mwl8k.c revision e6935ea10485f34b82d16f8dff9aa2bdf32ab4bf
1a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * drivers/net/wireless/mwl8k.c 3ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * Driver for Marvell TOPDOG 802.11 Wireless cards 4a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 5a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Copyright (C) 2008 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> 15a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/spinlock.h> 16a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/list.h> 17a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/pci.h> 18a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/delay.h> 19a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/completion.h> 20a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/etherdevice.h> 21a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <net/mac80211.h> 22a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/moduleparam.h> 23a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/firmware.h> 24a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/workqueue.h> 25a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver" 27a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_NAME KBUILD_MODNAME 28a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_VERSION "0.9.1" 29a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 31a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 32a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 33a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_LICENSE("GPL"); 34a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 35a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_table) = { 36a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = 8687, }, 37a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = 8687, }, 38a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { } 39a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 40a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_table); 41a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 42a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Register definitions */ 43a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_GEN_PTR 0x00000c10 44ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_STA 0x0000005a 45ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_AP 0x000000a5 46a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_INT_CODE 0x00000c14 47ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWSTA_READY 0xf0f1f2f4 48ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWAP_READY 0xf1f2f4a5 49ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005 50a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_SCRATCH 0x00000c40 51a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 52a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Host->device communications */ 53a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18 54a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c 55a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20 56a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24 57a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28 58ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DUMMY (1 << 20) 59ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_RESET (1 << 15) 60ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DOORBELL (1 << 1) 61ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_PPA_READY (1 << 0) 62a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 63a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Device->host communications */ 64a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c 65a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30 66a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34 67a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38 68a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c 69ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_DUMMY (1 << 20) 70ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11) 71ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10) 72ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7) 73ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_ON (1 << 6) 74ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_OFF (1 << 5) 75ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_MAC_EVENT (1 << 3) 76ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_OPC_DONE (1 << 2) 77ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RX_READY (1 << 1) 78ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_TX_DONE (1 << 0) 79a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 80a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \ 81a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_CHNL_SWITCHED | \ 82a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_QUEUE_EMPTY | \ 83a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADAR_DETECT | \ 84a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_ON | \ 85a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_OFF | \ 86a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_MAC_EVENT | \ 87a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_OPC_DONE | \ 88a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RX_READY | \ 89a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_TX_DONE) 90a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 91a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* WME stream classes */ 92a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_BE 0 /* best effort */ 93a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_BK 1 /* background */ 94a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_VI 2 /* video */ 95a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_VO 3 /* voice */ 96a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 97a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_QUEUES 1 98a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_QUEUES 4 99a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_desc_count; 102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_head; 105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_tail; 108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc_area; 110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t rx_desc_dma; 111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff **rx_skb; 112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx_head; 117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx_tail; 120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats tx_stats; 122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc_area; 123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t tx_desc_dma; 12476266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek struct sk_buff **tx_skb; 125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Pointers to the firmware data and meta information about it. */ 128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_firmware { 129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Microcode */ 130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct firmware *ucode; 131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Boot helper code */ 133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct firmware *helper; 134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs; 138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 name[16]; 142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* firmware files and meta data */ 144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_firmware fw; 145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 part_num; 146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 147618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek /* firmware access */ 148618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mutex fw_mutex; 149618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct task_struct *fw_mutex_owner; 150618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 151618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *tx_wait; 152618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 153618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif; 158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *current_channel; 160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue txq[MWL8K_TX_QUEUES]; 177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* PHY parameters */ 179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_supported_band band; 180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel channels[14]; 181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate rates[12]; 182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 183c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 18468ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 1850439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 189d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Tasklet to reclaim TX descriptors and buffers after tx */ 201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct tasklet_struct tx_reclaim_task; 202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Work thread to serialize configuration requests */ 204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct workqueue_struct *config_wq; 205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* backpointer to parent config block */ 210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* BSS config of AP or IBSS from mac80211*/ 213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf bss_info; 214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* BSSID of AP or IBSS */ 216d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 bssid[ETH_ALEN]; 217d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 mac_addr[ETH_ALEN]; 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Subset of supported legacy rates. 221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Intersection of AP and STA supported rates. 222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate legacy_rates[12]; 224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* number of supported legacy rates */ 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 legacy_nrates; 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Index into station database.Returned by update_sta_db call */ 229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 peer_id; 230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Non AMPDU sequence number assigned by driver */ 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno; 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 235a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels[] = { 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates[] = { 252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET 0x0001 268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 275ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 276ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 279ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 280ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 281ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 282ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 283ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 285ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 286ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 288ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 291ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize) 294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 299ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek switch (cmd & ~0x8000) { 300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 309ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 310ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 311ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 312ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 314ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 315ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 317ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 320ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_fw(struct firmware **fw) 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.ucode); 351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.helper); 352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const char *fname, struct firmware **fw) 357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return request_firmware((const struct firmware **)fw, 363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek fname, &priv->pdev->dev); 364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_firmware(struct mwl8k_priv *priv, u32 part_num) 367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 filename[64]; 369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->part_num = part_num; 372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(filename, sizeof(filename), 374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "mwl8k/helper_%u.fw", priv->part_num); 375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_fw(priv, filename, &priv->fw.helper); 377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR 379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "%s Error requesting helper firmware file %s\n", 380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_name(priv->pdev), filename); 381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(filename, sizeof(filename), 385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "mwl8k/fmimage_%u.fw", priv->part_num); 386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_fw(priv, filename, &priv->fw.ucode); 388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s Error requesting firmware file %s\n", 390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_name(priv->pdev), filename); 391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.helper); 392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 seq_num; 402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 442d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_firmware(struct mwl8k_priv *priv) 546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops, rc; 548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *ucode = priv->fw.ucode->data; 550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size_t ucode_len = priv->fw.ucode->size; 551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *helper = priv->fw.helper->data; 552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size_t helper_len = priv->fw.helper->size; 553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!memcmp(ucode, "\x01\x00\x00\x00", 4)) { 555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper, helper_len); 556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(1); 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_feed_fw_image(priv, ucode, ucode_len); 564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_load_fw_image(priv, ucode, ucode_len); 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware data\n", 570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_name(priv->pdev)); 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(1); 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 200000; 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (ioread32(priv->regs + MWL8K_HIU_INT_CODE) 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek == MWL8K_FWSTA_READY) 581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Defines shared between transmission and reception. 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* HT control fields for firmware */ 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct ewc_ht_info { 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control1; 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control2; 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control3; 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware Station database operations */ 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_ADD_ENTRY 0 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_FLUSH 3 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_IEEE_LEGACY_DATA_RATES 12 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_MCS_BITMAP_SIZE 16 610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct peer_capability_info { 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer type - AP vs. STA. */ 613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_type; 614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 basic_caps; 617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 ht_support; 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Valid if HT is supported. */ 622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 ht_caps; 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 extended_ht_caps; 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ewc_ht_info ewc_info; 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 legacy_rates[MWL8K_IEEE_LEGACY_DATA_RATES]; 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 ht_rates[MWL8K_MCS_BITMAP_SIZE]; 631c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek __u8 pad[16]; 632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 interop; 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2; 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 station_id; 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 amsdu_enabled; 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Inline functions to manipulate QoS field in data descriptor. */ 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_eosp(u16 qos) 642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 1 << 4; 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* End of Service Period Bit 4 */ 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return qos | val_mask; 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_ack(u16 qos, u8 ack_policy) 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0x3; 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 shift = 5; 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~(val_mask << shift); 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Ack Policy Bit 5-6 */ 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | ((ack_policy & val_mask) << shift); 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_amsdu(u16 qos) 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 1 << 7; 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* AMSDU present Bit 7 */ 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return qos | val_mask; 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_qlen(u16 qos, u8 len) 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0xff; 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 shift = 8; 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~(val_mask << shift); 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Queue Length Bits 8-15 */ 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | ((len & val_mask) << shift); 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 68476266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb) 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 68676266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek struct mwl8k_dma_data *tr = (struct mwl8k_dma_data *)skb->data; 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void *dst, *src = &tr->wh; 68876266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek int hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 space = sizeof(struct mwl8k_dma_data) - hdrlen; 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst = (void *)tr + space; 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (dst != src) { 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(dst, src, hdrlen); 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_pull(skb, space); 695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 69876266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhekstatic inline void mwl8k_add_dma_header(struct sk_buff *skb) 699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 hdrlen, pktlen; 702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pktlen = skb->len; 707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Copy up/down the 802.11 header; the firmware requires 710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * we present a 2-byte payload length followed by a 711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 4-address header (w/o QoS), followed (optionally) by 712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * any WEP/ExtIV header (but only filled in for CCMP). 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hdrlen != sizeof(struct mwl8k_dma_data)) 715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_push(skb, sizeof(struct mwl8k_dma_data) - hdrlen); 716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clear addr4 */ 722d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(tr->wh.addr4, 0, ETH_ALEN); 723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr->fwlen = cpu_to_le16(pktlen - hdrlen); 730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet reception. 735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_CTRL_OWNED_BY_HOST 0x02 737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_desc { 739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 next_rx_desc_phys_addr; 744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count = 0; 766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_head = 0; 767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_tail = 0; 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc); 770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area = 772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_alloc_consistent(priv->pdev, size, &rxq->rx_desc_dma); 773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_desc_area == NULL) { 774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX descriptors\n", 775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(rxq->rx_desc_area, 0, size); 779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb = kmalloc(MWL8K_RX_DESCS * 781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*rxq->rx_skb), GFP_KERNEL); 782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_skb == NULL) { 783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX skbuff list\n", 784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, size, 786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area, rxq->rx_desc_dma); 787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(rxq->rx_skb, 0, MWL8K_RX_DESCS * sizeof(*rxq->rx_skb)); 790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc; 793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc = rxq->rx_desc_area + i; 796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_RX_DESCS; 797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc->next_rx_desc_phys_addr = 799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rxq->rx_desc_dma 800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek + nexti * sizeof(*rx_desc)); 801c491bf1205485c83086bf4f2f26ca6598d48133aRami Rosen rx_desc->rx_ctrl = MWL8K_RX_CTRL_OWNED_BY_HOST; 802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq->rx_desc_count < MWL8K_RX_DESCS && limit--) { 815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count++; 823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx = rxq->rx_tail; 825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_tail = (rx + 1) % MWL8K_RX_DESCS; 826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].pkt_phys_addr = 828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(pci_map_single(priv->pdev, skb->data, 829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE)); 830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].pkt_len = cpu_to_le16(MWL8K_RX_MAXSZ); 832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[rx] = skb; 833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].rx_ctrl = 0; 835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_skb[i] != NULL) { 851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(rxq->rx_desc_area[i].pkt_phys_addr); 854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, MWL8K_RX_MAXSZ, 855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_FROMDEVICE); 856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree_skb(rxq->rx_skb[i]); 857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[i] = NULL; 858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(rxq->rx_skb); 862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb = NULL; 863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc), 866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area, rxq->rx_desc_dma); 867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area = NULL; 868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !compare_ether_addr(wh->addr3, priv->capture_bssid); 881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_save_beacon(struct mwl8k_priv *priv, 884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb) 885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 887d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek queue_work(priv->config_wq, 897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &priv->finalize_join_worker); 898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq->rx_desc_count && limit--) { 908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc; 909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc = rxq->rx_desc_area + rxq->rx_head; 915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST)) 916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rmb(); 918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = rxq->rx_skb[rxq->rx_head]; 920d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 921d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[rxq->rx_head] = NULL; 923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_head = (rxq->rx_head + 1) % MWL8K_RX_DESCS; 925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count--; 926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(rx_desc->pkt_phys_addr); 928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, 929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_put(skb, le16_to_cpu(rx_desc->pkt_len)); 93276266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_remove_dma_header(skb); 933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Check for pending join operation. save a copy of 938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the beacon and schedule a tasklet to send finalize 939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * join command to the firmware. 940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_capture_bssid(priv, wh)) 942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_save_beacon(priv, skb); 943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&status, 0, sizeof(status)); 945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.mactime = 0; 946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.signal = -rx_desc->rssi; 947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.noise = -rx_desc->noise_level; 948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.qual = rx_desc->link_quality; 949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.antenna = 1; 950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.rate_idx = 1; 951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.flag = 0; 952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.band = IEEE80211_BAND_2GHZ; 953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.freq = ieee80211_channel_to_frequency(rx_desc->channel); 954f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 955f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Transmit queue assignment. */ 969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekenum { 970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BK = 0, /* background access */ 971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BE = 1, /* best effort access */ 972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_VI = 2, /* video access */ 973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_VO = 3, /* voice access */ 974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Transmit packet ACK policy */ 977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_NORMAL 0 978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_BLOCKACK 3 979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define GET_TXQ(_ac) (\ 981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_VO) ? MWL8K_WME_AC_VO : \ 982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_VI) ? MWL8K_WME_AC_VI : \ 983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_BK) ? MWL8K_WME_AC_BK : \ 984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BE) 985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 999d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 1000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 next_tx_desc_phys_addr; 1001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 1002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_frag_cnt; 1005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1016ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek memset(&txq->tx_stats, 0, sizeof(struct ieee80211_tx_queue_stats)); 1017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.limit = MWL8K_TX_DESCS; 1018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_head = 0; 1019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_tail = 0; 1020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area = 1024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_alloc_consistent(priv->pdev, size, &txq->tx_desc_dma); 1025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_desc_area == NULL) { 1026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX descriptors\n", 1027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 1028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(txq->tx_desc_area, 0, size); 1031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->tx_skb), 1033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek GFP_KERNEL); 1034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_skb == NULL) { 1035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX skbuff list\n", 1036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 1037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, size, 1038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area, txq->tx_desc_dma); 1039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(txq->tx_skb, 0, MWL8K_TX_DESCS * sizeof(*txq->tx_skb)); 1042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + i; 1048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 1051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->next_tx_desc_phys_addr = 1052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(txq->tx_desc_dma + 1053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti * sizeof(*tx_desc)); 1054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int mwl8k_txq_busy(struct mwl8k_priv *priv) 1069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->pending_tx_pkts; 1071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_txq_info { 1074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 fw_owned; 1075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 drv_owned; 1076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 unused; 1077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 len; 1078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 head; 1079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 tail; 1080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_scan_tx_ring(struct mwl8k_priv *priv, 1083c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek struct mwl8k_txq_info *txinfo) 1084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count, desc, status; 1086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int ndescs = 0; 1089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1090c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek memset(txinfo, 0, MWL8K_TX_QUEUES * sizeof(struct mwl8k_txq_info)); 1091c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek 1092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 1093c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek for (count = 0; count < MWL8K_TX_QUEUES; count++) { 1094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + count; 1095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].len = txq->tx_stats.len; 1096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].head = txq->tx_head; 1097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].tail = txq->tx_tail; 1098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 1099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + desc; 1100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 1103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].fw_owned++; 1104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].drv_owned++; 1106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 1108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].unused++; 1109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return ndescs; 1114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1116618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 1117618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Must be called with hw->fw_mutex held and tx queues stopped. 1118618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 1119950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 1123ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek u32 count; 1124ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek unsigned long timeout; 1125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 1129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek count = mwl8k_txq_busy(priv); 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (count) { 1131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = &cmd_wait; 1132c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (priv->radio_on) 1133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_start(priv); 1134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 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 1142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_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; 1149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek newcount = mwl8k_txq_busy(priv); 1150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1152618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek printk(KERN_ERR "%s(%u) TIMEDOUT:5000ms Pend:%u-->%u\n", 1153950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek __func__, __LINE__, count, newcount); 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1155c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek mwl8k_scan_tx_ring(priv, txinfo); 1156c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) 1157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR 1158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "TXQ:%u L:%u H:%u T:%u FW:%u 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 1184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (txq->tx_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 1193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx = txq->tx_head; 1194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + 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 1205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_head = (tx + 1) % MWL8K_TX_DESCS; 1206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(txq->tx_stats.len == 0); 1207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_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); 121276266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek skb = txq->tx_skb[tx]; 121376266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek txq->tx_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 1246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(txq->tx_skb); 1247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb = NULL; 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area, txq->tx_desc_dma); 1252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area = 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, " 1320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "dropping TX frame.\n", priv->name); 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 132923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek BUG_ON(txq->tx_skb[txq->tx_tail] != NULL); 133023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq->tx_skb[txq->tx_tail] = skb; 1331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 133223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx = txq->tx_desc_area + txq->tx_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 134323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq->tx_stats.count++; 1344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.len++; 1345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 1346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 134723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq->tx_tail++; 1348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_tail == MWL8K_TX_DESCS) 1349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_tail = 0; 135023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_head == txq->tx_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 1434a66098daacee2f354dab311b58011e7076aa248cLennert 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); 1442618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) 1443618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 1444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 1446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 1447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 1448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 1453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 1454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1455618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 1456618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1457618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 1458618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 145937055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 146037055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 146137055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 1462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 1463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s timeout after %u ms\n", 1464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name, 1465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 1466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMD_TIMEOUT_MS); 1467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 1468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 1469ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 1470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 1471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s error 0x%x\n", 1472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name, 1473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 1474ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->result); 1475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * GET_HW_SPEC. 1482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_get_hw_spec { 1484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 1487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 1488d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 1489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 1491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 1492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 1494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 1495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 1496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 tx_queue_ptrs[MWL8K_TX_QUEUES]; 1497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 1498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 1499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 total_rx_desc; 1500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw) 1503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_get_hw_spec *cmd; 1506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 1514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 1517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 1518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rx_desc_dma); 15194ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES); 1520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 1521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].tx_desc_dma); 15224ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 15234ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->total_rx_desc = cpu_to_le32(MWL8K_RX_DESCS); 1524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 1529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 15304ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 1531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 1532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 1540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 1542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 1545ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 1546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x000F 1549ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1550e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 1551e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, 1552e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 1553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1554e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 1556e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 1557e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int i; 1558e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1559e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek if (mc_count > priv->num_mcaddrs) 1560e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek mc_count = priv->num_mcaddrs; 1561e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1562e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 1563ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1564e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 1565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1566e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 1567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 1569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 1570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 1571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 1572ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1573e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek for (i = 0; i < mc_count && mclist; i++) { 1574d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek if (mclist->da_addrlen != ETH_ALEN) { 1575e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek kfree(cmd); 1576e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 1577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1578e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN); 1579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mclist = mclist->next; 1580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1582e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 1583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_GET_STAT. 1587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_get_stat { 1589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 1592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 1595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 1596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 1597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 1598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw *hw, 1600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 1601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_get_stat *cmd; 1603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 1610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_GET); 1612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 1616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 1617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 1618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 1619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 1620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 1621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 1622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 1623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_RADIO_CONTROL. 1631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_radio_control { 1633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 1636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 1637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1639c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 1640c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekmwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 1641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_radio_control *cmd; 1644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1646c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 1647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 1654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 165668ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 1657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 1658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 1663c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 1664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1668c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int mwl8k_cmd_802_11_radio_disable(struct ieee80211_hw *hw) 1669c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 1670c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 0, 0); 1671c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1672c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 1673c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int mwl8k_cmd_802_11_radio_enable(struct ieee80211_hw *hw) 1674c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 1675c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 1, 0); 1676c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1677c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 1678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 1680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 1682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL || hw->priv == NULL) 1684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 1685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 1686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 168768ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 1688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1689c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 1, 1); 1690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_RF_TX_POWER. 1694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_POWER_LEVEL_TOTAL 8 1696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_rf_tx_power { 1698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 1701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 1702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 1703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 1704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw *hw, int dBm) 1707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_rf_tx_power *cmd; 1709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 1716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 1719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 1728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 1730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 1734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 1736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 1743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 1753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 1755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 1757d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 1758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1761ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 *mac) 1762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 1764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 1771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 1773d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 1774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 1783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 1785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 1788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 1789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 1792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *channel) 1793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 1795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 1802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 1805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 1806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->channel_flags = cpu_to_le32(0x00000081); 1807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->channel_flags = cpu_to_le32(0x00000000); 1809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_SLOT. 1818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_slot { 1820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 short_slot; 1823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 18255539bb51295f2c9300a6e467a29bb62bcfe9f4bcLennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 1826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 1828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 1835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 18375539bb51295f2c9300a6e467a29bb62bcfe9f4bcLennert Buytenhek cmd->short_slot = short_slot_time; 1838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MIMO_CONFIG. 1847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mimo_config { 1849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 1851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_antenna_map; 1852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_antenna_map; 1853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 1856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 1858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 1865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 1867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rx_antenna_map = rx; 1868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->tx_antenna_map = tx; 1869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_ENABLE_SNIFFER. 1878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 1880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 1882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable) 1885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 1887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1895ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 1896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1904ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 1905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 1907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 mode; 1910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_setrateadaptmode(struct ieee80211_hw *hw, __u16 mode) 1913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 1915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 1922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->mode = cpu_to_le16(mode); 1925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_WMM_MODE. 1934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_wmm { 1936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_wmm(struct ieee80211_hw *hw, bool enable) 1941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_wmm *cmd; 1944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 1951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 19520439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 1953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 19580439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek priv->wmm_enabled = enable; 1959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RTS_THRESHOLD. 1965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_rts_threshold { 1967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 threshold; 1970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rts_threshold(struct ieee80211_hw *hw, 1973733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek u16 action, u16 threshold) 1974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_rts_threshold *cmd; 1976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 1983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(action); 1985733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek cmd->threshold = cpu_to_le16(threshold); 1986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 1995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 1997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 2000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 2003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 2004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Log exponent of max contention period: 0...15*/ 2006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 log_cw_max; 2007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Log exponent of min contention period: 0...15 */ 2009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 log_cw_min; 2010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 2012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 aifs; 2013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX queue to configure */ 2015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 txq; 2016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 2019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 2020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 2021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 2023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 2024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 2025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 2028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u16 cw_min, __u16 cw_max, 2029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 aifs, __u16 txop) 2030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 2032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 2039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 2041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 2042ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->log_cw_max = (u8)ilog2(cw_max + 1); 2043ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->log_cw_min = (u8)ilog2(cw_min + 1); 2044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->aifs = aifs; 2045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txq = qnum; 2046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_FINALIZE_JOIN. 2055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* FJ beacon buffer size is compiled into the firmware. */ 2058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 2059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_finalize_join { 2061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 2063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 2064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame, 2067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u16 framelen, __u16 dtim) 2068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 2070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_mgmt *payload = frame; 2071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 hdrlen; 2072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 payload_len; 2073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (frame == NULL) 2076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 2083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2084ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 2085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(payload->frame_control); 2087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek payload_len = framelen > hdrlen ? framelen - hdrlen : 0; 2089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX TBD Might just have to abort and return an error */ 2091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 2092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s(): WARNING: Incomplete beacon " 2093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "sent to firmware. Sz=%u MAX=%u\n", __func__, 2094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek payload_len, MWL8K_FJ_BEACON_MAXLEN); 2095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2096ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 2097ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 2098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (payload && payload_len) 2100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 2101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_UPDATE_STADB. 2109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_sta_db { 2111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See STADB_ACTION_TYPE */ 2114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer MAC address */ 2117d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 2118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 2120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer info - valid during add/update. */ 2122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct peer_capability_info peer_info; 2123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw, 2126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif, __u32 action) 2127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = &mv_vif->bss_info; 2130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_sta_db *cmd; 2131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct peer_capability_info *peer_info; 2132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 count, *rates; 2135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 2141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info = &cmd->peer_info; 2145d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->peer_addr, mv_vif->bssid, ETH_ALEN); 2146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek switch (action) { 2148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_ADD_ENTRY: 2149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_MODIFY_ENTRY: 2150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Build peer_info block */ 2151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 2152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->basic_caps = cpu_to_le16(info->assoc_capability); 2153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->interop = 1; 2154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->amsdu_enabled = 0; 2155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rates = peer_info->legacy_rates; 2157ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rates[count] = bitrates[count].hw_value; 2159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == 0) 2162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif->peer_id = peer_info->station_id; 2163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_DEL_ENTRY: 2167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_FLUSH: 2168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 2169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == 0) 2171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif->peer_id = 0; 2172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_AID. 2181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_INDEX_MAX_ARRAY 14 2183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 2185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 2186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 2187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 2188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_set_aid { 2190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 aid; 2192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* AP's MAC address (BSSID) */ 2194d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 2195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 protection_mode; 2196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 supp_rates[MWL8K_RATE_INDEX_MAX_ARRAY]; 2197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_aid(struct ieee80211_hw *hw, 2200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif) 2201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = &mv_vif->bss_info; 2204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 2205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 prot_mode; 2208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 2215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->aid = cpu_to_le16(info->aid); 2217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2218d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mv_vif->bssid, ETH_ALEN); 2219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (info->use_cts_prot) { 2221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 2222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 22239ed6bcce77f75d98af6ee07069deac6041948beeJohannes Berg switch (info->ht_operation_mode & 2224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 2225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 2226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 2227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 2229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 2230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 2232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 2233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 2237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->supp_rates[count] = bitrates[count].hw_value; 2240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RATE. 2249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_rateset { 2251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 legacy_rates[MWL8K_RATE_INDEX_MAX_ARRAY]; 2253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Bitmap for supported MCS codes. */ 2255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_set[MWL8K_IEEE_LEGACY_DATA_RATES]; 2256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 reserved[MWL8K_IEEE_LEGACY_DATA_RATES]; 2257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_update_rateset(struct ieee80211_hw *hw, 2260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif) 2261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_rateset *cmd; 2264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 2273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->legacy_rates[count] = bitrates[count].hw_value; 2277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_USE_FIXED_RATE. 2286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_TABLE_SIZE 8 2288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_UCAST_RATE 0 2289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 2290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_entry { 2292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 if HT rate, 0 if legacy. */ 2293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 is_ht_rate; 2294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 to use retry_count field. */ 2296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 enable_retry; 2297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Specified legacy rate or MCS. */ 2299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate; 2300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Number of allowed retries. */ 2302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 retry_count; 2303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_table { 2306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1 to allow specified rate and below */ 2307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 allow_rate_drop; 2308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_rates; 2309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry rate_entry[MWL8K_RATE_TABLE_SIZE]; 2310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_use_fixed_rate { 2313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_table rate_table; 2316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Unicast, Broadcast or Multicast */ 2318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate_type; 2319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved1; 2320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved2; 2321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw, 2324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 action, u32 rate_type, struct mwl8k_rate_table *rate_table) 2325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_use_fixed_rate *cmd; 2327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 2335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_type = cpu_to_le32(rate_type); 2339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rate_table != NULL) { 2341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Copy over each field manually so 2342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * that bitflipping can be done 2343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.allow_rate_drop = 2345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->allow_rate_drop); 2346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.num_rates = 2347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->num_rates); 2348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < rate_table->num_rates; count++) { 2350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *dst = 2351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &cmd->rate_table.rate_entry[count]; 2352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *src = 2353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &rate_table->rate_entry[count]; 2354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->is_ht_rate = cpu_to_le32(src->is_ht_rate); 2356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->enable_retry = cpu_to_le32(src->enable_retry); 2357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->rate = cpu_to_le32(src->rate); 2358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->retry_count = cpu_to_le32(src->retry_count); 2359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 2371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 2373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 2375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 2377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 2382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 2383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) 2385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_schedule(&priv->tx_reclaim_task); 2386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 2388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq_process(hw, 0, 1)) 2389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, 1); 2390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 2393618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 2394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 2395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 2398618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 2399618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->radio_on && mwl8k_txq_busy(priv)) 2400618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 2401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 2404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 2409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 2411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 2414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->current_channel == NULL) { 2417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: dropped TX frame since radio " 2418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "disabled\n", priv->name); 2419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 2421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_xmit(hw, index, skb); 2424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_work_struct { 2429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Initialized by mwl8k_queue_work(). */ 2430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct wt; 2431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Required field passed in to mwl8k_queue_work(). */ 2433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 2434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Required field passed in to mwl8k_queue_work(). */ 2436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int (*wfunc)(struct work_struct *w); 2437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Initialized by mwl8k_queue_work(). */ 2439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct completion *cmd_wait; 2440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Result code. */ 2442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_config_thread(struct work_struct *wt) 2446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct *worker = (struct mwl8k_work_struct *)wt; 2448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = worker->hw; 2449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 2450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2451618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 2452618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!rc) { 2453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = worker->wfunc(wt); 2454618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 2455618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 2456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->rc = rc; 2458950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek complete(worker->cmd_wait); 2459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_queue_work(struct ieee80211_hw *hw, 2462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_work_struct *worker, 2463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int (*wfunc)(struct work_struct *w)) 2464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2465950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 2467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 2468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 2470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->hw = hw; 2472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->cmd_wait = &cmd_wait; 2473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->rc = 1; 2474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek worker->wfunc = wfunc; 2475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek INIT_WORK(&worker->wt, mwl8k_config_thread); 2477950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek queue_work(priv->config_wq, &worker->wt); 2478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2479950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 2480950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek msecs_to_jiffies(10000)); 2481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2482950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek if (timeout) 2483950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek rc = worker->rc; 2484950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek else { 2485950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek cancel_work_sync(&worker->wt); 2486950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek rc = -ETIMEDOUT; 2487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 2493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = request_irq(priv->pdev->irq, &mwl8k_interrupt, 2498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 2499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 2501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 25022ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 2503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25052ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek /* Enable tx reclaim tasklet */ 25062ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_enable(&priv->tx_reclaim_task); 25072ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 2508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 2509c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25112ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 25122ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 25132ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_802_11_radio_enable(hw); 2514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25152ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25162ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 2517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25182ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25192ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 25202ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 25212ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 25222ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25232ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_setrateadaptmode(hw, 0); 2524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25252ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25262ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_set_wmm(hw, 0); 2527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25282ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 25292ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_enable_sniffer(hw, 0); 2530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25312ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 25322ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 25332ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 25342ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 25352ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 25362ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 25372ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 25382ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 2539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 2544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2548d3cea0b85a31a98630c6fcf7373d486db9612a10Lennert Buytenhek mwl8k_cmd_802_11_radio_disable(hw); 2549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 2551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 2553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 2555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 2557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 2558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 2559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 2560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop tx reclaim tasklet */ 2562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop config thread */ 2565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek flush_workqueue(priv->config_wq); 2566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 2568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 2570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 2573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_if_init_conf *conf) 2574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 2577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support one active interface at a time. 2580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif != NULL) 2582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EBUSY; 2583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support managed interfaces for now. 2586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2587240e86efd60e6bc232a072273a7f7794bcb035e0Lennert Buytenhek if (conf->type != NL80211_IFTYPE_STATION) 2588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clean out driver private area */ 2591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(conf->vif); 2592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 2593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Save the mac address */ 2595d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(mwl8k_vif->mac_addr, conf->mac_addr, ETH_ALEN); 2596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Back pointer to parent config block */ 2598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->priv = priv; 2599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Setup initial PHY parameters */ 2601ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek memcpy(mwl8k_vif->legacy_rates, 2602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->rates, sizeof(mwl8k_vif->legacy_rates)); 2603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->legacy_nrates = ARRAY_SIZE(priv->rates); 2604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set Initial sequence number to zero */ 2606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 2607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = conf->vif; 2609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->current_channel = NULL; 2610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 2615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_if_init_conf *conf) 2616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif == NULL) 2620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 2621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 2623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2625ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 2626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 2628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2629ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 2630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26317595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 26327595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek mwl8k_cmd_802_11_radio_disable(hw); 26337595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek priv->current_channel = NULL; 2634ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 26357595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 26367595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 2637ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 2638ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2639ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2641ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_802_11_radio_enable(hw); 2642ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2643ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2645ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf->channel); 2646ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2647ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2648ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 2649ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek priv->current_channel = conf->channel; 2650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 2652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 2653ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_802_11_rf_tx_power(hw, conf->power_level); 2654ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2655ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_mimo_config(hw, 0x7, 0x7)) 2658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 2659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2660ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 2661ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 2662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2663ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26663a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekstatic void mwl8k_bss_info_changed(struct ieee80211_hw *hw, 26673a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_vif *vif, 26683a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_bss_conf *info, 26693a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek u32 changed) 2670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 26733a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 26743a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 26753a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (changed & BSS_CHANGED_BSSID) 26763a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek memcpy(mwl8k_vif->bssid, info->bssid, ETH_ALEN); 26773a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 26783a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) == 0) 26793a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 2680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 2682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26833a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_fw_lock(hw); 26843a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (!rc) 26853a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 26863a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 2687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (info->assoc) { 2688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(&mwl8k_vif->bss_info, info, 2689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_bss_conf)); 2690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Install rates */ 26923a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_update_rateset(hw, vif); 26933a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26943a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn on rate adaptation */ 26973a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE, 26983a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek MWL8K_UCAST_RATE, NULL); 26993a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27003a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set radio preamble */ 27033a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_set_radio_preamble(hw, info->use_short_preamble); 27043a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27053a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set slot time */ 27083a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_set_slot(hw, info->use_short_slot); 27093a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27103a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Update peer rate info */ 27133a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_update_sta_db(hw, vif, 27143a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek MWL8K_STA_DB_MODIFY_ENTRY); 27153a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27163a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set AID */ 27193a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif); 27203a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 27213a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 2725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 2726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2727d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(priv->capture_bssid, mwl8k_vif->bssid, ETH_ALEN); 2728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 2729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 27303a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY); 2731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&mwl8k_vif->bss_info, 0, 2732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_bss_conf)); 2733d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(mwl8k_vif->bssid, 0, ETH_ALEN); 2734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 27363a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 27373a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 2738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2740e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 2741e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 2742e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 2743e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 2744e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2745e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = __mwl8k_cmd_mac_multicast_adr(hw, mc_count, mclist); 2746e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2747e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 2748e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 2749e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2750e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 2751e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 2752e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 2753e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 2754e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 2755e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2756e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *multicast_adr_cmd; 2757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2758e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 2759e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek *total_flags &= FIF_BCN_PRBRESP_PROMISC; 2760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2761e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (mwl8k_fw_lock(hw)) 2762e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 2763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2764e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 2765e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) 2766e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 2767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else { 2768a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek u8 *bssid; 2769a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 2770a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek bssid = "\x00\x00\x00\x00\x00\x00"; 2771a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek if (priv->vif != NULL) 2772a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek bssid = MWL8K_VIF(priv->vif)->bssid; 2773a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 2774e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 2775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2778e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek multicast_adr_cmd = (void *)(unsigned long)multicast; 2779e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (multicast_adr_cmd != NULL) { 2780e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_post_cmd(hw, multicast_adr_cmd); 2781e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek kfree(multicast_adr_cmd); 2782e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 2783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2784e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 2785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 2788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2789733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek return mwl8k_rts_threshold(hw, MWL8K_CMD_SET, value); 2790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue, 2793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 2794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 27953e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 27983e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 27993e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 28003e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 28013e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_set_wmm(hw, 1); 2802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28033e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) 28043e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_set_edca_params(hw, queue, 28053e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->cw_min, 28063e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->cw_max, 28073e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->aifs, 28083e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->txop); 28093e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 28103e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 2811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 28123e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 2813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_tx_stats(struct ieee80211_hw *hw, 2817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats *stats) 2818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 2821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 2822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 2824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) { 2825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + index; 2826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(&stats[index], &txq->tx_stats, 2827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_tx_queue_stats)); 2828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 2830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2831954ef509cc7d795ccd69fa2e01539297e9a003a0Lennert Buytenhek return 0; 2832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 2835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 2836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2837954ef509cc7d795ccd69fa2e01539297e9a003a0Lennert Buytenhek return mwl8k_cmd_802_11_get_stat(hw, stats); 2838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 2841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 2842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 2843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 2844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 2845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 2846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 2847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 28483ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 2849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 2850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 2851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 2852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_tx_stats = mwl8k_get_tx_stats, 2853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 2854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_tx_reclaim_handler(unsigned long data) 2857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *) data; 2860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 2863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 0); 2865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2866ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (priv->tx_wait != NULL && mwl8k_txq_busy(priv) == 0) { 2867ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek complete(priv->tx_wait); 2868ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek priv->tx_wait = NULL; 2869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 2871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 2874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 2876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 2877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 2878ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek u8 dtim = MWL8K_VIF(priv->vif)->bss_info.dtim_period; 2879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_finalize_join(priv->hw, skb->data, skb->len, dtim); 2881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 2884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __devinit mwl8k_probe(struct pci_dev *pdev, 2887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct pci_device_id *id) 2888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 2890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 2891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 *fw; 2894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_enable_device(pdev); 2896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot enable new PCI device\n", 2898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 2899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_request_regions(pdev, MWL8K_NAME); 2903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 2905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 2906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_master(pdev); 2910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 2912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) { 2913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ENOMEM; 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_reg; 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw = hw; 2920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pdev = pdev; 29210439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek priv->wmm_enabled = false; 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts = 0; 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek strncpy(priv->name, MWL8K_NAME, sizeof(priv->name)); 2924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_DEV(hw, &pdev->dev); 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, hw); 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs = pci_iomap(pdev, 1, 0x10000); 2929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs == NULL) { 2930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot map device memory\n", priv->name); 2931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 2932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels)); 2935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.band = IEEE80211_BAND_2GHZ; 2936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.channels = priv->channels; 2937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_channels = ARRAY_SIZE(mwl8k_channels); 2938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.bitrates = priv->rates; 2939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_bitrates = ARRAY_SIZE(mwl8k_rates); 2940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; 2941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates) != sizeof(mwl8k_rates)); 2943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->rates, mwl8k_rates, sizeof(mwl8k_rates)); 2944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Extra headroom is the size of the required DMA header 2947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * minus the size of the smallest 802.11 frame (CTS frame). 2948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->extra_tx_headroom = 2950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 2951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->channel_change_time = 10; 2953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->queues = MWL8K_TX_QUEUES; 2955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2956240e86efd60e6bc232a072273a7f7794bcb035e0Lennert Buytenhek hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 2957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set rssi and noise values to dBm */ 2959ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; 2960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->vif_data_size = sizeof(struct mwl8k_vif); 2961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 2962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set default radio state and preamble */ 2964c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = 0; 296568ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = 0; 2966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Finalize join worker */ 2968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 2969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX reclaim tasklet */ 2971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_init(&priv->tx_reclaim_task, 2972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_reclaim_handler, (unsigned long)hw); 2973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Config workthread */ 2976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->config_wq = create_singlethread_workqueue("mwl8k_config"); 2977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->config_wq == NULL) 2978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 2979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Power management cookie */ 2981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie == NULL) 2983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 2984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 2986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 2987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 2988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 2989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2990618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_init(&priv->fw_mutex); 2991618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 2992618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth = 0; 2993618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->tx_wait = NULL; 2994618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 2995618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_init(&priv->tx_lock); 2997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) { 2999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_init(hw, i); 3000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 3005c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 3007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = request_irq(priv->pdev->irq, &mwl8k_interrupt, 3010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 3011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 3013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name); 3014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Reset firmware and hardware */ 3018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 3021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_firmware(priv, (u32)id->driver_data); 3022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Firmware files not found\n", priv->name); 3024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_irq; 3025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Load firmware into hardware */ 3028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_load_firmware(priv); 3029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot start firmware\n", priv->name); 3031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 3035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_firmware(priv); 3036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 3039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * commands use interrupts and avoids polling. Disable 3040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 3041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3042c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 3045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_get_hw_spec(hw); 3046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot initialise firmware\n", priv->name); 3048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 3052c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek rc = mwl8k_cmd_802_11_radio_disable(hw); 3053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot disable\n", priv->name); 3055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 3059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = ieee80211_register_hw(hw); 3063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot register device\n", priv->name); 3065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek fw = (u8 *)&priv->fw_rev; 3069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_INFO "%s: 88W%u %s\n", priv->name, priv->part_num, 3070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_DESC); 3071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_INFO "%s: Driver Ver:%s Firmware Ver:%u.%u.%u.%u\n", 3072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->name, MWL8K_VERSION, fw[3], fw[2], fw[1], fw[0]); 3073e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg printk(KERN_INFO "%s: MAC Address: %pM\n", priv->name, 3074e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg hw->wiphy->perm_addr); 3075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 3077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_stop_firmware: 3079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_firmware(priv); 3081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 3083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 3087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_iounmap: 3092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 3093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 3094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 3095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 3097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->config_wq != NULL) 3100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek destroy_workqueue(priv->config_wq); 3101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 3106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3112230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_shutdown(struct pci_dev *pdev) 3113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); 3115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3117230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_remove(struct pci_dev *pdev) 3118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 3120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 3124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 3128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 312960aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 313060aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 3131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Remove tx reclaim tasklet */ 3132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_kill(&priv->tx_reclaim_task); 3133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop config thread */ 3135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek destroy_workqueue(priv->config_wq); 3136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 3138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 3141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 3143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 3150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 3151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 3160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 3161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .id_table = mwl8k_table, 3162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 3163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove = __devexit_p(mwl8k_remove), 3164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .shutdown = __devexit_p(mwl8k_shutdown), 3165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __init mwl8k_init(void) 3168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return pci_register_driver(&mwl8k_driver); 3170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void __exit mwl8k_exit(void) 3173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unregister_driver(&mwl8k_driver); 3175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_init(mwl8k_init); 3178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_exit(mwl8k_exit); 3179