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_rfDot11RFEntry...dot11channel: 1dot11ch_low: 0dot11ch_hi: 0pwrlevelCCK_A: 5959595858585858585757575757pwrlevelCCK_B: 4f4f4f4f4f4f4f4f4f4f4f4f4f4fpwrlevelHT40_1S_A: 4e4e4e4e4e4e4e4e4e4e4e4e4e4epwrlevelHT40_1S_B: 4747474949494949494949494949pwrdiffHT40_2S: 0000000000000000000000000000pwrdiffHT20: 00000