From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id D55B429AC for ; Wed, 20 Dec 2017 07:40:58 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Dec 2017 22:40:57 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,430,1508828400"; d="scan'208";a="185681328" Received: from fmsmsx104.amr.corp.intel.com ([10.18.124.202]) by orsmga005.jf.intel.com with ESMTP; 19 Dec 2017 22:40:57 -0800 Received: from fmsmsx125.amr.corp.intel.com (10.18.125.40) by fmsmsx104.amr.corp.intel.com (10.18.124.202) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 19 Dec 2017 22:40:56 -0800 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by FMSMSX125.amr.corp.intel.com (10.18.125.40) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 19 Dec 2017 22:40:56 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.213]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.218]) with mapi id 14.03.0319.002; Wed, 20 Dec 2017 14:40:54 +0800 From: "Zhang, Helin" To: zhouyangchao , "dev@dpdk.org" CC: "Zhang, Qi Z" Thread-Topic: [dpdk-dev] [PATCH] net/fm10k: remove RSS restriction with num of queues Thread-Index: AQHTbMq5scX7icJpGEGpBSJIILciIqNL4PHA Date: Wed, 20 Dec 2017 06:40:53 +0000 Message-ID: References: <6ac145b7-23c5-4741-95a7-e3ebc072ad6e@zyc-PC.local> In-Reply-To: <6ac145b7-23c5-4741-95a7-e3ebc072ad6e@zyc-PC.local> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH] net/fm10k: remove RSS restriction with num of queues 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: , X-List-Received-Date: Wed, 20 Dec 2017 06:40:59 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of zhouyangchao > Sent: Monday, December 4, 2017 2:38 PM > To: dev@dpdk.org > Cc: Zhang, Qi Z > Subject: [dpdk-dev] [PATCH] net/fm10k: remove RSS restriction with num of > queues >=20 > FM10K HW does not have such restrictions. >=20 > Enabling RSS with single queue is not used to distribute flow but to comp= ute > a RSS hash value. > It can reduce cpu cycles of computing a hash value with five tuples. > In addition, there is an explicit method to disable RSS instead of an obs= cure > way. >=20 > Signed-off-by: Yangchao Zhou Applied to next-net-intel, thanks! /Helin