[Realtek sdk-3.4.14b]RTL8197FH-VG+RTL8812F WiFi使用功率限制功能使用说明

sdk说明

** Gateway/AP firmware v3.4.14b – Aug 26, 2019**
? Wireless LAN driver changes as:
? Refine WiFi Stability and Performance
? Add 8812F MU-MIMO
? Add 97G/8812F multiple mac-clone
? Add 97G 2T3R antenna diversity
? Fix 97G/8812F/8814B MP issues
? Add CH144 DFS support for JP
? Fix PPPOE Dial on dial-on-demand abnormal when dual stack
? Fix Ethernet padding info disclosure
? Add WPA3 WEB UI
? Add RealSON support
? Add EasyMesh supports

需求描述

       根据不同信道限制WiFi的发射功率

需求分析

查看2.4G mib_rf

# cat /proc/wlan1/mib_rf
  Dot11RFEntry...
    dot11channel: 1
    dot11ch_low: 0
    dot11ch_hi: 0
    pwrlevelCCK_A: 5959595858585858585757575757
    pwrlevelCCK_B: 4f4f4f4f4f4f4f4f4f4f4f4f4f4f
    pwrlevelHT40_1S_A: 4e4e4e4e4e4e4e4e4e4e4e4e4e4e
    pwrlevelHT40_1S_B: 4747474949494949494949494949
    pwrdiffHT40_2S: 0000000000000000000000000000
    pwrdiffHT20: 00000