On Wed, 2007-10-10 at 16:57 +0200, dragoran wrote: > On 10/10/07, Dan Williams <dcbw@xxxxxxxxxx> wrote: > >[..] > > wpa_supplicant's support for hidden SSIDs sort of sucks; mainly because > > the drivers implement this in different ways. wpa_supplicant says you > > must use "ap_scan=2" for hidden SSIDs (and possibly ssid_scan=1 to do > > specific ssid probe requests), which causes wpa_supplicant to blast all > > settings to the card directly and not try to be smart about AP scanning > > and selection. However, this doesn't work often because drivers are > > inconsistent about this. > > > > The way it _should_ work is that if scan_ssid = 1 for a network, > > wpa_supplicant should ask that the driver scan the specific ssid using > > IW_SCAN_THIS_ESSID. The card would then issue specific SSID scan > > requests on each channel during the scan, and hopefully find the AP in > > question. > > > > Unfortunately, most drivers don't support IW_SCAN_THIS_ESSID. So the > > best we can do is set AP_SCAN=2, let wpa_supplicant blow all the > > settings to the card, and just _hope_ that the card/driver are smart > > enough to find the hidden SSID on their own and associate. Which is > > less often than we'd hope. > > so your are suggestion to use ap_scan=2 and add scan_ssid=1 to the > network block? > nm seems not to do this. It should be doing this... > btw shouldn't all mac80211 drivers either work or not work because the > code for this is in mac80211 and not in the drivers? Yeah, pretty much; but each driver/firmware may handle hidden ssids slightly differently. mac80211 should bring some sanity to this area, but I wouldn't discount variation between even mac80211 based drivers. Dan > I will be able to test again this friday will try this and the > ap_scan=1 if there are other suggestion feel free to say them so I can > add them to my "totest" list ;) - To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
