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_ */