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ath9k_htc: Add ANI for AP mode

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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>
This commit is contained in:
Sujith Manoharan 2011-02-21 07:49:38 +05:30 committed by John W. Linville
parent ffbe7c83cb
commit a236254c35
3 changed files with 43 additions and 17 deletions
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9
drivers/net/wireless/ath/ath9k/htc.h
View File

@ -32,6 +32,7 @@
#include "wmi.h"
#define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
#define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
#define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
@ -378,6 +379,7 @@ void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv);
#define OP_LED_DEINIT BIT(5)
#define OP_BT_PRIORITY_DETECTED BIT(6)
#define OP_BT_SCAN BIT(7)
#define OP_ANI_RUNNING BIT(8)
struct ath9k_htc_priv {
struct device *dev;
@ -429,7 +431,7 @@ struct ath9k_htc_priv {
struct ath9k_htc_rx rx;
struct tasklet_struct tx_tasklet;
struct sk_buff_head tx_queue;
struct delayed_work ath9k_ani_work;
struct delayed_work ani_work;
struct work_struct ps_work;
struct work_struct fatal_work;
@ -484,8 +486,9 @@ void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv);
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);
void ath9k_htc_ani_work(struct work_struct *work);
void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
int ath9k_tx_init(struct ath9k_htc_priv *priv);
void ath9k_tx_tasklet(unsigned long data);

2
drivers/net/wireless/ath/ath9k/htc_drv_init.c
View File

@ -679,7 +679,7 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv,
(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_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work);
INIT_WORK(&priv->ps_work, ath9k_ps_work);
INIT_WORK(&priv->fatal_work, ath9k_fatal_work);

49
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -124,7 +124,7 @@ static void ath9k_htc_vif_reconfig(struct ath9k_htc_priv *priv)
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 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv)
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 @@ void ath9k_htc_debug_remove_root(void)
/* 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 @@ void ath_start_ani(struct ath9k_htc_priv *priv)
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 @@ void ath9k_ani_work(struct work_struct *work)
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 @@ void ath9k_ani_work(struct work_struct *work)
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 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
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 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw,
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 @@ static void ath9k_htc_remove_interface(struct ieee80211_hw *hw,
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 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
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 @@ static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
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);
}