From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Parikh, Neerav" Subject: RE: [Intel-wired-lan] i40e error handling LLDP messages from Arista switches Date: Tue, 19 Apr 2016 17:53:14 +0000 Message-ID: <739353123C992A4C8800D77E2094259090524953@ORSMSX103.amr.corp.intel.com> References: <739353123C992A4C8800D77E20942590905248DF@ORSMSX103.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "netdev@vger.kernel.org" , "intel-wired-lan@lists.osuosl.org" , "Parikh, Neerav" To: Jeremy Ashton Return-path: Received: from mga09.intel.com ([134.134.136.24]:65420 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933228AbcDSRxQ (ORCPT ); Tue, 19 Apr 2016 13:53:16 -0400 In-Reply-To: <739353123C992A4C8800D77E20942590905248DF@ORSMSX103.amr.corp.intel.com> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: UmVzZW5kaW5nIGFzIHRoZSBvcmlnaW5hbCBlbWFpbCB3YXMgc2VudCBpbiBIVExNIGZvcm1hdCBh 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<739353123C992A4C8800D77E20942590905248DF@ORSMSX103.amr.corp.intel.com> References: <739353123C992A4C8800D77E20942590905248DF@ORSMSX103.amr.corp.intel.com> Message-ID: <739353123C992A4C8800D77E2094259090524953@ORSMSX103.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: Resending as the original email was sent in HTLM format and hence my reply went in that format as well; which got rejected by netdev mailer. > -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces at lists.osuosl.org] On Behalf Of Parikh, Neerav > Sent: Tuesday, April 19, 2016 10:45 AM > To: Jeremy Ashton > Cc: netdev at vger.kernel.org; intel-wired-lan at lists.osuosl.org > Subject: Re: [Intel-wired-lan] i40e error handling LLDP messages from Arista switches > > > From: Intel-wired-lan [mailto:intel-wired-lan-bounces at lists.osuosl.org] On Behalf Of Jeremy Ashton > > Sent: Tuesday, April 19, 2016 10:26 AM > > Cc: netdev at vger.kernel.org; intel-wired-lan at lists.osuosl.org > > Subject: [Intel-wired-lan] i40e error handling LLDP messages from Arista switches > > > > I have been trying to get pf_ring with zc running on ubuntu 14.04.? The thread can be found here: > > > > https://github.com/ntop/PF_RING/issues/81 > > > > Unfortunately it seems there is a bug in i40e which is carried into the code base for i40e_zc. > > > > $ modinfo i40e > > filename: ? ? ? /lib/modules/3.19.0-58-generic/kernel/drivers/net/ethernet/intel/i40e/i40e.ko > > version: ? ? ? ?1.2.2-k > > license: ? ? ? ?GPL > > description: ? ?Intel(R) Ethernet Connection XL710 Network Driver > > author: ? ? ? ? Intel Corporation, > > srcversion: ? ? E3DEEE00F49BBFBB8FF33A7 > > alias: ? ? ? ? ?pci:v00008086d00001586sv*sd*bc*sc*i* > > alias: ? ? ? ? ?pci:v00008086d00001585sv*sd*bc*sc*i* > > alias: ? ? ? ? ?pci:v00008086d00001584sv*sd*bc*sc*i* > > alias: ? ? ? ? ?pci:v00008086d00001583sv*sd*bc*sc*i* > > alias: ? ? ? ? ?pci:v00008086d00001581sv*sd*bc*sc*i* > > alias: ? ? ? ? ?pci:v00008086d00001580sv*sd*bc*sc*i* > > alias: ? ? ? ? ?pci:v00008086d0000157Fsv*sd*bc*sc*i* > > alias: ? ? ? ? ?pci:v00008086d00001574sv*sd*bc*sc*i* > > alias: ? ? ? ? ?pci:v00008086d00001572sv*sd*bc*sc*i* > > depends: ? ? ? ?ptp,vxlan > > intree: ? ? ? ? Y > > vermagic: ? ? ? 3.19.0-58-generic SMP mod_unload modversions > > signer: ? ? ? ? Magrathea: Glacier signing key > > sig_key: ? ? ? ?DE:B3:43:0A:26:E6:7D:3D:3B:54:B9:DD:13:25:B3:3A:46:B2:F2:DD > > sig_hashalgo: ? sha512 > > part: ? ? ? ? ? debug:Debug level (0=none,...,16=all) (int) > > > > > > I wonder if someone might offer some insight as to the next steps to debug/resolve this. > > > > Cheers. > > > > Can you send us the dmesg output after running i40e debugfs commands > > viz. ?dump port?, ?llpd get local? , ?lldp get remote?, for the port that is showing > > this behavior? Also, do you happen to know what is the Arista side configuration? > > This will help us debug better. > > > > Thanks, > > Neerav