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Date: Thu, 02 Apr 2009 11:20:16 -0300
From: Patrick Tracanelli <eksffa@freebsdbrasil.com.br>
Organization: FreeBSD Brasil LTDA
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To: Luiz Otavio O Souza <lists.br@gmail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: Setting the mss for socket
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Luiz Otavio O Souza escreveu:
> Hello hackers,
> 
> Is there a way to set the mss for a socket ? Like you can do in linux 
> with setsockopt(TCP_MAXSEG) ?
> 
> So i can set the maximum size of packets (or sort of) from a simple 
> userland program.
> 
> I've read the code and i cannot find by myself (at least from a 30minute 
> reading) a single point to change this. It looks like it is dynamic 
> calculated with interface/path mtu. Someone has a simple approach to 
> deal with this ? Any ideas ?
> 
> Thanks in advance,
> Luiz

Good point. With something like that it could be possible to make --mss 
switch from iperf work properly on FreeBSD.

-- 
Patrick Tracanelli