Ad-Hoc scanning measurements

Jouni Malinen jkmaline
Sat Apr 9 09:44:40 PDT 2005


On Thu, Apr 07, 2005 at 10:55:03AM +0200, Christian B?nnig wrote:

> But isn't there some kind of trigger in the code which tells the card to 
> start a scan for a given list of channels? I've found something similar 
> in the linux-wlan-ng code..

You can probably use HostScan command to do this even in ad-hoc mode.

> Yes, there is no handoff like in managed-mode but it could be necessary 
> for a an ad-hoc node in a multi-hop-radio-access-network to 'switch' to 
> another ad-hoc-cell. To know of other ad-hoc cells it needs to scan/send 
> probe requests. I want the other nodes not only respond with 
> probe-response-packets but also inform an upper layer about the incoming 
> probe-requests. Obviously this is not possible if the firmware handles 
> probe-requests completely on its own without informing the driver. Is 
> that the case?

Yes, firmware takes care of processing incoming Probe Requests; both in
Host AP and ad-hoc modes.

-- 
Jouni Malinen                                            PGP id EFC895FA




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