LXR uboot/net/sntp.h

   1/*
   2 * (C) Masami Komiya <mkomiya@sonare.it> 2005
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#ifndef __SNTP_H__
   8#define __SNTP_H__
   9
  10#define NTP_SERVICE_PORT        123
  11#define SNTP_PACKET_LEN         48
  12
  13
  14/* Leap Indicator */
  15#define NTP_LI_NOLEAP           0x0
  16#define NTP_LI_61SECS           0x1
  17#define NTP_LI_59SECS           0x2
  18#define NTP_LI_ALARM            0x3
  19
  20/* Version */
  21
  22#define NTP_VERSION             4
  23
  24/* Mode */
  25#define NTP_MODE_RESERVED       0
  26#define NTP_MODE_SYMACTIVE      1       /* Symmetric Active */
  27#define NTP_MODE_SYMPASSIVE     2       /* Symmetric Passive */
  28#define NTP_MODE_CLIENT         3
  29#define NTP_MODE_SERVER         4
  30#define NTP_MODE_BROADCAST      5
  31#define NTP_MODE_NTPCTRL        6       /* Reserved for NTP control message */
  32#define NTP_MODE_PRIVATE        7       /* Reserved for private use */
  33
  34struct sntp_pkt_t {
  35#if __LITTLE_ENDIAN
  36        uchar mode:3;
  37        uchar vn:3;
  38        uchar li:2;
  39#else
  40        uchar li:2;
  41        uchar vn:3;
  42        uchar mode:3;
  43#endif
  44        uchar stratum;
  45        uchar poll;
  46        uchar precision;
  47        uint root_delay;
  48        uint root_dispersion;
  49        uint reference_id;
  50        unsigned long long reference_timestamp;
  51        unsigned long long originate_timestamp;
  52        unsigned long long receive_timestamp;
  53        unsigned long long transmit_timestamp;
  54};
  55
  56void sntp_start(void);  /* Begin SNTP */
  57
  58#endif /* __SNTP_H__ */
  59