From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 6620C58F7 for ; Wed, 14 Jan 2015 02:00:58 +0100 (CET) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP; 13 Jan 2015 17:00:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,691,1406617200"; d="scan'208";a="511869693" Received: from pgsmsx104.gar.corp.intel.com ([10.221.44.91]) by orsmga003.jf.intel.com with ESMTP; 13 Jan 2015 16:54:45 -0800 Received: from shsmsx152.ccr.corp.intel.com (10.239.6.52) by PGSMSX104.gar.corp.intel.com (10.221.44.91) with Microsoft SMTP Server (TLS) id 14.3.195.1; Wed, 14 Jan 2015 09:00:53 +0800 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.238]) by SHSMSX152.ccr.corp.intel.com ([169.254.6.173]) with mapi id 14.03.0195.001; Wed, 14 Jan 2015 09:00:52 +0800 From: "Ouyang, Changchun" To: Vlad Zolotarov , "Jastrzebski, MichalX K" , "dev@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH 1/2] pmd: add DCB for VF for ixgbe Thread-Index: AQHQLn/iQxHmkHGnLE+AmQ/IyiF8DJy9UEAAgAF9pfA= Date: Wed, 14 Jan 2015 01:00:51 +0000 Message-ID: References: <1421077843-8492-1-git-send-email-michalx.k.jastrzebski@intel.com> <1421077843-8492-2-git-send-email-michalx.k.jastrzebski@intel.com> <54B4EFF6.5060107@cloudius-systems.com> In-Reply-To: <54B4EFF6.5060107@cloudius-systems.com> Accept-Language: zh-CN, 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 1/2] pmd: add DCB for VF for ixgbe 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: Wed, 14 Jan 2015 01:00:59 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Vlad Zolotarov > Sent: Tuesday, January 13, 2015 6:14 PM > To: Jastrzebski, MichalX K; dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH 1/2] pmd: add DCB for VF for ixgbe >=20 >=20 > On 01/12/15 17:50, Michal Jastrzebski wrote: > > From: Pawel Wodkowski > > > > This patch add support for DCB in SRIOV mode. When no PFC is enabled > > this feature might be used as multiple queues (up to 8 or 4) for VF. > > > > It incorporate following modifications: > > - Allow zero rx/tx queues to be passed to rte_eth_dev_configure(). > > Rationale: > > in SRIOV mode PF use first free VF to RX/TX. If VF count > > is 16 or 32 all recources are assigned to VFs so PF can > > be used only for configuration. > > - split nb_q_per_pool to nb_rx_q_per_pool and nb_tx_q_per_pool > > Rationale: > > rx and tx number of queue might be different if RX and TX are > > configured in different mode. This allow to inform VF about > > proper number of queues. > > - extern mailbox API for DCB mode >=20 > IMHO each bullet above is worth a separate patch. ;) It would be much eas= ier > to review. >=20 > thanks, > vlad >=20 Agree with Vlad