239 lines
7.0 KiB
C
239 lines
7.0 KiB
C
/* $NetBSD: ntp_refclock.h,v 1.3 1998/03/06 18:17:17 christos Exp $ */
|
|
|
|
/*
|
|
* ntp_refclock.h - definitions for reference clock support
|
|
*/
|
|
|
|
#include "ntp_types.h"
|
|
|
|
#if defined(HAVE_BSD_TTYS)
|
|
#include <sgtty.h>
|
|
#endif /* HAVE_BSD_TTYS */
|
|
|
|
#if defined(HAVE_SYSV_TTYS)
|
|
#include <termio.h>
|
|
#endif /* HAVE_SYSV_TTYS */
|
|
|
|
#if defined(HAVE_TERMIOS)
|
|
#include <termios.h>
|
|
#endif
|
|
|
|
#if defined(HAVE_SYS_MODEM_H)
|
|
#include <sys/modem.h>
|
|
#endif
|
|
|
|
#if defined(STREAM)
|
|
#include <stropts.h>
|
|
#if defined(CLK)
|
|
#include <sys/clkdefs.h>
|
|
#endif /* CLK */
|
|
#endif /* STREAM */
|
|
|
|
#if !defined(SYSV_TTYS) && !defined(STREAM) & !defined(BSD_TTYS)
|
|
#define BSD_TTYS
|
|
#endif /* SYSV_TTYS STREAM BSD_TTYS */
|
|
|
|
/*
|
|
* Macros to determine the clock type and unit numbers from a
|
|
* 127.127.t.u address
|
|
*/
|
|
#define REFCLOCKTYPE(srcadr) ((SRCADR(srcadr) >> 8) & 0xff)
|
|
#define REFCLOCKUNIT(srcadr) (SRCADR(srcadr) & 0xff)
|
|
|
|
/*
|
|
* List of reference clock names and descriptions. These must agree with
|
|
* lib/clocktypes.c and xntpd/refclock_conf.c.
|
|
*/
|
|
struct clktype {
|
|
int code; /* driver "major" number */
|
|
const char *clocktype; /* long description */
|
|
const char *abbrev; /* short description */
|
|
};
|
|
|
|
/*
|
|
* Configuration flag values
|
|
*/
|
|
#define CLK_HAVETIME1 0x1
|
|
#define CLK_HAVETIME2 0x2
|
|
#define CLK_HAVEVAL1 0x4
|
|
#define CLK_HAVEVAL2 0x8
|
|
|
|
#define CLK_FLAG1 0x1
|
|
#define CLK_FLAG2 0x2
|
|
#define CLK_FLAG3 0x4
|
|
#define CLK_FLAG4 0x8
|
|
|
|
#define CLK_HAVEFLAG1 0x10
|
|
#define CLK_HAVEFLAG2 0x20
|
|
#define CLK_HAVEFLAG3 0x40
|
|
#define CLK_HAVEFLAG4 0x80
|
|
|
|
/*
|
|
* Constant for disabling event reporting in
|
|
* refclock_receive. ORed in leap
|
|
* parameter
|
|
*/
|
|
#define REFCLOCK_OWN_STATES 0x80
|
|
|
|
/*
|
|
* Structure for returning clock status
|
|
*/
|
|
struct refclockstat {
|
|
u_char type; /* clock type */
|
|
u_char flags; /* clock flags */
|
|
u_char haveflags; /* bit array of valid flags */
|
|
u_short lencode; /* length of last timecode (may be longer than a char!) */
|
|
char *p_lastcode; /* last timecode received */
|
|
u_int32 polls; /* transmit polls */
|
|
u_int32 noresponse; /* no response to poll */
|
|
u_int32 badformat; /* bad format timecode received */
|
|
u_int32 baddata; /* invalid data timecode received */
|
|
u_int32 timereset; /* driver resets */
|
|
char *clockdesc; /* ASCII description */
|
|
l_fp fudgetime1; /* configure fudge time1 */
|
|
l_fp fudgetime2; /* configure fudge time2 */
|
|
int32 fudgeval1; /* configure fudge value1 */
|
|
int32 fudgeval2; /* configure fudge value2 */
|
|
u_char currentstatus; /* clock status */
|
|
u_char lastevent; /* last exception event */
|
|
u_char unused; /* spare */
|
|
struct ctl_var *kv_list; /* additional variables */
|
|
};
|
|
|
|
/*
|
|
* Reference clock I/O structure. Used to provide an interface between
|
|
* the reference clock drivers and the I/O module.
|
|
*/
|
|
struct refclockio {
|
|
struct refclockio *next; /* link to next structure */
|
|
void (*clock_recv)P((struct recvbuf *)); /* completion routine */
|
|
caddr_t srcclock; /* pointer to clock structure */
|
|
int datalen; /* lenth of data */
|
|
int fd; /* file descriptor */
|
|
u_long recvcount; /* count of receive completions */
|
|
};
|
|
|
|
/*
|
|
* Structure for returning debugging info
|
|
*/
|
|
#define NCLKBUGVALUES 16
|
|
#define NCLKBUGTIMES 32
|
|
|
|
struct refclockbug {
|
|
u_char nvalues; /* values following */
|
|
u_char ntimes; /* times following */
|
|
u_short svalues; /* values format sign array */
|
|
u_int32 stimes; /* times format sign array */
|
|
u_int32 values[NCLKBUGVALUES]; /* real values */
|
|
l_fp times[NCLKBUGTIMES]; /* real times */
|
|
};
|
|
|
|
/*
|
|
* Structure interface between the reference clock support
|
|
* ntp_refclock.c and the driver utility routines
|
|
*/
|
|
#define MAXSTAGE 64 /* max stages in shift register */
|
|
#define BMAX 128 /* max timecode length */
|
|
#define GMT 0 /* I hope nobody sees this */
|
|
#define MAXDIAL 60 /* max length of modem dial strings */
|
|
|
|
/*
|
|
* Line discipline flags. These require line discipline or streams
|
|
* modules to be installed/loaded in the kernel. If specified, but not
|
|
* installed, the code runs as if unspecified.
|
|
*/
|
|
#define LDISC_STD 0x0 /* standard */
|
|
#define LDISC_CLK 0x1 /* tty_clk \n intercept */
|
|
#define LDISC_CLKPPS 0x2 /* tty_clk \377 intercept */
|
|
#define LDISC_ACTS 0x4 /* tty_clk #* intercept */
|
|
#define LDISC_CHU 0x8 /* tty_chu */
|
|
#define LDISC_PPS 0x10 /* ppsclock */
|
|
|
|
struct refclockproc {
|
|
struct refclockio io; /* I/O handler structure */
|
|
caddr_t unitptr; /* pointer to unit structure */
|
|
u_long lasttime; /* last clock update time */
|
|
u_char leap; /* leap/synchronization code */
|
|
u_char currentstatus; /* clock status */
|
|
u_char lastevent; /* last exception event */
|
|
u_char type; /* clock type */
|
|
char *clockdesc; /* clock description */
|
|
char a_lastcode[BMAX]; /* last timecode received */
|
|
u_short lencode; /* length of last timecode (allow for more than 256 chars !) */
|
|
|
|
int year; /* year of eternity */
|
|
int day; /* day of year */
|
|
int hour; /* hour of day */
|
|
int minute; /* minute of hour */
|
|
int second; /* second of minute */
|
|
int msec; /* millisecond of second */
|
|
long usec; /* microsecond of second (alt) */
|
|
u_int nstages; /* median filter stages */
|
|
u_long yearstart; /* beginning of year */
|
|
u_long coderecv; /* sample counter */
|
|
l_fp lastref; /* last reference timestamp */
|
|
l_fp lastrec; /* last local timestamp */
|
|
l_fp offset; /* median offset */
|
|
u_fp dispersion; /* sample dispersion */
|
|
l_fp filter[MAXSTAGE]; /* median filter */
|
|
|
|
/*
|
|
* Configuration data
|
|
*/
|
|
l_fp fudgetime1; /* fudge time1 */
|
|
l_fp fudgetime2; /* fudge time2 */
|
|
u_int32 refid; /* reference identifier */
|
|
u_long sloppyclockflag; /* fudge flags */
|
|
|
|
/*
|
|
* Status tallies
|
|
*/
|
|
u_long timestarted; /* time we started this */
|
|
u_long polls; /* polls sent */
|
|
u_long noreply; /* no replies to polls */
|
|
u_long badformat; /* bad format reply */
|
|
u_long baddata; /* bad data reply */
|
|
};
|
|
|
|
/*
|
|
* Structure interface between the reference clock support
|
|
* ntp_refclock.c and particular clock drivers. This must agree with the
|
|
* structure defined in the driver.
|
|
*/
|
|
#define noentry 0 /* flag for null routine */
|
|
#define NOFLAGS 0 /* flag for null flags */
|
|
|
|
struct refclock {
|
|
int (*clock_start) P((int, struct peer *));
|
|
void (*clock_shutdown) P((int, struct peer *));
|
|
void (*clock_poll) P((int, struct peer *));
|
|
void (*clock_control) P((int, struct refclockstat *,
|
|
struct refclockstat *));
|
|
void (*clock_init) P((void));
|
|
void (*clock_buginfo) P((int, struct refclockbug *));
|
|
u_long clock_flags;
|
|
};
|
|
|
|
/*
|
|
* Function prototypes
|
|
*/
|
|
extern int io_addclock_simple P((struct refclockio *));
|
|
extern int io_addclock P((struct refclockio *));
|
|
extern void io_closeclock P((struct refclockio *));
|
|
|
|
#ifdef REFCLOCK
|
|
extern void refclock_buginfo P((struct sockaddr_in *,
|
|
struct refclockbug *));
|
|
extern void refclock_control P((struct sockaddr_in *,
|
|
struct refclockstat *,
|
|
struct refclockstat *));
|
|
extern int refclock_open P((char *, int, int));
|
|
extern void refclock_transmit P((struct peer *));
|
|
extern int refclock_ioctl P((int, int));
|
|
extern int refclock_process P((struct refclockproc *, int, int));
|
|
extern int refclock_sample P((l_fp *, struct refclockproc *, int, int));
|
|
extern void refclock_report P((struct peer *, u_int));
|
|
extern int refclock_gtlin P((struct recvbuf *, char *, int,
|
|
l_fp *));
|
|
#endif /* REFCLOCK */
|