[Prism54-devel] [prism54-usb] DWL-G122 and FW 2.4.6.0 differences

[raven at themaw.net]

On Sun, 12 Dec 2004, Jean-Baptiste Note wrote:

>
> Hello Ian,
>
> Ian Kent <raven at themaw.net> said :
>> Works fine.
>
> Good !
>
>> I set a different channel and that showed up OK.
>> I set essid and that showed ok as well.
>
> Alas those two positive are bogus, there's nothing happening behind the
> scene. In particular, frequency change does not happen.

Mmm. Thought that might be the case.

>
>> Any suggestions of what I should focus on?
>> Perhaps, a strategy to discover more fields in the management frame?
>> Or something else?
>
> Well, I originally had something to generate frequency change packets. I
> think that given the new devices, this logic should change slightly.
>
> You may want to look into this, or maybe how the received data packets
> are laid out, or (a field still virgin for me) how the *sent* data
> packets are laid out (it'll be usefull at some point).

Cool. That would be the learning oppertunity I'm here for.

>
> Waiting for the new pages to appear, you may want to have a look to
> http://jbnote.free.fr/prism54usb/usb_protocol_data.html
>
> 1.1.6 Unknown frame is indeed a frequency change packet. The frequency
>    change sequence is really visible on the usbsnoop logs after the
>    mgmt reaback, when the device scans the frequency range searching
>    for available access points.
>
> Those packets used data from the management frame, as one may have
> supposed...
>

Fun ... Fun ... Fun.

Ian