On Sat, Jul 30, 2011 at 9:59 PM, Laurence Darby <ldarby@xxxxxxxxxxxx> wrote: > Larry Finger wrote: > >> On 07/30/2011 01:14 PM, Laurence Darby wrote: >> > >> > I have now enabled rfkill. The hostapd error message is now: >> > >> > Hardware does not support configured mode >> > wlan0: IEEE 802.11 Hardware does not support configured mode (2) >> > Could not select hw_mode and channel. (-2) >> > wlan0: Unable to setup interface. >> > rmdir[ctrl_interface]: No such file or directory >> >> Please post your hostapd.conf. I don't have any ath9k hardware and >> cannot check that it works with, but other wireless devices work with >> >> interface=wlan0 >> driver=nl80211 >> hw_mode=g >> channel=1 >> ssid=test2 >> #wpa=2 >> #wpa_key_mgmt=WPA-PSK >> #wpa_pairwise=CCMP >> #wpa_passphrase="deleted" >> >> Larry > > Ah, thanks, that does work and my other devices can see it now! > > I was using the unmodified hostapd.conf, which has hw_mode=a, but > this device only supports modes b,g & n. That is what the error is > talking about, not the Master/Ad-Hoc mode which I thought it was trying > to configure (which it is as well, actually). Would be good if the > error message included the mode it's trying to configure, instead of > "(2)", that would definitely have stopped me getting confused here. > > Some more reasons I didn't think this supported AP mode: > http://linuxwireless.org/en/users/Drivers has 'no' for AP support for > the ath9k_htc, that conflicts with the driver page, and > > # iwconfig wlan0 mode Managed > > works, while > > # iwconfig wlan0 mode Master > always gives: > Error for wireless request "Set Mode" (8B06) : > SET failed on device wlan0 ; Invalid argument. > > With hostapd running, iwconfig says: > > wlan0 IEEE 802.11bgn Mode:Master Frequency:2.412 GHz Tx-Power=20 > dBm Retry long limit:7 RTS thr:off Fragment thr:off > Power Management:off > > and reverts to Mode:Managed if I stop hostapd, so I'm not sure why > iwconfig can't change it... > > Ok, http://linuxwireless.org/en/users/Documentation/hostapd does say > that hw_mode needs to be set correctly, but it wasn't obvious enough > that's what the problem was. The error and solution could be added to > where ./hostapd gets started. Also, it refers to a > hostapd-minimal.conf, I couldn't see that anywhere, that's why I used > the default hostapd.conf. > > Laurence > "iwconfig wlan0 mode master" means "Set wlan0 to use the in-kernel master mode implementation." Since mac80211 has no in-kernel support for master mode (that's why you need hostapd - master mode is supported from userspace), it will always fail. Also, iwconfig uses Wireless Extensions (AKA wext) to configure the wireless card - access to AP mode through wext is intentionally blocked, to help the migration of userspace utilities to nl80211. -- Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) -- 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
