Ascertaining NIC Driver Version

Chuck Swiger cswiger at
Fri Jan 7 19:24:04 UTC 2011

On Jan 7, 2011, at 11:12 AM, Robert Huff wrote:
>> "uname -a" is probably the most general answer, as most FreeBSD
>> NIC drivers don't have individualized version #s, aside from the
>> OS version itself.
> 	That is not my understanding.
> 	To the OP: FreeBSD NIC drivers can and do have version numbers:
> huff@>> grep \$FreeBSD /sys/dev/e1000/if_em.c
> /*$FreeBSD: src/sys/dev/e1000/if_em.c,v 1.64 2010/12/04 06:38:21 jfv Exp $*/

Um, that's the CVS revision number for that particular file.

It should be obvious that it has nothing whatsoever to do with a human-assigned driver version #, if one even exists, such as em "v6.9.21" for:


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