Date: Tue, 12 Sep 1995 14:08:55 -0700 (PDT) From: Julian Elischer <julian@ref.tfs.com> To: terry@lambert.org (Terry Lambert) Cc: shamrock@netcom.com, hackers@FreeBSD.ORG Subject: Re: Creating FreeBSD driver. How? Message-ID: <199509122108.OAA00220@ref.tfs.com> In-Reply-To: <199509122035.NAA02186@phaeton.artisoft.com> from "Terry Lambert" at Sep 12, 95 01:35:20 pm
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> > > I got some National Semi's Hydra isoEthernet cards. Since I got more cards > > than normal PCs, I have been thinking about sticking one into my FreeBSD > > box. Of course I'd need a driver to get the iso part working. I got the iso > > drivers for DOS that came with the card. The normal ethernet part of the > > card can be standard NE2000. Of course if you use an NE2000 driver you are > > missing out on the iso part. How do I go about creating a driver for > > FreeBSD that will give full functionallity? Are there any faqs or other > > tips? I searched the FreeBSD web site without avail. > > Is there a Novell Server (not Client!) ODI driver for the thing? > > The ODI driver stuff may be easy to hack, depending on the driver > architecture. Specifically, if it uses polling or a not-busy interrupt, > then you are probably SOL and will need to write the driver from scratch. > > ISO by itself is meaningless (means International Standards Organization) > as far as telling us what the card capabilities are. It's probably just > a manufacturer name. I believe that thios card may impliment nat-semi's ISOCHRONOUS ethernet.. (isoenet) they use two unused states in the encoding of the data on the wire to pass synchronous data (or something).. I don't pretend to understand it exatly but did meet one of the engineers who worked on it when I was on holidays in Greece :) > > Since you say you've never done a driver before, you'll probably not have > sufficient information to do the ODI hack, which means it probably won't > get done. > > > Terry Lambert > terry@lambert.org > --- > Any opinions in this posting are my own and not those of my present > or previous employers. >
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