Dear Prashant, "git blame" is your friend. He can easily tell you which patch introduced that functionality. And than you can try to cherry-pick it on top of 18.01....
-- Damjan > On 28 Jul 2018, at 07:27, Prashant Upadhyaya <praupadhy...@gmail.com> wrote: > > Hi again Damjan, > > I am currently using VPP release 18.01 which just has the tx capture > functionality. > I see that VPP release 18.07 has introduced the rx capture functionality. > > At the moment, upgrading my release to 18.01 is not an option. > Can you please advise how easy or difficult it will be to backport the > rx capture functionality and add it as a patch to 18.01. > > Regards > -Prashant > > On Thu, Jul 26, 2018 at 4:56 PM, Prashant Upadhyaya > <praupadhy...@gmail.com> wrote: >> Thanks Damjan, >> >> I had a temporary brain-freeze, I do see there is a max parameter as well. >> >> Regards >> -Prashant >> >> >> On Thu, Jul 26, 2018 at 4:46 PM, Prashant Upadhyaya >> <praupadhy...@gmail.com> wrote: >>> Hi Damjan, >>> >>> Thanks for your CLI pointers. >>> It seems there is a limit of 100 packets which would work against my >>> requirements. >>> If you have any suggestions there before I look into the code to >>> tinker with the 100, please do let me know. >>> >>> Regards >>> -Prashant >>> >>> >>> On Thu, Jul 26, 2018 at 4:24 PM, Damjan Marion <dmar...@me.com> wrote: >>>> Dear Prashant, >>>> >>>> Try "pcap rx trace" and "pcap tx trace" command. >>>> >>>> https://git.fd.io/vpp/tree/src/plugins/dpdk/device/cli.c#n373 >>>> >>>> Also please note that VPP packet generator (pg) supports both pcap play and >>>> capture... >>>> >>>> -- >>>> Damjan >>>> >>>> On 26 Jul 2018, at 12:42, Prashant Upadhyaya <praupadhy...@gmail.com> >>>> wrote: >>>> >>>> Hi Damjan, >>>> >>>> I was hoping to use the dpdk-pdump utility (built as part of DPDK) to >>>> generate the pcap files for traffic passing through the various ports. >>>> I have used that successfully with pure vanilla DPDK primary processes >>>> (non VPP usecases). It runs as a secondary process. >>>> >>>> Well, my requirement is to generate pcap's for ports on both tx and rx >>>> -- if you have an alternate VPP-core solution, that would be great. >>>> >>>> Regards >>>> -Prashant >>>> >>>> >>>> On Wed, Jul 25, 2018 at 11:32 PM, Damjan Marion <dmar...@me.com> wrote: >>>> >>>> >>>> Dear Prashant, >>>> >>>> We had lot of operational issues with dpdk leftover files in the past, so >>>> we took special care to made them disappear ASAP. >>>> >>>> Even if they are present you will not be able to use secondary process, >>>> we simply don't support that use case. Secondary process will not be >>>> able to access buffer memory as buffer memory is allocated by VPP and not >>>> by >>>> DPDK. >>>> >>>> Please note that VPP is not application built on top of DPDK, for us DPDK >>>> is >>>> just >>>> source of device drivers wit a bit of weight around them. Typical VPP >>>> feature >>>> code can work even without DPDK being present. >>>> >>>> If you explain your use case we might be able to advise you how to approach >>>> your problem >>>> in a way native to VPP, without relying on DPDK legacy features. >>>> >>>> Regards, >>>> >>>> -- >>>> Damjan >>>> >>>> On 25 Jul 2018, at 13:11, Prashant Upadhyaya <praupadhy...@gmail.com> >>>> wrote: >>>> >>>> Hi, >>>> >>>> I am running VPP with DPDK plugin. >>>> I see that when I normally run other non VPP DPDK applications, they >>>> create a file called /var/run/.rte_config >>>> But VPP running as a DPDK application (and calling rte_eal_init) does >>>> not create this file. >>>> >>>> There are consequences of the above in certain usecases where >>>> secondary processes try to look at this file. >>>> >>>> Can somebody advise why this file is not created when VPP is run with >>>> DPDK plugin. Or what needs to be done so that it does get created, or >>>> perhaps it is getting created somewhere that I am not aware of. I am >>>> running VPP as root. >>>> >>>> Regards >>>> -Prashant >>>> -=-=-=-=-=-=-=-=-=-=-=- >>>> Links: You receive all messages sent to this group. >>>> >>>> View/Reply Online (#9929): https://lists.fd.io/g/vpp-dev/message/9929 >>>> Mute This Topic: https://lists.fd.io/mt/23811660/675642 >>>> Group Owner: vpp-dev+ow...@lists.fd.io >>>> Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [dmar...@me.com] >>>> -=-=-=-=-=-=-=-=-=-=-=- >>>> >>>> >>>>
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