From: Stephen Hemminger <[email protected]>
Date: Wed, 15 Sep 2010 18:16:16 -0700

> On Thu, 16 Sep 2010 00:28:11 +0200
> Eric Dumazet <[email protected]> wrote:
> 
>> BTW, we have a similar problem for bonding ( GRO is disabled )
>> 
>> # ethtool -K bond0 gro off
>> # ethtool -K bond0 gro on
>> Cannot set device GRO settings: Invalid argument
>> 
>> Same for vlans on top of bond0
> 
> Bridge has same problem as well.

Looking this over it should be a simple matter of:

1) Adding the generic get/set gro ethtool ops to bonding
   and bridge device ops.

2) Set NETIF_F_GRO in bond/bridge device flags

3) Maybe some minor fiddling with netdev_increment_features
   and the flag macros it uses?

Patches welcome :-)

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