From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id D8180A09D3; Thu, 12 Nov 2020 12:47:51 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 37C135928; Thu, 12 Nov 2020 12:47:49 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 6B55756A3 for ; Thu, 12 Nov 2020 12:47:47 +0100 (CET) IronPort-SDR: YN6IDMvyxodBXXOAS+CXIaKuPYj+YCcBgdRv1NUaumT+YLwgqBMqKZ14+4XsNTgV9wwHhXVexo 5zCfA4Vc0frA== X-IronPort-AV: E=McAfee;i="6000,8403,9802"; a="167711972" X-IronPort-AV: E=Sophos;i="5.77,471,1596524400"; d="scan'208";a="167711972" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Nov 2020 03:47:45 -0800 IronPort-SDR: l6cxCA3taYdlf9WUEl9NZEZW+1dmjDRrUTkG1ES/PqdDbyDrLNIcGobuavmSc66hSV7Bnjr4lp kZJrvz8bHeqA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,471,1596524400"; d="scan'208";a="399374666" Received: from fmsmsx602.amr.corp.intel.com ([10.18.126.82]) by orsmga001.jf.intel.com with ESMTP; 12 Nov 2020 03:47:45 -0800 Received: from shsmsx605.ccr.corp.intel.com (10.109.6.215) by fmsmsx602.amr.corp.intel.com (10.18.126.82) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Thu, 12 Nov 2020 03:47:44 -0800 Received: from shsmsx601.ccr.corp.intel.com (10.109.6.141) by SHSMSX605.ccr.corp.intel.com (10.109.6.215) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Thu, 12 Nov 2020 19:47:42 +0800 Received: from shsmsx601.ccr.corp.intel.com ([10.109.6.141]) by SHSMSX601.ccr.corp.intel.com ([10.109.6.141]) with mapi id 15.01.1713.004; Thu, 12 Nov 2020 19:47:42 +0800 From: "Zhang, Qi Z" To: "Rong, Leyi" , "Lu, Wenzhuo" , "Wu, Jingjing" , "Xing, Beilei" CC: "dev@dpdk.org" Thread-Topic: [PATCH] net/iavf: fix performance drop after port reset Thread-Index: AQHWuLpNrtGCMRgOhECn0MSTs+VFB6nENP0w Date: Thu, 12 Nov 2020 11:47:42 +0000 Message-ID: <6635d7fa864c47d58ac0ae03d81e128a@intel.com> References: <20201112055154.40369-1-leyi.rong@intel.com> In-Reply-To: <20201112055154.40369-1-leyi.rong@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-reaction: no-action dlp-version: 11.5.1.3 dlp-product: dlpe-windows x-originating-ip: [10.239.127.36] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH] net/iavf: fix performance drop after port reset X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" > -----Original Message----- > From: Rong, Leyi > Sent: Thursday, November 12, 2020 1:52 PM > To: Zhang, Qi Z ; Lu, Wenzhuo > ; Wu, Jingjing ; Xing, Beile= i > > Cc: dev@dpdk.org; Rong, Leyi > Subject: [PATCH] net/iavf: fix performance drop after port reset >=20 > Needs to reset rxq->rxrearm_start to 0 when reset_rx_queue(), otherwise, = the > random value of rxrearm_start will cause performance drop due to L3 > contested accesses. >=20 > Fixes: 69dd4c3d0898 ("net/avf: enable queue and device") >=20 > Signed-off-by: Leyi Rong Applied to dpdk-next-net-intel. Thanks Qi