2563 lines
84 KiB
C
2563 lines
84 KiB
C
/* packet-q2931.c
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* Routines for Q.2931 frame disassembly
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* Guy Harris <guy@alum.mit.edu>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/oui.h>
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#include <epan/nlpid.h>
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#include <epan/etypes.h>
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#include <epan/expert.h>
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#include <wsutil/str_util.h>
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#include "packet-q931.h"
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#include "packet-arp.h"
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/*
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* See
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*
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* http://web.archive.org/web/20150408122122/http://www.protocols.com/pbook/atmsig.htm
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*
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* for some information on Q.2931, although, alas, not the actual message
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* type and information element values - those I got from the FreeBSD 3.2
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* ATM code, and from Q.2931 (and Q.931) itself.
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*/
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void proto_register_q2931(void);
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static int proto_q2931 = -1;
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static int hf_q2931_discriminator = -1;
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static int hf_q2931_call_ref_len = -1;
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static int hf_q2931_call_ref_flag = -1;
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static int hf_q2931_call_ref = -1;
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static int hf_q2931_message_type = -1;
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static int hf_q2931_message_type_ext = -1;
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static int hf_q2931_message_flag = -1;
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static int hf_q2931_message_action_indicator = -1;
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static int hf_q2931_message_len = -1;
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static int hf_q2931_ie_handling_instructions = -1;
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static int hf_q2931_ie_coding_standard = -1;
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static int hf_q2931_ie_action_indicator = -1;
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/* Generated from convert_proto_tree_add_text.pl */
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static int hf_q2931_number_bytes = -1;
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static int hf_q2931_conn_id_vci = -1;
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static int hf_q2931_restart_indicator = -1;
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static int hf_q2931_conn_id_vpci = -1;
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static int hf_q2931_bband_low_layer_info_mode = -1;
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static int hf_q2931_cause_rejection_insufficient_information_element = -1;
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static int hf_q2931_bband_low_layer_info_user_info_l3_proto = -1;
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static int hf_q2931_number_string = -1;
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static int hf_q2931_aal1_backward_max_cpcs_sdu_size = -1;
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static int hf_q2931_user_plane_connection_configuration = -1;
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static int hf_q2931_party_subaddr_subaddress = -1;
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static int hf_q2931_aal1_mode = -1;
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static int hf_q2931_cause_location = -1;
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static int hf_q2931_bband_low_layer_info_user_specified_l2_proto = -1;
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static int hf_q2931_information_element = -1;
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static int hf_q2931_conn_id_preferred_exclusive = -1;
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static int hf_q2931_cause_vci = -1;
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static int hf_q2931_cause_information_element = -1;
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static int hf_q2931_oam_traffic_descriptor_backward_f5_flow_indicator = -1;
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static int hf_q2931_cause_rejection_reason = -1;
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static int hf_q2931_ethernet_type = -1;
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static int hf_q2931_cause_value = -1;
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static int hf_q2931_information_element_length = -1;
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static int hf_q2931_cause_rejection_user_specific_diagnostic = -1;
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static int hf_q2931_transit_network_sel_type = -1;
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static int hf_q2931_user_defined_aal_information = -1;
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static int hf_q2931_aal1_forward_max_cpcs_sdu_size = -1;
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static int hf_q2931_atm_transfer_capability = -1;
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static int hf_q2931_aal1_subtype = -1;
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static int hf_q2931_information_element_extension = -1;
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static int hf_q2931_party_subaddr_type_of_subaddress = -1;
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static int hf_q2931_number_plan = -1;
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static int hf_q2931_aal1_error_correction_method = -1;
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static int hf_q2931_call_state = -1;
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static int hf_q2931_bearer_class = -1;
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static int hf_q2931_protocol_id = -1;
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static int hf_q2931_information_element_data = -1;
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static int hf_q2931_aal1_partially_filled_cells_method = -1;
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static int hf_q2931_lane_protocol_id = -1;
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static int hf_q2931_party_subaddr_odd_even_indicator = -1;
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static int hf_q2931_qos_class_backward = -1;
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static int hf_q2931_cause_rejection_condition = -1;
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static int hf_q2931_aal1_source_clock_frequency_recovery_method = -1;
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static int hf_q2931_broadband_repeat_indicator = -1;
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static int hf_q2931_cause_rejection_missing_information_element = -1;
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static int hf_q2931_e2e_transit_delay_maximum_end_to_end = -1;
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static int hf_q2931_endpoint_reference_flag = -1;
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static int hf_q2931_endpoint_reference_identifier_value = -1;
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static int hf_q2931_cause_vpci = -1;
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static int hf_q2931_endpoint_state = -1;
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static int hf_q2931_high_layer_information_type = -1;
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static int hf_q2931_transit_network_sel_network_id = -1;
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static int hf_q2931_aal1_sscs_type = -1;
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static int hf_q2931_bband_low_layer_info_packet_window_size = -1;
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static int hf_q2931_aal1_structured_data_transfer_block_size = -1;
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static int hf_q2931_cause_timer = -1;
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static int hf_q2931_cause_message_type = -1;
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static int hf_q2931_e2e_transit_delay_cumulative = -1;
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static int hf_q2931_oam_traffic_descriptor_shaping_indicator = -1;
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static int hf_q2931_oam_end_to_end_f5_flow = -1;
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static int hf_q2931_oam_traffic_descriptor_forward_f5_flow_indicator = -1;
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static int hf_q2931_organization_code = -1;
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static int hf_q2931_bband_low_layer_info_additional_l3_proto = -1;
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static int hf_q2931_transit_network_sel_plan = -1;
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static int hf_q2931_bband_low_layer_info_user_info_l2_proto = -1;
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static int hf_q2931_aal1_multiplier = -1;
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static int hf_q2931_aal_type = -1;
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static int hf_q2931_aal1_cbr_rate = -1;
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static int hf_q2931_number_type = -1;
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static int hf_q2931_cause_rejection_diagnostic = -1;
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static int hf_q2931_bband_low_layer_info_default_packet_size = -1;
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static int hf_q2931_susceptibility_to_clipping = -1;
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static int hf_q2931_oam_traffic_descriptor_management_indicator = -1;
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static int hf_q2931_qos_class_forward = -1;
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static int hf_q2931_endpoint_reference_type = -1;
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static int hf_q2931_number_presentation_indicator = -1;
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static int hf_q2931_bband_low_layer_info_user_info_l1_proto = -1;
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static int hf_q2931_number_screening_indicator = -1;
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static int hf_q2931_bband_low_layer_info_window_size = -1;
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static int hf_q2931_conn_id_vp_associated_signalling = -1;
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static int hf_q2931_cause_cell_rate_subfield_identifier = -1;
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static int hf_q2931_frame_discard_forward_dir = -1;
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static int hf_q2931_frame_discard_backward_dir = -1;
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static int hf_q2931_tagging_backward_dir = -1;
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static int hf_q2931_tagging_forward_dir = -1;
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static int hf_q2931_midrange = -1;
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static int hf_q2931_cause_network_service = -1;
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static int hf_q2931_cause_network_behavior = -1;
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static int hf_q2931_nsap_address_number_short = -1;
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static int hf_q2931_atm_identifier = -1;
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static int hf_q2931_atm_identifier_value = -1;
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static int hf_q2931_aal_parameter_identifier = -1;
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static int hf_q2931_e2e_transit_delay_identifier = -1;
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static int hf_q2931_bband_sending_complete_id = -1;
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static int hf_q2931_bband_sending_complete = -1;
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static int hf_q2931_locking_codeset = -1;
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static gint ett_q2931 = -1;
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static gint ett_q2931_ext = -1;
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static gint ett_q2931_ie = -1;
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static gint ett_q2931_ie_ext = -1;
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static gint ett_q2931_nsap = -1;
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static expert_field ei_q2931_atm_identifier = EI_INIT;
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static expert_field ei_q2931_aal_parameter_identifier = EI_INIT;
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static expert_field ei_q2931_e2e_transit_delay_identifier = EI_INIT;
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static expert_field ei_q2931_bband_sending_complete_id = EI_INIT;
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static void dissect_q2931_ie(tvbuff_t *tvb, packet_info* pinfo, int offset, int len,
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proto_tree *tree, guint8 info_element, guint8 info_element_ext);
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/*
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* Q.2931 message types.
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*/
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#define Q2931_ALERTING 0x01
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#define Q2931_CALL_PROCEEDING 0x02
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#define Q2931_PROGRESS 0x03
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#define Q2931_SETUP 0x05
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#define Q2931_CONNECT 0x07
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#define Q2931_SETUP_ACK 0x0B
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#define Q2931_CONNECT_ACK 0x0F
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#define Q2931_RESTART 0x46
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#define Q2931_RELEASE 0x4D
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#define Q2931_RESTART_ACK 0x4E
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#define Q2931_RELEASE_COMPLETE 0x5A
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#define Q2931_NOTIFY 0x6E
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#define Q2931_STATUS_ENQUIRY 0x75
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#define Q2931_INFORMATION 0x7B
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#define Q2931_STATUS 0x7D
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#define Q2931_ADD_PARTY 0x80
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#define Q2931_ADD_PARTY_ACK 0x81
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#define Q2931_ADD_PARTY_REJ 0x82
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#define Q2931_DROP_PARTY 0x83
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#define Q2931_DROP_PARTY_ACK 0x84
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#define Q2931_LEAF_SETUP_FAIL 0x90
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#define Q2931_LEAF_SETUP_REQ 0x91
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static const value_string q2931_message_type_vals[] = {
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{ Q2931_ALERTING, "ALERTING" },
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{ Q2931_CALL_PROCEEDING, "CALL PROCEEDING" },
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{ Q2931_PROGRESS, "PROGRESS" },
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{ Q2931_SETUP, "SETUP" },
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{ Q2931_CONNECT, "CONNECT" },
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{ Q2931_SETUP_ACK, "SETUP ACKNOWLEDGE" },
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{ Q2931_CONNECT_ACK, "CONNECT ACKNOWLEDGE" },
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{ Q2931_RESTART, "RESTART" },
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{ Q2931_RELEASE, "RELEASE" },
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{ Q2931_RESTART_ACK, "RESTART ACKNOWLEDGE" },
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{ Q2931_RELEASE_COMPLETE, "RELEASE COMPLETE" },
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{ Q2931_NOTIFY, "NOTIFY" },
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{ Q2931_STATUS_ENQUIRY, "STATUS ENQUIRY" },
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{ Q2931_INFORMATION, "INFORMATION" },
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{ Q2931_STATUS, "STATUS" },
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{ Q2931_ADD_PARTY, "ADD PARTY" },
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{ Q2931_ADD_PARTY_ACK, "ADD PARTY ACKNOWLEDGE" },
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{ Q2931_ADD_PARTY_REJ, "ADD PARTY REJECT" },
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{ Q2931_DROP_PARTY, "DROP PARTY" },
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{ Q2931_DROP_PARTY_ACK, "DROP PARTY ACKNOWLEDGE" },
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{ Q2931_LEAF_SETUP_FAIL, "LEAF SETUP FAILURE" },
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{ Q2931_LEAF_SETUP_REQ, "LEAF SETUP REQUEST" },
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{ 0, NULL }
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};
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static value_string_ext q2931_message_type_vals_ext = VALUE_STRING_EXT_INIT(q2931_message_type_vals);
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static const true_false_string tfs_call_ref_flag = {
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"Message sent to originating side",
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"Message sent from originating side"
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};
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/*
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* Bits in the message type extension.
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*/
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#define Q2931_MSG_TYPE_EXT_FOLLOW_INST 0x10 /* follow instructions in action indicator */
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#define Q2931_MSG_TYPE_EXT_ACTION_IND 0x03 /* said instructions */
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static const true_false_string tos_msg_flag = {
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"Regular error handling procedures apply",
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"Follow explicit error handling instructions"
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};
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static const value_string msg_action_ind_vals[] = {
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{ 0x00, "Clear call" },
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{ 0x01, "Discard and ignore" },
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{ 0x02, "Discard and report status" },
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{ 0x00, NULL }
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};
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/*
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* Bits in the compatibility instruction indicator octet of an
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* information element.
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*/
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#define Q2931_IE_COMPAT_CODING_STD 0x60 /* Coding standard */
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#define Q2931_IE_COMPAT_FOLLOW_INST 0x10 /* follow instructions in action indicator */
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#define Q2931_IE_COMPAT_ACTION_IND 0x07
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/*
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* ITU-standardized coding.
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*/
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#define Q2931_ITU_STANDARDIZED_CODING 0x00
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static const value_string coding_std_vals[] = {
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{ 0x00, "ITU-T standardized coding" },
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{ 0x20, "ISO/IEC standard" },
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{ 0x40, "National standard" },
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{ 0x60, "Standard defined for the network" },
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{ 0, NULL }
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};
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static const value_string ie_action_ind_vals[] = {
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{ 0x00, "Clear call" },
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{ 0x01, "Discard information element and proceed" },
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{ 0x02, "Discard information element, proceed, and report status" },
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{ 0x05, "Discard message, and ignore" },
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{ 0x06, "Discard message, and report status" },
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{ 0x00, NULL }
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};
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/*
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* Information elements.
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*/
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#define Q2931_IE_EXTENSION 0x80 /* Extension flag */
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#define Q2931_IE_NBAND_BEARER_CAP 0x04 /* Narrowband bearer capability */
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#define Q2931_IE_CAUSE 0x08
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#define Q2931_IE_CALL_STATE 0x14
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#define Q2931_IE_PROGRESS_INDICATOR 0x1E
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#define Q2931_IE_NOTIFICATION_INDICATOR 0x27
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#define Q2931_IE_E2E_TRANSIT_DELAY 0x42 /* End-to-end Transit Delay */
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#define Q2931_IE_ENDPOINT_REFERENCE 0x54
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#define Q2931_IE_ENDPOINT_STATE 0x55
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#define Q2931_IE_AAL_PARAMETERS 0x58 /* ATM adaptation layer parameters */
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#define Q2931_IE_ATM_USER_CELL_RATE 0x59 /* ATM traffic descriptor */
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#define Q2931_IE_CONNECTION_IDENTIFIER 0x5A
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#define Q2931_IE_OAM_TRAFFIC_DESCRIPTOR 0x5B
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#define Q2931_IE_QOS_PARAMETER 0x5C /* Quality of Service parameter */
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#define Q2931_IE_BBAND_HI_LAYER_INFO 0x5D /* Broadband high-layer information */
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#define Q2931_IE_BBAND_BEARER_CAP 0x5E /* Broadband bearer capability */
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#define Q2931_IE_BBAND_LOW_LAYER_INFO 0x5F /* Broadband low-layer information */
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#define Q2931_IE_BBAND_LOCKING_SHIFT 0x60 /* Broadband locking shift */
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#define Q2931_IE_BBAND_NLOCKING_SHIFT 0x61 /* Broadband non-locking shift */
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#define Q2931_IE_BBAND_SENDING_COMPL 0x62 /* Broadband sending complete */
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#define Q2931_IE_BBAND_RPT_INDICATOR 0x63 /* Broadband repeat indicator */
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#define Q2931_IE_CALLING_PARTY_NUMBER 0x6C /* Calling Party Number */
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#define Q2931_IE_CALLING_PARTY_SUBADDR 0x6D /* Calling Party Subaddress */
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#define Q2931_IE_CALLED_PARTY_NUMBER 0x70 /* Called Party Number */
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#define Q2931_IE_CALLED_PARTY_SUBADDR 0x71 /* Called Party Subaddress */
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#define Q2931_IE_TRANSIT_NETWORK_SEL 0x78 /* Transit Network Selection */
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#define Q2931_IE_RESTART_INDICATOR 0x79
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#define Q2931_IE_NBAND_LOW_LAYER_COMPAT 0x7C /* Narrowband Low-Layer Compatibility */
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#define Q2931_IE_NBAND_HIGH_LAYER_COMPAT 0x7D /* Narrowband High-Layer Compatibility */
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#define Q2931_IE_GENERIC_IDENT_TRANSPORT 0x7F /* Generic identifier transport */
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static const value_string q2931_info_element_vals[] = {
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{ Q2931_IE_NBAND_BEARER_CAP, "Narrowband bearer capability" },
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{ Q2931_IE_CAUSE, "Cause" },
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{ Q2931_IE_CALL_STATE, "Call state" },
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{ Q2931_IE_PROGRESS_INDICATOR, "Progress indicator" },
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{ Q2931_IE_NOTIFICATION_INDICATOR, "Notification indicator" },
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{ Q2931_IE_E2E_TRANSIT_DELAY, "End-to-end transit delay" },
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{ Q2931_IE_ENDPOINT_REFERENCE, "Endpoint reference" },
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{ Q2931_IE_ENDPOINT_STATE, "Endpoint state" },
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{ Q2931_IE_AAL_PARAMETERS, "AAL parameters" },
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{ Q2931_IE_ATM_USER_CELL_RATE, "ATM user cell rate" },
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{ Q2931_IE_CONNECTION_IDENTIFIER, "Connection identifier" },
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{ Q2931_IE_OAM_TRAFFIC_DESCRIPTOR, "OAM traffic descriptor" },
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{ Q2931_IE_QOS_PARAMETER, "Quality of service parameter" },
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{ Q2931_IE_BBAND_HI_LAYER_INFO, "Broadband high-layer information" },
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{ Q2931_IE_BBAND_BEARER_CAP, "Broadband bearer capability" },
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{ Q2931_IE_BBAND_LOW_LAYER_INFO, "Broadband low-layer information" },
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{ Q2931_IE_BBAND_LOCKING_SHIFT, "Broadband locking shift" },
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{ Q2931_IE_BBAND_NLOCKING_SHIFT, "Broadband non-locking shift" },
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{ Q2931_IE_BBAND_SENDING_COMPL, "Broadband sending complete" },
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{ Q2931_IE_BBAND_RPT_INDICATOR, "Broadband repeat indicator" },
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{ Q2931_IE_CALLING_PARTY_NUMBER, "Calling party number" },
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{ Q2931_IE_CALLING_PARTY_SUBADDR, "Calling party subaddress" },
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{ Q2931_IE_CALLED_PARTY_NUMBER, "Called party number" },
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{ Q2931_IE_CALLED_PARTY_SUBADDR, "Called party subaddress" },
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{ Q2931_IE_TRANSIT_NETWORK_SEL, "Transit network selection" },
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{ Q2931_IE_RESTART_INDICATOR, "Restart indicator" },
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{ Q2931_IE_NBAND_LOW_LAYER_COMPAT, "Narrowband low-layer compatibility" },
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{ Q2931_IE_NBAND_HIGH_LAYER_COMPAT, "Narrowband high-layer compatibility" },
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{ Q2931_IE_GENERIC_IDENT_TRANSPORT, "Generic identifier transport" },
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{ 0, NULL }
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};
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static value_string_ext q2931_info_element_vals_ext = VALUE_STRING_EXT_INIT(q2931_info_element_vals);
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/*
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* Dissect a locking or non-locking shift information element.
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*/
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static const value_string q2931_codeset_vals[] = {
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{ 0x00, "Q.2931 information elements" },
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{ 0x04, "Information elements for ISO/IEC use" },
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{ 0x05, "Information elements for national use" },
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|
{ 0x06, "Information elements specific to the local network" },
|
|
{ 0x07, "User-specific information elements" },
|
|
{ 0x00, NULL },
|
|
};
|
|
|
|
static const true_false_string tfs_q2931_handling_instructions = { "Follow explicit error handling instructions",
|
|
"Regular error handling procedures apply" };
|
|
|
|
static void
|
|
dissect_q2931_shift_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree, guint8 info_element)
|
|
{
|
|
gboolean non_locking_shift;
|
|
guint8 codeset;
|
|
|
|
if (len == 0)
|
|
return;
|
|
non_locking_shift = (info_element == Q2931_IE_BBAND_NLOCKING_SHIFT);
|
|
codeset = tvb_get_guint8(tvb, offset) & 0x07;
|
|
proto_tree_add_uint_format(tree, hf_q2931_locking_codeset, tvb, offset, 1, codeset,
|
|
"%s shift to codeset %u: %s",
|
|
(non_locking_shift ? "Non-locking" : "Locking"),
|
|
codeset, val_to_str(codeset, q2931_codeset_vals, "Unknown (0x%02X)"));
|
|
}
|
|
|
|
/*
|
|
* Dissect an ATM adaptation layer parameters information element.
|
|
*/
|
|
#define Q2931_AAL_VOICE 0x00
|
|
#define Q2931_AAL1 0x01
|
|
#define Q2931_AAL2 0x02
|
|
#define Q2931_AAL3_4 0x03
|
|
#define Q2931_AAL5 0x05
|
|
#define Q2931_USER_DEFINED_AAL 0x10
|
|
|
|
static const value_string q9231_aal_type_vals[] = {
|
|
{ 0x00, "AAL for voice" },
|
|
{ 0x01, "AAL type 1" },
|
|
{ 0x02, "AAL type 2" },
|
|
{ 0x03, "AAL type 3/4" },
|
|
{ 0x05, "AAL type 5" },
|
|
{ 0x10, "User-defined AAL" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string q9231_aal1_subtype_vals[] = {
|
|
{ 0x00, "Null" },
|
|
{ 0x01, "64 kbit/s voice-band signal transport (G.711/G.722)" },
|
|
{ 0x02, "Circuit transport (I.363)" },
|
|
{ 0x03, "Circuit emulation (asynchronous)" },
|
|
{ 0x04, "High-quality audio signal transport (I.363)" },
|
|
{ 0x05, "Video signal transport (I.363)" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
#define Q2931_AAL1_nx64_KBIT_S 0x40
|
|
#define Q2931_AAL1_nx8_KBIT_S 0x41
|
|
|
|
static const value_string q9231_aal1_cbr_rate_vals[] = {
|
|
{ 0x01, "64 kbit/s" },
|
|
{ 0x04, "1544 kbit/s" },
|
|
{ 0x05, "6312 kbit/s" },
|
|
{ 0x06, "32064 kbit/s" },
|
|
{ 0x07, "44736 kbit/s" },
|
|
{ 0x08, "97728 kbit/s" },
|
|
{ 0x10, "2048 kbit/s" },
|
|
{ 0x11, "8448 kibt/s" },
|
|
{ 0x12, "34368 kbit/s" },
|
|
{ 0x13, "139264 kbit/s" },
|
|
{ Q2931_AAL1_nx64_KBIT_S, "nx64 kbit/s" },
|
|
{ Q2931_AAL1_nx8_KBIT_S, "nx8 kbit/s" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const value_string q2931_aal1_src_clk_rec_meth_vals[] = {
|
|
{ 0x00, "Null (synchronous circuit transport)" },
|
|
{ 0x01, "SRTS method (asynchronous circuit transport" },
|
|
{ 0x02, "Adaptive clock method" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const value_string q2931_aal1_err_correction_method_vals[] = {
|
|
{ 0x00, "Null" },
|
|
{ 0x01, "FEC method for less sensitive signal transport" },
|
|
{ 0x02, "FEC method for delay-sensitive signal transport" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const value_string q2931_aal_mode_vals[] = {
|
|
{ 0x01, "Message" },
|
|
{ 0x02, "Streaming" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const value_string q2931_sscs_type_vals[] = {
|
|
{ 0x00, "Null" },
|
|
{ 0x01, "Data SSCS based on SSCOP (assured operation)" },
|
|
{ 0x02, "Data SSCS based on SSCOP (non-assured operation)" },
|
|
{ 0x04, "Frame relay SSCS" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_aal_parameters_ie(tvbuff_t *tvb, packet_info* pinfo, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 aal_type;
|
|
guint8 identifier;
|
|
guint32 value;
|
|
guint32 low_mid, high_mid;
|
|
proto_item* ti;
|
|
|
|
if (len == 0)
|
|
return;
|
|
aal_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_q2931_aal_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
/*
|
|
* Now get the rest of the IE.
|
|
*/
|
|
if (aal_type == 0x40) {
|
|
/*
|
|
* User-defined AAL.
|
|
*/
|
|
if (len > 4)
|
|
len = 4;
|
|
proto_tree_add_item(tree, hf_q2931_user_defined_aal_information, tvb, offset, len, ENC_NA);
|
|
return;
|
|
}
|
|
|
|
while (len >= 0) {
|
|
identifier = tvb_get_guint8(tvb, offset);
|
|
ti = proto_tree_add_item(tree, hf_q2931_aal_parameter_identifier, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
len--;
|
|
switch (identifier) {
|
|
|
|
case 0x85: /* Subtype identifier for AAL1 */
|
|
if (len < 1)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_subtype, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
len--;
|
|
break;
|
|
|
|
case 0x86: /* CBR identifier for AAL1 */
|
|
if (len < 1)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_cbr_rate, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
len--;
|
|
break;
|
|
|
|
case 0x87: /* Multiplier identifier for AAL1 */
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_multiplier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
len -= 2;
|
|
break;
|
|
|
|
case 0x88: /* Source clock frequency recovery method identifier for AAL1 */
|
|
if (len < 1)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_source_clock_frequency_recovery_method, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
len--;
|
|
break;
|
|
|
|
case 0x89: /* Error correction method identifier for AAL1 */
|
|
if (len < 1)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_error_correction_method, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
len--;
|
|
break;
|
|
|
|
case 0x8A: /* Structured data transfer block size identifier for AAL1 */
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_structured_data_transfer_block_size, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
len -= 2;
|
|
break;
|
|
|
|
case 0x8B: /* Partially filled cells identifier for AAL1 */
|
|
if (len < 1)
|
|
return;
|
|
value = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_q2931_aal1_partially_filled_cells_method, tvb, offset, 1,
|
|
value, "%u octets", value);
|
|
offset++;
|
|
len--;
|
|
break;
|
|
|
|
case 0x8C: /* Forward maximum CPCS-SDU size identifier for AAL3/4 and AAL5 */
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_forward_max_cpcs_sdu_size, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
len -= 2;
|
|
break;
|
|
|
|
case 0x81: /* Backward maximum CPCS-SDU size identifier for AAL3/4 and AAL5 */
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_backward_max_cpcs_sdu_size, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
len -= 2;
|
|
break;
|
|
|
|
case 0x82: /* MID range identifier for AAL3/4 */
|
|
if (len < 4)
|
|
return;
|
|
low_mid = tvb_get_ntohs(tvb, offset);
|
|
high_mid = tvb_get_ntohs(tvb, offset + 2);
|
|
proto_tree_add_uint_format_value(tree, hf_q2931_midrange, tvb, offset, 4, tvb_get_ntohl(tvb, offset),
|
|
"%u - %u", low_mid, high_mid);
|
|
offset += 4;
|
|
len -= 4;
|
|
break;
|
|
|
|
case 0x83: /* Mode identifier for AAL3/4 and AAL5 */
|
|
if (len < 1)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_mode, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
len--;
|
|
break;
|
|
|
|
case 0x84: /* SSCS type identifier for AAL3/4 and AAL5 */
|
|
if (len < 1)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_aal1_sscs_type, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
len--;
|
|
break;
|
|
|
|
default: /* unknown AAL parameter */
|
|
expert_add_info(pinfo, ti, &ei_q2931_aal_parameter_identifier);
|
|
return; /* give up */
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dissect an ATM traffic descriptor information element.
|
|
*/
|
|
#define Q2931_ATM_CR_FW_PEAK_CLP_0 0x82 /* Forward peak cell rate (CLP = 0) */
|
|
#define Q2931_ATM_CR_BW_PEAK_CLP_0 0x83 /* Backward peak cell rate (CLP = 0) */
|
|
#define Q2931_ATM_CR_FW_PEAK_CLP_0_1 0x84 /* Forward peak cell rate (CLP = 0 + 1) */
|
|
#define Q2931_ATM_CR_BW_PEAK_CLP_0_1 0x85 /* Backward peak cell rate (CLP = 0 + 1) */
|
|
#define Q2931_ATM_CR_FW_SUST_CLP_0 0x88 /* Forward sustainable cell rate (CLP = 0) */
|
|
#define Q2931_ATM_CR_BW_SUST_CLP_0 0x89 /* Backward sustainable cell rate (CLP = 0) */
|
|
#define Q2931_ATM_CR_FW_SUST_CLP_0_1 0x90 /* Forward sustainable cell rate (CLP = 0 + 1) */
|
|
#define Q2931_ATM_CR_BW_SUST_CLP_0_1 0x91 /* Backward sustainable cell rate (CLP = 0 + 1) */
|
|
#define Q2931_ATM_CR_FW_MAXB_CLP_0 0xA0 /* Forward maximum burst size (CLP = 0) */
|
|
#define Q2931_ATM_CR_BW_MAXB_CLP_0 0xA1 /* Backward maximum burst size (CLP = 0) */
|
|
#define Q2931_ATM_CR_FW_MAXB_CLP_0_1 0xB0 /* Forward maximum burst size (CLP = 0 + 1) */
|
|
#define Q2931_ATM_CR_BW_MAXB_CLP_0_1 0xB1 /* Backward maximum burst size (CLP = 0 + 1) */
|
|
#define Q2931_ATM_CR_BEST_EFFORT_IND 0xBE /* Best effort indicator */
|
|
#define Q2931_ATM_CR_TRAFFIC_MGMT_OPT 0xBF /* Traffic management options */
|
|
|
|
static const value_string q2931_atm_td_subfield_vals[] = {
|
|
{ Q2931_ATM_CR_FW_PEAK_CLP_0, "Forward peak cell rate (CLP = 0)" },
|
|
{ Q2931_ATM_CR_BW_PEAK_CLP_0, "Backward peak cell rate (CLP = 0)" },
|
|
{ Q2931_ATM_CR_FW_PEAK_CLP_0_1, "Forward peak cell rate (CLP = 0 + 1)" },
|
|
{ Q2931_ATM_CR_BW_PEAK_CLP_0_1, "Backward peak cell rate (CLP = 0 + 1)" },
|
|
{ Q2931_ATM_CR_FW_SUST_CLP_0, "Forward sustainable cell rate (CLP = 0)" },
|
|
{ Q2931_ATM_CR_BW_SUST_CLP_0, "Backward sustainable cell rate (CLP = 0)" },
|
|
{ Q2931_ATM_CR_FW_SUST_CLP_0_1, "Forward sustainable cell rate (CLP = 0 + 1)" },
|
|
{ Q2931_ATM_CR_BW_SUST_CLP_0_1, "Backward sustainable cell rate (CLP = 0 + 1)" },
|
|
{ Q2931_ATM_CR_FW_MAXB_CLP_0, "Forward maximum burst size (CLP = 0)" },
|
|
{ Q2931_ATM_CR_BW_MAXB_CLP_0, "Backward maximum burst size (CLP = 0)" },
|
|
{ Q2931_ATM_CR_FW_MAXB_CLP_0_1, "Forward maximum burst size (CLP = 0 + 1)" },
|
|
{ Q2931_ATM_CR_BW_MAXB_CLP_0_1, "Backward maximum burst size (CLP = 0 + 1)" },
|
|
{ Q2931_ATM_CR_BEST_EFFORT_IND, "Best effort indicator" },
|
|
{ Q2931_ATM_CR_TRAFFIC_MGMT_OPT,"Traffic management options" },
|
|
{ 0x0, NULL }
|
|
};
|
|
|
|
static const unit_name_string units_cells_s = { " cell/s", " cells/s" };
|
|
|
|
static void
|
|
dissect_q2931_atm_cell_rate_ie(tvbuff_t *tvb, packet_info* pinfo, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 identifier;
|
|
guint32 value;
|
|
proto_item* ti;
|
|
|
|
while (len >= 0) {
|
|
identifier = tvb_get_guint8(tvb, offset);
|
|
ti = proto_tree_add_item(tree, hf_q2931_atm_identifier, tvb, offset, 1, ENC_NA);
|
|
|
|
switch (identifier) {
|
|
|
|
case Q2931_ATM_CR_FW_PEAK_CLP_0:
|
|
case Q2931_ATM_CR_BW_PEAK_CLP_0:
|
|
case Q2931_ATM_CR_FW_PEAK_CLP_0_1:
|
|
case Q2931_ATM_CR_BW_PEAK_CLP_0_1:
|
|
case Q2931_ATM_CR_FW_SUST_CLP_0:
|
|
case Q2931_ATM_CR_BW_SUST_CLP_0:
|
|
case Q2931_ATM_CR_FW_SUST_CLP_0_1:
|
|
case Q2931_ATM_CR_BW_SUST_CLP_0_1:
|
|
case Q2931_ATM_CR_FW_MAXB_CLP_0:
|
|
case Q2931_ATM_CR_BW_MAXB_CLP_0:
|
|
case Q2931_ATM_CR_FW_MAXB_CLP_0_1:
|
|
case Q2931_ATM_CR_BW_MAXB_CLP_0_1:
|
|
if (len < 4)
|
|
return;
|
|
|
|
value = tvb_get_ntoh24(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_q2931_atm_identifier_value, tvb, offset+3, 3, value);
|
|
offset += 4;
|
|
len -= 4;
|
|
break;
|
|
|
|
case Q2931_ATM_CR_BEST_EFFORT_IND:
|
|
/* Yes, its value *IS* 0xBE.... */
|
|
offset += 1;
|
|
len -= 1;
|
|
break;
|
|
|
|
case Q2931_ATM_CR_TRAFFIC_MGMT_OPT:
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_frame_discard_forward_dir, tvb, offset + 1, 1, ENC_NA);
|
|
proto_tree_add_item(tree, hf_q2931_frame_discard_backward_dir, tvb, offset + 1, 1, ENC_NA);
|
|
proto_tree_add_item(tree, hf_q2931_tagging_backward_dir, tvb, offset + 1, 1, ENC_NA);
|
|
proto_tree_add_item(tree, hf_q2931_tagging_forward_dir, tvb, offset + 1, 1, ENC_NA);
|
|
offset += 2;
|
|
len -= 2;
|
|
break;
|
|
|
|
default: /* unknown ATM traffic descriptor element */
|
|
expert_add_info(pinfo, ti, &ei_q2931_atm_identifier);
|
|
return; /* give up */
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dissect a broadband bearer capability information element.
|
|
*/
|
|
static const value_string q2931_bearer_class_vals[] = {
|
|
{ 0x01, "BCOB-A" },
|
|
{ 0x03, "BCOB-C" },
|
|
{ 0x10, "BCOB-X" },
|
|
{ 0x18, "Transparent VP Service" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const value_string q2931_transfer_capability_vals[] = {
|
|
{ 0x00, "No bit rate indication" },
|
|
{ 0x01, "No bit rate indication, end-to-end timing required" },
|
|
{ 0x02, "No bit rate indication, end-to-end timing not required" },
|
|
{ 0x04, "CBR" },
|
|
{ 0x05, "CBR, end-to-end timing required" },
|
|
{ 0x06, "CBR, end-to-end timing not required" },
|
|
{ 0x07, "CBR with CLR commitment on CLP=0+1" },
|
|
{ 0x08, "VBR, no timing requirements indication" },
|
|
{ 0x09, "Real time VBR" },
|
|
{ 0x0A, "Non-real time VBR" },
|
|
{ 0x0B, "Non-real time VBR with CLR commitment on CLP=0+1" },
|
|
{ 0x0C, "ABR" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const value_string q2931_susc_clip_vals[] = {
|
|
{ 0x00, "Not susceptible to clipping" },
|
|
{ 0x20, "Susceptible to clipping" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const value_string q2931_up_conn_config_vals[] = {
|
|
{ 0x00, "Point-to-point" },
|
|
{ 0x01, "Point-to-multipoint" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_bband_bearer_cap_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 octet;
|
|
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_q2931_bearer_class, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len == 0)
|
|
return;
|
|
if (!(octet & Q2931_IE_EXTENSION)) {
|
|
proto_tree_add_item(tree, hf_q2931_atm_transfer_capability, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
}
|
|
|
|
if (len == 0)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_susceptibility_to_clipping, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_user_plane_connection_configuration, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect a broadband high layer information information element.
|
|
*/
|
|
static const value_string q2931_hi_layer_info_type_vals[] = {
|
|
{ 0x00, "ISO/IEC" },
|
|
{ 0x01, "User-specific" },
|
|
{ 0x03, "Vendor-specific" },
|
|
{ 0x04, "ITU-T SG 1 B-ISDN teleservice recommendation" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_bband_hi_layer_info_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_high_layer_information_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/*offset += 1; */
|
|
/* len -= 1; */
|
|
}
|
|
|
|
/*
|
|
* Dissect a Bearer capability or Low-layer compatibility information element.
|
|
*/
|
|
#define Q2931_UIL2_USER_SPEC 0x10
|
|
|
|
static const value_string q2931_uil2_vals[] = {
|
|
{ 0x01, "Basic mode ISO 1745" },
|
|
{ 0x02, "Q.921/I.441" }, /* LAPD */
|
|
{ 0x06, "X.25, link layer" }, /* LAPB */
|
|
{ 0x07, "X.25 multilink" }, /* or 0x0F? */
|
|
{ 0x08, "T.71 Extended LAPB" },
|
|
{ 0x09, "HDLC ARM" },
|
|
{ 0x0A, "HDLC NRM" },
|
|
{ 0x0B, "HDLC ABM" },
|
|
{ 0x0C, "ISO 8802/2 LLC" },
|
|
{ 0x0D, "X.75 Single Link Procedure" },
|
|
{ 0x0E, "Q.922" },
|
|
{ Q2931_UIL2_USER_SPEC, "User-specified" },
|
|
{ 0x11, "ISO 7776 DTE-DTE operation" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string q2931_mode_vals[] = {
|
|
{ 0x20, "Normal mode" },
|
|
{ 0x40, "Extended mode" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define Q2931_UIL3_X25_PL 0x06
|
|
#define Q2931_UIL3_ISO_8208 0x07 /* X.25-based */
|
|
#define Q2931_UIL3_X223 0x08 /* X.25-based */
|
|
#define Q2931_UIL3_TR_9577 0x0B
|
|
#define Q2931_UIL3_USER_SPEC 0x10
|
|
|
|
static const value_string q2931_uil3_vals[] = {
|
|
{ Q2931_UIL3_X25_PL, "X.25, packet layer" },
|
|
{ Q2931_UIL3_ISO_8208, "ISO/IEC 8208" },
|
|
{ Q2931_UIL3_X223, "X.223/ISO 8878" },
|
|
{ 0x09, "ISO/IEC 8473" },
|
|
{ 0x0A, "T.70" },
|
|
{ Q2931_UIL3_TR_9577, "ISO/IEC TR 9577" },
|
|
{ Q2931_UIL3_USER_SPEC, "User-specified" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string lane_pid_vals[] = {
|
|
{ 0x0001, "LE Configuration Direct/Control Direct/Control Distribute" },
|
|
{ 0x0002, "Ethernet/IEEE 002.3 LE Data Direct" },
|
|
{ 0x0003, "IEEE 802.5 LE Data Direct" },
|
|
{ 0x0004, "Ethernet/IEEE 802.3 LE Multicast Send/Multicast Forward" },
|
|
{ 0x0005, "IEEE 802.5 LE Multicast Send/Multicast Forward" },
|
|
{ 0, NULL },
|
|
};
|
|
|
|
/*
|
|
* Dissect a broadband low layer information information element.
|
|
*/
|
|
static void
|
|
dissect_q2931_bband_low_layer_info_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 octet;
|
|
guint8 uil2_protocol;
|
|
guint8 uil3_protocol;
|
|
guint8 add_l3_info;
|
|
guint32 organization_code;
|
|
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
if ((octet & 0x60) == 0x20) {
|
|
/*
|
|
* Layer 1 information.
|
|
*/
|
|
proto_tree_add_item(tree, hf_q2931_bband_low_layer_info_user_info_l1_proto, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
}
|
|
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
if ((octet & 0x60) == 0x40) {
|
|
/*
|
|
* Layer 2 information.
|
|
*/
|
|
uil2_protocol = octet & 0x1F;
|
|
proto_tree_add_item(tree, hf_q2931_bband_low_layer_info_user_info_l2_proto, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (octet & Q2931_IE_EXTENSION)
|
|
goto l2_done;
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
if (uil2_protocol == Q2931_UIL2_USER_SPEC) {
|
|
proto_tree_add_item(tree, hf_q2931_bband_low_layer_info_user_specified_l2_proto, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
} else {
|
|
proto_tree_add_item(tree, hf_q2931_bband_low_layer_info_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (octet & Q2931_IE_EXTENSION)
|
|
goto l2_done;
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint_format_value(tree, hf_q2931_bband_low_layer_info_window_size, tvb, offset, 1,
|
|
octet & 0x7F, "%u k", octet & 0x7F);
|
|
offset += 1;
|
|
len -= 1;
|
|
}
|
|
l2_done:
|
|
;
|
|
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
if ((octet & 0x60) == 0x60) {
|
|
/*
|
|
* Layer 3 information.
|
|
*/
|
|
uil3_protocol = octet & 0x1F;
|
|
proto_tree_add_item(tree, hf_q2931_bband_low_layer_info_user_info_l3_proto, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
|
|
/*
|
|
* XXX - only in Low-layer compatibility information element.
|
|
*/
|
|
if (octet & Q2931_IE_EXTENSION)
|
|
goto l3_done;
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
switch (uil3_protocol) {
|
|
|
|
case Q2931_UIL3_X25_PL:
|
|
case Q2931_UIL3_ISO_8208:
|
|
case Q2931_UIL3_X223:
|
|
proto_tree_add_item(tree, hf_q2931_bband_low_layer_info_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (octet & Q2931_IE_EXTENSION)
|
|
goto l3_done;
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_q2931_bband_low_layer_info_default_packet_size, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (octet & Q2931_IE_EXTENSION)
|
|
goto l3_done;
|
|
if (len == 0)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_bband_low_layer_info_packet_window_size, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/*offset += 1;*/
|
|
/*len -= 1;*/
|
|
break;
|
|
|
|
case Q2931_UIL3_USER_SPEC:
|
|
proto_tree_add_uint(tree, hf_q2931_bband_low_layer_info_default_packet_size, tvb, offset, 1, 1 << (octet & 0x0F));
|
|
/*offset += 1;*/
|
|
/*len -= 1;*/
|
|
break;
|
|
|
|
case Q2931_UIL3_TR_9577:
|
|
add_l3_info = (octet & 0x7F) << 1;
|
|
if (octet & Q2931_IE_EXTENSION)
|
|
goto l3_done;
|
|
if (len < 2)
|
|
return;
|
|
add_l3_info |= (tvb_get_guint8(tvb, offset + 1) & 0x40) >> 6;
|
|
proto_tree_add_uint(tree, hf_q2931_bband_low_layer_info_additional_l3_proto, tvb, offset, 2, add_l3_info);
|
|
offset += 2;
|
|
len -= 2;
|
|
if (add_l3_info == NLPID_SNAP) {
|
|
if (len < 6)
|
|
return;
|
|
offset += 1;
|
|
/*len -= 1;*/
|
|
organization_code = tvb_get_ntoh24(tvb, offset);
|
|
proto_tree_add_item(tree, hf_q2931_organization_code, tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
offset += 3;
|
|
/*len -= 3;*/
|
|
|
|
switch (organization_code) {
|
|
|
|
case OUI_ENCAP_ETHER:
|
|
proto_tree_add_item(tree, hf_q2931_ethernet_type, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case OUI_ATM_FORUM:
|
|
proto_tree_add_item(tree, hf_q2931_lane_protocol_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_item(tree, hf_q2931_protocol_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
l3_done:
|
|
;
|
|
}
|
|
|
|
/*
|
|
* Dissect a Cause information element.
|
|
*/
|
|
static const value_string q2931_cause_location_vals[] = {
|
|
{ 0x00, "User (U)" },
|
|
{ 0x01, "Private network serving the local user (LPN)" },
|
|
{ 0x02, "Public network serving the local user (LN)" },
|
|
{ 0x03, "Transit network (TN)" },
|
|
{ 0x04, "Public network serving the remote user (RLN)" },
|
|
{ 0x05, "Private network serving the remote user (RPN)" },
|
|
{ 0x07, "International network (INTL)" },
|
|
{ 0x0A, "Network beyond interworking point (BI)" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/*
|
|
* Cause codes for Cause.
|
|
*/
|
|
#define Q2931_CAUSE_UNALLOC_NUMBER 0x01
|
|
#define Q2931_CAUSE_NO_ROUTE_TO_DEST 0x03
|
|
#define Q2931_CAUSE_CALL_REJECTED 0x15
|
|
#define Q2931_CAUSE_NUMBER_CHANGED 0x16
|
|
#define Q2931_CAUSE_CELL_RATE_UNAVAIL 0x25
|
|
#define Q2931_CAUSE_ACCESS_INFO_DISC 0x2B
|
|
#define Q2931_CAUSE_QOS_UNAVAILABLE 0x31
|
|
#define Q2931_CAUSE_CHAN_NONEXISTENT 0x52
|
|
#define Q2931_CAUSE_INCOMPATIBLE_DEST 0x58
|
|
#define Q2931_CAUSE_MAND_IE_MISSING 0x60
|
|
#define Q2931_CAUSE_MT_NONEX_OR_UNIMPL 0x61
|
|
#define Q2931_CAUSE_IE_NONEX_OR_UNIMPL 0x63
|
|
#define Q2931_CAUSE_INVALID_IE_CONTENTS 0x64
|
|
#define Q2931_CAUSE_MSG_INCOMPAT_W_CS 0x65
|
|
#define Q2931_CAUSE_REC_TIMER_EXP 0x66
|
|
|
|
static const value_string q2931_cause_code_vals[] = {
|
|
{ Q2931_CAUSE_UNALLOC_NUMBER, "Unallocated (unassigned) number" },
|
|
{ 0x02, "No route to specified transit network" },
|
|
{ Q2931_CAUSE_NO_ROUTE_TO_DEST, "No route to destination" },
|
|
{ 0x04, "Send special information tone" },
|
|
{ 0x05, "Misdialled trunk prefix" },
|
|
{ 0x06, "Channel unacceptable" },
|
|
{ 0x07, "Call awarded and being delivered in an established channel" },
|
|
{ 0x08, "Preemption" },
|
|
{ 0x09, "Preemption - circuit reserved for reuse" },
|
|
{ 0x0E, "QoR: ported number" },
|
|
{ 0x10, "Normal call clearing" },
|
|
{ 0x11, "User busy" },
|
|
{ 0x12, "No user responding" },
|
|
{ 0x13, "No answer from user (user alerted)" },
|
|
{ 0x14, "Subscriber absent" },
|
|
{ Q2931_CAUSE_CALL_REJECTED, "Call rejected" },
|
|
{ Q2931_CAUSE_NUMBER_CHANGED, "Number changed" },
|
|
{ 0x17, "Redirection to new destination" },
|
|
{ 0x18, "Call rejected due to feature at the destination" },
|
|
{ 0x19, "Exchange routing error" },
|
|
{ 0x1A, "Non-selected user clearing" },
|
|
{ 0x1B, "Destination out of order" },
|
|
{ 0x1C, "Invalid number format (incomplete number)" },
|
|
{ 0x1E, "Response to STATUS ENQUIRY" },
|
|
{ 0x1F, "Normal unspecified" },
|
|
{ 0x20, "Too many pending add party request" },
|
|
{ 0x23, "Requested VPCI/VCI not available" },
|
|
{ 0x24, "VPCI/VCI assignment failure" },
|
|
{ Q2931_CAUSE_CELL_RATE_UNAVAIL,"User cell rate not available" },
|
|
{ 0x26, "Network out of order" },
|
|
{ 0x27, "Permanent frame mode connection out of service" },
|
|
{ 0x28, "Permanent frame mode connection operational" },
|
|
{ 0x29, "Temporary failure" },
|
|
{ 0x2A, "Switching equipment congestion" },
|
|
{ Q2931_CAUSE_ACCESS_INFO_DISC, "Access information discarded" },
|
|
{ 0x2C, "Requested circuit/channel not available" },
|
|
{ 0x2D, "No VPCI/VCI available" },
|
|
{ 0x2F, "Resources unavailable, unspecified" },
|
|
{ Q2931_CAUSE_QOS_UNAVAILABLE, "Quality of service unavailable" },
|
|
{ 0x32, "Requested facility not subscribed" },
|
|
{ 0x35, "Outgoing calls barred within CUG" },
|
|
{ 0x37, "Incoming calls barred within CUG" },
|
|
{ 0x39, "Bearer capability not authorized" },
|
|
{ 0x3A, "Bearer capability not presently available" },
|
|
{ 0x3E, "Inconsistency in designated outgoing access information and subscriber class" },
|
|
{ 0x3F, "Service or option not available, unspecified" },
|
|
{ 0x41, "Bearer capability not implemented" },
|
|
{ 0x42, "Channel type not implemented" },
|
|
{ 0x45, "Requested facility not implemented" },
|
|
{ 0x46, "Only restricted digital information bearer capability is available" },
|
|
{ 0x49, "Unsupported combination of traffic parameters" },
|
|
{ 0x4E, "AAL parameters cannot be supported" },
|
|
{ 0x4F, "Service or option not implemented, unspecified" },
|
|
{ 0x51, "Invalid call reference value" },
|
|
{ Q2931_CAUSE_CHAN_NONEXISTENT, "Identified channel does not exist" },
|
|
{ 0x53, "Call identity does not exist for suspended call" },
|
|
{ 0x54, "Call identity in use" },
|
|
{ 0x55, "No call suspended" },
|
|
{ 0x56, "Call having the requested call identity has been cleared" },
|
|
{ 0x57, "Called user not member of CUG" },
|
|
{ Q2931_CAUSE_INCOMPATIBLE_DEST,"Incompatible destination" },
|
|
{ 0x59, "Invalid endpoint reference" },
|
|
{ 0x5A, "Non-existent CUG" },
|
|
{ 0x5B, "Invalid transit network selection" },
|
|
{ 0x5C, "Too many pending ADD PARTY requests" },
|
|
{ 0x5D, "AAL parameters cannot be supported" },
|
|
{ 0x5F, "Invalid message, unspecified" },
|
|
{ Q2931_CAUSE_MAND_IE_MISSING, "Mandatory information element is missing" },
|
|
{ Q2931_CAUSE_MT_NONEX_OR_UNIMPL,"Message type non-existent or not implemented" },
|
|
{ 0x62, "Message not compatible with call state or message type non-existent or not implemented" },
|
|
{ Q2931_CAUSE_IE_NONEX_OR_UNIMPL,"Information element non-existent or not implemented" },
|
|
{ Q2931_CAUSE_INVALID_IE_CONTENTS,"Invalid information element contents" },
|
|
{ Q2931_CAUSE_MSG_INCOMPAT_W_CS,"Message not compatible with call state" },
|
|
{ Q2931_CAUSE_REC_TIMER_EXP, "Recovery on timer expiry" },
|
|
{ 0x67, "Parameter non-existent or not implemented - passed on" },
|
|
{ 0x68, "Incorrect message length" },
|
|
{ 0x6E, "Message with unrecognized parameter discarded" },
|
|
{ 0x6F, "Protocol error, unspecified" },
|
|
{ 0x7F, "Internetworking, unspecified" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static value_string_ext q2931_cause_code_vals_ext = VALUE_STRING_EXT_INIT(q2931_cause_code_vals);
|
|
|
|
static const value_string q2931_cause_condition_vals[] = {
|
|
{ 0x00, "Unknown" },
|
|
{ 0x01, "Permanent" },
|
|
{ 0x02, "Transient" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
#define Q2931_REJ_USER_SPECIFIC 0x00
|
|
#define Q2931_REJ_IE_MISSING 0x04
|
|
#define Q2931_REJ_IE_INSUFFICIENT 0x08
|
|
|
|
static const value_string q2931_rejection_reason_vals[] = {
|
|
{ 0x00, "User specific" },
|
|
{ 0x04, "Information element missing" },
|
|
{ 0x08, "Information element contents are not sufficient" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const true_false_string tfs_abnormal_normal = { "Abnormal", "Normal" };
|
|
|
|
static void
|
|
dissect_q2931_cause_ie(tvbuff_t *tvb, packet_info* pinfo, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 octet;
|
|
guint8 cause_value;
|
|
guint8 rejection_reason;
|
|
guint8 info_element;
|
|
guint8 info_element_ext;
|
|
guint16 info_element_len;
|
|
|
|
if (len == 0)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_cause_location, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
cause_value = octet & 0x7F;
|
|
proto_tree_add_item(tree, hf_q2931_cause_value, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len == 0)
|
|
return;
|
|
switch (cause_value) {
|
|
|
|
case Q2931_CAUSE_UNALLOC_NUMBER:
|
|
case Q2931_CAUSE_NO_ROUTE_TO_DEST:
|
|
case Q2931_CAUSE_QOS_UNAVAILABLE:
|
|
proto_tree_add_item(tree, hf_q2931_cause_network_service, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item(tree, hf_q2931_cause_network_behavior, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item(tree, hf_q2931_cause_rejection_condition, tvb, offset, 1, ENC_NA);
|
|
break;
|
|
|
|
case Q2931_CAUSE_CALL_REJECTED:
|
|
rejection_reason = octet & 0x7C;
|
|
proto_tree_add_item(tree, hf_q2931_cause_rejection_reason, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_cause_rejection_condition, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len == 0)
|
|
return;
|
|
switch (rejection_reason) {
|
|
|
|
case Q2931_REJ_USER_SPECIFIC:
|
|
proto_tree_add_item(tree, hf_q2931_cause_rejection_user_specific_diagnostic, tvb, offset, len, ENC_NA);
|
|
break;
|
|
|
|
case Q2931_REJ_IE_MISSING:
|
|
proto_tree_add_item(tree, hf_q2931_cause_rejection_missing_information_element, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case Q2931_REJ_IE_INSUFFICIENT:
|
|
proto_tree_add_item(tree, hf_q2931_cause_rejection_insufficient_information_element, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_item(tree, hf_q2931_cause_rejection_diagnostic, tvb, offset, len, ENC_NA);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case Q2931_CAUSE_NUMBER_CHANGED:
|
|
/*
|
|
* UNI 3.1 claims this "is formatted as the called party
|
|
* number information element, including information
|
|
* element identifier.
|
|
*/
|
|
info_element = tvb_get_guint8(tvb, offset);
|
|
info_element_ext = tvb_get_guint8(tvb, offset + 1);
|
|
info_element_len = tvb_get_ntohs(tvb, offset + 2);
|
|
dissect_q2931_ie(tvb, pinfo, offset, info_element_len, tree,
|
|
info_element, info_element_ext);
|
|
break;
|
|
|
|
case Q2931_CAUSE_ACCESS_INFO_DISC:
|
|
case Q2931_CAUSE_INCOMPATIBLE_DEST:
|
|
case Q2931_CAUSE_MAND_IE_MISSING:
|
|
case Q2931_CAUSE_IE_NONEX_OR_UNIMPL:
|
|
case Q2931_CAUSE_INVALID_IE_CONTENTS:
|
|
do {
|
|
proto_tree_add_item(tree, hf_q2931_cause_information_element, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
} while (len >= 0);
|
|
break;
|
|
|
|
case Q2931_CAUSE_CELL_RATE_UNAVAIL:
|
|
do {
|
|
proto_tree_add_item(tree, hf_q2931_cause_cell_rate_subfield_identifier, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
} while (len >= 0);
|
|
break;
|
|
|
|
case Q2931_CAUSE_CHAN_NONEXISTENT:
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_cause_vpci, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
len -= 2;
|
|
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_cause_vci, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case Q2931_CAUSE_MT_NONEX_OR_UNIMPL:
|
|
case Q2931_CAUSE_MSG_INCOMPAT_W_CS:
|
|
proto_tree_add_item(tree, hf_q2931_cause_message_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case Q2931_CAUSE_REC_TIMER_EXP:
|
|
if (len < 3)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_cause_timer, tvb, offset, 3, ENC_ASCII);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_item(tree, hf_q2931_cause_rejection_diagnostic, tvb, offset, len, ENC_NA);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dissect a Call state information element.
|
|
*/
|
|
static const value_string q2931_call_state_vals[] = {
|
|
{ 0x00, "Null" },
|
|
{ 0x01, "Call initiated" },
|
|
{ 0x02, "Overlap sending" },
|
|
{ 0x03, "Outgoing call proceeding" },
|
|
{ 0x04, "Call delivered" },
|
|
{ 0x06, "Call present" },
|
|
{ 0x07, "Call received" },
|
|
{ 0x09, "Connect request" },
|
|
{ 0x0A, "Incoming call proceeding" },
|
|
{ 0x0B, "Active" },
|
|
{ 0x0C, "Disconnect request" },
|
|
{ 0x0F, "Disconnect indication" },
|
|
{ 0x11, "Suspend request" },
|
|
{ 0x13, "Resume request" },
|
|
{ 0x16, "Release request" },
|
|
{ 0x19, "Overlap receiving" },
|
|
{ 0x3D, "Restart request" },
|
|
{ 0x3E, "Restart" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_call_state_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_call_state, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect a (phone) number information element.
|
|
*/
|
|
static const value_string q2931_number_type_vals[] = {
|
|
{ 0x00, "Unknown" },
|
|
{ 0x10, "International number" },
|
|
{ 0x20, "National number" },
|
|
{ 0x30, "Network specific number" },
|
|
{ 0x40, "Subscriber number" },
|
|
{ 0x60, "Abbreviated number" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define Q2931_ISDN_NUMBERING 0x01
|
|
#define Q2931_NSAP_ADDRESSING 0x02
|
|
|
|
static const value_string q2931_numbering_plan_vals[] = {
|
|
{ 0x00, "Unknown" },
|
|
{ Q2931_ISDN_NUMBERING, "E.164 ISDN/telephony numbering" },
|
|
{ Q2931_NSAP_ADDRESSING, "ISO/IEC 8348 NSAP addressing" },
|
|
{ 0x09, "Private numbering" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string q2931_presentation_indicator_vals[] = {
|
|
{ 0x00, "Presentation allowed" },
|
|
{ 0x20, "Presentation restricted" },
|
|
{ 0x40, "Number not available" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string q2931_screening_indicator_vals[] = {
|
|
{ 0x00, "User-provided, not screened" },
|
|
{ 0x01, "User-provided, verified and passed" },
|
|
{ 0x02, "User-provided, verified and failed" },
|
|
{ 0x03, "Network-provided" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_number_ie(tvbuff_t *tvb, packet_info* pinfo, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 octet;
|
|
guint8 numbering_plan;
|
|
proto_tree *nsap_tree;
|
|
|
|
if (len == 0)
|
|
return;
|
|
octet = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_q2931_number_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
numbering_plan = octet & 0x0F;
|
|
proto_tree_add_item(tree, hf_q2931_number_plan, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (!(octet & Q2931_IE_EXTENSION)) {
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_number_presentation_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_number_screening_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
}
|
|
|
|
if (len == 0)
|
|
return;
|
|
switch (numbering_plan) {
|
|
|
|
case Q2931_ISDN_NUMBERING:
|
|
proto_tree_add_item(tree, hf_q2931_number_string, tvb, offset, len, ENC_ASCII);
|
|
break;
|
|
|
|
case Q2931_NSAP_ADDRESSING:
|
|
if (len < 20) {
|
|
proto_tree_add_item(tree, hf_q2931_nsap_address_number_short, tvb, offset, len, ENC_NA);
|
|
return;
|
|
}
|
|
nsap_tree = proto_tree_add_subtree(tree, tvb, offset, len, ett_q2931_nsap, NULL, "Number");
|
|
dissect_atm_nsap(tvb, pinfo, offset, len, nsap_tree);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_item(tree, hf_q2931_number_bytes, tvb, offset, len, ENC_NA);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dissect a party subaddress information element.
|
|
*/
|
|
static const value_string q2931_subaddress_type_vals[] = {
|
|
{ 0x00, "X.213/ISO 8348 NSAP" },
|
|
{ 0x10, "User-specified ATM endsystem address" },
|
|
{ 0x20, "User-specified" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string q2931_odd_even_indicator_vals[] = {
|
|
{ 0x00, "Even number of address signals" },
|
|
{ 0x10, "Odd number of address signals" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_party_subaddr_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_party_subaddr_type_of_subaddress, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_party_subaddr_odd_even_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len == 0)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_party_subaddr_subaddress, tvb, offset, len, ENC_NA);
|
|
}
|
|
|
|
/*
|
|
* Dissect a connection identifier information element.
|
|
*/
|
|
static const value_string q2931_vp_associated_signalling_vals[] = {
|
|
{ 0x00, "Yes" },
|
|
{ 0x08, "No - explicit indication of VPCI" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static const value_string q2931_preferred_exclusive_vals[] = {
|
|
{ 0x00, "Exclusive VPCI; exclusive VCI" },
|
|
{ 0x01, "Exclusive VPCI; any VCI" },
|
|
{ 0x04, "Exclusive VPCI; no VCI" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_connection_identifier_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_conn_id_vp_associated_signalling, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_conn_id_preferred_exclusive, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_conn_id_vpci, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
len -= 2;
|
|
|
|
if (len < 2)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_conn_id_vci, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect an End-to-end transit delay information element.
|
|
*/
|
|
static void
|
|
dissect_q2931_e2e_transit_delay_ie(tvbuff_t *tvb, packet_info* pinfo, int offset, int len, proto_tree *tree)
|
|
{
|
|
guint8 identifier;
|
|
guint16 value;
|
|
proto_item* ti;
|
|
|
|
while (len >= 3) {
|
|
ti = proto_tree_add_item(tree, hf_q2931_e2e_transit_delay_identifier, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
identifier = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
value = tvb_get_ntohs(tvb, offset);
|
|
len -=3;
|
|
switch (identifier) {
|
|
|
|
case 0x01: /* Cumulative transit delay identifier */
|
|
proto_tree_add_uint(tree, hf_q2931_e2e_transit_delay_cumulative, tvb, offset, 2, value);
|
|
break;
|
|
|
|
case 0x03: /* Maximum transit delay identifier */
|
|
if (value == 0xFFFF) {
|
|
proto_tree_add_uint_format_value(tree, hf_q2931_e2e_transit_delay_maximum_end_to_end, tvb, offset, 2,
|
|
value, "Any end-to-end transit delay value acceptable");
|
|
} else {
|
|
proto_tree_add_uint_format_value(tree, hf_q2931_e2e_transit_delay_maximum_end_to_end, tvb, offset, 2,
|
|
value, "%u ms", value);
|
|
}
|
|
break;
|
|
|
|
default: /* Unknown transit delay identifier */
|
|
expert_add_info(pinfo, ti, &ei_q2931_e2e_transit_delay_identifier);
|
|
return; /* give up */
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dissect a Quality of Service parameter information element.
|
|
*/
|
|
static const value_string q2931_qos_parameter_vals[] = {
|
|
{ 0x00, "Unspecified QOS class" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_qos_parameter_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_qos_class_forward, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len == 0)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_qos_class_backward, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect a broadband repeat indicator.
|
|
*/
|
|
static const value_string q2931_bband_rpt_indicator_vals[] = {
|
|
{ 0x02, "Prioritized list for selecting one possibility (descending order)" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_bband_rpt_indicator(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_broadband_repeat_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect a restart indicator.
|
|
*/
|
|
static const value_string q2931_class_vals[] = {
|
|
{ 0x00, "Indicated VC" },
|
|
{ 0x01, "All VC's in the indicated VPC controlled via this channel" },
|
|
{ 0x02, "All VC's controlled by the L3 entity that sent this message" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_restart_indicator(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_restart_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect an broadband sending complete information element.
|
|
*/
|
|
static void
|
|
dissect_q2931_bband_sending_compl_ie(tvbuff_t *tvb, packet_info* pinfo, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
guint8 identifier;
|
|
proto_item* ti;
|
|
|
|
while (len >= 0) {
|
|
ti = proto_tree_add_item(tree, hf_q2931_bband_sending_complete_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
identifier = tvb_get_guint8(tvb, offset);
|
|
switch (identifier) {
|
|
|
|
case 0xA1: /* Sending complete indication */
|
|
proto_tree_add_item(tree, hf_q2931_bband_sending_complete, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
len -= 1;
|
|
break;
|
|
|
|
default: /* unknown broadband sending complete element */
|
|
expert_add_info(pinfo, ti, &ei_q2931_bband_sending_complete_id);
|
|
return; /* give up */
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dissect a Transit network selection information element.
|
|
*/
|
|
static const value_string q2931_netid_type_vals[] = {
|
|
{ 0x00, "User specified" },
|
|
{ 0x20, "National network identification" },
|
|
{ 0x30, "International network identification" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string q2931_netid_plan_vals[] = {
|
|
{ 0x00, "Unknown" },
|
|
{ 0x01, "Carrier Identification Code" },
|
|
{ 0x03, "X.121 data network identification code" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_transit_network_sel_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_transit_network_sel_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_transit_network_sel_plan, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len == 0)
|
|
return;
|
|
proto_tree_add_item(tree, hf_q2931_transit_network_sel_network_id, tvb, offset, len, ENC_NA|ENC_ASCII);
|
|
}
|
|
|
|
/*
|
|
* Dissect an OAM traffic descriptor information element.
|
|
*/
|
|
static const value_string q2931_shaping_indicator_vals[] = {
|
|
{ 0x00, "No user specified requirement" },
|
|
{ 0x20, "Aggregate shaping of user and OAM cells not allowed" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string q2931_user_net_fault_mgmt_vals[] = {
|
|
{ 0x00, "No user-originated fault management indications" },
|
|
{ 0x01, "User-originated fault management indications, cell rate 1 cell/s" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string q2931_fwd_e2e_oam_f5_flow_indicator_vals[] = {
|
|
{ 0x00, "0% of the forward cell rate" },
|
|
{ 0x10, "0.1% of the forward cell rate" },
|
|
{ 0x40, "1% of the forward cell rate" },
|
|
{ 0x0, NULL }
|
|
};
|
|
|
|
static const value_string q2931_bwd_e2e_oam_f5_flow_indicator_vals[] = {
|
|
{ 0x00, "0% of the backward cell rate" },
|
|
{ 0x01, "0.1% of the backward cell rate" },
|
|
{ 0x04, "1% of the backward cell rate" },
|
|
{ 0x0, NULL }
|
|
};
|
|
|
|
static const true_false_string tfs_mandatory_optional = { "Mandatory", "Optional" };
|
|
|
|
static void
|
|
dissect_q2931_oam_traffic_descriptor_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_oam_traffic_descriptor_shaping_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_oam_end_to_end_f5_flow, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_oam_traffic_descriptor_management_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_oam_traffic_descriptor_forward_f5_flow_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_oam_traffic_descriptor_backward_f5_flow_indicator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect an Endpoint reference information element.
|
|
*/
|
|
static const value_string q2931_endpoint_reference_type_vals[] = {
|
|
{ 0x00, "Locally defined integer" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const true_false_string tfs_endpoint_reference_flag = { "Message sent to side that originates the endpoint reference",
|
|
"Message sent from side that originates the endpoint reference" };
|
|
|
|
static void
|
|
dissect_q2931_endpoint_reference_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_endpoint_reference_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
len -= 1;
|
|
|
|
if (len < 2)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_endpoint_reference_flag, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_q2931_endpoint_reference_identifier_value, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect an Endpoint state information element.
|
|
*/
|
|
static const value_string q2931_endpoint_reference_party_state_vals[] = {
|
|
{ 0x00, "Null" },
|
|
{ 0x01, "ADD PARTY initiated" },
|
|
{ 0x06, "ADD PARTY received" },
|
|
{ 0x0B, "DROP PARTY initiated" },
|
|
{ 0x0C, "DROP PARTY received" },
|
|
{ 0x0A, "Active" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void
|
|
dissect_q2931_endpoint_state_ie(tvbuff_t *tvb, int offset, int len,
|
|
proto_tree *tree)
|
|
{
|
|
if (len == 0)
|
|
return;
|
|
|
|
proto_tree_add_item(tree, hf_q2931_endpoint_state, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
static void
|
|
dissect_q2931_ie_contents(tvbuff_t *tvb, packet_info* pinfo, int offset, int len,
|
|
proto_tree *tree, guint8 info_element)
|
|
{
|
|
switch (info_element) {
|
|
|
|
case Q2931_IE_BBAND_LOCKING_SHIFT:
|
|
case Q2931_IE_BBAND_NLOCKING_SHIFT:
|
|
dissect_q2931_shift_ie(tvb, offset, len, tree, info_element);
|
|
break;
|
|
|
|
case Q2931_IE_NBAND_BEARER_CAP:
|
|
case Q2931_IE_NBAND_LOW_LAYER_COMPAT:
|
|
dissect_q931_bearer_capability_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_NBAND_HIGH_LAYER_COMPAT:
|
|
dissect_q931_high_layer_compat_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_PROGRESS_INDICATOR:
|
|
dissect_q931_progress_indicator_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_AAL_PARAMETERS:
|
|
dissect_q2931_aal_parameters_ie(tvb, pinfo, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_ATM_USER_CELL_RATE:
|
|
dissect_q2931_atm_cell_rate_ie(tvb, pinfo, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_BBAND_BEARER_CAP:
|
|
dissect_q2931_bband_bearer_cap_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_BBAND_HI_LAYER_INFO:
|
|
dissect_q2931_bband_hi_layer_info_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_BBAND_LOW_LAYER_INFO:
|
|
dissect_q2931_bband_low_layer_info_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_CALL_STATE:
|
|
dissect_q2931_call_state_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_CALLED_PARTY_NUMBER:
|
|
case Q2931_IE_CALLING_PARTY_NUMBER:
|
|
dissect_q2931_number_ie(tvb, pinfo, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_CALLED_PARTY_SUBADDR:
|
|
case Q2931_IE_CALLING_PARTY_SUBADDR:
|
|
dissect_q2931_party_subaddr_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_CAUSE:
|
|
dissect_q2931_cause_ie(tvb, pinfo, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_CONNECTION_IDENTIFIER:
|
|
dissect_q2931_connection_identifier_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_E2E_TRANSIT_DELAY:
|
|
dissect_q2931_e2e_transit_delay_ie(tvb, pinfo, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_QOS_PARAMETER:
|
|
dissect_q2931_qos_parameter_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_BBAND_RPT_INDICATOR:
|
|
dissect_q2931_bband_rpt_indicator(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_RESTART_INDICATOR:
|
|
dissect_q2931_restart_indicator(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_BBAND_SENDING_COMPL:
|
|
dissect_q2931_bband_sending_compl_ie(tvb, pinfo, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_TRANSIT_NETWORK_SEL:
|
|
dissect_q2931_transit_network_sel_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_OAM_TRAFFIC_DESCRIPTOR:
|
|
dissect_q2931_oam_traffic_descriptor_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_ENDPOINT_REFERENCE:
|
|
dissect_q2931_endpoint_reference_ie(tvb, offset, len, tree);
|
|
break;
|
|
|
|
case Q2931_IE_ENDPOINT_STATE:
|
|
dissect_q2931_endpoint_state_ie(tvb, offset, len, tree);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_q2931_ie(tvbuff_t *tvb, packet_info* pinfo, int offset, int len, proto_tree *tree,
|
|
guint8 info_element, guint8 info_element_ext)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *ie_tree;
|
|
proto_tree *ie_ext_tree;
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 1+1+2+len, ett_q2931_ie, NULL,
|
|
val_to_str_ext(info_element, &q2931_info_element_vals_ext,
|
|
"Unknown information element (0x%02X)"));
|
|
proto_tree_add_uint(ie_tree, hf_q2931_information_element, tvb, offset, 1, info_element);
|
|
ti = proto_tree_add_uint(ie_tree, hf_q2931_information_element_extension, tvb, offset + 1, 1, info_element_ext);
|
|
ie_ext_tree = proto_item_add_subtree(ti, ett_q2931_ie_ext);
|
|
proto_tree_add_item(ie_ext_tree, hf_q2931_ie_coding_standard, tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_ext_tree, hf_q2931_ie_handling_instructions, tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
if (info_element_ext & Q2931_IE_COMPAT_FOLLOW_INST) {
|
|
proto_tree_add_item(ie_ext_tree, hf_q2931_ie_action_indicator, tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
proto_tree_add_uint(ie_tree, hf_q2931_information_element_length, tvb, offset + 2, 2, len);
|
|
|
|
if ((info_element_ext & Q2931_IE_COMPAT_CODING_STD)
|
|
== Q2931_ITU_STANDARDIZED_CODING) {
|
|
dissect_q2931_ie_contents(tvb, pinfo, offset + 4,
|
|
len, ie_tree, info_element);
|
|
} else {
|
|
/*
|
|
* We don't know how it's encoded, so just
|
|
* dump it as data and be done with it.
|
|
*/
|
|
proto_tree_add_item(ie_tree, hf_q2931_information_element_data, tvb, offset + 4, len, ENC_NA);
|
|
}
|
|
}
|
|
|
|
static int
|
|
dissect_q2931(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
int offset = 0;
|
|
proto_tree *q2931_tree;
|
|
proto_item *ti;
|
|
guint32 call_ref_len;
|
|
guint8 call_ref[16];
|
|
guint8 message_type;
|
|
guint8 message_type_ext;
|
|
guint16 message_len;
|
|
guint8 info_element;
|
|
guint8 info_element_ext;
|
|
guint16 info_element_len;
|
|
#if 0
|
|
int codeset;
|
|
gboolean non_locking_shift;
|
|
#endif
|
|
static int * const ext_flags[] = {
|
|
&hf_q2931_message_flag,
|
|
NULL
|
|
};
|
|
static int * const ext_flags_follow_inst[] = {
|
|
&hf_q2931_message_flag,
|
|
&hf_q2931_message_action_indicator,
|
|
NULL
|
|
};
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Q.2931");
|
|
|
|
ti = proto_tree_add_item(tree, proto_q2931, tvb, offset, -1, ENC_NA);
|
|
q2931_tree = proto_item_add_subtree(ti, ett_q2931);
|
|
|
|
proto_tree_add_item(q2931_tree, hf_q2931_discriminator, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item_ret_uint(q2931_tree, hf_q2931_call_ref_len, tvb, offset, 1, ENC_NA, &call_ref_len);
|
|
offset += 1;
|
|
if (call_ref_len != 0) {
|
|
tvb_memcpy(tvb, call_ref, offset, call_ref_len);
|
|
proto_tree_add_boolean(q2931_tree, hf_q2931_call_ref_flag,
|
|
tvb, offset, 1, (call_ref[0] & 0x80) != 0);
|
|
call_ref[0] &= 0x7F;
|
|
proto_tree_add_bytes(q2931_tree, hf_q2931_call_ref, tvb, offset, call_ref_len, call_ref);
|
|
offset += call_ref_len;
|
|
}
|
|
message_type = tvb_get_guint8(tvb, offset);
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str_ext(message_type, &q2931_message_type_vals_ext,
|
|
"Unknown message type (0x%02X)"));
|
|
|
|
proto_tree_add_uint(q2931_tree, hf_q2931_message_type, tvb, offset, 1, message_type);
|
|
offset += 1;
|
|
|
|
message_type_ext = tvb_get_guint8(tvb, offset);
|
|
if (message_type_ext & Q2931_MSG_TYPE_EXT_FOLLOW_INST) {
|
|
proto_tree_add_bitmask(q2931_tree, tvb, offset, hf_q2931_message_type_ext, ett_q2931_ext, ext_flags_follow_inst, ENC_NA);
|
|
} else {
|
|
proto_tree_add_bitmask(q2931_tree, tvb, offset, hf_q2931_message_type_ext, ett_q2931_ext, ext_flags, ENC_NA);
|
|
}
|
|
offset += 1;
|
|
|
|
message_len = tvb_get_ntohs(tvb, offset);
|
|
if (q2931_tree != NULL)
|
|
proto_tree_add_uint(q2931_tree, hf_q2931_message_len, tvb, offset, 2, message_len);
|
|
offset += 2;
|
|
|
|
/*
|
|
* And now for the information elements....
|
|
*/
|
|
#if 0
|
|
codeset = 0; /* start out in codeset 0 */
|
|
non_locking_shift = TRUE;
|
|
#endif
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
info_element = tvb_get_guint8(tvb, offset);
|
|
info_element_ext = tvb_get_guint8(tvb, offset + 1);
|
|
info_element_len = tvb_get_ntohs(tvb, offset + 2);
|
|
if (q2931_tree != NULL) {
|
|
dissect_q2931_ie(tvb, pinfo, offset, info_element_len,
|
|
q2931_tree, info_element, info_element_ext);
|
|
}
|
|
#if 0 /* XXX: Is codeset & etc supposed to be used somehow ? */
|
|
if (non_locking_shift)
|
|
codeset = 0;
|
|
/*
|
|
* Handle shifts.
|
|
*/
|
|
switch (info_element) {
|
|
|
|
case Q2931_IE_BBAND_LOCKING_SHIFT:
|
|
if (info_element_len >= 1) {
|
|
non_locking_shift = FALSE;
|
|
codeset = tvb_get_guint8(tvb, offset + 4) & 0x07;
|
|
}
|
|
break;
|
|
|
|
case Q2931_IE_BBAND_NLOCKING_SHIFT:
|
|
if (info_element_len >= 1) {
|
|
non_locking_shift = TRUE;
|
|
codeset = tvb_get_guint8(tvb, offset + 4) & 0x07;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
offset += 1 + 1 + 2 + info_element_len;
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_q2931(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_q2931_discriminator,
|
|
{ "Protocol discriminator", "q2931.disc",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_call_ref_len,
|
|
{ "Call reference value length", "q2931.call_ref_len",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0F,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_call_ref_flag,
|
|
{ "Call reference flag", "q2931.call_ref_flag",
|
|
FT_BOOLEAN, BASE_NONE, TFS(&tfs_call_ref_flag), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_call_ref,
|
|
{ "Call reference value", "q2931.call_ref",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_message_type,
|
|
{ "Message type", "q2931.message_type",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &q2931_message_type_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_message_type_ext,
|
|
{ "Message type extension", "q2931.message_type_ext",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_message_flag,
|
|
{ "Flag", "q2931.message_flag",
|
|
FT_BOOLEAN, 8, TFS(&tos_msg_flag), Q2931_MSG_TYPE_EXT_FOLLOW_INST,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_message_action_indicator,
|
|
{ "Action indicator", "q2931.message_action_indicator",
|
|
FT_UINT8, BASE_DEC, VALS(msg_action_ind_vals), Q2931_MSG_TYPE_EXT_ACTION_IND,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_message_len,
|
|
{ "Message length", "q2931.message_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_ie_handling_instructions,
|
|
{ "Handling Instructions", "q2931.ie_handling_instructions",
|
|
FT_BOOLEAN, 8, TFS(&tfs_q2931_handling_instructions), Q2931_IE_COMPAT_FOLLOW_INST,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_ie_coding_standard,
|
|
{ "Coding standard", "q2931.ie_coding_standard",
|
|
FT_UINT8, BASE_DEC, VALS(coding_std_vals), Q2931_IE_COMPAT_CODING_STD,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
{ &hf_q2931_ie_action_indicator,
|
|
{ "Action indicator", "q2931.ie_action_indicator",
|
|
FT_UINT8, BASE_DEC, VALS(ie_action_ind_vals), Q2931_IE_COMPAT_ACTION_IND,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
/* Generated from convert_proto_tree_add_text.pl */
|
|
{ &hf_q2931_aal_type,
|
|
{ "AAL type", "q2931.aal_type",
|
|
FT_UINT8, BASE_HEX, VALS(q9231_aal_type_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_user_defined_aal_information,
|
|
{ "User defined AAL information", "q2931.user_defined_aal_information",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_subtype,
|
|
{ "Subtype", "q2931.aal1.subtype",
|
|
FT_UINT8, BASE_HEX, VALS(q9231_aal1_subtype_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_cbr_rate,
|
|
{ "CBR rate", "q2931.aal1.cbr_rate",
|
|
FT_UINT8, BASE_HEX, VALS(q9231_aal1_cbr_rate_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_multiplier,
|
|
{ "Multiplier", "q2931.aal1.multiplier",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_source_clock_frequency_recovery_method,
|
|
{ "Source clock frequency recovery method", "q2931.aal1.source_clock_frequency_recovery_method",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_aal1_src_clk_rec_meth_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_error_correction_method,
|
|
{ "Error correction method", "q2931.aal1.error_correction_method",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_aal1_err_correction_method_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_structured_data_transfer_block_size,
|
|
{ "Structured data transfer block size", "q2931.aal1.structured_data_transfer_block_size",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_partially_filled_cells_method,
|
|
{ "Partially filled cells method", "q2931.aal1.partially_filled_cells_method",
|
|
FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &units_octet_octets, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_forward_max_cpcs_sdu_size,
|
|
{ "Forward maximum CPCS-SDU size", "q2931.aal1.forward_max_cpcs_sdu_size",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_backward_max_cpcs_sdu_size,
|
|
{ "Backward maximum CPCS-SDU size", "q2931.aal1.backward_max_cpcs_sdu_size",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_mode,
|
|
{ "Mode", "q2931.aal1.mode",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_aal_mode_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal1_sscs_type,
|
|
{ "SSCS type", "q2931.aal1.sscs_type",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_sscs_type_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bearer_class,
|
|
{ "Bearer class", "q2931.bearer_class",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_bearer_class_vals), 0x1F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_atm_transfer_capability,
|
|
{ "ATM Transfer Capability", "q2931.atm_transfer_capability",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_transfer_capability_vals), 0x1F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_susceptibility_to_clipping,
|
|
{ "Susceptibility to clipping", "q2931.susceptibility_to_clipping",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_susc_clip_vals), 0x60,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_user_plane_connection_configuration,
|
|
{ "User-plane connection configuration", "q2931.user_plane_connection_configuration",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_up_conn_config_vals), 0x03,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_high_layer_information_type,
|
|
{ "High layer information type", "q2931.high_layer_information_type",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_hi_layer_info_type_vals), 0x7F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_user_info_l1_proto,
|
|
{ "User information layer 1 protocol", "q2931.bband_low_layer_info.user_info_l1_proto",
|
|
FT_UINT8, BASE_HEX, NULL, 0x1F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_user_info_l2_proto,
|
|
{ "User information layer 2 protocol", "q2931.bband_low_layer_info.user_info_l2_proto",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_uil2_vals), 0x1F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_user_specified_l2_proto,
|
|
{ "User-specified layer 2 protocol information", "q2931.bband_low_layer_info.user_specified_l2_proto",
|
|
FT_UINT8, BASE_HEX, NULL, 0x7F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_mode,
|
|
{ "Mode", "q2931.bband_low_layer_info.mode",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_mode_vals), 0x60,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_window_size,
|
|
{ "Window size", "q2931.bband_low_layer_info.window_size",
|
|
FT_UINT8, BASE_DEC, NULL, 0x7F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_user_info_l3_proto,
|
|
{ "User information layer 3 protocol", "q2931.bband_low_layer_info.user_info_l3_proto",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_uil3_vals), 0x1F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_default_packet_size,
|
|
{ "Default packet size", "q2931.bband_low_layer_info.default_packet_size",
|
|
FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &units_octet_octets, 0x0F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_packet_window_size,
|
|
{ "Packet window size", "q2931.bband_low_layer_info.packet_window_size",
|
|
FT_UINT8, BASE_DEC, NULL, 0x7F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_low_layer_info_additional_l3_proto,
|
|
{ "Additional layer 3 protocol information", "q2931.bband_low_layer_info.additional_l3_proto",
|
|
FT_UINT8, BASE_HEX, VALS(nlpid_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_organization_code,
|
|
{ "Organization Code", "q2931.bband_low_layer_info.organization_code",
|
|
FT_UINT24, BASE_OUI, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_ethernet_type,
|
|
{ "Ethernet type", "q2931.bband_low_layer_info.ethernet_type",
|
|
FT_UINT16, BASE_HEX, VALS(etype_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_lane_protocol_id,
|
|
{ "LANE Protocol ID", "q2931.bband_low_layer_info.lane_protocol_id",
|
|
FT_UINT16, BASE_HEX, VALS(lane_pid_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_protocol_id,
|
|
{ "Protocol ID", "q2931.bband_low_layer_info.protocol_id",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_location,
|
|
{ "Location", "q2931.cause.location",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_cause_location_vals), 0x0F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_value,
|
|
{ "Cause value", "q2931.cause.value",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &q2931_cause_code_vals_ext, 0x7F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_rejection_reason,
|
|
{ "Rejection reason", "q2931.cause.rejection.reason",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_rejection_reason_vals), 0x7C,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_rejection_condition,
|
|
{ "Condition", "q2931.cause.rejection.condition",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_cause_condition_vals), 0x03,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_rejection_user_specific_diagnostic,
|
|
{ "User specific diagnostic", "q2931.cause.rejection.user_specific_diagnostic",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_rejection_missing_information_element,
|
|
{ "Missing information element", "q2931.cause.rejection.missing_information_element",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &q2931_info_element_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_rejection_insufficient_information_element,
|
|
{ "Insufficient information element", "q2931.cause.rejection.insufficient_information_element",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &q2931_info_element_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_rejection_diagnostic,
|
|
{ "Diagnostic", "q2931.cause.rejection.diagnostic",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_information_element,
|
|
{ "Information element", "q2931.cause.information_element",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &q2931_info_element_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_cell_rate_subfield_identifier,
|
|
{ "Cell rate subfield identifier", "q2931.cause.cell_rate_subfield_identifier",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_atm_td_subfield_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_vpci,
|
|
{ "VPCI", "q2931.cause.vpci",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_vci,
|
|
{ "VCI", "q2931.cause.vci",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_message_type,
|
|
{ "Message type", "q2931.cause.message_type",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &q2931_message_type_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_timer,
|
|
{ "Timer", "q2931.cause.timer",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_call_state,
|
|
{ "Call state", "q2931.call_state",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_call_state_vals), 0x3F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_number_type,
|
|
{ "Type of number", "q2931.number.type",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_number_type_vals), 0x70,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_number_plan,
|
|
{ "Numbering plan", "q2931.number.plan",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_numbering_plan_vals), 0x0F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_number_presentation_indicator,
|
|
{ "Presentation indicator", "q2931.number.presentation_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_presentation_indicator_vals), 0x60,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_number_screening_indicator,
|
|
{ "Screening indicator", "q2931.number.screening_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_screening_indicator_vals), 0x03,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_number_string,
|
|
{ "Number", "q2931.number.string",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_number_bytes,
|
|
{ "Number", "q2931.number.bytes",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_party_subaddr_type_of_subaddress,
|
|
{ "Type of subaddress", "q2931.party_subaddr.type_of_subaddress",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_subaddress_type_vals), 0x70,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_party_subaddr_odd_even_indicator,
|
|
{ "Odd/even indicator", "q2931.party_subaddr.odd_even_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_odd_even_indicator_vals), 0x10,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_party_subaddr_subaddress,
|
|
{ "Subaddress", "q2931.party_subaddr.subaddress",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_conn_id_vp_associated_signalling,
|
|
{ "VP-associated signalling", "q2931.conn_id.vp_associated_signalling",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_vp_associated_signalling_vals), 0x18,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_conn_id_preferred_exclusive,
|
|
{ "Preferred/exclusive", "q2931.conn_id.preferred_exclusive",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_preferred_exclusive_vals), 0x07,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_conn_id_vpci,
|
|
{ "VPCI", "q2931.conn_id.vpci",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_conn_id_vci,
|
|
{ "VCI", "q2931.conn_id.vci",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_e2e_transit_delay_cumulative,
|
|
{ "Cumulative transit delay", "q2931.e2e_transit_delay.cumulative",
|
|
FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_e2e_transit_delay_maximum_end_to_end,
|
|
{ "Maximum end-to-end transit delay", "q2931.e2e_transit_delay.maximum_end_to_end",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_qos_class_forward,
|
|
{ "QOS class forward", "q2931.qos_class_forward",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_qos_parameter_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_qos_class_backward,
|
|
{ "QOS class backward", "q2931.qos_class_backward",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_qos_parameter_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_broadband_repeat_indicator,
|
|
{ "Broadband repeat indicator", "q2931.broadband_repeat_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_bband_rpt_indicator_vals), 0x0F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_restart_indicator,
|
|
{ "Restart indicator", "q2931.restart_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_class_vals), 0x07,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_transit_network_sel_type,
|
|
{ "Type of network identification", "q2931.transit_network_sel.type",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_netid_type_vals), 0x70,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_transit_network_sel_plan,
|
|
{ "Network identification plan", "q2931.transit_network_sel.plan",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_netid_plan_vals), 0x0F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_transit_network_sel_network_id,
|
|
{ "Network identification", "q2931.transit_network_sel.network_identification",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_oam_traffic_descriptor_shaping_indicator,
|
|
{ "Shaping indicator", "q2931.oam_traffic_descriptor.shaping_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_shaping_indicator_vals), 0x60,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_oam_end_to_end_f5_flow,
|
|
{ "Use of end-to-end OAM F5 flow", "q2931.oam_end_to_end_f5_flow",
|
|
FT_BOOLEAN, 8, TFS(&tfs_mandatory_optional), 0x10,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_oam_traffic_descriptor_management_indicator,
|
|
{ "User-Network fault management indicator", "q2931.oam_traffic_descriptor.management_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_user_net_fault_mgmt_vals), 0x07,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_oam_traffic_descriptor_forward_f5_flow_indicator,
|
|
{ "Forward end-to-end OAM F5 flow indicator", "q2931.oam_traffic_descriptor.forward_f5_flow_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_fwd_e2e_oam_f5_flow_indicator_vals), 0x70,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_oam_traffic_descriptor_backward_f5_flow_indicator,
|
|
{ "Backward end-to-end OAM F5 flow indicator", "q2931.oam_traffic_descriptor.backward_f5_flow_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_bwd_e2e_oam_f5_flow_indicator_vals), 0x07,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_endpoint_reference_type,
|
|
{ "Endpoint reference type", "q2931.endpoint_reference.type",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_endpoint_reference_type_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_endpoint_reference_flag,
|
|
{ "Endpoint reference identifier value", "q2931.endpoint_reference.flag",
|
|
FT_BOOLEAN, 16, TFS(&tfs_endpoint_reference_flag), 0x8000,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_endpoint_reference_identifier_value,
|
|
{ "Endpoint reference identifier value", "q2931.endpoint_reference.identifier_value",
|
|
FT_UINT16, BASE_DEC, NULL, 0x7FFF,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_endpoint_state,
|
|
{ "Endpoint reference party-state", "q2931.endpoint_state",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_endpoint_reference_party_state_vals), 0x3F,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_information_element,
|
|
{ "Information element", "q2931.information_element",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &q2931_info_element_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_information_element_extension,
|
|
{ "Information element extension", "q2931.information_element.extension",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_information_element_length,
|
|
{ "Length", "q2931.information_element.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_information_element_data,
|
|
{ "Data", "q2931.information_element.data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_frame_discard_forward_dir,
|
|
{ "Frame discard in forward direction", "q2931.frame_discard_forward_dir",
|
|
FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x80,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_frame_discard_backward_dir,
|
|
{ "Frame discard in backward direction", "q2931.frame_discard_backward_dir",
|
|
FT_BOOLEAN, 8, TFS(&tfs_allowed_not_allowed), 0x40,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_tagging_backward_dir,
|
|
{ "Tagging in backward direction", "q2931.tagging_backward_dir",
|
|
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x02,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_tagging_forward_dir,
|
|
{ "Tagging in forward direction", "q2931.tagging_forward_dir",
|
|
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_midrange,
|
|
{ "MID range", "q2931.midrange",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_network_service,
|
|
{ "Network service", "q2931.cause.network_service",
|
|
FT_BOOLEAN, 8, TFS(&tfs_user_provider), 0x80,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_cause_network_behavior,
|
|
{ "Network behavior", "q2931.cause.network_behavior",
|
|
FT_BOOLEAN, 8, TFS(&tfs_abnormal_normal), 0x40,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_nsap_address_number_short,
|
|
{ "Number (too short)", "q2931.nsap_address.number_short",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_atm_identifier,
|
|
{ "Identifier", "q2931.atm_identifier",
|
|
FT_UINT8, BASE_HEX, VALS(q2931_atm_td_subfield_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_atm_identifier_value,
|
|
{ "Value", "q2931.atm_identifier_value",
|
|
FT_UINT24, BASE_DEC|BASE_UNIT_STRING, &units_cells_s, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_aal_parameter_identifier,
|
|
{ "Identifier", "q2931.aal.parameter_identifier",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_e2e_transit_delay_identifier,
|
|
{ "Identifier", "q2931.transit_delay.identifier",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_sending_complete_id,
|
|
{ "Identifier", "q2931.bband_sending_complete.id",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_bband_sending_complete,
|
|
{ "Broadband sending complete indication", "q2931.bband_sending_complete",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_q2931_locking_codeset,
|
|
{ "Locking codeset", "q2931.locking_codeset",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_q2931,
|
|
&ett_q2931_ext,
|
|
&ett_q2931_ie,
|
|
&ett_q2931_ie_ext,
|
|
&ett_q2931_nsap,
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_q2931_atm_identifier, { "q2931.atm_identifier.unknown", PI_PROTOCOL, PI_WARN, "Unknown ATM traffic descriptor element", EXPFILL }},
|
|
{ &ei_q2931_aal_parameter_identifier, { "q2931.aal.parameter_identifier.unknown", PI_PROTOCOL, PI_WARN, "Unknown AAL parameter", EXPFILL }},
|
|
{ &ei_q2931_e2e_transit_delay_identifier, { "q2931.transit_delay.parameter_identifier.unknown", PI_PROTOCOL, PI_WARN, "Unknown transit delay identifier", EXPFILL }},
|
|
{ &ei_q2931_bband_sending_complete_id, { "q2931.bband_sending_complete.id.unknown", PI_PROTOCOL, PI_WARN, "Unknown broadband sending complete element", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_q2931;
|
|
|
|
proto_q2931 = proto_register_protocol("Q.2931", "Q.2931", "q2931");
|
|
proto_register_field_array (proto_q2931, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_q2931 = expert_register_protocol(proto_q2931);
|
|
expert_register_field_array(expert_q2931, ei, array_length(ei));
|
|
|
|
register_dissector("q2931", dissect_q2931, proto_q2931);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|