| wdenk | b4ad962 | 2005-04-01 00:25:43 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Masami Komiya <mkomiya@sonare.it> 2005 |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License as |
| 6 | * published by the Free Software Foundation; either version 2, or (at |
| 7 | * your option) any later version. |
| 8 | */ |
| 9 | |
| 10 | #ifndef __SNTP_H__ |
| 11 | #define __SNTP_H__ |
| 12 | |
| 13 | #define NTP_SERVICE_PORT 123 |
| 14 | #define SNTP_PACKET_LEN 48 |
| 15 | |
| 16 | |
| 17 | /* Leap Indicator */ |
| 18 | #define NTP_LI_NOLEAP 0x0 |
| 19 | #define NTP_LI_61SECS 0x1 |
| 20 | #define NTP_LI_59SECS 0x2 |
| 21 | #define NTP_LI_ALARM 0x3 |
| 22 | |
| 23 | /* Version */ |
| 24 | |
| 25 | #define NTP_VERSION 4 |
| 26 | |
| 27 | /* Mode */ |
| 28 | #define NTP_MODE_RESERVED 0 |
| 29 | #define NTP_MODE_SYMACTIVE 1 /* Symmetric Active */ |
| 30 | #define NTP_MODE_SYMPASSIVE 2 /* Symmetric Passive */ |
| 31 | #define NTP_MODE_CLIENT 3 |
| 32 | #define NTP_MODE_SERVER 4 |
| 33 | #define NTP_MODE_BROADCAST 5 |
| 34 | #define NTP_MODE_NTPCTRL 6 /* Reserved for NTP control message */ |
| 35 | #define NTP_MODE_PRIVATE 7 /* Reserved for private use */ |
| 36 | |
| 37 | struct sntp_pkt_t { |
| 38 | #if __LITTLE_ENDIAN |
| 39 | uchar mode:3; |
| 40 | uchar vn:3; |
| 41 | uchar li:2; |
| 42 | #else |
| 43 | uchar li:2; |
| 44 | uchar vn:3; |
| 45 | uchar mode:3; |
| 46 | #endif |
| 47 | uchar stratum; |
| 48 | uchar poll; |
| 49 | uchar precision; |
| 50 | uint root_delay; |
| 51 | uint root_dispersion; |
| 52 | uint reference_id; |
| 53 | unsigned long long reference_timestamp; |
| 54 | unsigned long long originate_timestamp; |
| 55 | unsigned long long receive_timestamp; |
| 56 | unsigned long long transmit_timestamp; |
| 57 | }; |
| 58 | |
| 59 | extern void SntpStart (void); /* Begin SNTP */ |
| 60 | |
| 61 | #endif /* __SNTP_H__ */ |