From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263695AbUACSxX (ORCPT ); Sat, 3 Jan 2004 13:53:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263697AbUACSxX (ORCPT ); Sat, 3 Jan 2004 13:53:23 -0500 Received: from havoc.gtf.org ([63.247.75.124]:462 "EHLO havoc.gtf.org") by vger.kernel.org with ESMTP id S263695AbUACSxV (ORCPT ); Sat, 3 Jan 2004 13:53:21 -0500 Date: Sat, 3 Jan 2004 13:53:21 -0500 From: Jeff Garzik To: Pavel Machek Cc: Karel Kulhav? , linux-kernel@vger.kernel.org Subject: Re: Compatibility of Nvidia NVNET driver license with GPL Message-ID: <20040103185321.GA8379@gtf.org> References: <20031231073101.A474@beton.cybernet.src> <3FF26E8A.5070806@pobox.com> <20031231114357.A318@beton.cybernet.src> <3FF2C86C.1030906@pobox.com> <20040103184434.GD1080@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040103184434.GD1080@elf.ucw.cz> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jan 03, 2004 at 07:44:34PM +0100, Pavel Machek wrote: > Hi! > > > If you are serious about this, we have tons of good ideas, and tons of > > suggestions on how to avoid bad ideas :) > > > > OpenCores (http://www.opencores.org/) might be a good place to start, as > > they already have a 10/100 ethernet MAC which is working, and has been > > silicon'd: http://www.opencores.org/projects/ethmac/ Full "source" for > > the MAC is available, in VHDL I think. OpenCores also has PCI VHDL and > > other glue you may need. > > > > You'll definitely want to implement autonegotiation. It's a showstopper > > without that. And if it's not gigabit ethernet, it's already outdated. > > So it's a tough challenge. > > AFAIK, Clock is developing > ethernet-over-infrared-over-300meters-of-air. It knows what is at the > other end, and probably does not need autonegotiation. It is probably > not going to be gigabit, either. [Current version that works is 10mbit > over ~300meters]. FWIW autonegotiation is strictly related to "the wire", so wireless would be a totally different space. Jeff