On Wed, Jul 04, 2018 at 08:33:24PM +0200, Linus Walleij wrote:
> The hardware supposedly handles frames up to 10236 bytes and
> implements .ndo_change_mtu() so accept 10236 minus the ethernet
> header for a VLAN tagged frame on the netdevices. Use
> ETH_MIN_MTU as minimum MTU.
> 
> Signed-off-by: Linus Walleij <linus.wall...@linaro.org>

Hi Linus

Did you try with an MTU of 68? Maybe the vendor picked 256 because of
a hardware limit?

Otherwise the change looks good.

          Andrew

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