mwl8k.c revision 788838ebe8a4caca93a91982c7bbf393edf24c08
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 29a145d575833ff47330125364cb49304db7308825Lennert Buytenhek#define MWL8K_VERSION "0.10" 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 8345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstruct mwl8k_device_info { 84a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *part_name; 85a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *helper_image; 86a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *fw_image; 8745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 8845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 89a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 9045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int rxd_count; 91a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 92a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 9345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 94a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 95a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 9645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 97a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 9845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct mwl8k_rx_desc *rxd; 9945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t rxd_dma; 100788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct { 101788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct sk_buff *skb; 102788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek DECLARE_PCI_UNMAP_ADDR(dma) 103788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek } *buf; 104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 10845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 11145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct ieee80211_tx_queue_stats stats; 11445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct mwl8k_tx_desc *txd; 11545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t txd_dma; 11645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct sk_buff **skb; 117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Pointers to the firmware data and meta information about it. */ 120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_firmware { 121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Boot helper code */ 122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct firmware *helper; 123a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek 124a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek /* Microcode */ 125a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct firmware *ucode; 126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 1295b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek void __iomem *sram; 130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs; 131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 13545a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek struct mwl8k_device_info *device_info; 136eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek bool ap_fw; 13745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* firmware files and meta data */ 139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_firmware fw; 140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 141618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek /* firmware access */ 142618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mutex fw_mutex; 143618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct task_struct *fw_mutex_owner; 144618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 145618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 146618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15088de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 15188de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 15288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif; 154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *current_channel; 156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 1632aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue txq[MWL8K_TX_QUEUES]; 173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* PHY parameters */ 175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_supported_band band; 176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel channels[14]; 1775dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek struct ieee80211_rate rates[13]; 178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 179c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 18068ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 181a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek bool sniffer_enabled; 1820439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 186d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Tasklet to reclaim TX descriptors and buffers after tx */ 198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct tasklet_struct tx_reclaim_task; 199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* backpointer to parent config block */ 204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* BSS config of AP or IBSS from mac80211*/ 207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf bss_info; 208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* BSSID of AP or IBSS */ 210d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 bssid[ETH_ALEN]; 211d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 mac_addr[ETH_ALEN]; 212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Subset of supported legacy rates. 215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Intersection of AP and STA supported rates. 216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2175dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek struct ieee80211_rate legacy_rates[13]; 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* number of supported legacy rates */ 220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 legacy_nrates; 221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Index into station database.Returned by update_sta_db call */ 223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 peer_id; 224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Non AMPDU sequence number assigned by driver */ 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno; 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 229a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels[] = { 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates[] = { 246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 2495dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 2505dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 220, .hw_value = 44, }, 251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET 0x0001 263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 270ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 271ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 274ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 275ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 276ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 277ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 278ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 280ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 281ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 283ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 28532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek#define MWL8K_CMD_SET_MAC_ADDR 0x0202 286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 287ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize) 290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 295ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek switch (cmd & ~0x8000) { 296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 305ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 306ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 307ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 308ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 310ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 311ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 313ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 31532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek MWL8K_CMDNAME(SET_MAC_ADDR); 316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 317ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_fw(struct firmware **fw) 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.ucode); 348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.helper); 349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 353c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek const char *fname, struct firmware **fw) 354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return request_firmware((const struct firmware **)fw, 360c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek fname, &priv->pdev->dev); 361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 36345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic int mwl8k_request_firmware(struct mwl8k_priv *priv) 364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 365a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 368a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (di->helper_image != NULL) { 369a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek rc = mwl8k_request_fw(priv, di->helper_image, &priv->fw.helper); 370a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (rc) { 371a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek printk(KERN_ERR "%s: Error requesting helper " 372a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek "firmware file %s\n", pci_name(priv->pdev), 373a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek di->helper_image); 374a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek return rc; 375a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek } 376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 378a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek rc = mwl8k_request_fw(priv, di->fw_image, &priv->fw.ucode); 379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 380c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 381a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek pci_name(priv->pdev), di->fw_image); 382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.helper); 383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 seq_num; 393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4283d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek cond_resched(); 429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 434d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 537c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 539c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 540c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct firmware *fw = priv->fw.ucode; 541eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 542c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 543c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 544c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 545c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) { 546c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct firmware *helper = priv->fw.helper; 547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 548c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 549c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 550c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 551c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 552c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 554c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 557c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(1); 561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 562c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 564c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 568c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 569c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 573eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (di->modes & BIT(NL80211_IFTYPE_AP)) 574eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek iowrite32(MWL8K_MODE_AP, priv->regs + MWL8K_HIU_GEN_PTR); 575eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek else 576eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(1); 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 200000; 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 581eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek u32 ready_code; 582eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 583eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE); 584eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (ready_code == MWL8K_FWAP_READY) { 585eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw = 1; 586eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek break; 587eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } else if (ready_code == MWL8K_FWSTA_READY) { 588eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw = 0; 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 590eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } 591eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 592eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek cond_resched(); 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Defines shared between transmission and reception. 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* HT control fields for firmware */ 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct ewc_ht_info { 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control1; 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control2; 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control3; 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware Station database operations */ 611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_ADD_ENTRY 0 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_FLUSH 3 615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 6195dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek#define MWL8K_IEEE_LEGACY_DATA_RATES 13 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_MCS_BITMAP_SIZE 16 621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct peer_capability_info { 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer type - AP vs. STA. */ 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_type; 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 basic_caps; 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 ht_support; 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Valid if HT is supported. */ 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 ht_caps; 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 extended_ht_caps; 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ewc_ht_info ewc_info; 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 legacy_rates[MWL8K_IEEE_LEGACY_DATA_RATES]; 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 ht_rates[MWL8K_MCS_BITMAP_SIZE]; 642c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek __u8 pad[16]; 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 interop; 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2; 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 station_id; 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 amsdu_enabled; 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Inline functions to manipulate QoS field in data descriptor. */ 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_eosp(u16 qos) 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 1 << 4; 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* End of Service Period Bit 4 */ 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return qos | val_mask; 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_ack(u16 qos, u8 ack_policy) 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0x3; 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 shift = 5; 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~(val_mask << shift); 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Ack Policy Bit 5-6 */ 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | ((ack_policy & val_mask) << shift); 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_amsdu(u16 qos) 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 1 << 7; 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* AMSDU present Bit 7 */ 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return qos | val_mask; 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_qlen(u16 qos, u8 len) 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0xff; 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 shift = 8; 682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~(val_mask << shift); 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Queue Length Bits 8-15 */ 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | ((len & val_mask) << shift); 686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 69576266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb) 696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 69776266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek struct mwl8k_dma_data *tr = (struct mwl8k_dma_data *)skb->data; 698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void *dst, *src = &tr->wh; 69976266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek int hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 space = sizeof(struct mwl8k_dma_data) - hdrlen; 701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst = (void *)tr + space; 703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (dst != src) { 704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(dst, src, hdrlen); 705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_pull(skb, space); 706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 70976266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhekstatic inline void mwl8k_add_dma_header(struct sk_buff *skb) 710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 hdrlen, pktlen; 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pktlen = skb->len; 718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Copy up/down the 802.11 header; the firmware requires 721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * we present a 2-byte payload length followed by a 722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 4-address header (w/o QoS), followed (optionally) by 723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * any WEP/ExtIV header (but only filled in for CCMP). 724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hdrlen != sizeof(struct mwl8k_dma_data)) 726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_push(skb, sizeof(struct mwl8k_dma_data) - hdrlen); 727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clear addr4 */ 733d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(tr->wh.addr4, 0, ETH_ALEN); 734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr->fwlen = cpu_to_le16(pktlen - hdrlen); 741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet reception. 746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_CTRL_OWNED_BY_HOST 0x02 748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_desc { 750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 75445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_rxd_phys_addr; 755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 7695dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek#define RATE_INFO_SHORTPRE 0x8000 7705dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek#define RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) 7715dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek#define RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) 7725dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek#define RATE_INFO_40MHZ 0x0004 7735dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek#define RATE_INFO_SHORTGI 0x0002 7745dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek#define RATE_INFO_MCS_FORMAT 0x0001 7755dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek 776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 78345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count = 0; 78445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = 0; 78545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = 0; 786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc); 788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 78945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma); 79045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (rxq->rxd == NULL) { 791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX descriptors\n", 792c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 79545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(rxq->rxd, 0, size); 796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 797788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->buf), GFP_KERNEL); 798788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf == NULL) { 799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX skbuff list\n", 800c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 80145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma); 802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 804788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek memset(rxq->buf, 0, MWL8K_RX_DESCS * sizeof(*rxq->buf)); 805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc; 808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 81045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rx_desc = rxq->rxd + i; 811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_RX_DESCS; 812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 81345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rx_desc->next_rxd_phys_addr = 81445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(rxq->rxd_dma + nexti * sizeof(*rx_desc)); 815c491bf1205485c83086bf4f2f26ca6598d48133aRami Rosen rx_desc->rx_ctrl = MWL8K_RX_CTRL_OWNED_BY_HOST; 816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 82845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) { 829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 830788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek dma_addr_t addr; 831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 83745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count++; 838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 83945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rx = rxq->tail; 84045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = (rx + 1) % MWL8K_RX_DESCS; 841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 842788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek addr = pci_map_single(priv->pdev, skb->data, 843788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE); 844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 84545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd[rx].pkt_len = cpu_to_le16(MWL8K_RX_MAXSZ); 846788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->rxd[rx].pkt_phys_addr = cpu_to_le32(addr); 847788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rx].skb = skb; 848788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[rx], dma, addr); 849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 85045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd[rx].rx_ctrl = 0; 851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 866788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf[i].skb != NULL) { 867788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 868788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr(&rxq->buf[i], dma), 869788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 870788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[i], dma, 0); 871788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 872788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree_skb(rxq->buf[i].skb); 873788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[i].skb = NULL; 874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 877788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree(rxq->buf); 878788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = NULL; 879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc), 88245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd, rxq->rxd_dma); 88345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = NULL; 884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !compare_ether_addr(wh->addr3, priv->capture_bssid); 897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 8993779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 9003779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 9023779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 9033779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek 904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 905d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 9143779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 92445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count && limit--) { 925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc; 926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 9295dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek u16 rate_info; 930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 93145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rx_desc = rxq->rxd + rxq->head; 932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST)) 933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rmb(); 935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 936788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek skb = rxq->buf[rxq->head].skb; 937d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 938d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 939788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rxq->head].skb = NULL; 940788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 941788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 942788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr(&rxq->buf[rxq->head], dma), 943788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 944788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[rxq->head], dma, 0); 945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 94645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = (rxq->head + 1) % MWL8K_RX_DESCS; 94745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count--; 948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_put(skb, le16_to_cpu(rx_desc->pkt_len)); 95076266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_remove_dma_header(skb); 951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 955c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 956c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 957c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_capture_bssid(priv, wh)) 9603779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 9625dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek rate_info = le16_to_cpu(rx_desc->rate_info); 9635dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek 964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&status, 0, sizeof(status)); 965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.mactime = 0; 966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.signal = -rx_desc->rssi; 967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.noise = -rx_desc->noise_level; 968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.qual = rx_desc->link_quality; 9695dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek status.antenna = RATE_INFO_ANTSELECT(rate_info); 9705dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek status.rate_idx = RATE_INFO_RATEID(rate_info); 971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.flag = 0; 9725dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek if (rate_info & RATE_INFO_SHORTPRE) 9735dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek status.flag |= RX_FLAG_SHORTPRE; 9745dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek if (rate_info & RATE_INFO_40MHZ) 9755dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek status.flag |= RX_FLAG_40MHZ; 9765dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek if (rate_info & RATE_INFO_SHORTGI) 9775dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek status.flag |= RX_FLAG_SHORT_GI; 9785dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek if (rate_info & RATE_INFO_MCS_FORMAT) 9795dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek status.flag |= RX_FLAG_HT; 980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.band = IEEE80211_BAND_2GHZ; 981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.freq = ieee80211_channel_to_frequency(rx_desc->channel); 982f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 983f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Transmit packet ACK policy */ 997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_NORMAL 0 998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_BLOCKACK 3 999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1013d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 101445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_txd_phys_addr; 1015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 1016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_frag_cnt; 1019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 103045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(&txq->stats, 0, sizeof(struct ieee80211_tx_queue_stats)); 103145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.limit = MWL8K_TX_DESCS; 103245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = 0; 103345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 1034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 103745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma); 103845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->txd == NULL) { 1039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX descriptors\n", 1040c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 1041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 104345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->txd, 0, size); 1044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 104545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->skb), GFP_KERNEL); 104645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->skb == NULL) { 1047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX skbuff list\n", 1048c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 104945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); 1050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 105245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->skb, 0, MWL8K_TX_DESCS * sizeof(*txq->skb)); 1053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 105845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + i; 1059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 106245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc->next_txd_phys_addr = 106345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc)); 1064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_txq_info { 1079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 fw_owned; 1080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 drv_owned; 1081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 unused; 1082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 len; 1083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 head; 1084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 tail; 1085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_scan_tx_ring(struct mwl8k_priv *priv, 1088c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek struct mwl8k_txq_info *txinfo) 1089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count, desc, status; 1091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int ndescs = 0; 1094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1095c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek memset(txinfo, 0, MWL8K_TX_QUEUES * sizeof(struct mwl8k_txq_info)); 1096c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek 1097c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek for (count = 0; count < MWL8K_TX_QUEUES; count++) { 1098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + count; 109945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txinfo[count].len = txq->stats.len; 110045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txinfo[count].head = txq->head; 110145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txinfo[count].tail = txq->tail; 1102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 110345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + desc; 1104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 1107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].fw_owned++; 1108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].drv_owned++; 1110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 1112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].unused++; 1113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return ndescs; 1117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1119618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 112088de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1121618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 1122950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 112588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 1126ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek u32 count; 1127ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek unsigned long timeout; 1128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 113288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek count = priv->pending_tx_pkts; 113388de754ad59025eba797e7a8375807755577f450Lennert Buytenhek if (count) 113488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->tx_wait = &tx_wait; 1135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (count) { 1138c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek struct mwl8k_txq_info txinfo[MWL8K_TX_QUEUES]; 1139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 1140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int newcount; 1141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 114288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 1143618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek msecs_to_jiffies(5000)); 1144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (timeout) 1145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 1148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 114988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek newcount = priv->pending_tx_pkts; 115088de754ad59025eba797e7a8375807755577f450Lennert Buytenhek mwl8k_scan_tx_ring(priv, txinfo); 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1153618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek printk(KERN_ERR "%s(%u) TIMEDOUT:5000ms Pend:%u-->%u\n", 1154950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek __func__, __LINE__, count, newcount); 1155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1156c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) 1157c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "TXQ:%u L:%u H:%u T:%u FW:%u " 1158c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "DRV:%u U:%u\n", 1159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek index, 1160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].len, 1161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].head, 1162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].tail, 1163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].fw_owned, 1164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].drv_owned, 1165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].unused); 1166ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ETIMEDOUT; 1168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1173c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1174c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1175c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1176c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) 1179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int wake = 0; 1183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 118445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (txq->stats.len > 0) { 1185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1188ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 119345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->head; 119445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + tx; 1195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 120545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = (tx + 1) % MWL8K_TX_DESCS; 120645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->stats.len == 0); 120745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.len--; 1208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1211ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 121245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek skb = txq->skb[tx]; 121345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[tx] = NULL; 1214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 121876266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_remove_dma_header(skb); 1219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 1226ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1231618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek wake = 1; 1232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1234618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (wake && priv->radio_on && !mutex_is_locked(&priv->fw_mutex)) 1235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_wake_queue(hw, index); 1236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, index, 1); 1245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 124645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek kfree(txq->skb); 124745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = NULL; 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 125145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd, txq->txd_dma); 125245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = NULL; 1253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb) 1257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 126023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 1261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 126523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 126623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 126723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 126923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 127023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 127123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 127223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 127323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 127576266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_add_dma_header(skb); 127623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 1279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno = mwl8k_vif->seqno; 128323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl |= cpu_to_le16(seqno << 4); 1286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = seqno++ % 4096; 1287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 128923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 129023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 129123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 129223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 129323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 129423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 129523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_eosp(qos); 129623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Set Queue size to unspecified */ 129723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_qlen(qos, 0xff); 129823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 129923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 130023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 130123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 130223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 130323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Send pkt in an aggregate if AMPDU frame. */ 130423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 130523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_ack(qos, 130623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek MWL8K_TXD_ACK_POLICY_BLOCKACK); 130723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 130823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_ack(qos, 130923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek MWL8K_TXD_ACK_POLICY_NORMAL); 131023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 131123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (qos & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT) 131223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_amsdu(qos); 131323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 1316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 1317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 1319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: failed to dma map skb, " 1320c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "dropping TX frame.\n", wiphy_name(hw->wiphy)); 132123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 1322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 132523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 1326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 132723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 1328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 132945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->skb[txq->tail] != NULL); 133045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[txq->tail] = skb; 1331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 133245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->txd + txq->tail; 133323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 133423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->tx_priority = index; 1335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 1336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 1337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 133823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 133923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->peer_id = mwl8k_vif->peer_id; 1340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 134123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 134223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 134345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.count++; 134445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.len++; 1345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 1346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 134745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail++; 134845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->tail == MWL8K_TX_DESCS) 134945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 135023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 135145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->head == txq->tail) 1352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queue(hw, index); 1353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 135423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 1355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1363618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 1364618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 1365618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 1366618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 1367618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 1368618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 1369618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 1370618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 1371618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 1372618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 1373618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 1374618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 1375618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 1376618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 1377618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 1378618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 1379618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 1380618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1381618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1382618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 1383618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 1384618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1385618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 1386618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 1387618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1388618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 1389618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 1390618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 1391618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 1392618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1393618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 1394618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1395618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1396618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 1397618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1398618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1399618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 1400618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1401618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 1402618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 1403618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1404618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 1405618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 1406618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1407618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1408618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 1409618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 1410618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 1411618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 1412618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1413618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 1414618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1415618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1416618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 1417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 1418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Timeout firmware commands after 2000ms */ 1421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 2000 1422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 1428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 1429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 1430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 1432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 1433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1434c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek cmd->result = 0xffff; 1435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 1436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 1437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 1439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1441618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 144239a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek if (rc) { 144339a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 144439a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1445618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 144639a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek } 1447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 1449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 1450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 1451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 1456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 1457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1458618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 1459618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1460618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 1461618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 146237055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 146337055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 146437055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 1465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 1466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s timeout after %u ms\n", 1467c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy), 1468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 1469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMD_TIMEOUT_MS); 1470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 1471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 1472ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 1473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 1474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s error 0x%x\n", 1475c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy), 1476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 147776c962a204f8d36b762440aa941fcea3d44e2fd2Lennert Buytenhek le16_to_cpu(cmd->result)); 1478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * GET_HW_SPEC. 1485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_get_hw_spec { 1487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 1489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 1491d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 1492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 1494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 1495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 1496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 1497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 1498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 1499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 tx_queue_ptrs[MWL8K_TX_QUEUES]; 1500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 1501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 150245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 total_rxd; 1503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw) 1506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_get_hw_spec *cmd; 1509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 1517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 1520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 152145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 15224ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES); 1523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 152445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 15254ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 152645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 1527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 1532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 15334ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 1534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 1535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 1543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 1545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 1548ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 1549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1551d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 1552d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 1553d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 1554d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 1555ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1556e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 1557447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti, 1558e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 1559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1560e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 1562e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 1563e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1564447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (allmulti || mc_count > priv->num_mcaddrs) { 1565d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 1566d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 1567d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 1568e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1569e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 1570ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1571e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 1572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1573e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 1574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 1576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 1577d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 1578d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 1579d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 1580d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 1581d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 1582d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 1583d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek int i; 1584d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 1585d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 1586d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 1587d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek for (i = 0; i < mc_count && mclist; i++) { 1588d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (mclist->da_addrlen != ETH_ALEN) { 1589d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek kfree(cmd); 1590d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek return NULL; 1591d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 1592d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN); 1593d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mclist = mclist->next; 1594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1597e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 1598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_GET_STAT. 1602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_get_stat { 1604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 1606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 1609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 1610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 1611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 1612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw *hw, 1614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 1615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_get_stat *cmd; 1617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 1624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 1629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 1630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 1631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 1632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 1633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 1634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 1635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 1636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_RADIO_CONTROL. 1644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_radio_control { 1646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 1649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 1650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1652c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 1653c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekmwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 1654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_radio_control *cmd; 1657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1659c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 1660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 1667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 166968ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 1670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 1671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 1676c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 1677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1681c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int mwl8k_cmd_802_11_radio_disable(struct ieee80211_hw *hw) 1682c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 1683c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 0, 0); 1684c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1685c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 1686c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int mwl8k_cmd_802_11_radio_enable(struct ieee80211_hw *hw) 1687c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 1688c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 1, 0); 1689c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1690c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 1691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 1693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 1695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL || hw->priv == NULL) 1697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 1698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 1699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 170068ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 1701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1702c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 1, 1); 1703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_RF_TX_POWER. 1707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_POWER_LEVEL_TOTAL 8 1709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_rf_tx_power { 1711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 1714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 1715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 1716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 1717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw *hw, int dBm) 1720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_rf_tx_power *cmd; 1722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 1729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 1732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 1741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 1743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 1747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 1749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 1756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 1766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 1768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 1770d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 1771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1774ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 *mac) 1775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 1777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 1784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 1786d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 1787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 1796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 1798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 1801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 1802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 1805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *channel) 1806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 1808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 1815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 1818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 1819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->channel_flags = cpu_to_le32(0x00000081); 1820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->channel_flags = cpu_to_le32(0x00000000); 1822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_SLOT. 1831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_slot { 1833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 short_slot; 1836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 18385539bb51295f2c9300a6e467a29bb62bcfe9f4bcLennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 1839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 1841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 1848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 18505539bb51295f2c9300a6e467a29bb62bcfe9f4bcLennert Buytenhek cmd->short_slot = short_slot_time; 1851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MIMO_CONFIG. 1860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mimo_config { 1862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 1864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_antenna_map; 1865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_antenna_map; 1866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 1869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 1871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 1878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 1880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rx_antenna_map = rx; 1881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->tx_antenna_map = tx; 1882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_ENABLE_SNIFFER. 1891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 1893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 1895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable) 1898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 1900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 1907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1908ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 1909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 191732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek * CMD_SET_MAC_ADDR. 191832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek */ 191932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhekstruct mwl8k_cmd_set_mac_addr { 192032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek struct mwl8k_cmd_pkt header; 192132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek __u8 mac_addr[ETH_ALEN]; 192232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} __attribute__((packed)); 192332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 192432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhekstatic int mwl8k_set_mac_addr(struct ieee80211_hw *hw, u8 *mac) 192532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek{ 192632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek struct mwl8k_cmd_set_mac_addr *cmd; 192732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek int rc; 192832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 192932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 193032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (cmd == NULL) 193132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return -ENOMEM; 193232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 193332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR); 193432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 193532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek memcpy(cmd->mac_addr, mac, ETH_ALEN); 193632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 193732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 193832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek kfree(cmd); 193932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 194032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return rc; 194132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} 194232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 194332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 194432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek/* 1945ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 1946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 1948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 mode; 1951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_setrateadaptmode(struct ieee80211_hw *hw, __u16 mode) 1954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 1956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 1963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->mode = cpu_to_le16(mode); 1966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_WMM_MODE. 1975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_wmm { 1977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_wmm(struct ieee80211_hw *hw, bool enable) 1982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_wmm *cmd; 1985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 1992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 19930439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 1994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 19990439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek priv->wmm_enabled = enable; 2000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RTS_THRESHOLD. 2006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_rts_threshold { 2008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 threshold; 2011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rts_threshold(struct ieee80211_hw *hw, 2014733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek u16 action, u16 threshold) 2015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_rts_threshold *cmd; 2017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 2024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(action); 2026733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek cmd->threshold = cpu_to_le16(threshold); 2027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 2036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 2038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 2041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 2044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 2045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Log exponent of max contention period: 0...15*/ 2047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 log_cw_max; 2048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Log exponent of min contention period: 0...15 */ 2050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 log_cw_min; 2051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 2053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 aifs; 2054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX queue to configure */ 2056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 txq; 2057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 2060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 2061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 2062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 2064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 2065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 2066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 2069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u16 cw_min, __u16 cw_max, 2070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 aifs, __u16 txop) 2071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 2073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 207922995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek /* 208022995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek * Queues 0 (BE) and 1 (BK) are swapped in hardware for 208122995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek * this call. 208222995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek */ 208322995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek qnum ^= !(qnum >> 1); 208422995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek 2085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 2086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 2088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 2089ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->log_cw_max = (u8)ilog2(cw_max + 1); 2090ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->log_cw_min = (u8)ilog2(cw_min + 1); 2091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->aifs = aifs; 2092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txq = qnum; 2093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_FINALIZE_JOIN. 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* FJ beacon buffer size is compiled into the firmware. */ 2105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 2106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_finalize_join { 2108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 2110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 2111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame, 2114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u16 framelen, __u16 dtim) 2115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 2117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_mgmt *payload = frame; 2118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 hdrlen; 2119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 payload_len; 2120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (frame == NULL) 2123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 2130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2131ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 2132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(payload->frame_control); 2134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek payload_len = framelen > hdrlen ? framelen - hdrlen : 0; 2136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX TBD Might just have to abort and return an error */ 2138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 2139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s(): WARNING: Incomplete beacon " 2140c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "sent to firmware. Sz=%u MAX=%u\n", __func__, 2141c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek payload_len, MWL8K_FJ_BEACON_MAXLEN); 2142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2143ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 2144ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 2145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (payload && payload_len) 2147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 2148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_UPDATE_STADB. 2156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_sta_db { 2158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See STADB_ACTION_TYPE */ 2161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer MAC address */ 2164d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 2165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 2167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer info - valid during add/update. */ 2169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct peer_capability_info peer_info; 2170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw, 2173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif, __u32 action) 2174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = &mv_vif->bss_info; 2177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_sta_db *cmd; 2178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct peer_capability_info *peer_info; 2179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 count, *rates; 2182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 2188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info = &cmd->peer_info; 2192d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->peer_addr, mv_vif->bssid, ETH_ALEN); 2193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek switch (action) { 2195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_ADD_ENTRY: 2196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_MODIFY_ENTRY: 2197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Build peer_info block */ 2198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 2199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->basic_caps = cpu_to_le16(info->assoc_capability); 2200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->interop = 1; 2201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->amsdu_enabled = 0; 2202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rates = peer_info->legacy_rates; 2204ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rates[count] = bitrates[count].hw_value; 2206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == 0) 2209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif->peer_id = peer_info->station_id; 2210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_DEL_ENTRY: 2214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_FLUSH: 2215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 2216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == 0) 2218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif->peer_id = 0; 2219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_AID. 2228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_INDEX_MAX_ARRAY 14 2230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 2232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 2233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 2234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 2235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_set_aid { 2237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 aid; 2239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* AP's MAC address (BSSID) */ 2241d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 2242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 protection_mode; 2243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 supp_rates[MWL8K_RATE_INDEX_MAX_ARRAY]; 2244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_aid(struct ieee80211_hw *hw, 2247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif) 2248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = &mv_vif->bss_info; 2251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 2252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 prot_mode; 2255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 2262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->aid = cpu_to_le16(info->aid); 2264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2265d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mv_vif->bssid, ETH_ALEN); 2266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (info->use_cts_prot) { 2268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 2269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 22709ed6bcce77f75d98af6ee07069deac6041948beeJohannes Berg switch (info->ht_operation_mode & 2271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 2272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 2273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 2274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 2276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 2277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 2279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 2280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 2284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->supp_rates[count] = bitrates[count].hw_value; 2287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RATE. 2296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_rateset { 2298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 legacy_rates[MWL8K_RATE_INDEX_MAX_ARRAY]; 2300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Bitmap for supported MCS codes. */ 2302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_set[MWL8K_IEEE_LEGACY_DATA_RATES]; 2303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 reserved[MWL8K_IEEE_LEGACY_DATA_RATES]; 2304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_update_rateset(struct ieee80211_hw *hw, 2307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif) 2308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_rateset *cmd; 2311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 2320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->legacy_rates[count] = bitrates[count].hw_value; 2324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_USE_FIXED_RATE. 2333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_TABLE_SIZE 8 2335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_UCAST_RATE 0 2336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 2337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_entry { 2339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 if HT rate, 0 if legacy. */ 2340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 is_ht_rate; 2341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 to use retry_count field. */ 2343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 enable_retry; 2344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Specified legacy rate or MCS. */ 2346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate; 2347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Number of allowed retries. */ 2349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 retry_count; 2350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_table { 2353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1 to allow specified rate and below */ 2354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 allow_rate_drop; 2355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_rates; 2356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry rate_entry[MWL8K_RATE_TABLE_SIZE]; 2357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_use_fixed_rate { 2360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_table rate_table; 2363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Unicast, Broadcast or Multicast */ 2365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate_type; 2366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved1; 2367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved2; 2368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw, 2371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 action, u32 rate_type, struct mwl8k_rate_table *rate_table) 2372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_use_fixed_rate *cmd; 2374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 2382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_type = cpu_to_le32(rate_type); 2386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rate_table != NULL) { 2388c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek /* 2389c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Copy over each field manually so that endian 2390c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * conversion can be done. 2391c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek */ 2392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.allow_rate_drop = 2393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->allow_rate_drop); 2394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.num_rates = 2395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->num_rates); 2396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < rate_table->num_rates; count++) { 2398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *dst = 2399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &cmd->rate_table.rate_entry[count]; 2400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *src = 2401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &rate_table->rate_entry[count]; 2402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->is_ht_rate = cpu_to_le32(src->is_ht_rate); 2404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->enable_retry = cpu_to_le32(src->enable_retry); 2405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->rate = cpu_to_le32(src->rate); 2406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->retry_count = cpu_to_le32(src->retry_count); 2407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 2419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 2421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 2423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 2425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 2430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 2431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) 2433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_schedule(&priv->tx_reclaim_task); 2434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 2436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq_process(hw, 0, 1)) 2437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, 1); 2438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 2441618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 2442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 2443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 2446618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 244788de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 2448618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 2449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 2452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 2457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 2459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 2462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->current_channel == NULL) { 2465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: dropped TX frame since radio " 2466c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "disabled\n", wiphy_name(hw->wiphy)); 2467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 2469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_xmit(hw, index, skb); 2472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 2477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = request_irq(priv->pdev->irq, &mwl8k_interrupt, 2482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 2483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 2485c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 24862ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 2487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24892ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek /* Enable tx reclaim tasklet */ 24902ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_enable(&priv->tx_reclaim_task); 24912ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 2492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 2493c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24952ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 24962ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 24972ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_802_11_radio_enable(hw); 2498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24992ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25002ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 2501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25022ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25032ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 25042ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 25052ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 25062ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25072ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_setrateadaptmode(hw, 0); 2508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25092ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25102ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_set_wmm(hw, 0); 2511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25122ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25132ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_enable_sniffer(hw, 0); 2514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25152ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 25162ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 25172ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 25182ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 25192ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 25202ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 25212ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 25222ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 2523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 2528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2532d3cea0b85a31a98630c6fcf7373d486db9612a10Lennert Buytenhek mwl8k_cmd_802_11_radio_disable(hw); 2533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 2535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 2537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 2539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 2541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 2542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 2543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 2544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop tx reclaim tasklet */ 2546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 2549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 2551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 2554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_if_init_conf *conf) 2555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 2558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support one active interface at a time. 2561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif != NULL) 2563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EBUSY; 2564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support managed interfaces for now. 2567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2568240e86efd60e6bc232a072273a7f7794bcb035e0Lennert Buytenhek if (conf->type != NL80211_IFTYPE_STATION) 2569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2571a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 2572a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Reject interface creation if sniffer mode is active, as 2573a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * STA operation is mutually exclusive with hardware sniffer 2574a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * mode. 2575a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 2576a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 2577a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek printk(KERN_INFO "%s: unable to create STA " 2578a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek "interface due to sniffer mode being enabled\n", 2579a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek wiphy_name(hw->wiphy)); 2580a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return -EINVAL; 2581a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 2582a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clean out driver private area */ 2584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(conf->vif); 2585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 2586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 258732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Set and save the mac address */ 258832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek mwl8k_set_mac_addr(hw, conf->mac_addr); 2589d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(mwl8k_vif->mac_addr, conf->mac_addr, ETH_ALEN); 2590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Back pointer to parent config block */ 2592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->priv = priv; 2593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Setup initial PHY parameters */ 2595ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek memcpy(mwl8k_vif->legacy_rates, 2596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->rates, sizeof(mwl8k_vif->legacy_rates)); 2597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->legacy_nrates = ARRAY_SIZE(priv->rates); 2598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set Initial sequence number to zero */ 2600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 2601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = conf->vif; 2603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->current_channel = NULL; 2604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 2609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_if_init_conf *conf) 2610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif == NULL) 2614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 2615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 261632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00"); 261732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 2618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 2619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2621ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 2622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 2624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2625ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 2626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26277595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 26287595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek mwl8k_cmd_802_11_radio_disable(hw); 26297595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek priv->current_channel = NULL; 2630ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 26317595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 26327595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 2633ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 2634ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2635ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2637ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_802_11_radio_enable(hw); 2638ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2639ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2641ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf->channel); 2642ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2643ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2644ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 2645ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek priv->current_channel = conf->channel; 2646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 2648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 2649ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_802_11_rf_tx_power(hw, conf->power_level); 2650ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2651ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_mimo_config(hw, 0x7, 0x7)) 2654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 2655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2656ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 2657ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 2658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2659ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26623a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekstatic void mwl8k_bss_info_changed(struct ieee80211_hw *hw, 26633a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_vif *vif, 26643a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_bss_conf *info, 26653a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek u32 changed) 2666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 26693a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 26703a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 26713a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (changed & BSS_CHANGED_BSSID) 26723a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek memcpy(mwl8k_vif->bssid, info->bssid, ETH_ALEN); 26733a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 26743a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) == 0) 26753a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 2676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 2678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26793a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_fw_lock(hw); 2680942457d63fedd08ce7330b89fc2934be02c3feccLennert Buytenhek if (rc) 26813a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 26823a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 2683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (info->assoc) { 2684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(&mwl8k_vif->bss_info, info, 2685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_bss_conf)); 2686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Install rates */ 26883a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_update_rateset(hw, vif); 26893a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26903a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn on rate adaptation */ 26933a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE, 26943a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek MWL8K_UCAST_RATE, NULL); 26953a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26963a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set radio preamble */ 26993a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_set_radio_preamble(hw, info->use_short_preamble); 27003a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27013a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set slot time */ 27043a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_set_slot(hw, info->use_short_slot); 27053a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27063a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Update peer rate info */ 27093a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_update_sta_db(hw, vif, 27103a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek MWL8K_STA_DB_MODIFY_ENTRY); 27113a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27123a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set AID */ 27153a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif); 27163a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27173a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 2721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 2722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2723d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(priv->capture_bssid, mwl8k_vif->bssid, ETH_ALEN); 2724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 2725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 27263a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY); 2727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&mwl8k_vif->bss_info, 0, 2728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_bss_conf)); 2729d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(mwl8k_vif->bssid, 0, ETH_ALEN); 2730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 27323a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 27333a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 2734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2736e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 2737e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 2738e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 2739e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 2740e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2741447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 2742447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * Synthesize and return a command packet that programs the 2743447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * hardware multicast address filter. At this point we don't 2744447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * know whether FIF_ALLMULTI is being requested, but if it is, 2745447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * we'll end up throwing this packet away and creating a new 2746447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * one in mwl8k_configure_filter(). 2747447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 2748447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_count, mclist); 2749e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2750e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 2751e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 2752e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2753a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekstatic int 2754a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekmwl8k_configure_filter_sniffer(struct ieee80211_hw *hw, 2755a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int changed_flags, 2756a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int *total_flags) 2757a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek{ 2758a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2759a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2760a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 2761a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Hardware sniffer mode is mutually exclusive with STA 2762a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * operation, so refuse to enable sniffer mode if a STA 2763a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * interface is active. 2764a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 2765a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->vif != NULL) { 2766a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (net_ratelimit()) 2767a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek printk(KERN_INFO "%s: not enabling sniffer " 2768a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek "mode because STA interface is active\n", 2769a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek wiphy_name(hw->wiphy)); 2770a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 2771a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 2772a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2773a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (!priv->sniffer_enabled) { 2774a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (mwl8k_enable_sniffer(hw, 1)) 2775a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 2776a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = true; 2777a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 2778a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2779a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI | 2780a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | 2781a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_OTHER_BSS; 2782a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2783a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 1; 2784a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek} 2785a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2786e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 2787e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 2788e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 2789e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 2790e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 2791e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2792a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast; 2793a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2794a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 2795a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Enable hardware sniffer mode if FIF_CONTROL or 2796a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * FIF_OTHER_BSS is requested. 2797a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 2798a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) && 2799a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) { 2800a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek kfree(cmd); 2801a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return; 2802a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 2803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2804e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 2805447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 2806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2807e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (mwl8k_fw_lock(hw)) 2808e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 2809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2810a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 2811a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_enable_sniffer(hw, 0); 2812a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 2813a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 2814a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2815e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 281677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { 281777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 281877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Disable the BSS filter. 281977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 2820e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 282177165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek } else { 2822a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek u8 *bssid; 2823a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 282477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 282577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Enable the BSS filter. 282677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * 282777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * If there is an active STA interface, use that 282877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * interface's BSSID, otherwise use a dummy one 282977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * (where the OUI part needs to be nonzero for 283077165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * the BSSID to be accepted by POST_SCAN). 283177165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 283277165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek bssid = "\x01\x00\x00\x00\x00\x00"; 2833a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek if (priv->vif != NULL) 2834a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek bssid = MWL8K_VIF(priv->vif)->bssid; 2835a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 2836e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 2837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2840447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 2841447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * If FIF_ALLMULTI is being requested, throw away the command 2842447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packet that ->prepare_multicast() built and replace it with 2843447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * a command packet that enables reception of all multicast 2844447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packets. 2845447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 2846447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (*total_flags & FIF_ALLMULTI) { 2847447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 2848447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, 0, NULL); 2849447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek } 2850447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek 2851447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (cmd != NULL) { 2852447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek mwl8k_post_cmd(hw, cmd); 2853447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 2854e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 2855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2856e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 2857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 2860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2861733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek return mwl8k_rts_threshold(hw, MWL8K_CMD_SET, value); 2862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue, 2865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 2866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 28673e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28703e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 28713e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 28723e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 28733e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_set_wmm(hw, 1); 2874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28753e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) 28763e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_set_edca_params(hw, queue, 28773e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->cw_min, 28783e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->cw_max, 28793e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->aifs, 28803e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->txop); 28813e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 28823e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 2883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 28843e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 2885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_tx_stats(struct ieee80211_hw *hw, 2889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats *stats) 2890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 2893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 2894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 2896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) { 2897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + index; 289845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memcpy(&stats[index], &txq->stats, 2899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_tx_queue_stats)); 2900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 2902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2903954ef509cc7d795ccd69fa2e01539297e9a003a0Lennert Buytenhek return 0; 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 2907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 2908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2909954ef509cc7d795ccd69fa2e01539297e9a003a0Lennert Buytenhek return mwl8k_cmd_802_11_get_stat(hw, stats); 2910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 2913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 29203ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 2924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_tx_stats = mwl8k_get_tx_stats, 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_tx_reclaim_handler(unsigned long data) 2929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *) data; 2932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 2935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 0); 2937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 293888de754ad59025eba797e7a8375807755577f450Lennert Buytenhek if (priv->tx_wait != NULL && !priv->pending_tx_pkts) { 2939ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek complete(priv->tx_wait); 2940ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek priv->tx_wait = NULL; 2941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 2943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 2946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 2948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 2949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 2950ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek u8 dtim = MWL8K_VIF(priv->vif)->bss_info.dtim_period; 2951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_finalize_join(priv->hw, skb->data, skb->len, dtim); 2953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 2956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 295845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic struct mwl8k_device_info di_8687 = { 2959a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek .part_name = "88w8687", 2960a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek .helper_image = "mwl8k/helper_8687.fw", 2961a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek .fw_image = "mwl8k/fmimage_8687.fw", 296245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 296345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 296445a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { 296545a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek { 296645a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek PCI_VDEVICE(MARVELL, 0x2a2b), 296745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .driver_data = (unsigned long)&di_8687, 296845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek }, { 296945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek PCI_VDEVICE(MARVELL, 0x2a30), 297045a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .driver_data = (unsigned long)&di_8687, 297145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek }, { 297245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek }, 297345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 297445a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table); 297545a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 2976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __devinit mwl8k_probe(struct pci_dev *pdev, 2977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct pci_device_id *id) 2978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 29792aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek static int printed_version = 0; 2980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 2981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 29842aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek 29852aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek if (!printed_version) { 29862aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 29872aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printed_version = 1; 29882aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek } 2989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_enable_device(pdev); 2991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot enable new PCI device\n", 2993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 2994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_request_regions(pdev, MWL8K_NAME); 2998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 3000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 3001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_master(pdev); 3005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 3007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) { 3008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 3009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ENOMEM; 3010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_reg; 3011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw = hw; 3015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pdev = pdev; 301645a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek priv->device_info = (void *)id->driver_data; 3017a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 30180439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek priv->wmm_enabled = false; 3019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts = 0; 3020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_DEV(hw, &pdev->dev); 3022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, hw); 3023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30245b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->sram = pci_iomap(pdev, 0, 0x10000); 30255b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram == NULL) { 30265b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek printk(KERN_ERR "%s: Cannot map device SRAM\n", 3027c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30315b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek /* 30325b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek * If BAR0 is a 32 bit BAR, the register BAR will be BAR1. 30335b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek * If BAR0 is a 64 bit BAR, the register BAR will be BAR2. 30345b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek */ 30355b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->regs = pci_iomap(pdev, 1, 0x10000); 30365b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->regs == NULL) { 30375b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->regs = pci_iomap(pdev, 2, 0x10000); 30385b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->regs == NULL) { 30395b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek printk(KERN_ERR "%s: Cannot map device registers\n", 30405b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek wiphy_name(hw->wiphy)); 30415b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek goto err_iounmap; 30425b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek } 30435b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek } 30445b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 3045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels)); 3046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.band = IEEE80211_BAND_2GHZ; 3047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.channels = priv->channels; 3048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_channels = ARRAY_SIZE(mwl8k_channels); 3049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.bitrates = priv->rates; 3050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_bitrates = ARRAY_SIZE(mwl8k_rates); 3051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; 3052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates) != sizeof(mwl8k_rates)); 3054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->rates, mwl8k_rates, sizeof(mwl8k_rates)); 3055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Extra headroom is the size of the required DMA header 3058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * minus the size of the smallest 802.11 frame (CTS frame). 3059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->extra_tx_headroom = 3061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 3062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->channel_change_time = 10; 3064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->queues = MWL8K_TX_QUEUES; 3066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3067240e86efd60e6bc232a072273a7f7794bcb035e0Lennert Buytenhek hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 3068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set rssi and noise values to dBm */ 3070ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; 3071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->vif_data_size = sizeof(struct mwl8k_vif); 3072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 3073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set default radio state and preamble */ 3075c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = 0; 307668ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = 0; 3077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Finalize join worker */ 3079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 3080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX reclaim tasklet */ 3082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_init(&priv->tx_reclaim_task, 3083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_reclaim_handler, (unsigned long)hw); 3084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 3085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Power management cookie */ 3087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 3088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie == NULL) 3089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 3092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 3095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3096618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_init(&priv->fw_mutex); 3097618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 3098618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth = 0; 3099618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 3100618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 3101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_init(&priv->tx_lock); 3102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 310388de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->tx_wait = NULL; 310488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 3105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) { 3106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_init(hw, i); 3107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 3112c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 3114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = request_irq(priv->pdev->irq, &mwl8k_interrupt, 3117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 3118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 3120c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Reset firmware and hardware */ 3125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 312845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek rc = mwl8k_request_firmware(priv); 3129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3130c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Firmware files not found\n", 3131c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_irq; 3133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Load firmware into hardware */ 3136c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_firmware(hw); 3137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3138c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot start firmware\n", 3139c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 3144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_firmware(priv); 3145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 3148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * commands use interrupts and avoids polling. Disable 3149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 3150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3151c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 3154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_get_hw_spec(hw); 3155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3156c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot initialise firmware\n", 3157c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 3162c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek rc = mwl8k_cmd_802_11_radio_disable(hw); 3163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3164c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot disable\n", wiphy_name(hw->wiphy)); 3165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 316832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Clear MAC address */ 316932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00"); 317032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (rc) { 317132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek printk(KERN_ERR "%s: Cannot clear MAC address\n", 317232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek wiphy_name(hw->wiphy)); 317332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek goto err_stop_firmware; 317432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek } 317532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 3176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 3177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = ieee80211_register_hw(hw); 3181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3182c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot register device\n", 3183c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3187eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek printk(KERN_INFO "%s: %s v%d, %pM, %s firmware %u.%u.%u.%u\n", 3188a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek wiphy_name(hw->wiphy), priv->device_info->part_name, 318945a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek priv->hw_rev, hw->wiphy->perm_addr, 3190eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw ? "AP" : "STA", 31912aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 31922aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 3193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 3195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_stop_firmware: 3197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_firmware(priv); 3199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 3201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 3205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_iounmap: 3210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 3211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 3212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 3213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 3215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32175b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram != NULL) 32185b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 32195b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 3220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 3224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3230230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_shutdown(struct pci_dev *pdev) 3231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); 3233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3235230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_remove(struct pci_dev *pdev) 3236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 3238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 3242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 3246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 324760aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 324860aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 3249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Remove tx reclaim tasklet */ 3250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_kill(&priv->tx_reclaim_task); 3251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 3253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 3256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 3258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3264c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 3265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 32675b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 3268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 3275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 327645a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .id_table = mwl8k_pci_id_table, 3277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 3278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove = __devexit_p(mwl8k_remove), 3279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .shutdown = __devexit_p(mwl8k_shutdown), 3280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __init mwl8k_init(void) 3283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return pci_register_driver(&mwl8k_driver); 3285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void __exit mwl8k_exit(void) 3288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unregister_driver(&mwl8k_driver); 3290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_init(mwl8k_init); 3293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_exit(mwl8k_exit); 3294c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 3295c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 3296c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 3297c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 3298c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 3299