Date: Mon, 9 Apr 2007 18:09:47 +1200 From: Andrew Thompson <thompsa@freebsd.org> To: Alan Garfield <alan@fromorbit.com> Cc: freebsd-hackers@freebsd.org Subject: Re: RFI: Ethernet driver ported from Linux Message-ID: <20070409060947.GE64415@heff.fud.org.nz> In-Reply-To: <1176096815.4064.6.camel@hiro.auspc.com.au> References: <1176096815.4064.6.camel@hiro.auspc.com.au>
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On Mon, Apr 09, 2007 at 03:33:35PM +1000, Alan Garfield wrote: > Hello all! > > I've got a couple of Sun Fire V20z (re-badged NewISys E2100) which have > little dedicated Service Processor on-board running Linux. The "SP" can > communicate via IPMI and also by Ethernet. It talks Ethernet to the SP > by using two small fifo buffers in the PRS via the LPC. > > -- > > 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. You should look at the edsc driver, its a dummy ethernet driver and a template for writing one. http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/net/if_edsc.c Andrew
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