[FS#3643] iwinfo returns bad data
OpenWrt Bugs
openwrt-bugs at lists.openwrt.org
Fri Feb 26 06:46:51 EST 2021
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User who did this - George Robinson (Goerge255)
Attached to Project - OpenWrt/LEDE Project
Summary - iwinfo returns bad data
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - OpenWrt 19.07.7 r11306-c4a6851c72 / LuCI openwrt-19.07 branch git-21.054.03371-3b137b5
Device: Netgear R6120
Bad data returned by `iwinfo` for a wireless adapter connected via USB.
root at OpenWrt:~# iwinfo
wlan0 ESSID: "myssid0"
Access Point: BA:AD:F0:0D:BA:AD
Mode: Client Channel: 9 (2.452 GHz)
Tx-Power: 20 dBm Link Quality: 51/70
Signal: -59 dBm Noise: unknown
Bit Rate: 52.0 MBit/s
Encryption: WPA2 PSK (TKIP, CCMP)
Type: nl80211 HW Mode(s): 802.11bgn
Hardware: 14C3:7628 14C3:0004 [MediaTek MT76x8]
TX power offset: none
Frequency offset: none
Supports VAPs: yes PHY name: phy0
wlan1 ESSID: "myssid1"
Access Point: BA:AD:F0:0D:BA:DD
Mode: Client Channel: 44 (5.220 GHz)
Tx-Power: 20 dBm Link Quality: 43/70
Signal: -67 dBm Noise: unknown
Bit Rate: 54.0 MBit/s
Encryption: WPA2 PSK (TKIP, CCMP)
Type: nl80211 HW Mode(s): 802.11nac
Hardware: 14C3:7662 14C3:7662 [MediaTek MT76x2E]
TX power offset: none
Frequency offset: none
Supports VAPs: yes PHY name: phy1
wlan2 ESSID: "myssid2"
Access Point: BA:AA:AD:F0:00:0D
Mode: Client Channel: 9 (2.452 GHz)
Tx-Power: 20 dBm Link Quality: 56/70
Signal: -54 dBm Noise: unknown
Bit Rate: 150.0 MBit/s
Encryption: WPA2 PSK (TKIP, CCMP)
Type: nl80211 HW Mode(s): 802.11bgn
Hardware: 14C3:7628 14C3:0004 [MediaTek MT76x8]
TX power offset: none
Frequency offset: none
Supports VAPs: yes PHY name: phy2
Notice that the same `Hardware` line is returned for `wlan0` and `wlan2` despite different MAC addresses and different `PHY names`.
The wlan2 hardware is the ALFA AWUS036NHA and `lsusb' identifies it as:
root at OpenWrt:~# lsusb -v | grep ID
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0cf3:9271 Qualcomm Atheros Communications AR9271 802.11n
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
It is worth mentioning that the `wlan2` interface is fully functional.
More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3643
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