qtnfmac: modify full Tx queue error reporting

[ Upstream commit e9931f984dd1e80adb3b5e095ef175fe383bc92d ]

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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
index 69131965a298fd784420830d2c0a782874b1633d..146e42a132e726957610ee853006f930102b0a78 100644 (file)
--- a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
@@ -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;
                }