mwl8k.c revision f1d58c2521eb160178b2151d6326d8dc5d7c8560
1a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * drivers/net/wireless/mwl8k.c driver for Marvell TOPDOG 802.11 Wireless cards 3a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 4a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Copyright (C) 2008 Marvell Semiconductor Inc. 5a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 6a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This file is licensed under the terms of the GNU General Public 7a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * License version 2. This program is licensed "as is" without any 8a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * warranty of any kind, whether express or implied. 9a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 10a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/init.h> 12a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/module.h> 13a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/kernel.h> 14a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/spinlock.h> 15a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/list.h> 16a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/pci.h> 17a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/delay.h> 18a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/completion.h> 19a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/etherdevice.h> 20a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <net/mac80211.h> 21a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/moduleparam.h> 22a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/firmware.h> 23a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/workqueue.h> 24a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver" 26a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_NAME KBUILD_MODNAME 27a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_VERSION "0.9.1" 28a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 30a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 31a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 32a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_LICENSE("GPL"); 33a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 34a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_table) = { 35a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = 8687, }, 36a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = 8687, }, 37a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { } 38a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 39a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_table); 40a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 41a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define IEEE80211_ADDR_LEN ETH_ALEN 42a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 43a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Register definitions */ 44a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_GEN_PTR 0x00000c10 45a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_MODE_STA 0x0000005a 46a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_MODE_AP 0x000000a5 47a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_INT_CODE 0x00000c14 48a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FWSTA_READY 0xf0f1f2f4 49a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FWAP_READY 0xf1f2f4a5 50a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005 51a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_SCRATCH 0x00000c40 52a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 53a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Host->device communications */ 54a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18 55a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c 56a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20 57a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24 58a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28 59a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_H2A_INT_DUMMY (1 << 20) 60a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_H2A_INT_RESET (1 << 15) 61a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_H2A_INT_PS (1 << 2) 62a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_H2A_INT_DOORBELL (1 << 1) 63a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_H2A_INT_PPA_READY (1 << 0) 64a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 65a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Device->host communications */ 66a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c 67a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30 68a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34 69a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38 70a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c 71a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_DUMMY (1 << 20) 72a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11) 73a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10) 74a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7) 75a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_RADIO_ON (1 << 6) 76a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_RADIO_OFF (1 << 5) 77a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_MAC_EVENT (1 << 3) 78a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_OPC_DONE (1 << 2) 79a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_RX_READY (1 << 1) 80a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_INT_TX_DONE (1 << 0) 81a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 82a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \ 83a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_CHNL_SWITCHED | \ 84a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_QUEUE_EMPTY | \ 85a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADAR_DETECT | \ 86a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_ON | \ 87a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_OFF | \ 88a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_MAC_EVENT | \ 89a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_OPC_DONE | \ 90a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RX_READY | \ 91a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_TX_DONE) 92a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 93a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* WME stream classes */ 94a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_BE 0 /* best effort */ 95a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_BK 1 /* background */ 96a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_VI 2 /* video */ 97a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_VO 3 /* voice */ 98a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 99a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_QUEUES 1 100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_QUEUES 4 101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_desc_count; 104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_head; 107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_tail; 110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc_area; 112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t rx_desc_dma; 113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff **rx_skb; 114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_skb { 117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * The DMA engine requires a modification to the payload. 119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * If the skbuff is shared/cloned, it needs to be unshared. 120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This method is used to ensure the stack always gets back 121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the skbuff it sent for transmission. 122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *clone; 124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx_head; 130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx_tail; 133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats tx_stats; 135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc_area; 136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t tx_desc_dma; 137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_skb *tx_skb; 138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Pointers to the firmware data and meta information about it. */ 141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_firmware { 142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Microcode */ 143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct firmware *ucode; 144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Boot helper code */ 146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct firmware *helper; 147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs; 151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 name[16]; 155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* firmware access lock */ 156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t fw_lock; 157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* firmware files and meta data */ 159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_firmware fw; 160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 part_num; 161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_mask; 165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif; 167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct list_head vif_list; 168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *current_channel; 170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 region_code; 177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 wep_enabled; 180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue txq[MWL8K_TX_QUEUES]; 189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* PHY parameters */ 191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_supported_band band; 192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel channels[14]; 193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate rates[12]; 194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* RF preamble: Short, Long or Auto */ 196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 radio_preamble; 197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 radio_state; 198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* WMM MODE 1 for enabled; 0 for disabled */ 200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool wmm_mode; 201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set if PHY config is in progress */ 203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool inconfig; 204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 capture_bssid[IEEE80211_ADDR_LEN]; 208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Tasklet to reclaim TX descriptors and buffers after tx */ 219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct tasklet_struct tx_reclaim_task; 220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Work thread to serialize configuration requests */ 222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct workqueue_struct *config_wq; 223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct completion *hostcmd_wait; 224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct completion *tx_wait; 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct list_head node; 230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* backpointer to parent config block */ 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* BSS config of AP or IBSS from mac80211*/ 235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf bss_info; 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* BSSID of AP or IBSS */ 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 bssid[IEEE80211_ADDR_LEN]; 239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 mac_addr[IEEE80211_ADDR_LEN]; 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Subset of supported legacy rates. 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Intersection of AP and STA supported rates. 244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate legacy_rates[12]; 246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* number of supported legacy rates */ 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 legacy_nrates; 249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Number of supported MCS rates. Work in progress */ 251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 mcs_nrates; 252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Index into station database.Returned by update_sta_db call */ 254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 peer_id; 255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Non AMPDU sequence number assigned by driver */ 257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno; 258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Note:There is no channel info, 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * refer to the master channel info in priv 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_VIF(_vif) (struct mwl8k_vif *)(&((_vif)->drv_priv)) 265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels[] = { 267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates[] = { 281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Radio settings */ 296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RADIO_FORCE 0x2 297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RADIO_ENABLE 0x1 298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RADIO_DISABLE 0x0 299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RADIO_AUTO_PREAMBLE 0x0005 300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RADIO_SHORT_PREAMBLE 0x0003 301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RADIO_LONG_PREAMBLE 0x0001 302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* WMM */ 304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WMM_ENABLE 1 305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WMM_DISABLE 0 306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RADIO_DEFAULT_PREAMBLE MWL8K_RADIO_LONG_PREAMBLE 308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Slot time */ 310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Short Slot: 9us slot time */ 312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SHORT_SLOTTIME 1 313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Long slot: 20us slot time */ 315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_LONG_SLOTTIME 0 316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET 0x0001 319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001C 327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001E 328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010A 331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_LINKADAPT_MODE 0x0129 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENCRYPTION 0x1122 345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize) 347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek switch (cmd & (~0x8000)) { 353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_LINKADAPT_MODE); 371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_AID); 372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATE); 373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENCRYPTION); 376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_fw(struct firmware **fw) 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.ucode); 406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.helper); 407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const char *fname, struct firmware **fw) 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return request_firmware((const struct firmware **)fw, 418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek fname, &priv->pdev->dev); 419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_firmware(struct mwl8k_priv *priv, u32 part_num) 422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 filename[64]; 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->part_num = part_num; 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(filename, sizeof(filename), 429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "mwl8k/helper_%u.fw", priv->part_num); 430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_fw(priv, filename, &priv->fw.helper); 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR 434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "%s Error requesting helper firmware file %s\n", 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_name(priv->pdev), filename); 436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(filename, sizeof(filename), 440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "mwl8k/fmimage_%u.fw", priv->part_num); 441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_fw(priv, filename, &priv->fw.ucode); 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s Error requesting firmware file %s\n", 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_name(priv->pdev), filename); 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.helper); 447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 seq_num; 457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Clear 'command done' interrupt bit. 502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + 508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_HIU_A2H_INTERRUPT_STATUS); 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(~MWL8K_A2H_INT_OPC_DONE, 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_firmware(struct mwl8k_priv *priv) 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops, rc; 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *ucode = priv->fw.ucode->data; 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size_t ucode_len = priv->fw.ucode->size; 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *helper = priv->fw.helper->data; 629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size_t helper_len = priv->fw.helper->size; 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!memcmp(ucode, "\x01\x00\x00\x00", 4)) { 632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper, helper_len); 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(1); 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_feed_fw_image(priv, ucode, ucode_len); 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_load_fw_image(priv, ucode, ucode_len); 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware data\n", 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_name(priv->pdev)); 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(1); 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 200000; 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (ioread32(priv->regs + MWL8K_HIU_INT_CODE) 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek == MWL8K_FWSTA_READY) 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Defines shared between transmission and reception. 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* HT control fields for firmware */ 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct ewc_ht_info { 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control1; 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control2; 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control3; 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware Station database operations */ 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_ADD_ENTRY 0 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_FLUSH 3 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_PEER_TYPE_ADHOC_STATION 4 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_IEEE_LEGACY_DATA_RATES 12 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_MCS_BITMAP_SIZE 16 688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define pad_size 16 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct peer_capability_info { 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer type - AP vs. STA. */ 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_type; 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 basic_caps; 696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 ht_support; 699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Valid if HT is supported. */ 701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 ht_caps; 702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 extended_ht_caps; 703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ewc_ht_info ewc_info; 704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 legacy_rates[MWL8K_IEEE_LEGACY_DATA_RATES]; 707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 ht_rates[MWL8K_MCS_BITMAP_SIZE]; 710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad[pad_size]; 711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 interop; 714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2; 715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 station_id; 716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 amsdu_enabled; 717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Inline functions to manipulate QoS field in data descriptor. */ 720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_tid(u16 qos, u8 tid) 721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0x000f; 723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~val_mask; 724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TID bits 0-3 */ 726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | (tid & val_mask); 727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_eosp(u16 qos) 730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 1 << 4; 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* End of Service Period Bit 4 */ 734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return qos | val_mask; 735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_ack(u16 qos, u8 ack_policy) 738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0x3; 740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 shift = 5; 741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~(val_mask << shift); 742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Ack Policy Bit 5-6 */ 744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | ((ack_policy & val_mask) << shift); 745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_amsdu(u16 qos) 748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 1 << 7; 750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* AMSDU present Bit 7 */ 752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return qos | val_mask; 753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_qlen(u16 qos, u8 len) 756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0xff; 758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 shift = 8; 759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~(val_mask << shift); 760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Queue Length Bits 8-15 */ 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | ((len & val_mask) << shift); 763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int mwl8k_remove_dma_header(struct sk_buff *skb) 773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr = (struct mwl8k_dma_data *)(skb->data); 775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void *dst, *src = &tr->wh; 776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fc = tr->wh.frame_control; 777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int hdrlen = ieee80211_hdrlen(fc); 778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 space = sizeof(struct mwl8k_dma_data) - hdrlen; 779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst = (void *)tr + space; 781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (dst != src) { 782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(dst, src, hdrlen); 783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_pull(skb, space); 784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline struct sk_buff *mwl8k_add_dma_header(struct sk_buff *skb) 790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 hdrlen, pktlen; 793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pktlen = skb->len; 798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Copy up/down the 802.11 header; the firmware requires 801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * we present a 2-byte payload length followed by a 802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 4-address header (w/o QoS), followed (optionally) by 803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * any WEP/ExtIV header (but only filled in for CCMP). 804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hdrlen != sizeof(struct mwl8k_dma_data)) 806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_push(skb, sizeof(struct mwl8k_dma_data) - hdrlen); 807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clear addr4 */ 813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(tr->wh.addr4, 0, IEEE80211_ADDR_LEN); 814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr->fwlen = cpu_to_le16(pktlen - hdrlen); 821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return skb; 823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet reception. 828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_CTRL_KEY_INDEX_MASK 0x30 830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_CTRL_OWNED_BY_HOST 0x02 831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_CTRL_AMPDU 0x01 832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_desc { 834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 next_rx_desc_phys_addr; 839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count = 0; 861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_head = 0; 862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_tail = 0; 863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc); 865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area = 867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_alloc_consistent(priv->pdev, size, &rxq->rx_desc_dma); 868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_desc_area == NULL) { 869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX descriptors\n", 870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(rxq->rx_desc_area, 0, size); 874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb = kmalloc(MWL8K_RX_DESCS * 876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*rxq->rx_skb), GFP_KERNEL); 877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_skb == NULL) { 878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX skbuff list\n", 879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, size, 881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area, rxq->rx_desc_dma); 882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(rxq->rx_skb, 0, MWL8K_RX_DESCS * sizeof(*rxq->rx_skb)); 885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc; 888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc = rxq->rx_desc_area + i; 891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_RX_DESCS; 892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc->next_rx_desc_phys_addr = 894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rxq->rx_desc_dma 895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek + nexti * sizeof(*rx_desc)); 896c491bf1205485c83086bf4f2f26ca6598d48133aRami Rosen rx_desc->rx_ctrl = MWL8K_RX_CTRL_OWNED_BY_HOST; 897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq->rx_desc_count < MWL8K_RX_DESCS && limit--) { 910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count++; 918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx = rxq->rx_tail; 920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_tail = (rx + 1) % MWL8K_RX_DESCS; 921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].pkt_phys_addr = 923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(pci_map_single(priv->pdev, skb->data, 924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE)); 925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].pkt_len = cpu_to_le16(MWL8K_RX_MAXSZ); 927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[rx] = skb; 928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].rx_ctrl = 0; 930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_skb[i] != NULL) { 946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(rxq->rx_desc_area[i].pkt_phys_addr); 949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, MWL8K_RX_MAXSZ, 950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_FROMDEVICE); 951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree_skb(rxq->rx_skb[i]); 952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[i] = NULL; 953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(rxq->rx_skb); 957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb = NULL; 958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc), 961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area, rxq->rx_desc_dma); 962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area = NULL; 963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !compare_ether_addr(wh->addr3, priv->capture_bssid); 976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_save_beacon(struct mwl8k_priv *priv, 979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb) 980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(priv->capture_bssid, 0, IEEE80211_ADDR_LEN); 983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek queue_work(priv->config_wq, 992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &priv->finalize_join_worker); 993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 1000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 1002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq->rx_desc_count && limit--) { 1003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc; 1004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 1006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc = rxq->rx_desc_area + rxq->rx_head; 1010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST)) 1011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rmb(); 1013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = rxq->rx_skb[rxq->rx_head]; 1015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[rxq->rx_head] = NULL; 1016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_head = (rxq->rx_head + 1) % MWL8K_RX_DESCS; 1018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count--; 1019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(rx_desc->pkt_phys_addr); 1021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, 1022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 1023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_put(skb, le16_to_cpu(rx_desc->pkt_len)); 1025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_remove_dma_header(skb)) { 1026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 1027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 1028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 1031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Check for pending join operation. save a copy of 1034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the beacon and schedule a tasklet to send finalize 1035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * join command to the firmware. 1036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_capture_bssid(priv, wh)) 1038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_save_beacon(priv, skb); 1039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&status, 0, sizeof(status)); 1041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.mactime = 0; 1042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.signal = -rx_desc->rssi; 1043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.noise = -rx_desc->noise_level; 1044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.qual = rx_desc->link_quality; 1045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.antenna = 1; 1046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.rate_idx = 1; 1047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.flag = 0; 1048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.band = IEEE80211_BAND_2GHZ; 1049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.freq = ieee80211_channel_to_frequency(rx_desc->channel); 1050f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 1051f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 1052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 1054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 1057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 1062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Transmit queue assignment. */ 1065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekenum { 1066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BK = 0, /* background access */ 1067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BE = 1, /* best effort access */ 1068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_VI = 2, /* video access */ 1069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_VO = 3, /* voice access */ 1070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Transmit packet ACK policy */ 1073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_NORMAL 0 1074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_NONE 1 1075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_NO_EXPLICIT 2 1076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_BLOCKACK 3 1077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define GET_TXQ(_ac) (\ 1079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_VO) ? MWL8K_WME_AC_VO : \ 1080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_VI) ? MWL8K_WME_AC_VI : \ 1081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_BK) ? MWL8K_WME_AC_BK : \ 1082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BE) 1083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_IDLE 0x00000000 1085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_USED 0x00000001 1086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_BROADCAST_TX 0x00000010 1091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FAILED_LINK_ERROR 0x00000020 1092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FAILED_EXCEED_LIMIT 0x00000040 1093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FAILED_AGING 0x00000080 1094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_HOST_CMD 0x40000000 1095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_SOFTSTALE 0x80 1097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_SOFTSTALE_MGMT_RETRY 0x01 1098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 dest_MAC_addr[IEEE80211_ADDR_LEN]; 1107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 next_tx_desc_phys_addr; 1108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 1109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_frag_cnt; 1112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&txq->tx_stats, 0, 1124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_tx_queue_stats)); 1125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.limit = MWL8K_TX_DESCS; 1126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_head = 0; 1127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_tail = 0; 1128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area = 1132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_alloc_consistent(priv->pdev, size, &txq->tx_desc_dma); 1133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_desc_area == NULL) { 1134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX descriptors\n", 1135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 1136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(txq->tx_desc_area, 0, size); 1139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->tx_skb), 1141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek GFP_KERNEL); 1142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_skb == NULL) { 1143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX skbuff list\n", 1144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 1145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, size, 1146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area, txq->tx_desc_dma); 1147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(txq->tx_skb, 0, MWL8K_TX_DESCS * sizeof(*txq->tx_skb)); 1150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + i; 1156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 1159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->next_tx_desc_phys_addr = 1160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(txq->tx_desc_dma + 1161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti * sizeof(*tx_desc)); 1162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int mwl8k_txq_busy(struct mwl8k_priv *priv) 1177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->pending_tx_pkts; 1179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_txq_info { 1182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 fw_owned; 1183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 drv_owned; 1184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 unused; 1185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 len; 1186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 head; 1187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 tail; 1188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_scan_tx_ring(struct mwl8k_priv *priv, 1191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_txq_info txinfo[], 1192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 num_queues) 1193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count, desc, status; 1195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int ndescs = 0; 1198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(txinfo, 0, num_queues * sizeof(struct mwl8k_txq_info)); 1200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 1201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < num_queues; count++) { 1202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + count; 1203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].len = txq->tx_stats.len; 1204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].head = txq->tx_head; 1205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].tail = txq->tx_tail; 1206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 1207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + desc; 1208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 1211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].fw_owned++; 1212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].drv_owned++; 1214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 1216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].unused++; 1217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return ndescs; 1222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw, u32 delay_ms) 1225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 count = 0; 1227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 1228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 1230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->tx_wait != NULL) 1234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "WARNING Previous TXWaitEmpty instance\n"); 1235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 1237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek count = mwl8k_txq_busy(priv); 1238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (count) { 1239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = &cmd_wait; 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->radio_state) 1241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_start(priv); 1242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (count) { 1246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_txq_info txinfo[4]; 1247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int newcount; 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(delay_ms)); 1252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (timeout) 1253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 1256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 1257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek newcount = mwl8k_txq_busy(priv); 1258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s(%u) TIMEDOUT:%ums Pend:%u-->%u\n", 1261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __func__, __LINE__, delay_ms, count, newcount); 1262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_scan_tx_ring(priv, txinfo, 4); 1264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (index = 0 ; index < 4; index++) 1265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR 1266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "TXQ:%u L:%u H:%u T:%u FW:%u DRV:%u U:%u\n", 1267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek index, 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].len, 1269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].head, 1270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].tail, 1271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].fw_owned, 1272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].drv_owned, 1273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].unused); 1274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ETIMEDOUT; 1275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_OK (MWL8K_TXD_STATUS_OK | \ 1281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY) 1283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_SUCCESS(stat) ((stat) & MWL8K_TXD_OK) 1284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_FAIL_RETRY(stat) \ 1285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((stat) & (MWL8K_TXD_STATUS_FAILED_EXCEED_LIMIT)) 1286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) 1288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int wake = 0; 1292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (txq->tx_stats.len > 0) { 1294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size_t size; 1299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 1304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx = txq->tx_head; 1305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + tx; 1306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_head = (tx + 1) % MWL8K_TX_DESCS; 1317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(txq->tx_stats.len == 0); 1318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.len--; 1319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = (u32)(le16_to_cpu(tx_desc->pkt_len)); 1323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = txq->tx_skb[tx].skb; 1324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb[tx].skb = NULL; 1325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_remove_dma_header(skb); 1330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_skb[tx].clone) { 1336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Replace with original skb 1337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * before returning to stack 1338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * as buffer has been cloned 1339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 1341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = txq->tx_skb[tx].clone; 1342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb[tx].clone = NULL; 1343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 1346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Something has gone wrong here. 1347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Failed to remove DMA header. 1348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Print error message and drop packet. 1349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Error removing DMA header from " 1351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "tx skb 0x%p.\n", priv->name, skb); 1352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 1354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 1355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 1359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Convert firmware status stuff into tx_status */ 1361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) { 1362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Transmit OK */ 1363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wake = !priv->inconfig && priv->radio_state; 1369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wake) 1372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_wake_queue(hw, index); 1373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, index, 1); 1382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(txq->tx_skb); 1384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb = NULL; 1385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 1388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area, txq->tx_desc_dma); 1389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area = NULL; 1390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb) 1394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 1397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 1401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 1402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *org_skb = skb; 1403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 1404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos = 0; 1405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool qosframe = false, ampduframe = false; 1406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool mcframe = false, eapolframe = false; 1407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool amsduframe = false; 1408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fc; 1409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + index; 1411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx = txq->tx_desc_area + txq->tx_tail; 1412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(txq->tx_skb[txq->tx_tail].skb != NULL); 1414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Append HW DMA header to start of packet. Drop packet if 1417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * there is not enough space or a failure to unshare/unclone 1418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the skb. 1419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = mwl8k_add_dma_header(skb); 1421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) { 1423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: failed to prepend HW DMA " 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "header, dropping TX frame.\n", priv->name); 1425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(org_skb); 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 1430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 1432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = &tr->wh; 1433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek fc = wh->frame_control; 1434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek qosframe = ieee80211_is_data_qos(fc); 1435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mcframe = is_multicast_ether_addr(wh->addr1); 1436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ampduframe = !!(tx_info->flags & IEEE80211_TX_CTL_AMPDU); 1437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno = mwl8k_vif->seqno; 1440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl |= cpu_to_le16(seqno << 4); 1442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = seqno++ % 4096; 1443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (qosframe) 1446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 1447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 1449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 1450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 1452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: failed to dma map skb, " 1453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "dropping TX frame.\n", priv->name); 1454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (org_skb != NULL) 1456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(org_skb); 1457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb != NULL) 1458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 1459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set desc header, cpu bit order. */ 1463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->status = 0; 1464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->data_rate = 0; 1465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->tx_priority = index; 1466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = 0; 1467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->rate_info = 0; 1468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->peer_id = mwl8k_vif->peer_id; 1469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek amsduframe = !!(qos & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT); 1471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 1473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc)) { 1474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->data_rate = 0; 1475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek qos = mwl8k_qos_setbit_eosp(qos); 1476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set Queue size to unspecified */ 1477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek qos = mwl8k_qos_setbit_qlen(qos, 0xff); 1478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else if (ieee80211_is_data(fc)) { 1479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->data_rate = 1; 1480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mcframe) 1481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->status |= MWL8K_TXD_STATUS_MULTICAST_TX; 1482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Tell firmware to not send EAPOL pkts in an 1485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * aggregate. Verify against mac80211 tx path. If 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * stack turns off AMPDU for an EAPOL frame this 1487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * check will be removed. 1488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (eapolframe) { 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek qos = mwl8k_qos_setbit_ack(qos, 1491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TXD_ACK_POLICY_NORMAL); 1492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Send pkt in an aggregate if AMPDU frame. */ 1494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (ampduframe) 1495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek qos = mwl8k_qos_setbit_ack(qos, 1496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TXD_ACK_POLICY_BLOCKACK); 1497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek qos = mwl8k_qos_setbit_ack(qos, 1499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TXD_ACK_POLICY_NORMAL); 1500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (amsduframe) 1502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek qos = mwl8k_qos_setbit_amsdu(qos); 1503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Convert to little endian */ 1507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 1508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->status = cpu_to_le32(tx->status); 1509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 1510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 1511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb[txq->tx_tail].skb = skb; 1513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb[txq->tx_tail].clone = 1514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb == org_skb ? NULL : org_skb; 1515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 1517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_OK | 1519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TXD_STATUS_FW_OWNED); 1520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 1521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.len++; 1522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 1523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.count++; 1524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_tail++; 1525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_tail == MWL8K_TX_DESCS) 1527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_tail = 0; 1528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_head == txq->tx_tail) 1529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queue(hw, index); 1530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->inconfig) { 1532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Silently queue packet when we are in the middle of 1534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * a config cycle. Notify firmware only if we are 1535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * waiting for TXQs to empty. If a packet is sent 1536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * before .config() is complete, perhaps it is better 1537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * to drop the packet, as the channel is being changed 1538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * and the packet will end up on the wrong channel. 1539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s(): WARNING TX activity while " 1541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "in config\n", __func__); 1542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->tx_wait != NULL) 1544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_start(priv); 1545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else 1546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_start(priv); 1547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 1556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Timeout firmware commands after 2000ms */ 1559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 2000 1560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 1562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 1564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 1566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 1567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 1568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 __iomem *result; 1570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 1571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 1572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0xFFFF; 1574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 1575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 1576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 1578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->hostcmd_wait != NULL) 1581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "WARNING host command in progress\n"); 1582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_irq(&priv->fw_lock); 1584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 1585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 1586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 1587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_irq(&priv->fw_lock); 1591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 1593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 1594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek result = &cmd->result; 1596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 1597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_irq(&priv->fw_lock); 1598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = NULL; 1599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_irq(&priv->fw_lock); 1600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s timeout after %u ms\n", 1601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name, 1602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 1603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMD_TIMEOUT_MS); 1604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 1605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 1606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = *result ? -EINVAL : 0; 1607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 1608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s error 0x%x\n", 1609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name, 1610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 1611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *result); 1612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 1615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * GET_HW_SPEC. 1621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_get_hw_spec { 1623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 1625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 1626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 1627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 perm_addr[IEEE80211_ADDR_LEN]; 1628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 1629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 1630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 1631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 1632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 1633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 1634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 1635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 tx_queue_ptrs[MWL8K_TX_QUEUES]; 1636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 1637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 1638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 total_rx_desc; 1639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw) 1642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_get_hw_spec *cmd; 1645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 1653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 1656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 1657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rx_desc_dma); 1658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->num_tx_queues = MWL8K_TX_QUEUES; 1659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 1660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].tx_desc_dma); 1661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->num_tx_desc_per_queue = MWL8K_TX_DESCS; 1662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->total_rx_desc = MWL8K_RX_DESCS; 1663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 1668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 1669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->fw_rev = cmd->fw_rev; 1670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 1671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->region_code = le16_to_cpu(cmd->region_code); 1672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 1680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 1682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 1685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 addr[1][IEEE80211_ADDR_LEN]; 1686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x000F 1689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, 1690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int mc_count, 1691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct dev_addr_list *mclist) 1692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 1694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = 0; 1695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size = sizeof(*cmd) + ((mc_count - 1) * IEEE80211_ADDR_LEN); 1697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(size, GFP_KERNEL); 1698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 1702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 1703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 1704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 1705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while ((index < mc_count) && mclist) { 1706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mclist->da_addrlen != IEEE80211_ADDR_LEN) { 1707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 1708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_cmd_mac_multicast_adr_exit; 1709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->addr[index], mclist->da_addr, IEEE80211_ADDR_LEN); 1711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek index++; 1712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mclist = mclist->next; 1713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_cmd_mac_multicast_adr_exit: 1718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_GET_STAT. 1724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_get_stat { 1726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 1729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 1732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 1733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 1734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 1735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw *hw, 1737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 1738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_get_stat *cmd; 1740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 1747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_GET); 1749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 1753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 1754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 1755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 1756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 1757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 1758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 1759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 1760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_RADIO_CONTROL. 1768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_radio_control { 1770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 1773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 1774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, int enable) 1777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_radio_control *cmd; 1780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (((enable & MWL8K_RADIO_ENABLE) == priv->radio_state) && 1783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !(enable & MWL8K_RADIO_FORCE)) 1784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek enable &= MWL8K_RADIO_ENABLE; 1787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 1793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_preamble); 1796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 1797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 1802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->radio_state = enable; 1803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 1809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 1811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL || hw->priv == NULL) 1813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 1814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 1815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->radio_preamble = (short_preamble ? 1817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RADIO_SHORT_PREAMBLE : 1818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RADIO_LONG_PREAMBLE); 1819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 1821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RADIO_ENABLE | MWL8K_RADIO_FORCE); 1822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_RF_TX_POWER. 1826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_POWER_LEVEL_TOTAL 8 1828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_rf_tx_power { 1830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 1833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 1834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 1835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 1836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw *hw, int dBm) 1839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_rf_tx_power *cmd; 1841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 1848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 1851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 1860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 1862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 1866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 1868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 1875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 1885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 1887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 1889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 bssid[IEEE80211_ADDR_LEN]; 1890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 mac[IEEE80211_ADDR_LEN]) 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 1896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 1903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 1905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->bssid, mac, IEEE80211_ADDR_LEN); 1906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 1915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 1917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 1920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 1921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 1924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *channel) 1925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 1927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 1934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 1937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 1938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->channel_flags = cpu_to_le32(0x00000081); 1939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->channel_flags = cpu_to_le32(0x00000000); 1941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_SLOT. 1950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_slot { 1952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 short_slot; 1955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, int slot_time) 1958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 1960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 1967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->short_slot = slot_time == MWL8K_SHORT_SLOTTIME ? 1 : 0; 1970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MIMO_CONFIG. 1979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mimo_config { 1981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 1983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_antenna_map; 1984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_antenna_map; 1985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 1988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 1990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 1997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 1999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rx_antenna_map = rx; 2000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->tx_antenna_map = tx; 2001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_ENABLE_SNIFFER. 2010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 2012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable) 2017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 2019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 2026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = enable ? cpu_to_le32((u32)MWL8K_CMD_SET) : 0; 2028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RATE_ADAPT_MODE. 2037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 2039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 mode; 2042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_setrateadaptmode(struct ieee80211_hw *hw, __u16 mode) 2045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 2047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 2054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->mode = cpu_to_le16(mode); 2057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_WMM_MODE. 2066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_wmm { 2068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_wmm(struct ieee80211_hw *hw, bool enable) 2073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_wmm *cmd; 2076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 2083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = enable ? cpu_to_le16(MWL8K_CMD_SET) : 0; 2085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 2090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->wmm_mode = enable; 2091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RTS_THRESHOLD. 2097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_rts_threshold { 2099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 threshold; 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rts_threshold(struct ieee80211_hw *hw, 2105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 action, u16 *threshold) 2106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_rts_threshold *cmd; 2108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 2115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(action); 2117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->threshold = cpu_to_le16(*threshold); 2118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 2127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 2129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 2132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 2135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 2136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Log exponent of max contention period: 0...15*/ 2138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 log_cw_max; 2139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Log exponent of min contention period: 0...15 */ 2141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 log_cw_min; 2142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 2144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 aifs; 2145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX queue to configure */ 2147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 txq; 2148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_GET_EDCA_ALL 0 2151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 2152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 2153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 2154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 2156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 2157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 2158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 2161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u16 cw_min, __u16 cw_max, 2162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 aifs, __u16 txop) 2163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 2165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 log_cw_min, log_cw_max; 2166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek log_cw_min = ilog2(cw_min+1); 2173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek log_cw_max = ilog2(cw_max+1); 2174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 2175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 2178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 2179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->log_cw_max = (u8)log_cw_max; 2180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->log_cw_min = (u8)log_cw_min; 2181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->aifs = aifs; 2182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txq = qnum; 2183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_FINALIZE_JOIN. 2192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* FJ beacon buffer size is compiled into the firmware. */ 2195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 2196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_finalize_join { 2198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 2200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 2201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame, 2204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u16 framelen, __u16 dtim) 2205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 2207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_mgmt *payload = frame; 2208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 hdrlen; 2209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 payload_len; 2210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (frame == NULL) 2213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 2220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (dtim) 2223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim); 2224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 2225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->sleep_interval = cpu_to_le32(1); 2226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(payload->frame_control); 2228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek payload_len = framelen > hdrlen ? framelen - hdrlen : 0; 2230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX TBD Might just have to abort and return an error */ 2232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 2233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s(): WARNING: Incomplete beacon " 2234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "sent to firmware. Sz=%u MAX=%u\n", __func__, 2235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek payload_len, MWL8K_FJ_BEACON_MAXLEN); 2236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek payload_len = payload_len > MWL8K_FJ_BEACON_MAXLEN ? 2238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_FJ_BEACON_MAXLEN : payload_len; 2239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (payload && payload_len) 2241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 2242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_UPDATE_STADB. 2250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_sta_db { 2252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See STADB_ACTION_TYPE */ 2255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer MAC address */ 2258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_addr[IEEE80211_ADDR_LEN]; 2259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 2261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer info - valid during add/update. */ 2263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct peer_capability_info peer_info; 2264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw, 2267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif, __u32 action) 2268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = &mv_vif->bss_info; 2271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_sta_db *cmd; 2272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct peer_capability_info *peer_info; 2273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_MAC_BUF(mac); 2275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 count, *rates; 2277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 2283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info = &cmd->peer_info; 2287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->peer_addr, mv_vif->bssid, IEEE80211_ADDR_LEN); 2288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek switch (action) { 2290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_ADD_ENTRY: 2291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_MODIFY_ENTRY: 2292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Build peer_info block */ 2293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 2294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->basic_caps = cpu_to_le16(info->assoc_capability); 2295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->interop = 1; 2296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->amsdu_enabled = 0; 2297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rates = peer_info->legacy_rates; 2299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0 ; count < mv_vif->legacy_nrates; count++) 2300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rates[count] = bitrates[count].hw_value; 2301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == 0) 2304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif->peer_id = peer_info->station_id; 2305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_DEL_ENTRY: 2309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_FLUSH: 2310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 2311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == 0) 2313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif->peer_id = 0; 2314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_AID. 2323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define IEEE80211_OPMODE_DISABLED 0x00 2325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define IEEE80211_OPMODE_NON_MEMBER_PROT_MODE 0x01 2326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define IEEE80211_OPMODE_ONE_20MHZ_STA_PROT_MODE 0x02 2327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define IEEE80211_OPMODE_HTMIXED_PROT_MODE 0x03 2328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_INDEX_MAX_ARRAY 14 2330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 2332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 2333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 2334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 2335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_MASK 0x07 2336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_set_aid { 2338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 aid; 2340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* AP's MAC address (BSSID) */ 2342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 bssid[IEEE80211_ADDR_LEN]; 2343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 protection_mode; 2344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 supp_rates[MWL8K_RATE_INDEX_MAX_ARRAY]; 2345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_aid(struct ieee80211_hw *hw, 2348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif) 2349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = &mv_vif->bss_info; 2352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 2353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 prot_mode; 2356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 2363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->aid = cpu_to_le16(info->aid); 2365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->bssid, mv_vif->bssid, IEEE80211_ADDR_LEN); 2367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 2369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (info->use_cts_prot) { 2371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 2372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 23739ed6bcce77f75d98af6ee07069deac6041948beeJohannes Berg switch (info->ht_operation_mode & 2374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 2375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 2376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 2377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 2379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 2380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 2382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 2383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 2388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->supp_rates[count] = bitrates[count].hw_value; 2391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RATE. 2400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_rateset { 2402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 legacy_rates[MWL8K_RATE_INDEX_MAX_ARRAY]; 2404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Bitmap for supported MCS codes. */ 2406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_set[MWL8K_IEEE_LEGACY_DATA_RATES]; 2407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 reserved[MWL8K_IEEE_LEGACY_DATA_RATES]; 2408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_update_rateset(struct ieee80211_hw *hw, 2411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif) 2412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_rateset *cmd; 2415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 2424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->legacy_rates[count] = bitrates[count].hw_value; 2428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_USE_FIXED_RATE. 2437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_TABLE_SIZE 8 2439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_UCAST_RATE 0 2440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_MCAST_RATE 1 2441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_BCAST_RATE 2 2442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_USE_FIXED_RATE 0x0001 2444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 2445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_entry { 2447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 if HT rate, 0 if legacy. */ 2448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 is_ht_rate; 2449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 to use retry_count field. */ 2451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 enable_retry; 2452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Specified legacy rate or MCS. */ 2454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate; 2455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Number of allowed retries. */ 2457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 retry_count; 2458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_table { 2461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1 to allow specified rate and below */ 2462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 allow_rate_drop; 2463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_rates; 2464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry rate_entry[MWL8K_RATE_TABLE_SIZE]; 2465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_use_fixed_rate { 2468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_table rate_table; 2471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Unicast, Broadcast or Multicast */ 2473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate_type; 2474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved1; 2475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved2; 2476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw, 2479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 action, u32 rate_type, struct mwl8k_rate_table *rate_table) 2480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_use_fixed_rate *cmd; 2482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 2490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_type = cpu_to_le32(rate_type); 2494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rate_table != NULL) { 2496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Copy over each field manually so 2497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * that bitflipping can be done 2498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.allow_rate_drop = 2500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->allow_rate_drop); 2501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.num_rates = 2502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->num_rates); 2503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < rate_table->num_rates; count++) { 2505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *dst = 2506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &cmd->rate_table.rate_entry[count]; 2507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *src = 2508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &rate_table->rate_entry[count]; 2509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->is_ht_rate = cpu_to_le32(src->is_ht_rate); 2511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->enable_retry = cpu_to_le32(src->enable_retry); 2512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->rate = cpu_to_le32(src->rate); 2513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->retry_count = cpu_to_le32(src->retry_count); 2514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 2526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 2528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 2530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 2532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status &= priv->int_mask; 2537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 2538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 2539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) 2541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_schedule(&priv->tx_reclaim_task); 2542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 2544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq_process(hw, 0, 1)) 2545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, 1); 2546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 2549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->hostcmd_wait != NULL) { 2550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 2551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = NULL; 2552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 2556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!priv->inconfig && 2557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->radio_state && 2558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_busy(priv)) 2559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_start(priv); 2560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 2563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 2568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 2570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 2573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->current_channel == NULL) { 2576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: dropped TX frame since radio " 2577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "disabled\n", priv->name); 2578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 2580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_xmit(hw, index, skb); 2583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_work_struct { 2588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Initialized by mwl8k_queue_work(). */ 2589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct wt; 2590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Required field passed in to mwl8k_queue_work(). */ 2592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 2593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Required field passed in to mwl8k_queue_work(). */ 2595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int (*wfunc)(struct work_struct *w); 2596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Initialized by mwl8k_queue_work(). */ 2598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct completion *cmd_wait; 2599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Result code. */ 2601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Optional field. Refer to explanation of MWL8K_WQ_XXX_XXX 2605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * flags for explanation. Defaults to MWL8K_WQ_DEFAULT_OPTIONS. 2606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 options; 2608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Optional field. Defaults to MWL8K_CONFIG_TIMEOUT_MS. */ 2610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout_ms; 2611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Optional field. Defaults to MWL8K_WQ_TXWAIT_ATTEMPTS. */ 2613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 txwait_attempts; 2614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Optional field. Defaults to MWL8K_TXWAIT_MS. */ 2616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 tx_timeout_ms; 2617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 step; 2618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Flags controlling behavior of config queue requests */ 2621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Caller spins while waiting for completion. */ 2623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WQ_SPIN 0x00000001 2624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Wait for TX queues to empty before proceeding with configuration. */ 2626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WQ_TX_WAIT_EMPTY 0x00000002 2627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Queue request and return immediately. */ 2629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WQ_POST_REQUEST 0x00000004 2630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Caller sleeps and waits for task complete notification. 2633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Do not use in atomic context. 2634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WQ_SLEEP 0x00000008 2636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Free work struct when task is done. */ 2638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WQ_FREE_WORKSTRUCT 0x00000010 2639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Config request is queued and returns to caller imediately. Use 2642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * this in atomic context. Work struct is freed by mwl8k_queue_work() 2643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * when this flag is set. 2644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WQ_QUEUE_ONLY (MWL8K_WQ_POST_REQUEST | \ 2646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WQ_FREE_WORKSTRUCT) 2647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Default work queue behavior is to sleep and wait for tx completion. */ 2649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WQ_DEFAULT_OPTIONS (MWL8K_WQ_SLEEP | MWL8K_WQ_TX_WAIT_EMPTY) 2650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Default config request timeout. Add adjustments to make sure the 2653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * config thread waits long enough for both tx wait and cmd wait before 2654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * timing out. 2655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Time to wait for all TXQs to drain. TX Doorbell is pressed each time. */ 2658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXWAIT_TIMEOUT_MS 1000 2659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Default number of TX wait attempts. */ 2661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_WQ_TXWAIT_ATTEMPTS 4 2662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Total time to wait for TXQ to drain. */ 2664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXWAIT_MS (MWL8K_TXWAIT_TIMEOUT_MS * \ 2665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WQ_TXWAIT_ATTEMPTS) 2666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Scheduling slop. */ 2668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_OS_SCHEDULE_OVERHEAD_MS 200 2669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CONFIG_TIMEOUT_MS (MWL8K_CMD_TIMEOUT_MS + \ 2671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TXWAIT_MS + \ 2672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_OS_SCHEDULE_OVERHEAD_MS) 2673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_config_thread(struct work_struct *wt) 2675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct *worker = (struct mwl8k_work_struct *)wt; 2677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->hw; 2678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 2680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_irq(&priv->tx_lock); 2682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->inconfig = true; 2683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_irq(&priv->tx_lock); 2684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 2686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Wait for host queues to drain before doing PHY 2689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * reconfiguration. This avoids interrupting any in-flight 2690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * DMA transfers to the hardware. 2691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker->options & MWL8K_WQ_TX_WAIT_EMPTY) { 2693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 timeout; 2694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 time_remaining; 2695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 iter; 2696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 tx_wait_attempts = worker->txwait_attempts; 2697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek time_remaining = worker->tx_timeout_ms; 2699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!tx_wait_attempts) 2700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_wait_attempts = 1; 2701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = worker->tx_timeout_ms/tx_wait_attempts; 2703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) 2704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = 1; 2705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iter = tx_wait_attempts; 2707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 2708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int wait_time; 2709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (time_remaining > timeout) { 2711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek time_remaining -= timeout; 2712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wait_time = timeout; 2713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else 2714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wait_time = time_remaining; 2715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!wait_time) 2717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wait_time = 1; 2718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_tx_wait_empty(hw, wait_time); 2720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 2721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s() txwait timeout=%ums " 2722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "Retry:%u/%u\n", __func__, timeout, 2723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_wait_attempts - iter + 1, 2724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_wait_attempts); 2725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (rc && --iter); 2727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = iter ? 0 : -ETIMEDOUT; 2729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 2731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = worker->wfunc(wt); 2732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_irq(&priv->tx_lock); 2734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->inconfig = false; 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->pending_tx_pkts && priv->radio_state) 2736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_start(priv); 2737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_irq(&priv->tx_lock); 2738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_wake_queues(hw); 2739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->rc = rc; 2741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker->options & MWL8K_WQ_SLEEP) 2742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(worker->cmd_wait); 2743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker->options & MWL8K_WQ_FREE_WORKSTRUCT) 2745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(wt); 2746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_queue_work(struct ieee80211_hw *hw, 2749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct *worker, 2750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct workqueue_struct *wqueue, 2751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int (*wfunc)(struct work_struct *w)) 2752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 2754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 2755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 2757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!worker->timeout_ms) 2759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->timeout_ms = MWL8K_CONFIG_TIMEOUT_MS; 2760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!worker->options) 2762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->options = MWL8K_WQ_DEFAULT_OPTIONS; 2763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!worker->txwait_attempts) 2765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->txwait_attempts = MWL8K_WQ_TXWAIT_ATTEMPTS; 2766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!worker->tx_timeout_ms) 2768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->tx_timeout_ms = MWL8K_TXWAIT_MS; 2769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->hw = hw; 2771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->cmd_wait = &cmd_wait; 2772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->rc = 1; 2773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->wfunc = wfunc; 2774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek INIT_WORK(&worker->wt, mwl8k_config_thread); 2776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek queue_work(wqueue, &worker->wt); 2777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker->options & MWL8K_WQ_POST_REQUEST) { 2779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 2780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 2781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker->options & MWL8K_WQ_SPIN) { 2782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = worker->timeout_ms; 2783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (timeout && (worker->rc > 0)) { 2784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mdelay(1); 2785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout--; 2786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else if (worker->options & MWL8K_WQ_SLEEP) 2788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 2789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(worker->timeout_ms)); 2790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (timeout) 2792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = worker->rc; 2793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else { 2794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&worker->wt); 2795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 2796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_start_worker { 2803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct header; 2804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start_wt(struct work_struct *wt) 2807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_start_worker *worker = (struct mwl8k_start_worker *)wt; 2809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->header.hw; 2810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 2812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif != NULL) { 2814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_start_exit; 2816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn on radio */ 2819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_ENABLE)) { 2820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_start_exit; 2822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Purge TX/RX HW queues */ 2825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_set_pre_scan(hw)) { 2826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_start_exit; 2828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_set_post_scan(hw, "\x00\x00\x00\x00\x00\x00")) { 2831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_start_exit; 2833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable firmware rate adaptation */ 2836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_setrateadaptmode(hw, 0)) { 2837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_start_exit; 2839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable WMM. WMM gets enabled when stack sends WMM parms */ 2842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_set_wmm(hw, MWL8K_WMM_DISABLE)) { 2843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_start_exit; 2845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable sniffer mode */ 2848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_enable_sniffer(hw, 0)) 2849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_start_exit: 2852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 2856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_start_worker *worker; 2858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable tx reclaim tasklet */ 2862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_enable(&priv->tx_reclaim_task); 2863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = request_irq(priv->pdev->irq, &mwl8k_interrupt, 2865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 2866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 2868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 2869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_start_disable_tasklet; 2871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 2874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(priv->int_mask, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker = kzalloc(sizeof(*worker), GFP_KERNEL); 2877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker == NULL) { 2878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ENOMEM; 2879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_start_disable_irq; 2880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_queue_work(hw, &worker->header, 2883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq, mwl8k_start_wt); 2884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(worker); 2885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 2886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == -ETIMEDOUT) 2889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s() timed out\n", __func__); 2890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EIO; 2892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_start_disable_irq: 2894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_irq(&priv->tx_lock); 2895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_irq(&priv->tx_lock); 2897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 2898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_start_disable_tasklet: 2900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_stop_worker { 2906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct header; 2907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_stop_wt(struct work_struct *wt) 2910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_stop_worker *worker = (struct mwl8k_stop_worker *)wt; 2912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->header.hw; 2913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_DISABLE); 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_stop_worker *worker; 2924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif != NULL) 2928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 2929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 2931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker = kzalloc(sizeof(*worker), GFP_KERNEL); 2933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker == NULL) 2934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 2935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_queue_work(hw, &worker->header, 2937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq, mwl8k_stop_wt); 2938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(worker); 2939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == -ETIMEDOUT) 2940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s() timed out\n", __func__); 2941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 2943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_irq(&priv->tx_lock); 2944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_irq(&priv->tx_lock); 2946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 2947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 2949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 2950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 2951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 2952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop tx reclaim tasklet */ 2954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop config thread */ 2957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek flush_workqueue(priv->config_wq); 2958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 2960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 2962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 2965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_if_init_conf *conf) 2966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 2969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support one active interface at a time. 2972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif != NULL) 2974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EBUSY; 2975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support managed interfaces for now. 2978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->type != NL80211_IFTYPE_STATION && 2980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->type != NL80211_IFTYPE_MONITOR) 2981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clean out driver private area */ 2984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(conf->vif); 2985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 2986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Save the mac address */ 2988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(mwl8k_vif->mac_addr, conf->mac_addr, IEEE80211_ADDR_LEN); 2989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Back pointer to parent config block */ 2991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->priv = priv; 2992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Setup initial PHY parameters */ 2994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(mwl8k_vif->legacy_rates , 2995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->rates, sizeof(mwl8k_vif->legacy_rates)); 2996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->legacy_nrates = ARRAY_SIZE(priv->rates); 2997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set Initial sequence number to zero */ 2999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 3000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = conf->vif; 3002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->current_channel = NULL; 3003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 3005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 3008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_if_init_conf *conf) 3009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif == NULL) 3013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 3016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_config_worker { 3019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct header; 3020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 changed; 3021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_config_wt(struct work_struct *wt) 3024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_config_worker *worker = 3026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek (struct mwl8k_config_worker *)wt; 3027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->header.hw; 3028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 3029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 3031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!conf->radio_enabled) { 3033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_DISABLE); 3034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->current_channel = NULL; 3035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 3036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_config_exit; 3037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_ENABLE)) { 3040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_config_exit; 3042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->current_channel = conf->channel; 3045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_set_rf_channel(hw, conf->channel)) { 3047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_config_exit; 3049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 3052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 3053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_802_11_rf_tx_power(hw, conf->power_level)) { 3054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_config_exit; 3056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_mimo_config(hw, 0x7, 0x7)) 3059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_config_exit: 3062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 3066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 3068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_config_worker *worker; 3069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker = kzalloc(sizeof(*worker), GFP_KERNEL); 3072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker == NULL) 3073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->changed = changed; 3076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_queue_work(hw, &worker->header, 3077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq, mwl8k_config_wt); 3078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == -ETIMEDOUT) { 3079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s() timed out.\n", __func__); 3080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(worker); 3084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * mac80211 will crash on anything other than -EINVAL on 3087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * error. Looks like wireless extensions which calls mac80211 3088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * may be the actual culprit... 3089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc ? -EINVAL : 0; 3091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_bss_info_changed_worker { 3094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct header; 3095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif; 3096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info; 3097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 changed; 3098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_bss_info_changed_wt(struct work_struct *wt) 3101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_bss_info_changed_worker *worker = 3103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek (struct mwl8k_bss_info_changed_worker *)wt; 3104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->header.hw; 3105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif = worker->vif; 3106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = worker->info; 3107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 changed; 3108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 3112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek changed = worker->changed; 3114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 3115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (info->assoc) { 3117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(&mwl8k_vif->bss_info, info, 3118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_bss_conf)); 3119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Install rates */ 3121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_update_rateset(hw, vif)) 3122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_bss_info_changed_exit; 3123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn on rate adaptation */ 3125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE, 3126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_UCAST_RATE, NULL)) 3127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_bss_info_changed_exit; 3128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set radio preamble */ 3130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_set_radio_preamble(hw, 3131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->use_short_preamble)) 3132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_bss_info_changed_exit; 3133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set slot time */ 3135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_set_slot(hw, info->use_short_slot ? 3136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SHORT_SLOTTIME : MWL8K_LONG_SLOTTIME)) 3137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_bss_info_changed_exit; 3138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Update peer rate info */ 3140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_update_sta_db(hw, vif, 3141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_STA_DB_MODIFY_ENTRY)) 3142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_bss_info_changed_exit; 3143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set AID */ 3145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_set_aid(hw, vif)) 3146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_bss_info_changed_exit; 3147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 3150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 3151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->capture_bssid, 3153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->bssid, IEEE80211_ADDR_LEN); 3154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 3155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 3156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY); 3157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&mwl8k_vif->bss_info, 0, 3158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_bss_conf)); 3159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif->bssid, 0, IEEE80211_ADDR_LEN); 3160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_bss_info_changed_exit: 3163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 3164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_bss_info_changed(struct ieee80211_hw *hw, 3168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif, 3169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info, 3170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 changed) 3171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_bss_info_changed_worker *worker; 3173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 31742d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 3175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 31772d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg if (changed & BSS_CHANGED_BSSID) 31782d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg memcpy(mv_vif->bssid, info->bssid, IEEE80211_ADDR_LEN); 31792d0ddec5b2b859f06116f631fc0ffe94fbceb556Johannes Berg 3180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) == 0) 3181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker = kzalloc(sizeof(*worker), GFP_KERNEL); 3184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker == NULL) 3185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->vif = vif; 3188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->info = info; 3189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->changed = changed; 3190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_queue_work(hw, &worker->header, 3191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq, 3192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_bss_info_changed_wt); 3193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(worker); 3194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == -ETIMEDOUT) 3195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s() timed out\n", __func__); 3196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_configure_filter_worker { 3199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct header; 3200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int changed_flags; 3201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int *total_flags; 3202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int mc_count; 3203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct dev_addr_list *mclist; 3204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SUPPORTED_IF_FLAGS FIF_BCN_PRBRESP_PROMISC 3207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_configure_filter_wt(struct work_struct *wt) 3209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_configure_filter_worker *worker = 3211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek (struct mwl8k_configure_filter_worker *)wt; 3212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->header.hw; 3214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int changed_flags = worker->changed_flags; 3215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int *total_flags = worker->total_flags; 3216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int mc_count = worker->mc_count; 3217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct dev_addr_list *mclist = worker->mclist; 3218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif; 3221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 3222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 3224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) 3225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 3226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else { 3227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif = MWL8K_VIF(priv->vif); 3228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, mv_vif->bssid); 3229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_configure_filter_exit; 3234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mc_count) { 3235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mc_count = mc_count < priv->num_mcaddrs ? 3236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mc_count : priv->num_mcaddrs; 3237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_mac_multicast_adr(hw, mc_count, mclist); 3238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR 3240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "%s()Error setting multicast addresses\n", 3241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __func__); 3242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_configure_filter_exit: 3245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 3249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int changed_flags, 3250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int *total_flags, 3251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int mc_count, 3252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct dev_addr_list *mclist) 3253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_configure_filter_worker *worker; 3256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clear unsupported feature flags */ 3259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *total_flags &= MWL8K_SUPPORTED_IF_FLAGS; 3260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!(changed_flags & MWL8K_SUPPORTED_IF_FLAGS) && !mc_count) 3262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker = kzalloc(sizeof(*worker), GFP_ATOMIC); 3265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker == NULL) 3266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->header.options = MWL8K_WQ_QUEUE_ONLY | MWL8K_WQ_TX_WAIT_EMPTY; 3269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->changed_flags = changed_flags; 3270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->total_flags = total_flags; 3271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->mc_count = mc_count; 3272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->mclist = mclist; 3273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_queue_work(hw, &worker->header, priv->config_wq, 3275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_configure_filter_wt); 3276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_set_rts_threshold_worker { 3279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct header; 3280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 value; 3281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold_wt(struct work_struct *wt) 3284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_set_rts_threshold_worker *worker = 3286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek (struct mwl8k_set_rts_threshold_worker *)wt; 3287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->header.hw; 3289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 threshold = (u16)(worker->value); 3290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rts_threshold(hw, MWL8K_CMD_SET, &threshold); 3293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_set_rts_threshold_worker *worker; 3301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker = kzalloc(sizeof(*worker), GFP_KERNEL); 3304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker == NULL) 3305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->value = value; 3308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_queue_work(hw, &worker->header, 3310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq, 3311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_set_rts_threshold_wt); 3312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(worker); 3313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == -ETIMEDOUT) { 3315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s() timed out\n", __func__); 3316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_conf_tx_worker { 3323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct header; 3324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 queue; 3325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params; 3326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_conf_tx_wt(struct work_struct *wt) 3329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_conf_tx_worker *worker = 3331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek (struct mwl8k_conf_tx_worker *)wt; 3332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->header.hw; 3334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 queue = worker->queue; 3335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params = worker->params; 3336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 3339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->wmm_mode == MWL8K_WMM_DISABLE) 3341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_set_wmm(hw, MWL8K_WMM_ENABLE)) { 3342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto mwl8k_conf_tx_exit; 3344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_set_edca_params(hw, GET_TXQ(queue), params->cw_min, 3347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek params->cw_max, params->aifs, params->txop)) 3348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_conf_tx_exit: 3350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue, 3354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 3355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_conf_tx_worker *worker; 3358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker = kzalloc(sizeof(*worker), GFP_KERNEL); 3361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker == NULL) 3362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->queue = queue; 3365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->params = params; 3366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_queue_work(hw, &worker->header, 3367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq, mwl8k_conf_tx_wt); 3368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(worker); 3369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == -ETIMEDOUT) { 3370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s() timed out\n", __func__); 3371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_tx_stats(struct ieee80211_hw *hw, 3377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats *stats) 3378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 3381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 3382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 3384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) { 3385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + index; 3386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(&stats[index], &txq->tx_stats, 3387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_tx_queue_stats)); 3388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 3390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 3391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_get_stats_worker { 3394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct header; 3395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats; 3396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats_wt(struct work_struct *wt) 3399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_get_stats_worker *worker = 3401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek (struct mwl8k_get_stats_worker *)wt; 3402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return mwl8k_cmd_802_11_get_stat(worker->header.hw, worker->stats); 3404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 3407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 3408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_get_stats_worker *worker; 3411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker = kzalloc(sizeof(*worker), GFP_KERNEL); 3414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (worker == NULL) 3415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 3416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->stats = stats; 3418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_queue_work(hw, &worker->header, 3419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq, mwl8k_get_stats_wt); 3420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(worker); 3422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == -ETIMEDOUT) { 3423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s() timed out\n", __func__); 3424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 3425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 3431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 3432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 3433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 3434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 3435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 3436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 3437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 3438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 3439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 3440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 3441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_tx_stats = mwl8k_get_tx_stats, 3442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 3443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_tx_reclaim_handler(unsigned long data) 3446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *) data; 3449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 3452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 0); 3454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->tx_wait != NULL) { 3456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count = mwl8k_txq_busy(priv); 3457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (count == 0) { 3458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->tx_wait); 3459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 3460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 3463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 3466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 3468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 3469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 3470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 dtim = (MWL8K_VIF(priv->vif))->bss_info.dtim_period; 3471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_finalize_join(priv->hw, skb->data, skb->len, dtim); 3473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 3474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 3476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __devinit mwl8k_probe(struct pci_dev *pdev, 3479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct pci_device_id *id) 3480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 3482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_MAC_BUF(mac); 3484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 *fw; 3487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_enable_device(pdev); 3489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot enable new PCI device\n", 3491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 3492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_request_regions(pdev, MWL8K_NAME); 3496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 3498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 3499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_master(pdev); 3503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 3505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) { 3506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 3507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ENOMEM; 3508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_reg; 3509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw = hw; 3513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pdev = pdev; 3514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = NULL; 3515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 3516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->inconfig = false; 3517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->wep_enabled = 0; 3518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->wmm_mode = false; 3519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts = 0; 3520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek strncpy(priv->name, MWL8K_NAME, sizeof(priv->name)); 3521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_init(&priv->fw_lock); 3523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_DEV(hw, &pdev->dev); 3525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, hw); 3526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs = pci_iomap(pdev, 1, 0x10000); 3528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs == NULL) { 3529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot map device memory\n", priv->name); 3530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels)); 3534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.band = IEEE80211_BAND_2GHZ; 3535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.channels = priv->channels; 3536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_channels = ARRAY_SIZE(mwl8k_channels); 3537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.bitrates = priv->rates; 3538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_bitrates = ARRAY_SIZE(mwl8k_rates); 3539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; 3540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates) != sizeof(mwl8k_rates)); 3542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->rates, mwl8k_rates, sizeof(mwl8k_rates)); 3543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Extra headroom is the size of the required DMA header 3546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * minus the size of the smallest 802.11 frame (CTS frame). 3547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->extra_tx_headroom = 3549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 3550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->channel_change_time = 10; 3552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->queues = MWL8K_TX_QUEUES; 3554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->wiphy->interface_modes = 3556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_MONITOR); 3557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set rssi and noise values to dBm */ 3559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->flags |= (IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM); 3560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->vif_data_size = sizeof(struct mwl8k_vif); 3561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 3562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set default radio state and preamble */ 3564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->radio_preamble = MWL8K_RADIO_DEFAULT_PREAMBLE; 3565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->radio_state = MWL8K_RADIO_DISABLE; 3566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Finalize join worker */ 3568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 3569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX reclaim tasklet */ 3571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_init(&priv->tx_reclaim_task, 3572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_reclaim_handler, (unsigned long)hw); 3573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 3574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Config workthread */ 3576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq = create_singlethread_workqueue("mwl8k_config"); 3577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->config_wq == NULL) 3578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Power management cookie */ 3581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 3582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie == NULL) 3583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 3586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 3589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_init(&priv->tx_lock); 3591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) { 3593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_init(hw, i); 3594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 3599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->int_mask = 0; 3600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(priv->int_mask, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 3602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = request_irq(priv->pdev->irq, &mwl8k_interrupt, 3605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 3606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 3608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 3609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Reset firmware and hardware */ 3613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 3616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_firmware(priv, (u32)id->driver_data); 3617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Firmware files not found\n", priv->name); 3619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_irq; 3620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Load firmware into hardware */ 3623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_load_firmware(priv); 3624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot start firmware\n", priv->name); 3626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 3630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_firmware(priv); 3631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 3634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * commands use interrupts and avoids polling. Disable 3635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 3636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->int_mask |= MWL8K_A2H_EVENTS; 3638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(priv->int_mask, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 3642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_get_hw_spec(hw); 3643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot initialise firmware\n", priv->name); 3645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 3649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_DISABLE); 3650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot disable\n", priv->name); 3652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 3656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_irq(&priv->tx_lock); 3657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_irq(&priv->tx_lock); 3659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = ieee80211_register_hw(hw); 3662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot register device\n", priv->name); 3664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek fw = (u8 *)&priv->fw_rev; 3668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_INFO "%s: 88W%u %s\n", priv->name, priv->part_num, 3669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_DESC); 3670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_INFO "%s: Driver Ver:%s Firmware Ver:%u.%u.%u.%u\n", 3671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name, MWL8K_VERSION, fw[3], fw[2], fw[1], fw[0]); 3672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_INFO "%s: MAC Address: %s\n", priv->name, 3673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek print_mac(mac, hw->wiphy->perm_addr)); 3674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 3676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_stop_firmware: 3678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_firmware(priv); 3680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 3682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_irq(&priv->tx_lock); 3683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_irq(&priv->tx_lock); 3685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 3688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_iounmap: 3693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 3694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 3695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 3696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 3698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->config_wq != NULL) 3701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek destroy_workqueue(priv->config_wq); 3702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 3707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3713230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_shutdown(struct pci_dev *pdev) 3714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); 3716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3718230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_remove(struct pci_dev *pdev) 3719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 3721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 3725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 3729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Remove tx reclaim tasklet */ 3731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_kill(&priv->tx_reclaim_task); 3732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop config thread */ 3734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek destroy_workqueue(priv->config_wq); 3735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 3737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 3740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 3742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_unregister_hw(hw); 3744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 3751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 3752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 3761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 3762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .id_table = mwl8k_table, 3763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 3764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove = __devexit_p(mwl8k_remove), 3765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .shutdown = __devexit_p(mwl8k_shutdown), 3766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __init mwl8k_init(void) 3769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return pci_register_driver(&mwl8k_driver); 3771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void __exit mwl8k_exit(void) 3774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unregister_driver(&mwl8k_driver); 3776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_init(mwl8k_init); 3779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_exit(mwl8k_exit); 3780