forked from osmocom/wireshark
967 lines
50 KiB
C
967 lines
50 KiB
C
/* packet-lltd.c
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* Routines for LLTD dissection
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* Copyright 2012, Michael Mann
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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 Gerald Combs
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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/etypes.h>
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#include <epan/expert.h>
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void proto_register_lltd(void);
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void proto_reg_handoff_lltd(void);
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static int proto_lltd = -1;
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static int hf_lltd_version = -1;
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static int hf_lltd_type_of_service = -1;
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static int hf_lltd_reserved = -1;
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static int hf_lltd_discovery_func = -1;
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static int hf_lltd_discovery_real_dest_addr = -1;
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static int hf_lltd_discovery_real_src_addr = -1;
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static int hf_lltd_discovery_xid = -1;
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static int hf_lltd_discovery_seq_num = -1;
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static int hf_lltd_discover_gen_num = -1;
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static int hf_lltd_discover_num_stations = -1;
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static int hf_lltd_discover_station = -1;
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static int hf_lltd_hello_gen_num = -1;
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static int hf_lltd_hello_current_address = -1;
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static int hf_lltd_hello_apparent_address = -1;
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static int hf_lltd_tlv_type = -1;
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static int hf_lltd_tlv_length = -1;
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static int hf_lltd_host_id = -1;
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static int hf_lltd_char_p = -1;
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static int hf_lltd_char_x = -1;
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static int hf_lltd_char_f = -1;
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static int hf_lltd_char_m = -1;
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static int hf_lltd_char_l = -1;
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static int hf_lltd_char_reserved = -1;
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static int hf_lltd_physical_medium = -1;
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static int hf_lltd_wireless_mode = -1;
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static int hf_lltd_bssid = -1;
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static int hf_lltd_ssid = -1;
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static int hf_lltd_ipv4_address = -1;
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static int hf_lltd_ipv6_address = -1;
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static int hf_lltd_max_operation_rate = -1;
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static int hf_lltd_performance_count_freq = -1;
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static int hf_lltd_link_speed = -1;
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static int hf_lltd_rssi = -1;
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static int hf_lltd_machine_name = -1;
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static int hf_lltd_support_info = -1;
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static int hf_lltd_device_uuid = -1;
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static int hf_lltd_qos_char_e = -1;
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static int hf_lltd_qos_char_q = -1;
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static int hf_lltd_qos_char_p = -1;
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static int hf_lltd_qos_char_reserved = -1;
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static int hf_lltd_80211_physical_medium = -1;
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static int hf_lltd_sees_list_working_set = -1;
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static int hf_lltd_repeater_ap_lineage = -1;
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static int hf_lltd_emit_num_descs = -1;
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static int hf_lltd_emit_type = -1;
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static int hf_lltd_emit_pause = -1;
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static int hf_lltd_emit_src_addr = -1;
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static int hf_lltd_emit_dest_addr = -1;
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static int hf_lltd_queryresp_more_descs = -1;
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static int hf_lltd_queryresp_memory_descs = -1;
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static int hf_lltd_queryresp_num_descs = -1;
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static int hf_lltd_queryresp_type = -1;
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static int hf_lltd_queryresp_real_src_addr = -1;
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static int hf_lltd_queryresp_ethernet_src_addr = -1;
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static int hf_lltd_queryresp_ethernet_dest_addr = -1;
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static int hf_lltd_flat_crc_bytes = -1;
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static int hf_lltd_flat_crc_packets = -1;
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static int hf_lltd_query_large_tlv_type = -1;
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static int hf_lltd_query_large_tlv_offset = -1;
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static int hf_lltd_querylargeresp_more_descs = -1;
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static int hf_lltd_querylargeresp_memory_descs = -1;
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static int hf_lltd_querylargeresp_num_descs = -1;
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static int hf_lltd_querylargeresp_data = -1;
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static int hf_lltd_qos_diag_func = -1;
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static int hf_lltd_qos_real_dest_addr = -1;
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static int hf_lltd_qos_real_src_addr = -1;
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static int hf_lltd_qos_seq_num = -1;
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static int hf_lltd_qos_initialize_interrupt_mod = -1;
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static int hf_lltd_qos_ready_sink_link_speed = -1;
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static int hf_lltd_qos_ready_perf_count_freq = -1;
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static int hf_lltd_qos_probe_controller_transmit_timestamp = -1;
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static int hf_lltd_qos_probe_sink_receive_timestamp = -1;
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static int hf_lltd_qos_probe_sink_transmit_timestamp = -1;
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static int hf_lltd_qos_probe_test_type = -1;
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static int hf_lltd_qos_probe_packet_id = -1;
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static int hf_lltd_qos_probe_t = -1;
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static int hf_lltd_qos_probe_8021p_value = -1;
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static int hf_lltd_qos_probe_payload = -1;
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static int hf_lltd_qos_error_value = -1;
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static int hf_lltd_qos_count_snapshot_history = -1;
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static int hf_lltd_qos_query_resp_r = -1;
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static int hf_lltd_qos_query_resp_e = -1;
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static int hf_lltd_qos_query_resp_num_events = -1;
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static int hf_lltd_qos_query_resp_controller_timestamp = -1;
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static int hf_lltd_qos_query_resp_sink_timestamp = -1;
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static int hf_lltd_qos_query_resp_packet_id = -1;
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static int hf_lltd_qos_query_resp_reserved = -1;
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static int hf_lltd_qos_counter_result_subsec_span = -1;
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static int hf_lltd_qos_counter_result_byte_scale = -1;
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static int hf_lltd_qos_counter_result_packet_scale = -1;
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static int hf_lltd_qos_counter_result_history_size = -1;
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static int hf_lltd_qos_snapshot_bytes_recv = -1;
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static int hf_lltd_qos_snapshot_packets_recv= -1;
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static int hf_lltd_qos_snapshot_bytes_sent = -1;
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static int hf_lltd_qos_snapshot_packets_sent= -1;
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static gint ett_lltd = -1;
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static gint ett_base_header = -1;
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static gint ett_discover_stations = -1;
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static gint ett_tlv = -1;
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static gint ett_tlv_item = -1;
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static gint ett_characteristics = -1;
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static gint ett_qos_characteristics = -1;
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static gint ett_repeater_ap_lineage = -1;
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static gint ett_emitee_descs = -1;
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static gint ett_emitee_descs_item = -1;
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static gint ett_recvee_descs = -1;
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static gint ett_recvee_descs_item = -1;
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static gint ett_qos_event_descs = -1;
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static gint ett_qos_event_item = -1;
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static gint ett_qos_snapshot_list = -1;
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static gint ett_qos_snapshot_item = -1;
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static expert_field ei_lltd_tlv_length_invalid = EI_INIT;
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static expert_field ei_lltd_too_many_paths = EI_INIT;
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static expert_field ei_lltd_type_of_service = EI_INIT;
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static expert_field ei_lltd_char_reserved = EI_INIT;
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static expert_field ei_lltd_qos_seq_num = EI_INIT;
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static expert_field ei_lltd_discovery_func = EI_INIT;
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static expert_field ei_lltd_tlv_type = EI_INIT;
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static expert_field ei_lltd_qos_diag_func = EI_INIT;
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#define LLTD_CHARACTERISTIC_P_MASK 0x80000000
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#define LLTD_CHARACTERISTIC_X_MASK 0x40000000
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#define LLTD_CHARACTERISTIC_F_MASK 0x20000000
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#define LLTD_CHARACTERISTIC_M_MASK 0x10000000
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#define LLTD_CHARACTERISTIC_L_MASK 0x08000000
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#define LLTD_CHARACTERISTIC_RESERVE_MASK 0x07FFFFFF
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#define LLTD_QOS_CHARACTERISTIC_E_MASK 0x80000000
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#define LLTD_QOS_CHARACTERISTIC_Q_MASK 0x40000000
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#define LLTD_QOS_CHARACTERISTIC_P_MASK 0x20000000
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#define LLTD_QOS_CHARACTERISTIC_RESERVE_MASK 0x1FFFFFFF
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#define LLTD_QUERY_RESP_M_MASK 0x8000
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#define LLTD_QUERY_RESP_E_MASK 0x4000
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#define LLTD_QUERY_RESP_NUM_DESCS_MASK 0x3FFF
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static const value_string lltd_tos_vals[] = {
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{ 0, "Topology discovery" },
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{ 1, "Quick discovery" },
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{ 2, "QoS Diagnostics" },
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{ 0, NULL }
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};
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static const value_string lltd_discovery_vals[] = {
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{ 0x00, "Discover" },
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{ 0x01, "Hello" },
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{ 0x02, "Emit" },
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{ 0x03, "Train" },
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{ 0x04, "Probe" },
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{ 0x05, "Ack" },
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{ 0x06, "Query" },
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{ 0x07, "QueryResp" },
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{ 0x08, "Reset" },
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{ 0x09, "Charge" },
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{ 0x0A, "Flat" },
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{ 0x0B, "QueryLargeTlv" },
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{ 0x0C, "QueryLargeTlvResp" },
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{ 0, NULL }
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};
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static const value_string lltd_qos_diag_vals[] = {
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{ 0x00, "QosInitializeSink" },
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{ 0x01, "QosReady" },
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{ 0x02, "QosProbe" },
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{ 0x03, "QosQuery" },
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{ 0x04, "QosQueryResp" },
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{ 0x05, "QosReset" },
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{ 0x06, "QosError" },
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{ 0x07, "QosAck" },
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{ 0x08, "QosCounterSnapshot" },
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{ 0x09, "QosCounterResult" },
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{ 0x0A, "QosCounterLease" },
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{ 0, NULL }
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};
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static const value_string lltd_tlv_type_vals[] = {
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{ 0x00, "End of Property List" },
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{ 0x01, "Host ID" },
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{ 0x02, "Characteristics" },
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{ 0x03, "Physical Medium" },
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{ 0x04, "Wireless Mode" },
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{ 0x05, "802.11 BSSID" },
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{ 0x06, "802.11 SSID" },
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{ 0x07, "IPv4 Address" },
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{ 0x08, "IPv6 Address" },
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{ 0x09, "802.11 Maximum Operation Rate" },
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{ 0x0A, "Performance Counter Frequency" },
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{ 0x0C, "Link Speed" },
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{ 0x0D, "802.11 RSSI" },
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{ 0x0E, "Icon Image" },
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{ 0x0F, "Machine Name" },
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{ 0x10, "Support Information" },
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{ 0x11, "Friendly Name" },
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{ 0x12, "Device UUID" },
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{ 0x13, "Hardware ID" },
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{ 0x14, "QoS Characteristics" },
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{ 0x15, "802.11 Physical Medium" },
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{ 0x16, "AP Association Table" },
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{ 0x18, "Detailed Icon Image" },
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{ 0x19, "Sees-List Working Set" },
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{ 0x1A, "Component Table" },
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{ 0x1B, "Repeater AP Lineage" },
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{ 0x1C, "Repeater AP Table" },
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{ 0, NULL }
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};
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static const value_string lltd_wireless_mode_vals[] = {
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{ 0x00, "802.11 IBSS or ad-hoc mode" },
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{ 0x01, "802.11 infrastructure mode" },
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{ 0, NULL }
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};
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static const value_string lltd_80211_physical_medium_vals[] = {
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{ 0x00, "Unknown" },
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{ 0x01, "FHSS 2.4 GHz" },
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{ 0x02, "DSSS 2.4 GHz" },
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{ 0x03, "IR Baseband" },
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{ 0x04, "OFDM 5 GHz" },
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{ 0x05, "HRDSSS" },
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{ 0x06, "ERP" },
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{ 0, NULL }
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};
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static const value_string lltd_emit_type_vals[] = {
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{ 0x00, "Train" },
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{ 0x01, "Probe" },
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{ 0, NULL }
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};
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static const value_string lltd_queryresp_type_vals[] = {
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{ 0x00, "Probe" },
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{ 0x01, "ARP" },
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{ 0, NULL }
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};
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static const value_string lltd_query_large_tlv_type_vals[] = {
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{ 0x0E, "Icon Image" },
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{ 0x11, "Friendly Name" },
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{ 0x13, "Hardware ID" },
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{ 0x16, "AP Association Table" },
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{ 0x18, "Detailed Icon Image" },
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{ 0x1A, "Component Table" },
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{ 0x1C, "Repeater AP Table" },
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{ 0, NULL }
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};
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static const value_string lltd_interrupt_mod_vals[] = {
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{ 0x00, "Disable interrupt moderation" },
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{ 0x01, "Enable interrupt moderation" },
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{ 0xFF, "Use existing interrupt moderation setting" },
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{ 0, NULL }
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};
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static const value_string lltd_qos_probe_test_type_vals[] = {
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{ 0x00, "Timed Probe" },
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{ 0x01, "Probegap originating from the controller" },
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{ 0x02, "Probegap originating from the sink" },
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{ 0, NULL }
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};
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static const value_string lltd_qos_error_vals[] = {
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{ 0x00, "Insufficient Resources" },
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{ 0x01, "Busy. Try again later" },
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{ 0x02, "Interrupt moderation not available" },
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{ 0, NULL }
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};
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static const true_false_string tfs_full_half_duplex = { "Full Duplex", "Half Duplex" };
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static int
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dissect_lltd_tlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint32 offset, gboolean* end)
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{
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guint8 type, length = 0;
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proto_item *tlv_item, *type_item;
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proto_tree *tlv_tree, *type_tree;
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guint32 i, temp32;
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type = tvb_get_guint8(tvb, offset);
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if (type == 0)
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{
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/* End of Property type doesn't have length */
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tlv_tree = proto_tree_add_subtree(tree, tvb, offset, 1, ett_tlv_item, &tlv_item, "TLV Item (End of Property List)");
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*end = TRUE;
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}
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else
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{
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length = tvb_get_guint8(tvb, offset+1);
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tlv_tree = proto_tree_add_subtree_format(tree, tvb, offset, length+2, ett_tlv_item, &tlv_item,
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"TLV Item (%s)", val_to_str(type, lltd_tlv_type_vals, "Unknown (0x%02x)"));
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*end = FALSE;
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}
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proto_tree_add_item(tlv_tree, hf_lltd_tlv_type, tvb, offset, 1, ENC_NA);
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if (type != 0)
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proto_tree_add_item(tlv_tree, hf_lltd_tlv_length, tvb, offset+1, 1, ENC_NA);
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if ((type != 0) && (length > tvb_reported_length_remaining(tvb, offset+2)))
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{
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expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "TLV Length field too big");
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*end = TRUE;
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return 2;
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}
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switch(type)
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{
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case 0x00: /* End of Property List */
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/* No data, no length field */
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return 1;
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case 0x01: /* Host ID */
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if (length != 6)
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{
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expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Host ID length");
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}
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proto_tree_add_item(tlv_tree, hf_lltd_host_id, tvb, offset+2, 6, ENC_NA);
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break;
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case 0x02: /* Characteristics */
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if (length != 4)
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{
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expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Characteristics length");
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}
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else
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{
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type_tree = proto_tree_add_subtree(tree, tvb, offset+2, 4, ett_characteristics, &type_item, "Characteristics");
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proto_tree_add_item(type_tree, hf_lltd_char_p, tvb, offset+2, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(type_tree, hf_lltd_char_x, tvb, offset+2, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(type_tree, hf_lltd_char_f, tvb, offset+2, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(type_tree, hf_lltd_char_m, tvb, offset+2, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(type_tree, hf_lltd_char_l, tvb, offset+2, 4, ENC_BIG_ENDIAN);
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proto_tree_add_item(type_tree, hf_lltd_char_reserved, tvb, offset+2, 4, ENC_BIG_ENDIAN);
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if (tvb_get_ntohl(tvb, offset+2) & LLTD_CHARACTERISTIC_RESERVE_MASK)
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expert_add_info(pinfo, type_item, &ei_lltd_char_reserved);
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}
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break;
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case 0x03: /* Physical Medium */
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if (length != 4)
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{
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expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Physical Medium length");
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}
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proto_tree_add_item(tlv_tree, hf_lltd_physical_medium, tvb, offset+2, 4, ENC_BIG_ENDIAN);
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break;
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case 0x04: /* Wireless Mode */
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if (length != 1)
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{
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expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Wireless Mode length");
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}
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proto_tree_add_item(tlv_tree, hf_lltd_wireless_mode, tvb, offset+2, 1, ENC_BIG_ENDIAN);
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break;
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case 0x05: /* 802.11 BSSID */
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if (length != 6)
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{
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expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid BSSID length");
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}
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proto_tree_add_item(tlv_tree, hf_lltd_bssid, tvb, offset+2, 6, ENC_NA);
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break;
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case 0x06: /* 802.11 SSID */
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if (length > 32)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "SSID length too large");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_ssid, tvb, offset+2, length, ENC_NA|ENC_ASCII);
|
|
break;
|
|
case 0x07: /* IPv4 Address */
|
|
if (length != 4)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid IPv4 Address length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_ipv4_address, tvb, offset+2, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x08: /* IPv6 Address */
|
|
if (length != 16)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid IPv6 Address length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_ipv6_address, tvb, offset+2, 16, ENC_NA);
|
|
break;
|
|
case 0x09: /* 802.11 Maximum Operation Rate */
|
|
if (length != 2)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Maximum Operation Rate length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_max_operation_rate, tvb, offset+2, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x0A: /* Performance Counter Frequency */
|
|
if (length != 8)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Performance Counter Frequency length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_performance_count_freq, tvb, offset+2, 8, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x0C: /* Link Speed */
|
|
if (length != 4)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Link Speed length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_link_speed, tvb, offset+2, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x0D: /* 802.11 RSSI */
|
|
if (length != 4)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid RSSI length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_rssi, tvb, offset+2, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x0F: /* Machine Name */
|
|
if (length > 32)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Machine Name length too large");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_machine_name, tvb, offset+2, length, ENC_LITTLE_ENDIAN|ENC_UCS_2);
|
|
break;
|
|
case 0x10: /* Support Information */
|
|
if (length > 64)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Support Information length too large");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_support_info, tvb, offset+2, length, ENC_LITTLE_ENDIAN|ENC_UCS_2);
|
|
break;
|
|
case 0x11: /* Friendly Name */
|
|
if (length != 0)
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Friendly Name length");
|
|
break;
|
|
case 0x12: /* Device UUID */
|
|
if (length != 22)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Device UUID length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_device_uuid, tvb, offset+2, 22, ENC_NA);
|
|
break;
|
|
case 0x13: /* Hardware ID */
|
|
if (length != 0)
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Hardware ID length");
|
|
break;
|
|
case 0x14: /* QoS Characteristics */
|
|
if (length != 4)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "QoS Characteristics length");
|
|
}
|
|
else
|
|
{
|
|
type_tree = proto_tree_add_subtree(tlv_tree, tvb, offset+2, 4, ett_qos_characteristics, &type_item, "QoS Characteristics");
|
|
proto_tree_add_item(type_tree, hf_lltd_qos_char_e, tvb, offset+2, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(type_tree, hf_lltd_qos_char_q, tvb, offset+2, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(type_tree, hf_lltd_qos_char_p, tvb, offset+2, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(type_tree, hf_lltd_qos_char_reserved, tvb, offset+2, 4, ENC_BIG_ENDIAN);
|
|
temp32 = tvb_get_ntohl(tvb, offset+2);
|
|
if (temp32 & LLTD_QOS_CHARACTERISTIC_RESERVE_MASK)
|
|
expert_add_info(pinfo, type_item, &ei_lltd_char_reserved);
|
|
}
|
|
break;
|
|
case 0x15: /* 802.11 Physical Medium */
|
|
if (length != 1)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid 802.11 Physical Medium length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_80211_physical_medium, tvb, offset+2, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x19: /* Sees-List Working Set */
|
|
if (length != 2)
|
|
{
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid Sees-List Working Set length");
|
|
}
|
|
|
|
proto_tree_add_item(tlv_tree, hf_lltd_sees_list_working_set, tvb, offset+2, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x1B: /* Repeater AP Lineage */
|
|
type_tree = proto_tree_add_subtree(tree, tvb, offset+2, length, ett_repeater_ap_lineage, NULL, "Repeater AP Lineage");
|
|
for (i = 0; i < length; i += 6)
|
|
proto_tree_add_item(type_tree, hf_lltd_repeater_ap_lineage, tvb, offset+2+i, 6, ENC_NA);
|
|
|
|
if (length > 36)
|
|
expert_add_info(pinfo, tlv_item, &ei_lltd_too_many_paths);
|
|
break;
|
|
case 0x0E: /* Icon Image */
|
|
case 0x16: /* AP Association Table */
|
|
case 0x18: /* Detailed Icon Image */
|
|
case 0x1A: /* Component Table */
|
|
case 0x1C: /* Repeater AP Table */
|
|
if (length != 0)
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_length_invalid, "Invalid length");
|
|
break;
|
|
default:
|
|
expert_add_info_format(pinfo, tlv_item, &ei_lltd_tlv_type, "Invalid TLV Type 0x%02x", type);
|
|
break;
|
|
}
|
|
|
|
return length+2;
|
|
}
|
|
|
|
static void
|
|
dissect_lltd_discovery(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *header_item, *func_item;
|
|
proto_tree *header_tree, *func_tree, *func_subtree;
|
|
guint8 func;
|
|
guint16 temp16;
|
|
gboolean end_tlv = FALSE;
|
|
int loop_offset, start_offset;
|
|
|
|
func = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_lltd_discovery_func, tvb, offset, 1, ENC_NA);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str(func, lltd_discovery_vals, "Unknown (0x%02x)"));
|
|
offset++;
|
|
|
|
/* Demultiplex header */
|
|
header_tree = proto_tree_add_subtree(tree, tvb, offset, 14, ett_base_header, &header_item, "Base header");
|
|
|
|
proto_tree_add_item(header_tree, hf_lltd_discovery_real_dest_addr, tvb, offset, 6, ENC_NA);
|
|
proto_tree_add_item(header_tree, hf_lltd_discovery_real_src_addr, tvb, offset+6, 6, ENC_NA);
|
|
if (func == 0)
|
|
proto_tree_add_item(header_tree, hf_lltd_discovery_xid, tvb, offset+12, 2, ENC_BIG_ENDIAN);
|
|
else
|
|
proto_tree_add_item(header_tree, hf_lltd_discovery_seq_num, tvb, offset+12, 2, ENC_BIG_ENDIAN);
|
|
|
|
switch(func)
|
|
{
|
|
case 0x00: /* Discover */
|
|
proto_tree_add_item(tree, hf_lltd_discover_gen_num, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_discover_num_stations, tvb, offset+16, 2, ENC_BIG_ENDIAN);
|
|
temp16 = tvb_get_ntohs(tvb, offset+16);
|
|
if (temp16 > 0)
|
|
{
|
|
func_tree = proto_tree_add_subtree(tree, tvb, offset+18, temp16*6, ett_discover_stations, NULL, "Stations");
|
|
for (loop_offset = 0; loop_offset < temp16*6; loop_offset += 6)
|
|
proto_tree_add_item(func_tree, hf_lltd_discover_station, tvb, offset+18+loop_offset, 6, ENC_NA);
|
|
}
|
|
break;
|
|
case 0x01: /* Hello */
|
|
proto_tree_add_item(tree, hf_lltd_hello_gen_num, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_hello_current_address, tvb, offset+16, 6, ENC_NA);
|
|
proto_tree_add_item(tree, hf_lltd_hello_apparent_address, tvb, offset+22, 6, ENC_NA);
|
|
|
|
func_tree = proto_tree_add_subtree(tree, tvb, offset+28, 0, ett_tlv, &func_item, "TLVs");
|
|
start_offset = loop_offset = offset+28;
|
|
while ((end_tlv == FALSE) && (tvb_reported_length_remaining(tvb, loop_offset) >= 1))
|
|
{
|
|
loop_offset += dissect_lltd_tlv(tvb, pinfo, func_tree, loop_offset, &end_tlv);
|
|
}
|
|
proto_item_set_len(func_item, loop_offset-start_offset);
|
|
break;
|
|
case 0x02: /* Emit */
|
|
proto_tree_add_item(tree, hf_lltd_emit_num_descs, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
temp16 = tvb_get_ntohs(tvb, offset+14);
|
|
if (temp16 > 0)
|
|
{
|
|
func_tree = proto_tree_add_subtree(tree, tvb, offset+16, temp16*14, ett_emitee_descs, NULL, "EmiteeDescs");
|
|
for (loop_offset = 0; loop_offset < temp16*14; loop_offset += 14)
|
|
{
|
|
func_subtree = proto_tree_add_subtree(func_tree, tvb, offset+16+loop_offset, 14, ett_emitee_descs_item, NULL, "EmiteeDescs Item");
|
|
|
|
proto_tree_add_item(func_subtree, hf_lltd_emit_type, tvb, offset+16+loop_offset, 1, ENC_NA);
|
|
proto_tree_add_item(func_subtree, hf_lltd_emit_pause, tvb, offset+16+loop_offset+1, 1, ENC_NA);
|
|
proto_tree_add_item(func_subtree, hf_lltd_emit_src_addr, tvb, offset+16+loop_offset+2, 6, ENC_NA);
|
|
proto_tree_add_item(func_subtree, hf_lltd_emit_dest_addr, tvb, offset+16+loop_offset+8, 6, ENC_NA);
|
|
}
|
|
}
|
|
break;
|
|
case 0x07: /* QueryResp */
|
|
proto_tree_add_item(tree, hf_lltd_queryresp_more_descs, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_queryresp_memory_descs, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_queryresp_num_descs, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
temp16 = tvb_get_ntohs(tvb, offset+14) & LLTD_QUERY_RESP_NUM_DESCS_MASK;
|
|
if (temp16 > 0)
|
|
{
|
|
func_tree = proto_tree_add_subtree(tree, tvb, offset+16, temp16*20, ett_recvee_descs, NULL, "RecveeDescs");
|
|
for (loop_offset = 0; loop_offset < temp16*14; loop_offset += 20)
|
|
{
|
|
func_subtree = proto_tree_add_subtree(func_tree, tvb, offset+16+loop_offset, 20,
|
|
ett_recvee_descs_item, NULL, "RecveeDescs Item");
|
|
|
|
proto_tree_add_item(func_subtree, hf_lltd_queryresp_type, tvb, offset+16+loop_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(func_subtree, hf_lltd_queryresp_real_src_addr, tvb, offset+16+loop_offset+2, 6, ENC_NA);
|
|
proto_tree_add_item(func_subtree, hf_lltd_queryresp_ethernet_src_addr, tvb, offset+16+loop_offset+8, 6, ENC_NA);
|
|
proto_tree_add_item(func_subtree, hf_lltd_queryresp_ethernet_dest_addr, tvb, offset+16+loop_offset+14, 6, ENC_NA);
|
|
}
|
|
}
|
|
break;
|
|
case 0x0A: /* Flat */
|
|
proto_tree_add_item(tree, hf_lltd_flat_crc_bytes, tvb, offset+14, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_flat_crc_packets, tvb, offset+18, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x0B: /* QueryLargeTlv */
|
|
proto_tree_add_item(tree, hf_lltd_query_large_tlv_type, tvb, offset+14, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_query_large_tlv_offset, tvb, offset+15, 3, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x0C: /* QueryLargeTlvResp */
|
|
proto_tree_add_item(tree, hf_lltd_querylargeresp_more_descs, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_querylargeresp_memory_descs, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_querylargeresp_num_descs, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
temp16 = tvb_get_ntohs(tvb, offset+14) & LLTD_QUERY_RESP_NUM_DESCS_MASK;
|
|
if (temp16 > 0)
|
|
proto_tree_add_item(tree, hf_lltd_querylargeresp_data, tvb, offset+16, temp16, ENC_NA);
|
|
break;
|
|
case 0x03: /* Train */
|
|
case 0x04: /* Probe */
|
|
case 0x05: /* Ack */
|
|
case 0x06: /* Query */
|
|
case 0x08: /* Reset */
|
|
case 0x09: /* Charge */
|
|
/* No data */
|
|
break;
|
|
default:
|
|
expert_add_info_format(pinfo, header_item, &ei_lltd_discovery_func, "Invalid function 0x%02x", func);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_lltd_qos(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
proto_item *header_item;
|
|
proto_tree *header_tree, *func_tree, *func_subtree;
|
|
guint8 func;
|
|
guint16 seq_num, temp16;
|
|
int loop_offset;
|
|
|
|
func = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_lltd_qos_diag_func, tvb, offset, 1, ENC_NA);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str(func, lltd_qos_diag_vals, "Unknown (0x%02x)"));
|
|
offset++;
|
|
|
|
header_tree = proto_tree_add_subtree(tree, tvb, offset, 14, ett_base_header, &header_item, "Base header");
|
|
|
|
proto_tree_add_item(header_tree, hf_lltd_qos_real_dest_addr, tvb, offset, 6, ENC_NA);
|
|
proto_tree_add_item(header_tree, hf_lltd_qos_real_src_addr, tvb, offset+6, 6, ENC_NA);
|
|
proto_tree_add_item(header_tree, hf_lltd_qos_seq_num, tvb, offset+12, 2, ENC_BIG_ENDIAN);
|
|
seq_num = tvb_get_ntohs(tvb, offset+12);
|
|
|
|
switch(func)
|
|
{
|
|
case 0x00: /* QosInitializeSink */
|
|
proto_tree_add_item(tree, hf_lltd_qos_initialize_interrupt_mod, tvb, offset+14, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x01: /* QosReady */
|
|
proto_tree_add_item(tree, hf_lltd_qos_ready_sink_link_speed, tvb, offset+14, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_ready_perf_count_freq, tvb, offset+18, 8, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x02: /* QosProbe */
|
|
proto_tree_add_item(tree, hf_lltd_qos_probe_controller_transmit_timestamp, tvb, offset+14, 8, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_probe_sink_receive_timestamp, tvb, offset+22, 8, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_probe_sink_transmit_timestamp, tvb, offset+30, 8, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_probe_test_type, tvb, offset+38, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_probe_packet_id, tvb, offset+39, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_probe_t, tvb, offset+40, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_probe_8021p_value, tvb, offset+40, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_probe_payload, tvb, offset+41, 5, ENC_NA);
|
|
break;
|
|
case 0x03: /* QosQuery */
|
|
case 0x07: /* QosAck */
|
|
if (seq_num == 0)
|
|
expert_add_info(pinfo, header_item, &ei_lltd_qos_seq_num);
|
|
/* No Data */
|
|
break;
|
|
case 0x04: /* QosQueryResp */
|
|
proto_tree_add_item(tree, hf_lltd_qos_query_resp_r, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_query_resp_e, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_query_resp_num_events, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
temp16 = tvb_get_ntohs(tvb, offset+14) & LLTD_QUERY_RESP_NUM_DESCS_MASK;
|
|
if (temp16 > 0)
|
|
{
|
|
func_tree = proto_tree_add_subtree(tree, tvb, offset+16, temp16*18, ett_qos_event_descs, NULL, "QosEventDesc");
|
|
for (loop_offset = 0; loop_offset < temp16*18; loop_offset += 18)
|
|
{
|
|
func_subtree = proto_tree_add_subtree(func_tree, tvb, offset+16+loop_offset, 18, ett_qos_event_item, NULL, "Qos Event");
|
|
|
|
proto_tree_add_item(func_subtree, hf_lltd_qos_query_resp_controller_timestamp, tvb, offset+16+loop_offset, 8, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(func_subtree, hf_lltd_qos_query_resp_sink_timestamp, tvb, offset+16+loop_offset+8, 8, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(func_subtree, hf_lltd_qos_query_resp_packet_id, tvb, offset+16+loop_offset+16, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(func_subtree, hf_lltd_qos_query_resp_reserved, tvb, offset+16+loop_offset+17, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
break;
|
|
case 0x05: /* QosReset */
|
|
/* No Data */
|
|
break;
|
|
case 0x06: /* QosError */
|
|
proto_tree_add_item(tree, hf_lltd_qos_error_value, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x08: /* QosCounterSnapshot */
|
|
if (seq_num == 0)
|
|
expert_add_info(pinfo, header_item, &ei_lltd_qos_seq_num);
|
|
proto_tree_add_item(tree, hf_lltd_qos_count_snapshot_history, tvb, offset+14, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x09: /* QosCounterResult */
|
|
proto_tree_add_item(tree, hf_lltd_qos_counter_result_subsec_span, tvb, offset+14, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_counter_result_byte_scale, tvb, offset+15, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_counter_result_packet_scale, tvb, offset+16, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_lltd_qos_counter_result_history_size, tvb, offset+17, 1, ENC_BIG_ENDIAN);
|
|
temp16 = tvb_get_guint8(tvb, offset+17);
|
|
if (temp16 > 0)
|
|
{
|
|
func_tree = proto_tree_add_subtree(tree, tvb, offset+18, temp16*4, ett_qos_snapshot_list, NULL, "Snapshot List");
|
|
for (loop_offset = 0; loop_offset < temp16*4; loop_offset += 4)
|
|
{
|
|
func_subtree = proto_tree_add_subtree(func_tree, tvb, offset+18+loop_offset, 4, ett_qos_snapshot_item, NULL, "Snapshot");
|
|
|
|
proto_tree_add_item(func_subtree, hf_lltd_qos_snapshot_bytes_recv, tvb, offset+16+loop_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(func_subtree, hf_lltd_qos_snapshot_packets_recv, tvb, offset+16+loop_offset+2, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(func_subtree, hf_lltd_qos_snapshot_bytes_sent, tvb, offset+16+loop_offset+4, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(func_subtree, hf_lltd_qos_snapshot_packets_sent, tvb, offset+16+loop_offset+6, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
break;
|
|
case 0x0A: /* QosCounterLease */
|
|
/* No Data */
|
|
break;
|
|
default:
|
|
expert_add_info_format(pinfo, header_item, &ei_lltd_qos_diag_func, "Invalid function 0x%02x", func);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
dissect_lltd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *lltd_tree;
|
|
guint8 tos;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "LLTD");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
ti = proto_tree_add_item(tree, proto_lltd, tvb, 0, -1, ENC_NA);
|
|
lltd_tree = proto_item_add_subtree(ti, ett_lltd);
|
|
|
|
proto_tree_add_item(lltd_tree, hf_lltd_version, tvb, 0, 1, ENC_NA);
|
|
proto_tree_add_item(lltd_tree, hf_lltd_type_of_service, tvb, 1, 1, ENC_NA);
|
|
tos = tvb_get_guint8(tvb, 1);
|
|
proto_tree_add_item(lltd_tree, hf_lltd_reserved, tvb, 2, 1, ENC_NA);
|
|
|
|
switch(tos)
|
|
{
|
|
case 0: /* Topology discovery */
|
|
case 1: /* Quick discovery */
|
|
dissect_lltd_discovery(tvb, pinfo, lltd_tree, 3);
|
|
break;
|
|
|
|
case 2: /* QoS Diagnostics */
|
|
dissect_lltd_qos(tvb, pinfo, lltd_tree, 3);
|
|
break;
|
|
|
|
default:
|
|
expert_add_info_format(pinfo, ti, &ei_lltd_type_of_service, "Invalid Type of Service value 0x%02x", tos);
|
|
break;
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_lltd(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_lltd_version, {"Version", "lltd.version", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_type_of_service, {"Type of Service", "lltd.tos", FT_UINT8, BASE_HEX, VALS(lltd_tos_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_reserved, {"Reserved", "lltd.reserved", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_discovery_func, {"Discovery function", "lltd.discovery", FT_UINT8, BASE_HEX, VALS(lltd_discovery_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_discovery_real_dest_addr, { "Real Destination Address", "lltd.discovery.real_dest_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_discovery_real_src_addr, { "Real Source Address", "lltd.discovery.real_src_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_discovery_xid, {"XID", "lltd.discovery.xid", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_discovery_seq_num, {"Sequence Number", "lltd.discovery.seq_num", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_discover_gen_num, {"Generation Number", "lltd.discover.gen_num", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_discover_num_stations, {"Number of Stations", "lltd.discover.num_stations", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_discover_station, { "Station", "lltd.discover.station", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_hello_gen_num, {"Generation Number", "lltd.hello.gen_num", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_hello_current_address, { "Current Mapper Address", "lltd.hello.current_address", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_hello_apparent_address, { "Current Apparent Address", "lltd.hello.apparent_address", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_tlv_type, {"Type", "lltd.tlv.type", FT_UINT8, BASE_HEX, VALS(lltd_tlv_type_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_tlv_length, {"Length", "lltd.tlv.length", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_host_id, { "Host ID", "lltd.host_id", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_char_p, {"Public NAT", "lltd.characteristic.public_nat", FT_BOOLEAN, 32, TFS(&tfs_true_false), LLTD_CHARACTERISTIC_P_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_char_x, {"Private NAT", "lltd.characteristic.private_nat", FT_BOOLEAN, 32, TFS(&tfs_true_false), LLTD_CHARACTERISTIC_X_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_char_f, {"Duplex", "lltd.characteristic.duplex", FT_BOOLEAN, 32, TFS(&tfs_full_half_duplex), LLTD_CHARACTERISTIC_F_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_char_m, {"Management Web Page", "lltd.characteristic.web_page", FT_BOOLEAN, 32, TFS(&tfs_present_absent), LLTD_CHARACTERISTIC_M_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_char_l, {"Looping Outbound Packets", "lltd.characteristic.loop", FT_BOOLEAN, 32, TFS(&tfs_true_false), LLTD_CHARACTERISTIC_L_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_char_reserved, {"Reserved", "lltd.characteristic.reserved", FT_UINT32, BASE_HEX, NULL, LLTD_CHARACTERISTIC_RESERVE_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_physical_medium, {"Physical Medium", "lltd.physical_medium", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_wireless_mode, {"Wireless Mode", "lltd.wireless_mode", FT_UINT8, BASE_HEX, VALS(lltd_wireless_mode_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_bssid, { "BSSID", "lltd.bssid", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_ssid, { "SSID", "lltd.ssid", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_ipv4_address, { "IPv4 Address", "lltd.ipv4_address", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_ipv6_address, { "IPv6 Address", "lltd.ipv6_address", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_max_operation_rate, {"Maximum Operational Rate (.5 Mbps)", "lltd.max_operation_rate", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_performance_count_freq, {"Performance Counter Frequency", "lltd.performance_count_freq", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_link_speed, {"Link Speed (100 bps)", "lltd.link_speed", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_rssi, {"RSSI", "lltd.rssi", FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_machine_name, { "Machine Name", "lltd.machine_name", FT_STRING /*FT_UCS2_LE */, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_support_info, { "Support Information", "lltd.support_info", FT_STRING /*FT_UCS2_LE */, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_device_uuid, { "Device UUID", "lltd.device_uuid", FT_GUID, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_char_e, {"Layer 2 Forwarding", "lltd.qos_characteristic.layer2_forwarding", FT_BOOLEAN, 32, TFS(&tfs_true_false), LLTD_QOS_CHARACTERISTIC_E_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_qos_char_q, {"802.1q VLAN", "lltd.qos_characteristic.vlan", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), LLTD_QOS_CHARACTERISTIC_Q_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_qos_char_p, {"802.1q Priority Tagging", "lltd.qos_characteristic.tagging", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), LLTD_QOS_CHARACTERISTIC_P_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_qos_char_reserved, {"Reserved", "lltd.qos_characteristic.reserved", FT_UINT32, BASE_HEX, NULL, LLTD_QOS_CHARACTERISTIC_RESERVE_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_80211_physical_medium, {"802.11 Physical Medium", "lltd.80211_physical_medium", FT_UINT8, BASE_HEX, VALS(lltd_80211_physical_medium_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_sees_list_working_set, {"Sees-List Working Set", "lltd.sees_list_working_set", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_repeater_ap_lineage, { "Address Path to Root", "lltd.address_path_to_root", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_emit_num_descs, {"Number of EmiteeDescs", "lltd.emit.num_descs", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_emit_type, {"Type", "lltd.emit.type", FT_UINT8, BASE_HEX, VALS(lltd_emit_type_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_emit_pause, {"Pause (ms)", "lltd.emit.pause", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_emit_src_addr, { "Source Address", "lltd.emit.src_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_emit_dest_addr, { "Destination Address", "lltd.emit.dest_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_queryresp_more_descs, {"More RecveeDescs", "lltd.queryresp.more", FT_BOOLEAN, 16, TFS(&tfs_true_false), LLTD_QUERY_RESP_M_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_queryresp_memory_descs, {"No memory left", "lltd.queryresp.memory", FT_BOOLEAN, 16, TFS(&tfs_true_false), LLTD_QUERY_RESP_E_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_queryresp_num_descs, {"Number of RecveeDescs", "lltd.queryresp.num_descs", FT_UINT16, BASE_DEC, NULL, LLTD_QUERY_RESP_NUM_DESCS_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_queryresp_type, {"Type", "lltd.queryresp.type", FT_UINT16, BASE_HEX, VALS(lltd_queryresp_type_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_queryresp_real_src_addr, { "Real Source Address", "lltd.queryresp.real_src_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_queryresp_ethernet_src_addr, { "Ethernet Source Address", "lltd.queryresp.ethernet_src_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_queryresp_ethernet_dest_addr, { "Ethernet Destination Address", "lltd.queryresp.ethernet_dest_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_flat_crc_bytes, {"Current Transmit Credit (bytes)", "lltd.flat.crc_bytes", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_flat_crc_packets, {"Current Transmit Credit (packets)", "lltd.flat.crc_packets", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_query_large_tlv_type, {"Type", "lltd.query_large_tlv.type", FT_UINT8, BASE_HEX, VALS(lltd_query_large_tlv_type_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_query_large_tlv_offset, {"Offset", "lltd.query_large_tlv.offset", FT_UINT24, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_querylargeresp_more_descs, {"More RecveeDescs", "lltd.querylargeresp.more", FT_BOOLEAN, 16, TFS(&tfs_true_false), LLTD_QUERY_RESP_M_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_querylargeresp_memory_descs, {"No memory left", "lltd.querylargeresp.memory", FT_BOOLEAN, 16, TFS(&tfs_true_false), LLTD_QUERY_RESP_E_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_querylargeresp_num_descs, {"Number of RecveeDescs", "lltd.querylargeresp.num_descs", FT_UINT16, BASE_DEC, NULL, LLTD_QUERY_RESP_NUM_DESCS_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_querylargeresp_data, { "Data", "lltd.querylargeresp.data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
|
|
{ &hf_lltd_qos_diag_func, {"QoS Diagnostics function", "lltd.qos_diag", FT_UINT8, BASE_HEX, VALS(lltd_qos_diag_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_real_dest_addr, { "Real Destination Address", "lltd.qos.real_dest_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_real_src_addr, { "Real Source Address", "lltd.qos.real_src_addr", FT_ETHER, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_seq_num, {"Sequence Number", "lltd.qos.seq_num", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_initialize_interrupt_mod, {"Interrupt Mod", "lltd.qos_initialize.interrupt_mod", FT_UINT8, BASE_HEX, VALS(lltd_interrupt_mod_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_ready_sink_link_speed, {"Sink Link Speed (100 bps)", "lltd.qos_ready.sink_link_speed", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_ready_perf_count_freq, {"Performance Counter Frequency", "lltd.qos_ready.performance_count_freq", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_probe_controller_transmit_timestamp, {"Controller Transmit Timestamp", "lltd.qos_probe.controller_transmit_timestamp", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_probe_sink_receive_timestamp, {"Sink Receive Timestamp", "lltd.qos_probe.sink_receive_timestamp", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_probe_sink_transmit_timestamp, {"Sink Transmit Timestamp", "lltd.qos_probe.sink_transmit_timestamp", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_probe_test_type, {"Test Type", "lltd.qos_probe.test_type", FT_UINT8, BASE_HEX, VALS(lltd_qos_probe_test_type_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_probe_packet_id, {"Packet ID", "lltd.qos_probe.packet_id", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_probe_t, {"802.1p Tag", "lltd.qos_probe.tag", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x80, NULL, HFILL }},
|
|
{ &hf_lltd_qos_probe_8021p_value, {"802.1p Value", "lltd.qos_probe.value", FT_UINT8, BASE_DEC, NULL, 0x7F, NULL, HFILL }},
|
|
{ &hf_lltd_qos_probe_payload, {"Payload", "lltd.qos_probe.payload", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_error_value, {"Error Code", "lltd.qos_error", FT_UINT16, BASE_DEC, VALS(lltd_qos_error_vals), 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_count_snapshot_history, {"History Size", "lltd.qos_count_snapshot.history", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_query_resp_r, {"Receipt", "lltd.qos_query_resp.receipt", FT_BOOLEAN, 16, TFS(&tfs_true_false), LLTD_QUERY_RESP_M_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_qos_query_resp_e, {"No memory left", "lltd.qos_query_resp.memory", FT_BOOLEAN, 16, TFS(&tfs_true_false), LLTD_QUERY_RESP_E_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_qos_query_resp_num_events, {"Number of Events", "lltd.qos_query_resp.num_events", FT_UINT16, BASE_DEC, NULL, LLTD_QUERY_RESP_NUM_DESCS_MASK, NULL, HFILL }},
|
|
{ &hf_lltd_qos_query_resp_controller_timestamp, {"Controller Transmit Timestamp", "lltd.qos_query_resp.controller_timestamp", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_query_resp_sink_timestamp, {"Sink Receive Timestamp", "lltd.qos_query_resp.sink_timestamp", FT_UINT64, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_query_resp_packet_id, {"Packet ID", "lltd.qos_query_resp.packet_id", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_query_resp_reserved, {"Reserved", "lltd.qos_query_resp.reserved", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_counter_result_subsec_span, {"Subsecond Span (1/256th sec)", "lltd.qos_counter_result.subsec_span", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_counter_result_byte_scale, {"Byte Scale (kb)", "lltd.qos_counter_result.byte_scale", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_counter_result_packet_scale, {"Packet Scale", "lltd.qos_counter_result.packet_scale", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_counter_result_history_size, {"History Size", "lltd.qos_counter_result.history_size", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_snapshot_bytes_recv, {"Bytes Received", "lltd.qos_snapshot.bytes_recv", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_snapshot_packets_recv, {"Packets Received", "lltd.qos_snapshot.packets_recv", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_snapshot_bytes_sent, {"Bytes Sent", "lltd.qos_snapshot.bytes_sent", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
|
|
{ &hf_lltd_qos_snapshot_packets_sent, {"Packets Sent", "lltd.qos_snapshot.packets_sent", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_lltd,
|
|
&ett_base_header,
|
|
&ett_discover_stations,
|
|
&ett_tlv,
|
|
&ett_tlv_item,
|
|
&ett_characteristics,
|
|
&ett_qos_characteristics,
|
|
&ett_repeater_ap_lineage,
|
|
&ett_emitee_descs,
|
|
&ett_emitee_descs_item,
|
|
&ett_recvee_descs,
|
|
&ett_recvee_descs_item,
|
|
&ett_qos_event_descs,
|
|
&ett_qos_event_item,
|
|
&ett_qos_snapshot_list,
|
|
&ett_qos_snapshot_item
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_lltd_tlv_length_invalid, { "lltd.tlv.length.invalid", PI_MALFORMED, PI_ERROR, "Invalid length", EXPFILL }},
|
|
{ &ei_lltd_char_reserved, { "lltd.characteristic.reserved.not_zero", PI_PROTOCOL, PI_WARN, "Non zero reserve bits", EXPFILL }},
|
|
{ &ei_lltd_too_many_paths, { "lltd.too_many_paths", PI_PROTOCOL, PI_WARN, "Too many paths to root", EXPFILL }},
|
|
{ &ei_lltd_tlv_type, { "lltd.tlv.type.invalid", PI_PROTOCOL, PI_WARN, "Invalid TLV Type 0x%02x", EXPFILL }},
|
|
{ &ei_lltd_discovery_func, { "lltd.discovery.invalid", PI_PROTOCOL, PI_WARN, "Invalid function 0x%02x", EXPFILL }},
|
|
{ &ei_lltd_qos_seq_num, { "lltd.qos.seq_num.cannot_be_zero", PI_PROTOCOL, PI_WARN, "Sequence number can not be 0", EXPFILL }},
|
|
{ &ei_lltd_qos_diag_func, { "lltd.qos_diag.invalid", PI_PROTOCOL, PI_WARN, "Invalid function 0x%02x", EXPFILL }},
|
|
{ &ei_lltd_type_of_service, { "lltd.tos.invalid", PI_PROTOCOL, PI_WARN, "Invalid Type of Service value 0x%02x", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_lltd;
|
|
|
|
proto_lltd = proto_register_protocol("Link Layer Topology Discovery", "LLTD", "lltd");
|
|
proto_register_field_array(proto_lltd, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_lltd = expert_register_protocol(proto_lltd);
|
|
expert_register_field_array(expert_lltd, ei, array_length(ei));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_lltd(void)
|
|
{
|
|
dissector_handle_t lltd_handle;
|
|
lltd_handle = create_dissector_handle(dissect_lltd, proto_lltd);
|
|
dissector_add_uint("ethertype", ETHERTYPE_LLTD, lltd_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|