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From: Patrick McHardy <kaber@trash.net>
To: Vishwas Raman <vishwas@eternal-systems.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Incremental update of TCP Checksum
Date: Tue, 16 Sep 2003 22:33:24 +0200	[thread overview]
Message-ID: <3F677394.4040104@trash.net> (raw)
In-Reply-To: <3F675B68.8000109@eternal-systems.com>

Vishwas Raman wrote:

> Can anyone out there tell me the algorithm to update the checksum 
> without having to recalculate it. 


Have a look at net/ipv4/netfilter/ipt_TCPMSS.c (cheat_check).

Regards,
Patrick


  parent reply	other threads:[~2003-09-16 20:31 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
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 [this message]
     [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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