netdev - Re: [PATCH net-next v2 2/3] openvswitch: remove unreachable code in vlan parsing

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Message-ID: <20161006110839.46c82fc4@griffin>
Date:   Thu, 6 Oct 2016 11:08:39 +0200
From:   Jiri Benc <jbenc@...hat.com>
To:     Pravin Shelar <pshelar@....org>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Eric Garver <e@...g.me>
Subject: Re: [PATCH net-next v2 2/3] openvswitch: remove unreachable code in
 vlan parsing

On Wed, 5 Oct 2016 22:22:13 -0700, Pravin Shelar wrote:
> User can turn off TX vlan offload for OVS internal device that would
> allow vlan tagged packet with vlan header on the skb-data. This case
> will cause issue here.

Good catch. This is the feedback I hoped for, not the bikesheding about
a value of unused variable :-)

> We could handle this case by not allowing this configuration.

I'm not sure how clean this is but let's try and see if anyone objects.
I'll send v3.

I also noticed we don't set NETIF_F_HW_VLAN_STAG_TX on internal ports.
I'll fix it, too.

Thanks!

 Jiri