Index: sys/netinet/cc/cc_newreno.c
===================================================================
--- sys/netinet/cc/cc_newreno.c
+++ sys/netinet/cc/cc_newreno.c
@@ -166,7 +166,11 @@
 	 *
 	 * See RFC5681 Section 4.1. "Restarting Idle Connections".
 	 */
-	if (V_tcp_do_rfc3390)
+	if (V_tcp_initcwnd_segments)
+		rw = min(V_tcp_initcwnd_segments * CCV(ccv, t_maxseg),
+		    max(2 * CCV(ccv, t_maxseg),
+			V_tcp_initcwnd_segments * 1460));
+	else if (V_tcp_do_rfc3390)
 		rw = min(4 * CCV(ccv, t_maxseg),
 		    max(2 * CCV(ccv, t_maxseg), 4380));
 	else