From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jan Engelhardt <jengelh@medozas.de>
Cc: Netfilter Developer Mailing List <netfilter-devel@vger.kernel.org>
Subject: Re: [PATCHv2] extensions: libxt_CHECKSUM extension
Date: Sun, 11 Jul 2010 22:00:20 +0300 [thread overview]
Message-ID: <20100711190020.GA11244@redhat.com> (raw)
In-Reply-To: <alpine.LSU.2.01.1007111755250.22644@obet.zrqbmnf.qr>
On Sun, Jul 11, 2010 at 05:57:07PM +0200, Jan Engelhardt 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 a 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.
> >
> >The problem happens in the field with virtualized applications. For
> >reference, see Red Hat bz 605555, as well as
> >http://www.spinics.net/lists/kvm/msg37660.html
>
> Added to Xtables-addons.
Please do not drop the explanation that bits were copied from ECN.c.
--
MST
next prev parent reply other threads:[~2010-07-11 19:05 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20100711150623.GA7420@redhat.com>
2010-07-11 15:08 ` [PATCHv2] extensions: libxt_CHECKSUM extension Michael S. Tsirkin
2010-07-11 15:14 ` [PATCHv3] " Michael S. Tsirkin
[not found] ` <20100711151453.GA7563@redhat.com>
2010-07-11 15:57 ` [PATCHv2] " Jan Engelhardt
2010-07-11 19:00 ` Michael S. Tsirkin [this message]
2010-07-11 19:54 ` Jan Engelhardt
2010-07-11 19:52 ` Michael S. Tsirkin
2010-07-11 20:03 ` Jan Engelhardt
2010-07-11 20:00 ` Michael S. Tsirkin
2010-07-12 17:12 ` Jan Engelhardt
2010-07-12 17:50 ` Michael S. Tsirkin
2010-07-11 19:06 ` Michael S. Tsirkin
2010-07-11 19:57 ` Jan Engelhardt
2010-07-11 19:59 ` Michael S. Tsirkin
2010-07-15 9:39 ` [PATCHv3] " Patrick McHardy
2010-07-15 10:17 ` several messages Jan Engelhardt
2010-07-15 9:36 ` [PATCHv2] netfilter: add CHECKSUM target Patrick McHardy
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