hello_programmer的专栏

Ø  Main.c  static voidieee80211_tasklet_handler(unsigned long data)Everything aboutreceive is started from this function. There is a switch statement:switch(skb->pkt_type), two cases: IEEE80211_

上一篇说道，ieee80211_prepare_

I was speaking to a friend last evening on the topic of client troubleshooting. The discussion came up about roaming and roaming aggressiveness. We talked about the different aspects of client behavio

当用户态进程发送数据时，调用sendmsg实现，其调用内核netlink_sendmsg函数完成，新建了sk_buff,然后给其cb私有缓存中保存了源地址信息，然后把数据拷贝到sk_buff中[nlmsghdr头部已经附在数据部分前面，作为数据部分了]然后利用netlink_unicast发送出去      而当内核态发送时，新建了一个sk_buff，头部填写了nlmsghdr[利用了nlms