1a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller/* niu.c: Neptune ethernet driver. 2a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * 3be0c007ac64f880a946995d6d1fc654acc81484dDavid S. Miller * Copyright (C) 2007, 2008 David S. Miller (davem@davemloft.net) 4a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 5a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 7f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches 8a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/module.h> 9a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/init.h> 10a6b7a407865aab9f849dd99a71072b7cd1175116Alexey Dobriyan#include <linux/interrupt.h> 11a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/pci.h> 12a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/dma-mapping.h> 13a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/netdevice.h> 14a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/ethtool.h> 15a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/etherdevice.h> 16a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/platform_device.h> 17a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/delay.h> 18a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/bitops.h> 19a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/mii.h> 2001789349ee52e4a3faf376f1485303d9723c4f1fJiri Pirko#include <linux/if.h> 21a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/if_ether.h> 22a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/if_vlan.h> 23a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/ip.h> 24a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/in.h> 25a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/ipv6.h> 26a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/log2.h> 27a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/jiffies.h> 28a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/crc32.h> 29ccffad25b5136958d4769ed6de5e87992dd9c65cJiri Pirko#include <linux/list.h> 305a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 31a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 32a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/io.h> 33a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include <linux/of_device.h> 34a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 35a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#include "niu.h" 36a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 37a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define DRV_MODULE_NAME "niu" 383cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller#define DRV_MODULE_VERSION "1.1" 393cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller#define DRV_MODULE_RELDATE "Apr 22, 2010" 40a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 41a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic char version[] __devinitdata = 42a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; 43a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 44a3138df9f20e726c517f8df7387b5d83f5df5566David S. MillerMODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); 45a3138df9f20e726c517f8df7387b5d83f5df5566David S. MillerMODULE_DESCRIPTION("NIU ethernet driver"); 46a3138df9f20e726c517f8df7387b5d83f5df5566David S. MillerMODULE_LICENSE("GPL"); 47a3138df9f20e726c517f8df7387b5d83f5df5566David S. MillerMODULE_VERSION(DRV_MODULE_VERSION); 48a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 49a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#ifndef readq 50a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 readq(void __iomem *reg) 51a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 52e23a59e1ca6d177a57a7791b3629db93ff1d9813David S. Miller return ((u64) readl(reg)) | (((u64) readl(reg + 4UL)) << 32); 53a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 54a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 55a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void writeq(u64 val, void __iomem *reg) 56a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 57a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller writel(val & 0xffffffff, reg); 58a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller writel(val >> 32, reg + 0x4UL); 59a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 60a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 61a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 62a3aa18842a5303fc28fcc4d57dbd16618bd830a0Alexey Dobriyanstatic DEFINE_PCI_DEVICE_TABLE(niu_pci_tbl) = { 63a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller {PCI_DEVICE(PCI_VENDOR_ID_SUN, 0xabcd)}, 64a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller {} 65a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 66a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 67a3138df9f20e726c517f8df7387b5d83f5df5566David S. MillerMODULE_DEVICE_TABLE(pci, niu_pci_tbl); 68a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 69a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define NIU_TX_TIMEOUT (5 * HZ) 70a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 71a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nr64(reg) readq(np->regs + (reg)) 72a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nw64(reg, val) writeq((val), np->regs + (reg)) 73a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 74a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nr64_mac(reg) readq(np->mac_regs + (reg)) 75a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nw64_mac(reg, val) writeq((val), np->mac_regs + (reg)) 76a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 77a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nr64_ipp(reg) readq(np->regs + np->ipp_off + (reg)) 78a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nw64_ipp(reg, val) writeq((val), np->regs + np->ipp_off + (reg)) 79a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 80a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nr64_pcs(reg) readq(np->regs + np->pcs_off + (reg)) 81a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nw64_pcs(reg, val) writeq((val), np->regs + np->pcs_off + (reg)) 82a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 83a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nr64_xpcs(reg) readq(np->regs + np->xpcs_off + (reg)) 84a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define nw64_xpcs(reg, val) writeq((val), np->regs + np->xpcs_off + (reg)) 85a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 86a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define NIU_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK) 87a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 88a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_debug; 89a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int debug = -1; 90a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millermodule_param(debug, int, 0); 91a3138df9f20e726c517f8df7387b5d83f5df5566David S. MillerMODULE_PARM_DESC(debug, "NIU debug level"); 92a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 93a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define niu_lock_parent(np, flags) \ 94a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->parent->lock, flags) 95a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define niu_unlock_parent(np, flags) \ 96a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->parent->lock, flags) 97a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 985fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic int serdes_init_10g_serdes(struct niu *np); 995fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 100a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __niu_wait_bits_clear_mac(struct niu *np, unsigned long reg, 101a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 bits, int limit, int delay) 102a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 103a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0) { 104a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_mac(reg); 105a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 106a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(val & bits)) 107a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 108a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(delay); 109a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 110a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0) 111a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 112a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 113a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 114a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 115a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __niu_set_and_wait_clear_mac(struct niu *np, unsigned long reg, 116a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 bits, int limit, int delay, 117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char *reg_name) 118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 121a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(reg, bits); 122a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = __niu_wait_bits_clear_mac(np, reg, bits, limit, delay); 123a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 124f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 125f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)bits, reg_name, 126f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)nr64_mac(reg)); 127a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 128a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 129a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 130a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define niu_set_and_wait_clear_mac(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 131a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 132a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __niu_set_and_wait_clear_mac(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 133a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}) 134a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 135a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __niu_wait_bits_clear_ipp(struct niu *np, unsigned long reg, 136a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 bits, int limit, int delay) 137a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 138a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0) { 139a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_ipp(reg); 140a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 141a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(val & bits)) 142a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 143a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(delay); 144a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 145a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0) 146a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 147a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 148a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 149a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 150a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __niu_set_and_wait_clear_ipp(struct niu *np, unsigned long reg, 151a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 bits, int limit, int delay, 152a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char *reg_name) 153a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 154a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 155a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 156a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 157a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_ipp(reg); 158a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= bits; 159a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(reg, val); 160a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 161a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = __niu_wait_bits_clear_ipp(np, reg, bits, limit, delay); 162a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 163f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 164f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)bits, reg_name, 165f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)nr64_ipp(reg)); 166a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 167a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 168a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 169a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define niu_set_and_wait_clear_ipp(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 170a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 171a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __niu_set_and_wait_clear_ipp(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 172a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}) 173a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 174a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __niu_wait_bits_clear(struct niu *np, unsigned long reg, 175a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 bits, int limit, int delay) 176a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 177a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0) { 178a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(reg); 179a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 180a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(val & bits)) 181a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 182a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(delay); 183a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 184a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0) 185a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 186a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 187a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 188a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 189a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define niu_wait_bits_clear(NP, REG, BITS, LIMIT, DELAY) \ 190a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 191a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __niu_wait_bits_clear(NP, REG, BITS, LIMIT, DELAY); \ 192a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}) 193a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 194a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __niu_set_and_wait_clear(struct niu *np, unsigned long reg, 195a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 bits, int limit, int delay, 196a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char *reg_name) 197a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 198a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 199a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 200a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(reg, bits); 201a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = __niu_wait_bits_clear(np, reg, bits, limit, delay); 202a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 203f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "bits (%llx) of register %s would not clear, val[%llx]\n", 204f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)bits, reg_name, 205f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)nr64(reg)); 206a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 207a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 208a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 209a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define niu_set_and_wait_clear(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \ 210a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller({ BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \ 211a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __niu_set_and_wait_clear(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \ 212a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}) 213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 214a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_ldg_rearm(struct niu *np, struct niu_ldg *lp, int on) 215a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = (u64) lp->timer; 217a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 218a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= LDG_IMGMT_ARM; 220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 221a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(LDG_IMGMT(lp->ldg_num), val); 222a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 223a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_ldn_irq_enable(struct niu *np, int ldn, int on) 225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long mask_reg, bits; 227a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 228a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldn < 0 || ldn > LDN_MAX) 230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldn < 64) { 233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask_reg = LD_IM0(ldn); 234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bits = LD_IM0_MASK; 235a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 236a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask_reg = LD_IM1(ldn - 64); 237a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bits = LD_IM1_MASK; 238a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 239a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(mask_reg); 241a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~bits; 243a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 244a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= bits; 245a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(mask_reg, val); 246a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 247a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 248a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 249a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 250a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_enable_ldn_in_ldg(struct niu *np, struct niu_ldg *lp, int on) 251a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 252a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 253a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 254a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 255a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i <= LDN_MAX; i++) { 256a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 257a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 258a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->ldg_map[i] != lp->ldg_num) 259a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller continue; 260a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 261a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_ldn_irq_enable(np, i, on); 262a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 263a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 264a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 265a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 266a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 267a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 268a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_enable_interrupts(struct niu *np, int on) 269a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 270a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 271a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 272a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_ldg; i++) { 273a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_ldg *lp = &np->ldg[i]; 274a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 275a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 276a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_enable_ldn_in_ldg(np, lp, on); 277a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 278a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 279a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 280a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_ldg; i++) 281a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ldg_rearm(np, &np->ldg[i], on); 282a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 283a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 284a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 285a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 286a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u32 phy_encode(u32 type, int port) 287a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 288807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return type << (port * 2); 289a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 290a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 291a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u32 phy_decode(u32 val, int port) 292a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 293a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return (val >> (port * 2)) & PORT_TYPE_MASK; 294a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 295a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 296a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int mdio_wait(struct niu *np) 297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 298a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit = 1000; 299a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 300a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 301a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit > 0) { 302a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(MIF_FRAME_OUTPUT); 303a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((val >> MIF_FRAME_OUTPUT_TA_SHIFT) & 0x1) 304a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return val & MIF_FRAME_OUTPUT_DATA; 305a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 306a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(10); 307a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 308a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 310a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 312a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int mdio_read(struct niu *np, int port, int dev, int reg) 313a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 314a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 315a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 316a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(MIF_FRAME_OUTPUT, MDIO_ADDR_OP(port, dev, reg)); 317a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_wait(np); 318a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 319a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 320a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 321a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(MIF_FRAME_OUTPUT, MDIO_READ_OP(port, dev)); 322a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return mdio_wait(np); 323a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 324a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 325a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int mdio_write(struct niu *np, int port, int dev, int reg, int data) 326a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 327a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 328a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 329a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(MIF_FRAME_OUTPUT, MDIO_ADDR_OP(port, dev, reg)); 330a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_wait(np); 331a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 332a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 333a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 334a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(MIF_FRAME_OUTPUT, MDIO_WRITE_OP(port, dev, data)); 335a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_wait(np); 336a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 337a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 338a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 339a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 340a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 341a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int mii_read(struct niu *np, int port, int reg) 343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 344a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(MIF_FRAME_OUTPUT, MII_READ_OP(port, reg)); 345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return mdio_wait(np); 346a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 347a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 348a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int mii_write(struct niu *np, int port, int reg, int data) 349a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 350a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 351a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 352a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(MIF_FRAME_OUTPUT, MII_WRITE_OP(port, reg, data)); 353a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_wait(np); 354a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 355a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 356a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 357a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 358a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 359a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 360a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int esr2_set_tx_cfg(struct niu *np, unsigned long channel, u32 val) 361a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 362a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 363a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 364a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 365a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR2_TI_PLL_TX_CFG_L(channel), 366a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val & 0xffff); 367a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 368a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 369a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR2_TI_PLL_TX_CFG_H(channel), 370a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val >> 16); 371a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 372a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 373a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 374a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int esr2_set_rx_cfg(struct niu *np, unsigned long channel, u32 val) 375a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 376a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 377a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 378a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 379a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR2_TI_PLL_RX_CFG_L(channel), 380a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val & 0xffff); 381a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 382a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 383a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR2_TI_PLL_RX_CFG_H(channel), 384a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val >> 16); 385a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 386a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 387a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 388a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller/* Mode is always 10G fiber. */ 389e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Beherastatic int serdes_init_niu_10g_fiber(struct niu *np) 390a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 391a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_link_config *lp = &np->link_config; 392a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 tx_cfg, rx_cfg; 393a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 394a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 395a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV); 396a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 397a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 398a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PLL_RX_CFG_EQ_LP_ADAPTIVE); 399a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 400a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->loopback_mode == LOOPBACK_PHY) { 401a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 402a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 403a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 404a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR2_TI_PLL_TEST_CFG_L, test_cfg); 405a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 406a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tx_cfg |= PLL_TX_CFG_ENTEST; 407a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rx_cfg |= PLL_RX_CFG_ENTEST; 408a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 409a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 410a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Initialize all 4 lanes of the SERDES. */ 411a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < 4; i++) { 412a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = esr2_set_tx_cfg(np, i, tx_cfg); 413a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 414a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 415a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 416a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 417a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < 4; i++) { 418a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = esr2_set_rx_cfg(np, i, rx_cfg); 419a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 420a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 421a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 422a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 423a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 424a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 425a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 426e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Beherastatic int serdes_init_niu_1g_serdes(struct niu *np) 427e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera{ 428e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera struct niu_link_config *lp = &np->link_config; 429e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera u16 pll_cfg, pll_sts; 430e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera int max_retry = 100; 43151e0f058c496ef2ca5362c16a53ce1ce454d0817Ingo Molnar u64 uninitialized_var(sig), mask, val; 432e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera u32 tx_cfg, rx_cfg; 433e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera unsigned long i; 434e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera int err; 435e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 436e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV | 437e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera PLL_TX_CFG_RATE_HALF); 438e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 439e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 440e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera PLL_RX_CFG_RATE_HALF); 441e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 442e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (np->port == 0) 443e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera rx_cfg |= PLL_RX_CFG_EQ_LP_ADAPTIVE; 444e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 445e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (lp->loopback_mode == LOOPBACK_PHY) { 446e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 447e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 448e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 449e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR2_TI_PLL_TEST_CFG_L, test_cfg); 450e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 451e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera tx_cfg |= PLL_TX_CFG_ENTEST; 452e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera rx_cfg |= PLL_RX_CFG_ENTEST; 453e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 454e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 455e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* Initialize PLL for 1G */ 456e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera pll_cfg = (PLL_CFG_ENPLL | PLL_CFG_MPY_8X); 457e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 458e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 459e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR2_TI_PLL_CFG_L, pll_cfg); 460e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (err) { 461f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_CFG_L failed\n", 462f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, __func__); 463e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return err; 464e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 465e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 466e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera pll_sts = PLL_CFG_ENPLL; 467e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 468e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 469e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR2_TI_PLL_STS_L, pll_sts); 470e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (err) { 471f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_STS_L failed\n", 472f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, __func__); 473e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return err; 474e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 475e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 476e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera udelay(200); 477e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 478e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* Initialize all 4 lanes of the SERDES. */ 479e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera for (i = 0; i < 4; i++) { 480e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = esr2_set_tx_cfg(np, i, tx_cfg); 481e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (err) 482e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return err; 483e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 484e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 485e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera for (i = 0; i < 4; i++) { 486e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = esr2_set_rx_cfg(np, i, rx_cfg); 487e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (err) 488e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return err; 489e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 490e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 491e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera switch (np->port) { 492e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera case 0: 493e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera val = (ESR_INT_SRDY0_P0 | ESR_INT_DET0_P0); 494e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera mask = val; 495e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 496e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 497e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera case 1: 498e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera val = (ESR_INT_SRDY0_P1 | ESR_INT_DET0_P1); 499e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera mask = val; 500e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 501e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 502e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera default: 503e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return -EINVAL; 504e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 505e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 506e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera while (max_retry--) { 507e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera sig = nr64(ESR_INT_SIGNALS); 508e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if ((sig & mask) == val) 509e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 510e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 511e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera mdelay(500); 512e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 513e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 514e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if ((sig & mask) != val) { 515f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 516f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, (int)(sig & mask), (int)val); 517e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return -ENODEV; 518e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 519e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 520e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return 0; 521e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera} 522e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 523e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Beherastatic int serdes_init_niu_10g_serdes(struct niu *np) 524e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera{ 525e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera struct niu_link_config *lp = &np->link_config; 526e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera u32 tx_cfg, rx_cfg, pll_cfg, pll_sts; 527e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera int max_retry = 100; 52851e0f058c496ef2ca5362c16a53ce1ce454d0817Ingo Molnar u64 uninitialized_var(sig), mask, val; 529e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera unsigned long i; 530e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera int err; 531e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 532e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV); 533e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT | 534e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH | 535e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera PLL_RX_CFG_EQ_LP_ADAPTIVE); 536e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 537e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (lp->loopback_mode == LOOPBACK_PHY) { 538e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS; 539e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 540e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 541e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR2_TI_PLL_TEST_CFG_L, test_cfg); 542e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 543e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera tx_cfg |= PLL_TX_CFG_ENTEST; 544e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera rx_cfg |= PLL_RX_CFG_ENTEST; 545e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 546e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 547e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* Initialize PLL for 10G */ 548e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera pll_cfg = (PLL_CFG_ENPLL | PLL_CFG_MPY_10X); 549e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 550e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 551e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR2_TI_PLL_CFG_L, pll_cfg & 0xffff); 552e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (err) { 553f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_CFG_L failed\n", 554f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, __func__); 555e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return err; 556e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 557e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 558e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera pll_sts = PLL_CFG_ENPLL; 559e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 560e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR, 561e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR2_TI_PLL_STS_L, pll_sts & 0xffff); 562e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (err) { 563f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "NIU Port %d %s() mdio write to ESR2_TI_PLL_STS_L failed\n", 564f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, __func__); 565e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return err; 566e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 567e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 568e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera udelay(200); 569e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 570e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* Initialize all 4 lanes of the SERDES. */ 571e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera for (i = 0; i < 4; i++) { 572e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = esr2_set_tx_cfg(np, i, tx_cfg); 573e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (err) 574e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return err; 575e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 576e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 577e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera for (i = 0; i < 4; i++) { 578e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = esr2_set_rx_cfg(np, i, rx_cfg); 579e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (err) 580e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return err; 581e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 582e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 583e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* check if serdes is ready */ 584e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 585e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera switch (np->port) { 586e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera case 0: 587e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera mask = ESR_INT_SIGNALS_P0_BITS; 588e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera val = (ESR_INT_SRDY0_P0 | 589e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_DET0_P0 | 590e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XSRDY_P0 | 591e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XDP_P0_CH3 | 592e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XDP_P0_CH2 | 593e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XDP_P0_CH1 | 594e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XDP_P0_CH0); 595e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 596e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 597e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera case 1: 598e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera mask = ESR_INT_SIGNALS_P1_BITS; 599e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera val = (ESR_INT_SRDY0_P1 | 600e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_DET0_P1 | 601e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XSRDY_P1 | 602e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XDP_P1_CH3 | 603e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XDP_P1_CH2 | 604e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XDP_P1_CH1 | 605e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera ESR_INT_XDP_P1_CH0); 606e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 607e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 608e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera default: 609e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return -EINVAL; 610e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 611e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 612e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera while (max_retry--) { 613e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera sig = nr64(ESR_INT_SIGNALS); 614e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if ((sig & mask) == val) 615e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 616e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 617e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera mdelay(500); 618e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 619e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 620e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if ((sig & mask) != val) { 621f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("NIU Port %u signal bits [%08x] are not [%08x] for 10G...trying 1G\n", 622f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, (int)(sig & mask), (int)val); 623e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 624e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* 10G failed, try initializing at 1G */ 625e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera err = serdes_init_niu_1g_serdes(np); 626e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (!err) { 627e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera np->flags &= ~NIU_FLAGS_10G; 628e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera np->mac_xcvr = MAC_XCVR_PCS; 629e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } else { 630f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Port %u 10G/1G SERDES Link Failed\n", 631f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port); 632e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return -ENODEV; 633e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 634e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 635e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera return 0; 636e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera} 637e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 638a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int esr_read_rxtx_ctrl(struct niu *np, unsigned long chan, u32 *val) 639a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 640a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 641a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 642a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, ESR_RXTX_CTRL_L(chan)); 643a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err >= 0) { 644a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *val = (err & 0xffff); 645a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 646a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_CTRL_H(chan)); 647a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err >= 0) 648a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *val |= ((err & 0xffff) << 16); 649a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 650a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 651a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 652a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 653a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 654a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int esr_read_glue0(struct niu *np, unsigned long chan, u32 *val) 655a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 656a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 657a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 658a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 659a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_GLUE_CTRL0_L(chan)); 660a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err >= 0) { 661a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *val = (err & 0xffff); 662a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 663a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_GLUE_CTRL0_H(chan)); 664a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err >= 0) { 665a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *val |= ((err & 0xffff) << 16); 666a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 667a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 668a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 669a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 670a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 671a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 672a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int esr_read_reset(struct niu *np, u32 *val) 673a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 674a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 675a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 676a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 677a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_RESET_CTRL_L); 678a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err >= 0) { 679a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *val = (err & 0xffff); 680a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, 681a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_RESET_CTRL_H); 682a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err >= 0) { 683a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *val |= ((err & 0xffff) << 16); 684a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 685a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 686a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 687a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 688a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 689a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 690a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int esr_write_rxtx_ctrl(struct niu *np, unsigned long chan, u32 val) 691a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 692a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 693a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_CTRL_L(chan), val & 0xffff); 696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_CTRL_H(chan), (val >> 16)); 699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 700a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 701a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 702a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int esr_write_glue0(struct niu *np, unsigned long chan, u32 val) 703a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 704a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 705a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 706a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 707a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_GLUE_CTRL0_L(chan), val & 0xffff); 708a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 709a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 710a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_GLUE_CTRL0_H(chan), (val >> 16)); 711a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 712a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 713a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int esr_reset(struct niu *np) 715a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 716f166400bd4c92df72d997e0da8713fae90d56e57Ingo Molnar u32 uninitialized_var(reset); 717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 719a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_RESET_CTRL_L, 0x0000); 721a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 722a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 724a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_RESET_CTRL_H, 0xffff); 725a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 726a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 727a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(200); 728a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 729a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_RESET_CTRL_L, 0xffff); 731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(200); 734a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 735a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR, 736a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_RXTX_RESET_CTRL_H, 0x0000); 737a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(200); 740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 741a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = esr_read_reset(np, &reset); 742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 743a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (reset != 0) { 745f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Port %u ESR_RESET did not clear [%08x]\n", 746f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, reset); 747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 749a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int serdes_init_10g(struct niu *np) 754a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_link_config *lp = &np->link_config; 756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long ctrl_reg, test_cfg_reg, i; 757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 ctrl_val, test_cfg_val, sig, mask, val; 758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (np->port) { 761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 0: 762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ctrl_reg = ENET_SERDES_0_CTRL_CFG; 763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller test_cfg_reg = ENET_SERDES_0_TEST_CFG; 764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 1: 766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ctrl_reg = ENET_SERDES_1_CTRL_CFG; 767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller test_cfg_reg = ENET_SERDES_1_TEST_CFG; 768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_SERDES_CTRL_SDET_1 | 775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_SERDES_CTRL_SDET_2 | 776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_SERDES_CTRL_SDET_3 | 777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 782a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 785a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller test_cfg_val = 0; 786a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->loopback_mode == LOOPBACK_PHY) { 788a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 789a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_SERDES_TEST_MD_0_SHIFT) | 790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ENET_TEST_MD_PAD_LOOPBACK << 791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_SERDES_TEST_MD_1_SHIFT) | 792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ENET_TEST_MD_PAD_LOOPBACK << 793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_SERDES_TEST_MD_2_SHIFT) | 794a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ENET_TEST_MD_PAD_LOOPBACK << 795a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_SERDES_TEST_MD_3_SHIFT)); 796a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 797a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ctrl_reg, ctrl_val); 799a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(test_cfg_reg, test_cfg_val); 800a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 801a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Initialize all 4 lanes of the SERDES. */ 802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < 4; i++) { 803a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 rxtx_ctrl, glue0; 804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 805a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 807a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = esr_read_glue0(np, i, &glue0); 809a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 811a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 813a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 815a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 816a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 817a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_GLUE_CTRL0_THCNT | 818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_GLUE_CTRL0_BLTIME); 819a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 820a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 821a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 822a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (BLTIME_300_CYCLES << 823a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_GLUE_CTRL0_BLTIME_SHIFT)); 824a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 825a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 826a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 827a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 828a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = esr_write_glue0(np, i, glue0); 829a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 830a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 831a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 832a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 833a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = esr_reset(np); 834a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 835a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 836a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sig = nr64(ESR_INT_SIGNALS); 838a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (np->port) { 839a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 0: 840a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask = ESR_INT_SIGNALS_P0_BITS; 841a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (ESR_INT_SRDY0_P0 | 842a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_DET0_P0 | 843a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XSRDY_P0 | 844a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XDP_P0_CH3 | 845a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XDP_P0_CH2 | 846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XDP_P0_CH1 | 847a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XDP_P0_CH0); 848a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 849a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 850a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 1: 851a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask = ESR_INT_SIGNALS_P1_BITS; 852a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (ESR_INT_SRDY0_P1 | 853a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_DET0_P1 | 854a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XSRDY_P1 | 855a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XDP_P1_CH3 | 856a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XDP_P1_CH2 | 857a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XDP_P1_CH1 | 858a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESR_INT_XDP_P1_CH0); 859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 860a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 862a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 864a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((sig & mask) != val) { 866a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 867a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 868a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return 0; 869a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 870f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 871f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, (int)(sig & mask), (int)val); 872a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 874a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (np->flags & NIU_FLAGS_HOTPLUG_PHY) 875a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->flags |= NIU_FLAGS_HOTPLUG_PHY_PRESENT; 876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 877a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 878a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 879a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int serdes_init_1g(struct niu *np) 880a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ENET_SERDES_1_PLL_CFG); 884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~ENET_SERDES_PLL_FBDIV2; 885a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (np->port) { 886a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 0: 887a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= ENET_SERDES_PLL_HRATE0; 888a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 889a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 1: 890a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= ENET_SERDES_PLL_HRATE1; 891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 892a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 2: 893a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= ENET_SERDES_PLL_HRATE2; 894a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 3: 896a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= ENET_SERDES_PLL_HRATE3; 897a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 898a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 900a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 901a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ENET_SERDES_1_PLL_CFG, val); 902a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9065fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic int serdes_init_1g_serdes(struct niu *np) 9075fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku{ 9085fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku struct niu_link_config *lp = &np->link_config; 9095fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku unsigned long ctrl_reg, test_cfg_reg, pll_cfg, i; 9105fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u64 ctrl_val, test_cfg_val, sig, mask, val; 9115fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int err; 9125fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u64 reset_val, val_rd; 9135fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9145fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = ENET_SERDES_PLL_HRATE0 | ENET_SERDES_PLL_HRATE1 | 9155fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_PLL_HRATE2 | ENET_SERDES_PLL_HRATE3 | 9165fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_PLL_FBDIV0; 9175fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku switch (np->port) { 9185fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0: 9195fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku reset_val = ENET_SERDES_RESET_0; 9205fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ctrl_reg = ENET_SERDES_0_CTRL_CFG; 9215fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku test_cfg_reg = ENET_SERDES_0_TEST_CFG; 9225fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku pll_cfg = ENET_SERDES_0_PLL_CFG; 9235fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 9245fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 1: 9255fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku reset_val = ENET_SERDES_RESET_1; 9265fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ctrl_reg = ENET_SERDES_1_CTRL_CFG; 9275fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku test_cfg_reg = ENET_SERDES_1_TEST_CFG; 9285fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku pll_cfg = ENET_SERDES_1_PLL_CFG; 9295fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 9305fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9315fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku default: 9325fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return -EINVAL; 9335fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 9345fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 9355fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_CTRL_SDET_1 | 9365fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_CTRL_SDET_2 | 9375fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_CTRL_SDET_3 | 9385fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 9395fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 9405fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 9415fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 9425fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 9435fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 9445fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 9455fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 9465fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku test_cfg_val = 0; 9475fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9485fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (lp->loopback_mode == LOOPBACK_PHY) { 9495fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 9505fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_TEST_MD_0_SHIFT) | 9515fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (ENET_TEST_MD_PAD_LOOPBACK << 9525fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_TEST_MD_1_SHIFT) | 9535fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (ENET_TEST_MD_PAD_LOOPBACK << 9545fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_TEST_MD_2_SHIFT) | 9555fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (ENET_TEST_MD_PAD_LOOPBACK << 9565fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_TEST_MD_3_SHIFT)); 9575fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 9585fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9595fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(ENET_SERDES_RESET, reset_val); 9605fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku mdelay(20); 9615fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val_rd = nr64(ENET_SERDES_RESET); 9625fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val_rd &= ~reset_val; 9635fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(pll_cfg, val); 9645fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(ctrl_reg, ctrl_val); 9655fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(test_cfg_reg, test_cfg_val); 9665fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(ENET_SERDES_RESET, val_rd); 9675fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku mdelay(2000); 9685fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9695fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku /* Initialize all 4 lanes of the SERDES. */ 9705fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku for (i = 0; i < 4; i++) { 9715fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u32 rxtx_ctrl, glue0; 9725fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9735fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 9745fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 9755fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 9765fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = esr_read_glue0(np, i, &glue0); 9775fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 9785fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 9795fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9805fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 9815fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 9825fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 9835fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9845fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 9855fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_GLUE_CTRL0_THCNT | 9865fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_GLUE_CTRL0_BLTIME); 9875fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 9885fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 9895fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 9905fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (BLTIME_300_CYCLES << 9915fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_GLUE_CTRL0_BLTIME_SHIFT)); 9925fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 9935fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 9945fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 9955fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 9965fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = esr_write_glue0(np, i, glue0); 9975fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 9985fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 9995fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 10005fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10015fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10025fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku sig = nr64(ESR_INT_SIGNALS); 10035fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku switch (np->port) { 10045fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0: 10055fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (ESR_INT_SRDY0_P0 | ESR_INT_DET0_P0); 10065fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku mask = val; 10075fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 10085fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10095fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 1: 10105fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (ESR_INT_SRDY0_P1 | ESR_INT_DET0_P1); 10115fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku mask = val; 10125fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 10135fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10145fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku default: 10155fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return -EINVAL; 10165fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 10175fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10185fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if ((sig & mask) != val) { 1019f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Port %u signal bits [%08x] are not [%08x]\n", 1020f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, (int)(sig & mask), (int)val); 10215fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return -ENODEV; 10225fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 10235fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10245fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return 0; 10255fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku} 10265fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10275fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic int link_status_1g_serdes(struct niu *np, int *link_up_p) 10285fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku{ 10295fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku struct niu_link_config *lp = &np->link_config; 10305fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int link_up; 10315fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u64 val; 10325fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u16 current_speed; 10335fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku unsigned long flags; 10345fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u8 current_duplex; 10355fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10365fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku link_up = 0; 10375fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_speed = SPEED_INVALID; 10385fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_duplex = DUPLEX_INVALID; 10395fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10405fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku spin_lock_irqsave(&np->lock, flags); 10415fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10425fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = nr64_pcs(PCS_MII_STAT); 10435fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10445fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (val & PCS_MII_STAT_LINK_STATUS) { 10455fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku link_up = 1; 10465fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_speed = SPEED_1000; 10475fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_duplex = DUPLEX_FULL; 10485fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 10495fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10505fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku lp->active_speed = current_speed; 10515fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku lp->active_duplex = current_duplex; 10525fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku spin_unlock_irqrestore(&np->lock, flags); 10535fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10545fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku *link_up_p = link_up; 10555fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return 0; 10565fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku} 10575fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10585fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic int link_status_10g_serdes(struct niu *np, int *link_up_p) 10595fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku{ 10605fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku unsigned long flags; 10615fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku struct niu_link_config *lp = &np->link_config; 10625fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int link_up = 0; 10635fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int link_ok = 1; 10645fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u64 val, val2; 10655fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u16 current_speed; 10665fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u8 current_duplex; 10675fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10685fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (!(np->flags & NIU_FLAGS_10G)) 10695fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return link_status_1g_serdes(np, link_up_p); 10705fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10715fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_speed = SPEED_INVALID; 10725fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_duplex = DUPLEX_INVALID; 10735fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku spin_lock_irqsave(&np->lock, flags); 10745fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10755fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = nr64_xpcs(XPCS_STATUS(0)); 10765fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val2 = nr64_mac(XMAC_INTER2); 10775fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (val2 & 0x01000000) 10785fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku link_ok = 0; 10795fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 10805fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if ((val & 0x1000ULL) && link_ok) { 10815fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku link_up = 1; 10825fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_speed = SPEED_10000; 10835fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_duplex = DUPLEX_FULL; 10845fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 10855fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku lp->active_speed = current_speed; 10865fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku lp->active_duplex = current_duplex; 10875fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku spin_unlock_irqrestore(&np->lock, flags); 10885fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku *link_up_p = link_up; 10895fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return 0; 10905fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku} 10915fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 109238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranovstatic int link_status_mii(struct niu *np, int *link_up_p) 109338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov{ 109438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov struct niu_link_config *lp = &np->link_config; 109538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov int err; 109638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov int bmsr, advert, ctrl1000, stat1000, lpa, bmcr, estatus; 109738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov int supported, advertising, active_speed, active_duplex; 109838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 109938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_read(np, np->phy_addr, MII_BMCR); 110038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (unlikely(err < 0)) 110138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 110238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov bmcr = err; 110338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 110438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_read(np, np->phy_addr, MII_BMSR); 110538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (unlikely(err < 0)) 110638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 110738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov bmsr = err; 110838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 110938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_read(np, np->phy_addr, MII_ADVERTISE); 111038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (unlikely(err < 0)) 111138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 111238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov advert = err; 111338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 111438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_read(np, np->phy_addr, MII_LPA); 111538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (unlikely(err < 0)) 111638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 111738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lpa = err; 111838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 111938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (likely(bmsr & BMSR_ESTATEN)) { 112038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_read(np, np->phy_addr, MII_ESTATUS); 112138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (unlikely(err < 0)) 112238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 112338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov estatus = err; 112438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 112538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_read(np, np->phy_addr, MII_CTRL1000); 112638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (unlikely(err < 0)) 112738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 112838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov ctrl1000 = err; 112938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 113038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_read(np, np->phy_addr, MII_STAT1000); 113138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (unlikely(err < 0)) 113238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 113338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov stat1000 = err; 113438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } else 113538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov estatus = ctrl1000 = stat1000 = 0; 113638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 113738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov supported = 0; 113838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (bmsr & BMSR_ANEGCAPABLE) 113938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov supported |= SUPPORTED_Autoneg; 114038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (bmsr & BMSR_10HALF) 114138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov supported |= SUPPORTED_10baseT_Half; 114238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (bmsr & BMSR_10FULL) 114338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov supported |= SUPPORTED_10baseT_Full; 114438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (bmsr & BMSR_100HALF) 114538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov supported |= SUPPORTED_100baseT_Half; 114638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (bmsr & BMSR_100FULL) 114738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov supported |= SUPPORTED_100baseT_Full; 114838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (estatus & ESTATUS_1000_THALF) 114938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov supported |= SUPPORTED_1000baseT_Half; 115038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (estatus & ESTATUS_1000_TFULL) 115138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov supported |= SUPPORTED_1000baseT_Full; 115238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->supported = supported; 115338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 115437f07023d30708b5da091fe6d6be9b60783c6d82Matt Carlson advertising = mii_adv_to_ethtool_adv_t(advert); 115537f07023d30708b5da091fe6d6be9b60783c6d82Matt Carlson advertising |= mii_ctrl1000_to_ethtool_adv_t(ctrl1000); 115638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 115738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (bmcr & BMCR_ANENABLE) { 115838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov int neg, neg1000; 115938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 116038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->active_autoneg = 1; 116138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov advertising |= ADVERTISED_Autoneg; 116238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 116338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov neg = advert & lpa; 116438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov neg1000 = (ctrl1000 << 2) & stat1000; 116538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 116638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (neg1000 & (LPA_1000FULL | LPA_1000HALF)) 116738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_speed = SPEED_1000; 116838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else if (neg & LPA_100) 116938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_speed = SPEED_100; 117038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else if (neg & (LPA_10HALF | LPA_10FULL)) 117138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_speed = SPEED_10; 117238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else 117338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_speed = SPEED_INVALID; 117438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 117538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((neg1000 & LPA_1000FULL) || (neg & LPA_DUPLEX)) 117638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_duplex = DUPLEX_FULL; 117738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else if (active_speed != SPEED_INVALID) 117838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_duplex = DUPLEX_HALF; 117938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else 118038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_duplex = DUPLEX_INVALID; 118138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } else { 118238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->active_autoneg = 0; 118338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 118438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((bmcr & BMCR_SPEED1000) && !(bmcr & BMCR_SPEED100)) 118538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_speed = SPEED_1000; 118638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else if (bmcr & BMCR_SPEED100) 118738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_speed = SPEED_100; 118838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else 118938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_speed = SPEED_10; 119038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 119138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (bmcr & BMCR_FULLDPLX) 119238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_duplex = DUPLEX_FULL; 119338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else 119438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov active_duplex = DUPLEX_HALF; 119538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } 119638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 119738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->active_advertising = advertising; 119838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->active_speed = active_speed; 119938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->active_duplex = active_duplex; 120038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov *link_up_p = !!(bmsr & BMSR_LSTATUS); 120138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 120238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return 0; 120338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov} 120438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 12055fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic int link_status_1g_rgmii(struct niu *np, int *link_up_p) 12065fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku{ 12075fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku struct niu_link_config *lp = &np->link_config; 12085fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u16 current_speed, bmsr; 12095fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku unsigned long flags; 12105fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u8 current_duplex; 12115fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int err, link_up; 12125fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12135fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku link_up = 0; 12145fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_speed = SPEED_INVALID; 12155fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_duplex = DUPLEX_INVALID; 12165fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12175fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku spin_lock_irqsave(&np->lock, flags); 12185fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12195fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = -EINVAL; 12205fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12215fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_read(np, np->phy_addr, MII_BMSR); 12225fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err < 0) 12235fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku goto out; 12245fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12255fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku bmsr = err; 12265fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (bmsr & BMSR_LSTATUS) { 1227f344c25dbab1a392ef7a7afc8ca061b3b7285423David S. Miller u16 adv, lpa; 12285fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12295fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_read(np, np->phy_addr, MII_ADVERTISE); 12305fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err < 0) 12315fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku goto out; 12325fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku adv = err; 12335fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12345fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_read(np, np->phy_addr, MII_LPA); 12355fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err < 0) 12365fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku goto out; 12375fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku lpa = err; 12385fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12395fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_read(np, np->phy_addr, MII_ESTATUS); 12405fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err < 0) 12415fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku goto out; 12425fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku link_up = 1; 12435fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_speed = SPEED_1000; 12445fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku current_duplex = DUPLEX_FULL; 12455fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12465fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 12475fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku lp->active_speed = current_speed; 12485fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku lp->active_duplex = current_duplex; 12495fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = 0; 12505fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12515fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workuout: 12525fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku spin_unlock_irqrestore(&np->lock, flags); 12535fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 12545fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku *link_up_p = link_up; 12555fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 12565fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku} 12575fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 125838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranovstatic int link_status_1g(struct niu *np, int *link_up_p) 125938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov{ 126038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov struct niu_link_config *lp = &np->link_config; 126138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov unsigned long flags; 126238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov int err; 126338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 126438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov spin_lock_irqsave(&np->lock, flags); 126538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 126638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = link_status_mii(np, link_up_p); 126738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->supported |= SUPPORTED_TP; 126838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->active_advertising |= ADVERTISED_TP; 126938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 127038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov spin_unlock_irqrestore(&np->lock, flags); 127138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 127238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov} 127338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 1274a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int bcm8704_reset(struct niu *np) 1275a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1276a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, limit; 1277a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1278a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, 1279a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 12809c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (err < 0 || err == 0xffff) 1281a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1282a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err |= BMCR_RESET; 1283a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 1284a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MII_BMCR, err); 1285a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1286a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1287a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1288a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 1000; 1289a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0) { 1290a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, 1291a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 1292a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1293a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1294a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(err & BMCR_RESET)) 1295a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 1296a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0) { 1298f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Port %u PHY will not reset (bmcr=%04x)\n", 1299f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, (err & 0xffff)); 1300a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 1301a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1302a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 1303a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1304a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1305a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller/* When written, certain PHY registers need to be read back twice 1306a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * in order for the bits to settle properly. 1307a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 1308a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int bcm8704_user_dev3_readback(struct niu *np, int reg) 1309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1310a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, reg); 1311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1312a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1313a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, reg); 1314a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1315a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1316a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 1317a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1318a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1319a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic int bcm8706_init_user_dev3(struct niu *np) 1320a5d6ab56daa439d681aab29955498486e452224dMatheos Worku{ 1321a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int err; 1322a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1323a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1324a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1325a5d6ab56daa439d681aab29955498486e452224dMatheos Worku BCM8704_USER_OPT_DIGITAL_CTRL); 1326a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err < 0) 1327a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1328a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err &= ~USER_ODIG_CTRL_GPIOS; 1329a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err |= (0x3 << USER_ODIG_CTRL_GPIOS_SHIFT); 1330a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err |= USER_ODIG_CTRL_RESV2; 1331a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = mdio_write(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1332a5d6ab56daa439d681aab29955498486e452224dMatheos Worku BCM8704_USER_OPT_DIGITAL_CTRL, err); 1333a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1334a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1335a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1336a5d6ab56daa439d681aab29955498486e452224dMatheos Worku mdelay(1000); 1337a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1338a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return 0; 1339a5d6ab56daa439d681aab29955498486e452224dMatheos Worku} 1340a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1341a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int bcm8704_init_user_dev3(struct niu *np) 1342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 1344a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->phy_addr, 1346a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_USER_DEV3_ADDR, BCM8704_USER_CONTROL, 1347a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (USER_CONTROL_OPTXRST_LVL | 1348a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller USER_CONTROL_OPBIASFLT_LVL | 1349a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller USER_CONTROL_OBTMPFLT_LVL | 1350a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller USER_CONTROL_OPPRFLT_LVL | 1351a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller USER_CONTROL_OPTXFLT_LVL | 1352a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller USER_CONTROL_OPRXLOS_LVL | 1353a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller USER_CONTROL_OPRXFLT_LVL | 1354a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller USER_CONTROL_OPTXON_LVL | 1355a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x3f << USER_CONTROL_RES1_SHIFT))); 1356a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1357a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1358a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1359a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->phy_addr, 1360a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_USER_DEV3_ADDR, BCM8704_USER_PMD_TX_CONTROL, 1361a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (USER_PMD_TX_CTL_XFP_CLKEN | 1362a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (1 << USER_PMD_TX_CTL_TX_DAC_TXD_SH) | 1363a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (2 << USER_PMD_TX_CTL_TX_DAC_TXCK_SH) | 1364a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller USER_PMD_TX_CTL_TSCK_LPWREN)); 1365a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1366a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1367a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1368a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = bcm8704_user_dev3_readback(np, BCM8704_USER_CONTROL); 1369a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1370a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1371a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = bcm8704_user_dev3_readback(np, BCM8704_USER_PMD_TX_CONTROL); 1372a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1373a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1374a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1375a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1376a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_USER_OPT_DIGITAL_CTRL); 1377a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1378a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1379a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err &= ~USER_ODIG_CTRL_GPIOS; 1380a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err |= (0x3 << USER_ODIG_CTRL_GPIOS_SHIFT); 1381a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_write(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1382a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_USER_OPT_DIGITAL_CTRL, err); 1383a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1384a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1385a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1386a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mdelay(1000); 1387a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1388a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 1389a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1390a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1391b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindnerstatic int mrvl88x2011_act_led(struct niu *np, int val) 1392b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner{ 1393b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner int err; 1394b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1395b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1396b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_LED_8_TO_11_CTL); 1397b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1398b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1399b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1400b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err &= ~MRVL88X2011_LED(MRVL88X2011_LED_ACT,MRVL88X2011_LED_CTL_MASK); 1401b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err |= MRVL88X2011_LED(MRVL88X2011_LED_ACT,val); 1402b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1403b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1404b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_LED_8_TO_11_CTL, err); 1405b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner} 1406b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1407b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindnerstatic int mrvl88x2011_led_blink_rate(struct niu *np, int rate) 1408b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner{ 1409b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner int err; 1410b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1411b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1412b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_LED_BLINK_CTL); 1413b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err >= 0) { 1414b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err &= ~MRVL88X2011_LED_BLKRATE_MASK; 1415b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err |= (rate << 4); 1416b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1417b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV2_ADDR, 1418b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_LED_BLINK_CTL, err); 1419b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner } 1420b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1421b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1422b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner} 1423b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1424b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindnerstatic int xcvr_init_10g_mrvl88x2011(struct niu *np) 1425b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner{ 1426b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner int err; 1427b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1428b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* Set LED functions */ 1429b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mrvl88x2011_led_blink_rate(np, MRVL88X2011_LED_BLKRATE_134MS); 1430b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err) 1431b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1432b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1433b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* led activity */ 1434b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mrvl88x2011_act_led(np, MRVL88X2011_LED_CTL_OFF); 1435b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err) 1436b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1437b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1438b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1439b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_GENERAL_CTL); 1440b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1441b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1442b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1443b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err |= MRVL88X2011_ENA_XFPREFCLK; 1444b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1445b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1446b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_GENERAL_CTL, err); 1447b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1448b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1449b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1450b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1451b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_PMA_PMD_CTL_1); 1452b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1453b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1454b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1455b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (np->link_config.loopback_mode == LOOPBACK_MAC) 1456b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err |= MRVL88X2011_LOOPBACK; 1457b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner else 1458b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err &= ~MRVL88X2011_LOOPBACK; 1459b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1460b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1461b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_PMA_PMD_CTL_1, err); 1462b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1463b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1464b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1465b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* Enable PMD */ 1466b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return mdio_write(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1467b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_10G_PMD_TX_DIS, MRVL88X2011_ENA_PMDTX); 1468b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner} 1469b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1470a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1471a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic int xcvr_diag_bcm870x(struct niu *np) 1472a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1473a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 analog_stat0, tx_alarm_status; 1474a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int err = 0; 1475a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1476a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#if 1 1477a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 1478a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MII_STAT1000); 1479a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1480a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1481f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("Port %u PMA_PMD(MII_STAT1000) [%04x]\n", np->port, err); 1482a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1483a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 0x20); 1484a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1485a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1486f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("Port %u USER_DEV3(0x20) [%04x]\n", np->port, err); 1487a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1488a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 1489a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MII_NWAYTEST); 1490a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1491a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1492f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("Port %u PHYXS(MII_NWAYTEST) [%04x]\n", np->port, err); 1493a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 1494a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1495a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* XXX dig this out it might not be so useful XXX */ 1496a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1497a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_USER_ANALOG_STATUS0); 1498a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1499a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1500a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1501a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_USER_ANALOG_STATUS0); 1502a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1503a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1504a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller analog_stat0 = err; 1505a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1506a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1507a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_USER_TX_ALARM_STATUS); 1508a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1509a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1510a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 1511a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_USER_TX_ALARM_STATUS); 1512a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1513a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1514a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tx_alarm_status = err; 1515a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1516a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (analog_stat0 != 0x03fc) { 1517a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((analog_stat0 == 0x43bc) && (tx_alarm_status != 0)) { 1518f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("Port %u cable not connected or bad cable\n", 1519f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port); 1520a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (analog_stat0 == 0x639c) { 1521f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("Port %u optical module is bad or missing\n", 1522f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port); 1523a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1524a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1525a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1526a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 1527a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1528a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1529a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic int xcvr_10g_set_lb_bcm870x(struct niu *np) 1530a5d6ab56daa439d681aab29955498486e452224dMatheos Worku{ 1531a5d6ab56daa439d681aab29955498486e452224dMatheos Worku struct niu_link_config *lp = &np->link_config; 1532a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int err; 1533a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1534a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 1535a5d6ab56daa439d681aab29955498486e452224dMatheos Worku MII_BMCR); 1536a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err < 0) 1537a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1538a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1539a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err &= ~BMCR_LOOPBACK; 1540a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1541a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (lp->loopback_mode == LOOPBACK_MAC) 1542a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err |= BMCR_LOOPBACK; 1543a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1544a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = mdio_write(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 1545a5d6ab56daa439d681aab29955498486e452224dMatheos Worku MII_BMCR, err); 1546a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1547a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1548a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1549a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return 0; 1550a5d6ab56daa439d681aab29955498486e452224dMatheos Worku} 1551a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1552a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic int xcvr_init_10g_bcm8706(struct niu *np) 1553a5d6ab56daa439d681aab29955498486e452224dMatheos Worku{ 1554a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int err = 0; 1555a5d6ab56daa439d681aab29955498486e452224dMatheos Worku u64 val; 1556a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1557a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if ((np->flags & NIU_FLAGS_HOTPLUG_PHY) && 1558a5d6ab56daa439d681aab29955498486e452224dMatheos Worku (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) == 0) 1559a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1560a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1561a5d6ab56daa439d681aab29955498486e452224dMatheos Worku val = nr64_mac(XMAC_CONFIG); 1562a5d6ab56daa439d681aab29955498486e452224dMatheos Worku val &= ~XMAC_CONFIG_LED_POLARITY; 1563a5d6ab56daa439d681aab29955498486e452224dMatheos Worku val |= XMAC_CONFIG_FORCE_LED_ON; 1564a5d6ab56daa439d681aab29955498486e452224dMatheos Worku nw64_mac(XMAC_CONFIG, val); 1565a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1566a5d6ab56daa439d681aab29955498486e452224dMatheos Worku val = nr64(MIF_CONFIG); 1567a5d6ab56daa439d681aab29955498486e452224dMatheos Worku val |= MIF_CONFIG_INDIRECT_MODE; 1568a5d6ab56daa439d681aab29955498486e452224dMatheos Worku nw64(MIF_CONFIG, val); 1569a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1570a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = bcm8704_reset(np); 1571a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1572a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1573a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1574a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = xcvr_10g_set_lb_bcm870x(np); 1575a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1576a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1577a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1578a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = bcm8706_init_user_dev3(np); 1579a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1580a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1581a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1582a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = xcvr_diag_bcm870x(np); 1583a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1584a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1585a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1586a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return 0; 1587a5d6ab56daa439d681aab29955498486e452224dMatheos Worku} 1588a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1589a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic int xcvr_init_10g_bcm8704(struct niu *np) 1590a5d6ab56daa439d681aab29955498486e452224dMatheos Worku{ 1591a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int err; 1592a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1593a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = bcm8704_reset(np); 1594a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1595a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1596a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1597a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = bcm8704_init_user_dev3(np); 1598a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1599a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1600a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1601a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = xcvr_10g_set_lb_bcm870x(np); 1602a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1603a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1604a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1605a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = xcvr_diag_bcm870x(np); 1606a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) 1607a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 1608a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1609a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return 0; 1610a5d6ab56daa439d681aab29955498486e452224dMatheos Worku} 1611a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1612b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindnerstatic int xcvr_init_10g(struct niu *np) 1613b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner{ 1614b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner int phy_id, err; 1615b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner u64 val; 1616b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1617b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner val = nr64_mac(XMAC_CONFIG); 1618b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner val &= ~XMAC_CONFIG_LED_POLARITY; 1619b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner val |= XMAC_CONFIG_FORCE_LED_ON; 1620b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner nw64_mac(XMAC_CONFIG, val); 1621b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1622b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* XXX shared resource, lock parent XXX */ 1623b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner val = nr64(MIF_CONFIG); 1624b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner val |= MIF_CONFIG_INDIRECT_MODE; 1625b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner nw64(MIF_CONFIG, val); 1626b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1627b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner phy_id = phy_decode(np->parent->port_phy, np->port); 1628b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port]; 1629b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1630b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* handle different phy types */ 1631b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner switch (phy_id & NIU_PHY_ID_MASK) { 1632b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner case NIU_PHY_ID_MRVL88X2011: 1633b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = xcvr_init_10g_mrvl88x2011(np); 1634b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner break; 1635b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1636b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner default: /* bcom 8704 */ 1637b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = xcvr_init_10g_bcm8704(np); 1638b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner break; 1639b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner } 1640b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1641f344c25dbab1a392ef7a7afc8ca061b3b7285423David S. Miller return err; 1642b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner} 1643b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1644a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int mii_reset(struct niu *np) 1645a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1646a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit, err; 1647a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1648a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_write(np, np->phy_addr, MII_BMCR, BMCR_RESET); 1649a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1650a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1651a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1652a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 1000; 1653a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0) { 1654a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(500); 1655a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_read(np, np->phy_addr, MII_BMCR); 1656a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1657a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1658a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(err & BMCR_RESET)) 1659a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 1660a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1661a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0) { 1662f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Port %u MII would not reset, bmcr[%04x]\n", 1663f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port, err); 1664a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 1665a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1666a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1667a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 1668a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1669a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 16705fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic int xcvr_init_1g_rgmii(struct niu *np) 16715fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku{ 16725fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int err; 16735fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u64 val; 16745fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u16 bmcr, bmsr, estat; 16755fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 16765fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = nr64(MIF_CONFIG); 16775fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val &= ~MIF_CONFIG_INDIRECT_MODE; 16785fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(MIF_CONFIG, val); 16795fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 16805fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_reset(np); 16815fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 16825fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 16835fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 16845fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_read(np, np->phy_addr, MII_BMSR); 16855fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err < 0) 16865fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 16875fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku bmsr = err; 16885fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 16895fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku estat = 0; 16905fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (bmsr & BMSR_ESTATEN) { 16915fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_read(np, np->phy_addr, MII_ESTATUS); 16925fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err < 0) 16935fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 16945fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku estat = err; 16955fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 16965fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 16975fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku bmcr = 0; 16985fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 16995fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 17005fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 17015fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 17025fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (bmsr & BMSR_ESTATEN) { 17035fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u16 ctrl1000 = 0; 17045fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 17055fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (estat & ESTATUS_1000_TFULL) 17065fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ctrl1000 |= ADVERTISE_1000FULL; 17075fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_write(np, np->phy_addr, MII_CTRL1000, ctrl1000); 17085fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 17095fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 17105fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 17115fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 17125fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku bmcr = (BMCR_SPEED1000 | BMCR_FULLDPLX); 17135fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 17145fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 17155fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 17165fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 17175fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 17185fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_read(np, np->phy_addr, MII_BMCR); 17195fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err < 0) 17205fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 17215fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku bmcr = mii_read(np, np->phy_addr, MII_BMCR); 17225fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 17235fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = mii_read(np, np->phy_addr, MII_BMSR); 17245fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err < 0) 17255fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 17265fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 17275fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return 0; 17285fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku} 17295fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 1730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int mii_init_common(struct niu *np) 1731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_link_config *lp = &np->link_config; 1733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 bmcr, bmsr, adv, estat; 1734a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 1735a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1736a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_reset(np); 1737a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_read(np, np->phy_addr, MII_BMSR); 1741a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1743a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bmsr = err; 1744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1745a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller estat = 0; 1746a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (bmsr & BMSR_ESTATEN) { 1747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_read(np, np->phy_addr, MII_ESTATUS); 1748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1749a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller estat = err; 1751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bmcr = 0; 1754a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->loopback_mode == LOOPBACK_MAC) { 1759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bmcr |= BMCR_LOOPBACK; 1760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->active_speed == SPEED_1000) 1761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bmcr |= BMCR_SPEED1000; 1762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->active_duplex == DUPLEX_FULL) 1763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bmcr |= BMCR_FULLDPLX; 1764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->loopback_mode == LOOPBACK_PHY) { 1767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 aux; 1768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller aux = (BCM5464R_AUX_CTL_EXT_LB | 1770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM5464R_AUX_CTL_WRITE_1); 1771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_write(np, np->phy_addr, BCM5464R_AUX_CTL, aux); 1772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 177638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (lp->autoneg) { 177738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov u16 ctrl1000; 177838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 177938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP; 178038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((bmsr & BMSR_10HALF) && 178138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (lp->advertising & ADVERTISED_10baseT_Half)) 178238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov adv |= ADVERTISE_10HALF; 178338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((bmsr & BMSR_10FULL) && 178438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (lp->advertising & ADVERTISED_10baseT_Full)) 178538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov adv |= ADVERTISE_10FULL; 178638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((bmsr & BMSR_100HALF) && 178738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (lp->advertising & ADVERTISED_100baseT_Half)) 178838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov adv |= ADVERTISE_100HALF; 178938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((bmsr & BMSR_100FULL) && 179038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (lp->advertising & ADVERTISED_100baseT_Full)) 179138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov adv |= ADVERTISE_100FULL; 179238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_write(np, np->phy_addr, MII_ADVERTISE, adv); 1793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1794a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 179538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 179638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (likely(bmsr & BMSR_ESTATEN)) { 179738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov ctrl1000 = 0; 179838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((estat & ESTATUS_1000_THALF) && 179938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (lp->advertising & ADVERTISED_1000baseT_Half)) 180038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov ctrl1000 |= ADVERTISE_1000HALF; 180138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((estat & ESTATUS_1000_TFULL) && 180238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (lp->advertising & ADVERTISED_1000baseT_Full)) 180338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov ctrl1000 |= ADVERTISE_1000FULL; 180438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov err = mii_write(np, np->phy_addr, 180538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov MII_CTRL1000, ctrl1000); 180638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (err) 180738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return err; 180838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } 180938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 181038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); 181138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } else { 181238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov /* !lp->autoneg */ 181338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov int fulldpx; 181438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 181538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (lp->duplex == DUPLEX_FULL) { 181638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov bmcr |= BMCR_FULLDPLX; 181738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov fulldpx = 1; 181838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } else if (lp->duplex == DUPLEX_HALF) 181938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov fulldpx = 0; 182038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else 182138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return -EINVAL; 182238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 182338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (lp->speed == SPEED_1000) { 182438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov /* if X-full requested while not supported, or 182538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov X-half requested while not supported... */ 182638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((fulldpx && !(estat & ESTATUS_1000_TFULL)) || 182738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (!fulldpx && !(estat & ESTATUS_1000_THALF))) 182838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return -EINVAL; 182938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov bmcr |= BMCR_SPEED1000; 183038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } else if (lp->speed == SPEED_100) { 183138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((fulldpx && !(bmsr & BMSR_100FULL)) || 183238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (!fulldpx && !(bmsr & BMSR_100HALF))) 183338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return -EINVAL; 183438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov bmcr |= BMCR_SPEED100; 183538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } else if (lp->speed == SPEED_10) { 183638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if ((fulldpx && !(bmsr & BMSR_10FULL)) || 183738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov (!fulldpx && !(bmsr & BMSR_10HALF))) 183838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return -EINVAL; 183938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov } else 184038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return -EINVAL; 1841a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1842a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1843a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); 1844a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1845a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 184738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov#if 0 1848a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_read(np, np->phy_addr, MII_BMCR); 1849a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1850a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 185138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov bmcr = err; 185238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 1853a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mii_read(np, np->phy_addr, MII_BMSR); 1854a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 1855a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 185638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov bmsr = err; 185738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 1858f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("Port %u after MII init bmcr[%04x] bmsr[%04x]\n", 1859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->port, bmcr, bmsr); 1860a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 1861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1862a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 1863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1864a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int xcvr_init_1g(struct niu *np) 1866a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1867a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 1868a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1869a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* XXX shared resource, lock parent XXX */ 1870a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(MIF_CONFIG); 1871a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~MIF_CONFIG_INDIRECT_MODE; 1872a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(MIF_CONFIG, val); 1873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1874a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return mii_init_common(np); 1875a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1877a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_xcvr_init(struct niu *np) 1878a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1879a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const struct niu_phy_ops *ops = np->phy_ops; 1880a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 1881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 1883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ops->xcvr_init) 1884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = ops->xcvr_init(np); 1885a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1886a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1887a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1888a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1889a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_serdes_init(struct niu *np) 1890a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const struct niu_phy_ops *ops = np->phy_ops; 1892a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 1893a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1894a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 1895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ops->serdes_init) 1896a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = ops->serdes_init(np); 1897a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1898a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 1899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1900a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1901a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_xif(struct niu *); 19020c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindnerstatic void niu_handle_led(struct niu *, int status); 1903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_link_status_common(struct niu *np, int link_up) 1905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1906a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_link_config *lp = &np->link_config; 1907a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = np->dev; 1908a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 1909a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1910a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!netif_carrier_ok(dev) && link_up) { 1911f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_info(np, link, dev, "Link is up at %s, %s duplex\n", 1912f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches lp->active_speed == SPEED_10000 ? "10Gb/sec" : 1913f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches lp->active_speed == SPEED_1000 ? "1Gb/sec" : 1914f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches lp->active_speed == SPEED_100 ? "100Mbit/sec" : 1915f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "10Mbit/sec", 1916f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches lp->active_duplex == DUPLEX_FULL ? "full" : "half"); 1917a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1918a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 1919a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_xif(np); 19200c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner niu_handle_led(np, 1); 1921a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 1922a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1923a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_carrier_on(dev); 1924a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (netif_carrier_ok(dev) && !link_up) { 1925f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_warn(np, link, dev, "Link is down\n"); 19260c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner spin_lock_irqsave(&np->lock, flags); 19270c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner niu_handle_led(np, 0); 19280c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner spin_unlock_irqrestore(&np->lock, flags); 1929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_carrier_off(dev); 1930a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 1931a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1932a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 1933a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 1934a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1935b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindnerstatic int link_status_10g_mrvl(struct niu *np, int *link_up_p) 1936a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 1937b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner int err, link_up, pma_status, pcs_status; 1938a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1939a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller link_up = 0; 1940a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1941b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1942b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_10G_PMD_STATUS_2); 1943b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1944b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner goto out; 1945a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1946b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* Check PMA/PMD Register: 1.0001.2 == 1 */ 1947b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV1_ADDR, 1948b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_PMA_PMD_STATUS_1); 1949b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1950b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner goto out; 1951b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1952b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner pma_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0); 1953b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1954b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* Check PMC Register : 3.0001.2 == 1: read twice */ 1955b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1956b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_PMA_PMD_STATUS_1); 1957b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1958b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner goto out; 1959b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1960b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV3_ADDR, 1961b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_PMA_PMD_STATUS_1); 1962b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1963b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner goto out; 1964b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1965b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner pcs_status = ((err & MRVL88X2011_LNK_STATUS_OK) ? 1 : 0); 1966b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1967b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* Check XGXS Register : 4.0018.[0-3,12] */ 1968b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = mdio_read(np, np->phy_addr, MRVL88X2011_USER_DEV4_ADDR, 1969b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_10G_XGXS_LANE_STAT); 1970b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err < 0) 1971a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 1972a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1973b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (err == (PHYXS_XGXS_LANE_STAT_ALINGED | PHYXS_XGXS_LANE_STAT_LANE3 | 1974b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner PHYXS_XGXS_LANE_STAT_LANE2 | PHYXS_XGXS_LANE_STAT_LANE1 | 1975b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner PHYXS_XGXS_LANE_STAT_LANE0 | PHYXS_XGXS_LANE_STAT_MAGIC | 1976b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 0x800)) 1977b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner link_up = (pma_status && pcs_status) ? 1 : 0; 1978b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1979b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner np->link_config.active_speed = SPEED_10000; 1980b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner np->link_config.active_duplex = DUPLEX_FULL; 1981b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = 0; 1982b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindnerout: 1983b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner mrvl88x2011_act_led(np, (link_up ? 1984b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_LED_CTL_PCS_ACT : 1985b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner MRVL88X2011_LED_CTL_OFF)); 1986b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1987b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner *link_up_p = link_up; 1988b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 1989b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner} 1990b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 1991a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic int link_status_10g_bcm8706(struct niu *np, int *link_up_p) 1992a5d6ab56daa439d681aab29955498486e452224dMatheos Worku{ 1993a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int err, link_up; 1994a5d6ab56daa439d681aab29955498486e452224dMatheos Worku link_up = 0; 1995a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1996a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 1997a5d6ab56daa439d681aab29955498486e452224dMatheos Worku BCM8704_PMD_RCV_SIGDET); 19989c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (err < 0 || err == 0xffff) 1999a5d6ab56daa439d681aab29955498486e452224dMatheos Worku goto out; 2000a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (!(err & PMD_RCV_SIGDET_GLOBAL)) { 2001a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = 0; 2002a5d6ab56daa439d681aab29955498486e452224dMatheos Worku goto out; 2003a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 2004a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2005a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 2006a5d6ab56daa439d681aab29955498486e452224dMatheos Worku BCM8704_PCS_10G_R_STATUS); 2007a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err < 0) 2008a5d6ab56daa439d681aab29955498486e452224dMatheos Worku goto out; 2009a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2010a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (!(err & PCS_10G_R_STATUS_BLK_LOCK)) { 2011a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = 0; 2012a5d6ab56daa439d681aab29955498486e452224dMatheos Worku goto out; 2013a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 2014a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2015a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 2016a5d6ab56daa439d681aab29955498486e452224dMatheos Worku BCM8704_PHYXS_XGXS_LANE_STAT); 2017a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err < 0) 2018a5d6ab56daa439d681aab29955498486e452224dMatheos Worku goto out; 2019a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err != (PHYXS_XGXS_LANE_STAT_ALINGED | 2020a5d6ab56daa439d681aab29955498486e452224dMatheos Worku PHYXS_XGXS_LANE_STAT_MAGIC | 2021a5d6ab56daa439d681aab29955498486e452224dMatheos Worku PHYXS_XGXS_LANE_STAT_PATTEST | 2022a5d6ab56daa439d681aab29955498486e452224dMatheos Worku PHYXS_XGXS_LANE_STAT_LANE3 | 2023a5d6ab56daa439d681aab29955498486e452224dMatheos Worku PHYXS_XGXS_LANE_STAT_LANE2 | 2024a5d6ab56daa439d681aab29955498486e452224dMatheos Worku PHYXS_XGXS_LANE_STAT_LANE1 | 2025a5d6ab56daa439d681aab29955498486e452224dMatheos Worku PHYXS_XGXS_LANE_STAT_LANE0)) { 2026a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = 0; 2027a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->link_config.active_speed = SPEED_INVALID; 2028a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->link_config.active_duplex = DUPLEX_INVALID; 2029a5d6ab56daa439d681aab29955498486e452224dMatheos Worku goto out; 2030a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 2031a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2032a5d6ab56daa439d681aab29955498486e452224dMatheos Worku link_up = 1; 2033a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->link_config.active_speed = SPEED_10000; 2034a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->link_config.active_duplex = DUPLEX_FULL; 2035a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = 0; 2036a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2037a5d6ab56daa439d681aab29955498486e452224dMatheos Workuout: 2038a5d6ab56daa439d681aab29955498486e452224dMatheos Worku *link_up_p = link_up; 2039a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return err; 2040a5d6ab56daa439d681aab29955498486e452224dMatheos Worku} 2041a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2042b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindnerstatic int link_status_10g_bcom(struct niu *np, int *link_up_p) 2043b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner{ 2044b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner int err, link_up; 2045b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2046b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner link_up = 0; 2047b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2048a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR, 2049a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_PMD_RCV_SIGDET); 2050a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 2051a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 2052a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(err & PMD_RCV_SIGDET_GLOBAL)) { 2053a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 2054a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 2055a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2056a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2057a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR, 2058a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_PCS_10G_R_STATUS); 2059a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 2060a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 2061a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(err & PCS_10G_R_STATUS_BLK_LOCK)) { 2062a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 2063a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 2064a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2065a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2066a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR, 2067a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BCM8704_PHYXS_XGXS_LANE_STAT); 2068a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 2069a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 2070a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2071a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != (PHYXS_XGXS_LANE_STAT_ALINGED | 2072a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PHYXS_XGXS_LANE_STAT_MAGIC | 2073a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PHYXS_XGXS_LANE_STAT_LANE3 | 2074a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PHYXS_XGXS_LANE_STAT_LANE2 | 2075a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PHYXS_XGXS_LANE_STAT_LANE1 | 2076a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PHYXS_XGXS_LANE_STAT_LANE0)) { 2077a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 2078a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 2079a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2080a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2081a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller link_up = 1; 2082a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->link_config.active_speed = SPEED_10000; 2083a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->link_config.active_duplex = DUPLEX_FULL; 2084a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 2085a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2086a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout: 2087b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner *link_up_p = link_up; 2088b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner return err; 2089b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner} 2090b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2091b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindnerstatic int link_status_10g(struct niu *np, int *link_up_p) 2092b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner{ 2093b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner unsigned long flags; 2094b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner int err = -EINVAL; 2095b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2096b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner spin_lock_irqsave(&np->lock, flags); 2097b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2098b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (np->link_config.loopback_mode == LOOPBACK_DISABLED) { 2099b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner int phy_id; 2100b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2101b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner phy_id = phy_decode(np->parent->port_phy, np->port); 2102b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port]; 2103b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2104b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner /* handle different phy types */ 2105b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner switch (phy_id & NIU_PHY_ID_MASK) { 2106b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner case NIU_PHY_ID_MRVL88X2011: 2107b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = link_status_10g_mrvl(np, link_up_p); 2108b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner break; 2109b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2110b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner default: /* bcom 8704 */ 2111b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner err = link_status_10g_bcom(np, link_up_p); 2112b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner break; 2113b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner } 2114b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner } 2115b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner 2116a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 2117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 2119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2121a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic int niu_10g_phy_present(struct niu *np) 2122a5d6ab56daa439d681aab29955498486e452224dMatheos Worku{ 2123a5d6ab56daa439d681aab29955498486e452224dMatheos Worku u64 sig, mask, val; 2124a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2125a5d6ab56daa439d681aab29955498486e452224dMatheos Worku sig = nr64(ESR_INT_SIGNALS); 2126a5d6ab56daa439d681aab29955498486e452224dMatheos Worku switch (np->port) { 2127a5d6ab56daa439d681aab29955498486e452224dMatheos Worku case 0: 2128a5d6ab56daa439d681aab29955498486e452224dMatheos Worku mask = ESR_INT_SIGNALS_P0_BITS; 2129a5d6ab56daa439d681aab29955498486e452224dMatheos Worku val = (ESR_INT_SRDY0_P0 | 2130a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_DET0_P0 | 2131a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XSRDY_P0 | 2132a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XDP_P0_CH3 | 2133a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XDP_P0_CH2 | 2134a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XDP_P0_CH1 | 2135a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XDP_P0_CH0); 2136a5d6ab56daa439d681aab29955498486e452224dMatheos Worku break; 2137a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2138a5d6ab56daa439d681aab29955498486e452224dMatheos Worku case 1: 2139a5d6ab56daa439d681aab29955498486e452224dMatheos Worku mask = ESR_INT_SIGNALS_P1_BITS; 2140a5d6ab56daa439d681aab29955498486e452224dMatheos Worku val = (ESR_INT_SRDY0_P1 | 2141a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_DET0_P1 | 2142a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XSRDY_P1 | 2143a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XDP_P1_CH3 | 2144a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XDP_P1_CH2 | 2145a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XDP_P1_CH1 | 2146a5d6ab56daa439d681aab29955498486e452224dMatheos Worku ESR_INT_XDP_P1_CH0); 2147a5d6ab56daa439d681aab29955498486e452224dMatheos Worku break; 2148a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2149a5d6ab56daa439d681aab29955498486e452224dMatheos Worku default: 2150a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return 0; 2151a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 2152a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2153a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if ((sig & mask) != val) 2154a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return 0; 2155a5d6ab56daa439d681aab29955498486e452224dMatheos Worku return 1; 2156a5d6ab56daa439d681aab29955498486e452224dMatheos Worku} 2157a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2158a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic int link_status_10g_hotplug(struct niu *np, int *link_up_p) 2159a5d6ab56daa439d681aab29955498486e452224dMatheos Worku{ 2160a5d6ab56daa439d681aab29955498486e452224dMatheos Worku unsigned long flags; 2161a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int err = 0; 2162a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int phy_present; 2163a5d6ab56daa439d681aab29955498486e452224dMatheos Worku int phy_present_prev; 2164a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2165a5d6ab56daa439d681aab29955498486e452224dMatheos Worku spin_lock_irqsave(&np->lock, flags); 2166a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2167a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (np->link_config.loopback_mode == LOOPBACK_DISABLED) { 2168a5d6ab56daa439d681aab29955498486e452224dMatheos Worku phy_present_prev = (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) ? 2169a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 1 : 0; 2170a5d6ab56daa439d681aab29955498486e452224dMatheos Worku phy_present = niu_10g_phy_present(np); 2171a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (phy_present != phy_present_prev) { 2172a5d6ab56daa439d681aab29955498486e452224dMatheos Worku /* state change */ 2173a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (phy_present) { 21749c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang /* A NEM was just plugged in */ 2175a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->flags |= NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2176a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (np->phy_ops->xcvr_init) 2177a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = np->phy_ops->xcvr_init(np); 2178a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (err) { 21799c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang err = mdio_read(np, np->phy_addr, 21809c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang BCM8704_PHYXS_DEV_ADDR, MII_BMCR); 21819c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (err == 0xffff) { 21829c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang /* No mdio, back-to-back XAUI */ 21839c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang goto out; 21849c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang } 2185a5d6ab56daa439d681aab29955498486e452224dMatheos Worku /* debounce */ 2186a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2187a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 2188a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } else { 2189a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->flags &= ~NIU_FLAGS_HOTPLUG_PHY_PRESENT; 2190a5d6ab56daa439d681aab29955498486e452224dMatheos Worku *link_up_p = 0; 2191f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_warn(np, link, np->dev, 2192f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "Hotplug PHY Removed\n"); 2193a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 2194a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 21959c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Changout: 21969c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (np->flags & NIU_FLAGS_HOTPLUG_PHY_PRESENT) { 2197a5d6ab56daa439d681aab29955498486e452224dMatheos Worku err = link_status_10g_bcm8706(np, link_up_p); 21989c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (err == 0xffff) { 21999c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang /* No mdio, back-to-back XAUI: it is C10NEM */ 22009c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang *link_up_p = 1; 22019c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang np->link_config.active_speed = SPEED_10000; 22029c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang np->link_config.active_duplex = DUPLEX_FULL; 22039c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang } 22049c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang } 2205a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 2206a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2207a5d6ab56daa439d681aab29955498486e452224dMatheos Worku spin_unlock_irqrestore(&np->lock, flags); 2208a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 22099c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang return 0; 2210a5d6ab56daa439d681aab29955498486e452224dMatheos Worku} 2211a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 2212a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_link_status(struct niu *np, int *link_up_p) 2213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2214a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const struct niu_phy_ops *ops = np->phy_ops; 2215a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 2216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2217a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 2218a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ops->link_status) 2219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = ops->link_status(np, link_up_p); 2220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2221a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 2222a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2223a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_timer(unsigned long __opaque) 2225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = (struct niu *) __opaque; 2227a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long off; 2228a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, link_up; 2229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_link_status(np, &link_up); 2231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 2232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_link_status_common(np, link_up); 2233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (netif_carrier_ok(np->dev)) 2235a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller off = 5 * HZ; 2236a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2237a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller off = 1 * HZ; 2238a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.expires = jiffies + off; 2239a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller add_timer(&np->timer); 2241a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 22435fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic const struct niu_phy_ops phy_ops_10g_serdes = { 22445fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku .serdes_init = serdes_init_10g_serdes, 22455fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku .link_status = link_status_10g_serdes, 22465fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku}; 22475fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 2248e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Beherastatic const struct niu_phy_ops phy_ops_10g_serdes_niu = { 2249e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .serdes_init = serdes_init_niu_10g_serdes, 2250e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .link_status = link_status_10g_serdes, 2251e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera}; 2252e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 2253e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Beherastatic const struct niu_phy_ops phy_ops_1g_serdes_niu = { 2254e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .serdes_init = serdes_init_niu_1g_serdes, 2255e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .link_status = link_status_1g_serdes, 2256e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera}; 2257e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 22585fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic const struct niu_phy_ops phy_ops_1g_rgmii = { 22595fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku .xcvr_init = xcvr_init_1g_rgmii, 22605fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku .link_status = link_status_1g_rgmii, 22615fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku}; 22625fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 2263a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_ops phy_ops_10g_fiber_niu = { 2264e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .serdes_init = serdes_init_niu_10g_fiber, 2265a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .xcvr_init = xcvr_init_10g, 2266a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .link_status = link_status_10g, 2267a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2268a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2269a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_ops phy_ops_10g_fiber = { 2270a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .serdes_init = serdes_init_10g, 2271a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .xcvr_init = xcvr_init_10g, 2272a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .link_status = link_status_10g, 2273a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2274a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2275a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic const struct niu_phy_ops phy_ops_10g_fiber_hotplug = { 2276a5d6ab56daa439d681aab29955498486e452224dMatheos Worku .serdes_init = serdes_init_10g, 2277a5d6ab56daa439d681aab29955498486e452224dMatheos Worku .xcvr_init = xcvr_init_10g_bcm8706, 2278a5d6ab56daa439d681aab29955498486e452224dMatheos Worku .link_status = link_status_10g_hotplug, 2279a5d6ab56daa439d681aab29955498486e452224dMatheos Worku}; 2280a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 22819c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Changstatic const struct niu_phy_ops phy_ops_niu_10g_hotplug = { 22829c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang .serdes_init = serdes_init_niu_10g_fiber, 22839c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang .xcvr_init = xcvr_init_10g_bcm8706, 22849c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang .link_status = link_status_10g_hotplug, 22859c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang}; 22869c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang 2287a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_ops phy_ops_10g_copper = { 2288a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .serdes_init = serdes_init_10g, 2289a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .link_status = link_status_10g, /* XXX */ 2290a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2291a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2292a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_ops phy_ops_1g_fiber = { 2293a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .serdes_init = serdes_init_1g, 2294a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .xcvr_init = xcvr_init_1g, 2295a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .link_status = link_status_1g, 2296a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2298a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_ops phy_ops_1g_copper = { 2299a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .xcvr_init = xcvr_init_1g, 2300a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .link_status = link_status_1g, 2301a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2302a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2303a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstruct niu_phy_template { 2304a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const struct niu_phy_ops *ops; 2305a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 phy_addr_base; 2306a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2307a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2308e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Beherastatic const struct niu_phy_template phy_template_niu_10g_fiber = { 2309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .ops = &phy_ops_10g_fiber_niu, 2310a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .phy_addr_base = 16, 2311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2312a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2313e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Beherastatic const struct niu_phy_template phy_template_niu_10g_serdes = { 2314e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .ops = &phy_ops_10g_serdes_niu, 2315e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .phy_addr_base = 0, 2316e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera}; 2317e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 2318e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Beherastatic const struct niu_phy_template phy_template_niu_1g_serdes = { 2319e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .ops = &phy_ops_1g_serdes_niu, 2320e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera .phy_addr_base = 0, 2321e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera}; 2322e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 2323a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_template phy_template_10g_fiber = { 2324a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .ops = &phy_ops_10g_fiber, 2325a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .phy_addr_base = 8, 2326a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2327a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2328a5d6ab56daa439d681aab29955498486e452224dMatheos Workustatic const struct niu_phy_template phy_template_10g_fiber_hotplug = { 2329a5d6ab56daa439d681aab29955498486e452224dMatheos Worku .ops = &phy_ops_10g_fiber_hotplug, 2330a5d6ab56daa439d681aab29955498486e452224dMatheos Worku .phy_addr_base = 8, 2331a5d6ab56daa439d681aab29955498486e452224dMatheos Worku}; 2332a5d6ab56daa439d681aab29955498486e452224dMatheos Worku 23339c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Changstatic const struct niu_phy_template phy_template_niu_10g_hotplug = { 23349c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang .ops = &phy_ops_niu_10g_hotplug, 23359c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang .phy_addr_base = 8, 23369c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang}; 23379c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang 2338a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_template phy_template_10g_copper = { 2339a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .ops = &phy_ops_10g_copper, 2340a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .phy_addr_base = 10, 2341a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_template phy_template_1g_fiber = { 2344a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .ops = &phy_ops_1g_fiber, 2345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .phy_addr_base = 0, 2346a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2347a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2348a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_phy_template phy_template_1g_copper = { 2349a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .ops = &phy_ops_1g_copper, 2350a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .phy_addr_base = 0, 2351a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 2352a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 23535fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic const struct niu_phy_template phy_template_1g_rgmii = { 23545fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku .ops = &phy_ops_1g_rgmii, 23555fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku .phy_addr_base = 0, 23565fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku}; 23575fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 23585fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic const struct niu_phy_template phy_template_10g_serdes = { 23595fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku .ops = &phy_ops_10g_serdes, 23605fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku .phy_addr_base = 0, 23615fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku}; 23625fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 23635fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic int niu_atca_port_num[4] = { 23645fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 0, 0, 11, 10 23655fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku}; 23665fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 23675fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Workustatic int serdes_init_10g_serdes(struct niu *np) 23685fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku{ 23695fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku struct niu_link_config *lp = &np->link_config; 23705fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku unsigned long ctrl_reg, test_cfg_reg, pll_cfg, i; 23715fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u64 ctrl_val, test_cfg_val, sig, mask, val; 23725fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 23735fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku switch (np->port) { 23745fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0: 23755fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ctrl_reg = ENET_SERDES_0_CTRL_CFG; 23765fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku test_cfg_reg = ENET_SERDES_0_TEST_CFG; 23775fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku pll_cfg = ENET_SERDES_0_PLL_CFG; 23785fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 23795fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 1: 23805fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ctrl_reg = ENET_SERDES_1_CTRL_CFG; 23815fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku test_cfg_reg = ENET_SERDES_1_TEST_CFG; 23825fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku pll_cfg = ENET_SERDES_1_PLL_CFG; 23835fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 23845fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 23855fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku default: 23865fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return -EINVAL; 23875fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 23885fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ctrl_val = (ENET_SERDES_CTRL_SDET_0 | 23895fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_CTRL_SDET_1 | 23905fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_CTRL_SDET_2 | 23915fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_CTRL_SDET_3 | 23925fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) | 23935fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) | 23945fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) | 23955fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) | 23965fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) | 23975fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) | 23985fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) | 23995fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT)); 24005fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku test_cfg_val = 0; 24015fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24025fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (lp->loopback_mode == LOOPBACK_PHY) { 24035fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK << 24045fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_TEST_MD_0_SHIFT) | 24055fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (ENET_TEST_MD_PAD_LOOPBACK << 24065fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_TEST_MD_1_SHIFT) | 24075fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (ENET_TEST_MD_PAD_LOOPBACK << 24085fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_TEST_MD_2_SHIFT) | 24095fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (ENET_TEST_MD_PAD_LOOPBACK << 24105fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ENET_SERDES_TEST_MD_3_SHIFT)); 24115fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 24125fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24135fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku esr_reset(np); 24145fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(pll_cfg, ENET_SERDES_PLL_FBDIV2); 24155fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(ctrl_reg, ctrl_val); 24165fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(test_cfg_reg, test_cfg_val); 24175fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24185fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku /* Initialize all 4 lanes of the SERDES. */ 24195fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku for (i = 0; i < 4; i++) { 24205fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku u32 rxtx_ctrl, glue0; 24217c34eb897362a51133222ef4229628469333f4d9Hannes Eder int err; 24225fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24235fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl); 24245fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 24255fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 24265fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = esr_read_glue0(np, i, &glue0); 24275fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 24285fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 24295fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24305fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO); 24315fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH | 24325fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT)); 24335fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24345fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku glue0 &= ~(ESR_GLUE_CTRL0_SRATE | 24355fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_GLUE_CTRL0_THCNT | 24365fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_GLUE_CTRL0_BLTIME); 24375fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB | 24385fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) | 24395fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) | 24405fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (BLTIME_300_CYCLES << 24415fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_GLUE_CTRL0_BLTIME_SHIFT)); 24425fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24435fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl); 24445fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 24455fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 24465fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = esr_write_glue0(np, i, glue0); 24475fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 24485fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 24495fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 24505fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24515fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24525fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku sig = nr64(ESR_INT_SIGNALS); 24535fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku switch (np->port) { 24545fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0: 24555fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku mask = ESR_INT_SIGNALS_P0_BITS; 24565fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (ESR_INT_SRDY0_P0 | 24575fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_DET0_P0 | 24585fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XSRDY_P0 | 24595fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XDP_P0_CH3 | 24605fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XDP_P0_CH2 | 24615fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XDP_P0_CH1 | 24625fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XDP_P0_CH0); 24635fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 24645fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24655fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 1: 24665fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku mask = ESR_INT_SIGNALS_P1_BITS; 24675fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (ESR_INT_SRDY0_P1 | 24685fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_DET0_P1 | 24695fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XSRDY_P1 | 24705fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XDP_P1_CH3 | 24715fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XDP_P1_CH2 | 24725fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XDP_P1_CH1 | 24735fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku ESR_INT_XDP_P1_CH0); 24745fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 24755fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24765fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku default: 24775fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return -EINVAL; 24785fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 24795fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24805fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if ((sig & mask) != val) { 24815fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int err; 24825fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = serdes_init_1g_serdes(np); 24835fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (!err) { 24845fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->flags &= ~NIU_FLAGS_10G; 24855fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->mac_xcvr = MAC_XCVR_PCS; 24865fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } else { 2487f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Port %u 10G/1G SERDES Link Failed\n", 2488f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->port); 24895fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return -ENODEV; 24905fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 24915fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 24925fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 24935fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return 0; 24945fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku} 24955fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 2496a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_determine_phy_disposition(struct niu *np) 2497a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2498a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 2499a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 plat_type = parent->plat_type; 2500a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const struct niu_phy_template *tp; 2501a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 phy_addr_off = 0; 2502a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2503a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (plat_type == PLAT_TYPE_NIU) { 2504e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera switch (np->flags & 2505e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera (NIU_FLAGS_10G | 2506e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera NIU_FLAGS_FIBER | 2507e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera NIU_FLAGS_XCVR_SERDES)) { 2508e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 2509e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* 10G Serdes */ 2510e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera tp = &phy_template_niu_10g_serdes; 2511e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 2512e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera case NIU_FLAGS_XCVR_SERDES: 2513e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* 1G Serdes */ 2514e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera tp = &phy_template_niu_1g_serdes; 2515e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 2516e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 2517e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* 10G Fiber */ 2518e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera default: 25199c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 25209c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang tp = &phy_template_niu_10g_hotplug; 25219c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (np->port == 0) 25229c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang phy_addr_off = 8; 25239c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (np->port == 1) 25249c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang phy_addr_off = 12; 25259c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang } else { 25269c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang tp = &phy_template_niu_10g_fiber; 25279c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang phy_addr_off += np->port; 25289c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang } 2529e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera break; 2530e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 2531a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 25325fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku switch (np->flags & 25335fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (NIU_FLAGS_10G | 25345fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku NIU_FLAGS_FIBER | 25355fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku NIU_FLAGS_XCVR_SERDES)) { 2536a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 0: 2537a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 1G copper */ 2538a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp = &phy_template_1g_copper; 2539a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (plat_type == PLAT_TYPE_VF_P0) 2540a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_addr_off = 10; 2541a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else if (plat_type == PLAT_TYPE_VF_P1) 2542a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_addr_off = 26; 2543a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2544a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_addr_off += (np->port ^ 0x3); 2545a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 2546a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2547a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case NIU_FLAGS_10G: 2548a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 10G copper */ 2549e0d8496a66de9eca13a88d93a5642db47e5a2b60Constantin Baranov tp = &phy_template_10g_copper; 2550a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 2551a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2552a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case NIU_FLAGS_FIBER: 2553a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 1G fiber */ 2554a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp = &phy_template_1g_fiber; 2555a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 2556a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2557a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 2558a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 10G fiber */ 2559a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp = &phy_template_10g_fiber; 2560a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (plat_type == PLAT_TYPE_VF_P0 || 2561a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller plat_type == PLAT_TYPE_VF_P1) 2562a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_addr_off = 8; 2563a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_addr_off += np->port; 2564a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (np->flags & NIU_FLAGS_HOTPLUG_PHY) { 2565a5d6ab56daa439d681aab29955498486e452224dMatheos Worku tp = &phy_template_10g_fiber_hotplug; 2566a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (np->port == 0) 2567a5d6ab56daa439d681aab29955498486e452224dMatheos Worku phy_addr_off = 8; 2568a5d6ab56daa439d681aab29955498486e452224dMatheos Worku if (np->port == 1) 2569a5d6ab56daa439d681aab29955498486e452224dMatheos Worku phy_addr_off = 12; 2570a5d6ab56daa439d681aab29955498486e452224dMatheos Worku } 2571a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 2572a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 25735fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 25745fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case NIU_FLAGS_XCVR_SERDES | NIU_FLAGS_FIBER: 25755fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case NIU_FLAGS_XCVR_SERDES: 25765fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku switch(np->port) { 25775fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0: 25785fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 1: 25795fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku tp = &phy_template_10g_serdes; 25805fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 25815fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 2: 25825fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 3: 25835fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku tp = &phy_template_1g_rgmii; 25845fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 25855fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku default: 25865fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return -EINVAL; 25875fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 25885fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 25895fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_addr_off = niu_atca_port_num[np->port]; 25905fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 25915fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 2592a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 2593a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2594a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2595a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2596a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2597a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->phy_ops = tp->ops; 2598a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->phy_addr = tp->phy_addr_base + phy_addr_off; 2599a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2600a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2601a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2602a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2603a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_link(struct niu *np) 2604a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2605a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 2606a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, ignore; 2607a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2608a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->plat_type == PLAT_TYPE_NIU) { 2609a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_xcvr_init(np); 2610a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 2611a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 2612a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller msleep(200); 2613a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2614a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_serdes_init(np); 26159c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (err && !(np->flags & NIU_FLAGS_HOTPLUG_PHY)) 2616a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 2617a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller msleep(200); 2618a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_xcvr_init(np); 26199c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (!err || (np->flags & NIU_FLAGS_HOTPLUG_PHY)) 2620a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_link_status(np, &ignore); 2621a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2622a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2623a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2624a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_set_primary_mac(struct niu *np, unsigned char *addr) 2625a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2626a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 reg0 = addr[4] << 8 | addr[5]; 2627a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 reg1 = addr[2] << 8 | addr[3]; 2628a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 reg2 = addr[0] << 8 | addr[1]; 2629a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2630a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) { 2631a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ADDR0, reg0); 2632a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ADDR1, reg1); 2633a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ADDR2, reg2); 2634a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 2635a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADDR0, reg0); 2636a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADDR1, reg1); 2637a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADDR2, reg2); 2638a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2639a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2640a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2641a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_num_alt_addr(struct niu *np) 2642a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2643a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 2644a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return XMAC_NUM_ALT_ADDR; 2645a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2646a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return BMAC_NUM_ALT_ADDR; 2647a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2648a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2649a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_alt_mac(struct niu *np, int index, unsigned char *addr) 2650a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2651a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 reg0 = addr[4] << 8 | addr[5]; 2652a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 reg1 = addr[2] << 8 | addr[3]; 2653a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 reg2 = addr[0] << 8 | addr[1]; 2654a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2655a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (index >= niu_num_alt_addr(np)) 2656a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2657a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2658a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) { 2659a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ALT_ADDR0(index), reg0); 2660a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ALT_ADDR1(index), reg1); 2661a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ALT_ADDR2(index), reg2); 2662a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 2663a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ALT_ADDR0(index), reg0); 2664a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ALT_ADDR1(index), reg1); 2665a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ALT_ADDR2(index), reg2); 2666a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2667a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2668a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2669a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2670a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2671a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_enable_alt_mac(struct niu *np, int index, int on) 2672a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2673a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long reg; 2674a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val, mask; 2675a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2676a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (index >= niu_num_alt_addr(np)) 2677a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2678a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2679fa907895b7b776208a1406efe5ba7ffe0f49f507Matheos Worku if (np->flags & NIU_FLAGS_XMAC) { 2680a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = XMAC_ADDR_CMPEN; 2681fa907895b7b776208a1406efe5ba7ffe0f49f507Matheos Worku mask = 1 << index; 2682fa907895b7b776208a1406efe5ba7ffe0f49f507Matheos Worku } else { 2683a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = BMAC_ADDR_CMPEN; 2684fa907895b7b776208a1406efe5ba7ffe0f49f507Matheos Worku mask = 1 << (index + 1); 2685fa907895b7b776208a1406efe5ba7ffe0f49f507Matheos Worku } 2686a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2687a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(reg); 2688a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 2689a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= mask; 2690a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2691a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~mask; 2692a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(reg, val); 2693a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __set_rdc_table_num_hw(struct niu *np, unsigned long reg, 2698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int num, int mac_pref) 2699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2700a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_mac(reg); 2701a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(HOST_INFO_MACRDCTBLN | HOST_INFO_MPR); 2702a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= num; 2703a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (mac_pref) 2704a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= HOST_INFO_MPR; 2705a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(reg, val); 2706a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2707a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2708a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __set_rdc_table_num(struct niu *np, 2709a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int xmac_index, int bmac_index, 2710a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int rdc_table_num, int mac_pref) 2711a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2712a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long reg; 2713a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rdc_table_num & ~HOST_INFO_MACRDCTBLN) 2715a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2716a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 2717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = XMAC_HOST_INFO(xmac_index); 2718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2719a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = BMAC_HOST_INFO(bmac_index); 2720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __set_rdc_table_num_hw(np, reg, rdc_table_num, mac_pref); 2721a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2722a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2724a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_primary_mac_rdc_table(struct niu *np, int table_num, 2725a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int mac_pref) 2726a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2727a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return __set_rdc_table_num(np, 17, 0, table_num, mac_pref); 2728a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2729a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_multicast_mac_rdc_table(struct niu *np, int table_num, 2731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int mac_pref) 2732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return __set_rdc_table_num(np, 16, 8, table_num, mac_pref); 2734a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2735a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2736a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_alt_mac_rdc_table(struct niu *np, int idx, 2737a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int table_num, int mac_pref) 2738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (idx >= niu_num_alt_addr(np)) 2740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2741a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return __set_rdc_table_num(np, idx, idx + 1, table_num, mac_pref); 2742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2743a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 vlan_entry_set_parity(u64 reg_val) 2745a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2746a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 port01_mask; 2747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 port23_mask; 2748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2749a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller port01_mask = 0x00ff; 2750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller port23_mask = 0xff00; 2751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (hweight64(reg_val & port01_mask) & 1) 2753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg_val |= ENET_VLAN_TBL_PARITY0; 2754a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg_val &= ~ENET_VLAN_TBL_PARITY0; 2756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (hweight64(reg_val & port23_mask) & 1) 2758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg_val |= ENET_VLAN_TBL_PARITY1; 2759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg_val &= ~ENET_VLAN_TBL_PARITY1; 2761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return reg_val; 2763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void vlan_tbl_write(struct niu *np, unsigned long index, 2766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int port, int vpr, int rdc_table) 2767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 reg_val = nr64(ENET_VLAN_TBL(index)); 2769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg_val &= ~((ENET_VLAN_TBL_VPR | 2771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_VLAN_TBL_VLANRDCTBLN) << 2772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_VLAN_TBL_SHIFT(port)); 2773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (vpr) 2774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg_val |= (ENET_VLAN_TBL_VPR << 2775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ENET_VLAN_TBL_SHIFT(port)); 2776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg_val |= (rdc_table << ENET_VLAN_TBL_SHIFT(port)); 2777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg_val = vlan_entry_set_parity(reg_val); 2779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ENET_VLAN_TBL(index), reg_val); 2781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2782a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void vlan_tbl_clear(struct niu *np) 2784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2785a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 2786a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < ENET_VLAN_TBL_NUM_ENTRIES; i++) 2788a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ENET_VLAN_TBL(i), 0); 2789a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_wait_bit(struct niu *np, u64 bit) 2792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit = 1000; 2794a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2795a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit > 0) { 2796a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (nr64(TCAM_CTL) & bit) 2797a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 2798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(1); 2799a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2800d2a928e4bfc75170af641f073475fc974cf176c2roel kluin if (limit <= 0) 2801a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 2802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2803a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2805a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_flush(struct niu *np, int index) 2807a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_0, 0x00); 2809a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_MASK_0, 0xff); 2810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_WRITE | index)); 2811a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return tcam_wait_bit(np, TCAM_CTL_STAT); 2813a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2815a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#if 0 2816a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_read(struct niu *np, int index, 2817a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 *key, u64 *mask) 2818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2819a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 2820a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2821a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_READ | index)); 2822a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = tcam_wait_bit(np, TCAM_CTL_STAT); 2823a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 2824a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller key[0] = nr64(TCAM_KEY_0); 2825a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller key[1] = nr64(TCAM_KEY_1); 2826a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller key[2] = nr64(TCAM_KEY_2); 2827a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller key[3] = nr64(TCAM_KEY_3); 2828a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask[0] = nr64(TCAM_KEY_MASK_0); 2829a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask[1] = nr64(TCAM_KEY_MASK_1); 2830a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask[2] = nr64(TCAM_KEY_MASK_2); 2831a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask[3] = nr64(TCAM_KEY_MASK_3); 2832a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 2833a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 2834a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2835a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 2836a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_write(struct niu *np, int index, 2838a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 *key, u64 *mask) 2839a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2840a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_0, key[0]); 2841a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_1, key[1]); 2842a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_2, key[2]); 2843a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_3, key[3]); 2844a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_MASK_0, mask[0]); 2845a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_MASK_1, mask[1]); 2846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_MASK_2, mask[2]); 2847a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_MASK_3, mask[3]); 2848a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_WRITE | index)); 2849a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2850a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return tcam_wait_bit(np, TCAM_CTL_STAT); 2851a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2852a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2853a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#if 0 2854a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_assoc_read(struct niu *np, int index, u64 *data) 2855a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2856a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 2857a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2858a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_CTL, (TCAM_CTL_RWC_RAM_READ | index)); 2859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = tcam_wait_bit(np, TCAM_CTL_STAT); 2860a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 2861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *data = nr64(TCAM_KEY_1); 2862a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 2864a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 2866a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2867a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_assoc_write(struct niu *np, int index, u64 assoc_data) 2868a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2869a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY_1, assoc_data); 2870a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_CTL, (TCAM_CTL_RWC_RAM_WRITE | index)); 2871a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2872a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return tcam_wait_bit(np, TCAM_CTL_STAT); 2873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2874a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2875a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void tcam_enable(struct niu *np, int on) 2876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2877a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(FFLP_CFG_1); 2878a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2879a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 2880a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~FFLP_CFG_1_TCAM_DIS; 2881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= FFLP_CFG_1_TCAM_DIS; 2883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, val); 2884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2885a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2886a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void tcam_set_lat_and_ratio(struct niu *np, u64 latency, u64 ratio) 2887a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2888a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(FFLP_CFG_1); 2889a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2890a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(FFLP_CFG_1_FFLPINITDONE | 2891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller FFLP_CFG_1_CAMLAT | 2892a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller FFLP_CFG_1_CAMRATIO); 2893a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (latency << FFLP_CFG_1_CAMLAT_SHIFT); 2894a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (ratio << FFLP_CFG_1_CAMRATIO_SHIFT); 2895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, val); 2896a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2897a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(FFLP_CFG_1); 2898a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= FFLP_CFG_1_FFLPINITDONE; 2899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, val); 2900a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2901a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2902a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_user_eth_class_enable(struct niu *np, unsigned long class, 2903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int on) 2904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long reg; 2906a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 2907a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2908a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (class < CLASS_CODE_ETHERTYPE1 || 2909a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller class > CLASS_CODE_ETHERTYPE2) 2910a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2911a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2912a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = L2_CLS(class - CLASS_CODE_ETHERTYPE1); 2913a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(reg); 2914a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 2915a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= L2_CLS_VLD; 2916a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2917a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~L2_CLS_VLD; 2918a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(reg, val); 2919a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2920a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2921a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2922a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2923a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#if 0 2924a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_user_eth_class_set(struct niu *np, unsigned long class, 2925a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 ether_type) 2926a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2927a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long reg; 2928a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 2929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2930a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (class < CLASS_CODE_ETHERTYPE1 || 2931a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller class > CLASS_CODE_ETHERTYPE2 || 2932a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ether_type & ~(u64)0xffff) != 0) 2933a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2934a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2935a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = L2_CLS(class - CLASS_CODE_ETHERTYPE1); 2936a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(reg); 2937a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~L2_CLS_ETYPE; 2938a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (ether_type << L2_CLS_ETYPE_SHIFT); 2939a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(reg, val); 2940a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2941a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2942a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2943a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 2944a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2945a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_user_ip_class_enable(struct niu *np, unsigned long class, 2946a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int on) 2947a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2948a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long reg; 2949a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 2950a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2951a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (class < CLASS_CODE_USER_PROG1 || 2952a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller class > CLASS_CODE_USER_PROG4) 2953a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2954a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2955a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = L3_CLS(class - CLASS_CODE_USER_PROG1); 2956a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(reg); 2957a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 2958a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= L3_CLS_VALID; 2959a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 2960a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~L3_CLS_VALID; 2961a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(reg, val); 2962a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2963a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2964a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2965a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2966a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_user_ip_class_set(struct niu *np, unsigned long class, 2967a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ipv6, u64 protocol_id, 2968a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 tos_mask, u64 tos_val) 2969a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2970a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long reg; 2971a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 2972a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2973a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (class < CLASS_CODE_USER_PROG1 || 2974a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller class > CLASS_CODE_USER_PROG4 || 2975a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (protocol_id & ~(u64)0xff) != 0 || 2976a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (tos_mask & ~(u64)0xff) != 0 || 2977a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (tos_val & ~(u64)0xff) != 0) 2978a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 2979a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2980a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = L3_CLS(class - CLASS_CODE_USER_PROG1); 2981a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(reg); 2982a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(L3_CLS_IPVER | L3_CLS_PID | 2983a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller L3_CLS_TOSMASK | L3_CLS_TOS); 2984a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ipv6) 2985a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= L3_CLS_IPVER; 2986a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (protocol_id << L3_CLS_PID_SHIFT); 2987a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (tos_mask << L3_CLS_TOSMASK_SHIFT); 2988a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (tos_val << L3_CLS_TOS_SHIFT); 2989a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(reg, val); 2990a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2991a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 2992a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 2993a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2994a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_early_init(struct niu *np) 2995a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 2996a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 2997a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 2998a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 2999a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tcam_enable(np, 0); 3000a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tcam_set_lat_and_ratio(np, 3001a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller DEFAULT_TCAM_LATENCY, 3002a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller DEFAULT_TCAM_ACCESS_RATIO); 3003a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = CLASS_CODE_ETHERTYPE1; i <= CLASS_CODE_ETHERTYPE2; i++) { 3004a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = tcam_user_eth_class_enable(np, i, 0); 3005a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 3006a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 3007a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3008a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_USER_PROG4; i++) { 3009a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = tcam_user_ip_class_enable(np, i, 0); 3010a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 3011a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 3012a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3013a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3014a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3015a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3016a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3017a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int tcam_flush_all(struct niu *np) 3018a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3019a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 3020a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3021a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->parent->tcam_num_entries; i++) { 3022a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = tcam_flush(np, i); 3023a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 3024a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 3025a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3026a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3027a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3028a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3029a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 hash_addr_regval(unsigned long index, unsigned long num_entries) 3030a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3031807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return (u64)index | (num_entries == 1 ? HASH_TBL_ADDR_AUTOINC : 0); 3032a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3033a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3034a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#if 0 3035a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int hash_read(struct niu *np, unsigned long partition, 3036a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long index, unsigned long num_entries, 3037a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 *data) 3038a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3039a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = hash_addr_regval(index, num_entries); 3040a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 3041a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3042a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (partition >= FCRAM_NUM_PARTITIONS || 3043a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller index + num_entries > FCRAM_SIZE) 3044a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 3045a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3046a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(HASH_TBL_ADDR(partition), val); 3047a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_entries; i++) 3048a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[i] = nr64(HASH_TBL_DATA(partition)); 3049a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3050a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3051a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3052a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 3053a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3054a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int hash_write(struct niu *np, unsigned long partition, 3055a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long index, unsigned long num_entries, 3056a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 *data) 3057a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3058a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = hash_addr_regval(index, num_entries); 3059a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 3060a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3061a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (partition >= FCRAM_NUM_PARTITIONS || 3062a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller index + (num_entries * 8) > FCRAM_SIZE) 3063a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 3064a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3065a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(HASH_TBL_ADDR(partition), val); 3066a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_entries; i++) 3067a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(HASH_TBL_DATA(partition), data[i]); 3068a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3069a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3070a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3071a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3072a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void fflp_reset(struct niu *np) 3073a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3074a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 3075a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3076a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, FFLP_CFG_1_PIO_FIO_RST); 3077a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(10); 3078a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, 0); 3079a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3080a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = FFLP_CFG_1_FCRAMOUTDR_NORMAL | FFLP_CFG_1_FFLPINITDONE; 3081a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, val); 3082a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3083a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3084a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void fflp_set_timings(struct niu *np) 3085a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3086a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(FFLP_CFG_1); 3087a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3088a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~FFLP_CFG_1_FFLPINITDONE; 3089a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (DEFAULT_FCRAMRATIO << FFLP_CFG_1_FCRAMRATIO_SHIFT); 3090a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, val); 3091a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3092a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(FFLP_CFG_1); 3093a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= FFLP_CFG_1_FFLPINITDONE; 3094a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, val); 3095a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3096a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(FCRAM_REF_TMR); 3097a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(FCRAM_REF_TMR_MAX | FCRAM_REF_TMR_MIN); 3098a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (DEFAULT_FCRAM_REFRESH_MAX << FCRAM_REF_TMR_MAX_SHIFT); 3099a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (DEFAULT_FCRAM_REFRESH_MIN << FCRAM_REF_TMR_MIN_SHIFT); 3100a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FCRAM_REF_TMR, val); 3101a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3102a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3103a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int fflp_set_partition(struct niu *np, u64 partition, 3104a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 mask, u64 base, int enable) 3105a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3106a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long reg; 3107a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 3108a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3109a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (partition >= FCRAM_NUM_PARTITIONS || 3110a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (mask & ~(u64)0x1f) != 0 || 3111a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (base & ~(u64)0x1f) != 0) 3112a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 3113a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3114a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = FLW_PRT_SEL(partition); 3115a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3116a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(reg); 3117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(FLW_PRT_SEL_EXT | FLW_PRT_SEL_MASK | FLW_PRT_SEL_BASE); 3118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (mask << FLW_PRT_SEL_MASK_SHIFT); 3119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (base << FLW_PRT_SEL_BASE_SHIFT); 3120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (enable) 3121a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= FLW_PRT_SEL_EXT; 3122a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(reg, val); 3123a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3124a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3125a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3126a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3127a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int fflp_disable_all_partitions(struct niu *np) 3128a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3129a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 3130a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3131a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < FCRAM_NUM_PARTITIONS; i++) { 3132a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = fflp_set_partition(np, 0, 0, 0, 0); 3133a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 3134a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 3135a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3136a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3137a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3138a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3139a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void fflp_llcsnap_enable(struct niu *np, int on) 3140a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3141a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(FFLP_CFG_1); 3142a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3143a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 3144a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= FFLP_CFG_1_LLCSNAP; 3145a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 3146a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~FFLP_CFG_1_LLCSNAP; 3147a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, val); 3148a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3149a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3150a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void fflp_errors_enable(struct niu *np, int on) 3151a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3152a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(FFLP_CFG_1); 3153a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3154a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 3155a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~FFLP_CFG_1_ERRORDIS; 3156a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 3157a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= FFLP_CFG_1_ERRORDIS; 3158a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FFLP_CFG_1, val); 3159a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3160a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3161a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int fflp_hash_clear(struct niu *np) 3162a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3163a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct fcram_hash_ipv4 ent; 3164a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 3165a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3166a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* IPV4 hash entry with valid bit clear, rest is don't care. */ 3167a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memset(&ent, 0, sizeof(ent)); 3168a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ent.header = HASH_HEADER_EXT; 3169a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3170a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < FCRAM_SIZE; i += sizeof(ent)) { 3171a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = hash_write(np, 0, i, 1, (u64 *) &ent); 3172a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 3173a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 3174a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3175a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3176a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3177a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3178a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int fflp_early_init(struct niu *np) 3179a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3180a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent; 3181a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 3182a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 3183a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3184a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_lock_parent(np, flags); 3185a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3186a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent = np->parent; 3187a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 3188a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(parent->flags & PARENT_FLGS_CLS_HWINIT)) { 3189a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type != PLAT_TYPE_NIU) { 3190a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller fflp_reset(np); 3191a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller fflp_set_timings(np); 3192a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = fflp_disable_all_partitions(np); 3193a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 3194f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 3195f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "fflp_disable_all_partitions failed, err=%d\n", 3196f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches err); 3197a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 3198a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3199a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3200a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3201a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = tcam_early_init(np); 3202a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 3203f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 3204f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "tcam_early_init failed, err=%d\n", err); 3205a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 3206a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3207a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller fflp_llcsnap_enable(np, 1); 3208a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller fflp_errors_enable(np, 0); 3209a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(H1POLY, 0); 3210a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(H2POLY, 0); 3211a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3212a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = tcam_flush_all(np); 3213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 3214f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 3215f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "tcam_flush_all failed, err=%d\n", err); 3216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 3217a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3218a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type != PLAT_TYPE_NIU) { 3219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = fflp_hash_clear(np); 3220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 3221f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 3222f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "fflp_hash_clear failed, err=%d\n", 3223f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches err); 3224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 3225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3227a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3228a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller vlan_tbl_clear(np); 3229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->flags |= PARENT_FLGS_CLS_HWINIT; 3231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout: 3233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_unlock_parent(np, flags); 3234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 3235a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3236a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3237a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_flow_key(struct niu *np, unsigned long class_code, u64 key) 3238a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3239a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (class_code < CLASS_CODE_USER_PROG1 || 3240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller class_code > CLASS_CODE_SCTP_IPV6) 3241a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 3242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3243a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(FLOW_KEY(class_code - CLASS_CODE_USER_PROG1), key); 3244a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3245a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3246a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3247a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_tcam_key(struct niu *np, unsigned long class_code, u64 key) 3248a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3249a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (class_code < CLASS_CODE_USER_PROG1 || 3250a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller class_code > CLASS_CODE_SCTP_IPV6) 3251a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 3252a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3253a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TCAM_KEY(class_code - CLASS_CODE_USER_PROG1), key); 3254a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3255a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3256a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 32572d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera/* Entries for the ports are interleaved in the TCAM */ 32582d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic u16 tcam_get_index(struct niu *np, u16 idx) 32592d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 32602d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* One entry reserved for IP fragment rule */ 32612d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (idx >= (np->clas.tcam_sz - 1)) 32622d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera idx = 0; 3263807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return np->clas.tcam_top + ((idx+1) * np->parent->num_ports); 32642d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 32652d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 32662d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic u16 tcam_get_size(struct niu *np) 32672d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 32682d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* One entry reserved for IP fragment rule */ 32692d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return np->clas.tcam_sz - 1; 32702d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 32712d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 32722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic u16 tcam_get_valid_entry_cnt(struct niu *np) 32732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 32742d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* One entry reserved for IP fragment rule */ 32752d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return np->clas.tcam_valid_entries - 1; 32762d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 32772d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 3278a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_rx_skb_append(struct sk_buff *skb, struct page *page, 3279e7e5a4033f765e2a37095cd0a73261c99840f77eEric Dumazet u32 offset, u32 size, u32 truesize) 3280a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3281e7e5a4033f765e2a37095cd0a73261c99840f77eEric Dumazet skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, page, offset, size); 3282a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3283a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller skb->len += size; 3284a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller skb->data_len += size; 3285e7e5a4033f765e2a37095cd0a73261c99840f77eEric Dumazet skb->truesize += truesize; 3286a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3287a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3288a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic unsigned int niu_hash_rxaddr(struct rx_ring_info *rp, u64 a) 3289a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3290a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller a >>= PAGE_SHIFT; 3291a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller a ^= (a >> ilog2(MAX_RBR_RING_SIZE)); 3292a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3293807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return a & (MAX_RBR_RING_SIZE - 1); 3294a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3295a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3296a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic struct page *niu_find_rxpage(struct rx_ring_info *rp, u64 addr, 3297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct page ***link) 3298a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3299a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int h = niu_hash_rxaddr(rp, addr); 3300a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct page *p, **pp; 3301a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3302a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller addr &= PAGE_MASK; 3303a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pp = &rp->rxhash[h]; 3304a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (; (p = *pp) != NULL; pp = (struct page **) &p->mapping) { 3305a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (p->index == addr) { 3306a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *link = pp; 3307a038716957d3888a595014a660b1db1f28946f62David S. Miller goto found; 3308a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3310a038716957d3888a595014a660b1db1f28946f62David S. Miller BUG(); 3311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3312a038716957d3888a595014a660b1db1f28946f62David S. Millerfound: 3313a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return p; 3314a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3315a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3316a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_hash_page(struct rx_ring_info *rp, struct page *page, u64 base) 3317a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3318a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int h = niu_hash_rxaddr(rp, base); 3319a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3320a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page->index = base; 3321a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page->mapping = (struct address_space *) rp->rxhash[h]; 3322a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rxhash[h] = page; 3323a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3324a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3325a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp, 3326a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller gfp_t mask, int start_index) 3327a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3328a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct page *page; 3329a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 addr; 3330a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 3331a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3332a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page = alloc_page(mask); 3333a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!page) 3334a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENOMEM; 3335a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3336a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller addr = np->ops->map_page(np->device, page, 0, 3337a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PAGE_SIZE, DMA_FROM_DEVICE); 3338a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3339a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_hash_page(rp, page, addr); 3340a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->rbr_blocks_per_page > 1) 3341a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller atomic_add(rp->rbr_blocks_per_page - 1, 3342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &compound_head(page)->_count); 3343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3344a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < rp->rbr_blocks_per_page; i++) { 3345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __le32 *rbr = &rp->rbr[start_index + i]; 3346a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3347a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *rbr = cpu_to_le32(addr >> RBR_DESCR_ADDR_SHIFT); 3348a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller addr += rp->rbr_block_size; 3349a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3350a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3351a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 3352a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3353a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3354a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_rbr_refill(struct niu *np, struct rx_ring_info *rp, gfp_t mask) 3355a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3356a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int index = rp->rbr_index; 3357a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3358a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_pending++; 3359a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((rp->rbr_pending % rp->rbr_blocks_per_page) == 0) { 3360a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = niu_rbr_add_page(np, rp, mask, index); 3361a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3362a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (unlikely(err)) { 3363a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_pending--; 3364a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 3365a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3366a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3367a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_index += rp->rbr_blocks_per_page; 3368a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BUG_ON(rp->rbr_index > rp->rbr_table_size); 3369a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->rbr_index == rp->rbr_table_size) 3370a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_index = 0; 3371a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3372a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->rbr_pending >= rp->rbr_kick_thresh) { 3373a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RBR_KICK(rp->rx_channel), rp->rbr_pending); 3374a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_pending = 0; 3375a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3376a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3377a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3378a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3379a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_rx_pkt_ignore(struct niu *np, struct rx_ring_info *rp) 3380a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3381a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int index = rp->rcr_index; 3382a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int num_rcr = 0; 3383a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3384a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rx_dropped++; 3385a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (1) { 3386a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct page *page, **link; 3387a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 addr, val; 3388a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 rcr_size; 3389a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3390a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_rcr++; 3391a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3392a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = le64_to_cpup(&rp->rcr[index]); 3393a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller addr = (val & RCR_ENTRY_PKT_BUF_ADDR) << 3394a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RCR_ENTRY_PKT_BUF_ADDR_SHIFT; 3395a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page = niu_find_rxpage(rp, addr, &link); 3396a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3397a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rcr_size = rp->rbr_sizes[(val & RCR_ENTRY_PKTBUFSZ) >> 3398a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RCR_ENTRY_PKTBUFSZ_SHIFT]; 3399a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((page->index + PAGE_SIZE) - rcr_size == addr) { 3400a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *link = (struct page *) page->mapping; 3401a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->unmap_page(np->device, page->index, 3402a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PAGE_SIZE, DMA_FROM_DEVICE); 3403a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page->index = 0; 3404a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page->mapping = NULL; 3405a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __free_page(page); 3406a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_refill_pending++; 3407a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3408a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3409a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller index = NEXT_RCR(rp, index); 3410a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(val & RCR_ENTRY_MULTI)) 3411a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 3412a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3413a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3414a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr_index = index; 3415a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3416a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return num_rcr; 3417a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3418a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 34194099e01224e2afcaeea439cd92db3e7cf6e0f84fDavid S. Millerstatic int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np, 34204099e01224e2afcaeea439cd92db3e7cf6e0f84fDavid S. Miller struct rx_ring_info *rp) 3421a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3422a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int index = rp->rcr_index; 34233cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller struct rx_pkt_hdr1 *rh; 3424a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct sk_buff *skb; 3425a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int len, num_rcr; 3426a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3427a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller skb = netdev_alloc_skb(np->dev, RX_SKB_ALLOC_SIZE); 3428a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (unlikely(!skb)) 3429a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_rx_pkt_ignore(np, rp); 3430a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3431a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_rcr = 0; 3432a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (1) { 3433a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct page *page, **link; 3434a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 rcr_size, append_size; 3435a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 addr, val, off; 3436a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3437a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_rcr++; 3438a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3439a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = le64_to_cpup(&rp->rcr[index]); 3440a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3441a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = (val & RCR_ENTRY_L2_LEN) >> 3442a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RCR_ENTRY_L2_LEN_SHIFT; 3443a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len -= ETH_FCS_LEN; 3444a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3445a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller addr = (val & RCR_ENTRY_PKT_BUF_ADDR) << 3446a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RCR_ENTRY_PKT_BUF_ADDR_SHIFT; 3447a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page = niu_find_rxpage(rp, addr, &link); 3448a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3449a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rcr_size = rp->rbr_sizes[(val & RCR_ENTRY_PKTBUFSZ) >> 3450a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RCR_ENTRY_PKTBUFSZ_SHIFT]; 3451a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3452a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller off = addr & ~PAGE_MASK; 3453a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller append_size = rcr_size; 3454a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (num_rcr == 1) { 3455a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ptype; 3456a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3457a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ptype = (val >> RCR_ENTRY_PKT_TYPE_SHIFT); 3458a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((ptype == RCR_PKT_TYPE_TCP || 3459a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ptype == RCR_PKT_TYPE_UDP) && 3460a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller !(val & (RCR_ENTRY_NOPORT | 3461a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RCR_ENTRY_ERROR))) 3462a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller skb->ip_summed = CHECKSUM_UNNECESSARY; 3463a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 3464bc8acf2c8c3e43fcc192762a9f964b3e9a17748bEric Dumazet skb_checksum_none_assert(skb); 34653cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller } else if (!(val & RCR_ENTRY_MULTI)) 3466a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller append_size = len - skb->len; 3467a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3468e7e5a4033f765e2a37095cd0a73261c99840f77eEric Dumazet niu_rx_skb_append(skb, page, off, append_size, rcr_size); 3469a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((page->index + rp->rbr_block_size) - rcr_size == addr) { 3470a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *link = (struct page *) page->mapping; 3471a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->unmap_page(np->device, page->index, 3472a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PAGE_SIZE, DMA_FROM_DEVICE); 3473a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page->index = 0; 3474a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page->mapping = NULL; 3475a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_refill_pending++; 3476a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else 3477a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller get_page(page); 3478a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3479a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller index = NEXT_RCR(rp, index); 3480a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(val & RCR_ENTRY_MULTI)) 3481a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 3482a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3483a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3484a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr_index = index; 3485a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 34863cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller len += sizeof(*rh); 34873cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller len = min_t(int, len, sizeof(*rh) + VLAN_ETH_HLEN); 34883cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller __pskb_pull_tail(skb, len); 34893cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller 34903cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller rh = (struct rx_pkt_hdr1 *) skb->data; 34913cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller if (np->dev->features & NETIF_F_RXHASH) 34923cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller skb->rxhash = ((u32)rh->hashval2_0 << 24 | 34933cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller (u32)rh->hashval2_1 << 16 | 34943cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller (u32)rh->hashval1_1 << 8 | 34953cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller (u32)rh->hashval1_2 << 0); 34963cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller skb_pull(skb, sizeof(*rh)); 3497a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3498a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rx_packets++; 3499a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rx_bytes += skb->len; 3500a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3501a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller skb->protocol = eth_type_trans(skb, np->dev); 35020c8dfc830aadd978e461dad66c33741b71c6a0beDavid S. Miller skb_record_rx_queue(skb, rp->rx_channel); 35034099e01224e2afcaeea439cd92db3e7cf6e0f84fDavid S. Miller napi_gro_receive(napi, skb); 3504a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3505a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return num_rcr; 3506a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3507a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3508a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_rbr_fill(struct niu *np, struct rx_ring_info *rp, gfp_t mask) 3509a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3510a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int blocks_per_page = rp->rbr_blocks_per_page; 3511a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, index = rp->rbr_index; 3512a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3513a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 3514a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (index < (rp->rbr_table_size - blocks_per_page)) { 3515a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_rbr_add_page(np, rp, mask, index); 3516a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 3517a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 3518a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3519a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller index += blocks_per_page; 3520a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3521a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3522a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_index = index; 3523a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 3524a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3525a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3526a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_rbr_free(struct niu *np, struct rx_ring_info *rp) 3527a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3528a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 3529a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3530a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < MAX_RBR_RING_SIZE; i++) { 3531a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct page *page; 3532a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3533a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page = rp->rxhash[i]; 3534a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (page) { 3535a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct page *next = (struct page *) page->mapping; 3536a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 base = page->index; 3537a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3538a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->unmap_page(np->device, base, PAGE_SIZE, 3539a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller DMA_FROM_DEVICE); 3540a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page->index = 0; 3541a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page->mapping = NULL; 3542a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3543a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __free_page(page); 3544a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3545a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller page = next; 3546a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3547a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3548a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3549a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < rp->rbr_table_size; i++) 3550a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr[i] = cpu_to_le32(0); 3551a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_index = 0; 3552a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3553a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3554a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int release_tx_packet(struct niu *np, struct tx_ring_info *rp, int idx) 3555a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3556a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_buff_info *tb = &rp->tx_buffs[idx]; 3557a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct sk_buff *skb = tb->skb; 3558a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_pkt_hdr *tp; 3559a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 tx_flags; 3560a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, len; 3561a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3562a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp = (struct tx_pkt_hdr *) skb->data; 3563a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tx_flags = le64_to_cpup(&tp->flags); 3564a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3565a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_packets++; 3566a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_bytes += (((tx_flags & TXHDR_LEN) >> TXHDR_LEN_SHIFT) - 3567a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((tx_flags & TXHDR_PAD) / 2)); 3568a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3569a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = skb_headlen(skb); 3570a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->unmap_single(np->device, tb->mapping, 3571a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len, DMA_TO_DEVICE); 3572a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3573a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (le64_to_cpu(rp->descr[idx]) & TX_DESC_MARK) 3574a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mark_pending--; 3575a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3576a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tb->skb = NULL; 3577a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller do { 3578a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller idx = NEXT_TX(rp, idx); 3579a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len -= MAX_TX_DESC_LEN; 3580a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } while (len > 0); 3581a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3582a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { 3583a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tb = &rp->tx_buffs[idx]; 3584a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BUG_ON(tb->skb != NULL); 3585a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->unmap_page(np->device, tb->mapping, 35869e903e085262ffbf1fc44a17ac06058aca03524aEric Dumazet skb_frag_size(&skb_shinfo(skb)->frags[i]), 3587a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller DMA_TO_DEVICE); 3588a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller idx = NEXT_TX(rp, idx); 3589a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3590a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3591a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_kfree_skb(skb); 3592a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3593a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return idx; 3594a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3595a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3596a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define NIU_TX_WAKEUP_THRESH(rp) ((rp)->pending / 4) 3597a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3598a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_tx_work(struct niu *np, struct tx_ring_info *rp) 3599a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3600b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller struct netdev_queue *txq; 3601a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 pkt_cnt, tmp; 3602b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller int cons, index; 3603a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 cs; 3604a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3605b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller index = (rp - np->tx_rings); 3606b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller txq = netdev_get_tx_queue(np->dev, index); 3607b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller 3608a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cs = rp->tx_cs; 3609a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (unlikely(!(cs & (TX_CS_MK | TX_CS_MMK)))) 3610a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 3611a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3612a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tmp = pkt_cnt = (cs & TX_CS_PKT_CNT) >> TX_CS_PKT_CNT_SHIFT; 3613a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pkt_cnt = (pkt_cnt - rp->last_pkt_cnt) & 3614a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (TX_CS_PKT_CNT >> TX_CS_PKT_CNT_SHIFT); 3615a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3616a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->last_pkt_cnt = tmp; 3617a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3618a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cons = rp->cons; 3619a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3620f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, tx_done, KERN_DEBUG, np->dev, 3621f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "%s() pkt_cnt[%u] cons[%d]\n", __func__, pkt_cnt, cons); 3622a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 362343d950abdab622bf97d0a0c233809f88a3eb6240David S. Miller while (pkt_cnt--) 3624a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cons = release_tx_packet(np, rp, cons); 3625a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3626a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->cons = cons; 3627a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller smp_mb(); 3628a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3629a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout: 3630b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller if (unlikely(netif_tx_queue_stopped(txq) && 3631a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)))) { 3632b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller __netif_tx_lock(txq, smp_processor_id()); 3633b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller if (netif_tx_queue_stopped(txq) && 3634a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp))) 3635b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller netif_tx_wake_queue(txq); 3636b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller __netif_tx_unlock(txq); 3637a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3638a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3639a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3640b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouerstatic inline void niu_sync_rx_discard_stats(struct niu *np, 3641b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer struct rx_ring_info *rp, 3642b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer const int limit) 3643b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer{ 3644b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer /* This elaborate scheme is needed for reading the RX discard 3645b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * counters, as they are only 16-bit and can overflow quickly, 3646b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * and because the overflow indication bit is not usable as 3647b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * the counter value does not wrap, but remains at max value 3648b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * 0xFFFF. 3649b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * 3650b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * In theory and in practice counters can be lost in between 3651b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * reading nr64() and clearing the counter nw64(). For this 3652b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * reason, the number of counter clearings nw64() is 3653b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * limited/reduced though the limit parameter. 3654b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer */ 3655b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer int rx_channel = rp->rx_channel; 3656b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer u32 misc, wred; 3657b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer 3658b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer /* RXMISC (Receive Miscellaneous Discard Count), covers the 3659b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * following discard events: IPP (Input Port Process), 3660b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * FFLP/TCAM, Full RCR (Receive Completion Ring) RBR (Receive 3661b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer * Block Ring) prefetch buffer is empty. 3662b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer */ 3663b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer misc = nr64(RXMISC(rx_channel)); 3664b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer if (unlikely((misc & RXMISC_COUNT) > limit)) { 3665b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer nw64(RXMISC(rx_channel), 0); 3666b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer rp->rx_errors += misc & RXMISC_COUNT; 3667b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer 3668b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer if (unlikely(misc & RXMISC_OFLOW)) 3669f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "rx-%d: Counter overflow RXMISC discard\n", 3670f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rx_channel); 3671d231776fda4a1ed754298720c5fbc29eb34f130cJesper Dangaard Brouer 3672f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, rx_err, KERN_DEBUG, np->dev, 3673f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "rx-%d: MISC drop=%u over=%u\n", 3674f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rx_channel, misc, misc-limit); 3675b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer } 3676b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer 3677b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer /* WRED (Weighted Random Early Discard) by hardware */ 3678b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer wred = nr64(RED_DIS_CNT(rx_channel)); 3679b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer if (unlikely((wred & RED_DIS_CNT_COUNT) > limit)) { 3680b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer nw64(RED_DIS_CNT(rx_channel), 0); 3681b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer rp->rx_dropped += wred & RED_DIS_CNT_COUNT; 3682b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer 3683b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer if (unlikely(wred & RED_DIS_CNT_OFLOW)) 3684f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "rx-%d: Counter overflow WRED discard\n", rx_channel); 3685d231776fda4a1ed754298720c5fbc29eb34f130cJesper Dangaard Brouer 3686f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, rx_err, KERN_DEBUG, np->dev, 3687f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "rx-%d: WRED drop=%u over=%u\n", 3688f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rx_channel, wred, wred-limit); 3689b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer } 3690b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer} 3691b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer 36924099e01224e2afcaeea439cd92db3e7cf6e0f84fDavid S. Millerstatic int niu_rx_work(struct napi_struct *napi, struct niu *np, 36934099e01224e2afcaeea439cd92db3e7cf6e0f84fDavid S. Miller struct rx_ring_info *rp, int budget) 3694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int qlen, rcr_done = 0, work_done = 0; 3696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rxdma_mailbox *mbox = rp->mbox; 3697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 stat; 3698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#if 1 3700a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel)); 3701a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller qlen = nr64(RCRSTAT_A(rp->rx_channel)) & RCRSTAT_A_QLEN; 3702a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#else 3703a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller stat = le64_to_cpup(&mbox->rx_dma_ctl_stat); 3704a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller qlen = (le64_to_cpup(&mbox->rcrstat_a) & RCRSTAT_A_QLEN); 3705a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 3706a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mbox->rx_dma_ctl_stat = 0; 3707a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mbox->rcrstat_a = 0; 3708a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3709f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, rx_status, KERN_DEBUG, np->dev, 3710f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "%s(chan[%d]), stat[%llx] qlen=%d\n", 3711f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches __func__, rp->rx_channel, (unsigned long long)stat, qlen); 3712a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3713a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rcr_done = work_done = 0; 3714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller qlen = min(qlen, budget); 3715a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (work_done < qlen) { 37164099e01224e2afcaeea439cd92db3e7cf6e0f84fDavid S. Miller rcr_done += niu_process_rx_pkt(napi, np, rp); 3717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller work_done++; 3718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3719a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->rbr_refill_pending >= rp->rbr_kick_thresh) { 3721a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int i; 3722a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < rp->rbr_refill_pending; i++) 3724a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_rbr_refill(np, rp, GFP_ATOMIC); 3725a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_refill_pending = 0; 3726a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3727a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3728a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller stat = (RX_DMA_CTL_STAT_MEX | 3729a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)work_done << RX_DMA_CTL_STAT_PKTREAD_SHIFT) | 3730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)rcr_done << RX_DMA_CTL_STAT_PTRREAD_SHIFT)); 3731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat); 3733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3734e98def1f71fa0a6a37e12a56eb52ce5ed9e2e800Jesper Dangaard Brouer /* Only sync discards stats when qlen indicate potential for drops */ 3735e98def1f71fa0a6a37e12a56eb52ce5ed9e2e800Jesper Dangaard Brouer if (qlen > 10) 3736e98def1f71fa0a6a37e12a56eb52ce5ed9e2e800Jesper Dangaard Brouer niu_sync_rx_discard_stats(np, rp, 0x7FFF); 3737b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer 3738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return work_done; 3739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3741a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_poll_core(struct niu *np, struct niu_ldg *lp, int budget) 3742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3743a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 v0 = lp->v0; 3744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 tx_vec = (v0 >> 32); 3745a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 rx_vec = (v0 & 0xffffffff); 3746a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, work_done = 0; 3747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3748f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, intr, KERN_DEBUG, np->dev, 3749f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "%s() v0[%016llx]\n", __func__, (unsigned long long)v0); 3750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 3752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 3753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (tx_vec & (1 << rp->tx_channel)) 3754a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_tx_work(np, rp); 3755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(LD_IM0(LDN_TXDMA(rp->tx_channel)), 0); 3756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 3759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 3760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rx_vec & (1 << rp->rx_channel)) { 3762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int this_work_done; 3763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 37644099e01224e2afcaeea439cd92db3e7cf6e0f84fDavid S. Miller this_work_done = niu_rx_work(&lp->napi, np, rp, 3765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller budget); 3766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller budget -= this_work_done; 3768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller work_done += this_work_done; 3769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(LD_IM0(LDN_RXDMA(rp->rx_channel)), 0); 3771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return work_done; 3774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_poll(struct napi_struct *napi, int budget) 3777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_ldg *lp = container_of(napi, struct niu_ldg, napi); 3779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = lp->np; 3780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int work_done; 3781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3782a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller work_done = niu_poll_core(np, lp, budget); 3783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (work_done < budget) { 3785288379f050284087578b77e04f040b57db3db3f8Ben Hutchings napi_complete(napi); 3786a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ldg_rearm(np, lp, 1); 3787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3788a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return work_done; 3789a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_log_rxchan_errors(struct niu *np, struct rx_ring_info *rp, 3792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 stat) 3793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3794f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "RX channel %u errors ( ", rp->rx_channel); 3795a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3796a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RBR_TMOUT) 3797f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RBR_TMOUT "); 3798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RSP_CNT_ERR) 3799f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RSP_CNT "); 3800a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_BYTE_EN_BUS) 3801f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("BYTE_EN_BUS "); 3802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RSP_DAT_ERR) 3803f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RSP_DAT "); 3804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RCR_ACK_ERR) 3805f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RCR_ACK "); 3806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RCR_SHA_PAR) 3807f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RCR_SHA_PAR "); 3808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RBR_PRE_PAR) 3809f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RBR_PRE_PAR "); 3810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_CONFIG_ERR) 3811f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("CONFIG "); 3812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RCRINCON) 3813f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RCRINCON "); 3814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RCRFULL) 3815f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RCRFULL "); 3816a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RBRFULL) 3817f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RBRFULL "); 3818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_RBRLOGPAGE) 3819f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RBRLOGPAGE "); 3820a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_CFIGLOGPAGE) 3821f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("CFIGLOGPAGE "); 3822a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & RX_DMA_CTL_STAT_DC_FIFO_ERR) 3823f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("DC_FIDO "); 3824a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3825f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont(")\n"); 3826a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3827a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3828a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_rx_error(struct niu *np, struct rx_ring_info *rp) 3829a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3830a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel)); 3831a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = 0; 3832a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3833a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3834a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & (RX_DMA_CTL_STAT_CHAN_FATAL | 3835a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RX_DMA_CTL_STAT_PORT_FATAL)) 3836a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -EINVAL; 3837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3838406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku if (err) { 3839f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "RX channel %u error, stat[%llx]\n", 3840f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rp->rx_channel, 3841f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long) stat); 3842406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku 3843406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku niu_log_rxchan_errors(np, rp, stat); 3844406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku } 3845406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku 3846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_CTL_STAT(rp->rx_channel), 3847a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller stat & RX_DMA_CTL_WRITE_CLEAR_ERRS); 3848a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3849a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 3850a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3851a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3852a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_log_txchan_errors(struct niu *np, struct tx_ring_info *rp, 3853a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 cs) 3854a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3855f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "TX channel %u errors ( ", rp->tx_channel); 3856a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3857a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (cs & TX_CS_MBOX_ERR) 3858f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("MBOX "); 3859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (cs & TX_CS_PKT_SIZE_ERR) 3860f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("PKT_SIZE "); 3861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (cs & TX_CS_TX_RING_OFLOW) 3862f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("TX_RING_OFLOW "); 3863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (cs & TX_CS_PREF_BUF_PAR_ERR) 3864f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("PREF_BUF_PAR "); 3865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (cs & TX_CS_NACK_PREF) 3866f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("NACK_PREF "); 3867a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (cs & TX_CS_NACK_PKT_RD) 3868f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("NACK_PKT_RD "); 3869a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (cs & TX_CS_CONF_PART_ERR) 3870f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("CONF_PART "); 3871a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (cs & TX_CS_PKT_PRT_ERR) 3872f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("PKT_PTR "); 3873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3874f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont(")\n"); 3875a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3877a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_tx_error(struct niu *np, struct tx_ring_info *rp) 3878a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3879a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 cs, logh, logl; 3880a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cs = nr64(TX_CS(rp->tx_channel)); 3882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller logh = nr64(TX_RNG_ERR_LOGH(rp->tx_channel)); 3883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller logl = nr64(TX_RNG_ERR_LOGL(rp->tx_channel)); 3884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3885f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "TX channel %u error, cs[%llx] logh[%llx] logl[%llx]\n", 3886f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rp->tx_channel, 3887f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)cs, 3888f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)logh, 3889f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)logl); 3890a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_log_txchan_errors(np, rp, cs); 3892a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3893a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 3894a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3896a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_mif_interrupt(struct niu *np) 3897a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3898a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 mif_status = nr64(MIF_STATUS); 3899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int phy_mdint = 0; 3900a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3901a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) { 3902a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 xrxmac_stat = nr64_mac(XRXMAC_STATUS); 3903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (xrxmac_stat & XRXMAC_STATUS_PHY_MDINT) 3905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_mdint = 1; 3906a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 3907a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3908f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "MIF interrupt, stat[%llx] phy_mdint(%d)\n", 3909f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)mif_status, phy_mdint); 3910a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3911a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 3912a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3913a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3914a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_xmac_interrupt(struct niu *np) 3915a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3916a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_xmac_stats *mp = &np->mac_stats.xmac; 3917a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 3918a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3919a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XTXMAC_STATUS); 3920a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XTXMAC_STATUS_FRAME_CNT_EXP) 3921a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_frames += TXMAC_FRM_CNT_COUNT; 3922a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XTXMAC_STATUS_BYTE_CNT_EXP) 3923a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_bytes += TXMAC_BYTE_CNT_COUNT; 3924a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XTXMAC_STATUS_TXFIFO_XFR_ERR) 3925a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_fifo_errors++; 3926a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XTXMAC_STATUS_TXMAC_OFLOW) 3927a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_overflow_errors++; 3928a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XTXMAC_STATUS_MAX_PSIZE_ERR) 3929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_max_pkt_size_errors++; 3930a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XTXMAC_STATUS_TXMAC_UFLOW) 3931a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_underflow_errors++; 3932a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3933a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XRXMAC_STATUS); 3934a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_LCL_FLT_STATUS) 3935a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_local_faults++; 3936a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RFLT_DET) 3937a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_remote_faults++; 3938a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_LFLT_CNT_EXP) 3939a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_link_faults += LINK_FAULT_CNT_COUNT; 3940a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_ALIGNERR_CNT_EXP) 3941a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_align_errors += RXMAC_ALIGN_ERR_CNT_COUNT; 3942a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXFRAG_CNT_EXP) 3943a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_frags += RXMAC_FRAG_CNT_COUNT; 3944a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXMULTF_CNT_EXP) 3945a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_mcasts += RXMAC_MC_FRM_CNT_COUNT; 3946a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP) 3947a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT; 3948a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP) 3949a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT; 3950a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXHIST1_CNT_EXP) 3951a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt1 += RXMAC_HIST_CNT1_COUNT; 3952a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXHIST2_CNT_EXP) 3953a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt2 += RXMAC_HIST_CNT2_COUNT; 3954a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXHIST3_CNT_EXP) 3955a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt3 += RXMAC_HIST_CNT3_COUNT; 3956a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXHIST4_CNT_EXP) 3957a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt4 += RXMAC_HIST_CNT4_COUNT; 3958a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXHIST5_CNT_EXP) 3959a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt5 += RXMAC_HIST_CNT5_COUNT; 3960a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXHIST6_CNT_EXP) 3961a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt6 += RXMAC_HIST_CNT6_COUNT; 3962a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXHIST7_CNT_EXP) 3963a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt7 += RXMAC_HIST_CNT7_COUNT; 3964176edd52366d59350717b0bf6865b1d7ece156ccJulia Lawall if (val & XRXMAC_STATUS_RXOCTET_CNT_EXP) 3965a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_octets += RXMAC_BT_CNT_COUNT; 3966a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_CVIOLERR_CNT_EXP) 3967a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_code_violations += RXMAC_CD_VIO_CNT_COUNT; 3968a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_LENERR_CNT_EXP) 3969a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_len_errors += RXMAC_MPSZER_CNT_COUNT; 3970a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_CRCERR_CNT_EXP) 3971a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_crc_errors += RXMAC_CRC_ER_CNT_COUNT; 3972a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXUFLOW) 3973a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_underflows++; 3974a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XRXMAC_STATUS_RXOFLOW) 3975a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_overflows++; 3976a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3977a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XMAC_FC_STAT); 3978a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XMAC_FC_STAT_TX_MAC_NPAUSE) 3979a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->pause_off_state++; 3980a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XMAC_FC_STAT_TX_MAC_PAUSE) 3981a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->pause_on_state++; 3982a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & XMAC_FC_STAT_RX_MAC_RPAUSE) 3983a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->pause_received++; 3984a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 3985a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3986a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_bmac_interrupt(struct niu *np) 3987a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 3988a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_bmac_stats *mp = &np->mac_stats.bmac; 3989a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 3990a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 3991a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(BTXMAC_STATUS); 3992a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BTXMAC_STATUS_UNDERRUN) 3993a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_underflow_errors++; 3994a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BTXMAC_STATUS_MAX_PKT_ERR) 3995a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_max_pkt_size_errors++; 3996a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BTXMAC_STATUS_BYTE_CNT_EXP) 3997a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_bytes += BTXMAC_BYTE_CNT_COUNT; 3998a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BTXMAC_STATUS_FRAME_CNT_EXP) 3999a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_frames += BTXMAC_FRM_CNT_COUNT; 4000a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4001a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(BRXMAC_STATUS); 4002a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BRXMAC_STATUS_OVERFLOW) 4003a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_overflows++; 4004a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BRXMAC_STATUS_FRAME_CNT_EXP) 4005a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_frames += BRXMAC_FRAME_CNT_COUNT; 4006a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BRXMAC_STATUS_ALIGN_ERR_EXP) 4007a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_align_errors += BRXMAC_ALIGN_ERR_CNT_COUNT; 4008a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BRXMAC_STATUS_CRC_ERR_EXP) 4009a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_crc_errors += BRXMAC_ALIGN_ERR_CNT_COUNT; 4010a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BRXMAC_STATUS_LEN_ERR_EXP) 4011a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_len_errors += BRXMAC_CODE_VIOL_ERR_CNT_COUNT; 4012a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4013a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(BMAC_CTRL_STATUS); 4014a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BMAC_CTRL_STATUS_NOPAUSE) 4015a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->pause_off_state++; 4016a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BMAC_CTRL_STATUS_PAUSE) 4017a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->pause_on_state++; 4018a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & BMAC_CTRL_STATUS_PAUSE_RECV) 4019a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->pause_received++; 4020a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4021a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4022a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_mac_interrupt(struct niu *np) 4023a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4024a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 4025a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_xmac_interrupt(np); 4026a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 4027a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_bmac_interrupt(np); 4028a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4029a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4030a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4031a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4032a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_log_device_error(struct niu *np, u64 stat) 4033a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4034f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Core device errors ( "); 4035a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4036a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_META2) 4037f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("META2 "); 4038a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_META1) 4039f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("META1 "); 4040a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_PEU) 4041f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("PEU "); 4042a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_TXC) 4043f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("TXC "); 4044a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_RDMC) 4045f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("RDMC "); 4046a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_TDMC) 4047f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("TDMC "); 4048a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_ZCP) 4049f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("ZCP "); 4050a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_FFLP) 4051f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("FFLP "); 4052a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_IPP) 4053f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("IPP "); 4054a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_MAC) 4055f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("MAC "); 4056a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stat & SYS_ERR_MASK_SMX) 4057f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("SMX "); 4058a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4059f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont(")\n"); 4060a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4061a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4062a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_device_error(struct niu *np) 4063a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4064a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 stat = nr64(SYS_ERR_STAT); 4065a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4066f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Core device error, stat[%llx]\n", 4067f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)stat); 4068a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4069a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_log_device_error(np, stat); 4070a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4071a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 4072a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4073a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4074406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Workustatic int niu_slowpath_interrupt(struct niu *np, struct niu_ldg *lp, 4075406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku u64 v0, u64 v1, u64 v2) 4076a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4077406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku 4078a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, err = 0; 4079a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4080406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku lp->v0 = v0; 4081406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku lp->v1 = v1; 4082406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku lp->v2 = v2; 4083406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku 4084a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (v1 & 0x00000000ffffffffULL) { 4085a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 rx_vec = (v1 & 0xffffffff); 4086a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4087a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 4088a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 4089a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4090a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rx_vec & (1 << rp->rx_channel)) { 4091a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int r = niu_rx_error(np, rp); 4092406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku if (r) { 4093a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = r; 4094406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku } else { 4095406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku if (!v0) 4096406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku nw64(RX_DMA_CTL_STAT(rp->rx_channel), 4097406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku RX_DMA_CTL_STAT_MEX); 4098406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku } 4099a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4100a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4101a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4102a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (v1 & 0x7fffffff00000000ULL) { 4103a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 tx_vec = (v1 >> 32) & 0x7fffffff; 4104a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4105a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 4106a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 4107a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4108a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (tx_vec & (1 << rp->tx_channel)) { 4109a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int r = niu_tx_error(np, rp); 4110a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (r) 4111a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = r; 4112a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4113a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4114a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4115a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((v0 | v1) & 0x8000000000000000ULL) { 4116a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int r = niu_mif_interrupt(np); 4117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (r) 4118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = r; 4119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (v2) { 4121a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (v2 & 0x01ef) { 4122a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int r = niu_mac_interrupt(np); 4123a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (r) 4124a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = r; 4125a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4126a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (v2 & 0x0210) { 4127a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int r = niu_device_error(np); 4128a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (r) 4129a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = r; 4130a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4131a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4132a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4133a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4134a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_interrupts(np, 0); 4135a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4136406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku return err; 4137a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4138a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4139a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_rxchan_intr(struct niu *np, struct rx_ring_info *rp, 4140a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ldn) 4141a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4142a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rxdma_mailbox *mbox = rp->mbox; 4143a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 stat_write, stat = le64_to_cpup(&mbox->rx_dma_ctl_stat); 4144a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4145a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller stat_write = (RX_DMA_CTL_STAT_RCRTHRES | 4146a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RX_DMA_CTL_STAT_RCRTO); 4147a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat_write); 4148a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4149f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, intr, KERN_DEBUG, np->dev, 4150f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "%s() stat[%llx]\n", __func__, (unsigned long long)stat); 4151a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4152a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4153a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_txchan_intr(struct niu *np, struct tx_ring_info *rp, 4154a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ldn) 4155a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4156a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_cs = nr64(TX_CS(rp->tx_channel)); 4157a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4158f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, intr, KERN_DEBUG, np->dev, 4159f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "%s() cs[%llx]\n", __func__, (unsigned long long)rp->tx_cs); 4160a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4161a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4162a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __niu_fastpath_interrupt(struct niu *np, int ldg, u64 v0) 4163a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4164a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 4165a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 rx_vec, tx_vec; 4166a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 4167a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4168a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tx_vec = (v0 >> 32); 4169a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rx_vec = (v0 & 0xffffffff); 4170a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4171a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 4172a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 4173a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ldn = LDN_RXDMA(rp->rx_channel); 4174a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4175a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->ldg_map[ldn] != ldg) 4176a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller continue; 4177a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4178a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(LD_IM0(ldn), LD_IM0_MASK); 4179a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rx_vec & (1 << rp->rx_channel)) 4180a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_rxchan_intr(np, rp, ldn); 4181a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4182a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4183a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 4184a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 4185a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ldn = LDN_TXDMA(rp->tx_channel); 4186a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4187a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->ldg_map[ldn] != ldg) 4188a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller continue; 4189a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4190a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(LD_IM0(ldn), LD_IM0_MASK); 4191a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (tx_vec & (1 << rp->tx_channel)) 4192a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_txchan_intr(np, rp, ldn); 4193a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4194a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4195a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4196a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_schedule_napi(struct niu *np, struct niu_ldg *lp, 4197a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 v0, u64 v1, u64 v2) 4198a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4199288379f050284087578b77e04f040b57db3db3f8Ben Hutchings if (likely(napi_schedule_prep(&lp->napi))) { 4200a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->v0 = v0; 4201a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->v1 = v1; 4202a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->v2 = v2; 4203a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __niu_fastpath_interrupt(np, lp->ldg_num, v0); 4204288379f050284087578b77e04f040b57db3db3f8Ben Hutchings __napi_schedule(&lp->napi); 4205a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4206a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4207a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4208a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic irqreturn_t niu_interrupt(int irq, void *dev_id) 4209a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4210a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_ldg *lp = dev_id; 4211a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = lp->np; 4212a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ldg = lp->ldg_num; 4213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 4214a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 v0, v1, v2; 4215a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (netif_msg_intr(np)) 4217f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches printk(KERN_DEBUG KBUILD_MODNAME ": " "%s() ldg[%p](%d)", 4218f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches __func__, lp, ldg); 4219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 4221a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4222a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller v0 = nr64(LDSV0(ldg)); 4223a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller v1 = nr64(LDSV1(ldg)); 4224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller v2 = nr64(LDSV2(ldg)); 4225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (netif_msg_intr(np)) 422702b1bae5e1c0f810168037be0134685085e95e88David S. Miller pr_cont(" v0[%llx] v1[%llx] v2[%llx]\n", 4228a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) v0, 4229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) v1, 4230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) v2); 4231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (unlikely(!v0 && !v1 && !v2)) { 4233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 4234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return IRQ_NONE; 4235a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4236a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4237a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (unlikely((v0 & ((u64)1 << LDN_MIF)) || v1 || v2)) { 4238406f353c857e4b2dbddb7cd20c67941d829b8b15Matheos Worku int err = niu_slowpath_interrupt(np, lp, v0, v1, v2); 4239a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 4241a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (likely(v0 & ~((u64)1 << LDN_MIF))) 4243a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_schedule_napi(np, lp, v0, v1, v2); 4244a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 4245a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ldg_rearm(np, lp, 1); 4246a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout: 4247a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 4248a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4249a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return IRQ_HANDLED; 4250a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4251a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4252a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_free_rx_ring_info(struct niu *np, struct rx_ring_info *rp) 4253a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4254a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->mbox) { 4255a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->free_coherent(np->device, 4256a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(struct rxdma_mailbox), 4257a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mbox, rp->mbox_dma); 4258a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mbox = NULL; 4259a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4260a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->rcr) { 4261a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->free_coherent(np->device, 4262a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MAX_RCR_RING_SIZE * sizeof(__le64), 4263a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr, rp->rcr_dma); 4264a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr = NULL; 4265a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr_table_size = 0; 4266a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr_index = 0; 4267a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4268a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->rbr) { 4269a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_rbr_free(np, rp); 4270a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4271a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->free_coherent(np->device, 4272a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MAX_RBR_RING_SIZE * sizeof(__le32), 4273a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr, rp->rbr_dma); 4274a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr = NULL; 4275a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_table_size = 0; 4276a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_index = 0; 4277a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4278a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller kfree(rp->rxhash); 4279a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rxhash = NULL; 4280a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4281a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4282a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_free_tx_ring_info(struct niu *np, struct tx_ring_info *rp) 4283a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4284a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->mbox) { 4285a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->free_coherent(np->device, 4286a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(struct txdma_mailbox), 4287a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mbox, rp->mbox_dma); 4288a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mbox = NULL; 4289a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4290a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->descr) { 4291a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 4292a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4293a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < MAX_TX_RING_SIZE; i++) { 4294a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->tx_buffs[i].skb) 4295a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) release_tx_packet(np, rp, i); 4296a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4298a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops->free_coherent(np->device, 4299a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MAX_TX_RING_SIZE * sizeof(__le64), 4300a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->descr, rp->descr_dma); 4301a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->descr = NULL; 4302a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->pending = 0; 4303a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->prod = 0; 4304a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->cons = 0; 4305a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->wrap_bit = 0; 4306a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4307a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4308a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_free_channels(struct niu *np) 4310a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 4312a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4313a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->rx_rings) { 4314a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 4315a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 4316a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4317a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_free_rx_ring_info(np, rp); 4318a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4319a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller kfree(np->rx_rings); 4320a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->rx_rings = NULL; 4321a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->num_rx_rings = 0; 4322a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4323a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4324a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->tx_rings) { 4325a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 4326a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 4327a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4328a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_free_tx_ring_info(np, rp); 4329a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4330a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller kfree(np->tx_rings); 4331a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->tx_rings = NULL; 4332a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->num_tx_rings = 0; 4333a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4334a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4335a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4336a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_alloc_rx_ring_info(struct niu *np, 4337a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp) 4338a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4339a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BUILD_BUG_ON(sizeof(struct rxdma_mailbox) != 64); 4340a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4341a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rxhash = kzalloc(MAX_RBR_RING_SIZE * sizeof(struct page *), 4342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller GFP_KERNEL); 4343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!rp->rxhash) 4344a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENOMEM; 4345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4346a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mbox = np->ops->alloc_coherent(np->device, 4347a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(struct rxdma_mailbox), 4348a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &rp->mbox_dma, GFP_KERNEL); 4349a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!rp->mbox) 4350a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENOMEM; 4351a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((unsigned long)rp->mbox & (64UL - 1)) { 4352f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA mailbox %p\n", 4353f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rp->mbox); 4354a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4355a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4356a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4357a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr = np->ops->alloc_coherent(np->device, 4358a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MAX_RCR_RING_SIZE * sizeof(__le64), 4359a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &rp->rcr_dma, GFP_KERNEL); 4360a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!rp->rcr) 4361a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENOMEM; 4362a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((unsigned long)rp->rcr & (64UL - 1)) { 4363f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA RCR table %p\n", 4364f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rp->rcr); 4365a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4366a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4367a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr_table_size = MAX_RCR_RING_SIZE; 4368a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr_index = 0; 4369a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4370a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr = np->ops->alloc_coherent(np->device, 4371a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MAX_RBR_RING_SIZE * sizeof(__le32), 4372a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &rp->rbr_dma, GFP_KERNEL); 4373a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!rp->rbr) 4374a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENOMEM; 4375a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((unsigned long)rp->rbr & (64UL - 1)) { 4376f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Coherent alloc gives misaligned RXDMA RBR table %p\n", 4377f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rp->rbr); 4378a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4379a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4380a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_table_size = MAX_RBR_RING_SIZE; 4381a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_index = 0; 4382a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_pending = 0; 4383a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4384a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4385a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4386a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4387a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_set_max_burst(struct niu *np, struct tx_ring_info *rp) 4388a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4389a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int mtu = np->dev->mtu; 4390a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4391a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* These values are recommended by the HW designers for fair 4392a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * utilization of DRR amongst the rings. 4393a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 4394a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->max_burst = mtu + 32; 4395a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->max_burst > 4096) 4396a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->max_burst = 4096; 4397a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4398a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4399a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_alloc_tx_ring_info(struct niu *np, 4400a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp) 4401a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4402a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BUILD_BUG_ON(sizeof(struct txdma_mailbox) != 64); 4403a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4404a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mbox = np->ops->alloc_coherent(np->device, 4405a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(struct txdma_mailbox), 4406a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &rp->mbox_dma, GFP_KERNEL); 4407a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!rp->mbox) 4408a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENOMEM; 4409a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((unsigned long)rp->mbox & (64UL - 1)) { 4410f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Coherent alloc gives misaligned TXDMA mailbox %p\n", 4411f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rp->mbox); 4412a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4413a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4414a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4415a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->descr = np->ops->alloc_coherent(np->device, 4416a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller MAX_TX_RING_SIZE * sizeof(__le64), 4417a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &rp->descr_dma, GFP_KERNEL); 4418a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!rp->descr) 4419a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENOMEM; 4420a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((unsigned long)rp->descr & (64UL - 1)) { 4421f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "Coherent alloc gives misaligned TXDMA descr table %p\n", 4422f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches rp->descr); 4423a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4424a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4425a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4426a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->pending = MAX_TX_RING_SIZE; 4427a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->prod = 0; 4428a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->cons = 0; 4429a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->wrap_bit = 0; 4430a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4431a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* XXX make these configurable... XXX */ 4432a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mark_freq = rp->pending / 4; 4433a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4434a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_max_burst(np, rp); 4435a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4436a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4437a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4438a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4439a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_size_rbr(struct niu *np, struct rx_ring_info *rp) 4440a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 444181429973cfff7745792c877dd083eec29724ec97Olof Johansson u16 bss; 4442a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 444381429973cfff7745792c877dd083eec29724ec97Olof Johansson bss = min(PAGE_SHIFT, 15); 4444a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 444581429973cfff7745792c877dd083eec29724ec97Olof Johansson rp->rbr_block_size = 1 << bss; 444681429973cfff7745792c877dd083eec29724ec97Olof Johansson rp->rbr_blocks_per_page = 1 << (PAGE_SHIFT-bss); 4447a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4448a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_sizes[0] = 256; 4449a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_sizes[1] = 1024; 4450a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->dev->mtu > ETH_DATA_LEN) { 4451a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (PAGE_SIZE) { 4452a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 4 * 1024: 4453a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_sizes[2] = 4096; 4454a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4455a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4456a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 4457a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_sizes[2] = 8192; 4458a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4459a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4460a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 4461a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_sizes[2] = 2048; 4462a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4463a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_sizes[3] = rp->rbr_block_size; 4464a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4465a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4466a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_alloc_channels(struct niu *np) 4467a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4468a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 4469a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int first_rx_channel, first_tx_channel; 44709690c636ac118b6662f28308bee817343d9932d8David S. Miller int num_rx_rings, num_tx_rings; 44719690c636ac118b6662f28308bee817343d9932d8David S. Miller struct rx_ring_info *rx_rings; 44729690c636ac118b6662f28308bee817343d9932d8David S. Miller struct tx_ring_info *tx_rings; 4473a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, port, err; 4474a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4475a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller port = np->port; 4476a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller first_rx_channel = first_tx_channel = 0; 4477a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < port; i++) { 4478a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller first_rx_channel += parent->rxchan_per_port[i]; 4479a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller first_tx_channel += parent->txchan_per_port[i]; 4480a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4481a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 44829690c636ac118b6662f28308bee817343d9932d8David S. Miller num_rx_rings = parent->rxchan_per_port[port]; 44839690c636ac118b6662f28308bee817343d9932d8David S. Miller num_tx_rings = parent->txchan_per_port[port]; 4484a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 44859690c636ac118b6662f28308bee817343d9932d8David S. Miller rx_rings = kcalloc(num_rx_rings, sizeof(struct rx_ring_info), 44869690c636ac118b6662f28308bee817343d9932d8David S. Miller GFP_KERNEL); 4487a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 44889690c636ac118b6662f28308bee817343d9932d8David S. Miller if (!rx_rings) 4489a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_err; 4490a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 44919690c636ac118b6662f28308bee817343d9932d8David S. Miller np->num_rx_rings = num_rx_rings; 44929690c636ac118b6662f28308bee817343d9932d8David S. Miller smp_wmb(); 44939690c636ac118b6662f28308bee817343d9932d8David S. Miller np->rx_rings = rx_rings; 44949690c636ac118b6662f28308bee817343d9932d8David S. Miller 44959690c636ac118b6662f28308bee817343d9932d8David S. Miller netif_set_real_num_rx_queues(np->dev, num_rx_rings); 44969690c636ac118b6662f28308bee817343d9932d8David S. Miller 4497a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 4498a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 4499a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4500a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->np = np; 4501a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rx_channel = first_rx_channel + i; 4502a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4503a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_alloc_rx_ring_info(np, rp); 4504a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4505a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_err; 4506a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4507a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_size_rbr(np, rp); 4508a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4509a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* XXX better defaults, configurable, etc... XXX */ 4510a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->nonsyn_window = 64; 4511a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->nonsyn_threshold = rp->rcr_table_size - 64; 4512a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->syn_window = 64; 4513a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->syn_threshold = rp->rcr_table_size - 64; 4514a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr_pkt_threshold = 16; 4515a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rcr_timeout = 8; 4516a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_kick_thresh = RBR_REFILL_MIN; 4517a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->rbr_kick_thresh < rp->rbr_blocks_per_page) 4518a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->rbr_kick_thresh = rp->rbr_blocks_per_page; 4519a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4520a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_rbr_fill(np, rp, GFP_KERNEL); 4521a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4522a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4523a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4524a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 45259690c636ac118b6662f28308bee817343d9932d8David S. Miller tx_rings = kcalloc(num_tx_rings, sizeof(struct tx_ring_info), 45269690c636ac118b6662f28308bee817343d9932d8David S. Miller GFP_KERNEL); 4527a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 45289690c636ac118b6662f28308bee817343d9932d8David S. Miller if (!tx_rings) 4529a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_err; 4530a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 45319690c636ac118b6662f28308bee817343d9932d8David S. Miller np->num_tx_rings = num_tx_rings; 45329690c636ac118b6662f28308bee817343d9932d8David S. Miller smp_wmb(); 45339690c636ac118b6662f28308bee817343d9932d8David S. Miller np->tx_rings = tx_rings; 45349690c636ac118b6662f28308bee817343d9932d8David S. Miller 45359690c636ac118b6662f28308bee817343d9932d8David S. Miller netif_set_real_num_tx_queues(np->dev, num_tx_rings); 45369690c636ac118b6662f28308bee817343d9932d8David S. Miller 4537a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 4538a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 4539a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4540a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->np = np; 4541a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_channel = first_tx_channel + i; 4542a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4543a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_alloc_tx_ring_info(np, rp); 4544a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4545a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_err; 4546a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4547a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4548a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4549a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4550a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_err: 4551a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_free_channels(np); 4552a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4553a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4554a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4555a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_tx_cs_sng_poll(struct niu *np, int channel) 4556a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4557a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit = 1000; 4558a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4559a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit > 0) { 4560a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(TX_CS(channel)); 4561a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (val & TX_CS_SNG_STATE) 4562a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4563a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4564a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 4565a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4566a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4567a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_tx_channel_stop(struct niu *np, int channel) 4568a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4569a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(TX_CS(channel)); 4570a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4571a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= TX_CS_STOP_N_GO; 4572a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_CS(channel), val); 4573a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4574a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_tx_cs_sng_poll(np, channel); 4575a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4576a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4577a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_tx_cs_reset_poll(struct niu *np, int channel) 4578a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4579a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit = 1000; 4580a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4581a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit > 0) { 4582a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(TX_CS(channel)); 4583a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(val & TX_CS_RST)) 4584a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4585a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4586a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 4587a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4588a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4589a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_tx_channel_reset(struct niu *np, int channel) 4590a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4591a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(TX_CS(channel)); 4592a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 4593a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4594a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= TX_CS_RST; 4595a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_CS(channel), val); 4596a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4597a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_tx_cs_reset_poll(np, channel); 4598a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 4599a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_RING_KICK(channel), 0); 4600a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4601a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4602a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4603a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4604a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_tx_channel_lpage_init(struct niu *np, int channel) 4605a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4606a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 4607a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4608a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_LOG_MASK1(channel), 0); 4609a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_LOG_VAL1(channel), 0); 4610a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_LOG_MASK2(channel), 0); 4611a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_LOG_VAL2(channel), 0); 4612a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_LOG_PAGE_RELO1(channel), 0); 4613a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_LOG_PAGE_RELO2(channel), 0); 4614a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_LOG_PAGE_HDL(channel), 0); 4615a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4616a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (u64)np->port << TX_LOG_PAGE_VLD_FUNC_SHIFT; 4617a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (TX_LOG_PAGE_VLD_PAGE0 | TX_LOG_PAGE_VLD_PAGE1); 4618a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_LOG_PAGE_VLD(channel), val); 4619a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4620a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* XXX TXDMA 32bit mode? XXX */ 4621a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4622a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4623a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4624a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4625a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_txc_enable_port(struct niu *np, int on) 4626a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4627a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 4628a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val, mask; 4629a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4630a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_lock_parent(np, flags); 4631a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(TXC_CONTROL); 4632a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mask = (u64)1 << np->port; 4633a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) { 4634a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= TXC_CONTROL_ENABLE | mask; 4635a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 4636a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~mask; 4637a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((val & ~TXC_CONTROL_ENABLE) == 0) 4638a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~TXC_CONTROL_ENABLE; 4639a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4640a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TXC_CONTROL, val); 4641a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_unlock_parent(np, flags); 4642a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4643a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4644a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_txc_set_imask(struct niu *np, u64 imask) 4645a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4646a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 4647a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 4648a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4649a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_lock_parent(np, flags); 4650a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(TXC_INT_MASK); 4651a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~TXC_INT_MASK_VAL(np->port); 4652a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (imask << TXC_INT_MASK_VAL_SHIFT(np->port)); 4653a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_unlock_parent(np, flags); 4654a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4655a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4656a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_txc_port_dma_enable(struct niu *np, int on) 4657a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4658a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = 0; 4659a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4660a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) { 4661a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 4662a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4663a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) 4664a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (1 << np->tx_rings[i].tx_channel); 4665a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4666a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TXC_PORT_DMA(np->port), val); 4667a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4668a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4669a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 4670a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4671a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, channel = rp->tx_channel; 4672a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val, ring_len; 4673a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4674a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_tx_channel_stop(np, channel); 4675a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4676a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4677a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4678a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_tx_channel_reset(np, channel); 4679a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4680a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4681a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4682a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_tx_channel_lpage_init(np, channel); 4683a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4684a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4685a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4686a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TXC_DMA_MAX(channel), rp->max_burst); 4687a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_ENT_MSK(channel), 0); 4688a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4689a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (rp->descr_dma & ~(TX_RNG_CFIG_STADDR_BASE | 4690a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller TX_RNG_CFIG_STADDR)) { 4691f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "TX ring channel %d DMA addr (%llx) is not aligned\n", 4692f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches channel, (unsigned long long)rp->descr_dma); 4693a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* The length field in TX_RNG_CFIG is measured in 64-byte 4697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * blocks. rp->pending is the number of TX descriptors in 4698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * our ring, 8 bytes each, thus we divide by 8 bytes more 4699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * to get the proper value the chip wants. 4700a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 4701a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ring_len = (rp->pending / 8); 4702a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4703a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = ((ring_len << TX_RNG_CFIG_LEN_SHIFT) | 4704a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->descr_dma); 4705a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_RNG_CFIG(channel), val); 4706a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4707a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (((rp->mbox_dma >> 32) & ~TXDMA_MBH_MBADDR) || 4708a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u32)rp->mbox_dma & ~TXDMA_MBL_MBADDR)) { 4709f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "TX ring channel %d MBOX addr (%llx) has invalid bits\n", 4710f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches channel, (unsigned long long)rp->mbox_dma); 4711a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4712a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4713a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TXDMA_MBH(channel), rp->mbox_dma >> 32); 4714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TXDMA_MBL(channel), rp->mbox_dma & TXDMA_MBL_MBADDR); 4715a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4716a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_CS(channel), 0); 4717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->last_pkt_cnt = 0; 4719a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4721a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4722a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_rdc_groups(struct niu *np) 4724a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4725a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_rdc_tables *tp = &np->parent->rdc_group_cfg[np->port]; 4726a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, first_table_num = tp->first_table_num; 4727a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4728a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < tp->num_tables; i++) { 4729a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rdc_table *tbl = &tp->tables[i]; 4730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int this_table = first_table_num + i; 4731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int slot; 4732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (slot = 0; slot < NIU_RDC_TABLE_SLOTS; slot++) 4734a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RDC_TBL(this_table, slot), 4735a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tbl->rxdma_channel[slot]); 4736a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4737a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(DEF_RDC(np->port), np->parent->rdc_default[np->port]); 4739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4741a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_drr_weight(struct niu *np) 4742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4743a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int type = phy_decode(np->parent->port_phy, np->port); 4744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 4745a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4746a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (type) { 4747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case PORT_TYPE_10G: 4748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = PT_DRR_WEIGHT_DEFAULT_10G; 4749a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case PORT_TYPE_1G: 4752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 4753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = PT_DRR_WEIGHT_DEFAULT_1G; 4754a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(PT_DRR_WT(np->port), val); 4757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_hostinfo(struct niu *np) 4760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 4762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 4763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, err, num_alt = niu_num_alt_addr(np); 4764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int first_rdc_table = tp->first_table_num; 4765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 4767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 4771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_alt; i++) { 4775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_set_alt_mac_rdc_table(np, i, first_rdc_table, 1); 4776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4782a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_rx_channel_reset(struct niu *np, int channel) 4784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4785a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_set_and_wait_clear(np, RXDMA_CFIG1(channel), 4786a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RXDMA_CFIG1_RST, 1000, 10, 4787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller "RXDMA_CFIG1"); 4788a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4789a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_rx_channel_lpage_init(struct niu *np, int channel) 4791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 4793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4794a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_LOG_MASK1(channel), 0); 4795a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_LOG_VAL1(channel), 0); 4796a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_LOG_MASK2(channel), 0); 4797a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_LOG_VAL2(channel), 0); 4798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_LOG_PAGE_RELO1(channel), 0); 4799a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_LOG_PAGE_RELO2(channel), 0); 4800a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_LOG_PAGE_HDL(channel), 0); 4801a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (u64)np->port << RX_LOG_PAGE_VLD_FUNC_SHIFT; 4803a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RX_LOG_PAGE_VLD_PAGE0 | RX_LOG_PAGE_VLD_PAGE1); 4804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_LOG_PAGE_VLD(channel), val); 4805a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4807a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4809a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_rx_channel_wred_init(struct niu *np, struct rx_ring_info *rp) 4810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4811a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 4812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4813a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (((u64)rp->nonsyn_window << RDC_RED_PARA_WIN_SHIFT) | 4814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)rp->nonsyn_threshold << RDC_RED_PARA_THRE_SHIFT) | 4815a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)rp->syn_window << RDC_RED_PARA_WIN_SYN_SHIFT) | 4816a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)rp->syn_threshold << RDC_RED_PARA_THRE_SYN_SHIFT)); 4817a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RDC_RED_PARA(rp->rx_channel), val); 4818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4819a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4820a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_compute_rbr_cfig_b(struct rx_ring_info *rp, u64 *ret) 4821a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4822a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = 0; 4823a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4824efb6c736da8f9c455c22bcbf717dbcf1889d0325David S. Miller *ret = 0; 4825a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (rp->rbr_block_size) { 4826a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 4 * 1024: 4827a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BLKSIZE_4K << RBR_CFIG_B_BLKSIZE_SHIFT); 4828a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4829a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 8 * 1024: 4830a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BLKSIZE_8K << RBR_CFIG_B_BLKSIZE_SHIFT); 4831a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4832a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 16 * 1024: 4833a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BLKSIZE_16K << RBR_CFIG_B_BLKSIZE_SHIFT); 4834a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4835a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 32 * 1024: 4836a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BLKSIZE_32K << RBR_CFIG_B_BLKSIZE_SHIFT); 4837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4838a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 4839a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4840a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4841a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= RBR_CFIG_B_VLD2; 4842a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (rp->rbr_sizes[2]) { 4843a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 2 * 1024: 4844a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ2_2K << RBR_CFIG_B_BUFSZ2_SHIFT); 4845a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 4 * 1024: 4847a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ2_4K << RBR_CFIG_B_BUFSZ2_SHIFT); 4848a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4849a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 8 * 1024: 4850a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ2_8K << RBR_CFIG_B_BUFSZ2_SHIFT); 4851a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4852a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 16 * 1024: 4853a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ2_16K << RBR_CFIG_B_BUFSZ2_SHIFT); 4854a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4855a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4856a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 4857a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4858a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= RBR_CFIG_B_VLD1; 4860a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (rp->rbr_sizes[1]) { 4861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 1 * 1024: 4862a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ1_1K << RBR_CFIG_B_BUFSZ1_SHIFT); 4863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4864a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 2 * 1024: 4865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ1_2K << RBR_CFIG_B_BUFSZ1_SHIFT); 4866a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4867a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 4 * 1024: 4868a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ1_4K << RBR_CFIG_B_BUFSZ1_SHIFT); 4869a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4870a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 8 * 1024: 4871a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ1_8K << RBR_CFIG_B_BUFSZ1_SHIFT); 4872a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4874a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 4875a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4877a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= RBR_CFIG_B_VLD0; 4878a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (rp->rbr_sizes[0]) { 4879a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 256: 4880a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ0_256 << RBR_CFIG_B_BUFSZ0_SHIFT); 4881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 512: 4883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ0_512 << RBR_CFIG_B_BUFSZ0_SHIFT); 4884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4885a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 1 * 1024: 4886a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ0_1K << RBR_CFIG_B_BUFSZ0_SHIFT); 4887a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4888a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 2 * 1024: 4889a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (RBR_BUFSZ0_2K << RBR_CFIG_B_BUFSZ0_SHIFT); 4890a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4892a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 4893a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 4894a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4896a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *ret = val; 4897a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4898a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4900a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_enable_rx_channel(struct niu *np, int channel, int on) 4901a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4902a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(RXDMA_CFIG1(channel)); 4903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit; 4904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 4906a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= RXDMA_CFIG1_EN; 4907a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 4908a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~RXDMA_CFIG1_EN; 4909a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RXDMA_CFIG1(channel), val); 4910a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4911a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 1000; 4912a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit > 0) { 4913a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (nr64(RXDMA_CFIG1(channel)) & RXDMA_CFIG1_QST) 4914a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 4915a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(10); 4916a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 4917a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit <= 0) 4918a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 4919a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4920a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4921a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4922a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 4923a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4924a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, channel = rp->rx_channel; 4925a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 4926a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4927a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_rx_channel_reset(np, channel); 4928a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4930a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4931a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_rx_channel_lpage_init(np, channel); 4932a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4933a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4934a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4935a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_rx_channel_wred_init(np, rp); 4936a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4937a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_ENT_MSK(channel), RX_DMA_ENT_MSK_RBR_EMPTY); 4938a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_CTL_STAT(channel), 4939a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (RX_DMA_CTL_STAT_MEX | 4940a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RX_DMA_CTL_STAT_RCRTHRES | 4941a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RX_DMA_CTL_STAT_RCRTO | 4942a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RX_DMA_CTL_STAT_RBR_EMPTY)); 4943a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RXDMA_CFIG1(channel), rp->mbox_dma >> 32); 49443cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller nw64(RXDMA_CFIG2(channel), 49453cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller ((rp->mbox_dma & RXDMA_CFIG2_MBADDR_L) | 49463cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller RXDMA_CFIG2_FULL_HDR)); 4947a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RBR_CFIG_A(channel), 4948a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)rp->rbr_table_size << RBR_CFIG_A_LEN_SHIFT) | 4949a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (rp->rbr_dma & (RBR_CFIG_A_STADDR_BASE | RBR_CFIG_A_STADDR))); 4950a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_compute_rbr_cfig_b(rp, &val); 4951a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4952a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4953a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RBR_CFIG_B(channel), val); 4954a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RCRCFIG_A(channel), 4955a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)rp->rcr_table_size << RCRCFIG_A_LEN_SHIFT) | 4956a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (rp->rcr_dma & (RCRCFIG_A_STADDR_BASE | RCRCFIG_A_STADDR))); 4957a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RCRCFIG_B(channel), 4958a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)rp->rcr_pkt_threshold << RCRCFIG_B_PTHRES_SHIFT) | 4959a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller RCRCFIG_B_ENTOUT | 4960a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)rp->rcr_timeout << RCRCFIG_B_TIMEOUT_SHIFT)); 4961a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4962a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_enable_rx_channel(np, channel, 1); 4963a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4964a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4965a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4966a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RBR_KICK(channel), rp->rbr_index); 4967a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4968a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(RX_DMA_CTL_STAT(channel)); 4969a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= RX_DMA_CTL_STAT_RBR_EMPTY; 4970a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_CTL_STAT(channel), val); 4971a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4972a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 4973a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 4974a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4975a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_rx_channels(struct niu *np) 4976a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 4977a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 4978a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 seed = jiffies_64; 4979a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, i; 4980a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4981a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_lock_parent(np, flags); 4982a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_CK_DIV, np->parent->rxdma_clock_divider); 4983a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RED_RAN_INIT, RED_RAN_INIT_OPMODE | (seed & RED_RAN_INIT_VAL)); 4984a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_unlock_parent(np, flags); 4985a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4986a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* XXX RXDMA 32bit mode? XXX */ 4987a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4988a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_rdc_groups(np); 4989a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_drr_weight(np); 4990a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4991a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_hostinfo(np); 4992a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 4993a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 4994a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4995a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 4996a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 4997a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 4998a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_one_rx_channel(np, rp); 4999a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5000a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5001a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5002a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5003a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5004a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5005a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5006a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_ip_frag_rule(struct niu *np) 5007a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5008a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 5009a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_classifier *cp = &np->clas; 5010a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_tcam_entry *tp; 5011a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int index, err; 5012a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 50132d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera index = cp->tcam_top; 5014a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp = &parent->tcam[index]; 5015a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5016a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Note that the noport bit is the same in both ipv4 and 5017a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * ipv6 format TCAM entries. 5018a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 5019a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memset(tp, 0, sizeof(*tp)); 5020a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp->key[1] = TCAM_V4KEY1_NOPORT; 5021a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp->key_mask[1] = TCAM_V4KEY1_NOPORT; 5022a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp->assoc_data = (TCAM_ASSOCDATA_TRES_USE_OFFSET | 5023a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((u64)0 << TCAM_ASSOCDATA_OFFSET_SHIFT)); 5024a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = tcam_write(np, index, tp->key, tp->key_mask); 5025a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5026a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5027a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = tcam_assoc_write(np, index, tp->assoc_data); 5028a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5029a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 50302d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->valid = 1; 50312d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera cp->tcam_valid_entries++; 5032a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5033a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5034a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5035a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5036a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_classifier_hw(struct niu *np) 5037a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5038a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 5039a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_classifier *cp = &np->clas; 5040a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, err; 5041a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5042a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(H1POLY, cp->h1_init); 5043a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(H2POLY, cp->h2_init); 5044a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5045a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_hostinfo(np); 5046a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5047a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5048a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5049a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < ENET_VLAN_TBL_NUM_ENTRIES; i++) { 5050a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_vlan_rdc *vp = &cp->vlan_mappings[i]; 5051a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5052a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller vlan_tbl_write(np, i, np->port, 5053a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller vp->vlan_pref, vp->rdc_num); 5054a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5055a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5056a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < cp->num_alt_mac_mappings; i++) { 5057a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_altmac_rdc *ap = &cp->alt_mac_mappings[i]; 5058a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5059a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_set_alt_mac_rdc_table(np, ap->alt_mac_num, 5060a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ap->rdc_num, ap->mac_pref); 5061a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5062a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5063a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5064a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5065a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_SCTP_IPV6; i++) { 5066a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int index = i - CLASS_CODE_USER_PROG1; 5067a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5068a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_set_tcam_key(np, i, parent->tcam_key[index]); 5069a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5070a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5071a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_set_flow_key(np, i, parent->flow_key[index]); 5072a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5073a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5074a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5075a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5076a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_set_ip_frag_rule(np); 5077a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5078a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5079a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5080a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tcam_enable(np, 1); 5081a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5082a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5083a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5084a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5085a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_zcp_write(struct niu *np, int index, u64 *data) 5086a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5087a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_RAM_DATA0, data[0]); 5088a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_RAM_DATA1, data[1]); 5089a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_RAM_DATA2, data[2]); 5090a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_RAM_DATA3, data[3]); 5091a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_RAM_DATA4, data[4]); 5092a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_RAM_BE, ZCP_RAM_BE_VAL); 5093a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_RAM_ACC, 5094a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ZCP_RAM_ACC_WRITE | 5095a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0 << ZCP_RAM_ACC_ZFCID_SHIFT) | 5096a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ZCP_RAM_SEL_CFIFO(np->port) << ZCP_RAM_ACC_RAM_SEL_SHIFT))); 5097a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5098a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5099a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1000, 100); 5100a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5101a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5102a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_zcp_read(struct niu *np, int index, u64 *data) 5103a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5104a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 5105a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5106a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5107a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1000, 100); 5108a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 5109f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "ZCP read busy won't clear, ZCP_RAM_ACC[%llx]\n", 5110f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)nr64(ZCP_RAM_ACC)); 5111a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5112a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5113a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5114a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_RAM_ACC, 5115a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ZCP_RAM_ACC_READ | 5116a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0 << ZCP_RAM_ACC_ZFCID_SHIFT) | 5117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ZCP_RAM_SEL_CFIFO(np->port) << ZCP_RAM_ACC_RAM_SEL_SHIFT))); 5118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY, 5120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1000, 100); 5121a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 5122f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "ZCP read busy2 won't clear, ZCP_RAM_ACC[%llx]\n", 5123f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)nr64(ZCP_RAM_ACC)); 5124a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5125a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5126a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5127a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[0] = nr64(ZCP_RAM_DATA0); 5128a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[1] = nr64(ZCP_RAM_DATA1); 5129a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[2] = nr64(ZCP_RAM_DATA2); 5130a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[3] = nr64(ZCP_RAM_DATA3); 5131a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[4] = nr64(ZCP_RAM_DATA4); 5132a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5133a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5134a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5135a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5136a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_zcp_cfifo_reset(struct niu *np) 5137a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5138a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64(RESET_CFIFO); 5139a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5140a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= RESET_CFIFO_RST(np->port); 5141a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RESET_CFIFO, val); 5142a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(10); 5143a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5144a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~RESET_CFIFO_RST(np->port); 5145a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RESET_CFIFO, val); 5146a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5147a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5148a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_zcp(struct niu *np) 5149a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5150a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 data[5], rbuf[5]; 5151a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, max, err; 5152a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5153a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type != PLAT_TYPE_NIU) { 5154a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->port == 0 || np->port == 1) 5155a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max = ATLAS_P0_P1_CFIFO_ENTRIES; 5156a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5157a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max = ATLAS_P2_P3_CFIFO_ENTRIES; 5158a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else 5159a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max = NIU_CFIFO_ENTRIES; 5160a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5161a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[0] = 0; 5162a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[1] = 0; 5163a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[2] = 0; 5164a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[3] = 0; 5165a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[4] = 0; 5166a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5167a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < max; i++) { 5168a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_zcp_write(np, i, data); 5169a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5170a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5171a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_zcp_read(np, i, rbuf); 5172a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5173a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5174a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5175a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5176a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_zcp_cfifo_reset(np); 5177a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(CFIFO_ECC(np->port), 0); 5178a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_INT_STAT, ZCP_INT_STAT_ALL); 5179a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64(ZCP_INT_STAT); 5180a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ZCP_INT_MASK, ZCP_INT_MASK_ALL); 5181a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5182a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5183a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5184a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5185a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_ipp_write(struct niu *np, int index, u64 *data) 5186a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5187a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_ipp(IPP_CFIG); 5188a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5189a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_CFIG, val | IPP_CFIG_DFIFO_PIO_W); 5190a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_DFIFO_WR_PTR, index); 5191a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_DFIFO_WR0, data[0]); 5192a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_DFIFO_WR1, data[1]); 5193a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_DFIFO_WR2, data[2]); 5194a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_DFIFO_WR3, data[3]); 5195a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_DFIFO_WR4, data[4]); 5196a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_CFIG, val & ~IPP_CFIG_DFIFO_PIO_W); 5197a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5198a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5199a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_ipp_read(struct niu *np, int index, u64 *data) 5200a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5201a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_DFIFO_RD_PTR, index); 5202a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[0] = nr64_ipp(IPP_DFIFO_RD0); 5203a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[1] = nr64_ipp(IPP_DFIFO_RD1); 5204a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[2] = nr64_ipp(IPP_DFIFO_RD2); 5205a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[3] = nr64_ipp(IPP_DFIFO_RD3); 5206a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[4] = nr64_ipp(IPP_DFIFO_RD4); 5207a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5208a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5209a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_ipp_reset(struct niu *np) 5210a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5211a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_set_and_wait_clear_ipp(np, IPP_CFIG, IPP_CFIG_SOFT_RST, 5212a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1000, 100, "IPP_CFIG"); 5213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5214a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5215a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_ipp(struct niu *np) 5216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5217a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 data[5], rbuf[5], val; 5218a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, max, err; 5219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type != PLAT_TYPE_NIU) { 5221a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->port == 0 || np->port == 1) 5222a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max = ATLAS_P0_P1_DFIFO_ENTRIES; 5223a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max = ATLAS_P2_P3_DFIFO_ENTRIES; 5225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else 5226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max = NIU_DFIFO_ENTRIES; 5227a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5228a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[0] = 0; 5229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[1] = 0; 5230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[2] = 0; 5231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[3] = 0; 5232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[4] = 0; 5233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < max; i++) { 5235a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ipp_write(np, i, data); 5236a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ipp_read(np, i, rbuf); 5237a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5238a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5239a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64_ipp(IPP_INT_STAT); 5240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64_ipp(IPP_INT_STAT); 5241a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_ipp_reset(np); 5243a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5244a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5245a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5246a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64_ipp(IPP_PKT_DIS); 5247a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64_ipp(IPP_BAD_CS_CNT); 5248a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64_ipp(IPP_ECC); 5249a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5250a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64_ipp(IPP_INT_STAT); 5251a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5252a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_MSK, ~IPP_MSK_ALL); 5253a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5254a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_ipp(IPP_CFIG); 5255a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~IPP_CFIG_IP_MAX_PKT; 5256a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (IPP_CFIG_IPP_ENABLE | 5257a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller IPP_CFIG_DFIFO_ECC_EN | 5258a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller IPP_CFIG_DROP_BAD_CRC | 5259a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller IPP_CFIG_CKSUM_EN | 5260a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (0x1ffff << IPP_CFIG_IP_MAX_PKT_SHIFT)); 5261a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_CFIG, val); 5262a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5263a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5264a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5265a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 52660c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindnerstatic void niu_handle_led(struct niu *np, int status) 5267a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5268a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 5269a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XMAC_CONFIG); 5270a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5271a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((np->flags & NIU_FLAGS_10G) != 0 && 5272a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (np->flags & NIU_FLAGS_FIBER) != 0) { 52730c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner if (status) { 5274a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_LED_POLARITY; 5275a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_FORCE_LED_ON; 5276a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 5277a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_FORCE_LED_ON; 5278a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_LED_POLARITY; 5279a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5280a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5281a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 52820c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner nw64_mac(XMAC_CONFIG, val); 52830c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner} 52840c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner 52850c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindnerstatic void niu_init_xif_xmac(struct niu *np) 52860c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner{ 52870c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner struct niu_link_config *lp = &np->link_config; 52880c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner u64 val; 52890c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner 52905fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (np->flags & NIU_FLAGS_XCVR_SERDES) { 52915fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = nr64(MIF_CONFIG); 52925fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val |= MIF_CONFIG_ATCA_GE; 52935fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64(MIF_CONFIG, val); 52945fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 52955fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 52960c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner val = nr64_mac(XMAC_CONFIG); 5297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC; 5298a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5299a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_TX_OUTPUT_EN; 5300a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5301a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->loopback_mode == LOOPBACK_MAC) { 5302a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC; 5303a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_LOOPBACK; 5304a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 5305a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_LOOPBACK; 5306a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5307a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5308a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_10G) { 5309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_LFS_DISABLE; 5310a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 5311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_LFS_DISABLE; 53125fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (!(np->flags & NIU_FLAGS_FIBER) && 53135fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku !(np->flags & NIU_FLAGS_XCVR_SERDES)) 5314a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_1G_PCS_BYPASS; 5315a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5316a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_1G_PCS_BYPASS; 5317a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5318a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5319a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_10G_XPCS_BYPASS; 5320a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5321a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->active_speed == SPEED_100) 5322a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_SEL_CLK_25MHZ; 5323a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5324a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_SEL_CLK_25MHZ; 5325a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5326a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_CONFIG, val); 5327a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5328a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XMAC_CONFIG); 5329a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_MODE_MASK; 5330a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_10G) { 5331a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_MODE_XGMII; 5332a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 533338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (lp->active_speed == SPEED_1000) 5334a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_MODE_GMII; 533538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov else 533638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov val |= XMAC_CONFIG_MODE_MII; 5337a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5338a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5339a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_CONFIG, val); 5340a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5341a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_xif_bmac(struct niu *np) 5343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5344a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_link_config *lp = &np->link_config; 5345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 5346a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5347a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = BMAC_XIF_CONFIG_TX_OUTPUT_EN; 5348a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5349a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->loopback_mode == LOOPBACK_MAC) 5350a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= BMAC_XIF_CONFIG_MII_LOOPBACK; 5351a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5352a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~BMAC_XIF_CONFIG_MII_LOOPBACK; 5353a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5354a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->active_speed == SPEED_1000) 5355a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= BMAC_XIF_CONFIG_GMII_MODE; 5356a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5357a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~BMAC_XIF_CONFIG_GMII_MODE; 5358a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5359a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(BMAC_XIF_CONFIG_LINK_LED | 5360a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BMAC_XIF_CONFIG_LED_POLARITY); 5361a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5362a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(np->flags & NIU_FLAGS_10G) && 5363a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller !(np->flags & NIU_FLAGS_FIBER) && 5364a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->active_speed == SPEED_100) 5365a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= BMAC_XIF_CONFIG_25MHZ_CLOCK; 5366a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5367a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~BMAC_XIF_CONFIG_25MHZ_CLOCK; 5368a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5369a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_XIF_CONFIG, val); 5370a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5371a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5372a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_xif(struct niu *np) 5373a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5374a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 5375a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_xif_xmac(np); 5376a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5377a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_xif_bmac(np); 5378a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5379a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5380a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_pcs_mii_reset(struct niu *np) 5381a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 53825fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int limit = 1000; 5383a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_pcs(PCS_MII_CTL); 5384a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= PCS_MII_CTL_RST; 5385a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_pcs(PCS_MII_CTL, val); 53865fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku while ((--limit >= 0) && (val & PCS_MII_CTL_RST)) { 53875fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku udelay(100); 53885fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = nr64_pcs(PCS_MII_CTL); 53895fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 5390a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5391a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5392a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_xpcs_reset(struct niu *np) 5393a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 53945fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku int limit = 1000; 5395a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_xpcs(XPCS_CONTROL1); 5396a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XPCS_CONTROL1_RESET; 5397a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_xpcs(XPCS_CONTROL1, val); 53985fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku while ((--limit >= 0) && (val & XPCS_CONTROL1_RESET)) { 53995fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku udelay(100); 54005fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = nr64_xpcs(XPCS_CONTROL1); 54015fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 5402a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5403a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5404a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_pcs(struct niu *np) 5405a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5406a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_link_config *lp = &np->link_config; 5407a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 5408a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 54095fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku switch (np->flags & (NIU_FLAGS_10G | 54105fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku NIU_FLAGS_FIBER | 54115fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku NIU_FLAGS_XCVR_SERDES)) { 5412a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case NIU_FLAGS_FIBER: 5413a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 1G fiber */ 5414a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_pcs(PCS_CONF, PCS_CONF_MASK | PCS_CONF_ENABLE); 5415a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_pcs(PCS_DPATH_MODE, 0); 5416a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_pcs_mii_reset(np); 5417a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 5418a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5419a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case NIU_FLAGS_10G: 5420a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case NIU_FLAGS_10G | NIU_FLAGS_FIBER: 54215fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case NIU_FLAGS_10G | NIU_FLAGS_XCVR_SERDES: 54225fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku /* 10G SERDES */ 5423a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(np->flags & NIU_FLAGS_XMAC)) 5424a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 5425a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5426a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 10G copper or fiber */ 5427a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XMAC_CONFIG); 5428a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_10G_XPCS_BYPASS; 5429a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_CONFIG, val); 5430a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5431a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_xpcs_reset(np); 5432a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5433a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_xpcs(XPCS_CONTROL1); 5434a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (lp->loopback_mode == LOOPBACK_PHY) 5435a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XPCS_CONTROL1_LOOPBACK; 5436a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5437a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XPCS_CONTROL1_LOOPBACK; 5438a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_xpcs(XPCS_CONTROL1, val); 5439a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5440a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_xpcs(XPCS_DESKEW_ERR_CNT, 0); 5441a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64_xpcs(XPCS_SYMERR_CNT01); 5442a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) nr64_xpcs(XPCS_SYMERR_CNT23); 5443a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 5444a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 54455fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 54465fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case NIU_FLAGS_XCVR_SERDES: 54475fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku /* 1G SERDES */ 54485fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku niu_pcs_mii_reset(np); 54495fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64_pcs(PCS_CONF, PCS_CONF_MASK | PCS_CONF_ENABLE); 54505fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku nw64_pcs(PCS_DPATH_MODE, 0); 54515fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 54525fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 5453a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 0: 5454a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 1G copper */ 54555fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case NIU_FLAGS_XCVR_SERDES | NIU_FLAGS_FIBER: 54565fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku /* 1G RGMII FIBER */ 5457a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_pcs(PCS_DPATH_MODE, PCS_DPATH_MODE_MII); 5458a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_pcs_mii_reset(np); 5459a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 5460a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5461a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 5462a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 5463a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5464a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5465a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5466a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5467a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5468a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_reset_tx_xmac(struct niu *np) 5469a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5470a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_set_and_wait_clear_mac(np, XTXMAC_SW_RST, 5471a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (XTXMAC_SW_RST_REG_RS | 5472a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XTXMAC_SW_RST_SOFT_RST), 5473a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1000, 100, "XTXMAC_SW_RST"); 5474a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5475a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5476a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_reset_tx_bmac(struct niu *np) 5477a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5478a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit; 5479a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5480a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BTXMAC_SW_RST, BTXMAC_SW_RST_RESET); 5481a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 1000; 5482a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0) { 5483a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(nr64_mac(BTXMAC_SW_RST) & BTXMAC_SW_RST_RESET)) 5484a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 5485a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(100); 5486a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5487a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0) { 5488f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Port %u TX BMAC would not reset, BTXMAC_SW_RST[%llx]\n", 5489a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->port, 5490a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) nr64_mac(BTXMAC_SW_RST)); 5491a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 5492a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5493a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5494a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5495a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5496a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5497a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_reset_tx_mac(struct niu *np) 5498a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5499a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 5500a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_reset_tx_xmac(np); 5501a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5502a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_reset_tx_bmac(np); 5503a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5504a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5505a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_tx_xmac(struct niu *np, u64 min, u64 max) 5506a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5507a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 5508a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5509a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XMAC_MIN); 5510a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(XMAC_MIN_TX_MIN_PKT_SIZE | 5511a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_MIN_RX_MIN_PKT_SIZE); 5512a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (min << XMAC_MIN_RX_MIN_PKT_SIZE_SHFT); 5513a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (min << XMAC_MIN_TX_MIN_PKT_SIZE_SHFT); 5514a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_MIN, val); 5515a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5516a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_MAX, max); 5517a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5518a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XTXMAC_STAT_MSK, ~(u64)0); 5519a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5520a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XMAC_IPG); 5521a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_10G) { 5522a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_IPG_IPG_XGMII; 5523a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (IPG_12_15_XGMII << XMAC_IPG_IPG_XGMII_SHIFT); 5524a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 5525a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_IPG_IPG_MII_GMII; 5526a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (IPG_12_MII_GMII << XMAC_IPG_IPG_MII_GMII_SHIFT); 5527a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5528a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_IPG, val); 5529a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5530a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XMAC_CONFIG); 5531a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(XMAC_CONFIG_ALWAYS_NO_CRC | 5532a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_STRETCH_MODE | 5533a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_VAR_MIN_IPG_EN | 5534a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_TX_ENABLE); 5535a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_CONFIG, val); 5536a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5537a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(TXMAC_FRM_CNT, 0); 5538a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(TXMAC_BYTE_CNT, 0); 5539a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5540a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5541a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_tx_bmac(struct niu *np, u64 min, u64 max) 5542a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5543a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 5544a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5545a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_MIN_FRAME, min); 5546a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_MAX_FRAME, max); 5547a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5548a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BTXMAC_STATUS_MASK, ~(u64)0); 5549a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_CTRL_TYPE, 0x8808); 5550a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_PREAMBLE_SIZE, 7); 5551a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5552a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(BTXMAC_CONFIG); 5553a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(BTXMAC_CONFIG_FCS_DISABLE | 5554a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BTXMAC_CONFIG_ENABLE); 5555a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BTXMAC_CONFIG, val); 5556a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5557a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5558a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_tx_mac(struct niu *np) 5559a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5560a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 min, max; 5561a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5562a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller min = 64; 5563a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->dev->mtu > ETH_DATA_LEN) 5564a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max = 9216; 5565a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5566a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max = 1522; 5567a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5568a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* The XMAC_MIN register only accepts values for TX min which 5569a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * have the low 3 bits cleared. 5570a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 55718c87df457cb58fe75b9b893007917cf8095660a0Jan Beulich BUG_ON(min & 0x7); 5572a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5573a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 5574a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_tx_xmac(np, min, max); 5575a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5576a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_tx_bmac(np, min, max); 5577a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5578a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5579a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_reset_rx_xmac(struct niu *np) 5580a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5581a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit; 5582a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5583a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XRXMAC_SW_RST, 5584a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XRXMAC_SW_RST_REG_RS | XRXMAC_SW_RST_SOFT_RST); 5585a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 1000; 5586a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0) { 5587a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(nr64_mac(XRXMAC_SW_RST) & (XRXMAC_SW_RST_REG_RS | 5588a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XRXMAC_SW_RST_SOFT_RST))) 5589f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches break; 5590a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(100); 5591a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5592a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0) { 5593f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Port %u RX XMAC would not reset, XRXMAC_SW_RST[%llx]\n", 5594a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->port, 5595a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) nr64_mac(XRXMAC_SW_RST)); 5596a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 5597a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5598a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5599a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5600a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5601a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5602a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_reset_rx_bmac(struct niu *np) 5603a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5604a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit; 5605a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5606a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BRXMAC_SW_RST, BRXMAC_SW_RST_RESET); 5607a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 1000; 5608a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0) { 5609a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(nr64_mac(BRXMAC_SW_RST) & BRXMAC_SW_RST_RESET)) 5610a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 5611a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(100); 5612a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5613a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0) { 5614f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Port %u RX BMAC would not reset, BRXMAC_SW_RST[%llx]\n", 5615a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->port, 5616a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) nr64_mac(BRXMAC_SW_RST)); 5617a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 5618a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5619a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5620a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5621a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5622a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5623a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_reset_rx_mac(struct niu *np) 5624a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5625a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 5626a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_reset_rx_xmac(np); 5627a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5628a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return niu_reset_rx_bmac(np); 5629a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5630a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5631a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_rx_xmac(struct niu *np) 5632a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5633a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 5634a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 5635a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int first_rdc_table = tp->first_table_num; 5636a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 5637a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 5638a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5639a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ADD_FILT0, 0); 5640a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ADD_FILT1, 0); 5641a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ADD_FILT2, 0); 5642a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ADD_FILT12_MASK, 0); 5643a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_ADD_FILT00_MASK, 0); 5644a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < MAC_NUM_HASH; i++) 5645a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_HASH_TBL(i), 0); 5646a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XRXMAC_STAT_MSK, ~(u64)0); 5647a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 5648a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 5649a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5650a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(XMAC_CONFIG); 5651a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(XMAC_CONFIG_RX_MAC_ENABLE | 5652a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_PROMISCUOUS | 5653a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_PROMISC_GROUP | 5654a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_ERR_CHK_DIS | 5655a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_RX_CRC_CHK_DIS | 5656a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_RESERVED_MULTICAST | 5657a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_RX_CODEV_CHK_DIS | 5658a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_ADDR_FILTER_EN | 5659a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_RCV_PAUSE_ENABLE | 5660a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_STRIP_CRC | 5661a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_PASS_FLOW_CTRL | 5662a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_MAC2IPP_PKT_CNT_EN); 5663a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (XMAC_CONFIG_HASH_FILTER_EN); 5664a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_CONFIG, val); 5665a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5666a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_BT_CNT, 0); 5667a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_BC_FRM_CNT, 0); 5668a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_MC_FRM_CNT, 0); 5669a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_FRAG_CNT, 0); 5670a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_HIST_CNT1, 0); 5671a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_HIST_CNT2, 0); 5672a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_HIST_CNT3, 0); 5673a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_HIST_CNT4, 0); 5674a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_HIST_CNT5, 0); 5675a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_HIST_CNT6, 0); 5676a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_HIST_CNT7, 0); 5677a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_MPSZER_CNT, 0); 5678a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_CRC_ER_CNT, 0); 5679a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(RXMAC_CD_VIO_CNT, 0); 5680a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(LINK_FAULT_CNT, 0); 5681a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5682a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5683a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_rx_bmac(struct niu *np) 5684a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5685a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 5686a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port]; 5687a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int first_rdc_table = tp->first_table_num; 5688a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long i; 5689a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val; 5690a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5691a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADD_FILT0, 0); 5692a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADD_FILT1, 0); 5693a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADD_FILT2, 0); 5694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADD_FILT12_MASK, 0); 5695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADD_FILT00_MASK, 0); 5696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < MAC_NUM_HASH; i++) 5697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_HASH_TBL(i), 0); 5698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_primary_mac_rdc_table(np, first_rdc_table, 1); 5699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1); 5700a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BRXMAC_STATUS_MASK, ~(u64)0); 5701a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5702a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(BRXMAC_CONFIG); 5703a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(BRXMAC_CONFIG_ENABLE | 5704a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BRXMAC_CONFIG_STRIP_PAD | 5705a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BRXMAC_CONFIG_STRIP_FCS | 5706a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BRXMAC_CONFIG_PROMISC | 5707a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BRXMAC_CONFIG_PROMISC_GRP | 5708a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BRXMAC_CONFIG_ADDR_FILT_EN | 5709a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BRXMAC_CONFIG_DISCARD_DIS); 5710a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (BRXMAC_CONFIG_HASH_FILT_EN); 5711a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BRXMAC_CONFIG, val); 5712a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5713a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(BMAC_ADDR_CMPEN); 5714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= BMAC_ADDR_CMPEN_EN0; 5715a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_ADDR_CMPEN, val); 5716a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_init_rx_mac(struct niu *np) 5719a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_primary_mac(np, np->dev->dev_addr); 5721a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5722a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 5723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_rx_xmac(np); 5724a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5725a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_rx_bmac(np); 5726a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5727a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5728a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_enable_tx_xmac(struct niu *np, int on) 5729a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_mac(XMAC_CONFIG); 5731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 5733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_TX_ENABLE; 5734a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5735a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_TX_ENABLE; 5736a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_CONFIG, val); 5737a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_enable_tx_bmac(struct niu *np, int on) 5740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5741a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_mac(BTXMAC_CONFIG); 5742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5743a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 5744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= BTXMAC_CONFIG_ENABLE; 5745a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5746a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~BTXMAC_CONFIG_ENABLE; 5747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BTXMAC_CONFIG, val); 5748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5749a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_enable_tx_mac(struct niu *np, int on) 5751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 5753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_tx_xmac(np, on); 5754a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_tx_bmac(np, on); 5756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_enable_rx_xmac(struct niu *np, int on) 5759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_mac(XMAC_CONFIG); 5761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(XMAC_CONFIG_HASH_FILTER_EN | 5763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller XMAC_CONFIG_PROMISCUOUS); 5764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_MCAST) 5766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_HASH_FILTER_EN; 5767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_PROMISC) 5768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_PROMISCUOUS; 5769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 5771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= XMAC_CONFIG_RX_MAC_ENABLE; 5772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~XMAC_CONFIG_RX_MAC_ENABLE; 5774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_CONFIG, val); 5775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_enable_rx_bmac(struct niu *np, int on) 5778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val = nr64_mac(BRXMAC_CONFIG); 5780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(BRXMAC_CONFIG_HASH_FILT_EN | 5782a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BRXMAC_CONFIG_PROMISC); 5783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_MCAST) 5785a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= BRXMAC_CONFIG_HASH_FILT_EN; 5786a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_PROMISC) 5787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= BRXMAC_CONFIG_PROMISC; 5788a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5789a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 5790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= BRXMAC_CONFIG_ENABLE; 5791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~BRXMAC_CONFIG_ENABLE; 5793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BRXMAC_CONFIG, val); 5794a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5795a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5796a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_enable_rx_mac(struct niu *np, int on) 5797a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 5799a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_rx_xmac(np, on); 5800a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 5801a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_rx_bmac(np, on); 5802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5803a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_mac(struct niu *np) 5805a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 5807a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_xif(np); 5809a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_pcs(np); 5810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5811a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5813a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_reset_tx_mac(np); 5814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5815a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5816a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_tx_mac(np); 5817a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_reset_rx_mac(np); 5818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5819a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5820a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_rx_mac(np); 5821a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5822a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* This looks hookey but the RX MAC reset we just did will 5823a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * undo some of the state we setup in niu_init_tx_mac() so we 5824a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * have to call it again. In particular, the RX MAC reset will 5825a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * set the XMAC_MAX register back to it's default value. 5826a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 5827a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_init_tx_mac(np); 5828a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_tx_mac(np, 1); 5829a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5830a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_rx_mac(np, 1); 5831a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5832a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5833a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5834a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5835a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_stop_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 5836a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) niu_tx_channel_stop(np, rp->tx_channel); 5838a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5839a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5840a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_stop_tx_channels(struct niu *np) 5841a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5842a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 5843a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5844a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 5845a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 5846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5847a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_one_tx_channel(np, rp); 5848a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5849a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5850a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5851a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_reset_one_tx_channel(struct niu *np, struct tx_ring_info *rp) 5852a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5853a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) niu_tx_channel_reset(np, rp->tx_channel); 5854a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5855a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5856a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_reset_tx_channels(struct niu *np) 5857a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5858a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 5859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5860a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 5861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 5862a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_reset_one_tx_channel(np, rp); 5864a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5866a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5867a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_stop_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 5868a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5869a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) niu_enable_rx_channel(np, rp->rx_channel, 0); 5870a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5871a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5872a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_stop_rx_channels(struct niu *np) 5873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5874a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 5875a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 5877a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 5878a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5879a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_one_rx_channel(np, rp); 5880a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_reset_one_rx_channel(struct niu *np, struct rx_ring_info *rp) 5884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5885a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int channel = rp->rx_channel; 5886a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5887a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) niu_rx_channel_reset(np, channel); 5888a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_ENT_MSK(channel), RX_DMA_ENT_MSK_ALL); 5889a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(RX_DMA_CTL_STAT(channel), 0); 5890a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) niu_enable_rx_channel(np, channel, 0); 5891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5892a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5893a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_reset_rx_channels(struct niu *np) 5894a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 5896a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5897a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 5898a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 5899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5900a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_reset_one_rx_channel(np, rp); 5901a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5902a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_disable_ipp(struct niu *np) 5905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5906a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 rd, wr, val; 5907a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit; 5908a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5909a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rd = nr64_ipp(IPP_DFIFO_RD_PTR); 5910a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller wr = nr64_ipp(IPP_DFIFO_WR_PTR); 5911a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 100; 5912a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (--limit >= 0 && (rd != wr)) { 5913a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rd = nr64_ipp(IPP_DFIFO_RD_PTR); 5914a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller wr = nr64_ipp(IPP_DFIFO_WR_PTR); 5915a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5916a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (limit < 0 && 5917a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (rd != 0 && wr != 1)) { 5918f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(np->dev, "IPP would not quiesce, rd_ptr[%llx] wr_ptr[%llx]\n", 5919f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)nr64_ipp(IPP_DFIFO_RD_PTR), 5920f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)nr64_ipp(IPP_DFIFO_WR_PTR)); 5921a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5922a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5923a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_ipp(IPP_CFIG); 5924a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~(IPP_CFIG_IPP_ENABLE | 5925a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller IPP_CFIG_DFIFO_ECC_EN | 5926a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller IPP_CFIG_DROP_BAD_CRC | 5927a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller IPP_CFIG_CKSUM_EN); 5928a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_ipp(IPP_CFIG, val); 5929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5930a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (void) niu_ipp_reset(np); 5931a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5932a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5933a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_init_hw(struct niu *np) 5934a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5935a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, err; 5936a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5937f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize TXC\n"); 5938a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_txc_enable_port(np, 1); 5939a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_txc_port_dma_enable(np, 1); 5940a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_txc_set_imask(np, 0); 5941a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5942f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize TX channels\n"); 5943a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 5944a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 5945a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5946a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_one_tx_channel(np, rp); 5947a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5948a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5949a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 5950a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5951f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize RX channels\n"); 5952a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_rx_channels(np); 5953a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5954a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_uninit_tx_channels; 5955a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5956f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize classifier\n"); 5957a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_classifier_hw(np); 5958a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5959a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_uninit_rx_channels; 5960a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5961f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize ZCP\n"); 5962a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_zcp(np); 5963a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5964a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_uninit_rx_channels; 5965a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5966f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize IPP\n"); 5967a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_ipp(np); 5968a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5969a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_uninit_rx_channels; 5970a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5971f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Initialize MAC\n"); 5972a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_mac(np); 5973a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 5974a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_uninit_ipp; 5975a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5976a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 5977a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5978a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_uninit_ipp: 5979f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit IPP\n"); 5980a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_disable_ipp(np); 5981a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5982a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_uninit_rx_channels: 5983f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit RX channels\n"); 5984a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_rx_channels(np); 5985a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_reset_rx_channels(np); 5986a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5987a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_uninit_tx_channels: 5988f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifup, KERN_DEBUG, np->dev, "Uninit TX channels\n"); 5989a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_tx_channels(np); 5990a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_reset_tx_channels(np); 5991a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5992a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 5993a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 5994a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 5995a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_stop_hw(struct niu *np) 5996a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 5997f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable interrupts\n"); 5998a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_interrupts(np, 0); 5999a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6000f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable RX MAC\n"); 6001a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_rx_mac(np, 0); 6002a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6003f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Disable IPP\n"); 6004a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_disable_ipp(np); 6005a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6006f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Stop TX channels\n"); 6007a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_tx_channels(np); 6008a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6009f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Stop RX channels\n"); 6010a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_rx_channels(np); 6011a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6012f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Reset TX channels\n"); 6013a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_reset_tx_channels(np); 6014a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6015f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, ifdown, KERN_DEBUG, np->dev, "Reset RX channels\n"); 6016a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_reset_rx_channels(np); 6017a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6018a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 601970340d728f4f4cb49da00a11b10ded492260caa5Robert Olssonstatic void niu_set_irq_name(struct niu *np) 602070340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson{ 602170340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson int port = np->port; 602270340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson int i, j = 1; 602370340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson 602470340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson sprintf(np->irq_name[0], "%s:MAC", np->dev->name); 602570340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson 602670340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson if (port == 0) { 602770340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson sprintf(np->irq_name[1], "%s:MIF", np->dev->name); 602870340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson sprintf(np->irq_name[2], "%s:SYSERR", np->dev->name); 602970340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson j = 3; 603070340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson } 603170340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson 603270340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson for (i = 0; i < np->num_ldg - j; i++) { 603370340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson if (i < np->num_rx_rings) 603470340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson sprintf(np->irq_name[i+j], "%s-rx-%d", 603570340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson np->dev->name, i); 603670340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson else if (i < np->num_tx_rings + np->num_rx_rings) 603770340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson sprintf(np->irq_name[i+j], "%s-tx-%d", np->dev->name, 603870340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson i - np->num_rx_rings); 603970340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson } 604070340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson} 604170340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson 6042a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_request_irq(struct niu *np) 6043a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6044a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, j, err; 6045a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 604670340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson niu_set_irq_name(np); 604770340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson 6048a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 6049a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_ldg; i++) { 6050a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_ldg *lp = &np->ldg[i]; 6051a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6052ab392d2d6d4e2e50502985eead545b44ee58802cJavier Martinez Canillas err = request_irq(lp->irq, niu_interrupt, IRQF_SHARED, 605370340d728f4f4cb49da00a11b10ded492260caa5Robert Olsson np->irq_name[i], lp); 6054a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6055a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_free_irqs; 6056a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6057a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6058a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6059a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 6060a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6061a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_free_irqs: 6062a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (j = 0; j < i; j++) { 6063a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_ldg *lp = &np->ldg[j]; 6064a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6065a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller free_irq(lp->irq, lp); 6066a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6067a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 6068a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6069a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6070a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_free_irq(struct niu *np) 6071a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6072a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 6073a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6074a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_ldg; i++) { 6075a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_ldg *lp = &np->ldg[i]; 6076a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6077a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller free_irq(lp->irq, lp); 6078a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6079a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6080a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6081a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_enable_napi(struct niu *np) 6082a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6083a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 6084a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6085a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_ldg; i++) 6086a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller napi_enable(&np->ldg[i].napi); 6087a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6088a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6089a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_disable_napi(struct niu *np) 6090a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6091a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 6092a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6093a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_ldg; i++) 6094a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller napi_disable(&np->ldg[i].napi); 6095a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6096a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6097a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_open(struct net_device *dev) 6098a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6099a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6100a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 6101a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6102a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_carrier_off(dev); 6103a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6104a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_alloc_channels(np); 6105a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6106a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_err; 6107a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6108a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_enable_interrupts(np, 0); 6109a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6110a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_free_channels; 6111a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6112a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_request_irq(np); 6113a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6114a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_free_channels; 6115a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6116a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_napi(np); 6117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irq(&np->lock); 6119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_hw(np); 6121a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 6122a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller init_timer(&np->timer); 6123a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.expires = jiffies + HZ; 6124a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.data = (unsigned long) np; 6125a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.function = niu_timer; 6126a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6127a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_enable_interrupts(np, 1); 6128a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6129a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_hw(np); 6130a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6131a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6132a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irq(&np->lock); 6133a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6134a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 6135a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_disable_napi(np); 6136a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_free_irq; 6137a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6138a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6139b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller netif_tx_start_all_queues(dev); 6140a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6141a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->link_config.loopback_mode != LOOPBACK_DISABLED) 6142a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_carrier_on(dev); 6143a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6144a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller add_timer(&np->timer); 6145a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6146a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 6147a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6148a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_free_irq: 6149a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_free_irq(np); 6150a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6151a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_free_channels: 6152a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_free_channels(np); 6153a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6154a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_err: 6155a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 6156a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6157a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6158a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_full_shutdown(struct niu *np, struct net_device *dev) 6159a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6160a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cancel_work_sync(&np->reset_task); 6161a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6162a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_disable_napi(np); 6163b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller netif_tx_stop_all_queues(dev); 6164a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6165a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller del_timer_sync(&np->timer); 6166a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6167a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irq(&np->lock); 6168a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6169a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_hw(np); 6170a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6171a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irq(&np->lock); 6172a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6173a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6174a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_close(struct net_device *dev) 6175a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6176a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6177a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6178a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_full_shutdown(np, dev); 6179a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6180a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_free_irq(np); 6181a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6182a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_free_channels(np); 6183a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 61840c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner niu_handle_led(np, 0); 61850c3b091b9a7a5184011e75afa7f0206d288ddb06Mirko Lindner 6186a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 6187a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6188a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6189a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_sync_xmac_stats(struct niu *np) 6190a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6191a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_xmac_stats *mp = &np->mac_stats.xmac; 6192a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6193a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_frames += nr64_mac(TXMAC_FRM_CNT); 6194a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_bytes += nr64_mac(TXMAC_BYTE_CNT); 6195a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6196a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_link_faults += nr64_mac(LINK_FAULT_CNT); 6197a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_align_errors += nr64_mac(RXMAC_ALIGN_ERR_CNT); 6198a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_frags += nr64_mac(RXMAC_FRAG_CNT); 6199a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_mcasts += nr64_mac(RXMAC_MC_FRM_CNT); 6200a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_bcasts += nr64_mac(RXMAC_BC_FRM_CNT); 6201a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt1 += nr64_mac(RXMAC_HIST_CNT1); 6202a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt2 += nr64_mac(RXMAC_HIST_CNT2); 6203a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt3 += nr64_mac(RXMAC_HIST_CNT3); 6204a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt4 += nr64_mac(RXMAC_HIST_CNT4); 6205a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt5 += nr64_mac(RXMAC_HIST_CNT5); 6206a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt6 += nr64_mac(RXMAC_HIST_CNT6); 6207a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_hist_cnt7 += nr64_mac(RXMAC_HIST_CNT7); 6208a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_octets += nr64_mac(RXMAC_BT_CNT); 6209a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_code_violations += nr64_mac(RXMAC_CD_VIO_CNT); 6210a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_len_errors += nr64_mac(RXMAC_MPSZER_CNT); 6211a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_crc_errors += nr64_mac(RXMAC_CRC_ER_CNT); 6212a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6214a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_sync_bmac_stats(struct niu *np) 6215a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_bmac_stats *mp = &np->mac_stats.bmac; 6217a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6218a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_bytes += nr64_mac(BTXMAC_BYTE_CNT); 6219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->tx_frames += nr64_mac(BTXMAC_FRM_CNT); 6220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6221a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_frames += nr64_mac(BRXMAC_FRAME_CNT); 6222a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_align_errors += nr64_mac(BRXMAC_ALIGN_ERR_CNT); 6223a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_crc_errors += nr64_mac(BRXMAC_ALIGN_ERR_CNT); 6224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mp->rx_len_errors += nr64_mac(BRXMAC_CODE_VIOL_ERR_CNT); 6225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6227a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_sync_mac_stats(struct niu *np) 6228a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 6230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_sync_xmac_stats(np); 6231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 6232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_sync_bmac_stats(np); 6233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 62351a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemmingerstatic void niu_get_rx_stats(struct niu *np, 62361a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger struct rtnl_link_stats64 *stats) 6237a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 62381a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger u64 pkts, dropped, errors, bytes; 62399690c636ac118b6662f28308bee817343d9932d8David S. Miller struct rx_ring_info *rx_rings; 6240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 6241a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pkts = dropped = errors = bytes = 0; 62439690c636ac118b6662f28308bee817343d9932d8David S. Miller 62449690c636ac118b6662f28308bee817343d9932d8David S. Miller rx_rings = ACCESS_ONCE(np->rx_rings); 62459690c636ac118b6662f28308bee817343d9932d8David S. Miller if (!rx_rings) 62469690c636ac118b6662f28308bee817343d9932d8David S. Miller goto no_rings; 62479690c636ac118b6662f28308bee817343d9932d8David S. Miller 6248a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 62499690c636ac118b6662f28308bee817343d9932d8David S. Miller struct rx_ring_info *rp = &rx_rings[i]; 6250a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6251b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer niu_sync_rx_discard_stats(np, rp, 0); 6252b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer 6253a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pkts += rp->rx_packets; 6254a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bytes += rp->rx_bytes; 6255a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dropped += rp->rx_dropped; 6256a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller errors += rp->rx_errors; 6257a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 62589690c636ac118b6662f28308bee817343d9932d8David S. Miller 62599690c636ac118b6662f28308bee817343d9932d8David S. Millerno_rings: 62601a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger stats->rx_packets = pkts; 62611a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger stats->rx_bytes = bytes; 62621a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger stats->rx_dropped = dropped; 62631a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger stats->rx_errors = errors; 6264a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6265a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 62661a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemmingerstatic void niu_get_tx_stats(struct niu *np, 62671a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger struct rtnl_link_stats64 *stats) 6268a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 62691a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger u64 pkts, errors, bytes; 62709690c636ac118b6662f28308bee817343d9932d8David S. Miller struct tx_ring_info *tx_rings; 6271a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 6272a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6273a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pkts = errors = bytes = 0; 62749690c636ac118b6662f28308bee817343d9932d8David S. Miller 62759690c636ac118b6662f28308bee817343d9932d8David S. Miller tx_rings = ACCESS_ONCE(np->tx_rings); 62769690c636ac118b6662f28308bee817343d9932d8David S. Miller if (!tx_rings) 62779690c636ac118b6662f28308bee817343d9932d8David S. Miller goto no_rings; 62789690c636ac118b6662f28308bee817343d9932d8David S. Miller 6279a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 62809690c636ac118b6662f28308bee817343d9932d8David S. Miller struct tx_ring_info *rp = &tx_rings[i]; 6281a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6282a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pkts += rp->tx_packets; 6283a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bytes += rp->tx_bytes; 6284a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller errors += rp->tx_errors; 6285a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 62869690c636ac118b6662f28308bee817343d9932d8David S. Miller 62879690c636ac118b6662f28308bee817343d9932d8David S. Millerno_rings: 62881a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger stats->tx_packets = pkts; 62891a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger stats->tx_bytes = bytes; 62901a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger stats->tx_errors = errors; 6291a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6292a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 62931a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemmingerstatic struct rtnl_link_stats64 *niu_get_stats(struct net_device *dev, 62941a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger struct rtnl_link_stats64 *stats) 6295a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6296a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 62989690c636ac118b6662f28308bee817343d9932d8David S. Miller if (netif_running(dev)) { 62991a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger niu_get_rx_stats(np, stats); 63001a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger niu_get_tx_stats(np, stats); 63019690c636ac118b6662f28308bee817343d9932d8David S. Miller } 63021a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger 63031a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger return stats; 6304a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6305a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6306a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_load_hash_xmac(struct niu *np, u16 *hash) 6307a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6308a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 6309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6310a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < 16; i++) 6311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_HASH_TBL(i), hash[i]); 6312a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6313a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6314a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_load_hash_bmac(struct niu *np, u16 *hash) 6315a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6316a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 6317a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6318a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < 16; i++) 6319a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_HASH_TBL(i), hash[i]); 6320a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6321a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6322a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_load_hash(struct niu *np, u16 *hash) 6323a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6324a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 6325a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_load_hash_xmac(np, hash); 6326a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 6327a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_load_hash_bmac(np, hash); 6328a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6329a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6330a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_set_rx_mode(struct net_device *dev) 6331a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6332a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6333a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, alt_cnt, err; 6334ccffad25b5136958d4769ed6de5e87992dd9c65cJiri Pirko struct netdev_hw_addr *ha; 6335a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 6336a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 hash[16] = { 0, }; 6337a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6338a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 6339a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_rx_mac(np, 0); 6340a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6341a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~(NIU_FLAGS_MCAST | NIU_FLAGS_PROMISC); 6342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (dev->flags & IFF_PROMISC) 6343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_PROMISC; 63444cd24eaf0c6ee7f0242e34ee77ec899f255e66b5Jiri Pirko if ((dev->flags & IFF_ALLMULTI) || (!netdev_mc_empty(dev))) 6345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_MCAST; 6346a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 634732e7bfc41110bc8f29ec0f293c3bcee6645fef34Jiri Pirko alt_cnt = netdev_uc_count(dev); 6348a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (alt_cnt > niu_num_alt_addr(np)) { 6349a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller alt_cnt = 0; 6350a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_PROMISC; 6351a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6352a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6353a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (alt_cnt) { 6354a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int index = 0; 6355a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 635632e7bfc41110bc8f29ec0f293c3bcee6645fef34Jiri Pirko netdev_for_each_uc_addr(ha, dev) { 6357ccffad25b5136958d4769ed6de5e87992dd9c65cJiri Pirko err = niu_set_alt_mac(np, index, ha->addr); 6358a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6359f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_warn(dev, "Error %d adding alt mac %d\n", 6360f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches err, index); 6361a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_enable_alt_mac(np, index, 1); 6362a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6363f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_warn(dev, "Error %d enabling alt mac %d\n", 6364f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches err, index); 6365a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6366a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller index++; 6367a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6368a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 63693b5bcedeeb755b6e813537fcf4c32f010b490aefMatheos Worku int alt_start; 63703b5bcedeeb755b6e813537fcf4c32f010b490aefMatheos Worku if (np->flags & NIU_FLAGS_XMAC) 63713b5bcedeeb755b6e813537fcf4c32f010b490aefMatheos Worku alt_start = 0; 63723b5bcedeeb755b6e813537fcf4c32f010b490aefMatheos Worku else 63733b5bcedeeb755b6e813537fcf4c32f010b490aefMatheos Worku alt_start = 1; 63743b5bcedeeb755b6e813537fcf4c32f010b490aefMatheos Worku for (i = alt_start; i < niu_num_alt_addr(np); i++) { 6375a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_enable_alt_mac(np, i, 0); 6376a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6377f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_warn(dev, "Error %d disabling alt mac %d\n", 6378f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches err, i); 6379a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6380a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6381a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (dev->flags & IFF_ALLMULTI) { 6382a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < 16; i++) 6383a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller hash[i] = 0xffff; 63844cd24eaf0c6ee7f0242e34ee77ec899f255e66b5Jiri Pirko } else if (!netdev_mc_empty(dev)) { 638522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_for_each_mc_addr(ha, dev) { 638622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko u32 crc = ether_crc_le(ETH_ALEN, ha->addr); 6387a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6388a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller crc >>= 24; 6389a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller hash[crc >> 4] |= (1 << (15 - (crc & 0xf))); 6390a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6391a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6392a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6393a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_MCAST) 6394a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_load_hash(np, hash); 6395a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6396a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_rx_mac(np, 1); 6397a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 6398a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6399a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6400a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_mac_addr(struct net_device *dev, void *p) 6401a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6402a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6403a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct sockaddr *addr = p; 6404a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 6405a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6406a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!is_valid_ether_addr(addr->sa_data)) 6407504f9b5a6bb5336ad434438d0cdd61a16db80129Danny Kukawka return -EADDRNOTAVAIL; 6408a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6409a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); 6410a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6411a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!netif_running(dev)) 6412a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 6413a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6414a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 6415a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_rx_mac(np, 0); 6416a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_primary_mac(np, dev->dev_addr); 6417a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_rx_mac(np, 1); 6418a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 6419a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6420a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 6421a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6422a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6423a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 6424a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6425a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EOPNOTSUPP; 6426a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6427a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6428a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_netif_stop(struct niu *np) 6429a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6430a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->dev->trans_start = jiffies; /* prevent tx timeout */ 6431a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6432a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_disable_napi(np); 6433a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6434a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_tx_disable(np->dev); 6435a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6436a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6437a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_netif_start(struct niu *np) 6438a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6439a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* NOTE: unconditional netif_wake_queue is only appropriate 6440a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * so long as all callers are assured to have free tx slots 6441a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * (such as after niu_init_hw). 6442a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 6443b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller netif_tx_wake_all_queues(np->dev); 6444a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6445a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_napi(np); 6446a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6447a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_interrupts(np, 1); 6448a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6449a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6450cff502a38394fd33693f6233e03fca363dfa956dSantwona Beherastatic void niu_reset_buffers(struct niu *np) 6451cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera{ 6452cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera int i, j, k, err; 6453cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6454cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera if (np->rx_rings) { 6455cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera for (i = 0; i < np->num_rx_rings; i++) { 6456cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera struct rx_ring_info *rp = &np->rx_rings[i]; 6457cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6458cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera for (j = 0, k = 0; j < MAX_RBR_RING_SIZE; j++) { 6459cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera struct page *page; 6460cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6461cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera page = rp->rxhash[j]; 6462cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera while (page) { 6463cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera struct page *next = 6464cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera (struct page *) page->mapping; 6465cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera u64 base = page->index; 6466cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera base = base >> RBR_DESCR_ADDR_SHIFT; 6467cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->rbr[k++] = cpu_to_le32(base); 6468cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera page = next; 6469cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera } 6470cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera } 6471cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera for (; k < MAX_RBR_RING_SIZE; k++) { 6472cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera err = niu_rbr_add_page(np, rp, GFP_ATOMIC, k); 6473cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera if (unlikely(err)) 6474cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera break; 6475cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera } 6476cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6477cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->rbr_index = rp->rbr_table_size - 1; 6478cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->rcr_index = 0; 6479cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->rbr_pending = 0; 6480cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->rbr_refill_pending = 0; 6481cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera } 6482cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera } 6483cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera if (np->tx_rings) { 6484cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera for (i = 0; i < np->num_tx_rings; i++) { 6485cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera struct tx_ring_info *rp = &np->tx_rings[i]; 6486cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6487cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera for (j = 0; j < MAX_TX_RING_SIZE; j++) { 6488cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera if (rp->tx_buffs[j].skb) 6489cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera (void) release_tx_packet(np, rp, j); 6490cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera } 6491cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6492cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->pending = MAX_TX_RING_SIZE; 6493cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->prod = 0; 6494cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->cons = 0; 6495cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera rp->wrap_bit = 0; 6496cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera } 6497cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera } 6498cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera} 6499cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6500a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_reset_task(struct work_struct *work) 6501a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6502a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = container_of(work, struct niu, reset_task); 6503a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 6504a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 6505a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6506a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 6507a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!netif_running(np->dev)) { 6508a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 6509a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 6510a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6511a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6512a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 6513a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6514a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller del_timer_sync(&np->timer); 6515a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6516a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_netif_stop(np); 6517a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6518a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 6519a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6520a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_hw(np); 6521a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6522cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera spin_unlock_irqrestore(&np->lock, flags); 6523cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6524cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera niu_reset_buffers(np); 6525cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6526cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera spin_lock_irqsave(&np->lock, flags); 6527cff502a38394fd33693f6233e03fca363dfa956dSantwona Behera 6528a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_hw(np); 6529a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 6530a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.expires = jiffies + HZ; 6531a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller add_timer(&np->timer); 6532a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_netif_start(np); 6533a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6534a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6535a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 6536a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6537a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6538a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_tx_timeout(struct net_device *dev) 6539a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6540a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6541a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6542f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "%s: Transmit timed out, resetting\n", 6543a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->name); 6544a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6545a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller schedule_work(&np->reset_task); 6546a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6547a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6548a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_set_txd(struct tx_ring_info *rp, int index, 6549a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 mapping, u64 len, u64 mark, 6550a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 n_frags) 6551a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6552a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __le64 *desc = &rp->descr[index]; 6553a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6554a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *desc = cpu_to_le64(mark | 6555a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (n_frags << TX_DESC_NUM_PTR_SHIFT) | 6556a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (len << TX_DESC_TR_LEN_SHIFT) | 6557a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (mapping & TX_DESC_SAD)); 6558a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6559a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6560a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 niu_compute_tx_flags(struct sk_buff *skb, struct ethhdr *ehdr, 6561a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 pad_bytes, u64 len) 6562a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6563a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 eth_proto, eth_proto_inner; 6564a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 csum_bits, l3off, ihl, ret; 6565a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 ip_proto; 6566a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ipv6; 6567a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6568a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller eth_proto = be16_to_cpu(ehdr->h_proto); 6569a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller eth_proto_inner = eth_proto; 6570a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (eth_proto == ETH_P_8021Q) { 6571a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct vlan_ethhdr *vp = (struct vlan_ethhdr *) ehdr; 6572a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __be16 val = vp->h_vlan_encapsulated_proto; 6573a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6574a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller eth_proto_inner = be16_to_cpu(val); 6575a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6576a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6577a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ipv6 = ihl = 0; 6578a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (skb->protocol) { 657909640e6365c679b5642b1c41b6d7078f51689ddfHarvey Harrison case cpu_to_be16(ETH_P_IP): 6580a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ip_proto = ip_hdr(skb)->protocol; 6581a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ihl = ip_hdr(skb)->ihl; 6582a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 658309640e6365c679b5642b1c41b6d7078f51689ddfHarvey Harrison case cpu_to_be16(ETH_P_IPV6): 6584a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ip_proto = ipv6_hdr(skb)->nexthdr; 6585a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ihl = (40 >> 2); 6586a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ipv6 = 1; 6587a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 6588a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 6589a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ip_proto = ihl = 0; 6590a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 6591a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6592a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6593a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller csum_bits = TXHDR_CSUM_NONE; 6594a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (skb->ip_summed == CHECKSUM_PARTIAL) { 6595a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 start, stuff; 6596a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6597a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller csum_bits = (ip_proto == IPPROTO_TCP ? 6598a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller TXHDR_CSUM_TCP : 6599a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ip_proto == IPPROTO_UDP ? 6600a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller TXHDR_CSUM_UDP : TXHDR_CSUM_SCTP)); 6601a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 66020d0b16727f24f8258eeb33818347ca0f4557f982Michał Mirosław start = skb_checksum_start_offset(skb) - 6603a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (pad_bytes + sizeof(struct tx_pkt_hdr)); 6604a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller stuff = start + skb->csum_offset; 6605a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6606a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller csum_bits |= (start / 2) << TXHDR_L4START_SHIFT; 6607a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller csum_bits |= (stuff / 2) << TXHDR_L4STUFF_SHIFT; 6608a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6609a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6610a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller l3off = skb_network_offset(skb) - 6611a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (pad_bytes + sizeof(struct tx_pkt_hdr)); 6612a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6613a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ret = (((pad_bytes / 2) << TXHDR_PAD_SHIFT) | 6614a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (len << TXHDR_LEN_SHIFT) | 6615a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((l3off / 2) << TXHDR_L3START_SHIFT) | 6616a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ihl << TXHDR_IHL_SHIFT) | 6617a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((eth_proto_inner < 1536) ? TXHDR_LLC : 0) | 6618a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ((eth_proto == ETH_P_8021Q) ? TXHDR_VLAN : 0) | 6619a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (ipv6 ? TXHDR_IP_VER : 0) | 6620a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller csum_bits); 6621a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6622a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return ret; 6623a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6624a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 662561357325f377889a1daffa14962d705dc814dd0eStephen Hemmingerstatic netdev_tx_t niu_start_xmit(struct sk_buff *skb, 662661357325f377889a1daffa14962d705dc814dd0eStephen Hemminger struct net_device *dev) 6627a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6628a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6629a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long align, headroom; 6630b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller struct netdev_queue *txq; 6631a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp; 6632a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_pkt_hdr *tp; 6633a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int len, nfg; 6634a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct ethhdr *ehdr; 6635a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int prod, i, tlen; 6636a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 mapping, mrk; 6637a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6638b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller i = skb_get_queue_mapping(skb); 6639b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller rp = &np->tx_rings[i]; 6640b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller txq = netdev_get_tx_queue(dev, i); 6641a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6642a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (niu_tx_avail(rp) <= (skb_shinfo(skb)->nr_frags + 1)) { 6643b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller netif_tx_stop_queue(txq); 6644f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "%s: BUG! Tx ring full when queue awake!\n", dev->name); 6645a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_errors++; 6646a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return NETDEV_TX_BUSY; 6647a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6648a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6649a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (skb->len < ETH_ZLEN) { 6650a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int pad_bytes = ETH_ZLEN - skb->len; 6651a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6652a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (skb_pad(skb, pad_bytes)) 6653a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 6654a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller skb_put(skb, pad_bytes); 6655a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6656a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6657a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = sizeof(struct tx_pkt_hdr) + 15; 6658a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (skb_headroom(skb) < len) { 6659a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct sk_buff *skb_new; 6660a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6661a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller skb_new = skb_realloc_headroom(skb, len); 6662a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!skb_new) { 6663a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_errors++; 6664a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out_drop; 6665a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6666a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller kfree_skb(skb); 6667a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller skb = skb_new; 66683ebebccf89b1b6e4fec4de05b245d6c459f27ce8David S. Miller } else 66693ebebccf89b1b6e4fec4de05b245d6c459f27ce8David S. Miller skb_orphan(skb); 6670a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6671a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller align = ((unsigned long) skb->data & (16 - 1)); 6672a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller headroom = align + sizeof(struct tx_pkt_hdr); 6673a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6674a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ehdr = (struct ethhdr *) skb->data; 6675a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp = (struct tx_pkt_hdr *) skb_push(skb, headroom); 6676a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6677a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = skb->len - sizeof(struct tx_pkt_hdr); 6678a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp->flags = cpu_to_le64(niu_compute_tx_flags(skb, ehdr, align, len)); 6679a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp->resv = 0; 6680a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6681a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = skb_headlen(skb); 6682a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mapping = np->ops->map_single(np->device, skb->data, 6683a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len, DMA_TO_DEVICE); 6684a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6685a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prod = rp->prod; 6686a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6687a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_buffs[prod].skb = skb; 6688a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_buffs[prod].mapping = mapping; 6689a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6690a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mrk = TX_DESC_SOP; 6691a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (++rp->mark_counter == rp->mark_freq) { 6692a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mark_counter = 0; 6693a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mrk |= TX_DESC_MARK; 6694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->mark_pending++; 6695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tlen = len; 6698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nfg = skb_shinfo(skb)->nr_frags; 6699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (tlen > 0) { 6700a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tlen -= MAX_TX_DESC_LEN; 6701a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nfg++; 6702a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6703a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6704a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (len > 0) { 6705a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int this_len = len; 6706a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6707a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (this_len > MAX_TX_DESC_LEN) 6708a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller this_len = MAX_TX_DESC_LEN; 6709a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6710a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_txd(rp, prod, mapping, this_len, mrk, nfg); 6711a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mrk = nfg = 0; 6712a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6713a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prod = NEXT_TX(rp, prod); 6714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mapping += this_len; 6715a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len -= this_len; 6716a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { 67199e903e085262ffbf1fc44a17ac06058aca03524aEric Dumazet const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; 6720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 67219e903e085262ffbf1fc44a17ac06058aca03524aEric Dumazet len = skb_frag_size(frag); 6722134b413ca3a1055608495bbb60caeb754a073766Ian Campbell mapping = np->ops->map_page(np->device, skb_frag_page(frag), 6723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller frag->page_offset, len, 6724a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller DMA_TO_DEVICE); 6725a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6726a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_buffs[prod].skb = NULL; 6727a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_buffs[prod].mapping = mapping; 6728a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6729a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_txd(rp, prod, mapping, len, 0, 0); 6730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prod = NEXT_TX(rp, prod); 6732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6734a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (prod < rp->prod) 6735a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->wrap_bit ^= TX_RING_KICK_WRAP; 6736a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->prod = prod; 6737a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(TX_RING_KICK(rp->tx_channel), rp->wrap_bit | (prod << 3)); 6739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (unlikely(niu_tx_avail(rp) <= (MAX_SKB_FRAGS + 1))) { 6741b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller netif_tx_stop_queue(txq); 6742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)) 6743b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller netif_tx_wake_queue(txq); 6744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6745a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6746a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout: 6747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return NETDEV_TX_OK; 6748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6749a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerout_drop: 6750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rp->tx_errors++; 6751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller kfree_skb(skb); 6752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto out; 6753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6754a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_change_mtu(struct net_device *dev, int new_mtu) 6756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, orig_jumbo, new_jumbo; 6759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (new_mtu < 68 || new_mtu > NIU_MAX_MTU) 6761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 6762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller orig_jumbo = (dev->mtu > ETH_DATA_LEN); 6764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller new_jumbo = (new_mtu > ETH_DATA_LEN); 6765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->mtu = new_mtu; 6767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!netif_running(dev) || 6769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (orig_jumbo == new_jumbo)) 6770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 6771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_full_shutdown(np, dev); 6773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_free_channels(np); 6775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_napi(np); 6777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_alloc_channels(np); 6779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 6781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6782a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irq(&np->lock); 6783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_hw(np); 6785a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 6786a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller init_timer(&np->timer); 6787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.expires = jiffies + HZ; 6788a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.data = (unsigned long) np; 6789a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.function = niu_timer; 6790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_enable_interrupts(np, 1); 6792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 6793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_hw(np); 6794a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6795a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6796a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irq(&np->lock); 6797a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 6799b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller netif_tx_start_all_queues(dev); 6800a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->link_config.loopback_mode != LOOPBACK_DISABLED) 6801a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_carrier_on(dev); 6802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6803a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller add_timer(&np->timer); 6804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6805a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 6807a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6809a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_get_drvinfo(struct net_device *dev, 6810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct ethtool_drvinfo *info) 6811a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6813a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_vpd *vpd = &np->vpd; 6814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 681523020ab35364f2c91133b099c2b1f7458e29aa96Rick Jones strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 681623020ab35364f2c91133b099c2b1f7458e29aa96Rick Jones strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 681723020ab35364f2c91133b099c2b1f7458e29aa96Rick Jones snprintf(info->fw_version, sizeof(info->fw_version), "%d.%d", 6818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller vpd->fcode_major, vpd->fcode_minor); 6819a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type != PLAT_TYPE_NIU) 682023020ab35364f2c91133b099c2b1f7458e29aa96Rick Jones strlcpy(info->bus_info, pci_name(np->pdev), 682123020ab35364f2c91133b099c2b1f7458e29aa96Rick Jones sizeof(info->bus_info)); 6822a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6823a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6824a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 6825a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6826a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6827a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_link_config *lp; 6828a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6829a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp = &np->link_config; 6830a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6831a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memset(cmd, 0, sizeof(*cmd)); 6832a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cmd->phy_address = np->phy_addr; 6833a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cmd->supported = lp->supported; 683438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov cmd->advertising = lp->active_advertising; 683538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov cmd->autoneg = lp->active_autoneg; 6836707394972093e2056e1e8cc39be19cf9bcb3e7b3David Decotigny ethtool_cmd_speed_set(cmd, lp->active_speed); 6837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cmd->duplex = lp->active_duplex; 683838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov cmd->port = (np->flags & NIU_FLAGS_FIBER) ? PORT_FIBRE : PORT_TP; 683938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov cmd->transceiver = (np->flags & NIU_FLAGS_XCVR_SERDES) ? 684038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov XCVR_EXTERNAL : XCVR_INTERNAL; 6841a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6842a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 6843a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6844a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6845a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 6846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 684738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov struct niu *np = netdev_priv(dev); 684838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov struct niu_link_config *lp = &np->link_config; 684938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 685038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->advertising = cmd->advertising; 685125db0338813a8915457636b1f6abe6a28fa73f8dDavid Decotigny lp->speed = ethtool_cmd_speed(cmd); 685238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->duplex = cmd->duplex; 685338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->autoneg = cmd->autoneg; 685438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return niu_init_link(np); 6855a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6856a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6857a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u32 niu_get_msglevel(struct net_device *dev) 6858a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6860a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return np->msg_enable; 6861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6862a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_set_msglevel(struct net_device *dev, u32 value) 6864a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6866a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->msg_enable = value; 6867a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6868a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 686938bb045d493cc166920834087acd934dedc1b5d5Constantin Baranovstatic int niu_nway_reset(struct net_device *dev) 687038bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov{ 687138bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov struct niu *np = netdev_priv(dev); 687238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 687338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov if (np->link_config.autoneg) 687438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return niu_init_link(np); 687538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 687638bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov return 0; 687738bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov} 687838bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov 6879a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_get_eeprom_len(struct net_device *dev) 6880a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return np->eeprom_len; 6884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6885a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6886a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_get_eeprom(struct net_device *dev, 6887a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct ethtool_eeprom *eeprom, u8 *data) 6888a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 6889a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 6890a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 offset, len, val; 6891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6892a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller offset = eeprom->offset; 6893a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = eeprom->len; 6894a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (offset + len < offset) 6896a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 6897a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (offset >= np->eeprom_len) 6898a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 6899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (offset + len > np->eeprom_len) 6900a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = eeprom->len = np->eeprom_len - offset; 6901a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6902a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (offset & 3) { 6903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 b_offset, b_count; 6904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller b_offset = offset & 3; 6906a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller b_count = 4 - b_offset; 6907a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (b_count > len) 6908a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller b_count = len; 6909a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 6910a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_NCR((offset - b_offset) / 4)); 6911a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, ((char *)&val) + b_offset, b_count); 6912a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += b_count; 6913a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len -= b_count; 6914a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller offset += b_count; 6915a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6916a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (len >= 4) { 6917a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_NCR(offset / 4)); 6918a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, &val, 4); 6919a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += 4; 6920a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len -= 4; 6921a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller offset += 4; 6922a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6923a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (len) { 6924a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_NCR(offset / 4)); 6925a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, &val, len); 6926a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 6927a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 6928a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 6929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 69302d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic void niu_ethflow_to_l3proto(int flow_type, u8 *pid) 69312d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 69322d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (flow_type) { 69332d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case TCP_V4_FLOW: 69342d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case TCP_V6_FLOW: 69352d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *pid = IPPROTO_TCP; 69362d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69372d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case UDP_V4_FLOW: 69382d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case UDP_V6_FLOW: 69392d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *pid = IPPROTO_UDP; 69402d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69412d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case SCTP_V4_FLOW: 69422d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case SCTP_V6_FLOW: 69432d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *pid = IPPROTO_SCTP; 69442d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69452d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V4_FLOW: 69462d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V6_FLOW: 69472d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *pid = IPPROTO_AH; 69482d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69492d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V4_FLOW: 69502d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V6_FLOW: 69512d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *pid = IPPROTO_ESP; 69522d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69532d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 69542d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *pid = 0; 69552d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69562d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 69572d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 69582d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 69592d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_class_to_ethflow(u64 class, int *flow_type) 69602d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 69612d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (class) { 69622d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_TCP_IPV4: 69632d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = TCP_V4_FLOW; 69642d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69652d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_UDP_IPV4: 69662d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = UDP_V4_FLOW; 69672d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69682d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_AH_ESP_IPV4: 69692d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = AH_V4_FLOW; 69702d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69712d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_SCTP_IPV4: 69722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = SCTP_V4_FLOW; 69732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69742d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_TCP_IPV6: 69752d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = TCP_V6_FLOW; 69762d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69772d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_UDP_IPV6: 69782d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = UDP_V6_FLOW; 69792d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69802d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_AH_ESP_IPV6: 69812d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = AH_V6_FLOW; 69822d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69832d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_SCTP_IPV6: 69842d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = SCTP_V6_FLOW; 69852d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69862d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_USER_PROG1: 69872d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_USER_PROG2: 69882d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_USER_PROG3: 69892d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case CLASS_CODE_USER_PROG4: 69902d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera *flow_type = IP_USER_FLOW; 69912d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 69922d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 69932d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return 0; 69942d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 69952d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 69962d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return 1; 69972d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 69982d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 6999b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Beherastatic int niu_ethflow_to_class(int flow_type, u64 *class) 7000b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera{ 7001b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera switch (flow_type) { 7002b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera case TCP_V4_FLOW: 7003b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *class = CLASS_CODE_TCP_IPV4; 7004b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera break; 7005b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera case UDP_V4_FLOW: 7006b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *class = CLASS_CODE_UDP_IPV4; 7007b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera break; 7008c44d79950b2daa1025e62eede73e4e4a274d1ef3Ben Hutchings case AH_ESP_V4_FLOW: 70092d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V4_FLOW: 70102d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V4_FLOW: 7011b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *class = CLASS_CODE_AH_ESP_IPV4; 7012b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera break; 7013b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera case SCTP_V4_FLOW: 7014b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *class = CLASS_CODE_SCTP_IPV4; 7015b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera break; 7016b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera case TCP_V6_FLOW: 7017b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *class = CLASS_CODE_TCP_IPV6; 7018b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera break; 7019b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera case UDP_V6_FLOW: 7020b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *class = CLASS_CODE_UDP_IPV6; 7021b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera break; 7022c44d79950b2daa1025e62eede73e4e4a274d1ef3Ben Hutchings case AH_ESP_V6_FLOW: 70232d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V6_FLOW: 70242d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V6_FLOW: 7025b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *class = CLASS_CODE_AH_ESP_IPV6; 7026b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera break; 7027b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera case SCTP_V6_FLOW: 7028b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *class = CLASS_CODE_SCTP_IPV6; 7029b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera break; 7030b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera default: 703138c080ffa9c1b840390832b42ce8621464ab9f97Andreas Schwab return 0; 7032b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera } 7033b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7034b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return 1; 7035b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera} 7036b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7037b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Beherastatic u64 niu_flowkey_to_ethflow(u64 flow_key) 7038b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera{ 7039b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera u64 ethflow = 0; 7040b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7041b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (flow_key & FLOW_KEY_L2DA) 7042b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera ethflow |= RXH_L2DA; 7043b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (flow_key & FLOW_KEY_VLAN) 7044b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera ethflow |= RXH_VLAN; 7045b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (flow_key & FLOW_KEY_IPSA) 7046b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera ethflow |= RXH_IP_SRC; 7047b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (flow_key & FLOW_KEY_IPDA) 7048b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera ethflow |= RXH_IP_DST; 7049b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (flow_key & FLOW_KEY_PROTO) 7050b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera ethflow |= RXH_L3_PROTO; 7051b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (flow_key & (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_0_SHIFT)) 7052b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera ethflow |= RXH_L4_B_0_1; 7053b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (flow_key & (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_1_SHIFT)) 7054b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera ethflow |= RXH_L4_B_2_3; 7055b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7056b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return ethflow; 7057b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7058b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera} 7059b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7060b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Beherastatic int niu_ethflow_to_flowkey(u64 ethflow, u64 *flow_key) 7061b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera{ 7062b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera u64 key = 0; 7063b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7064b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (ethflow & RXH_L2DA) 7065b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera key |= FLOW_KEY_L2DA; 7066b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (ethflow & RXH_VLAN) 7067b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera key |= FLOW_KEY_VLAN; 7068b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (ethflow & RXH_IP_SRC) 7069b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera key |= FLOW_KEY_IPSA; 7070b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (ethflow & RXH_IP_DST) 7071b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera key |= FLOW_KEY_IPDA; 7072b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (ethflow & RXH_L3_PROTO) 7073b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera key |= FLOW_KEY_PROTO; 7074b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (ethflow & RXH_L4_B_0_1) 7075b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera key |= (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_0_SHIFT); 7076b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (ethflow & RXH_L4_B_2_3) 7077b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera key |= (FLOW_KEY_L4_BYTE12 << FLOW_KEY_L4_1_SHIFT); 7078b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7079b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera *flow_key = key; 7080b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7081b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return 1; 7082b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7083b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera} 7084b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 70852d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_get_hash_opts(struct niu *np, struct ethtool_rxnfc *nfc) 7086b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera{ 7087b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera u64 class; 7088b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 70892d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera nfc->data = 0; 7090b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 70912d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (!niu_ethflow_to_class(nfc->flow_type, &class)) 7092b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return -EINVAL; 7093b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7094b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] & 7095b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera TCAM_KEY_DISC) 70962d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera nfc->data = RXH_DISCARD; 7097b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera else 70982d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera nfc->data = niu_flowkey_to_ethflow(np->parent->flow_key[class - 7099b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera CLASS_CODE_USER_PROG1]); 7100b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return 0; 7101b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera} 7102b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 71032d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic void niu_get_ip4fs_from_tcam_key(struct niu_tcam_entry *tp, 71042d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct ethtool_rx_flow_spec *fsp) 71052d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 7106ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison u32 tmp; 7107ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison u16 prt; 71082d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 7109ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison tmp = (tp->key[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT; 7110ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->h_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp); 7111ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison 7112ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison tmp = (tp->key[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT; 7113ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->h_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp); 7114ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison 7115ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison tmp = (tp->key_mask[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT; 7116ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp); 7117ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison 7118ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison tmp = (tp->key_mask[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT; 7119ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp); 71202d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 71212d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->h_u.tcp_ip4_spec.tos = (tp->key[2] & TCAM_V4KEY2_TOS) >> 71222d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_TOS_SHIFT; 71232d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->m_u.tcp_ip4_spec.tos = (tp->key_mask[2] & TCAM_V4KEY2_TOS) >> 71242d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_TOS_SHIFT; 71252d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 71262d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (fsp->flow_type) { 71272d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case TCP_V4_FLOW: 71282d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case UDP_V4_FLOW: 71292d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case SCTP_V4_FLOW: 7130ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7131ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16; 7132ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->h_u.tcp_ip4_spec.psrc = cpu_to_be16(prt); 7133ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison 7134ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 7135ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff; 7136ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->h_u.tcp_ip4_spec.pdst = cpu_to_be16(prt); 71372d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 7138ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7139ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16; 7140ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->m_u.tcp_ip4_spec.psrc = cpu_to_be16(prt); 7141ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison 7142ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7143ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff; 7144ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->m_u.tcp_ip4_spec.pdst = cpu_to_be16(prt); 71452d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 71462d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V4_FLOW: 71472d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V4_FLOW: 7148ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 71492d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_PORT_SPI_SHIFT; 7150ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->h_u.ah_ip4_spec.spi = cpu_to_be32(tmp); 71512d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 7152ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7153ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison TCAM_V4KEY2_PORT_SPI_SHIFT; 7154ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->m_u.ah_ip4_spec.spi = cpu_to_be32(tmp); 71552d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 71562d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case IP_USER_FLOW: 7157ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >> 71582d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_PORT_SPI_SHIFT; 7159ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->h_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp); 71602d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 7161ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >> 7162ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison TCAM_V4KEY2_PORT_SPI_SHIFT; 7163ed440e82fee9652715a8145ffee8f56396017d9aHarvey Harrison fsp->m_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp); 71642d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 71652d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->h_u.usr_ip4_spec.proto = 71662d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera (tp->key[2] & TCAM_V4KEY2_PROTO) >> 71672d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_PROTO_SHIFT; 71682d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->m_u.usr_ip4_spec.proto = 71692d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera (tp->key_mask[2] & TCAM_V4KEY2_PROTO) >> 71702d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_PROTO_SHIFT; 71712d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 71722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 71732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 71742d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 71752d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 71762d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 71772d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 71782d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 71792d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_get_ethtool_tcam_entry(struct niu *np, 71802d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct ethtool_rxnfc *nfc) 71812d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 71822d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_parent *parent = np->parent; 71832d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_tcam_entry *tp; 71842d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct ethtool_rx_flow_spec *fsp = &nfc->fs; 71852d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u16 idx; 71862d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u64 class; 71872d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int ret = 0; 71882d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 71892d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera idx = tcam_get_index(np, (u16)nfc->fs.location); 71902d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 71912d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp = &parent->tcam[idx]; 71922d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (!tp->valid) { 7193f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_info(np->dev, "niu%d: entry [%d] invalid for idx[%d]\n", 7194f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches parent->index, (u16)nfc->fs.location, idx); 71952d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return -EINVAL; 71962d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 71972d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 71982d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* fill the flow spec entry */ 71992d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera class = (tp->key[0] & TCAM_V4KEY0_CLASS_CODE) >> 72002d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY0_CLASS_CODE_SHIFT; 72012d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = niu_class_to_ethflow(class, &fsp->flow_type); 72022d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72032d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (ret < 0) { 7204f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_info(np->dev, "niu%d: niu_class_to_ethflow failed\n", 7205f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches parent->index); 72062d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 72072d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 72082d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 72092d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72102d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (fsp->flow_type == AH_V4_FLOW || fsp->flow_type == AH_V6_FLOW) { 72112d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u32 proto = (tp->key[2] & TCAM_V4KEY2_PROTO) >> 72122d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_PROTO_SHIFT; 72132d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (proto == IPPROTO_ESP) { 72142d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (fsp->flow_type == AH_V4_FLOW) 72152d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->flow_type = ESP_V4_FLOW; 72162d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera else 72172d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->flow_type = ESP_V6_FLOW; 72182d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 72192d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 72202d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72212d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (fsp->flow_type) { 72222d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case TCP_V4_FLOW: 72232d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case UDP_V4_FLOW: 72242d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case SCTP_V4_FLOW: 72252d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V4_FLOW: 72262d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V4_FLOW: 72272d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_get_ip4fs_from_tcam_key(tp, fsp); 72282d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 72292d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case TCP_V6_FLOW: 72302d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case UDP_V6_FLOW: 72312d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case SCTP_V6_FLOW: 72322d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V6_FLOW: 72332d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V6_FLOW: 72342d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* Not yet implemented */ 72352d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 72362d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 72372d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case IP_USER_FLOW: 72382d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_get_ip4fs_from_tcam_key(tp, fsp); 72392d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 72402d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 72412d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 72422d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 72432d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 72442d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72452d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (ret < 0) 72462d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 72472d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72482d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (tp->assoc_data & TCAM_ASSOCDATA_DISC) 72492d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->ring_cookie = RX_CLS_FLOW_DISC; 72502d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera else 72512d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera fsp->ring_cookie = (tp->assoc_data & TCAM_ASSOCDATA_OFFSET) >> 72522d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_ASSOCDATA_OFFSET_SHIFT; 72532d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72542d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* put the tcam size here */ 72552d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera nfc->data = tcam_get_size(np); 72562d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beheraout: 72572d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return ret; 72582d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 72592d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72602d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_get_ethtool_tcam_all(struct niu *np, 72612d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct ethtool_rxnfc *nfc, 72622d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u32 *rule_locs) 72632d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 72642d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_parent *parent = np->parent; 72652d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_tcam_entry *tp; 72662d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int i, idx, cnt; 72672d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera unsigned long flags; 7268ee9c5cfad29c8a13199962614b9b16f1c4137ac9Ben Hutchings int ret = 0; 72692d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72702d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* put the tcam size here */ 72712d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera nfc->data = tcam_get_size(np); 72722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_lock_parent(np, flags); 72742d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera for (cnt = 0, i = 0; i < nfc->data; i++) { 72752d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera idx = tcam_get_index(np, i); 72762d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp = &parent->tcam[idx]; 72772d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (!tp->valid) 72782d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera continue; 7279ee9c5cfad29c8a13199962614b9b16f1c4137ac9Ben Hutchings if (cnt == nfc->rule_cnt) { 7280ee9c5cfad29c8a13199962614b9b16f1c4137ac9Ben Hutchings ret = -EMSGSIZE; 7281ee9c5cfad29c8a13199962614b9b16f1c4137ac9Ben Hutchings break; 7282ee9c5cfad29c8a13199962614b9b16f1c4137ac9Ben Hutchings } 72832d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera rule_locs[cnt] = i; 72842d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera cnt++; 72852d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 72862d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_unlock_parent(np, flags); 72872d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 7288473e64ee4603671efa1e0785418e56e9ffdfc47bBen Hutchings nfc->rule_cnt = cnt; 7289473e64ee4603671efa1e0785418e56e9ffdfc47bBen Hutchings 7290ee9c5cfad29c8a13199962614b9b16f1c4137ac9Ben Hutchings return ret; 72912d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 72922d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72932d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 7294815c7db5c809ea3d5735de3131ecdf758b0e14ffBen Hutchings u32 *rule_locs) 7295b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera{ 7296b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera struct niu *np = netdev_priv(dev); 72972d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int ret = 0; 72982d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 72992d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (cmd->cmd) { 73002d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ETHTOOL_GRXFH: 73012d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = niu_get_hash_opts(np, cmd); 73022d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 73032d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ETHTOOL_GRXRINGS: 73042d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera cmd->data = np->num_rx_rings; 73052d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 73062d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ETHTOOL_GRXCLSRLCNT: 73072d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera cmd->rule_cnt = tcam_get_valid_entry_cnt(np); 73082d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 73092d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ETHTOOL_GRXCLSRULE: 73102d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = niu_get_ethtool_tcam_entry(np, cmd); 73112d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 73122d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ETHTOOL_GRXCLSRLALL: 7313815c7db5c809ea3d5735de3131ecdf758b0e14ffBen Hutchings ret = niu_get_ethtool_tcam_all(np, cmd, rule_locs); 73142d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 73152d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 73162d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 73172d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 73182d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 73192d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 73202d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return ret; 73212d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 73222d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 73232d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_set_hash_opts(struct niu *np, struct ethtool_rxnfc *nfc) 73242d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 7325b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera u64 class; 7326b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera u64 flow_key = 0; 7327b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera unsigned long flags; 7328b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 73292d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (!niu_ethflow_to_class(nfc->flow_type, &class)) 7330b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return -EINVAL; 7331b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7332b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (class < CLASS_CODE_USER_PROG1 || 7333b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera class > CLASS_CODE_SCTP_IPV6) 7334b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return -EINVAL; 7335b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 73362d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (nfc->data & RXH_DISCARD) { 7337b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera niu_lock_parent(np, flags); 7338b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera flow_key = np->parent->tcam_key[class - 7339b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera CLASS_CODE_USER_PROG1]; 7340b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera flow_key |= TCAM_KEY_DISC; 7341b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera nw64(TCAM_KEY(class - CLASS_CODE_USER_PROG1), flow_key); 7342b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] = flow_key; 7343b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera niu_unlock_parent(np, flags); 7344b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return 0; 7345b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera } else { 7346b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera /* Discard was set before, but is not set now */ 7347b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera if (np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] & 7348b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera TCAM_KEY_DISC) { 7349b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera niu_lock_parent(np, flags); 7350b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera flow_key = np->parent->tcam_key[class - 7351b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera CLASS_CODE_USER_PROG1]; 7352b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera flow_key &= ~TCAM_KEY_DISC; 7353b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera nw64(TCAM_KEY(class - CLASS_CODE_USER_PROG1), 7354b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera flow_key); 7355b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera np->parent->tcam_key[class - CLASS_CODE_USER_PROG1] = 7356b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera flow_key; 7357b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera niu_unlock_parent(np, flags); 7358b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera } 7359b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera } 7360b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 73612d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (!niu_ethflow_to_flowkey(nfc->data, &flow_key)) 7362b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return -EINVAL; 7363b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7364b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera niu_lock_parent(np, flags); 7365b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera nw64(FLOW_KEY(class - CLASS_CODE_USER_PROG1), flow_key); 7366b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera np->parent->flow_key[class - CLASS_CODE_USER_PROG1] = flow_key; 7367b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera niu_unlock_parent(np, flags); 7368b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 7369b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera return 0; 7370b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera} 7371b4653e99450693b75a3c6c8ff4f070164f12815eSantwona Behera 73722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic void niu_get_tcamkey_from_ip4fs(struct ethtool_rx_flow_spec *fsp, 73732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_tcam_entry *tp, 73742d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int l2_rdc_tab, u64 class) 73752d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 73762d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u8 pid = 0; 73772d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u32 sip, dip, sipm, dipm, spi, spim; 73782d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u16 sport, dport, spm, dpm; 73792d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 73802d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera sip = be32_to_cpu(fsp->h_u.tcp_ip4_spec.ip4src); 73812d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera sipm = be32_to_cpu(fsp->m_u.tcp_ip4_spec.ip4src); 73822d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera dip = be32_to_cpu(fsp->h_u.tcp_ip4_spec.ip4dst); 73832d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera dipm = be32_to_cpu(fsp->m_u.tcp_ip4_spec.ip4dst); 73842d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 73852d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[0] = class << TCAM_V4KEY0_CLASS_CODE_SHIFT; 73862d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[0] = TCAM_V4KEY0_CLASS_CODE; 73872d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[1] = (u64)l2_rdc_tab << TCAM_V4KEY1_L2RDCNUM_SHIFT; 73882d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[1] = TCAM_V4KEY1_L2RDCNUM; 73892d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 73902d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[3] = (u64)sip << TCAM_V4KEY3_SADDR_SHIFT; 73912d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[3] |= dip; 73922d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 73932d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[3] = (u64)sipm << TCAM_V4KEY3_SADDR_SHIFT; 73942d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[3] |= dipm; 73952d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 73962d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[2] |= ((u64)fsp->h_u.tcp_ip4_spec.tos << 73972d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_TOS_SHIFT); 73982d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[2] |= ((u64)fsp->m_u.tcp_ip4_spec.tos << 73992d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY2_TOS_SHIFT); 74002d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (fsp->flow_type) { 74012d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case TCP_V4_FLOW: 74022d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case UDP_V4_FLOW: 74032d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case SCTP_V4_FLOW: 74042d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera sport = be16_to_cpu(fsp->h_u.tcp_ip4_spec.psrc); 74052d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera spm = be16_to_cpu(fsp->m_u.tcp_ip4_spec.psrc); 74062d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera dport = be16_to_cpu(fsp->h_u.tcp_ip4_spec.pdst); 74072d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera dpm = be16_to_cpu(fsp->m_u.tcp_ip4_spec.pdst); 74082d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74092d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[2] |= (((u64)sport << 16) | dport); 74102d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[2] |= (((u64)spm << 16) | dpm); 74112d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_ethflow_to_l3proto(fsp->flow_type, &pid); 74122d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74132d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V4_FLOW: 74142d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V4_FLOW: 74152d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera spi = be32_to_cpu(fsp->h_u.ah_ip4_spec.spi); 74162d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera spim = be32_to_cpu(fsp->m_u.ah_ip4_spec.spi); 74172d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74182d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[2] |= spi; 74192d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[2] |= spim; 74202d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_ethflow_to_l3proto(fsp->flow_type, &pid); 74212d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74222d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case IP_USER_FLOW: 74232d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera spi = be32_to_cpu(fsp->h_u.usr_ip4_spec.l4_4_bytes); 74242d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera spim = be32_to_cpu(fsp->m_u.usr_ip4_spec.l4_4_bytes); 74252d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74262d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[2] |= spi; 74272d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[2] |= spim; 74282d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera pid = fsp->h_u.usr_ip4_spec.proto; 74292d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74302d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 74312d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74322d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 74332d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74342d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key[2] |= ((u64)pid << TCAM_V4KEY2_PROTO_SHIFT); 74352d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (pid) { 74362d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->key_mask[2] |= TCAM_V4KEY2_PROTO; 74372d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 74382d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 74392d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74402d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_add_ethtool_tcam_entry(struct niu *np, 74412d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct ethtool_rxnfc *nfc) 74422d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 74432d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_parent *parent = np->parent; 74442d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_tcam_entry *tp; 74452d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct ethtool_rx_flow_spec *fsp = &nfc->fs; 74462d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_rdc_tables *rdc_table = &parent->rdc_group_cfg[np->port]; 74472d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int l2_rdc_table = rdc_table->first_table_num; 74482d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u16 idx; 74492d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u64 class; 74502d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera unsigned long flags; 74512d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int err, ret; 74522d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74532d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = 0; 74542d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74552d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera idx = nfc->fs.location; 74562d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (idx >= tcam_get_size(np)) 74572d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return -EINVAL; 74582d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74592d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (fsp->flow_type == IP_USER_FLOW) { 74602d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int i; 74612d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int add_usr_cls = 0; 74622d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct ethtool_usrip4_spec *uspec = &fsp->h_u.usr_ip4_spec; 74632d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct ethtool_usrip4_spec *umask = &fsp->m_u.usr_ip4_spec; 74642d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 7465e0de7c93b950b9e784894efc4b529c6958cb747aBen Hutchings if (uspec->ip_ver != ETH_RX_NFC_IP4) 7466e0de7c93b950b9e784894efc4b529c6958cb747aBen Hutchings return -EINVAL; 7467e0de7c93b950b9e784894efc4b529c6958cb747aBen Hutchings 74682d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_lock_parent(np, flags); 74692d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 74702d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera for (i = 0; i < NIU_L3_PROG_CLS; i++) { 74712d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (parent->l3_cls[i]) { 74722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (uspec->proto == parent->l3_cls_pid[i]) { 74732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera class = parent->l3_cls[i]; 74742d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera parent->l3_cls_refcnt[i]++; 74752d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera add_usr_cls = 1; 74762d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74772d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 74782d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } else { 74792d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* Program new user IP class */ 74802d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (i) { 74812d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case 0: 74822d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera class = CLASS_CODE_USER_PROG1; 74832d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74842d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case 1: 74852d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera class = CLASS_CODE_USER_PROG2; 74862d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74872d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case 2: 74882d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera class = CLASS_CODE_USER_PROG3; 74892d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74902d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case 3: 74912d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera class = CLASS_CODE_USER_PROG4; 74922d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74932d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 74942d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 74952d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 7496e0de7c93b950b9e784894efc4b529c6958cb747aBen Hutchings ret = tcam_user_ip_class_set(np, class, 0, 74972d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera uspec->proto, 74982d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera uspec->tos, 74992d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera umask->tos); 75002d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (ret) 75012d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 75022d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75032d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = tcam_user_ip_class_enable(np, class, 1); 75042d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (ret) 75052d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 75062d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera parent->l3_cls[i] = class; 75072d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera parent->l3_cls_pid[i] = uspec->proto; 75082d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera parent->l3_cls_refcnt[i]++; 75092d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera add_usr_cls = 1; 75102d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 75112d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75122d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75132d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (!add_usr_cls) { 7514f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_info(np->dev, "niu%d: %s(): Could not find/insert class for pid %d\n", 7515f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches parent->index, __func__, uspec->proto); 75162d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 75172d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 75182d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75192d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_unlock_parent(np, flags); 75202d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } else { 75212d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (!niu_ethflow_to_class(fsp->flow_type, &class)) { 75222d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return -EINVAL; 75232d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75242d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75252d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75262d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_lock_parent(np, flags); 75272d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75282d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera idx = tcam_get_index(np, idx); 75292d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp = &parent->tcam[idx]; 75302d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75312d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera memset(tp, 0, sizeof(*tp)); 75322d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75332d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* fill in the tcam key and mask */ 75342d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (fsp->flow_type) { 75352d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case TCP_V4_FLOW: 75362d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case UDP_V4_FLOW: 75372d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case SCTP_V4_FLOW: 75382d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V4_FLOW: 75392d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V4_FLOW: 75402d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_get_tcamkey_from_ip4fs(fsp, tp, l2_rdc_table, class); 75412d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 75422d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case TCP_V6_FLOW: 75432d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case UDP_V6_FLOW: 75442d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case SCTP_V6_FLOW: 75452d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case AH_V6_FLOW: 75462d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ESP_V6_FLOW: 75472d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* Not yet implemented */ 7548f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_info(np->dev, "niu%d: In %s(): flow %d for IPv6 not implemented\n", 7549f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches parent->index, __func__, fsp->flow_type); 75502d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 75512d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 75522d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case IP_USER_FLOW: 7553e0de7c93b950b9e784894efc4b529c6958cb747aBen Hutchings niu_get_tcamkey_from_ip4fs(fsp, tp, l2_rdc_table, class); 75542d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 75552d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 7556f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_info(np->dev, "niu%d: In %s(): Unknown flow type %d\n", 7557f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches parent->index, __func__, fsp->flow_type); 75582d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 75592d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 75602d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75612d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75622d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* fill in the assoc data */ 75632d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (fsp->ring_cookie == RX_CLS_FLOW_DISC) { 75642d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->assoc_data = TCAM_ASSOCDATA_DISC; 75652d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } else { 75662d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (fsp->ring_cookie >= np->num_rx_rings) { 7567f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_info(np->dev, "niu%d: In %s(): Invalid RX ring %lld\n", 7568f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches parent->index, __func__, 7569f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (long long)fsp->ring_cookie); 75702d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 75712d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 75722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->assoc_data = (TCAM_ASSOCDATA_TRES_USE_OFFSET | 75742d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera (fsp->ring_cookie << 75752d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_ASSOCDATA_OFFSET_SHIFT)); 75762d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75772d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75782d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera err = tcam_write(np, idx, tp->key, tp->key_mask); 75792d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (err) { 75802d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 75812d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 75822d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75832d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera err = tcam_assoc_write(np, idx, tp->assoc_data); 75842d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (err) { 75852d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 75862d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 75872d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 75882d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75892d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* validate the entry */ 75902d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->valid = 1; 75912d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera np->clas.tcam_valid_entries++; 75922d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beheraout: 75932d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_unlock_parent(np, flags); 75942d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75952d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return ret; 75962d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 75972d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 75982d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_del_ethtool_tcam_entry(struct niu *np, u32 loc) 75992d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 76002d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_parent *parent = np->parent; 76012d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu_tcam_entry *tp; 76022d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u16 idx; 76032d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera unsigned long flags; 76042d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera u64 class; 76052d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int ret = 0; 76062d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76072d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (loc >= tcam_get_size(np)) 76082d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return -EINVAL; 76092d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76102d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_lock_parent(np, flags); 76112d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76122d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera idx = tcam_get_index(np, loc); 76132d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp = &parent->tcam[idx]; 76142d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76152d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* if the entry is of a user defined class, then update*/ 76162d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera class = (tp->key[0] & TCAM_V4KEY0_CLASS_CODE) >> 76172d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera TCAM_V4KEY0_CLASS_CODE_SHIFT; 76182d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76192d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (class >= CLASS_CODE_USER_PROG1 && class <= CLASS_CODE_USER_PROG4) { 76202d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int i; 76212d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera for (i = 0; i < NIU_L3_PROG_CLS; i++) { 76222d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (parent->l3_cls[i] == class) { 76232d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera parent->l3_cls_refcnt[i]--; 76242d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (!parent->l3_cls_refcnt[i]) { 76252d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* disable class */ 76262d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = tcam_user_ip_class_enable(np, 76272d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera class, 76282d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 0); 76292d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (ret) 76302d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 76312d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera parent->l3_cls[i] = 0; 76322d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera parent->l3_cls_pid[i] = 0; 76332d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 76342d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 76352d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 76362d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 76372d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (i == NIU_L3_PROG_CLS) { 7638f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_info(np->dev, "niu%d: In %s(): Usr class 0x%llx not found\n", 7639f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches parent->index, __func__, 7640f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches (unsigned long long)class); 76412d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 76422d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 76432d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 76442d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 76452d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76462d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = tcam_flush(np, idx); 76472d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera if (ret) 76482d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera goto out; 76492d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76502d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera /* invalidate the entry */ 76512d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera tp->valid = 0; 76522d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera np->clas.tcam_valid_entries--; 76532d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beheraout: 76542d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera niu_unlock_parent(np, flags); 76552d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76562d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return ret; 76572d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 76582d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76592d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Beherastatic int niu_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 76602d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera{ 76612d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera struct niu *np = netdev_priv(dev); 76622d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera int ret = 0; 76632d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76642d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera switch (cmd->cmd) { 76652d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ETHTOOL_SRXFH: 76662d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = niu_set_hash_opts(np, cmd); 76672d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 76682d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ETHTOOL_SRXCLSRLINS: 76692d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = niu_add_ethtool_tcam_entry(np, cmd); 76702d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 76712d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera case ETHTOOL_SRXCLSRLDEL: 76722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = niu_del_ethtool_tcam_entry(np, cmd->fs.location); 76732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 76742d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera default: 76752d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera ret = -EINVAL; 76762d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera break; 76772d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera } 76782d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 76792d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera return ret; 76802d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera} 76812d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera 7682a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct { 7683a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char string[ETH_GSTRING_LEN]; 7684a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} niu_xmac_stat_keys[] = { 7685a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_frames" }, 7686a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_bytes" }, 7687a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_fifo_errors" }, 7688a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_overflow_errors" }, 7689a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_max_pkt_size_errors" }, 7690a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_underflow_errors" }, 7691a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_local_faults" }, 7692a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_remote_faults" }, 7693a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_link_faults" }, 7694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_align_errors" }, 7695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_frags" }, 7696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_mcasts" }, 7697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_bcasts" }, 7698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_hist_cnt1" }, 7699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_hist_cnt2" }, 7700a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_hist_cnt3" }, 7701a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_hist_cnt4" }, 7702a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_hist_cnt5" }, 7703a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_hist_cnt6" }, 7704a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_hist_cnt7" }, 7705a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_octets" }, 7706a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_code_violations" }, 7707a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_len_errors" }, 7708a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_crc_errors" }, 7709a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_underflows" }, 7710a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_overflows" }, 7711a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "pause_off_state" }, 7712a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "pause_on_state" }, 7713a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "pause_received" }, 7714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 7715a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7716a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define NUM_XMAC_STAT_KEYS ARRAY_SIZE(niu_xmac_stat_keys) 7717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct { 7719a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char string[ETH_GSTRING_LEN]; 7720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} niu_bmac_stat_keys[] = { 7721a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_underflow_errors" }, 7722a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_max_pkt_size_errors" }, 7723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_bytes" }, 7724a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_frames" }, 7725a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_overflows" }, 7726a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_frames" }, 7727a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_align_errors" }, 7728a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_crc_errors" }, 7729a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_len_errors" }, 7730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "pause_off_state" }, 7731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "pause_on_state" }, 7732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "pause_received" }, 7733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 7734a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7735a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define NUM_BMAC_STAT_KEYS ARRAY_SIZE(niu_bmac_stat_keys) 7736a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7737a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct { 7738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char string[ETH_GSTRING_LEN]; 7739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} niu_rxchan_stat_keys[] = { 7740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_channel" }, 7741a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_packets" }, 7742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_bytes" }, 7743a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_dropped" }, 7744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "rx_errors" }, 7745a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 7746a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define NUM_RXCHAN_STAT_KEYS ARRAY_SIZE(niu_rxchan_stat_keys) 7748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7749a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct { 7750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char string[ETH_GSTRING_LEN]; 7751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} niu_txchan_stat_keys[] = { 7752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_channel" }, 7753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_packets" }, 7754a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_bytes" }, 7755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { "tx_errors" }, 7756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 7757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define NUM_TXCHAN_STAT_KEYS ARRAY_SIZE(niu_txchan_stat_keys) 7759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_get_strings(struct net_device *dev, u32 stringset, u8 *data) 7761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 7763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 7764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (stringset != ETH_SS_STATS) 7766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 7767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) { 7769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, niu_xmac_stat_keys, 7770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(niu_xmac_stat_keys)); 7771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += sizeof(niu_xmac_stat_keys); 7772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 7773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, niu_bmac_stat_keys, 7774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(niu_bmac_stat_keys)); 7775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += sizeof(niu_bmac_stat_keys); 7776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 7778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, niu_rxchan_stat_keys, 7779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(niu_rxchan_stat_keys)); 7780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += sizeof(niu_rxchan_stat_keys); 7781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7782a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 7783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, niu_txchan_stat_keys, 7784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(niu_txchan_stat_keys)); 7785a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += sizeof(niu_txchan_stat_keys); 7786a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7788a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 778915f0a394c6573f4cb65a13095288ab9b9f8135f9Ben Hutchingsstatic int niu_get_sset_count(struct net_device *dev, int stringset) 7790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 7792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 779315f0a394c6573f4cb65a13095288ab9b9f8135f9Ben Hutchings if (stringset != ETH_SS_STATS) 779415f0a394c6573f4cb65a13095288ab9b9f8135f9Ben Hutchings return -EINVAL; 779515f0a394c6573f4cb65a13095288ab9b9f8135f9Ben Hutchings 7796807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet return (np->flags & NIU_FLAGS_XMAC ? 7797a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NUM_XMAC_STAT_KEYS : 7798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NUM_BMAC_STAT_KEYS) + 7799a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (np->num_rx_rings * NUM_RXCHAN_STAT_KEYS) + 7800807540baae406c84dcb9c1c8ef07a56d2d2ae84aEric Dumazet (np->num_tx_rings * NUM_TXCHAN_STAT_KEYS); 7801a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7803a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_get_ethtool_stats(struct net_device *dev, 7804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct ethtool_stats *stats, u64 *data) 7805a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 7807a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 7808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7809a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_sync_mac_stats(np); 7810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) { 7811a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, &np->mac_stats.xmac, 7812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(struct niu_xmac_stats)); 7813a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += (sizeof(struct niu_xmac_stats) / sizeof(u64)); 7814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 7815a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(data, &np->mac_stats.bmac, 7816a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sizeof(struct niu_bmac_stats)); 7817a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += (sizeof(struct niu_bmac_stats) / sizeof(u64)); 7818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7819a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_rx_rings; i++) { 7820a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rx_ring_info *rp = &np->rx_rings[i]; 7821a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7822b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer niu_sync_rx_discard_stats(np, rp, 0); 7823b8a606b871d37e03b92be1bd3deedeee97ea4f13Jesper Dangaard Brouer 7824a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[0] = rp->rx_channel; 7825a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[1] = rp->rx_packets; 7826a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[2] = rp->rx_bytes; 7827a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[3] = rp->rx_dropped; 7828a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[4] = rp->rx_errors; 7829a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += 5; 7830a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7831a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_tx_rings; i++) { 7832a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct tx_ring_info *rp = &np->tx_rings[i]; 7833a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7834a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[0] = rp->tx_channel; 7835a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[1] = rp->tx_packets; 7836a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[2] = rp->tx_bytes; 7837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data[3] = rp->tx_errors; 7838a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller data += 4; 7839a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7840a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7841a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7842a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 niu_led_state_save(struct niu *np) 7843a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7844a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 7845a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return nr64_mac(XMAC_CONFIG); 7846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 7847a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return nr64_mac(BMAC_XIF_CONFIG); 7848a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7849a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7850a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_led_state_restore(struct niu *np, u64 val) 7851a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7852a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) 7853a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(XMAC_CONFIG, val); 7854a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 7855a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(BMAC_XIF_CONFIG, val); 7856a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7857a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7858a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_force_led(struct niu *np, int on) 7859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7860a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val, reg, bit; 7861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7862a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_XMAC) { 7863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = XMAC_CONFIG; 7864a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bit = XMAC_CONFIG_FORCE_LED_ON; 7865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 7866a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller reg = BMAC_XIF_CONFIG; 7867a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller bit = BMAC_XIF_CONFIG_LINK_LED; 7868a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7869a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7870a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64_mac(reg); 7871a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (on) 7872a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= bit; 7873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 7874a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val &= ~bit; 7875a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64_mac(reg, val); 7876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7877a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 78787bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemmingerstatic int niu_set_phys_id(struct net_device *dev, 78797bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger enum ethtool_phys_id_state state) 78807bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger 7881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 7883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!netif_running(dev)) 7885a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EAGAIN; 7886a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 78877bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger switch (state) { 78887bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger case ETHTOOL_ID_ACTIVE: 78897bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger np->orig_led_state = niu_led_state_save(np); 7890fce55922f5299a04c0a56b170a141fab34f13465Allan, Bruce W return 1; /* cycle on/off once per second */ 7891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 78927bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger case ETHTOOL_ID_ON: 78937bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger niu_force_led(np, 1); 78947bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger break; 7895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 78967bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger case ETHTOOL_ID_OFF: 78977bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger niu_force_led(np, 0); 78987bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger break; 7899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 79007bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger case ETHTOOL_ID_INACTIVE: 79017bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger niu_led_state_restore(np, np->orig_led_state); 7902a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 7905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7906a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7907a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct ethtool_ops niu_ethtool_ops = { 7908a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .get_drvinfo = niu_get_drvinfo, 7909a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .get_link = ethtool_op_get_link, 7910a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .get_msglevel = niu_get_msglevel, 7911a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .set_msglevel = niu_set_msglevel, 791238bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov .nway_reset = niu_nway_reset, 7913a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .get_eeprom_len = niu_get_eeprom_len, 7914a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .get_eeprom = niu_get_eeprom, 7915a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .get_settings = niu_get_settings, 7916a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .set_settings = niu_set_settings, 7917a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .get_strings = niu_get_strings, 791815f0a394c6573f4cb65a13095288ab9b9f8135f9Ben Hutchings .get_sset_count = niu_get_sset_count, 7919a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .get_ethtool_stats = niu_get_ethtool_stats, 79207bc93714042418cbc4ca89c51d3ab448ea3ef2festephen hemminger .set_phys_id = niu_set_phys_id, 79212d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera .get_rxnfc = niu_get_nfc, 79222d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera .set_rxnfc = niu_set_nfc, 7923a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 7924a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7925a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_ldg_assign_ldn(struct niu *np, struct niu_parent *parent, 7926a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int ldg, int ldn) 7927a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7928a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldg < NIU_LDG_MIN || ldg > NIU_LDG_MAX) 7929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 7930a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldn < 0 || ldn > LDN_MAX) 7931a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 7932a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7933a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->ldg_map[ldn] = ldg; 7934a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7935a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type == PLAT_TYPE_NIU) { 7936a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* On N2 NIU, the ldn-->ldg assignments are setup and fixed by 7937a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * the firmware, and we're not supposed to change them. 7938a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * Validate the mapping, because if it's wrong we probably 7939a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * won't get any interrupts and that's painful to debug. 7940a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 7941a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (nr64(LDG_NUM(ldn)) != ldg) { 7942f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Port %u, mis-matched LDG assignment for ldn %d, should be %d is %llu\n", 7943a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->port, ldn, ldg, 7944a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) nr64(LDG_NUM(ldn))); 7945a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 7946a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7947a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else 7948a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(LDG_NUM(ldn), ldg); 7949a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7950a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 7951a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7952a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7953a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_ldg_timer_res(struct niu *np, int res) 7954a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7955a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (res < 0 || res > LDG_TIMER_RES_VAL) 7956a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 7957a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7958a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7959a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(LDG_TIMER_RES, res); 7960a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7961a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 7962a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7963a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7964a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_set_ldg_sid(struct niu *np, int ldg, int func, int vector) 7965a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7966a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((ldg < NIU_LDG_MIN || ldg > NIU_LDG_MAX) || 7967a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (func < 0 || func > 3) || 7968a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (vector < 0 || vector > 0x1f)) 7969a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 7970a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7971a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(SID(ldg), (func << SID_FUNC_SHIFT) | vector); 7972a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7973a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 7974a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 7975a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7976a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_pci_eeprom_read(struct niu *np, u32 addr) 7977a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 7978a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 frame, frame_base = (ESPC_PIO_STAT_READ_START | 7979a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (addr << ESPC_PIO_STAT_ADDR_SHIFT)); 7980a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int limit; 7981a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7982a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (addr > (ESPC_PIO_STAT_ADDR >> ESPC_PIO_STAT_ADDR_SHIFT)) 7983a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 7984a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 7985a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller frame = frame_base; 7986a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ESPC_PIO_STAT, frame); 7987a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 64; 7988a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller do { 7989a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(5); 7990a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller frame = nr64(ESPC_PIO_STAT); 7991a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (frame & ESPC_PIO_STAT_READ_END) 7992a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 7993a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } while (limit--); 7994a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(frame & ESPC_PIO_STAT_READ_END)) { 7995f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "EEPROM read timeout frame[%llx]\n", 7996a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) frame); 7997a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 7998a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 7999a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8000a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller frame = frame_base; 8001a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ESPC_PIO_STAT, frame); 8002a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller limit = 64; 8003a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller do { 8004a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller udelay(5); 8005a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller frame = nr64(ESPC_PIO_STAT); 8006a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (frame & ESPC_PIO_STAT_READ_END) 8007a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8008a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } while (limit--); 8009a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(frame & ESPC_PIO_STAT_READ_END)) { 8010f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "EEPROM read timeout frame[%llx]\n", 8011a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (unsigned long long) frame); 8012a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 8013a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8014a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8015a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller frame = nr64(ESPC_PIO_STAT); 8016a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return (frame & ESPC_PIO_STAT_DATA) >> ESPC_PIO_STAT_DATA_SHIFT; 8017a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8018a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8019a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_pci_eeprom_read16(struct niu *np, u32 off) 8020a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8021a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = niu_pci_eeprom_read(np, off); 8022a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 val; 8023a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8024a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8025a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8026a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (err << 8); 8027a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read(np, off + 1); 8028a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8029a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8030a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (err & 0xff); 8031a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8032a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return val; 8033a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8034a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8035a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_pci_eeprom_read16_swp(struct niu *np, u32 off) 8036a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8037a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = niu_pci_eeprom_read(np, off); 8038a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 val; 8039a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8040a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8041a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8042a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8043a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (err & 0xff); 8044a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read(np, off + 1); 8045a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8046a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8047a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8048a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val |= (err & 0xff) << 8; 8049a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8050a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return val; 8051a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8052a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8053a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_pci_vpd_get_propname(struct niu *np, 8054a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 off, 8055a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller char *namebuf, 8056a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int namebuf_len) 8057a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8058a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 8059a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8060a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < namebuf_len; i++) { 8061a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = niu_pci_eeprom_read(np, off + i); 8062a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8063a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8064a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *namebuf++ = err; 8065a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 8066a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8067a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8068a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (i >= namebuf_len) 8069a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8070a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8071a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return i + 1; 8072a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8073a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8074a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_vpd_parse_version(struct niu *np) 8075a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8076a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_vpd *vpd = &np->vpd; 8077a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int len = strlen(vpd->version) + 1; 8078a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char *s = vpd->version; 8079a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 8080a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8081a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < len - 5; i++) { 80829ea2bdab11da97b2ac6f87d79976d25fa6d27295Joe Perches if (!strncmp(s + i, "FCode ", 6)) 8083a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8084a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8085a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (i >= len - 5) 8086a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 8087a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8088a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller s += i + 5; 8089a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sscanf(s, "%d.%d", &vpd->fcode_major, &vpd->fcode_minor); 8090a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8091f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8092f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "VPD_SCAN: FCODE major(%d) minor(%d)\n", 8093f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches vpd->fcode_major, vpd->fcode_minor); 8094a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (vpd->fcode_major > NIU_VPD_MIN_MAJOR || 8095a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (vpd->fcode_major == NIU_VPD_MIN_MAJOR && 8096a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller vpd->fcode_minor >= NIU_VPD_MIN_MINOR)) 8097a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_VPD_VALID; 8098a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8099a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8100a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller/* ESPC_PIO_EN_ENABLE must be set */ 8101a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_pci_vpd_scan_props(struct niu *np, 8102a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 start, u32 end) 8103a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8104a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned int found_mask = 0; 8105a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define FOUND_MASK_MODEL 0x00000001 8106a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define FOUND_MASK_BMODEL 0x00000002 8107a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define FOUND_MASK_VERS 0x00000004 8108a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define FOUND_MASK_MAC 0x00000008 8109a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define FOUND_MASK_NMAC 0x00000010 8110a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define FOUND_MASK_PHY 0x00000020 8111a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#define FOUND_MASK_ALL 0x0000003f 8112a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8113f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8114f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "VPD_SCAN: start[%x] end[%x]\n", start, end); 8115a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (start < end) { 8116f344c25dbab1a392ef7a7afc8ca061b3b7285423David S. Miller int len, err, prop_len; 8117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller char namebuf[64]; 8118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 *prop_buf; 8119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int max_len; 8120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8121a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (found_mask == FOUND_MASK_ALL) { 8122a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_vpd_parse_version(np); 8123a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 1; 8124a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8125a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8126a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read(np, start + 2); 8127a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8128a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8129a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = err; 8130a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller start += 3; 8131a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8132a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prop_len = niu_pci_eeprom_read(np, start + 4); 8133a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_vpd_get_propname(np, start + 5, namebuf, 64); 8134a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8135a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8136a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8137a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prop_buf = NULL; 8138a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max_len = 0; 8139a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!strcmp(namebuf, "model")) { 8140a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prop_buf = np->vpd.model; 8141a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max_len = NIU_VPD_MODEL_MAX; 8142a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller found_mask |= FOUND_MASK_MODEL; 8143a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (!strcmp(namebuf, "board-model")) { 8144a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prop_buf = np->vpd.board_model; 8145a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max_len = NIU_VPD_BD_MODEL_MAX; 8146a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller found_mask |= FOUND_MASK_BMODEL; 8147a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (!strcmp(namebuf, "version")) { 8148a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prop_buf = np->vpd.version; 8149a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max_len = NIU_VPD_VERSION_MAX; 8150a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller found_mask |= FOUND_MASK_VERS; 8151a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (!strcmp(namebuf, "local-mac-address")) { 8152a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prop_buf = np->vpd.local_mac; 8153a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max_len = ETH_ALEN; 8154a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller found_mask |= FOUND_MASK_MAC; 8155a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (!strcmp(namebuf, "num-mac-addresses")) { 8156a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prop_buf = &np->vpd.mac_num; 8157a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max_len = 1; 8158a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller found_mask |= FOUND_MASK_NMAC; 8159a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (!strcmp(namebuf, "phy-type")) { 8160a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller prop_buf = np->vpd.phy_type; 8161a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller max_len = NIU_VPD_PHY_TYPE_MAX; 8162a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller found_mask |= FOUND_MASK_PHY; 8163a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8164a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8165a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (max_len && prop_len > max_len) { 8166f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Property '%s' length (%d) is too long\n", namebuf, prop_len); 8167a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8168a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8169a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8170a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (prop_buf) { 8171a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 off = start + 5 + err; 8172a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 8173a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8174f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8175f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "VPD_SCAN: Reading in property [%s] len[%d]\n", 8176f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches namebuf, prop_len); 8177a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < prop_len; i++) 8178a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *prop_buf++ = niu_pci_eeprom_read(np, off + i); 8179a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8180a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8181a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller start += len; 8182a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8183a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8184a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8185a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8186a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8187a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller/* ESPC_PIO_EN_ENABLE must be set */ 8188a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_pci_vpd_fetch(struct niu *np, u32 start) 8189a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8190a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 offset; 8191a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 8192a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8193a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read16_swp(np, start + 1); 8194a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8195a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 8196a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8197a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller offset = err + 3; 8198a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8199a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (start + offset < ESPC_EEPROM_SIZE) { 8200a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 here = start + offset; 8201a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 end; 8202a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8203a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read(np, here); 8204a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != 0x90) 8205a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 8206a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8207a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read16_swp(np, here + 1); 8208a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8209a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 8210a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8211a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller here = start + offset + 3; 8212a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller end = start + offset + err; 8213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8214a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller offset += err; 8215a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_vpd_scan_props(np, here, end); 8217a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0 || err == 1) 8218a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 8219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8221a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8222a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller/* ESPC_PIO_EN_ENABLE must be set */ 8223a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u32 __devinit niu_pci_vpd_offset(struct niu *np) 8224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 start = 0, end = ESPC_EEPROM_SIZE, ret; 8226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 8227a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8228a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller while (start < end) { 8229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ret = start; 8230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* ROM header signature? */ 8232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read16(np, start + 0); 8233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != 0x55aa) 8234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8235a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8236a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Apply offset to PCI data structure. */ 8237a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read16(np, start + 23); 8238a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8239a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller start += err; 8241a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Check for "PCIR" signature. */ 8243a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read16(np, start + 0); 8244a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != 0x5043) 8245a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8246a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read16(np, start + 2); 8247a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != 0x4952) 8248a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8249a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8250a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Check for OBP image type. */ 8251a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read(np, start + 20); 8252a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8253a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8254a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != 0x01) { 8255a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read(np, ret + 2); 8256a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8257a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8258a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8259a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller start = ret + (err * 512); 8260a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller continue; 8261a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8262a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8263a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read16_swp(np, start + 8); 8264a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) 8265a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8266a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ret += err; 8267a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8268a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_eeprom_read(np, ret + 0); 8269a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != 0x82) 8270a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8271a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8272a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return ret; 8273a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8274a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8275a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8276a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8277a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8278a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_phy_type_prop_decode(struct niu *np, 8279a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char *phy_prop) 8280a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8281a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!strcmp(phy_prop, "mif")) { 8282a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 1G copper, MII */ 8283a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~(NIU_FLAGS_FIBER | 8284a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NIU_FLAGS_10G); 8285a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_xcvr = MAC_XCVR_MII; 8286a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (!strcmp(phy_prop, "xgf")) { 8287a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 10G fiber, XPCS */ 8288a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= (NIU_FLAGS_10G | 8289a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NIU_FLAGS_FIBER); 8290a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_xcvr = MAC_XCVR_XPCS; 8291a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (!strcmp(phy_prop, "pcs")) { 8292a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 1G fiber, PCS */ 8293a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~NIU_FLAGS_10G; 8294a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_FIBER; 8295a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_xcvr = MAC_XCVR_PCS; 8296a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else if (!strcmp(phy_prop, "xgc")) { 8297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 10G copper, XPCS */ 8298a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_10G; 8299a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~NIU_FLAGS_FIBER; 8300a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_xcvr = MAC_XCVR_XPCS; 8301e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } else if (!strcmp(phy_prop, "xgsd") || !strcmp(phy_prop, "gsd")) { 8302e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* 10G Serdes or 1G Serdes, default to 10G */ 8303e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera np->flags |= NIU_FLAGS_10G; 8304e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera np->flags &= ~NIU_FLAGS_FIBER; 8305e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera np->flags |= NIU_FLAGS_XCVR_SERDES; 8306e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera np->mac_xcvr = MAC_XCVR_XPCS; 8307a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 8308a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8310a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8312a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 83137f7c4072ea552f97a0898331322f71986a97299cMatheos Workustatic int niu_pci_vpd_get_nports(struct niu *np) 83147f7c4072ea552f97a0898331322f71986a97299cMatheos Worku{ 83157f7c4072ea552f97a0898331322f71986a97299cMatheos Worku int ports = 0; 83167f7c4072ea552f97a0898331322f71986a97299cMatheos Worku 8317f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku if ((!strcmp(np->vpd.model, NIU_QGC_LP_MDL_STR)) || 8318f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku (!strcmp(np->vpd.model, NIU_QGC_PEM_MDL_STR)) || 8319f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku (!strcmp(np->vpd.model, NIU_MARAMBA_MDL_STR)) || 8320f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku (!strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) || 8321f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR))) { 83227f7c4072ea552f97a0898331322f71986a97299cMatheos Worku ports = 4; 8323f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku } else if ((!strcmp(np->vpd.model, NIU_2XGF_LP_MDL_STR)) || 8324f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku (!strcmp(np->vpd.model, NIU_2XGF_PEM_MDL_STR)) || 8325f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) || 8326f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku (!strcmp(np->vpd.model, NIU_2XGF_MRVL_MDL_STR))) { 83277f7c4072ea552f97a0898331322f71986a97299cMatheos Worku ports = 2; 83287f7c4072ea552f97a0898331322f71986a97299cMatheos Worku } 83297f7c4072ea552f97a0898331322f71986a97299cMatheos Worku 83307f7c4072ea552f97a0898331322f71986a97299cMatheos Worku return ports; 83317f7c4072ea552f97a0898331322f71986a97299cMatheos Worku} 83327f7c4072ea552f97a0898331322f71986a97299cMatheos Worku 8333a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_pci_vpd_validate(struct niu *np) 8334a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8335a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = np->dev; 8336a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_vpd *vpd = &np->vpd; 8337a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 val8; 8338a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8339a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!is_valid_ether_addr(&vpd->local_mac[0])) { 8340f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "VPD MAC invalid, falling back to SPROM\n"); 8341a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~NIU_FLAGS_VPD_VALID; 8343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 8344a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8346f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) || 8347f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) { 83485fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->flags |= NIU_FLAGS_10G; 83495fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->flags &= ~NIU_FLAGS_FIBER; 83505fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->flags |= NIU_FLAGS_XCVR_SERDES; 83515fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->mac_xcvr = MAC_XCVR_PCS; 83525fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (np->port > 1) { 83535fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->flags |= NIU_FLAGS_FIBER; 83545fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->flags &= ~NIU_FLAGS_10G; 83555fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 83565fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (np->flags & NIU_FLAGS_10G) 8357f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches np->mac_xcvr = MAC_XCVR_XPCS; 8358f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) { 8359a5d6ab56daa439d681aab29955498486e452224dMatheos Worku np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER | 8360a5d6ab56daa439d681aab29955498486e452224dMatheos Worku NIU_FLAGS_HOTPLUG_PHY); 83615fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } else if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) { 8362f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Illegal phy string [%s]\n", 8363a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.phy_type); 8364f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Falling back to SPROM\n"); 8365a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~NIU_FLAGS_VPD_VALID; 8366a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 8367a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8368a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8369a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(dev->perm_addr, vpd->local_mac, ETH_ALEN); 8370a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8371a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val8 = dev->perm_addr[5]; 8372a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[5] += np->port; 8373a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (dev->perm_addr[5] < val8) 8374a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[4]++; 8375a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8376a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len); 8377a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8378a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8379a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_pci_probe_sprom(struct niu *np) 8380a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8381a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = np->dev; 8382a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int len, i; 8383a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 val, sum; 8384a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 val8; 8385a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8386a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (nr64(ESPC_VER_IMGSZ) & ESPC_VER_IMGSZ_IMGSZ); 8387a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val >>= ESPC_VER_IMGSZ_IMGSZ_SHIFT; 8388a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller len = val / 4; 8389a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8390a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->eeprom_len = len; 8391a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8392f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8393f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "SPROM: Image size %llu\n", (unsigned long long)val); 8394a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8395a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sum = 0; 8396a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < len; i++) { 8397a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_NCR(i)); 8398a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sum += (val >> 0) & 0xff; 8399a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sum += (val >> 8) & 0xff; 8400a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sum += (val >> 16) & 0xff; 8401a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sum += (val >> 24) & 0xff; 8402a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8403f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8404f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "SPROM: Checksum %x\n", (int)(sum & 0xff)); 8405a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((sum & 0xff) != 0xab) { 8406f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Bad SPROM checksum (%x, should be 0xab)\n", (int)(sum & 0xff)); 8407a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8408a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8409a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8410a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_PHY_TYPE); 8411a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (np->port) { 8412a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 0: 8413a9d41192b96559aa3658bc7886468a46da911c76Al Viro val8 = (val & ESPC_PHY_TYPE_PORT0) >> 8414a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESPC_PHY_TYPE_PORT0_SHIFT; 8415a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8416a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 1: 8417a9d41192b96559aa3658bc7886468a46da911c76Al Viro val8 = (val & ESPC_PHY_TYPE_PORT1) >> 8418a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESPC_PHY_TYPE_PORT1_SHIFT; 8419a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8420a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 2: 8421a9d41192b96559aa3658bc7886468a46da911c76Al Viro val8 = (val & ESPC_PHY_TYPE_PORT2) >> 8422a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESPC_PHY_TYPE_PORT2_SHIFT; 8423a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8424a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 3: 8425a9d41192b96559aa3658bc7886468a46da911c76Al Viro val8 = (val & ESPC_PHY_TYPE_PORT3) >> 8426a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ESPC_PHY_TYPE_PORT3_SHIFT; 8427a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8428a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 8429f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Bogus port number %u\n", 8430a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->port); 8431a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8432a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8433f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8434f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "SPROM: PHY type %x\n", val8); 8435a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8436a9d41192b96559aa3658bc7886468a46da911c76Al Viro switch (val8) { 8437a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case ESPC_PHY_TYPE_1G_COPPER: 8438a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 1G copper, MII */ 8439a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~(NIU_FLAGS_FIBER | 8440a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NIU_FLAGS_10G); 8441a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_xcvr = MAC_XCVR_MII; 8442a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8443a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8444a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case ESPC_PHY_TYPE_1G_FIBER: 8445a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 1G fiber, PCS */ 8446a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~NIU_FLAGS_10G; 8447a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_FIBER; 8448a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_xcvr = MAC_XCVR_PCS; 8449a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8450a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8451a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case ESPC_PHY_TYPE_10G_COPPER: 8452a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 10G copper, XPCS */ 8453a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_10G; 8454a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~NIU_FLAGS_FIBER; 8455a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_xcvr = MAC_XCVR_XPCS; 8456a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8457a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8458a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case ESPC_PHY_TYPE_10G_FIBER: 8459a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* 10G fiber, XPCS */ 8460a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= (NIU_FLAGS_10G | 8461a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NIU_FLAGS_FIBER); 8462a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_xcvr = MAC_XCVR_XPCS; 8463a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8464a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8465a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 8466f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Bogus SPROM phy type %u\n", val8); 8467a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8468a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8469a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8470a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_MAC_ADDR0); 8471f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8472f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "SPROM: MAC_ADDR0[%08llx]\n", (unsigned long long)val); 8473a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[0] = (val >> 0) & 0xff; 8474a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[1] = (val >> 8) & 0xff; 8475a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[2] = (val >> 16) & 0xff; 8476a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[3] = (val >> 24) & 0xff; 8477a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8478a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_MAC_ADDR1); 8479f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8480f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "SPROM: MAC_ADDR1[%08llx]\n", (unsigned long long)val); 8481a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[4] = (val >> 0) & 0xff; 8482a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[5] = (val >> 8) & 0xff; 8483a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8484a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!is_valid_ether_addr(&dev->perm_addr[0])) { 8485f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "SPROM MAC address invalid [ %pM ]\n", 8486f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev->perm_addr); 8487a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8488a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8489a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8490a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val8 = dev->perm_addr[5]; 8491a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[5] += np->port; 8492a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (dev->perm_addr[5] < val8) 8493a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->perm_addr[4]++; 8494a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8495a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len); 8496a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8497a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_MOD_STR_LEN); 8498f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8499f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "SPROM: MOD_STR_LEN[%llu]\n", (unsigned long long)val); 8500e6a5fdf56e3a5fc179cd8c8c19081a9a11882b0cDavid S. Miller if (val >= 8 * 4) 8501a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8502a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8503a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < val; i += 4) { 8504a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 tmp = nr64(ESPC_NCR(5 + (i / 4))); 8505a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8506a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.model[i + 3] = (tmp >> 0) & 0xff; 8507a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.model[i + 2] = (tmp >> 8) & 0xff; 8508a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.model[i + 1] = (tmp >> 16) & 0xff; 8509a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.model[i + 0] = (tmp >> 24) & 0xff; 8510a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8511a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.model[val] = '\0'; 8512a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8513a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = nr64(ESPC_BD_MOD_STR_LEN); 8514f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8515f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "SPROM: BD_MOD_STR_LEN[%llu]\n", (unsigned long long)val); 8516e6a5fdf56e3a5fc179cd8c8c19081a9a11882b0cDavid S. Miller if (val >= 4 * 4) 8517a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8518a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8519a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < val; i += 4) { 8520a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 tmp = nr64(ESPC_NCR(14 + (i / 4))); 8521a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8522a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.board_model[i + 3] = (tmp >> 0) & 0xff; 8523a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.board_model[i + 2] = (tmp >> 8) & 0xff; 8524a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.board_model[i + 1] = (tmp >> 16) & 0xff; 8525a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.board_model[i + 0] = (tmp >> 24) & 0xff; 8526a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8527a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.board_model[val] = '\0'; 8528a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8529a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vpd.mac_num = 8530a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nr64(ESPC_NUM_PORTS_MACS) & ESPC_NUM_PORTS_MACS_VAL; 8531f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 8532f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "SPROM: NUM_PORTS_MACS[%d]\n", np->vpd.mac_num); 8533a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8534a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8535a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8536a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8537a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_get_and_validate_port(struct niu *np) 8538a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8539a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 8540a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8541a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->port <= 1) 8542a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_XMAC; 8543a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8544a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!parent->num_ports) { 8545a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->plat_type == PLAT_TYPE_NIU) { 8546a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->num_ports = 2; 8547a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 85487f7c4072ea552f97a0898331322f71986a97299cMatheos Worku parent->num_ports = niu_pci_vpd_get_nports(np); 85497f7c4072ea552f97a0898331322f71986a97299cMatheos Worku if (!parent->num_ports) { 85507f7c4072ea552f97a0898331322f71986a97299cMatheos Worku /* Fall back to SPROM as last resort. 85517f7c4072ea552f97a0898331322f71986a97299cMatheos Worku * This will fail on most cards. 85527f7c4072ea552f97a0898331322f71986a97299cMatheos Worku */ 85537f7c4072ea552f97a0898331322f71986a97299cMatheos Worku parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) & 85547f7c4072ea552f97a0898331322f71986a97299cMatheos Worku ESPC_NUM_PORTS_MACS_VAL; 85557f7c4072ea552f97a0898331322f71986a97299cMatheos Worku 8556be0c007ac64f880a946995d6d1fc654acc81484dDavid S. Miller /* All of the current probing methods fail on 8557be0c007ac64f880a946995d6d1fc654acc81484dDavid S. Miller * Maramba on-board parts. 8558be0c007ac64f880a946995d6d1fc654acc81484dDavid S. Miller */ 85597f7c4072ea552f97a0898331322f71986a97299cMatheos Worku if (!parent->num_ports) 8560be0c007ac64f880a946995d6d1fc654acc81484dDavid S. Miller parent->num_ports = 4; 85617f7c4072ea552f97a0898331322f71986a97299cMatheos Worku } 8562a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8563a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8564a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8565a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->port >= parent->num_ports) 8566a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 8567a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8568a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8569a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8570a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8571a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit phy_record(struct niu_parent *parent, 8572a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct phy_probe_info *p, 8573a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int dev_id_1, int dev_id_2, u8 phy_port, 8574a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int type) 8575a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8576a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 id = (dev_id_1 << 16) | dev_id_2; 8577a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 idx; 8578a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8579a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (dev_id_1 < 0 || dev_id_2 < 0) 8580a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8581a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (type == PHY_TYPE_PMA_PMD || type == PHY_TYPE_PCS) { 85821d214fa34fc7878d90e0963f9eb4895510db5e48David S. Miller /* Because of the NIU_PHY_ID_MASK being applied, the 8704 858363ec3c83e7ba6f23227d3ff69c5792911266bd75David S. Miller * test covers the 8706 as well. 858463ec3c83e7ba6f23227d3ff69c5792911266bd75David S. Miller */ 8585b0de8e402dc5d3ee04f4d0f669ae492a3e569933Mirko Lindner if (((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704) && 858663ec3c83e7ba6f23227d3ff69c5792911266bd75David S. Miller ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_MRVL88X2011)) 8587a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8588a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 8589a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM5464R) 8590a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8591a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8592a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8593a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pr_info("niu%d: Found PHY %08x type %s at phy_port %u\n", 8594a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->index, id, 8595f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches type == PHY_TYPE_PMA_PMD ? "PMA/PMD" : 8596f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches type == PHY_TYPE_PCS ? "PCS" : "MII", 8597a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_port); 8598a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8599a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (p->cur[type] >= NIU_MAX_PORTS) { 8600f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_err("Too many PHY ports\n"); 8601a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8602a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8603a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller idx = p->cur[type]; 8604a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->phy_id[type][idx] = id; 8605a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->phy_port[type][idx] = phy_port; 8606a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->cur[type] = idx + 1; 8607a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8608a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8609a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8610a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit port_has_10g(struct phy_probe_info *p, int port) 8611a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8612a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 8613a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8614a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < p->cur[PHY_TYPE_PMA_PMD]; i++) { 8615a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (p->phy_port[PHY_TYPE_PMA_PMD][i] == port) 8616a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 1; 8617a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8618a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < p->cur[PHY_TYPE_PCS]; i++) { 8619a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (p->phy_port[PHY_TYPE_PCS][i] == port) 8620a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 1; 8621a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8622a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8623a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8624a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8625a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8626a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit count_10g_ports(struct phy_probe_info *p, int *lowest) 8627a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8628a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int port, cnt; 8629a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8630a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cnt = 0; 8631a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *lowest = 32; 8632a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (port = 8; port < 32; port++) { 8633a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (port_has_10g(p, port)) { 8634a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!cnt) 8635a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *lowest = port; 8636a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cnt++; 8637a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8638a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8639a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8640a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return cnt; 8641a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8642a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8643a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit count_1g_ports(struct phy_probe_info *p, int *lowest) 8644a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8645a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *lowest = 32; 8646a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (p->cur[PHY_TYPE_MII]) 8647a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *lowest = p->phy_port[PHY_TYPE_MII][0]; 8648a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8649a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return p->cur[PHY_TYPE_MII]; 8650a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8651a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8652a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_n2_divide_channels(struct niu_parent *parent) 8653a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8654a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int num_ports = parent->num_ports; 8655a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 8656a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8657a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_ports; i++) { 8658a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->rxchan_per_port[i] = (16 / num_ports); 8659a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->txchan_per_port[i] = (16 / num_ports); 8660a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8661f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("niu%d: Port %u [%u RX chans] [%u TX chans]\n", 8662a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->index, i, 8663a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->rxchan_per_port[i], 8664a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->txchan_per_port[i]); 8665a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8666a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8667a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8668a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_divide_channels(struct niu_parent *parent, 8669a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int num_10g, int num_1g) 8670a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8671a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int num_ports = parent->num_ports; 8672a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int rx_chans_per_10g, rx_chans_per_1g; 8673a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int tx_chans_per_10g, tx_chans_per_1g; 8674a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, tot_rx, tot_tx; 8675a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8676a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!num_10g || !num_1g) { 8677a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rx_chans_per_10g = rx_chans_per_1g = 8678a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (NIU_NUM_RXCHAN / num_ports); 8679a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tx_chans_per_10g = tx_chans_per_1g = 8680a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (NIU_NUM_TXCHAN / num_ports); 8681a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 8682a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rx_chans_per_1g = NIU_NUM_RXCHAN / 8; 8683a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rx_chans_per_10g = (NIU_NUM_RXCHAN - 8684a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (rx_chans_per_1g * num_1g)) / 8685a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_10g; 8686a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8687a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tx_chans_per_1g = NIU_NUM_TXCHAN / 6; 8688a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tx_chans_per_10g = (NIU_NUM_TXCHAN - 8689a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (tx_chans_per_1g * num_1g)) / 8690a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_10g; 8691a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8692a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8693a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tot_rx = tot_tx = 0; 8694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_ports; i++) { 8695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int type = phy_decode(parent->port_phy, i); 8696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (type == PORT_TYPE_10G) { 8698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->rxchan_per_port[i] = rx_chans_per_10g; 8699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->txchan_per_port[i] = tx_chans_per_10g; 8700a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else { 8701a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->rxchan_per_port[i] = rx_chans_per_1g; 8702a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->txchan_per_port[i] = tx_chans_per_1g; 8703a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8704f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("niu%d: Port %u [%u RX chans] [%u TX chans]\n", 8705a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->index, i, 8706a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->rxchan_per_port[i], 8707a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->txchan_per_port[i]); 8708a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tot_rx += parent->rxchan_per_port[i]; 8709a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tot_tx += parent->txchan_per_port[i]; 8710a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8711a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8712a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (tot_rx > NIU_NUM_RXCHAN) { 8713f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_err("niu%d: Too many RX channels (%d), resetting to one per port\n", 8714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->index, tot_rx); 8715a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_ports; i++) 8716a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->rxchan_per_port[i] = 1; 8717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (tot_tx > NIU_NUM_TXCHAN) { 8719f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_err("niu%d: Too many TX channels (%d), resetting to one per port\n", 8720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->index, tot_tx); 8721a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_ports; i++) 8722a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->txchan_per_port[i] = 1; 8723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8724a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (tot_rx < NIU_NUM_RXCHAN || tot_tx < NIU_NUM_TXCHAN) { 8725f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_warning("niu%d: Driver bug, wasted channels, RX[%d] TX[%d]\n", 8726f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches parent->index, tot_rx, tot_tx); 8727a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8728a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8729a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8730a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_divide_rdc_groups(struct niu_parent *parent, 8731a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int num_10g, int num_1g) 8732a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8733a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, num_ports = parent->num_ports; 8734a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int rdc_group, rdc_groups_per_port; 8735a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int rdc_channel_base; 8736a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8737a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rdc_group = 0; 8738a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rdc_groups_per_port = NIU_NUM_RDC_TABLES / num_ports; 8739a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8740a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rdc_channel_base = 0; 8741a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8742a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_ports; i++) { 8743a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_rdc_tables *tp = &parent->rdc_group_cfg[i]; 8744a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int grp, num_channels = parent->rxchan_per_port[i]; 8745a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int this_channel_offset; 8746a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp->first_table_num = rdc_group; 8748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller tp->num_tables = rdc_groups_per_port; 8749a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller this_channel_offset = 0; 8750a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (grp = 0; grp < tp->num_tables; grp++) { 8751a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct rdc_table *rt = &tp->tables[grp]; 8752a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int slot; 8753a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8754f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_info("niu%d: Port %d RDC tbl(%d) [ ", 8755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->index, i, tp->first_table_num + grp); 8756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (slot = 0; slot < NIU_RDC_TABLE_SLOTS; slot++) { 8757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rt->rxdma_channel[slot] = 8758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rdc_channel_base + this_channel_offset; 8759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8760f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("%d ", rt->rxdma_channel[slot]); 8761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (++this_channel_offset == num_channels) 8763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller this_channel_offset = 0; 8764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8765f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_cont("]\n"); 8766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->rdc_default[i] = rdc_channel_base; 8769a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rdc_channel_base += num_channels; 8771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller rdc_group += rdc_groups_per_port; 8772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8775a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit fill_phy_probe_info(struct niu *np, 8776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent, 8777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct phy_probe_info *info) 8778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 8780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int port, err; 8781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8782a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memset(info, 0, sizeof(*info)); 8783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Port 0 to 7 are reserved for onboard Serdes, probe the rest. */ 8785a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_lock_parent(np, flags); 8786a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = 0; 8787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (port = 8; port < 32; port++) { 8788a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int dev_id_1, dev_id_2; 8789a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_id_1 = mdio_read(np, port, 8791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NIU_PMA_PMD_DEV_ADDR, MII_PHYSID1); 8792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_id_2 = mdio_read(np, port, 8793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NIU_PMA_PMD_DEV_ADDR, MII_PHYSID2); 8794a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8795a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PHY_TYPE_PMA_PMD); 8796a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 8797a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_id_1 = mdio_read(np, port, 8799a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NIU_PCS_DEV_ADDR, MII_PHYSID1); 8800a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_id_2 = mdio_read(np, port, 8801a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NIU_PCS_DEV_ADDR, MII_PHYSID2); 8802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8803a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PHY_TYPE_PCS); 8804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 8805a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_id_1 = mii_read(np, port, MII_PHYSID1); 8807a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_id_2 = mii_read(np, port, MII_PHYSID2); 8808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = phy_record(parent, info, dev_id_1, dev_id_2, port, 8809a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PHY_TYPE_MII); 8810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 8811a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 8812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8813a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_unlock_parent(np, flags); 8814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8815a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8816a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8817a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit walk_phys(struct niu *np, struct niu_parent *parent) 8819a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8820a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct phy_probe_info *info = &parent->phy_probe_info; 8821a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int lowest_10g, lowest_1g; 8822a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int num_10g, num_1g; 8823a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 val; 8824a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 8825a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8826e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera num_10g = num_1g = 0; 8827e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera 8828f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku if (!strcmp(np->vpd.model, NIU_ALONSO_MDL_STR) || 8829f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku !strcmp(np->vpd.model, NIU_KIMI_MDL_STR)) { 88305fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku num_10g = 0; 88315fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku num_1g = 2; 88325fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku parent->plat_type = PLAT_TYPE_ATCA_CP3220; 88335fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku parent->num_ports = 4; 88345fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (phy_encode(PORT_TYPE_1G, 0) | 88355fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 1) | 8836a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_encode(PORT_TYPE_1G, 2) | 8837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_encode(PORT_TYPE_1G, 3)); 8838f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku } else if (!strcmp(np->vpd.model, NIU_FOXXY_MDL_STR)) { 8839a5d6ab56daa439d681aab29955498486e452224dMatheos Worku num_10g = 2; 8840a5d6ab56daa439d681aab29955498486e452224dMatheos Worku num_1g = 0; 8841a5d6ab56daa439d681aab29955498486e452224dMatheos Worku parent->num_ports = 2; 8842a5d6ab56daa439d681aab29955498486e452224dMatheos Worku val = (phy_encode(PORT_TYPE_10G, 0) | 8843a5d6ab56daa439d681aab29955498486e452224dMatheos Worku phy_encode(PORT_TYPE_10G, 1)); 8844e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } else if ((np->flags & NIU_FLAGS_XCVR_SERDES) && 8845e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera (parent->plat_type == PLAT_TYPE_NIU)) { 8846e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera /* this is the Monza case */ 8847e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera if (np->flags & NIU_FLAGS_10G) { 8848e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera val = (phy_encode(PORT_TYPE_10G, 0) | 8849e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera phy_encode(PORT_TYPE_10G, 1)); 8850e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } else { 8851e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera val = (phy_encode(PORT_TYPE_1G, 0) | 8852e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera phy_encode(PORT_TYPE_1G, 1)); 8853e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera } 88545fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } else { 88555fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku err = fill_phy_probe_info(np, parent, info); 88565fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (err) 88575fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return err; 8858a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 88595fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku num_10g = count_10g_ports(info, &lowest_10g); 88605fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku num_1g = count_1g_ports(info, &lowest_1g); 8861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 88625fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku switch ((num_10g << 4) | num_1g) { 88635fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0x24: 88645fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (lowest_1g == 10) 88655fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku parent->plat_type = PLAT_TYPE_VF_P0; 88665fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku else if (lowest_1g == 26) 88675fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku parent->plat_type = PLAT_TYPE_VF_P1; 88685fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku else 88695fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku goto unknown_vg_1g_port; 8870a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 88715fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku /* fallthru */ 88725fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0x22: 8873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val = (phy_encode(PORT_TYPE_10G, 0) | 8874a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_encode(PORT_TYPE_10G, 1) | 8875a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_encode(PORT_TYPE_1G, 2) | 8876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_encode(PORT_TYPE_1G, 3)); 88775fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 8878a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 88795fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0x20: 88805fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (phy_encode(PORT_TYPE_10G, 0) | 88815fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_10G, 1)); 88825fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 8883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 88845fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0x10: 88855fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = phy_encode(PORT_TYPE_10G, np->port); 88865fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 8887a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 88885fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0x14: 88895fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (lowest_1g == 10) 88905fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku parent->plat_type = PLAT_TYPE_VF_P0; 88915fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku else if (lowest_1g == 26) 88925fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku parent->plat_type = PLAT_TYPE_VF_P1; 88935fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku else 88945fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku goto unknown_vg_1g_port; 88955fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 88965fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku /* fallthru */ 88975fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0x13: 88985fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if ((lowest_10g & 0x7) == 0) 88995fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (phy_encode(PORT_TYPE_10G, 0) | 89005fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 1) | 89015fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 2) | 89025fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 3)); 89035fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku else 89045fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (phy_encode(PORT_TYPE_1G, 0) | 89055fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_10G, 1) | 89065fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 2) | 89075fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 3)); 89085fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 89095fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 89105fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku case 0x04: 89115fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (lowest_1g == 10) 89125fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku parent->plat_type = PLAT_TYPE_VF_P0; 89135fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku else if (lowest_1g == 26) 89145fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku parent->plat_type = PLAT_TYPE_VF_P1; 89155fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku else 89165fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku goto unknown_vg_1g_port; 89175fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 89185fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku val = (phy_encode(PORT_TYPE_1G, 0) | 89195fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 1) | 89205fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 2) | 89215fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku phy_encode(PORT_TYPE_1G, 3)); 89225fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku break; 89235fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku 89245fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku default: 8925f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_err("Unsupported port config 10G[%d] 1G[%d]\n", 89265fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku num_10g, num_1g); 89275fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku return -EINVAL; 89285fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 8929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8930a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8931a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->port_phy = val; 8932a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8933a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->plat_type == PLAT_TYPE_NIU) 8934a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_n2_divide_channels(parent); 8935a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 8936a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_divide_channels(parent, num_10g, num_1g); 8937a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8938a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_divide_rdc_groups(parent, num_10g, num_1g); 8939a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8940a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8941a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8942a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerunknown_vg_1g_port: 8943f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches pr_err("Cannot identify platform type, 1gport=%d\n", lowest_1g); 8944a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8945a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8946a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8947a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_probe_ports(struct niu *np) 8948a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8949a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 8950a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, i; 8951a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8952a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->port_phy == PORT_PHY_UNKNOWN) { 8953a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = walk_phys(np, parent); 8954a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 8955a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 8956a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8957a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_set_ldg_timer_res(np, 2); 8958a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i <= LDN_MAX; i++) 8959a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ldn_irq_enable(np, i, 0); 8960a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 8961a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8962a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->port_phy == PORT_PHY_INVALID) 8963a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 8964a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8965a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 8966a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8967a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8968a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_classifier_swstate_init(struct niu *np) 8969a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8970a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_classifier *cp = &np->clas; 8971a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 89722d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera cp->tcam_top = (u16) np->port; 89732d96cf8cdfd625da51e5d237d564cd75d3147547Santwona Behera cp->tcam_sz = np->parent->tcam_num_entries / np->parent->num_ports; 8974a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cp->h1_init = 0xffffffff; 8975a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller cp->h2_init = 0xffff; 8976a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8977a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return fflp_early_init(np); 8978a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 8979a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8980a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_link_config_init(struct niu *np) 8981a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 8982a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_link_config *lp = &np->link_config; 8983a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 8984a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->advertising = (ADVERTISED_10baseT_Half | 8985a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ADVERTISED_10baseT_Full | 8986a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ADVERTISED_100baseT_Half | 8987a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ADVERTISED_100baseT_Full | 8988a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ADVERTISED_1000baseT_Half | 8989a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ADVERTISED_1000baseT_Full | 8990a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ADVERTISED_10000baseT_Full | 8991a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ADVERTISED_Autoneg); 8992a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->speed = lp->active_speed = SPEED_INVALID; 899338bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->duplex = DUPLEX_FULL; 899438bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->active_duplex = DUPLEX_INVALID; 899538bb045d493cc166920834087acd934dedc1b5d5Constantin Baranov lp->autoneg = 1; 8996a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#if 0 8997a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->loopback_mode = LOOPBACK_MAC; 8998a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->active_speed = SPEED_10000; 8999a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->active_duplex = DUPLEX_FULL; 9000a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#else 9001a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->loopback_mode = LOOPBACK_DISABLED; 9002a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 9003a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9004a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9005a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_init_mac_ipp_pcs_base(struct niu *np) 9006a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9007a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (np->port) { 9008a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 0: 9009a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_regs = np->regs + XMAC_PORT0_OFF; 9010a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ipp_off = 0x00000; 9011a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->pcs_off = 0x04000; 9012a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->xpcs_off = 0x02000; 9013a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9014a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9015a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 1: 9016a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_regs = np->regs + XMAC_PORT1_OFF; 9017a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ipp_off = 0x08000; 9018a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->pcs_off = 0x0a000; 9019a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->xpcs_off = 0x08000; 9020a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9021a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9022a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 2: 9023a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_regs = np->regs + BMAC_PORT2_OFF; 9024a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ipp_off = 0x04000; 9025a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->pcs_off = 0x0e000; 9026a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->xpcs_off = ~0UL; 9027a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9028a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9029a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case 3: 9030a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->mac_regs = np->regs + BMAC_PORT3_OFF; 9031a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ipp_off = 0x0c000; 9032a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->pcs_off = 0x12000; 9033a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->xpcs_off = ~0UL; 9034a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9035a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9036a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 9037f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(np->device, "Port %u is invalid, cannot compute MAC block offset\n", np->port); 9038a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 9039a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9040a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9041a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9042a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9043a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9044a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_try_msix(struct niu *np, u8 *ldg_num_map) 9045a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9046a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct msix_entry msi_vec[NIU_NUM_LDG]; 9047a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 9048a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct pci_dev *pdev = np->pdev; 9049a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, num_irqs, err; 9050a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 first_ldg; 9051a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9052a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller first_ldg = (NIU_NUM_LDG / parent->num_ports) * np->port; 9053a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < (NIU_NUM_LDG / parent->num_ports); i++) 9054a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_num_map[i] = first_ldg + i; 9055a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9056a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_irqs = (parent->rxchan_per_port[np->port] + 9057a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent->txchan_per_port[np->port] + 9058a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (np->port == 0 ? 3 : 1)); 9059a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BUG_ON(num_irqs > (NIU_NUM_LDG / parent->num_ports)); 9060a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9061a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerretry: 9062a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_irqs; i++) { 9063a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller msi_vec[i].vector = 0; 9064a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller msi_vec[i].entry = i; 9065a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9066a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9067a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = pci_enable_msix(pdev, msi_vec, num_irqs); 9068a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err < 0) { 9069a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags &= ~NIU_FLAGS_MSIX; 9070a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return; 9071a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9072a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err > 0) { 9073a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_irqs = err; 9074a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto retry; 9075a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9076a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9077a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->flags |= NIU_FLAGS_MSIX; 9078a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < num_irqs; i++) 9079a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ldg[i].irq = msi_vec[i].vector; 9080a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->num_ldg = num_irqs; 9081a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9082a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9083a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_n2_irq_init(struct niu *np, u8 *ldg_num_map) 9084a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9085a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#ifdef CONFIG_SPARC64 90862dc11581376829303b98eadb2de253bee065a56aGrant Likely struct platform_device *op = np->op; 9087a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const u32 *int_prop; 9088a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 9089a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 909061c7a080a5a061c976988fd4b844dfb468dda255Grant Likely int_prop = of_get_property(op->dev.of_node, "interrupts", NULL); 9091a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!int_prop) 9092a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 9093a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 90941636f8ac2b08410df4766449f7c86b912443cd99Grant Likely for (i = 0; i < op->archdata.num_irqs; i++) { 9095a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_num_map[i] = int_prop[i]; 90961636f8ac2b08410df4766449f7c86b912443cd99Grant Likely np->ldg[i].irq = op->archdata.irqs[i]; 9097a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9098a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 90991636f8ac2b08410df4766449f7c86b912443cd99Grant Likely np->num_ldg = op->archdata.num_irqs; 9100a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9101a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9102a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#else 9103a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 9104a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 9105a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9106a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9107a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_ldg_init(struct niu *np) 9108a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9109a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *parent = np->parent; 9110a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 ldg_num_map[NIU_NUM_LDG]; 9111a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int first_chan, num_chan; 9112a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i, err, ldg_rotor; 9113a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 port; 9114a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9115a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->num_ldg = 1; 9116a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ldg[0].irq = np->dev->irq; 9117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (parent->plat_type == PLAT_TYPE_NIU) { 9118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_n2_irq_init(np, ldg_num_map); 9119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9121a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } else 9122a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_try_msix(np, ldg_num_map); 9123a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9124a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller port = np->port; 9125a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < np->num_ldg; i++) { 9126a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_ldg *lp = &np->ldg[i]; 9127a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9128a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_napi_add(np->dev, &lp->napi, niu_poll, 64); 9129a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9130a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->np = np; 9131a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->ldg_num = ldg_num_map[i]; 9132a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller lp->timer = 2; /* XXX */ 9133a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9134a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* On N2 NIU the firmware has setup the SID mappings so they go 9135a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * to the correct values that will route the LDG to the proper 9136a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * interrupt in the NCU interrupt table. 9137a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 9138a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type != PLAT_TYPE_NIU) { 9139a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_set_ldg_sid(np, lp->ldg_num, port, i); 9140a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9141a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9142a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9143a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9144a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9145a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* We adopt the LDG assignment ordering used by the N2 NIU 9146a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * 'interrupt' properties because that simplifies a lot of 9147a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * things. This ordering is: 9148a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * 9149a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * MAC 9150a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * MIF (if port zero) 9151a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * SYSERR (if port zero) 9152a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * RX channels 9153a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller * TX channels 9154a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller */ 9155a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9156a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor = 0; 9157a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9158a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_ldg_assign_ldn(np, parent, ldg_num_map[ldg_rotor], 9159a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller LDN_MAC(port)); 9160a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9161a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9162a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9163a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor++; 9164a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldg_rotor == np->num_ldg) 9165a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor = 0; 9166a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9167a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (port == 0) { 9168a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_ldg_assign_ldn(np, parent, 9169a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_num_map[ldg_rotor], 9170a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller LDN_MIF); 9171a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9172a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9173a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9174a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor++; 9175a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldg_rotor == np->num_ldg) 9176a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor = 0; 9177a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9178a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_ldg_assign_ldn(np, parent, 9179a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_num_map[ldg_rotor], 9180a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller LDN_DEVICE_ERROR); 9181a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9182a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9183a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9184a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor++; 9185a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldg_rotor == np->num_ldg) 9186a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor = 0; 9187a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9188a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9189a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9190a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller first_chan = 0; 9191a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < port; i++) 9192956837f7c954443f426a82ba6f17b33488cf9a0cJulia Lawall first_chan += parent->rxchan_per_port[i]; 9193a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_chan = parent->rxchan_per_port[port]; 9194a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9195a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = first_chan; i < (first_chan + num_chan); i++) { 9196a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_ldg_assign_ldn(np, parent, 9197a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_num_map[ldg_rotor], 9198a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller LDN_RXDMA(i)); 9199a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9200a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9201a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor++; 9202a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldg_rotor == np->num_ldg) 9203a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor = 0; 9204a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9205a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9206a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller first_chan = 0; 9207a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < port; i++) 9208956837f7c954443f426a82ba6f17b33488cf9a0cJulia Lawall first_chan += parent->txchan_per_port[i]; 9209a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller num_chan = parent->txchan_per_port[port]; 9210a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = first_chan; i < (first_chan + num_chan); i++) { 9211a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_ldg_assign_ldn(np, parent, 9212a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_num_map[ldg_rotor], 9213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller LDN_TXDMA(i)); 9214a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9215a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor++; 9217a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ldg_rotor == np->num_ldg) 9218a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ldg_rotor = 0; 9219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9221a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9222a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9223a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devexit niu_ldg_free(struct niu *np) 9225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->flags & NIU_FLAGS_MSIX) 9227a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_disable_msix(np->pdev); 9228a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_get_of_props(struct niu *np) 9231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#ifdef CONFIG_SPARC64 9233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = np->dev; 9234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct device_node *dp; 9235a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char *phy_type; 9236a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const u8 *mac_addr; 9237f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku const char *model; 9238a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int prop_len; 9239a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type == PLAT_TYPE_NIU) 924161c7a080a5a061c976988fd4b844dfb468dda255Grant Likely dp = np->op->dev.of_node; 9242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 9243a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dp = pci_device_to_OF_node(np->pdev); 9244a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9245a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller phy_type = of_get_property(dp, "phy-type", &prop_len); 9246a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!phy_type) { 9247f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(dev, "%s: OF node lacks phy-type property\n", 9248f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dp->full_name); 9249a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 9250a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9251a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9252a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!strcmp(phy_type, "none")) 9253a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 9254a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9255a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller strcpy(np->vpd.phy_type, phy_type); 9256a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9257a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) { 9258f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(dev, "%s: Illegal phy string [%s]\n", 9259f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dp->full_name, np->vpd.phy_type); 9260a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 9261a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9262a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9263a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mac_addr = of_get_property(dp, "local-mac-address", &prop_len); 9264a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!mac_addr) { 9265f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(dev, "%s: OF node lacks local-mac-address property\n", 9266f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dp->full_name); 9267a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 9268a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9269a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (prop_len != dev->addr_len) { 9270f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(dev, "%s: OF MAC address prop len (%d) is wrong\n", 9271f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dp->full_name, prop_len); 9272a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9273a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(dev->perm_addr, mac_addr, dev->addr_len); 9274a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!is_valid_ether_addr(&dev->perm_addr[0])) { 9275f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(dev, "%s: OF MAC address is invalid\n", 9276f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dp->full_name); 9277f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netdev_err(dev, "%s: [ %pM ]\n", dp->full_name, dev->perm_addr); 9278a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 9279a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9280a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9281a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len); 9282f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku 9283f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku model = of_get_property(dp, "model", &prop_len); 9284f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku 9285f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku if (model) 9286f9af857489cc19ee3acd0d5248dca7d243e353a5Matheos Worku strcpy(np->vpd.model, model); 9287a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 92889c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang if (of_find_property(dp, "hot-swappable-phy", &prop_len)) { 92899c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang np->flags |= (NIU_FLAGS_10G | NIU_FLAGS_FIBER | 92909c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang NIU_FLAGS_HOTPLUG_PHY); 92919c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang } 92929c5cd6708008fcc3dbced6e4b97aa5ecd0634a85Tanli Chang 9293a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9294a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#else 9295a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 9296a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 9297a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9298a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9299a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_get_invariants(struct niu *np) 9300a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9301a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, have_props; 9302a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 offset; 9303a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9304a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_get_of_props(np); 9305a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err == -ENODEV) 9306a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9307a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9308a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller have_props = !err; 9309a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9310a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_mac_ipp_pcs_base(np); 9311a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9312a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9313a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 93147f7c4072ea552f97a0898331322f71986a97299cMatheos Worku if (have_props) { 93157f7c4072ea552f97a0898331322f71986a97299cMatheos Worku err = niu_get_and_validate_port(np); 93167f7c4072ea552f97a0898331322f71986a97299cMatheos Worku if (err) 93177f7c4072ea552f97a0898331322f71986a97299cMatheos Worku return err; 93187f7c4072ea552f97a0898331322f71986a97299cMatheos Worku 93197f7c4072ea552f97a0898331322f71986a97299cMatheos Worku } else { 9320a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->parent->plat_type == PLAT_TYPE_NIU) 9321a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -EINVAL; 9322a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9323a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ESPC_PIO_EN, ESPC_PIO_EN_ENABLE); 9324a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller offset = niu_pci_vpd_offset(np); 9325f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 9326f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "%s() VPD offset [%08x]\n", __func__, offset); 9327a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (offset) 9328a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_pci_vpd_fetch(np, offset); 9329a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller nw64(ESPC_PIO_EN, 0); 9330a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 93317f7c4072ea552f97a0898331322f71986a97299cMatheos Worku if (np->flags & NIU_FLAGS_VPD_VALID) { 9332a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_pci_vpd_validate(np); 93337f7c4072ea552f97a0898331322f71986a97299cMatheos Worku err = niu_get_and_validate_port(np); 93347f7c4072ea552f97a0898331322f71986a97299cMatheos Worku if (err) 93357f7c4072ea552f97a0898331322f71986a97299cMatheos Worku return err; 93367f7c4072ea552f97a0898331322f71986a97299cMatheos Worku } 9337a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9338a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(np->flags & NIU_FLAGS_VPD_VALID)) { 93397f7c4072ea552f97a0898331322f71986a97299cMatheos Worku err = niu_get_and_validate_port(np); 93407f7c4072ea552f97a0898331322f71986a97299cMatheos Worku if (err) 93417f7c4072ea552f97a0898331322f71986a97299cMatheos Worku return err; 9342a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_pci_probe_sprom(np); 9343a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9344a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9345a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9346a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9347a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9348a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_probe_ports(np); 9349a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9350a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9351a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9352a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ldg_init(np); 9353a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9354a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_classifier_swstate_init(np); 9355a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_link_config_init(np); 9356a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9357a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_determine_phy_disposition(np); 9358a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) 9359a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_link(np); 9360a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9361a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9362a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9363a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9364a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic LIST_HEAD(niu_parent_list); 9365a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic DEFINE_MUTEX(niu_parent_lock); 9366a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_parent_index; 9367a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9368a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic ssize_t show_port_phy(struct device *dev, 9369a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct device_attribute *attr, char *buf) 9370a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9371a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct platform_device *plat_dev = to_platform_device(dev); 9372a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *p = plat_dev->dev.platform_data; 9373a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u32 port_phy = p->port_phy; 9374a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller char *orig_buf = buf; 9375a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 9376a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9377a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (port_phy == PORT_PHY_UNKNOWN || 9378a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller port_phy == PORT_PHY_INVALID) 9379a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9380a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9381a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < p->num_ports; i++) { 9382a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char *type_str; 9383a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int type; 9384a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9385a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type = phy_decode(port_phy, i); 9386a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (type == PORT_TYPE_10G) 9387a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type_str = "10G"; 9388a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller else 9389a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type_str = "1G"; 9390a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller buf += sprintf(buf, 9391a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (i == 0) ? "%s" : " %s", 9392a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type_str); 9393a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9394a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller buf += sprintf(buf, "\n"); 9395a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return buf - orig_buf; 9396a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9397a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9398a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic ssize_t show_plat_type(struct device *dev, 9399a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct device_attribute *attr, char *buf) 9400a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9401a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct platform_device *plat_dev = to_platform_device(dev); 9402a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *p = plat_dev->dev.platform_data; 9403a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const char *type_str; 9404a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9405a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller switch (p->plat_type) { 9406a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case PLAT_TYPE_ATLAS: 9407a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type_str = "atlas"; 9408a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9409a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case PLAT_TYPE_NIU: 9410a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type_str = "niu"; 9411a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9412a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case PLAT_TYPE_VF_P0: 9413a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type_str = "vf_p0"; 9414a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9415a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller case PLAT_TYPE_VF_P1: 9416a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type_str = "vf_p1"; 9417a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9418a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller default: 9419a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller type_str = "unknown"; 9420a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9421a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9422a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9423a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return sprintf(buf, "%s\n", type_str); 9424a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9425a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9426a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic ssize_t __show_chan_per_port(struct device *dev, 9427a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct device_attribute *attr, char *buf, 9428a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int rx) 9429a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9430a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct platform_device *plat_dev = to_platform_device(dev); 9431a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *p = plat_dev->dev.platform_data; 9432a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller char *orig_buf = buf; 9433a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 *arr; 9434a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 9435a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9436a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller arr = (rx ? p->rxchan_per_port : p->txchan_per_port); 9437a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9438a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < p->num_ports; i++) { 9439a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller buf += sprintf(buf, 9440a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (i == 0) ? "%d" : " %d", 9441a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller arr[i]); 9442a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9443a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller buf += sprintf(buf, "\n"); 9444a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9445a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return buf - orig_buf; 9446a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9447a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9448a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic ssize_t show_rxchan_per_port(struct device *dev, 9449a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct device_attribute *attr, char *buf) 9450a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9451a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return __show_chan_per_port(dev, attr, buf, 1); 9452a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9453a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9454a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic ssize_t show_txchan_per_port(struct device *dev, 9455a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct device_attribute *attr, char *buf) 9456a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9457a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return __show_chan_per_port(dev, attr, buf, 1); 9458a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9459a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9460a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic ssize_t show_num_ports(struct device *dev, 9461a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct device_attribute *attr, char *buf) 9462a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9463a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct platform_device *plat_dev = to_platform_device(dev); 9464a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *p = plat_dev->dev.platform_data; 9465a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9466a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return sprintf(buf, "%d\n", p->num_ports); 9467a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9468a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9469a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic struct device_attribute niu_parent_attributes[] = { 9470a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __ATTR(port_phy, S_IRUGO, show_port_phy, NULL), 9471a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __ATTR(plat_type, S_IRUGO, show_plat_type, NULL), 9472a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __ATTR(rxchan_per_port, S_IRUGO, show_rxchan_per_port, NULL), 9473a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __ATTR(txchan_per_port, S_IRUGO, show_txchan_per_port, NULL), 9474a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller __ATTR(num_ports, S_IRUGO, show_num_ports, NULL), 9475a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller {} 9476a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 9477a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9478a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic struct niu_parent * __devinit niu_new_parent(struct niu *np, 9479a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller union niu_parent_id *id, 9480a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 ptype) 9481a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9482a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct platform_device *plat_dev; 9483a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *p; 9484a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int i; 9485a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9486a769f4968396093d5cc1b1a86204cef579784b24David S. Miller plat_dev = platform_device_register_simple("niu-board", niu_parent_index, 9487a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller NULL, 0); 948858f3e0a864c46dadbeadf682e6bbdcab14ba19d3Dan Carpenter if (IS_ERR(plat_dev)) 9489a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return NULL; 9490a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9491a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; attr_name(niu_parent_attributes[i]); i++) { 9492a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = device_create_file(&plat_dev->dev, 9493a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &niu_parent_attributes[i]); 9494a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 9495a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto fail_unregister; 9496a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9497a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9498a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p = kzalloc(sizeof(*p), GFP_KERNEL); 9499a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!p) 9500a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto fail_unregister; 9501a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9502a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->index = niu_parent_index++; 9503a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9504a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller plat_dev->dev.platform_data = p; 9505a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->plat_dev = plat_dev; 9506a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9507a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memcpy(&p->id, id, sizeof(*id)); 9508a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->plat_type = ptype; 9509a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller INIT_LIST_HEAD(&p->list); 9510a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller atomic_set(&p->refcnt, 0); 9511a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller list_add(&p->list, &niu_parent_list); 9512a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_init(&p->lock); 9513a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9514a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->rxdma_clock_divider = 7500; 9515a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9516a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->tcam_num_entries = NIU_PCI_TCAM_ENTRIES; 9517a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (p->plat_type == PLAT_TYPE_NIU) 9518a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->tcam_num_entries = NIU_NONPCI_TCAM_ENTRIES; 9519a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9520a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_SCTP_IPV6; i++) { 9521a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int index = i - CLASS_CODE_USER_PROG1; 9522a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9523a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->tcam_key[index] = TCAM_KEY_TSEL; 9524a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->flow_key[index] = (FLOW_KEY_IPSA | 9525a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller FLOW_KEY_IPDA | 9526a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller FLOW_KEY_PROTO | 9527a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (FLOW_KEY_L4_BYTE12 << 9528a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller FLOW_KEY_L4_0_SHIFT) | 9529a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller (FLOW_KEY_L4_BYTE12 << 9530a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller FLOW_KEY_L4_1_SHIFT)); 9531a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9532a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9533a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller for (i = 0; i < LDN_MAX + 1; i++) 9534a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->ldg_map[i] = LDG_INVALID; 9535a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9536a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return p; 9537a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9538a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerfail_unregister: 9539a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller platform_device_unregister(plat_dev); 9540a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return NULL; 9541a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9542a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9543a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic struct niu_parent * __devinit niu_get_parent(struct niu *np, 9544a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller union niu_parent_id *id, 9545a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 ptype) 9546a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9547a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *p, *tmp; 9548a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int port = np->port; 9549a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9550a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mutex_lock(&niu_parent_lock); 9551a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p = NULL; 9552a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller list_for_each_entry(tmp, &niu_parent_list, list) { 9553a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!memcmp(id, &tmp->id, sizeof(*id))) { 9554a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p = tmp; 9555a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller break; 9556a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9557a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9558a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!p) 9559a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p = niu_new_parent(np, id, ptype); 9560a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9561a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (p) { 9562a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller char port_name[6]; 9563a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 9564a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9565a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sprintf(port_name, "port%d", port); 9566a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = sysfs_create_link(&p->plat_dev->dev.kobj, 9567a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &np->device->kobj, 9568a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller port_name); 9569a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 9570a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->ports[port] = np; 9571a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller atomic_inc(&p->refcnt); 9572a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9573a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9574a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mutex_unlock(&niu_parent_lock); 9575a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9576a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return p; 9577a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9578a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9579a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_put_parent(struct niu *np) 9580a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9581a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu_parent *p = np->parent; 9582a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 port = np->port; 9583a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller char port_name[6]; 9584a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9585a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller BUG_ON(!p || p->ports[port] != np); 9586a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9587f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches netif_printk(np, probe, KERN_DEBUG, np->dev, 9588f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches "%s() port[%u]\n", __func__, port); 9589a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9590a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sprintf(port_name, "port%d", port); 9591a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9592a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mutex_lock(&niu_parent_lock); 9593a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9594a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller sysfs_remove_link(&p->plat_dev->dev.kobj, port_name); 9595a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9596a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller p->ports[port] = NULL; 9597a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->parent = NULL; 9598a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9599a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (atomic_dec_and_test(&p->refcnt)) { 9600a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller list_del(&p->list); 9601a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller platform_device_unregister(p->plat_dev); 9602a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9603a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9604a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller mutex_unlock(&niu_parent_lock); 9605a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9606a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9607a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void *niu_pci_alloc_coherent(struct device *dev, size_t size, 9608a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 *handle, gfp_t flag) 9609a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9610a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dma_addr_t dh; 9611a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller void *ret; 9612a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9613a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller ret = dma_alloc_coherent(dev, size, &dh, flag); 9614a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (ret) 9615a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *handle = dh; 9616a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return ret; 9617a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9618a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9619a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_pci_free_coherent(struct device *dev, size_t size, 9620a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller void *cpu_addr, u64 handle) 9621a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9622a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dma_free_coherent(dev, size, cpu_addr, handle); 9623a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9624a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9625a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 niu_pci_map_page(struct device *dev, struct page *page, 9626a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long offset, size_t size, 9627a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller enum dma_data_direction direction) 9628a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9629a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return dma_map_page(dev, page, offset, size, direction); 9630a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9631a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9632a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_pci_unmap_page(struct device *dev, u64 dma_address, 9633a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller size_t size, enum dma_data_direction direction) 9634a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9635a08b32df1417146b1a4c43e641ec1177da51896cHannes Eder dma_unmap_page(dev, dma_address, size, direction); 9636a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9637a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9638a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 niu_pci_map_single(struct device *dev, void *cpu_addr, 9639a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller size_t size, 9640a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller enum dma_data_direction direction) 9641a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9642a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return dma_map_single(dev, cpu_addr, size, direction); 9643a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9644a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9645a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_pci_unmap_single(struct device *dev, u64 dma_address, 9646a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller size_t size, 9647a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller enum dma_data_direction direction) 9648a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9649a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dma_unmap_single(dev, dma_address, size, direction); 9650a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9651a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9652a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_ops niu_pci_ops = { 9653a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .alloc_coherent = niu_pci_alloc_coherent, 9654a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .free_coherent = niu_pci_free_coherent, 9655a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .map_page = niu_pci_map_page, 9656a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .unmap_page = niu_pci_unmap_page, 9657a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .map_single = niu_pci_map_single, 9658a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .unmap_single = niu_pci_unmap_single, 9659a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 9660a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9661a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_driver_version(void) 9662a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9663a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller static int niu_version_printed; 9664a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9665a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (niu_version_printed++ == 0) 9666a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pr_info("%s", version); 9667a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9668a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9669a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic struct net_device * __devinit niu_alloc_and_init( 9670a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct device *gen_dev, struct pci_dev *pdev, 96712dc11581376829303b98eadb2de253bee065a56aGrant Likely struct platform_device *op, const struct niu_ops *ops, 9672a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u8 port) 9673a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9674b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller struct net_device *dev; 9675a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np; 9676a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9677b4c21639ab0f6df07ab7624a8c2f974936708ae5David S. Miller dev = alloc_etherdev_mq(sizeof(struct niu), NIU_NUM_TXCHAN); 967841de8d4cff21a2e81e3d9ff66f5f7c903f9c3ab1Joe Perches if (!dev) 9679a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return NULL; 9680a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9681a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller SET_NETDEV_DEV(dev, gen_dev); 9682a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9683a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np = netdev_priv(dev); 9684a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->dev = dev; 9685a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->pdev = pdev; 9686a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->op = op; 9687a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->device = gen_dev; 9688a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->ops = ops; 9689a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9690a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->msg_enable = niu_debug; 9691a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9692a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_init(&np->lock); 9693a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller INIT_WORK(&np->reset_task, niu_reset_task); 9694a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9695a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->port = port; 9696a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9697a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return dev; 9698a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9699a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 97002c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemmingerstatic const struct net_device_ops niu_netdev_ops = { 97012c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger .ndo_open = niu_open, 97022c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger .ndo_stop = niu_close, 9703008298231abbeb91bc7be9e8b078607b816d1a4aStephen Hemminger .ndo_start_xmit = niu_start_xmit, 97041a7a10325d370e2cbed0c5bb7313904545f6dac8stephen hemminger .ndo_get_stats64 = niu_get_stats, 970501789349ee52e4a3faf376f1485303d9723c4f1fJiri Pirko .ndo_set_rx_mode = niu_set_rx_mode, 97062c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger .ndo_validate_addr = eth_validate_addr, 97072c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger .ndo_set_mac_address = niu_set_mac_addr, 97082c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger .ndo_do_ioctl = niu_ioctl, 97092c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger .ndo_tx_timeout = niu_tx_timeout, 97102c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger .ndo_change_mtu = niu_change_mtu, 97112c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger}; 97122c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger 9713a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_assign_netdev_ops(struct net_device *dev) 9714a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 97152c9171d4ef431d8ed897daf4fee6798979cbb432Stephen Hemminger dev->netdev_ops = &niu_netdev_ops; 9716a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->ethtool_ops = &niu_ethtool_ops; 9717a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->watchdog_timeo = NIU_TX_TIMEOUT; 9718a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9719a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9720a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devinit niu_device_announce(struct niu *np) 9721a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9722a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = np->dev; 9723a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9724e174961ca1a0b28f7abf0be47973ad57cb74e5f0Johannes Berg pr_info("%s: NIU Ethernet %pM\n", dev->name, dev->dev_addr); 9725a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 97265fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku if (np->parent->plat_type == PLAT_TYPE_ATCA_CP3220) { 97275fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku pr_info("%s: Port type[%s] mode[%s:%s] XCVR[%s] phy[%s]\n", 97285fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku dev->name, 97295fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->flags & NIU_FLAGS_XMAC ? "XMAC" : "BMAC"), 97305fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->flags & NIU_FLAGS_10G ? "10G" : "1G"), 97315fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->flags & NIU_FLAGS_FIBER ? "RGMII FIBER" : "SERDES"), 97325fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->mac_xcvr == MAC_XCVR_MII ? "MII" : 97335fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->mac_xcvr == MAC_XCVR_PCS ? "PCS" : "XPCS")), 97345fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->vpd.phy_type); 97355fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } else { 97365fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku pr_info("%s: Port type[%s] mode[%s:%s] XCVR[%s] phy[%s]\n", 97375fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku dev->name, 97385fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->flags & NIU_FLAGS_XMAC ? "XMAC" : "BMAC"), 97395fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->flags & NIU_FLAGS_10G ? "10G" : "1G"), 9740e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera (np->flags & NIU_FLAGS_FIBER ? "FIBER" : 9741e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera (np->flags & NIU_FLAGS_XCVR_SERDES ? "SERDES" : 9742e3e081e1d5c4791f4416ed57b7a2f143ab9e5b09Santwona Behera "COPPER")), 97435fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->mac_xcvr == MAC_XCVR_MII ? "MII" : 97445fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku (np->mac_xcvr == MAC_XCVR_PCS ? "PCS" : "XPCS")), 97455fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku np->vpd.phy_type); 97465fbd7e24da874a1c7b06ae6b10bbf2d71c1b6a11Matheos Worku } 9747a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9748a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 97493cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Millerstatic void __devinit niu_set_basic_features(struct net_device *dev) 97503cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller{ 97513cd8ef4b6071834fd432bbccbec0611591908643Michał Mirosław dev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXHASH; 97523cd8ef4b6071834fd432bbccbec0611591908643Michał Mirosław dev->features |= dev->hw_features | NETIF_F_RXCSUM; 97533cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller} 97543cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller 9755a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __devinit niu_pci_init_one(struct pci_dev *pdev, 9756a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const struct pci_device_id *ent) 9757a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9758a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller union niu_parent_id parent_id; 9759a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev; 9760a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np; 9761a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err, pos; 9762a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 dma_mask; 9763a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u16 val16; 9764a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9765a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_driver_version(); 9766a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9767a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = pci_enable_device(pdev); 9768a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 9769f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); 9770a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9771a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9772a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9773a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || 9774a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { 9775f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "Cannot find proper PCI device base addresses, aborting\n"); 9776a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENODEV; 9777a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_disable_pdev; 9778a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9779a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9780a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = pci_request_regions(pdev, DRV_MODULE_NAME); 9781a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 9782f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n"); 9783a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_disable_pdev; 9784a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9785a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9786d3aa0cb44f2cfcdfa6df1bd40b9c182b35528849Jon Mason pos = pci_pcie_cap(pdev); 9787a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (pos <= 0) { 9788f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "Cannot find PCI Express capability, aborting\n"); 9789a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_free_res; 9790a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9791a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9792a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev = niu_alloc_and_init(&pdev->dev, pdev, NULL, 9793a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &niu_pci_ops, PCI_FUNC(pdev->devfn)); 9794a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!dev) { 9795a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 9796a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_free_res; 9797a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9798a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np = netdev_priv(dev); 9799a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9800a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memset(&parent_id, 0, sizeof(parent_id)); 9801a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent_id.pci.domain = pci_domain_nr(pdev->bus); 9802a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent_id.pci.bus = pdev->bus->number; 9803a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller parent_id.pci.device = PCI_SLOT(pdev->devfn); 9804a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9805a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->parent = niu_get_parent(np, &parent_id, 9806a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PLAT_TYPE_ATLAS); 9807a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!np->parent) { 9808a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 9809a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_free_dev; 9810a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9811a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9812a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_read_config_word(pdev, pos + PCI_EXP_DEVCTL, &val16); 9813a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val16 &= ~PCI_EXP_DEVCTL_NOSNOOP_EN; 9814a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller val16 |= (PCI_EXP_DEVCTL_CERE | 9815a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PCI_EXP_DEVCTL_NFERE | 9816a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PCI_EXP_DEVCTL_FERE | 9817a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PCI_EXP_DEVCTL_URRE | 9818a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PCI_EXP_DEVCTL_RELAX_EN); 9819a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_write_config_word(pdev, pos + PCI_EXP_DEVCTL, val16); 9820a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 98218cbd9623da7e7a99c6bd0f0b7d21d17c233c6abbMarin Mitov dma_mask = DMA_BIT_MASK(44); 9822a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = pci_set_dma_mask(pdev, dma_mask); 9823a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 9824a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->features |= NETIF_F_HIGHDMA; 9825a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = pci_set_consistent_dma_mask(pdev, dma_mask); 9826a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 9827f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "Unable to obtain 44 bit DMA for consistent allocations, aborting\n"); 9828a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_release_parent; 9829a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9830a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9831284901a90a9e0b812ca3f5f852cbbfb60d10249dYang Hongyang if (err || dma_mask == DMA_BIT_MASK(32)) { 9832284901a90a9e0b812ca3f5f852cbbfb60d10249dYang Hongyang err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 9833a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 9834f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "No usable DMA configuration, aborting\n"); 9835a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_release_parent; 9836a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9837a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9838a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 98393cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller niu_set_basic_features(dev); 9840a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 984101789349ee52e4a3faf376f1485303d9723c4f1fJiri Pirko dev->priv_flags |= IFF_UNICAST_FLT; 984201789349ee52e4a3faf376f1485303d9723c4f1fJiri Pirko 984319ecb6ba800765743bb4525c66562f0d30993f8dDavid S. Miller np->regs = pci_ioremap_bar(pdev, 0); 9844a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!np->regs) { 9845f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "Cannot map device registers, aborting\n"); 9846a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 9847a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_release_parent; 9848a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9849a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9850a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_set_master(pdev); 9851a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_save_state(pdev); 9852a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9853a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev->irq = pdev->irq; 9854a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9855a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_assign_netdev_ops(dev); 9856a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9857a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_get_invariants(np); 9858a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 9859a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != -ENODEV) 9860f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "Problem fetching invariants of chip, aborting\n"); 9861a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_iounmap; 9862a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9863a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9864a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = register_netdev(dev); 9865a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 9866f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&pdev->dev, "Cannot register net device, aborting\n"); 9867a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_iounmap; 9868a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9869a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9870a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_set_drvdata(pdev, dev); 9871a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9872a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_device_announce(np); 9873a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9874a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9875a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9876a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out_iounmap: 9877a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->regs) { 9878a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller iounmap(np->regs); 9879a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->regs = NULL; 9880a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9881a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9882a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out_release_parent: 9883a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_put_parent(np); 9884a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9885a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out_free_dev: 9886a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller free_netdev(dev); 9887a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9888a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out_free_res: 9889a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_release_regions(pdev); 9890a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9891a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out_disable_pdev: 9892a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_disable_device(pdev); 9893a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_set_drvdata(pdev, NULL); 9894a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9895a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9896a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9897a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9898a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __devexit niu_pci_remove_one(struct pci_dev *pdev) 9899a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9900a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = pci_get_drvdata(pdev); 9901a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9902a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (dev) { 9903a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 9904a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9905a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unregister_netdev(dev); 9906a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->regs) { 9907a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller iounmap(np->regs); 9908a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->regs = NULL; 9909a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9910a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9911a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ldg_free(np); 9912a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9913a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_put_parent(np); 9914a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9915a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller free_netdev(dev); 9916a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_release_regions(pdev); 9917a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_disable_device(pdev); 9918a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_set_drvdata(pdev, NULL); 9919a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9920a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9921a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9922a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_suspend(struct pci_dev *pdev, pm_message_t state) 9923a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9924a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = pci_get_drvdata(pdev); 9925a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 9926a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 9927a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9928a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!netif_running(dev)) 9929a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9930a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 993123f333a2bfafba80339315b724808982a9de57d9Tejun Heo flush_work_sync(&np->reset_task); 9932a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_netif_stop(np); 9933a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9934a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller del_timer_sync(&np->timer); 9935a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9936a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 9937a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_enable_interrupts(np, 0); 9938a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 9939a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9940a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_device_detach(dev); 9941a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9942a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 9943a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_stop_hw(np); 9944a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 9945a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9946a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_save_state(pdev); 9947a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9948a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9949a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9950a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9951a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int niu_resume(struct pci_dev *pdev) 9952a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9953a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = pci_get_drvdata(pdev); 9954a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 9955a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long flags; 9956a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 9957a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9958a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!netif_running(dev)) 9959a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 9960a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9961a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_restore_state(pdev); 9962a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9963a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller netif_device_attach(dev); 9964a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9965a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_lock_irqsave(&np->lock, flags); 9966a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9967a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_init_hw(np); 9968a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 9969a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->timer.expires = jiffies + HZ; 9970a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller add_timer(&np->timer); 9971a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_netif_start(np); 9972a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 9973a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9974a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller spin_unlock_irqrestore(&np->lock, flags); 9975a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9976a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 9977a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 9978a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9979a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic struct pci_driver niu_pci_driver = { 9980a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .name = DRV_MODULE_NAME, 9981a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .id_table = niu_pci_tbl, 9982a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .probe = niu_pci_init_one, 9983a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .remove = __devexit_p(niu_pci_remove_one), 9984a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .suspend = niu_suspend, 9985a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .resume = niu_resume, 9986a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 9987a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9988a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#ifdef CONFIG_SPARC64 9989a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void *niu_phys_alloc_coherent(struct device *dev, size_t size, 9990a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller u64 *dma_addr, gfp_t flag) 9991a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 9992a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long order = get_order(size); 9993a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long page = __get_free_pages(flag, order); 9994a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 9995a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (page == 0UL) 9996a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return NULL; 9997a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memset((char *)page, 0, PAGE_SIZE << order); 9998a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller *dma_addr = __pa(page); 9999a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10000a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return (void *) page; 10001a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10002a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10003a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_phys_free_coherent(struct device *dev, size_t size, 10004a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller void *cpu_addr, u64 handle) 10005a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10006a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long order = get_order(size); 10007a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10008a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller free_pages((unsigned long) cpu_addr, order); 10009a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10010a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10011a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 niu_phys_map_page(struct device *dev, struct page *page, 10012a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unsigned long offset, size_t size, 10013a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller enum dma_data_direction direction) 10014a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10015a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return page_to_phys(page) + offset; 10016a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10017a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10018a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_phys_unmap_page(struct device *dev, u64 dma_address, 10019a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller size_t size, enum dma_data_direction direction) 10020a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10021a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Nothing to do. */ 10022a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10023a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10024a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic u64 niu_phys_map_single(struct device *dev, void *cpu_addr, 10025a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller size_t size, 10026a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller enum dma_data_direction direction) 10027a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10028a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return __pa(cpu_addr); 10029a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10030a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10031a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void niu_phys_unmap_single(struct device *dev, u64 dma_address, 10032a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller size_t size, 10033a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller enum dma_data_direction direction) 10034a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10035a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller /* Nothing to do. */ 10036a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10037a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10038a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic const struct niu_ops niu_phys_ops = { 10039a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .alloc_coherent = niu_phys_alloc_coherent, 10040a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .free_coherent = niu_phys_free_coherent, 10041a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .map_page = niu_phys_map_page, 10042a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .unmap_page = niu_phys_unmap_page, 10043a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .map_single = niu_phys_map_single, 10044a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .unmap_single = niu_phys_unmap_single, 10045a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 10046a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1004774888760d40b3ac9054f9c5fa07b566c0676ba2dGrant Likelystatic int __devinit niu_of_probe(struct platform_device *op) 10048a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10049a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller union niu_parent_id parent_id; 10050a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev; 10051a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np; 10052a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller const u32 *reg; 10053a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err; 10054a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10055a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_driver_version(); 10056a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1005761c7a080a5a061c976988fd4b844dfb468dda255Grant Likely reg = of_get_property(op->dev.of_node, "reg", NULL); 10058a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!reg) { 10059f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&op->dev, "%s: No 'reg' property, aborting\n", 1006061c7a080a5a061c976988fd4b844dfb468dda255Grant Likely op->dev.of_node->full_name); 10061a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return -ENODEV; 10062a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10063a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10064a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev = niu_alloc_and_init(&op->dev, NULL, op, 10065a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller &niu_phys_ops, reg[0] & 0x1); 10066a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!dev) { 10067a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 10068a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out; 10069a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10070a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np = netdev_priv(dev); 10071a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10072a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller memset(&parent_id, 0, sizeof(parent_id)); 1007361c7a080a5a061c976988fd4b844dfb468dda255Grant Likely parent_id.of = of_get_parent(op->dev.of_node); 10074a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10075a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->parent = niu_get_parent(np, &parent_id, 10076a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller PLAT_TYPE_NIU); 10077a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!np->parent) { 10078a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 10079a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_free_dev; 10080a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10081a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 100823cfa856d6d43894ebffdc28d2f0587595280893bDavid S. Miller niu_set_basic_features(dev); 10083a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10084a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->regs = of_ioremap(&op->resource[1], 0, 100856f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[1]), 10086a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller "niu regs"); 10087a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!np->regs) { 10088f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&op->dev, "Cannot map device registers, aborting\n"); 10089a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 10090a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_release_parent; 10091a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10092a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10093a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vir_regs_1 = of_ioremap(&op->resource[2], 0, 100946f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[2]), 10095a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller "niu vregs-1"); 10096a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!np->vir_regs_1) { 10097f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&op->dev, "Cannot map device vir registers 1, aborting\n"); 10098a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 10099a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_iounmap; 10100a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10101a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10102a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vir_regs_2 = of_ioremap(&op->resource[3], 0, 101036f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[3]), 10104a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller "niu vregs-2"); 10105a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!np->vir_regs_2) { 10106f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&op->dev, "Cannot map device vir registers 2, aborting\n"); 10107a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = -ENOMEM; 10108a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_iounmap; 10109a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10110a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10111a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_assign_netdev_ops(dev); 10112a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10113a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = niu_get_invariants(np); 10114a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 10115a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err != -ENODEV) 10116f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&op->dev, "Problem fetching invariants of chip, aborting\n"); 10117a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_iounmap; 10118a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10119a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10120a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = register_netdev(dev); 10121a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) { 10122f10a1f2e7e93a35cb603b63090ff0e70a576a641Joe Perches dev_err(&op->dev, "Cannot register net device, aborting\n"); 10123a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller goto err_out_iounmap; 10124a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10125a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10126a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_set_drvdata(&op->dev, dev); 10127a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10128a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_device_announce(np); 10129a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10130a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 10131a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10132a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out_iounmap: 10133a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->vir_regs_1) { 10134a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller of_iounmap(&op->resource[2], np->vir_regs_1, 101356f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[2])); 10136a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vir_regs_1 = NULL; 10137a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10138a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10139a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->vir_regs_2) { 10140a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller of_iounmap(&op->resource[3], np->vir_regs_2, 101416f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[3])); 10142a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vir_regs_2 = NULL; 10143a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10144a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10145a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->regs) { 10146a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller of_iounmap(&op->resource[1], np->regs, 101476f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[1])); 10148a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->regs = NULL; 10149a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10150a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10151a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out_release_parent: 10152a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_put_parent(np); 10153a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10154a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out_free_dev: 10155a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller free_netdev(dev); 10156a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10157a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millererr_out: 10158a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 10159a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10160a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 101612dc11581376829303b98eadb2de253bee065a56aGrant Likelystatic int __devexit niu_of_remove(struct platform_device *op) 10162a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10163a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct net_device *dev = dev_get_drvdata(&op->dev); 10164a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10165a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (dev) { 10166a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller struct niu *np = netdev_priv(dev); 10167a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10168a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller unregister_netdev(dev); 10169a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10170a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->vir_regs_1) { 10171a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller of_iounmap(&op->resource[2], np->vir_regs_1, 101726f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[2])); 10173a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vir_regs_1 = NULL; 10174a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10175a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10176a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->vir_regs_2) { 10177a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller of_iounmap(&op->resource[3], np->vir_regs_2, 101786f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[3])); 10179a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->vir_regs_2 = NULL; 10180a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10181a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10182a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (np->regs) { 10183a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller of_iounmap(&op->resource[1], np->regs, 101846f0e013548fd15fddb952f657a3cc81282641191Tobias Klauser resource_size(&op->resource[1])); 10185a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller np->regs = NULL; 10186a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10187a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10188a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_ldg_free(np); 10189a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10190a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_put_parent(np); 10191a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10192a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller free_netdev(dev); 10193a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller dev_set_drvdata(&op->dev, NULL); 10194a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10195a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return 0; 10196a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10197a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10198fd098316ef533e8441576f020ead4beab93154ceDavid S. Millerstatic const struct of_device_id niu_match[] = { 10199a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller { 10200a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .name = "network", 10201a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .compatible = "SUNW,niusl", 10202a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller }, 10203a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller {}, 10204a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 10205a3138df9f20e726c517f8df7387b5d83f5df5566David S. MillerMODULE_DEVICE_TABLE(of, niu_match); 10206a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1020774888760d40b3ac9054f9c5fa07b566c0676ba2dGrant Likelystatic struct platform_driver niu_of_driver = { 102084018294b53d1dae026880e45f174c1cc63b5d435Grant Likely .driver = { 102094018294b53d1dae026880e45f174c1cc63b5d435Grant Likely .name = "niu", 102104018294b53d1dae026880e45f174c1cc63b5d435Grant Likely .owner = THIS_MODULE, 102114018294b53d1dae026880e45f174c1cc63b5d435Grant Likely .of_match_table = niu_match, 102124018294b53d1dae026880e45f174c1cc63b5d435Grant Likely }, 10213a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .probe = niu_of_probe, 10214a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller .remove = __devexit_p(niu_of_remove), 10215a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller}; 10216a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10217a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif /* CONFIG_SPARC64 */ 10218a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10219a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic int __init niu_init(void) 10220a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10221a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller int err = 0; 10222a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 1022381429973cfff7745792c877dd083eec29724ec97Olof Johansson BUILD_BUG_ON(PAGE_SIZE < 4 * 1024); 10224a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10225a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT); 10226a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10227a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#ifdef CONFIG_SPARC64 1022874888760d40b3ac9054f9c5fa07b566c0676ba2dGrant Likely err = platform_driver_register(&niu_of_driver); 10229a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 10230a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10231a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (!err) { 10232a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller err = pci_register_driver(&niu_pci_driver); 10233a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#ifdef CONFIG_SPARC64 10234a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller if (err) 1023574888760d40b3ac9054f9c5fa07b566c0676ba2dGrant Likely platform_driver_unregister(&niu_of_driver); 10236a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 10237a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller } 10238a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10239a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller return err; 10240a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10241a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10242a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millerstatic void __exit niu_exit(void) 10243a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller{ 10244a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller pci_unregister_driver(&niu_pci_driver); 10245a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#ifdef CONFIG_SPARC64 1024674888760d40b3ac9054f9c5fa07b566c0676ba2dGrant Likely platform_driver_unregister(&niu_of_driver); 10247a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller#endif 10248a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller} 10249a3138df9f20e726c517f8df7387b5d83f5df5566David S. Miller 10250a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millermodule_init(niu_init); 10251a3138df9f20e726c517f8df7387b5d83f5df5566David S. Millermodule_exit(niu_exit); 10252