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wireshark/epan/dissectors/packet-hartip.c

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/* packet-hartip.c
* Routines for HART-IP packet dissection
* Copyright 2012, Bill Schiller <bill.schiller@emerson.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* Copied from packet-mbtcp.c
*
* 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.
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/stats_tree.h>
#include <epan/expert.h>
#include <epan/prefs.h>
#include "packet-tcp.h"
void proto_register_hartip(void);
void proto_reg_handoff_hartip(void);
static dissector_handle_t hartip_tcp_handle;
static dissector_handle_t hartip_udp_handle;
static gboolean hartip_desegment = TRUE;
static int proto_hartip = -1;
static int hf_hartip_hdr_version = -1;
static int hf_hartip_hdr_message_id = -1;
static int hf_hartip_hdr_message_type = -1;
static int hf_hartip_hdr_status = -1;
static int hf_hartip_hdr_transaction_id = -1;
static int hf_hartip_hdr_msg_length = -1;
static int hf_hartip_data = -1;
static int hf_hartip_master_type = -1;
static int hf_hartip_inactivity_close_timer = -1;
static int hf_hartip_error_code = -1;
static int hf_hartip_pt_preambles = -1;
static int hf_hartip_pt_delimiter = -1;
static int hf_hartip_pt_short_addr = -1;
static int hf_hartip_pt_long_addr = -1;
static int hf_hartip_pt_command = -1;
static int hf_hartip_pt_length = -1;
static int hf_hartip_pt_response_code = -1;
static int hf_hartip_pt_device_status = -1;
static int hf_hartip_pt_payload = -1;
static int hf_hartip_pt_checksum = -1;
static gint ett_hartip = -1;
static gint ett_hartip_hdr = -1;
static gint ett_hartip_body = -1;
static expert_field ei_hartip_data_none = EI_INIT;
static expert_field ei_hartip_data_unexpected = EI_INIT;
/* Command 0 response */
static int hf_hartip_pt_rsp_expansion_code = -1;
static int hf_hartip_pt_rsp_expanded_device_type = -1;
static int hf_hartip_pt_rsp_req_min_preambles = -1;
static int hf_hartip_pt_rsp_hart_protocol_major_rev = -1;
static int hf_hartip_pt_rsp_device_rev = -1;
static int hf_hartip_pt_rsp_software_rev = -1;
static int hf_hartip_pt_rsp_hardware_rev_physical_signal = -1;
static int hf_hartip_pt_rsp_flage = -1;
static int hf_hartip_pt_rsp_device_id = -1;
static int hf_hartip_pt_rsp_rsp_min_preambles = -1;
static int hf_hartip_pt_rsp_max_device_variables = -1;
static int hf_hartip_pt_rsp_configuration_change_counter = -1;
static int hf_hartip_pt_rsp_extended_device_status = -1;
static int hf_hartip_pt_rsp_manufacturer_Identification_code = -1;
static int hf_hartip_pt_rsp_private_label = -1;
static int hf_hartip_pt_rsp_device_profile = -1;
/* Command 2 response */
static int hf_hartip_pt_rsp_pv_percent_range = -1;
/* Command 3 response */
static int hf_hartip_pt_rsp_pv_loop_current = -1;
static int hf_hartip_pt_rsp_pv_units = -1;
static int hf_hartip_pt_rsp_pv = -1;
static int hf_hartip_pt_rsp_sv_units = -1;
static int hf_hartip_pt_rsp_sv = -1;
static int hf_hartip_pt_rsp_tv_units = -1;
static int hf_hartip_pt_rsp_tv = -1;
static int hf_hartip_pt_rsp_qv_units = -1;
static int hf_hartip_pt_rsp_qv = -1;
/* Command 9 response */
static int hf_hartip_pt_rsp_slot0_device_var = -1;
static int hf_hartip_pt_rsp_slot0_device_var_classify = -1;
static int hf_hartip_pt_rsp_slot0_units = -1;
static int hf_hartip_pt_rsp_slot0_device_var_value = -1;
static int hf_hartip_pt_rsp_slot0_device_var_status = -1;
static int hf_hartip_pt_rsp_slot1_device_var = -1;
static int hf_hartip_pt_rsp_slot1_device_var_classify = -1;
static int hf_hartip_pt_rsp_slot1_units = -1;
static int hf_hartip_pt_rsp_slot1_device_var_value = -1;
static int hf_hartip_pt_rsp_slot1_device_var_status = -1;
static int hf_hartip_pt_rsp_slot2_device_var = -1;
static int hf_hartip_pt_rsp_slot2_device_var_classify = -1;
static int hf_hartip_pt_rsp_slot2_units = -1;
static int hf_hartip_pt_rsp_slot2_device_var_value = -1;
static int hf_hartip_pt_rsp_slot2_device_var_status = -1;
static int hf_hartip_pt_rsp_slot3_device_var = -1;
static int hf_hartip_pt_rsp_slot3_device_var_classify = -1;
static int hf_hartip_pt_rsp_slot3_units = -1;
static int hf_hartip_pt_rsp_slot3_device_var_value = -1;
static int hf_hartip_pt_rsp_slot3_device_var_status = -1;
static int hf_hartip_pt_rsp_slot4_device_var = -1;
static int hf_hartip_pt_rsp_slot4_device_var_classify = -1;
static int hf_hartip_pt_rsp_slot4_units = -1;
static int hf_hartip_pt_rsp_slot4_device_var_value = -1;
static int hf_hartip_pt_rsp_slot4_device_var_status = -1;
static int hf_hartip_pt_rsp_slot5_device_var = -1;
static int hf_hartip_pt_rsp_slot5_device_var_classify = -1;
static int hf_hartip_pt_rsp_slot5_units = -1;
static int hf_hartip_pt_rsp_slot5_device_var_value = -1;
static int hf_hartip_pt_rsp_slot5_device_var_status = -1;
static int hf_hartip_pt_rsp_slot6_device_var = -1;
static int hf_hartip_pt_rsp_slot6_device_var_classify = -1;
static int hf_hartip_pt_rsp_slot6_units = -1;
static int hf_hartip_pt_rsp_slot6_device_var_value = -1;
static int hf_hartip_pt_rsp_slot6_device_var_status = -1;
static int hf_hartip_pt_rsp_slot7_device_var = -1;
static int hf_hartip_pt_rsp_slot7_device_var_classify = -1;
static int hf_hartip_pt_rsp_slot7_units = -1;
static int hf_hartip_pt_rsp_slot7_device_var_value = -1;
static int hf_hartip_pt_rsp_slot7_device_var_status = -1;
static int hf_hartip_pt_rsp_slot0_timestamp = -1;
/* Command 13 response */
static int hf_hartip_pt_rsp_packed_descriptor = -1;
static int hf_hartip_pt_rsp_day = -1;
static int hf_hartip_pt_rsp_month = -1;
static int hf_hartip_pt_rsp_year = -1;
/* response Tag */
static int hf_hartip_pt_rsp_tag = -1;
/* response Message */
static int hf_hartip_pt_rsp_message = -1;
/* Command 48 response */
static int hf_hartip_pt_rsp_device_sp_status = -1;
static int hf_hartip_pt_rsp_device_op_mode = -1;
static int hf_hartip_pt_rsp_standardized_status_0 = -1;
static int hf_hartip_pt_rsp_standardized_status_1 = -1;
static int hf_hartip_pt_rsp_analog_channel_saturated = -1;
static int hf_hartip_pt_rsp_standardized_status_2 = -1;
static int hf_hartip_pt_rsp_standardized_status_3 = -1;
static int hf_hartip_pt_rsp_analog_channel_fixed = -1;
#define HARTIP_HEADER_LENGTH 8
#define HARTIP_PORT 5094
/* HARTIP header */
typedef struct _hartip_hdr {
guint8 version;
guint8 message_type;
guint8 message_id;
guint8 status;
guint16 transaction_id;
guint16 length;
} hartip_hdr;
/* Message IDs */
#define SESSION_INITIATE_ID 0
#define SESSION_CLOSE_ID 1
#define KEEP_ALIVE_ID 2
#define PASS_THROUGH_ID 3
/* Message types */
#define REQUEST_MSG_TYPE 0
#define RESPONSE_MSG_TYPE 1
#define ERROR_MSG_TYPE 2
static const value_string hartip_message_id_values[] = {
{ SESSION_INITIATE_ID, "Session Initiate" },
{ SESSION_CLOSE_ID, "Session Close" },
{ KEEP_ALIVE_ID, "Keep Alive" },
{ PASS_THROUGH_ID, "Pass Through" },
{ 0, NULL }
};
static const value_string hartip_message_type_values[] = {
{ REQUEST_MSG_TYPE, "Request" },
{ RESPONSE_MSG_TYPE, "Response" },
{ ERROR_MSG_TYPE, "Error" },
{ 0, NULL }
};
/* Host types */
#define SECONDARY_MASTER_TYPE 0
#define PRIMARY_MASTER_TYPE 1
static const value_string hartip_master_type_values[] = {
{ SECONDARY_MASTER_TYPE, "Secondary Host" },
{ PRIMARY_MASTER_TYPE, "Primary Host" },
{ 0, NULL }
};
/* Error Codes */
#define SESSION_CLOSED_ERROR 0
#define PRIMARY_SESSION_UNAVAILABLE_ERROR 1
#define SERVICE_UNAVAILABLE_ERROR 2
static const value_string hartip_error_code_values[] = {
{ SESSION_CLOSED_ERROR, "Session closed" },
{ PRIMARY_SESSION_UNAVAILABLE_ERROR, "Primary session unavailable" },
{ SERVICE_UNAVAILABLE_ERROR, "Service unavailable" },
{ 0, NULL }
};
/* Handle for statistics tap. */
static int hartip_tap = -1;
/* Structure used for passing data for statistics processing. */
typedef struct _hartip_tap_info {
gint8 message_type;
gint8 message_id;
} hartip_tap_info;
/* Names of items in statistics tree. */
static const gchar* st_str_packets = "Total HART_IP Packets";
static const gchar* st_str_requests = "Request Packets";
static const gchar* st_str_responses = "Response Packets";
static const gchar* st_str_errors = "Error Packets";
/* Handles of items in statistics tree. */
static int st_node_packets = -1;
static int st_node_requests = -1;
static int st_node_responses = -1;
static int st_node_errors = -1;
static void
hartip_stats_tree_init(stats_tree* st)
{
st_node_packets = stats_tree_create_node(st, st_str_packets, 0, TRUE);
st_node_requests = stats_tree_create_pivot(st, st_str_requests, st_node_packets);
st_node_responses = stats_tree_create_node(st, st_str_responses, st_node_packets, TRUE);
st_node_errors = stats_tree_create_node(st, st_str_errors, st_node_packets, TRUE);
}
static int
hartip_stats_tree_packet(stats_tree* st, packet_info* pinfo _U_,
epan_dissect_t* edt _U_, const void* p)
{
const hartip_tap_info *tapinfo = (const hartip_tap_info *)p;
const gchar *message_type_node_str, *message_id_node_str;
int message_type_node;
switch (tapinfo->message_type) {
case REQUEST_MSG_TYPE:
message_type_node_str = st_str_requests;
message_type_node = st_node_requests;
break;
case RESPONSE_MSG_TYPE:
message_type_node_str = st_str_responses;
message_type_node = st_node_responses;
break;
case ERROR_MSG_TYPE:
message_type_node_str = st_str_errors;
message_type_node = st_node_errors;
break;
default:
return 0; /* Don't want to track invalid messages for now. */
}
message_id_node_str = val_to_str(tapinfo->message_id,
hartip_message_id_values,
"Unknown message %d");
tick_stat_node(st, st_str_packets, 0, FALSE);
tick_stat_node(st, message_type_node_str, st_node_packets, FALSE);
tick_stat_node(st, message_id_node_str, message_type_node, FALSE);
return 1;
}
static gint
dissect_empty_body(proto_tree *tree, packet_info* pinfo, tvbuff_t *tvb,
gint offset, gint bodylen)
{
proto_item *ti;
ti = proto_tree_add_item(tree, hf_hartip_data, tvb, offset, bodylen, ENC_NA);
if (bodylen == 0) {
expert_add_info(pinfo, ti, &ei_hartip_data_none);
} else {
expert_add_info(pinfo, ti, &ei_hartip_data_unexpected);
}
return bodylen;
}
static gint
dissect_session_init(proto_tree *body_tree, tvbuff_t *tvb, gint offset,
gint bodylen)
{
if (bodylen == 5) {
proto_tree_add_item(body_tree, hf_hartip_master_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(body_tree, hf_hartip_inactivity_close_timer, tvb, offset, 4, ENC_BIG_ENDIAN);
} else {
proto_tree_add_item(body_tree, hf_hartip_data, tvb, offset, bodylen, ENC_NA);
}
return bodylen;
}
static gint
dissect_error(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen)
{
if (bodylen == 1) {
proto_tree_add_item(body_tree, hf_hartip_error_code, tvb, offset, 1, ENC_BIG_ENDIAN);
} else {
proto_tree_add_item(body_tree, hf_hartip_data, tvb, offset, bodylen, ENC_NA);
}
return bodylen;
}
static gint
dissect_session_close(proto_tree *body_tree, packet_info* pinfo, tvbuff_t *tvb,
gint offset, gint bodylen)
{
return dissect_empty_body(body_tree, pinfo, tvb, offset, bodylen);
}
static gint
dissect_keep_alive(proto_tree *body_tree, packet_info* pinfo, tvbuff_t *tvb,
gint offset, gint bodylen)
{
return dissect_empty_body(body_tree, pinfo, tvb, offset, bodylen);
}
static gint
dissect_byte(proto_tree *tree, int hf, tvbuff_t *tvb, gint offset)
{
proto_tree_add_item(tree, hf, tvb, offset, 1, ENC_BIG_ENDIAN);
return 1;
}
static gint
dissect_short(proto_tree *tree, int hf, tvbuff_t *tvb, gint offset)
{
proto_tree_add_item(tree, hf, tvb, offset, 2, ENC_BIG_ENDIAN);
return 2;
}
static gint
dissect_float(proto_tree *tree, int hf, tvbuff_t *tvb, gint offset)
{
proto_tree_add_item(tree, hf, tvb, offset, 4, ENC_BIG_ENDIAN);
return 4;
}
static gint
dissect_packAscii(proto_tree *tree, int hf, tvbuff_t *tvb, gint offset, int len)
{
gushort usIdx;
gushort usGroupCnt;
gushort usMaxGroups; /* Number of 4 byte groups to pack. */
gushort usMask;
gint iIndex;
gint i = 0;
gushort buf[4];
guint8 *tmp;
char *str = NULL;
tmp = (guint8 *)wmem_alloc0(wmem_packet_scope(), len);
tvb_memcpy(tvb, tmp, offset, len);
/* Maximum possible unpacked length = (len / 3) * 4 */
str = (char *)wmem_alloc(wmem_packet_scope(), ((len / 3) * 4)+1);
iIndex = 0;
usMaxGroups = (gushort)(len / 3);
for (usGroupCnt = 0; usGroupCnt < usMaxGroups; usGroupCnt++) {
/*
* First unpack 3 bytes into a group of 4 bytes, clearing bits 6 & 7.
*/
buf[0] = (gushort)(tmp[iIndex] >> 2);
buf[1] = (gushort)(((tmp[iIndex] << 4) & 0x30) | (tmp[iIndex + 1] >> 4));
buf[2] = (gushort)(((tmp[iIndex + 1] << 2) & 0x3C) | (tmp[iIndex + 2] >> 6));
buf[3] = (gushort)(tmp[iIndex + 2] & 0x3F);
iIndex += 3;
/*
* Now transfer to unpacked area, setting bit 6 to complement of bit 5.
*/
for (usIdx = 0; usIdx < 4; usIdx++) {
usMask = (gushort)(((buf[usIdx] & 0x20) << 1) ^ 0x40);
DISSECTOR_ASSERT(i < 256);
str[i++] = (gchar)(buf[usIdx] | usMask);
}
}
str[i] = '\0';
proto_tree_add_string(tree, hf, tvb, offset, len, str);
return len;
}
static gint
dissect_timestamp(proto_tree *tree, int hf, const char *name, int len,
tvbuff_t *tvb, gint offset)
{
proto_item *ti;
guint32 t;
guint32 hrs = 0;
guint32 mins = 0;
guint32 secs = 0;
guint32 ms = 0;
ti = proto_tree_add_item(tree, hf, tvb, offset, len, ENC_NA);
t = tvb_get_ntohl(tvb, offset);
if (t > 0 ) {
t /= 32;
ms = t % 1000;
t /= 1000;
secs = t % 60;
t /= 60;
mins = t % 60;
hrs = (guint)(t / 60);
}
proto_item_set_text(ti, "%s: %02d:%02d:%02d.%03d", name, hrs, mins, secs, ms);
return len;
}
static gint
dissect_cmd0(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen)
{
if (bodylen >= 22) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_expansion_code, tvb, offset);
offset += dissect_short(body_tree, hf_hartip_pt_rsp_expanded_device_type, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_req_min_preambles, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_hart_protocol_major_rev, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_device_rev, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_software_rev, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_hardware_rev_physical_signal, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_flage, tvb, offset);
proto_tree_add_item(body_tree, hf_hartip_pt_rsp_device_id, tvb, offset, 3, ENC_NA);
offset += 3;
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_rsp_min_preambles, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_max_device_variables, tvb, offset);
offset += dissect_short(body_tree, hf_hartip_pt_rsp_configuration_change_counter, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_extended_device_status, tvb, offset);
offset += dissect_short(body_tree, hf_hartip_pt_rsp_manufacturer_Identification_code, tvb, offset);
offset += dissect_short(body_tree, hf_hartip_pt_rsp_private_label, tvb, offset);
/*offset += */dissect_byte(body_tree, hf_hartip_pt_rsp_device_profile, tvb, offset);
return bodylen;
}
return 0;
}
static gint
dissect_cmd1(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen)
{
if (bodylen >= 5) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_pv_units, tvb, offset);
/*offset += */dissect_float(body_tree, hf_hartip_pt_rsp_pv, tvb, offset);
return bodylen;
}
return 0;
}
static gint
dissect_cmd2(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen)
{
if (bodylen >= 8) {
offset += dissect_float(body_tree, hf_hartip_pt_rsp_pv_loop_current, tvb, offset);
/*offset += */dissect_float(body_tree, hf_hartip_pt_rsp_pv_percent_range, tvb, offset);
return bodylen;
}
return 0;
}
static gint
dissect_cmd3(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen)
{
if (bodylen >= 24) {
offset += dissect_float(body_tree, hf_hartip_pt_rsp_pv_loop_current, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_pv_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_pv, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_sv_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_sv, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_tv_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_tv, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_qv_units, tvb, offset);
/*offset += */dissect_float(body_tree, hf_hartip_pt_rsp_qv, tvb, offset);
return bodylen;
}
return 0;
}
static gint
dissect_cmd9(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen)
{
if (bodylen >= 14) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_extended_device_status, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot0_device_var, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot0_device_var_classify, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot0_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_slot0_device_var_value, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot0_device_var_status, tvb, offset);
if (bodylen >= 22) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot1_device_var, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot1_device_var_classify, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot1_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_slot1_device_var_value, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot1_device_var_status, tvb, offset);
}
if (bodylen >= 30) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot2_device_var, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot2_device_var_classify, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot2_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_slot2_device_var_value, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot2_device_var_status, tvb, offset);
}
if (bodylen >= 38) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot3_device_var, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot3_device_var_classify, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot3_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_slot3_device_var_value, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot3_device_var_status, tvb, offset);
}
if (bodylen >= 46) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot4_device_var, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot4_device_var_classify, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot4_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_slot4_device_var_value, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot4_device_var_status, tvb, offset);
}
if (bodylen >= 54) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot5_device_var, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot5_device_var_classify, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot5_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_slot5_device_var_value, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot5_device_var_status, tvb, offset);
}
if (bodylen >= 62) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot6_device_var, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot6_device_var_classify, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot6_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_slot6_device_var_value, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot6_device_var_status, tvb, offset);
}
if (bodylen >= 70) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot7_device_var, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot7_device_var_classify, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot7_units, tvb, offset);
offset += dissect_float(body_tree, hf_hartip_pt_rsp_slot7_device_var_value, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_slot7_device_var_status, tvb, offset);
}
dissect_timestamp(body_tree, hf_hartip_pt_rsp_slot0_timestamp, "Slot0 Data TimeStamp", 4, tvb, offset);
return bodylen;
}
return 0;
}
static gint
dissect_cmd13(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen)
{
if (bodylen >= 21) {
offset += dissect_packAscii(body_tree, hf_hartip_pt_rsp_tag, tvb, offset, 6);
offset += dissect_packAscii(body_tree, hf_hartip_pt_rsp_packed_descriptor, tvb, offset, 12);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_day, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_month, tvb, offset);
/*offset += */dissect_byte(body_tree, hf_hartip_pt_rsp_year, tvb, offset);
return bodylen;
}
return 0;
}
static gint
dissect_cmd48(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen)
{
if (bodylen >= 9) {
proto_tree_add_item(body_tree, hf_hartip_pt_rsp_device_sp_status, tvb, offset, 5, ENC_NA);
offset += 5;
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_extended_device_status, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_device_op_mode, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_standardized_status_0, tvb, offset);
if (bodylen >= 14) {
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_standardized_status_1, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_analog_channel_saturated, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_standardized_status_2, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_standardized_status_3, tvb, offset);
offset += dissect_byte(body_tree, hf_hartip_pt_rsp_analog_channel_fixed, tvb, offset);
}
if (bodylen >= 24) {
proto_tree_add_item(body_tree, hf_hartip_pt_rsp_device_sp_status, tvb, offset, 11, ENC_NA);
/*offset += 11;*/
}
return bodylen;
}
return 0;
}
static gint
dissect_parse_hart_cmds(proto_tree *body_tree, tvbuff_t *tvb, guint8 cmd,
gint offset, gint bodylen)
{
switch(cmd)
{
case 0:
return dissect_cmd0(body_tree, tvb, offset, bodylen);
case 1:
return dissect_cmd1(body_tree, tvb, offset, bodylen);
case 2:
return dissect_cmd2(body_tree, tvb, offset, bodylen);
case 3:
return dissect_cmd3(body_tree, tvb, offset, bodylen);
case 9:
return dissect_cmd9(body_tree, tvb, offset, bodylen);
case 12:
if (bodylen >= 24)
return dissect_packAscii(body_tree, hf_hartip_pt_rsp_message, tvb, offset, 24);
break;
case 13:
return dissect_cmd13(body_tree, tvb, offset, bodylen);
case 20:
if (bodylen >= 32) {
proto_tree_add_item(body_tree, hf_hartip_pt_rsp_tag, tvb, offset, 32,
ENC_ASCII|ENC_NA);
return 32;
}
break;
case 48:
return dissect_cmd48(body_tree, tvb, offset, bodylen);
}
return 0;
}
static gint
dissect_pass_through(proto_tree *body_tree, tvbuff_t *tvb, gint offset,
gint bodylen)
{
proto_item *ti;
guint8 delimiter;
const char *frame_type_str;
guint8 cmd = 0;
gint length = bodylen;
gint is_short = 0;
gint is_rsp = 0;
gint num_preambles = 0;
gint result;
/* find number of preambles */
while (length > num_preambles) {
delimiter = tvb_get_guint8(tvb, offset + num_preambles);
if (delimiter != 0xFF)
break;
num_preambles += 1;
}
if (num_preambles > 0) {
proto_tree_add_item(body_tree, hf_hartip_pt_preambles, tvb, offset,
num_preambles, ENC_NA);
offset += num_preambles;
length -= num_preambles;
}
if (length > 0) {
delimiter = tvb_get_guint8(tvb, offset);
ti = proto_tree_add_uint(body_tree, hf_hartip_pt_delimiter, tvb, offset, 1,
delimiter);
offset += 1;
length -= 1;
if ((delimiter & 0x7) == 2) {
frame_type_str = "STX";
} else if ((delimiter & 0x7) == 6) {
frame_type_str = "ACK";
is_rsp = 1;
} else {
frame_type_str = "UNK";
}
if ((delimiter & 0x80) == 0) {
is_short = 1;
proto_item_set_text(ti, "Short Address, Frame Type: %s", frame_type_str);
} else {
proto_item_set_text(ti, "Frame Type: %s", frame_type_str);
}
}
if (is_short == 1) {
if (length > 0) {
proto_tree_add_item(body_tree, hf_hartip_pt_short_addr, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
}
} else {
if (length > 4) {
proto_tree_add_item(body_tree, hf_hartip_pt_long_addr, tvb, offset, 5, ENC_NA);
offset += 5;
length -= 5;
} else if (length > 0) {
proto_tree_add_item(body_tree, hf_hartip_data, tvb, offset, length, ENC_NA);
length = 0;
}
}
if (length > 0) {
cmd = tvb_get_guint8(tvb, offset);
proto_tree_add_item(body_tree, hf_hartip_pt_command, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
}
if (length > 0) {
proto_tree_add_item(body_tree, hf_hartip_pt_length, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
}
if (is_rsp == 1) {
if (length > 0) {
proto_tree_add_item(body_tree, hf_hartip_pt_response_code, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
}
if (length > 0) {
proto_tree_add_item(body_tree, hf_hartip_pt_device_status, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
}
}
if (length > 1) {
result = dissect_parse_hart_cmds(body_tree, tvb, cmd, offset, length);
if (result == 0 ) {
proto_tree_add_item(body_tree, hf_hartip_pt_payload, tvb, offset,
(length - 1), ENC_NA);
}
offset += (length - 1);
length = 1;
}
if (length > 0) {
proto_tree_add_item(body_tree, hf_hartip_pt_checksum, tvb, offset, 1, ENC_BIG_ENDIAN);
}
return bodylen;
}
static void
hartip_set_conversation(packet_info *pinfo)
{
conversation_t *conversation = NULL;
if (!pinfo->fd->flags.visited && (pinfo->ptype == PT_UDP)) {
/*
* This function is called for a session initiate send over UDP.
* The session initiate is sent to the server on port HARTIP_PORT.
* The server then responds from a different port. All subsequent
* communication for the session between the client and server
* uses the new server port and the original client port.
*
* A new conversation is created here and this dissector is set to
* be used for it. This allows the packets to be dissected properly
* for this protocol.
*/
conversation = find_conversation(pinfo->fd->num,
&pinfo->src, &pinfo->dst, pinfo->ptype,
pinfo->srcport, 0, NO_PORT_B);
if( (conversation == NULL) ||
(conversation_get_dissector(conversation, pinfo->fd->num) != hartip_udp_handle) ) {
conversation = conversation_new(pinfo->fd->num,
&pinfo->src, &pinfo->dst, pinfo->ptype,
pinfo->srcport, 0, NO_PORT2);
conversation_set_dissector(conversation, hartip_udp_handle);
}
}
}
static int
dissect_hartip_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
gint offset)
{
proto_tree *hartip_tree, *hdr_tree, *body_tree;
proto_item *hart_item;
gint bodylen;
guint8 message_type, message_id;
guint16 transaction_id, length;
const char *msg_id_str, *msg_type_str;
hartip_tap_info *tapinfo;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "HART_IP");
col_clear(pinfo->cinfo, COL_INFO);
length = tvb_get_ntohs(tvb, offset+6);
hart_item = proto_tree_add_item(tree, proto_hartip, tvb, 0, length, ENC_NA);
hartip_tree = proto_item_add_subtree(hart_item, ett_hartip);
hdr_tree = proto_tree_add_subtree(hartip_tree, tvb, offset, HARTIP_HEADER_LENGTH,
ett_hartip_hdr, NULL, "HART_IP Header");
proto_tree_add_item(hdr_tree, hf_hartip_hdr_version, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
message_type = tvb_get_guint8(tvb, offset);
msg_type_str = val_to_str(message_type, hartip_message_type_values, "Unknown message type %d");
proto_tree_add_item(hdr_tree, hf_hartip_hdr_message_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
message_id = tvb_get_guint8(tvb, offset);
msg_id_str = val_to_str(message_id, hartip_message_id_values, "Unknown message %d");
proto_tree_add_item(hdr_tree, hf_hartip_hdr_message_id, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Setup statistics for tap. */
tapinfo = wmem_new(wmem_packet_scope(), hartip_tap_info);
tapinfo->message_type = message_type;
tapinfo->message_id = message_id;
tap_queue_packet(hartip_tap, pinfo, tapinfo);
if (message_id == SESSION_INITIATE_ID) {
hartip_set_conversation(pinfo);
}
proto_tree_add_item(hdr_tree, hf_hartip_hdr_status, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
transaction_id = tvb_get_ntohs(tvb, offset);
proto_tree_add_item(hdr_tree, hf_hartip_hdr_transaction_id, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_item_append_text(hart_item, ", %s %s, Sequence Number %d", msg_id_str,
msg_type_str, transaction_id);
col_append_sep_fstr(pinfo->cinfo, COL_INFO, " | ",
"%s %s, Sequence Number %d",
msg_id_str, msg_type_str, transaction_id);
col_set_fence(pinfo->cinfo, COL_INFO);
proto_tree_add_item(hdr_tree, hf_hartip_hdr_msg_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
if (length < HARTIP_HEADER_LENGTH)
return tvb_reported_length(tvb);
bodylen = length - HARTIP_HEADER_LENGTH;
/* add body elements. */
body_tree = proto_tree_add_subtree_format(hartip_tree, tvb, offset, bodylen,
ett_hartip_body, NULL,
"HART_IP Body, %s, %s", msg_id_str, msg_type_str);
if (message_type == ERROR_MSG_TYPE) {
offset += dissect_error(body_tree, tvb, offset, bodylen);
} else {
/* Dissect the various HARTIP messages. */
switch(message_id) {
case SESSION_INITIATE_ID:
offset += dissect_session_init(body_tree, tvb, offset, bodylen);
break;
case SESSION_CLOSE_ID:
offset += dissect_session_close(body_tree, pinfo, tvb, offset, bodylen);
break;
case KEEP_ALIVE_ID:
offset += dissect_keep_alive(body_tree, pinfo, tvb, offset, bodylen);
break;
case PASS_THROUGH_ID:
offset += dissect_pass_through(body_tree, tvb, offset, bodylen);
break;
default:
proto_tree_add_item(body_tree, hf_hartip_data, tvb, offset, bodylen, ENC_NA);
offset += bodylen;
break;
}
}
return offset;
}
static guint
get_dissect_hartip_len(packet_info *pinfo _U_, tvbuff_t *tvb,
int offset, void *data _U_)
{
return tvb_get_ntohs(tvb, offset+6);
}
static int
dissect_hartip_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
return dissect_hartip_common(tvb, pinfo, tree, 0);
}
static int
dissect_hartip_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
void *data)
{
if (!tvb_bytes_exist(tvb, 0, HARTIP_HEADER_LENGTH))
return 0;
tcp_dissect_pdus(tvb, pinfo, tree, hartip_desegment, HARTIP_HEADER_LENGTH,
get_dissect_hartip_len, dissect_hartip_pdu, data);
return tvb_reported_length(tvb);
}
static int
dissect_hartip_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
void *data _U_)
{
gint offset = 0;
while (tvb_reported_length_remaining(tvb, offset) >= HARTIP_HEADER_LENGTH)
offset += dissect_hartip_common(tvb, pinfo, tree, offset);
return offset;
}
void
proto_register_hartip(void)
{
static hf_register_info hf[] = {
/* HARTIP header elements. */
{ &hf_hartip_hdr_version,
{ "Version", "hart_ip.version",
FT_UINT8, BASE_DEC, NULL, 0x0,
"HART_IP version number", HFILL }
},
{ &hf_hartip_hdr_message_type,
{ "Message Type", "hart_ip.message_type",
FT_UINT8, BASE_DEC, VALS(hartip_message_type_values), 0,
"HART_IP message type", HFILL }
},
{ &hf_hartip_hdr_message_id,
{ "Message ID", "hart_ip.message_id",
FT_UINT8, BASE_DEC, VALS(hartip_message_id_values), 0,
"HART_IP message id", HFILL }
},
{ &hf_hartip_hdr_status,
{ "Status", "hart_ip.status",
FT_UINT8, BASE_DEC, NULL, 0x0,
"HART_IP status field", HFILL }
},
{ &hf_hartip_hdr_transaction_id,
{ "Sequence Number", "hart_ip.transaction_id",
FT_UINT16, BASE_DEC, NULL, 0x0,
"HART_IP Sequence Number", HFILL }
},
{ &hf_hartip_hdr_msg_length,
{ "Message Length", "hart_ip.msg_length",
FT_UINT16, BASE_DEC, NULL, 0x0,
"HART_IP Message Length", HFILL }
},
/* HARTIP Body elements */
{ &hf_hartip_data,
{ "Message Data", "hart_ip.data",
FT_BYTES, BASE_NONE, NULL, 0x0,
"HART_IP Message Data", HFILL }
},
{ &hf_hartip_master_type,
{ "Host Type", "hart_ip.session_init.master_type",
FT_UINT8, BASE_DEC, VALS(hartip_master_type_values), 0xFF,
"Session Host Type", HFILL }
},
{ &hf_hartip_inactivity_close_timer,
{ "Inactivity Close Timer", "hart_ip.session_init.inactivity_close_timer",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Session Inactivity Close Timer", HFILL }
},
{ &hf_hartip_error_code,
{ "Error", "hart_ip.error.error_code",
FT_UINT8, BASE_DEC, VALS(hartip_error_code_values), 0xFF,
"Error Code", HFILL }
},
/* HARTIP Pass-through commands. */
{ &hf_hartip_pt_preambles,
{ "Preambles", "hart_ip.pt.preambles",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Pass Through Preambles", HFILL }
},
{ &hf_hartip_pt_delimiter,
{ "Delimter", "hart_ip.pt.delimter",
FT_UINT8, BASE_HEX, NULL, 0x0,
"Pass Through Delimiter", HFILL }
},
{ &hf_hartip_pt_short_addr,
{ "Short Address", "hart_ip.pt.short_addr",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Pass Through Short Address", HFILL }
},
{ &hf_hartip_pt_long_addr,
{ "Long Address", "hart_ip.pt.long_address",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Pass Through Long Address", HFILL }
},
{ &hf_hartip_pt_command,
{ "Command", "hart_ip.pt.command",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Pass Through Command", HFILL }
},
{ &hf_hartip_pt_length,
{ "Length", "hart_ip.pt.length",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Pass Through Length", HFILL }
},
{ &hf_hartip_pt_response_code,
{ "Response Code", "hart_ip.pt.response_code",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Pass Through Response Code", HFILL }
},
{ &hf_hartip_pt_device_status,
{ "Device Status", "hart_ip.pt.device_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
"Pass Through Device Status", HFILL }
},
{ &hf_hartip_pt_payload,
{ "Payload", "hart_ip.pt.payload",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Pass Through Payload", HFILL }
},
{ &hf_hartip_pt_checksum,
{ "Checksum", "hart_ip.pt.checksum",
FT_UINT8, BASE_HEX, NULL, 0x0,
"Pass Through Checksum", HFILL }
},
/* add fields for universal commands. */
/* command 0 */
{ &hf_hartip_pt_rsp_expansion_code,
{ "Expansion Code", "hart_ip.pt.rsp.expansion_code",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_expanded_device_type,
{ "Expanded Device Type", "hart_ip.pt.rsp.expanded_device_type",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_req_min_preambles,
{ "Minimum Number of Request Preambles", "hart_ip.pt.rsp.req_min_preambles",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_hart_protocol_major_rev,
{ "HART Universal Revision", "hart_ip.pt.rsp.hart_univ_rev",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_device_rev,
{ "Device Revision", "hart_ip.pt.rsp.device_rev",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_software_rev,
{ "Device Software Revision", "hart_ip.pt.rsp.software_rev",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_hardware_rev_physical_signal,
{ "Hardware Rev and Physical Signaling", "hart_ip.pt.rsp.hardrev_and_physical_signal",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_flage,
{ "Flags", "hart_ip.pt.rsp.flags",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_device_id,
{ "Device ID", "hart_ip.pt.rsp.device_id",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_rsp_min_preambles,
{ "Minimum Number of Response Preambles", "hart_ip.pt.rsp.rsp_min_preambles",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_max_device_variables,
{ "Maximum Number of Device Variables", "hart_ip.pt.rsp.device_variables",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_configuration_change_counter,
{ "Configuration Change Counter", "hart_ip.pt.rsp.configure_change",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_extended_device_status,
{ "Extended Device Status", "hart_ip.pt.rsp.ext_device_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_manufacturer_Identification_code,
{ "Manufacturer ID", "hart_ip.pt.rsp.manufacturer_Id",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_private_label,
{ "Private Label", "hart_ip.pt.rsp.private_label",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_device_profile,
{ "Device Profile", "hart_ip.pt.rsp.device_profile",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
/* command 2 */
{ &hf_hartip_pt_rsp_pv_percent_range,
{ "PV Percent Range", "hart_ip.pt.rsp.pv_percent_range",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* command 3 */
{ &hf_hartip_pt_rsp_pv_loop_current,
{ "PV Loop Current", "hart_ip.pt.rsp.pv_loop_current",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_pv_units,
{ "PV Units", "hart_ip.pt.rsp.pv_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_pv,
{ "PV", "hart_ip.pt.rsp.pv",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_sv_units,
{ "SV Units", "hart_ip.pt.rsp.sv_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_sv,
{ "SV", "hart_ip.pt.rsp.sv",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_tv_units,
{ "TV Units", "hart_ip.pt.rsp.tv_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_tv,
{ "TV", "hart_ip.pt.rsp.tv",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_qv_units,
{ "QV Units", "hart_ip.pt.rsp.qv_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_qv,
{ "QV", "hart_ip.pt.rsp.qv",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* command 9 */
{ &hf_hartip_pt_rsp_slot0_device_var,
{ "Slot0 Device Variable", "hart_ip.pt.rsp.slot0_device_var",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot0_device_var_classify,
{ "Slot0 Device Variable Classification", "hart_ip.pt.rsp.slot0_device_var_classify",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot0_units,
{ "Slot0 Units", "hart_ip.pt.rsp.slot0_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot0_device_var_value,
{ "Slot0 Device Variable Value", "hart_ip.pt.rsp.slot0_device_var_value",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot0_device_var_status,
{ "Slot0 Device Variable Status", "hart_ip.pt.rsp.slot0_device_var_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot1_device_var,
{ "Slot1 Device Variable", "hart_ip.pt.rsp.slot1_device_var",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot1_device_var_classify,
{ "Slot1 Device Variable Classification", "hart_ip.pt.rsp.slot1_device_var_classify",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot1_units,
{ "Slot1 Units", "hart_ip.pt.rsp.slot1_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot1_device_var_value,
{ "Slot1 Device Variable Value", "hart_ip.pt.rsp.slot1_device_var_value",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot1_device_var_status,
{ "Slot1 Device Variable Status", "hart_ip.pt.rsp.slot1_device_var_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot2_device_var,
{ "Slot2 Device Variable", "hart_ip.pt.rsp.slot2_device_var",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot2_device_var_classify,
{ "Slot2 Device Variable Classification", "hart_ip.pt.rsp.slot2_device_var_classify",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot2_units,
{ "Slot2 Units", "hart_ip.pt.rsp.slot2_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot2_device_var_value,
{ "Slot2 Device Variable Value", "hart_ip.pt.rsp.slot2_device_var_value",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot2_device_var_status,
{ "Slot2 Device Variable Status", "hart_ip.pt.rsp.slot2_device_var_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot3_device_var,
{ "Slot3 Device Variable", "hart_ip.pt.rsp.slot3_device_var",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot3_device_var_classify,
{ "Slot3 Device Variable Classification", "hart_ip.pt.rsp.slot3_device_var_classify",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot3_units,
{ "Slot3 Units", "hart_ip.pt.rsp.slot3_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot3_device_var_value,
{ "Slot3 Device Variable Value", "hart_ip.pt.rsp.slot3_device_var_value",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot3_device_var_status,
{ "Slot3 Device Variable Status", "hart_ip.pt.rsp.slot3_device_var_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot4_device_var,
{ "Slot4 Device Variable", "hart_ip.pt.rsp.slot4_device_var",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot4_device_var_classify,
{ "Slot4 Device Variable Classification", "hart_ip.pt.rsp.slot4_device_var_classify",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot4_units,
{ "Slot4 Units", "hart_ip.pt.rsp.slot4_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot4_device_var_value,
{ "Slot4 Device Variable Value", "hart_ip.pt.rsp.slot4_device_var_value",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot4_device_var_status,
{ "Slot4 Device Variable Status", "hart_ip.pt.rsp.slot4_device_var_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot5_device_var,
{ "Slot5 Device Variable", "hart_ip.pt.rsp.slot5_device_var",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot5_device_var_classify,
{ "Slot5 Device Variable Classification", "hart_ip.pt.rsp.slot5_device_var_classify",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot5_units,
{ "Slot5 Units", "hart_ip.pt.rsp.slot5_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot5_device_var_value,
{ "Slot5 Device Variable Value", "hart_ip.pt.rsp.slot5_device_var_value",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot5_device_var_status,
{ "Slot5 Device Variable Status", "hart_ip.pt.rsp.slot5_device_var_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot6_device_var,
{ "Slot6 Device Variable", "hart_ip.pt.rsp.slot6_device_var",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot6_device_var_classify,
{ "Slot6 Device Variable Classification", "hart_ip.pt.rsp.slot6_device_var_classify",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot6_units,
{ "Slot6 Units", "hart_ip.pt.rsp.slot6_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot6_device_var_value,
{ "Slot6 Device Variable Value", "hart_ip.pt.rsp.slot6_device_var_value",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot6_device_var_status,
{ "Slot6 Device Variable Status", "hart_ip.pt.rsp.slot6_device_var_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot7_device_var,
{ "Slot7 Device Variable", "hart_ip.pt.rsp.slot7_device_var",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot7_device_var_classify,
{ "Slot7 Device Variable Classification", "hart_ip.pt.rsp.slot7_device_var_classify",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot7_units,
{ "Slot7 Units", "hart_ip.pt.rsp.slot7_units",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot7_device_var_value,
{ "Slot7 Device Variable Value", "hart_ip.pt.rsp.slot7_device_var_value",
FT_FLOAT, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot7_device_var_status,
{ "Slot7 Device Variable Status", "hart_ip.pt.rsp.slot7_device_var_status",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_slot0_timestamp,
{ "Slot0 Data TimeStamp", "hart_ip.pt.rsp.slot0_data_timestamp",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* command 13 */
{ &hf_hartip_pt_rsp_packed_descriptor,
{ "Descriptor", "hart_ip.pt.rsp.descriptor",
FT_STRINGZPAD, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_day,
{ "Day", "hart_ip.pt.rsp.day",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_month,
{ "Month", "hart_ip.pt.rsp.month",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_year,
{ "Year", "hart_ip.pt.rsp.year",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
/* Tag */
{ &hf_hartip_pt_rsp_tag,
{ "Tag", "hart_ip.pt.rsp.tag",
FT_STRINGZPAD, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* Message */
{ &hf_hartip_pt_rsp_message,
{ "Message", "hart_ip.pt.rsp.message",
FT_STRINGZPAD, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* command 48 */
{ &hf_hartip_pt_rsp_device_sp_status,
{ "Device-Specific Status", "hart_ip.pt.rsp.device_sp_status",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_device_op_mode,
{ "Device Operating Mode", "hart_ip.pt.rsp.device_op_mode",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_standardized_status_0,
{ "Standardized Status 0", "hart_ip.pt.rsp.standardized_status_0",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_standardized_status_1,
{ "Standardized Status 1", "hart_ip.pt.rsp.standardized_status_1",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_analog_channel_saturated,
{ "Analog Channel Saturated", "hart_ip.pt.rsp.analog_channel_saturated",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_standardized_status_2,
{ "Standardized Status 2", "hart_ip.pt.rsp.standardized_status_2",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_standardized_status_3,
{ "Standardized Status 3", "hart_ip.pt.rsp.standardized_status_3",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_hartip_pt_rsp_analog_channel_fixed,
{ "Analog Channel Fixed", "hart_ip.pt.rsp.analog_channel_fixed",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL
}
}
};
static gint *ett[] = {
&ett_hartip,
&ett_hartip_hdr,
&ett_hartip_body
};
static ei_register_info ei[] = {
{ &ei_hartip_data_none, { "hart_ip.data.none", PI_PROTOCOL, PI_NOTE, "No data", EXPFILL }},
{ &ei_hartip_data_unexpected, { "hart_ip.data.unexpected", PI_PROTOCOL, PI_WARN, "Unexpected message body", EXPFILL }},
};
module_t *hartip_module;
expert_module_t* expert_hartip;
proto_hartip = proto_register_protocol("HART_IP Protocol", "HART_IP", "hart_ip");
proto_register_field_array(proto_hartip, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_hartip = expert_register_protocol(proto_hartip);
expert_register_field_array(expert_hartip, ei, array_length(ei));
hartip_module = prefs_register_protocol(proto_hartip, NULL);
prefs_register_bool_preference(hartip_module, "desegment",
"Desegment all HART-IP messages spanning multiple TCP segments",
"Whether the HART-IP dissector should desegment all messages spanning multiple TCP segments",
&hartip_desegment);
hartip_tap = register_tap("hart_ip");
}
void
proto_reg_handoff_hartip(void)
{
hartip_tcp_handle = create_dissector_handle(dissect_hartip_tcp, proto_hartip);
hartip_udp_handle = create_dissector_handle(dissect_hartip_udp, proto_hartip);
dissector_add_uint("udp.port", HARTIP_PORT, hartip_udp_handle);
dissector_add_uint("tcp.port", HARTIP_PORT, hartip_tcp_handle);
stats_tree_register("hart_ip", "hart_ip", "HART-IP", 0,
hartip_stats_tree_packet, hartip_stats_tree_init, NULL);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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