From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 9A1C4DE3 for ; Fri, 7 Feb 2014 10:12:24 +0100 (CET) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 07 Feb 2014 01:13:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,799,1384329600"; d="scan'208";a="477455014" Received: from irsmsx102.ger.corp.intel.com ([163.33.3.155]) by fmsmga002.fm.intel.com with ESMTP; 07 Feb 2014 01:13:44 -0800 Received: from irsmsx151.ger.corp.intel.com (163.33.192.59) by IRSMSX102.ger.corp.intel.com (163.33.3.155) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 7 Feb 2014 09:13:42 +0000 Received: from irsmsx103.ger.corp.intel.com ([169.254.3.84]) by IRSMSX151.ger.corp.intel.com ([169.254.4.192]) with mapi id 14.03.0123.003; Fri, 7 Feb 2014 09:13:42 +0000 From: "Richardson, Bruce" To: Sharath , Vladimir Medvedkin Thread-Topic: [dpdk-dev] checking packet drop at NIC Thread-Index: AQHPG+oHgBvu4HUG4EeRZ4zDk5NZM5qb1JyAgAEnDoCAACckgIABOj4AgAAQ/QCAAAWXAIAJU1AAgAGQU4CAADn6EA== Date: Fri, 7 Feb 2014 09:13:42 +0000 Message-ID: <59AF69C657FD0841A61C55336867B5B01A999A51@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: [163.33.239.180] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] checking packet drop at NIC 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: Fri, 07 Feb 2014 09:12:25 -0000 The Intel DPDK does not at present support interrupts for dropped packets. = Only support for link status change interrupts are supported at this time, = but since the basics are there, it is possible with a bit of work to add ha= ndling for other interrupts if so needed. Regards, /Bruce > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Sharath > Sent: Friday, February 07, 2014 5:44 AM > To: Vladimir Medvedkin > Cc: dev@dpdk.org > Subject: Re: [dpdk-dev] checking packet drop at NIC >=20 > hi all, > can anyone please let me know about this ?? >=20 > Tx, > -SB >=20 >=20 > On Thu, Feb 6, 2014 at 11:20 AM, Sharath > wrote: >=20 > > hi Vladimir, > > > > I would like to know if there are any callback mechanism to detect > > FIFO errors in NIC ? > > could you please let me know. > > > > Tx > > -SB > > > > > > On Fri, Jan 31, 2014 at 12:56 PM, Sharath > wrote: > > > >> thank you Vladimir. > >> > >> > >> On Fri, Jan 31, 2014 at 12:36 PM, Vladimir Medvedkin < > >> medvedkinv@gmail.com> wrote: > >> > >>> Hi Sharath, > >>> > >>> In DPDK interrupts are disabled to eliminate the performance overhead= . > >>> Interrupts used only for link status change. So you can poll > >>> rte_eth_stats_get and check struct rte_eth_stats for errors. > >>> > >>> Regards, > >>> Vladimir > >>> > >>> > >>> > >>> 2014-01-31 Sharath > >>> > >>> Hi Daniel & all, > >>>> > >>>> can anyone please let me know about this. > >>>> > >>>> Tx > >>>> -SB > >>>> > >>>> > >>>> On Thu, Jan 30, 2014 at 4:50 PM, Sharath > >>>> >>>> >wrote: > >>>> > >>>> > hi! > >>>> > > >>>> > are there any interrupts which are raised by DPDK, for the fifo > >>>> errors. > >>>> > > >>>> > please let me know, where can I find the details and how to > >>>> > handle > >>>> such > >>>> > interrupts ? > >>>> > > >>>> > Tx > >>>> > -SB > >>>> > > >>>> > > >>>> > On Thu, Jan 30, 2014 at 2:30 PM, Sharath < > >>>> sharathjm.bharadwaj@gmail.com>wrote: > >>>> > > >>>> >> Thanks Daniel ! > >>>> >> Let me check it out . . . > >>>> >> On Jan 29, 2014 8:54 PM, "Daniel Kaminsky" < > >>>> >> daniel.kaminsky@infinitelocality.com> wrote: > >>>> >> > >>>> >>> Hi Sharath, > >>>> >>> > >>>> >>> Try rte_eth_stats_get, I think this should give you what you're > >>>> looking > >>>> >>> for. > >>>> >>> > >>>> >>> Regards, > >>>> >>> Daniel > >>>> >>> > >>>> >>> > >>>> >>> On Tue, Jan 28, 2014 at 7:29 AM, Sharath < > >>>> sharathjm.bharadwaj@gmail.com>wrote: > >>>> >>> > >>>> >>>> hi ! > >>>> >>>> > >>>> >>>> can someone please tell me whether the DPDK provides any > >>>> >>>> method to handle below > >>>> >>>> > >>>> >>>> a. account the packet drops at NIC level ? is there any > >>>> >>>> interrupt raised by DPDK for the same ? > >>>> >>>> b. to check fifo errors ? > >>>> >>>> c. way to check rx and tx in sync > >>>> >>>> > >>>> >>>> Tx, > >>>> >>>> -SB > >>>> >>>> > >>>> >>> > >>>> >>> > >>>> > > >>>> > >>> > >>> > >> > >