netdev - Re: Q: How to disable vlan strip in Intel igb driver ?

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Message-ID: <CAKgT0UcZ310qcrxQGqSu9+WWwKMukPPgpqPa=HRO0-oO8Tx_4g@mail.gmail.com>
Date:	Sun, 1 May 2016 10:08:29 -0700
From:	Alexander Duyck <alexander.duyck@...il.com>
To:	Ran Shalit <ranshalit@...il.com>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Cc:	Netdev <netdev@...r.kernel.org>
Subject: Re: Q: How to disable vlan strip in Intel igb driver ?

On Sun, May 1, 2016 at 6:13 AM, Ran Shalit <ranshalit@...il.com> wrote:
> Hello,
>
>
> I am using intel igb driver in Linux.
>
> The driver strip the packet from vlan inofmation. But we need this
> information in the packet.
>
> We tried to change build flag, or see if there is any feature with
> ethtool that can disable this feature, but nothing helps.
>
>
> Is there any way to achive this ?
>
> Regards,
>
> Ran

You should be able to turn off the offload by setting
"rx-vlan-offload" to "off" via "ethtool -K".

- Alex