104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/**
|
|
* @file ddt.h
|
|
* @brief Derived data types
|
|
* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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.
|
|
*/
|
|
#ifndef HAVE_DDT_H
|
|
#define HAVE_DDT_H
|
|
|
|
#include "pdt.h"
|
|
|
|
#define PACKED __attribute__((packed))
|
|
|
|
typedef Integer64 TimeInterval; /* nanoseconds << 16 */
|
|
|
|
/** On the wire time stamp format. */
|
|
struct Timestamp {
|
|
uint16_t seconds_msb; /* 16 bits + */
|
|
uint32_t seconds_lsb; /* 32 bits = 48 bits*/
|
|
UInteger32 nanoseconds;
|
|
} PACKED;
|
|
|
|
/** Internal binary time stamp format. */
|
|
struct timestamp {
|
|
uint64_t sec;
|
|
UInteger32 nsec;
|
|
};
|
|
|
|
struct ClockIdentity {
|
|
Octet id[8];
|
|
};
|
|
|
|
struct PortIdentity {
|
|
struct ClockIdentity clockIdentity;
|
|
UInteger16 portNumber;
|
|
} PACKED;
|
|
|
|
struct PortAddress {
|
|
Enumeration16 networkProtocol;
|
|
UInteger16 addressLength;
|
|
Octet address[0];
|
|
} PACKED;
|
|
|
|
struct PhysicalAddress {
|
|
UInteger16 length;
|
|
Octet address[0];
|
|
} PACKED;
|
|
|
|
struct ClockQuality {
|
|
UInteger8 clockClass;
|
|
Enumeration8 clockAccuracy;
|
|
UInteger16 offsetScaledLogVariance;
|
|
} PACKED;
|
|
|
|
struct TLV {
|
|
Enumeration16 type;
|
|
UInteger16 length; /* must be even */
|
|
Octet value[0];
|
|
} PACKED;
|
|
|
|
struct PTPText {
|
|
UInteger8 length;
|
|
Octet text[0];
|
|
} PACKED;
|
|
|
|
/* A static_ptp_text is like a PTPText but includes space to store the
|
|
* text inside the struct. The text array must always be
|
|
* null-terminated. Also tracks a maximum number of symbols. Note in
|
|
* UTF-8, # symbols != # bytes.
|
|
*/
|
|
#define MAX_PTP_OCTETS 255
|
|
struct static_ptp_text {
|
|
/* null-terminated array of UTF-8 symbols */
|
|
Octet text[MAX_PTP_OCTETS + 1];
|
|
/* number of used bytes in text, not including trailing null */
|
|
int length;
|
|
/* max number of UTF-8 symbols that can be in text */
|
|
int max_symbols;
|
|
};
|
|
|
|
struct FaultRecord {
|
|
UInteger16 faultRecordLength;
|
|
struct Timestamp faultTime;
|
|
Enumeration8 severityCode;
|
|
struct PTPText faultName;
|
|
struct PTPText faultValue;
|
|
struct PTPText faultDescription;
|
|
};
|
|
|
|
#endif
|