netdev - Re: [PATCH net-next 2/3] net: mpls: Fixups for GSO

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Date:   Tue, 27 Sep 2016 09:45:36 +0200
From:   Jiri Benc <jbenc@...hat.com>
To:     David Ahern <dsa@...ulusnetworks.com>
Cc:     pravin shelar <pshelar@....org>,
        Simon Horman <simon.horman@...ronome.com>,
        Pravin B Shelar <pshelar@...ira.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>, buytenh@...tstofly.org,
        "Eric W. Biederman" <ebiederm@...ssion.com>, rshearma@...cade.com,
        tom@...bertland.com, Thomas Graf <tgraf@...g.ch>,
        olivier.dugeon@...nge.com,
        Alexander Duyck <alexander.duyck@...il.com>,
        roopa@...ulusnetworks.com
Subject: Re: [PATCH net-next 2/3] net: mpls: Fixups for GSO

On Mon, 26 Sep 2016 20:04:06 -0600, David Ahern wrote:
> you know this code better than me, but key_extract pulls the eth
> header and then sets network header. If MPLS labels are present then
> it is the labels that the network_header now points to. How did come
> to the conclusion it is after the labels?

Look ~100 lines below that, to "if (eth_p_mpls(key->eth.type))".
There's a while loop advancing network header.

 Jiri