ntp/ntpd/ntp_proto.c

111 u_char	sys_stratum;		/* system stratum */
165 int	sys_floor = 0;		/* cluster stratum floor */
167 int	sys_ceiling = STRATUM_UNSPEC - 1; /* cluster stratum ceiling */
172 int	sys_orphan = STRATUM_UNSPEC + 1; /* orphan stratum */
624 	u_char	hisstratum;		/* packet stratum */
726 	hisstratum = PKT_TO_STRATUM(pkt->stratum);
1283 			    PKT_TO_STRATUM(pkt->stratum),
1332 		 * stratum is greater than the manycaster or the
1340 			DPRINTF(2, ("receive: AM_FXMIT drop: LEAP_NOTINSYNC || stratum || loop\n"));
1356 			    PKT_TO_STRATUM(pkt->stratum),
1420 		 * Do not respond if unsynchronized or stratum is below
1426 			DPRINTF(2, ("receive: AM_MANYCAST drop: unsync/stratum\n"));
1493 		 * Do not respond if unsynchronized or stratum is below
1499 			DPRINTF(2, ("receive: AM_NEWBCL drop: Unsync or bad stratum\n"));
1675 		 * Do not respond if synchronized and if stratum is
1686 			DPRINTF(2, ("receive: AM_NEWPASS drop: Remote stratum (%d) out of range\n",
1929 				"receive: Unexpected stratum (%d) in broadcast from %s",
2500 	pstratum = PKT_TO_STRATUM(pkt->stratum);
2504 	 * stratum and root distance are valid.
2541 	peer->stratum = min(pstratum, STRATUM_UNSPEC);
2829 	sys_stratum = min(peer->stratum + 1, STRATUM_UNSPEC);
2830 	if (   peer->stratum == STRATUM_REFCLOCK
2831 	    || peer->stratum == STRATUM_UNSPEC)
3209 		peer->stratum = STRATUM_UNSPEC;
3431  * down, the system leap bits are set to 11 and the stratum set to
3542 		if (peer->stratum == sys_orphan) {
3563 		 * triggering stratum climb to infinity
3564 		 * instability.  Peers at stratum higher than
3565 		 * the orphan stratum could have the orphan
3569 		if (peer->stratum > sys_orphan) {
3836 	 * stratum scaled by sys_mindisp (.001 by default). The goal of
3837 	 * the small stratum factor is to avoid clockhop between a
3842 	 * In contrast, ntpd 4.2.6 and earlier used stratum primarily
3844 	 * additional root distance per stratum.  This heavy bias is no
3872 		    peer->stratum * sys_mindisp;
4074 	xpkt.stratum = STRATUM_TO_PKT(sys_stratum);
4535 	 * unsynchronized, stratum zero, reference ID the four-character
4544 		xpkt.stratum = STRATUM_PKT_UNSPEC;
4580 		xpkt.stratum = STRATUM_TO_PKT(sys_stratum);
4819 	xpkt.stratum = STRATUM_TO_PKT(sys_stratum);
4986  * > TEST10 bad leap or stratum below floor or at or above ceiling
4999 	 * A stratum error occurs if (1) the server has never been
5000 	 * synchronized, (2) the server stratum is below the floor or
5004 	    || peer->stratum < sys_floor
5005 	    || peer->stratum >= sys_ceiling) {
5006 		rval |= TEST10;		/* bad synch or stratum */
5026 	if (peer->stratum > 1 && local_refid(peer)) {
5313 	case PROTO_CEILING:	/* stratum ceiling (ceiling) */
5321 	case PROTO_FLOOR:	/* stratum floor (floor) */
5348 	case PROTO_ORPHAN:	/* orphan stratum (orphan) */