netdev - Re: [PATCH net 3/3] gre: receive also TEB packets for lwtunnels

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Message-ID: <20160428102335.7cff8166@griffin>
Date:	Thu, 28 Apr 2016 10:23:35 +0200
From:	Jiri Benc <jbenc@...hat.com>
To:	Simon Horman <simon.horman@...ronome.com>
Cc:	netdev@...r.kernel.org, Pravin B Shelar <pshelar@...ira.com>,
	Thomas Graf <tgraf@...g.ch>
Subject: Re: [PATCH net 3/3] gre: receive also TEB packets for lwtunnels

On Thu, 28 Apr 2016 16:49:19 +1000, Simon Horman wrote:
> I have had some success wiring up Open vSwitch to use this patch for
> transmit. However, I am wondering if something more is needed to allow
> differentiation between packets with and without an L2 header present
> on receive.

The problem, as Pravin pointed out, is the patch does not correctly set
skb->protocol to ETH_P_TEB because of special handling of ETH_P_TEB in
iptunnel_pull_header. This will be fixed in v2 of the patch.

No flag will be needed then, just use skb->protocol.

 Jiri