diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
24 files changed, 623 insertions, 420 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c index fdb5a83..f8a7771 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c @@ -22,7 +22,7 @@ int modparam_force_new_ani; module_param_named(force_new_ani, modparam_force_new_ani, int, 0444); -MODULE_PARM_DESC(nohwcrypt, "Force new ANI for AR5008, AR9001, AR9002"); +MODULE_PARM_DESC(force_new_ani, "Force new ANI for AR5008, AR9001, AR9002"); /* General hardware code for the A5008/AR9001/AR9002 hadware families */ diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index 7ae66a8..7d68d61 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -203,13 +203,14 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah, for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz); + if (AR_NO_SPUR == cur_bb_spur) + break; + if (is2GHz) cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_2GHZ; else cur_bb_spur = (cur_bb_spur / 10) + AR_BASE_FREQ_5GHZ; - if (AR_NO_SPUR == cur_bb_spur) - break; cur_bb_spur = cur_bb_spur - freq; if (IS_CHAN_HT40(chan)) { diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 466d2bf..4819747 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -59,6 +59,8 @@ #define CTL(_tpower, _flag) ((_tpower) | ((_flag) << 6)) +#define EEPROM_DATA_LEN_9485 1088 + static int ar9003_hw_power_interpolate(int32_t x, int32_t *px, int32_t *py, u_int16_t np); @@ -3368,7 +3370,7 @@ found: "Found block at %x: code=%d ref=%d length=%d major=%d minor=%d\n", cptr, code, reference, length, major, minor); if ((!AR_SREV_9485(ah) && length >= 1024) || - (AR_SREV_9485(ah) && length >= (4 * 1024))) { + (AR_SREV_9485(ah) && length > EEPROM_DATA_LEN_9485)) { ath_dbg(common, ATH_DBG_EEPROM, "Skipping bad header\n"); cptr -= COMP_HDR_LEN; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c index b6e4ee4..4ceddbb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c @@ -613,9 +613,9 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs, * possibly be reviewing the last subframe. AR_CRCErr * is the CRC of the actual data. */ - if (rxsp->status11 & AR_CRCErr) { + if (rxsp->status11 & AR_CRCErr) rxs->rs_status |= ATH9K_RXERR_CRC; - } else if (rxsp->status11 & AR_PHYErr) { + if (rxsp->status11 & AR_PHYErr) { phyerr = MS(rxsp->status11, AR_PHYErrCode); /* * If we reach a point here where AR_PostDelimCRCErr is @@ -638,11 +638,12 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs, rxs->rs_phyerr = phyerr; } - } else if (rxsp->status11 & AR_DecryptCRCErr) { + } + if (rxsp->status11 & AR_DecryptCRCErr) rxs->rs_status |= ATH9K_RXERR_DECRYPT; - } else if (rxsp->status11 & AR_MichaelErr) { + if (rxsp->status11 & AR_MichaelErr) rxs->rs_status |= ATH9K_RXERR_MIC; - } else if (rxsp->status11 & AR_KeyMiss) + if (rxsp->status11 & AR_KeyMiss) rxs->rs_status |= ATH9K_RXERR_DECRYPT; } diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 2c31f51..3681caf5 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -664,11 +664,13 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz) } extern struct ieee80211_ops ath9k_ops; -extern int modparam_nohwcrypt; +extern int ath9k_modparam_nohwcrypt; extern int led_blink; extern int ath9k_pm_qos_value; +extern bool is_ath9k_unloaded; irqreturn_t ath_isr(int irq, void *dev); +void ath9k_init_crypto(struct ath_softc *sc); int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid, const struct ath_bus_ops *bus_ops); void ath9k_deinit_device(struct ath_softc *sc); diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 5e108c0..385ba03 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -566,8 +566,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc, * last beacon we received (which may be none). */ dtimperiod = conf->dtim_period; - if (dtimperiod <= 0) /* NB: 0 if not known */ - dtimperiod = 1; dtimcount = conf->dtim_count; if (dtimcount >= dtimperiod) /* NB: sanity check */ dtimcount = 0; @@ -575,8 +573,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc, cfpcount = 0; sleepduration = conf->listen_interval * intval; - if (sleepduration <= 0) - sleepduration = intval; /* * Pull nexttbtt forward to reflect the current @@ -662,8 +658,7 @@ static void ath_beacon_config_sta(struct ath_softc *sc, } static void ath_beacon_config_adhoc(struct ath_softc *sc, - struct ath_beacon_config *conf, - struct ieee80211_vif *vif) + struct ath_beacon_config *conf) { struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); @@ -718,18 +713,17 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif) /* Setup the beacon configuration parameters */ if (vif) { struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; - iftype = vif->type; - cur_conf->beacon_interval = bss_conf->beacon_int; cur_conf->dtim_period = bss_conf->dtim_period; + } else { + iftype = sc->sc_ah->opmode; + } + cur_conf->listen_interval = 1; cur_conf->dtim_count = 1; cur_conf->bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval; - } else { - iftype = sc->sc_ah->opmode; - } /* * It looks like mac80211 may end up using beacon interval of zero in @@ -740,13 +734,20 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif) if (cur_conf->beacon_interval == 0) cur_conf->beacon_interval = 100; + /* + * Some times we dont parse dtim period from mac80211, in that case + * use a default value + */ + if (cur_conf->dtim_period == 0) + cur_conf->dtim_period = 1; + switch (iftype) { case NL80211_IFTYPE_AP: ath_beacon_config_ap(sc, cur_conf); break; case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_MESH_POINT: - ath_beacon_config_adhoc(sc, cur_conf, vif); + ath_beacon_config_adhoc(sc, cur_conf); break; case NL80211_IFTYPE_STATION: ath_beacon_config_sta(sc, cur_conf); diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h index f6f09d1..58e2ddc 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.h +++ b/drivers/net/wireless/ath/ath9k/eeprom.h @@ -23,8 +23,6 @@ #include <net/cfg80211.h> #include "ar9003_eeprom.h" -#define AH_USE_EEPROM 0x1 - #ifdef __BIG_ENDIAN #define AR5416_EEPROM_MAGIC 0x5aa5 #else diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 22b68b3..5ab3084 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -153,16 +153,36 @@ static void hif_usb_tx_cb(struct urb *urb) case -ENODEV: case -ESHUTDOWN: /* - * The URB has been killed, free the SKBs - * and return. + * The URB has been killed, free the SKBs. */ ath9k_skb_queue_purge(hif_dev, &tx_buf->skb_queue); - return; + + /* + * If the URBs are being flushed, no need to add this + * URB to the free list. + */ + spin_lock(&hif_dev->tx.tx_lock); + if (hif_dev->tx.flags & HIF_USB_TX_FLUSH) { + spin_unlock(&hif_dev->tx.tx_lock); + return; + } + spin_unlock(&hif_dev->tx.tx_lock); + + /* + * In the stop() case, this URB has to be added to + * the free list. + */ + goto add_free; default: break; } - /* Check if TX has been stopped */ + /* + * Check if TX has been stopped, this is needed because + * this CB could have been invoked just after the TX lock + * was released in hif_stop() and kill_urb() hasn't been + * called yet. + */ spin_lock(&hif_dev->tx.tx_lock); if (hif_dev->tx.flags & HIF_USB_TX_STOP) { spin_unlock(&hif_dev->tx.tx_lock); @@ -314,6 +334,7 @@ static void hif_usb_start(void *hif_handle, u8 pipe_id) static void hif_usb_stop(void *hif_handle, u8 pipe_id) { struct hif_device_usb *hif_dev = (struct hif_device_usb *)hif_handle; + struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL; unsigned long flags; spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); @@ -321,6 +342,12 @@ static void hif_usb_stop(void *hif_handle, u8 pipe_id) hif_dev->tx.tx_skb_cnt = 0; hif_dev->tx.flags |= HIF_USB_TX_STOP; spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); + + /* The pending URBs have to be canceled. */ + list_for_each_entry_safe(tx_buf, tx_buf_tmp, + &hif_dev->tx.tx_pending, list) { + usb_kill_urb(tx_buf->urb); + } } static int hif_usb_send(void *hif_handle, u8 pipe_id, struct sk_buff *skb, @@ -587,6 +614,7 @@ free: static void ath9k_hif_usb_dealloc_tx_urbs(struct hif_device_usb *hif_dev) { struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL; + unsigned long flags; list_for_each_entry_safe(tx_buf, tx_buf_tmp, &hif_dev->tx.tx_buf, list) { @@ -597,6 +625,10 @@ static void ath9k_hif_usb_dealloc_tx_urbs(struct hif_device_usb *hif_dev) kfree(tx_buf); } + spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); + hif_dev->tx.flags |= HIF_USB_TX_FLUSH; + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); + list_for_each_entry_safe(tx_buf, tx_buf_tmp, &hif_dev->tx.tx_pending, list) { usb_kill_urb(tx_buf->urb); @@ -993,16 +1025,16 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface) { struct usb_device *udev = interface_to_usbdev(interface); struct hif_device_usb *hif_dev = usb_get_intfdata(interface); + bool unplugged = (udev->state == USB_STATE_NOTATTACHED) ? true : false; if (hif_dev) { - ath9k_htc_hw_deinit(hif_dev->htc_handle, - (udev->state == USB_STATE_NOTATTACHED) ? true : false); + ath9k_htc_hw_deinit(hif_dev->htc_handle, unplugged); ath9k_htc_hw_free(hif_dev->htc_handle); ath9k_hif_usb_dev_deinit(hif_dev); usb_set_intfdata(interface, NULL); } - if (hif_dev->flags & HIF_USB_START) + if (!unplugged && (hif_dev->flags & HIF_USB_START)) ath9k_hif_usb_reboot(udev); kfree(hif_dev); diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h index e4a5e2e..7b9d863 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.h +++ b/drivers/net/wireless/ath/ath9k/hif_usb.h @@ -64,6 +64,7 @@ struct tx_buf { }; #define HIF_USB_TX_STOP BIT(0) +#define HIF_USB_TX_FLUSH BIT(1) struct hif_usb_tx { u8 flags; diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index fdf9d5f..a099b3e 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -331,17 +331,15 @@ void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv); #define OP_INVALID BIT(0) #define OP_SCANNING BIT(1) -#define OP_FULL_RESET BIT(2) -#define OP_LED_ASSOCIATED BIT(3) -#define OP_LED_ON BIT(4) -#define OP_PREAMBLE_SHORT BIT(5) -#define OP_PROTECT_ENABLE BIT(6) -#define OP_ASSOCIATED BIT(7) -#define OP_ENABLE_BEACON BIT(8) -#define OP_LED_DEINIT BIT(9) -#define OP_UNPLUGGED BIT(10) -#define OP_BT_PRIORITY_DETECTED BIT(11) -#define OP_BT_SCAN BIT(12) +#define OP_LED_ASSOCIATED BIT(2) +#define OP_LED_ON BIT(3) +#define OP_PREAMBLE_SHORT BIT(4) +#define OP_PROTECT_ENABLE BIT(5) +#define OP_ASSOCIATED BIT(6) +#define OP_ENABLE_BEACON BIT(7) +#define OP_LED_DEINIT BIT(8) +#define OP_BT_PRIORITY_DETECTED BIT(9) +#define OP_BT_SCAN BIT(10) struct ath9k_htc_priv { struct device *dev; @@ -378,7 +376,7 @@ struct ath9k_htc_priv { struct ieee80211_vif *vif; struct htc_beacon_config cur_beacon_conf; unsigned int rxfilter; - struct tasklet_struct wmi_tasklet; + struct tasklet_struct swba_tasklet; struct tasklet_struct rx_tasklet; struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; struct ath9k_htc_rx rx; @@ -386,6 +384,7 @@ struct ath9k_htc_priv { struct sk_buff_head tx_queue; struct delayed_work ath9k_ani_work; struct work_struct ps_work; + struct work_struct fatal_work; struct mutex htc_pm_lock; unsigned long ps_usecount; @@ -420,6 +419,8 @@ static inline void ath_read_cachesize(struct ath_common *common, int *csz) common->bus_ops->read_cachesize(common, csz); } +void ath9k_htc_reset(struct ath9k_htc_priv *priv); + void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv); void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, struct ieee80211_vif *vif); @@ -435,6 +436,7 @@ void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb, void ath9k_htc_station_work(struct work_struct *work); void ath9k_htc_aggr_work(struct work_struct *work); void ath9k_ani_work(struct work_struct *work);; +void ath_start_ani(struct ath9k_htc_priv *priv); int ath9k_tx_init(struct ath9k_htc_priv *priv); void ath9k_tx_tasklet(unsigned long data); @@ -457,8 +459,13 @@ void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv); void ath9k_ps_work(struct work_struct *work); bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, enum ath9k_power_mode mode); +void ath_update_txpow(struct ath9k_htc_priv *priv); void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv); +void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw); +void ath9k_htc_radio_enable(struct ieee80211_hw *hw); +void ath9k_htc_radio_disable(struct ieee80211_hw *hw); +void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv); void ath9k_init_leds(struct ath9k_htc_priv *priv); void ath9k_deinit_leds(struct ath9k_htc_priv *priv); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c index 283ff97..fe70f67 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c @@ -1,3 +1,19 @@ +/* + * Copyright (c) 2010 Atheros Communications Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + #include "htc.h" /******************/ @@ -131,3 +147,314 @@ void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv) cancel_delayed_work_sync(&priv->coex_period_work); cancel_delayed_work_sync(&priv->duty_cycle_work); } + +/*******/ +/* 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); +} + +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; +} + +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); +} + +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); +} + +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); +} diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 0f6be35..38433f9 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -142,7 +142,7 @@ static void ath9k_deinit_priv(struct ath9k_htc_priv *priv) { ath9k_htc_exit_debug(priv->ah); ath9k_hw_deinit(priv->ah); - tasklet_kill(&priv->wmi_tasklet); + tasklet_kill(&priv->swba_tasklet); tasklet_kill(&priv->rx_tasklet); tasklet_kill(&priv->tx_tasklet); kfree(priv->ah); @@ -647,13 +647,15 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv, spin_lock_init(&priv->tx_lock); mutex_init(&priv->mutex); mutex_init(&priv->htc_pm_lock); - tasklet_init(&priv->wmi_tasklet, ath9k_wmi_tasklet, + tasklet_init(&priv->swba_tasklet, ath9k_swba_tasklet, (unsigned long)priv); tasklet_init(&priv->rx_tasklet, ath9k_rx_tasklet, (unsigned long)priv); - tasklet_init(&priv->tx_tasklet, ath9k_tx_tasklet, (unsigned long)priv); + tasklet_init(&priv->tx_tasklet, ath9k_tx_tasklet, + (unsigned long)priv); INIT_DELAYED_WORK(&priv->ath9k_ani_work, ath9k_ani_work); INIT_WORK(&priv->ps_work, ath9k_ps_work); + INIT_WORK(&priv->fatal_work, ath9k_fatal_work); /* * Cache line size is used to size and align various @@ -714,8 +716,7 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, IEEE80211_HW_HAS_RATE_CONTROL | IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_PS_NULLFUNC_STACK | - IEEE80211_HW_NEED_DTIM_PERIOD; + IEEE80211_HW_PS_NULLFUNC_STACK; hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | @@ -851,9 +852,6 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, if (ret) goto err_init; - /* The device may have been unplugged earlier. */ - priv->op_flags &= ~OP_UNPLUGGED; - ret = ath9k_init_device(priv, devid, product, drv_info); if (ret) goto err_init; @@ -873,7 +871,7 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug) /* Check if the device has been yanked out. */ if (hotunplug) - htc_handle->drv_priv->op_flags |= OP_UNPLUGGED; + htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED; ath9k_deinit_device(htc_handle->drv_priv); ath9k_deinit_wmi(htc_handle->drv_priv); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index dd17909..845b4c9 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 */ /**********************/ @@ -1218,6 +1014,12 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw) int ret = 0; 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); + mutex_lock(&priv->mutex); if (priv->op_flags & OP_INVALID) { @@ -1226,11 +1028,6 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw) return; } - /* Cancel all the running timers/work .. */ - cancel_work_sync(&priv->ps_work); - cancel_delayed_work_sync(&priv->ath9k_led_blink_work); - ath9k_led_stop_brightness(priv); - ath9k_htc_ps_wakeup(priv); htc_stop(priv->htc); WMI_CMD(WMI_DISABLE_INTR_CMDID); @@ -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); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 4b51ed4..fde9786 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1615,7 +1615,9 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) * simply keep the ATH_DBG_WARN_ON_ONCE() but make * ath9k_hw_setpower() return type void. */ - ATH_DBG_WARN_ON_ONCE(!status); + + if (!(ah->ah_flags & AH_UNPLUGGED)) + ATH_DBG_WARN_ON_ONCE(!status); return status; } diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index b8ffaa5..5a3dfec 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -646,6 +646,10 @@ struct ath_nf_limits { s16 nominal; }; +/* ah_flags */ +#define AH_USE_EEPROM 0x1 +#define AH_UNPLUGGED 0x2 /* The card has been physically removed. */ + struct ath_hw { struct ieee80211_hw *hw; struct ath_common common; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index b0e5e716..767d8b8 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -29,8 +29,8 @@ static unsigned int ath9k_debug = ATH_DBG_DEFAULT; module_param_named(debug, ath9k_debug, uint, 0); MODULE_PARM_DESC(debug, "Debugging mask"); -int modparam_nohwcrypt; -module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444); +int ath9k_modparam_nohwcrypt; +module_param_named(nohwcrypt, ath9k_modparam_nohwcrypt, int, 0444); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption"); int led_blink; @@ -45,6 +45,7 @@ int ath9k_pm_qos_value = ATH9K_PM_QOS_DEFAULT_VALUE; module_param_named(pmqos, ath9k_pm_qos_value, int, S_IRUSR | S_IRGRP | S_IROTH); MODULE_PARM_DESC(pmqos, "User specified PM-QOS value"); +bool is_ath9k_unloaded; /* We use the hw_value as an index into our private channel structure */ #define CHAN2G(_freq, _idx) { \ @@ -372,7 +373,7 @@ fail: #undef DS2PHYS } -static void ath9k_init_crypto(struct ath_softc *sc) +void ath9k_init_crypto(struct ath_softc *sc) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); int i = 0; @@ -647,13 +648,12 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_REPORTS_TX_ACK_STATUS | - IEEE80211_HW_NEED_DTIM_PERIOD; + IEEE80211_HW_REPORTS_TX_ACK_STATUS; if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; - if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt) + if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || ath9k_modparam_nohwcrypt) hw->flags |= IEEE80211_HW_MFP_CAPABLE; hw->wiphy->interface_modes = @@ -899,6 +899,7 @@ module_init(ath9k_init); static void __exit ath9k_exit(void) { + is_ath9k_unloaded = true; ath_ahb_exit(); ath_pci_exit(); ath_rate_control_unregister(); diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index e3d2ebf..180170d 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -692,15 +692,16 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds, if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) { if (ads.ds_rxstatus8 & AR_CRCErr) rs->rs_status |= ATH9K_RXERR_CRC; - else if (ads.ds_rxstatus8 & AR_PHYErr) { + if (ads.ds_rxstatus8 & AR_PHYErr) { rs->rs_status |= ATH9K_RXERR_PHY; phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode); rs->rs_phyerr = phyerr; - } else if (ads.ds_rxstatus8 & AR_DecryptCRCErr) + } + if (ads.ds_rxstatus8 & AR_DecryptCRCErr) rs->rs_status |= ATH9K_RXERR_DECRYPT; - else if (ads.ds_rxstatus8 & AR_MichaelErr) + if (ads.ds_rxstatus8 & AR_MichaelErr) rs->rs_status |= ATH9K_RXERR_MIC; - else if (ads.ds_rxstatus8 & AR_KeyMiss) + if (ads.ds_rxstatus8 & AR_KeyMiss) rs->rs_status |= ATH9K_RXERR_DECRYPT; } diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 8a1691d..f90a6ca 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -285,7 +285,8 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, ath9k_hw_set_interrupts(ah, ah->imask); if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) { - ath_beacon_config(sc, NULL); + if (sc->sc_flags & SC_OP_BEACONS) + ath_beacon_config(sc, NULL); ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); ath_start_ani(common); } @@ -599,7 +600,7 @@ void ath9k_tasklet(unsigned long data) return; } - spin_lock_bh(&sc->sc_pcu_lock); + spin_lock(&sc->sc_pcu_lock); if (!ath9k_hw_check_alive(ah)) ieee80211_queue_work(sc->hw, &sc->hw_check_work); @@ -643,7 +644,7 @@ void ath9k_tasklet(unsigned long data) /* re-enable hardware interrupt */ ath9k_hw_enable_interrupts(ah); - spin_unlock_bh(&sc->sc_pcu_lock); + spin_unlock(&sc->sc_pcu_lock); ath9k_ps_restore(sc); } @@ -1328,6 +1329,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) ath9k_ps_restore(sc); sc->ps_idle = true; + ath9k_set_wiphy_idle(aphy, true); ath_radio_disable(sc, hw); sc->sc_flags |= SC_OP_INVALID; @@ -1455,6 +1457,7 @@ static int ath9k_change_interface(struct ieee80211_hw *hw, struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; struct ath_common *common = ath9k_hw_common(sc->sc_ah); + int ret = 0; ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n"); mutex_lock(&sc->mutex); @@ -1464,7 +1467,8 @@ static int ath9k_change_interface(struct ieee80211_hw *hw, case NL80211_IFTYPE_ADHOC: if (sc->nbcnvifs >= ATH_BCBUF) { ath_err(common, "No beacon slot available\n"); - return -ENOBUFS; + ret = -ENOBUFS; + goto out; } break; case NL80211_IFTYPE_STATION: @@ -1478,14 +1482,15 @@ static int ath9k_change_interface(struct ieee80211_hw *hw, default: ath_err(common, "Interface type %d not yet supported\n", vif->type); - mutex_unlock(&sc->mutex); - return -ENOTSUPP; + ret = -ENOTSUPP; + goto out; } vif->type = new_type; vif->p2p = p2p; +out: mutex_unlock(&sc->mutex); - return 0; + return ret; } static void ath9k_remove_interface(struct ieee80211_hw *hw, @@ -1824,7 +1829,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw, struct ath_common *common = ath9k_hw_common(sc->sc_ah); int ret = 0; - if (modparam_nohwcrypt) + if (ath9k_modparam_nohwcrypt) return -ENOSPC; mutex_lock(&sc->mutex); diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 7ca8499..78ef1f1 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -96,7 +96,7 @@ static void ath_pci_bt_coex_prep(struct ath_common *common) struct pci_dev *pdev = to_pci_dev(sc->dev); u8 aspm; - if (!pdev->is_pcie) + if (!pci_is_pcie(pdev)) return; pci_read_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, &aspm); @@ -264,6 +264,8 @@ static void ath_pci_remove(struct pci_dev *pdev) struct ath_softc *sc = aphy->sc; void __iomem *mem = sc->mem; + if (!is_ath9k_unloaded) + sc->sc_ah->ah_flags |= AH_UNPLUGGED; ath9k_deinit_device(sc); free_irq(sc->irq, sc); ieee80211_free_hw(sc->hw); @@ -309,7 +311,16 @@ static int ath_pci_resume(struct device *device) AR_GPIO_OUTPUT_MUX_AS_OUTPUT); ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1); + /* + * Reset key cache to sane defaults (all entries cleared) instead of + * semi-random values after suspend/resume. + */ + ath9k_ps_wakeup(sc); + ath9k_init_crypto(sc); + ath9k_ps_restore(sc); + sc->ps_idle = true; + ath9k_set_wiphy_idle(aphy, true); ath_radio_disable(sc, hw); return 0; diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 896d129..e451478 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -400,7 +400,7 @@ static void ath_rc_sort_validrates(const struct ath_rate_table *rate_table, } } -static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv) +static void ath_rc_init_valid_rate_idx(struct ath_rate_priv *ath_rc_priv) { u8 i; @@ -408,7 +408,7 @@ static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv) ath_rc_priv->valid_rate_index[i] = 0; } -static inline void ath_rc_set_valid_txmask(struct ath_rate_priv *ath_rc_priv, +static inline void ath_rc_set_valid_rate_idx(struct ath_rate_priv *ath_rc_priv, u8 index, int valid_tx_rate) { BUG_ON(index > ath_rc_priv->rate_table_size); @@ -489,7 +489,7 @@ static u8 ath_rc_init_validrates(struct ath_rate_priv *ath_rc_priv, ath_rc_priv->valid_phy_rateidx[phy][valid_rate_count] = i; ath_rc_priv->valid_phy_ratecnt[phy] += 1; - ath_rc_set_valid_txmask(ath_rc_priv, i, 1); + ath_rc_set_valid_rate_idx(ath_rc_priv, i, 1); hi = i; } } @@ -532,7 +532,7 @@ static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv, ath_rc_priv->valid_phy_rateidx[phy] [valid_rate_count] = j; ath_rc_priv->valid_phy_ratecnt[phy] += 1; - ath_rc_set_valid_txmask(ath_rc_priv, j, 1); + ath_rc_set_valid_rate_idx(ath_rc_priv, j, 1); hi = A_MAX(hi, j); } } @@ -568,7 +568,7 @@ static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv, ath_rc_priv->valid_phy_rateidx[phy] [ath_rc_priv->valid_phy_ratecnt[phy]] = j; ath_rc_priv->valid_phy_ratecnt[phy] += 1; - ath_rc_set_valid_txmask(ath_rc_priv, j, 1); + ath_rc_set_valid_rate_idx(ath_rc_priv, j, 1); hi = A_MAX(hi, j); } } @@ -1210,7 +1210,7 @@ static void ath_rc_init(struct ath_softc *sc, } /* Determine the valid rates */ - ath_rc_init_valid_txmask(ath_rc_priv); + ath_rc_init_valid_rate_idx(ath_rc_priv); for (i = 0; i < WLAN_RC_PHY_MAX; i++) { for (j = 0; j < MAX_TX_RATE_PHY; j++) @@ -1321,7 +1321,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband, struct ath_rate_priv *ath_rc_priv = priv_sta; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr; - int final_ts_idx = 0, tx_status = 0, is_underrun = 0; + int final_ts_idx = 0, tx_status = 0; int long_retry = 0; __le16 fc; int i; @@ -1358,7 +1358,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband, tx_status = 1; ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status, - (is_underrun) ? sc->hw->max_rate_tries : long_retry); + long_retry); /* Check if aggregation has to be enabled for this tid */ if (conf_is_ht(&sc->hw->conf) && diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h index 31a004c..5d984b8 100644 --- a/drivers/net/wireless/ath/ath9k/rc.h +++ b/drivers/net/wireless/ath/ath9k/rc.h @@ -195,7 +195,6 @@ struct ath_rc_stats { * @rate_max_phy: phy index for the max rate * @per: PER for every valid rate in % * @probe_interval: interval for ratectrl to probe for other rates - * @prev_data_rix: rate idx of last data frame * @ht_cap: HT capabilities * @neg_rates: Negotatied rates * @neg_ht_rates: Negotiated HT rates @@ -214,10 +213,8 @@ struct ath_rate_priv { u32 probe_time; u32 per_down_time; u32 probe_interval; - u32 prev_data_rix; struct ath_rateset neg_rates; struct ath_rateset neg_ht_rates; - struct ath_rate_softc *asc; const struct ath_rate_table *rate_table; struct dentry *debugfs_rcstats; diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 00ebed3..b2497b8 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -528,7 +528,8 @@ bool ath_stoprecv(struct ath_softc *sc) sc->rx.rxlink = NULL; spin_unlock_bh(&sc->rx.rxbuflock); - if (unlikely(!stopped)) { + if (!(ah->ah_flags & AH_UNPLUGGED) && + unlikely(!stopped)) { ath_err(ath9k_hw_common(sc->sc_ah), "Could not stop RX, we could be " "confusing the DMA engine when we start RX up\n"); diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index 8f42ea7..dc862f5 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -120,7 +120,7 @@ void ath9k_deinit_wmi(struct ath9k_htc_priv *priv) kfree(priv->wmi); } -void ath9k_wmi_tasklet(unsigned long data) +void ath9k_swba_tasklet(unsigned long data) { struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *)data; struct ath_common *common = ath9k_hw_common(priv->ah); @@ -131,6 +131,16 @@ void ath9k_wmi_tasklet(unsigned long data) } +void ath9k_fatal_work(struct work_struct *work) +{ + struct ath9k_htc_priv *priv = container_of(work, struct ath9k_htc_priv, + fatal_work); + struct ath_common *common = ath9k_hw_common(priv->ah); + + ath_dbg(common, ATH_DBG_FATAL, "FATAL Event received, resetting device\n"); + ath9k_htc_reset(priv); +} + static void ath9k_wmi_rsp_callback(struct wmi *wmi, struct sk_buff *skb) { skb_pull(skb, sizeof(struct wmi_cmd_hdr)); @@ -163,7 +173,11 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb, switch (cmd_id) { case WMI_SWBA_EVENTID: wmi->beacon_pending = *(u8 *)wmi_event; - tasklet_schedule(&wmi->drv_priv->wmi_tasklet); + tasklet_schedule(&wmi->drv_priv->swba_tasklet); + break; + case WMI_FATAL_EVENTID: + ieee80211_queue_work(wmi->drv_priv->hw, + &wmi->drv_priv->fatal_work); break; case WMI_TXRATE_EVENTID: #ifdef CONFIG_ATH9K_HTC_DEBUGFS @@ -250,7 +264,7 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, int time_left, ret = 0; unsigned long flags; - if (wmi->drv_priv->op_flags & OP_UNPLUGGED) + if (ah->ah_flags & AH_UNPLUGGED) return 0; skb = alloc_skb(headroom + cmd_len, GFP_ATOMIC); diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index ac61074a..4208427 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -117,7 +117,8 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, u8 *cmd_buf, u32 cmd_len, u8 *rsp_buf, u32 rsp_len, u32 timeout); -void ath9k_wmi_tasklet(unsigned long data); +void ath9k_swba_tasklet(unsigned long data); +void ath9k_fatal_work(struct work_struct *work); #define WMI_CMD(_wmi_cmd) \ do { \ |