From: Phil Oester <kernel@linuxace.com>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
cedric@schieli.dyndns.org, coreteam@netfilter.org
Subject: Re: [PATCH] Avoid unncessary checksum validation in TCP/UDP netfilter
Date: Fri, 27 May 2005 04:20:39 -0700 [thread overview]
Message-ID: <20050527112039.GA10084@linuxace.com> (raw)
In-Reply-To: <E1DbccR-00063Q-00@mta1.cl.cam.ac.uk>
On Fri, May 27, 2005 at 12:03:08PM +0100, Keir Fraser wrote:
> The TCP/UDP connection-tracking code in netfilter validates the
> checksum of incoming packets, to prevent nastier errors further down
> the road. This check is unnecessary if the skb is marked as
> CHECKSUM_UNNECESSARY.
It seems at least part of this has already been merged in 2.6.12-rc
http://www.kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=blobdiff;h=721ddbf522b422d554479a7ab15c0955798f16ee;hp=2b87c1974be605d5bdb1ee769188d7e03fb2ddc8;hb=31da185d8162ae0f30a13ed945f1f4d28d158133;f=net/ipv4/netfilter/ip_conntrack_proto_tcp.c
Phil
next prev parent reply other threads:[~2005-05-27 11:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-27 11:03 [PATCH] Avoid unncessary checksum validation in TCP/UDP netfilter Keir Fraser
2005-05-27 11:03 ` Keir Fraser
2005-05-27 11:20 ` Phil Oester [this message]
2005-05-28 8:48 ` Keir Fraser
2005-05-28 8:48 ` Keir Fraser
2005-06-12 15:06 ` [netfilter-core] " Patrick McHardy
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