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wireshark/epan/dissectors/packet-locamation-im.c

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/* packet-locamation-im.c
* Routines for Locamation Interface Modules packet disassembly.
*
* Copyright (c) 2022 Locamation BV.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/*
* Locamation Interface Modules
*
* The modules send SNAP packets.
*
* Several types of IMs are supported:
* - Current Interface Module (CIM), version 1
* - Current Interface Module (CIM), version 2, revision 0
* - Voltage Interface Module (VIM), version 1
* - Voltage Interface Module (VIM), version 2, revision 0
*/
/* clang-format off */
#include "config.h"
#include <epan/packet.h>
/* clang-format on */
#include <epan/dissectors/packet-llc.h>
#include <epan/expert.h>
#include <string.h>
#ifndef ETH_FRAME_LEN
#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
#endif
/*
* ########################################################################
* #
* # Forward Declarations
* #
* ########################################################################
*/
void proto_register_locamation_im(void);
void proto_reg_handoff_locamation_im(void);
/*
* ########################################################################
* #
* # Defines
* #
* ########################################################################
*/
#define COMPANY_NAME "Locamation"
#define COMPANY_OUI 0x0040d6
#define COMPANY_IM_TEXT "Interface Module"
#define COMPANY_PID_CALIBRATION 0x0000
#define COMPANY_PID_IDENT 0xffff
#define COMPANY_PID_SAMPLES_IM1 0x0002
#define COMPANY_PID_SAMPLES_IM2R0 0x000e
#define PROTOCOL_NAME_IM_CALIBRATION "CALIBRATION"
#define PROTOCOL_NAME_IM_IDENT "IDENT"
#define PROTOCOL_NAME_IM_SAMPLES_IM1 "SAMPLES - IM1"
#define PROTOCOL_NAME_IM_SAMPLES_IM2R0 "SAMPLES - IM2R0"
#define PROTOCOL_NAME_CALIBRATION (COMPANY_NAME " " COMPANY_IM_TEXT " " PROTOCOL_NAME_IM_CALIBRATION)
#define PROTOCOL_NAME_IDENT (COMPANY_NAME " " COMPANY_IM_TEXT " " PROTOCOL_NAME_IM_IDENT)
#define PROTOCOL_NAME_SAMPLES_IM1 (COMPANY_NAME " " COMPANY_IM_TEXT " " PROTOCOL_NAME_IM_SAMPLES_IM1)
#define PROTOCOL_NAME_SAMPLES_IM2R0 (COMPANY_NAME " " COMPANY_IM_TEXT " " PROTOCOL_NAME_IM_SAMPLES_IM2R0)
#define PROTOCOL_SHORTNAME_CALIBRATION PROTOCOL_NAME_IM_CALIBRATION
#define PROTOCOL_SHORTNAME_IDENT PROTOCOL_NAME_IM_IDENT
#define PROTOCOL_SHORTNAME_SAMPLES_IM1 PROTOCOL_NAME_IM_SAMPLES_IM1
#define PROTOCOL_SHORTNAME_SAMPLES_IM2R0 PROTOCOL_NAME_IM_SAMPLES_IM2R0
#define MASK_SAMPLES_CONTROL_TYPE 0x80
#define MASK_SAMPLES_CONTROL_SIMULATED 0x40
#define MASK_SAMPLES_CONTROL_VERSION 0x30
#define MASK_SAMPLES_CONTROL_SEQUENCE_NUMBER 0x0f
#define MASK_RANGES_SAMPLE_8 0xc000
#define MASK_RANGES_SAMPLE_7 0x3000
#define MASK_RANGES_SAMPLE_6 0x0c00
#define MASK_RANGES_SAMPLE_5 0x0300
#define MASK_RANGES_SAMPLE_4 0x00c0
#define MASK_RANGES_SAMPLE_3 0x0030
#define MASK_RANGES_SAMPLE_2 0x000c
#define MASK_RANGES_SAMPLE_1 0x0003
#define MASK_TIMESTAMP_ADDITIONAL_STATUS_HOLDOVER_STATE 0x01
#define MASK_TIMESTAMP_ADDITIONAL_STATUS_MASTER_CLOCK_SWITCH 0x02
/*
* ########################################################################
* #
* # PID Table
* #
* ########################################################################
*/
static const value_string company_pid_vals[] = {
{COMPANY_PID_CALIBRATION, PROTOCOL_NAME_IM_CALIBRATION},
{COMPANY_PID_IDENT, PROTOCOL_NAME_IM_IDENT},
{COMPANY_PID_SAMPLES_IM1, PROTOCOL_NAME_IM_SAMPLES_IM1},
{COMPANY_PID_SAMPLES_IM2R0, PROTOCOL_NAME_IM_SAMPLES_IM2R0},
{0, NULL}};
/*
* ########################################################################
* #
* # Types
* #
* ########################################################################
*/
/*
* struct _sample_set_t {
* guint16 ranges;
* gint32 sample_1;
* gint32 sample_2;
* gint32 sample_3;
* gint32 sample_4;
* gint32 sample_5;
* gint32 sample_6;
* gint32 sample_7;
* gint32 sample_8;
* };
*/
#define SAMPLE_SET_SIZE 34
/*
* struct _timestamp_t {
* guint8 sync_status;
* guint8 additional_status;
* guint32 sec;
* guint32 nsec;
* };
*/
#define TIMESTAMP_SIZE 10
/*
* struct _timestamps_t {
* guint8 version;
* guint24 reserved;
* struct _timestamp_t timestamps[8];
* };
*/
#define TIMESTAMPS_SIZE 84
/*
* ########################################################################
* #
* # Helpers
* #
* ########################################################################
*/
static void add_split_lines(packet_info *pinfo, tvbuff_t *tvb, int tvb_offset, proto_tree *tree, int hf) {
int offset = tvb_offset;
int next_offset;
while (tvb_offset_exists(tvb, offset)) {
int len = tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE);
if (len == -1) {
break;
}
char *line = tvb_get_string_enc(pinfo->pool, tvb, offset, len, ENC_UTF_8);
proto_tree_add_string_format_value(tree, hf, tvb, offset, (next_offset - offset), line, "%s", line);
offset = next_offset;
}
}
/*
* ########################################################################
* #
* # CALIBRATION
* #
* ########################################################################
*
* Calibration Packets
*
* Calibration Packets are sent by IM1 sensors.
*
* The calibration packets are sent in a burst, with a header packet
* followed by a number of chunk packets. Both packet types start with a
* Sequence Number.
*
* The calibration file can be reconstructed by appending all chunk packets
* in the Sequence Number order.
*
* Sequence Number: 2 bytes, unsigned
* == 0: Header Packet
* != 0: Chunk Packet
*
* Header Packet
* =============
* Sequence Number : 2 bytes, unsigned (fixed value 0)
* First Sequence Number: 2 bytes, unsigned (fixed value 1)
* Last Sequence Number : 2 bytes, unsigned (N)
* Name : string
*
* Chunk Packet
* ============
* Sequence Number : 2 bytes, unsigned (1 <= Sequence Number <= N)
* Calibration Chunk: string
*/
static int hf_calibration_sequence_number = -1;
static int hf_calibration_first_sequence_number = -1;
static int hf_calibration_last_sequence_number = -1;
static int hf_calibration_name = -1;
static int hf_calibration_name_line = -1;
static int hf_calibration_chunk = -1;
static int hf_calibration_chunk_line = -1;
static hf_register_info protocol_registration_calibration[] = {
{&hf_calibration_sequence_number, {"Sequence Number", "locamation-im.calibration.sequence_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_calibration_first_sequence_number, {"First Sequence Number", "locamation-im.calibration.first_sequence_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_calibration_last_sequence_number, {"Last Sequence Number", "locamation-im.calibration.last_sequence_number", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_calibration_name, {"Name", "locamation-im.calibration.name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_calibration_name_line, {"Name Line", "locamation-im.calibration.name.line", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_calibration_chunk, {"Chunk", "locamation-im.calibration.chunk", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_calibration_chunk_line, {"Chunk Line", "locamation-im.calibration.chunk.line", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}}};
static expert_field ei_calibration_header = EI_INIT;
static ei_register_info ei_calibration[] = {
{&ei_calibration_header, {"locamation-im.calibration.header", PI_SEQUENCE, PI_NOTE, "Header Packet", EXPFILL}}};
static int h_protocol_calibration = -1;
static gint hst_protocol_calibration = -1;
static gint hst_calibration_lines = -1;
static int dissect_calibration(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, PROTOCOL_SHORTNAME_CALIBRATION);
col_set_str(pinfo->cinfo, COL_INFO, PROTOCOL_NAME_CALIBRATION);
proto_item *calibration_item = proto_tree_add_item(tree, h_protocol_calibration, tvb, 0, -1, ENC_NA);
proto_tree *calibration_item_subtree = proto_item_add_subtree(calibration_item, hst_protocol_calibration);
gint tvb_offset = 0;
/* Sequence Number */
gint item_size = 2;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
guint16 sequence_number = tvb_get_guint16(tvb, 0, ENC_BIG_ENDIAN);
if (sequence_number == 0) {
expert_add_info(pinfo, calibration_item, &ei_calibration_header);
}
proto_tree_add_item(calibration_item_subtree, hf_calibration_sequence_number, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
if (sequence_number == 0) {
/* Header Packet */
/* First Sequence Number */
item_size = 2;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(calibration_item_subtree, hf_calibration_first_sequence_number, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* Last Sequence Number */
item_size = 2;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(calibration_item_subtree, hf_calibration_last_sequence_number, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* Name */
int name_length = tvb_reported_length_remaining(tvb, tvb_offset);
proto_item *name_item = proto_tree_add_item(calibration_item_subtree, hf_calibration_name, tvb, tvb_offset, name_length, ENC_UTF_8);
/* Name - Lines */
proto_tree *name_item_subtree = proto_item_add_subtree(name_item, hst_calibration_lines);
add_split_lines(pinfo, tvb, tvb_offset, name_item_subtree, hf_calibration_name_line);
} else {
/* Chunk Packet */
/* Chunk */
int chunk_length = tvb_reported_length_remaining(tvb, tvb_offset);
proto_item *chunk_item = proto_tree_add_item(calibration_item_subtree, hf_calibration_chunk, tvb, tvb_offset, chunk_length, ENC_UTF_8);
/* Chunk - Lines */
proto_tree *chunk_item_subtree = proto_item_add_subtree(chunk_item, hst_calibration_lines);
add_split_lines(pinfo, tvb, tvb_offset, chunk_item_subtree, hf_calibration_chunk_line);
}
return tvb_captured_length(tvb);
}
/*
* ########################################################################
* #
* # IDENT
* #
* ########################################################################
*
* Ident Packets
*
* Ident Packets are sent by IM1 and IM2R0 sensors.
*
* Ident Packet
* ============
* Content: string
*/
static int hf_ident_contents = -1;
static int hf_ident_contents_line = -1;
static hf_register_info protocol_registration_ident[] = {
{&hf_ident_contents, {"Contents", "locamation-im.ident.contents", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ident_contents_line, {"Contents Line", "locamation-im.ident.contents.line", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}}};
static int h_protocol_ident = -1;
static gint hst_protocol_ident = -1;
static gint hst_ident_lines = -1;
static int dissect_ident(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, PROTOCOL_SHORTNAME_IDENT);
col_set_str(pinfo->cinfo, COL_INFO, PROTOCOL_NAME_IDENT);
proto_item *ident_item = proto_tree_add_item(tree, h_protocol_ident, tvb, 0, -1, ENC_NA);
proto_tree *ident_item_subtree = proto_item_add_subtree(ident_item, hst_protocol_ident);
/* Contents */
int contents_length = tvb_reported_length_remaining(tvb, 0);
proto_item *contents_item = proto_tree_add_item(ident_item_subtree, hf_ident_contents, tvb, 0, contents_length, ENC_UTF_8);
/* Contents - Lines */
proto_tree *contents_item_subtree = proto_item_add_subtree(contents_item, hst_ident_lines);
add_split_lines(pinfo, tvb, 0, contents_item_subtree, hf_ident_contents_line);
return tvb_captured_length(tvb);
}
/*
* ########################################################################
* #
* # SAMPLES - Common
* #
* ########################################################################
*/
static expert_field ei_samples_ranges_sample_1_invalid = EI_INIT;
static expert_field ei_samples_ranges_sample_2_invalid = EI_INIT;
static expert_field ei_samples_ranges_sample_3_invalid = EI_INIT;
static expert_field ei_samples_ranges_sample_4_invalid = EI_INIT;
static expert_field ei_samples_ranges_sample_5_invalid = EI_INIT;
static expert_field ei_samples_ranges_sample_6_invalid = EI_INIT;
static expert_field ei_samples_ranges_sample_7_invalid = EI_INIT;
static expert_field ei_samples_ranges_sample_8_invalid = EI_INIT;
static void check_ranges(tvbuff_t *tvb, packet_info *pinfo, gint tvb_offset, proto_item *item) {
guint16 ranges = tvb_get_guint16(tvb, tvb_offset, ENC_BIG_ENDIAN);
if ((ranges & MASK_RANGES_SAMPLE_8) == MASK_RANGES_SAMPLE_8) {
expert_add_info(pinfo, item, &ei_samples_ranges_sample_8_invalid);
}
if ((ranges & MASK_RANGES_SAMPLE_7) == MASK_RANGES_SAMPLE_7) {
expert_add_info(pinfo, item, &ei_samples_ranges_sample_7_invalid);
}
if ((ranges & MASK_RANGES_SAMPLE_6) == MASK_RANGES_SAMPLE_6) {
expert_add_info(pinfo, item, &ei_samples_ranges_sample_6_invalid);
}
if ((ranges & MASK_RANGES_SAMPLE_5) == MASK_RANGES_SAMPLE_5) {
expert_add_info(pinfo, item, &ei_samples_ranges_sample_5_invalid);
}
if ((ranges & MASK_RANGES_SAMPLE_4) == MASK_RANGES_SAMPLE_4) {
expert_add_info(pinfo, item, &ei_samples_ranges_sample_4_invalid);
}
if ((ranges & MASK_RANGES_SAMPLE_3) == MASK_RANGES_SAMPLE_3) {
expert_add_info(pinfo, item, &ei_samples_ranges_sample_3_invalid);
}
if ((ranges & MASK_RANGES_SAMPLE_2) == MASK_RANGES_SAMPLE_2) {
expert_add_info(pinfo, item, &ei_samples_ranges_sample_2_invalid);
}
if ((ranges & MASK_RANGES_SAMPLE_1) == MASK_RANGES_SAMPLE_1) {
expert_add_info(pinfo, item, &ei_samples_ranges_sample_1_invalid);
}
}
static gint hst_samples_sample_set_ranges = -1;
static int hf_samples_sample_set_ranges = -1;
static int hf_samples_sample_set_ranges_sample_1 = -1;
static int hf_samples_sample_set_ranges_sample_2 = -1;
static int hf_samples_sample_set_ranges_sample_3 = -1;
static int hf_samples_sample_set_ranges_sample_4 = -1;
static int hf_samples_sample_set_ranges_sample_5 = -1;
static int hf_samples_sample_set_ranges_sample_6 = -1;
static int hf_samples_sample_set_ranges_sample_7 = -1;
static int hf_samples_sample_set_ranges_sample_8 = -1;
static int *const rangesBits[] = {
&hf_samples_sample_set_ranges_sample_8,
&hf_samples_sample_set_ranges_sample_7,
&hf_samples_sample_set_ranges_sample_6,
&hf_samples_sample_set_ranges_sample_5,
&hf_samples_sample_set_ranges_sample_4,
&hf_samples_sample_set_ranges_sample_3,
&hf_samples_sample_set_ranges_sample_2,
&hf_samples_sample_set_ranges_sample_1,
NULL};
static int hf_samples_sample_set_sample_1 = -1;
static int hf_samples_sample_set_sample_2 = -1;
static int hf_samples_sample_set_sample_3 = -1;
static int hf_samples_sample_set_sample_4 = -1;
static int hf_samples_sample_set_sample_5 = -1;
static int hf_samples_sample_set_sample_6 = -1;
static int hf_samples_sample_set_sample_7 = -1;
static int hf_samples_sample_set_sample_8 = -1;
static void add_sample_set(tvbuff_t *tvb, packet_info *pinfo, gint *tvb_offset, int hf, proto_tree *tree) {
gint item_size = SAMPLE_SET_SIZE;
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_item *sample_set_item = proto_tree_add_item(tree, hf, tvb, *tvb_offset, item_size, ENC_BIG_ENDIAN);
proto_tree *sample_set_item_subtree = proto_item_add_subtree(sample_set_item, hst_samples_sample_set_ranges);
/* Ranges */
item_size = 2;
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_item *ranges_item = proto_tree_add_bitmask(sample_set_item_subtree, tvb, *tvb_offset, hf_samples_sample_set_ranges, hst_samples_sample_set_ranges, rangesBits, ENC_BIG_ENDIAN);
check_ranges(tvb, pinfo, *tvb_offset, ranges_item);
*tvb_offset += item_size;
/* Samples */
int const hfs[] = {
hf_samples_sample_set_sample_1,
hf_samples_sample_set_sample_2,
hf_samples_sample_set_sample_3,
hf_samples_sample_set_sample_4,
hf_samples_sample_set_sample_5,
hf_samples_sample_set_sample_6,
hf_samples_sample_set_sample_7,
hf_samples_sample_set_sample_8};
item_size = 4;
for (guint index_sample = 0; index_sample < array_length(hfs); index_sample++) {
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_tree_add_item(sample_set_item_subtree, hfs[index_sample], tvb, *tvb_offset, item_size, ENC_BIG_ENDIAN);
*tvb_offset += item_size;
}
}
static void add_sample_sets(tvbuff_t *tvb, packet_info *pinfo, gint *tvb_offset, int *hfs, guint hfs_size, proto_tree *tree) {
for (guint index_sample_set = 0; index_sample_set < hfs_size; index_sample_set++) {
add_sample_set(tvb, pinfo, tvb_offset, hfs[index_sample_set], tree);
}
}
static void add_rms_values(tvbuff_t *tvb, gint *tvb_offset, int *hfs, guint hfs_size, proto_tree *tree) {
gint item_size = 4;
for (guint index_rms_value = 0; index_rms_value < hfs_size; index_rms_value++) {
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_tree_add_item(tree, hfs[index_rms_value], tvb, *tvb_offset, item_size, ENC_BIG_ENDIAN);
*tvb_offset += item_size;
}
}
static gint hst_samples_timestamps_sample = -1;
static gint hst_samples_timestamps_sample_reserved = -1;
static gint hst_samples_timestamps_sample_timestamp = -1;
static int hf_samples_timestamps_sample_sync_status = -1;
static int hf_samples_timestamps_sample_additional_status = -1;
static int hf_samples_timestamps_sample_additional_status_holdover_state = -1;
static int hf_samples_timestamps_sample_additional_status_master_clock_switch = -1;
static int hf_samples_timestamps_sample_timestamp = -1;
static int hf_samples_timestamps_sample_timestamp_seconds = -1;
static int hf_samples_timestamps_sample_timestamp_nanoseconds = -1;
static const value_string samples_timestamps_sample_sync_status[] = {
{0, "None"},
{1, "Local"},
{2, "Global"},
{0, NULL}};
static int *const timestamp_additional_status_bits[] = {
&hf_samples_timestamps_sample_additional_status_holdover_state,
&hf_samples_timestamps_sample_additional_status_master_clock_switch,
NULL};
static expert_field ei_samples_timestamp_sync_status_invalid = EI_INIT;
static void add_timestamp_sample(tvbuff_t *tvb, packet_info *pinfo, gint *tvb_offset_previous, gint *tvb_offset, int hf, proto_tree *tree) {
gint item_size = TIMESTAMP_SIZE;
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
/* Get the timestamp components */
guint8 sync_status = tvb_get_guint8(tvb, *tvb_offset);
guint32 seconds = tvb_get_guint32(tvb, *tvb_offset + 2, ENC_BIG_ENDIAN);
guint32 nanoseconds = tvb_get_guint32(tvb, *tvb_offset + 6, ENC_BIG_ENDIAN);
/* Convert the timestamp seconds to a split time type */
time_t sample_time = (time_t)seconds;
struct tm *sample_time_split = gmtime(&sample_time);
/* Construct the readable sync status */
const gchar *sync_status_buf = val_to_str(sync_status, samples_timestamps_sample_sync_status, "Unknown (%u)");
/* Construct the readable timestamp */
gchar timestamp_buf[ITEM_LABEL_LENGTH];
size_t timestamp_length = 0;
if (sample_time_split != NULL) {
timestamp_length += strftime(&timestamp_buf[timestamp_length], ITEM_LABEL_LENGTH - timestamp_length, "%Y-%m-%d %H:%M:%S.", sample_time_split);
} else {
timestamp_length += snprintf(&timestamp_buf[timestamp_length], ITEM_LABEL_LENGTH - timestamp_length, "\?\?\?\?-\?\?-\?\? \?\?:\?\?:\?\?.");
}
snprintf(&timestamp_buf[timestamp_length], ITEM_LABEL_LENGTH - timestamp_length, "%09u TAI", nanoseconds);
/* Construct the readable sample text */
char title_buf[ITEM_LABEL_LENGTH];
size_t title_length = 0;
title_length += snprintf(&title_buf[title_length], ITEM_LABEL_LENGTH - title_length, "%s (Sync: %s", timestamp_buf, sync_status_buf);
if (tvb_offset_previous != NULL) {
/* Get the previous timestamp components and calculate the time difference */
guint32 seconds_previous = tvb_get_guint32(tvb, *tvb_offset_previous + 2, ENC_BIG_ENDIAN);
guint32 nanoseconds_previous = tvb_get_guint32(tvb, *tvb_offset_previous + 6, ENC_BIG_ENDIAN);
guint64 time_previous = ((guint64)seconds_previous << 32) | nanoseconds_previous;
guint64 time_now = ((guint64)seconds << 32) | nanoseconds;
guint64 time_diff = 0;
gchar time_difference_sign[2] = {'\0', '\0'};
if (time_now > time_previous) {
time_diff = time_now - time_previous;
time_difference_sign[0] = '\0';
} else if (time_now < time_previous) {
time_diff = time_previous - time_now;
time_difference_sign[0] = '-';
}
double frequency = 0.0;
if (time_diff != 0) {
frequency = 1.0 / ((double)time_diff * 1.0E-09);
}
title_length += snprintf(&title_buf[title_length], ITEM_LABEL_LENGTH - title_length, ", Time Difference: %s%" G_GINT64_MODIFIER "u nsec", time_difference_sign, time_diff);
if (frequency != 0.0) {
title_length += snprintf(&title_buf[title_length], ITEM_LABEL_LENGTH - title_length, " = %f Hz", frequency);
}
}
snprintf(&title_buf[title_length], ITEM_LABEL_LENGTH - title_length, ")");
proto_item *sample_timestamp_item = proto_tree_add_string(tree, hf, tvb, *tvb_offset, item_size, title_buf);
proto_tree *sample_timestamp_item_subtree = proto_item_add_subtree(sample_timestamp_item, hst_samples_timestamps_sample);
/* Sync Status */
item_size = 1;
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_item *sync_status_item = proto_tree_add_item(sample_timestamp_item_subtree, hf_samples_timestamps_sample_sync_status, tvb, *tvb_offset, item_size, ENC_BIG_ENDIAN);
*tvb_offset += item_size;
if (sync_status > 2) {
expert_add_info(pinfo, sync_status_item, &ei_samples_timestamp_sync_status_invalid);
}
/* Additional Status */
item_size = 1;
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_tree_add_bitmask(sample_timestamp_item_subtree, tvb, *tvb_offset, hf_samples_timestamps_sample_additional_status, hst_samples_timestamps_sample_reserved, timestamp_additional_status_bits, ENC_BIG_ENDIAN);
*tvb_offset += item_size;
/* Timestamp */
item_size = 8;
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_item *sample_timestamp_timestamp_item = proto_tree_add_string(sample_timestamp_item_subtree, hf_samples_timestamps_sample_timestamp, tvb, *tvb_offset, item_size, timestamp_buf);
proto_tree *sample_timestamp_timestamp_item_subtree = proto_item_add_subtree(sample_timestamp_timestamp_item, hst_samples_timestamps_sample_timestamp);
/* Seconds */
item_size = 4;
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_tree_add_item(sample_timestamp_timestamp_item_subtree, hf_samples_timestamps_sample_timestamp_seconds, tvb, *tvb_offset, item_size, ENC_BIG_ENDIAN);
*tvb_offset += item_size;
/* Nanoseconds */
item_size = 4;
tvb_ensure_bytes_exist(tvb, *tvb_offset, item_size);
proto_tree_add_item(sample_timestamp_timestamp_item_subtree, hf_samples_timestamps_sample_timestamp_nanoseconds, tvb, *tvb_offset, item_size, ENC_BIG_ENDIAN);
*tvb_offset += item_size;
}
static void add_timestamps_set(tvbuff_t *tvb, packet_info *pinfo, gint *tvb_offset, int *hfs, guint hfs_size, proto_tree *tree) {
gint tvb_offset_previous = 0;
for (guint index_timestamp = 0; index_timestamp < hfs_size; index_timestamp++) {
gint tvb_offset_saved = *tvb_offset;
add_timestamp_sample(tvb, pinfo, (index_timestamp == 0) ? NULL : &tvb_offset_previous, tvb_offset, hfs[index_timestamp], tree);
tvb_offset_previous = tvb_offset_saved;
}
}
/*
* Samples Packets
*
* Samples Packets are sent by IM1 and IM2R0 sensors.
* However, details of the packets differ between the sensors.
*
* Samples Packet
* ==============
* Transport Delay: 2 bytes, unsigned (resolution = 10ns)
* Hop Count: 1 byte, unsigned
* Control data: 1 byte, bitmap
* bit [7] : type : 0 = CIM, 1 = VIM
* bit [6] : simulated: 0 = Real Samples, 1 = Simulated Samples
* bits [5..4]: version : 00 = IM1, 11 = IM2R0
* bits [3..0]: seqnr : Sequence Number, in the range [0,15], monotonically
* increasing and wrapping
* Temperature: 2 bytes, signed (resolution = 0.25C)
* Padding: 1 byte
* ADC Status: 1 byte, unsigned
* Sample Data
* * Sample data is stored in sample data sets.
* Each sample data set contains ranges and the data of 8 samples, and
* samples are equi-distant in time.
*
* Sample Data Set
* ===============
* Range: 2 bytes, bitmap
* - bits [15,14]: Range of sample 8 (newest sample)
* - bits [13,12]: Range of sample 7
* - bits [11,10]: Range of sample 6
* - bits [ 9, 8]: Range of sample 5
* - bits [ 7, 6]: Range of sample 4
* - bits [ 5, 4]: Range of sample 3
* - bits [ 3, 2]: Range of sample 2
* - bits [ 1, 0]: Range of sample 1 (oldest sample)
* Range values:
* 00 = measurement ADC channel
* 01 = protection ADC channel, range low
* 10 = protection ADC channel, range high
* 11 = unused
* Sample 1: 4 bytes, signed (oldest sample)
* Sample 2: 4 bytes, signed
* Sample 3: 4 bytes, signed
* Sample 4: 4 bytes, signed
* Sample 5: 4 bytes, signed
* Sample 6: 4 bytes, signed
* Sample 7: 4 bytes, signed
* Sample 8: 4 bytes, signed (newest sample)
*
* * IM1
* 6 sample data sets, one set per ADC channel:
*
* Sample Data
* ===========
* CIM VIM
* set 1 channel 1, measurement channel 1
* set 2 channel 2, measurement channel 2
* set 3 channel 3, measurement channel 3
* set 4 channel 1, protection 0
* set 5 channel 2, protection 0
* set 6 channel 3, protection 0
*
* * IM2R0
* 8 sample data sets, one set per ADC channel:
*
* Sample Data
* ===========
* CIM VIM
* set 1 channel 1, measurement channel 1
* set 2 channel 2, measurement channel 2
* set 3 channel 3, measurement channel 3
* set 4 channel 1, protection neutral channel
* set 5 channel 2, protection 0
* set 6 channel 3, protection 0
* set 7 neutral channel, measurement 0
* set 8 neutral channel, protection 0
* RMS values
* * RMS values are stored as 4 byte signed values.
*
* * IM1
* 6 values, one per ADC-channel:
*
* RMS values
* ==========
* CIM VIM
* value 1 channel 1, measurement channel 1
* value 2 channel 2, measurement channel 2
* value 3 channel 3, measurement channel 3
* value 4 channel 1, protection 0
* value 5 channel 2, protection 0
* value 6 channel 3, protection 0
*
* * IM2R0
* 8 values, one per ADC-channel:
*
* RMS values
* ==========
* CIM VIM
* value 1 0 0
* value 2 0 0
* value 3 0 0
* value 4 0 0
* value 5 0 0
* value 6 0 0
* value 7 0 0
* value 8 0 0
* Timestamps
* * Timestamps are PTP driven and are stored in a versioned block.
* Each timestamp also has status information.
*
* * IM1
* Timestamps are not applicable for IM1.
*
* * IM2R0
* Timestamps are optional.
*
* Timestamps Block
* ================
* Version 1 byte, unsigned
* Reserved 3 bytes, unsigned
* Sample 1 Timestamp (oldest sample)
* Sample 2 Timestamp
* Sample 3 Timestamp
* Sample 4 Timestamp
* Sample 5 Timestamp
* Sample 6 Timestamp
* Sample 7 Timestamp
* Sample 8 Timestamp (newest sample)
*
* Timestamp
* =========
* Sync Status 1 byte, unsigned
* 0 = Not synchronized (during start-up or synchronization lost)
* 1 = Synchronized but not to a Grand Master Clock
* 2 = Synchronized to a Grand Master Clock
* 3-255 = Invalid
* Additional Status 1 byte, bitmap
* bits [7, 2]: Reserved
* bits [1] : Master clock switch
* 1 = The device switched to a different master clock or
* became synchronized to a master clock for the first time.
* 0 = The device did not switch to a different master clock nor
* became synchronized to a master clock for the first time.
* bits [0] : Holdover state
* 1 = The device is in its holdover state.
* 0 = The device is not in its holdover state.
* Seconds 4 bytes, unsigned
* Nanoseconds 4 bytes, unsigned
*/
static gint hst_protocol_samples = -1;
static gint hst_samples_control = -1;
static gint hst_samples_sets = -1;
static gint hst_samples_sets_set = -1;
static gint hst_samples_rms = -1;
static gint hst_samples_rms_values = -1;
static gint hst_samples_timestamps = -1;
static gint hst_samples_timestamps_set = -1;
static expert_field ei_samples_im_version_invalid = EI_INIT;
static int hf_samples_transport_delay = -1;
static int hf_samples_hop_count = -1;
static int hf_samples_control = -1;
static int hf_samples_control_type = -1;
static int hf_samples_control_simulated = -1;
static int hf_samples_control_version = -1;
static int hf_samples_control_sequence_number = -1;
static int hf_samples_temperature = -1;
static int hf_samples_padding = -1;
static int hf_samples_adc_status = -1;
static int hf_samples_sample_set = -1;
static int hf_samples_rms_values = -1;
static int hf_samples_timestamps = -1;
static int *const controlBits[] = {
&hf_samples_control_type,
&hf_samples_control_simulated,
&hf_samples_control_version,
&hf_samples_control_sequence_number,
NULL};
static int hf_samples_sample_set_measurement_channel_1 = -1;
static int hf_samples_sample_set_measurement_channel_2 = -1;
static int hf_samples_sample_set_measurement_channel_3 = -1;
static int hf_samples_sample_set_measurement_channel_n = -1;
static int hf_samples_sample_set_protection_channel_1 = -1;
static int hf_samples_sample_set_protection_channel_2 = -1;
static int hf_samples_sample_set_protection_channel_3 = -1;
static int hf_samples_sample_set_protection_channel_n = -1;
static int hf_samples_sample_set_channel_unused = -1;
static int hf_samples_rms_values_measurement_channel_1 = -1;
static int hf_samples_rms_values_measurement_channel_2 = -1;
static int hf_samples_rms_values_measurement_channel_3 = -1;
static int hf_samples_rms_values_protection_channel_1 = -1;
static int hf_samples_rms_values_protection_channel_2 = -1;
static int hf_samples_rms_values_protection_channel_3 = -1;
static int hf_samples_rms_values_channel_unused = -1;
static int hf_samples_timestamps_version = -1;
static int hf_samples_timestamps_reserved = -1;
static int hf_samples_timestamps_sample_1 = -1;
static int hf_samples_timestamps_sample_2 = -1;
static int hf_samples_timestamps_sample_3 = -1;
static int hf_samples_timestamps_sample_4 = -1;
static int hf_samples_timestamps_sample_5 = -1;
static int hf_samples_timestamps_sample_6 = -1;
static int hf_samples_timestamps_sample_7 = -1;
static int hf_samples_timestamps_sample_8 = -1;
static int dissect_samples_im(gboolean im1, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_, int h_protocol_samples) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, im1 ? PROTOCOL_SHORTNAME_SAMPLES_IM1 : PROTOCOL_SHORTNAME_SAMPLES_IM2R0);
col_set_str(pinfo->cinfo, COL_INFO, im1 ? PROTOCOL_NAME_SAMPLES_IM1 : PROTOCOL_NAME_SAMPLES_IM2R0);
proto_item *samples_item = proto_tree_add_item(tree, h_protocol_samples, tvb, 0, -1, ENC_NA);
proto_tree *samples_item_subtree = proto_item_add_subtree(samples_item, hst_protocol_samples);
gint tvb_offset = 0;
/* Transport Delay */
gint item_size = 2;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(samples_item_subtree, hf_samples_transport_delay, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* Hop Count */
item_size = 1;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(samples_item_subtree, hf_samples_hop_count, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* Get Control */
guint8 control = tvb_get_guint8(tvb, tvb_offset);
gboolean isIM1 = ((control & MASK_SAMPLES_CONTROL_VERSION) == 0);
gboolean isIM2R0 = ((control & MASK_SAMPLES_CONTROL_VERSION) == MASK_SAMPLES_CONTROL_VERSION);
gboolean isCIM = ((control & MASK_SAMPLES_CONTROL_TYPE) == 0);
/* Control */
item_size = 1;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_item *control_item = proto_tree_add_bitmask(samples_item_subtree, tvb, tvb_offset, hf_samples_control, hst_samples_control, controlBits, ENC_BIG_ENDIAN);
tvb_offset += item_size;
if (!isIM1 && !isIM2R0) {
expert_add_info(pinfo, control_item, &ei_samples_im_version_invalid);
}
/* Temperature */
item_size = 2;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(samples_item_subtree, hf_samples_temperature, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* Padding */
item_size = 1;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(samples_item_subtree, hf_samples_padding, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* ADC status */
item_size = 1;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(samples_item_subtree, hf_samples_adc_status, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* Sample Sets */
{
proto_tree *sample_sets_subtree = proto_item_add_subtree(samples_item, hst_samples_sets);
if (im1) {
item_size = SAMPLE_SET_SIZE * 6;
} else {
item_size = SAMPLE_SET_SIZE * 8;
}
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_item *sample_sets_subtree_item = proto_tree_add_item(sample_sets_subtree, hf_samples_sample_set, tvb, tvb_offset, item_size, ENC_NA);
proto_tree *sample_sets_subtree_item_subtree = proto_item_add_subtree(sample_sets_subtree_item, hst_samples_sets_set);
if (isIM1) {
if (isCIM) {
/* IM1 CIM */
int hfs[] = {
hf_samples_sample_set_measurement_channel_1,
hf_samples_sample_set_measurement_channel_2,
hf_samples_sample_set_measurement_channel_3,
hf_samples_sample_set_protection_channel_1,
hf_samples_sample_set_protection_channel_2,
hf_samples_sample_set_protection_channel_3};
add_sample_sets(tvb, pinfo, &tvb_offset, hfs, array_length(hfs), sample_sets_subtree_item_subtree);
} else {
/* IM1 VIM */
int hfs[] = {
hf_samples_sample_set_measurement_channel_1,
hf_samples_sample_set_measurement_channel_2,
hf_samples_sample_set_measurement_channel_3,
hf_samples_sample_set_channel_unused,
hf_samples_sample_set_channel_unused,
hf_samples_sample_set_channel_unused};
add_sample_sets(tvb, pinfo, &tvb_offset, hfs, array_length(hfs), sample_sets_subtree_item_subtree);
}
} else if (isIM2R0) {
if (isCIM) {
/* IM2R0 CIM */
int hfs[] = {
hf_samples_sample_set_measurement_channel_1,
hf_samples_sample_set_measurement_channel_2,
hf_samples_sample_set_measurement_channel_3,
hf_samples_sample_set_protection_channel_1,
hf_samples_sample_set_protection_channel_2,
hf_samples_sample_set_protection_channel_3,
hf_samples_sample_set_measurement_channel_n,
hf_samples_sample_set_protection_channel_n};
add_sample_sets(tvb, pinfo, &tvb_offset, hfs, array_length(hfs), sample_sets_subtree_item_subtree);
} else {
/* IM2R0 VIM */
int hfs[] = {
hf_samples_sample_set_measurement_channel_1,
hf_samples_sample_set_measurement_channel_2,
hf_samples_sample_set_measurement_channel_3,
hf_samples_sample_set_measurement_channel_n,
hf_samples_sample_set_channel_unused,
hf_samples_sample_set_channel_unused,
hf_samples_sample_set_channel_unused,
hf_samples_sample_set_channel_unused};
add_sample_sets(tvb, pinfo, &tvb_offset, hfs, array_length(hfs), sample_sets_subtree_item_subtree);
}
}
}
/* RMS Values */
{
proto_tree *rms_values_subtree = proto_item_add_subtree(samples_item, hst_samples_rms);
if (im1) {
item_size = 4 * 6;
} else {
item_size = 4 * 8;
}
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_item *rms_values_item = proto_tree_add_item(rms_values_subtree, hf_samples_rms_values, tvb, tvb_offset, item_size, ENC_NA);
proto_tree *rms_values_item_subtree = proto_item_add_subtree(rms_values_item, hst_samples_rms_values);
if (isIM1) {
if (isCIM) {
/* IM1 CIM */
int hfs[] = {
hf_samples_rms_values_measurement_channel_1,
hf_samples_rms_values_measurement_channel_2,
hf_samples_rms_values_measurement_channel_3,
hf_samples_rms_values_protection_channel_1,
hf_samples_rms_values_protection_channel_2,
hf_samples_rms_values_protection_channel_3};
add_rms_values(tvb, &tvb_offset, hfs, array_length(hfs), rms_values_item_subtree);
} else {
/* IM1 VIM */
int hfs[] = {
hf_samples_rms_values_measurement_channel_1,
hf_samples_rms_values_measurement_channel_2,
hf_samples_rms_values_measurement_channel_3,
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused};
add_rms_values(tvb, &tvb_offset, hfs, array_length(hfs), rms_values_item_subtree);
}
} else if (isIM2R0) {
int hfs[] = {
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused,
hf_samples_rms_values_channel_unused};
add_rms_values(tvb, &tvb_offset, hfs, array_length(hfs), rms_values_item_subtree);
}
}
/* Timestamps */
if (isIM2R0 && tvb_bytes_exist(tvb, tvb_offset, TIMESTAMPS_SIZE)) {
proto_tree *samples_timestamps_subtree = proto_item_add_subtree(samples_item, hst_samples_timestamps);
item_size = TIMESTAMPS_SIZE;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_item *samples_timestamps_subtree_item = proto_tree_add_item(samples_timestamps_subtree, hf_samples_timestamps, tvb, tvb_offset, item_size, ENC_NA);
proto_tree *samples_timestamps_subtree_item_subtree = proto_item_add_subtree(samples_timestamps_subtree_item, hst_samples_timestamps_set);
/* Version */
item_size = 1;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(samples_timestamps_subtree_item_subtree, hf_samples_timestamps_version, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* Reserved */
item_size = 3;
tvb_ensure_bytes_exist(tvb, tvb_offset, item_size);
proto_tree_add_item(samples_timestamps_subtree_item_subtree, hf_samples_timestamps_reserved, tvb, tvb_offset, item_size, ENC_BIG_ENDIAN);
tvb_offset += item_size;
/* Sample Timestamps */
int hfs[] = {
hf_samples_timestamps_sample_1,
hf_samples_timestamps_sample_2,
hf_samples_timestamps_sample_3,
hf_samples_timestamps_sample_4,
hf_samples_timestamps_sample_5,
hf_samples_timestamps_sample_6,
hf_samples_timestamps_sample_7,
hf_samples_timestamps_sample_8};
add_timestamps_set(tvb, pinfo, &tvb_offset, hfs, array_length(hfs), samples_timestamps_subtree_item_subtree);
}
return tvb_captured_length(tvb);
}
/*
* ########################################################################
* #
* # Samples - IM1
* #
* ########################################################################
*/
static void samples_transport_delay(gchar *result, guint16 transport_delay) {
snprintf(result, ITEM_LABEL_LENGTH, "%u ns", transport_delay * 10);
}
static const value_string samples_control_type_vals[] = {
{0, "Current Interface Module"},
{1, "Voltage Interface Module"},
{0, NULL}};
static const value_string samples_control_simulated_vals[] = {
{0, "Sampled"},
{1, "Simulated"},
{0, NULL}};
static const value_string samples_control_version_vals[] = {
{0, "IM1"},
{1, "Unused"},
{2, "Unused"},
{3, "IM2R0"},
{0, NULL}};
static void samples_sequence_number(gchar *result, guint8 sequence_number) {
snprintf(result, ITEM_LABEL_LENGTH, "%u", sequence_number);
}
static void samples_temperature(gchar *result, gint16 temperature) {
snprintf(result, ITEM_LABEL_LENGTH, "%.2f C", (0.25f * temperature));
}
static const value_string ranges_vals[] = {
{0, "Measurement ADC Channel"},
{1, "Protection ADC Channel, Range Low"},
{2, "Protection ADC Channel, Range High"},
{3, "Unused"},
{0, NULL}};
static hf_register_info protocol_registration_samples[] = {
{&hf_samples_transport_delay, {"Transport Delay", "locamation-im.samples.transport_delay", FT_UINT16, BASE_CUSTOM, CF_FUNC(samples_transport_delay), 0x0, NULL, HFILL}},
{&hf_samples_hop_count, {"Hop Count", "locamation-im.samples.hop_count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_control, {"Control", "locamation-im.samples.control", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_samples_control_type, {"Type", "locamation-im.samples.control.type", FT_UINT8, BASE_DEC, VALS(samples_control_type_vals), MASK_SAMPLES_CONTROL_TYPE, NULL, HFILL}},
{&hf_samples_control_simulated, {"Status", "locamation-im.samples.control.simulated", FT_UINT8, BASE_DEC, VALS(samples_control_simulated_vals), MASK_SAMPLES_CONTROL_SIMULATED, NULL, HFILL}},
{&hf_samples_control_version, {"Version", "locamation-im.samples.control.version", FT_UINT8, BASE_DEC, VALS(samples_control_version_vals), MASK_SAMPLES_CONTROL_VERSION, NULL, HFILL}},
{&hf_samples_control_sequence_number, {"Sequence Number", "locamation-im.samples.control.sequence_number", FT_UINT8, BASE_CUSTOM, CF_FUNC(samples_sequence_number), MASK_SAMPLES_CONTROL_SEQUENCE_NUMBER, NULL, HFILL}},
{&hf_samples_temperature, {"Temperature", "locamation-im.samples.temperature", FT_INT16, BASE_CUSTOM, CF_FUNC(samples_temperature), 0x0, NULL, HFILL}},
{&hf_samples_padding, {"Padding", "locamation-im.samples.padding", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_samples_adc_status, {"ADC Status", "locamation-im.samples.adc_status", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set, {"Sample Sets", "locamation-im.samples.sets", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_rms_values, {"RMS Values", "locamation-im.samples.rms_values", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_measurement_channel_1, {"Measurement Channel 1", "locamation-im.samples.sets.measurement.channel.1", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_measurement_channel_2, {"Measurement Channel 2", "locamation-im.samples.sets.measurement.channel.2", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_measurement_channel_3, {"Measurement Channel 3", "locamation-im.samples.sets.measurement.channel.3", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_measurement_channel_n, {"Measurement Channel N", "locamation-im.samples.sets.measurement.channel.n", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_protection_channel_1, {"Protection Channel 1", "locamation-im.samples.sets.protection.channel.1", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_protection_channel_2, {"Protection Channel 2", "locamation-im.samples.sets.protection.channel.2", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_protection_channel_3, {"Protection Channel 3", "locamation-im.samples.sets.protection.channel.3", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_protection_channel_n, {"Protection Channel N", "locamation-im.samples.sets.protection.channel.n", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_channel_unused, {"Unused Channel", "locamation-im.samples.sets.channel.unused", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_ranges, {"Ranges", "locamation-im.samples.sets.measurement.ranges", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_ranges_sample_1, {"Sample 1", "locamation-im.samples.sets.measurement.ranges.sample.1", FT_UINT16, BASE_DEC, VALS(ranges_vals), MASK_RANGES_SAMPLE_1, NULL, HFILL}},
{&hf_samples_sample_set_ranges_sample_2, {"Sample 2", "locamation-im.samples.sets.measurement.ranges.sample.2", FT_UINT16, BASE_DEC, VALS(ranges_vals), MASK_RANGES_SAMPLE_2, NULL, HFILL}},
{&hf_samples_sample_set_ranges_sample_3, {"Sample 3", "locamation-im.samples.sets.measurement.ranges.sample.3", FT_UINT16, BASE_DEC, VALS(ranges_vals), MASK_RANGES_SAMPLE_3, NULL, HFILL}},
{&hf_samples_sample_set_ranges_sample_4, {"Sample 4", "locamation-im.samples.sets.measurement.ranges.sample.4", FT_UINT16, BASE_DEC, VALS(ranges_vals), MASK_RANGES_SAMPLE_4, NULL, HFILL}},
{&hf_samples_sample_set_ranges_sample_5, {"Sample 5", "locamation-im.samples.sets.measurement.ranges.sample.5", FT_UINT16, BASE_DEC, VALS(ranges_vals), MASK_RANGES_SAMPLE_5, NULL, HFILL}},
{&hf_samples_sample_set_ranges_sample_6, {"Sample 6", "locamation-im.samples.sets.measurement.ranges.sample.6", FT_UINT16, BASE_DEC, VALS(ranges_vals), MASK_RANGES_SAMPLE_6, NULL, HFILL}},
{&hf_samples_sample_set_ranges_sample_7, {"Sample 7", "locamation-im.samples.sets.measurement.ranges.sample.7", FT_UINT16, BASE_DEC, VALS(ranges_vals), MASK_RANGES_SAMPLE_7, NULL, HFILL}},
{&hf_samples_sample_set_ranges_sample_8, {"Sample 8", "locamation-im.samples.sets.measurement.ranges.sample.8", FT_UINT16, BASE_DEC, VALS(ranges_vals), MASK_RANGES_SAMPLE_8, NULL, HFILL}},
{&hf_samples_sample_set_sample_1, {"Sample 1", "locamation-im.samples.sets.sample.1", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_sample_2, {"Sample 2", "locamation-im.samples.sets.sample.2", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_sample_3, {"Sample 3", "locamation-im.samples.sets.sample.3", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_sample_4, {"Sample 4", "locamation-im.samples.sets.sample.4", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_sample_5, {"Sample 5", "locamation-im.samples.sets.sample.5", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_sample_6, {"Sample 6", "locamation-im.samples.sets.sample.6", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_sample_7, {"Sample 7", "locamation-im.samples.sets.sample.7", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_sample_set_sample_8, {"Sample 8", "locamation-im.samples.sets.sample.8", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_rms_values_measurement_channel_1, {"Measurement Channel 1", "locamation-im.samples.rms.measurement.channel.1", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_rms_values_measurement_channel_2, {"Measurement Channel 2", "locamation-im.samples.rms.measurement.channel.2", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_rms_values_measurement_channel_3, {"Measurement Channel 3", "locamation-im.samples.rms.measurement.channel.3", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_rms_values_protection_channel_1, {"Protection Channel 1", "locamation-im.samples.rms.protection.channel.1", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_rms_values_protection_channel_2, {"Protection Channel 2", "locamation-im.samples.rms.protection.channel.2", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_rms_values_protection_channel_3, {"Protection Channel 3", "locamation-im.samples.rms.protection.channel.3", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_rms_values_channel_unused, {"Unused Channel", "locamation-im.samples.rms.channel.unused", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}};
static ei_register_info ei_samples_im1[] = {
{&ei_samples_ranges_sample_1_invalid, {"locamation-im.samples.sets.measurement.ranges.sample.1.invalid", PI_MALFORMED, PI_ERROR, "Invalid Range for sample 1", EXPFILL}},
{&ei_samples_ranges_sample_2_invalid, {"locamation-im.samples.sets.measurement.ranges.sample.2.invalid", PI_MALFORMED, PI_ERROR, "Invalid Range for sample 2", EXPFILL}},
{&ei_samples_ranges_sample_3_invalid, {"locamation-im.samples.sets.measurement.ranges.sample.3.invalid", PI_MALFORMED, PI_ERROR, "Invalid Range for sample 3", EXPFILL}},
{&ei_samples_ranges_sample_4_invalid, {"locamation-im.samples.sets.measurement.ranges.sample.4.invalid", PI_MALFORMED, PI_ERROR, "Invalid Range for sample 4", EXPFILL}},
{&ei_samples_ranges_sample_5_invalid, {"locamation-im.samples.sets.measurement.ranges.sample.5.invalid", PI_MALFORMED, PI_ERROR, "Invalid Range for sample 5", EXPFILL}},
{&ei_samples_ranges_sample_6_invalid, {"locamation-im.samples.sets.measurement.ranges.sample.6.invalid", PI_MALFORMED, PI_ERROR, "Invalid Range for sample 6", EXPFILL}},
{&ei_samples_ranges_sample_7_invalid, {"locamation-im.samples.sets.measurement.ranges.sample.7.invalid", PI_MALFORMED, PI_ERROR, "Invalid Range for sample 7", EXPFILL}},
{&ei_samples_ranges_sample_8_invalid, {"locamation-im.samples.sets.measurement.ranges.sample.8.invalid", PI_MALFORMED, PI_ERROR, "Invalid Range for sample 8", EXPFILL}}};
static int h_protocol_samples_im1 = -1;
static int dissect_samples_im1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) {
return dissect_samples_im(TRUE, tvb, pinfo, tree, data, h_protocol_samples_im1);
}
/*
* ########################################################################
* #
* # Samples - IM2R0
* #
* ########################################################################
*/
static hf_register_info protocol_registration_samples_im2[] = {
{&hf_samples_timestamps, {"Timestamps", "locamation-im.samples.timestamps", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_version, {"Version", "locamation-im.samples.timestamps.version", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_reserved, {"Reserved", "locamation-im.samples.timestamps.reserved", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_1, {"Sample 1", "locamation-im.samples.timestamps.sample.1", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_2, {"Sample 2", "locamation-im.samples.timestamps.sample.2", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_3, {"Sample 3", "locamation-im.samples.timestamps.sample.3", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_4, {"Sample 4", "locamation-im.samples.timestamps.sample.4", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_5, {"Sample 5", "locamation-im.samples.timestamps.sample.5", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_6, {"Sample 6", "locamation-im.samples.timestamps.sample.6", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_7, {"Sample 7", "locamation-im.samples.timestamps.sample.7", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_8, {"Sample 8", "locamation-im.samples.timestamps.sample.8", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_sync_status, {"Sync Status", "locamation-im.samples.timestamps.sample.sync.status", FT_UINT8, BASE_DEC, VALS(samples_timestamps_sample_sync_status), 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_additional_status, {"Additional Status", "locamation-im.samples.timestamps.sample.additional.status", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_additional_status_holdover_state, {"Holdover", "locamation-im.samples.timestamps.sample.additional.status.holdover.state", FT_BOOLEAN, 8, TFS(&tfs_active_inactive), MASK_TIMESTAMP_ADDITIONAL_STATUS_HOLDOVER_STATE, NULL, HFILL}},
{&hf_samples_timestamps_sample_additional_status_master_clock_switch, {"Master Clock Switch", "locamation-im.samples.timestamps.sample.additional.status.master.clock.switch", FT_BOOLEAN, 8, TFS(&tfs_yes_no), MASK_TIMESTAMP_ADDITIONAL_STATUS_MASTER_CLOCK_SWITCH, NULL, HFILL}},
{&hf_samples_timestamps_sample_timestamp, {"Timestamp", "locamation-im.samples.timestamps.sample.timestamp", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_timestamp_seconds, {"Seconds", "locamation-im.samples.timestamps.sample.timestamp.seconds", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_samples_timestamps_sample_timestamp_nanoseconds, {"Nanoseconds", "locamation-im.samples.timestamps.sample.timestamp.nanoseconds", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}};
static ei_register_info ei_samples_im2r0[] = {
{&ei_samples_im_version_invalid, {"locamation-im.samples.control.version.invalid", PI_MALFORMED, PI_ERROR, "Invalid Version", EXPFILL}},
{&ei_samples_timestamp_sync_status_invalid, {"locamation-im.samples.timestamps.sample.sync.status.invalid", PI_MALFORMED, PI_ERROR, "Invalid Status", EXPFILL}}};
static int h_protocol_samples_im2r0 = -1;
static int dissect_samples_im2r0(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) {
return dissect_samples_im(FALSE, tvb, pinfo, tree, data, h_protocol_samples_im2r0);
}
/*
* ########################################################################
* #
* # LLC
* #
* ########################################################################
*/
static int hf_llc_company_pid = -1;
static hf_register_info llc_registration[] = {
{&hf_llc_company_pid, {"PID", "locamation-im.llc.pid", FT_UINT16, BASE_HEX, VALS(company_pid_vals), 0x0, "Protocol ID", HFILL}}};
/*
* ########################################################################
* #
* # Registration
* #
* ########################################################################
*/
static gint *protocol_subtree[] = {
&hst_protocol_calibration,
&hst_calibration_lines,
&hst_protocol_ident,
&hst_ident_lines,
&hst_samples_sample_set_ranges,
&hst_protocol_samples,
&hst_samples_control,
&hst_samples_sets,
&hst_samples_sets_set,
&hst_samples_rms,
&hst_samples_rms_values,
&hst_samples_timestamps,
&hst_samples_timestamps_set,
&hst_samples_timestamps_sample,
&hst_samples_timestamps_sample_timestamp,
&hst_samples_timestamps_sample_reserved};
static dissector_handle_t h_calibration;
static dissector_handle_t h_ident;
static dissector_handle_t h_samples_im1;
static dissector_handle_t h_samples_im2r0;
void proto_register_locamation_im(void) {
/* Setup subtrees */
proto_register_subtree_array(protocol_subtree, array_length(protocol_subtree));
/* Register Protocols */
/* Calibration */
h_protocol_calibration = proto_register_protocol(PROTOCOL_NAME_CALIBRATION, PROTOCOL_SHORTNAME_CALIBRATION, "locamation-im.calibration");
proto_register_field_array(h_protocol_calibration, protocol_registration_calibration, array_length(protocol_registration_calibration));
expert_module_t *expert_calibration = expert_register_protocol(h_protocol_calibration);
expert_register_field_array(expert_calibration, ei_calibration, array_length(ei_calibration));
/* Ident */
h_protocol_ident = proto_register_protocol(PROTOCOL_NAME_IDENT, PROTOCOL_SHORTNAME_IDENT, "locamation-im.ident");
proto_register_field_array(h_protocol_ident, protocol_registration_ident, array_length(protocol_registration_ident));
/* Samples - IM1 */
h_protocol_samples_im1 = proto_register_protocol(PROTOCOL_NAME_SAMPLES_IM1, PROTOCOL_SHORTNAME_SAMPLES_IM1, "locamation-im.samples.im1");
proto_register_field_array(h_protocol_samples_im1, protocol_registration_samples, array_length(protocol_registration_samples));
expert_module_t *expert_samples_im1 = expert_register_protocol(h_protocol_samples_im1);
expert_register_field_array(expert_samples_im1, ei_samples_im1, array_length(ei_samples_im1));
/* Samples - IM2R0 */
h_protocol_samples_im2r0 = proto_register_protocol(PROTOCOL_NAME_SAMPLES_IM2R0, PROTOCOL_SHORTNAME_SAMPLES_IM2R0, "locamation-im.samples.im2r0");
proto_register_field_array(h_protocol_samples_im2r0, protocol_registration_samples_im2, array_length(protocol_registration_samples_im2));
expert_module_t *expert_samples_im2r0 = expert_register_protocol(h_protocol_samples_im2r0);
expert_register_field_array(expert_samples_im2r0, ei_samples_im2r0, array_length(ei_samples_im2r0));
/* LLC Handler Registration */
llc_add_oui(COMPANY_OUI, "locamation-im.llc.pid", "LLC " COMPANY_NAME " OUI PID", llc_registration, -1);
}
void proto_reg_handoff_locamation_im(void) {
/* Calibration */
h_calibration = create_dissector_handle(dissect_calibration, h_protocol_calibration);
dissector_add_uint("locamation-im.llc.pid", COMPANY_PID_CALIBRATION, h_calibration);
/* Ident */
h_ident = create_dissector_handle(dissect_ident, h_protocol_ident);
dissector_add_uint("locamation-im.llc.pid", COMPANY_PID_IDENT, h_ident);
/* Samples - IM1 */
h_samples_im1 = create_dissector_handle(dissect_samples_im1, h_protocol_samples_im1);
dissector_add_uint("locamation-im.llc.pid", COMPANY_PID_SAMPLES_IM1, h_samples_im1);
/* Samples - IM2R0 */
h_samples_im2r0 = create_dissector_handle(dissect_samples_im2r0, h_protocol_samples_im2r0);
dissector_add_uint("locamation-im.llc.pid", COMPANY_PID_SAMPLES_IM2R0, h_samples_im2r0);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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