OK, thanks. > On Oct 9, 2015, at 11:52 AM, Alfredo Cardigliano <[email protected]> wrote: > > Hi Mike > yes this is expected, ZC adds some padding for performance reasons. > > Alfredo > >> On 09 Oct 2015, at 17:49, Michael Nicolazzo <[email protected]> wrote: >> >> Alfredo, >> >> I finally got it to work. It appears I needed to call max_packet_len from >> zutils.c. I assume something in there, maybe open_pfring, is needed to get >> the zc-aware driver to accept the zc open device call. But one thing I find >> puzzling. Our MTU is set to 2048. When I open the device with the standard >> driver call (no zc:), max_packet_len return 2066. But when I open it >> zc-aware, it returns 3072. Is this expected? >> >> Mike >> >>> On Oct 6, 2015, at 9:50 PM, Michael Nicolazzo <[email protected]> >>> wrote: >>> >>> OK, thanks. Haven’t gotten it to work yet, but I’ll play with the buffer >>> allocation a bit more. >>> >>> Mike >>> >>>> On Oct 6, 2015, at 6:00 PM, Alfredo Cardigliano <[email protected]> >>>> wrote: >>>> >>>> Hi Mike >>>> it seems the buffer_len parameter you are passing to >>>> pfring_zc_create_cluster() is not big enough, >>>> please refer to zcount to get the correct value. >>>> >>>> Alfredo >>>> >>>>> On 06 Oct 2015, at 23:57, Michael Nicolazzo <[email protected]> >>>>> wrote: >>>>> >>>>> Hi, >>>>> >>>>> I have an issue with my application using ZC and I hope you can provide >>>>> some insight to where the problem might be. The application runs >>>>> perfectly using standard drivers. But when I run the ZC aware driver >>>>> (ixgbe) and attempt to open the device with zc:eth3, the call to >>>>> pfring_zc_open_device fails with errno = 94. Zcount runs fine, so I >>>>> assume I have installed the driver properly. Any thoughts? >>>>> >>>>> Thanks, >>>>> >>>>> Mike >>>>> >>>>> _______________________________________________ >>>>> Ntop-misc mailing list >>>>> [email protected] >>>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>>> >>>> _______________________________________________ >>>> Ntop-misc mailing list >>>> [email protected] >>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> >> >> _______________________________________________ >> Ntop-misc mailing list >> [email protected] >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc
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