Re: [PATCH RFC] net: vlan: reverse 4 bytes of vlan header when setting initial MTU

From: David Ahern
Date: Mon Oct 21 2019 - 22:47:25 EST


On 10/21/19 7:31 PM, Yunsheng Lin wrote:
> Or we just leave it as it is, and expect user to manually configure the MTU
> of vlan netdev to the MTU of thelower device minus vlan header when the
> performace in the above case is a concern to user?
>

for now, I would think so. vlan on a vxlan device ... you are going
after q-in-q'ish with vxlan? that can not be a common deployment.