From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by dpdk.org (Postfix) with ESMTP id 288418BA for ; Thu, 7 Aug 2014 09:17:44 +0200 (CEST) Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga101.ch.intel.com with ESMTP; 07 Aug 2014 00:18:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,816,1400050800"; d="scan'208";a="465941794" Received: from fmsmsx105.amr.corp.intel.com ([10.19.9.36]) by azsmga001.ch.intel.com with ESMTP; 07 Aug 2014 00:18:44 -0700 Received: from fmsmsx153.amr.corp.intel.com (10.18.125.6) by FMSMSX105.amr.corp.intel.com (10.19.9.36) with Microsoft SMTP Server (TLS) id 14.3.123.3; Thu, 7 Aug 2014 00:18:23 -0700 Received: from shsmsx101.ccr.corp.intel.com (10.239.4.153) by FMSMSX153.amr.corp.intel.com (10.18.125.6) with Microsoft SMTP Server (TLS) id 14.3.123.3; Thu, 7 Aug 2014 00:18:23 -0700 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.172]) by SHSMSX101.ccr.corp.intel.com ([169.254.1.252]) with mapi id 14.03.0195.001; Thu, 7 Aug 2014 15:18:22 +0800 From: "Ouyang, Changchun" To: "Xie, Huawei" , "Czaus, Tomasz" , "dev@dpdk.org" Thread-Topic: [dpdk-dev] One pkt in mbuf chain - virtio pmd driver Thread-Index: AQHPsg5XoztzHUDh5UmvYxE6nDpM05vEurDw Date: Thu, 7 Aug 2014 07:18:21 +0000 Message-ID: References: <4060631EACBB65409E09BBBDAF62A4C5347B4F29@IRSMSX103.ger.corp.intel.com> In-Reply-To: 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] One pkt in mbuf chain - virtio pmd driver 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: Thu, 07 Aug 2014 07:17:45 -0000 It is one feature in developing, scatter and mergeable RX will be support in virtio subsequent patch. Thanks=20 Changchun > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Xie, Huawei > Sent: Thursday, August 7, 2014 3:07 PM > To: Czaus, Tomasz; dev@dpdk.org > Subject: Re: [dpdk-dev] One pkt in mbuf chain - virtio pmd driver >=20 > Hi Tomasz: > This is a known issue in user space vhost. Will be fixed in subsequent pa= tch > once the vhost lib is applied. >=20 > BR. > -Huawei > > -----Original Message----- > > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Czaus, Tomasz > > Sent: Thursday, August 07, 2014 2:20 PM > > To: dev@dpdk.org > > Subject: [dpdk-dev] One pkt in mbuf chain - virtio pmd driver > > > > Hello, > > > > Does virtio pmd driver support scenario when a frame fits in mbuf > > chain, this means all headers (eth/ipv4/tcp) are located in first mbuf > > and user data is located in next mbuf. I have asked the same question > > on dpdk-ovs mailing group, here is a thread and more details: > > > > https://lists.01.org/pipermail/dpdk-ovs/2014-August/001557.html > > > > Best Regards, > > Tomasz Czaus > > > > -------------------------------------------------------------------- > > > > Intel Technology Poland sp. z o.o. > > ul. Slowackiego 173 | 80-298 Gdansk | Sad Rejonowy Gdansk Polnoc | VII > > Wydzial Gospodarczy Krajowego Rejestru Sadowego - KRS 101882 | NIP > > 957-07- > > 52-316 | Kapital zakladowy 200.000 PLN. > > > > Ta wiadomosc wraz z zalacznikami jest przeznaczona dla okreslonego > > adresata i moze zawierac informacje poufne. W razie przypadkowego > > otrzymania tej wiadomosci, prosimy o powiadomienie nadawcy oraz trwale > > jej usuniecie; jakiekolwiek przegladanie lub rozpowszechnianie jest > > zabronione. > > This e-mail and any attachments may contain confidential material for > > the sole use of the intended recipient(s). If you are not the intended > > recipient, please contact the sender and delete all copies; any review > > or distribution by others is strictly prohibited.