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To: Kalpesh Shah <kalpesh@cs.utexas.edu>
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Subject: Re: Socket options
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From: Philippe Troin <phil@fifi.org>
Date: 16 Aug 2001 19:11:13 -0700
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Kalpesh Shah <kalpesh@cs.utexas.edu> writes:

> I would like to be CC'ed any answers/comments to my question.
> 
> are /proc/sys/net/ipv4/tcp_rmem and /proc/sys/net/ipv4/tcp_wmem the socket
> Buffer (receive and send respectively) Sizes in the linux kernel.
> 
> If yes then how come when I try to set these buffer sizes by using the
> SO_RCVBUFF and SO_SNDBUFF variables it automatically multiplies the values
> by 2 ????

To remain BSD-compatible.

There was a thread about this on lkml one week ago. Check the
archives.