ksz884x.c revision 96ed741e15896eea43f7203523db88bc8105c359
18ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 28ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * drivers/net/ksx884x.c - Micrel KSZ8841/2 PCI Ethernet driver 38ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 48ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Copyright (c) 2009-2010 Micrel, Inc. 58ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Tristram Ha <Tristram.Ha@micrel.com> 68ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 78ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This program is free software; you can redistribute it and/or modify 88ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * it under the terms of the GNU General Public License version 2 as 98ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * published by the Free Software Foundation. 108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This program is distributed in the hope that it will be useful, 128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * but WITHOUT ANY WARRANTY; without even the implied warranty of 138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * GNU General Public License for more details. 158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 170dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 180dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches 198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/init.h> 208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/kernel.h> 218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/module.h> 228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/ioport.h> 238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/pci.h> 248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/proc_fs.h> 258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/mii.h> 268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/platform_device.h> 278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/ethtool.h> 288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/etherdevice.h> 298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/in.h> 308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/ip.h> 318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/if_vlan.h> 328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/crc32.h> 338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#include <linux/sched.h> 345a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* DMA Registers */ 388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DMA_TX_CTRL 0x0000 408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_ENABLE 0x00000001 418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_CRC_ENABLE 0x00000002 428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_PAD_ENABLE 0x00000004 438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_LOOPBACK 0x00000100 448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_FLOW_ENABLE 0x00000200 458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_CSUM_IP 0x00010000 468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_CSUM_TCP 0x00020000 478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_CSUM_UDP 0x00040000 488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_TX_BURST_SIZE 0x3F000000 498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DMA_RX_CTRL 0x0004 518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_ENABLE 0x00000001 528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_DMA_RX_MULTICAST 0x00000002 538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_PROMISCUOUS 0x00000004 548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_ERROR 0x00000008 558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_UNICAST 0x00000010 568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_ALL_MULTICAST 0x00000020 578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_BROADCAST 0x00000040 588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_FLOW_ENABLE 0x00000200 598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_CSUM_IP 0x00010000 608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_CSUM_TCP 0x00020000 618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_CSUM_UDP 0x00040000 628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_RX_BURST_SIZE 0x3F000000 638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_BURST_SHIFT 24 658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_BURST_DEFAULT 8 668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DMA_TX_START 0x0008 688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DMA_RX_START 0x000C 698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_START 0x00000001 708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DMA_TX_ADDR 0x0010 728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DMA_RX_ADDR 0x0014 738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_ADDR_LIST_MASK 0xFFFFFFFC 758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_ADDR_LIST_SHIFT 2 768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MTR0 */ 788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_MULTICAST_0_OFFSET 0x0020 798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_MULTICAST_1_OFFSET 0x0021 808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_MULTICAST_2_OFFSET 0x0022 818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884x_MULTICAST_3_OFFSET 0x0023 828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MTR1 */ 838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_MULTICAST_4_OFFSET 0x0024 848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_MULTICAST_5_OFFSET 0x0025 858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_MULTICAST_6_OFFSET 0x0026 868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_MULTICAST_7_OFFSET 0x0027 878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Interrupt Registers */ 898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* INTEN */ 918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INTERRUPTS_ENABLE 0x0028 928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* INTST */ 938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INTERRUPTS_STATUS 0x002C 948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_RX_STOPPED 0x02000000 968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_TX_STOPPED 0x04000000 978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_RX_OVERRUN 0x08000000 988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_TX_EMPTY 0x10000000 998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_RX 0x20000000 1008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_TX 0x40000000 1018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_PHY 0x80000000 1028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_RX_MASK \ 1048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (KS884X_INT_RX | KS884X_INT_RX_OVERRUN) 1058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_TX_MASK \ 1068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (KS884X_INT_TX | KS884X_INT_TX_EMPTY) 1078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_INT_MASK (KS884X_INT_RX | KS884X_INT_TX | KS884X_INT_PHY) 1088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAC Additional Station Address */ 1108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL0 */ 1128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_0_LO 0x0080 1138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH0 */ 1148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_0_HI 0x0084 1158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL1 */ 1168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_1_LO 0x0088 1178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH1 */ 1188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_1_HI 0x008C 1198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL2 */ 1208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_2_LO 0x0090 1218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH2 */ 1228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_2_HI 0x0094 1238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL3 */ 1248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_3_LO 0x0098 1258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH3 */ 1268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_3_HI 0x009C 1278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL4 */ 1288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_4_LO 0x00A0 1298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH4 */ 1308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_4_HI 0x00A4 1318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL5 */ 1328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_5_LO 0x00A8 1338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH5 */ 1348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_5_HI 0x00AC 1358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL6 */ 1368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_6_LO 0x00B0 1378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH6 */ 1388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_6_HI 0x00B4 1398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL7 */ 1408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_7_LO 0x00B8 1418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH7 */ 1428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_7_HI 0x00BC 1438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL8 */ 1448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_8_LO 0x00C0 1458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH8 */ 1468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_8_HI 0x00C4 1478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL9 */ 1488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_9_LO 0x00C8 1498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH9 */ 1508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_9_HI 0x00CC 1518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL10 */ 1528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_A_LO 0x00D0 1538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH10 */ 1548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_A_HI 0x00D4 1558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL11 */ 1568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_B_LO 0x00D8 1578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH11 */ 1588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_B_HI 0x00DC 1598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL12 */ 1608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_C_LO 0x00E0 1618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH12 */ 1628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_C_HI 0x00E4 1638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL13 */ 1648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_D_LO 0x00E8 1658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH13 */ 1668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_D_HI 0x00EC 1678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL14 */ 1688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_E_LO 0x00F0 1698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH14 */ 1708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_E_HI 0x00F4 1718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAL15 */ 1728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_F_LO 0x00F8 1738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MAAH15 */ 1748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_ADD_ADDR_F_HI 0x00FC 1758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define ADD_ADDR_HI_MASK 0x0000FFFF 1778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define ADD_ADDR_ENABLE 0x80000000 1788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define ADD_ADDR_INCR 8 1798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Miscellaneous Registers */ 1818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MARL */ 1838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ADDR_0_OFFSET 0x0200 1848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ADDR_1_OFFSET 0x0201 1858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MARM */ 1868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ADDR_2_OFFSET 0x0202 1878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ADDR_3_OFFSET 0x0203 1888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MARH */ 1898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ADDR_4_OFFSET 0x0204 1908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ADDR_5_OFFSET 0x0205 1918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* OBCR */ 1938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_BUS_CTRL_OFFSET 0x0210 1948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BUS_SPEED_125_MHZ 0x0000 1968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BUS_SPEED_62_5_MHZ 0x0001 1978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BUS_SPEED_41_66_MHZ 0x0002 1988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BUS_SPEED_25_MHZ 0x0003 1998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* EEPCR */ 2018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_EEPROM_CTRL_OFFSET 0x0212 2028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_CHIP_SELECT 0x0001 2048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_SERIAL_CLOCK 0x0002 2058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_OUT 0x0004 2068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_IN 0x0008 2078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_ACCESS_ENABLE 0x0010 2088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MBIR */ 2108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_MEM_INFO_OFFSET 0x0214 2118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define RX_MEM_TEST_FAILED 0x0008 2138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define RX_MEM_TEST_FINISHED 0x0010 2148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define TX_MEM_TEST_FAILED 0x0800 2158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define TX_MEM_TEST_FINISHED 0x1000 2168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* GCR */ 2188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_GLOBAL_CTRL_OFFSET 0x0216 2198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define GLOBAL_SOFTWARE_RESET 0x0001 2208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_POWER_MANAGE_OFFSET 0x0218 2228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* WFCR */ 2248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_CTRL_OFFSET 0x021A 2258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_MAGIC_ENABLE 0x0080 2268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_FRAME3_ENABLE 0x0008 2278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_FRAME2_ENABLE 0x0004 2288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_FRAME1_ENABLE 0x0002 2298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_FRAME0_ENABLE 0x0001 2308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* WF0 */ 2328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_FRAME_CRC_OFFSET 0x0220 2338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_FRAME_BYTE0_OFFSET 0x0224 2348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8841_WOL_FRAME_BYTE2_OFFSET 0x0228 2358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* IACR */ 2378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_IACR_P 0x04A0 2388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_IACR_OFFSET KS884X_IACR_P 2398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* IADR1 */ 2418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_IADR1_P 0x04A2 2428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_IADR2_P 0x04A4 2438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_IADR3_P 0x04A6 2448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_IADR4_P 0x04A8 2458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_IADR5_P 0x04AA 2468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_CTRL_SEL_OFFSET KS884X_IACR_P 2488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_CTRL_INDEX_OFFSET (KS884X_ACC_CTRL_SEL_OFFSET + 1) 2498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_0_OFFSET KS884X_IADR4_P 2518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_1_OFFSET (KS884X_ACC_DATA_0_OFFSET + 1) 2528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_2_OFFSET KS884X_IADR5_P 2538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_3_OFFSET (KS884X_ACC_DATA_2_OFFSET + 1) 2548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_4_OFFSET KS884X_IADR2_P 2558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_5_OFFSET (KS884X_ACC_DATA_4_OFFSET + 1) 2568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_6_OFFSET KS884X_IADR3_P 2578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_7_OFFSET (KS884X_ACC_DATA_6_OFFSET + 1) 2588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_ACC_DATA_8_OFFSET KS884X_IADR1_P 2598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* P1MBCR */ 2618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1MBCR_P 0x04D0 2628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1MBSR_P 0x04D2 2638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY1ILR_P 0x04D4 2648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY1IHR_P 0x04D6 2658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1ANAR_P 0x04D8 2668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1ANLPR_P 0x04DA 2678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* P2MBCR */ 2698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2MBCR_P 0x04E0 2708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2MBSR_P 0x04E2 2718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY2ILR_P 0x04E4 2728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY2IHR_P 0x04E6 2738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2ANAR_P 0x04E8 2748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2ANLPR_P 0x04EA 2758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_1_CTRL_OFFSET KS884X_P1MBCR_P 2778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_CTRL_INTERVAL (KS884X_P2MBCR_P - KS884X_P1MBCR_P) 2788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_CTRL_OFFSET 0x00 2808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Mode Control Register */ 2828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REG_CTRL 0 2838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_RESET 0x8000 2858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_LOOPBACK 0x4000 2868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_SPEED_100MBIT 0x2000 2878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_ENABLE 0x1000 2888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_POWER_DOWN 0x0800 2898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_MII_DISABLE 0x0400 2908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_RESTART 0x0200 2918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_FULL_DUPLEX 0x0100 2928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_COLLISION_TEST 0x0080 2938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_HP_MDIX 0x0020 2948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_FORCE_MDIX 0x0010 2958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_MDIX_DISABLE 0x0008 2968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_FAULT_DISABLE 0x0004 2978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_TRANSMIT_DISABLE 0x0002 2988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_LED_DISABLE 0x0001 2998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_STATUS_OFFSET 0x02 3018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Mode Status Register */ 3038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REG_STATUS 1 3048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_100BT4_CAPABLE 0x8000 3068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_100BTX_FD_CAPABLE 0x4000 3078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_100BTX_CAPABLE 0x2000 3088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_10BT_FD_CAPABLE 0x1000 3098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_10BT_CAPABLE 0x0800 3108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_MII_SUPPRESS_CAPABLE 0x0040 3118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_ACKNOWLEDGE 0x0020 3128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_FAULT 0x0010 3138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_CAPABLE 0x0008 3148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_LINK_STATUS 0x0004 3158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_JABBER_DETECT 0x0002 3168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_EXTENDED_CAPABILITY 0x0001 3178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_ID_1_OFFSET 0x04 3198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_ID_2_OFFSET 0x06 3208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* PHY Identifier Registers */ 3228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REG_ID_1 2 3238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REG_ID_2 3 3248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_AUTO_NEG_OFFSET 0x08 3268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Auto-Negotiation Advertisement Register */ 3288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REG_AUTO_NEGOTIATION 4 3298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_NEXT_PAGE 0x8000 3318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_REMOTE_FAULT 0x2000 3328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Not supported. */ 3338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_ASYM_PAUSE 0x0800 3348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_SYM_PAUSE 0x0400 3358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_100BT4 0x0200 3368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_100BTX_FD 0x0100 3378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_100BTX 0x0080 3388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_10BT_FD 0x0040 3398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_10BT 0x0020 3408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_SELECTOR 0x001F 3418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_802_3 0x0001 3428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_AUTO_NEG_PAUSE (PHY_AUTO_NEG_SYM_PAUSE | PHY_AUTO_NEG_ASYM_PAUSE) 3448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_REMOTE_CAP_OFFSET 0x0A 3468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Auto-Negotiation Link Partner Ability Register */ 3488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REG_REMOTE_CAPABILITY 5 3498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_NEXT_PAGE 0x8000 3518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_ACKNOWLEDGE 0x4000 3528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_REMOTE_FAULT 0x2000 3538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_SYM_PAUSE 0x0400 3548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_100BTX_FD 0x0100 3558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_100BTX 0x0080 3568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_10BT_FD 0x0040 3578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_10BT 0x0020 3588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* P1VCT */ 3608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1VCT_P 0x04F0 3618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1PHYCTRL_P 0x04F2 3628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* P2VCT */ 3648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2VCT_P 0x04F4 3658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2PHYCTRL_P 0x04F6 3668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_SPECIAL_OFFSET KS884X_P1VCT_P 3688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_SPECIAL_INTERVAL (KS884X_P2VCT_P - KS884X_P1VCT_P) 3698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_LINK_MD_OFFSET 0x00 3718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_START_CABLE_DIAG 0x8000 3738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_CABLE_DIAG_RESULT 0x6000 3748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_CABLE_STAT_NORMAL 0x0000 3758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_CABLE_STAT_OPEN 0x2000 3768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_CABLE_STAT_SHORT 0x4000 3778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_CABLE_STAT_FAILED 0x6000 3788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_CABLE_10M_SHORT 0x1000 3798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_CABLE_FAULT_COUNTER 0x01FF 3808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PHY_PHY_CTRL_OFFSET 0x02 3828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_STAT_REVERSED_POLARITY 0x0020 3848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_STAT_MDIX 0x0010 3858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_FORCE_LINK 0x0008 3868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_POWER_SAVING_DISABLE 0x0004 3878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_REMOTE_LOOPBACK 0x0002 3888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* SIDER */ 3908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_SIDER_P 0x0400 3918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_CHIP_ID_OFFSET KS884X_SIDER_P 3928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_FAMILY_ID_OFFSET (KS884X_CHIP_ID_OFFSET + 1) 3938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define REG_FAMILY_ID 0x88 3958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define REG_CHIP_ID_41 0x8810 3978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define REG_CHIP_ID_42 0x8800 3988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 3998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_CHIP_ID_MASK_41 0xFF10 4008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_CHIP_ID_MASK 0xFFF0 4018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_CHIP_ID_SHIFT 4 4028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_REVISION_MASK 0x000E 4038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_REVISION_SHIFT 1 4048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_START 0x0001 4058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define CHIP_IP_41_M 0x8810 4078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define CHIP_IP_42_M 0x8800 4088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define CHIP_IP_61_M 0x8890 4098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define CHIP_IP_62_M 0x8880 4108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define CHIP_IP_41_P 0x8850 4128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define CHIP_IP_42_P 0x8840 4138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define CHIP_IP_61_P 0x88D0 4148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define CHIP_IP_62_P 0x88C0 4158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* SGCR1 */ 4178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SGCR1_P 0x0402 4188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SWITCH_CTRL_1_OFFSET KS8842_SGCR1_P 4198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_PASS_ALL 0x8000 4218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_TX_FLOW_CTRL 0x2000 4228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_RX_FLOW_CTRL 0x1000 4238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_CHECK_LENGTH 0x0800 4248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_AGING_ENABLE 0x0400 4258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_FAST_AGING 0x0200 4268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_AGGR_BACKOFF 0x0100 4278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_PASS_PAUSE 0x0008 4288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_LINK_AUTO_AGING 0x0001 4298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* SGCR2 */ 4318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SGCR2_P 0x0404 4328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SWITCH_CTRL_2_OFFSET KS8842_SGCR2_P 4338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_VLAN_ENABLE 0x8000 4358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_IGMP_SNOOP 0x4000 4368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define IPV6_MLD_SNOOP_ENABLE 0x2000 4378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define IPV6_MLD_SNOOP_OPTION 0x1000 4388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PRIORITY_SCHEME_SELECT 0x0800 4398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_MIRROR_RX_TX 0x0100 4408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define UNICAST_VLAN_BOUNDARY 0x0080 4418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MULTICAST_STORM_DISABLE 0x0040 4428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_BACK_PRESSURE 0x0020 4438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define FAIR_FLOW_CTRL 0x0010 4448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define NO_EXC_COLLISION_DROP 0x0008 4458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_HUGE_PACKET 0x0004 4468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_LEGAL_PACKET 0x0002 4478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_BUF_RESERVE 0x0001 4488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* SGCR3 */ 4508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SGCR3_P 0x0406 4518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SWITCH_CTRL_3_OFFSET KS8842_SGCR3_P 4528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BROADCAST_STORM_RATE_LO 0xFF00 4548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_REPEATER 0x0080 4558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_HALF_DUPLEX 0x0040 4568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_FLOW_CTRL 0x0020 4578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_10_MBIT 0x0010 4588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_REPLACE_NULL_VID 0x0008 4598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BROADCAST_STORM_RATE_HI 0x0007 4608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BROADCAST_STORM_RATE 0x07FF 4628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* SGCR4 */ 4648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SGCR4_P 0x0408 4658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* SGCR5 */ 4678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SGCR5_P 0x040A 4688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SWITCH_CTRL_5_OFFSET KS8842_SGCR5_P 4698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define LED_MODE 0x8200 4718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define LED_SPEED_DUPLEX_ACT 0x0000 4728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define LED_SPEED_DUPLEX_LINK_ACT 0x8000 4738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define LED_DUPLEX_10_100 0x0200 4748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* SGCR6 */ 4768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SGCR6_P 0x0410 4778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SWITCH_CTRL_6_OFFSET KS8842_SGCR6_P 4788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PRIORITY_MASK 3 4808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PRIORITY_SHIFT 2 4818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* SGCR7 */ 4838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SGCR7_P 0x0412 4848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_SWITCH_CTRL_7_OFFSET KS8842_SGCR7_P 4858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_UNK_DEF_PORT_ENABLE 0x0008 4878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_UNK_DEF_PORT_3 0x0004 4888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_UNK_DEF_PORT_2 0x0002 4898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_UNK_DEF_PORT_1 0x0001 4908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* MACAR1 */ 4928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MACAR1_P 0x0470 4938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MACAR2_P 0x0472 4948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MACAR3_P 0x0474 4958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MAC_ADDR_1_OFFSET KS8842_MACAR1_P 4968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MAC_ADDR_0_OFFSET (KS8842_MAC_ADDR_1_OFFSET + 1) 4978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MAC_ADDR_3_OFFSET KS8842_MACAR2_P 4988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MAC_ADDR_2_OFFSET (KS8842_MAC_ADDR_3_OFFSET + 1) 4998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MAC_ADDR_5_OFFSET KS8842_MACAR3_P 5008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_MAC_ADDR_4_OFFSET (KS8842_MAC_ADDR_5_OFFSET + 1) 5018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* TOSR1 */ 5038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOSR1_P 0x0480 5048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOSR2_P 0x0482 5058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOSR3_P 0x0484 5068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOSR4_P 0x0486 5078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOSR5_P 0x0488 5088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOSR6_P 0x048A 5098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOSR7_P 0x0490 5108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOSR8_P 0x0492 5118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOS_1_OFFSET KS8842_TOSR1_P 5128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOS_2_OFFSET KS8842_TOSR2_P 5138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOS_3_OFFSET KS8842_TOSR3_P 5148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOS_4_OFFSET KS8842_TOSR4_P 5158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOS_5_OFFSET KS8842_TOSR5_P 5168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOS_6_OFFSET KS8842_TOSR6_P 5178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOS_7_OFFSET KS8842_TOSR7_P 5198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_TOS_8_OFFSET KS8842_TOSR8_P 5208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* P1CR1 */ 5228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P1CR1_P 0x0500 5238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P1CR2_P 0x0502 5248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P1VIDR_P 0x0504 5258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P1CR3_P 0x0506 5268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P1IRCR_P 0x0508 5278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P1ERCR_P 0x050A 5288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1SCSLMD_P 0x0510 5298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1CR4_P 0x0512 5308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P1SR_P 0x0514 5318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* P2CR1 */ 5338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P2CR1_P 0x0520 5348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P2CR2_P 0x0522 5358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P2VIDR_P 0x0524 5368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P2CR3_P 0x0526 5378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P2IRCR_P 0x0528 5388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P2ERCR_P 0x052A 5398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2SCSLMD_P 0x0530 5408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2CR4_P 0x0532 5418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_P2SR_P 0x0534 5428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* P3CR1 */ 5448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P3CR1_P 0x0540 5458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P3CR2_P 0x0542 5468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P3VIDR_P 0x0544 5478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P3CR3_P 0x0546 5488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P3IRCR_P 0x0548 5498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_P3ERCR_P 0x054A 5508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_1_CTRL_1 KS8842_P1CR1_P 5528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_2_CTRL_1 KS8842_P2CR1_P 5538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_3_CTRL_1 KS8842_P3CR1_P 5548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_CTRL_ADDR(port, addr) \ 5568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (addr = KS8842_PORT_1_CTRL_1 + (port) * \ 5578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (KS8842_PORT_2_CTRL_1 - KS8842_PORT_1_CTRL_1)) 5588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_CTRL_1_OFFSET 0x00 5608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BROADCAST_STORM 0x0080 5628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_DIFFSERV_ENABLE 0x0040 5638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_802_1P_ENABLE 0x0020 5648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BASED_PRIORITY_MASK 0x0018 5658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BASED_PRIORITY_BASE 0x0003 5668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BASED_PRIORITY_SHIFT 3 5678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BASED_PRIORITY_0 0x0000 5688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BASED_PRIORITY_1 0x0008 5698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BASED_PRIORITY_2 0x0010 5708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BASED_PRIORITY_3 0x0018 5718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_INSERT_TAG 0x0004 5728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REMOVE_TAG 0x0002 5738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_PRIO_QUEUE_ENABLE 0x0001 5748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_CTRL_2_OFFSET 0x02 5768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_INGRESS_VLAN_FILTER 0x4000 5788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_DISCARD_NON_VID 0x2000 5798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_FORCE_FLOW_CTRL 0x1000 5808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_BACK_PRESSURE 0x0800 5818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_TX_ENABLE 0x0400 5828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_RX_ENABLE 0x0200 5838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_LEARN_DISABLE 0x0100 5848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_MIRROR_SNIFFER 0x0080 5858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_MIRROR_RX 0x0040 5868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_MIRROR_TX 0x0020 5878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_USER_PRIORITY_CEILING 0x0008 5888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_VLAN_MEMBERSHIP 0x0007 5898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_CTRL_VID_OFFSET 0x04 5918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_DEFAULT_VID 0x0001 5938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_CTRL_3_OFFSET 0x06 5958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_INGRESS_LIMIT_MODE 0x000C 5978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_INGRESS_ALL 0x0000 5988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_INGRESS_UNICAST 0x0004 5998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_INGRESS_MULTICAST 0x0008 6008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_INGRESS_BROADCAST 0x000C 6018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_COUNT_IFG 0x0002 6028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_COUNT_PREAMBLE 0x0001 6038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_IN_RATE_OFFSET 0x08 6058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS8842_PORT_OUT_RATE_OFFSET 0x0A 6068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_PRIORITY_RATE 0x0F 6088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_PRIORITY_RATE_SHIFT 4 6098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PORT_LINK_MD 0x10 6118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_CABLE_10M_SHORT 0x8000 6138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_CABLE_DIAG_RESULT 0x6000 6148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_CABLE_STAT_NORMAL 0x0000 6158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_CABLE_STAT_OPEN 0x2000 6168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_CABLE_STAT_SHORT 0x4000 6178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_CABLE_STAT_FAILED 0x6000 6188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_START_CABLE_DIAG 0x1000 6198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_FORCE_LINK 0x0800 6208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_POWER_SAVING_DISABLE 0x0400 6218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_PHY_REMOTE_LOOPBACK 0x0200 6228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_CABLE_FAULT_COUNTER 0x01FF 6238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PORT_CTRL_4_OFFSET 0x12 6258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_LED_OFF 0x8000 6278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_TX_DISABLE 0x4000 6288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_NEG_RESTART 0x2000 6298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REMOTE_FAULT_DISABLE 0x1000 6308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_POWER_DOWN 0x0800 6318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_MDIX_DISABLE 0x0400 6328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_FORCE_MDIX 0x0200 6338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_LOOPBACK 0x0100 6348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_NEG_ENABLE 0x0080 6358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_FORCE_100_MBIT 0x0040 6368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_FORCE_FULL_DUPLEX 0x0020 6378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_NEG_SYM_PAUSE 0x0010 6388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_NEG_100BTX_FD 0x0008 6398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_NEG_100BTX 0x0004 6408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_NEG_10BT_FD 0x0002 6418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_NEG_10BT 0x0001 6428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_PORT_STATUS_OFFSET 0x14 6448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_HP_MDIX 0x8000 6468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REVERSED_POLARITY 0x2000 6478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_RX_FLOW_CTRL 0x0800 6488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_TX_FLOW_CTRL 0x1000 6498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_STATUS_SPEED_100MBIT 0x0400 6508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_STATUS_FULL_DUPLEX 0x0200 6518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REMOTE_FAULT 0x0100 6528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_MDIX_STATUS 0x0080 6538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_AUTO_NEG_COMPLETE 0x0040 6548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_STATUS_LINK_GOOD 0x0020 6558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REMOTE_SYM_PAUSE 0x0010 6568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REMOTE_100BTX_FD 0x0008 6578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REMOTE_100BTX 0x0004 6588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REMOTE_10BT_FD 0x0002 6598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_REMOTE_10BT 0x0001 6608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 6628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_ADDR 00-0000FFFF-FFFFFFFF 6638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_FWD_PORTS 00-00070000-00000000 6648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_VALID 00-00080000-00000000 6658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_OVERRIDE 00-00100000-00000000 6668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_USE_FID 00-00200000-00000000 6678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_FID 00-03C00000-00000000 6688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha*/ 6698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_ADDR 0x0000FFFF 6718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_FWD_PORTS 0x00070000 6728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_VALID 0x00080000 6738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_OVERRIDE 0x00100000 6748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_USE_FID 0x00200000 6758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_FID 0x03C00000 6768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_FWD_PORTS_SHIFT 16 6788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_FID_SHIFT 22 6798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 6818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_VID 00-00000000-00000FFF 6828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_FID 00-00000000-0000F000 6838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_MEMBERSHIP 00-00000000-00070000 6848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_VALID 00-00000000-00080000 6858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha*/ 6868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_VID 0x00000FFF 6888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_FID 0x0000F000 6898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_MEMBERSHIP 0x00070000 6908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_VALID 0x00080000 6918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_FID_SHIFT 12 6938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_MEMBERSHIP_SHIFT 16 6948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 6958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 6968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_ADDR 00-0000FFFF-FFFFFFFF 6978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_FID 00-000F0000-00000000 6988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_SRC_PORT 00-00300000-00000000 6998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_TIMESTAMP 00-00C00000-00000000 7008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_ENTRIES 03-FF000000-00000000 7018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_MAC_EMPTY 04-00000000-00000000 7028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_RESERVED 78-00000000-00000000 7038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_NOT_READY 80-00000000-00000000 7048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha*/ 7058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_ADDR 0x0000FFFF 7078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_FID 0x000F0000 7088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_SRC_PORT 0x00300000 7098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_TIMESTAMP 0x00C00000 7108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_ENTRIES 0xFF000000 7118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_ENTRIES_H 0x03 7138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_MAC_EMPTY 0x04 7148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_RESERVED 0x78 7158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TABLE_NOT_READY 0x80 7168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_FID_SHIFT 16 7188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_SRC_PORT_SHIFT 20 7198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_TIMESTAMP_SHIFT 22 7208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_ENTRIES_SHIFT 24 7218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DYNAMIC_MAC_ENTRIES_H_SHIFT 8 7228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 7248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_VALUE 00-00000000-3FFFFFFF 7258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_VALID 00-00000000-40000000 7268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_OVERFLOW 00-00000000-80000000 7278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha*/ 7288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_VALUE 0x3FFFFFFF 7308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_VALID 0x40000000 7318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_OVERFLOW 0x80000000 7328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_PACKET_DROPPED 0x0000FFFF 7348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_MIB_PACKET_DROPPED_TX_0 0x100 7368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_MIB_PACKET_DROPPED_TX_1 0x101 7378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_MIB_PACKET_DROPPED_TX 0x102 7388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_MIB_PACKET_DROPPED_RX_0 0x103 7398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_MIB_PACKET_DROPPED_RX_1 0x104 7408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_MIB_PACKET_DROPPED_RX 0x105 7418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Change default LED mode. */ 7438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SET_DEFAULT_LED LED_SPEED_DUPLEX_ACT 7448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MAC_ADDR_LEN 6 7468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MAC_ADDR_ORDER(i) (MAC_ADDR_LEN - 1 - (i)) 7478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MAX_ETHERNET_BODY_SIZE 1500 7498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define ETHERNET_HEADER_SIZE 14 7508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MAX_ETHERNET_PACKET_SIZE \ 7528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (MAX_ETHERNET_BODY_SIZE + ETHERNET_HEADER_SIZE) 7538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define REGULAR_RX_BUF_SIZE (MAX_ETHERNET_PACKET_SIZE + 4) 7558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MAX_RX_BUF_SIZE (1912 + 4) 7568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define ADDITIONAL_ENTRIES 16 7588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MAX_MULTICAST_LIST 32 7598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define HW_MULTICAST_SIZE 8 7618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define HW_TO_DEV_PORT(port) (port - 1) 7638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Haenum { 7658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha media_connected, 7668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha media_disconnected 7678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 7688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Haenum { 7708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha OID_COUNTER_UNKOWN, 7718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha OID_COUNTER_FIRST, 7738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* total transmit errors */ 7758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha OID_COUNTER_XMIT_ERROR, 7768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* total receive errors */ 7788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha OID_COUNTER_RCV_ERROR, 7798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha OID_COUNTER_LAST 7818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 7828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 7848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Hardware descriptor definitions 7858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 7868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DESC_ALIGNMENT 16 7888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BUFFER_ALIGNMENT 8 7898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define NUM_OF_RX_DESC 64 7918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define NUM_OF_TX_DESC 64 7928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 7938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_FRAME_LEN 0x000007FF 7948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_FRAME_TYPE 0x00008000 7958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR_CRC 0x00010000 7968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR_RUNT 0x00020000 7978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR_TOO_LONG 0x00040000 7988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR_PHY 0x00080000 7998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_DESC_RX_PORT_MASK 0x00300000 8008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_MULTICAST 0x01000000 8018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR 0x02000000 8028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR_CSUM_UDP 0x04000000 8038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR_CSUM_TCP 0x08000000 8048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR_CSUM_IP 0x10000000 8058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_LAST 0x20000000 8068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_FIRST 0x40000000 8078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_ERROR_COND \ 8088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (KS_DESC_RX_ERROR_CRC | \ 8098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_RX_ERROR_RUNT | \ 8108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_RX_ERROR_PHY | \ 8118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_RX_ERROR_TOO_LONG) 8128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 8138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_HW_OWNED 0x80000000 8148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 8158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_BUF_SIZE 0x000007FF 8168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_DESC_TX_PORT_MASK 0x00300000 8178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_END_OF_RING 0x02000000 8188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_TX_CSUM_GEN_UDP 0x04000000 8198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_TX_CSUM_GEN_TCP 0x08000000 8208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_TX_CSUM_GEN_IP 0x10000000 8218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_TX_LAST 0x20000000 8228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_TX_FIRST 0x40000000 8238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_TX_INTERRUPT 0x80000000 8248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 8258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_PORT_SHIFT 20 8268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 8278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_RX_MASK (KS_DESC_BUF_SIZE) 8288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 8298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS_DESC_TX_MASK \ 8308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (KS_DESC_TX_INTERRUPT | \ 8318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_TX_FIRST | \ 8328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_TX_LAST | \ 8338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_TX_CSUM_GEN_IP | \ 8348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_TX_CSUM_GEN_TCP | \ 8358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_TX_CSUM_GEN_UDP | \ 8368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_BUF_SIZE) 8378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 8388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_desc_rx_stat { 8398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifdef __BIG_ENDIAN_BITFIELD 8408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 hw_owned:1; 8418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 first_desc:1; 8428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 last_desc:1; 8438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_err_ip:1; 8448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_err_tcp:1; 8458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_err_udp:1; 8468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 error:1; 8478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 multicast:1; 8488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 src_port:4; 8498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 err_phy:1; 8508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 err_too_long:1; 8518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 err_runt:1; 8528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 err_crc:1; 8538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 frame_type:1; 8548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved1:4; 8558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 frame_len:11; 8568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#else 8578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 frame_len:11; 8588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved1:4; 8598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 frame_type:1; 8608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 err_crc:1; 8618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 err_runt:1; 8628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 err_too_long:1; 8638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 err_phy:1; 8648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 src_port:4; 8658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 multicast:1; 8668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 error:1; 8678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_err_udp:1; 8688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_err_tcp:1; 8698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_err_ip:1; 8708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 last_desc:1; 8718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 first_desc:1; 8728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 hw_owned:1; 8738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 8748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 8758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 8768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_desc_tx_stat { 8778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifdef __BIG_ENDIAN_BITFIELD 8788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 hw_owned:1; 8798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved1:31; 8808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#else 8818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved1:31; 8828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 hw_owned:1; 8838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 8848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 8858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 8868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_desc_rx_buf { 8878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifdef __BIG_ENDIAN_BITFIELD 8888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved4:6; 8898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 end_of_ring:1; 8908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved3:14; 8918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 buf_size:11; 8928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#else 8938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 buf_size:11; 8948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved3:14; 8958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 end_of_ring:1; 8968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved4:6; 8978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 8988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 8998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_desc_tx_buf { 9018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifdef __BIG_ENDIAN_BITFIELD 9028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 intr:1; 9038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 first_seg:1; 9048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 last_seg:1; 9058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_gen_ip:1; 9068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_gen_tcp:1; 9078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_gen_udp:1; 9088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 end_of_ring:1; 9098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved4:1; 9108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 dest_port:4; 9118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved3:9; 9128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 buf_size:11; 9138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#else 9148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 buf_size:11; 9158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved3:9; 9168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 dest_port:4; 9178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 reserved4:1; 9188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 end_of_ring:1; 9198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_gen_udp:1; 9208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_gen_tcp:1; 9218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 csum_gen_ip:1; 9228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 last_seg:1; 9238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 first_seg:1; 9248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 intr:1; 9258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 9268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 9278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Haunion desc_stat { 9298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_rx_stat rx; 9308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_tx_stat tx; 9318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data; 9328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 9338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Haunion desc_buf { 9358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_rx_buf rx; 9368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_tx_buf tx; 9378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data; 9388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 9398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 9418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_hw_desc - Hardware descriptor data structure 9428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ctrl: Descriptor control value. 9438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @buf: Descriptor buffer value. 9448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: Physical address of memory buffer. 9458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @next: Pointer to next hardware descriptor. 9468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 9478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_hw_desc { 9488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha union desc_stat ctrl; 9498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha union desc_buf buf; 9508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 9518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 next; 9528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 9538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 9558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_sw_desc - Software descriptor data structure 9568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ctrl: Descriptor control value. 9578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @buf: Descriptor buffer value. 9588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @buf_size: Current buffers size value in hardware descriptor. 9598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 9608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_sw_desc { 9618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha union desc_stat ctrl; 9628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha union desc_buf buf; 9638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 buf_size; 9648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 9658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 9678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_dma_buf - OS dependent DMA buffer data structure 9688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @skb: Associated socket buffer. 9698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dma: Associated physical DMA address. 9708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * len: Actual len used. 9718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 9728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_dma_buf { 9738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct sk_buff *skb; 9748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_addr_t dma; 9758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int len; 9768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 9778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 9798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_desc - Descriptor structure 9808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @phw: Hardware descriptor pointer to uncached physical memory. 9818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @sw: Cached memory to hold hardware descriptor values for 9828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * manipulation. 9838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dma_buf: Operating system dependent data structure to hold physical 9848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * memory buffer allocation information. 9858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 9868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_desc { 9878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw_desc *phw; 9888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_sw_desc sw; 9898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_dma_buf dma_buf; 9908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 9918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DMA_BUFFER(desc) ((struct ksz_dma_buf *)(&(desc)->dma_buf)) 9938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 9948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 9958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_desc_info - Descriptor information data structure 9968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ring: First descriptor in the ring. 9978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @cur: Current descriptor being manipulated. 9988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ring_virt: First hardware descriptor in the ring. 9998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ring_phys: The physical address of the first descriptor of the ring. 10008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @size: Size of hardware descriptor. 10018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @alloc: Number of descriptors allocated. 10028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @avail: Number of descriptors available for use. 10038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @last: Index for last descriptor released to hardware. 10048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @next: Index for next descriptor available for use. 10058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mask: Mask for index wrapping. 10068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 10078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_desc_info { 10088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *ring; 10098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *cur; 10108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw_desc *ring_virt; 10118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 ring_phys; 10128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int size; 10138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int alloc; 10148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int avail; 10158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int last; 10168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int next; 10178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int mask; 10188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 10198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 10218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * KSZ8842 switch definitions 10228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 10238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Haenum { 10258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha TABLE_STATIC_MAC = 0, 10268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha TABLE_VLAN, 10278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha TABLE_DYNAMIC_MAC, 10288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha TABLE_MIB 10298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 10308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define LEARNED_MAC_TABLE_ENTRIES 1024 10328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATIC_MAC_TABLE_ENTRIES 8 10338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 10358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_mac_table - Static MAC table data structure 10368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mac_addr: MAC address to filter. 10378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @vid: VID value. 10388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @fid: FID value. 10398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ports: Port membership. 10408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @override: Override setting. 10418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @use_fid: FID use setting. 10428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @valid: Valid setting indicating the entry is being used. 10438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 10448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_mac_table { 10458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 mac_addr[MAC_ADDR_LEN]; 10468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 vid; 10478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 fid; 10488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 ports; 10498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 override:1; 10508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 use_fid:1; 10518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 valid:1; 10528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 10538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define VLAN_TABLE_ENTRIES 16 10558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 10578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_vlan_table - VLAN table data structure 10588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @vid: VID value. 10598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @fid: FID value. 10608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @member: Port membership. 10618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 10628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_vlan_table { 10638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 vid; 10648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 fid; 10658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 member; 10668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 10678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DIFFSERV_ENTRIES 64 10698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PRIO_802_1P_ENTRIES 8 10708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PRIO_QUEUES 4 10718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SWITCH_PORT_NUM 2 10738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define TOTAL_PORT_NUM (SWITCH_PORT_NUM + 1) 10748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define HOST_MASK (1 << SWITCH_PORT_NUM) 10758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_MASK 7 10768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MAIN_PORT 0 10788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define OTHER_PORT 1 10798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define HOST_PORT SWITCH_PORT_NUM 10808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PORT_COUNTER_NUM 0x20 10828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define TOTAL_PORT_COUNTER_NUM (PORT_COUNTER_NUM + 2) 10838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 10848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_LO_PRIORITY 0x00 10858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_HI_PRIORITY 0x01 10868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_UNDERSIZE 0x02 10878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_FRAGMENT 0x03 10888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_OVERSIZE 0x04 10898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_JABBER 0x05 10908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_SYMBOL_ERR 0x06 10918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_CRC_ERR 0x07 10928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_ALIGNMENT_ERR 0x08 10938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_CTRL_8808 0x09 10948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_PAUSE 0x0A 10958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_BROADCAST 0x0B 10968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_MULTICAST 0x0C 10978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_UNICAST 0x0D 10988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_OCTET_64 0x0E 10998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_OCTET_65_127 0x0F 11008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_OCTET_128_255 0x10 11018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_OCTET_256_511 0x11 11028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_OCTET_512_1023 0x12 11038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_OCTET_1024_1522 0x13 11048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_LO_PRIORITY 0x14 11058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_HI_PRIORITY 0x15 11068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_LATE_COLLISION 0x16 11078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_PAUSE 0x17 11088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_BROADCAST 0x18 11098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_MULTICAST 0x19 11108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_UNICAST 0x1A 11118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_DEFERRED 0x1B 11128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_TOTAL_COLLISION 0x1C 11138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_EXCESS_COLLISION 0x1D 11148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_SINGLE_COLLISION 0x1E 11158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_MULTI_COLLISION 0x1F 11168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_RX_DROPPED_PACKET 0x20 11188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIB_COUNTER_TX_DROPPED_PACKET 0x21 11198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 11218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_port_mib - Port MIB data structure 11228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @cnt_ptr: Current pointer to MIB counter index. 11238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @link_down: Indication the link has just gone down. 11248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @state: Connection status of the port. 11258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mib_start: The starting counter index. Some ports do not start at 0. 11268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @counter: 64-bit MIB counter value. 11278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dropped: Temporary buffer to remember last read packet dropped values. 11288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 11298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * MIB counters needs to be read periodically so that counters do not get 11308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * overflowed and give incorrect values. A right balance is needed to 11318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * satisfy this condition and not waste too much CPU time. 11328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 11338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * It is pointless to read MIB counters when the port is disconnected. The 11348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @state provides the connection status so that MIB counters are read only 11358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * when the port is connected. The @link_down indicates the port is just 11368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * disconnected so that all MIB counters are read one last time to update the 11378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * information. 11388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 11398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_port_mib { 11408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 cnt_ptr; 11418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 link_down; 11428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 state; 11438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 mib_start; 11448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u64 counter[TOTAL_PORT_COUNTER_NUM]; 11468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 dropped[2]; 11478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 11488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 11508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_port_cfg - Port configuration data structure 11518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @vid: VID value. 11528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @member: Port membership. 11538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port_prio: Port priority. 11548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @rx_rate: Receive priority rate. 11558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_rate: Transmit priority rate. 11568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @stp_state: Current Spanning Tree Protocol state. 11578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 11588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_port_cfg { 11598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 vid; 11608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 member; 11618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 port_prio; 11628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 rx_rate[PRIO_QUEUES]; 11638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 tx_rate[PRIO_QUEUES]; 11648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int stp_state; 11658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 11668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 11688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_switch - KSZ8842 switch data structure 11698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mac_table: MAC table entries information. 11708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @vlan_table: VLAN table entries information. 11718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port_cfg: Port configuration information. 11728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @diffserv: DiffServ priority settings. Possible values from 6-bit of ToS 11738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * (bit7 ~ bit2) field. 11748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @p_802_1p: 802.1P priority settings. Possible values from 3-bit of 802.1p 11758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Tag priority field. 11768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @br_addr: Bridge address. Used for STP. 11778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @other_addr: Other MAC address. Used for multiple network device mode. 11788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @broad_per: Broadcast storm percentage. 11798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @member: Current port membership. Used for STP. 11808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 11818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_switch { 11828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_mac_table mac_table[STATIC_MAC_TABLE_ENTRIES]; 11838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_vlan_table vlan_table[VLAN_TABLE_ENTRIES]; 11848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_cfg port_cfg[TOTAL_PORT_NUM]; 11858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 diffserv[DIFFSERV_ENTRIES]; 11878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 p_802_1p[PRIO_802_1P_ENTRIES]; 11888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 br_addr[MAC_ADDR_LEN]; 11908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 other_addr[MAC_ADDR_LEN]; 11918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 broad_per; 11938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 member; 11948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 11958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define TX_RATE_UNIT 10000 11978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 11988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 11998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_port_info - Port information data structure 12008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @state: Connection status of the port. 12018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_rate: Transmit rate divided by 10000 to get Mbit. 12028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @duplex: Duplex mode. 12038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @advertised: Advertised auto-negotiation setting. Used to determine link. 12048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @partner: Auto-negotiation partner setting. Used to determine link. 12058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port_id: Port index to access actual hardware register. 12068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @pdev: Pointer to OS dependent network device. 12078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 12088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_port_info { 12098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint state; 12108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint tx_rate; 12118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 duplex; 12128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 advertised; 12138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 partner; 12148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 port_id; 12158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha void *pdev; 12168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 12178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MAX_TX_HELD_SIZE 52000 12198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Hardware features and bug fixes. */ 12218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define LINK_INT_WORKING (1 << 0) 12228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define SMALL_PACKET_TX_BUG (1 << 1) 12238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define HALF_DUPLEX_SIGNAL_BUG (1 << 2) 12248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define IPV6_CSUM_GEN_HACK (1 << 3) 12258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define RX_HUGE_FRAME (1 << 4) 12268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STP_SUPPORT (1 << 8) 12278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Software overrides. */ 12298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PAUSE_FLOW_CTRL (1 << 0) 12308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define FAST_AGING (1 << 1) 12318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 12338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_hw - KSZ884X hardware data structure 12348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @io: Virtual address assigned. 12358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ksz_switch: Pointer to KSZ8842 switch. 12368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port_info: Port information. 12378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port_mib: Port MIB information. 12388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev_count: Number of network devices this hardware supports. 12398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dst_ports: Destination ports in switch for transmission. 12408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @id: Hardware ID. Used for display only. 12418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mib_cnt: Number of MIB counters this hardware has. 12428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mib_port_cnt: Number of ports with MIB counters. 12438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_cfg: Cached transmit control settings. 12448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @rx_cfg: Cached receive control settings. 12458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @intr_mask: Current interrupt mask. 12468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @intr_set: Current interrup set. 12478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @intr_blocked: Interrupt blocked. 12488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @rx_desc_info: Receive descriptor information. 12498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_desc_info: Transmit descriptor information. 12508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_int_cnt: Transmit interrupt count. Used for TX optimization. 12518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_int_mask: Transmit interrupt mask. Used for TX optimization. 12528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_size: Transmit data size. Used for TX optimization. 12538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * The maximum is defined by MAX_TX_HELD_SIZE. 12548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @perm_addr: Permanent MAC address. 12558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @override_addr: Overrided MAC address. 12568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @address: Additional MAC address entries. 12578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr_list_size: Additional MAC address list size. 12588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mac_override: Indication of MAC address overrided. 12598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @promiscuous: Counter to keep track of promiscuous mode set. 12608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @all_multi: Counter to keep track of all multicast mode set. 12618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @multi_list: Multicast address entries. 12628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @multi_bits: Cached multicast hash table settings. 12638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @multi_list_size: Multicast address list size. 12648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @enabled: Indication of hardware enabled. 12658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @rx_stop: Indication of receive process stop. 12668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @features: Hardware features to enable. 12678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @overrides: Hardware features to override. 12688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @parent: Pointer to parent, network device private structure. 12698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 12708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_hw { 12718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha void __iomem *io; 12728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_switch *ksz_switch; 12748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_info port_info[SWITCH_PORT_NUM]; 12758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_mib port_mib[TOTAL_PORT_NUM]; 12768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int dev_count; 12778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int dst_ports; 12788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int id; 12798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int mib_cnt; 12808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int mib_port_cnt; 12818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 tx_cfg; 12838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 rx_cfg; 12848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 intr_mask; 12858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 intr_set; 12868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint intr_blocked; 12878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info rx_desc_info; 12898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info tx_desc_info; 12908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int tx_int_cnt; 12928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int tx_int_mask; 12938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int tx_size; 12948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 12958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 perm_addr[MAC_ADDR_LEN]; 12968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 override_addr[MAC_ADDR_LEN]; 12978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 address[ADDITIONAL_ENTRIES][MAC_ADDR_LEN]; 12988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 addr_list_size; 12998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 mac_override; 13008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 promiscuous; 13018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 all_multi; 13028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 multi_list[MAX_MULTICAST_LIST][MAC_ADDR_LEN]; 13038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 multi_bits[HW_MULTICAST_SIZE]; 13048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 multi_list_size; 13058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 enabled; 13078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 rx_stop; 13088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 reserved2[1]; 13098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint features; 13118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint overrides; 13128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha void *parent; 13148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 13158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Haenum { 13178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_NO_FLOW_CTRL, 13188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_FLOW_CTRL, 13198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_TX_ONLY, 13208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_RX_ONLY 13218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 13228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 13248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_port - Virtual port data structure 13258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @duplex: Duplex mode setting. 1 for half duplex, 2 for full 13268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * duplex, and 0 for auto, which normally results in full 13278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * duplex. 13288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @speed: Speed setting. 10 for 10 Mbit, 100 for 100 Mbit, and 13298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 0 for auto, which normally results in 100 Mbit. 13308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @force_link: Force link setting. 0 for auto-negotiation, and 1 for 13318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * force. 13328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @flow_ctrl: Flow control setting. PHY_NO_FLOW_CTRL for no flow 13338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * control, and PHY_FLOW_CTRL for flow control. 13348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * PHY_TX_ONLY and PHY_RX_ONLY are not supported for 100 13358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Mbit PHY. 13368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @first_port: Index of first port this port supports. 13378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mib_port_cnt: Number of ports with MIB counters. 13388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port_cnt: Number of ports this port supports. 13398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @counter: Port statistics counter. 13408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: Pointer to hardware structure. 13418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @linked: Pointer to port information linked to this port. 13428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 13438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_port { 13448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 duplex; 13458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 speed; 13468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 force_link; 13478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 flow_ctrl; 13488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int first_port; 13508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int mib_port_cnt; 13518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port_cnt; 13528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u64 counter[OID_COUNTER_LAST]; 13538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw; 13558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_info *linked; 13568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 13578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 13598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_timer_info - Timer information data structure 13608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @timer: Kernel timer. 13618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @cnt: Running timer counter. 13628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @max: Number of times to run timer; -1 for infinity. 13638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @period: Timer period in jiffies. 13648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 13658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_timer_info { 13668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct timer_list timer; 13678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int cnt; 13688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int max; 13698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int period; 13708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 13718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 13738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_shared_mem - OS dependent shared memory data structure 13748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dma_addr: Physical DMA address allocated. 13758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @alloc_size: Allocation size. 13768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @phys: Actual physical address used. 13778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @alloc_virt: Virtual address allocated. 13788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @virt: Actual virtual address used. 13798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 13808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_shared_mem { 13818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_addr_t dma_addr; 13828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint alloc_size; 13838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint phys; 13848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 *alloc_virt; 13858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 *virt; 13868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 13878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 13888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 13898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct ksz_counter_info - OS dependent counter information data structure 13908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @counter: Wait queue to wakeup after counters are read. 13918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @time: Next time in jiffies to read counter. 13928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @read: Indication of counters read in full or not. 13938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 13948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct ksz_counter_info { 13958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha wait_queue_head_t counter; 13968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha unsigned long time; 13978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int read; 13988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 13998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 14018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct dev_info - Network device information data structure 14028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Pointer to network device. 14038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @pdev: Pointer to PCI device. 14048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: Hardware structure. 14058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @desc_pool: Physical memory used for descriptor pool. 14068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hwlock: Spinlock to prevent hardware from accessing. 14078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @lock: Mutex lock to prevent device from accessing. 14088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev_rcv: Receive process function used. 14098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @last_skb: Socket buffer allocated for descriptor rx fragments. 14108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @skb_index: Buffer index for receiving fragments. 14118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @skb_len: Buffer length for receiving fragments. 14128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mib_read: Workqueue to read MIB counters. 14138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mib_timer_info: Timer to read MIB counters. 14148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @counter: Used for MIB reading. 14158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mtu: Current MTU used. The default is REGULAR_RX_BUF_SIZE; 14168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * the maximum is MAX_RX_BUF_SIZE. 14178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @opened: Counter to keep track of device open. 14188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @rx_tasklet: Receive processing tasklet. 14198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_tasklet: Transmit processing tasklet. 14208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @wol_enable: Wake-on-LAN enable set by ethtool. 14218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @wol_support: Wake-on-LAN support used by ethtool. 14228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @pme_wait: Used for KSZ8841 power management. 14238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 14248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct dev_info { 14258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev; 14268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct pci_dev *pdev; 14278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw hw; 14298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_shared_mem desc_pool; 14308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spinlock_t hwlock; 14328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct mutex lock; 14338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int (*dev_rcv)(struct dev_info *); 14358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct sk_buff *last_skb; 14378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int skb_index; 14388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int skb_len; 14398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct work_struct mib_read; 14418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_timer_info mib_timer_info; 14428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_counter_info counter[TOTAL_PORT_NUM]; 14438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int mtu; 14458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int opened; 14468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct tasklet_struct rx_tasklet; 14488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct tasklet_struct tx_tasklet; 14498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int wol_enable; 14518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int wol_support; 14528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha unsigned long pme_wait; 14538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 14548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 14568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * struct dev_priv - Network device private data structure 14578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @adapter: Adapter device information. 14588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: Port information. 14598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @monitor_time_info: Timer to monitor ports. 14608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @stats: Network statistics. 14618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @proc_sem: Semaphore for proc accessing. 14628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @id: Device ID. 14638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mii_if: MII interface information. 14648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @advertising: Temporary variable to store advertised settings. 14658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @msg_enable: The message flags controlling driver output. 14668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @media_state: The connection status of the device. 14678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @multicast: The all multicast state of the device. 14688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @promiscuous: The promiscuous state of the device. 14698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 14708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct dev_priv { 14718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *adapter; 14728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port port; 14738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_timer_info monitor_timer_info; 14748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device_stats stats; 14758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct semaphore proc_sem; 14778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int id; 14788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct mii_if_info mii_if; 14808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 advertising; 14818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 msg_enable; 14838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int media_state; 14848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int multicast; 14858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int promiscuous; 14868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 14878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DRV_NAME "KSZ884X PCI" 14898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DEVICE_NAME "KSZ884x PCI" 14908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DRV_VERSION "1.0.0" 14918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define DRV_RELDATE "Feb 8, 2010" 14928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic char version[] __devinitdata = 14948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha "Micrel " DEVICE_NAME " " DRV_VERSION " (" DRV_RELDATE ")"; 14958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic u8 DEFAULT_MAC_ADDRESS[] = { 0x00, 0x10, 0xA1, 0x88, 0x42, 0x01 }; 14978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 14988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 14998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Interrupt processing primary routines 15008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 15018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_ack_intr(struct ksz_hw *hw, uint interrupt) 15038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(interrupt, hw->io + KS884X_INTERRUPTS_STATUS); 15058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_dis_intr(struct ksz_hw *hw) 15088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_blocked = hw->intr_mask; 15108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(0, hw->io + KS884X_INTERRUPTS_ENABLE); 15118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_set = readl(hw->io + KS884X_INTERRUPTS_ENABLE); 15128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_set_intr(struct ksz_hw *hw, uint interrupt) 15158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_set = interrupt; 15178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(interrupt, hw->io + KS884X_INTERRUPTS_ENABLE); 15188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_ena_intr(struct ksz_hw *hw) 15218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_blocked = 0; 15238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_intr(hw, hw->intr_mask); 15248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_dis_intr_bit(struct ksz_hw *hw, uint bit) 15278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_mask &= ~(bit); 15298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_turn_off_intr(struct ksz_hw *hw, uint interrupt) 15328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 read_intr; 15348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha read_intr = readl(hw->io + KS884X_INTERRUPTS_ENABLE); 15368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_set = read_intr & ~interrupt; 15378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(hw->intr_set, hw->io + KS884X_INTERRUPTS_ENABLE); 15388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_dis_intr_bit(hw, interrupt); 15398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 15428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_turn_on_intr - turn on specified interrupts 15438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 15448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @bit: The interrupt bits to be on. 15458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 15468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine turns on the specified interrupts in the interrupt mask so that 15478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * those interrupts will be enabled. 15488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 15498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_turn_on_intr(struct ksz_hw *hw, u32 bit) 15508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_mask |= bit; 15528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw->intr_blocked) 15548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_intr(hw, hw->intr_mask); 15558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_ena_intr_bit(struct ksz_hw *hw, uint interrupt) 15588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 read_intr; 15608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha read_intr = readl(hw->io + KS884X_INTERRUPTS_ENABLE); 15628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_set = read_intr | interrupt; 15638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(hw->intr_set, hw->io + KS884X_INTERRUPTS_ENABLE); 15648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_read_intr(struct ksz_hw *hw, uint *status) 15678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *status = readl(hw->io + KS884X_INTERRUPTS_STATUS); 15698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *status = *status & hw->intr_set; 15708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_restore_intr(struct ksz_hw *hw, uint interrupt) 15738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (interrupt) 15758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ena_intr(hw); 15768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 15798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_block_intr - block hardware interrupts 15808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 15818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function blocks all interrupts of the hardware and returns the current 15828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * interrupt enable mask so that interrupts can be restored later. 15838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 15848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return the current interrupt enable mask. 15858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 15868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic uint hw_block_intr(struct ksz_hw *hw) 15878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 15888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint interrupt = 0; 15898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw->intr_blocked) { 15918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_dis_intr(hw); 15928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha interrupt = hw->intr_blocked; 15938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 15948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return interrupt; 15958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 15968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 15978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 15988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Hardware descriptor routines 15998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 16008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void reset_desc(struct ksz_desc *desc, union desc_stat status) 16028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha status.rx.hw_owned = 0; 16048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->phw->ctrl.data = cpu_to_le32(status.data); 16058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void release_desc(struct ksz_desc *desc) 16088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->sw.ctrl.tx.hw_owned = 1; 16108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (desc->sw.buf_size != desc->sw.buf.data) { 16118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->sw.buf_size = desc->sw.buf.data; 16128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->phw->buf.data = cpu_to_le32(desc->sw.buf.data); 16138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 16148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->phw->ctrl.data = cpu_to_le32(desc->sw.ctrl.data); 16158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void get_rx_pkt(struct ksz_desc_info *info, struct ksz_desc **desc) 16188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *desc = &info->ring[info->last]; 16208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->last++; 16218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->last &= info->mask; 16228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->avail--; 16238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (*desc)->sw.buf.data &= ~KS_DESC_RX_MASK; 16248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void set_rx_buf(struct ksz_desc *desc, u32 addr) 16278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->phw->addr = cpu_to_le32(addr); 16298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void set_rx_len(struct ksz_desc *desc, u32 len) 16328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->sw.buf.rx.buf_size = len; 16348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void get_tx_pkt(struct ksz_desc_info *info, 16378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc **desc) 16388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *desc = &info->ring[info->next]; 16408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->next++; 16418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->next &= info->mask; 16428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->avail--; 16438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (*desc)->sw.buf.data &= ~KS_DESC_TX_MASK; 16448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void set_tx_buf(struct ksz_desc *desc, u32 addr) 16478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->phw->addr = cpu_to_le32(addr); 16498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void set_tx_len(struct ksz_desc *desc, u32 len) 16528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc->sw.buf.tx.buf_size = len; 16548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Switch functions */ 16578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define TABLE_READ 0x10 16598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define TABLE_SEL_SHIFT 2 16608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define HW_DELAY(hw, reg) \ 16628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { \ 16638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 dummy; \ 16648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dummy = readw(hw->io + reg); \ 16658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (0) 16668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 16688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_r_table - read 4 bytes of data from switch table 16698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 16708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @table: The table selector. 16718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: The address of the table entry. 16728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: Buffer to store the read data. 16738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 16748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine reads 4 bytes of data from the table of the switch. 16758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Hardware interrupts are disabled to minimize corruption of read data. 16768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 16778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_r_table(struct ksz_hw *hw, int table, u16 addr, u32 *data) 16788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 16798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 ctrl_addr; 16808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint interrupt; 16818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ctrl_addr = (((table << TABLE_SEL_SHIFT) | TABLE_READ) << 8) | addr; 16838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha interrupt = hw_block_intr(hw); 16858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(ctrl_addr, hw->io + KS884X_IACR_OFFSET); 16878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha HW_DELAY(hw, KS884X_IACR_OFFSET); 16888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readl(hw->io + KS884X_ACC_DATA_0_OFFSET); 16898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_restore_intr(hw, interrupt); 16918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 16928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 16938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 16948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_w_table_64 - write 8 bytes of data to the switch table 16958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 16968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @table: The table selector. 16978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: The address of the table entry. 16988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data_hi: The high part of data to be written (bit63 ~ bit32). 16998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data_lo: The low part of data to be written (bit31 ~ bit0). 17008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 17018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine writes 8 bytes of data to the table of the switch. 17028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Hardware interrupts are disabled to minimize corruption of written data. 17038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 17048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_w_table_64(struct ksz_hw *hw, int table, u16 addr, u32 data_hi, 17058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data_lo) 17068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 17078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 ctrl_addr; 17088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint interrupt; 17098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ctrl_addr = ((table << TABLE_SEL_SHIFT) << 8) | addr; 17118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha interrupt = hw_block_intr(hw); 17138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(data_hi, hw->io + KS884X_ACC_DATA_4_OFFSET); 17158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(data_lo, hw->io + KS884X_ACC_DATA_0_OFFSET); 17168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(ctrl_addr, hw->io + KS884X_IACR_OFFSET); 17188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha HW_DELAY(hw, KS884X_IACR_OFFSET); 17198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_restore_intr(hw, interrupt); 17218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 17228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 17248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_w_sta_mac_table - write to the static MAC table 17258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 17268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: The address of the table entry. 17278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mac_addr: The MAC address. 17288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ports: The port members. 17298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @override: The flag to override the port receive/transmit settings. 17308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @valid: The flag to indicate entry is valid. 17318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @use_fid: The flag to indicate the FID is valid. 17328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @fid: The FID value. 17338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 17348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine writes an entry of the static MAC table of the switch. It 17358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * calls sw_w_table_64() to write the data. 17368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 17378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_w_sta_mac_table(struct ksz_hw *hw, u16 addr, u8 *mac_addr, 17388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 ports, int override, int valid, int use_fid, u8 fid) 17398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 17408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data_hi; 17418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data_lo; 17428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data_lo = ((u32) mac_addr[2] << 24) | 17448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ((u32) mac_addr[3] << 16) | 17458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ((u32) mac_addr[4] << 8) | mac_addr[5]; 17468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data_hi = ((u32) mac_addr[0] << 8) | mac_addr[1]; 17478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data_hi |= (u32) ports << STATIC_MAC_FWD_PORTS_SHIFT; 17488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (override) 17508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data_hi |= STATIC_MAC_TABLE_OVERRIDE; 17518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (use_fid) { 17528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data_hi |= STATIC_MAC_TABLE_USE_FID; 17538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data_hi |= (u32) fid << STATIC_MAC_FID_SHIFT; 17548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 17558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (valid) 17568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data_hi |= STATIC_MAC_TABLE_VALID; 17578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_w_table_64(hw, TABLE_STATIC_MAC, addr, data_hi, data_lo); 17598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 17608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 17628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_r_vlan_table - read from the VLAN table 17638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 17648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: The address of the table entry. 17658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @vid: Buffer to store the VID. 17668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @fid: Buffer to store the VID. 17678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @member: Buffer to store the port membership. 17688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 17698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function reads an entry of the VLAN table of the switch. It calls 17708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_r_table() to get the data. 17718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 17728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if the entry is valid; otherwise -1. 17738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 17748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int sw_r_vlan_table(struct ksz_hw *hw, u16 addr, u16 *vid, u8 *fid, 17758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 *member) 17768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 17778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data; 17788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_r_table(hw, TABLE_VLAN, addr, &data); 17808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (data & VLAN_TABLE_VALID) { 17818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *vid = (u16)(data & VLAN_TABLE_VID); 17828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *fid = (u8)((data & VLAN_TABLE_FID) >> VLAN_TABLE_FID_SHIFT); 17838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *member = (u8)((data & VLAN_TABLE_MEMBERSHIP) >> 17848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha VLAN_TABLE_MEMBERSHIP_SHIFT); 17858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 17868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 17878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -1; 17888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 17898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 17908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 17918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_r_mib_cnt - read MIB counter 17928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 17938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 17948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: The address of the counter. 17958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @cnt: Buffer to store the counter. 17968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 17978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine reads a MIB counter of the port. 17988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Hardware interrupts are disabled to minimize corruption of read data. 17998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 18008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_r_mib_cnt(struct ksz_hw *hw, int port, u16 addr, u64 *cnt) 18018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 18028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data; 18038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 ctrl_addr; 18048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint interrupt; 18058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int timeout; 18068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ctrl_addr = addr + PORT_COUNTER_NUM * port; 18088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha interrupt = hw_block_intr(hw); 18108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ctrl_addr |= (((TABLE_MIB << TABLE_SEL_SHIFT) | TABLE_READ) << 8); 18128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(ctrl_addr, hw->io + KS884X_IACR_OFFSET); 18138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha HW_DELAY(hw, KS884X_IACR_OFFSET); 18148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (timeout = 100; timeout > 0; timeout--) { 18168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readl(hw->io + KS884X_ACC_DATA_0_OFFSET); 18178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (data & MIB_COUNTER_VALID) { 18198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (data & MIB_COUNTER_OVERFLOW) 18208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *cnt += MIB_COUNTER_VALUE + 1; 18218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *cnt += data & MIB_COUNTER_VALUE; 18228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 18238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 18248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 18258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_restore_intr(hw, interrupt); 18278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 18288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 18308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_r_mib_pkt - read dropped packet counts 18318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 18328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 18338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @cnt: Buffer to store the receive and transmit dropped packet counts. 18348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 18358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine reads the dropped packet counts of the port. 18368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Hardware interrupts are disabled to minimize corruption of read data. 18378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 18388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_r_mib_pkt(struct ksz_hw *hw, int port, u32 *last, u64 *cnt) 18398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 18408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 cur; 18418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data; 18428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 ctrl_addr; 18438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint interrupt; 18448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int index; 18458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha index = KS_MIB_PACKET_DROPPED_RX_0 + port; 18478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { 18488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha interrupt = hw_block_intr(hw); 18498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ctrl_addr = (u16) index; 18518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ctrl_addr |= (((TABLE_MIB << TABLE_SEL_SHIFT) | TABLE_READ) 18528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha << 8); 18538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(ctrl_addr, hw->io + KS884X_IACR_OFFSET); 18548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha HW_DELAY(hw, KS884X_IACR_OFFSET); 18558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readl(hw->io + KS884X_ACC_DATA_0_OFFSET); 18568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_restore_intr(hw, interrupt); 18588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= MIB_PACKET_DROPPED; 18608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cur = *last; 18618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (data != cur) { 18628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *last = data; 18638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (data < cur) 18648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data += MIB_PACKET_DROPPED + 1; 18658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data -= cur; 18668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *cnt += data; 18678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 18688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++last; 18698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++cnt; 18708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha index -= KS_MIB_PACKET_DROPPED_TX - 18718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_MIB_PACKET_DROPPED_TX_0 + 1; 18728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (index >= KS_MIB_PACKET_DROPPED_TX_0 + port); 18738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 18748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 18768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_r_cnt - read MIB counters periodically 18778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 18788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 18798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 18808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to read the counters of the port periodically to avoid 18818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * counter overflow. The hardware should be acquired first before calling this 18828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * routine. 18838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 18848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return non-zero when not all counters not read. 18858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 18868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int port_r_cnt(struct ksz_hw *hw, int port) 18878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 18888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_mib *mib = &hw->port_mib[port]; 18898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 18908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (mib->mib_start < PORT_COUNTER_NUM) 18918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (mib->cnt_ptr < PORT_COUNTER_NUM) { 18928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r_mib_cnt(hw, port, mib->cnt_ptr, 18938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &mib->counter[mib->cnt_ptr]); 18948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++mib->cnt_ptr; 18958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 18968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->mib_cnt > PORT_COUNTER_NUM) 18978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r_mib_pkt(hw, port, mib->dropped, 18988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &mib->counter[PORT_COUNTER_NUM]); 18998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->cnt_ptr = 0; 19008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 19018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 19028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 19048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_init_cnt - initialize MIB counter values 19058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 19068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 19078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 19088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to initialize all counters to zero if the hardware 19098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * cannot do it after reset. 19108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 19118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_init_cnt(struct ksz_hw *hw, int port) 19128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 19138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_mib *mib = &hw->port_mib[port]; 19148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->cnt_ptr = 0; 19168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (mib->mib_start < PORT_COUNTER_NUM) 19178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { 19188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r_mib_cnt(hw, port, mib->cnt_ptr, 19198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &mib->counter[mib->cnt_ptr]); 19208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++mib->cnt_ptr; 19218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (mib->cnt_ptr < PORT_COUNTER_NUM); 19228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->mib_cnt > PORT_COUNTER_NUM) 19238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r_mib_pkt(hw, port, mib->dropped, 19248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &mib->counter[PORT_COUNTER_NUM]); 19258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset((void *) mib->counter, 0, sizeof(u64) * TOTAL_PORT_COUNTER_NUM); 19268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->cnt_ptr = 0; 19278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 19288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 19308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Port functions 19318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 19328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 19348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_chk - check port register bits 19358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 19368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 19378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @offset: The offset of the port register. 19388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @bits: The data bits to check. 19398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 19408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function checks whether the specified bits of the port register are set 19418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * or not. 19428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 19438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if the bits are not set. 19448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 19458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int port_chk(struct ksz_hw *hw, int port, int offset, u16 bits) 19468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 19478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 19488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 19498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_CTRL_ADDR(port, addr); 19518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha addr += offset; 19528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + addr); 19538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return (data & bits) == bits; 19548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 19558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 19578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_cfg - set port register bits 19588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 19598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 19608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @offset: The offset of the port register. 19618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @bits: The data bits to set. 19628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @set: The flag indicating whether the bits are to be set or not. 19638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 19648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine sets or resets the specified bits of the port register. 19658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 19668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_cfg(struct ksz_hw *hw, int port, int offset, u16 bits, 19678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int set) 19688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 19698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 19708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 19718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_CTRL_ADDR(port, addr); 19738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha addr += offset; 19748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + addr); 19758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (set) 19768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= bits; 19778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 19788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~bits; 19798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + addr); 19808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 19818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 19838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_chk_shift - check port bit 19848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 19858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 19868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @offset: The offset of the register. 19878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @shift: Number of bits to shift. 19888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 19898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function checks whether the specified port is set in the register or 19908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * not. 19918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 19928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if the port is not set. 19938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 19948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int port_chk_shift(struct ksz_hw *hw, int port, u32 addr, int shift) 19958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 19968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 19978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 bit = 1 << port; 19988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 19998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + addr); 20008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data >>= shift; 20018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return (data & bit) == bit; 20028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 20038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 20058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_cfg_shift - set port bit 20068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 20078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 20088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @offset: The offset of the register. 20098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @shift: Number of bits to shift. 20108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @set: The flag indicating whether the port is to be set or not. 20118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 20128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine sets or resets the specified port in the register. 20138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 20148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_cfg_shift(struct ksz_hw *hw, int port, u32 addr, int shift, 20158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int set) 20168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 20178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 20188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 bits = 1 << port; 20198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + addr); 20218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha bits <<= shift; 20228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (set) 20238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= bits; 20248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 20258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~bits; 20268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + addr); 20278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 20288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 20308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_r8 - read byte from port register 20318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 20328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 20338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @offset: The offset of the port register. 20348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: Buffer to store the data. 20358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 20368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine reads a byte from the port register. 20378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 20388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_r8(struct ksz_hw *hw, int port, int offset, u8 *data) 20398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 20408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 20418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_CTRL_ADDR(port, addr); 20438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha addr += offset; 20448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readb(hw->io + addr); 20458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 20468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 20488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_r16 - read word from port register. 20498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 20508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 20518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @offset: The offset of the port register. 20528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: Buffer to store the data. 20538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 20548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine reads a word from the port register. 20558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 20568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_r16(struct ksz_hw *hw, int port, int offset, u16 *data) 20578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 20588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 20598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_CTRL_ADDR(port, addr); 20618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha addr += offset; 20628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readw(hw->io + addr); 20638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 20648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 20668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_w16 - write word to port register. 20678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 20688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 20698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @offset: The offset of the port register. 20708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: Data to write. 20718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 20728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine writes a word to the port register. 20738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 20748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_w16(struct ksz_hw *hw, int port, int offset, u16 data) 20758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 20768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 20778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_CTRL_ADDR(port, addr); 20798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha addr += offset; 20808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + addr); 20818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 20828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 20848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_chk - check switch register bits 20858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 20868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: The address of the switch register. 20878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @bits: The data bits to check. 20888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 20898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function checks whether the specified bits of the switch register are 20908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * set or not. 20918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 20928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if the bits are not set. 20938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 20948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int sw_chk(struct ksz_hw *hw, u32 addr, u16 bits) 20958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 20968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 20978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 20988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + addr); 20998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return (data & bits) == bits; 21008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 21018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 21038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_cfg - set switch register bits 21048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 21058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: The address of the switch register. 21068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @bits: The data bits to set. 21078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @set: The flag indicating whether the bits are to be set or not. 21088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 21098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function sets or resets the specified bits of the switch register. 21108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 21118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_cfg(struct ksz_hw *hw, u32 addr, u16 bits, int set) 21128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 21138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 21148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + addr); 21168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (set) 21178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= bits; 21188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 21198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~bits; 21208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + addr); 21218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 21228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Bandwidth */ 21248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_broad_storm(struct ksz_hw *hw, int p, int set) 21268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 21278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 21288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_BROADCAST_STORM, set); 21298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 21308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_broad_storm(struct ksz_hw *hw, int p) 21328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 21338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 21348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_BROADCAST_STORM); 21358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 21368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Driver set switch broadcast storm protection at 10% rate. */ 21388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BROADCAST_STORM_PROTECTION_RATE 10 21398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 148,800 frames * 67 ms / 100 */ 21418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BROADCAST_STORM_VALUE 9969 21428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 21448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_cfg_broad_storm - configure broadcast storm threshold 21458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 21468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @percent: Broadcast storm threshold in percent of transmit rate. 21478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 21488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine configures the broadcast storm threshold of the switch. 21498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 21508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_cfg_broad_storm(struct ksz_hw *hw, u8 percent) 21518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 21528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 21538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 value = ((u32) BROADCAST_STORM_VALUE * (u32) percent / 100); 21548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (value > BROADCAST_STORM_RATE) 21568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha value = BROADCAST_STORM_RATE; 21578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS8842_SWITCH_CTRL_3_OFFSET); 21598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~(BROADCAST_STORM_RATE_LO | BROADCAST_STORM_RATE_HI); 21608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= ((value & 0x00FF) << 8) | ((value & 0xFF00) >> 8); 21618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS8842_SWITCH_CTRL_3_OFFSET); 21628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 21638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 21658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_get_board_storm - get broadcast storm threshold 21668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 21678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @percent: Buffer to store the broadcast storm threshold percentage. 21688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 21698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine retrieves the broadcast storm threshold of the switch. 21708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 21718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_get_broad_storm(struct ksz_hw *hw, u8 *percent) 21728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 21738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int num; 21748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 21758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS8842_SWITCH_CTRL_3_OFFSET); 21778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num = (data & BROADCAST_STORM_RATE_HI); 21788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num <<= 8; 21798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num |= (data & BROADCAST_STORM_RATE_LO) >> 8; 21808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num = (num * 100 + BROADCAST_STORM_VALUE / 2) / BROADCAST_STORM_VALUE; 21818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *percent = (u8) num; 21828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 21838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 21858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_dis_broad_storm - disable broadstorm 21868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 21878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 21888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 21898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine disables the broadcast storm limit function of the switch. 21908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 21918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_dis_broad_storm(struct ksz_hw *hw, int port) 21928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 21938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_broad_storm(hw, port, 0); 21948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 21958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 21968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 21978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_ena_broad_storm - enable broadcast storm 21988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 21998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 22008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 22018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine enables the broadcast storm limit function of the switch. 22028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 22038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_ena_broad_storm(struct ksz_hw *hw, int port) 22048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 22058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_broad_storm(hw, hw->ksz_switch->broad_per); 22068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_broad_storm(hw, port, 1); 22078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 22088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 22108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_init_broad_storm - initialize broadcast storm 22118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 22128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 22138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine initializes the broadcast storm limit function of the switch. 22148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 22158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_init_broad_storm(struct ksz_hw *hw) 22168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 22178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 22188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->ksz_switch->broad_per = 1; 22208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_broad_storm(hw, hw->ksz_switch->broad_per); 22218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < TOTAL_PORT_NUM; port++) 22228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_dis_broad_storm(hw, port); 22238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_2_OFFSET, MULTICAST_STORM_DISABLE, 1); 22248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 22258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 22278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_cfg_broad_storm - configure broadcast storm 22288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 22298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @percent: Broadcast storm threshold in percent of transmit rate. 22308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 22318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine configures the broadcast storm threshold of the switch. 22328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * It is called by user functions. The hardware should be acquired first. 22338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 22348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_cfg_broad_storm(struct ksz_hw *hw, u8 percent) 22358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 22368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (percent > 100) 22378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha percent = 100; 22388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_broad_storm(hw, percent); 22408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_get_broad_storm(hw, &percent); 22418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->ksz_switch->broad_per = percent; 22428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 22438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 22458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_dis_prio_rate - disable switch priority rate 22468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 22478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 22488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 22498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine disables the priority rate function of the switch. 22508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 22518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_dis_prio_rate(struct ksz_hw *hw, int port) 22528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 22538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 22548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_CTRL_ADDR(port, addr); 22568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha addr += KS8842_PORT_IN_RATE_OFFSET; 22578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(0, hw->io + addr); 22588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 22598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 22618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_init_prio_rate - initialize switch prioirty rate 22628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 22638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 22648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine initializes the priority rate function of the switch. 22658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 22668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_init_prio_rate(struct ksz_hw *hw) 22678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 22688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 22698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int prio; 22708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_switch *sw = hw->ksz_switch; 22718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < TOTAL_PORT_NUM; port++) { 22738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (prio = 0; prio < PRIO_QUEUES; prio++) { 22748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->port_cfg[port].rx_rate[prio] = 22758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->port_cfg[port].tx_rate[prio] = 0; 22768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 22778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_dis_prio_rate(hw, port); 22788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 22798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 22808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Communication */ 22828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_back_pressure(struct ksz_hw *hw, int p, int set) 22848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 22858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 22868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_BACK_PRESSURE, set); 22878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 22888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_force_flow_ctrl(struct ksz_hw *hw, int p, int set) 22908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 22918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 22928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_FORCE_FLOW_CTRL, set); 22938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 22948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 22958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_back_pressure(struct ksz_hw *hw, int p) 22968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 22978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 22988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_BACK_PRESSURE); 22998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_force_flow_ctrl(struct ksz_hw *hw, int p) 23028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 23048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_FORCE_FLOW_CTRL); 23058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Spanning Tree */ 23088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_dis_learn(struct ksz_hw *hw, int p, int set) 23108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 23128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_LEARN_DISABLE, set); 23138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_rx(struct ksz_hw *hw, int p, int set) 23168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 23188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_RX_ENABLE, set); 23198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_tx(struct ksz_hw *hw, int p, int set) 23228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 23248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_TX_ENABLE, set); 23258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void sw_cfg_fast_aging(struct ksz_hw *hw, int set) 23288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET, SWITCH_FAST_AGING, set); 23308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void sw_flush_dyn_mac_table(struct ksz_hw *hw) 23338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!(hw->overrides & FAST_AGING)) { 23358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_fast_aging(hw, 1); 23368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mdelay(1); 23378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_fast_aging(hw, 0); 23388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 23398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* VLAN */ 23428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_ins_tag(struct ksz_hw *hw, int p, int insert) 23448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 23468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_INSERT_TAG, insert); 23478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_rmv_tag(struct ksz_hw *hw, int p, int remove) 23508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 23528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_REMOVE_TAG, remove); 23538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_ins_tag(struct ksz_hw *hw, int p) 23568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 23588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_INSERT_TAG); 23598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_rmv_tag(struct ksz_hw *hw, int p) 23628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 23648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_REMOVE_TAG); 23658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_dis_non_vid(struct ksz_hw *hw, int p, int set) 23688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 23708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_DISCARD_NON_VID, set); 23718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_in_filter(struct ksz_hw *hw, int p, int set) 23748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 23768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_INGRESS_VLAN_FILTER, set); 23778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_dis_non_vid(struct ksz_hw *hw, int p) 23808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 23828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_DISCARD_NON_VID); 23838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_in_filter(struct ksz_hw *hw, int p) 23868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 23888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_INGRESS_VLAN_FILTER); 23898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Mirroring */ 23928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_mirror_sniffer(struct ksz_hw *hw, int p, int set) 23948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 23958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 23968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_MIRROR_SNIFFER, set); 23978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 23988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 23998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_mirror_rx(struct ksz_hw *hw, int p, int set) 24008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 24028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_MIRROR_RX, set); 24038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_mirror_tx(struct ksz_hw *hw, int p, int set) 24068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 24088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_MIRROR_TX, set); 24098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void sw_cfg_mirror_rx_tx(struct ksz_hw *hw, int set) 24128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_2_OFFSET, SWITCH_MIRROR_RX_TX, set); 24148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_init_mirror(struct ksz_hw *hw) 24178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 24198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < TOTAL_PORT_NUM; port++) { 24218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_mirror_sniffer(hw, port, 0); 24228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_mirror_rx(hw, port, 0); 24238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_mirror_tx(hw, port, 0); 24248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 24258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_mirror_rx_tx(hw, 0); 24268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void sw_cfg_unk_def_deliver(struct ksz_hw *hw, int set) 24298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_7_OFFSET, 24318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_UNK_DEF_PORT_ENABLE, set); 24328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int sw_cfg_chk_unk_def_deliver(struct ksz_hw *hw) 24358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return sw_chk(hw, KS8842_SWITCH_CTRL_7_OFFSET, 24378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_UNK_DEF_PORT_ENABLE); 24388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void sw_cfg_unk_def_port(struct ksz_hw *hw, int port, int set) 24418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_shift(hw, port, KS8842_SWITCH_CTRL_7_OFFSET, 0, set); 24438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int sw_chk_unk_def_port(struct ksz_hw *hw, int port) 24468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk_shift(hw, port, KS8842_SWITCH_CTRL_7_OFFSET, 0); 24488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Priority */ 24518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_diffserv(struct ksz_hw *hw, int p, int set) 24538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 24558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_DIFFSERV_ENABLE, set); 24568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_802_1p(struct ksz_hw *hw, int p, int set) 24598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 24618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_802_1P_ENABLE, set); 24628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_replace_vid(struct ksz_hw *hw, int p, int set) 24658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 24678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_USER_PRIORITY_CEILING, set); 24688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_prio(struct ksz_hw *hw, int p, int set) 24718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 24738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_PRIO_QUEUE_ENABLE, set); 24748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_diffserv(struct ksz_hw *hw, int p) 24778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 24798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_DIFFSERV_ENABLE); 24808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_802_1p(struct ksz_hw *hw, int p) 24838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 24858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_802_1P_ENABLE); 24868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_replace_vid(struct ksz_hw *hw, int p) 24898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 24918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_2_OFFSET, PORT_USER_PRIORITY_CEILING); 24928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 24948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int port_chk_prio(struct ksz_hw *hw, int p) 24958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 24968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return port_chk(hw, p, 24978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS8842_PORT_CTRL_1_OFFSET, PORT_PRIO_QUEUE_ENABLE); 24988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 24998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 25018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_dis_diffserv - disable switch DiffServ priority 25028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 25038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 25048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 25058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine disables the DiffServ priority function of the switch. 25068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 25078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_dis_diffserv(struct ksz_hw *hw, int port) 25088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 25098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_diffserv(hw, port, 0); 25108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 25118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 25138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_dis_802_1p - disable switch 802.1p priority 25148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 25158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 25168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 25178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine disables the 802.1p priority function of the switch. 25188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 25198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_dis_802_1p(struct ksz_hw *hw, int port) 25208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 25218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_802_1p(hw, port, 0); 25228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 25238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 25258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_cfg_replace_null_vid - 25268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 25278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @set: The flag to disable or enable. 25288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 25298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 25308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_cfg_replace_null_vid(struct ksz_hw *hw, int set) 25318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 25328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_3_OFFSET, SWITCH_REPLACE_NULL_VID, set); 25338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 25348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 25368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_cfg_replace_vid - enable switch 802.10 priority re-mapping 25378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 25388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 25398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @set: The flag to disable or enable. 25408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 25418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine enables the 802.1p priority re-mapping function of the switch. 25428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * That allows 802.1p priority field to be replaced with the port's default 25438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * tag's priority value if the ingress packet's 802.1p priority has a higher 25448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * priority than port's default tag's priority. 25458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 25468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_cfg_replace_vid(struct ksz_hw *hw, int port, int set) 25478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 25488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_replace_vid(hw, port, set); 25498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 25508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 25528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_cfg_port_based - configure switch port based priority 25538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 25548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 25558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @prio: The priority to set. 25568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 25578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine configures the port based priority of the switch. 25588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 25598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_cfg_port_based(struct ksz_hw *hw, int port, u8 prio) 25608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 25618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 25628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (prio > PORT_BASED_PRIORITY_BASE) 25648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha prio = PORT_BASED_PRIORITY_BASE; 25658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->ksz_switch->port_cfg[port].port_prio = prio; 25678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r16(hw, port, KS8842_PORT_CTRL_1_OFFSET, &data); 25698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PORT_BASED_PRIORITY_MASK; 25708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= prio << PORT_BASED_PRIORITY_SHIFT; 25718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_w16(hw, port, KS8842_PORT_CTRL_1_OFFSET, data); 25728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 25738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 25758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_dis_multi_queue - disable transmit multiple queues 25768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 25778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 25788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 25798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine disables the transmit multiple queues selection of the switch 25808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port. Only single transmit queue on the port. 25818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 25828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_dis_multi_queue(struct ksz_hw *hw, int port) 25838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 25848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_prio(hw, port, 0); 25858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 25868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 25888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_init_prio - initialize switch priority 25898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 25908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 25918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine initializes the switch QoS priority functions. 25928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 25938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_init_prio(struct ksz_hw *hw) 25948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 25958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 25968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int tos; 25978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_switch *sw = hw->ksz_switch; 25988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 25998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 26008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Init all the 802.1p tag priority value to be assigned to different 26018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * priority queue. 26028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 26038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->p_802_1p[0] = 0; 26048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->p_802_1p[1] = 0; 26058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->p_802_1p[2] = 1; 26068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->p_802_1p[3] = 1; 26078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->p_802_1p[4] = 2; 26088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->p_802_1p[5] = 2; 26098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->p_802_1p[6] = 3; 26108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->p_802_1p[7] = 3; 26118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 26138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Init all the DiffServ priority value to be assigned to priority 26148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * queue 0. 26158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 26168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (tos = 0; tos < DIFFSERV_ENTRIES; tos++) 26178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->diffserv[tos] = 0; 26188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* All QoS functions disabled. */ 26208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < TOTAL_PORT_NUM; port++) { 26218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_dis_multi_queue(hw, port); 26228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_dis_diffserv(hw, port); 26238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_dis_802_1p(hw, port); 26248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_replace_vid(hw, port, 0); 26258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->port_cfg[port].port_prio = 0; 26278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_port_based(hw, port, sw->port_cfg[port].port_prio); 26288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 26298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_replace_null_vid(hw, 0); 26308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 26318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 26338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_get_def_vid - get port default VID. 26348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 26358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 26368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @vid: Buffer to store the VID. 26378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 26388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine retrieves the default VID of the port. 26398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 26408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_get_def_vid(struct ksz_hw *hw, int port, u16 *vid) 26418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 26428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 26438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_CTRL_ADDR(port, addr); 26458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha addr += KS8842_PORT_CTRL_VID_OFFSET; 26468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *vid = readw(hw->io + addr); 26478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 26488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 26508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_init_vlan - initialize switch VLAN 26518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 26528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 26538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine initializes the VLAN function of the switch. 26548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 26558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_init_vlan(struct ksz_hw *hw) 26568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 26578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 26588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int entry; 26598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_switch *sw = hw->ksz_switch; 26608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Read 16 VLAN entries from device's VLAN table. */ 26628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (entry = 0; entry < VLAN_TABLE_ENTRIES; entry++) { 26638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_r_vlan_table(hw, entry, 26648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &sw->vlan_table[entry].vid, 26658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &sw->vlan_table[entry].fid, 26668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &sw->vlan_table[entry].member); 26678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 26688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < TOTAL_PORT_NUM; port++) { 26708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_get_def_vid(hw, port, &sw->port_cfg[port].vid); 26718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->port_cfg[port].member = PORT_MASK; 26728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 26738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 26748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 26768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_cfg_port_base_vlan - configure port-based VLAN membership 26778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 26788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 26798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @member: The port-based VLAN membership. 26808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 26818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine configures the port-based VLAN membership of the port. 26828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 26838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_cfg_port_base_vlan(struct ksz_hw *hw, int port, u8 member) 26848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 26858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 addr; 26868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 data; 26878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_CTRL_ADDR(port, addr); 26898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha addr += KS8842_PORT_CTRL_2_OFFSET; 26908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readb(hw->io + addr); 26928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PORT_VLAN_MEMBERSHIP; 26938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= (member & PORT_MASK); 26948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writeb(data, hw->io + addr); 26958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->ksz_switch->port_cfg[port].member = member; 26978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 26988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 26998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 27008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_get_addr - get the switch MAC address. 27018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 27028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mac_addr: Buffer to store the MAC address. 27038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 27048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function retrieves the MAC address of the switch. 27058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 27068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void sw_get_addr(struct ksz_hw *hw, u8 *mac_addr) 27078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 27088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 27098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < 6; i += 2) { 27118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr[i] = readb(hw->io + KS8842_MAC_ADDR_0_OFFSET + i); 27128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr[1 + i] = readb(hw->io + KS8842_MAC_ADDR_1_OFFSET + i); 27138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 27148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 27158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 27178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_set_addr - configure switch MAC address 27188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 27198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mac_addr: The MAC address. 27208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 27218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function configures the MAC address of the switch. 27228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 27238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_set_addr(struct ksz_hw *hw, u8 *mac_addr) 27248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 27258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 27268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < 6; i += 2) { 27288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writeb(mac_addr[i], hw->io + KS8842_MAC_ADDR_0_OFFSET + i); 27298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writeb(mac_addr[1 + i], hw->io + KS8842_MAC_ADDR_1_OFFSET + i); 27308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 27318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 27328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 27348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_set_global_ctrl - set switch global control 27358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 27368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 27378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine sets the global control of the switch function. 27388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 27398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_set_global_ctrl(struct ksz_hw *hw) 27408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 27418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 27428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Enable switch MII flow control. */ 27448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS8842_SWITCH_CTRL_3_OFFSET); 27458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= SWITCH_FLOW_CTRL; 27468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS8842_SWITCH_CTRL_3_OFFSET); 27478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS8842_SWITCH_CTRL_1_OFFSET); 27498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Enable aggressive back off algorithm in half duplex mode. */ 27518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= SWITCH_AGGR_BACKOFF; 27528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Enable automatic fast aging when link changed detected. */ 27548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= SWITCH_AGING_ENABLE; 27558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= SWITCH_LINK_AUTO_AGING; 27568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->overrides & FAST_AGING) 27588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= SWITCH_FAST_AGING; 27598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 27608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~SWITCH_FAST_AGING; 27618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS8842_SWITCH_CTRL_1_OFFSET); 27628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS8842_SWITCH_CTRL_2_OFFSET); 27648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Enable no excessive collision drop. */ 27668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= NO_EXC_COLLISION_DROP; 27678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS8842_SWITCH_CTRL_2_OFFSET); 27688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 27698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Haenum { 27718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha STP_STATE_DISABLED = 0, 27728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha STP_STATE_LISTENING, 27738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha STP_STATE_LEARNING, 27748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha STP_STATE_FORWARDING, 27758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha STP_STATE_BLOCKED, 27768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha STP_STATE_SIMPLE 27778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 27788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 27808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_set_stp_state - configure port spanning tree state 27818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 27828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port index. 27838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @state: The spanning tree state. 27848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 27858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine configures the spanning tree state of the port. 27868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 27878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_set_stp_state(struct ksz_hw *hw, int port, int state) 27888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 27898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 27908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 27918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r16(hw, port, KS8842_PORT_CTRL_2_OFFSET, &data); 27928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha switch (state) { 27938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case STP_STATE_DISABLED: 27948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~(PORT_TX_ENABLE | PORT_RX_ENABLE); 27958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_LEARN_DISABLE; 27968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 27978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case STP_STATE_LISTENING: 27988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 27998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * No need to turn on transmit because of port direct mode. 28008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Turning on receive is required if static MAC table is not setup. 28018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 28028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PORT_TX_ENABLE; 28038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_RX_ENABLE; 28048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_LEARN_DISABLE; 28058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 28068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case STP_STATE_LEARNING: 28078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PORT_TX_ENABLE; 28088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_RX_ENABLE; 28098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PORT_LEARN_DISABLE; 28108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 28118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case STP_STATE_FORWARDING: 28128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= (PORT_TX_ENABLE | PORT_RX_ENABLE); 28138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PORT_LEARN_DISABLE; 28148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 28158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case STP_STATE_BLOCKED: 28168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 28178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Need to setup static MAC table with override to keep receiving BPDU 28188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * messages. See sw_init_stp routine. 28198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 28208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~(PORT_TX_ENABLE | PORT_RX_ENABLE); 28218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_LEARN_DISABLE; 28228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 28238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case STP_STATE_SIMPLE: 28248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= (PORT_TX_ENABLE | PORT_RX_ENABLE); 28258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_LEARN_DISABLE; 28268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 28278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 28288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_w16(hw, port, KS8842_PORT_CTRL_2_OFFSET, data); 28298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->ksz_switch->port_cfg[port].stp_state = state; 28308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 28318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 28328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STP_ENTRY 0 28338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BROADCAST_ENTRY 1 28348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define BRIDGE_ADDR_ENTRY 2 28358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define IPV6_ADDR_ENTRY 3 28368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 28378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 28388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_clr_sta_mac_table - clear static MAC table 28398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 28408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 28418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine clears the static MAC table. 28428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 28438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_clr_sta_mac_table(struct ksz_hw *hw) 28448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 28458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_mac_table *entry; 28468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 28478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 28488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < STATIC_MAC_TABLE_ENTRIES; i++) { 28498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry = &hw->ksz_switch->mac_table[i]; 28508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_w_sta_mac_table(hw, i, 28518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr, entry->ports, 28528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->override, 0, 28538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->use_fid, entry->fid); 28548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 28558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 28568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 28578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 28588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_init_stp - initialize switch spanning tree support 28598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 28608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 28618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine initializes the spanning tree support of the switch. 28628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 28638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_init_stp(struct ksz_hw *hw) 28648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 28658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_mac_table *entry; 28668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 28678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry = &hw->ksz_switch->mac_table[STP_ENTRY]; 28688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr[0] = 0x01; 28698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr[1] = 0x80; 28708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr[2] = 0xC2; 28718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr[3] = 0x00; 28728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr[4] = 0x00; 28738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr[5] = 0x00; 28748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->ports = HOST_MASK; 28758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->override = 1; 28768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->valid = 1; 28778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_w_sta_mac_table(hw, STP_ENTRY, 28788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr, entry->ports, 28798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->override, entry->valid, 28808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->use_fid, entry->fid); 28818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 28828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 28838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 28848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_block_addr - block certain packets from the host port 28858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 28868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 28878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine blocks certain packets from reaching to the host port. 28888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 28898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_block_addr(struct ksz_hw *hw) 28908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 28918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_mac_table *entry; 28928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 28938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 28948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = BROADCAST_ENTRY; i <= IPV6_ADDR_ENTRY; i++) { 28958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry = &hw->ksz_switch->mac_table[i]; 28968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->valid = 0; 28978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_w_sta_mac_table(hw, i, 28988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->mac_addr, entry->ports, 28998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->override, entry->valid, 29008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha entry->use_fid, entry->fid); 29018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 29028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_LINK_SUPPORT \ 29058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (PHY_AUTO_NEG_ASYM_PAUSE | \ 29068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_AUTO_NEG_SYM_PAUSE | \ 29078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_AUTO_NEG_100BT4 | \ 29088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_AUTO_NEG_100BTX_FD | \ 29098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_AUTO_NEG_100BTX | \ 29108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_AUTO_NEG_10BT_FD | \ 29118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_AUTO_NEG_10BT) 29128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_r_phy_ctrl(struct ksz_hw *hw, int phy, u16 *data) 29148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readw(hw->io + phy + KS884X_PHY_CTRL_OFFSET); 29168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_w_phy_ctrl(struct ksz_hw *hw, int phy, u16 data) 29198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + phy + KS884X_PHY_CTRL_OFFSET); 29218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_r_phy_link_stat(struct ksz_hw *hw, int phy, u16 *data) 29248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readw(hw->io + phy + KS884X_PHY_STATUS_OFFSET); 29268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_r_phy_auto_neg(struct ksz_hw *hw, int phy, u16 *data) 29298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readw(hw->io + phy + KS884X_PHY_AUTO_NEG_OFFSET); 29318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_w_phy_auto_neg(struct ksz_hw *hw, int phy, u16 data) 29348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + phy + KS884X_PHY_AUTO_NEG_OFFSET); 29368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_r_phy_rem_cap(struct ksz_hw *hw, int phy, u16 *data) 29398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readw(hw->io + phy + KS884X_PHY_REMOTE_CAP_OFFSET); 29418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_r_phy_crossover(struct ksz_hw *hw, int phy, u16 *data) 29448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readw(hw->io + phy + KS884X_PHY_CTRL_OFFSET); 29468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_w_phy_crossover(struct ksz_hw *hw, int phy, u16 data) 29498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + phy + KS884X_PHY_CTRL_OFFSET); 29518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_r_phy_polarity(struct ksz_hw *hw, int phy, u16 *data) 29548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readw(hw->io + phy + KS884X_PHY_PHY_CTRL_OFFSET); 29568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_w_phy_polarity(struct ksz_hw *hw, int phy, u16 data) 29598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + phy + KS884X_PHY_PHY_CTRL_OFFSET); 29618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_r_phy_link_md(struct ksz_hw *hw, int phy, u16 *data) 29648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data = readw(hw->io + phy + KS884X_PHY_LINK_MD_OFFSET); 29668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_w_phy_link_md(struct ksz_hw *hw, int phy, u16 data) 29698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + phy + KS884X_PHY_LINK_MD_OFFSET); 29718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 29748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_r_phy - read data from PHY register 29758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 29768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: Port to read. 29778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @reg: PHY register to read. 29788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @val: Buffer to store the read data. 29798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 29808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine reads data from the PHY register. 29818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 29828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_r_phy(struct ksz_hw *hw, int port, u16 reg, u16 *val) 29838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 29848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int phy; 29858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha phy = KS884X_PHY_1_CTRL_OFFSET + port * PHY_CTRL_INTERVAL + reg; 29878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *val = readw(hw->io + phy); 29888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 29898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 29908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 29918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_w_phy - write data to PHY register 29928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 29938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: Port to write. 29948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @reg: PHY register to write. 29958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @val: Word data to write. 29968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 29978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine writes data to the PHY register. 29988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 29998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_w_phy(struct ksz_hw *hw, int port, u16 reg, u16 val) 30008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 30018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int phy; 30028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha phy = KS884X_PHY_1_CTRL_OFFSET + port * PHY_CTRL_INTERVAL + reg; 30048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(val, hw->io + phy); 30058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 30068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 30088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * EEPROM access functions 30098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 30108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define AT93C_CODE 0 30128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define AT93C_WR_OFF 0x00 30138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define AT93C_WR_ALL 0x10 30148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define AT93C_ER_ALL 0x20 30158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define AT93C_WR_ON 0x30 30168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define AT93C_WRITE 1 30188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define AT93C_READ 2 30198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define AT93C_ERASE 3 30208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DELAY 4 30228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void drop_gpio(struct ksz_hw *hw, u8 gpio) 30248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 30258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 30268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS884X_EEPROM_CTRL_OFFSET); 30288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~gpio; 30298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS884X_EEPROM_CTRL_OFFSET); 30308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 30318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void raise_gpio(struct ksz_hw *hw, u8 gpio) 30338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 30348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 30358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS884X_EEPROM_CTRL_OFFSET); 30378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= gpio; 30388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS884X_EEPROM_CTRL_OFFSET); 30398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 30408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline u8 state_gpio(struct ksz_hw *hw, u8 gpio) 30428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 30438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 30448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS884X_EEPROM_CTRL_OFFSET); 30468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return (u8)(data & gpio); 30478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 30488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void eeprom_clk(struct ksz_hw *hw) 30508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 30518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_SERIAL_CLOCK); 30528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(EEPROM_DELAY); 30538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_SERIAL_CLOCK); 30548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(EEPROM_DELAY); 30558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 30568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic u16 spi_r(struct ksz_hw *hw) 30588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 30598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 30608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 temp = 0; 30618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 15; i >= 0; i--) { 30638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_SERIAL_CLOCK); 30648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(EEPROM_DELAY); 30658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha temp |= (state_gpio(hw, EEPROM_DATA_IN)) ? 1 << i : 0; 30678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_SERIAL_CLOCK); 30698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(EEPROM_DELAY); 30708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 30718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return temp; 30728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 30738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void spi_w(struct ksz_hw *hw, u16 data) 30758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 30768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 30778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 15; i >= 0; i--) { 30798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (data & (0x01 << i)) ? raise_gpio(hw, EEPROM_DATA_OUT) : 30808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_DATA_OUT); 30818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom_clk(hw); 30828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 30838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 30848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void spi_reg(struct ksz_hw *hw, u8 data, u8 reg) 30868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 30878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 30888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Initial start bit */ 30908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_DATA_OUT); 30918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom_clk(hw); 30928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 30938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* AT93C operation */ 30948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 1; i >= 0; i--) { 30958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (data & (0x01 << i)) ? raise_gpio(hw, EEPROM_DATA_OUT) : 30968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_DATA_OUT); 30978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom_clk(hw); 30988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 30998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Address location */ 31018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 5; i >= 0; i--) { 31028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (reg & (0x01 << i)) ? raise_gpio(hw, EEPROM_DATA_OUT) : 31038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_DATA_OUT); 31048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom_clk(hw); 31058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 31068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 31078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_RESERVED 0 31098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_MAC_ADDR_0 1 31108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_MAC_ADDR_1 2 31118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_MAC_ADDR_2 3 31128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_SUBSYS_ID 4 31138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_SUBSYS_VEN_ID 5 31148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_PM_CAP 6 31158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* User defined EEPROM data */ 31178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_DATA_OTHER_MAC_ADDR 9 31188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 31208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * eeprom_read - read from AT93C46 EEPROM 31218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 31228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @reg: The register offset. 31238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 31248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function reads a word from the AT93C46 EEPROM. 31258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 31268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return the data value. 31278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 31288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic u16 eeprom_read(struct ksz_hw *hw, u8 reg) 31298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 31308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 31318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_ACCESS_ENABLE | EEPROM_CHIP_SELECT); 31338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spi_reg(hw, AT93C_READ, reg); 31358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = spi_r(hw); 31368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_ACCESS_ENABLE | EEPROM_CHIP_SELECT); 31388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return data; 31408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 31418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 31438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * eeprom_write - write to AT93C46 EEPROM 31448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 31458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @reg: The register offset. 31468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: The data value. 31478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 31488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure writes a word to the AT93C46 EEPROM. 31498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 31508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void eeprom_write(struct ksz_hw *hw, u8 reg, u16 data) 31518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 31528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int timeout; 31538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_ACCESS_ENABLE | EEPROM_CHIP_SELECT); 31558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Enable write. */ 31578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spi_reg(hw, AT93C_CODE, AT93C_WR_ON); 31588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_CHIP_SELECT); 31598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(1); 31608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Erase the register. */ 31628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_CHIP_SELECT); 31638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spi_reg(hw, AT93C_ERASE, reg); 31648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_CHIP_SELECT); 31658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(1); 31668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Check operation complete. */ 31688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_CHIP_SELECT); 31698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha timeout = 8; 31708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mdelay(2); 31718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { 31728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mdelay(1); 31738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (!state_gpio(hw, EEPROM_DATA_IN) && --timeout); 31748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_CHIP_SELECT); 31758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(1); 31768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Write the register. */ 31788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_CHIP_SELECT); 31798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spi_reg(hw, AT93C_WRITE, reg); 31808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spi_w(hw, data); 31818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_CHIP_SELECT); 31828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(1); 31838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Check operation complete. */ 31858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_CHIP_SELECT); 31868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha timeout = 8; 31878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mdelay(2); 31888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { 31898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mdelay(1); 31908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (!state_gpio(hw, EEPROM_DATA_IN) && --timeout); 31918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_CHIP_SELECT); 31928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha udelay(1); 31938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Disable write. */ 31958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha raise_gpio(hw, EEPROM_CHIP_SELECT); 31968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spi_reg(hw, AT93C_CODE, AT93C_WR_OFF); 31978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 31988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha drop_gpio(hw, EEPROM_ACCESS_ENABLE | EEPROM_CHIP_SELECT); 31998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 32008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 32028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Link detection routines 32038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 32048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic u16 advertised_flow_ctrl(struct ksz_port *port, u16 ctrl) 32068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 32078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ctrl &= ~PORT_AUTO_NEG_SYM_PAUSE; 32088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha switch (port->flow_ctrl) { 32098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case PHY_FLOW_CTRL: 32108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ctrl |= PORT_AUTO_NEG_SYM_PAUSE; 32118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 32128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Not supported. */ 32138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case PHY_TX_ONLY: 32148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case PHY_RX_ONLY: 32158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha default: 32168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 32178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 32188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return ctrl; 32198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 32208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void set_flow_ctrl(struct ksz_hw *hw, int rx, int tx) 32228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 32238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 rx_cfg; 32248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 tx_cfg; 32258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rx_cfg = hw->rx_cfg; 32278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tx_cfg = hw->tx_cfg; 32288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (rx) 32298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg |= DMA_RX_FLOW_ENABLE; 32308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 32318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg &= ~DMA_RX_FLOW_ENABLE; 32328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (tx) 32338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_cfg |= DMA_TX_FLOW_ENABLE; 32348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 32358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_cfg &= ~DMA_TX_FLOW_ENABLE; 32368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->enabled) { 32378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (rx_cfg != hw->rx_cfg) 32388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(hw->rx_cfg, hw->io + KS_DMA_RX_CTRL); 32398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (tx_cfg != hw->tx_cfg) 32408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(hw->tx_cfg, hw->io + KS_DMA_TX_CTRL); 32418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 32428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 32438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void determine_flow_ctrl(struct ksz_hw *hw, struct ksz_port *port, 32458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 local, u16 remote) 32468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 32478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rx; 32488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int tx; 32498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->overrides & PAUSE_FLOW_CTRL) 32518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return; 32528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rx = tx = 0; 32548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (port->force_link) 32558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rx = tx = 1; 32568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (remote & PHY_AUTO_NEG_SYM_PAUSE) { 32578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (local & PHY_AUTO_NEG_SYM_PAUSE) { 32588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rx = tx = 1; 32598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else if ((remote & PHY_AUTO_NEG_ASYM_PAUSE) && 32608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (local & PHY_AUTO_NEG_PAUSE) == 32618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PHY_AUTO_NEG_ASYM_PAUSE) { 32628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tx = 1; 32638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 32648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else if (remote & PHY_AUTO_NEG_ASYM_PAUSE) { 32658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if ((local & PHY_AUTO_NEG_PAUSE) == PHY_AUTO_NEG_PAUSE) 32668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rx = 1; 32678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 32688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw->ksz_switch) 32698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_flow_ctrl(hw, rx, tx); 32708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 32718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void port_cfg_change(struct ksz_hw *hw, struct ksz_port *port, 32738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_info *info, u16 link_status) 32748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 32758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if ((hw->features & HALF_DUPLEX_SIGNAL_BUG) && 32768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha !(hw->overrides & PAUSE_FLOW_CTRL)) { 32778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 cfg = hw->tx_cfg; 32788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Disable flow control in the half duplex mode. */ 32808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (1 == info->duplex) 32818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_cfg &= ~DMA_TX_FLOW_ENABLE; 32828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->enabled && cfg != hw->tx_cfg) 32838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(hw->tx_cfg, hw->io + KS_DMA_TX_CTRL); 32848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 32858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 32868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 32878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 32888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_get_link_speed - get current link status 32898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port instance. 32908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 32918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine reads PHY registers to determine the current link status of the 32928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * switch ports. 32938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 32948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_get_link_speed(struct ksz_port *port) 32958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 32968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint interrupt; 32978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_info *info; 32988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_info *linked = NULL; 32998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = port->hw; 33008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 33018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 status; 33028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 local; 33038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 remote; 33048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 33058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p; 33068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int change = 0; 33078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha interrupt = hw_block_intr(hw); 33098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, p = port->first_port; i < port->port_cnt; i++, p++) { 33118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info = &hw->port_info[p]; 33128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r16(hw, p, KS884X_PORT_CTRL_4_OFFSET, &data); 33138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r16(hw, p, KS884X_PORT_STATUS_OFFSET, &status); 33148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 33168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Link status is changing all the time even when there is no 33178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * cable connection! 33188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 33198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha remote = status & (PORT_AUTO_NEG_COMPLETE | 33208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_STATUS_LINK_GOOD); 33218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha local = (u8) data; 33228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* No change to status. */ 33248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (local == info->advertised && remote == info->partner) 33258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha continue; 33268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->advertised = local; 33288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->partner = remote; 33298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status & PORT_STATUS_LINK_GOOD) { 33308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Remember the first linked port. */ 33328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!linked) 33338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha linked = info; 33348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->tx_rate = 10 * TX_RATE_UNIT; 33368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status & PORT_STATUS_SPEED_100MBIT) 33378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->tx_rate = 100 * TX_RATE_UNIT; 33388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->duplex = 1; 33408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status & PORT_STATUS_FULL_DUPLEX) 33418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->duplex = 2; 33428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (media_connected != info->state) { 33448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_r_phy(hw, p, KS884X_PHY_AUTO_NEG_OFFSET, 33458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &data); 33468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_r_phy(hw, p, KS884X_PHY_REMOTE_CAP_OFFSET, 33478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &status); 33488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha determine_flow_ctrl(hw, port, data, status); 33498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->ksz_switch) { 33508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_back_pressure(hw, p, 33518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (1 == info->duplex)); 33528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 33538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha change |= 1 << i; 33548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg_change(hw, port, info, status); 33558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 33568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->state = media_connected; 33578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 33588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (media_disconnected != info->state) { 33598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha change |= 1 << i; 33608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Indicate the link just goes down. */ 33628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_mib[p].link_down = 1; 33638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 33648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->state = media_disconnected; 33658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 33668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_mib[p].state = (u8) info->state; 33678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 33688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (linked && media_disconnected == port->linked->state) 33708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->linked = linked; 33718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_restore_intr(hw, interrupt); 33738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 33748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PHY_RESET_TIMEOUT 10 33768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 33788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_set_link_speed - set port speed 33798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port instance. 33808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 33818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine sets the link speed of the switch ports. 33828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 33838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_set_link_speed(struct ksz_port *port) 33848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 33858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_info *info; 33868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = port->hw; 33878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 33888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 cfg; 33898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 status; 33908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 33918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p; 33928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, p = port->first_port; i < port->port_cnt; i++, p++) { 33948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info = &hw->port_info[p]; 33958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r16(hw, p, KS884X_PORT_CTRL_4_OFFSET, &data); 33978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_r8(hw, p, KS884X_PORT_STATUS_OFFSET, &status); 33988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 33998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cfg = 0; 34008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status & PORT_STATUS_LINK_GOOD) 34018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cfg = data; 34028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_AUTO_NEG_ENABLE; 34048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = advertised_flow_ctrl(port, data); 34058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_AUTO_NEG_100BTX_FD | PORT_AUTO_NEG_100BTX | 34078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_AUTO_NEG_10BT_FD | PORT_AUTO_NEG_10BT; 34088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Check if manual configuration is specified by the user. */ 34108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (port->speed || port->duplex) { 34118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (10 == port->speed) 34128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~(PORT_AUTO_NEG_100BTX_FD | 34138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_AUTO_NEG_100BTX); 34148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (100 == port->speed) 34158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~(PORT_AUTO_NEG_10BT_FD | 34168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_AUTO_NEG_10BT); 34178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (1 == port->duplex) 34188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~(PORT_AUTO_NEG_100BTX_FD | 34198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_AUTO_NEG_10BT_FD); 34208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (2 == port->duplex) 34218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~(PORT_AUTO_NEG_100BTX | 34228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PORT_AUTO_NEG_10BT); 34238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 34248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (data != cfg) { 34258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PORT_AUTO_NEG_RESTART; 34268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_w16(hw, p, KS884X_PORT_CTRL_4_OFFSET, data); 34278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 34288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 34298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 34308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 34328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * port_force_link_speed - force port speed 34338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @port: The port instance. 34348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 34358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine forces the link speed of the switch ports. 34368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 34378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_force_link_speed(struct ksz_port *port) 34388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 34398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = port->hw; 34408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 34418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 34428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int phy; 34438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p; 34448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, p = port->first_port; i < port->port_cnt; i++, p++) { 34468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha phy = KS884X_PHY_1_CTRL_OFFSET + p * PHY_CTRL_INTERVAL; 34478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_r_phy_ctrl(hw, phy, &data); 34488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PHY_AUTO_NEG_ENABLE; 34508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (10 == port->speed) 34528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PHY_SPEED_100MBIT; 34538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (100 == port->speed) 34548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PHY_SPEED_100MBIT; 34558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (1 == port->duplex) 34568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PHY_FULL_DUPLEX; 34578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (2 == port->duplex) 34588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PHY_FULL_DUPLEX; 34598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_w_phy_ctrl(hw, phy, data); 34608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 34618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 34628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void port_set_power_saving(struct ksz_port *port, int enable) 34648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 34658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = port->hw; 34668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 34678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p; 34688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, p = port->first_port; i < port->port_cnt; i++, p++) 34708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_cfg(hw, p, 34718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS884X_PORT_CTRL_4_OFFSET, PORT_POWER_DOWN, enable); 34728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 34738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 34758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * KSZ8841 power management functions 34768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 34778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 34798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_chk_wol_pme_status - check PMEN pin 34808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 34818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 34828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function is used to check PMEN pin is asserted. 34838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 34848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 1 if PMEN pin is asserted; otherwise, 0. 34858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 34868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int hw_chk_wol_pme_status(struct ksz_hw *hw) 34878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 34888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = container_of(hw, struct dev_info, hw); 34898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct pci_dev *pdev = hw_priv->pdev; 34908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 34918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!pdev->pm_cap) 34938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 34948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_read_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, &data); 34958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return (data & PCI_PM_CTRL_PME_STATUS) == PCI_PM_CTRL_PME_STATUS; 34968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 34978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 34988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 34998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_clr_wol_pme_status - clear PMEN pin 35008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 35018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 35028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to clear PME_Status to deassert PMEN pin. 35038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 35048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_clr_wol_pme_status(struct ksz_hw *hw) 35058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 35068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = container_of(hw, struct dev_info, hw); 35078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct pci_dev *pdev = hw_priv->pdev; 35088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 35098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!pdev->pm_cap) 35118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return; 35128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Clear PME_Status to deassert PMEN pin. */ 35148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_read_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, &data); 35158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PCI_PM_CTRL_PME_STATUS; 35168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, data); 35178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 35188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 35208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_cfg_wol_pme - enable or disable Wake-on-LAN 35218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 35228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @set: The flag indicating whether to enable or disable. 35238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 35248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to enable or disable Wake-on-LAN. 35258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 35268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_cfg_wol_pme(struct ksz_hw *hw, int set) 35278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 35288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = container_of(hw, struct dev_info, hw); 35298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct pci_dev *pdev = hw_priv->pdev; 35308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 35318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!pdev->pm_cap) 35338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return; 35348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_read_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, &data); 35358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PCI_PM_CTRL_STATE_MASK; 35368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (set) 35378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= PCI_PM_CTRL_PME_ENABLE | PCI_D3hot; 35388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 35398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~PCI_PM_CTRL_PME_ENABLE; 35408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, data); 35418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 35428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 35448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_cfg_wol - configure Wake-on-LAN features 35458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 35468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @frame: The pattern frame bit. 35478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @set: The flag indicating whether to enable or disable. 35488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 35498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to enable or disable certain Wake-on-LAN features. 35508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 35518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_cfg_wol(struct ksz_hw *hw, u16 frame, int set) 35528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 35538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 35548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS8841_WOL_CTRL_OFFSET); 35568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (set) 35578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= frame; 35588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 35598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~frame; 35608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS8841_WOL_CTRL_OFFSET); 35618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 35628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 35648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_set_wol_frame - program Wake-on-LAN pattern 35658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 35668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @i: The frame index. 35678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mask_size: The size of the mask. 35688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @mask: Mask to ignore certain bytes in the pattern. 35698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @frame_size: The size of the frame. 35708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @pattern: The frame data. 35718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 35728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to program Wake-on-LAN pattern. 35738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 35748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_set_wol_frame(struct ksz_hw *hw, int i, uint mask_size, 35758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 *mask, uint frame_size, u8 *pattern) 35768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 35778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int bits; 35788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int from; 35798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int len; 35808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int to; 35818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 crc; 35828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 data[64]; 35838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 val = 0; 35848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (frame_size > mask_size * 8) 35868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha frame_size = mask_size * 8; 35878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (frame_size > 64) 35888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha frame_size = 64; 35898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha i *= 0x10; 35918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(0, hw->io + KS8841_WOL_FRAME_BYTE0_OFFSET + i); 35928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(0, hw->io + KS8841_WOL_FRAME_BYTE2_OFFSET + i); 35938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 35948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha bits = len = from = to = 0; 35958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { 35968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (bits) { 35978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if ((val & 1)) 35988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data[to++] = pattern[from]; 35998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha val >>= 1; 36008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++from; 36018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha --bits; 36028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 36038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha val = mask[len]; 36048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writeb(val, hw->io + KS8841_WOL_FRAME_BYTE0_OFFSET + i 36058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha + len); 36068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++len; 36078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (val) 36088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha bits = 8; 36098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 36108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha from += 8; 36118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 36128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (from < (int) frame_size); 36138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (val) { 36148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha bits = mask[len - 1]; 36158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha val <<= (from % 8); 36168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha bits &= ~val; 36178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writeb(bits, hw->io + KS8841_WOL_FRAME_BYTE0_OFFSET + i + len - 36188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 1); 36198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 36208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha crc = ether_crc(to, data); 36218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(crc, hw->io + KS8841_WOL_FRAME_CRC_OFFSET + i); 36228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 36238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 36258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_add_wol_arp - add ARP pattern 36268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 36278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ip_addr: The IPv4 address assigned to the device. 36288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 36298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to add ARP pattern for waking up the host. 36308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 36318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_add_wol_arp(struct ksz_hw *hw, u8 *ip_addr) 36328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 36338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 mask[6] = { 0x3F, 0xF0, 0x3F, 0x00, 0xC0, 0x03 }; 36348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 pattern[42] = { 36358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 36368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 36378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 0x08, 0x06, 36388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 0x00, 0x01, 0x08, 0x00, 0x06, 0x04, 0x00, 0x01, 36398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 36408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 0x00, 0x00, 0x00, 0x00, 36418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 36428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 0x00, 0x00, 0x00, 0x00 }; 36438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(&pattern[38], ip_addr, 4); 36458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_wol_frame(hw, 3, 6, mask, 42, pattern); 36468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 36478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 36498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_add_wol_bcast - add broadcast pattern 36508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 36518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 36528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to add broadcast pattern for waking up the host. 36538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 36548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_add_wol_bcast(struct ksz_hw *hw) 36558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 36568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 mask[] = { 0x3F }; 36578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 pattern[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 36588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_wol_frame(hw, 2, 1, mask, MAC_ADDR_LEN, pattern); 36608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 36618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 36638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_add_wol_mcast - add multicast pattern 36648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 36658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 36668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to add multicast pattern for waking up the host. 36678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 36688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * It is assumed the multicast packet is the ICMPv6 neighbor solicitation used 36698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * by IPv6 ping command. Note that multicast packets are filtred through the 36708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * multicast hash table, so not all multicast packets can wake up the host. 36718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 36728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_add_wol_mcast(struct ksz_hw *hw) 36738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 36748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 mask[] = { 0x3F }; 36758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 pattern[] = { 0x33, 0x33, 0xFF, 0x00, 0x00, 0x00 }; 36768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(&pattern[3], &hw->override_addr[3], 3); 36788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_wol_frame(hw, 1, 1, mask, 6, pattern); 36798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 36808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 36828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_add_wol_ucast - add unicast pattern 36838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 36848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 36858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to add unicast pattern to wakeup the host. 36868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 36878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * It is assumed the unicast packet is directed to the device, as the hardware 36888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * can only receive them in normal case. 36898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 36908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_add_wol_ucast(struct ksz_hw *hw) 36918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 36928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 mask[] = { 0x3F }; 36938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_wol_frame(hw, 0, 1, mask, MAC_ADDR_LEN, hw->override_addr); 36958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 36968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 36978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 36988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_enable_wol - enable Wake-on-LAN 36998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 37008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @wol_enable: The Wake-on-LAN settings. 37018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @net_addr: The IPv4 address assigned to the device. 37028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 37038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to enable Wake-on-LAN depending on driver settings. 37048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 37058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_enable_wol(struct ksz_hw *hw, u32 wol_enable, u8 *net_addr) 37068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 37078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_wol(hw, KS8841_WOL_MAGIC_ENABLE, (wol_enable & WAKE_MAGIC)); 37088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_wol(hw, KS8841_WOL_FRAME0_ENABLE, (wol_enable & WAKE_UCAST)); 37098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_add_wol_ucast(hw); 37108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_wol(hw, KS8841_WOL_FRAME1_ENABLE, (wol_enable & WAKE_MCAST)); 37118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_add_wol_mcast(hw); 37128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_wol(hw, KS8841_WOL_FRAME2_ENABLE, (wol_enable & WAKE_BCAST)); 37138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_wol(hw, KS8841_WOL_FRAME3_ENABLE, (wol_enable & WAKE_ARP)); 37148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_add_wol_arp(hw, net_addr); 37158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 37168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 37188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_init - check driver is correct for the hardware 37198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 37208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 37218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function checks the hardware is correct for this driver and sets the 37228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hardware up for proper initialization. 37238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 37248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return number of ports or 0 if not right. 37258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 37268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int hw_init(struct ksz_hw *hw) 37278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 37288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc = 0; 37298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 37308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 revision; 37318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Set bus speed to 125MHz. */ 37338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(BUS_SPEED_125_MHZ, hw->io + KS884X_BUS_CTRL_OFFSET); 37348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Check KSZ884x chip ID. */ 37368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS884X_CHIP_ID_OFFSET); 37378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha revision = (data & KS884X_REVISION_MASK) >> KS884X_REVISION_SHIFT; 37398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= KS884X_CHIP_ID_MASK_41; 37408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (REG_CHIP_ID_41 == data) 37418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = 1; 37428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (REG_CHIP_ID_42 == data) 37438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = 2; 37448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 37458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 37468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Setup hardware features or bug workarounds. */ 37488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (revision <= 1) { 37498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->features |= SMALL_PACKET_TX_BUG; 37508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (1 == rc) 37518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->features |= HALF_DUPLEX_SIGNAL_BUG; 37528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 37538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->features |= IPV6_CSUM_GEN_HACK; 37548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return rc; 37558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 37568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 37588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_reset - reset the hardware 37598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 37608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 37618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine resets the hardware. 37628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 37638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_reset(struct ksz_hw *hw) 37648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 37658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(GLOBAL_SOFTWARE_RESET, hw->io + KS884X_GLOBAL_CTRL_OFFSET); 37668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Wait for device to reset. */ 37688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mdelay(10); 37698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Write 0 to clear device reset. */ 37718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(0, hw->io + KS884X_GLOBAL_CTRL_OFFSET); 37728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 37738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 37758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_setup - setup the hardware 37768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 37778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 37788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine setup the hardware for proper operation. 37798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 37808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_setup(struct ksz_hw *hw) 37818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 37828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#if SET_DEFAULT_LED 37838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data; 37848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Change default LED mode. */ 37868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS8842_SWITCH_CTRL_5_OFFSET); 37878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~LED_MODE; 37888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= SET_DEFAULT_LED; 37898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS8842_SWITCH_CTRL_5_OFFSET); 37908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 37918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Setup transmit control. */ 37938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_cfg = (DMA_TX_PAD_ENABLE | DMA_TX_CRC_ENABLE | 37948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (DMA_BURST_DEFAULT << DMA_BURST_SHIFT) | DMA_TX_ENABLE); 37958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 37968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Setup receive control. */ 37978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg = (DMA_RX_BROADCAST | DMA_RX_UNICAST | 37988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (DMA_BURST_DEFAULT << DMA_BURST_SHIFT) | DMA_RX_ENABLE); 37998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg |= KS884X_DMA_RX_MULTICAST; 38008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Hardware cannot handle UDP packet in IP fragments. */ 38028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg |= (DMA_RX_CSUM_TCP | DMA_RX_CSUM_IP); 38038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->all_multi) 38058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg |= DMA_RX_ALL_MULTICAST; 38068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->promiscuous) 38078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg |= DMA_RX_PROMISCUOUS; 38088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 38098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 38118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_setup_intr - setup interrupt mask 38128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 38138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 38148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine setup the interrupt mask for proper operation. 38158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 38168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_setup_intr(struct ksz_hw *hw) 38178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 38188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_mask = KS884X_INT_MASK | KS884X_INT_RX_OVERRUN; 38198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 38208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_check_desc_num(struct ksz_desc_info *info) 38228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 38238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define MIN_DESC_SHIFT 2 38248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int alloc = info->alloc; 38268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int shift; 38278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha shift = 0; 38298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (!(alloc & 1)) { 38308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha shift++; 38318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha alloc >>= 1; 38328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 38338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (alloc != 1 || shift < MIN_DESC_SHIFT) { 38340dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches pr_alert("Hardware descriptor numbers not right!\n"); 38358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (alloc) { 38368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha shift++; 38378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha alloc >>= 1; 38388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 38398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (shift < MIN_DESC_SHIFT) 38408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha shift = MIN_DESC_SHIFT; 38418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha alloc = 1 << shift; 38428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->alloc = alloc; 38438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 38448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->mask = info->alloc - 1; 38458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 38468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_init_desc(struct ksz_desc_info *desc_info, int transmit) 38488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 38498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 38508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 phys = desc_info->ring_phys; 38518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw_desc *desc = desc_info->ring_virt; 38528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *cur = desc_info->ring; 38538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *previous = NULL; 38548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < desc_info->alloc; i++) { 38568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cur->phw = desc++; 38578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha phys += desc_info->size; 38588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha previous = cur++; 38598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha previous->phw->next = cpu_to_le32(phys); 38608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 38618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha previous->phw->next = cpu_to_le32(desc_info->ring_phys); 38628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha previous->sw.buf.rx.end_of_ring = 1; 38638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha previous->phw->buf.data = cpu_to_le32(previous->sw.buf.data); 38648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc_info->avail = desc_info->alloc; 38668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc_info->last = desc_info->next = 0; 38678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc_info->cur = desc_info->ring; 38698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 38708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 38728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_set_desc_base - set descriptor base addresses 38738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 38748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @tx_addr: The transmit descriptor base. 38758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @rx_addr: The receive descriptor base. 38768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 38778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine programs the descriptor base addresses after reset. 38788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 38798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_set_desc_base(struct ksz_hw *hw, u32 tx_addr, u32 rx_addr) 38808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 38818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Set base address of Tx/Rx descriptors. */ 38828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(tx_addr, hw->io + KS_DMA_TX_ADDR); 38838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(rx_addr, hw->io + KS_DMA_RX_ADDR); 38848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 38858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_reset_pkts(struct ksz_desc_info *info) 38878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 38888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->cur = info->ring; 38898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->avail = info->alloc; 38908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->last = info->next = 0; 38918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 38928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void hw_resume_rx(struct ksz_hw *hw) 38948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 38958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(DMA_START, hw->io + KS_DMA_RX_START); 38968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 38978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 38988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 38998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_start_rx - start receiving 39008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 39018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 39028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine starts the receive function of the hardware. 39038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 39048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_start_rx(struct ksz_hw *hw) 39058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 39068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(hw->rx_cfg, hw->io + KS_DMA_RX_CTRL); 39078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Notify when the receive stops. */ 39098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_mask |= KS884X_INT_RX_STOPPED; 39108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(DMA_START, hw->io + KS_DMA_RX_START); 39128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ack_intr(hw, KS884X_INT_RX_STOPPED); 39138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_stop++; 39148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Variable overflows. */ 39168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (0 == hw->rx_stop) 39178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_stop = 2; 39188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 39198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 39218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_stop_rx - stop receiving 39228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 39238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 39248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine stops the receive function of the hardware. 39258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 39268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_stop_rx(struct ksz_hw *hw) 39278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 39288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_stop = 0; 39298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_turn_off_intr(hw, KS884X_INT_RX_STOPPED); 39308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel((hw->rx_cfg & ~DMA_RX_ENABLE), hw->io + KS_DMA_RX_CTRL); 39318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 39328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 39348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_start_tx - start transmitting 39358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 39368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 39378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine starts the transmit function of the hardware. 39388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 39398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_start_tx(struct ksz_hw *hw) 39408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 39418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(hw->tx_cfg, hw->io + KS_DMA_TX_CTRL); 39428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 39438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 39458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_stop_tx - stop transmitting 39468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 39478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 39488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine stops the transmit function of the hardware. 39498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 39508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_stop_tx(struct ksz_hw *hw) 39518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 39528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel((hw->tx_cfg & ~DMA_TX_ENABLE), hw->io + KS_DMA_TX_CTRL); 39538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 39548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 39568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_disable - disable hardware 39578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 39588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 39598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine disables the hardware. 39608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 39618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_disable(struct ksz_hw *hw) 39628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 39638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_stop_rx(hw); 39648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_stop_tx(hw); 39658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->enabled = 0; 39668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 39678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 39698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_enable - enable hardware 39708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 39718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 39728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine enables the hardware. 39738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 39748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_enable(struct ksz_hw *hw) 39758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 39768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_start_tx(hw); 39778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_start_rx(hw); 39788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->enabled = 1; 39798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 39808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 39828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_alloc_pkt - allocate enough descriptors for transmission 39838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 39848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @length: The length of the packet. 39858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @physical: Number of descriptors required. 39868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 39878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function allocates descriptors for transmission. 39888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 39898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if not successful; 1 for buffer copy; or number of descriptors. 39908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 39918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int hw_alloc_pkt(struct ksz_hw *hw, int length, int physical) 39928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 39938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Always leave one descriptor free. */ 39948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->tx_desc_info.avail <= 1) 39958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 39968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 39978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Allocate a descriptor for transmission and mark it current. */ 39988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha get_tx_pkt(&hw->tx_desc_info, &hw->tx_desc_info.cur); 39998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.cur->sw.buf.tx.first_seg = 1; 40008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Keep track of number of transmit descriptors used so far. */ 40028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++hw->tx_int_cnt; 40038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_size += length; 40048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Cannot hold on too much data. */ 40068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->tx_size >= MAX_TX_HELD_SIZE) 40078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_cnt = hw->tx_int_mask + 1; 40088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (physical > hw->tx_desc_info.avail) 40108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 1; 40118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return hw->tx_desc_info.avail; 40138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 40148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 40168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_send_pkt - mark packet for transmission 40178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 40188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 40198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine marks the packet for transmission in PCI version. 40208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 40218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_send_pkt(struct ksz_hw *hw) 40228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 40238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *cur = hw->tx_desc_info.cur; 40248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cur->sw.buf.tx.last_seg = 1; 40268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Interrupt only after specified number of descriptors used. */ 40288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->tx_int_cnt > hw->tx_int_mask) { 40298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cur->sw.buf.tx.intr = 1; 40308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_cnt = 0; 40318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_size = 0; 40328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 40338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* KSZ8842 supports port directed transmission. */ 40358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cur->sw.buf.tx.dest_port = hw->dst_ports; 40368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_desc(cur); 40388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(0, hw->io + KS_DMA_TX_START); 40408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 40418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int empty_addr(u8 *addr) 40438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 40448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 *addr1 = (u32 *) addr; 40458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 *addr2 = (u16 *) &addr[4]; 40468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0 == *addr1 && 0 == *addr2; 40488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 40498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 40518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_set_addr - set MAC address 40528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 40538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 40548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine programs the MAC address of the hardware when the address is 40558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * overrided. 40568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 40578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_set_addr(struct ksz_hw *hw) 40588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 40598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 40608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < MAC_ADDR_LEN; i++) 40628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writeb(hw->override_addr[MAC_ADDR_ORDER(i)], 40638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->io + KS884X_ADDR_0_OFFSET + i); 40648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_set_addr(hw, hw->override_addr); 40668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 40678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 40698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_read_addr - read MAC address 40708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 40718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 40728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine retrieves the MAC address of the hardware. 40738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 40748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_read_addr(struct ksz_hw *hw) 40758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 40768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 40778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < MAC_ADDR_LEN; i++) 40798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->perm_addr[MAC_ADDR_ORDER(i)] = readb(hw->io + 40808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS884X_ADDR_0_OFFSET + i); 40818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw->mac_override) { 40838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(hw->override_addr, hw->perm_addr, MAC_ADDR_LEN); 40848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (empty_addr(hw->override_addr)) { 40858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(hw->perm_addr, DEFAULT_MAC_ADDRESS, 40868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha MAC_ADDR_LEN); 40878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(hw->override_addr, DEFAULT_MAC_ADDRESS, 40888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha MAC_ADDR_LEN); 40898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->override_addr[5] += hw->id; 40908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_addr(hw); 40918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 40928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 40938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 40948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 40958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_ena_add_addr(struct ksz_hw *hw, int index, u8 *mac_addr) 40968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 40978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 40988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 mac_addr_lo; 40998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 mac_addr_hi; 41008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr_hi = 0; 41028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < 2; i++) { 41038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr_hi <<= 8; 41048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr_hi |= mac_addr[i]; 41058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 41068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr_hi |= ADD_ADDR_ENABLE; 41078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr_lo = 0; 41088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 2; i < 6; i++) { 41098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr_lo <<= 8; 41108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mac_addr_lo |= mac_addr[i]; 41118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 41128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha index *= ADD_ADDR_INCR; 41138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(mac_addr_lo, hw->io + index + KS_ADD_ADDR_0_LO); 41158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(mac_addr_hi, hw->io + index + KS_ADD_ADDR_0_HI); 41168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 41178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_set_add_addr(struct ksz_hw *hw) 41198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 41208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 41218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < ADDITIONAL_ENTRIES; i++) { 41238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (empty_addr(hw->address[i])) 41248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(0, hw->io + ADD_ADDR_INCR * i + 41258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_ADD_ADDR_0_HI); 41268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 41278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ena_add_addr(hw, i, hw->address[i]); 41288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 41298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 41308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int hw_add_addr(struct ksz_hw *hw, u8 *mac_addr) 41328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 41338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 41348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int j = ADDITIONAL_ENTRIES; 41358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!memcmp(hw->override_addr, mac_addr, MAC_ADDR_LEN)) 41378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 41388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->addr_list_size; i++) { 41398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!memcmp(hw->address[i], mac_addr, MAC_ADDR_LEN)) 41408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 41418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (ADDITIONAL_ENTRIES == j && empty_addr(hw->address[i])) 41428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha j = i; 41438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 41448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (j < ADDITIONAL_ENTRIES) { 41458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(hw->address[j], mac_addr, MAC_ADDR_LEN); 41468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ena_add_addr(hw, j, hw->address[j]); 41478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 41488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 41498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -1; 41508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 41518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int hw_del_addr(struct ksz_hw *hw, u8 *mac_addr) 41538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 41548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 41558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->addr_list_size; i++) { 41578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!memcmp(hw->address[i], mac_addr, MAC_ADDR_LEN)) { 41588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset(hw->address[i], 0, MAC_ADDR_LEN); 41598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(0, hw->io + ADD_ADDR_INCR * i + 41608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_ADD_ADDR_0_HI); 41618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 41628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 41638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 41648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -1; 41658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 41668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 41688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_clr_multicast - clear multicast addresses 41698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 41708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 41718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine removes all multicast addresses set in the hardware. 41728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 41738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_clr_multicast(struct ksz_hw *hw) 41748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 41758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 41768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < HW_MULTICAST_SIZE; i++) { 41788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->multi_bits[i] = 0; 41798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writeb(0, hw->io + KS884X_MULTICAST_0_OFFSET + i); 41818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 41828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 41838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 41858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_set_grp_addr - set multicast addresses 41868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 41878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 41888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine programs multicast addresses for the hardware to accept those 41898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * addresses. 41908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 41918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_set_grp_addr(struct ksz_hw *hw) 41928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 41938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 41948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int index; 41958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int position; 41968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int value; 41978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 41988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset(hw->multi_bits, 0, sizeof(u8) * HW_MULTICAST_SIZE); 41998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->multi_list_size; i++) { 42018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha position = (ether_crc(6, hw->multi_list[i]) >> 26) & 0x3f; 42028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha index = position >> 3; 42038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha value = 1 << (position & 7); 42048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->multi_bits[index] |= (u8) value; 42058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 42068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < HW_MULTICAST_SIZE; i++) 42088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writeb(hw->multi_bits[i], hw->io + KS884X_MULTICAST_0_OFFSET + 42098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha i); 42108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 42118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 42138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_set_multicast - enable or disable all multicast receiving 42148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 42158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @multicast: To turn on or off the all multicast feature. 42168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 42178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine enables/disables the hardware to accept all multicast packets. 42188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 42198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_set_multicast(struct ksz_hw *hw, u8 multicast) 42208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 42218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Stop receiving for reconfiguration. */ 42228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_stop_rx(hw); 42238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (multicast) 42258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg |= DMA_RX_ALL_MULTICAST; 42268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 42278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg &= ~DMA_RX_ALL_MULTICAST; 42288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->enabled) 42308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_start_rx(hw); 42318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 42328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 42348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hw_set_promiscuous - enable or disable promiscuous receiving 42358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 42368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @prom: To turn on or off the promiscuous feature. 42378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 42388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine enables/disables the hardware to accept all packets. 42398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 42408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_set_promiscuous(struct ksz_hw *hw, u8 prom) 42418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 42428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Stop receiving for reconfiguration. */ 42438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_stop_rx(hw); 42448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (prom) 42468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg |= DMA_RX_PROMISCUOUS; 42478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 42488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg &= ~DMA_RX_PROMISCUOUS; 42498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->enabled) 42518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_start_rx(hw); 42528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 42538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 42558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_enable - enable the switch 42568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 42578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @enable: The flag to enable or disable the switch 42588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 42598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to enable/disable the switch in KSZ8842. 42608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 42618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_enable(struct ksz_hw *hw, int enable) 42628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 42638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 42648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < SWITCH_PORT_NUM; port++) { 42668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) { 42678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Set port-base vlan membership with host port. */ 42688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_port_base_vlan(hw, port, 42698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha HOST_MASK | (1 << port)); 42708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, port, STP_STATE_DISABLED); 42718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 42728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_port_base_vlan(hw, port, PORT_MASK); 42738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, port, STP_STATE_FORWARDING); 42748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 42758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 42768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) 42778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, SWITCH_PORT_NUM, STP_STATE_SIMPLE); 42788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 42798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, SWITCH_PORT_NUM, STP_STATE_FORWARDING); 42808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (enable) 42828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha enable = KS8842_START; 42838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(enable, hw->io + KS884X_CHIP_ID_OFFSET); 42848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 42858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 42878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sw_setup - setup the switch 42888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @hw: The hardware instance. 42898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 42908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine setup the hardware switch engine for default operation. 42918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 42928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void sw_setup(struct ksz_hw *hw) 42938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 42948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 42958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_set_global_ctrl(hw); 42978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 42988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Enable switch broadcast storm protection at 10% percent rate. */ 42998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_init_broad_storm(hw); 43008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_broad_storm(hw, BROADCAST_STORM_PROTECTION_RATE); 43018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < SWITCH_PORT_NUM; port++) 43028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_ena_broad_storm(hw, port); 43038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_init_prio(hw); 43058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_init_mirror(hw); 43078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_init_prio_rate(hw); 43098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_init_vlan(hw); 43118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->features & STP_SUPPORT) 43138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_init_stp(hw); 43148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!sw_chk(hw, KS8842_SWITCH_CTRL_1_OFFSET, 43158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_TX_FLOW_CTRL | SWITCH_RX_FLOW_CTRL)) 43168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->overrides |= PAUSE_FLOW_CTRL; 43178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_enable(hw, 1); 43188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 43198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 43218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_start_timer - start kernel timer 43228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @info: Kernel timer information. 43238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @time: The time tick. 43248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 43258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine starts the kernel timer after the specified time tick. 43268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 43278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_start_timer(struct ksz_timer_info *info, int time) 43288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 43298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->cnt = 0; 43308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->timer.expires = jiffies + time; 43318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha add_timer(&info->timer); 43328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* infinity */ 43348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->max = -1; 43358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 43368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 43388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_stop_timer - stop kernel timer 43398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @info: Kernel timer information. 43408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 43418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine stops the kernel timer. 43428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 43438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_stop_timer(struct ksz_timer_info *info) 43448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 43458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (info->max) { 43468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->max = 0; 43478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha del_timer_sync(&info->timer); 43488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 43498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 43508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_init_timer(struct ksz_timer_info *info, int period, 43528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha void (*function)(unsigned long), void *data) 43538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 43548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->max = 0; 43558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->period = period; 43568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha init_timer(&info->timer); 43578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->timer.function = function; 43588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->timer.data = (unsigned long) data; 43598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 43608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_update_timer(struct ksz_timer_info *info) 43628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 43638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++info->cnt; 43648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (info->max > 0) { 43658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (info->cnt < info->max) { 43668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->timer.expires = jiffies + info->period; 43678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha add_timer(&info->timer); 43688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else 43698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->max = 0; 43708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else if (info->max < 0) { 43718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->timer.expires = jiffies + info->period; 43728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha add_timer(&info->timer); 43738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 43748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 43758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 43778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_alloc_soft_desc - allocate software descriptors 43788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @desc_info: Descriptor information structure. 43798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @transmit: Indication that descriptors are for transmit. 43808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 43818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This local function allocates software descriptors for manipulation in 43828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * memory. 43838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 43848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful. 43858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 43868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int ksz_alloc_soft_desc(struct ksz_desc_info *desc_info, int transmit) 43878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 43888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc_info->ring = kmalloc(sizeof(struct ksz_desc) * desc_info->alloc, 43898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha GFP_KERNEL); 43908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!desc_info->ring) 43918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 1; 43928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset((void *) desc_info->ring, 0, 43938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sizeof(struct ksz_desc) * desc_info->alloc); 43948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_init_desc(desc_info, transmit); 43958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 43968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 43978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 43988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 43998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_alloc_desc - allocate hardware descriptors 44008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @adapter: Adapter information structure. 44018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 44028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This local function allocates hardware descriptors for receiving and 44038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * transmitting. 44048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 44058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful. 44068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 44078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int ksz_alloc_desc(struct dev_info *adapter) 44088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 44098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &adapter->hw; 44108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int offset; 44118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Allocate memory for RX & TX descriptors. */ 44138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.alloc_size = 44148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.size * hw->rx_desc_info.alloc + 44158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.size * hw->tx_desc_info.alloc + 44168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha DESC_ALIGNMENT; 44178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.alloc_virt = 44198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_alloc_consistent( 44208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->pdev, adapter->desc_pool.alloc_size, 44218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &adapter->desc_pool.dma_addr); 44228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (adapter->desc_pool.alloc_virt == NULL) { 44238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.alloc_size = 0; 44248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 1; 44258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 44268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset(adapter->desc_pool.alloc_virt, 0, adapter->desc_pool.alloc_size); 44278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Align to the next cache line boundary. */ 44298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha offset = (((ulong) adapter->desc_pool.alloc_virt % DESC_ALIGNMENT) ? 44308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (DESC_ALIGNMENT - 44318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ((ulong) adapter->desc_pool.alloc_virt % DESC_ALIGNMENT)) : 0); 44328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.virt = adapter->desc_pool.alloc_virt + offset; 44338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.phys = adapter->desc_pool.dma_addr + offset; 44348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Allocate receive/transmit descriptors. */ 44368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.ring_virt = (struct ksz_hw_desc *) 44378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.virt; 44388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.ring_phys = adapter->desc_pool.phys; 44398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha offset = hw->rx_desc_info.alloc * hw->rx_desc_info.size; 44408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.ring_virt = (struct ksz_hw_desc *) 44418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (adapter->desc_pool.virt + offset); 44428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.ring_phys = adapter->desc_pool.phys + offset; 44438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (ksz_alloc_soft_desc(&hw->rx_desc_info, 0)) 44458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 1; 44468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (ksz_alloc_soft_desc(&hw->tx_desc_info, 1)) 44478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 1; 44488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 44508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 44518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 44538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * free_dma_buf - release DMA buffer resources 44548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @adapter: Adapter information structure. 44558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 44568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is just a helper function to release the DMA buffer resources. 44578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 44588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void free_dma_buf(struct dev_info *adapter, struct ksz_dma_buf *dma_buf, 44598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int direction) 44608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 44618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_unmap_single(adapter->pdev, dma_buf->dma, dma_buf->len, direction); 44628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev_kfree_skb(dma_buf->skb); 44638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->skb = NULL; 44648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->dma = 0; 44658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 44668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 44688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_init_rx_buffers - initialize receive descriptors 44698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @adapter: Adapter information structure. 44708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 44718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine initializes DMA buffers for receiving. 44728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 44738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_init_rx_buffers(struct dev_info *adapter) 44748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 44758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 44768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *desc; 44778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_dma_buf *dma_buf; 44788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &adapter->hw; 44798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info *info = &hw->rx_desc_info; 44808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->rx_desc_info.alloc; i++) { 44828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha get_rx_pkt(info, &desc); 44838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf = DMA_BUFFER(desc); 44858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (dma_buf->skb && dma_buf->len != adapter->mtu) 44868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha free_dma_buf(adapter, dma_buf, PCI_DMA_FROMDEVICE); 44878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->len = adapter->mtu; 44888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!dma_buf->skb) 44898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->skb = alloc_skb(dma_buf->len, GFP_ATOMIC); 44908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (dma_buf->skb && !dma_buf->dma) { 44918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->skb->dev = adapter->dev; 44928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->dma = pci_map_single( 44938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->pdev, 44948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb_tail_pointer(dma_buf->skb), 44958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->len, 44968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_DMA_FROMDEVICE); 44978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 44988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 44998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Set descriptor. */ 45008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_rx_buf(desc, dma_buf->dma); 45018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_rx_len(desc, dma_buf->len); 45028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_desc(desc); 45038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 45048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 45058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 45078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_alloc_mem - allocate memory for hardware descriptors 45088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @adapter: Adapter information structure. 45098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 45108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function allocates memory for use by hardware descriptors for receiving 45118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * and transmitting. 45128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 45138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful. 45148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 45158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int ksz_alloc_mem(struct dev_info *adapter) 45168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 45178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &adapter->hw; 45188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Determine the number of receive and transmit descriptors. */ 45208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.alloc = NUM_OF_RX_DESC; 45218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.alloc = NUM_OF_TX_DESC; 45228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Determine how many descriptors to skip transmit interrupt. */ 45248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_cnt = 0; 45258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_mask = NUM_OF_TX_DESC / 4; 45268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->tx_int_mask > 8) 45278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_mask = 8; 45288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (hw->tx_int_mask) { 45298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_cnt++; 45308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_mask >>= 1; 45318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 45328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->tx_int_cnt) { 45338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_mask = (1 << (hw->tx_int_cnt - 1)) - 1; 45348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_int_cnt = 0; 45358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 45368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Determine the descriptor size. */ 45388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.size = 45398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (((sizeof(struct ksz_hw_desc) + DESC_ALIGNMENT - 1) / 45408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha DESC_ALIGNMENT) * DESC_ALIGNMENT); 45418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.size = 45428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (((sizeof(struct ksz_hw_desc) + DESC_ALIGNMENT - 1) / 45438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha DESC_ALIGNMENT) * DESC_ALIGNMENT); 45448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->rx_desc_info.size != sizeof(struct ksz_hw_desc)) 45450dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches pr_alert("Hardware descriptor size not right!\n"); 45468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_check_desc_num(&hw->rx_desc_info); 45478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_check_desc_num(&hw->tx_desc_info); 45488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Allocate descriptors. */ 45508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (ksz_alloc_desc(adapter)) 45518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 1; 45528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 45548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 45558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 45578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_free_desc - free software and hardware descriptors 45588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @adapter: Adapter information structure. 45598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 45608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This local routine frees the software and hardware descriptors allocated by 45618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_alloc_desc(). 45628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 45638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_free_desc(struct dev_info *adapter) 45648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 45658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &adapter->hw; 45668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Reset descriptor. */ 45688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.ring_virt = NULL; 45698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.ring_virt = NULL; 45708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.ring_phys = 0; 45718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.ring_phys = 0; 45728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Free memory. */ 45748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (adapter->desc_pool.alloc_virt) 45758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_free_consistent( 45768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->pdev, 45778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.alloc_size, 45788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.alloc_virt, 45798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.dma_addr); 45808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Reset resource pool. */ 45828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.alloc_size = 0; 45838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha adapter->desc_pool.alloc_virt = NULL; 45848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha kfree(hw->rx_desc_info.ring); 45868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.ring = NULL; 45878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha kfree(hw->tx_desc_info.ring); 45888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.ring = NULL; 45898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 45908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 45918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 45928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_free_buffers - free buffers used in the descriptors 45938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @adapter: Adapter information structure. 45948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @desc_info: Descriptor information structure. 45958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 45968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This local routine frees buffers used in the DMA buffers. 45978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 45988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_free_buffers(struct dev_info *adapter, 45998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info *desc_info, int direction) 46008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 46018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 46028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_dma_buf *dma_buf; 46038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *desc = desc_info->ring; 46048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < desc_info->alloc; i++) { 46068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf = DMA_BUFFER(desc); 46078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (dma_buf->skb) 46088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha free_dma_buf(adapter, dma_buf, direction); 46098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc++; 46108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 46118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 46128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 46148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ksz_free_mem - free all resources used by descriptors 46158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @adapter: Adapter information structure. 46168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 46178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This local routine frees all the resources allocated by ksz_alloc_mem(). 46188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 46198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void ksz_free_mem(struct dev_info *adapter) 46208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 46218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Free transmit buffers. */ 46228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_free_buffers(adapter, &adapter->hw.tx_desc_info, 46238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_DMA_TODEVICE); 46248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Free receive buffers. */ 46268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_free_buffers(adapter, &adapter->hw.rx_desc_info, 46278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_DMA_FROMDEVICE); 46288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Free descriptors. */ 46308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_free_desc(adapter); 46318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 46328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void get_mib_counters(struct ksz_hw *hw, int first, int cnt, 46348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u64 *counter) 46358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 46368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 46378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int mib; 46388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 46398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_mib *port_mib; 46408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset(counter, 0, sizeof(u64) * TOTAL_PORT_COUNTER_NUM); 46428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, port = first; i < cnt; i++, port++) { 46438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_mib = &hw->port_mib[port]; 46448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (mib = port_mib->mib_start; mib < hw->mib_cnt; mib++) 46458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha counter[mib] += port_mib->counter[mib]; 46468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 46478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 46488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 46508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * send_packet - send packet 46518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @skb: Socket buffer. 46528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 46538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 46548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to send a packet out to the network. 46558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 46568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void send_packet(struct sk_buff *skb, struct net_device *dev) 46578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 46588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *desc; 46598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *first; 46608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 46618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 46628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 46638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info *info = &hw->tx_desc_info; 46648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_dma_buf *dma_buf; 46658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int len; 46668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int last_frag = skb_shinfo(skb)->nr_frags; 46678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 46698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * KSZ8842 with multiple device interfaces needs to be told which port 46708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * to send. 46718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 46728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) 46738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->dst_ports = 1 << priv->port.first_port; 46748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Hardware will pad the length to 60. */ 46768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha len = skb->len; 46778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Remember the very first descriptor. */ 46798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha first = info->cur; 46808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc = first; 46818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf = DMA_BUFFER(desc); 46838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (last_frag) { 46848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int frag; 46858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb_frag_t *this_frag; 46868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 4687e743d31312d00932391b123dfac3324d2b9e8c81Eric Dumazet dma_buf->len = skb_headlen(skb); 46888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->dma = pci_map_single( 46908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->pdev, skb->data, dma_buf->len, 46918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_DMA_TODEVICE); 46928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_tx_buf(desc, dma_buf->dma); 46938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_tx_len(desc, dma_buf->len); 46948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha frag = 0; 46968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { 46978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha this_frag = &skb_shinfo(skb)->frags[frag]; 46988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 46998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Get a new descriptor. */ 47008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha get_tx_pkt(info, &desc); 47018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Keep track of descriptors used so far. */ 47038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++hw->tx_int_cnt; 47048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf = DMA_BUFFER(desc); 47068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->len = this_frag->size; 47078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->dma = pci_map_single( 47098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->pdev, 47108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha page_address(this_frag->page) + 47118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha this_frag->page_offset, 47128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->len, 47138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_DMA_TODEVICE); 47148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_tx_buf(desc, dma_buf->dma); 47158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_tx_len(desc, dma_buf->len); 47168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha frag++; 47188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (frag == last_frag) 47198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 47208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Do not release the last descriptor here. */ 47228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_desc(desc); 47238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (1); 47248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* current points to the last descriptor. */ 47268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->cur = desc; 47278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Release the first descriptor. */ 47298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_desc(first); 47308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 47318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->len = len; 47328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->dma = pci_map_single( 47348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->pdev, skb->data, dma_buf->len, 47358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_DMA_TODEVICE); 47368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_tx_buf(desc, dma_buf->dma); 47378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_tx_len(desc, dma_buf->len); 47388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 47398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (skb->ip_summed == CHECKSUM_PARTIAL) { 47418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (desc)->sw.buf.tx.csum_gen_tcp = 1; 47428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (desc)->sw.buf.tx.csum_gen_udp = 1; 47438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 47448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 47468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * The last descriptor holds the packet so that it can be returned to 47478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * network subsystem after all descriptors are transmitted. 47488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 47498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->skb = skb; 47508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_send_pkt(hw); 47528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Update transmit statistics. */ 47548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.tx_packets++; 47558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.tx_bytes += len; 47568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 47578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 47598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * transmit_cleanup - clean up transmit descriptors 47608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 47618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 47628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is called to clean up the transmitted buffers. 47638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 47648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void transmit_cleanup(struct dev_info *hw_priv, int normal) 47658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 47668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int last; 47678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha union desc_stat status; 47688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 47698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info *info = &hw->tx_desc_info; 47708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *desc; 47718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_dma_buf *dma_buf; 47728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = NULL; 47738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_lock(&hw_priv->hwlock); 47758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha last = info->last; 47768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (info->avail < info->alloc) { 47788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Get next descriptor which is not hardware owned. */ 47798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc = &info->ring[last]; 47808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha status.data = le32_to_cpu(desc->phw->ctrl.data); 47818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status.tx.hw_owned) { 47828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (normal) 47838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 47848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 47858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha reset_desc(desc, status); 47868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 47878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf = DMA_BUFFER(desc); 47898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_unmap_single( 47908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->pdev, dma_buf->dma, dma_buf->len, 47918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_DMA_TODEVICE); 47928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* This descriptor contains the last buffer in the packet. */ 47948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (dma_buf->skb) { 47958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev = dma_buf->skb->dev; 47968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 47978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Release the packet back to network subsystem. */ 47988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev_kfree_skb_irq(dma_buf->skb); 47998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->skb = NULL; 48008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 48018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Free the transmitted descriptor. */ 48038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha last++; 48048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha last &= info->mask; 48058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->avail++; 48068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 48078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->last = last; 48088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_unlock(&hw_priv->hwlock); 48098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Notify the network subsystem that the packet has been sent. */ 48118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (dev) 48128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->trans_start = jiffies; 48138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 48148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 48168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * transmit_done - transmit done processing 48178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 48188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 48198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is called when the transmit interrupt is triggered, indicating 48208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * either a packet is sent successfully or there are transmit errors. 48218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 48228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void tx_done(struct dev_info *hw_priv) 48238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 48248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 48258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 48268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha transmit_cleanup(hw_priv, 1); 48288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < hw->dev_count; port++) { 48308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = hw->port_info[port].pdev; 48318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (netif_running(dev) && netif_queue_stopped(dev)) 48338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netif_wake_queue(dev); 48348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 48358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 48368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void copy_old_skb(struct sk_buff *old, struct sk_buff *skb) 48388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 48398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->dev = old->dev; 48408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->protocol = old->protocol; 48418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->ip_summed = old->ip_summed; 48428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->csum = old->csum; 48438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb_set_network_header(skb, ETH_HLEN); 48448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev_kfree_skb(old); 48468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 48478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 48498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_tx - send out packet 48508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @skb: Socket buffer. 48518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 48528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 48538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function is used by the upper network layer to send out a packet. 48548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 48558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code indicating failure. 48568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 48575ed83663f77ee7404022d046321f69545cd311b8Denis Kirjanovstatic netdev_tx_t netdev_tx(struct sk_buff *skb, struct net_device *dev) 48588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 48598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 48608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 48618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 48628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int left; 48638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int num = 1; 48648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc = 0; 48658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->features & SMALL_PACKET_TX_BUG) { 48678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct sk_buff *org_skb = skb; 48688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (skb->len <= 48) { 48708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (skb_end_pointer(skb) - skb->data >= 50) { 48718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset(&skb->data[skb->len], 0, 50 - skb->len); 48728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->len = 50; 48738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 48748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb = dev_alloc_skb(50); 48758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!skb) 48768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return NETDEV_TX_BUSY; 48778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(skb->data, org_skb->data, org_skb->len); 48788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset(&skb->data[org_skb->len], 0, 48798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50 - org_skb->len); 48808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->len = 50; 48818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha copy_old_skb(org_skb, skb); 48828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 48838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 48848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 48858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_lock_irq(&hw_priv->hwlock); 48878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num = skb_shinfo(skb)->nr_frags + 1; 48898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha left = hw_alloc_pkt(hw, skb->len, num); 48908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (left) { 48918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (left < num || 48928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ((hw->features & IPV6_CSUM_GEN_HACK) && 48938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (CHECKSUM_PARTIAL == skb->ip_summed) && 48948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (ETH_P_IPV6 == htons(skb->protocol)))) { 48958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct sk_buff *org_skb = skb; 48968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 48978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb = dev_alloc_skb(org_skb->len); 4898edee39321be9f88c47627379e8abadfce0508768Jiri Slaby if (!skb) { 4899edee39321be9f88c47627379e8abadfce0508768Jiri Slaby rc = NETDEV_TX_BUSY; 4900edee39321be9f88c47627379e8abadfce0508768Jiri Slaby goto unlock; 4901edee39321be9f88c47627379e8abadfce0508768Jiri Slaby } 49028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb_copy_and_csum_dev(org_skb, skb->data); 49038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha org_skb->ip_summed = 0; 49048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->len = org_skb->len; 49058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha copy_old_skb(org_skb, skb); 49068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 49078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha send_packet(skb, dev); 49088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (left <= num) 49098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netif_stop_queue(dev); 49108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 49118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Stop the transmit queue until packet is allocated. */ 49128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netif_stop_queue(dev); 49138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = NETDEV_TX_BUSY; 49148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 4915edee39321be9f88c47627379e8abadfce0508768Jiri Slabyunlock: 49168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_unlock_irq(&hw_priv->hwlock); 49178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return rc; 49198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 49208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 49228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_tx_timeout - transmit timeout processing 49238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 49248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 49258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is called when the transmit timer expires. That indicates the 49268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * hardware is not running correctly because transmit interrupts are not 49278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * triggered to free up resources so that the transmit routine can continue 49288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * sending out packets. The hardware is reset to correct the problem. 49298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 49308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_tx_timeout(struct net_device *dev) 49318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 49328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha static unsigned long last_reset; 49338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 49358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 49368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 49378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 49388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) { 49408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 49418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Only reset the hardware if time between calls is long 49428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * enough. 49438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 49448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (jiffies - last_reset <= dev->watchdog_timeo) 49458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv = NULL; 49468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 49478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha last_reset = jiffies; 49498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_priv) { 49508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_dis_intr(hw); 49518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_disable(hw); 49528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha transmit_cleanup(hw_priv, 0); 49548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_reset_pkts(&hw->rx_desc_info); 49558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_reset_pkts(&hw->tx_desc_info); 49568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_init_rx_buffers(hw_priv); 49578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_reset(hw); 49598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_desc_base(hw, 49618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.ring_phys, 49628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_desc_info.ring_phys); 49638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_addr(hw); 49648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->all_multi) 49658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_multicast(hw, hw->all_multi); 49668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (hw->multi_list_size) 49678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_grp_addr(hw); 49688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) { 49708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_add_addr(hw); 49718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < SWITCH_PORT_NUM; port++) { 49728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *port_dev; 49738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, port, 49758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha STP_STATE_DISABLED); 49768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_dev = hw->port_info[port].pdev; 49788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (netif_running(port_dev)) 49798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, port, 49808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha STP_STATE_SIMPLE); 49818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 49828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 49838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_enable(hw); 49858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ena_intr(hw); 49868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 49878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->trans_start = jiffies; 49898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netif_wake_queue(dev); 49908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 49918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void csum_verified(struct sk_buff *skb) 49938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 49948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha unsigned short protocol; 49958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct iphdr *iph; 49968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 49978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha protocol = skb->protocol; 49988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb_reset_network_header(skb); 49998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha iph = (struct iphdr *) skb_network_header(skb); 50008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (protocol == htons(ETH_P_8021Q)) { 50018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha protocol = iph->tot_len; 50028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb_set_network_header(skb, VLAN_HLEN); 50038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha iph = (struct iphdr *) skb_network_header(skb); 50048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 50058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (protocol == htons(ETH_P_IP)) { 50068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (iph->protocol == IPPROTO_TCP) 50078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->ip_summed = CHECKSUM_UNNECESSARY; 50088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 50098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 50108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline int rx_proc(struct net_device *dev, struct ksz_hw* hw, 50128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *desc, union desc_stat status) 50138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 50148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int packet_len; 50158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 50168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 50178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_dma_buf *dma_buf; 50188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct sk_buff *skb; 50198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rx_status; 50208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Received length includes 4-byte CRC. */ 50228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha packet_len = status.rx.frame_len - 4; 50238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf = DMA_BUFFER(desc); 50258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_dma_sync_single_for_cpu( 50268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->pdev, dma_buf->dma, packet_len + 4, 50278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_DMA_FROMDEVICE); 50288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { 50308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* skb->data != skb->head */ 50318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb = dev_alloc_skb(packet_len + 2); 50328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!skb) { 50338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_dropped++; 50348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -ENOMEM; 50358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 50368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 50388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Align socket buffer in 4-byte boundary for better 50398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * performance. 50408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 50418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb_reserve(skb, 2); 50428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(skb_put(skb, packet_len), 50448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dma_buf->skb->data, packet_len); 50458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (0); 50468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha skb->protocol = eth_type_trans(skb, dev); 50488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->rx_cfg & (DMA_RX_CSUM_UDP | DMA_RX_CSUM_TCP)) 50508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha csum_verified(skb); 50518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Update receive statistics. */ 50538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_packets++; 50548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_bytes += packet_len; 50558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Notify upper layer for received packet. */ 50578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rx_status = netif_rx(skb); 50588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 50608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 50618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int dev_rcv_packets(struct dev_info *hw_priv) 50638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 50648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int next; 50658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha union desc_stat status; 50668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 50678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = hw->port_info[0].pdev; 50688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info *info = &hw->rx_desc_info; 50698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int left = info->alloc; 50708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *desc; 50718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int received = 0; 50728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next = info->next; 50748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (left--) { 50758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Get next descriptor which is not hardware owned. */ 50768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc = &info->ring[next]; 50778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha status.data = le32_to_cpu(desc->phw->ctrl.data); 50788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status.rx.hw_owned) 50798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 50808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Status valid only when last descriptor bit is set. */ 50828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status.rx.last_desc && status.rx.first_desc) { 50838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (rx_proc(dev, hw, desc, status)) 50848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto release_packet; 50858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha received++; 50868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 50878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Harelease_packet: 50898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_desc(desc); 50908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next++; 50918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next &= info->mask; 50928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 50938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->next = next; 50948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return received; 50968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 50978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 50988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int port_rcv_packets(struct dev_info *hw_priv) 50998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 51008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int next; 51018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha union desc_stat status; 51028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 51038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = hw->port_info[0].pdev; 51048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info *info = &hw->rx_desc_info; 51058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int left = info->alloc; 51068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *desc; 51078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int received = 0; 51088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next = info->next; 51108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (left--) { 51118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Get next descriptor which is not hardware owned. */ 51128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc = &info->ring[next]; 51138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha status.data = le32_to_cpu(desc->phw->ctrl.data); 51148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status.rx.hw_owned) 51158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 51168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) { 51188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Get received port number. */ 51198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p = HW_TO_DEV_PORT(status.rx.src_port); 51208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev = hw->port_info[p].pdev; 51228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!netif_running(dev)) 51238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto release_packet; 51248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 51258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Status valid only when last descriptor bit is set. */ 51278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status.rx.last_desc && status.rx.first_desc) { 51288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (rx_proc(dev, hw, desc, status)) 51298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto release_packet; 51308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha received++; 51318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 51328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Harelease_packet: 51348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_desc(desc); 51358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next++; 51368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next &= info->mask; 51378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 51388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->next = next; 51398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return received; 51418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 51428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int dev_rcv_special(struct dev_info *hw_priv) 51448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 51458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int next; 51468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha union desc_stat status; 51478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 51488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = hw->port_info[0].pdev; 51498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc_info *info = &hw->rx_desc_info; 51508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int left = info->alloc; 51518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_desc *desc; 51528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int received = 0; 51538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next = info->next; 51558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (left--) { 51568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Get next descriptor which is not hardware owned. */ 51578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha desc = &info->ring[next]; 51588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha status.data = le32_to_cpu(desc->phw->ctrl.data); 51598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status.rx.hw_owned) 51608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 51618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) { 51638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Get received port number. */ 51648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p = HW_TO_DEV_PORT(status.rx.src_port); 51658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev = hw->port_info[p].pdev; 51678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!netif_running(dev)) 51688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto release_packet; 51698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 51708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Status valid only when last descriptor bit is set. */ 51728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (status.rx.last_desc && status.rx.first_desc) { 51738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 51748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Receive without error. With receive errors 51758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * disabled, packets with receive errors will be 51768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * dropped, so no need to check the error bit. 51778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 51788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!status.rx.error || (status.data & 51798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_RX_ERROR_COND) == 51808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha KS_DESC_RX_ERROR_TOO_LONG) { 51818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (rx_proc(dev, hw, desc, status)) 51828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto release_packet; 51838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha received++; 51848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 51858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 51868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Update receive error statistics. */ 51888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->port.counter[OID_COUNTER_RCV_ERROR]++; 51898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 51908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 51918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Harelease_packet: 51938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_desc(desc); 51948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next++; 51958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next &= info->mask; 51968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 51978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->next = next; 51988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 51998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return received; 52008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 52018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void rx_proc_task(unsigned long data) 52038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 52048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = (struct dev_info *) data; 52058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 52068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw->enabled) 52088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return; 52098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (unlikely(!hw_priv->dev_rcv(hw_priv))) { 52108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* In case receive process is suspended because of overrun. */ 52128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_resume_rx(hw); 52138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* tasklets are interruptible. */ 52158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_lock_irq(&hw_priv->hwlock); 52168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_turn_on_intr(hw, KS884X_INT_RX_MASK); 52178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_unlock_irq(&hw_priv->hwlock); 52188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 52198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ack_intr(hw, KS884X_INT_RX); 52208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_schedule(&hw_priv->rx_tasklet); 52218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 52228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 52238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void tx_proc_task(unsigned long data) 52258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 52268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = (struct dev_info *) data; 52278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 52288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ack_intr(hw, KS884X_INT_TX_MASK); 52308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tx_done(hw_priv); 52328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* tasklets are interruptible. */ 52348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_lock_irq(&hw_priv->hwlock); 52358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_turn_on_intr(hw, KS884X_INT_TX); 52368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_unlock_irq(&hw_priv->hwlock); 52378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 52388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic inline void handle_rx_stop(struct ksz_hw *hw) 52408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 52418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Receive just has been stopped. */ 52428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (0 == hw->rx_stop) 52438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_mask &= ~KS884X_INT_RX_STOPPED; 52448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (hw->rx_stop > 1) { 52458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->enabled && (hw->rx_cfg & DMA_RX_ENABLE)) { 52468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_start_rx(hw); 52478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 52488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_mask &= ~KS884X_INT_RX_STOPPED; 52498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_stop = 0; 52508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 52518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else 52528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Receive just has been started. */ 52538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_stop++; 52548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 52558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 52578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_intr - interrupt handling 52588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @irq: Interrupt number. 52598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev_id: Network device. 52608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 52618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function is called by upper network layer to signal interrupt. 52628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 52638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return IRQ_HANDLED if interrupt is handled. 52648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 52658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic irqreturn_t netdev_intr(int irq, void *dev_id) 52668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 52678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint int_enable = 0; 52688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = (struct net_device *) dev_id; 52698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 52708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 52718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 52728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_read_intr(hw, &int_enable); 52748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Not our interrupt! */ 52768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!int_enable) 52778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return IRQ_NONE; 52788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha do { 52808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ack_intr(hw, int_enable); 52818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int_enable &= hw->intr_mask; 52828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (unlikely(int_enable & KS884X_INT_TX_MASK)) { 52848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_dis_intr_bit(hw, KS884X_INT_TX_MASK); 52858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_schedule(&hw_priv->tx_tasklet); 52868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 52878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (likely(int_enable & KS884X_INT_RX)) { 52898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_dis_intr_bit(hw, KS884X_INT_RX); 52908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_schedule(&hw_priv->rx_tasklet); 52918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 52928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (unlikely(int_enable & KS884X_INT_RX_OVERRUN)) { 52948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_fifo_errors++; 52958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_resume_rx(hw); 52968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 52978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 52988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (unlikely(int_enable & KS884X_INT_PHY)) { 52998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 53008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->features |= LINK_INT_WORKING; 53028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_get_link_speed(port); 53038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 53048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (unlikely(int_enable & KS884X_INT_RX_STOPPED)) { 53068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha handle_rx_stop(hw); 53078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 53088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 53098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (unlikely(int_enable & KS884X_INT_TX_STOPPED)) { 53118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data; 53128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->intr_mask &= ~KS884X_INT_TX_STOPPED; 53140dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches pr_info("Tx stopped\n"); 53158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readl(hw->io + KS_DMA_TX_CTRL); 53168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!(data & DMA_TX_ENABLE)) 53170dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches pr_info("Tx disabled\n"); 53188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 53198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 53208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } while (0); 53218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ena_intr(hw); 53238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return IRQ_HANDLED; 53258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 53268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 53288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Linux network device functions 53298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 53308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic unsigned long next_jiffies; 53328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifdef CONFIG_NET_POLL_CONTROLLER 53348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_netpoll(struct net_device *dev) 53358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 53368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 53378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 53388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_dis_intr(&hw_priv->hw); 53408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netdev_intr(dev->irq, dev); 53418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 53428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 53438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void bridge_change(struct ksz_hw *hw) 53458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 53468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port; 53478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 member; 53488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_switch *sw = hw->ksz_switch; 53498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* No ports in forwarding state. */ 53518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!sw->member) { 53528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, SWITCH_PORT_NUM, STP_STATE_SIMPLE); 53538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_block_addr(hw); 53548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 53558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (port = 0; port < SWITCH_PORT_NUM; port++) { 53568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (STP_STATE_FORWARDING == sw->port_cfg[port].stp_state) 53578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha member = HOST_MASK | sw->member; 53588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 53598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha member = HOST_MASK | (1 << port); 53608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (member != sw->port_cfg[port].member) 53618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg_port_base_vlan(hw, port, member); 53628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 53638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 53648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 53668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_close - close network device 53678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 53688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 53698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function process the close operation of network device. This is caused 53708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * by the user command "ifconfig ethX down." 53718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 53728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code indicating failure. 53738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 53748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_close(struct net_device *dev) 53758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 53768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 53778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 53788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 53798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 53808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int pi; 53818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netif_stop_queue(dev); 53838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_stop_timer(&priv->monitor_timer_info); 53858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Need to shut the port manually in multiple device interfaces mode. */ 53878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) { 53888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, port->first_port, STP_STATE_DISABLED); 53898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 53908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Port is closed. Need to change bridge setting. */ 53918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->features & STP_SUPPORT) { 53928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pi = 1 << port->first_port; 53938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->ksz_switch->member & pi) { 53948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->ksz_switch->member &= ~pi; 53958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha bridge_change(hw); 53968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 53978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 53988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 53998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (port->first_port > 0) 54008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_del_addr(hw, dev->dev_addr); 54018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw_priv->wol_enable) 54028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_power_saving(port, true); 54038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (priv->multicast) 54058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha --hw->all_multi; 54068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (priv->promiscuous) 54078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha --hw->promiscuous; 54088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->opened--; 54108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!(hw_priv->opened)) { 54118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_stop_timer(&hw_priv->mib_timer_info); 54128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha flush_work(&hw_priv->mib_read); 54138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_dis_intr(hw); 54158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_disable(hw); 54168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_clr_multicast(hw); 54178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Delay for receive task to stop scheduling itself. */ 54198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha msleep(2000 / HZ); 54208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_disable(&hw_priv->rx_tasklet); 54228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_disable(&hw_priv->tx_tasklet); 54238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha free_irq(dev->irq, hw_priv->dev); 54248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha transmit_cleanup(hw_priv, 0); 54268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_reset_pkts(&hw->rx_desc_info); 54278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_reset_pkts(&hw->tx_desc_info); 54288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Clean out static MAC table when the switch is shutdown. */ 54308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->features & STP_SUPPORT) 54318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_clr_sta_mac_table(hw); 54328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 54338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 54358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 54368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void hw_cfg_huge_frame(struct dev_info *hw_priv, struct ksz_hw *hw) 54388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 54398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->ksz_switch) { 54408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 data; 54418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data = readw(hw->io + KS8842_SWITCH_CTRL_2_OFFSET); 54438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->features & RX_HUGE_FRAME) 54448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data |= SWITCH_HUGE_PACKET; 54458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 54468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data &= ~SWITCH_HUGE_PACKET; 54478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writew(data, hw->io + KS8842_SWITCH_CTRL_2_OFFSET); 54488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 54498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->features & RX_HUGE_FRAME) { 54508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg |= DMA_RX_ERROR; 54518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->dev_rcv = dev_rcv_special; 54528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 54538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg &= ~DMA_RX_ERROR; 54548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) 54558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->dev_rcv = port_rcv_packets; 54568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 54578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->dev_rcv = dev_rcv_packets; 54588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 54598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 54608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int prepare_hardware(struct net_device *dev) 54628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 54638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 54648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 54658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 54668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc = 0; 54678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Remember the network device that requests interrupts. */ 54698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->dev = dev; 54708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = request_irq(dev->irq, netdev_intr, IRQF_SHARED, dev->name, dev); 54718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (rc) 54728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return rc; 54738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_enable(&hw_priv->rx_tasklet); 54748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_enable(&hw_priv->tx_tasklet); 54758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->promiscuous = 0; 54778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->all_multi = 0; 54788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->multi_list_size = 0; 54798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_reset(hw); 54818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_desc_base(hw, 54838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->tx_desc_info.ring_phys, hw->rx_desc_info.ring_phys); 54848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_addr(hw); 54858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_huge_frame(hw_priv, hw); 54868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_init_rx_buffers(hw_priv); 54878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 54888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 54898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 54900dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perchesstatic void set_media_state(struct net_device *dev, int media_state) 54910dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches{ 54920dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches struct dev_priv *priv = netdev_priv(dev); 54930dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches 54940dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches if (media_state == priv->media_state) 54950dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches netif_carrier_on(dev); 54960dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches else 54970dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches netif_carrier_off(dev); 54980dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches netif_info(priv, link, dev, "link %s\n", 54990dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches media_state == priv->media_state ? "on" : "off"); 55000dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches} 55010dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches 55028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 55038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_open - open network device 55048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 55058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 55068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function process the open operation of network device. This is caused 55078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * by the user command "ifconfig ethX up." 55088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 55098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code indicating failure. 55108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 55118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_open(struct net_device *dev) 55128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 55138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 55148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 55158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 55168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 55178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 55188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p; 55198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc = 0; 55208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->multicast = 0; 55228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->promiscuous = 0; 55238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Reset device statistics. */ 55258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset(&priv->stats, 0, sizeof(struct net_device_stats)); 55268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset((void *) port->counter, 0, 55278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (sizeof(u64) * OID_COUNTER_LAST)); 55288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!(hw_priv->opened)) { 55308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = prepare_hardware(dev); 55318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (rc) 55328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return rc; 55338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->mib_port_cnt; i++) { 55348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (next_jiffies < jiffies) 55358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next_jiffies = jiffies + HZ * 2; 55368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 55378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next_jiffies += HZ * 1; 55388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[i].time = next_jiffies; 55398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_mib[i].state = media_disconnected; 55408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_init_cnt(hw, i); 55418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 55428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->ksz_switch) 55438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_mib[HOST_PORT].state = media_connected; 55448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else { 55458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_add_wol_bcast(hw); 55468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_wol_pme(hw, 0); 55478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_clr_wol_pme_status(&hw_priv->hw); 55488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 55498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 55508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_power_saving(port, false); 55518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, p = port->first_port; i < port->port_cnt; i++, p++) { 55538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 55548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Initialize to invalid value so that link detection 55558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * is done. 55568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 55578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_info[p].partner = 0xFF; 55588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_info[p].state = media_disconnected; 55598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 55608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Need to open the port in multiple device interfaces mode. */ 55628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) { 55638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, port->first_port, STP_STATE_SIMPLE); 55648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (port->first_port > 0) 55658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_add_addr(hw, dev->dev_addr); 55668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 55678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_get_link_speed(port); 55698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (port->force_link) 55708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_force_link_speed(port); 55718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 55728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_link_speed(port); 55738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!(hw_priv->opened)) { 55758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_setup_intr(hw); 55768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_enable(hw); 55778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_ena_intr(hw); 55788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->mib_port_cnt) 55808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_start_timer(&hw_priv->mib_timer_info, 55818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->mib_timer_info.period); 55828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 55838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->opened++; 55858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_start_timer(&priv->monitor_timer_info, 55878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->monitor_timer_info.period); 55888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->media_state = port->linked->state; 55908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55910dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches set_media_state(dev, media_connected); 55928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netif_start_queue(dev); 55938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 55958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 55968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 55978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* RX errors = rx_errors */ 55988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* RX dropped = rx_dropped */ 55998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* RX overruns = rx_fifo_errors */ 56008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* RX frame = rx_crc_errors + rx_frame_errors + rx_length_errors */ 56018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* TX errors = tx_errors */ 56028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* TX dropped = tx_dropped */ 56038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* TX overruns = tx_fifo_errors */ 56048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* TX carrier = tx_aborted_errors + tx_carrier_errors + tx_window_errors */ 56058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* collisions = collisions */ 56068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 56088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_query_statistics - query network device statistics 56098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 56108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 56118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function returns the statistics of the network device. The device 56128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * needs not be opened. 56138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 56148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return network device statistics. 56158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 56168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic struct net_device_stats *netdev_query_statistics(struct net_device *dev) 56178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 56188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 56198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 56208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &priv->adapter->hw; 56218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_mib *mib; 56228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 56238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p; 56248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_errors = port->counter[OID_COUNTER_RCV_ERROR]; 56268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.tx_errors = port->counter[OID_COUNTER_XMIT_ERROR]; 56278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Reset to zero to add count later. */ 56298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.multicast = 0; 56308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.collisions = 0; 56318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_length_errors = 0; 56328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_crc_errors = 0; 56338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_frame_errors = 0; 56348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.tx_window_errors = 0; 56358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, p = port->first_port; i < port->mib_port_cnt; i++, p++) { 56378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib = &hw->port_mib[p]; 56388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.multicast += (unsigned long) 56408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_RX_MULTICAST]; 56418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.collisions += (unsigned long) 56438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_TX_TOTAL_COLLISION]; 56448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_length_errors += (unsigned long)( 56468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_RX_UNDERSIZE] + 56478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_RX_FRAGMENT] + 56488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_RX_OVERSIZE] + 56498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_RX_JABBER]); 56508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_crc_errors += (unsigned long) 56518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_RX_CRC_ERR]; 56528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.rx_frame_errors += (unsigned long)( 56538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_RX_ALIGNMENT_ERR] + 56548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_RX_SYMBOL_ERR]); 56558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->stats.tx_window_errors += (unsigned long) 56578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->counter[MIB_COUNTER_TX_LATE_COLLISION]; 56588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 56598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return &priv->stats; 56618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 56628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 56648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_set_mac_address - set network device MAC address 56658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 56668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @addr: Buffer of MAC address. 56678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 56688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function is used to set the MAC address of the network device. 56698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 56708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 to indicate success. 56718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 56728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_set_mac_address(struct net_device *dev, void *addr) 56738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 56748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 56758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 56768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 56778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct sockaddr *mac = addr; 56788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha uint interrupt; 56798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (priv->port.first_port > 0) 56818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_del_addr(hw, dev->dev_addr); 56828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else { 56838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->mac_override = 1; 56848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(hw->override_addr, mac->sa_data, MAC_ADDR_LEN); 56858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 56868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(dev->dev_addr, mac->sa_data, MAX_ADDR_LEN); 56888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha interrupt = hw_block_intr(hw); 56908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (priv->port.first_port > 0) 56928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_add_addr(hw, dev->dev_addr); 56938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 56948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_addr(hw); 56958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_restore_intr(hw, interrupt); 56968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 56978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 56988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 56998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void dev_set_promiscuous(struct net_device *dev, struct dev_priv *priv, 57018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw, int promiscuous) 57028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 57038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (promiscuous != priv->promiscuous) { 57048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 prev_state = hw->promiscuous; 57058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (promiscuous) 57078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++hw->promiscuous; 57088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 57098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha --hw->promiscuous; 57108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->promiscuous = promiscuous; 57118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Turn on/off promiscuous mode. */ 57138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->promiscuous <= 1 && prev_state <= 1) 57148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_promiscuous(hw, hw->promiscuous); 57158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 57178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Port is not in promiscuous mode, meaning it is released 57188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * from the bridge. 57198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 57208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if ((hw->features & STP_SUPPORT) && !promiscuous && 57218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->br_port) { 57228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_switch *sw = hw->ksz_switch; 57238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port = priv->port.first_port; 57248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_stp_state(hw, port, STP_STATE_DISABLED); 57268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port = 1 << port; 57278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (sw->member & port) { 57288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->member &= ~port; 57298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha bridge_change(hw); 57308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 57318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 57328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 57338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 57348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void dev_set_multicast(struct dev_priv *priv, struct ksz_hw *hw, 57368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int multicast) 57378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 57388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (multicast != priv->multicast) { 57398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 all_multi = hw->all_multi; 57408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (multicast) 57428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++hw->all_multi; 57438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 57448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha --hw->all_multi; 57458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->multicast = multicast; 57468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Turn on/off all multicast mode. */ 57488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->all_multi <= 1 && all_multi <= 1) 57498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_multicast(hw, hw->all_multi); 57508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 57518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 57528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 57548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_set_rx_mode 57558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 57568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 57578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is used to set multicast addresses or put the network device 57588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * into promiscuous mode. 57598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 57608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_set_rx_mode(struct net_device *dev) 57618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 57628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 57638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 57648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 576522bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko struct netdev_hw_addr *ha; 57668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int multicast = (dev->flags & IFF_ALLMULTI); 57678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev_set_promiscuous(dev, priv, hw, (dev->flags & IFF_PROMISC)); 57698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_priv->hw.dev_count > 1) 57718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha multicast |= (dev->flags & IFF_MULTICAST); 57728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev_set_multicast(priv, hw, multicast); 57738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Cannot use different hashes in multiple device interfaces mode. */ 57758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_priv->hw.dev_count > 1) 57768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return; 57778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 5778f9dcbcc9e338d08c0f7de7eba4eaafbbb7f81249Jiri Pirko if ((dev->flags & IFF_MULTICAST) && !netdev_mc_empty(dev)) { 57798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i = 0; 57808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 57818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* List too big to support so turn on all multicast mode. */ 578222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko if (netdev_mc_count(dev) > MAX_MULTICAST_LIST) { 57838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (MAX_MULTICAST_LIST != hw->multi_list_size) { 57848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->multi_list_size = MAX_MULTICAST_LIST; 57858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ++hw->all_multi; 57868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_multicast(hw, hw->all_multi); 57878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 57888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return; 57898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 57908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 579122bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko netdev_for_each_mc_addr(ha, dev) { 579222bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko if (!(*ha->addr & 1)) 57938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha continue; 57948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (i >= MAX_MULTICAST_LIST) 57958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 579622bedad3ce112d5ca1eaf043d4990fa2ed698c87Jiri Pirko memcpy(hw->multi_list[i++], ha->addr, MAC_ADDR_LEN); 57978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 57988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->multi_list_size = (u8) i; 57998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_grp_addr(hw); 58008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 58018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (MAX_MULTICAST_LIST == hw->multi_list_size) { 58028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha --hw->all_multi; 58038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_set_multicast(hw, hw->all_multi); 58048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 58058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->multi_list_size = 0; 58068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_clr_multicast(hw); 58078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 58088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 58098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_change_mtu(struct net_device *dev, int new_mtu) 58118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 58128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 58138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 58148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 58158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int hw_mtu; 58168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (netif_running(dev)) 58188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -EBUSY; 58198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Cannot use different MTU in multiple device interfaces mode. */ 58218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) 58228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (dev != hw_priv->dev) 58238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 58248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (new_mtu < 60) 58258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -EINVAL; 58268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (dev->mtu != new_mtu) { 58288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_mtu = new_mtu + ETHERNET_HEADER_SIZE + 4; 58298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_mtu > MAX_RX_BUF_SIZE) 58308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -EINVAL; 58318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_mtu > REGULAR_RX_BUF_SIZE) { 58328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->features |= RX_HUGE_FRAME; 58338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_mtu = MAX_RX_BUF_SIZE; 58348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 58358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->features &= ~RX_HUGE_FRAME; 58368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_mtu = REGULAR_RX_BUF_SIZE; 58378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 58388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_mtu = (hw_mtu + 3) & ~3; 58398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->mtu = hw_mtu; 58408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->mtu = new_mtu; 58418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 58428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 58438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 58448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 58468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_ioctl - I/O control processing 58478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 58488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ifr: Interface request structure. 58498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @cmd: I/O control code. 58508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 58518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function is used to process I/O control calls. 58528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 58538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 to indicate success. 58548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 58558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 58568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 58578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 58588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 58598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 58608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 58618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc; 58628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int result = 0; 58638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct mii_ioctl_data *data = if_mii(ifr); 58648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (down_interruptible(&priv->proc_sem)) 58668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -ERESTARTSYS; 58678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* assume success */ 58698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = 0; 58708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha switch (cmd) { 58718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Get address of MII PHY in use. */ 58728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case SIOCGMIIPHY: 58738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data->phy_id = priv->id; 58748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Fallthrough... */ 58768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Read MII PHY register. */ 58788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case SIOCGMIIREG: 58798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (data->phy_id != priv->id || data->reg_num >= 6) 58808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha result = -EIO; 58818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 58828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_r_phy(hw, port->linked->port_id, data->reg_num, 58838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &data->val_out); 58848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 58858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Write MII PHY register. */ 58878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case SIOCSMIIREG: 58888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!capable(CAP_NET_ADMIN)) 58898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha result = -EPERM; 58908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (data->phy_id != priv->id || data->reg_num >= 6) 58918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha result = -EIO; 58928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 58938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_w_phy(hw, port->linked->port_id, data->reg_num, 58948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data->val_in); 58958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 58968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 58978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha default: 58988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha result = -EOPNOTSUPP; 58998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 59008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha up(&priv->proc_sem); 59028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return result; 59048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 59058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 59078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * MII support 59088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 59098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 59118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * mdio_read - read PHY register 59128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 59138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @phy_id: The PHY id. 59148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @reg_num: The register number. 59158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 59168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function returns the PHY register value. 59178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 59188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return the register value. 59198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 59208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int mdio_read(struct net_device *dev, int phy_id, int reg_num) 59218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 59228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 59238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 59248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = port->hw; 59258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 val_out; 59268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_r_phy(hw, port->linked->port_id, reg_num << 1, &val_out); 59288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return val_out; 59298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 59308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 59328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * mdio_write - set PHY register 59338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 59348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @phy_id: The PHY id. 59358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @reg_num: The register number. 59368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @val: The register value. 59378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 59388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure sets the PHY register value. 59398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 59408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void mdio_write(struct net_device *dev, int phy_id, int reg_num, int val) 59418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 59428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 59438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 59448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = port->hw; 59458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 59468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int pi; 59478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, pi = port->first_port; i < port->port_cnt; i++, pi++) 59498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_w_phy(hw, pi, reg_num << 1, val); 59508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 59518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 59538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ethtool support 59548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 59558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_SIZE 0x40 59578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic u16 eeprom_data[EEPROM_SIZE] = { 0 }; 59598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define ADVERTISED_ALL \ 59618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (ADVERTISED_10baseT_Half | \ 59628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ADVERTISED_10baseT_Full | \ 59638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ADVERTISED_100baseT_Half | \ 59648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ADVERTISED_100baseT_Full) 59658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* These functions use the MII functions in mii.c. */ 59678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 59698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_settings - get network device settings 59708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 59718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @cmd: Ethtool command. 59728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 59738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function queries the PHY and returns its state in the ethtool command. 59748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 59758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code. 59768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 59778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 59788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 59798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 59808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 59818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_lock(&hw_priv->lock); 59838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mii_ethtool_gset(&priv->mii_if, cmd); 59848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cmd->advertising |= SUPPORTED_TP; 59858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_unlock(&hw_priv->lock); 59868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Save advertised settings for workaround in next function. */ 59888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->advertising = cmd->advertising; 59898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 59908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 59918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 59928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 59938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_set_settings - set network device settings 59948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 59958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @cmd: Ethtool command. 59968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 59978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function sets the PHY according to the ethtool command. 59988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 59998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code. 60008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 60018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 60028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 60038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 60048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 60058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 60068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc; 60078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 60088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 60098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ethtool utility does not change advertised setting if auto 60108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * negotiation is not specified explicitly. 60118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 60128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (cmd->autoneg && priv->advertising == cmd->advertising) { 60138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cmd->advertising |= ADVERTISED_ALL; 60148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (10 == cmd->speed) 60158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cmd->advertising &= 60168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ~(ADVERTISED_100baseT_Full | 60178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ADVERTISED_100baseT_Half); 60188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (100 == cmd->speed) 60198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cmd->advertising &= 60208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ~(ADVERTISED_10baseT_Full | 60218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ADVERTISED_10baseT_Half); 60228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (0 == cmd->duplex) 60238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cmd->advertising &= 60248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ~(ADVERTISED_100baseT_Full | 60258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ADVERTISED_10baseT_Full); 60268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (1 == cmd->duplex) 60278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cmd->advertising &= 60288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ~(ADVERTISED_100baseT_Half | 60298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ADVERTISED_10baseT_Half); 60308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 60318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_lock(&hw_priv->lock); 60328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (cmd->autoneg && 60338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (cmd->advertising & ADVERTISED_ALL) == 60348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ADVERTISED_ALL) { 60358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->duplex = 0; 60368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->speed = 0; 60378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->force_link = 0; 60388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 60398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->duplex = cmd->duplex + 1; 60408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (cmd->speed != 1000) 60418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->speed = cmd->speed; 60428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (cmd->autoneg) 60438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->force_link = 0; 60448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 60458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->force_link = 1; 60468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 60478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = mii_ethtool_sset(&priv->mii_if, cmd); 60488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_unlock(&hw_priv->lock); 60498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return rc; 60508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 60518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 60528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 60538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_nway_reset - restart auto-negotiation 60548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 60558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 60568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function restarts the PHY for auto-negotiation. 60578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 60588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code. 60598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 60608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_nway_reset(struct net_device *dev) 60618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 60628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 60638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 60648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc; 60658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 60668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_lock(&hw_priv->lock); 60678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = mii_nway_restart(&priv->mii_if); 60688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_unlock(&hw_priv->lock); 60698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return rc; 60708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 60718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 60728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 60738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_link - get network device link status 60748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 60758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 60768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function gets the link status from the PHY. 60778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 60788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return true if PHY is linked and false otherwise. 60798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 60808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic u32 netdev_get_link(struct net_device *dev) 60818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 60828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 60838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc; 60848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 60858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = mii_link_ok(&priv->mii_if); 60868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return rc; 60878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 60888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 60898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 60908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_drvinfo - get network driver information 60918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 60928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @info: Ethtool driver info data structure. 60938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 60948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure returns the driver information. 60958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 60968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_get_drvinfo(struct net_device *dev, 60978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_drvinfo *info) 60988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 60998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 61008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 61018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha strcpy(info->driver, DRV_NAME); 61038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha strcpy(info->version, DRV_VERSION); 61048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha strcpy(info->bus_info, pci_name(hw_priv->pdev)); 61058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 61068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 61088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_regs_len - get length of register dump 61098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 61108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 61118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function returns the length of the register dump. 61128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 61138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return length of the register dump. 61148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 61158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic struct hw_regs { 61168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int start; 61178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int end; 61188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} hw_regs_range[] = { 61198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { KS_DMA_TX_CTRL, KS884X_INTERRUPTS_STATUS }, 61208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { KS_ADD_ADDR_0_LO, KS_ADD_ADDR_F_HI }, 61218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { KS884X_ADDR_0_OFFSET, KS8841_WOL_FRAME_BYTE2_OFFSET }, 61228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { KS884X_SIDER_P, KS8842_SGCR7_P }, 61238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { KS8842_MACAR1_P, KS8842_TOSR8_P }, 61248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { KS884X_P1MBCR_P, KS8842_P3ERCR_P }, 61258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { 0, 0 } 61268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 61278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_get_regs_len(struct net_device *dev) 61298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 61308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct hw_regs *range = hw_regs_range; 61318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int regs_len = 0x10 * sizeof(u32); 61328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (range->end > range->start) { 61348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha regs_len += (range->end - range->start + 3) / 4 * 4; 61358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha range++; 61368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 61378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return regs_len; 61388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 61398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 61418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_regs - get register dump 61428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 61438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @regs: Ethtool registers data structure. 61448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ptr: Buffer to store the register values. 61458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 61468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure dumps the register values in the provided buffer. 61478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 61488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_get_regs(struct net_device *dev, struct ethtool_regs *regs, 61498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha void *ptr) 61508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 61518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 61528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 61538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 61548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int *buf = (int *) ptr; 61558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct hw_regs *range = hw_regs_range; 61568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int len; 61578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_lock(&hw_priv->lock); 61598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha regs->version = 0; 61608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (len = 0; len < 0x40; len += 4) { 61618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_read_config_dword(hw_priv->pdev, len, buf); 61628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha buf++; 61638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 61648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (range->end > range->start) { 61658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (len = range->start; len < range->end; len += 4) { 61668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *buf = readl(hw->io + len); 61678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha buf++; 61688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 61698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha range++; 61708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 61718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_unlock(&hw_priv->lock); 61728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 61738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define WOL_SUPPORT \ 61758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (WAKE_PHY | WAKE_MAGIC | \ 61768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha WAKE_UCAST | WAKE_MCAST | \ 61778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha WAKE_BCAST | WAKE_ARP) 61788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 61808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_wol - get Wake-on-LAN support 61818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 61828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @wol: Ethtool Wake-on-LAN data structure. 61838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 61848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure returns Wake-on-LAN support. 61858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 61868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_get_wol(struct net_device *dev, 61878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_wolinfo *wol) 61888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 61898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 61908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 61918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha wol->supported = hw_priv->wol_support; 61938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha wol->wolopts = hw_priv->wol_enable; 61948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memset(&wol->sopass, 0, sizeof(wol->sopass)); 61958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 61968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 61978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 61988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_set_wol - set Wake-on-LAN support 61998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 62008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @wol: Ethtool Wake-on-LAN data structure. 62018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function sets Wake-on-LAN support. 62038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code. 62058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 62068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_set_wol(struct net_device *dev, 62078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_wolinfo *wol) 62088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 62098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 62108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 62118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Need to find a way to retrieve the device IP address. */ 62138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 net_addr[] = { 192, 168, 1, 1 }; 62148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (wol->wolopts & ~hw_priv->wol_support) 62168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -EINVAL; 62178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->wol_enable = wol->wolopts; 62198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Link wakeup cannot really be disabled. */ 62218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (wol->wolopts) 62228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->wol_enable |= WAKE_PHY; 62238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_enable_wol(&hw_priv->hw, hw_priv->wol_enable, net_addr); 62248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 62258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 62268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 62288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_msglevel - get debug message level 62298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 62308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function returns current debug message level. 62328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return current debug message flags. 62348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 62358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic u32 netdev_get_msglevel(struct net_device *dev) 62368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 62378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 62388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return priv->msg_enable; 62408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 62418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 62438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_set_msglevel - set debug message level 62448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 62458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @value: Debug message flags. 62468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure sets debug message level. 62488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 62498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_set_msglevel(struct net_device *dev, u32 value) 62508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 62518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 62528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->msg_enable = value; 62548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 62558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 62578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_eeprom_len - get EEPROM length 62588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 62598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function returns the length of the EEPROM. 62618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return length of the EEPROM. 62638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 62648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_get_eeprom_len(struct net_device *dev) 62658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 62668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return EEPROM_SIZE * 2; 62678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 62688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 62708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_eeprom - get EEPROM data 62718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 62728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @eeprom: Ethtool EEPROM data structure. 62738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: Buffer to store the EEPROM data. 62748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function dumps the EEPROM data in the provided buffer. 62768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 62778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code. 62788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 62798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define EEPROM_MAGIC 0x10A18842 62808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_get_eeprom(struct net_device *dev, 62828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_eeprom *eeprom, u8 *data) 62838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 62848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 62858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 62868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 *eeprom_byte = (u8 *) eeprom_data; 62878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 62888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int len; 62898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha len = (eeprom->offset + eeprom->len + 1) / 2; 62918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = eeprom->offset / 2; i < len; i++) 62928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom_data[i] = eeprom_read(&hw_priv->hw, i); 62938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom->magic = EEPROM_MAGIC; 62948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(data, &eeprom_byte[eeprom->offset], eeprom->len); 62958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 62978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 62988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 62998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 63008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_set_eeprom - write EEPROM data 63018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 63028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @eeprom: Ethtool EEPROM data structure. 63038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: Data buffer. 63048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 63058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function modifies the EEPROM data one byte at a time. 63068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 63078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code. 63088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 63098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_set_eeprom(struct net_device *dev, 63108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_eeprom *eeprom, u8 *data) 63118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 63128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 63138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 63148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 eeprom_word[EEPROM_SIZE]; 63158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 *eeprom_byte = (u8 *) eeprom_word; 63168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 63178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int len; 63188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 63198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (eeprom->magic != EEPROM_MAGIC) 63204881a4f89a95cc5fef6d32953954bcc3443eefd5Jens Rottmann return -EINVAL; 63218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 63228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha len = (eeprom->offset + eeprom->len + 1) / 2; 63238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = eeprom->offset / 2; i < len; i++) 63248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom_data[i] = eeprom_read(&hw_priv->hw, i); 63258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(eeprom_word, eeprom_data, EEPROM_SIZE * 2); 63268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(&eeprom_byte[eeprom->offset], data, eeprom->len); 63278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < EEPROM_SIZE; i++) 63288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (eeprom_word[i] != eeprom_data[i]) { 63298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom_data[i] = eeprom_word[i]; 63308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha eeprom_write(&hw_priv->hw, i, eeprom_data[i]); 63318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 63328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 63338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 63348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 63358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 63368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 63378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_pauseparam - get flow control parameters 63388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 63398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @pause: Ethtool PAUSE settings data structure. 63408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 63418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure returns the PAUSE control flow settings. 63428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 63438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_get_pauseparam(struct net_device *dev, 63448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_pauseparam *pause) 63458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 63468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 63478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 63488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 63498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 63508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pause->autoneg = (hw->overrides & PAUSE_FLOW_CTRL) ? 0 : 1; 63518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw->ksz_switch) { 63528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pause->rx_pause = 63538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (hw->rx_cfg & DMA_RX_FLOW_ENABLE) ? 1 : 0; 63548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pause->tx_pause = 63558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (hw->tx_cfg & DMA_TX_FLOW_ENABLE) ? 1 : 0; 63568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 63578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pause->rx_pause = 63588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (sw_chk(hw, KS8842_SWITCH_CTRL_1_OFFSET, 63598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_RX_FLOW_CTRL)) ? 1 : 0; 63608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pause->tx_pause = 63618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (sw_chk(hw, KS8842_SWITCH_CTRL_1_OFFSET, 63628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_TX_FLOW_CTRL)) ? 1 : 0; 63638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 63648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 63658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 63668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 63678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_set_pauseparam - set flow control parameters 63688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 63698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @pause: Ethtool PAUSE settings data structure. 63708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 63718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function sets the PAUSE control flow settings. 63728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Not implemented yet. 63738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 63748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code. 63758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 63768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_set_pauseparam(struct net_device *dev, 63778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_pauseparam *pause) 63788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 63798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 63808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 63818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 63828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 63838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 63848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_lock(&hw_priv->lock); 63858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (pause->autoneg) { 63868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!pause->rx_pause && !pause->tx_pause) 63878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->flow_ctrl = PHY_NO_FLOW_CTRL; 63888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 63898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->flow_ctrl = PHY_FLOW_CTRL; 63908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->overrides &= ~PAUSE_FLOW_CTRL; 63918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->force_link = 0; 63928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->ksz_switch) { 63938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET, 63948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_RX_FLOW_CTRL, 1); 63958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET, 63968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_TX_FLOW_CTRL, 1); 63978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 63988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_link_speed(port); 63998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 64008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->overrides |= PAUSE_FLOW_CTRL; 64018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->ksz_switch) { 64028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET, 64038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_RX_FLOW_CTRL, pause->rx_pause); 64048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET, 64058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SWITCH_TX_FLOW_CTRL, pause->tx_pause); 64068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else 64078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha set_flow_ctrl(hw, pause->rx_pause, pause->tx_pause); 64088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 64098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_unlock(&hw_priv->lock); 64108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 64128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 64138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 64158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_ringparam - get tx/rx ring parameters 64168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 64178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @pause: Ethtool RING settings data structure. 64188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 64198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure returns the TX/RX ring settings. 64208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 64218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_get_ringparam(struct net_device *dev, 64228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_ringparam *ring) 64238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 64248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 64258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 64268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 64278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ring->tx_max_pending = (1 << 9); 64298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ring->tx_pending = hw->tx_desc_info.alloc; 64308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ring->rx_max_pending = (1 << 9); 64318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ring->rx_pending = hw->rx_desc_info.alloc; 64328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 64338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define STATS_LEN (TOTAL_PORT_COUNTER_NUM) 64358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic struct { 64378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha char string[ETH_GSTRING_LEN]; 64388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} ethtool_stats_keys[STATS_LEN] = { 64398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_lo_priority_octets" }, 64408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_hi_priority_octets" }, 64418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_undersize_packets" }, 64428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_fragments" }, 64438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_oversize_packets" }, 64448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_jabbers" }, 64458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_symbol_errors" }, 64468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_crc_errors" }, 64478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_align_errors" }, 64488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_mac_ctrl_packets" }, 64498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_pause_packets" }, 64508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_bcast_packets" }, 64518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_mcast_packets" }, 64528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_ucast_packets" }, 64538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_64_or_less_octet_packets" }, 64548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_65_to_127_octet_packets" }, 64558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_128_to_255_octet_packets" }, 64568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_256_to_511_octet_packets" }, 64578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_512_to_1023_octet_packets" }, 64588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_1024_to_1522_octet_packets" }, 64598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_lo_priority_octets" }, 64618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_hi_priority_octets" }, 64628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_late_collisions" }, 64638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_pause_packets" }, 64648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_bcast_packets" }, 64658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_mcast_packets" }, 64668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_ucast_packets" }, 64678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_deferred" }, 64688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_total_collisions" }, 64698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_excessive_collisions" }, 64708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_single_collisions" }, 64718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_mult_collisions" }, 64728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "rx_discards" }, 64748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { "tx_discards" }, 64758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 64768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 64788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_strings - get statistics identity strings 64798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 64808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @stringset: String set identifier. 64818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @buf: Buffer to store the strings. 64828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 64838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure returns the strings used to identify the statistics. 64848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 64858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 64868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 64878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 64888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 64898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 64908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (ETH_SS_STATS == stringset) 64928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(buf, ðtool_stats_keys, 64938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ETH_GSTRING_LEN * hw->mib_cnt); 64948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 64958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 64968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 64978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_sset_count - get statistics size 64988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 64998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @sset: The statistics set number. 65008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 65018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function returns the size of the statistics to be reported. 65028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 65038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return size of the statistics to be reported. 65048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 65058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_get_sset_count(struct net_device *dev, int sset) 65068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 65078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 65088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 65098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 65108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 65118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha switch (sset) { 65128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha case ETH_SS_STATS: 65138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return hw->mib_cnt; 65148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha default: 65158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return -EOPNOTSUPP; 65168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 65178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 65188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 65198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 65208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_ethtool_stats - get network device statistics 65218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 65228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @stats: Ethtool statistics data structure. 65238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: Buffer to store the statistics. 65248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 65258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This procedure returns the statistics. 65268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 65278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_get_ethtool_stats(struct net_device *dev, 65288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ethtool_stats *stats, u64 *data) 65298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 65308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 65318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 65328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 65338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 65348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int n_stats = stats->n_stats; 65358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 65368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int n; 65378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int p; 65388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int rc; 65398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u64 counter[TOTAL_PORT_COUNTER_NUM]; 65408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 65418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_lock(&hw_priv->lock); 65428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha n = SWITCH_PORT_NUM; 65438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, p = port->first_port; i < port->mib_port_cnt; i++, p++) { 65448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (media_connected == hw->port_mib[p].state) { 65458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[p].read = 1; 65468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 65478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Remember first port that requests read. */ 65488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (n == SWITCH_PORT_NUM) 65498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha n = p; 65508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 65518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 65528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_unlock(&hw_priv->lock); 65538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 65548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (n < SWITCH_PORT_NUM) 65558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha schedule_work(&hw_priv->mib_read); 65568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 65578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (1 == port->mib_port_cnt && n < SWITCH_PORT_NUM) { 65588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha p = n; 65598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = wait_event_interruptible_timeout( 65608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[p].counter, 65618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2 == hw_priv->counter[p].read, 65628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha HZ * 1); 65638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else 65648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0, p = n; i < port->mib_port_cnt - n; i++, p++) { 65658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (0 == i) { 65668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = wait_event_interruptible_timeout( 65678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[p].counter, 65688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2 == hw_priv->counter[p].read, 65698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha HZ * 2); 65708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else if (hw->port_mib[p].cnt_ptr) { 65718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha rc = wait_event_interruptible_timeout( 65728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[p].counter, 65738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 2 == hw_priv->counter[p].read, 65748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha HZ * 1); 65758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 65768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 65778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 65788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha get_mib_counters(hw, port->first_port, port->mib_port_cnt, counter); 65798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha n = hw->mib_cnt; 65808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (n > n_stats) 65818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha n = n_stats; 65828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha n_stats -= n; 65838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < n; i++) 65848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha *data++ = counter[i]; 65858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 65868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 65878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 65888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_get_rx_csum - get receive checksum support 65898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 65908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 65918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function gets receive checksum support setting. 65928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 65938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return true if receive checksum is enabled; false otherwise. 65948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 65958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic u32 netdev_get_rx_csum(struct net_device *dev) 65968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 65978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 65988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 65998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 66008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return hw->rx_cfg & 66028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (DMA_RX_CSUM_UDP | 66038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha DMA_RX_CSUM_TCP | 66048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha DMA_RX_CSUM_IP); 66058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 66068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 66088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_set_rx_csum - set receive checksum support 66098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 66108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @data: Zero to disable receive checksum support. 66118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 66128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function sets receive checksum support setting. 66138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 66148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code. 66158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 66168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int netdev_set_rx_csum(struct net_device *dev, u32 data) 66178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 66188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 66198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 66208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 66218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u32 new_setting = hw->rx_cfg; 66228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (data) 66248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha new_setting |= 66258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (DMA_RX_CSUM_UDP | DMA_RX_CSUM_TCP | 66268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha DMA_RX_CSUM_IP); 66278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 66288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha new_setting &= 66298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ~(DMA_RX_CSUM_UDP | DMA_RX_CSUM_TCP | 66308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha DMA_RX_CSUM_IP); 66318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha new_setting &= ~DMA_RX_CSUM_UDP; 66328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_lock(&hw_priv->lock); 66338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (new_setting != hw->rx_cfg) { 66348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->rx_cfg = new_setting; 66358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->enabled) 66368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha writel(hw->rx_cfg, hw->io + KS_DMA_RX_CTRL); 66378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 66388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_unlock(&hw_priv->lock); 66398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 66408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 66418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic struct ethtool_ops netdev_ethtool_ops = { 66438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_settings = netdev_get_settings, 66448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .set_settings = netdev_set_settings, 66458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .nway_reset = netdev_nway_reset, 66468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_link = netdev_get_link, 66478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_drvinfo = netdev_get_drvinfo, 66488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_regs_len = netdev_get_regs_len, 66498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_regs = netdev_get_regs, 66508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_wol = netdev_get_wol, 66518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .set_wol = netdev_set_wol, 66528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_msglevel = netdev_get_msglevel, 66538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .set_msglevel = netdev_set_msglevel, 66548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_eeprom_len = netdev_get_eeprom_len, 66558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_eeprom = netdev_get_eeprom, 66568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .set_eeprom = netdev_set_eeprom, 66578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_pauseparam = netdev_get_pauseparam, 66588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .set_pauseparam = netdev_set_pauseparam, 66598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_ringparam = netdev_get_ringparam, 66608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_strings = netdev_get_strings, 66618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_sset_count = netdev_get_sset_count, 66628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_ethtool_stats = netdev_get_ethtool_stats, 66638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_rx_csum = netdev_get_rx_csum, 66648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .set_rx_csum = netdev_set_rx_csum, 66658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_tx_csum = ethtool_op_get_tx_csum, 66668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .set_tx_csum = ethtool_op_set_tx_csum, 66678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .get_sg = ethtool_op_get_sg, 66688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .set_sg = ethtool_op_set_sg, 66698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 66708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 66728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Hardware monitoring 66738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 66748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void update_link(struct net_device *dev, struct dev_priv *priv, 66768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port) 66778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 66788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (priv->media_state != port->linked->state) { 66798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->media_state = port->linked->state; 66800dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches if (netif_running(dev)) 66810dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches set_media_state(dev, media_connected); 66828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 66838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 66848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void mib_read_work(struct work_struct *work) 66868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 66878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = 66888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha container_of(work, struct dev_info, mib_read); 66898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 66908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port_mib *mib; 66918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 66928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next_jiffies = jiffies; 66948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->mib_port_cnt; i++) { 66958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib = &hw->port_mib[i]; 66968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 66978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Reading MIB counters or requested to read. */ 66988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (mib->cnt_ptr || 1 == hw_priv->counter[i].read) { 66998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Need to process receive interrupt. */ 67018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (port_r_cnt(hw, i)) 67028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 67038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[i].read = 0; 67048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Finish reading counters. */ 67068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (0 == mib->cnt_ptr) { 67078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[i].read = 2; 67088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha wake_up_interruptible( 67098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha &hw_priv->counter[i].counter); 67108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 67118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else if (jiffies >= hw_priv->counter[i].time) { 67128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Only read MIB counters when the port is connected. */ 67138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (media_connected == mib->state) 67148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[i].read = 1; 67158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha next_jiffies += HZ * 1 * hw->mib_port_cnt; 67168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[i].time = next_jiffies; 67178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Port is just disconnected. */ 67198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else if (mib->link_down) { 67208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib->link_down = 0; 67218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Read counters one last time after link is lost. */ 67238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->counter[i].read = 1; 67248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 67258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 67268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 67278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void mib_monitor(unsigned long ptr) 67298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 67308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = (struct dev_info *) ptr; 67318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib_read_work(&hw_priv->mib_read); 67338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* This is used to verify Wake-on-LAN is working. */ 67358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_priv->pme_wait) { 67368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_priv->pme_wait <= jiffies) { 67378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_clr_wol_pme_status(&hw_priv->hw); 67388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->pme_wait = 0; 67398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 67408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else if (hw_chk_wol_pme_status(&hw_priv->hw)) { 67418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* PME is asserted. Wait 2 seconds to clear it. */ 67438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->pme_wait = jiffies + HZ * 2; 67448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 67458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_update_timer(&hw_priv->mib_timer_info); 67478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 67488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 67508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * dev_monitor - periodic monitoring 67518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @ptr: Network device pointer. 67528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 67538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This routine is run in a kernel timer to monitor the network device. 67548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 67558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void dev_monitor(unsigned long ptr) 67568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 67578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = (struct net_device *) ptr; 67588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 67598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = priv->adapter; 67608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 67618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port = &priv->port; 67628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!(hw->features & LINK_INT_WORKING)) 67648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_get_link_speed(port); 67658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha update_link(dev, priv, port); 67668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_update_timer(&priv->monitor_timer_info); 67688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 67698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 67718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Linux network device interface functions 67728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 67738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* Driver exported variables */ 67758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int msg_enable; 67778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic char *macaddr = ":"; 67798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic char *mac1addr = ":"; 67808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 67828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This enables multiple network device mode for KSZ8842, which contains a 67838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * switch with two physical ports. Some users like to take control of the 67848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * ports for running Spanning Tree Protocol. The driver will create an 67858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * additional eth? device for the other port. 67868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 67878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Some limitations are the network devices cannot have different MTU and 67888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * multicast hash tables. 67898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 67908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int multi_dev; 67918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 67928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 67938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * As most users select multiple network device mode to use Spanning Tree 67948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Protocol, this enables a feature in which most unicast and multicast packets 67958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * are forwarded inside the switch and not passed to the host. Only packets 67968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * that need the host's attention are passed to it. This prevents the host 67978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * wasting CPU time to examine each and every incoming packets and do the 67988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * forwarding itself. 67998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 68008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * As the hack requires the private bridge header, the driver cannot compile 68018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * with just the kernel headers. 68028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 68038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Enabling STP support also turns on multiple network device mode. 68048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 68058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int stp; 68068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/* 68088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This enables fast aging in the KSZ8842 switch. Not sure what situation 68098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * needs that. However, fast aging is used to flush the dynamic MAC table when 68108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * STP suport is enabled. 68118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 68128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int fast_aging; 68138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha/** 68158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * netdev_init - initalize network device. 68168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * @dev: Network device. 68178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 68188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * This function initializes the network device. 68198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * 68208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Return 0 if successful; otherwise an error code indicating failure. 68218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 68228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int __init netdev_init(struct net_device *dev) 68238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 68248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv = netdev_priv(dev); 68258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 500 ms timeout */ 68278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_init_timer(&priv->monitor_timer_info, 500 * HZ / 1000, 68288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev_monitor, dev); 68298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 500 ms timeout */ 68318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->watchdog_timeo = HZ / 2; 68328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->features |= NETIF_F_IP_CSUM; 68348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 68368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * Hardware does not really support IPv6 checksum generation, but 68378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha * driver actually runs faster with this on. Refer IPV6_CSUM_GEN_HACK. 68388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha */ 68398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->features |= NETIF_F_IPV6_CSUM; 68408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->features |= NETIF_F_SG; 68418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sema_init(&priv->proc_sem, 1); 68438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->mii_if.phy_id_mask = 0x1; 68458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->mii_if.reg_num_mask = 0x7; 68468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->mii_if.dev = dev; 68478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->mii_if.mdio_read = mdio_read; 68488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->mii_if.mdio_write = mdio_write; 68498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->mii_if.phy_id = priv->port.first_port + 1; 68508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->msg_enable = netif_msg_init(msg_enable, 68528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)); 68538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 68558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 68568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic const struct net_device_ops netdev_ops = { 68588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_init = netdev_init, 68598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_open = netdev_open, 68608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_stop = netdev_close, 68618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_get_stats = netdev_query_statistics, 68628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_start_xmit = netdev_tx, 68638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_tx_timeout = netdev_tx_timeout, 68648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_change_mtu = netdev_change_mtu, 68658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_set_mac_address = netdev_set_mac_address, 686696ed741e15896eea43f7203523db88bc8105c359Denis Kirjanov .ndo_validate_addr = eth_validate_addr, 68678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_do_ioctl = netdev_ioctl, 68688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_set_rx_mode = netdev_set_rx_mode, 68698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifdef CONFIG_NET_POLL_CONTROLLER 68708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .ndo_poll_controller = netdev_netpoll, 68718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 68728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 68738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void netdev_free(struct net_device *dev) 68758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 68768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (dev->watchdog_timeo) 68778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha unregister_netdev(dev); 68788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha free_netdev(dev); 68808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 68818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastruct platform_info { 68838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info dev_info; 68848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *netdev[SWITCH_PORT_NUM]; 68858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 68868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int net_device_present; 68888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void get_mac_addr(struct dev_info *hw_priv, u8 *macaddr, int port) 68908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 68918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 68928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int j; 68938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int got_num; 68948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int num; 68958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 68968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha i = j = num = got_num = 0; 68978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha while (j < MAC_ADDR_LEN) { 68988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (macaddr[i]) { 68998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha got_num = 1; 69008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if ('0' <= macaddr[i] && macaddr[i] <= '9') 69018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num = num * 16 + macaddr[i] - '0'; 69028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if ('A' <= macaddr[i] && macaddr[i] <= 'F') 69038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num = num * 16 + 10 + macaddr[i] - 'A'; 69048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if ('a' <= macaddr[i] && macaddr[i] <= 'f') 69058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num = num * 16 + 10 + macaddr[i] - 'a'; 69068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else if (':' == macaddr[i]) 69078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha got_num = 2; 69088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 69098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 69108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else if (got_num) 69118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha got_num = 2; 69128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else 69138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha break; 69148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (2 == got_num) { 69158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (MAIN_PORT == port) { 69168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->hw.override_addr[j++] = (u8) num; 69178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->hw.override_addr[5] += 69188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->hw.id; 69198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } else { 69208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->hw.ksz_switch->other_addr[j++] = 69218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (u8) num; 69228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->hw.ksz_switch->other_addr[5] += 69238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->hw.id; 69248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 69258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha num = got_num = 0; 69268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 69278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha i++; 69288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 69298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (MAC_ADDR_LEN == j) { 69308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (MAIN_PORT == port) 69318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->hw.mac_override = 1; 69328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 69338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 69348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define KS884X_DMA_MASK (~0x0UL) 69368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void read_other_addr(struct ksz_hw *hw) 69388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 69398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 69408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u16 data[3]; 69418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_switch *sw = hw->ksz_switch; 69428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < 3; i++) 69448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha data[i] = eeprom_read(hw, i + EEPROM_DATA_OTHER_MAC_ADDR); 69458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if ((data[0] || data[1] || data[2]) && data[0] != 0xffff) { 69468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->other_addr[5] = (u8) data[0]; 69478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->other_addr[4] = (u8)(data[0] >> 8); 69488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->other_addr[3] = (u8) data[1]; 69498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->other_addr[2] = (u8)(data[1] >> 8); 69508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->other_addr[1] = (u8) data[2]; 69518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw->other_addr[0] = (u8)(data[2] >> 8); 69528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 69538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 69548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifndef PCI_VENDOR_ID_MICREL_KS 69568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#define PCI_VENDOR_ID_MICREL_KS 0x16c6 69578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 69588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int __init pcidev_init(struct pci_dev *pdev, 69608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha const struct pci_device_id *id) 69618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 69628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev; 69638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_priv *priv; 69648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv; 69658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw; 69668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct platform_info *info; 69678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_port *port; 69688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha unsigned long reg_base; 69698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha unsigned long reg_len; 69708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int cnt; 69718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 69728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int mib_port_count; 69738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int pi; 69748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int port_count; 69758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int result; 69760dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches char banner[sizeof(version)]; 69778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_switch *sw = NULL; 69788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha result = pci_enable_device(pdev); 69808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (result) 69818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return result; 69828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha result = -ENODEV; 69848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) || 69868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 69878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return result; 69888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha reg_base = pci_resource_start(pdev, 0); 69908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha reg_len = pci_resource_len(pdev, 0); 69918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if ((pci_resource_flags(pdev, 0) & IORESOURCE_IO) != 0) 69928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return result; 69938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!request_mem_region(reg_base, reg_len, DRV_NAME)) 69958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return result; 69968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_set_master(pdev); 69978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 69988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha result = -ENOMEM; 69998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70000dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches info = kzalloc(sizeof(struct platform_info), GFP_KERNEL); 70018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!info) 70028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto pcidev_init_dev_err; 70038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv = &info->dev_info; 70058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->pdev = pdev; 70068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw = &hw_priv->hw; 70088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->io = ioremap(reg_base, reg_len); 70108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw->io) 70118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto pcidev_init_io_err; 70128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha cnt = hw_init(hw); 70148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!cnt) { 70158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (msg_enable & NETIF_MSG_PROBE) 70160dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches pr_alert("chip not detected\n"); 70178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha result = -ENODEV; 70188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto pcidev_init_alloc_err; 70198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 70208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70210dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches snprintf(banner, sizeof(banner), "%s", version); 70220dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches banner[13] = cnt + '0'; /* Replace x in "Micrel KSZ884x" */ 70230dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches dev_info(&hw_priv->pdev->dev, "%s\n", banner); 70240dc7d2b3cbfcf4ff20bdc68f563a2e52e6a2178fJoe Perches dev_dbg(&hw_priv->pdev->dev, "Mem = %p; IRQ = %d\n", hw->io, pdev->irq); 70258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Assume device is KSZ8841. */ 70278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->dev_count = 1; 70288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_count = 1; 70298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib_port_count = 1; 70308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->addr_list_size = 0; 70318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->mib_cnt = PORT_COUNTER_NUM; 70328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->mib_port_cnt = 1; 70338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* KSZ8842 has a switch with multiple ports. */ 70358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (2 == cnt) { 70368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (fast_aging) 70378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->overrides |= FAST_AGING; 70388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->mib_cnt = TOTAL_PORT_COUNTER_NUM; 70408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Multiple network device interfaces are required. */ 70428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (multi_dev) { 70438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->dev_count = SWITCH_PORT_NUM; 70448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->addr_list_size = SWITCH_PORT_NUM - 1; 70458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 70468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Single network device has multiple ports. */ 70488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (1 == hw->dev_count) { 70498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_count = SWITCH_PORT_NUM; 70508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib_port_count = SWITCH_PORT_NUM; 70518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 70528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->mib_port_cnt = TOTAL_PORT_NUM; 7053a05abcb5c912ce7127e5c638b490313e88541784Julia Lawall hw->ksz_switch = kzalloc(sizeof(struct ksz_switch), GFP_KERNEL); 70548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!hw->ksz_switch) 70558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto pcidev_init_alloc_err; 70568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw = hw->ksz_switch; 70588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 70598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->mib_port_cnt; i++) 70608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_mib[i].mib_start = 0; 70618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->parent = hw_priv; 70638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Default MTU is 1500. */ 70658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->mtu = (REGULAR_RX_BUF_SIZE + 3) & ~3; 70668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (ksz_alloc_mem(hw_priv)) 70688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto pcidev_init_mem_err; 70698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->hw.id = net_device_present; 70718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha spin_lock_init(&hw_priv->hwlock); 70738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mutex_init(&hw_priv->lock); 70748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* tasklet is enabled. */ 70768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_init(&hw_priv->rx_tasklet, rx_proc_task, 70778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (unsigned long) hw_priv); 70788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_init(&hw_priv->tx_tasklet, tx_proc_task, 70798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha (unsigned long) hw_priv); 70808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* tasklet_enable will decrement the atomic counter. */ 70828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_disable(&hw_priv->rx_tasklet); 70838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha tasklet_disable(&hw_priv->tx_tasklet); 70848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < TOTAL_PORT_NUM; i++) 70868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha init_waitqueue_head(&hw_priv->counter[i].counter); 70878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (macaddr[0] != ':') 70898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha get_mac_addr(hw_priv, macaddr, MAIN_PORT); 70908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Read MAC address and initialize override address if not overrided. */ 70928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_read_addr(hw); 70938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 70948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Multiple device interfaces mode requires a second MAC address. */ 70958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->dev_count > 1) { 70968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(sw->other_addr, hw->override_addr, MAC_ADDR_LEN); 70978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha read_other_addr(hw); 70988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (mac1addr[0] != ':') 70998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha get_mac_addr(hw_priv, mac1addr, OTHER_PORT); 71008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 71018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_setup(hw); 71038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw->ksz_switch) 71048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha sw_setup(hw); 71058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else { 71068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->wol_support = WOL_SUPPORT; 71078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_priv->wol_enable = 0; 71088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 71098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha INIT_WORK(&hw_priv->mib_read, mib_read_work); 71118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* 500 ms timeout */ 71138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_init_timer(&hw_priv->mib_timer_info, 500 * HZ / 1000, 71148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha mib_monitor, hw_priv); 71158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->dev_count; i++) { 71178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev = alloc_etherdev(sizeof(struct dev_priv)); 71188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!dev) 71198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto pcidev_init_reg_err; 71208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->netdev[i] = dev; 71218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv = netdev_priv(dev); 71238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->adapter = hw_priv; 71248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha priv->id = net_device_present++; 71258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port = &priv->port; 71278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->port_cnt = port_count; 71288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->mib_port_cnt = mib_port_count; 71298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->first_port = i; 71308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->flow_ctrl = PHY_FLOW_CTRL; 71318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->hw = hw; 71338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port->linked = &hw->port_info[port->first_port]; 71348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (cnt = 0, pi = i; cnt < port_count; cnt++, pi++) { 71368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_info[pi].port_id = pi; 71378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_info[pi].pdev = dev; 71388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw->port_info[pi].state = media_disconnected; 71398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 71408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->mem_start = (unsigned long) hw->io; 71428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->mem_end = dev->mem_start + reg_len - 1; 71438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->irq = pdev->irq; 71448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (MAIN_PORT == i) 71458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(dev->dev_addr, hw_priv->hw.override_addr, 71468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha MAC_ADDR_LEN); 71478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha else { 71488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha memcpy(dev->dev_addr, sw->other_addr, 71498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha MAC_ADDR_LEN); 71508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (!memcmp(sw->other_addr, hw->override_addr, 71518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha MAC_ADDR_LEN)) 71528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->dev_addr[5] += port->first_port; 71538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 71548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha dev->netdev_ops = &netdev_ops; 71568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); 71578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (register_netdev(dev)) 71588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha goto pcidev_init_reg_err; 71598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha port_set_power_saving(port, true); 71608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 71618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_dev_get(hw_priv->pdev); 71638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_set_drvdata(pdev, info); 71648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 71658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hapcidev_init_reg_err: 71678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->dev_count; i++) { 71688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (info->netdev[i]) { 71698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netdev_free(info->netdev[i]); 71708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha info->netdev[i] = NULL; 71718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 71728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 71738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hapcidev_init_mem_err: 71758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_free_mem(hw_priv); 71768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha kfree(hw->ksz_switch); 71778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hapcidev_init_alloc_err: 71798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha iounmap(hw->io); 71808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hapcidev_init_io_err: 71828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha kfree(info); 71838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hapcidev_init_dev_err: 71858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_mem_region(reg_base, reg_len); 71868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return result; 71888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 71898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void pcidev_exit(struct pci_dev *pdev) 71918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 71928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 71938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct platform_info *info = pci_get_drvdata(pdev); 71948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = &info->dev_info; 71958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_set_drvdata(pdev, NULL); 71978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 71988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha release_mem_region(pci_resource_start(pdev, 0), 71998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_resource_len(pdev, 0)); 72008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw_priv->hw.dev_count; i++) { 72018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (info->netdev[i]) 72028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netdev_free(info->netdev[i]); 72038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 72048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_priv->hw.io) 72058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha iounmap(hw_priv->hw.io); 72068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha ksz_free_mem(hw_priv); 72078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha kfree(hw_priv->hw.ksz_switch); 72088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_dev_put(hw_priv->pdev); 72098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha kfree(info); 72108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 72118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifdef CONFIG_PM 72138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int pcidev_resume(struct pci_dev *pdev) 72148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 72158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 72168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct platform_info *info = pci_get_drvdata(pdev); 72178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = &info->dev_info; 72188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 72198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_set_power_state(pdev, PCI_D0); 72218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_restore_state(pdev); 72228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_enable_wake(pdev, PCI_D0, 0); 72238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72248ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_priv->wol_enable) 72258ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_wol_pme(hw, 0); 72268ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->dev_count; i++) { 72278ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (info->netdev[i]) { 72288ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = info->netdev[i]; 72298ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72308ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (netif_running(dev)) { 72318ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netdev_open(dev); 72328ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netif_device_attach(dev); 72338ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 72348ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 72358ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 72368ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 72378ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 72388ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72398ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int pcidev_suspend(struct pci_dev *pdev, pm_message_t state) 72408ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 72418ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha int i; 72428ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct platform_info *info = pci_get_drvdata(pdev); 72438ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct dev_info *hw_priv = &info->dev_info; 72448ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct ksz_hw *hw = &hw_priv->hw; 72458ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72468ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha /* Need to find a way to retrieve the device IP address. */ 72478ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha u8 net_addr[] = { 192, 168, 1, 1 }; 72488ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72498ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha for (i = 0; i < hw->dev_count; i++) { 72508ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (info->netdev[i]) { 72518ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha struct net_device *dev = info->netdev[i]; 72528ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72538ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (netif_running(dev)) { 72548ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netif_device_detach(dev); 72558ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha netdev_close(dev); 72568ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 72578ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 72588ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 72598ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha if (hw_priv->wol_enable) { 72608ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_enable_wol(hw, hw_priv->wol_enable, net_addr); 72618ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha hw_cfg_wol_pme(hw, 1); 72628ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha } 72638ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72648ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_save_state(pdev); 72658ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); 72668ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_set_power_state(pdev, pci_choose_state(pdev, state)); 72678ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return 0; 72688ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 72698ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 72708ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72718ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic char pcidev_name[] = "ksz884xp"; 72728ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72738ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic struct pci_device_id pcidev_table[] = { 72748ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { PCI_VENDOR_ID_MICREL_KS, 0x8841, 72758ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, 72768ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { PCI_VENDOR_ID_MICREL_KS, 0x8842, 72778ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, 72788ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha { 0 } 72798ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 72808ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72818ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_DEVICE_TABLE(pci, pcidev_table); 72828ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72838ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic struct pci_driver pci_device_driver = { 72848ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#ifdef CONFIG_PM 72858ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .suspend = pcidev_suspend, 72868ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .resume = pcidev_resume, 72878ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha#endif 72888ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .name = pcidev_name, 72898ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .id_table = pcidev_table, 72908ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .probe = pcidev_init, 72918ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha .remove = pcidev_exit 72928ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha}; 72938ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72948ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic int __init ksz884x_init_module(void) 72958ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 72968ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha return pci_register_driver(&pci_device_driver); 72978ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 72988ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 72998ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hastatic void __exit ksz884x_cleanup_module(void) 73008ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha{ 73018ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha pci_unregister_driver(&pci_device_driver); 73028ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha} 73038ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 73048ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hamodule_init(ksz884x_init_module); 73058ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hamodule_exit(ksz884x_cleanup_module); 73068ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 73078ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_DESCRIPTION("KSZ8841/2 PCI network driver"); 73088ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_AUTHOR("Tristram Ha <Tristram.Ha@micrel.com>"); 73098ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_LICENSE("GPL"); 73108ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 73118ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hamodule_param_named(message, msg_enable, int, 0); 73128ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_PARM_DESC(message, "Message verbosity level (0=none, 31=all)"); 73138ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Ha 73148ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hamodule_param(macaddr, charp, 0); 73158ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hamodule_param(mac1addr, charp, 0); 73168ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hamodule_param(fast_aging, int, 0); 73178ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hamodule_param(multi_dev, int, 0); 73188ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram Hamodule_param(stp, int, 0); 73198ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_PARM_DESC(macaddr, "MAC address"); 73208ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_PARM_DESC(mac1addr, "Second MAC address"); 73218ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_PARM_DESC(fast_aging, "Fast aging"); 73228ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_PARM_DESC(multi_dev, "Multiple device interfaces"); 73238ca86fd83eae6c73db5f6b23ee3a63b77d52c8eeTristram HaMODULE_PARM_DESC(stp, "STP support"); 7324