LXR uboot/net/sntp.h

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