TCP_WSCALE_FIRST
TCP_WSCALE_FIRST;
if (!(tcpflags & TH_SYN) && (fdata->td_winflags & TCP_WSCALE_FIRST)) {
fdata->td_winflags &= ~TCP_WSCALE_FIRST;
(TCP_WSCALE_SEEN|TCP_WSCALE_FIRST))) {