On Thu, 2018-12-13 at 09:40 +0100, Nikola Ciprich wrote: > Hi Saeed, > > > for now i feel that you don't want csum complete in your servers > > and we > > already have the tool for that, just do: > > > > ethtool --set-priv-flags <ifname> rx_no_csum_complete on > > ethtool --show-priv-flags <ifname> > > Private flags for p5p1: > > rx_cqe_moder : on > > tx_cqe_moder : off > > rx_cqe_compress : off > > rx_striding_rq : off > > rx_no_csum_complete: on > > > > this will disable csum complete and avoid the csum error for padded > > short packets. > > we're experiencing the same issue with 4.19 and I'd like to hotfix > it now before the issue is fixed in the kernel.. however I don't see > the flags in ethtool (even with latest 4.19 version..)
Hi Nikola 4.19 is missing this priv flag, it was only submitted to 4.20 commit b856df28f9230a47669efbdd57896084caadb2b3 Author: Or Gerlitz <ogerl...@mellanox.com> Date: Sun Jul 1 08:58:38 2018 +0000 net/mlx5e: Allow reporting of checksum unnecessary > I'm using following cards: > > d8:00.0 Ethernet controller: Mellanox Technologies MT27710 Family > [ConnectX-4 Lx] > > Am i doing something wrong, or is this different issue? > Most likely the same issue, we are finalizing the patch initially proposed by Cong, you can find it here, I plan to submit it next week, after all the regression tests. https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git/commit/?h=topic/csum-fix It would be nice if you verify this fixes your issue. Thanks, Saeed. > thanks a lot in advance > > BR > > nik > > > > > > > > > > > Thanks, > > Saeed. > >