From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <martin.weiser@allegro-packets.com> Received: from smtprelay04.ispgateway.de (smtprelay04.ispgateway.de [80.67.31.38]) by dpdk.org (Postfix) with ESMTP id 7F21A924B for <dev@dpdk.org>; Thu, 22 Oct 2015 09:46:06 +0200 (CEST) Received: from [87.172.153.71] (helo=nb-martin.allegro) by smtprelay04.ispgateway.de with esmtpsa (TLSv1.2:DHE-RSA-AES128-SHA:128) (Exim 4.84) (envelope-from <martin.weiser@allegro-packets.com>) id 1ZpAZZ-0001WQ-RY; Thu, 22 Oct 2015 09:46:05 +0200 To: Andriy Berestovskyy <aber@semihalf.com> References: <56274EFE.5040706@allegro-packets.com> <CAOysbxporsT==wR5DxO7gAima77Xe9+FWnfa4ys0DFabOV5+Xw@mail.gmail.com> From: Martin Weiser <martin.weiser@allegro-packets.com> X-Enigmail-Draft-Status: N1010 Message-ID: <5628943D.80401@allegro-packets.com> Date: Thu, 22 Oct 2015 09:46:05 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <CAOysbxporsT==wR5DxO7gAima77Xe9+FWnfa4ys0DFabOV5+Xw@mail.gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Df-Sender: bWFydGluLndlaXNlckBhbGxlZ3JvLXBhY2tldHMuY29t Cc: dev@dpdk.org Subject: Re: [dpdk-dev] ixgbe: ierrors counter spuriously increasing in DPDK 2.1 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Thu, 22 Oct 2015 07:46:06 -0000 Hi Andriy, thank you for pointing this discussion out to me. I somehow missed it. Unfortunately it looks like the discussion stopped after Maryam made a good proposal so I will vote in on that and hopefully get things started again. Best regards, Martin On 21.10.15 17:53, Andriy Berestovskyy wrote: > Yes Marcin, > The issue was discussed here: > http://dpdk.org/ml/archives/dev/2015-September/023229.html > > You can either fix the ierrors in ixgbe_dev_stats_get() or implement a > workaround in your app getting the extended statistics and counting > out some of extended counters from the ierrors. > > Here is an example: > https://github.com/Juniper/contrail-vrouter/commit/72f6ca05ac81d0ca5e7e= b93c6ffe7a93648c2b00#diff-99c1f65a00658c7d38b3d1b64cb5fd93R1306 > > Regards, > Andriy > > On Wed, Oct 21, 2015 at 10:38 AM, Martin Weiser > <martin.weiser@allegro-packets.com> wrote: >> Hi, >> >> with DPDK 2.1 we are seeing the ierrors counter increasing for 82599ES= >> ports without reason. Even directly after starting test-pmd the error >> counter immediately is 1 without even a single packet being sent to th= e >> device: >> >> ./testpmd -c 0xfe -n 4 -- --portmask 0x3 --interactive >> ... >> testpmd> show port stats all >> >> ######################## NIC statistics for port 0 ################= ######## >> RX-packets: 0 RX-missed: 0 RX-bytes: 0 >> RX-badcrc: 0 RX-badlen: 0 RX-errors: 1 >> RX-nombuf: 0 >> TX-packets: 0 TX-errors: 0 TX-bytes: 0 >> ####################################################################= ######## >> >> ######################## NIC statistics for port 1 ################= ######## >> RX-packets: 0 RX-missed: 0 RX-bytes: 0 >> RX-badcrc: 0 RX-badlen: 0 RX-errors: 1 >> RX-nombuf: 0 >> TX-packets: 0 TX-errors: 0 TX-bytes: 0 >> ####################################################################= ######## >> >> >> When packet forwarding is started the ports perform normally and >> properly forward all packets but a huge number of ierrors is counted: >> >> testpmd> start >> ... >> testpmd> show port stats all >> >> ######################## NIC statistics for port 0 ################= ######## >> RX-packets: 9011857 RX-missed: 0 RX-bytes: 5020932992 >> RX-badcrc: 0 RX-badlen: 0 RX-errors: 9011753 >> RX-nombuf: 0 >> TX-packets: 9026250 TX-errors: 0 TX-bytes: 2922375542 >> ####################################################################= ######## >> >> ######################## NIC statistics for port 1 ################= ######## >> RX-packets: 9026250 RX-missed: 0 RX-bytes: 2922375542 >> RX-badcrc: 0 RX-badlen: 0 RX-errors: 9026138 >> RX-nombuf: 0 >> TX-packets: 9011857 TX-errors: 0 TX-bytes: 5020932992 >> ####################################################################= ######## >> >> >> When running the exact same test with DPDK version 2.0 no ierrors are >> reported. >> Is anyone else seeing strange ierrors being reported for Intel Niantic= >> cards with DPDK 2.1? >> >> Best regards, >> Martin >> > >