usr/include/protocols/timed.h

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)timed.h     1.8 (Berkeley) 6/27/88
 */

/*
 * Time Synchronization Protocol
 */

#define TSPVERSION      1
#define ANYADDR         NULL

struct tsp {
        u_char  tsp_type;
        u_char  tsp_vers;
        u_short tsp_seq;
        union {
                struct timeval tspu_time;
                char tspu_hopcnt;
        } tsp_u;
        char tsp_name[MAXHOSTNAMELEN];
};

#define tsp_time        tsp_u.tspu_time
#define tsp_hopcnt      tsp_u.tspu_hopcnt

/*
 * Command types.
 */
#define TSP_ANY                 0       /* match any types */
#define TSP_ADJTIME             1       /* send adjtime */
#define TSP_ACK                 2       /* generic acknowledgement */
#define TSP_MASTERREQ           3       /* ask for master's name */
#define TSP_MASTERACK           4       /* acknowledge master request */
#define TSP_SETTIME             5       /* send network time */
#define TSP_MASTERUP            6       /* inform slaves that master is up */
#define TSP_SLAVEUP             7       /* slave is up but not polled */
#define TSP_ELECTION            8       /* advance candidature for master */
#define TSP_ACCEPT              9       /* support candidature of master */
#define TSP_REFUSE              10      /* reject candidature of master */
#define TSP_CONFLICT            11      /* two or more masters present */
#define TSP_RESOLVE             12      /* masters' conflict resolution */
#define TSP_QUIT                13      /* reject candidature if master is up */
#define TSP_DATE                14      /* reset the time (date command) */
#define TSP_DATEREQ             15      /* remote request to reset the time */
#define TSP_DATEACK             16      /* acknowledge time setting  */
#define TSP_TRACEON             17      /* turn tracing on */
#define TSP_TRACEOFF            18      /* turn tracing off */
#define TSP_MSITE               19      /* find out master's site */
#define TSP_MSITEREQ            20      /* remote master's site request */
#define TSP_TEST                21      /* for testing election algo */
#define TSP_SETDATE             22      /* New from date command */
#define TSP_SETDATEREQ          23      /* New remote for above */
#define TSP_LOOP                24      /* loop detection packet */

#define TSPTYPENUMBER           25

#ifdef TSPTYPES
char *tsptype[TSPTYPENUMBER] =
  { "ANY", "ADJTIME", "ACK", "MASTERREQ", "MASTERACK", "SETTIME", "MASTERUP",
  "SLAVEUP", "ELECTION", "ACCEPT", "REFUSE", "CONFLICT", "RESOLVE", "QUIT",
  "DATE", "DATEREQ", "DATEACK", "TRACEON", "TRACEOFF", "MSITE", "MSITEREQ",
  "TEST", "SETDATE", "SETDATEREQ", "LOOP" };
#endif