mwl8k.c revision 3779752d764b86077375510b1fd13d8fb2c7c3a5
1a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * drivers/net/wireless/mwl8k.c 3ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * Driver for Marvell TOPDOG 802.11 Wireless cards 4a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 5a145d575833ff47330125364cb49304db7308825Lennert Buytenhek * Copyright (C) 2008-2009 Marvell Semiconductor Inc. 6a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 7a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This file is licensed under the terms of the GNU General Public 8a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * License version 2. This program is licensed "as is" without any 9a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * warranty of any kind, whether express or implied. 10a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 11a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/init.h> 13a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/module.h> 14a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/kernel.h> 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 28a145d575833ff47330125364cb49304db7308825Lennert Buytenhek#define MWL8K_VERSION "0.10" 29a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_table) = { 31a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = 8687, }, 32a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = 8687, }, 33a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { } 34a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 35a66098daacee2f354dab311b58011e7076aa248cLennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_table); 36a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 37a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Register definitions */ 38a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_GEN_PTR 0x00000c10 39ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_STA 0x0000005a 40ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_AP 0x000000a5 41a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_INT_CODE 0x00000c14 42ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWSTA_READY 0xf0f1f2f4 43ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWAP_READY 0xf1f2f4a5 44ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005 45a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_SCRATCH 0x00000c40 46a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 47a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Host->device communications */ 48a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18 49a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c 50a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20 51a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24 52a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28 53ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DUMMY (1 << 20) 54ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_RESET (1 << 15) 55ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DOORBELL (1 << 1) 56ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_PPA_READY (1 << 0) 57a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 58a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Device->host communications */ 59a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c 60a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30 61a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34 62a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38 63a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c 64ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_DUMMY (1 << 20) 65ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11) 66ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10) 67ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7) 68ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_ON (1 << 6) 69ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_OFF (1 << 5) 70ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_MAC_EVENT (1 << 3) 71ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_OPC_DONE (1 << 2) 72ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RX_READY (1 << 1) 73ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_TX_DONE (1 << 0) 74a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 75a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \ 76a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_CHNL_SWITCHED | \ 77a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_QUEUE_EMPTY | \ 78a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADAR_DETECT | \ 79a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_ON | \ 80a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_OFF | \ 81a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_MAC_EVENT | \ 82a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_OPC_DONE | \ 83a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RX_READY | \ 84a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_TX_DONE) 85a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 86a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* WME stream classes */ 87a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_BE 0 /* best effort */ 88a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_BK 1 /* background */ 89a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_VI 2 /* video */ 90a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define WME_AC_VO 3 /* voice */ 91a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 92a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_QUEUES 1 93a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_QUEUES 4 94a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 95a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 96a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_desc_count; 97a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 98a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 99a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_head; 100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx_tail; 103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc_area; 105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t rx_desc_dma; 106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff **rx_skb; 107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx_head; 112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx_tail; 115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats tx_stats; 117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc_area; 118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t tx_desc_dma; 11976266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek struct sk_buff **tx_skb; 120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Pointers to the firmware data and meta information about it. */ 123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_firmware { 124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Microcode */ 125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct firmware *ucode; 126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Boot helper code */ 128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct firmware *helper; 129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs; 133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* firmware files and meta data */ 138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_firmware fw; 139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 part_num; 140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 141618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek /* firmware access */ 142618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mutex fw_mutex; 143618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct task_struct *fw_mutex_owner; 144618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 145618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 146618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15088de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 15188de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 15288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif; 154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *current_channel; 156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 1632aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue txq[MWL8K_TX_QUEUES]; 173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* PHY parameters */ 175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_supported_band band; 176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel channels[14]; 177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate rates[12]; 178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 179c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 18068ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 1810439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 185d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Tasklet to reclaim TX descriptors and buffers after tx */ 197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct tasklet_struct tx_reclaim_task; 198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* backpointer to parent config block */ 203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* BSS config of AP or IBSS from mac80211*/ 206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf bss_info; 207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* BSSID of AP or IBSS */ 209d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 bssid[ETH_ALEN]; 210d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 mac_addr[ETH_ALEN]; 211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Subset of supported legacy rates. 214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Intersection of AP and STA supported rates. 215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate legacy_rates[12]; 217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* number of supported legacy rates */ 219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 legacy_nrates; 220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Index into station database.Returned by update_sta_db call */ 222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 peer_id; 223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Non AMPDU sequence number assigned by driver */ 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno; 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 228a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels[] = { 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates[] = { 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET 0x0001 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 268ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 269ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 272ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 273ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 274ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 275ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 276ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 278ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 279ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 281ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 284ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize) 287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 292ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek switch (cmd & ~0x8000) { 293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 302ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 303ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 304ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 305ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 307ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 308ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 310ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 313ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_fw(struct firmware **fw) 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.ucode); 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.helper); 345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 349c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek const char *fname, struct firmware **fw) 350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return request_firmware((const struct firmware **)fw, 356c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek fname, &priv->pdev->dev); 357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_firmware(struct mwl8k_priv *priv, u32 part_num) 360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 filename[64]; 362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->part_num = part_num; 365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(filename, sizeof(filename), 367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "mwl8k/helper_%u.fw", priv->part_num); 368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_fw(priv, filename, &priv->fw.helper); 370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 371c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting helper firmware " 372c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "file %s\n", pci_name(priv->pdev), filename); 373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(filename, sizeof(filename), 377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek "mwl8k/fmimage_%u.fw", priv->part_num); 378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_fw(priv, filename, &priv->fw.ucode); 380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 381c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 382c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev), filename); 383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(&priv->fw.helper); 384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 seq_num; 394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 434d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 537c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 539c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 540c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct firmware *fw = priv->fw.ucode; 541c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 542c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 543c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 544c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) { 545c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct firmware *helper = priv->fw.helper; 546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 547c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 548c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 549c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 550c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 551c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 553c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 556c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(1); 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 561c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 563c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 567c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 568c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(1); 574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 200000; 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (ioread32(priv->regs + MWL8K_HIU_INT_CODE) 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek == MWL8K_FWSTA_READY) 579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Defines shared between transmission and reception. 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* HT control fields for firmware */ 591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct ewc_ht_info { 592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control1; 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control2; 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control3; 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware Station database operations */ 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_ADD_ENTRY 0 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STA_DB_FLUSH 3 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_IEEE_LEGACY_DATA_RATES 12 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_MCS_BITMAP_SIZE 16 608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct peer_capability_info { 610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer type - AP vs. STA. */ 611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_type; 612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 basic_caps; 615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 ht_support; 618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Valid if HT is supported. */ 620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 ht_caps; 621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 extended_ht_caps; 622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ewc_ht_info ewc_info; 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 legacy_rates[MWL8K_IEEE_LEGACY_DATA_RATES]; 626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 ht_rates[MWL8K_MCS_BITMAP_SIZE]; 629c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek __u8 pad[16]; 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 interop; 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2; 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 station_id; 635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 amsdu_enabled; 636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Inline functions to manipulate QoS field in data descriptor. */ 639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_eosp(u16 qos) 640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 1 << 4; 642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* End of Service Period Bit 4 */ 644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return qos | val_mask; 645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_ack(u16 qos, u8 ack_policy) 648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0x3; 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 shift = 5; 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~(val_mask << shift); 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Ack Policy Bit 5-6 */ 654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | ((ack_policy & val_mask) << shift); 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_amsdu(u16 qos) 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 1 << 7; 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* AMSDU present Bit 7 */ 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return qos | val_mask; 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline u16 mwl8k_qos_setbit_qlen(u16 qos, u8 len) 666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 val_mask = 0xff; 668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 shift = 8; 669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 qos_mask = ~(val_mask << shift); 670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Queue Length Bits 8-15 */ 672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return (qos & qos_mask) | ((len & val_mask) << shift); 673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 675a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 68276266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb) 683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 68476266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek struct mwl8k_dma_data *tr = (struct mwl8k_dma_data *)skb->data; 685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void *dst, *src = &tr->wh; 68676266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek int hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 space = sizeof(struct mwl8k_dma_data) - hdrlen; 688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst = (void *)tr + space; 690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (dst != src) { 691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(dst, src, hdrlen); 692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_pull(skb, space); 693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 69676266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhekstatic inline void mwl8k_add_dma_header(struct sk_buff *skb) 697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 hdrlen, pktlen; 700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pktlen = skb->len; 705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Copy up/down the 802.11 header; the firmware requires 708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * we present a 2-byte payload length followed by a 709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 4-address header (w/o QoS), followed (optionally) by 710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * any WEP/ExtIV header (but only filled in for CCMP). 711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hdrlen != sizeof(struct mwl8k_dma_data)) 713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_push(skb, sizeof(struct mwl8k_dma_data) - hdrlen); 714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clear addr4 */ 720d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(tr->wh.addr4, 0, ETH_ALEN); 721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr->fwlen = cpu_to_le16(pktlen - hdrlen); 728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet reception. 733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_CTRL_OWNED_BY_HOST 0x02 735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_desc { 737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 next_rx_desc_phys_addr; 742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count = 0; 764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_head = 0; 765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_tail = 0; 766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc); 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area = 770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_alloc_consistent(priv->pdev, size, &rxq->rx_desc_dma); 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_desc_area == NULL) { 772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX descriptors\n", 773c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(rxq->rx_desc_area, 0, size); 777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb = kmalloc(MWL8K_RX_DESCS * 779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*rxq->rx_skb), GFP_KERNEL); 780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_skb == NULL) { 781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX skbuff list\n", 782c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, size, 784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area, rxq->rx_desc_dma); 785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(rxq->rx_skb, 0, MWL8K_RX_DESCS * sizeof(*rxq->rx_skb)); 788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc; 791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc = rxq->rx_desc_area + i; 794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_RX_DESCS; 795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc->next_rx_desc_phys_addr = 797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rxq->rx_desc_dma 798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek + nexti * sizeof(*rx_desc)); 799c491bf1205485c83086bf4f2f26ca6598d48133aRami Rosen rx_desc->rx_ctrl = MWL8K_RX_CTRL_OWNED_BY_HOST; 800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq->rx_desc_count < MWL8K_RX_DESCS && limit--) { 813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count++; 821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx = rxq->rx_tail; 823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_tail = (rx + 1) % MWL8K_RX_DESCS; 824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].pkt_phys_addr = 826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(pci_map_single(priv->pdev, skb->data, 827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE)); 828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].pkt_len = cpu_to_le16(MWL8K_RX_MAXSZ); 830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[rx] = skb; 831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area[rx].rx_ctrl = 0; 833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rxq->rx_skb[i] != NULL) { 849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(rxq->rx_desc_area[i].pkt_phys_addr); 852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, MWL8K_RX_MAXSZ, 853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_FROMDEVICE); 854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree_skb(rxq->rx_skb[i]); 855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[i] = NULL; 856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(rxq->rx_skb); 860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb = NULL; 861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_DESCS * sizeof(struct mwl8k_rx_desc), 864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area, rxq->rx_desc_dma); 865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_area = NULL; 866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !compare_ether_addr(wh->addr3, priv->capture_bssid); 879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 8813779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 8823779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 8843779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 8853779752d764b86077375510b1fd13d8fb2c7c3a5Lennert 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) 8963779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq->rx_desc_count && limit--) { 907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_desc *rx_desc; 908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rx_desc = rxq->rx_desc_area + rxq->rx_head; 914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST)) 915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rmb(); 917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = rxq->rx_skb[rxq->rx_head]; 919d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 920d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_skb[rxq->rx_head] = NULL; 922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_head = (rxq->rx_head + 1) % MWL8K_RX_DESCS; 924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq->rx_desc_count--; 925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(rx_desc->pkt_phys_addr); 927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, 928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb_put(skb, le16_to_cpu(rx_desc->pkt_len)); 93176266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_remove_dma_header(skb); 932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 936c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 937c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 938c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_capture_bssid(priv, wh)) 9413779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&status, 0, sizeof(status)); 944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.mactime = 0; 945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.signal = -rx_desc->rssi; 946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.noise = -rx_desc->noise_level; 947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.qual = rx_desc->link_quality; 948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.antenna = 1; 949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.rate_idx = 1; 950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.flag = 0; 951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.band = IEEE80211_BAND_2GHZ; 952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status.freq = ieee80211_channel_to_frequency(rx_desc->channel); 953f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 954f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 962a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Transmit queue assignment. */ 968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekenum { 969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BK = 0, /* background access */ 970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BE = 1, /* best effort access */ 971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_VI = 2, /* video access */ 972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_VO = 3, /* voice access */ 973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Transmit packet ACK policy */ 976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_NORMAL 0 977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_ACK_POLICY_BLOCKACK 3 978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define GET_TXQ(_ac) (\ 980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_VO) ? MWL8K_WME_AC_VO : \ 981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_VI) ? MWL8K_WME_AC_VI : \ 982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ((_ac) == WME_AC_BK) ? MWL8K_WME_AC_BK : \ 983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_WME_AC_BE) 984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 998d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 next_tx_desc_phys_addr; 1000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 1001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_frag_cnt; 1004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1015ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek memset(&txq->tx_stats, 0, sizeof(struct ieee80211_tx_queue_stats)); 1016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.limit = MWL8K_TX_DESCS; 1017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_head = 0; 1018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_tail = 0; 1019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area = 1023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_alloc_consistent(priv->pdev, size, &txq->tx_desc_dma); 1024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_desc_area == NULL) { 1025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX descriptors\n", 1026c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 1027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(txq->tx_desc_area, 0, size); 1030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->tx_skb), 1032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek GFP_KERNEL); 1033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_skb == NULL) { 1034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX skbuff list\n", 1035c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 1036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, size, 1037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area, txq->tx_desc_dma); 1038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(txq->tx_skb, 0, MWL8K_TX_DESCS * sizeof(*txq->tx_skb)); 1041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + i; 1047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 1050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->next_tx_desc_phys_addr = 1051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(txq->tx_desc_dma + 1052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti * sizeof(*tx_desc)); 1053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_txq_info { 1068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 fw_owned; 1069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 drv_owned; 1070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 unused; 1071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 len; 1072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 head; 1073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 tail; 1074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_scan_tx_ring(struct mwl8k_priv *priv, 1077c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek struct mwl8k_txq_info *txinfo) 1078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count, desc, status; 1080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int ndescs = 0; 1083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1084c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek memset(txinfo, 0, MWL8K_TX_QUEUES * sizeof(struct mwl8k_txq_info)); 1085c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek 1086c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek for (count = 0; count < MWL8K_TX_QUEUES; count++) { 1087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + count; 1088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].len = txq->tx_stats.len; 1089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].head = txq->tx_head; 1090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].tail = txq->tx_tail; 1091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 1092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + desc; 1093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 1096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].fw_owned++; 1097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].drv_owned++; 1099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 1101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[count].unused++; 1102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return ndescs; 1106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1108618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 110988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1110618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 1111950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 111488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 1115ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek u32 count; 1116ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek unsigned long timeout; 1117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 112188de754ad59025eba797e7a8375807755577f450Lennert Buytenhek count = priv->pending_tx_pkts; 112288de754ad59025eba797e7a8375807755577f450Lennert Buytenhek if (count) 112388de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->tx_wait = &tx_wait; 1124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (count) { 1127c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek struct mwl8k_txq_info txinfo[MWL8K_TX_QUEUES]; 1128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 1129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int newcount; 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 113188de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 1132618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek msecs_to_jiffies(5000)); 1133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (timeout) 1134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 1137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 113888de754ad59025eba797e7a8375807755577f450Lennert Buytenhek newcount = priv->pending_tx_pkts; 113988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek mwl8k_scan_tx_ring(priv, txinfo); 1140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1142618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek printk(KERN_ERR "%s(%u) TIMEDOUT:5000ms Pend:%u-->%u\n", 1143950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhek __func__, __LINE__, count, newcount); 1144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1145c3f967d301a76b7053d16817c34191964c457566Lennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) 1146c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "TXQ:%u L:%u H:%u T:%u FW:%u " 1147c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "DRV:%u U:%u\n", 1148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek index, 1149a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].len, 1150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].head, 1151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].tail, 1152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].fw_owned, 1153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].drv_owned, 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txinfo[index].unused); 1155ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ETIMEDOUT; 1157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1162c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1163c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1164c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1165c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) 1168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int wake = 0; 1172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (txq->tx_stats.len > 0) { 1174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1177ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx = txq->tx_head; 1183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc = txq->tx_desc_area + tx; 1184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_head = (tx + 1) % MWL8K_TX_DESCS; 1195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(txq->tx_stats.len == 0); 1196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.len--; 1197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1200ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 120176266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek skb = txq->tx_skb[tx]; 120276266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek txq->tx_skb[tx] = NULL; 1203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 120776266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_remove_dma_header(skb); 1208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 1215ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1220618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek wake = 1; 1221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1223618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (wake && priv->radio_on && !mutex_is_locked(&priv->fw_mutex)) 1224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_wake_queue(hw, index); 1225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, index, 1); 1234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(txq->tx_skb); 1236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_skb = NULL; 1237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area, txq->tx_desc_dma); 1241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_desc_area = NULL; 1242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb) 1246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 124923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 125423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 125523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 125623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 1257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 125823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 125923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 126023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 126123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 126223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 126476266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_add_dma_header(skb); 126523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno = mwl8k_vif->seqno; 127223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl |= cpu_to_le16(seqno << 4); 1275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = seqno++ % 4096; 1276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 127823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 127923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 128023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 128123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 128223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 128323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 128423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_eosp(qos); 128523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Set Queue size to unspecified */ 128623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_qlen(qos, 0xff); 128723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 128823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 128923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 129023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 129123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 129223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Send pkt in an aggregate if AMPDU frame. */ 129323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 129423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_ack(qos, 129523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek MWL8K_TXD_ACK_POLICY_BLOCKACK); 129623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 129723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_ack(qos, 129823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek MWL8K_TXD_ACK_POLICY_NORMAL); 129923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 130023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (qos & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT) 130123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = mwl8k_qos_setbit_amsdu(qos); 130223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 1305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 1306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 1308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: failed to dma map skb, " 1309c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "dropping TX frame.\n", wiphy_name(hw->wiphy)); 131023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 1311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 131423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 1315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 131623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 1317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 131823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek BUG_ON(txq->tx_skb[txq->tx_tail] != NULL); 131923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq->tx_skb[txq->tx_tail] = skb; 1320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 132123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx = txq->tx_desc_area + txq->tx_tail; 132223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 132323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->tx_priority = index; 1324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 1325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 1326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 132723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 132823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->peer_id = mwl8k_vif->peer_id; 1329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 133023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 133123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 133223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq->tx_stats.count++; 1333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_stats.len++; 1334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 1335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 133623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq->tx_tail++; 1337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_tail == MWL8K_TX_DESCS) 1338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq->tx_tail = 0; 133923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (txq->tx_head == txq->tx_tail) 1341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queue(hw, index); 1342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 134323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 1344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1352618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 1353618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 1354618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 1355618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 1356618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 1357618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 1358618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 1359618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 1360618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 1361618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 1362618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 1363618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 1364618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 1365618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 1366618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 1367618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 1368618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 1369618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1370618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1371618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 1372618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 1373618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1374618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 1375618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 1376618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1377618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 1378618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 1379618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 1380618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 1381618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1382618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 1383618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1384618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1385618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 1386618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1387618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1388618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 1389618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1390618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 1391618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 1392618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1393618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 1394618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 1395618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1396618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1397618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 1398618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 1399618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 1400618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 1401618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1402618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 1403618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1404618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1405618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 1406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 1407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Timeout firmware commands after 2000ms */ 1410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 2000 1411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 1413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 1415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 1417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 1418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 1419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 1421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 1422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1423c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek cmd->result = 0xffff; 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 1425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 1428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1430618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 143139a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek if (rc) { 143239a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 143339a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1434618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 143539a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek } 1436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 1438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 1439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 1440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 1445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 1446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1447618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 1448618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1449618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 1450618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 145137055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 145237055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 145337055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 1454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 1455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s timeout after %u ms\n", 1456c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy), 1457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 1458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMD_TIMEOUT_MS); 1459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 1460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 1461ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 1462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 1463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s error 0x%x\n", 1464c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy), 1465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 146676c962a204f8d36b762440aa941fcea3d44e2fd2Lennert Buytenhek le16_to_cpu(cmd->result)); 1467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * GET_HW_SPEC. 1474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_get_hw_spec { 1476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 1478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 1479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 1480d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 1481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 1482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 1483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 1484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 1485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 1487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 1488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 tx_queue_ptrs[MWL8K_TX_QUEUES]; 1489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 1491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 total_rx_desc; 1492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_get_hw_spec(struct ieee80211_hw *hw) 1495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_get_hw_spec *cmd; 1498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 1506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 1509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 1510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rx_desc_dma); 15114ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES); 1512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 1513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].tx_desc_dma); 15144ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 15154ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->total_rx_desc = cpu_to_le32(MWL8K_RX_DESCS); 1516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 1521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 15224ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 1523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 1524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 1532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 1534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 1537ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 1538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1540d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 1541d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 1542d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 1543d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 1544ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1545e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 1546e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, 1547e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 1548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1549e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 1551d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek int allmulti; 1552e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 1553e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1554d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 0; 1555d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (mc_count > priv->num_mcaddrs) { 1556d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 1557d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 1558d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 1559e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1560e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 1561ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1562e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 1563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1564e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 1565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 1567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 1568d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 1569d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 1570d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 1571d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 1572d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 1573d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 1574d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek int i; 1575d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 1576d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 1577d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 1578d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek for (i = 0; i < mc_count && mclist; i++) { 1579d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (mclist->da_addrlen != ETH_ALEN) { 1580d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek kfree(cmd); 1581d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek return NULL; 1582d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 1583d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN); 1584d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mclist = mclist->next; 1585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1588e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 1589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_GET_STAT. 1593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_get_stat { 1595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 1597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 1600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 1601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 1602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 1603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_get_stat(struct ieee80211_hw *hw, 1605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 1606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_get_stat *cmd; 1608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 1615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 1620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 1621a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 1622a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 1623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 1624a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 1625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 1626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 1627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1632a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_RADIO_CONTROL. 1635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1636a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_radio_control { 1637a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1638a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 1640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 1641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1643c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 1644c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekmwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 1645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_radio_control *cmd; 1648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1650c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 1651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1654a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 1658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 166068ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 1661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 1662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 1667c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 1668a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1672c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int mwl8k_cmd_802_11_radio_disable(struct ieee80211_hw *hw) 1673c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 1674c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 0, 0); 1675c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1676c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 1677c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int mwl8k_cmd_802_11_radio_enable(struct ieee80211_hw *hw) 1678c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 1679c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 1, 0); 1680c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1681c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 1682a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 1684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 1686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1687a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL || hw->priv == NULL) 1688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 1689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 1690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 169168ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 1692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1693c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek return mwl8k_cmd_802_11_radio_control(hw, 1, 1); 1694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_802_11_RF_TX_POWER. 1698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1699a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_POWER_LEVEL_TOTAL 8 1700a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_802_11_rf_tx_power { 1702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 1705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 1706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 1707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 1708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_802_11_rf_tx_power(struct ieee80211_hw *hw, int dBm) 1711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_802_11_rf_tx_power *cmd; 1713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1716a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1719a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 1720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 1723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 1732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 1734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 1738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 1740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 1747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1750a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 1757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 1759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 1761d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 1762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1765ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 *mac) 1766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 1768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 1775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 1777d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 1778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 1787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 1789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 1792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 1793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 1796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *channel) 1797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 1799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 1806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 1809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 1810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->channel_flags = cpu_to_le32(0x00000081); 1811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 1812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->channel_flags = cpu_to_le32(0x00000000); 1813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_SLOT. 1822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_slot { 1824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 short_slot; 1827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 18295539bb51295f2c9300a6e467a29bb62bcfe9f4bcLennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 1830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 1832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 1839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 18415539bb51295f2c9300a6e467a29bb62bcfe9f4bcLennert Buytenhek cmd->short_slot = short_slot_time; 1842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MIMO_CONFIG. 1851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mimo_config { 1853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 1855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_antenna_map; 1856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_antenna_map; 1857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 1860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 1862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 1869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 1871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rx_antenna_map = rx; 1872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->tx_antenna_map = tx; 1873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_ENABLE_SNIFFER. 1882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 1884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 1886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable) 1889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 1891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 1898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1899ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 1900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1908ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 1909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 1911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 mode; 1914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_setrateadaptmode(struct ieee80211_hw *hw, __u16 mode) 1917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 1919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 1926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->mode = cpu_to_le16(mode); 1929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_WMM_MODE. 1938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_wmm { 1940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_wmm(struct ieee80211_hw *hw, bool enable) 1945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_wmm *cmd; 1948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1952a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 1955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 19560439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 1957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 19620439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek priv->wmm_enabled = enable; 1963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RTS_THRESHOLD. 1969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_rts_threshold { 1971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 threshold; 1974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rts_threshold(struct ieee80211_hw *hw, 1977733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek u16 action, u16 threshold) 1978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_rts_threshold *cmd; 1980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 1987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(action); 1989733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek cmd->threshold = cpu_to_le16(threshold); 1990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 1999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 2001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 2004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 2007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 2008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Log exponent of max contention period: 0...15*/ 2010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 log_cw_max; 2011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Log exponent of min contention period: 0...15 */ 2013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 log_cw_min; 2014a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 2016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 aifs; 2017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX queue to configure */ 2019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 txq; 2020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 2023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 2024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 2025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 2027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 2028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 2029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 2031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 2032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u16 cw_min, __u16 cw_max, 2033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 aifs, __u16 txop) 2034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 2036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 2043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 2045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 2046ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->log_cw_max = (u8)ilog2(cw_max + 1); 2047ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->log_cw_min = (u8)ilog2(cw_min + 1); 2048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->aifs = aifs; 2049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txq = qnum; 2050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_FINALIZE_JOIN. 2059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* FJ beacon buffer size is compiled into the firmware. */ 2062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 2063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_finalize_join { 2065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 2067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 2068a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame, 2071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u16 framelen, __u16 dtim) 2072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 2074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_mgmt *payload = frame; 2075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 hdrlen; 2076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 payload_len; 2077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (frame == NULL) 2080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 2087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2088ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 2089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(payload->frame_control); 2091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek payload_len = framelen > hdrlen ? framelen - hdrlen : 0; 2093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX TBD Might just have to abort and return an error */ 2095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 2096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s(): WARNING: Incomplete beacon " 2097c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "sent to firmware. Sz=%u MAX=%u\n", __func__, 2098c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek payload_len, MWL8K_FJ_BEACON_MAXLEN); 2099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2100ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 2101ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (payload && payload_len) 2104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 2105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_UPDATE_STADB. 2113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_sta_db { 2115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See STADB_ACTION_TYPE */ 2118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer MAC address */ 2121d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 2122a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 2124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Peer info - valid during add/update. */ 2126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct peer_capability_info peer_info; 2127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_update_sta_db(struct ieee80211_hw *hw, 2130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif, __u32 action) 2131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = &mv_vif->bss_info; 2134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_sta_db *cmd; 2135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct peer_capability_info *peer_info; 2136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 count, *rates; 2139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2144a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 2145a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2146a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2147a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2148a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info = &cmd->peer_info; 2149d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->peer_addr, mv_vif->bssid, ETH_ALEN); 2150a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek switch (action) { 2152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_ADD_ENTRY: 2153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_MODIFY_ENTRY: 2154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Build peer_info block */ 2155a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 2156a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->basic_caps = cpu_to_le16(info->assoc_capability); 2157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->interop = 1; 2158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek peer_info->amsdu_enabled = 0; 2159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rates = peer_info->legacy_rates; 2161ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rates[count] = bitrates[count].hw_value; 2163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == 0) 2166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif->peer_id = peer_info->station_id; 2167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_DEL_ENTRY: 2171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case MWL8K_STA_DB_FLUSH: 2172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 2173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc == 0) 2175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mv_vif->peer_id = 0; 2176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2181a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2184a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_AID. 2185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_INDEX_MAX_ARRAY 14 2187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 2189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 2190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 2191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 2192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_set_aid { 2194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 aid; 2196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* AP's MAC address (BSSID) */ 2198d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 2199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 protection_mode; 2200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 supp_rates[MWL8K_RATE_INDEX_MAX_ARRAY]; 2201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_aid(struct ieee80211_hw *hw, 2204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif) 2205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_bss_conf *info = &mv_vif->bss_info; 2208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 2209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 prot_mode; 2212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 2219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2220a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->aid = cpu_to_le16(info->aid); 2221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2222d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mv_vif->bssid, ETH_ALEN); 2223a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (info->use_cts_prot) { 2225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 2226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 22279ed6bcce77f75d98af6ee07069deac6041948beeJohannes Berg switch (info->ht_operation_mode & 2228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 2229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 2230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 2231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 2233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 2234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 2236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 2237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 2238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2239a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 2241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->supp_rates[count] = bitrates[count].hw_value; 2244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RATE. 2253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_update_rateset { 2255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 legacy_rates[MWL8K_RATE_INDEX_MAX_ARRAY]; 2257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Bitmap for supported MCS codes. */ 2259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_set[MWL8K_IEEE_LEGACY_DATA_RATES]; 2260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 reserved[MWL8K_IEEE_LEGACY_DATA_RATES]; 2261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_update_rateset(struct ieee80211_hw *hw, 2264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif) 2265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mv_vif = MWL8K_VIF(vif); 2267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_update_rateset *cmd; 2268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rate *bitrates = mv_vif->legacy_rates; 2269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 2277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < mv_vif->legacy_nrates; count++) 2280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->legacy_rates[count] = bitrates[count].hw_value; 2281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_USE_FIXED_RATE. 2290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_TABLE_SIZE 8 2292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_UCAST_RATE 0 2293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 2294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_entry { 2296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 if HT rate, 0 if legacy. */ 2297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 is_ht_rate; 2298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 to use retry_count field. */ 2300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 enable_retry; 2301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Specified legacy rate or MCS. */ 2303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate; 2304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Number of allowed retries. */ 2306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 retry_count; 2307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_table { 2310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1 to allow specified rate and below */ 2311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 allow_rate_drop; 2312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_rates; 2313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry rate_entry[MWL8K_RATE_TABLE_SIZE]; 2314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_use_fixed_rate { 2317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_table rate_table; 2320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Unicast, Broadcast or Multicast */ 2322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate_type; 2323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved1; 2324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved2; 2325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw, 2328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 action, u32 rate_type, struct mwl8k_rate_table *rate_table) 2329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_use_fixed_rate *cmd; 2331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 2339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_type = cpu_to_le32(rate_type); 2343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rate_table != NULL) { 2345c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek /* 2346c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Copy over each field manually so that endian 2347c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * conversion can be done. 2348c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek */ 2349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.allow_rate_drop = 2350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->allow_rate_drop); 2351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.num_rates = 2352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->num_rates); 2353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < rate_table->num_rates; count++) { 2355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *dst = 2356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &cmd->rate_table.rate_entry[count]; 2357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *src = 2358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &rate_table->rate_entry[count]; 2359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->is_ht_rate = cpu_to_le32(src->is_ht_rate); 2361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->enable_retry = cpu_to_le32(src->enable_retry); 2362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->rate = cpu_to_le32(src->rate); 2363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->retry_count = cpu_to_le32(src->retry_count); 2364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2370a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2372a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2375a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 2376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2377a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 2378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 2380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 2382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 2387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 2388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) 2390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_schedule(&priv->tx_reclaim_task); 2391a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 2393a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq_process(hw, 0, 1)) 2394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, 1); 2395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 2398618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 2399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 2400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 2403618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 240488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 2405618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 2406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 2409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 2414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 2416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 2419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->current_channel == NULL) { 2422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: dropped TX frame since radio " 2423c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "disabled\n", wiphy_name(hw->wiphy)); 2424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 2426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_xmit(hw, index, skb); 2429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 2434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = request_irq(priv->pdev->irq, &mwl8k_interrupt, 2439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 2440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 2442c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 24432ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 2444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24462ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek /* Enable tx reclaim tasklet */ 24472ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_enable(&priv->tx_reclaim_task); 24482ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 2449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 2450c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24522ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 24532ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 24542ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_802_11_radio_enable(hw); 2455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24562ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 24572ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 2458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24592ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 24602ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 24612ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 24622ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 24632ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 24642ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_cmd_setrateadaptmode(hw, 0); 2465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24662ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 24672ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_set_wmm(hw, 0); 2468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24692ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 24702ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_enable_sniffer(hw, 0); 2471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 24722ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 24732ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 24742ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 24752ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 24762ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 24772ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 24782ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 24792ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 2480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 2485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2489d3cea0b85a31a98630c6fcf7373d486db9612a10Lennert Buytenhek mwl8k_cmd_802_11_radio_disable(hw); 2490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 2492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 2494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 2496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 2498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 2499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 2500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 2501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop tx reclaim tasklet */ 2503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 2506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 2508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 2511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_if_init_conf *conf) 2512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 2515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support one active interface at a time. 2518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif != NULL) 2520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EBUSY; 2521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support managed interfaces for now. 2524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2525240e86efd60e6bc232a072273a7f7794bcb035e0Lennert Buytenhek if (conf->type != NL80211_IFTYPE_STATION) 2526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clean out driver private area */ 2529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(conf->vif); 2530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 2531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Save the mac address */ 2533d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(mwl8k_vif->mac_addr, conf->mac_addr, ETH_ALEN); 2534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Back pointer to parent config block */ 2536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->priv = priv; 2537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Setup initial PHY parameters */ 2539ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek memcpy(mwl8k_vif->legacy_rates, 2540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->rates, sizeof(mwl8k_vif->legacy_rates)); 2541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->legacy_nrates = ARRAY_SIZE(priv->rates); 2542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set Initial sequence number to zero */ 2544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 2545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = conf->vif; 2547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->current_channel = NULL; 2548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2552a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 2553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_if_init_conf *conf) 2554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif == NULL) 2558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 2559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 2561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2563ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 2564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 2566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2567ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 2568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 25697595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 25707595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek mwl8k_cmd_802_11_radio_disable(hw); 25717595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek priv->current_channel = NULL; 2572ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 25737595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 25747595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 2575ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 2576ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2577ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2579ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_802_11_radio_enable(hw); 2580ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2581ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2583ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf->channel); 2584ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2585ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2586ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 2587ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek priv->current_channel = conf->channel; 2588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 2590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 2591ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_cmd_802_11_rf_tx_power(hw, conf->power_level); 2592ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2593ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (mwl8k_cmd_mimo_config(hw, 0x7, 0x7)) 2596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EINVAL; 2597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2598ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 2599ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 2600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2601ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26043a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekstatic void mwl8k_bss_info_changed(struct ieee80211_hw *hw, 26053a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_vif *vif, 26063a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_bss_conf *info, 26073a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek u32 changed) 2608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif); 26113a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 26123a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 26133a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (changed & BSS_CHANGED_BSSID) 26143a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek memcpy(mwl8k_vif->bssid, info->bssid, ETH_ALEN); 26153a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 26163a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) == 0) 26173a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 2618a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2619a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 2620a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26213a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_fw_lock(hw); 2622942457d63fedd08ce7330b89fc2934be02c3feccLennert Buytenhek if (rc) 26233a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 26243a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 2625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (info->assoc) { 2626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(&mwl8k_vif->bss_info, info, 2627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_bss_conf)); 2628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Install rates */ 26303a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_update_rateset(hw, vif); 26313a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26323a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn on rate adaptation */ 26353a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE, 26363a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek MWL8K_UCAST_RATE, NULL); 26373a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26383a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2639a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2640a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set radio preamble */ 26413a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_set_radio_preamble(hw, info->use_short_preamble); 26423a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26433a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set slot time */ 26463a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_set_slot(hw, info->use_short_slot); 26473a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26483a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Update peer rate info */ 26513a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_update_sta_db(hw, vif, 26523a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek MWL8K_STA_DB_MODIFY_ENTRY); 26533a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26543a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set AID */ 26573a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif); 26583a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 26593a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 2660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2661a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 2663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 2664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2665d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(priv->capture_bssid, mwl8k_vif->bssid, ETH_ALEN); 2666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 2667a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 26683a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY); 2669a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(&mwl8k_vif->bss_info, 0, 2670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_bss_conf)); 2671d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(mwl8k_vif->bssid, 0, ETH_ALEN); 2672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 26743a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 26753a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 2676a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2678e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 2679e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 2680e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 2681e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 2682e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2683e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = __mwl8k_cmd_mac_multicast_adr(hw, mc_count, mclist); 2684e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2685e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 2686e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 2687e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 2688e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 2689e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 2690e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 2691e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 2692e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 2693e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2694e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *multicast_adr_cmd; 2695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2696e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 2697e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek *total_flags &= FIF_BCN_PRBRESP_PROMISC; 2698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2699e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (mwl8k_fw_lock(hw)) 2700e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 2701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2702e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 2703e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) 2704e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 2705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else { 2706a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek u8 *bssid; 2707a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 2708a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek bssid = "\x00\x00\x00\x00\x00\x00"; 2709a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek if (priv->vif != NULL) 2710a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek bssid = MWL8K_VIF(priv->vif)->bssid; 2711a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 2712e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 2713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2716e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek multicast_adr_cmd = (void *)(unsigned long)multicast; 2717e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (multicast_adr_cmd != NULL) { 2718e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_post_cmd(hw, multicast_adr_cmd); 2719e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek kfree(multicast_adr_cmd); 2720e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 2721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2722e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 2723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 2726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2727733d3067d3fb168fbbd008cb0ebf5ad2027030f3Lennert Buytenhek return mwl8k_rts_threshold(hw, MWL8K_CMD_SET, value); 2728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue, 2731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 2732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 27333e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 27363e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 27373e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 27383e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 27393e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_set_wmm(hw, 1); 2740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 27413e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) 27423e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_set_edca_params(hw, queue, 27433e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->cw_min, 27443e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->cw_max, 27453e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->aifs, 27463e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek params->txop); 27473e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 27483e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 2749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 27503e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 2751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_tx_stats(struct ieee80211_hw *hw, 2755a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats *stats) 2756a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2757a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 2759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 2760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 2762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) { 2763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + index; 2764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(&stats[index], &txq->tx_stats, 2765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_tx_queue_stats)); 2766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 2768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2769954ef509cc7d795ccd69fa2e01539297e9a003a0Lennert Buytenhek return 0; 2770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 2773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 2774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2775954ef509cc7d795ccd69fa2e01539297e9a003a0Lennert Buytenhek return mwl8k_cmd_802_11_get_stat(hw, stats); 2776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 2779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 2780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 2781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 2782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 2783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 2784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 2785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 27863ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 2787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 2788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 2789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 2790a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_tx_stats = mwl8k_get_tx_stats, 2791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 2792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 2793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_tx_reclaim_handler(unsigned long data) 2795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *) data; 2798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2800a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 2801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2802a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 0); 2803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 280488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek if (priv->tx_wait != NULL && !priv->pending_tx_pkts) { 2805ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek complete(priv->tx_wait); 2806ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek priv->tx_wait = NULL; 2807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 2809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 2812a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2813a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 2814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 2815a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 2816ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek u8 dtim = MWL8K_VIF(priv->vif)->bss_info.dtim_period; 2817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_finalize_join(priv->hw, skb->data, skb->len, dtim); 2819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 2822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __devinit mwl8k_probe(struct pci_dev *pdev, 2825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct pci_device_id *id) 2826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 28272aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek static int printed_version = 0; 2828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 2829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 2830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 28322aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek 28332aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek if (!printed_version) { 28342aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 28352aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printed_version = 1; 28362aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek } 2837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_enable_device(pdev); 2839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot enable new PCI device\n", 2841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 2842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_request_regions(pdev, MWL8K_NAME); 2846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 2848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 2849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_master(pdev); 2853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 2855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) { 2856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 2857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ENOMEM; 2858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_reg; 2859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 2862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw = hw; 2863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pdev = pdev; 28640439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek priv->wmm_enabled = false; 2865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts = 0; 2866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_DEV(hw, &pdev->dev); 2868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, hw); 2869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs = pci_iomap(pdev, 1, 0x10000); 2871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs == NULL) { 2872c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot map device memory\n", 2873c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 2874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 2875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels)); 2878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.band = IEEE80211_BAND_2GHZ; 2879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.channels = priv->channels; 2880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_channels = ARRAY_SIZE(mwl8k_channels); 2881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.bitrates = priv->rates; 2882a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_bitrates = ARRAY_SIZE(mwl8k_rates); 2883a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; 2884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2885a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates) != sizeof(mwl8k_rates)); 2886a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->rates, mwl8k_rates, sizeof(mwl8k_rates)); 2887a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2888a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Extra headroom is the size of the required DMA header 2890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * minus the size of the smallest 802.11 frame (CTS frame). 2891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->extra_tx_headroom = 2893a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 2894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2895a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->channel_change_time = 10; 2896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->queues = MWL8K_TX_QUEUES; 2898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2899240e86efd60e6bc232a072273a7f7794bcb035e0Lennert Buytenhek hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 2900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set rssi and noise values to dBm */ 2902ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; 2903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->vif_data_size = sizeof(struct mwl8k_vif); 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 2905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set default radio state and preamble */ 2907c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = 0; 290868ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = 0; 2909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Finalize join worker */ 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 2912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX reclaim tasklet */ 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_init(&priv->tx_reclaim_task, 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_reclaim_handler, (unsigned long)hw); 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Power management cookie */ 2919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 2920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie == NULL) 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 2924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2928618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_init(&priv->fw_mutex); 2929618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 2930618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth = 0; 2931618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 2932618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 2933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_init(&priv->tx_lock); 2934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 293588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->tx_wait = NULL; 293688de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 2937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) { 2938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_init(hw, i); 2939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 2940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 2941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2944c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2945a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 2946a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 2947a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2948a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = request_irq(priv->pdev->irq, &mwl8k_interrupt, 2949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 2950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 2952c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 2953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 2954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2956a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Reset firmware and hardware */ 2957a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 2958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 2960a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_request_firmware(priv, (u32)id->driver_data); 2961a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2962c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Firmware files not found\n", 2963c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 2964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_irq; 2965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Load firmware into hardware */ 2968c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_firmware(hw); 2969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2970c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot start firmware\n", 2971c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 2972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 2973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 2976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_firmware(priv); 2977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 2980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * commands use interrupts and avoids polling. Disable 2981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2983c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 2986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_cmd_get_hw_spec(hw); 2987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2988c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot initialise firmware\n", 2989c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 2990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 2991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 2994c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek rc = mwl8k_cmd_802_11_radio_disable(hw); 2995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2996c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot disable\n", wiphy_name(hw->wiphy)); 2997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 2998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 3001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = ieee80211_register_hw(hw); 3005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3006c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot register device\n", 3007c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_stop_firmware; 3009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30112aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printk(KERN_INFO "%s: 88w%u v%d, %pM, firmware version %u.%u.%u.%u\n", 30122aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek wiphy_name(hw->wiphy), priv->part_num, priv->hw_rev, 30132aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek hw->wiphy->perm_addr, 30142aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 30152aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 3016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 3018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_stop_firmware: 3020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_firmware(priv); 3022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 3024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 3028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_iounmap: 3033a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 3034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 3035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 3036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 3038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 3044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3050230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_shutdown(struct pci_dev *pdev) 3051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); 3053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3055230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_remove(struct pci_dev *pdev) 3056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 3058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 3062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 3066a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 306760aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 306860aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 3069a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Remove tx reclaim tasklet */ 3070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_kill(&priv->tx_reclaim_task); 3071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 3073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 3076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3077a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 3078a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3084c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 3085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 3094a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 3095a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .id_table = mwl8k_table, 3096a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 3097a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove = __devexit_p(mwl8k_remove), 3098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .shutdown = __devexit_p(mwl8k_shutdown), 3099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __init mwl8k_init(void) 3102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return pci_register_driver(&mwl8k_driver); 3104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void __exit mwl8k_exit(void) 3107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unregister_driver(&mwl8k_driver); 3109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_init(mwl8k_init); 3112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_exit(mwl8k_exit); 3113c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 3114c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 3115c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 3116c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 3117c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 3118