mac80211: debounce queue stop/wake (ada15125) · Commits · 戴 / test

When the queue status changes we need to do a fair bit of work, so ignore no-op changes early. Signed-off-by:

net/mac80211/util.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -276,6 +276,9 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
		if (WARN_ON(queue >= hw->queues))
		return;

		if (!test_bit(reason, &local->queue_stop_reasons[queue]))
		return;

		__clear_bit(reason, &local->queue_stop_reasons[queue]);

		if (local->queue_stop_reasons[queue] != 0)
		@@ -323,6 +326,9 @@ 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;

		__set_bit(reason, &local->queue_stop_reasons[queue]);

		rcu_read_lock();