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Re: scan_request->nr_ssids never 0 ?

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On Tue, 2009-09-29 at 15:18 +0200, Holger Schurig wrote:
> Even when I do an "iw xxx scan trigger", scan_request->nr_ssids 
> is always 1 in my driver.
> 
> Is this a bug or a feature?

# iw wlan0 scan trigger passive

> However, scan_request->ssids[0].ssid_len is 0.
> 
> So to ask my firmware for an SSID scan, I need to do 
> 
>  if (req->n_ssids && req->ssid[0].ssid_len)
> 
> instead of simply
> 
>  if (req->n_ssids)

No. You need to ask it to probe for the wildcard SSID, which is 0 bytes
long.

johannes

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