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- From: Felix Fietkau <[email protected]>
- Date: Tue, 19 Mar 2019 11:36:12 +0100
- Subject: [PATCH] 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: 1866760096bf4 ("mac80211: Add TXQ scheduling API")
- Signed-off-by: Felix Fietkau <[email protected]>
- ---
- --- a/net/mac80211/rx.c
- +++ b/net/mac80211/rx.c
- @@ -1508,7 +1508,15 @@ static void sta_ps_start(struct sta_info
- return;
-
- for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); 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);
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