wpa_supplicant issues

[[LoN]Kamikaze]

Cezary Morga wrote:
> I had similar problems lately. It would be nice if you'd post 
> (pastebin.com?) the debug information.
> 
> In my case the "-D" parameter did the trick:
> wpa_supplicant -B -q -i ndis0 -c /etc/wpa_supplicant.conf -D ndis

I cannot find any documentation on the -D parameter. Is there a place where I can see available options? Or is it only ndis and bsd?