From owner-freebsd-net  Tue Jun 29  9:51:52 1999
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To: Pierre Beyssac <beyssac@enst.fr>
Cc: "Andrew W. Smith" <awsmith@rip.ops.neosoft.com>,
	freebsd-net@FreeBSD.ORG
Subject: Re: 16 bit int for interface "reference count" 
In-reply-to: Your message of "Tue, 29 Jun 1999 17:19:59 +0200."
             <19990629171959.A87648@enst.fr> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Tue, 29 Jun 1999 09:48:44 -0700
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>On Mon, Jun 28, 1999 at 10:36:57PM -0700, David Greenman wrote:
>> on wcarchive, however, as it has a large number of TCP connections (and
>> each one holds a reference). In any case, it is currently 16bits in
>> FreeBSD and should be increased to 32bits.
>
>It's been changed to 32 bits a while ago (shortly after 3.2-RELEASE),
>both on -current and -stable.
>
>Anyway the fix is pretty trivial if anyone using 3.2 or before is
>affected: you apparently just need to recompile a kernel.
>
>revision 1.13
>date: 1999/05/16 17:09:20;  author: pb;  state: Exp;  lines: +2 -2
>PR:             kern/10570
>Submitted by:   adrian@freebsd.org
>
>Change reference count in struct ifaddr to a u_int, to be able
>to handle more than 2^16 routes to the same interface.
>
>Fix suggested by Andrew Bangs <andrewb@demon.net> in PR kern/10570.
>Tested by <adrian@freebsd.org> and me under -current.

   Actually, I was looking at the rt_refcnt element in struct rtentry which
is still 16 bits.

-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org
Creator of high-performance Internet servers - http://www.terasolutions.com


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