joinbss_event
struct joinbss_event *pjoinbss_evt;
cmdsz = (sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header));
pc2h_evt_hdr->len = sizeof(struct joinbss_event);
pjoinbss_evt = (struct joinbss_event *)(pevtcmd + sizeof(struct C2HEvent_Header));