From: Jamie Lokier <jamie@shareable.org>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: "Raf D'Halleweyn" <raf@noduck.net>,
Vishwas Raman <vishwas@eternal-systems.com>,
Valdis.Kletnieks@vt.edu,
Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: Incremental update of TCP Checksum
Date: Wed, 17 Sep 2003 21:34:16 +0100 [thread overview]
Message-ID: <20030917203416.GA3252@mail.jlokier.co.uk> (raw)
In-Reply-To: <Pine.LNX.4.53.0309170911170.1161@chaos>
Richard B. Johnson wrote:
> This is all wonderful. This assumes that the stuff being modified
> in the packet is on well-defined boundaries, seldom the case when
> you are re-writing packet data, but certainly the case if you
> are re-writing an IP address.
The only important boundary consideration is whether you're modifying
at an odd or even byte offset into the packet.
-- Jamie
next prev parent reply other threads:[~2003-09-17 20:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-14 22:06 Netfiltering - NF_IP_LOCAL_OUT - how it works??? Vishwas Raman
2003-08-21 13:49 ` Harald Welte
2003-08-21 16:44 ` Vishwas Raman
2003-09-16 18:50 ` Incremental update of TCP Checksum Vishwas Raman
2003-09-16 19:00 ` Valdis.Kletnieks
2003-09-16 20:32 ` Vishwas Raman
2003-09-16 20:47 ` Leo Mauro
2003-09-17 3:28 ` Raf D'Halleweyn
2003-09-17 4:43 ` David S. Miller
2003-09-17 13:20 ` Richard B. Johnson
2003-09-17 20:34 ` Jamie Lokier [this message]
2003-09-16 19:47 ` Richard B. Johnson
2003-09-16 20:21 ` Vishwas Raman
2003-09-16 20:34 ` Richard B. Johnson
2003-09-16 20:35 ` Jesper Juhl
2003-09-17 1:37 ` Lincoln Dale
2003-09-17 1:39 ` Jesper Juhl
2003-09-16 22:41 ` Jamie Lokier
2003-09-16 23:32 ` Vishwas Raman
2003-09-16 20:33 ` Patrick McHardy
[not found] <kysi.5h.17@gated-at.bofh.it>
[not found] ` <mZy6.3NX.7@gated-at.bofh.it>
[not found] ` <wtdD.3EP.13@gated-at.bofh.it>
[not found] ` <wtnf.3Zv.9@gated-at.bofh.it>
[not found] ` <wuMz.65Q.15@gated-at.bofh.it>
[not found] ` <wBkH.7Sv.3@gated-at.bofh.it>
[not found] ` <wKxN.5h0.7@gated-at.bofh.it>
2003-09-17 14:06 ` Ihar 'Philips' Filipau
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