HEADSUP: PFIL_HOOKS/ipfilter changes

The following changes should be transparent but just in case they are not
please be aware...

	Sam


> sam         2003/09/23 10:54:04 PDT
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/net              bridge.c pfil.h pfil.c 
>     sys/netinet          ip_input.c ip_output.c ip_var.h 
>     sys/netinet6         ip6_forward.c ip6_input.c ip6_output.c 
>                          ip6_var.h ip6protosw.h 
>     sys/sys              param.h protosw.h 
>     sys/modules/bridge   Makefile 
>   Log:
>   o update PFIL_HOOKS support to current API used by netbsd
>   o revamp IPv4+IPv6+bridge usage to match API changes
>   o remove pfil_head instances from protosw entries (no longer used)
>   o add locking
>   o bump FreeBSD version for 3rd party modules
>   
>   Heavy lifting by:       "Max Laier" <max_at_love2party.net>
>   Supported by:           FreeBSD Foundation
>   Obtained from:          NetBSD (bits of pfil.h and pfil.c)


> sam         2003/09/23 10:55:04 PDT
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/contrib/ipfilter/netinet ip_fil.c 
>     sys/modules/ipfilter Makefile 
>   Log:
>   update to reflect PFIL_HOOKS api changes
>   
>   Supported by:   FreeBSD Foundation