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mt76: only schedule txqs from the tx tasklet 

Reduces lock contention from the tx path and improves performance

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2019-03-13 20:18:56 +01:00
parent a33b8ab868
commit 41634aa8d6
4 changed files with 6 additions and 3 deletions
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2
drivers/net/wireless/mediatek/mt76/dma.c
View File

@ -205,8 +205,6 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush)
spin_unlock_bh(&q->lock);
if (!flush)
mt76_txq_schedule(dev, qid);
if (wake)
ieee80211_wake_queue(dev->hw, qid);
}

2
drivers/net/wireless/mediatek/mt76/mt7603/dma.c
View File

@ -145,6 +145,8 @@ mt7603_tx_tasklet(unsigned long data)
for (i = MT_TXQ_MCU; i >= 0; i--)
mt76_queue_tx_cleanup(dev, i, false);
mt76_txq_schedule_all(&dev->mt76);
mt7603_irq_enable(dev, MT_INT_TX_DONE_ALL);
}

3
drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
View File

@ -162,6 +162,9 @@ static void mt76x02_tx_tasklet(unsigned long data)
mt76_queue_tx_cleanup(dev, i, false);
mt76x02_mac_poll_tx_status(dev, false);
mt76_txq_schedule_all(&dev->mt76);
mt76x02_irq_enable(dev, MT_INT_TX_DONE_ALL);
}

2
drivers/net/wireless/mediatek/mt76/tx.c
View File

@ -595,7 +595,7 @@ void mt76_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
if (!test_bit(MT76_STATE_RUNNING, &dev->state))
return;
mt76_txq_schedule(dev, txq->ac);
tasklet_schedule(&dev->tx_tasklet);
}
EXPORT_SYMBOL_GPL(mt76_wake_tx_queue);