Subject: Re: What's the benefit of ip4csum tcp4csum udp4csum
To: None <tech-perform@netbsd.org>
From: Jason R Thorpe <thorpej@wasabisystems.com>
List: tech-perform
Date: 10/29/2002 07:31:00
On Tue, Oct 29, 2002 at 03:55:26PM +0100, Christoph Kaegi wrote:

 > Maybe it is my ignorance, but shouldn't offloading the checksum
 > calculations to the card give some remarkable benefit?

If your CPU has enough horsepower to do the checksums quickly,
then no.  But if your application doesn't leave much CPU left
over, or you have many interfaces, then checksum offload has
a definite benefit.

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>