Subject: Re: Will RFC1146 (tcp alternative checksum options) be implemented in Linux tcp stack ?

From: Stephen Hemminger <[email-masked]>
Date: Mon, 15 Oct 2007 20:38:15 -0700

Yanping Du wrote:
> Hi,
>
>   We found the standard 16-bit tcp checksum is not
> strong enough in some cases. Is there any roadmap on
> implementing RFC1146 (tcp alternative checksum
> options) in Linux tcp stack ? If yes, how soon will
> that be in ?
>
> Please kindly copy reply to my email address as I've
> not subscribed the netdev@ mailing list at present.
>
>   http://www.faqs.org/rfcs/rfc1146.html
>
>   

You would of course lose all the hardware offload of checksumming since
no hardware supports alternative checksums.