Scanning problem for hidden SSIDs

Dan Williams dcbw at
Tue Jun 26 16:42:26 EDT 2007

On Tue, 2007-06-26 at 20:59 +0200, Holger Schurig wrote:
> > Did you test this out on USB 8388 reference dongle too, and did that
> > fail to generate the expected frame?
> No, I did just test this with the CF card, with firmware 5.0.11 and
> 5.0.16. On the USB dongle, I just tested if the code can still scan
> at all and that I get connected to an AP.

If it doesn't take too long, could you re-test with the usb dongle?  I
don't think it will work based on the information about the firmware
that I have, but wouldn't hurt to make sure.

I think you're SOL with the CF card unless the firmware has null packet
support built in.  The gumstix driver has the code for it, but
apparently not the firmware support in 5.0.15?


> For the CF card, I had let get me connected, and then I did an
> "iwlist eth1 scan", which took 1.4 - 1.5 seconds for 11 channels. While
> I was doing this, the built-in card of the same laptop was in monitor
> mode and captured all packages via tshark into a pcap file, which I
> later analyzed on my PC.
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