diff options
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r-- | net/mac80211/util.c | 76 |
1 files changed, 51 insertions, 25 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 6d29e40538ad..4e8513cfdae5 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -317,7 +317,8 @@ void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue) } static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue, - enum queue_stop_reason reason) + enum queue_stop_reason reason, + bool refcounted) { struct ieee80211_local *local = hw_to_local(hw); @@ -329,7 +330,13 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue, if (!test_bit(reason, &local->queue_stop_reasons[queue])) return; - __clear_bit(reason, &local->queue_stop_reasons[queue]); + if (!refcounted) + local->q_stop_reasons[queue][reason] = 0; + else + local->q_stop_reasons[queue][reason]--; + + if (local->q_stop_reasons[queue][reason] == 0) + __clear_bit(reason, &local->queue_stop_reasons[queue]); if (local->queue_stop_reasons[queue] != 0) /* someone still has this queue stopped */ @@ -344,25 +351,28 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue, } void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, - enum queue_stop_reason reason) + enum queue_stop_reason reason, + bool refcounted) { struct ieee80211_local *local = hw_to_local(hw); unsigned long flags; spin_lock_irqsave(&local->queue_stop_reason_lock, flags); - __ieee80211_wake_queue(hw, queue, reason); + __ieee80211_wake_queue(hw, queue, reason, refcounted); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue) { ieee80211_wake_queue_by_reason(hw, queue, - IEEE80211_QUEUE_STOP_REASON_DRIVER); + IEEE80211_QUEUE_STOP_REASON_DRIVER, + false); } EXPORT_SYMBOL(ieee80211_wake_queue); static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue, - enum queue_stop_reason reason) + enum queue_stop_reason reason, + bool refcounted) { struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_sub_if_data *sdata; @@ -373,10 +383,13 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue, if (WARN_ON(queue >= hw->queues)) return; - if (test_bit(reason, &local->queue_stop_reasons[queue])) - return; + if (!refcounted) + local->q_stop_reasons[queue][reason] = 1; + else + local->q_stop_reasons[queue][reason]++; - __set_bit(reason, &local->queue_stop_reasons[queue]); + if (__test_and_set_bit(reason, &local->queue_stop_reasons[queue])) + return; if (local->hw.queues < IEEE80211_NUM_ACS) n_acs = 1; @@ -398,20 +411,22 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue, } void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, - enum queue_stop_reason reason) + enum queue_stop_reason reason, + bool refcounted) { struct ieee80211_local *local = hw_to_local(hw); unsigned long flags; spin_lock_irqsave(&local->queue_stop_reason_lock, flags); - __ieee80211_stop_queue(hw, queue, reason); + __ieee80211_stop_queue(hw, queue, reason, refcounted); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue) { ieee80211_stop_queue_by_reason(hw, queue, - IEEE80211_QUEUE_STOP_REASON_DRIVER); + IEEE80211_QUEUE_STOP_REASON_DRIVER, + false); } EXPORT_SYMBOL(ieee80211_stop_queue); @@ -429,9 +444,11 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local, } spin_lock_irqsave(&local->queue_stop_reason_lock, flags); - __ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD); + __ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD, + false); __skb_queue_tail(&local->pending[queue], skb); - __ieee80211_wake_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD); + __ieee80211_wake_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD, + false); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } @@ -455,20 +472,23 @@ void ieee80211_add_pending_skbs(struct ieee80211_local *local, queue = info->hw_queue; __ieee80211_stop_queue(hw, queue, - IEEE80211_QUEUE_STOP_REASON_SKB_ADD); + IEEE80211_QUEUE_STOP_REASON_SKB_ADD, + false); __skb_queue_tail(&local->pending[queue], skb); } for (i = 0; i < hw->queues; i++) __ieee80211_wake_queue(hw, i, - IEEE80211_QUEUE_STOP_REASON_SKB_ADD); + IEEE80211_QUEUE_STOP_REASON_SKB_ADD, + false); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, unsigned long queues, - enum queue_stop_reason reason) + enum queue_stop_reason reason, + bool refcounted) { struct ieee80211_local *local = hw_to_local(hw); unsigned long flags; @@ -477,7 +497,7 @@ void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, spin_lock_irqsave(&local->queue_stop_reason_lock, flags); for_each_set_bit(i, &queues, hw->queues) - __ieee80211_stop_queue(hw, i, reason); + __ieee80211_stop_queue(hw, i, reason, refcounted); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } @@ -485,7 +505,8 @@ void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, void ieee80211_stop_queues(struct ieee80211_hw *hw) { ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP, - IEEE80211_QUEUE_STOP_REASON_DRIVER); + IEEE80211_QUEUE_STOP_REASON_DRIVER, + false); } EXPORT_SYMBOL(ieee80211_stop_queues); @@ -508,7 +529,8 @@ EXPORT_SYMBOL(ieee80211_queue_stopped); void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, unsigned long queues, - enum queue_stop_reason reason) + enum queue_stop_reason reason, + bool refcounted) { struct ieee80211_local *local = hw_to_local(hw); unsigned long flags; @@ -517,7 +539,7 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, spin_lock_irqsave(&local->queue_stop_reason_lock, flags); for_each_set_bit(i, &queues, hw->queues) - __ieee80211_wake_queue(hw, i, reason); + __ieee80211_wake_queue(hw, i, reason, refcounted); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } @@ -525,7 +547,8 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, void ieee80211_wake_queues(struct ieee80211_hw *hw) { ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP, - IEEE80211_QUEUE_STOP_REASON_DRIVER); + IEEE80211_QUEUE_STOP_REASON_DRIVER, + false); } EXPORT_SYMBOL(ieee80211_wake_queues); @@ -552,12 +575,14 @@ void ieee80211_flush_queues(struct ieee80211_local *local, } ieee80211_stop_queues_by_reason(&local->hw, queues, - IEEE80211_QUEUE_STOP_REASON_FLUSH); + IEEE80211_QUEUE_STOP_REASON_FLUSH, + false); drv_flush(local, sdata, queues, false); ieee80211_wake_queues_by_reason(&local->hw, queues, - IEEE80211_QUEUE_STOP_REASON_FLUSH); + IEEE80211_QUEUE_STOP_REASON_FLUSH, + false); } static void __iterate_active_interfaces(struct ieee80211_local *local, @@ -1797,7 +1822,8 @@ int ieee80211_reconfig(struct ieee80211_local *local) } ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP, - IEEE80211_QUEUE_STOP_REASON_SUSPEND); + IEEE80211_QUEUE_STOP_REASON_SUSPEND, + false); /* * Reconfigure sched scan if it was interrupted by FW restart or |