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https://gitlab.com/chrony/chrony.git
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007a1ae4fe
Update the support for NTP over PTP to the latest specification (currently in the RFC editor queue). Switch the NTP TLV to the organization-specific TLV using the IANA OUI and assigned TLV subtype 0x1. The Network Correction extension field has been assigned type 0x10A. The extfield option accepts F324 as an alias for 10A to not break existing configurations. Drop the experimental status.
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/*
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chronyd/chronyc - Programs for keeping computer clocks accurate.
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**********************************************************************
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* Copyright (C) Miroslav Lichvar 2021
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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**********************************************************************
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=======================================================================
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This is the header file for the Precision Time Protocol (PTP).
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*/
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#ifndef GOT_PTP_H
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#define GOT_PTP_H
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#include "sysincl.h"
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#include "ntp.h"
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#define PTP_VERSION_2 2
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#define PTP_VERSION_2_1 (2 | 1 << 4)
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#define PTP_TYPE_SYNC 0
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#define PTP_TYPE_DELAY_REQ 1
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#define PTP_FLAG_UNICAST (1 << (2 + 8))
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#define PTP_TLV_ORGEXT2 0x0003
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#define PTP_TLV_ORGEXT21 0x8000
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#define PTP_IANA_TLV_NTP_MSG "\x00\x00\x5E\x00\x00\x01"
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typedef struct {
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uint8_t type;
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uint8_t version;
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uint16_t length;
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uint8_t domain;
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uint8_t min_sdoid;
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uint16_t flags;
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uint8_t correction[8];
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uint8_t msg_specific[4];
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uint8_t port_id[10];
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uint16_t sequence_id;
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uint8_t control;
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int8_t interval;
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} PTP_Header;
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typedef struct {
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uint16_t type;
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uint16_t length;
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uint8_t org_id_subtype[6];
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uint16_t pad;
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} PTP_TlvNtpHeader;
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typedef struct {
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PTP_Header header;
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uint8_t origin_ts[10];
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PTP_TlvNtpHeader tlv_header;
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NTP_Packet ntp_msg;
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} PTP_NtpMessage;
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#define PTP_NTP_PREFIX_LENGTH (int)offsetof(PTP_NtpMessage, ntp_msg)
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#endif
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