| To: | Gilad Benjamini <yaelgilad@myrealbox.com> |
|---|---|
| Subject: | Re: Relative Checksum |
| From: | Ralf Baechle <ralf@linux-mips.org> |
| Date: | Wed, 26 Mar 2003 19:16:01 +0100 |
| Cc: | linux-mips@linux-mips.org |
| In-reply-to: | <1048667601.7d003520yaelgilad@myrealbox.com>; from yaelgilad@myrealbox.com on Wed, Mar 26, 2003 at 08:33:21AM +0000 |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <1048667601.7d003520yaelgilad@myrealbox.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.2.5.1i |
On Wed, Mar 26, 2003 at 08:33:21AM +0000, Gilad Benjamini wrote: > ip_fast_csum provides an asm version for IP checksum. > Any available mips-asm implementation out there for > a relative checksum? > > i.e. I get a packet, change > a field or two, and want to compute just the > change in the checksum. I suggest to look at the code for IP masquerading which already does things like this when rewriting packets. Ralf |
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