if_init support, required by ieee80211.
deraadt@ ok.

Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

Change all variables definitions (int foo) in sys/sys/*.h to variable
declarations (extern int foo), and compensate in the appropriate locations.

allocate sockaddr_dl for ifnet in if_alloc_sadl(), as we don't always know
the size of sockaddr_dl on if_attach() - for instance, see ether_ifattach().
from netbsd. fgs ok

g/c last remains of old ipv6 prefix management

if_attach() gets called before domaininit(). scan all interfaces for if_afdata
initialization after domaininit().

framework to add af-dependent data structure to struct ifnet.
as discussed at bsd-api-discuss. sync w/kame

Add hooks to struct ifnet that allow to register callbacks that will be
notified of interface address changes. ok provos@, angelos@

Cosmetic changes only, primarily making comments line up nicely after the
__P removal.

First round of __P removal in sys

compatability -> compatibility.

KNF

Include files for IPComp support. angelos@ ok.

ALTQ base modifications to the kernel.
- ALTQ introduces a set of new queue macros that coexist with the
traditional IF_XXX macros.
- "struct ifaltq" replaces "struct ifqueue" in "struct ifnet".

ALTQ base modifications to the kernel.
- ALTQ introduces a set of new queue macros that coexist with the
traditional IF_XXX macros.
- "struct ifaltq" replaces "struct ifqueue" in "struct ifnet".
- assign cdev major 74 for i386 and 54 for alpha as ALTQ control interface.

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Add ether_input_mbuf to help us remove the ether_header from
ether_input; all drivers should start migrating to this.
Discussed with jason@, deraadt@ more or les ok'ed.

change the meaning of ifnet.if_lastchange to meet RFC1573 ifLastChange.
follows BSD/OS practice and ucd-snmp code (FreeBSD does it for specific
interfaces only).

was: if_lastchange get updated on ev

change the meaning of ifnet.if_lastchange to meet RFC1573 ifLastChange.
follows BSD/OS practice and ucd-snmp code (FreeBSD does it for specific
interfaces only).

was: if_lastchange get updated on every packet transmission/receipt.
now: if_lastchange get updated when IFF_UP is changed.

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By popular demand, protect from multiple inclusion, and fix to use the
same naming style.

IPSECv4 -> IPSEC

No need for separate ESP/AH interface capabilities.

Interface capabilities (based on NetBSD, but merge ethercom and ifnet
capabilities into one, in the ifp).

allow changing number of loopbacks in ukc.
change rest of the code to use lo0ifp pointing
to the corresponding struct ifnet.
itojun@ and niklas@ ok

pull post-4.4BSD change to sys/net/route.c from BSD/OS 4.2 (UCB copyrighted).

have sys/net/route.c:rtrequest1(), which takes rt_addrinfo * as the argument.
pass rt_addrinfo all the way down to rtreq

pull post-4.4BSD change to sys/net/route.c from BSD/OS 4.2 (UCB copyrighted).

have sys/net/route.c:rtrequest1(), which takes rt_addrinfo * as the argument.
pass rt_addrinfo all the way down to rtrequest, and ifa->ifa_rtrequest.
3rd arg of ifa->ifa_rtrequest is now rt_addrinfo * instead of sockaddr *
(almost noone is using it anyways).

benefit: the follwoing command now works. previously we need two route(8)
invocations, "add" then "change".
# route add -inet6 default ::1 -ifp gif0

remove unsafe typecast in rtrequest(), from rtentry * to sockaddr *. it was
introduced by 4.3BSD-reno and never corrected.

XXX is eon_rtrequest() change correct regarding to 3rd arg?
eon_rtrequest() and rtrequest() were incorrect since 4.3BSD-reno,
so i do not have correct answer in the source code.
someone with more clue about netiso-over-ip, please help.

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Since ifa_refcnt was bumped to an int and rt_flags is an int too, bump
ifa_flags to int.

changing the size of if_data has heavy impact on userland compat. there
was even a u_char slot available for ifi_link_state, which clearly does not
need a full 32 bits.

sync mii code with netbsd
adds detach functionality for phys
some code cleanup

Nobody really had time to test all of this out, but theo said commit anyway