ea287debe1
add SNTP support and expand time server and time offset fields of DHCP support. See doc/README.SNTP * Patch by Steven Scholz, 13 Dec 2004: Fix bug in at91rm920 ethernet driver
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
|
|
* (C) Masami Komiya <mkomiya@sonare.it> 2005
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2, or (at
|
|
* your option) any later version.
|
|
*/
|
|
|
|
#ifndef __SNTP_H__
|
|
#define __SNTP_H__
|
|
|
|
#define NTP_SERVICE_PORT 123
|
|
#define SNTP_PACKET_LEN 48
|
|
|
|
|
|
/* Leap Indicator */
|
|
#define NTP_LI_NOLEAP 0x0
|
|
#define NTP_LI_61SECS 0x1
|
|
#define NTP_LI_59SECS 0x2
|
|
#define NTP_LI_ALARM 0x3
|
|
|
|
/* Version */
|
|
|
|
#define NTP_VERSION 4
|
|
|
|
/* Mode */
|
|
#define NTP_MODE_RESERVED 0
|
|
#define NTP_MODE_SYMACTIVE 1 /* Symmetric Active */
|
|
#define NTP_MODE_SYMPASSIVE 2 /* Symmetric Passive */
|
|
#define NTP_MODE_CLIENT 3
|
|
#define NTP_MODE_SERVER 4
|
|
#define NTP_MODE_BROADCAST 5
|
|
#define NTP_MODE_NTPCTRL 6 /* Reserved for NTP control message */
|
|
#define NTP_MODE_PRIVATE 7 /* Reserved for private use */
|
|
|
|
struct sntp_pkt_t {
|
|
#if __LITTLE_ENDIAN
|
|
uchar mode:3;
|
|
uchar vn:3;
|
|
uchar li:2;
|
|
#else
|
|
uchar li:2;
|
|
uchar vn:3;
|
|
uchar mode:3;
|
|
#endif
|
|
uchar stratum;
|
|
uchar poll;
|
|
uchar precision;
|
|
uint root_delay;
|
|
uint root_dispersion;
|
|
uint reference_id;
|
|
unsigned long long reference_timestamp;
|
|
unsigned long long originate_timestamp;
|
|
unsigned long long receive_timestamp;
|
|
unsigned long long transmit_timestamp;
|
|
};
|
|
|
|
extern void SntpStart (void); /* Begin SNTP */
|
|
|
|
#endif /* __SNTP_H__ */
|