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Opened 3 years ago

Last modified 3 years ago

#17390 new defect

Can't set txpower above 17mBm on Asus RT-N56U

Reported by: chuacw Owned by: developers
Priority: normal Milestone:
Component: other Version: Trunk
Keywords: radio, wlan, wifi Cc:

Description

The following command doesn't have any effect. It doesn't show any errors too.

iw dev wlan1 set txpower fixed 30mBm

I've used both:
http://downloads.openwrt.org/snapshots/trunk/ramips.rt3883/ and
http://downloads.openwrt.org/barrier_breaker/14.07-rc2/ramips/rt3883/

root@OpenWrt:~# iw phy1 info
Wiphy phy1

max # scan SSIDs: 4
max scan IEs length: 2257 bytes
Retry short limit: 7
Retry long limit: 4
Coverage class: 0 (up to 0m)
Available Antennas: TX 0 RX 0
Supported interface modes:

  • IBSS
  • managed
  • AP
  • AP/VLAN
  • WDS
  • monitor
  • mesh point

Band 1:

Capabilities: 0x3f2

HT20/HT40
Static SM Power Save
RX Greenfield
RX HT20 SGI
RX HT40 SGI
TX STBC
RX STBC 3-streams
Max AMSDU length: 3839 bytes
No DSSS/CCK HT40

Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 2 usec (0x04)
HT RX MCS rate indexes supported: 0-23, 32
TX unequal modulation not supported
HT TX Max spatial streams: 2
HT TX MCS rate indexes supported may differ
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)

Band 2:

Capabilities: 0x3f2

HT20/HT40
Static SM Power Save
RX Greenfield
RX HT20 SGI
RX HT40 SGI
TX STBC
RX STBC 3-streams
Max AMSDU length: 3839 bytes
No DSSS/CCK HT40

Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 2 usec (0x04)
HT RX MCS rate indexes supported: 0-23, 32
TX unequal modulation not supported
HT TX Max spatial streams: 2
HT TX MCS rate indexes supported may differ
Frequencies:

  • 5180 MHz [36] (17.0 dBm)
  • 5190 MHz [38] (17.0 dBm)
  • 5200 MHz [40] (17.0 dBm)
  • 5220 MHz [44] (17.0 dBm)
  • 5230 MHz [46] (17.0 dBm)
  • 5240 MHz [48] (17.0 dBm)
  • 5260 MHz [52] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5270 MHz [54] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5280 MHz [56] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5300 MHz [60] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5310 MHz [62] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5320 MHz [64] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5500 MHz [100] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5510 MHz [102] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5520 MHz [104] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5540 MHz [108] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5550 MHz [110] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5560 MHz [112] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5570 MHz [114] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5580 MHz [116] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5590 MHz [118] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5600 MHz [120] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5620 MHz [124] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5630 MHz [126] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5640 MHz [128] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5660 MHz [132] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5670 MHz [134] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5680 MHz [136] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5700 MHz [140] (24.0 dBm) (radar detection) DFS state: usable (for 2156003 sec) DFS CAC time: 60000 ms
  • 5745 MHz [149] (30.0 dBm)
  • 5755 MHz [151] (30.0 dBm)
  • 5765 MHz [153] (30.0 dBm)
  • 5785 MHz [157] (30.0 dBm)
  • 5795 MHz [159] (30.0 dBm)
  • 5805 MHz [161] (30.0 dBm)
  • 5825 MHz [165] (30.0 dBm)
  • 5835 MHz [167] (disabled)
  • 5845 MHz [169] (disabled)
  • 5855 MHz [171] (disabled)
  • 5865 MHz [173] (disabled)

valid interface combinations:

  • #{ managed, AP, mesh point } <= 8, total <= 8, #channels <= 1

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

Attachments (0)

Change History (1)

comment:1 Changed 3 years ago by chuacw

Close ticket please. Issue resolved.

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