Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

[wlanwds] Fix compiler warnings-as-errors on freebsd gcc-6.4 mips

* Remove unused verbose global; things are now done through syslog
* Mark a variable as unused in handle_rtmsg()

Tested:

* FreeBSD/mips32 using gcc-6.4

[wlanwds] allow for a DWDS AP VAP to be not be the first VAP on a NIC.

The wlanwds code was just creating a clone VAP without specifying the MAC
address to use for said clone VAP. This meant that if an interface
was cloned from an AP interface that wasn't the first created VAP
(which shares the same MAC as the parent physical interface by default)
then the cloned interface would have the wrong MAC and traffic wouldn't work.

Besides chip bugs (ha!) this isn't a requirement.

So, teach wlanwds to:

* look up the link layer address for a given interface (which really should
be a library interface, and will likely quickly become one);
* use this when creating a cloned interface for a DWDS peer;
* (net80211 already has the infrastructure to do this, it just needed to be
used);
* add some extra logging to see what MAC addresses, parent interfaces, etc
are being created.

Whilst here, add a reminder that I should extend this to include monitoring
a specific VAP for DWDS updates rather than just the parent interface.

This is the first step in allowing for multiple DWDS hops, which is a
pre-requisite for adrian's house having wifi in the single upstairs room.

Tested:

* AR9380, DWDS AP + AP mode - with DWDS AP being the second VAP created
with a different MAC address;
* AR9331 (Carambola2), AP + DWDS STA;
* passing traffic

TODO:

* fix 802.11s so this DWDS stuff is no longer required!

[net80211] [wlanwds] allow logging to stderr as well as syslog.

By default this logs to syslog only, not stderr. It makes it difficult
to debug exactly what's going on. So allow '-e' to log to stderr so I
have a chance of actually debugging wlanwds /dynamic WDS (DWDS) issues.

[net80211] fix up wlanwds to compile without warnings on clang.

Remove AppleTalk support.

AppleTalk was a network transport protocol for Apple Macintosh devices
in 80s and then 90s. Starting with Mac OS X in 2000 the AppleTalk was
a legacy protocol and primary networking protocol is TCP/IP. The last
Mac OS X release to support AppleTalk happened in 2009. The same year
routing equipment vendors (namely Cisco) end their support.

Thus, AppleTalk won't be supported in FreeBSD 11.0-RELEASE.

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

Cleanups to prepare this code for wider use (likely merged into hostapd):
o add (required) cmd line args to specify the set of ifnet's to monitor
for WDS discovery msgs; "any" is a wildcard
o change the default script run on wds vap create to the "null script"
o auto-daemonize; add -f option to force foreground operation
o add -P option for integration with rc.d (implementation missing, tba)
o use syslog; default to log up to LOG_INFO, -t (terse) gives you up to
LOG_ERR, and -v (verbose) gives you up to LOG_DEBUG
o scan for existing vaps on startup to recover existing state
o correct some types

o remove the -p option; use the %parent pointer sysctl to find the parent ifnet
o remove the -b option; users can just embed the bridge ifnet in the script
o add -j option to create wds vaps on join/rejoin ops

- Import the HEAD csup code which is the basis for the cvsmode work.

add dwds test app

Supported by: Hobnob
Obtained from: Atheros (earlier version)