From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from na01-bl2-obe.outbound.protection.outlook.com (mail-bl2lp0209.outbound.protection.outlook.com [207.46.163.209]) by dpdk.org (Postfix) with ESMTP id 7F4AF5915 for ; Mon, 4 Aug 2014 21:42:49 +0200 (CEST) Received: from BL2PR05MB113.namprd05.prod.outlook.com (10.255.232.20) by BL2PR05MB113.namprd05.prod.outlook.com (10.255.232.20) with Microsoft SMTP Server (TLS) id 15.0.995.14; Mon, 4 Aug 2014 19:44:55 +0000 Received: from BL2PR05MB113.namprd05.prod.outlook.com ([169.254.1.253]) by BL2PR05MB113.namprd05.prod.outlook.com ([169.254.1.4]) with mapi id 15.00.0995.014; Mon, 4 Aug 2014 19:44:55 +0000 From: Anjali Kulkarni To: "dev@dpdk.org" Thread-Topic: Question on using SR-IOV with dpdk apps Thread-Index: AQHPsBxtjtrzyX+mnkmjaIsd01qZlJvAY4iA Date: Mon, 4 Aug 2014 19:44:55 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.3.9.131030 x-originating-ip: [66.129.239.14] x-microsoft-antispam: BCL:0;PCL:0;RULEID: x-forefront-prvs: 0293D40691 x-forefront-antispam-report: SFV:NSPM; SFS:(6009001)(24454002)(199002)(189002)(51704005)(377454003)(479174003)(19580395003)(83322001)(21056001)(106116001)(2656002)(87936001)(4396001)(105586002)(99286002)(19580405001)(101416001)(95666004)(64706001)(20776003)(74662001)(31966008)(85806002)(106356001)(83506001)(85306004)(74502001)(92566001)(85852003)(83072002)(92726001)(77096002)(54356999)(86362001)(76176999)(81542001)(80022001)(110136001)(36756003)(76482001)(66066001)(99396002)(77982001)(50986999)(46102001)(79102001)(81342001)(107046002)(107886001)(2351001); DIR:OUT; SFP:; SCL:1; SRVR:BL2PR05MB113; H:BL2PR05MB113.namprd05.prod.outlook.com; FPR:; MLV:sfv; PTR:InfoNoRecords; MX:1; LANG:en; Content-Type: text/plain; charset="us-ascii" Content-ID: <6736B58835AF914B9C225E95EA991632@namprd05.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: juniper.net Subject: Re: [dpdk-dev] Question on using SR-IOV with dpdk apps 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, 04 Aug 2014 19:42:49 -0000 Forgot to clarify, this is a specialized app, and the first parameter of each () is the dpdk port no. On 8/4/14 12:43 PM, "Anjali Kulkarni" wrote: >Hi, > >I am using SR-IOV and pass through to run a DPDK app. I am running it on >host. SR-IOV should split the NIC into multiple Vfs. I have split each NIC >into 2 Vfs. However, when I run the DPDK app, I get error initializing the >port no.2 of DPDK. >I am running the app with these options: >--rx "(0,0,0,1),(1,0,2,1), (2,0,3,1), (3,0,4,1)" --tx "(0,1), (1,1), >(2,1), (3,1)" > >This is for 2 physical NICs, each having 2 Vfs. The error I get is: > >Initializing NIC port 0 ... | >|RPIOIF DETACHED =20 >|Initializing NIC port 0 RX queue 0 ... | >| =20 >|Initializing NIC port 0 TX queue 0 ... | >|HOSTIF DETACHED =20 >|Initializing NIC port 1 ... | >| =20 >|Initializing NIC port 1 RX queue 0 ... | >| =20 >|Initializing NIC port 1 TX queue 0 ... | >| =20 >|Initializing NIC port 2 ... | >| =20 >|PANIC in app_init_nics(): | >| =20 >|Cannot init NIC port 2 (-22) > > >Can someone pls clarify how DPDK views it's port nos, i.e. Scans the >devices and sees each nic? I see 4 /dev/uioX devices. I assume it scans >for these igb_uio devices. These are present. Then why can it not detect >the other 2 NICs? > >Thanks >Anjali >