Android---wifi
相关知识
网上的资料：
WiFi协议
https://blog.csdn.net/leho666/article/details/89136542
2.4G 和5G区别
https://blog.csdn.net/taotongning/article/details/95215927
世界各个地区WIFI 2.4G及5G信道划分表（附无线通信频率分配表）
https://blog.csdn.net/dxpqxb/article/details/80969760
WiFi交互过程
https://my.oschina.net/665544/blog/1623430
tcpdump 命令
https://www.cnblogs.com/dongweiq/p/9371193.html
EAPOL
https://blog.csdn.net/tommy_wxie/article/details/41519159
EAP认证过程
https://blog.csdn.net/weixin_30248399/article/details/96219780
Android P wifi 流程
https://blog.csdn.net/liluo2013/article/details/85344385
Android Q wifi流程
https://blog.csdn.net/sinat_20059415/article/details/103639106
https://blog.csdn.net/sinat_20059415/article/details/103534598
