From owner-freebsd-hackers@FreeBSD.ORG  Tue Apr 10 04:24:20 2007
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Date: Mon, 09 Apr 2007 22:23:00 -0600 (MDT)
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To: alan@fromorbit.com
From: "M. Warner Losh" <imp@bsdimp.com>
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	Mon, 09 Apr 2007 22:22:51 -0600 (MDT)
Cc: freebsd-hackers@freebsd.org
Subject: Re: RFI: Ethernet driver ported from Linux
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In message: <1176096815.4064.6.camel@hiro.auspc.com.au>
            Alan Garfield <alan@fromorbit.com> writes:
: I'd like to port/re-write this driver for FreeBSD but I cannot find
: enough documentation and examples of a basic Ethernet driver for
: FreeBSD. (if_wlan and if_ef look like good candidates but if_clone and
: the miibus confuse me a bit and there isn't any clear docs on them)
: 
: Can someone point me in the direction of an example or the relevant man
: pages I should be reading to help with this.
: 
: The device driver for Linux seems quite simple.
: 
: Any help would be gratefully appreciated.

In addition to the other advise, you might also look at if_ed.c.  It
is a little complicated since it talks to real hardware, and that
hardware is, ummm, a little icky.

Warner