netdev - Re: [PATCH net-next v10 1/5] net: add skb_vlan

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Date:	Thu, 2 Jun 2016 15:01:32 -0700
From:	pravin shelar <pshelar@....org>
To:	Simon Horman <simon.horman@...ronome.com>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	ovs dev <dev@...nvswitch.org>
Subject: Re: [PATCH net-next v10 1/5] net: add skb_vlan_accel helper

On Wed, Jun 1, 2016 at 11:24 PM, Simon Horman
<simon.horman@...ronome.com> wrote:
> This breaks out some of of skb_vlan_pop into a separate helper.
> This new helper moves the outer-most vlan tag present in packet data
> into metadata.
>
> The motivation is to allow acceleration VLAN tags without adding a new
> one. This is in preparation for a push ethernet header support in Open
> vSwitch.
>
> Signed-off-by: Simon Horman <simon.horman@...ronome.com>
>

I am not sure we need this function at this point. I will post comment
on patch 4 where it is used.