> 	i read your statement as:
> 	- create another ifnet called "wi0/802.11", which uses the same
> 	  hardware as "wi0", and has different BPF behavior.
> 	and i didn't like it as we would have separate link-local scope for
> 	"wi0" and "wi0/802.11".

I see.  Sorry I wasn't clear enough.

> 	did you mean "pseudo interface *name* used within tcpdump(8)"?

I intended to say it will be used within bpf(4), i.e. using bpfattach()
but not ifattach().

Atsushi Onoe