1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1983, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#ifndef	_PROTOCOLS_TIMED_H_
33#define	_PROTOCOLS_TIMED_H_
34
35/*
36 * Time Synchronization Protocol
37 */
38
39#define	TSPVERSION	1
40#define ANYADDR 	NULL
41
42struct tsp {
43	u_int8_t	tsp_type;
44	u_int8_t	tsp_vers;
45	u_int16_t	tsp_seq;
46	union {
47		struct {
48			int32_t	tv_sec;
49			int32_t	tv_usec;
50		} tspu_time;
51		char tspu_hopcnt;
52	} tsp_u;
53	char tsp_name[MAXHOSTNAMELEN];
54};
55
56#define	tsp_time	tsp_u.tspu_time
57#define	tsp_hopcnt	tsp_u.tspu_hopcnt
58
59/*
60 * Command types.
61 */
62#define	TSP_ANY			0	/* match any types */
63#define	TSP_ADJTIME		1	/* send adjtime */
64#define	TSP_ACK			2	/* generic acknowledgement */
65#define	TSP_MASTERREQ		3	/* ask for master's name */
66#define	TSP_MASTERACK		4	/* acknowledge master request */
67#define	TSP_SETTIME		5	/* send network time */
68#define	TSP_MASTERUP		6	/* inform slaves that master is up */
69#define	TSP_SLAVEUP		7	/* slave is up but not polled */
70#define	TSP_ELECTION		8	/* advance candidature for master */
71#define	TSP_ACCEPT		9	/* support candidature of master */
72#define	TSP_REFUSE		10	/* reject candidature of master */
73#define	TSP_CONFLICT		11	/* two or more masters present */
74#define	TSP_RESOLVE		12	/* masters' conflict resolution */
75#define	TSP_QUIT		13	/* reject candidature if master is up */
76#define	TSP_DATE		14	/* reset the time (date command) */
77#define	TSP_DATEREQ		15	/* remote request to reset the time */
78#define	TSP_DATEACK		16	/* acknowledge time setting  */
79#define	TSP_TRACEON		17	/* turn tracing on */
80#define	TSP_TRACEOFF		18	/* turn tracing off */
81#define	TSP_MSITE		19	/* find out master's site */
82#define	TSP_MSITEREQ		20	/* remote master's site request */
83#define	TSP_TEST		21	/* for testing election algo */
84#define	TSP_SETDATE		22	/* New from date command */
85#define	TSP_SETDATEREQ		23	/* New remote for above */
86#define	TSP_LOOP		24	/* loop detection packet */
87
88#define	TSPTYPENUMBER		25
89
90#ifdef TSPTYPES
91static char const * const tsptype[] =
92  { "ANY", "ADJTIME", "ACK", "MASTERREQ", "MASTERACK", "SETTIME", "MASTERUP",
93  "SLAVEUP", "ELECTION", "ACCEPT", "REFUSE", "CONFLICT", "RESOLVE", "QUIT",
94  "DATE", "DATEREQ", "DATEACK", "TRACEON", "TRACEOFF", "MSITE", "MSITEREQ",
95  "TEST", "SETDATE", "SETDATEREQ", "LOOP" };
96_Static_assert(sizeof(tsptype) / sizeof(const char *) == TSPTYPENUMBER,
97    "Size of tsptype does not match TSPTYPENUMBER");
98#endif
99
100#endif /* !_TIMED_H_ */
101