LXR uboot/net/sntp.h

   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
  37struct 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
  59extern void     SntpStart (void);       /* Begin SNTP */
  60
  61#endif /* __SNTP_H__ */
  62