From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755888AbdLGPsn (ORCPT ); Thu, 7 Dec 2017 10:48:43 -0500 Received: from fldsmtpe03.verizon.com ([140.108.26.142]:60687 "EHLO fldsmtpe03.verizon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755853AbdLGPsi (ORCPT ); Thu, 7 Dec 2017 10:48:38 -0500 From: alexander.levin@verizon.com Cc: Sergey Matyukevich , Kalle Valo , alexander.levin@verizon.com X-Host: mariner.tdc.vzwcorp.com To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: [PATCH AUTOSEL for 4.14 068/135] qtnfmac: modify full Tx queue error reporting Thread-Topic: [PATCH AUTOSEL for 4.14 068/135] qtnfmac: modify full Tx queue error reporting Thread-Index: AQHTb3Jy+quq2gXPkka5iVfTRHY0/A== Date: Thu, 7 Dec 2017 15:45:46 +0000 Message-ID: <20171207154513.4154-68-alexander.levin@verizon.com> References: <20171207154513.4154-1-alexander.levin@verizon.com> In-Reply-To: <20171207154513.4154-1-alexander.levin@verizon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.60.250] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id vB7Fmnhw026798 From: Sergey Matyukevich [ 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 Signed-off-by: Kalle Valo Signed-off-by: Sasha Levin --- 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 69131965a298..146e42a132e7 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