Commit e9931f98 authored Oct 30, 2017 by Sergey Matyukevich Committed by Kalle Valo Oct 30, 2017

qtnfmac: modify full Tx queue error reporting



Under heavy load it is normal that h/w Tx queue is almost full all the time
and reclaim should be done before transmitting next packet. Warning still
should be reported as well as s/w Tx queues should be stopped in the
case when reclaim failed.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

parent 063848c3

drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -643,11 +643,11 @@ static int qtnf_tx_queue_ready(struct qtnf_pcie_bus_priv *priv)
		{
		if (!CIRC_SPACE(priv->tx_bd_w_index, priv->tx_bd_r_index,
		priv->tx_bd_num)) {
		pr_err_ratelimited("reclaim full Tx queue\n");
		qtnf_pcie_data_tx_reclaim(priv);

		if (!CIRC_SPACE(priv->tx_bd_w_index, priv->tx_bd_r_index,
		priv->tx_bd_num)) {
		pr_warn_ratelimited("reclaim full Tx queue\n");
		priv->tx_full_count++;
		return 0;
		}