netdev - Re: [PATCH net-next v2] net: filter: constify detection of pkt_type

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Message-Id: <20140913.170824.959567788304681370.davem@davemloft.net>
Date:	Sat, 13 Sep 2014 17:08:24 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com,
	markos.chandras@...tec.com, schwidefsky@...ibm.com,
	dborkman@...hat.com, alexei.starovoitov@...il.com,
	kda@...ux-powerpc.org
Subject: Re: [PATCH net-next v2] net: filter: constify detection of
 pkt_type_offset

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Fri, 12 Sep 2014 14:04:43 +0200

> Currently we have 2 pkt_type_offset functions doing the same thing and
> spread across the architecture files. Remove those and replace them
> with a PKT_TYPE_OFFSET macro helper which gets the constant value from a
> zero sized sk_buff member right in front of the bitfield with offsetof.
> This new offset marker does not change size of struct sk_buff.
> 
> Cc: Eric Dumazet <eric.dumazet@...il.com>
> Cc: Markos Chandras <markos.chandras@...tec.com>
> Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
> Cc: Daniel Borkmann <dborkman@...hat.com>
> Cc: Alexei Starovoitov <alexei.starovoitov@...il.com>
> Signed-off-by: Denis Kirjanov <kda@...ux-powerpc.org>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
> ---
> 
> v2) Incorporated Daniel's feedback. I first misinterpreted the feedback
>     as something not related to pkt_type_offset.

Applied, thanks.
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