70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
|
|
chronyd/chronyc - Programs for keeping computer clocks accurate.
|
|
|
|
**********************************************************************
|
|
* Copyright (C) Miroslav Lichvar 2021
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
**********************************************************************
|
|
|
|
=======================================================================
|
|
|
|
This is the header file for the Precision Time Protocol (PTP).
|
|
|
|
*/
|
|
#ifndef GOT_PTP_H
|
|
#define GOT_PTP_H
|
|
|
|
#include "sysincl.h"
|
|
|
|
#include "ntp.h"
|
|
|
|
#define PTP_VERSION_2 2
|
|
#define PTP_VERSION_2_1 (2 | 1 << 4)
|
|
#define PTP_TYPE_SYNC 0
|
|
#define PTP_TYPE_DELAY_REQ 1
|
|
#define PTP_FLAG_UNICAST (1 << (2 + 8))
|
|
#define PTP_TLV_NTP 0x2023
|
|
|
|
typedef struct {
|
|
uint8_t type;
|
|
uint8_t version;
|
|
uint16_t length;
|
|
uint8_t domain;
|
|
uint8_t min_sdoid;
|
|
uint16_t flags;
|
|
uint8_t correction[8];
|
|
uint8_t msg_specific[4];
|
|
uint8_t port_id[10];
|
|
uint16_t sequence_id;
|
|
uint8_t control;
|
|
int8_t interval;
|
|
} PTP_Header;
|
|
|
|
typedef struct {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
} PTP_TlvHeader;
|
|
|
|
typedef struct {
|
|
PTP_Header header;
|
|
uint8_t origin_ts[10];
|
|
PTP_TlvHeader tlv_header;
|
|
NTP_Packet ntp_msg;
|
|
} PTP_NtpMessage;
|
|
|
|
#define PTP_NTP_PREFIX_LENGTH (int)offsetof(PTP_NtpMessage, ntp_msg)
|
|
|
|
#endif
|