linux-kernel - Re: [PATCH] netfilter: add CHECKSUM target

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Message-ID: <alpine.LSU.2.01.1007091154120.7235@obet.zrqbmnf.qr>
Date:	Fri, 9 Jul 2010 11:56:26 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	"Michael S. Tsirkin" <mst@...hat.com>
cc:	Patrick McHardy <kaber@...sh.net>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	"Pekka Savola (ipv6)" <pekkas@...core.fi>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	linux-kernel@...r.kernel.org, netfilter-devel@...r.kernel.org,
	netfilter@...r.kernel.org, coreteam@...filter.org,
	netdev@...r.kernel.org, herbert.xu@...hat.com, kvm@...r.kernel.org
Subject: Re: [PATCH] netfilter: add CHECKSUM target


On Friday 2010-07-09 00:29, Michael S. Tsirkin wrote:
>
> include/linux/netfilter_ipv4/ipt_CHECKSUM.h |   18 +++++++
> net/ipv4/netfilter/Kconfig                  |   16 ++++++
> net/ipv4/netfilter/Makefile                 |    1 +
> net/ipv4/netfilter/ipt_CHECKSUM.c           |   72 +++++++++++++++++++++++++++

New modules should use xt.

>+static unsigned int
>+checksum_tg(struct sk_buff *skb, const struct xt_action_param *par)
>+{
>+	if (skb->ip_summed == CHECKSUM_PARTIAL) {
>+		skb_checksum_help(skb);
>+	}

- {}
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