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

Pravin Shelar pshelar at nicira.com
Mon Aug 10 17:37:04 UTC 2015


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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