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

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Message-ID: <4C37501A.3070807@trash.net>
Date:	Fri, 09 Jul 2010 18:36:42 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Jan Engelhardt <jengelh@...ozas.de>
CC:	"Michael S. Tsirkin" <mst@...hat.com>,
	"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

Am 09.07.2010 18:26, schrieb Jan Engelhardt:
> 
> On Friday 2010-07-09 17:17, Patrick McHardy wrote:
>>
>>> This adds a `CHECKSUM' target, which can be used in the iptables mangle
>>> table.
>>>
>>> You can use this target to compute and fill in the checksum in
>>> an IP packet that lacks a checksum.  This is particularly useful,
>>> if you need to work around old applications such as dhcp clients,
>>> that do not work well with checksum offloads, but don't want to
>>> disable checksum offload in your device.
>>
>> I'm not sure this is something we want to merge upstream and
>> support indefinitely.
> 
> We could put it into Xtables-addons. That would also be consistent
> with Dave's suggestion.

Sure, that would be fine with me.
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