diff options
author | Felix Fietkau <nbd@nbd.name> | 2022-03-19 21:40:14 +0100 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2022-05-13 09:39:34 +0200 |
commit | 9912a4639d1a0b7f2a7df269bf07069590b98444 (patch) | |
tree | a90c1446f322cd9f8bdc74d65831f0df56ac7f67 /drivers/net/wireless/mediatek/mt76 | |
parent | 7b8e1ae886e45aed9274048f2836a70b75ecfa40 (diff) | |
download | linux-9912a4639d1a0b7f2a7df269bf07069590b98444.tar.bz2 |
mt76: reduce tx queue lock hold time
- call txq dequeue without holding txq lock (locking handled by mac80211)
- disable bh around tx queue schedule
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/tx.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 6b8c9dc80542..830963a65b34 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -463,7 +463,9 @@ mt76_txq_send_burst(struct mt76_phy *phy, struct mt76_queue *q, ieee80211_get_tx_rates(txq->vif, txq->sta, skb, info->control.rates, 1); + spin_lock(&q->lock); idx = __mt76_tx_queue_skb(phy, qid, skb, wcid, txq->sta, &stop); + spin_unlock(&q->lock); if (idx < 0) return idx; @@ -483,14 +485,18 @@ mt76_txq_send_burst(struct mt76_phy *phy, struct mt76_queue *q, ieee80211_get_tx_rates(txq->vif, txq->sta, skb, info->control.rates, 1); + spin_lock(&q->lock); idx = __mt76_tx_queue_skb(phy, qid, skb, wcid, txq->sta, &stop); + spin_unlock(&q->lock); if (idx < 0) break; n_frames++; } while (1); + spin_lock(&q->lock); dev->queue_ops->kick(dev, q); + spin_unlock(&q->lock); return n_frames; } @@ -525,8 +531,6 @@ mt76_txq_schedule_list(struct mt76_phy *phy, enum mt76_txq_id qid) if (wcid && test_bit(MT_WCID_FLAG_PS, &wcid->flags)) continue; - spin_lock_bh(&q->lock); - if (mtxq->send_bar && mtxq->aggr) { struct ieee80211_txq *txq = mtxq_to_txq(mtxq); struct ieee80211_sta *sta = txq->sta; @@ -535,16 +539,12 @@ mt76_txq_schedule_list(struct mt76_phy *phy, enum mt76_txq_id qid) u8 tid = txq->tid; mtxq->send_bar = false; - spin_unlock_bh(&q->lock); ieee80211_send_bar(vif, sta->addr, tid, agg_ssn); - spin_lock_bh(&q->lock); } if (!mt76_txq_stopped(q)) n_frames = mt76_txq_send_burst(phy, q, mtxq); - spin_unlock_bh(&q->lock); - ieee80211_return_txq(phy->hw, txq, false); if (unlikely(n_frames < 0)) @@ -563,6 +563,7 @@ void mt76_txq_schedule(struct mt76_phy *phy, enum mt76_txq_id qid) if (qid >= 4) return; + local_bh_disable(); rcu_read_lock(); do { @@ -572,6 +573,7 @@ void mt76_txq_schedule(struct mt76_phy *phy, enum mt76_txq_id qid) } while (len > 0); rcu_read_unlock(); + local_bh_enable(); } EXPORT_SYMBOL_GPL(mt76_txq_schedule); |