> >1. How to select raw 802.11 frame or ethernet compatible mode?
> >The only way I can imagine which doesn't require any API change is
> >preparing pseudo interface like "wi0/802.11", e.g. tcpdump -i wi0/802.11.
> >But I feel it is too ugly to implement...
> 
> 	i'd vote against this, due to scoped IPv6 architecture...

Sorry, I can't understand what you want to point out.  The argument of '-i'
option is the name of interface from which an application capture data.
It is almost independent from any scope of addresses.

Anyway, I agree with you that we should not go with it.

Atsushi Onoe