update for GCC 6:

- read_rt() has a missing {} issue.

Fix that routed deletes local routes

routed previousely ignored local routes, which have RTF_LOCAL flag, because
such routes have RTF_LLINFO and routed ignored routes having the flag. When
we obsole

Fix that routed deletes local routes

routed previousely ignored local routes, which have RTF_LOCAL flag, because
such routes have RTF_LLINFO and routed ignored routes having the flag. When
we obsoleted RTF_LLINFO, we removed the ignoring logic from routed, then
routed started removing local routes unexpectedly.

Fix this behavior by teaching local routes to routed to ignore them.

kardel@ reported the issue and helped testing, thanks!

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Shuffle pointer magic to not depend on temporary overaligned pointers
into a packed structure.

Separate nexthop caches from the routing table

By this change, nexthop caches (IP-MAC address pair) are not stored
in the routing table anymore. Instead nexthop caches are stored in
each network int

Separate nexthop caches from the routing table

By this change, nexthop caches (IP-MAC address pair) are not stored
in the routing table anymore. Instead nexthop caches are stored in
each network interface; we already have lltable/llentry data structure
for this purpose. This change also obsoletes the concept of cloning/cloned
routes. Cloned routes no longer exist while cloning routes still exist
with renamed to connected routes.

Noticeable changes are:
- Nexthop caches aren't listed in route show/netstat -r
- sysctl(NET_RT_DUMP) doesn't return them
- If RTF_LLDATA is specified, it returns nexthop caches
- Several definitions of routing flags and messages are removed
- RTF_CLONING, RTF_XRESOLVE, RTF_LLINFO, RTF_CLONED and RTM_RESOLVE
- RTF_CONNECTED is added
- It has the same value of RTF_CLONING for backward compatibility
- route's -xresolve, -[no]cloned and -llinfo options are removed
- -[no]cloning remains because it seems there are users
- -[no]connected is introduced and recommended
to be used instead of -[no]cloning
- route show/netstat -r drops some flags
- 'L' and 'c' are not seen anymore
- 'C' now indicates a connected route
- Gateway value of a route of an interface address is now not
a L2 address but "link#N" like a connected (cloning) route
- Proxy ARP: "arp -s ... pub" doesn't create a route

You can know details of behavior changes by seeing diffs under tests/.

Proposed on tech-net and tech-kern:
http://mail-index.netbsd.org/tech-net/2016/03/11/msg005701.html

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merge 2.32 which is actually 2.31. Most important change is:
- use multicast over point-to-point (GRE) links as proposed by Dan Lukes.

fix printf formats.

PR 9431: if rnh_addradd() fails, total_routes will be wrong.

constification lossage (hi gimpy)

strcpy/sprintf cleanup. from openbsd

use snprintf. there are more...

array seems too small

Avoid strict alias warnings.

sync with routed 2.27

fix -Wshadow warnings

sync with version 2.24. Vernon says:
The most significant [fix] involves so called "remote" interfaces
configured in the kludge file to with what appear to be colliding
networks. Edward Mascarenhas

sync with version 2.24. Vernon says:
The most significant [fix] involves so called "remote" interfaces
configured in the kludge file to with what appear to be colliding
networks. Edward Mascarenhas <eddiem@vihar.engr.sgi.com> found
the problem and the fix, and I think has tested it in the SGI
network.

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make local functions static and portability casts.

PR/9390: Jarkko Torppa: Routed leaks memory when route addition fails.

Ignore RTM_OIFINFO messages (send by a COMPAT_14 kernel).

LP64 tweaks.

Resolve conflicts.

Update to 980910 from ftp.rhyolite.com

Merge the 980602 RIPv2/Router Discovery routed. Fixes floods of host routes
generated when one of the interfaces on the network does not support
broadcast (e.g. HIPPI or ATM).

From Vern Schryver <v

Merge the 980602 RIPv2/Router Discovery routed. Fixes floods of host routes
generated when one of the interfaces on the network does not support
broadcast (e.g. HIPPI or ATM).

From Vern Schryver <vjs@rhyolite.com>

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make these compile on the alpha after WARNS=1.

* cleanup for WARNS=1
* deprecate register
* bcmp, bcopy, bzero, rindex -> memcmp, memmove, memset, strrchr
* correct use of .Nm

- resolve conflicts.
- remove md5 stuff; it is in libc.
- define MCAST_PPP_BUG, until we fix if_ppp.c