Hi Alex,

On Mon, 28 Nov 2016 13:32:21 -0800 Alexander Duyck <alexander.du...@gmail.com> 
wrote:
>
> So I think I have this root caused.  The problem seems to be the fact
> that I chose to use lco_csum when trying to cancel out the inner IP
> header from the checksum and it turns out that the transport offset is
> never updated in the case of these tunnels.
> 
> For now a workaround is to just set tx-gso-partial to off on the
> interface the tunnel is running over and you should be able to pass
> traffic without any issues.

OK, so that works (even with gso and tso set to "on" on the sit
interface).  Thanks.

> I have a patch for igb/igbvf that should be out in the next hour or so
> which should address it.

That will be a bit harder to test, but I will see what I can do.

-- 
Cheers,
Stephen Rothwell

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