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 2D85FA04B5; Mon, 26 Oct 2020 02:11:47 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A3B3A29C8; Mon, 26 Oct 2020 02:11:44 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id D8D691D9E for ; Mon, 26 Oct 2020 02:11:41 +0100 (CET) IronPort-SDR: UKYqP4DwbK7rVZjqhjycM8/SPjRGI427O+BEk8XufK8jou4KeVTzfXRl5smT9J/ssHpfU4OlMQ DQ3F6qD8vhFQ== X-IronPort-AV: E=McAfee;i="6000,8403,9785"; a="167962001" X-IronPort-AV: E=Sophos;i="5.77,417,1596524400"; d="scan'208";a="167962001" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2020 18:11:40 -0700 IronPort-SDR: s4hzdBip4TSyXwYqfVMGeC3kJNvIQ/ZIo2IhuiPkbM802ME0ObNPlSKf/VxgoAinFfahVw0vM6 FajFoU6tJa1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,417,1596524400"; d="scan'208";a="349936514" Received: from orsmsx602.amr.corp.intel.com ([10.22.229.15]) by fmsmga004.fm.intel.com with ESMTP; 25 Oct 2020 18:11:39 -0700 Received: from orsmsx611.amr.corp.intel.com (10.22.229.24) by ORSMSX602.amr.corp.intel.com (10.22.229.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Sun, 25 Oct 2020 18:11:39 -0700 Received: from shsmsx601.ccr.corp.intel.com (10.109.6.141) by ORSMSX611.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Sun, 25 Oct 2020 18:11:37 -0700 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; Mon, 26 Oct 2020 09:11:36 +0800 From: "Zhang, Qi Z" To: "Brandeburg, Jesse" , "Johnson, Brian" , "thomas@monjalon.net" , "david.marchand@redhat.com" CC: "Brandeburg, Jesse" , "dev@dpdk.org" Thread-Topic: [PATCH v2 0/2] intel: fix writeback Thread-Index: AQHWqXov2tjF081FDU23NDSG9eMZJ6mpFmjw Date: Mon, 26 Oct 2020 01:11:35 +0000 Message-ID: References: <20201023202200.1909832-1-jesse.brandeburg@intel.com> In-Reply-To: <20201023202200.1909832-1-jesse.brandeburg@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 v2 0/2] intel: fix writeback 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: Jesse Brandeburg > Sent: Saturday, October 24, 2020 4:22 AM > To: Johnson, Brian ; thomas@monjalon.net; > david.marchand@redhat.com > Cc: Brandeburg, Jesse ; dev@dpdk.org; Zhang, > Qi Z > Subject: [PATCH v2 0/2] intel: fix writeback >=20 > This patch series is targeted at the v20.11 release. >=20 > It fixes two separate bugs, on the PF with reducing the latency from 16us= to > 2us maximum for a single packet, and on the VF with adding an ITR timeout= to > both allow descriptor aggregation for writeback, and minimize latency, se= tting > the value to the same as the PF for E810 family. >=20 > v2: subscribe to list and re-send >=20 > Jesse Brandeburg (2): > iavf: Fix performance with writeback policy > ice: update writeback policy to reduce latency >=20 > drivers/net/iavf/iavf_ethdev.c | 13 +++++++++++-- > drivers/net/ice/ice_ethdev.c | 2 +- > 2 files changed, 12 insertions(+), 3 deletions(-) >=20 > -- > 2.25.4 Acked-by: Qi Zhang Applied to dpdk-next-net-intel. Thanks Qi