TCP_MAXRXTSHIFT
if (tp->t_rxtshift > TCP_MAXRXTSHIFT / 4) {
if (tp->t_rxtshift > TCP_MAXRXTSHIFT / 4) {
if (new > TCP_MAXRXTSHIFT)
if ((new < 1) || (new > TCP_MAXRXTSHIFT))
VNET_DEFINE(int, tcp_retries) = TCP_MAXRXTSHIFT;
int tcp_backoff[TCP_MAXRXTSHIFT + 1] =
#define TCP_RTT_INVALIDATE (TCP_MAXRXTSHIFT / 4)