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/*
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
#define PTP_TYPE_DELAY_REQ 1
#define PTP_DOMAIN_NTP 123
#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
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