>Module Name:	src
>Committed By:	matt
>Date:		Sun Jun 15 02:49:35 UTC 2003
>
>Modified Files:
>	src/sys/netinet: igmp.c igmp_var.h in.c in_pcb.c in_pcb.h in_var.h
>	    ip_input.c ip_var.h tcp_input.c udp_usrreq.c
>
>Log Message:
>Change the way multicasts are kept.  They now use a hash table in the same
>manner as the ifaddr hash table.  By doing this, the mkludge code can go
>away.  At the same time, keep track of what pcbs are using what ifaddr and
>when an address is deleted from an interface, notify/abort all sockets
>that have that address as a source.  Switch IGMP and multicasts to use pools
>for allocation.  Fix a number of potential problems in the igmp code where
>allocation failures could cause a trap/panic.

	tnx for the change.  we still have issued with ip_mroute.c and
	if_detach(), which i don't have clear idea how to fix.
	(rte->ifp keeps pointer to ifp, and if ifp goes away... bomb)

itojun