Date: Wed, 3 Oct 2007 13:51:11 -0700 From: "Jack Vogel" <jfvogel@gmail.com> To: "Poul-Henning Kamp" <phk@phk.freebsd.dk> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: RFC: Capability addition for IEEE 1588 Message-ID: <2a41acea0710031351m2101d49fo91579c8858316f51@mail.gmail.com> In-Reply-To: <53519.1191442261@critter.freebsd.dk> References: <2a41acea0710031306p22d66379oc6575ad9ff5ea99d@mail.gmail.com> <53519.1191442261@critter.freebsd.dk>
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On 10/3/07, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote: > In message <2a41acea0710031306p22d66379oc6575ad9ff5ea99d@mail.gmail.com>, "Jack Vogel" writes > : > > >> When I talked to HP's licensing department, there were a $1k licensefee > >> for anything IEEE1588 related and their message was that even if > >> the FreeBSD foundation got such a license, the users would still > >> have to have one as well if they compiled the source code or some > >> such nonsense. > > > >What source code was being talked about? I'm not talking about > >anything userland, and my driver is just turning on a hardware > >feature, I can't imagine HP having anything to do with it, but I > >double check internally. > > They seem to think they have a patent on doing things that way, > no matter what hardware or software you use. > > If Intel chips have hw-support for timestamping, somebody at intel > must have thought about the patent thing. > > But as I said, if that can be resolved, it should certainly go in. This is a feature that will be coming, its not in any hardware you can buy today, presumeably Intel dealt with the patent thing, but I have already sent internal email checking on the whole matter. I'll followup when I'm things are clarified. Jack
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