[Intel-wired-lan] [next PATCH 0/3] TSO and checksum fixes for i40e

Alexander Duyck alexander.duyck at gmail.com
Wed Jan 20 16:24:17 UTC 2016


On Thu, Jan 14, 2016 at 8:41 PM, Alexander Duyck <aduyck at mirantis.com> wrote:
> This patch set is meant to improve the performance and reliability of i40e
> when it comes to performing TSO and Tx checksum offloads related to tunnels.
>
> I have tested it with a number of combinations of v4 over v6 and v6 over v4
> for VXLANs.  With this patch set I resolved a number of issues and I am now
> able to perform TSO for any of them as long as the outer UDP checksum is 0.
> It should also now be supported if the outer checksum is enabled in the
> case of the XL722, though I cannot test it.
>
> I was able to verify IPv6 TSO is working correctly, however it seems like
> if I use VXLAN over IPv6 I am not seeing any receive checksum offloads.
> I'm still trying to work out that bit but as far as I can tell I haven't
> configured anything incorrectly as the receiving end is getting the frames
> in the proper format.
>
> I'll be out on vacation for the next several days so if anything comes up I
> will address it on Tuesday.
>

Jeff,

Between the fix from Arnd for the build issue and the sparse warnings
I will be submitting a v2 of my patches.  Could you please drop the
existing set from the tree?

Thanks.

-Alex


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