[ovs-dev] [PATCH] datapath: skip checksum of gro packet

Ben Pfaff blp at nicira.com
Thu Aug 20 04:05:16 UTC 2015


I don't think you attached the patch.

On Mon, Aug 10, 2015 at 10:37:04AM -0700, Pravin Shelar wrote:
> On Mon, Aug 10, 2015 at 2:05 AM, Zang MingJie <zealot0630 at gmail.com> wrote:
> > Any progress? Or direction, maybe I can help.
> >
> Sorry for late reply. Attached is patch I was working on. Can you try it?
> 
> Thanks,
> Pravin.
> 
> > On Mon, Jul 27, 2015 at 1:54 PM Jesse Gross <jesse at nicira.com> wrote:
> >>
> >> On Fri, Jul 24, 2015 at 2:28 AM, Zang MingJie <zealot0630 at gmail.com>
> >> wrote:
> >> > Newer kernel will do gro on vxlan packet, after gro the tcp checksum
> >> > encapsulated in the packet is wrong but the origin checksum is already
> >> > verified.
> >> >
> >> > The patch skips verifying checksum of all gro packets.
> >>
> >> I think this solution is too narrowly tailored to VXLAN and GRO and
> >> won't catch all cases.. I believe that Pravin is currently working on
> >> a more general solution.
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