C++ (Cpp) mt76_txq_schedule Examples

Example #1

File: dma.c Project: Brainiarc7/mt76

static void
mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush)
{
	struct mt76_queue *q = &dev->q_tx[qid];
	struct mt76_queue_entry entry;
	bool wake = false;
	int last;

	if (!q->ndesc)
		return;

	spin_lock_bh(&q->lock);
	if (flush)
		last = -1;
	else
		last = ioread32(&q->regs->dma_idx);

	while (q->queued && q->tail != last) {
		mt76_dma_tx_cleanup_idx(dev, q, q->tail, &entry);
		if (entry.schedule)
			q->swq_queued--;

		if (entry.skb)
			dev->drv->tx_complete_skb(dev, q, &entry, flush);

		if (entry.txwi) {
			mt76_put_txwi(dev, entry.txwi);
			wake = true;
		}

		q->tail = (q->tail + 1) % q->ndesc;
		q->queued--;

		if (!flush && q->tail == last)
		    last = ioread32(&q->regs->dma_idx);
	}

	if (!flush)
		mt76_txq_schedule(dev, q);
	else
		mt76_dma_sync_idx(dev, q);

	wake = wake && qid < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8;
	spin_unlock_bh(&q->lock);

	if (wake)
		ieee80211_wake_queue(dev->hw, qid);
}

Example #2

File: usb.c Project: markus-oberhumer/linux

static void mt76u_tx_tasklet(unsigned long data)
{
	struct mt76_dev *dev = (struct mt76_dev *)data;
	struct mt76u_buf *buf;
	struct mt76_queue *q;
	bool wake;
	int i;

	for (i = 0; i < IEEE80211_NUM_ACS; i++) {
		q = &dev->q_tx[i];

		spin_lock_bh(&q->lock);
		while (true) {
			buf = &q->entry[q->head].ubuf;
			if (!buf->done || !q->queued)
				break;

			dev->drv->tx_complete_skb(dev, q,
						  &q->entry[q->head],
						  false);

			if (q->entry[q->head].schedule) {
				q->entry[q->head].schedule = false;
				q->swq_queued--;
			}

			q->head = (q->head + 1) % q->ndesc;
			q->queued--;
		}
		mt76_txq_schedule(dev, q);
		wake = i < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8;
		if (!q->queued)
			wake_up(&dev->tx_wait);

		spin_unlock_bh(&q->lock);

		if (!test_and_set_bit(MT76_READING_STATS, &dev->state))
			ieee80211_queue_delayed_work(dev->hw,
						     &dev->usb.stat_work,
						     msecs_to_jiffies(10));

		if (wake)
			ieee80211_wake_queue(dev->hw, i);
	}
}