TP-Link CPE210v3 wifi not working
Username: Max L
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=2478
same bug as
FS#2333
but occurs on CPE 210 v3 as well
- Device problem occurs on
TP-Link CPE 210v3
- Software versions of OpenWrt/LEDE release, packages, etc.
Master at c696f2d0675eccc370039412dda98be2769e85e40fc81b1b08771dff78948cb7
- Steps to reproduce
Migrated from ar71xx to ath79 with fresh settings.
Clients can’t see the AP and “iw dev wlan0 scan” is returning nothing. Wifi doesn’t seem to work.
wifi bug hint: seen somebody mentioned in CPE210 bug threads different irqs
wifi not working:
ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' ieee80211 phy0: Atheros AR9531 Rev:2 mem=0xb8100000, irq=12
wifi working:
ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' ieee80211 phy0: Atheros AR9531 Rev:2 mem=0xb8100000, irq=47
iwinfo
root@OpenWrt:~# iwinfo wlan0 ESSID: unknown Access Point: 98:DA:C4:5B:9C:26 Mode: Client Channel: unknown (unknown) Tx-Power: 3 dBm Link Quality: unknown/70 Signal: unknown Noise: -95 dBm Bit Rate: unknown Encryption: unknown Type: nl80211 HW Mode(s): 802.11bgn Hardware: unknown [Generic MAC80211] TX power offset: unknown Frequency offset: unknown Supports VAPs: yes PHY name: phy0
iw phy
root@OpenWrt:~# iw phy Wiphy phy0 max # scan SSIDs: 4 max scan IEs length: 2257 bytes max # sched scan SSIDs: 0 max # match sets: 0 max # scan plans: 1 max scan plan interval: -1 max scan plan iterations: 0 Retry short limit: 7 Retry long limit: 4 Coverage class: 0 (up to 0m) Device supports AP-side u-APSD. Device supports T-DLS. Available Antennas: TX 0x3 RX 0x3 Configured Antennas: TX 0x3 RX 0x3 Supported interface modes: * IBSS * managed * AP * AP/VLAN * monitor * mesh point * P2P-client * P2P-GO * outside context of a BSS Band 1: Capabilities: 0x11ef RX LDPC HT20/HT40 SM Power Save disabled RX HT20 SGI RX HT40 SGI TX STBC RX STBC 1-stream Max AMSDU length: 3839 bytes DSSS/CCK HT40 Maximum RX AMPDU length 65535 bytes (exponent: 0x003) Minimum RX AMPDU time spacing: 8 usec (0x06) HT TX/RX MCS rate indexes supported: 0-15 Frequencies: * 2412 MHz [1] (25.0 dBm) * 2417 MHz [2] (25.0 dBm) * 2422 MHz [3] (25.0 dBm) * 2427 MHz [4] (25.0 dBm) * 2432 MHz [5] (25.0 dBm) * 2437 MHz [6] (25.0 dBm) * 2442 MHz [7] (25.0 dBm) * 2447 MHz [8] (25.0 dBm) * 2452 MHz [9] (25.0 dBm) * 2457 MHz [10] (25.0 dBm) * 2462 MHz [11] (25.0 dBm) * 2467 MHz [12] (disabled) * 2472 MHz [13] (disabled) * 2484 MHz [14] (disabled) valid interface combinations: * #{ managed } <= 2048, #{ AP, mesh point } <= 8, #{ P2P-client, P2P-GO } <= 1, #{ IBSS } <= 1, total <= 2048, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz }
HT Capability overrides:
* MCS: ff ff ff ff ff ff ff ff ff ff
* maximum A-MSDU length
* supported channel width
* short GI for 40 MHz
* max A-MPDU length exponent
* min MPDU start spacing
Supported extended features:
* [ RRM ]: RRM
* [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
* [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
* [ TXQS ]: FQ-CoDel-enabled intermediate TXQs
uci show wireless
root@OpenWrt:~# uci show wireless wireless.radio0=wifi-device wireless.radio0.type='mac80211' wireless.radio0.channel='11' wireless.radio0.hwmode='11g' wireless.radio0.path='platform/ahb/18100000.wmac' wireless.radio0.htmode='HT20' wireless.radio0.disabled='1' wireless.default_radio0=wifi-iface wireless.default_radio0.device='radio0' wireless.default_radio0.network='lan' wireless.default_radio0.mode='ap' wireless.default_radio0.ssid='OpenWrt' wireless.default_radio0.encryption='none'