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

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Message-ID: <47143227.3060501@linux-foundation.org>
Date:	Mon, 15 Oct 2007 20:38:15 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Yanping Du <ypdu2001@...oo.com>
CC:	netdev@...r.kernel.org
Subject: Re: Will RFC1146 (tcp alternative checksum options) be implemented
 in Linux tcp stack ?

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.
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