Return-path: Received: from mail-bn3nam01on0078.outbound.protection.outlook.com ([104.47.33.78]:11264 "EHLO NAM01-BN3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751468AbdJOUxr (ORCPT ); Sun, 15 Oct 2017 16:53:47 -0400 From: Sergey Matyukevich To: linux-wireless@vger.kernel.org Cc: Igor Mitsyanko , Avinash Patil , Vasily Ulyanov , Sergey Matyukevich Subject: [PATCH 1/5] qtnfmac: modify full Tx queue error reporting Date: Sun, 15 Oct 2017 23:53:23 +0300 Message-Id: <20171015205327.9966-2-sergey.matyukevich.os@quantenna.com> (sfid-20171015_225419_328356_8AD83E19) In-Reply-To: <20171015205327.9966-1-sergey.matyukevich.os@quantenna.com> References: <20171015205327.9966-1-sergey.matyukevich.os@quantenna.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c index 502e72b7cdcc..a8f2c46f3a25 100644 --- 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; } -- 2.11.0