Date: Wed, 03 Oct 2007 17:59:56 +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: <52869.1191434396@critter.freebsd.dk> In-Reply-To: Your message of "Wed, 03 Oct 2007 10:52:43 MST." <2a41acea0710031052w40c10cabjf923803ba23b2546@mail.gmail.com>
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In message <2a41acea0710031052w40c10cabjf923803ba23b2546@mail.gmail.com>, "Jack Vogel" writes : >I am adding support into the em driver for PTP, what I would prefer doing is >to add interface capability support: IFCAP_TSYNC or something like that. >The driver will then enable/disable the feature. > >Are there other vendor's hardware providing this support such that a >net/if.h capability would be justified? > >There was also some other defines that are needed, an ethertype >for instance, I forget what it was offhand but I did notice it wasn't >there yet. 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. If this has all been taken care of: Go for it! -- 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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