需求描述
QCA6174 WiFi信道自动选择屏蔽DFS信道，手动设置信道检测到雷达信号之后，跳转到指定信道方法
Hostapd版本
/ # hostapd
hostapd v2.10-devel
User space daemon for IEEE 802.11 AP management,
IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator
Copyright (c) 2002-2019, Jouni Malinen <j@w1.fi> and contributorsusage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] \[-g <global ctrl_iface>] [-G <group>]\[-i <comma-separated list of interface names>]\<configuration file(s)>options:-h show this usage-d show more debug messages (-dd for even more)-B run daemon in the background-e entropy file-g global control interface path-G group for control interfaces-P PID file-K include key data in debug messages-f log output to debug file instead of stdout-i list of interface names to use-S start all the interfaces synchronously-t include
