Can't set channels 12 and 13 on Raspberry Pi 3 in AP config
Username: Waldemar Konik
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=1133
It is not possible to set up channel 12/13 on Raspberry Pi 3 in Wifi AP configuration. I get error “brcmfmac: brcmf_cfg80211_start_ap: Set Channel failed: chspec=4109, -20”.
Tested on 17.01.1 and latest snapshot (r5217-098afa1e).
PS Raspbian works properly on 13 channel as AP.
Logs:
root@LEDE:~# uci show wireless wireless.radio0=wifi-device wireless.radio0.type='mac80211' wireless.radio0.hwmode='11g' wireless.radio0.path='platform/soc/3f300000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1' wireless.radio0.htmode='HT20' wireless.radio0.disabled='0' wireless.radio0.country='PL' wireless.radio0.channel='11' wireless.default_radio0=wifi-iface wireless.default_radio0.device='radio0' wireless.default_radio0.network='lan' wireless.default_radio0.mode='ap' wireless.default_radio0.ssid='Dantooine' wireless.default_radio0.encryption='psk2' wireless.default_radio0.key='secret'
root@LEDE:~# wifi [ 828.291269] device wlan0 left promiscuous mode [ 828.301579] br-lan: port 2(wlan0) entered disabled state [ 830.594037] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 830.608333] br-lan: port 2(wlan0) entered blocking state [ 830.619697] br-lan: port 2(wlan0) entered disabled state [ 830.631336] device wlan0 entered promiscuous mode [ 830.911507] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 830.924197] br-lan: port 2(wlan0) entered blocking state [ 830.935606] br-lan: port 2(wlan0) entered forwarding state
root@LEDE:# uci set wireless.radio0.channel=13
root@LEDE:# uci commit wireless
root@LEDE:~# wifi
[ 913.551274] device wlan0 left promiscuous mode
[ 913.561751] br-lan: port 2(wlan0) entered disabled state
[ 915.854693] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 915.869110] br-lan: port 2(wlan0) entered blocking state
[ 915.880481] br-lan: port 2(wlan0) entered disabled state
[ 915.892046] device wlan0 entered promiscuous mode
[ 916.080443] brcmfmac: brcmf_cfg80211_start_ap: Set Channel failed: chspec=4109, -20
[ 916.131249] device wlan0 left promiscuous mode
[ 916.142014] br-lan: port 2(wlan0) entered disabled state
[ 927.997654] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 928.012458] br-lan: port 2(wlan0) entered blocking state
[ 928.024440] br-lan: port 2(wlan0) entered disabled state
[ 928.036703] device wlan0 entered promiscuous mode
[ 928.222287] brcmfmac: brcmf_cfg80211_start_ap: Set Channel failed: chspec=4109, -20
[ 928.301237] device wlan0 left promiscuous mode
[ 928.312608] br-lan: port 2(wlan0) entered disabled state
root@LEDE:# uci set wireless.radio0.channel=11
root@LEDE:# uci commit wireless
root@LEDE:~# wifi
[ 990.032785] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 990.048153] br-lan: port 2(wlan0) entered blocking state
[ 990.060246] br-lan: port 2(wlan0) entered disabled state
[ 990.072619] device wlan0 entered promiscuous mode
[ 990.351670] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 990.365070] br-lan: port 2(wlan0) entered blocking state
[ 990.377132] br-lan: port 2(wlan0) entered forwarding state
[ 1000.491313] device wlan0 left promiscuous mode
[ 1000.502769] br-lan: port 2(wlan0) entered disabled state
[ 1002.676007] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1002.691453] br-lan: port 2(wlan0) entered blocking state
[ 1002.703651] br-lan: port 2(wlan0) entered disabled state
[ 1002.716135] device wlan0 entered promiscuous mode
[ 1003.093512] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 1003.107183] br-lan: port 2(wlan0) entered blocking state
[ 1003.119522] br-lan: port 2(wlan0) entered forwarding state
root@LEDE:~# iw list Wiphy phy0 max # scan SSIDs: 10 max scan IEs length: 2048 bytes max # sched scan SSIDs: 16 max # match sets: 16 max # scan plans: 1 max scan plan interval: 508 max scan plan iterations: 0 Retry short limit: 7 Retry long limit: 4 Coverage class: 0 (up to 0m) Device supports T-DLS. Available Antennas: TX 0 RX 0 Supported interface modes: * IBSS * managed * AP * P2P-client * P2P-GO * P2P-device Band 1: Capabilities: 0x1020 HT20 Static SM Power Save RX HT20 SGI No RX STBC Max AMSDU length: 3839 bytes DSSS/CCK HT40 Maximum RX AMPDU length 65535 bytes (exponent: 0x003) Minimum RX AMPDU time spacing: 16 usec (0x07) HT TX/RX MCS rate indexes supported: 0-7 Frequencies: * 2412 MHz [1] (20.0 dBm) * 2417 MHz [2] (20.0 dBm) * 2422 MHz [3] (20.0 dBm) * 2427 MHz [4] (20.0 dBm) * 2432 MHz [5] (20.0 dBm) * 2437 MHz [6] (20.0 dBm) * 2442 MHz [7] (20.0 dBm) * 2447 MHz [8] (20.0 dBm) * 2452 MHz [9] (20.0 dBm) * 2457 MHz [10] (20.0 dBm) * 2462 MHz [11] (20.0 dBm) * 2467 MHz [12] (20.0 dBm) * 2472 MHz [13] (20.0 dBm)**** * 2484 MHz [14] (disabled) valid interface combinations: * #{ managed } <= 1, #{ P2P-device } <= 1, #{ P2P-client, P2P-GO } <= 1, total <= 3, #channels <= 1 * #{ managed } <= 1, #{ AP } <= 1, #{ P2P-client } <= 1, #{ P2P-device } <= 1, total <= 4, #channels <= 1