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mac80211: lazily stop queues in add_pending

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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>
This commit is contained in:
Johannes Berg 2012-03-28 11:04:28 +02:00 committed by John W. Linville
parent ada1512526
commit 4644ae8903
1 changed files with 4 additions and 4 deletions
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8
net/mac80211/util.c
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@ -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);
}