RFC: Create a default wlan for wireless NICs

[Rodney W. Grimes]

> >From the bikeshed department....
> 
> The change at https://reviews.freebsd.org/D15481 would create a default
> wlan for wireless NICs by default.  The default wlan's ifnet name would
> match the name of the adapter (e.g. "iwn0").  Existing configurations
> would still be honored and people who need multiple wlan devices can
> still do so using existing configuration variables in rc.conf, etc.
> 
> However, the out of the box experience on a new machine would be that
> 'ifconfig iwn0' would Just Work(tm) for wireless NICs as it does now for
> wired NICs, and you could just use 'ifconfig_iwn0="WPA DHCP"' in rc.conf.
> I think this is more consistent with how we present NICs to users in
> general.

Yes, Blue Please, with a red stripe.  :)

I asked about documentation in the review, but about all I can
find is:
/etc/defaults/rc.conf:
#wlans_ath0="wlan0"               # wlan(4) interfaces for ath0 device

There is probably stuff in the wiki that would need updated though.

-- 
Rod Grimes                                                 rgrimes at freebsd.org