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Re: [RFC] Changes in mac80211 to make at76c50x-usb working again

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On 15 June 2010 16:36, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
> On Tue, 2010-06-15 at 09:26 -0400, John W. Linville wrote:
>> On Tue, Jun 15, 2010 at 02:16:36PM +0200, Sebastian Smolorz wrote:
>> > the at76c50x-usb driver fails to authenticate with an AP.
>
> We need more information on how it fails.

I debugged this a long time ago. The problem is that firmware's
CMD_JOIN only works if bssid is correct one. I remember trying
ff:ff:ff:ff:ff:ff, but that didn't work for some reason. The join
command needs to be sent before association, otherwise transmission
won't work at all. And if I use a random bssid the firmware will
filter the replies. But I tested this a long time ago, I might
remember something wrong.

I was thinking a hack which would get bssid from association frames
and then send CMD_JOIN, before the association frame. IMHO no need to
change mac80211 because of this old hardware.

Kalle
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