mwl8k.c revision 088aab8b62666a002907c912cd346ae6dc9f42b7
1a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * drivers/net/wireless/mwl8k.c 3ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * Driver for Marvell TOPDOG 802.11 Wireless cards 4a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 5a145d575833ff47330125364cb49304db7308825Lennert Buytenhek * Copyright (C) 2008-2009 Marvell Semiconductor Inc. 6a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 7a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This file is licensed under the terms of the GNU General Public 8a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * License version 2. This program is licensed "as is" without any 9a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * warranty of any kind, whether express or implied. 10a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 11a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/init.h> 13a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/module.h> 14a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/kernel.h> 153d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek#include <linux/sched.h> 16a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/spinlock.h> 17a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/list.h> 18a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/pci.h> 19a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/delay.h> 20a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/completion.h> 21a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/etherdevice.h> 22a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <net/mac80211.h> 23a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/moduleparam.h> 24a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/firmware.h> 25a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/workqueue.h> 26a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 27a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver" 28a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_NAME KBUILD_MODNAME 296976b665fc2b19900659b964bba3b55de08f264fLennert Buytenhek#define MWL8K_VERSION "0.11" 30a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 31a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Register definitions */ 32a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_GEN_PTR 0x00000c10 33ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_STA 0x0000005a 34ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_AP 0x000000a5 35a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_INT_CODE 0x00000c14 36ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWSTA_READY 0xf0f1f2f4 37ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWAP_READY 0xf1f2f4a5 38ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005 39a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_SCRATCH 0x00000c40 40a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 41a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Host->device communications */ 42a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18 43a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c 44a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20 45a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24 46a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28 47ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DUMMY (1 << 20) 48ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_RESET (1 << 15) 49ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DOORBELL (1 << 1) 50ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_PPA_READY (1 << 0) 51a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 52a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Device->host communications */ 53a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c 54a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30 55a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34 56a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38 57a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c 58ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_DUMMY (1 << 20) 59ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11) 60ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10) 61ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7) 62ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_ON (1 << 6) 63ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_OFF (1 << 5) 64ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_MAC_EVENT (1 << 3) 65ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_OPC_DONE (1 << 2) 66ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RX_READY (1 << 1) 67ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_TX_DONE (1 << 0) 68a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 69a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \ 70a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_CHNL_SWITCHED | \ 71a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_QUEUE_EMPTY | \ 72a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADAR_DETECT | \ 73a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_ON | \ 74a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_OFF | \ 75a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_MAC_EVENT | \ 76a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_OPC_DONE | \ 77a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RX_READY | \ 78a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_TX_DONE) 79a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 80a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_QUEUES 1 81a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_QUEUES 4 82a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 8354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstruct rxd_ops { 8454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int rxd_size; 8554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr); 8654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_refill)(void *rxd, dma_addr_t addr, int len); 8720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status, 8820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 *qos); 8954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 9054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 9145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstruct mwl8k_device_info { 92a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *part_name; 93a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *helper_image; 94a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *fw_image; 9589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct rxd_ops *ap_rxd_ops; 9645a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 9745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 98a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 9945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int rxd_count; 100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 10245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 10545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 10754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 10845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t rxd_dma; 109788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct { 110788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct sk_buff *skb; 111788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek DECLARE_PCI_UNMAP_ADDR(dma) 112788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek } *buf; 113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 11745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 12045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct ieee80211_tx_queue_stats stats; 12345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct mwl8k_tx_desc *txd; 12445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t txd_dma; 12545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct sk_buff **skb; 126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 13245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek struct mwl8k_device_info *device_info; 13345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 134be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *sram; 135be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *regs; 136be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 137be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* firmware */ 13822be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek struct firmware *fw_helper; 13922be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek struct firmware *fw_ucode; 140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 141be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* hardware/firmware parameters */ 142be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek bool ap_fw; 143be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek struct rxd_ops *rxd_ops; 144be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 145618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek /* firmware access */ 146618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mutex fw_mutex; 147618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct task_struct *fw_mutex_owner; 148618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 149618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 150618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 15588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 15688de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif; 158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *current_channel; 160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 1672aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue txq[MWL8K_TX_QUEUES]; 177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* PHY parameters */ 179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_supported_band band; 180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel channels[14]; 181140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek struct ieee80211_rate rates[14]; 182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 183c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 18468ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 185a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek bool sniffer_enabled; 1860439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 188bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct work_struct sta_notify_worker; 189bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spinlock_t sta_notify_list_lock; 190bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct list_head sta_notify_list; 191bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 194d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Tasklet to reclaim TX descriptors and buffers after tx */ 206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct tasklet_struct tx_reclaim_task; 207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 211c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek /* Non AMPDU sequence number assigned by driver. */ 212a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u16 seqno; 213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 214a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 216a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstruct mwl8k_sta { 217a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek /* Index into station database. Returned by UPDATE_STADB. */ 218a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u8 peer_id; 219a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek}; 220a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv)) 221a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels[] = { 223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 234647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2467, .hw_value = 12, }, 235647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2472, .hw_value = 13, }, 236647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2484, .hw_value = 14, }, 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates[] = { 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 2435dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 2445dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 220, .hw_value = 44, }, 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 253140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 254140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek}; 255140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek 256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET 0x0001 258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 26342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_CMD_SET_HW_SPEC 0x0004 264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 266ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 267ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 26808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_CMD_RF_ANTENNA 0x0020 269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 271ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 272ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 273ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 274ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 275ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 277ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 278ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 280ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 28232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek#define MWL8K_CMD_SET_MAC_ADDR 0x0202 283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 284ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize) 287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 292ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek switch (cmd & ~0x8000) { 293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 29542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek MWL8K_CMDNAME(SET_HW_SPEC); 296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 30008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek MWL8K_CMDNAME(RF_ANTENNA); 301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 304ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 305ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 306ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 307ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 309ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 310ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 312ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 31432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek MWL8K_CMDNAME(SET_MAC_ADDR); 315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 316ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_fw(struct firmware **fw) 337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 34622be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_ucode); 34722be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 352c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek const char *fname, struct firmware **fw) 353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return request_firmware((const struct firmware **)fw, 359c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek fname, &priv->pdev->dev); 360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 36245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic int mwl8k_request_firmware(struct mwl8k_priv *priv) 363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 364a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 367a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (di->helper_image != NULL) { 36822be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek rc = mwl8k_request_fw(priv, di->helper_image, &priv->fw_helper); 369a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (rc) { 370a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek printk(KERN_ERR "%s: Error requesting helper " 371a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek "firmware file %s\n", pci_name(priv->pdev), 372a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek di->helper_image); 373a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek return rc; 374a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek } 375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 37722be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek rc = mwl8k_request_fw(priv, di->fw_image, &priv->fw_ucode); 378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 379c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 380a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek pci_name(priv->pdev), di->fw_image); 38122be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3887e75b942f67a13a9980c5e2b4fa1993b20426284Ben HutchingsMODULE_FIRMWARE("mwl8k/helper_8687.fw"); 3897e75b942f67a13a9980c5e2b4fa1993b20426284Ben HutchingsMODULE_FIRMWARE("mwl8k/fmimage_8687.fw"); 3907e75b942f67a13a9980c5e2b4fa1993b20426284Ben Hutchings 391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 seq_num; 395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4303d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek cond_resched(); 431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 436d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 539c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 541c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 54222be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek struct firmware *fw = priv->fw_ucode; 543c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 544c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 545c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 546c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) { 54722be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek struct firmware *helper = priv->fw_helper; 548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 549c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 550c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 551c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 552c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 553c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 555c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 558c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 56189b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek msleep(5); 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 563c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 565c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 569c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 570c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 57489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 57689b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek loops = 500000; 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 578eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek u32 ready_code; 579eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 580eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE); 581eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (ready_code == MWL8K_FWAP_READY) { 582eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw = 1; 583eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek break; 584eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } else if (ready_code == MWL8K_FWSTA_READY) { 585eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw = 0; 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 587eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } 588eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 589eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek cond_resched(); 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 60120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek char data[0]; 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 60520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos) 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 60720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek struct mwl8k_dma_data *tr; 60820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int hdrlen; 60920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 61020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 61120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 61220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 61320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(tr->wh)) { 61420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (ieee80211_is_data_qos(tr->wh.frame_control)) { 61520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen - 2); 61620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *((__le16 *)(tr->data - 2)) = qos; 61720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } else { 61820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen); 61920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 62120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 62220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(*tr)) 62320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek skb_pull(skb, sizeof(*tr) - hdrlen); 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 62676266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhekstatic inline void mwl8k_add_dma_header(struct sk_buff *skb) 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 629ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek int hdrlen; 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 632ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek /* 633ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * Add a firmware DMA header; the firmware requires that we 634ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * present a 2-byte payload length followed by a 4-address 635ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * header (without QoS field), followed (optionally) by any 636ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * WEP/ExtIV header (but only filled in for CCMP). 637ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek */ 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 639ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 641ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(*tr)) 642ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek skb_push(skb, sizeof(*tr) - hdrlen); 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 644ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 645ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek hdrlen -= 2; 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 650ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(tr->wh)) 651ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek memset(((void *)&tr->wh) + hdrlen, 0, sizeof(tr->wh) - hdrlen); 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 658ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr)); 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 66389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for 88w8366 AP firmware. 6646f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek */ 66589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_8366_ap { 6666f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 pkt_len; 6676f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 sq2; 6686f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rate; 6696f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 pkt_phys_addr; 6706f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 next_rxd_phys_addr; 6716f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 qos_control; 6726f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 htsig2; 6736f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_rssi_info; 6746f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_noise_floor_info; 6756f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 noise_floor; 6766f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 pad0[3]; 6776f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rssi; 6786f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_status; 6796f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 channel; 6806f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_ctrl; 6816f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} __attribute__((packed)); 6826f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 68389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_MCS_FORMAT 0x80 68489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_40MHZ 0x40 68589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_RATEID(x) ((x) & 0x3f) 6868e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek 68789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST 0x80 6886f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 68989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_init(void *_rxd, dma_addr_t next_dma_addr) 6906f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 69189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 6926f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 6936f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 69489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST; 6956f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 6966f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 69789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_refill(void *_rxd, dma_addr_t addr, int len) 6986f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 69989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 7006f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7016f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 7026f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 7036f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek wmb(); 7046f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->rx_ctrl = 0; 7056f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 7066f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7076f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhekstatic int 70889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status, 70989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek __le16 *qos) 7106f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 71189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 7126f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 71389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST)) 7146f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return -1; 7156f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rmb(); 7166f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7176f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 7186f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7196f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->signal = -rxd->rssi; 7206f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->noise = -rxd->noise_floor; 7216f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 72289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_MCS_FORMAT) { 7236f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 72489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_40MHZ) 7258e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 72689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_8366_AP_RATE_INFO_RATEID(rxd->rate); 7276f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } else { 7286f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek int i; 7296f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7306f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek for (i = 0; i < ARRAY_SIZE(mwl8k_rates); i++) { 7316f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek if (mwl8k_rates[i].hw_value == rxd->rate) { 7326f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->rate_idx = i; 7336f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek break; 7346f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 7356f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 7366f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 7376f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7386f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 7396f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->freq = ieee80211_channel_to_frequency(rxd->channel); 7406f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 74120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 74220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 7436f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 7446f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 7456f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 74689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_8366_ap_ops = { 74789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_8366_ap), 74889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_8366_ap_init, 74989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_8366_ap_refill, 75089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_8366_ap_process, 7516f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 7526f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7536f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek/* 75489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for STA firmware. 755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 75689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_sta { 757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 76145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_rxd_phys_addr; 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 77389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTPRE 0x8000 77489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) 77589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) 77689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_40MHZ 0x0004 77789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTGI 0x0002 77889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001 77954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 78089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02 78154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 78289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr) 78354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 78489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 78554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 78654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 78789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_STA_RX_CTRL_OWNED_BY_HOST; 78854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 78954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 79089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_refill(void *_rxd, dma_addr_t addr, int len) 79154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 79289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 79354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 79454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 79554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 79654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek wmb(); 79754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->rx_ctrl = 0; 79854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 79954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 80054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstatic int 80189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status, 80220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 *qos) 80354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 80489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 80554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek u16 rate_info; 80654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 80789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_STA_RX_CTRL_OWNED_BY_HOST)) 80854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return -1; 80954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rmb(); 81054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 81154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rate_info = le16_to_cpu(rxd->rate_info); 81254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 81354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 81454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 81554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->signal = -rxd->rssi; 81654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->noise = -rxd->noise_level; 81789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->antenna = MWL8K_STA_RATE_INFO_ANTSELECT(rate_info); 81889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_STA_RATE_INFO_RATEID(rate_info); 81954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 82089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTPRE) 82154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORTPRE; 82289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_40MHZ) 82354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 82489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTGI) 82554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORT_GI; 82689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_MCS_FORMAT) 82754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 82854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 82954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 83054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->freq = ieee80211_channel_to_frequency(rxd->channel); 83154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 83220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 83320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 83454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 83554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 83654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 83789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_sta_ops = { 83889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_sta), 83989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_sta_init, 84089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_sta_refill, 84189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_sta_process, 84254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 84354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 84454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 85545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count = 0; 85645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = 0; 85745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = 0; 858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 85954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size; 860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 86145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma); 86245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (rxq->rxd == NULL) { 863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX descriptors\n", 864c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 86745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(rxq->rxd, 0, size); 868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 869788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->buf), GFP_KERNEL); 870788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf == NULL) { 871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX skbuff list\n", 872c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 87345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma); 874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 876788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek memset(rxq->buf, 0, MWL8K_RX_DESCS * sizeof(*rxq->buf)); 877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 87954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int desc_size; 88054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 88254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek dma_addr_t next_dma_addr; 88354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 88454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek desc_size = priv->rxd_ops->rxd_size; 88554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size); 886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 88754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = i + 1; 88854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (nexti == MWL8K_RX_DESCS) 88954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = 0; 89054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek next_dma_addr = rxq->rxd_dma + (nexti * desc_size); 891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 89254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_init(rxd, next_dma_addr); 893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 90545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) { 906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 907788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek dma_addr_t addr; 908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 90954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 915788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek addr = pci_map_single(priv->pdev, skb->data, 916788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE); 917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 91854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->rxd_count++; 91954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rx = rxq->tail++; 92054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->tail == MWL8K_RX_DESCS) 92154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->tail = 0; 922788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rx].skb = skb; 923788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[rx], dma, addr); 92454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 92554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size); 92654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ); 927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 942788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf[i].skb != NULL) { 943788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 944788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr(&rxq->buf[i], dma), 945788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 946788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[i], dma, 0); 947788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 948788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree_skb(rxq->buf[i].skb); 949788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[i].skb = NULL; 950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 953788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree(rxq->buf); 954788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = NULL; 955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 95754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek MWL8K_RX_DESCS * priv->rxd_ops->rxd_size, 95845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd, rxq->rxd_dma); 95945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = NULL; 960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !compare_ether_addr(wh->addr3, priv->capture_bssid); 973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 9753779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 9763779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 9783779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 9793779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek 980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 981d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 9903779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 100045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count && limit--) { 1001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 100254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 100354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int pkt_len; 1004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 100520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 qos; 1006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1007788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek skb = rxq->buf[rxq->head].skb; 1008d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 1009d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 101054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 101154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size); 101254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 101320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos); 101454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (pkt_len < 0) 101554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek break; 101654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1017788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rxq->head].skb = NULL; 1018788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1019788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 1020788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr(&rxq->buf[rxq->head], dma), 1021788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 1022788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[rxq->head], dma, 0); 1023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 102454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head++; 102554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->head == MWL8K_RX_DESCS) 102654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head = 0; 102754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 102845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count--; 1029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 103054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek skb_put(skb, pkt_len); 103120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, qos); 1032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1034c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 1035c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 1036c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 1037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 103854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (mwl8k_capture_bssid(priv, (void *)skb->data)) 10393779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 1040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1041f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 1042f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 1043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 1045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 1048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 1053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1061e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_QLEN_UNSPEC 0xff00 1062e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_MASK 0x0060 1063e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_NORMAL 0x0000 1064e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_BLOCKACK 0x0060 1065e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_EOSP 0x0010 1066e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek 1067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1074d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 107545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_txd_phys_addr; 1076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 1077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_frag_cnt; 1080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 109145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(&txq->stats, 0, sizeof(struct ieee80211_tx_queue_stats)); 109245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.limit = MWL8K_TX_DESCS; 109345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = 0; 109445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 1095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 109845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma); 109945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->txd == NULL) { 1100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX descriptors\n", 1101c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 1102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 110445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->txd, 0, size); 1105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 110645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->skb), GFP_KERNEL); 110745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->skb == NULL) { 1108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX skbuff list\n", 1109c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 111045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); 1111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 111345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->skb, 0, MWL8K_TX_DESCS * sizeof(*txq->skb)); 1114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 111945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + i; 1120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 112345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc->next_txd_phys_addr = 112445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc)); 1125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11397e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhekstatic void mwl8k_dump_tx_rings(struct ieee80211_hw *hw) 1140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 11417e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 11427e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int i; 11437e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 11447e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) { 11457e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + i; 11467e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int fw_owned = 0; 11477e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int drv_owned = 0; 11487e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int unused = 0; 11497e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int desc; 11507e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 11527e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_desc *tx_desc = txq->txd + desc; 11537e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek u32 status; 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11557e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek status = le32_to_cpu(tx_desc->status); 1156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 11577e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned++; 1158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 11597e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek drv_owned++; 1160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 11627e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unused++; 1163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11657e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek printk(KERN_ERR "%s: txq[%d] len=%d head=%d tail=%d " 11667e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek "fw_owned=%d drv_owned=%d unused=%d\n", 11677e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek wiphy_name(hw->wiphy), i, 11687e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek txq->stats.len, txq->head, txq->tail, 11697e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned, drv_owned, unused); 11707e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1173618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 117488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1175618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 117662abd3cfb2f1a0ab1963ac4c4087c477da6b1f2aLennert Buytenhek#define MWL8K_TX_WAIT_TIMEOUT_MS 5000 11777e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1178950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 118188de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 11827e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int retry; 11837e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int rc; 1184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11877e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek /* 11887e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * The TX queues are stopped at this point, so this test 11897e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * doesn't need to take ->tx_lock. 11907e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek */ 11917e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (!priv->pending_tx_pkts) 11927e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return 0; 11937e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 11947e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 0; 11957e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = 0; 11967e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 11987e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->tx_wait = &tx_wait; 11997e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek while (!rc) { 12007e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int oldcount; 12017e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unsigned long timeout; 1202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12037e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek oldcount = priv->pending_tx_pkts; 1204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12057e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 120688de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 12077e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS)); 1208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 12097e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 12107e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (timeout) { 12117e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek WARN_ON(priv->pending_tx_pkts); 12127e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (retry) { 12137e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek printk(KERN_NOTICE "%s: tx rings drained\n", 12147e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek wiphy_name(hw->wiphy)); 12157e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 12167e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek break; 12177e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 12187e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 12197e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (priv->pending_tx_pkts < oldcount) { 12209a2303b93039d0f3dd578cd75fe20ebaf075f1cbLennert Buytenhek printk(KERN_NOTICE "%s: waiting for tx rings " 12219a2303b93039d0f3dd578cd75fe20ebaf075f1cbLennert Buytenhek "to drain (%d -> %d pkts)\n", 12227e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek wiphy_name(hw->wiphy), oldcount, 12237e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->pending_tx_pkts); 12247e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 1; 12257e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek continue; 12267e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 12277e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12307e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek printk(KERN_ERR "%s: tx rings stuck for %d ms\n", 12317e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek wiphy_name(hw->wiphy), MWL8K_TX_WAIT_TIMEOUT_MS); 12327e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek mwl8k_dump_tx_rings(hw); 12337e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 12347e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = -ETIMEDOUT; 1235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 12367e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12387e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return rc; 1239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1241c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1242c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1243c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1244c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) 1247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int wake = 0; 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 125245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (txq->stats.len > 0) { 1253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1256ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 126145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->head; 126245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + tx; 1263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 127345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = (tx + 1) % MWL8K_TX_DESCS; 127445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->stats.len == 0); 127545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.len--; 1276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1279ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 128045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek skb = txq->skb[tx]; 128145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[tx] = NULL; 1282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 128620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, tx_desc->qos_control); 1287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 1294ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1299618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek wake = 1; 1300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1302618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (wake && priv->radio_on && !mutex_is_locked(&priv->fw_mutex)) 1303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_wake_queue(hw, index); 1304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, index, 1); 1313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 131445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek kfree(txq->skb); 131545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = NULL; 1316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 131945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd, txq->txd_dma); 132045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = NULL; 1321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb) 1325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 132823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 1329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 133323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 133423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 133523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 1336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 133723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 133823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 133923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 134023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 134123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 134376266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_add_dma_header(skb); 134423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 1347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno = mwl8k_vif->seqno; 135123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl |= cpu_to_le16(seqno << 4); 1354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = seqno++ % 4096; 1355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 135723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 135823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 135923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 136023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 136123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 136223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 1363e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_QLEN_UNSPEC | MWL8K_QOS_EOSP; 136423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 136523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 136623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 136723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 136823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1369e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 137023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 1371e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_BLOCKACK; 137223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 1373e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 137423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 1377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 1378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 1380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: failed to dma map skb, " 1381c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "dropping TX frame.\n", wiphy_name(hw->wiphy)); 138223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 1383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 138623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 1387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 138823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 1389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 139045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->skb[txq->tail] != NULL); 139145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[txq->tail] = skb; 1392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 139345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->txd + txq->tail; 139423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 139523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->tx_priority = index; 1396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 1397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 1398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 139923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 1400a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (!priv->ap_fw && tx_info->control.sta != NULL) 1401a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = MWL8K_STA(tx_info->control.sta)->peer_id; 1402a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek else 1403a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = 0; 1404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 140523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 140623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 140745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.count++; 140845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.len++; 1409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 1410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 141145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail++; 141245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->tail == MWL8K_TX_DESCS) 141345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 141423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 141545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->head == txq->tail) 1416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queue(hw, index); 1417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 141823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 1419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1427618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 1428618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 1429618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 1430618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 1431618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 1432618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 1433618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 1434618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 1435618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 1436618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 1437618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 1438618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 1439618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 1440618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 1441618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 1442618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 1443618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 1444618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1445618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1446618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 1447618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 1448618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1449618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 1450618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 1451618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1452618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 1453618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 1454618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 1455618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 1456618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1457618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 1458618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1459618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1460618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 1461618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1462618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1463618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 1464618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1465618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 1466618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 1467618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1468618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 1469618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 1470618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1471618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1472618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 1473618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 1474618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 1475618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 1476618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1477618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 1478618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1479618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1480618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 1481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 1482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14840c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek/* Timeout firmware commands after 10s */ 14850c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 10000 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 1488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 1492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 1494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 1496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 1497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1498c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek cmd->result = 0xffff; 1499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 1500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 1501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 1503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1505618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 150639a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek if (rc) { 150739a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 150839a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1509618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 151039a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek } 1511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 1513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 1514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 1515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 1520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 1521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1522618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 1523618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1524618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 1525618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 152637055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 152737055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 152837055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 1529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 1530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s timeout after %u ms\n", 1531c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy), 1532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 1533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMD_TIMEOUT_MS); 1534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 1535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 15360c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek int ms; 15370c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 15380c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms = MWL8K_CMD_TIMEOUT_MS - jiffies_to_msecs(timeout); 15390c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 1540ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 1541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 1542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s error 0x%x\n", 1543c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy), 1544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 154576c962a204f8d36b762440aa941fcea3d44e2fd2Lennert Buytenhek le16_to_cpu(cmd->result)); 15460c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek else if (ms > 2000) 15470c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek printk(KERN_NOTICE "%s: Command %s took %d ms\n", 15480c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek wiphy_name(hw->wiphy), 15490c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 15500c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms); 1551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 155704b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek * CMD_GET_HW_SPEC (STA version). 1558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 155904b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_sta { 1560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 1562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 1563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 1564d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 1565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 1566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 1567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 1568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 1569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 1570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 1571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 1572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 tx_queue_ptrs[MWL8K_TX_QUEUES]; 1573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 1574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 157545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 total_rxd; 1576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1578341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MAX_AMSDU 0x20000000 1579341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_GREENFIELD 0x08000000 1580341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_AMPDU 0x04000000 1581341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_STBC 0x01000000 1582341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_STBC 0x00800000 1583341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_40MHZ 0x00400000 1584341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_SHORTGI_20MHZ 0x00200000 1585341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_RX_ANTENNA_MASK 0x000e0000 1586341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_TX_ANTENNA_MASK 0x0001c000 1587341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_DELAY_BA 0x00003000 1588341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_MIMO 0x00000200 1589341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek#define MWL8K_CAP_40MHZ 0x00000100 1590341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 1591341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhekstatic void mwl8k_set_ht_caps(struct ieee80211_hw *hw, u32 cap) 1592341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek{ 1593341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1594341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int rx_streams; 1595341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek int tx_streams; 1596341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 1597341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.ht_supported = 1; 1598341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 1599341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_MAX_AMSDU) 1600341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU; 1601341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_GREENFIELD) 1602341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.cap |= IEEE80211_HT_CAP_GRN_FLD; 1603341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_AMPDU) { 1604341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; 1605341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 1606341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.ampdu_density = 1607341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek IEEE80211_HT_MPDU_DENSITY_NONE; 1608341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 1609341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_RX_STBC) 1610341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.cap |= IEEE80211_HT_CAP_RX_STBC; 1611341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_TX_STBC) 1612341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC; 1613341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_40MHZ) 1614341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 1615341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_SHORTGI_20MHZ) 1616341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; 1617341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_DELAY_BA) 1618341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.cap |= IEEE80211_HT_CAP_DELAY_BA; 1619341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cap & MWL8K_CAP_40MHZ) 1620341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 1621341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 1622341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek rx_streams = hweight32(cap & MWL8K_CAP_RX_ANTENNA_MASK); 1623341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek tx_streams = hweight32(cap & MWL8K_CAP_TX_ANTENNA_MASK); 1624341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 1625341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.mcs.rx_mask[0] = 0xff; 1626341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 2) 1627341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.mcs.rx_mask[1] = 0xff; 1628341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams >= 3) 1629341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.mcs.rx_mask[2] = 0xff; 1630341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.mcs.rx_mask[4] = 0x01; 1631341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 1632341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 1633341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (rx_streams != tx_streams) { 1634341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; 1635341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek priv->band.ht_cap.mcs.tx_params |= (tx_streams - 1) << 1636341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; 1637341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek } 1638341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek} 1639341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek 164004b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) 1641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 164304b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_sta *cmd; 1644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 1652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 1655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 165645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 16574ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES); 1658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 165945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 16604ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 166145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 1662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 1667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 16684ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 1669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 1670341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek if (cmd->caps & cpu_to_le32(MWL8K_CAP_MIMO)) 1671341c97918ab7e84a155ea8b18759425304d213b6Lennert Buytenhek mwl8k_set_ht_caps(hw, le32_to_cpu(cmd->caps)); 1672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 167942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_GET_HW_SPEC (AP version). 168042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 168142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_ap { 168242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 168342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 168442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 168542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_wcb; 168642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 168742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 168842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 168942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_antenna; 169042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 169142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase0; 169242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxwrptr; 169342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxrdptr; 169442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 169542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase1; 169642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase2; 169742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase3; 169842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} __attribute__((packed)); 169942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 170042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw) 170142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 170242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 170342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_ap *cmd; 170442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 170542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 170642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 170742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 170842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 170942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 171042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 171142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 171242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 171342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 171442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 171542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 171642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 171742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 171842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) { 171942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int off; 172042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 172142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 172242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 172342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 172442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->hw_rev = cmd->hw_rev; 172542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 172642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->wcbbase0) & 0xffff; 172742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->txq[0].txd_dma), priv->sram + off); 172842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 172942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxwrptr) & 0xffff; 173042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off); 173142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 173242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxrdptr) & 0xffff; 173342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off); 173442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 173542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->wcbbase1) & 0xffff; 173642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->txq[1].txd_dma), priv->sram + off); 173742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 173842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->wcbbase2) & 0xffff; 173942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->txq[2].txd_dma), priv->sram + off); 174042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 174142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->wcbbase3) & 0xffff; 174242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->txq[3].txd_dma), priv->sram + off); 174342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 174442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 174542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 174642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 174742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 174842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 174942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 175042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_SET_HW_SPEC. 175142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 175242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_set_hw_spec { 175342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 175442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 175542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 175642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 175742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 175842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 175942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 176042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 176142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 caps; 176242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rx_queue_ptr; 176342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_queues; 176442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 tx_queue_ptrs[MWL8K_TX_QUEUES]; 176542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 flags; 176642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_desc_per_queue; 176742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 total_rxd; 176842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} __attribute__((packed)); 176942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 177042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080 177142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 177242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw) 177342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 177442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 177542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_set_hw_spec *cmd; 177642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 177742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int i; 177842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 177942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 178042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 178142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 178242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 178342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC); 178442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 178542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 178642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 178742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 178842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES); 178942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 179042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 179142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT); 179242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 179342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 179442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 179542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 179642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 179742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 179842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 179942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 180042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 180142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 1802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 1803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 1805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 1808ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 1809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1811d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 1812d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 1813d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 1814d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 1815ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1816e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 1817447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti, 1818e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 1819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1820e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 1822e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 1823e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1824447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (allmulti || mc_count > priv->num_mcaddrs) { 1825d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 1826d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 1827d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 1828e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1829e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 1830ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1831e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 1832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1833e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 1834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 1836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 1837d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 1838d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 1839d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 1840d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 1841d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 1842d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 1843d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek int i; 1844d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 1845d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 1846d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 1847d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek for (i = 0; i < mc_count && mclist; i++) { 1848d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (mclist->da_addrlen != ETH_ALEN) { 1849d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek kfree(cmd); 1850d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek return NULL; 1851d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 1852d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN); 1853d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mclist = mclist->next; 1854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1857e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 1858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 186155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_GET_STAT. 1862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 186355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_get_stat { 1864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 1866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 1869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 1870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 1871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 1872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 187355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_get_stat(struct ieee80211_hw *hw, 187455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_low_level_stats *stats) 1875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 187655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_get_stat *cmd; 1877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 1884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 1889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 1890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 1891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 1893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 1895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 1896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 190355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RADIO_CONTROL. 1904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 190555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_radio_control { 1906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 1909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 1910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1912c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 191355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 1914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 191655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_radio_control *cmd; 1917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1919c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 1920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 1927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 192968ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 1930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 1931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 1936c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 1937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 194155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_disable(struct ieee80211_hw *hw) 1942c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 194355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 0, 0); 1944c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1945c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 194655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_enable(struct ieee80211_hw *hw) 1947c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 194855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 0); 1949c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1950c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 1951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 1953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 195499200a992e365a73dc67a6570524e5f3af4386ddLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 195668ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 1957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 195855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 1); 1959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 196255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RF_TX_POWER. 1963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_POWER_LEVEL_TOTAL 8 1965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 196655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_rf_tx_power { 1967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 1970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 1971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 1972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 1973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 197555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm) 1976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 197755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_rf_tx_power *cmd; 1978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 1985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 1988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 199608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek * CMD_RF_ANTENNA. 199708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek */ 199808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstruct mwl8k_cmd_rf_antenna { 199908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_pkt header; 200008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 antenna; 200108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 mode; 200208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} __attribute__((packed)); 200308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 200408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_RX 1 200508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_TX 2 200608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 200708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstatic int 200808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekmwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask) 200908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek{ 201008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_rf_antenna *cmd; 201108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek int rc; 201208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 201308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 201408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (cmd == NULL) 201508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return -ENOMEM; 201608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 201708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA); 201808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 201908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->antenna = cpu_to_le16(antenna); 202008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->mode = cpu_to_le16(mask); 202108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 202208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 202308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek kfree(cmd); 202408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 202508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return rc; 202608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} 202708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 202808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek/* 2029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 2030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 2032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 2036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 2038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 2045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 2055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 2057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 2059d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 2060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 20630a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, const __u8 *mac) 2064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 2066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 2073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 2075d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 2076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 2085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 2087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 2090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 2091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 2094610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_conf *conf) 2095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2096610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_channel *channel = conf->channel; 2097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 2098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 2105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 2108610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 2110610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000001); 2111610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2112610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek if (conf->channel_type == NL80211_CHAN_NO_HT || 2113610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek conf->channel_type == NL80211_CHAN_HT20) 2114610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000080); 2115610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40MINUS) 2116610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000001900); 2117610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 2118610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000000900); 2119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 212755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_AID. 2128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 212955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 213055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 213155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 213255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 2133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 213455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_set_aid { 213555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 213655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 aid; 2137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 213855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* AP's MAC address (BSSID) */ 213955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 bssid[ETH_ALEN]; 214055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 protection_mode; 214155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 supp_rates[14]; 2142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2144c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekstatic void legacy_rate_mask_to_array(u8 *rates, u32 mask) 2145c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek{ 2146c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int i; 2147c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int j; 2148c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2149c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek /* 2150c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek * Clear nonstandard rates 4 and 13. 2151c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek */ 2152c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek mask &= 0x1fef; 2153c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2154c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek for (i = 0, j = 0; i < 14; i++) { 2155c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek if (mask & (1 << i)) 2156c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rates[j++] = mwl8k_rates[i].hw_value; 2157c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek } 2158c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek} 2159c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 216055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 2161c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_aid(struct ieee80211_hw *hw, 2162c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, u32 legacy_rate_mask) 2163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 216455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 216555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek u16 prot_mode; 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 217255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 2173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 21747dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek cmd->aid = cpu_to_le16(vif->bss_conf.aid); 21750a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 21777dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.use_cts_prot) { 217855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 217955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 21807dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek switch (vif->bss_conf.ht_operation_mode & 218155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 218255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 218355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 218455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 218555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 218655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 218755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 218855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek default: 218955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 219055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 219155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 219255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 219355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 2194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2195c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->supp_rates, legacy_rate_mask); 2196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 220455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATE. 220532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek */ 220655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate { 220755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 220855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 legacy_rates[14]; 220955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 221055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Bitmap for supported MCS codes. */ 221155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mcs_set[16]; 221255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 reserved[16]; 221332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} __attribute__((packed)); 221432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 221555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 2216c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_rate(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 221713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u32 legacy_rate_mask, u8 *mcs_rates) 221832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek{ 221955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate *cmd; 222032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek int rc; 222132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 222232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 222332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (cmd == NULL) 222432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return -ENOMEM; 222532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 222655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 222732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2228c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->legacy_rates, legacy_rate_mask); 222913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->mcs_set, mcs_rates, 16); 223032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 223132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 223232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek kfree(cmd); 223332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 223432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return rc; 223532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} 223632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 223732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek/* 223855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_FINALIZE_JOIN. 2239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 224055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 224155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 224255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_finalize_join { 2243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 224455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 224555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 2246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 224855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_finalize_join(struct ieee80211_hw *hw, void *frame, 224955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int framelen, int dtim) 2250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 225155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 225255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_mgmt *payload = frame; 225355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int payload_len; 2254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 226055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 2261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 226255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 226355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 226455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = framelen - ieee80211_hdrlen(payload->frame_control); 226555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (payload_len < 0) 226655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = 0; 226755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek else if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 226855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 226955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 227055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 2271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 227955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RTS_THRESHOLD. 2280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 228155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rts_threshold { 2282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 228455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 threshold; 2285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2287c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekstatic int 2288c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhekmwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, int rts_thresh) 2289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 229055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rts_threshold *cmd; 2291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 229755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 2298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2299c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2300c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek cmd->threshold = cpu_to_le16(rts_thresh); 2301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 230955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_SLOT. 2310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 231155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_slot { 2312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 231455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 short_slot; 2315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 231755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 2318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 231955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 2320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 232655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 2327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 232855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 232955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->short_slot = short_slot_time; 2330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 2339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 2341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 2344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 2347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 2348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 23492e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek union { 23502e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 23512e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 23522e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_max; 23532e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 23542e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 23552e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_min; 23562e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 23572e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 23582e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 23592e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 23602e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 23612e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 23622e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } ap; 23632e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 23642e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 23652e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_max; 2366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 23672e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 23682e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_min; 2369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 23702e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 23712e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 2372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 23732e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 23742e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 23752e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } sta; 23762e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek }; 2377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 2380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 2381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 2382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 2384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 2385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 2386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 238855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 238955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u16 cw_min, __u16 cw_max, 239055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 aifs, __u16 txop) 2391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 23922e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 2394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 2401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 2403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 24042e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek if (priv->ap_fw) { 24052e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1)); 24062e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1)); 24072e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.aifs = aifs; 24082e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.txq = qnum; 24092e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } else { 24102e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1); 24112e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1); 24122e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.aifs = aifs; 24132e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.txq = qnum; 24142e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } 2415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 242355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_WMM_MODE. 2424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 242555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_wmm_mode { 2426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 242755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 2428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 243055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_wmm_mode(struct ieee80211_hw *hw, bool enable) 2431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 243255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 243355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_wmm_mode *cmd; 2434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 244055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 2441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 244255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 2443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 244616cec43da50c4b4702653ca710549fd3457a4e6cLennert Buytenhek 244755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (!rc) 244855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek priv->wmm_enabled = enable; 2449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 245455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_MIMO_CONFIG. 2455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 245655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_mimo_config { 245755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 245855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 245955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 rx_antenna_map; 246055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 tx_antenna_map; 2461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 246355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 2464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 246555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 2466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 247255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 2473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 247455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 247555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->rx_antenna_map = rx; 247655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->tx_antenna_map = tx; 2477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2485b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek * CMD_USE_FIXED_RATE (STA version). 2486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2487b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_sta { 2488b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_pkt header; 2489b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 action; 2490b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 allow_rate_drop; 2491b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 num_rates; 2492b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct { 2493b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 is_ht_rate; 2494b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 enable_retry; 2495b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate; 2496b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 retry_count; 2497b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek } rate_entry[8]; 2498b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 rate_type; 2499b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved1; 2500b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek __le32 reserved2; 2501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2503b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 2504b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek#define MWL8K_UCAST_RATE 0 2505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2506b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate_sta(struct ieee80211_hw *hw) 2507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2508b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_sta *cmd; 2509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 2516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2517b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 2518b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek cmd->rate_type = cpu_to_le32(MWL8K_UCAST_RATE); 2519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 252655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 2527088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek * CMD_USE_FIXED_RATE (AP version). 2528088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek */ 2529088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstruct mwl8k_cmd_use_fixed_rate_ap { 2530088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_pkt header; 2531088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 action; 2532088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 allow_rate_drop; 2533088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 num_rates; 2534088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_rate_entry_ap { 2535088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 is_ht_rate; 2536088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 enable_retry; 2537088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 rate; 2538088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek __le32 retry_count; 2539088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek } rate_entry[4]; 2540088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate; 2541088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 multicast_rate_type; 2542088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek u8 management_rate; 2543088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek} __attribute__((packed)); 2544088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 2545088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekstatic int 2546088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhekmwl8k_cmd_use_fixed_rate_ap(struct ieee80211_hw *hw, int mcast, int mgmt) 2547088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek{ 2548088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek struct mwl8k_cmd_use_fixed_rate_ap *cmd; 2549088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek int rc; 2550088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 2551088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2552088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek if (cmd == NULL) 2553088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return -ENOMEM; 2554088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 2555088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 2556088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2557088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->action = cpu_to_le32(MWL8K_USE_AUTO_RATE); 2558088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->multicast_rate = mcast; 2559088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek cmd->management_rate = mgmt; 2560088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 2561088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2562088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek kfree(cmd); 2563088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 2564088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek return rc; 2565088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek} 2566088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek 2567088aab8b62666a002907c912cd346ae6dc9f42b7Lennert Buytenhek/* 256855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_ENABLE_SNIFFER. 256955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 257055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 257155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 257255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 257355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} __attribute__((packed)); 257455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 257555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_enable_sniffer(struct ieee80211_hw *hw, bool enable) 257655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 257755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 257855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 257955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 258055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 258155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 258255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 258355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 258455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 258555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 258655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 258755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 258855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 258955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 259055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 259155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 259255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 259355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 259455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 259555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_MAC_ADDR. 259655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 259755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_mac_addr { 259855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 259955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek union { 260055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct { 260155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mac_type; 260255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 260355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } mbss; 260455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 260555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek }; 260655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} __attribute__((packed)); 260755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 260855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_mac_addr(struct ieee80211_hw *hw, u8 *mac) 260955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 261055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 261155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_mac_addr *cmd; 261255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 261355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 261455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 261555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 261655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 261755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 261855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR); 261955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 262055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (priv->ap_fw) { 262155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mbss.mac_type = 0; 262255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN); 262355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 262455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mac_addr, mac, ETH_ALEN); 262555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 262655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 262755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 262855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 262955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 263055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 263155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 263255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 263355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 263455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 263555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 263655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 263755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 263855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 263955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mode; 264055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} __attribute__((packed)); 264155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 264255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw *hw, __u16 mode) 264355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 264455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 264555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 264655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 264755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 264855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 264955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 265055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 265155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 265255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 265355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 265455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mode = cpu_to_le16(mode); 265555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 265655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 265755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 265855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 265955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 266055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 266155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 266255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 266355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_UPDATE_STADB. 266455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 266525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct ewc_ht_info { 266625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control1; 266725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control2; 266825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control3; 266925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek} __attribute__((packed)); 267025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 267125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct peer_capability_info { 267225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Peer type - AP vs. STA. */ 267325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 peer_type; 267425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 267525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 267625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 basic_caps; 267725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 267825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 267925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_support; 268025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 268125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Valid if HT is supported. */ 268225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 ht_caps; 268325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 extended_ht_caps; 268425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek struct ewc_ht_info ewc_info; 268525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 268625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 268725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 legacy_rates[12]; 268825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 268925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 269025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_rates[16]; 269125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad[16]; 269225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 269325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 269425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 interop; 269525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad2; 269625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 station_id; 269725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 amsdu_enabled; 269825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek} __attribute__((packed)); 269925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 270055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_stadb { 270155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 270255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 270355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* See STADB_ACTION_TYPE */ 270455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 270555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 270655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer MAC address */ 270755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 270855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 270955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 reserved; 271055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 271155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer info - valid during add/update. */ 271255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct peer_capability_info peer_info; 271355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} __attribute__((packed)); 271455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 2715a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 2716a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 2717a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2718a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 2719a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 2720a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2721a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_add(struct ieee80211_hw *hw, 2722c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, 272313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta *sta) 272455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 272555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 2726a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct peer_capability_info *p; 272755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 272855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 272955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 273055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 273155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 273255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 273355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 273455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2735a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_MODIFY_ENTRY); 273613935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->peer_addr, sta->addr, ETH_ALEN); 273755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 2738a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p = &cmd->peer_info; 2739a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 2740a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->basic_caps = cpu_to_le16(vif->bss_conf.assoc_capability); 274113935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_support = sta->ht_cap.ht_supported; 274213935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_caps = sta->ht_cap.cap; 274313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->extended_ht_caps = (sta->ht_cap.ampdu_factor & 3) | 274413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 274513935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek legacy_rate_mask_to_array(p->legacy_rates, 274613935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek sta->supp_rates[IEEE80211_BAND_2GHZ]); 274713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(p->ht_rates, sta->ht_cap.mcs.rx_mask, 16); 2748a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->interop = 1; 2749a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->amsdu_enabled = 0; 2750a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2751a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2752a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek kfree(cmd); 2753a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2754a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return rc ? rc : p->station_id; 2755a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek} 2756a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2757a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_del(struct ieee80211_hw *hw, 2758a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 2759a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek{ 2760a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 2761a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 2762a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2763a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2764a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (cmd == NULL) 2765a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return -ENOMEM; 2766a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2767a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 2768a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2769a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_DEL_ENTRY); 2770bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek memcpy(cmd->peer_addr, addr, ETH_ALEN); 277155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 2772a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 277355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 277455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 277555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 277655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 277755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 2778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 2781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 2783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 2785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 2787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 2792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 2793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) 2795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_schedule(&priv->tx_reclaim_task); 2796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 2798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq_process(hw, 0, 1)) 2799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, 1); 2800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 2803618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 2804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 2805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 2808618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 280988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 2810618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 2811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 2814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 2819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 2821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 2824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->current_channel == NULL) { 2827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: dropped TX frame since radio " 2828c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "disabled\n", wiphy_name(hw->wiphy)); 2829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 2831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_xmit(hw, index, skb); 2834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 2839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2843a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 2844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 2845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 2847c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 28482ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 2849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28512ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek /* Enable tx reclaim tasklet */ 28522ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_enable(&priv->tx_reclaim_task); 28532ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 2854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 2855c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28572ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 28582ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 285955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 2860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28615e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!priv->ap_fw) { 28625e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 286355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_enable_sniffer(hw, 0); 2864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28655e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 28665e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 28675e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek 28685e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 28695e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 28705e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 28715e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek } 28722ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 28732ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 287455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_rateadapt_mode(hw, 0); 2875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28762ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 287755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 0); 2878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28792ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 28802ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 28812ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 28822ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 28832ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 28842ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 28852ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 28862ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 2887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 2892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 289655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 2897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 2899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 2901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 2903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 2905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 2906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 2907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 2908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop tx reclaim tasklet */ 2910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 2913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 29181ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support one active interface at a time. 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif != NULL) 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EBUSY; 2928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support managed interfaces for now. 2931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 29321ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg if (vif->type != NL80211_IFTYPE_STATION) 2933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2935a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 2936a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Reject interface creation if sniffer mode is active, as 2937a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * STA operation is mutually exclusive with hardware sniffer 2938a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * mode. 2939a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 2940a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 2941a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek printk(KERN_INFO "%s: unable to create STA " 2942a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek "interface due to sniffer mode being enabled\n", 2943a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek wiphy_name(hw->wiphy)); 2944a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return -EINVAL; 2945a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 2946a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2947c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek /* Set the mac address. */ 2948c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek mwl8k_cmd_set_mac_addr(hw, vif->addr); 2949c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek 2950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clean out driver private area */ 29511ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg mwl8k_vif = MWL8K_VIF(vif); 2952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 2953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set Initial sequence number to zero */ 2955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 2956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29571ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg priv->vif = vif; 2958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->current_channel = NULL; 2959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 29641ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 2965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 296855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00"); 296932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 2970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 2971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2973ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 2974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 2976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2977ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 2978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29797595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 298055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 29817595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek priv->current_channel = NULL; 2982ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 29837595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 29847595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 2985ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 2986ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2987ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 298955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 2990ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2991ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2993610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf); 2994ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2995ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2996ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 2997ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek priv->current_channel = conf->channel; 2998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 3000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 300155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level); 3002ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 3003ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 3004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 300508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (priv->ap_fw) { 300608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x7); 300708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (!rc) 300808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); 300908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } else { 301008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7); 301108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } 3012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3013ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 3014ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 3015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3016ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 3017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30193a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekstatic void mwl8k_bss_info_changed(struct ieee80211_hw *hw, 30203a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_vif *vif, 30213a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_bss_conf *info, 30223a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek u32 changed) 3023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3025c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek u32 ap_legacy_rates; 302613935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u8 ap_mcs_rates[16]; 30273a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 30283a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 3029c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (mwl8k_fw_lock(hw)) 30303a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 3031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3032c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 3033c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek * No need to capture a beacon if we're no longer associated. 3034c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 3035c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && !vif->bss_conf.assoc) 3036c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek priv->capture_beacon = false; 30373a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 3038c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 303913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek * Get the AP's legacy and MCS rates. 3040c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 3041c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap_legacy_rates = 0; 30427dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.assoc) { 3043c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_sta *ap; 3044c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rcu_read_lock(); 3045c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 3046c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); 3047c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (ap == NULL) { 3048c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 3049c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek goto out; 3050c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3051c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 3052c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap_legacy_rates = ap->supp_rates[IEEE80211_BAND_2GHZ]; 305313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(ap_mcs_rates, ap->ht_cap.mcs.rx_mask, 16); 3054c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 3055c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 3056c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3057c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 3058c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) { 305913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates); 30603a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30613a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3063b71ed2c6ce8b5c3782ed70d67dc9adbd7ed07684Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate_sta(hw); 30643a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30653a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3066c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3068c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 30697dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 30707dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek vif->bss_conf.use_short_preamble); 30713a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30723a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3073c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3075c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_SLOT) { 30767dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); 30773a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30783a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3079c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3081c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) || 3082c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT))) { 3083c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); 30843a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30853a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3086c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3088c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (vif->bss_conf.assoc && 3089c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INT))) { 3090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 3092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 3093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 30940a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(priv->capture_bssid, vif->bss_conf.bssid, ETH_ALEN); 3095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 3096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30983a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 30993a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 3100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3102e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 3103e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 3104e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 3105e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 3106e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 3107447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 3108447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * Synthesize and return a command packet that programs the 3109447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * hardware multicast address filter. At this point we don't 3110447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * know whether FIF_ALLMULTI is being requested, but if it is, 3111447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * we'll end up throwing this packet away and creating a new 3112447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * one in mwl8k_configure_filter(). 3113447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 3114447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_count, mclist); 3115e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 3116e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 3117e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 3118e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 3119a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekstatic int 3120a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekmwl8k_configure_filter_sniffer(struct ieee80211_hw *hw, 3121a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int changed_flags, 3122a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int *total_flags) 3123a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek{ 3124a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3125a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3126a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 3127a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Hardware sniffer mode is mutually exclusive with STA 3128a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * operation, so refuse to enable sniffer mode if a STA 3129a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * interface is active. 3130a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 3131a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->vif != NULL) { 3132a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (net_ratelimit()) 3133a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek printk(KERN_INFO "%s: not enabling sniffer " 3134a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek "mode because STA interface is active\n", 3135a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek wiphy_name(hw->wiphy)); 3136a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 3137a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 3138a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3139a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (!priv->sniffer_enabled) { 314055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (mwl8k_cmd_enable_sniffer(hw, 1)) 3141a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 3142a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = true; 3143a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 3144a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3145a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI | 3146a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | 3147a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_OTHER_BSS; 3148a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3149a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 1; 3150a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek} 3151a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3152e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 3153e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 3154e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 3155e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 3156e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 3157e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3158a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast; 3159a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3160a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 3161c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * AP firmware doesn't allow fine-grained control over 3162c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * the receive filter. 3163c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek */ 3164c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek if (priv->ap_fw) { 3165c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 3166c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek kfree(cmd); 3167c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek return; 3168c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek } 3169c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek 3170c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek /* 3171a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Enable hardware sniffer mode if FIF_CONTROL or 3172a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * FIF_OTHER_BSS is requested. 3173a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 3174a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) && 3175a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) { 3176a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek kfree(cmd); 3177a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return; 3178a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 3179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3180e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 3181447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 3182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 318390852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek if (mwl8k_fw_lock(hw)) { 318490852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek kfree(cmd); 3185e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 318690852f7aed0f90d443efd7e0f9b82d8ac8186848Lennert Buytenhek } 3187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3188a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 318955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_enable_sniffer(hw, 0); 3190a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 3191a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 3192a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3193e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 319477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { 319577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 319677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Disable the BSS filter. 319777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 3198e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 319977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek } else { 32000a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek const u8 *bssid; 3201a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 320277165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 320377165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Enable the BSS filter. 320477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * 320577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * If there is an active STA interface, use that 320677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * interface's BSSID, otherwise use a dummy one 320777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * (where the OUI part needs to be nonzero for 320877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * the BSSID to be accepted by POST_SCAN). 320977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 321077165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek bssid = "\x01\x00\x00\x00\x00\x00"; 3211a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek if (priv->vif != NULL) 32120a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek bssid = priv->vif->bss_conf.bssid; 3213a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 3214e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 3215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3218447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 3219447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * If FIF_ALLMULTI is being requested, throw away the command 3220447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packet that ->prepare_multicast() built and replace it with 3221447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * a command packet that enables reception of all multicast 3222447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packets. 3223447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 3224447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (*total_flags & FIF_ALLMULTI) { 3225447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 3226447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, 0, NULL); 3227447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek } 3228447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek 3229447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (cmd != NULL) { 3230447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek mwl8k_post_cmd(hw, cmd); 3231447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 3232e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 3233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3234e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 3235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3239c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek return mwl8k_cmd_set_rts_threshold(hw, value); 3240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3242bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhekstruct mwl8k_sta_notify_item 3243bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 3244bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct list_head list; 3245bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct ieee80211_vif *vif; 3246bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek enum sta_notify_cmd cmd; 324713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta sta; 3248bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek}; 3249bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3250bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhekstatic void mwl8k_sta_notify_worker(struct work_struct *work) 3251bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 3252bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = 3253bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek container_of(work, struct mwl8k_priv, sta_notify_worker); 3254a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_hw *hw = priv->hw; 3255bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3256bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_lock_bh(&priv->sta_notify_list_lock); 3257bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek while (!list_empty(&priv->sta_notify_list)) { 3258bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_sta_notify_item *s; 3259bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3260bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek s = list_entry(priv->sta_notify_list.next, 3261bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_sta_notify_item, list); 3262bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek list_del(&s->list); 3263bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3264bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_unlock_bh(&priv->sta_notify_list_lock); 3265bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3266a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (s->cmd == STA_NOTIFY_ADD) { 3267a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 3268a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 326913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_update_stadb_add(hw, s->vif, &s->sta); 3270a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (rc >= 0) { 3271a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_sta *sta; 3272a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 3273a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rcu_read_lock(); 327413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek sta = ieee80211_find_sta(s->vif, s->sta.addr); 3275a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (sta != NULL) 3276a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek MWL8K_STA(sta)->peer_id = rc; 3277a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rcu_read_unlock(); 3278a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek } 3279a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek } else { 328013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek mwl8k_cmd_update_stadb_del(hw, s->vif, s->sta.addr); 3281a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek } 3282bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3283bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek kfree(s); 3284bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3285bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_lock_bh(&priv->sta_notify_list_lock); 3286bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 3287bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_unlock_bh(&priv->sta_notify_list_lock); 3288bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 3289bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3290bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhekstatic void 3291bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhekmwl8k_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3292bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3293bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 3294bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3295bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_sta_notify_item *s; 3296bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3297bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek if (cmd != STA_NOTIFY_ADD && cmd != STA_NOTIFY_REMOVE) 3298bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek return; 3299bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3300bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek s = kmalloc(sizeof(*s), GFP_ATOMIC); 3301bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek if (s != NULL) { 3302bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek s->vif = vif; 3303bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek s->cmd = cmd; 330413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek s->sta = *sta; 3305bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3306bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_lock(&priv->sta_notify_list_lock); 3307bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek list_add_tail(&s->list, &priv->sta_notify_list); 3308bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_unlock(&priv->sta_notify_list_lock); 3309bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3310bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek ieee80211_queue_work(hw, &priv->sta_notify_worker); 3311bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 3312bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 3313bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue, 3315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 3316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 33173e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 33203e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 33213e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 33223e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 332355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 1); 3324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 33253e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) 332655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_edca_params(hw, queue, 332755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_min, 332855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_max, 332955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->aifs, 333055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->txop); 33313e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 33323e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 3333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 33343e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 3335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_tx_stats(struct ieee80211_hw *hw, 3339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats *stats) 3340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 3343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 3344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 3346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) { 3347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + index; 334845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memcpy(&stats[index], &txq->stats, 3349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_tx_queue_stats)); 3350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 3352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3353954ef509cc7d795ccd69fa2e01539297e9a003a0Lennert Buytenhek return 0; 3354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 3357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 3358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 335955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_get_stat(hw, stats); 3360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3362a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekstatic int 3363a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhekmwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3364a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek enum ieee80211_ampdu_mlme_action action, 3365a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek struct ieee80211_sta *sta, u16 tid, u16 *ssn) 3366a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek{ 3367a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek switch (action) { 3368a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_START: 3369a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek case IEEE80211_AMPDU_RX_STOP: 3370a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek if (!(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION)) 3371a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek return -ENOTSUPP; 3372a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek return 0; 3373a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek default: 3374a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek return -ENOTSUPP; 3375a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek } 3376a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek} 3377a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek 3378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 3379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 3380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 3381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 3382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 3383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 3384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 3385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 33863ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 3387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 3388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 3389bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek .sta_notify = mwl8k_sta_notify, 3390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 3391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_tx_stats = mwl8k_get_tx_stats, 3392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 3393a2292d83b5dcb7f378956a124854d2b17fa53aa3Lennert Buytenhek .ampdu_action = mwl8k_ampdu_action, 3394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_tx_reclaim_handler(unsigned long data) 3397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *) data; 3400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 3403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 0); 3405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 340688de754ad59025eba797e7a8375807755577f450Lennert Buytenhek if (priv->tx_wait != NULL && !priv->pending_tx_pkts) { 3407ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek complete(priv->tx_wait); 3408ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek priv->tx_wait = NULL; 3409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 3411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 3414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 3416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 3417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 3418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 34197dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len, 34207dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek priv->vif->bss_conf.dtim_period); 3421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 3422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 3424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3426bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvilleenum { 34279e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8363 = 0, 34289e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8687, 3429bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville MWL8366, 34306f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 34316f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 3432bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvillestatic struct mwl8k_device_info mwl8k_info_tbl[] __devinitdata = { 34339e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek [MWL8363] = { 34349e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .part_name = "88w8363", 34359e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .helper_image = "mwl8k/helper_8363.fw", 34369e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .fw_image = "mwl8k/fmimage_8363.fw", 34379e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek }, 343849eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8687] = { 3439bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8687", 3440bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8687.fw", 3441bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .fw_image = "mwl8k/fmimage_8687.fw", 3442bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 344349eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8366] = { 3444bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8366", 3445bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8366.fw", 3446bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .fw_image = "mwl8k/fmimage_8366.fw", 344789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .ap_rxd_ops = &rxd_8366_ap_ops, 3448bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 344945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 345045a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 345145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { 34529e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a0c), .driver_data = MWL8363, }, 34539e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a24), .driver_data = MWL8363, }, 3454bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, }, 3455bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, }, 3456bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, }, 3457bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { }, 345845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 345945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table); 346045a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 3461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __devinit mwl8k_probe(struct pci_dev *pdev, 3462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct pci_device_id *id) 3463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 34642aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek static int printed_version = 0; 3465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 3466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 34692aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek 34702aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek if (!printed_version) { 34712aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 34722aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printed_version = 1; 34732aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek } 3474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3475be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_enable_device(pdev); 3477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot enable new PCI device\n", 3479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 3480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_request_regions(pdev, MWL8K_NAME); 3484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 3486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 34873db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek goto err_disable_device; 3488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_master(pdev); 3491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3492be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 3494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) { 3495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 3496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ENOMEM; 3497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_reg; 3498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3500be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek SET_IEEE80211_DEV(hw, &pdev->dev); 3501be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek pci_set_drvdata(pdev, hw); 3502be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw = hw; 3505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pdev = pdev; 3506bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville priv->device_info = &mwl8k_info_tbl[id->driver_data]; 3507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 35095b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->sram = pci_iomap(pdev, 0, 0x10000); 35105b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram == NULL) { 35115b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek printk(KERN_ERR "%s: Cannot map device SRAM\n", 3512c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 35165b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek /* 35175b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek * If BAR0 is a 32 bit BAR, the register BAR will be BAR1. 35185b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek * If BAR0 is a 64 bit BAR, the register BAR will be BAR2. 35195b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek */ 35205b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->regs = pci_iomap(pdev, 1, 0x10000); 35215b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->regs == NULL) { 35225b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->regs = pci_iomap(pdev, 2, 0x10000); 35235b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->regs == NULL) { 35245b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek printk(KERN_ERR "%s: Cannot map device registers\n", 35255b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek wiphy_name(hw->wiphy)); 35265b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek goto err_iounmap; 35275b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek } 35285b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek } 35295b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 3530be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3531be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reset firmware and hardware */ 3532be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 3533be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3534be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 3535be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_request_firmware(priv); 3536be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 3537be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek printk(KERN_ERR "%s: Firmware files not found\n", 3538be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek wiphy_name(hw->wiphy)); 3539be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_stop_firmware; 3540be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 3541be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3542be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Load firmware into hardware */ 3543be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_load_firmware(hw); 3544be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 3545be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek printk(KERN_ERR "%s: Cannot start firmware\n", 3546be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek wiphy_name(hw->wiphy)); 3547be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_stop_firmware; 3548be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 3549be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3550be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 3551be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 3552be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3553be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 355491942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->ap_fw) { 355589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = priv->device_info->ap_rxd_ops; 355691942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->rxd_ops == NULL) { 355791942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek printk(KERN_ERR "%s: Driver does not have AP " 355891942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek "firmware image support for this hardware\n", 355991942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek wiphy_name(hw->wiphy)); 356091942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek goto err_stop_firmware; 356191942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 356291942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } else { 356389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = &rxd_sta_ops; 356491942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 3565be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3566be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->sniffer_enabled = false; 3567be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->wmm_enabled = false; 3568be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->pending_tx_pkts = 0; 3569be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3570be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels)); 3572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.band = IEEE80211_BAND_2GHZ; 3573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.channels = priv->channels; 3574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_channels = ARRAY_SIZE(mwl8k_channels); 3575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.bitrates = priv->rates; 3576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_bitrates = ARRAY_SIZE(mwl8k_rates); 3577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; 3578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates) != sizeof(mwl8k_rates)); 3580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->rates, mwl8k_rates, sizeof(mwl8k_rates)); 3581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Extra headroom is the size of the required DMA header 3584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * minus the size of the smallest 802.11 frame (CTS frame). 3585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->extra_tx_headroom = 3587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 3588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->channel_change_time = 10; 3590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->queues = MWL8K_TX_QUEUES; 3592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set rssi and noise values to dBm */ 3594ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; 3595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->vif_data_size = sizeof(struct mwl8k_vif); 3596a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek hw->sta_data_size = sizeof(struct mwl8k_sta); 3597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 3598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set default radio state and preamble */ 3600c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = 0; 360168ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = 0; 3602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3603bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek /* Station database handling */ 3604bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek INIT_WORK(&priv->sta_notify_worker, mwl8k_sta_notify_worker); 3605bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_lock_init(&priv->sta_notify_list_lock); 3606bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek INIT_LIST_HEAD(&priv->sta_notify_list); 3607bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Finalize join worker */ 3609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 3610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX reclaim tasklet */ 3612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_init(&priv->tx_reclaim_task, 3613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_reclaim_handler, (unsigned long)hw); 3614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 3615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Power management cookie */ 3617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 3618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie == NULL) 3619be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_stop_firmware; 3620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 3622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3623be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_cookie; 3624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 3625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3626618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_init(&priv->fw_mutex); 3627618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 3628618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth = 0; 3629618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 3630618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 3631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_init(&priv->tx_lock); 3632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 363388de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->tx_wait = NULL; 363488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 3635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) { 3636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_init(hw, i); 3637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 3642c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 3644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3646a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 3647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 3648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 3650c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 3656c2c2b12a8b6cd23d4abbc086642647c656bf406cLennert Buytenhek * commands use interrupts and avoid polling. Disable 3657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 3658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3659c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 366242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (priv->ap_fw) { 366342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_ap(hw); 366442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) 366542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_set_hw_spec(hw); 366642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } else { 366742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_sta(hw); 366889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek 366989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 367042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 3671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3672c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot initialise firmware\n", 3673c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3674be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 3675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 367855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_disable(hw); 3679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3680c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot disable\n", wiphy_name(hw->wiphy)); 3681be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 3682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 368432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Clear MAC address */ 368555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00"); 368632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (rc) { 368732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek printk(KERN_ERR "%s: Cannot clear MAC address\n", 368832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek wiphy_name(hw->wiphy)); 3689be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 369032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek } 369132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 3692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 3693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = ieee80211_register_hw(hw); 3697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3698c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot register device\n", 3699c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3700153458ff7ed5949cd5b07a2355a34aad9891ad98Lennert Buytenhek goto err_free_queues; 3701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3703eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek printk(KERN_INFO "%s: %s v%d, %pM, %s firmware %u.%u.%u.%u\n", 3704a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek wiphy_name(hw->wiphy), priv->device_info->part_name, 370545a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek priv->hw_rev, hw->wiphy->perm_addr, 3706eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw ? "AP" : "STA", 37072aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 37082aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 3709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 3711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 3713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 3717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3721be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_free_cookie: 3722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 3723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 3724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 3725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3726be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_stop_firmware: 3727be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 3728be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 3729be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3730be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_iounmap: 3731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 3732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 37345b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram != NULL) 37355b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 37365b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 3737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 3741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 37423db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek 37433db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhekerr_disable_device: 3744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3749230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_shutdown(struct pci_dev *pdev) 3750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); 3752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3754230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_remove(struct pci_dev *pdev) 3755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 3757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 3761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 3765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 376660aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 376760aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 3768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Remove tx reclaim tasklet */ 3769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_kill(&priv->tx_reclaim_task); 3770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 3772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 3775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 3777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3783c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 3784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 37865b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 3787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 3794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 379545a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .id_table = mwl8k_pci_id_table, 3796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 3797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove = __devexit_p(mwl8k_remove), 3798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .shutdown = __devexit_p(mwl8k_shutdown), 3799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __init mwl8k_init(void) 3802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return pci_register_driver(&mwl8k_driver); 3804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void __exit mwl8k_exit(void) 3807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unregister_driver(&mwl8k_driver); 3809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_init(mwl8k_init); 3812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_exit(mwl8k_exit); 3813c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 3814c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 3815c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 3816c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 3817c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 3818