On 10 December 2015 at 10:29, Denis Pearson <dennix.pear...@gmail.com> wrote: > On Thu, Dec 10, 2015 at 2:18 PM, Eggert, Lars <l...@netapp.com> wrote: > >> On 2015-10-26, at 18:40, Eggert, Lars <l...@netapp.com> wrote: >> > On 2015-10-26, at 17:08, Pieper, Jeffrey E <jeffrey.e.pie...@intel.com> >> wrote: >> >> As a caveat, this was using default netperf message sizes. >> > >> > I get the same ~3 Gb/s with the default netperf sizes and driver 1.4.5. >> >> Now there is version 1.4.8 on the Intel website, but it doesn't change >> things for me. >> > > I had the opportunity to see similar numbers and behavior while using XL710 > 1.4.3 as of FreeBSD r291085 while in DPDK poll mode, but driver 1.2.8 as of > r292035 was providing expected numbers. While removing rxcsum/txcsum did > not provide differences, fully removing RSS + disabling rx/cxsum support > provided better numbers.
Can someone debug this a bit more? (My kit with ixl NICs in it is still not up and available. :( ) Device RSS, even without kernel RSS enabled, shouldn't cause a massive performance drop. If it is then something else odd is going on. Do you have a diff where you removed things? -adrian > However now with driver 1.4.8 and the same set of hardware setup, except > for a different transceiver, I can get 36Gbps/24Mpps with no further > tweaks, so if you can replace your transceiver, shall be a different test > as a starting point. _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
