From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 1024CF72 for ; Wed, 8 Feb 2017 10:35:01 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP; 08 Feb 2017 01:34:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,346,1477983600"; d="scan'208";a="1104577703" Received: from fmsmsx104.amr.corp.intel.com ([10.18.124.202]) by fmsmga001.fm.intel.com with ESMTP; 08 Feb 2017 01:34:59 -0800 Received: from shsmsx104.ccr.corp.intel.com (10.239.4.70) by fmsmsx104.amr.corp.intel.com (10.18.124.202) with Microsoft SMTP Server (TLS) id 14.3.248.2; Wed, 8 Feb 2017 01:34:59 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.20]) by SHSMSX104.ccr.corp.intel.com ([10.239.4.70]) with mapi id 14.03.0248.002; Wed, 8 Feb 2017 17:34:57 +0800 From: "Tan, Jianfeng" To: "Michael S. Tsirkin" CC: Maxime Coquelin , "Liu, Yuanhan" , "dev@dpdk.org" Thread-Topic: vhost user MTU and promisc mode Thread-Index: AdKAQ8nYYa5iv+shSiiALB/jPMUvo///t1gA//5/dWCAA3seAP/+waOA Date: Wed, 8 Feb 2017 09:34:56 +0000 Message-ID: References: <18ab1a23-095c-5970-92e2-e81b5a8d0ade@redhat.com> <20170207183203-mutt-send-email-mst@kernel.org> In-Reply-To: <20170207183203-mutt-send-email-mst@kernel.org> 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] vhost user MTU and promisc mode 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, 08 Feb 2017 09:35:02 -0000 > -----Original Message----- > From: Michael S. Tsirkin [mailto:mst@redhat.com] > Sent: Wednesday, February 8, 2017 12:33 AM > To: Tan, Jianfeng > Cc: Maxime Coquelin; Liu, Yuanhan; dev@dpdk.org > Subject: Re: vhost user MTU and promisc mode >=20 > On Tue, Feb 07, 2017 at 04:27:16PM +0000, Tan, Jianfeng wrote: > > > > > > > -----Original Message----- > > > From: Maxime Coquelin [mailto:maxime.coquelin@redhat.com] > > > Sent: Monday, February 6, 2017 6:20 PM > > > To: Tan, Jianfeng > > > Cc: mst@redhat.com; Liu, Yuanhan; dev@dpdk.org > > > Subject: Re: vhost user MTU and promisc mode > > > > > > Hi Jianfeng, > > > > > > On 02/06/2017 07:39 AM, Tan, Jianfeng wrote: > > > > Hi Maxime, > > > > > > > > > > > > > > > > Have seen that you submit a feature in QEMU, commit c5f048d8fb69 > > > > ("vhost-user: Add MTU protocol feature and op"). > > > > > > > > > > > > > > > > Appreciate your insights on: > > > > > > > > (1) Do you have plan to enable it in DPDK vhost user? > > > Yes, I plan to propose this for v17.05 release. > > > For vhost-user backend, the op is to notify the backend with the MTU > > > value set in QEMU, so that it can ensure packets sent won't be bigger= . > > > > Great to know that. > > > > > > > > > > > > > (2) How about another similar feature, promisc mode enable/disable? > > > This is ont something we have considered yet. > > > Are you willing to work on it? > > > > Yes, we are considering it. But it should be firstly upsteamed into QEM= U. > > > > Thanks, > > Jianfeng >=20 > You also need to copy virtio tc list if you will suggest > interface changes. TC is responsible for documenting it. Thank you Michael for reminding! We will do that in a separated thread. Thanks, Jianfeng >=20 > > > > > > Thanks, > > > Maxime > > > > > > > > > > > > > > > Thanks, > > > > > > > > Jianfeng > > > >