mac80211: lazily stop queues in add_pending (4644ae89) · Commits · 戴 / test

When adding pending SKBs there's no need to stop all queues, we only need to stop those that we're adding frames to. Implement that by lazily stopping a queue as we add an SKB. Signed-off-by:

Johannes Berg <johannes.berg@intel.com> Signed-off-by:

John W. Linville <linville@tuxdriver.com>

net/mac80211/util.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -385,10 +385,6 @@ void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
		int queue, i;

		spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
		for (i = 0; i < hw->queues; i++)
		__ieee80211_stop_queue(hw, i,
		IEEE80211_QUEUE_STOP_REASON_SKB_ADD);

		while ((skb = skb_dequeue(skbs))) {
		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);

		@@ -398,6 +394,10 @@ void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
		}

		queue = skb_get_queue_mapping(skb);

		__ieee80211_stop_queue(hw, queue,
		IEEE80211_QUEUE_STOP_REASON_SKB_ADD);

		__skb_queue_tail(&local->pending[queue], skb);
		}

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