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Date:      Wed, 03 Oct 2007 20:11:01 +0000
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        "Jack Vogel" <jfvogel@gmail.com>
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:  <53519.1191442261@critter.freebsd.dk>
In-Reply-To: Your message of "Wed, 03 Oct 2007 13:06:26 MST." <2a41acea0710031306p22d66379oc6575ad9ff5ea99d@mail.gmail.com> 

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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.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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