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mac80211: un-schedule TXQs on powersave start 

Once a station enters powersave, its queues should not be returned by
ieee80211_next_txq() anymore. They will be re-scheduled again after the
station has woken up again

Fixes: 1866760096 ("mac80211: Add TXQ scheduling API")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2019-03-19 12:00:13 +01:00 committed by Johannes Berg
parent 9a5a90d167
commit b49c15e121
1 changed files with 9 additions and 1 deletions
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10
net/mac80211/rx.c
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@ -1568,7 +1568,15 @@ static void sta_ps_start(struct sta_info *sta)
return;
for (tid = 0; tid < IEEE80211_NUM_TIDS; tid++) {
if (txq_has_queue(sta->sta.txq[tid]))
struct ieee80211_txq *txq = sta->sta.txq[tid];
struct txq_info *txqi = to_txq_info(txq);
spin_lock(&local->active_txq_lock[txq->ac]);
if (!list_empty(&txqi->schedule_order))
list_del_init(&txqi->schedule_order);
spin_unlock(&local->active_txq_lock[txq->ac]);
if (txq_has_queue(txq))
set_bit(tid, &sta->txq_buffered_tids);
else
clear_bit(tid, &sta->txq_buffered_tids);