Use hostapd to set master mode?

[Grant]

>>>> I'm being told in #madwifi that I need to use hostapd to set master
>>>> mode with ath5k since iwconfig gives me:
>>>>
>>>> ath0 does not support setting the mode to "master"
>>>>
>>>> I've always set master mode with iwconfig and then started hostapd to
>>>> control authentication.  How can I use hostapd to set master mode?
>>>
>>> By starting it.. Just set driver=nl80211 in hostapd.conf and hostapd
>>> takes care of the details.
>>
>> I just tried that but I get:
>>
>> Failed to set interface ath0 to master mode.
>> nl80211 driver initialization failed.
>> rmdir[ctrl_interface]: No such file or directory
>> ELOOP: remaining socket: sock=5 eloop_data=...
>>
>> Could the problem be that my udev renames wlan0 to ath0, or is that
>> just an arbitrary label?
>>
>
>
> What version kernel do you have?  nl80211 requires a pretty recent one.

I'm on 2.6.28.  I've read that should do it but it doesn't seem to.  Any ideas?

- Grant