In message <2a41acea0710031052w40c10cabjf923803ba23b2546@mail.gmail.com>, "Jack Vogel" writes
:

quoted text
>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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