X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fath%2Fath9k%2Fhtc_drv_main.c;h=845b4c938d166090efc045ea11083e1cf0ce0789;hb=0a831cec1b627d2f3f60c6f70a4c649b7caa4fe2;hp=5f75f70db5a73d84f028fbda69607451bc49a5f7;hpb=66e3547431a8738416b508badfb9f326d11dabcc;p=pandora-kernel.git diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 5f75f70db5a7..845b4c938d16 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -24,7 +24,7 @@ static struct dentry *ath9k_debugfs_root; /* Utilities */ /*************/ -static void ath_update_txpow(struct ath9k_htc_priv *priv) +void ath_update_txpow(struct ath9k_htc_priv *priv) { struct ath_hw *ah = priv->ah; @@ -116,6 +116,60 @@ void ath9k_ps_work(struct work_struct *work) ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP); } +void ath9k_htc_reset(struct ath9k_htc_priv *priv) +{ + struct ath_hw *ah = priv->ah; + struct ath_common *common = ath9k_hw_common(ah); + struct ieee80211_channel *channel = priv->hw->conf.channel; + struct ath9k_hw_cal_data *caldata; + enum htc_phymode mode; + __be16 htc_mode; + u8 cmd_rsp; + int ret; + + mutex_lock(&priv->mutex); + ath9k_htc_ps_wakeup(priv); + + if (priv->op_flags & OP_ASSOCIATED) + cancel_delayed_work_sync(&priv->ath9k_ani_work); + + ieee80211_stop_queues(priv->hw); + htc_stop(priv->htc); + WMI_CMD(WMI_DISABLE_INTR_CMDID); + WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); + WMI_CMD(WMI_STOP_RECV_CMDID); + + caldata = &priv->caldata[channel->hw_value]; + ret = ath9k_hw_reset(ah, ah->curchan, caldata, false); + if (ret) { + ath_err(common, + "Unable to reset device (%u Mhz) reset status %d\n", + channel->center_freq, ret); + } + + ath_update_txpow(priv); + + WMI_CMD(WMI_START_RECV_CMDID); + ath9k_host_rx_init(priv); + + mode = ath9k_htc_get_curmode(priv, ah->curchan); + htc_mode = cpu_to_be16(mode); + WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode); + + WMI_CMD(WMI_ENABLE_INTR_CMDID); + htc_start(priv->htc); + + if (priv->op_flags & OP_ASSOCIATED) { + ath9k_htc_beacon_config(priv, priv->vif); + ath_start_ani(priv); + } + + ieee80211_wake_queues(priv->hw); + + ath9k_htc_ps_restore(priv); + mutex_unlock(&priv->mutex); +} + static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, struct ieee80211_hw *hw, struct ath9k_channel *hchan) @@ -123,7 +177,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, struct ath_hw *ah = priv->ah; struct ath_common *common = ath9k_hw_common(ah); struct ieee80211_conf *conf = &common->hw->conf; - bool fastcc = true; + bool fastcc; struct ieee80211_channel *channel = hw->conf.channel; struct ath9k_hw_cal_data *caldata; enum htc_phymode mode; @@ -134,8 +188,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, if (priv->op_flags & OP_INVALID) return -EIO; - if (priv->op_flags & OP_FULL_RESET) - fastcc = false; + fastcc = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL); ath9k_htc_ps_wakeup(priv); htc_stop(priv->htc); @@ -177,23 +230,43 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, goto err; htc_start(priv->htc); - - priv->op_flags &= ~OP_FULL_RESET; err: ath9k_htc_ps_restore(priv); return ret; } +static void __ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) +{ + struct ath_common *common = ath9k_hw_common(priv->ah); + struct ath9k_htc_target_vif hvif; + int ret = 0; + u8 cmd_rsp; + + memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); + memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); + hvif.index = 0; /* Should do for now */ + WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); + priv->nvifs--; +} + static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv) { struct ath_common *common = ath9k_hw_common(priv->ah); struct ath9k_htc_target_vif hvif; + struct ath9k_htc_target_sta tsta; int ret = 0; u8 cmd_rsp; if (priv->nvifs > 0) return -ENOBUFS; + if (priv->nstations >= ATH9K_HTC_MAX_STA) + return -ENOBUFS; + + /* + * Add an interface. + */ + memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); @@ -206,23 +279,57 @@ static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv) return ret; priv->nvifs++; + + /* + * Associate a station with the interface for packet injection. + */ + + memset(&tsta, 0, sizeof(struct ath9k_htc_target_sta)); + + memcpy(&tsta.macaddr, common->macaddr, ETH_ALEN); + + tsta.is_vif_sta = 1; + tsta.sta_index = priv->nstations; + tsta.vif_index = hvif.index; + tsta.maxampdu = 0xffff; + + WMI_CMD_BUF(WMI_NODE_CREATE_CMDID, &tsta); + if (ret) { + ath_err(common, "Unable to add station entry for monitor mode\n"); + goto err_vif; + } + + priv->nstations++; + return 0; + +err_vif: + /* + * Remove the interface from the target. + */ + __ath9k_htc_remove_monitor_interface(priv); + return ret; } static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv) { struct ath_common *common = ath9k_hw_common(priv->ah); - struct ath9k_htc_target_vif hvif; int ret = 0; - u8 cmd_rsp; + u8 cmd_rsp, sta_idx; - memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif)); - memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN); - hvif.index = 0; /* Should do for now */ - WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); - priv->nvifs--; + __ath9k_htc_remove_monitor_interface(priv); - return ret; + sta_idx = 0; /* Only single interface, for now */ + + WMI_CMD_BUF(WMI_NODE_REMOVE_CMDID, &sta_idx); + if (ret) { + ath_err(common, "Unable to remove station entry for monitor mode\n"); + return ret; + } + + priv->nstations--; + + return 0; } static int ath9k_htc_add_station(struct ath9k_htc_priv *priv, @@ -690,7 +797,7 @@ void ath9k_htc_debug_remove_root(void) /* ANI */ /*******/ -static void ath_start_ani(struct ath9k_htc_priv *priv) +void ath_start_ani(struct ath9k_htc_priv *priv) { struct ath_common *common = ath9k_hw_common(priv->ah); unsigned long timestamp = jiffies_to_msecs(jiffies); @@ -789,317 +896,6 @@ set_timer: msecs_to_jiffies(cal_interval)); } -/*******/ -/* LED */ -/*******/ - -static void ath9k_led_blink_work(struct work_struct *work) -{ - struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv, - ath9k_led_blink_work.work); - - if (!(priv->op_flags & OP_LED_ASSOCIATED)) - return; - - if ((priv->led_on_duration == ATH_LED_ON_DURATION_IDLE) || - (priv->led_off_duration == ATH_LED_OFF_DURATION_IDLE)) - ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0); - else - ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, - (priv->op_flags & OP_LED_ON) ? 1 : 0); - - ieee80211_queue_delayed_work(priv->hw, - &priv->ath9k_led_blink_work, - (priv->op_flags & OP_LED_ON) ? - msecs_to_jiffies(priv->led_off_duration) : - msecs_to_jiffies(priv->led_on_duration)); - - priv->led_on_duration = priv->led_on_cnt ? - max((ATH_LED_ON_DURATION_IDLE - priv->led_on_cnt), 25) : - ATH_LED_ON_DURATION_IDLE; - priv->led_off_duration = priv->led_off_cnt ? - max((ATH_LED_OFF_DURATION_IDLE - priv->led_off_cnt), 10) : - ATH_LED_OFF_DURATION_IDLE; - priv->led_on_cnt = priv->led_off_cnt = 0; - - if (priv->op_flags & OP_LED_ON) - priv->op_flags &= ~OP_LED_ON; - else - priv->op_flags |= OP_LED_ON; -} - -static void ath9k_led_brightness_work(struct work_struct *work) -{ - struct ath_led *led = container_of(work, struct ath_led, - brightness_work.work); - struct ath9k_htc_priv *priv = led->priv; - - switch (led->brightness) { - case LED_OFF: - if (led->led_type == ATH_LED_ASSOC || - led->led_type == ATH_LED_RADIO) { - ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, - (led->led_type == ATH_LED_RADIO)); - priv->op_flags &= ~OP_LED_ASSOCIATED; - if (led->led_type == ATH_LED_RADIO) - priv->op_flags &= ~OP_LED_ON; - } else { - priv->led_off_cnt++; - } - break; - case LED_FULL: - if (led->led_type == ATH_LED_ASSOC) { - priv->op_flags |= OP_LED_ASSOCIATED; - ieee80211_queue_delayed_work(priv->hw, - &priv->ath9k_led_blink_work, 0); - } else if (led->led_type == ATH_LED_RADIO) { - ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 0); - priv->op_flags |= OP_LED_ON; - } else { - priv->led_on_cnt++; - } - break; - default: - break; - } -} - -static void ath9k_led_brightness(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev); - struct ath9k_htc_priv *priv = led->priv; - - led->brightness = brightness; - if (!(priv->op_flags & OP_LED_DEINIT)) - ieee80211_queue_delayed_work(priv->hw, - &led->brightness_work, 0); -} - -static void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv) -{ - cancel_delayed_work_sync(&priv->radio_led.brightness_work); - cancel_delayed_work_sync(&priv->assoc_led.brightness_work); - cancel_delayed_work_sync(&priv->tx_led.brightness_work); - cancel_delayed_work_sync(&priv->rx_led.brightness_work); -} - -static int ath9k_register_led(struct ath9k_htc_priv *priv, struct ath_led *led, - char *trigger) -{ - int ret; - - led->priv = priv; - led->led_cdev.name = led->name; - led->led_cdev.default_trigger = trigger; - led->led_cdev.brightness_set = ath9k_led_brightness; - - ret = led_classdev_register(wiphy_dev(priv->hw->wiphy), &led->led_cdev); - if (ret) - ath_err(ath9k_hw_common(priv->ah), - "Failed to register led:%s", led->name); - else - led->registered = 1; - - INIT_DELAYED_WORK(&led->brightness_work, ath9k_led_brightness_work); - - return ret; -} - -static void ath9k_unregister_led(struct ath_led *led) -{ - if (led->registered) { - led_classdev_unregister(&led->led_cdev); - led->registered = 0; - } -} - -void ath9k_deinit_leds(struct ath9k_htc_priv *priv) -{ - priv->op_flags |= OP_LED_DEINIT; - ath9k_unregister_led(&priv->assoc_led); - priv->op_flags &= ~OP_LED_ASSOCIATED; - ath9k_unregister_led(&priv->tx_led); - ath9k_unregister_led(&priv->rx_led); - ath9k_unregister_led(&priv->radio_led); -} - -void ath9k_init_leds(struct ath9k_htc_priv *priv) -{ - char *trigger; - int ret; - - if (AR_SREV_9287(priv->ah)) - priv->ah->led_pin = ATH_LED_PIN_9287; - else if (AR_SREV_9271(priv->ah)) - priv->ah->led_pin = ATH_LED_PIN_9271; - else if (AR_DEVID_7010(priv->ah)) - priv->ah->led_pin = ATH_LED_PIN_7010; - else - priv->ah->led_pin = ATH_LED_PIN_DEF; - - /* Configure gpio 1 for output */ - ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin, - AR_GPIO_OUTPUT_MUX_AS_OUTPUT); - /* LED off, active low */ - ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1); - - INIT_DELAYED_WORK(&priv->ath9k_led_blink_work, ath9k_led_blink_work); - - trigger = ieee80211_get_radio_led_name(priv->hw); - snprintf(priv->radio_led.name, sizeof(priv->radio_led.name), - "ath9k-%s::radio", wiphy_name(priv->hw->wiphy)); - ret = ath9k_register_led(priv, &priv->radio_led, trigger); - priv->radio_led.led_type = ATH_LED_RADIO; - if (ret) - goto fail; - - trigger = ieee80211_get_assoc_led_name(priv->hw); - snprintf(priv->assoc_led.name, sizeof(priv->assoc_led.name), - "ath9k-%s::assoc", wiphy_name(priv->hw->wiphy)); - ret = ath9k_register_led(priv, &priv->assoc_led, trigger); - priv->assoc_led.led_type = ATH_LED_ASSOC; - if (ret) - goto fail; - - trigger = ieee80211_get_tx_led_name(priv->hw); - snprintf(priv->tx_led.name, sizeof(priv->tx_led.name), - "ath9k-%s::tx", wiphy_name(priv->hw->wiphy)); - ret = ath9k_register_led(priv, &priv->tx_led, trigger); - priv->tx_led.led_type = ATH_LED_TX; - if (ret) - goto fail; - - trigger = ieee80211_get_rx_led_name(priv->hw); - snprintf(priv->rx_led.name, sizeof(priv->rx_led.name), - "ath9k-%s::rx", wiphy_name(priv->hw->wiphy)); - ret = ath9k_register_led(priv, &priv->rx_led, trigger); - priv->rx_led.led_type = ATH_LED_RX; - if (ret) - goto fail; - - priv->op_flags &= ~OP_LED_DEINIT; - - return; - -fail: - cancel_delayed_work_sync(&priv->ath9k_led_blink_work); - ath9k_deinit_leds(priv); -} - -/*******************/ -/* Rfkill */ -/*******************/ - -static bool ath_is_rfkill_set(struct ath9k_htc_priv *priv) -{ - return ath9k_hw_gpio_get(priv->ah, priv->ah->rfkill_gpio) == - priv->ah->rfkill_polarity; -} - -static void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw) -{ - struct ath9k_htc_priv *priv = hw->priv; - bool blocked = !!ath_is_rfkill_set(priv); - - wiphy_rfkill_set_hw_state(hw->wiphy, blocked); -} - -void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv) -{ - if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT) - wiphy_rfkill_start_polling(priv->hw->wiphy); -} - -static void ath9k_htc_radio_enable(struct ieee80211_hw *hw) -{ - struct ath9k_htc_priv *priv = hw->priv; - struct ath_hw *ah = priv->ah; - struct ath_common *common = ath9k_hw_common(ah); - int ret; - u8 cmd_rsp; - - if (!ah->curchan) - ah->curchan = ath9k_cmn_get_curchannel(hw, ah); - - /* Reset the HW */ - ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); - if (ret) { - ath_err(common, - "Unable to reset hardware; reset status %d (freq %u MHz)\n", - ret, ah->curchan->channel); - } - - ath_update_txpow(priv); - - /* Start RX */ - WMI_CMD(WMI_START_RECV_CMDID); - ath9k_host_rx_init(priv); - - /* Start TX */ - htc_start(priv->htc); - spin_lock_bh(&priv->tx_lock); - priv->tx_queues_stop = false; - spin_unlock_bh(&priv->tx_lock); - ieee80211_wake_queues(hw); - - WMI_CMD(WMI_ENABLE_INTR_CMDID); - - /* Enable LED */ - ath9k_hw_cfg_output(ah, ah->led_pin, - AR_GPIO_OUTPUT_MUX_AS_OUTPUT); - ath9k_hw_set_gpio(ah, ah->led_pin, 0); -} - -static void ath9k_htc_radio_disable(struct ieee80211_hw *hw) -{ - struct ath9k_htc_priv *priv = hw->priv; - struct ath_hw *ah = priv->ah; - struct ath_common *common = ath9k_hw_common(ah); - int ret; - u8 cmd_rsp; - - ath9k_htc_ps_wakeup(priv); - - /* Disable LED */ - ath9k_hw_set_gpio(ah, ah->led_pin, 1); - ath9k_hw_cfg_gpio_input(ah, ah->led_pin); - - WMI_CMD(WMI_DISABLE_INTR_CMDID); - - /* Stop TX */ - ieee80211_stop_queues(hw); - htc_stop(priv->htc); - WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); - skb_queue_purge(&priv->tx_queue); - - /* Stop RX */ - WMI_CMD(WMI_STOP_RECV_CMDID); - - /* - * The MIB counters have to be disabled here, - * since the target doesn't do it. - */ - ath9k_hw_disable_mib_counters(ah); - - if (!ah->curchan) - ah->curchan = ath9k_cmn_get_curchannel(hw, ah); - - /* Reset the HW */ - ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); - if (ret) { - ath_err(common, - "Unable to reset hardware; reset status %d (freq %u MHz)\n", - ret, ah->curchan->channel); - } - - /* Disable the PHY */ - ath9k_hw_phy_disable(ah); - - ath9k_htc_ps_restore(priv); - ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); -} - /**********************/ /* mac80211 Callbacks */ /**********************/ @@ -1219,6 +1015,7 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw) u8 cmd_rsp; /* Cancel all the running timers/work .. */ + cancel_work_sync(&priv->fatal_work); cancel_work_sync(&priv->ps_work); cancel_delayed_work_sync(&priv->ath9k_led_blink_work); ath9k_led_stop_brightness(priv); @@ -1792,7 +1589,6 @@ static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw) spin_lock_bh(&priv->beacon_lock); priv->op_flags &= ~OP_SCANNING; spin_unlock_bh(&priv->beacon_lock); - priv->op_flags |= OP_FULL_RESET; if (priv->op_flags & OP_ASSOCIATED) { ath9k_htc_beacon_config(priv, priv->vif); ath_start_ani(priv);