kern/81978: [ PATCH ] if_vlan didn't pass the ALLMULTI to the parent interface

[Dan Lukes]

> 	The 'if_detach' of if.c should notify the ip_mroute module about 
> destroying of interface so ip_mroute code can safely deinitialize 
> interface and remove references to it from it's internal structures.
> 
> 	We need something similar to carp_ifdetach(ifp) function of carp module which is called from if_detach.

	BTW, if_detach invoke the ifnet_departure_event event. So we can
register for this event to be informed about interface detach.


	I submitted separate PR for this. See i386/82882 (unfortunatelly i type 
incorrect category - it should be kern/82882 of course)

						Dan


-- 
Dan Lukes                                   SISAL MFF UK
AKA: dan at obluda.cz, dan at freebsd.cz,dan at kolej.mff.cuni.cz