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 620FCA052A; Wed, 23 Dec 2020 10:57:30 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9469A2B8E; Wed, 23 Dec 2020 10:57:28 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 7C12C2B87; Wed, 23 Dec 2020 10:57:25 +0100 (CET) IronPort-SDR: 6ZzBn2QmO2PGPDO4HzmbsxBL6tVQE1WwQkyDrcmehZqh+efxjdF6qHerg7vNbBF3ES2cBpcjA0 p/xDkznvG31Q== X-IronPort-AV: E=McAfee;i="6000,8403,9843"; a="194440519" X-IronPort-AV: E=Sophos;i="5.78,441,1599548400"; d="scan'208";a="194440519" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Dec 2020 01:57:22 -0800 IronPort-SDR: b/5V9f1jP9MlhPrgI+g4KQ/0cY9c0nuaZkSv6qAxp/yGHIzdvSnIJHTDddcbdMYEiTEZUV6/F2 kuMqGw6aUxIA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,441,1599548400"; d="scan'208";a="562975563" Received: from irsmsx601.ger.corp.intel.com ([163.33.146.7]) by fmsmga006.fm.intel.com with ESMTP; 23 Dec 2020 01:57:21 -0800 Received: from shsmsx601.ccr.corp.intel.com (10.109.6.141) by irsmsx601.ger.corp.intel.com (163.33.146.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Wed, 23 Dec 2020 09:57:19 +0000 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; Wed, 23 Dec 2020 17:57:17 +0800 From: "Zhang, Qi Z" To: "Rong, Leyi" CC: "Yigit, Ferruh" , "dev@dpdk.org" , "stable@dpdk.org" Thread-Topic: [PATCH v2] doc: fix some statements for ice vector PMD Thread-Index: AQHW00DvoGhh53kRB0yvoPp//bWcmqn6B7yAgAp1nkA= Date: Wed, 23 Dec 2020 09:57:17 +0000 Message-ID: <7f8a6dca383f411c8975e55e79b2e1b7@intel.com> References: <20201216002158.309396-1-qi.z.zhang@intel.com> In-Reply-To: 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] doc: fix some statements for ice vector PMD 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, December 17, 2020 10:13 AM > To: Zhang, Qi Z > Cc: Yigit, Ferruh ; dev@dpdk.org; stable@dpdk.org > Subject: RE: [PATCH v2] doc: fix some statements for ice vector PMD >=20 >=20 > > -----Original Message----- > > From: Zhang, Qi Z > > Sent: Wednesday, December 16, 2020 8:22 AM > > To: Rong, Leyi > > Cc: Yigit, Ferruh ; dev@dpdk.org; Zhang, Qi Z > > ; stable@dpdk.org > > Subject: [PATCH v2] doc: fix some statements for ice vector PMD > > > > 1. Add descriptions for how to select avx512 datapath. > > 2. Add explanation for "P" in ice.ini. > > > > Fixes: 7f85d5ebcfe1 ("net/ice: add AVX512 vector path") > > Fixes: 271cc8c5028a ("doc: update ice features list") > > Cc: stable@dpdk.org > > > > Signed-off-by: Qi Zhang > > --- > > > > v2: > > fix statement for force-max-simd-bitwidth which is an EAL argument but > > not devarg. > > > > doc/guides/nics/ice.rst | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/doc/guides/nics/ice.rst b/doc/guides/nics/ice.rst index > > a0887f129f..2a4439a63a 100644 > > --- a/doc/guides/nics/ice.rst > > +++ b/doc/guides/nics/ice.rst > > @@ -211,9 +211,12 @@ are chosen based on 2 conditions. > > - ``CPU`` > > On the X86 platform, the driver checks if the CPU supports AVX2. > > If it's supported, AVX2 paths will be chosen. If not, SSE is chosen. > > + If the CPU supports AVX512 and EAL argument > > + ``force-max-simd-bitwidth`` is set to 512, AVX512 paths will be chos= en. > > > > - ``Offload features`` > > - The supported HW offload features are described in the document > ice_vec.ini. > > + The supported HW offload features are described in the document > > + ice.ini, A value "P" means the offload feature is not supported by v= ector > path. > > If any not supported features are used, ICE vector PMD is disabled a= nd > the > > normal paths are chosen. > > > > -- > > 2.26.2 >=20 > Acked-by: Leyi Rong Applied to dpdk-next-net-intel. Thanks Qi >=20 > Best Regards, > Leyi Rong