Subject: Re: Skipping TCP / UDP / IP checksums on loopback traffic
To: None <tech-net@netbsd.org>
From: Christos Zoulas <christos@zoulas.com>
List: tech-net
Date: 10/23/2004 18:44:08
In article <B34B18F5-251A-11D9-B62B-000A957650EC@shagadelic.org>,
Jason Thorpe <thorpej@shagadelic.org> wrote:
>-=-=-=-=-=-
>-=-=-=-=-=-
>
>Folks...
>
>There's no need to compute or check checksums for traffic over the 
>loopback interface.  The following patch makes it optional, and 
>defaults to "off".  Linux also skips checksums in this case, which 
>results in poor results for NetBSD compared to Linux in some 
>benchmarks.
>
>Comments?
>
>         -- Jason R. Thorpe <thorpej@shagadelic.org>

Looks great to me! Have you done any performance analysis? Just curious...

christos