ath9k_htc: Add ANI for AP mode
The time granularity for the ANI task is different for AP and
station mode.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 9733580..f384b358 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -124,7 +124,7 @@
ieee80211_iterate_active_interfaces_atomic(priv->hw,
ath9k_htc_vif_iter, priv);
if (priv->rearm_ani)
- ath_start_ani(priv);
+ ath9k_htc_start_ani(priv);
if (priv->reconfig_beacon) {
ath9k_htc_ps_wakeup(priv);
@@ -192,7 +192,7 @@
mutex_lock(&priv->mutex);
ath9k_htc_ps_wakeup(priv);
- cancel_delayed_work_sync(&priv->ath9k_ani_work);
+ ath9k_htc_stop_ani(priv);
ieee80211_stop_queues(priv->hw);
htc_stop(priv->htc);
WMI_CMD(WMI_DISABLE_INTR_CMDID);
@@ -917,7 +917,7 @@
/* ANI */
/*******/
-void ath_start_ani(struct ath9k_htc_priv *priv)
+void ath9k_htc_start_ani(struct ath9k_htc_priv *priv)
{
struct ath_common *common = ath9k_hw_common(priv->ah);
unsigned long timestamp = jiffies_to_msecs(jiffies);
@@ -926,15 +926,22 @@
common->ani.shortcal_timer = timestamp;
common->ani.checkani_timer = timestamp;
- ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work,
+ priv->op_flags |= OP_ANI_RUNNING;
+
+ ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
}
-void ath9k_ani_work(struct work_struct *work)
+void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv)
+{
+ cancel_delayed_work_sync(&priv->ani_work);
+ priv->op_flags &= ~OP_ANI_RUNNING;
+}
+
+void ath9k_htc_ani_work(struct work_struct *work)
{
struct ath9k_htc_priv *priv =
- container_of(work, struct ath9k_htc_priv,
- ath9k_ani_work.work);
+ container_of(work, struct ath9k_htc_priv, ani_work.work);
struct ath_hw *ah = priv->ah;
struct ath_common *common = ath9k_hw_common(ah);
bool longcal = false;
@@ -943,7 +950,8 @@
unsigned int timestamp = jiffies_to_msecs(jiffies);
u32 cal_interval, short_cal_interval;
- short_cal_interval = ATH_STA_SHORT_CALINTERVAL;
+ short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ?
+ ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL;
/* Only calibrate if awake */
if (ah->power_mode != ATH9K_PM_AWAKE)
@@ -1012,7 +1020,7 @@
if (!common->ani.caldone)
cal_interval = min(cal_interval, (u32)short_cal_interval);
- ieee80211_queue_delayed_work(common->hw, &priv->ath9k_ani_work,
+ ieee80211_queue_delayed_work(common->hw, &priv->ani_work,
msecs_to_jiffies(cal_interval));
}
@@ -1166,7 +1174,7 @@
cancel_work_sync(&priv->fatal_work);
cancel_work_sync(&priv->ps_work);
cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
- cancel_delayed_work_sync(&priv->ath9k_ani_work);
+ ath9k_htc_stop_ani(priv);
ath9k_led_stop_brightness(priv);
mutex_lock(&priv->mutex);
@@ -1271,6 +1279,10 @@
INC_VIF(priv, vif->type);
ath9k_htc_set_opmode(priv);
+ if ((priv->ah->opmode == NL80211_IFTYPE_AP) &&
+ !(priv->op_flags & OP_ANI_RUNNING))
+ ath9k_htc_start_ani(priv);
+
ath_dbg(common, ATH_DBG_CONFIG,
"Attach a VIF of type: %d at idx: %d\n", vif->type, avp->index);
@@ -1307,6 +1319,17 @@
DEC_VIF(priv, vif->type);
ath9k_htc_set_opmode(priv);
+ /*
+ * Stop ANI only if there are no associated station interfaces.
+ */
+ if ((vif->type == NL80211_IFTYPE_AP) && (priv->num_ap_vif == 0)) {
+ priv->rearm_ani = false;
+ ieee80211_iterate_active_interfaces_atomic(priv->hw,
+ ath9k_htc_vif_iter, priv);
+ if (!priv->rearm_ani)
+ ath9k_htc_stop_ani(priv);
+ }
+
ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface at idx: %d\n", avp->index);
ath9k_htc_ps_restore(priv);
@@ -1582,9 +1605,9 @@
bss_conf->assoc);
if (bss_conf->assoc)
- ath_start_ani(priv);
+ ath9k_htc_start_ani(priv);
else
- cancel_delayed_work_sync(&priv->ath9k_ani_work);
+ ath9k_htc_stop_ani(priv);
}
if (changed & BSS_CHANGED_BSSID) {
@@ -1713,7 +1736,7 @@
priv->op_flags |= OP_SCANNING;
spin_unlock_bh(&priv->beacon_lock);
cancel_work_sync(&priv->ps_work);
- cancel_delayed_work_sync(&priv->ath9k_ani_work);
+ ath9k_htc_stop_ani(priv);
mutex_unlock(&priv->mutex);
}