carpdev support from OpenBSD

[Max Laier]

On Thursday 27 July 2006 01:28, Nick Barkas wrote:
> There is a feature from OpenBSD's carp implementation that allows one to
> specify which device a carp interface will use, similar to how vlan
> devices are associated to a physical interface with the vlandev option
> to ifconfig. The change to support this carpdev option looks like it was
> added about a year and a half ago to OpenBSD, but it has not been merged
> into FreeBSD yet. I would like to have support for this on my routers,
> and I am interested in trying to port these changes over to FreeBSD.
>
> I have two questions, however. First, is it desired by others that
> FreeBSD's carp attempt to follow the development of OpenBSD's
> implementation? In looking at cvs commit logs in
> sys/netinet/ip_carp.[ch], I have seen that there have been only a few
> instances where OpenBSD changes have been merged into FreeBSD's carp
> sources. Second, would it be more appropriate for me to attempt to merge
> all of OpenBSD's changes to the carp device to FreeBSD, or only those
> specific to supporting the carpdev functionality that I want?
>
> If I should send this to -net or elsewhere instead, please let me know
> and I'll do that :)

I think you should talk to Gleb Smirnoff (glebius@) who did the final import 
of carp and is taking care of it since.  IIRC he had different plans for it, 
but I am not sure what they were and if he got a chance to move forward.

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