From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 44AC22B8E for ; Mon, 11 Jul 2016 07:50:18 +0200 (CEST) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga104.fm.intel.com with ESMTP; 10 Jul 2016 22:50:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,345,1464678000"; d="scan'208";a="137001753" Received: from fmsmsx105.amr.corp.intel.com ([10.18.124.203]) by fmsmga004.fm.intel.com with ESMTP; 10 Jul 2016 22:50:17 -0700 Received: from fmsmsx157.amr.corp.intel.com (10.18.116.73) by FMSMSX105.amr.corp.intel.com (10.18.124.203) with Microsoft SMTP Server (TLS) id 14.3.248.2; Sun, 10 Jul 2016 22:50:16 -0700 Received: from shsmsx102.ccr.corp.intel.com (10.239.4.154) by FMSMSX157.amr.corp.intel.com (10.18.116.73) with Microsoft SMTP Server (TLS) id 14.3.248.2; Sun, 10 Jul 2016 22:50:16 -0700 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.181]) by shsmsx102.ccr.corp.intel.com ([169.254.2.147]) with mapi id 14.03.0248.002; Mon, 11 Jul 2016 13:50:14 +0800 From: "Wu, Jingjing" To: Thomas Monjalon CC: "dev@dpdk.org" , "Mcnamara, John" , "Liu, Yong" , "Zhang, Helin" , "Iremonger, Bernard" Thread-Topic: [dpdk-dev] [PATCH v2 1/2] doc: add bifurcated driver guide on ixgbe nic Thread-Index: AQHRzPu75rzpjhfRa0qPalBU9F94U5/2femAgBfQGHD//4QbgIAFAr1A Date: Mon, 11 Jul 2016 05:50:14 +0000 Message-ID: <9BB6961774997848B5B42BEC655768F80E16A005@SHSMSX103.ccr.corp.intel.com> References: <1466650946-22523-1-git-send-email-jingjing.wu@intel.com> <2397257.zo8BvNnhcC@xps13> <9BB6961774997848B5B42BEC655768F80E169131@SHSMSX103.ccr.corp.intel.com> <367000689.y0psKNqMLI@xps13> In-Reply-To: <367000689.y0psKNqMLI@xps13> 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 v2 1/2] doc: add bifurcated driver guide on ixgbe nic X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jul 2016 05:50:18 -0000 > -----Original Message----- > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com] > Sent: Friday, July 8, 2016 5:14 PM > To: Wu, Jingjing > Cc: dev@dpdk.org; Mcnamara, John; Liu, Yong; Zhang, Helin; Iremonger, > Bernard > Subject: Re: [dpdk-dev] [PATCH v2 1/2] doc: add bifurcated driver guide o= n > ixgbe nic >=20 > 2016-07-08 08:42, Wu, Jingjing: > > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com] > > > Thank you for providing more doc. > > > I am just not convinced it is the right place and it must be > > > discussed. > > > Some questions below to help deciding where it must be. > > > > > > 2016-06-23 11:02, Jingjing Wu: > > > > Bifurcated driver is a mechanism which depends the advanced > > > > Ethernet device to split traffic between queues. It provides the > > > > capability to let the kernel driver and DPDK driver co-exist and > > > > take their advantage. > > > > > > The name "bifurcated driver" was used for a real driver proposal in > > > Linux. I don't think it applies here. >=20 > Where does the "bifurcated" name come from? > Could we rename it to "flow bifurcation" or "partial kernel bypass"? >=20 It is our internal name. It is also called as queue split between drivers. And I like the "flow bifurcation" one, let me rename it. Thanks for the sug= gestion. > > > > It is achieved by using SRIOV and NIC's advanced filtering. This > > > > patch describes it and adds the user guide on ixgbe NICs. > > > > > > It is not a DPDK feature, just a use case. > > > What do we learn about DPDK? > > > > Yes, it is an feature in Linux driver. And the typical use case how DPD= K co- > work with Linux networking. > > I think it will be a good reference. When I preparde this patch, I'm > > also doubt where to put, and the behavior may be NIC specific, so I add= ed > it here. > > > > Any other suggestion? >=20 > Bernard is creating an howto section. Yes, just saw it. Will re-organize it to howto.