From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 6FFE758E8 for ; Wed, 9 Apr 2014 17:13:35 +0200 (CEST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 09 Apr 2014 08:07:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,826,1389772800"; d="scan'208";a="490030884" Received: from irsmsx102.ger.corp.intel.com ([163.33.3.155]) by orsmga001.jf.intel.com with ESMTP; 09 Apr 2014 08:11:32 -0700 Received: from irsmsx103.ger.corp.intel.com ([169.254.3.172]) by IRSMSX102.ger.corp.intel.com ([169.254.2.45]) with mapi id 14.03.0123.003; Wed, 9 Apr 2014 16:10:38 +0100 From: "Richardson, Bruce" To: Tomasz K , dev Thread-Topic: [dpdk-dev] l2fwd not working on PF while working on VF Thread-Index: AQHPU/zsufnjr80/m0e/aaApTBS/eZsJYp+A Date: Wed, 9 Apr 2014 15:10:38 +0000 Message-ID: <59AF69C657FD0841A61C55336867B5B01A9FA0C0@IRSMSX103.ger.corp.intel.com> References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [163.33.239.181] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] l2fwd not working on PF while working on VF 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, 09 Apr 2014 15:13:35 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Tomasz K > Sent: Wednesday, April 09, 2014 3:04 PM > To: dev > Subject: [dpdk-dev] l2fwd not working on PF while working on VF >=20 > Dear All >=20 > I have a setup with Intel 82576 DPDK NIC. > For one of the available DPDK ports i have created 8 VFs using igb_uio ba= sed on > steps presented in programmers guide. Some of them are attached to VM, so= me > maybe used on host >=20 > After some tests with l2fwd application i found out that it is not workin= g for PF, > but works perfectly for any VF (both on host and in VM). >=20 How many queues are being allocated to each VF? According to the datasheet,= the 82576 NIC has only got 16 RX and TX queues, so if you have 8 VF's with= 2 RX and TX queues allocated to each, you may have no remaining queues lef= t for the PF to use on the host.