[ath9k-devel] how to config AR9280 for operation as 1X1 or other ideas

[Felix Fietkau <nbd@openwrt.org>]

On 2011-03-29 7:25 PM, Larry Vaden wrote:
> root at OpenWrt:~# uptime
>   00:07:40 up 7 min, load average: 0.00, 0.03, 0.04
> root at OpenWrt:~# cat /etc/config/wireless
> config wifi-device  radio0
>          option type     mac80211
>          option channel  3
>          option macaddr  00:15:6d:4e:f1:46
>          option hwmode   11ng
>          option htmode   HT20
>          list ht_capab   SHORT-GI-40
>          list ht_capab   TX-STBC
>          list ht_capab   RX-STBC1
>          list ht_capab   DSSS_CCK-40
>          # REMOVE THIS LINE TO ENABLE WIFI:
>          option disabled 0
>
> config wifi-iface
>          option device   radio0
>          option network  lan
>          option mode     ap
>          option ssid     OpenWrt
>          option encryption none
>
> root at OpenWrt:~# cat
> /sys/kernel/debug/ieee80211/phy0/netdev:wlan0/stations/*/rc_stats
> cat: can't open
> '/sys/kernel/debug/ieee80211/phy0/netdev:wlan0/stations/*/rc_stats':
> No such file or directory
That happens if it's not connected.

> root at OpenWrt:~# iw wlan0 survey dump
> Survey data from wlan0
>          frequency:                      2412 MHz
>          noise:                          -97 dBm
>          channel active time:            42 ms
>          channel busy time:              14 ms
>          channel receive time:           0 ms
>          channel transmit time:          0 ms
> Survey data from wlan0
>          frequency:                      2417 MHz
> Survey data from wlan0
>          frequency:                      2422 MHz [in use]
>          noise:                          -81 dBm
>          channel active time:            455133 ms
>          channel busy time:              59391 ms
>          channel receive time:           9327 ms
>          channel transmit time:          4375 ms
Still very noisy and high busy time, something is causing quite a bit of 
interference. No idea how to reduce that or track it down though.

- Felix