From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qa0-f43.google.com (mail-qa0-f43.google.com [209.85.216.43]) by dpdk.org (Postfix) with ESMTP id BB86158E8 for ; Wed, 9 Apr 2014 17:19:53 +0200 (CEST) Received: by mail-qa0-f43.google.com with SMTP id j15so2572768qaq.16 for ; Wed, 09 Apr 2014 08:21:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=SrO28uiEkXRMlrDU/7DLORwIaXb4Y7qfSjt3dl/+cLo=; b=spx+FiUilmRAfmGL7rTLRC6vpQcW1NiNZYH6yuFDBOHdv+UIpF6P452YKvKXXULg7j ddpxw0xkqem3Z7N8Af1pYxdN3+Icw4hVdi1/oSFHPb8BL5Gwp5Z/6tG/wuRNCI32YNVB 2lTVDwCYmUWawk2uijy2E4wGrsZf+Bijc43WB0MSGx3kZKmNAvO3t0Ned/AE2aqkKuI7 hC9A+fZucQhLfg1z99PHaY3RTJCDCeI3q/J417G5ZO13+X7Z91vm9VMHJQkWSK1FdAZ0 ucK9Zr5H0j10OZ1MIXONTqTuSILyoZ5zhHZd9MR8EIsAeRzGaqZ8BDVfxco3tnrsndfh xyCA== X-Received: by 10.224.165.139 with SMTP id i11mr13424560qay.94.1397056890617; Wed, 09 Apr 2014 08:21:30 -0700 (PDT) MIME-Version: 1.0 Received: by 10.96.99.35 with HTTP; Wed, 9 Apr 2014 08:21:00 -0700 (PDT) In-Reply-To: <59AF69C657FD0841A61C55336867B5B01A9FA0C0@IRSMSX103.ger.corp.intel.com> References: <59AF69C657FD0841A61C55336867B5B01A9FA0C0@IRSMSX103.ger.corp.intel.com> From: Tomasz K Date: Wed, 9 Apr 2014 17:21:00 +0200 Message-ID: To: "Richardson, Bruce" Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: dev 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 15:19:54 -0000 Hi Bruce Thanks for the tip. I changed VFs to 6 and now everything works ok on PF. Thank You very much Tomasz Kasowicz 2014-04-09 17:10 GMT+02:00 Richardson, Bruce : > > -----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 > > > > Dear All > > > > I have a setup with Intel 82576 DPDK NIC. > > For one of the available DPDK ports i have created 8 VFs using igb_uio > based on > > steps presented in programmers guide. Some of them are attached to VM, > some > > maybe used on host > > > > After some tests with l2fwd application i found out that it is not > working for PF, > > but works perfectly for any VF (both on host and in VM). > > > 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 left for the PF to use on the host. >