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mt76: introduce q->stopped parameter

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Introduce mt76_queue stopped parameter in order to run
ieee80211_wake_queue only when mac80211 queues have been
previously stopped and avoid to disable interrupts when
it is not necessary

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi
2019-02-28 14:31:31 +01:00
committed by Felix Fietkau
parent 4177c5d942
commit cd44bc40a1
4 changed files with 14 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/wireless/mediatek/mt76/dma.c
View File

@@ -180,7 +180,10 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush)
else
mt76_dma_sync_idx(dev, q);
wake = wake && qid < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8;
wake = wake && q->stopped &&
qid < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8;
if (wake)
q->stopped = false;
if (!q->queued)
wake_up(&dev->tx_wait);

1
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@@ -126,6 +126,7 @@ struct mt76_queue {
int ndesc;
int queued;
int buf_size;
bool stopped;
u8 buf_offset;
u8 hw_idx;

5
drivers/net/wireless/mediatek/mt76/tx.c
View File

@@ -289,8 +289,11 @@ mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta,
dev->queue_ops->tx_queue_skb(dev, q, skb, wcid, sta);
dev->queue_ops->kick(dev, q);
if (q->queued > q->ndesc - 8)
if (q->queued > q->ndesc - 8 && !q->stopped) {
ieee80211_stop_queue(dev->hw, skb_get_queue_mapping(skb));
q->stopped = true;
}
spin_unlock_bh(&q->lock);
}
EXPORT_SYMBOL_GPL(mt76_tx);

6
drivers/net/wireless/mediatek/mt76/usb.c
View File

@@ -655,7 +655,11 @@ static void mt76u_tx_tasklet(unsigned long data)
spin_lock_bh(&q->lock);
}
mt76_txq_schedule(dev, q);
wake = i < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8;
wake = q->stopped && q->queued < q->ndesc - 8;
if (wake)
q->stopped = false;
if (!q->queued)
wake_up(&dev->tx_wait);