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Date: Fri, 4 Mar 2005 19:06:03 +0300 (MSK)
From: Maxim Konovalov <maxim@macomnet.ru>
To: lbland <lbland@vvi.com>
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cc: freebsd-net@freebsd.org
Subject: Re: TCP window scale option setting?
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On Fri, 4 Mar 2005, 08:47-0500, lbland wrote:

> hi-
>
> In section 2.5 of the Stevens book it says "we wil see how to effect this
> [window scale] option with SO_RCVBUF socket option (Section 7.5)".
>
> But, when I get to Section 7.5 it doesn't say anything about it that I can
> find. I searched the whole book, and then googled and then grep'd the header
> files to hack it. I see some related macros, but nothing definitive. I can't
> find enough to figure it out. It seems I can use setsockopt() to implicitly
> maybe or maybe not define it, but then I have no way of checking to make sure
> it stuck during the initial negotiation.
>
> How do I get the current TCP window scale setting?
>
> How do I set the TCP window scale setting?

man 4 tcp, sysctl net.inet.tcp.rfc1323

-- 
Maxim Konovalov