diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx')
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.h | 2 |
3 files changed, 22 insertions, 9 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 433bc03..6dd42c9 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -352,7 +352,8 @@ static struct conf_drv_settings default_conf = { .hci_io_ds = HCI_IO_DS_6MA, }; -static void __wl1271_op_remove_interface(struct wl1271 *wl); +static void __wl1271_op_remove_interface(struct wl1271 *wl, + bool reset_tx_queues); static void wl1271_free_ap_keys(struct wl1271 *wl); @@ -972,10 +973,19 @@ static void wl1271_recovery_work(struct work_struct *work) if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) ieee80211_connection_loss(wl->vif); + /* Prevent spurious TX during FW restart */ + ieee80211_stop_queues(wl->hw); + /* reboot the chipset */ - __wl1271_op_remove_interface(wl); + __wl1271_op_remove_interface(wl, false); ieee80211_restart_hw(wl->hw); + /* + * Its safe to enable TX now - the queues are stopped after a request + * to restart the HW. + */ + ieee80211_wake_queues(wl->hw); + out: mutex_unlock(&wl->mutex); } @@ -1479,7 +1489,8 @@ out: return ret; } -static void __wl1271_op_remove_interface(struct wl1271 *wl) +static void __wl1271_op_remove_interface(struct wl1271 *wl, + bool reset_tx_queues) { int i; @@ -1525,7 +1536,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl) mutex_lock(&wl->mutex); /* let's notify MAC80211 about the remaining pending TX frames */ - wl1271_tx_reset(wl); + wl1271_tx_reset(wl, reset_tx_queues); wl1271_power_off(wl); memset(wl->bssid, 0, ETH_ALEN); @@ -1586,7 +1597,7 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, */ if (wl->vif) { WARN_ON(wl->vif != vif); - __wl1271_op_remove_interface(wl); + __wl1271_op_remove_interface(wl, true); } mutex_unlock(&wl->mutex); diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index cc837bb..ca3ab1c 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -769,8 +769,8 @@ void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid) wl1271_handle_tx_low_watermark(wl); } -/* caller must hold wl->mutex */ -void wl1271_tx_reset(struct wl1271 *wl) +/* caller must hold wl->mutex and TX must be stopped */ +void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues) { int i; struct sk_buff *skb; @@ -806,8 +806,10 @@ void wl1271_tx_reset(struct wl1271 *wl) /* * Make sure the driver is at a consistent state, in case this * function is called from a context other than interface removal. + * This call will always wake the TX queues. */ - wl1271_handle_tx_low_watermark(wl); + if (reset_tx_queues) + wl1271_handle_tx_low_watermark(wl); for (i = 0; i < ACX_TX_DESCRIPTORS; i++) { if (wl->tx_frames[i] == NULL) diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h index fc7835c..832f925 100644 --- a/drivers/net/wireless/wl12xx/tx.h +++ b/drivers/net/wireless/wl12xx/tx.h @@ -185,7 +185,7 @@ static inline int wl1271_tx_get_queue(int queue) void wl1271_tx_work(struct work_struct *work); void wl1271_tx_work_locked(struct wl1271 *wl); void wl1271_tx_complete(struct wl1271 *wl); -void wl1271_tx_reset(struct wl1271 *wl); +void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues); void wl1271_tx_flush(struct wl1271 *wl); u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band); u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set); |