On 22 March 2017 at 15:42, Felix Fietkau <nbd@xxxxxxxx> wrote:
> The tx power applied by set_txpower is limited by the CTL (conformance
> test limit) entries in the EEPROM. These can change based on the user
> configured regulatory domain.
> Depending on the EEPROM data this can cause the tx power to become too
> limited, if the original regdomain CTLs impose lowr limits than the CTLs
> of the user configured regdomain.
When merged, should this this fix this annoyance? Or is TP-Link just
shipping junk cal data?
root@LEDE:~# iw phy
Wiphy phy1
...
Frequencies:
* 5180 MHz [36] (21.0 dBm)
* 5200 MHz [40] (21.0 dBm)
* 5220 MHz [44] (21.0 dBm)
* 5240 MHz [48] (21.0 dBm)
* 5260 MHz [52] (21.0 dBm) (radar detection)
* 5280 MHz [56] (21.0 dBm) (radar detection)
* 5300 MHz [60] (21.0 dBm) (radar detection)
* 5320 MHz [64] (21.0 dBm) (radar detection)
* 5500 MHz [100] (21.0 dBm) (radar detection)
* 5520 MHz [104] (21.0 dBm) (radar detection)
* 5540 MHz [108] (21.0 dBm) (radar detection)
* 5560 MHz [112] (21.0 dBm) (radar detection)
* 5580 MHz [116] (21.0 dBm) (radar detection)
* 5600 MHz [120] (disabled)
* 5620 MHz [124] (disabled)
* 5640 MHz [128] (disabled)
* 5660 MHz [132] (21.0 dBm) (radar detection)
* 5680 MHz [136] (21.0 dBm) (radar detection)
* 5700 MHz [140] (21.0 dBm) (radar detection)
* 5745 MHz [149] (21.0 dBm)
* 5765 MHz [153] (21.0 dBm)
* 5785 MHz [157] (21.0 dBm)
* 5805 MHz [161] (21.0 dBm)
* 5825 MHz [165] (21.0 dBm)
root@LEDE:~# iw reg get
global
country CA: DFS-FCC
(2402 - 2472 @ 40), (N/A, 30), (N/A)
(5150 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
(5250 - 5350 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW
(5470 - 5600 @ 80), (N/A, 24), (0 ms), DFS
(5650 - 5730 @ 80), (N/A, 24), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
phy#1
country US: DFS-FCC
(2402 - 2472 @ 40), (N/A, 30), (N/A)
(5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
(5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
(5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
(57240 - 63720 @ 2160), (N/A, 40), (N/A)
root@LEDE:~# iw phy phy1 set txpower fixed 1500
root@LEDE:~# iwinfo
wlan1 ESSID: nah
Access Point: still nah
Mode: Master Channel: 48 (5.240 GHz)
Tx-Power: 15 dBm Link Quality: 44/70
Signal: -66 dBm Noise: -90 dBm
Bit Rate: 147.5 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11an
Hardware: 168C:0033 168C:A120 [Atheros AR9580]
TX power offset: none
Frequency offset: none
Supports VAPs: yes PHY name: phy1
root@LEDE:~# iw phy phy1 set txpower fixed 2000
root@LEDE:~# iwinfo
wlan1 ESSID: nah
Access Point: still nah
Mode: Master Channel: 48 (5.240 GHz)
Tx-Power: 17 dBm Link Quality: 45/70
Signal: -65 dBm Noise: -90 dBm
Bit Rate: 177.5 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11an
Hardware: 168C:0033 168C:A120 [Atheros AR9580]
TX power offset: none
Frequency offset: none
Supports VAPs: yes PHY name: phy1