netdev - Re: [PATCH 4/11] [IPSEC]: Move ip_summed zapping out of xfrm6_rcv

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Message-Id: <20071017.213015.77061253.davem@davemloft.net>
Date:	Wed, 17 Oct 2007 21:30:15 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	yoshfuji@...ux-ipv6.org, kaber@...sh.net, netdev@...r.kernel.org
Subject: Re: [PATCH 4/11] [IPSEC]: Move ip_summed zapping out of
 xfrm6_rcv_spi

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Wed, 17 Oct 2007 22:34:11 +0800

> [IPSEC]: Move ip_summed zapping out of xfrm6_rcv_spi
> 
> Not every transform needs to zap ip_summed.  For example, a pure tunnel
> mode encapsulation does not affect the hardware checksum at all.  In fact,
> every algorithm (that needs this) other than AH6 already does its own
> ip_summed zapping.
> 
> This patch moves the zapping into AH6 which is in line with what IPv4 does.
> 
> Possible future optimisation: Checksum the data as we copy them in IPComp.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Applied.
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