Hostapd and ath9k - AP not working

Helena Zhang helena at astbb.com
Sat Mar 28 04:28:46 EDT 2009


Did testing with station and a linksys router on 11n mode today and was able
to get iperf throughput of 80 Mb between the station and a computer through
the router. So there seems to be something wrong with the ap code, but I
can't figure out where the problem might be.

On Tue, Mar 24, 2009 at 12:19 PM, Jouni Malinen <j at w1.fi> wrote:

> On Tue, Mar 24, 2009 at 12:09:51PM -0700, Helena Zhang wrote:
>
> > I tried setting channel and hw_mode:
> > interface=wlan0
> > driver=nl80211
> > ssid=test
> > channel=1
> > hw_mode=g
> > ieee80211n=1
> >
> > But then I get:
> >
> > Mode: IEEE 802.11g  Channel: 1  Frequency: 2412 MHz
> > Could not set channel for kernel driver
>
> Hmm.. That does not look good. Could you please send 'iw list' output?
> See http://wireless.kernel.org/en/users/Documentation/iw if you do not
> have a relatively recent version of iw. Please also send 'dmesg' output
> after having started hostapd.
>
> > wlan0     IEEE 802.11abgn  ESSID:""
> >           Mode:Master  Frequency:2.412 GHz  Tx-Power=27 dBm
> >           Retry min limit:7   RTS thr:off   Fragment thr=2352 B
> >           Encryption key:off
> >           Power Management:off
> >           Link Quality:0  Signal level:0  Noise level:0
> >           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
> >           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
> >
> > ESSID is still blank and stations are still unable to see the ap.
>
> Not seeing SSID in iwconfig output is actually by design when using
> driver=nl80211, so that can be ignored. Not seeing the AP is of course
> not expected.
>
> --
> Jouni Malinen                                            PGP id EFC895FA
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