/* packet-hartip.c * Routines for HART-IP packet dissection * Copyright 2012, Bill Schiller * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * 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. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include static dissector_handle_t hartip_handle; 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; /* 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 = 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, (guint8*)st_str_packets, 0, FALSE); tick_stat_node(st, (guint8*)message_type_node_str, st_node_packets, FALSE); tick_stat_node(st, (guint8*)message_id_node_str, message_type_node, FALSE); return 1; } static gint dissect_empty_body(proto_tree *tree, 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) { proto_item_set_text(ti, "No data"); } else { proto_item_set_text(ti, "Unexpected message body"); } return bodylen; } static gint dissect_session_init(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen) { proto_item *ti; guint8 master_type; const char *master_type_str; if (bodylen == 5) { master_type = tvb_get_guint8(tvb, offset); ti = proto_tree_add_uint(body_tree, hf_hartip_master_type, tvb, offset, 1, master_type); offset++; master_type_str = val_to_str(master_type, hartip_master_type_values, "Unknown host type %d"); proto_item_set_text(ti, "Host Type: %s", master_type_str); proto_tree_add_uint(body_tree, hf_hartip_inactivity_close_timer, tvb, offset, 4, tvb_get_ntohl(tvb, offset)); } 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_uint(body_tree, hf_hartip_error_code, tvb, offset, 1, tvb_get_guint8(tvb, offset)); } 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, tvbuff_t *tvb, gint offset, gint bodylen) { return dissect_empty_body(body_tree, tvb, offset, bodylen); } static gint dissect_keep_alive(proto_tree *body_tree, tvbuff_t *tvb, gint offset, gint bodylen) { return dissect_empty_body(body_tree, tvb, offset, bodylen); } static gint dissect_byte(proto_tree *tree, int hf, tvbuff_t *tvb, gint offset) { proto_tree_add_uint(tree, hf, tvb, offset, 1, tvb_get_guint8(tvb, offset)); return 1; } static gint dissect_short(proto_tree *tree, int hf, tvbuff_t *tvb, gint offset) { proto_tree_add_uint(tree, hf, tvb, offset, 2, tvb_get_ntohs(tvb, offset)); return 2; } static gint dissect_float(proto_tree *tree, int hf, tvbuff_t *tvb, gint offset) { proto_tree_add_item(tree, hf, tvb, offset, sizeof(gfloat), ENC_BIG_ENDIAN); return 4; } static gint dissect_string(proto_tree *tree, int hf, char *name, int len, tvbuff_t *tvb, gint offset) { proto_item *ti; char *str; str = ep_alloc(256); ti = proto_tree_add_item(tree, hf, tvb, offset, len, ENC_NA); if (len < 256) { (void) tvb_get_nstringz0(tvb, offset, len + 1, str); proto_item_set_text(ti, "%s: %s", name, str); } return len; } static gint dissect_packAscii(proto_tree *tree, int hf, char *name, int len, tvbuff_t *tvb, gint offset) { gushort usIdx; gushort usGroupCnt; gushort usMaxGroups; /* Number of 4 byte groups to pack. */ gushort usMask; gint iIndex; gint i = 0; proto_item *ti; gushort buf[4]; guint8 *tmp; char *str = NULL; str = ep_alloc(256+1); ti = proto_tree_add_item(tree, hf, tvb, offset, len, ENC_NA); DISSECTOR_ASSERT(len < 3 * (256/4)); tmp = ep_alloc0(len); tvb_memcpy(tvb, tmp, offset, len); 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_item_set_text(ti, "%s: %s", name, str); return len; } static gint dissect_timestamp(proto_tree *tree, int hf, 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, "Tag", 6, tvb, offset); offset += dissect_packAscii(body_tree, hf_hartip_pt_rsp_packed_descriptor, "descriptor", 12, tvb, offset); 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) { if (cmd == 0) return dissect_cmd0(body_tree, tvb, offset, bodylen); else if (cmd == 1) return dissect_cmd1(body_tree, tvb, offset, bodylen); else if (cmd == 2) return dissect_cmd2(body_tree, tvb, offset, bodylen); else if (cmd == 3) return dissect_cmd3(body_tree, tvb, offset, bodylen); else if (cmd == 9) return dissect_cmd9(body_tree, tvb, offset, bodylen); else if ((cmd == 12) && (bodylen >= 24)) return dissect_packAscii(body_tree, hf_hartip_pt_rsp_message, "Message", 24, tvb, offset); else if (cmd == 13) return dissect_cmd13(body_tree, tvb, offset, bodylen); else if ((cmd == 20) && (bodylen >= 32)) return dissect_string(body_tree, hf_hartip_pt_rsp_tag, "Tag", 32, tvb, offset); else if (cmd == 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 tmp; 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++; length--; 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) { tmp = tvb_get_guint8(tvb, offset); proto_tree_add_uint(body_tree, hf_hartip_pt_short_addr, tvb, offset, 1, tmp); offset++; length--; } } 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_uint(body_tree, hf_hartip_pt_command, tvb, offset, 1, cmd); offset++; length--; } if (length > 0) { tmp = tvb_get_guint8(tvb, offset); proto_tree_add_uint(body_tree, hf_hartip_pt_length, tvb, offset, 1, tmp); offset++; length--; } if (is_rsp == 1) { if (length > 0) { tmp = tvb_get_guint8(tvb, offset); proto_tree_add_uint(body_tree, hf_hartip_pt_response_code, tvb, offset, 1, tmp); offset++; length--; } if (length > 0) { tmp = tvb_get_guint8(tvb, offset); proto_tree_add_uint(body_tree, hf_hartip_pt_device_status, tvb, offset, 1, tmp); offset++; length--; } } 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) { tmp = tvb_get_guint8(tvb, offset); proto_tree_add_uint(body_tree, hf_hartip_pt_checksum, tvb, offset, 1, tmp); } 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->dissector_handle != hartip_handle) ) { conversation = conversation_new(pinfo->fd->num, &pinfo->src, &pinfo->dst, pinfo->ptype, pinfo->srcport, 0, NO_PORT2); conversation_set_dissector(conversation, hartip_handle); } } } static void dissect_hartip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_tree *hartip_tree, *hdr_tree, *body_tree; proto_item *ti, *hdr_node, *body_node; gint offset = 0; gint bodylen; gint packet_count = 0; hartip_hdr hdr; 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); while (1) { if (tvb_reported_length_remaining(tvb, offset) < HARTIP_HEADER_LENGTH) return; tvb_memcpy(tvb, (guint8 *)&hdr, offset, sizeof(hartip_hdr)); hdr.transaction_id = g_ntohs(hdr.transaction_id); hdr.length = g_ntohs(hdr.length); msg_id_str = val_to_str(hdr.message_id, hartip_message_id_values, "Unknown message %d"); msg_type_str = val_to_str(hdr.message_type, hartip_message_type_values, "Unknown message type %d"); bodylen = hdr.length - HARTIP_HEADER_LENGTH; /* Setup statistics for tap. */ tapinfo = ep_alloc(sizeof(hartip_tap_info)); tapinfo->message_type = hdr.message_type; tapinfo->message_id = hdr.message_id; if (hdr.message_id == SESSION_INITIATE_ID) { hartip_set_conversation(pinfo); } if (packet_count == 0) { col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s, Sequence Number %d", msg_id_str, msg_type_str, hdr.transaction_id); } else if (packet_count == 1) { col_add_fstr(pinfo->cinfo, COL_INFO, "Multiple HART_IP Messages"); } packet_count++; if (tree) { ti = proto_tree_add_protocol_format (tree, proto_hartip, tvb, offset, hdr.length, "HART_IP Protocol, %s %s, Sequence Number %d", msg_id_str, msg_type_str, hdr.transaction_id); hartip_tree = proto_item_add_subtree(ti, ett_hartip); /* add header elements. */ hdr_node = proto_tree_add_text(hartip_tree, tvb, offset, HARTIP_HEADER_LENGTH, "HART_IP Header"); hdr_tree = proto_item_add_subtree(hdr_node, ett_hartip_hdr); proto_tree_add_uint(hdr_tree, hf_hartip_hdr_version, tvb, offset++, 1, hdr.version); ti = proto_tree_add_uint(hdr_tree, hf_hartip_hdr_message_type, tvb, offset++, 1, hdr.message_type); proto_item_set_text(ti, "Message Type: %s", msg_type_str); ti = proto_tree_add_uint(hdr_tree, hf_hartip_hdr_message_id, tvb, offset++, 1, hdr.message_id); proto_item_set_text(ti, "Message ID: %s", msg_id_str); proto_tree_add_uint(hdr_tree, hf_hartip_hdr_status, tvb, offset++, 1, hdr.status); proto_tree_add_uint(hdr_tree, hf_hartip_hdr_transaction_id, tvb, offset, 2, hdr.transaction_id); offset += 2; proto_tree_add_uint(hdr_tree, hf_hartip_hdr_msg_length, tvb, offset, 2, hdr.length); offset += 2; /* add body elements. */ if (bodylen < 0) { proto_tree_add_text(hartip_tree, tvb, offset, hdr.length - HARTIP_HEADER_LENGTH, "HART_IP Body - Invalid size"); return; } else { body_node = proto_tree_add_text (hartip_tree, tvb, offset, bodylen, "HART_IP Body, %s, %s", msg_id_str, msg_type_str); body_tree = proto_item_add_subtree(body_node, ett_hartip_body); if (hdr.message_type == ERROR_MSG_TYPE) { offset += dissect_error(body_tree, tvb, offset, bodylen); } else { /* Dissect the various HARTIP messages. */ switch(hdr.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, tvb, offset, bodylen); break; case KEEP_ALIVE_ID: offset += dissect_keep_alive(body_tree, 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; } } } } else { offset += hdr.length; } tap_queue_packet(hartip_tap, pinfo, tapinfo); } } 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), 0xFF, "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), 0xFF, "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 commads. */ { &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_BYTES, 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_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, /* Message */ { &hf_hartip_pt_rsp_message, { "Message", "hart_ip.pt.rsp.message", FT_BYTES, 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 }; proto_hartip = proto_register_protocol("HART_IP", "HART_IP", "hart_ip"); proto_register_field_array(proto_hartip, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); hartip_tap = register_tap("hart_ip"); } void proto_reg_handoff_hartip(void) { hartip_handle = create_dissector_handle(dissect_hartip, proto_hartip); dissector_add_uint("udp.port", HARTIP_PORT, hartip_handle); dissector_add_uint("tcp.port", HARTIP_PORT, hartip_handle); stats_tree_register("hart_ip", "hart_ip", "HART-IP", 0, hartip_stats_tree_packet, hartip_stats_tree_init, NULL ); }