David Miller wrote:
> From: Patrick McHardy <kaber@trash.net>
> Date: Mon, 23 Nov 2009 23:11:07 +0100
>
>   
>> David Miller wrote:
>>     
>>> From: Patrick McHardy <kaber@trash.net>
>>> Date: Mon, 23 Nov 2009 11:33:06 +0100
>>>
>>>   
>>>       
>>>> Fix macvlan gso_max_size setting. Based on net-next-2.6.git.
>>>>         
>>> Pretty serious defect, maybe net-2.6 material?
>>>       
>> Sure, please take it in net-2.6.
>>     
>
> Done, thanks.
>
>   
>>> If someone hits this, it's going to trigger something awful.
>>>       
>> Don't drivers simply drop the packet? Otherwise I think you
>> should be able to trigger the same problem using the TC mirred
>> action.
>>     
>
> I see nothing in the IXGBE driver's transmit code paths which guard
> against this.
>   


Perhaps we should simply fall back to software in that case.
Compile tested only.