Bug#673107: kirkwood: TCP checksum errors when using MTU 9000

[Arnaud Patard (Rtp) <arnaud.patard@rtp-net.org>]

Martin Michlmayr <tbm@cyrius.com> writes:

Hi,

> Package: linux-2.6
> Version: 2.6.32-45
>
> A user on the Kirkwood platform reported TCP checksum errors when
> using MTU 9000:
> http://forum.qnap.com/viewtopic.php?f=147&t=59281&p=266527#p266527
>
> This has been previously discussed:
> http://lists.debian.org/debian-arm/2009/11/msg00087.html
>
> iirc a patch went into the kernel to set the limits for the various
> platforms (orion, kirkwood)... or maybe it was just discussed and
> never went in.

>From a quick look, it seems that the support to handle the smaller FIFO
on kirkwood/dove has been merged on the ethernet driver side but has
never been merged in the platform code. Will make a patch and come back
once I'll have more informations.

Thanks,
Arnaud