---- a/ip/iproute.c
-+++ b/ip/iproute.c
-@@ -73,7 +73,7 @@ static void usage(void)
- fprintf(stderr, " [ rtt TIME ] [ rttvar TIME ]\n");
- fprintf(stderr, " [ window NUMBER] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n");
- fprintf(stderr, " [ ssthresh NUMBER ] [ realms REALM ] [ src ADDRESS ]\n");
-- fprintf(stderr, " [ rto_min TIME ]\n");
-+ fprintf(stderr, " [ rto_min TIME ] [ hoplimit NUMBER ]\n");
- fprintf(stderr, "TYPE := [ unicast | local | broadcast | multicast | throw |\n");
- fprintf(stderr, " unreachable | prohibit | blackhole | nat ]\n");
- fprintf(stderr, "TABLE_ID := [ local | main | default | all | NUMBER ]\n");
-@@ -792,6 +792,30 @@ int iproute_modify(int cmd, unsigned fla
- invarg("\"reordering\" value is invalid\n", *argv);
- rta_addattr32(mxrta, sizeof(mxbuf), RTAX_REORDERING, reord);
- #endif
-+#ifdef RTAX_HOPLIMIT
-+ } else if (strcmp(*argv, "hoplimit") == 0) {
-+ unsigned hoplim;
-+ NEXT_ARG();
-+ if (strcmp(*argv, "lock") == 0) {
-+ mxlock |= (1<<RTAX_HOPLIMIT);
-+ NEXT_ARG();
-+ }
-+ if (get_unsigned(&hoplim, *argv, 0))
-+ invarg("\"hoplimit\" value is invalid\n", *argv);
-+ rta_addattr32(mxrta, sizeof(mxbuf), RTAX_HOPLIMIT, hoplim);
-+#endif
-+#ifdef RTAX_INITCWND
-+ } else if (strcmp(*argv, "initcwnd") == 0) {
-+ unsigned initcwnd;
-+ NEXT_ARG();
-+ if (strcmp(*argv, "lock") == 0) {
-+ mxlock |= (1<<RTAX_HOPLIMIT);
-+ NEXT_ARG();
-+ }
-+ if (get_unsigned(&initcwnd, *argv, 0))
-+ invarg("\"initcwnd\" value is invalid\n", *argv);
-+ rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITCWND, initcwnd);
-+#endif
- } else if (strcmp(*argv, "rtt") == 0) {
- unsigned rtt;
- NEXT_ARG();