--- /dev/null
+/* packet-dua.c
+ * Routines for DPNSS/DASS2-User Adaptation Layer dissection
+ *
+ * It is hopefully (needs testing) compilant to
+ * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-dua-08.txt
+ * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-rfc3057bis-02.txt
+ *
+ * To do: - provide better handling of length parameters
+ *
+ * Copyright 2005, Michael Tuexen <tuexen [AT] fh-muenster.de>
+ *
+ * $Id: packet-dua.c 12115 2004-09-27 22:55:15Z guy $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from packet-iua.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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <epan/packet.h>
+#include <epan/prefs.h>
+#include "sctpppids.h"
+
+#define NETWORK_BYTE_ORDER FALSE
+
+/* Initialize the protocol and registered fields */
+static int proto_dua = -1;
+static int hf_int_interface_id = -1;
+static int hf_text_interface_id = -1;
+static int hf_info_string = -1;
+static int hf_dlci_reserved = -1;
+static int hf_dlci_v_bit = -1;
+static int hf_dlci_zero_bit = -1;
+static int hf_dlci_channel = -1;
+static int hf_dlci_one_bit = -1;
+static int hf_dlci_spare = -1;
+static int hf_diag_info = -1;
+static int hf_interface_range_start = -1;
+static int hf_interface_range_end = -1;
+static int hf_heartbeat_data = -1;
+static int hf_traffic_mode_type = -1;
+static int hf_error_code = -1;
+static int hf_status_type = -1;
+static int hf_status_id = -1;
+static int hf_release_reason = -1;
+static int hf_tei_status = -1;
+static int hf_asp_id = -1;
+static int hf_states = -1;
+static int hf_parameter_tag = -1;
+static int hf_parameter_length = -1;
+static int hf_parameter_value = -1;
+static int hf_parameter_padding = -1;
+static int hf_version = -1;
+static int hf_reserved = -1;
+static int hf_message_class = -1;
+static int hf_message_type = -1;
+static int hf_message_length = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_dua = -1;
+static gint ett_dua_parameter = -1;
+
+static dissector_handle_t data_handle;
+
+#define ADD_PADDING(x) ((((x) + 3) >> 2) << 2)
+
+#define PARAMETER_TAG_LENGTH 2
+#define PARAMETER_LENGTH_LENGTH 2
+#define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
+
+#define PARAMETER_TAG_OFFSET 0
+#define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
+#define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
+#define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
+
+#define INT_INTERFACE_ID_OFFSET PARAMETER_VALUE_OFFSET
+#define INT_INTERFACE_ID_LENGTH 4
+
+static void
+dissect_int_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_int_interface_id, parameter_tvb, INT_INTERFACE_ID_OFFSET, INT_INTERFACE_ID_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%d)", tvb_get_ntohl(parameter_tvb, INT_INTERFACE_ID_OFFSET));
+}
+
+#define TEXT_INTERFACE_ID_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_text_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 interface_id_length;
+
+ interface_id_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+
+ proto_tree_add_item(parameter_tree, hf_text_interface_id, parameter_tvb, TEXT_INTERFACE_ID_OFFSET, interface_id_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%.*s)", interface_id_length,
+ (const char *)tvb_get_ptr(parameter_tvb, TEXT_INTERFACE_ID_OFFSET, interface_id_length));
+}
+
+#define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 info_string_length;
+
+ info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%.*s)", info_string_length,
+ (const char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length));
+}
+
+#define DLCI_LENGTH 2
+#define SPARE_LENGTH 2
+
+#define DLCI_OFFSET PARAMETER_VALUE_OFFSET
+#define SPARE_OFFSET (DLCI_OFFSET + DLCI_LENGTH)
+
+#define RESERVED_BIT_MASK 0xfe00
+#define V_BIT_MASK 0x0100
+#define ZERO_BIT_MASK 0x0080
+#define CHANNEL_BIT_MASK 0x007e
+#define ONE_BIT_MASK 0x0001
+
+static void
+dissect_dlci_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
+{
+ proto_tree_add_item(parameter_tree, hf_dlci_reserved, parameter_tvb, DLCI_OFFSET, DLCI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_v_bit, parameter_tvb, DLCI_OFFSET, DLCI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_zero_bit, parameter_tvb, DLCI_OFFSET, DLCI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_channel, parameter_tvb, DLCI_OFFSET, DLCI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_one_bit, parameter_tvb, DLCI_OFFSET, DLCI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_spare, parameter_tvb, SPARE_OFFSET, SPARE_LENGTH, NETWORK_BYTE_ORDER);
+}
+
+static void
+dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 diag_info_length;
+
+ diag_info_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ proto_tree_add_item(parameter_tree, hf_diag_info, parameter_tvb, PARAMETER_VALUE_OFFSET, diag_info_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
+}
+
+#define START_LENGTH 4
+#define END_LENGTH 4
+#define INTERVAL_LENGTH (START_LENGTH + END_LENGTH)
+
+#define START_OFFSET 0
+#define END_OFFSET (START_OFFSET + START_LENGTH)
+
+static void
+dissect_integer_range_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 number_of_ranges, range_number;
+ gint offset;
+
+ number_of_ranges = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / INTERVAL_LENGTH;
+ offset = PARAMETER_VALUE_OFFSET;
+ for(range_number = 1; range_number <= number_of_ranges; range_number++) {
+ proto_tree_add_item(parameter_tree, hf_interface_range_start, parameter_tvb, offset + START_OFFSET, START_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_interface_range_end, parameter_tvb, offset + END_OFFSET, END_LENGTH, NETWORK_BYTE_ORDER);
+ offset += INTERVAL_LENGTH;
+ };
+
+ proto_item_append_text(parameter_item, " (%u range%s)", number_of_ranges, plurality(number_of_ranges, "", "s"));
+}
+
+#define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 heartbeat_data_length;
+
+ heartbeat_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
+}
+
+#define OVER_RIDE_TRAFFIC_MODE_TYPE 1
+#define LOAD_SHARE_TRAFFIC_MODE_TYPE 2
+
+static const value_string traffic_mode_type_values[] = {
+ { OVER_RIDE_TRAFFIC_MODE_TYPE, "Over-ride" },
+ { LOAD_SHARE_TRAFFIC_MODE_TYPE, "Load-share" },
+ { 0, NULL } };
+
+#define TRAFFIC_MODE_TYPE_LENGTH 4
+#define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "unknown"));
+}
+
+#define INVALID_VERSION_ERROR 0x01
+#define INVALID_INTERFACE_IDENTIFIER_ERROR 0x02
+#define UNSUPPORTED_MESSAGE_CLASS_ERROR 0x03
+#define UNSUPPORTED_MESSAGE_TYPE_ERROR 0x04
+#define UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR 0x05
+#define UNEXPECTED_MESSAGE_ERROR 0x06
+#define PROTOCOL_ERROR 0x07
+#define UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR 0x08
+#define INVALID_STREAM_IDENTIFIER_ERROR 0x09
+#define REFUSED_MANAGEMENT_BLOCKING_ERROR 0x0d
+#define ASP_IDENTIFIER_REQUIRED_ERROR 0x0e
+#define INVALID_ASP_IDENTIFIER_ERROR 0x0f
+#define CHANNEL_NUMBER_OUT_OF_RANGE_ERROR 0x1c
+#define CHANNEL_NUMBER_NOT_CONFIGURED 0x1d
+
+static const value_string error_code_values[] = {
+ { INVALID_VERSION_ERROR, "Invalid version" },
+ { INVALID_INTERFACE_IDENTIFIER_ERROR, "Invalid interface identifier" },
+ { UNSUPPORTED_MESSAGE_CLASS_ERROR, "Unsuported message class" },
+ { UNSUPPORTED_MESSAGE_TYPE_ERROR, "Unsupported message type" },
+ { UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR, "Unsupported traffic handling mode" },
+ { UNEXPECTED_MESSAGE_ERROR, "Unexpected message" },
+ { PROTOCOL_ERROR, "Protocol error" },
+ { UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR, "Unsupported interface identifier type" },
+ { INVALID_STREAM_IDENTIFIER_ERROR, "Invalid stream identifier" },
+ { REFUSED_MANAGEMENT_BLOCKING_ERROR, "Refused - Management blocking" },
+ { ASP_IDENTIFIER_REQUIRED_ERROR, "ASP identifier required" },
+ { INVALID_ASP_IDENTIFIER_ERROR, "Invalid ASP Identifier" },
+ { CHANNEL_NUMBER_OUT_OF_RANGE_ERROR, "Channel number out of range" },
+ { CHANNEL_NUMBER_NOT_CONFIGURED, "Channel number not configured" },
+ { 0, NULL } };
+
+#define ERROR_CODE_LENGTH 4
+#define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), error_code_values, "unknown"));
+}
+
+#define ASP_STATE_CHANGE_STATUS_TYPE 0x01
+#define OTHER_STATUS_TYPE 0x02
+
+static const value_string status_type_values[] = {
+ { ASP_STATE_CHANGE_STATUS_TYPE, "Application server state change" },
+ { OTHER_STATUS_TYPE, "Other" },
+ { 0, NULL } };
+
+#define AS_DOWN_STATUS_IDENT 0x01
+#define AS_INACTIVE_STATUS_IDENT 0x02
+#define AS_ACTIVE_STATUS_IDENT 0x03
+#define AS_PENDING_STATUS_IDENT 0x04
+
+#define INSUFFICIENT_ASP_RESOURCES_STATUS_IDENT 0x01
+#define ALTERNATE_ASP_ACTIVE_STATUS_IDENT 0x02
+
+static const value_string status_type_id_values[] = {
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_DOWN_STATUS_IDENT, "Application server down" },
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_INACTIVE_STATUS_IDENT, "Application server inactive" },
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_ACTIVE_STATUS_IDENT, "Application server active" },
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_PENDING_STATUS_IDENT, "Application server pending" },
+ { OTHER_STATUS_TYPE * 256 * 256 + INSUFFICIENT_ASP_RESOURCES_STATUS_IDENT, "Insufficient ASP resources active in AS" },
+ { OTHER_STATUS_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_STATUS_IDENT, "Alternate ASP active" },
+ { 0, NULL } };
+
+#define STATUS_TYPE_LENGTH 2
+#define STATUS_IDENT_LENGTH 2
+#define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
+#define STATUS_IDENT_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
+
+static void
+dissect_status_type_identification_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 status_type, status_id;
+
+ status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
+ status_id = tvb_get_ntohs(parameter_tvb, STATUS_IDENT_OFFSET);
+
+ proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_uint_format(parameter_tree, hf_status_id, parameter_tvb, STATUS_IDENT_OFFSET, STATUS_IDENT_LENGTH,
+ status_id, "Status identification: %u (%s)", status_id,
+ val_to_str(status_type * 256 * 256 + status_id, status_type_id_values, "unknown"));
+
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(status_type * 256 * 256 + status_id, status_type_id_values, "unknown status information"));
+}
+
+#define PROTOCOL_DATA_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_protocol_data_parameter(tvbuff_t *parameter_tvb, proto_item *parameter_item, packet_info *pinfo, proto_tree *tree)
+{
+ guint16 protocol_data_length;
+ tvbuff_t *protocol_data_tvb;
+
+ protocol_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ protocol_data_tvb = tvb_new_subset(parameter_tvb, PROTOCOL_DATA_OFFSET, protocol_data_length, protocol_data_length);
+ call_dissector(data_handle, protocol_data_tvb, pinfo, tree);
+
+ proto_item_append_text(parameter_item, " (%u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s"));
+}
+
+#define RELEASE_MGMT_REASON 0
+#define RELEASE_PHYS_REASON 1
+#define RELEASE_DM_REASON 2
+#define RELEASE_OTHER_REASON 3
+
+static const value_string release_reason_values[] = {
+ { RELEASE_MGMT_REASON, "Management layer generated release" },
+ { RELEASE_PHYS_REASON, "Physical layer alarm generated release" },
+ { RELEASE_DM_REASON, "Layer 2 should release" },
+ { RELEASE_OTHER_REASON, "Other reason" },
+ { 0, NULL } };
+
+#define RELEASE_REASON_OFFSET PARAMETER_VALUE_OFFSET
+#define RELEASE_REASON_LENGTH 4
+
+static void
+dissect_release_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_release_reason, parameter_tvb, RELEASE_REASON_OFFSET, RELEASE_REASON_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(tvb_get_ntohl(parameter_tvb, RELEASE_REASON_OFFSET), release_reason_values, "unknown"));
+}
+
+#define TEI_STATUS_ASSIGNED 0
+#define TEI_STATUS_UNASSIGNED 1
+
+static const value_string tei_status_values[] = {
+ { TEI_STATUS_ASSIGNED, "TEI is considered assigned by Q.921" },
+ { TEI_STATUS_UNASSIGNED, "TEI is considered unassigned by Q.921" },
+ { 0, NULL } };
+
+#define TEI_STATUS_LENGTH 4
+#define TEI_STATUS_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_tei_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_tei_status, parameter_tvb, TEI_STATUS_OFFSET, TEI_STATUS_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(tvb_get_ntohl(parameter_tvb, TEI_STATUS_OFFSET), tei_status_values, "unknown"));
+}
+
+#define ASP_ID_LENGTH 4
+#define ASP_ID_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_asp_id, parameter_tvb, ASP_ID_OFFSET, ASP_ID_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, ASP_ID_OFFSET));
+}
+
+static void
+dissect_dlc_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item _U_)
+{
+ guint16 parameter_value_length;
+
+ /* FIXME: This can be done better */
+ parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ if (parameter_value_length > 0)
+ proto_tree_add_item(parameter_tree, hf_states, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, NETWORK_BYTE_ORDER);
+}
+
+static void
+dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 parameter_value_length;
+
+ parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ if (parameter_value_length > 0)
+ proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " with tag %u and %u byte%s value",
+ tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET), parameter_value_length, plurality(parameter_value_length, "", "s"));
+}
+
+#define INT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x01
+#define TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x03
+#define INFO_PARAMETER_TAG 0x04
+#define DLCI_PARAMETER_TAG 0x05
+#define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x07
+#define INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x08
+#define HEARTBEAT_DATA_PARAMETER_TAG 0x09
+#define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x0b
+#define ERROR_CODE_PARAMETER_TAG 0x0c
+#define STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG 0x0d
+#define PROTOCOL_DATA_PARAMETER_TAG 0x0e
+#define RELEASE_REASON_PARAMETER_TAG 0x0f
+#define TEI_STATUS_PARAMETER_TAG 0x10
+#define ASP_IDENTIFIER_PARAMETER_TAG 0x11
+#define DLC_STATUS_PARAMETER_TAG 0x12
+
+static const value_string parameter_tag_values[] = {
+ { INT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Integer interface identifier" },
+ { TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Text interface identifier" },
+ { INFO_PARAMETER_TAG, "Info" },
+ { DLCI_PARAMETER_TAG, "DLCI" },
+ { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
+ { INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Integer range interface identifier" },
+ { HEARTBEAT_DATA_PARAMETER_TAG, "Hearbeat data" },
+ { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
+ { ERROR_CODE_PARAMETER_TAG, "Error code" },
+ { STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG, "Status type/identification" },
+ { PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" },
+ { RELEASE_REASON_PARAMETER_TAG, "Reason" },
+ { TEI_STATUS_PARAMETER_TAG, "TEI status" },
+ { ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier"},
+ { DLC_STATUS_PARAMETER_TAG, "DLC status" },
+ { 0, NULL } };
+
+static void
+dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *dua_tree)
+{
+ guint16 tag, length, padding_length;
+ proto_item *parameter_item;
+ proto_tree *parameter_tree;
+
+ /* extract tag and length from the parameter */
+ tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
+ length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
+ padding_length = tvb_length(parameter_tvb) - length;
+
+ /* create proto_tree stuff */
+ parameter_item = proto_tree_add_text(dua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb),
+ val_to_str(tag, parameter_tag_values, "Unknown parameter"));
+ parameter_tree = proto_item_add_subtree(parameter_item, ett_dua_parameter);
+
+ /* add tag and length to the dua tree */
+ proto_tree_add_item(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, NETWORK_BYTE_ORDER);
+
+ switch(tag) {
+ case INT_INTERFACE_IDENTIFIER_PARAMETER_TAG:
+ dissect_int_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG:
+ dissect_text_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case INFO_PARAMETER_TAG:
+ dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case DLCI_PARAMETER_TAG:
+ dissect_dlci_parameter(parameter_tvb, parameter_tree);
+ break;
+ case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
+ dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG:
+ dissect_integer_range_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case HEARTBEAT_DATA_PARAMETER_TAG:
+ dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
+ dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case ERROR_CODE_PARAMETER_TAG:
+ dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG:
+ dissect_status_type_identification_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case PROTOCOL_DATA_PARAMETER_TAG:
+ dissect_protocol_data_parameter(parameter_tvb, parameter_item, pinfo, tree);
+ break;
+ case RELEASE_REASON_PARAMETER_TAG:
+ dissect_release_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case TEI_STATUS_PARAMETER_TAG:
+ dissect_tei_status_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case ASP_IDENTIFIER_PARAMETER_TAG:
+ dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case DLC_STATUS_PARAMETER_TAG:
+ dissect_dlc_status_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ default:
+ dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ };
+
+ if (padding_length > 0)
+ proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER);
+}
+
+static void
+dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *dua_tree)
+{
+ gint offset, length, total_length, remaining_length;
+ tvbuff_t *parameter_tvb;
+
+ offset = 0;
+ while((remaining_length = tvb_length_remaining(parameters_tvb, offset))) {
+ length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
+ total_length = ADD_PADDING(length);
+ if (remaining_length >= length)
+ total_length = MIN(total_length, remaining_length);
+ /* create a tvb for the parameter including the padding bytes */
+ parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
+ dissect_parameter(parameter_tvb, pinfo, tree, dua_tree);
+ /* get rid of the handled parameter */
+ offset += total_length;
+ }
+}
+
+#define VERSION_LENGTH 1
+#define RESERVED_LENGTH 1
+#define MESSAGE_CLASS_LENGTH 1
+#define MESSAGE_TYPE_LENGTH 1
+#define MESSAGE_LENGTH_LENGTH 4
+#define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
+ MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
+
+#define COMMON_HEADER_OFFSET 0
+#define VERSION_OFFSET COMMON_HEADER_OFFSET
+#define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
+#define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
+#define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
+#define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
+#define PARAMETERS_OFFSET (COMMON_HEADER_OFFSET + COMMON_HEADER_LENGTH)
+
+#define PROTOCOL_VERSION_RELEASE_1 1
+
+static const value_string protocol_version_values[] = {
+ { PROTOCOL_VERSION_RELEASE_1, "Release 1" },
+ { 0, NULL } };
+
+#define MESSAGE_CLASS_MGMT_MESSAGE 0
+#define MESSAGE_CLASS_ASPSM_MESSAGE 3
+#define MESSAGE_CLASS_ASPTM_MESSAGE 4
+#define MESSAGE_CLASS_DPTM_MESSAGE 13
+
+static const value_string message_class_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
+ { MESSAGE_CLASS_DPTM_MESSAGE, "DPNSS/DASS2 boundary primitive transport messages" },
+ { 0, NULL } };
+
+/* message types for MGMT messages */
+#define MESSAGE_TYPE_ERR 0
+#define MESSAGE_TYPE_NTFY 1
+#define MESSAGE_TYPE_DLC_STAT_REQ 5
+#define MESSAGE_TYPE_DLC_STAT_CON 6
+#define MESSAGE_TYPE_DLC_STAT_IND 7
+
+/* message types for ASPSM messages */
+#define MESSAGE_TYPE_UP 1
+#define MESSAGE_TYPE_DOWN 2
+#define MESSAGE_TYPE_BEAT 3
+#define MESSAGE_TYPE_UP_ACK 4
+#define MESSAGE_TYPE_DOWN_ACK 5
+#define MESSAGE_TYPE_BEAT_ACK 6
+
+/* message types for ASPTM messages */
+#define MESSAGE_TYPE_ACTIVE 1
+#define MESSAGE_TYPE_INACTIVE 2
+#define MESSAGE_TYPE_ACTIVE_ACK 3
+#define MESSAGE_TYPE_INACTIVE_ACK 4
+
+/* message types for DPTM messages */
+#define MESSAGE_TYPE_DATA_REQUEST 1
+#define MESSAGE_TYPE_DATA_INDICATION 2
+#define MESSAGE_TYPE_ESTABLISH_REQUEST 5
+#define MESSAGE_TYPE_ESTABLISH_CONFIRM 6
+#define MESSAGE_TYPE_ESTABLISH_INDICATION 7
+#define MESSAGE_TYPE_RELEASE_REQUEST 8
+#define MESSAGE_TYPE_RELEASE_CONFIRM 9
+#define MESSAGE_TYPE_RELEASE_INDICATION 10
+
+
+static const value_string message_class_type_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_DLC_STAT_REQ, "DLC status request" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_DLC_STAT_CON, "DLC status confirm" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_DLC_STAT_IND, "DLC status indication" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_REQUEST, "Data request" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_INDICATION, "Data indication" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_REQUEST, "Establish request" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_INDICATION, "Establish indication" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_REQUEST, "Release request" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_CONFIRM, "Release confirmation" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_INDICATION, "Release indication" },
+ { 0, NULL } };
+
+static const value_string message_class_type_acro_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_DLC_STAT_REQ, "DLC_STAT_REQ" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_DLC_STAT_CON, "DLC_STAT_CON" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_DLC_STAT_IND, "DLC_STAT_IND" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_REQUEST, "DATA_REQ" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_INDICATION, "DATA_IND" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_REQUEST, "EST_REQ" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_CONFIRM, "EST_CON" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_INDICATION, "EST_IND" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_REQUEST, "REL_REQ" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_CONFIRM, "REL_CON" },
+ { MESSAGE_CLASS_DPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_INDICATION, "REL_IND" },
+ { 0, NULL } };
+
+static void
+dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *dua_tree)
+{
+ guint8 message_class, message_type;
+
+ message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
+ message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
+
+ if (check_col(pinfo->cinfo, COL_INFO))
+ col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(message_class * 256 + message_type, message_class_type_acro_values, "UNKNOWN"));
+
+ if (dua_tree) {
+ /* add the components of the common header to the protocol tree */
+ proto_tree_add_item(dua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(dua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(dua_tree, hf_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_uint_format(dua_tree, hf_message_type,
+ common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH,
+ message_type, "Message type: %u (%s)",
+ message_type, val_to_str(message_class * 256 + message_type, message_class_type_values, "reserved"));
+ proto_tree_add_item(dua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, NETWORK_BYTE_ORDER);
+ }
+}
+
+static void
+dissect_dua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *dua_tree)
+{
+ tvbuff_t *common_header_tvb, *parameters_tvb;
+
+ common_header_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_OFFSET, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
+ parameters_tvb = tvb_new_subset(message_tvb, PARAMETERS_OFFSET, -1, -1);
+ dissect_common_header(common_header_tvb, pinfo, dua_tree);
+ dissect_parameters(parameters_tvb, pinfo, tree, dua_tree);
+}
+
+static void
+dissect_dua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_item *dua_item;
+ proto_tree *dua_tree;
+
+ /* make entry in the Protocol column on summary display */
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "DUA");
+
+ /* In the interest of speed, if "tree" is NULL, don't do any work not
+ necessary to generate protocol tree items. */
+ if (tree) {
+ /* create the m3ua protocol tree */
+ dua_item = proto_tree_add_item(tree, proto_dua, message_tvb, 0, -1, FALSE);
+ dua_tree = proto_item_add_subtree(dua_item, ett_dua);
+ } else {
+ dua_tree = NULL;
+ };
+ /* dissect the message */
+ dissect_dua_message(message_tvb, pinfo, tree, dua_tree);
+}
+
+/* Register the protocol with Ethereal */
+void
+proto_register_dua(void)
+{
+
+ /* Setup list of header fields */
+ static hf_register_info hf[] = {
+ { &hf_int_interface_id, { "Integer interface identifier", "dua.int_interface_identifier", FT_INT32, BASE_HEX, NULL, 0x0, "", HFILL } },
+ { &hf_text_interface_id, { "Text interface identifier", "dua.text_interface_identifier", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_info_string, { "Info string", "dua.info_string", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_dlci_reserved, { "Reserved", "dua.dlci_reserved", FT_UINT16, BASE_DEC, NULL, RESERVED_BIT_MASK, "", HFILL } },
+ { &hf_dlci_v_bit, { "V-bit", "dua.dlci_v_bit", FT_BOOLEAN, 16, NULL, V_BIT_MASK, "", HFILL } },
+ { &hf_dlci_zero_bit, { "Zero bit", "dua.dlci_zero_bit", FT_BOOLEAN, 16, NULL, ZERO_BIT_MASK, "", HFILL } },
+ { &hf_dlci_channel, { "Channel", "dua.dlci_channel", FT_UINT16, BASE_DEC, NULL, CHANNEL_BIT_MASK, "", HFILL } },
+ { &hf_dlci_one_bit, { "One bit", "dua.dlci_one_bit", FT_BOOLEAN, 16, NULL, ONE_BIT_MASK, "", HFILL } },
+ { &hf_dlci_spare, { "Spare", "dua.dlci_spare", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_diag_info, { "Diagnostic information", "dua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_interface_range_start, { "Start", "dua.interface_range_start", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_interface_range_end, { "End", "dua.interface_range_end", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_heartbeat_data, { "Heartbeat data", "dua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_traffic_mode_type, { "Traffic mode type", "dua.traffic_mode_type", FT_UINT32, BASE_HEX, VALS(traffic_mode_type_values), 0x0, "", HFILL } },
+ { &hf_error_code, { "Error code", "dua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_values), 0x0, "", HFILL } },
+ { &hf_status_type, { "Status type", "dua.status_type", FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0, "", HFILL } },
+ { &hf_status_id, { "Status identification", "dua.status_identification", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_release_reason, { "Reason", "dua.release_reason", FT_UINT32, BASE_HEX, VALS(release_reason_values), 0x0, "", HFILL } },
+ { &hf_tei_status, { "TEI status", "dua.tei_status", FT_UINT32, BASE_HEX, VALS(tei_status_values), 0x0, "", HFILL } },
+ { &hf_asp_id, { "ASP identifier", "dua.asp_identifier", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL } },
+ { &hf_states, { "States", "dua.states", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_parameter_tag, { "Parameter Tag", "dua.parameter_tag", FT_UINT16, BASE_DEC, VALS(parameter_tag_values), 0x0, "", HFILL } },
+ { &hf_parameter_length, { "Parameter length", "dua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_parameter_value, { "Parameter value", "dua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_parameter_padding, { "Parameter padding", "dua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_version, { "Version", "dua.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, "", HFILL } },
+ { &hf_reserved, { "Reserved", "dua.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
+ { &hf_message_class, { "Message class", "dua.message_class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, "", HFILL } },
+ { &hf_message_type, { "Message Type", "dua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_message_length, { "Message length", "dua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
+ };
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_dua,
+ &ett_dua_parameter,
+ };
+
+ /* Register the protocol name and description */
+ proto_dua = proto_register_protocol("DPNSS/DASS2-User Adaptation Layer", "DUA", "dua");
+
+ /* Required function calls to register the header fields and subtrees used */
+ proto_register_field_array(proto_dua, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+}
+
+void
+proto_reg_handoff_dua(void)
+{
+ dissector_handle_t dua_handle;
+
+ dua_handle = create_dissector_handle(dissect_dua, proto_dua);
+ data_handle = find_dissector("data");
+ dissector_add("sctp.ppi", DUA_PAYLOAD_PROTOCOL_ID, dua_handle);
+}
git.samba.org / obnox / wireshark / wip.git / commitdiff