On 14 Mar 2019, at 19:48, Kyle Evans wrote:
Author: kevans
Date: Thu Mar 14 19:48:43 2019
New Revision: 345151
URL: https://svnweb.freebsd.org/changeset/base/345151
Log:
ether_fakeaddr: Use 'b' 's' 'd' for the prefix
This has the advantage of being obvious to sniff out the designated
prefix
by eye and it has all the right bits set. Comment stolen from ffec.
I've removed bryanv@'s pending question of using the FreeBSD OUI
range --
no one has followed up on this with a definitive action, and there's
no
particular reason to shoot for it and the administrative overhead
that comes
with deciding exactly how to use it.
Yay. iflib_gen_mac() has already thought kind-of similar and just took
the entire(?) FreeBSD space for doing the same. That code should be
merged as well.
Bhyve is using a good chunk from the FreeBSD allocation; see
sys/net/ieee_oui.h also for allocation guidelines (if I don’t
misremember).
The fact that it might need figuring out should not prevent us from
doing it right .. the third time .. maybe .. this time?
epair(4) is yet another one of the cloned interfaces which does magic
for the ethernet addresses, not sure what else.
/bz
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