From owner-freebsd-net  Mon Sep 16 10:12:35 2002
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Date: Mon, 16 Sep 2002 13:12:32 -0400 (EDT)
From: Garrett Wollman <wollman@lcs.mit.edu>
Message-Id: <200209161712.g8GHCWak023802@khavrinen.lcs.mit.edu>
To: Bruce M Simpson <bms@spc.org>
Cc: freebsd-net@FreeBSD.ORG
Subject: Proposal: adopt SIOCGLIFNUM interface for enumerating iflist.
In-Reply-To: <20020916164206.GN28076@spc.org>
References: <20020916164206.GN28076@spc.org>
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<<On Mon, 16 Sep 2002 17:42:06 +0100, Bruce M Simpson <bms@spc.org> said:

> At this time these applications have to play 'elastic buffer' games with the
> SIOCGIFCONF ioctl in order to get all of the relevant information. By allowing
> userland applications to determine the size of this buffer at runtime, we
> eliminate the need for repeated calls to ifioctl().

We have already done so: sysctl net.route.iflist.

It might be worth our while to also support the Solaris method, but
IMHO there is far too much confusion over this function to be adding
another way to do it.

-GAWollman


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