i've a linux box, running latest kernel/stable uname -rm 5.4.13-24.g5cf5394-default x86_64 with a usb-attached atheros wifi dongle lsusb | grep -i ath Bus 001 Device 006: ID 0cf3:9271 Qualcomm Atheros Communications AR9271 802.11n it's recognized & functioning on boot lsmod | egrep -i "ath|80211" ath9k_htc 81920 0 ath9k_common 20480 1 ath9k_htc ath9k_hw 491520 2 ath9k_htc,ath9k_common ath 36864 3 ath9k_htc,ath9k_common,ath9k_hw mac80211 970752 4 ath9k_htc,rt2x00lib,rt2x00usb,rt2800lib cfg80211 823296 5 ath9k_htc,ath9k_common,rt2x00lib,ath,mac80211 libarc4 16384 1 mac80211 rfkill 28672 5 rfkill_gpio,cfg80211 usbcore 307200 6 ath9k_htc,xhci_hcd,rt2800usb,usbhid,xhci_pci,rt2x00usb dm_multipath 36864 0 dm_mod 155648 28 dm_multipath hwinfo --wlan ... 21: USB 00.0: 0282 WLAN controller [Created at usb.122] Unique ID: BobO.B4pqOVVOeJE Parent ID: ADDn.DFkaVl_rzX0 SysFS ID: /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.2/1-1.2:1.0 SysFS BusID: 1-1.2:1.0 Hardware Class: network Model: "Qualcomm Atheros AR9271 802.11n" Hotplug: USB Vendor: usb 0x0cf3 "Qualcomm Atheros Communications" Device: usb 0x9271 "AR9271 802.11n" Revision: "1.08" Serial ID: "12345" Driver: "ath9k_htc" Driver Modules: "ath9k_htc" Device File: wlp0s20u1u2 Features: WLAN Speed: 480 Mbps HW Address: ec:08:6b:... Permanent HW Address: ec:08:6b:... Link detected: no WLAN channels: 1 2 3 4 5 6 7 8 9 10 11 12 13 WLAN frequencies: 2.412 2.417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457 2.462 2.467 2.472 WLAN encryption modes: WEP40 WEP104 TKIP CCMP WLAN authentication modes: open sharedkey wpa-psk wpa-eap Module Alias: "usb:v0CF3p9271d0108dcFFdscFFdpFFicFFisc00ip00in00" Driver Info #0: Driver Status: ath9k_htc is active Driver Activation Cmd: "modprobe ath9k_htc" Config Status: cfg=new, avail=yes, need=no, active=unknown Attached to: #26 (Hub) ... but the region code sets to China, "=CN" dmesg | egrep -i "ath|80211" [ 8.359444] usb 1-1.2: Manufacturer: ATHEROS [ 16.427256] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 16.427734] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47abc4dd84' [ 16.871247] usb 1-1.2: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 16.871435] usbcore: registered new interface driver ath9k_htc [ 17.019552] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3572, rev 0223 detected [ 17.032734] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0009 detected [ 17.033106] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' [ 17.284607] usb 1-1.2: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 17.536427] ath9k_htc 1-1.2:1.0: ath9k_htc: HTC initialized with 33 credits [ 17.803159] ath9k_htc 1-1.2:1.0: ath9k_htc: FW Version: 1.4 [ 17.803163] ath9k_htc 1-1.2:1.0: FW RMW support: On [ 17.803166] ath: EEPROM regdomain: 0x809c [ 17.803166] ath: EEPROM indicates we should expect a country code [ 17.803168] ath: doing EEPROM country->regdmn map search [ 17.803169] ath: country maps to regdmn code: 0x52 >>> [ 17.803170] ath: Country alpha2 being used: CN [ 17.803171] ath: Regpair used: 0x52 [ 17.817209] ieee80211 phy1: Atheros AR9271 Rev:1 [ 17.820065] ath9k_htc 1-1.2:1.0 wlp0s20u1u2: renamed from wlan0 and iw reg get global country CN: DFS-FCC (2402 - 2482 @ 40), (N/A, 20), (N/A) (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW (5735 - 5835 @ 80), (N/A, 30), (N/A) (57240 - 59400 @ 2160), (N/A, 28), (N/A) (59400 - 63720 @ 2160), (N/A, 44), (N/A) (63720 - 65880 @ 2160), (N/A, 28), (N/A) phy#1 country CN: DFS-FCC (2402 - 2482 @ 40), (N/A, 20), (N/A) (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW (5735 - 5835 @ 80), (N/A, 30), (N/A) (57240 - 59400 @ 2160), (N/A, 28), (N/A) (59400 - 63720 @ 2160), (N/A, 44), (N/A) (63720 - 65880 @ 2160), (N/A, 28), (N/A) even with cat /etc/modprobe.d/atheros.conf ath cn=US cfg80211 ieee80211_regdom=US what add'l config/workaround is needed to set the reg domain country? add'l kernel config? or
