TCP_REXMTVAL
TCPT_RANGESET(tp->t_rxtcur, TCP_REXMTVAL(tp),
(ticks - tp->t_rcvtime) >= TCP_REXMTVAL(tp) * tcp_totbackoff)) {
rexmt = TCP_REXMTVAL(tp) *
rexmt = TCP_REXMTVAL(tp) *
rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift];