cvs commit: src/sbin/ifconfig ifconfig.c ifconfig.h ifmedia.c

[Sam Leffler]

> > Dumb question: How is this conceptually different from "media" and
> "mediaopt"?
>
> You need an additional mechanism for selecting between 11a/b/g on
multi-mode
> devices.  All such devices have a media of "802.11" and mediaopt isn't
> appropriate because it's orthogonal.  The easiest way to see the problem
is
> to ask how you would specify OFDM at 54Mb/s in the 2.4Ghz range (i.e.
11g).
> With the current media and mediaopts you have no way.  With this addition
> you specify this by adding "mode 11g".  There's still some issues with
"pure
> 11g" vs "11g" (pure means no 11b rates are supported and you don't have to
> worry about supporting both 11b and "purge g" stations on the same AP) but
> I'm going to avoid that until my 11g stuff is all committed.

FWIW, I tried making this stuff fit in media and mediaopts but it just
didn't work.  I've also been in touch with netbsd folks about this and
they've had no alternative suggestions so I'm going with this scheme for
now.  I'm happy to change it if someone comes up with a better idea.

    Sam