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Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
-rw-r--r--drivers/net/wireless/ath/ath9k/htc.h3
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_beacon.c27
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_gpio.c3
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_init.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_main.c7
-rw-r--r--drivers/net/wireless/ath/ath9k/wmi.c97
-rw-r--r--drivers/net/wireless/ath/ath9k/wmi.h7
7 files changed, 89 insertions, 57 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 133fc6dc392..20511af33f5 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -497,7 +497,8 @@ void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
struct ieee80211_vif *vif);
void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
-void ath9k_htc_swba(struct ath9k_htc_priv *priv);
+void ath9k_htc_swba(struct ath9k_htc_priv *priv,
+ struct wmi_event_swba *swba);
void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
enum htc_endpoint_id ep_id);
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
index 48bc28823f6..2180a9da380 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c
@@ -401,10 +401,10 @@ static void ath9k_htc_send_beacon(struct ath9k_htc_priv *priv,
spin_unlock_bh(&priv->beacon_lock);
}
-static int ath9k_htc_choose_bslot(struct ath9k_htc_priv *priv)
+static int ath9k_htc_choose_bslot(struct ath9k_htc_priv *priv,
+ struct wmi_event_swba *swba)
{
struct ath_common *common = ath9k_hw_common(priv->ah);
- unsigned long flags;
u64 tsf;
u32 tsftu;
u16 intval;
@@ -412,10 +412,7 @@ static int ath9k_htc_choose_bslot(struct ath9k_htc_priv *priv)
intval = priv->cur_beacon_conf.beacon_interval & ATH9K_BEACON_PERIOD;
- spin_lock_irqsave(&priv->wmi->wmi_lock, flags);
- tsf = priv->wmi->tsf;
- spin_unlock_irqrestore(&priv->wmi->wmi_lock, flags);
-
+ tsf = be64_to_cpu(swba->tsf);
tsftu = TSF_TO_TU(tsf >> 32, tsf);
slot = ((tsftu % intval) * ATH9K_HTC_MAX_BCN_VIF) / intval;
slot = ATH9K_HTC_MAX_BCN_VIF - slot - 1;
@@ -427,33 +424,31 @@ static int ath9k_htc_choose_bslot(struct ath9k_htc_priv *priv)
return slot;
}
-void ath9k_htc_swba(struct ath9k_htc_priv *priv)
+void ath9k_htc_swba(struct ath9k_htc_priv *priv,
+ struct wmi_event_swba *swba)
{
struct ath_common *common = ath9k_hw_common(priv->ah);
- unsigned long flags;
int slot;
- spin_lock_irqsave(&priv->wmi->wmi_lock, flags);
- if (priv->wmi->beacon_pending != 0) {
- spin_unlock_irqrestore(&priv->wmi->wmi_lock, flags);
+ if (swba->beacon_pending != 0) {
priv->cur_beacon_conf.bmiss_cnt++;
if (priv->cur_beacon_conf.bmiss_cnt > BSTUCK_THRESHOLD) {
- ath_dbg(common, ATH_DBG_BEACON,
+ ath_dbg(common, ATH_DBG_BSTUCK,
"Beacon stuck, HW reset\n");
- ath9k_htc_reset(priv);
+ ieee80211_queue_work(priv->hw,
+ &priv->fatal_work);
}
return;
}
- spin_unlock_irqrestore(&priv->wmi->wmi_lock, flags);
if (priv->cur_beacon_conf.bmiss_cnt) {
- ath_dbg(common, ATH_DBG_BEACON,
+ ath_dbg(common, ATH_DBG_BSTUCK,
"Resuming beacon xmit after %u misses\n",
priv->cur_beacon_conf.bmiss_cnt);
priv->cur_beacon_conf.bmiss_cnt = 0;
}
- slot = ath9k_htc_choose_bslot(priv);
+ slot = ath9k_htc_choose_bslot(priv, swba);
spin_lock_bh(&priv->beacon_lock);
if (priv->cur_beacon_conf.bslot[slot] == NULL) {
spin_unlock_bh(&priv->beacon_lock);
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
index 7e630a81b45..459ba0d36f4 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
@@ -436,6 +436,9 @@ void ath9k_htc_radio_disable(struct ieee80211_hw *hw)
/* Stop RX */
WMI_CMD(WMI_STOP_RECV_CMDID);
+ /* Clear the WMI event queue */
+ ath9k_wmi_event_drain(priv);
+
/*
* The MIB counters have to be disabled here,
* since the target doesn't do it.
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index b1c68bff72a..921d76f3201 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -676,8 +676,6 @@ 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->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,
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 8f38075d124..81dfe0782f7 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -202,6 +202,8 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv)
WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
WMI_CMD(WMI_STOP_RECV_CMDID);
+ ath9k_wmi_event_drain(priv);
+
caldata = &priv->caldata;
ret = ath9k_hw_reset(ah, ah->curchan, caldata, false);
if (ret) {
@@ -255,6 +257,8 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
WMI_CMD(WMI_STOP_RECV_CMDID);
+ ath9k_wmi_event_drain(priv);
+
ath_dbg(common, ATH_DBG_CONFIG,
"(%u MHz) -> (%u MHz), HT: %d, HT40: %d fastcc: %d\n",
priv->ah->curchan->channel,
@@ -1172,12 +1176,13 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
WMI_CMD(WMI_STOP_RECV_CMDID);
- tasklet_kill(&priv->swba_tasklet);
tasklet_kill(&priv->rx_tasklet);
tasklet_kill(&priv->tx_tasklet);
skb_queue_purge(&priv->tx_queue);
+ ath9k_wmi_event_drain(priv);
+
mutex_unlock(&priv->mutex);
/* Cancel all the running timers/work .. */
diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c
index a39552b3077..45784754dbc 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -104,9 +104,12 @@ struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv)
wmi->drv_priv = priv;
wmi->stopped = false;
+ skb_queue_head_init(&wmi->wmi_event_queue);
mutex_init(&wmi->op_mutex);
mutex_init(&wmi->multi_write_mutex);
init_completion(&wmi->cmd_wait);
+ tasklet_init(&wmi->wmi_event_tasklet, ath9k_wmi_event_tasklet,
+ (unsigned long)wmi);
return wmi;
}
@@ -122,11 +125,64 @@ void ath9k_deinit_wmi(struct ath9k_htc_priv *priv)
kfree(priv->wmi);
}
-void ath9k_swba_tasklet(unsigned long data)
+void ath9k_wmi_event_drain(struct ath9k_htc_priv *priv)
{
- struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *)data;
+ unsigned long flags;
- ath9k_htc_swba(priv);
+ tasklet_kill(&priv->wmi->wmi_event_tasklet);
+ spin_lock_irqsave(&priv->wmi->wmi_lock, flags);
+ __skb_queue_purge(&priv->wmi->wmi_event_queue);
+ spin_unlock_irqrestore(&priv->wmi->wmi_lock, flags);
+}
+
+void ath9k_wmi_event_tasklet(unsigned long data)
+{
+ struct wmi *wmi = (struct wmi *)data;
+ struct ath9k_htc_priv *priv = wmi->drv_priv;
+ struct wmi_cmd_hdr *hdr;
+ void *wmi_event;
+ struct wmi_event_swba *swba;
+ struct sk_buff *skb = NULL;
+ unsigned long flags;
+ u16 cmd_id;
+#ifdef CONFIG_ATH9K_HTC_DEBUGFS
+ __be32 txrate;
+#endif
+
+ do {
+ spin_lock_irqsave(&wmi->wmi_lock, flags);
+ skb = __skb_dequeue(&wmi->wmi_event_queue);
+ if (!skb) {
+ spin_unlock_irqrestore(&wmi->wmi_lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&wmi->wmi_lock, flags);
+
+ hdr = (struct wmi_cmd_hdr *) skb->data;
+ cmd_id = be16_to_cpu(hdr->command_id);
+ wmi_event = skb_pull(skb, sizeof(struct wmi_cmd_hdr));
+
+ switch (cmd_id) {
+ case WMI_SWBA_EVENTID:
+ swba = (struct wmi_event_swba *) wmi_event;
+ ath9k_htc_swba(priv, swba);
+ 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
+ txrate = ((struct wmi_event_txrate *)wmi_event)->txrate;
+ wmi->drv_priv->debug.txrate = be32_to_cpu(txrate);
+#endif
+ break;
+ default:
+ break;
+ }
+
+ kfree_skb(skb);
+ } while (1);
}
void ath9k_fatal_work(struct work_struct *work)
@@ -155,11 +211,6 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb,
struct wmi *wmi = (struct wmi *) priv;
struct wmi_cmd_hdr *hdr;
u16 cmd_id;
- void *wmi_event;
- struct wmi_event_swba *swba;
-#ifdef CONFIG_ATH9K_HTC_DEBUGFS
- __be32 txrate;
-#endif
if (unlikely(wmi->stopped))
goto free_skb;
@@ -168,32 +219,10 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb,
cmd_id = be16_to_cpu(hdr->command_id);
if (cmd_id & 0x1000) {
- wmi_event = skb_pull(skb, sizeof(struct wmi_cmd_hdr));
- switch (cmd_id) {
- case WMI_SWBA_EVENTID:
- swba = (struct wmi_event_swba *) wmi_event;
-
- spin_lock(&wmi->wmi_lock);
- wmi->tsf = be64_to_cpu(swba->tsf);
- wmi->beacon_pending = swba->beacon_pending;
- spin_unlock(&wmi->wmi_lock);
-
- 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
- txrate = ((struct wmi_event_txrate *)wmi_event)->txrate;
- wmi->drv_priv->debug.txrate = be32_to_cpu(txrate);
-#endif
- break;
- default:
- break;
- }
- kfree_skb(skb);
+ spin_lock(&wmi->wmi_lock);
+ __skb_queue_tail(&wmi->wmi_event_queue, skb);
+ spin_unlock(&wmi->wmi_lock);
+ tasklet_schedule(&wmi->wmi_event_tasklet);
return;
}
diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h
index 2fa91a941a7..ff5ba2b30ec 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.h
+++ b/drivers/net/wireless/ath/ath9k/wmi.h
@@ -106,13 +106,13 @@ struct wmi {
struct mutex op_mutex;
struct completion cmd_wait;
enum wmi_cmd_id last_cmd_id;
+ struct sk_buff_head wmi_event_queue;
+ struct tasklet_struct wmi_event_tasklet;
u16 tx_seq_id;
u8 *cmd_rsp_buf;
u32 cmd_rsp_len;
bool stopped;
- u64 tsf;
- u8 beacon_pending;
spinlock_t wmi_lock;
atomic_t mwrite_cnt;
@@ -129,8 +129,9 @@ 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_swba_tasklet(unsigned long data);
+void ath9k_wmi_event_tasklet(unsigned long data);
void ath9k_fatal_work(struct work_struct *work);
+void ath9k_wmi_event_drain(struct ath9k_htc_priv *priv);
#define WMI_CMD(_wmi_cmd) \
do { \
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-20 18:28:38 +0000