1365 lines
63 KiB
C
1365 lines
63 KiB
C
/*
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* packet-s5066dts.c
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* Routines for STANAG 5066 DTS layer packet dissection
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*
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* Copyright (c) 2013
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* by Ibrahim Can Yuce <canyuce [at] gmail [dot] com>
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* by M. Baris Demiray <baris.demiray [at] gmail [dot] com>
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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/prefs.h>
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#include <epan/expert.h>
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#include "packet-tcp.h" /* For tcp_dissect_pdus() */
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#include <epan/crc16-tvb.h>
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#include <epan/crc32-tvb.h>
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#include <wiretap/wtap.h>
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#define DISSECTOR_NAME "s5066dts"
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/* STANAG 5066 DPDU properties */
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#define S5066_DPDU_MAX_DPDU_SIZE 1070
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#define S5066_DPDU_FRAME_HEADER_LEN 15
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/* Header field index (in bytes) and size (in bits) constants */
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#define S5066_DPDU_EOW_TYPE_INDEX 2
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#define S5066_DPDU_EOW_CONTENT_INDEX 3
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#define S5066_DPDU_EOT_INDEX 4
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#define S5066_DPDU_SIZE_OF_ADDRESS_INDEX 5
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#define S5066_DPDU_SIZE_OF_HEADER_INDEX 5
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#define S5066_DPDU_SYNC_SEQUENCE_SIZE 2 /*bytes*/
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/* D_PDU message types */
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#define S5066_DPDU_DATA_ONLY 0
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#define S5066_DPDU_ACK_ONLY 1
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#define S5066_DPDU_DATA_ACK 2
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#define S5066_DPDU_RESET_WIN_RESYNC 3
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#define S5066_DPDU_EXP_DATA_ONLY 4
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#define S5066_DPDU_EXP_ACK_ONLY 5
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#define S5066_DPDU_MANAGEMENT 6
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#define S5066_DPDU_NON_ARQ_DATA 7
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#define S5066_DPDU_EXP_NON_ARQ_DATA 8
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#define S5066_DPDU_WARNING 15
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/* EOW message types */
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#define S5066_EOW_RESERVED 0
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#define S5066_EOW_DRC_REQUEST 1
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#define S5066_EOW_DRC_RESPONSE 2
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#define S5066_EOW_UNRECOGNIZED_TYPE 3
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#define S5066_EOW_CAPABILITY 4
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#define S5066_EOW_ALM_REQUEST 5
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#define S5066_EOW_ALM_RESPONSE 6
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#define S5066_EOW_HDR_DRC_REQUEST 7
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#define S5066_EOW_HFTRP_TOKEN 15
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void proto_register_s5066dts(void);
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static gint proto_s5066dts = -1;
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/* Configuration parameters */
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static gboolean config_proto_desegment = TRUE;
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/* Initialize expert fields */
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static expert_field ei_s5066dts_eow_hdr_drc_request_invalid = EI_INIT;
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static expert_field ei_s5066dts_eow_hftrp_invalid = EI_INIT;
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/* TCP port that will be listened by the application that peer
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* dts layers will be connected through
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*/
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static range_t *config_s5066dts_ports = NULL;
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static gint hf_s5066dts_sync_word = -1;
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static gint hf_s5066dts_dpdu_type = -1;
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static gint hf_s5066dts_eow_type = -1;
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static gint hf_s5066dts_eow_data = -1;
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static gint hf_s5066dts_eot = -1;
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static gint hf_s5066dts_address_size = -1;
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static gint hf_s5066dts_header_size = -1;
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static gint hf_s5066dts_header_crc = -1;
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static gint hf_s5066dts_cpdu_crc = -1;
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static gint hf_s5066dts_segmented_cpdu = -1;
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static gint hf_s5066dts_dest_addr = -1;
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static gint hf_s5066dts_src_addr = -1;
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/* EOW TYPES */
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/* { 1, "DRC_REQUEST"}, */
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static gint hf_s5066dts_eow_drc_request_data_rate = -1;
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static gint hf_s5066dts_eow_drc_request_interleaving = -1;
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static gint hf_s5066dts_eow_drc_request_others = -1;
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/* { 2, "DRC_RESPONSE"}, */
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static gint hf_s5066dts_eow_drc_response_response = -1;
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static gint hf_s5066dts_eow_drc_response_reason = -1;
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/* { 3, "UNRECOGNIZED_TYPE"}, */
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static gint hf_s5066dts_eow_unrec_type_response = -1;
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static gint hf_s5066dts_eow_unrec_type_reason = -1;
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/* { 4, "CAPABILITY"}, */
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static gint hf_s5066dts_eow_capability_adaptive = -1;
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static gint hf_s5066dts_eow_capability_stanag_4529 = -1;
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static gint hf_s5066dts_eow_capability_mil_std_188_110a = -1;
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static gint hf_s5066dts_eow_capability_extended = -1;
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static gint hf_s5066dts_eow_capability_full_duplex = -1;
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static gint hf_s5066dts_eow_capability_split_frequency = -1;
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static gint hf_s5066dts_eow_capability_non_arcs_ale = -1;
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static gint hf_s5066dts_eow_capability_arcs = -1;
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/* { 5, "ALM_REQUEST"}, */
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static gint hf_s5066dts_eow_alm_request_data_rate = -1;
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static gint hf_s5066dts_eow_alm_request_interleaving = -1;
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static gint hf_s5066dts_eow_alm_request_others = -1;
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/* { 6, "ALM_RESPONSE"}, */
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static gint hf_s5066dts_eow_alm_response_response = -1;
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static gint hf_s5066dts_eow_alm_response_reason = -1;
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/* { 7, "HDR_DRC_REQUEST"}, */
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static gint hf_s5066dts_eow_hdr_drc_request_waveform = -1;
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static gint hf_s5066dts_eow_hdr_drc_request_num_channels = -1;
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static gint hf_s5066dts_eow_hdr_drc_request_data_rate = -1;
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static gint hf_s5066dts_eow_hdr_drc_request_interleaver_length = -1;
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/* {15, "HFTRP FRAME CONTROL"}, */
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static gint hf_s5066dts_eow_hftrp_hftrp_token = -1;
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/* DPDU TYPES */
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/* { 0, "DATA_ONLY"}, */
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static gint hf_s5066dts_data_only_cpdu_start = -1;
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static gint hf_s5066dts_data_only_cpdu_end = -1;
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static gint hf_s5066dts_data_only_deliver_in_order = -1;
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static gint hf_s5066dts_data_only_drop_cpdu = -1;
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static gint hf_s5066dts_data_only_tx_win_uwe = -1;
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static gint hf_s5066dts_data_only_tx_win_lwe = -1;
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static gint hf_s5066dts_data_only_segmented_cpdu_size = -1;
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static gint hf_s5066dts_data_only_transmit_sequence_number = -1;
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/* { 1, "ACK_ONLY"}, */
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static gint hf_s5066dts_ack_only_rx_lwe = -1;
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static gint hf_s5066dts_ack_only_acks = -1;
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/* { 2, "DATA_ACK"}, */
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static gint hf_s5066dts_data_ack_cpdu_start = -1;
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static gint hf_s5066dts_data_ack_cpdu_end = -1;
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static gint hf_s5066dts_data_ack_deliver_in_order = -1;
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static gint hf_s5066dts_data_ack_drop_cpdu = -1;
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static gint hf_s5066dts_data_ack_tx_win_uwe = -1;
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static gint hf_s5066dts_data_ack_tx_win_lwe = -1;
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static gint hf_s5066dts_data_ack_segmented_cpdu_size = -1;
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static gint hf_s5066dts_data_ack_transmit_sequence_number = -1;
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static gint hf_s5066dts_data_ack_rx_lwe = -1;
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static gint hf_s5066dts_data_ack_acks = -1;
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/* { 3, "RESET_WIN_RESYNC"}, */
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static gint hf_s5066dts_reset_win_resync_unused = -1;
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static gint hf_s5066dts_reset_win_resync_full_reset_command = -1;
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static gint hf_s5066dts_reset_win_resync_reset_tx_win_rqst = -1;
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static gint hf_s5066dts_reset_win_resync_reset_rx_win_cmnd = -1;
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static gint hf_s5066dts_reset_win_resync_reset_ack = -1;
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static gint hf_s5066dts_reset_win_resync_new_rx_lwe = -1;
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static gint hf_s5066dts_reset_win_resync_reset_frame_id_number = -1;
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/* { 4, "EXP_DATA_ONLY"}, */
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static gint hf_s5066dts_exp_data_only_cpdu_start = -1;
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static gint hf_s5066dts_exp_data_only_cpdu_end = -1;
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static gint hf_s5066dts_exp_data_only_cpdu_id = -1;
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static gint hf_s5066dts_exp_data_only_segmented_cpdu_size = -1;
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static gint hf_s5066dts_exp_data_only_transmit_sequence_number = -1;
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/* { 5, "EXP_ACK_ONLY"}, */
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static gint hf_s5066dts_exp_ack_only_rx_lwe = -1;
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static gint hf_s5066dts_exp_ack_only_acks = -1;
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/* { 6, "MANAGEMENT"}, */
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static gint hf_s5066dts_management_unused = -1;
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static gint hf_s5066dts_management_extended_message_flag = -1;
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static gint hf_s5066dts_management_message = -1;
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static gint hf_s5066dts_management_ack = -1;
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static gint hf_s5066dts_management_management_frame_id = -1;
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static gint hf_s5066dts_management_extended_message = -1;
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static gint hf_s5066dts_management_extended_message_hftrp_payload_size = -1;
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static gint hf_s5066dts_management_extended_message_hftrp_ra = -1;
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static gint hf_s5066dts_management_extended_message_hftrp_seq_id = -1;
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static gint hf_s5066dts_management_extended_message_hftrp_gen_seq_id = -1;
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static gint hf_s5066dts_management_extended_message_hftrp_new_successor_id = -1;
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static gint hf_s5066dts_management_extended_message_hftrp_number_of_nodes = -1;
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/* { 7, "NON_ARQ_DATA"}, */
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static gint hf_s5066dts_non_arq_data_cpdu_id_1 = -1;
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static gint hf_s5066dts_non_arq_data_deliver_in_order = -1;
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static gint hf_s5066dts_non_arq_data_group_address = -1;
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static gint hf_s5066dts_non_arq_data_cpdu_id_2 = -1;
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static gint hf_s5066dts_non_arq_data_cpdu_size = -1;
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static gint hf_s5066dts_non_arq_data_cpdu_segment_offset = -1;
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static gint hf_s5066dts_non_arq_data_cpdu_reception_window = -1;
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static gint hf_s5066dts_non_arq_data_segmented_cpdu_size = -1;
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/* { 8, "EXP_NON_ARQ_DATA"}, */
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static gint hf_s5066dts_exp_non_arq_data_cpdu_id_1 = -1;
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static gint hf_s5066dts_exp_non_arq_data_deliver_in_order = -1;
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static gint hf_s5066dts_exp_non_arq_data_group_address = -1;
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static gint hf_s5066dts_exp_non_arq_data_cpdu_id_2 = -1;
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static gint hf_s5066dts_exp_non_arq_data_cpdu_size = -1;
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static gint hf_s5066dts_exp_non_arq_data_cpdu_segment_offset = -1;
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static gint hf_s5066dts_exp_non_arq_data_cpdu_reception_window = -1;
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static gint hf_s5066dts_exp_non_arq_data_segmented_cpdu_size = -1;
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/* {15, "WARNING"}, */
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static gint hf_s5066dts_warning_frame_type = -1;
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static gint hf_s5066dts_warning_reason = -1;
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static gint ett_s5066dts = -1;
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static gint ett_s5066dts_eow = -1;
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static gint ett_s5066dts_address = -1;
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static gint ett_s5066dts_pdu = -1;
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static gint ett_s5066dts_hftrp_token = -1;
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static const value_string s5066dts_dpdu_type[] = {
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{ 0, "DATA_ONLY"},
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{ 1, "ACK_ONLY"},
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{ 2, "DATA_ACK"},
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{ 3, "RESET_WIN_RESYNC"},
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{ 4, "EXP_DATA_ONLY"},
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{ 5, "EXP_ACK_ONLY"},
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{ 6, "MANAGEMENT"},
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{ 7, "NON_ARQ_DATA"},
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{ 8, "EXP_NON_ARQ_DATA"},
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{15, "WARNING"},
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{ 0, NULL},
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};
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static const value_string s5066dts_eow_type[] = {
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{ 0, "RESERVED"},
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{ 1, "DRC_REQUEST"},
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{ 2, "DRC_RESPONSE"},
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{ 3, "UNRECOGNIZED_TYPE"},
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{ 4, "CAPABILITY"},
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{ 5, "ALM_REQUEST"},
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{ 6, "ALM_RESPONSE"},
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{ 7, "HDR_DRC_REQUEST"},
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{ 15, "HFTRP_TOKEN"},
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{ 0, NULL},
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};
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static const value_string s5066dts_eow_data_rate[] = {
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{ 0, "75 bps"},
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{ 1, "150 bps"},
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{ 2, "300 bps"},
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{ 3, "600 bps"},
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{ 4, "1200 bps"},
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{ 5, "2400 bps"},
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{ 6, "3200 bps"},
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{ 7, "3600 bps"},
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{ 8, "4800 bps"},
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{ 9, "6400 bps"},
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{ 10, "8000 bps"},
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{ 11, "9600 bps"},
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{ 0, NULL},
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};
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static const value_string s5066dts_eow_interleaving[] = {
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{ 0, "No interleaving"},
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{ 1, "Short interleaving"},
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{ 2, "Long interleaving"},
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{ 3, "Reserved"},
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{ 0, NULL},
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};
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static const value_string s5066dts_eow_others[] = {
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{ 0, "Request: Master has independent data rate"},
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{ 1, "Request: Tx=Rx at master"},
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{ 2, "Advisory: Advising node has independent data rate"},
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{ 3, "Advisory: Tx=Rx at advising node"},
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{ 0, NULL},
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};
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static const value_string s5066dts_eow_response[] = {
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{ 0, "Accept"},
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{ 1, "Refuse"},
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{ 2, "Cancel"},
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{ 3, "Confirm"},
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{ 0, NULL},
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};
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static const value_string s5066dts_eow_reason[] = {
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{ 0, "No reason"},
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{ 1, "Tx and Rx parameters must be the same"},
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{ 2, "Not possible to change modem data rate"},
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{ 3, "Not possible to change modem interleaving"},
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{ 4, "Not possible to change modem data rate or interleaving"},
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{ 5, "Not consistent with local conditions"},
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{ 0, NULL},
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};
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static const value_string s5066dts_eow_waveform[] = {
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{ 0, "MS110A"},
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{ 1, "MS110B"},
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{ 2, "STANAG_4285"},
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{ 3, "STANAG_4539"},
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{ 4, "STANAG_4529"},
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{ 5, "STANAG_4415"},
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{ 6, "STANAG_4481_FSK"},
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{ 7, "USER_CONFIGURATION_OPTION_1"},
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{ 8, "USER_CONFIGURATION_OPTION_2"},
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{ 9, "USER_CONFIGURATION_OPTION_3"},
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{ 0, NULL},
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};
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/* Used in Packet List pane */
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static const value_string s5066dts_eow_hftrp_frame_control_abbr[] = {
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{ 1, "RTT"},
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{ 2, "ACK"},
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{ 3, "SLS"},
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{ 4, "SET"},
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{ 5, "REL"},
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{ 6, "DEL"},
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{ 0, NULL},
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};
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/* Used in Packet Details pane */
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static const value_string s5066dts_eow_hftrp_frame_control[] = {
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{ 1, "RTT - Right-to-transmit Token"},
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{ 2, "ACK - Acknowledgment Token"},
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{ 3, "SLS - Solicit Successor Token"},
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{ 4, "SET - Set Successor Token"},
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{ 5, "REL - Relayed Token"},
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{ 6, "DEL - Delete Token"},
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{ 0, NULL},
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};
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static const value_string s5066dts_alm_reason[] = {
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{ 0, "No reason"},
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{ 1, "Tx and Rx parameters must be the same"},
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{ 2, "Not possible to change modem data rate"},
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{ 3, "Not possible to change modem interleaving"},
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{ 4, "Not possible to change modem data rate or interleaving"},
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{ 5, "Not consistent with local conditions"},
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{ 6, "Not possible to change frequency"},
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{ 0, NULL},
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};
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/* Register functions' forward references */
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void proto_reg_handoff_s5066dts(void);
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/* { 1, "DRC_REQUEST"}, */
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static void dissect_s5066dts_eow_drc_request(tvbuff_t *tvb, guint offset, proto_tree *tree)
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{
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proto_tree_add_item(tree, hf_s5066dts_eow_drc_request_data_rate, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(tree, hf_s5066dts_eow_drc_request_interleaving, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(tree, hf_s5066dts_eow_drc_request_others, tvb, offset, 1, ENC_BIG_ENDIAN);
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}
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/* { 2, "DRC_RESPONSE"}, */
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static void dissect_s5066dts_eow_drc_response(tvbuff_t *tvb, guint offset, proto_tree *tree)
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{
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proto_tree_add_item(tree, hf_s5066dts_eow_drc_response_response, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(tree, hf_s5066dts_eow_drc_response_reason, tvb, offset, 1, ENC_BIG_ENDIAN);
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}
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/* { 3, "UNRECOGNIZED_TYPE"}, */
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static void dissect_s5066dts_eow_unrec_type(tvbuff_t *tvb, guint offset, proto_tree *tree)
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{
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proto_tree_add_item(tree, hf_s5066dts_eow_unrec_type_response, tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(tree, hf_s5066dts_eow_unrec_type_reason, tvb, offset, 1, ENC_BIG_ENDIAN);
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}
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/* { 4, "CAPABILITY"}, */
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static void dissect_s5066dts_eow_capability(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_capability_adaptive, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_capability_stanag_4529, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_capability_mil_std_188_110a, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_capability_extended, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_capability_full_duplex, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_capability_split_frequency, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_capability_non_arcs_ale, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_capability_arcs, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* { 5, "ALM_REQUEST"}, */
|
|
static void dissect_s5066dts_eow_alm_request(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_alm_request_data_rate, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_alm_request_interleaving, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_alm_request_others, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* { 6, "ALM_RESPONSE"}, */
|
|
static void dissect_s5066dts_eow_alm_response(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_alm_response_response, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_alm_response_reason, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* { 7, "HDR_DRC_REQUEST"}, */
|
|
static void dissect_s5066dts_eow_hdr_drc_request(tvbuff_t *tvb, packet_info * pinfo, guint offset,
|
|
proto_tree *tree, guint pdu_type)
|
|
{
|
|
|
|
if (pdu_type != S5066_DPDU_MANAGEMENT)
|
|
{
|
|
expert_add_info(pinfo, tree, &ei_s5066dts_eow_hdr_drc_request_invalid);
|
|
return;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_hdr_drc_request_waveform, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_hdr_drc_request_num_channels, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
}
|
|
|
|
/* {15, "HFTRP FRAME CONTROL"}, */
|
|
static void dissect_s5066dts_eow_hftrp(tvbuff_t *tvb, packet_info * pinfo, guint offset,
|
|
proto_tree *tree, guint pdu_type)
|
|
{
|
|
if (pdu_type != S5066_DPDU_MANAGEMENT)
|
|
{
|
|
expert_add_info(pinfo, tree, &ei_s5066dts_eow_hftrp_invalid);
|
|
return;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_hftrp_hftrp_token, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/*
|
|
* Dissect EOW type according to C.5 EOW and Management Message Types
|
|
*/
|
|
static guint dissect_s5066dts_eow(tvbuff_t *tvb, packet_info * pinfo, guint offset, proto_tree *tree,
|
|
guint pdu_type)
|
|
{
|
|
proto_tree *eow_tree;
|
|
guint eow_type;
|
|
|
|
eow_type = tvb_get_guint8(tvb, offset) & 0x0F;
|
|
eow_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_s5066dts_eow, NULL, "EOW Field");
|
|
proto_tree_add_item(eow_tree, hf_s5066dts_eow_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
|
|
switch (eow_type)
|
|
{
|
|
case S5066_EOW_RESERVED:
|
|
proto_tree_add_item(eow_tree, hf_s5066dts_eow_data, tvb, offset, 1, ENC_BIG_ENDIAN); break;
|
|
case S5066_EOW_DRC_REQUEST:
|
|
dissect_s5066dts_eow_drc_request(tvb, offset, eow_tree); break;
|
|
case S5066_EOW_DRC_RESPONSE:
|
|
dissect_s5066dts_eow_drc_response(tvb, offset, eow_tree); break;
|
|
case S5066_EOW_UNRECOGNIZED_TYPE:
|
|
dissect_s5066dts_eow_unrec_type(tvb, offset, eow_tree); break;
|
|
case S5066_EOW_CAPABILITY:
|
|
dissect_s5066dts_eow_capability(tvb, offset, eow_tree); break;
|
|
case S5066_EOW_ALM_REQUEST:
|
|
dissect_s5066dts_eow_alm_request(tvb, offset, eow_tree); break;
|
|
case S5066_EOW_ALM_RESPONSE:
|
|
dissect_s5066dts_eow_alm_response(tvb, offset, eow_tree); break;
|
|
case S5066_EOW_HDR_DRC_REQUEST:
|
|
dissect_s5066dts_eow_hdr_drc_request(tvb, pinfo, offset, eow_tree, pdu_type); break;
|
|
case S5066_EOW_HFTRP_TOKEN:
|
|
dissect_s5066dts_eow_hftrp(tvb, pinfo, offset, eow_tree, pdu_type); break;
|
|
}
|
|
return ++offset;
|
|
}
|
|
|
|
static void
|
|
s5066dts_address_format( gchar *result, guint32 address_value )
|
|
{
|
|
snprintf( result, ITEM_LABEL_LENGTH, "%d.%d.%d.%d",
|
|
address_value >> 24,
|
|
(address_value >> 16) & 0xFF,
|
|
(address_value >> 8) & 0xFF,
|
|
address_value & 0xFF);
|
|
}
|
|
|
|
static guint dissect_s5066dts_address(tvbuff_t *tvb, guint offset, proto_tree *tree, packet_info *pinfo,
|
|
guint addr_size)
|
|
{
|
|
guint32 source_address = 0, destination_address = 0;
|
|
proto_tree *address_tree;
|
|
unsigned int i;
|
|
|
|
for ( i = 0; i < addr_size; i++)
|
|
{
|
|
destination_address = (destination_address << 4) | ((!(i % 2)
|
|
? (tvb_get_guint8(tvb, offset + i / 2) >> 4)
|
|
: (tvb_get_guint8(tvb, offset + i / 2))) & 0x0F);
|
|
source_address = (source_address << 4) | ((!((i + addr_size) % 2)
|
|
? (tvb_get_guint8(tvb, offset + (i + addr_size) / 2) >> 4)
|
|
: (tvb_get_guint8(tvb, offset + (i + addr_size) / 2))) & 0x0F);
|
|
}
|
|
|
|
address_tree = proto_tree_add_subtree(tree, tvb, offset, addr_size, ett_s5066dts_address, NULL, "Destination & Source Addresses");
|
|
|
|
proto_tree_add_uint(address_tree, hf_s5066dts_dest_addr, tvb, offset, addr_size - addr_size / 2, destination_address);
|
|
proto_tree_add_uint(address_tree, hf_s5066dts_src_addr, tvb, offset + addr_size / 2, addr_size - addr_size / 2, source_address);
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_DEF_SRC, "%d.%d.%d.%d",
|
|
source_address >> 24,
|
|
(source_address >> 16) & 0xFF,
|
|
(source_address >> 8) & 0xFF,
|
|
source_address & 0xFF);
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_DEF_DST, "%d.%d.%d.%d",
|
|
destination_address >> 24,
|
|
(destination_address >> 16) & 0xFF,
|
|
(destination_address >> 8) & 0xFF,
|
|
destination_address & 0xFF);
|
|
|
|
offset += addr_size;
|
|
return offset;
|
|
}
|
|
|
|
static guint dissect_s5066dts_header_crc(tvbuff_t *tvb, guint offset, proto_tree *tree,
|
|
guint address_size, guint header_size)
|
|
{
|
|
guint16 header_crc;
|
|
proto_item *ti;
|
|
|
|
header_crc = crc16_0x9949_tvb_offset_seed(tvb, S5066_DPDU_SYNC_SEQUENCE_SIZE,
|
|
header_size + address_size - S5066_DPDU_SYNC_SEQUENCE_SIZE, 0);
|
|
|
|
ti = proto_tree_add_item(tree, hf_s5066dts_header_crc, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
if (header_crc == tvb_get_letohs(tvb, offset))
|
|
proto_item_append_text(ti, " (Correct)");
|
|
else
|
|
proto_item_append_text(ti, " (Incorrect, should be %x)", header_crc);
|
|
|
|
offset += 2;
|
|
return offset;
|
|
}
|
|
|
|
static guint dissect_s5066dts_cpdu_crc(tvbuff_t *tvb, guint offset, proto_tree *tree,
|
|
guint address_size, guint header_size, guint segmented_cpdu_size)
|
|
{
|
|
guint32 cpdu_crc;
|
|
proto_item *ti;
|
|
|
|
cpdu_crc = crc32_0x0AA725CF_tvb_offset_seed(tvb, header_size + address_size + S5066_DPDU_SYNC_SEQUENCE_SIZE,
|
|
segmented_cpdu_size, 0);
|
|
|
|
ti = proto_tree_add_item(tree, hf_s5066dts_cpdu_crc, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
if (cpdu_crc == tvb_get_letohl(tvb, offset))
|
|
proto_item_append_text(ti, " (Correct)");
|
|
else
|
|
proto_item_append_text(ti, " (Incorrect, should be %x)", cpdu_crc);
|
|
|
|
offset +=4;
|
|
return offset;
|
|
}
|
|
|
|
/* { 0, "DATA_ONLY"}, */
|
|
static guint dissect_s5066dts_data_only(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_data_only_cpdu_start, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_only_cpdu_end, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_only_deliver_in_order, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_only_drop_cpdu, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_only_tx_win_uwe, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_only_tx_win_lwe, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_only_segmented_cpdu_size, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_data_only_transmit_sequence_number, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* { 1, "ACK_ONLY"}, */
|
|
static guint dissect_s5066dts_ack_only(tvbuff_t *tvb, guint offset, proto_tree *tree,
|
|
guint header_size)
|
|
{
|
|
guint ack_size;
|
|
ack_size = header_size - 7;
|
|
|
|
proto_tree_add_item(tree, hf_s5066dts_ack_only_rx_lwe, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
if (ack_size > 0){
|
|
proto_tree_add_item(tree, hf_s5066dts_ack_only_acks, tvb, offset, ack_size, ENC_NA); offset += ack_size;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* { 2, "DATA_ACK"}, */
|
|
static guint dissect_s5066dts_data_ack(tvbuff_t *tvb, guint offset, proto_tree *tree,
|
|
guint header_size)
|
|
{
|
|
guint ack_size;
|
|
ack_size = header_size - 10;
|
|
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_cpdu_start, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_cpdu_end, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_deliver_in_order, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_drop_cpdu, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_tx_win_uwe, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_tx_win_lwe, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_segmented_cpdu_size, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_transmit_sequence_number, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_rx_lwe, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
if (ack_size > 0){
|
|
proto_tree_add_item(tree, hf_s5066dts_data_ack_acks, tvb, offset, ack_size, ENC_NA); offset += ack_size;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* { 3, "RESET_WIN_RESYNC"}, */
|
|
static guint dissect_s5066dts_reset_win_resync(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_reset_win_resync_unused, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_reset_win_resync_full_reset_command, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_reset_win_resync_reset_tx_win_rqst, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_reset_win_resync_reset_rx_win_cmnd, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_reset_win_resync_reset_ack, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
proto_tree_add_item(tree, hf_s5066dts_reset_win_resync_new_rx_lwe, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
proto_tree_add_item(tree, hf_s5066dts_reset_win_resync_reset_frame_id_number, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* { 4, "EXP_DATA_ONLY"}, */
|
|
static guint dissect_s5066dts_exp_data_only(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_data_only_cpdu_start, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_data_only_cpdu_end, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_data_only_cpdu_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_data_only_segmented_cpdu_size, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_data_only_transmit_sequence_number, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* { 5, "EXP_ACK_ONLY"}, */
|
|
static guint dissect_s5066dts_exp_ack_only(tvbuff_t *tvb, guint offset, proto_tree *tree,
|
|
guint header_size)
|
|
{
|
|
guint ack_size;
|
|
ack_size = header_size - 7;
|
|
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_ack_only_rx_lwe, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
if (ack_size > 0)
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_ack_only_acks, tvb, offset, ack_size, ENC_NA);
|
|
offset += ack_size;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* { 6, "MANAGEMENT"}, */
|
|
static guint dissect_s5066dts_management(tvbuff_t *tvb, guint offset, proto_tree *tree, guint header_size)
|
|
{
|
|
guint8 eow_content;
|
|
proto_tree *hftrp_token_tree = NULL;
|
|
guint eow_type;
|
|
guint extended_message_size;
|
|
|
|
eow_type = tvb_get_guint8(tvb, offset) & 0x0F;
|
|
eow_content = tvb_get_guint8(tvb, S5066_DPDU_EOW_CONTENT_INDEX);
|
|
extended_message_size = header_size - 8;
|
|
|
|
proto_tree_add_item(tree, hf_s5066dts_management_unused, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_management_extended_message_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_management_message, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_management_ack, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
proto_tree_add_item(tree, hf_s5066dts_management_management_frame_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
if (eow_type == S5066_EOW_HDR_DRC_REQUEST)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_hdr_drc_request_data_rate, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(tree, hf_s5066dts_eow_hdr_drc_request_interleaver_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
}
|
|
else if (extended_message_size > 0)
|
|
{
|
|
/* If eow type is 15 then parse HFTRP token details */
|
|
if (eow_type == S5066_EOW_HFTRP_TOKEN)
|
|
{
|
|
/* Add a new subtree for HFTRP token details */
|
|
hftrp_token_tree = proto_tree_add_subtree_format(tree, tvb, offset, extended_message_size,
|
|
ett_s5066dts_hftrp_token, NULL, "HFTRP Token (%s)",
|
|
val_to_str_const(eow_content, s5066dts_eow_hftrp_frame_control, "UNKNOWN_HFTRP_TOKEN"));
|
|
proto_tree_add_item(hftrp_token_tree,
|
|
hf_s5066dts_management_extended_message_hftrp_payload_size, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2;
|
|
proto_tree_add_item(hftrp_token_tree,
|
|
hf_s5066dts_management_extended_message_hftrp_ra, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4;
|
|
proto_tree_add_item(hftrp_token_tree,
|
|
hf_s5066dts_management_extended_message_hftrp_seq_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4;
|
|
proto_tree_add_item(hftrp_token_tree,
|
|
hf_s5066dts_management_extended_message_hftrp_gen_seq_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4;
|
|
proto_tree_add_item(hftrp_token_tree,
|
|
hf_s5066dts_management_extended_message_hftrp_new_successor_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4;
|
|
proto_tree_add_item(hftrp_token_tree,
|
|
hf_s5066dts_management_extended_message_hftrp_number_of_nodes, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2;
|
|
}
|
|
/* otherwise just display it as a byte stream */
|
|
else
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_management_extended_message, tvb, offset, extended_message_size, ENC_NA);
|
|
offset += extended_message_size;
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* { 7, "NON_ARQ_DATA"}, */
|
|
static guint dissect_s5066dts_non_arq_data(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_non_arq_data_cpdu_id_1, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_non_arq_data_deliver_in_order, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_non_arq_data_group_address, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_non_arq_data_segmented_cpdu_size, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_non_arq_data_cpdu_id_2, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
proto_tree_add_item(tree, hf_s5066dts_non_arq_data_cpdu_size, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_non_arq_data_cpdu_segment_offset, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_non_arq_data_cpdu_reception_window, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* { 8, "EXP_NON_ARQ_DATA"}, */
|
|
static guint dissect_s5066dts_exp_non_arq_data(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_non_arq_data_cpdu_id_1, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_non_arq_data_deliver_in_order, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_non_arq_data_group_address, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_non_arq_data_segmented_cpdu_size, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_non_arq_data_cpdu_id_2, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_non_arq_data_cpdu_size, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_non_arq_data_cpdu_segment_offset, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
proto_tree_add_item(tree, hf_s5066dts_exp_non_arq_data_cpdu_reception_window, tvb, offset, 2, ENC_BIG_ENDIAN); offset +=2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* {15, "WARNING"}, */
|
|
static guint dissect_s5066dts_warning(tvbuff_t *tvb, guint offset, proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_s5066dts_warning_frame_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_s5066dts_warning_reason, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static guint calculate_s5066dts_dpdu_len(packet_info *pinfo _U_, tvbuff_t *tvb,
|
|
int offset _U_, void *data _U_)
|
|
{
|
|
guint pdu_type;
|
|
guint address_size;
|
|
guint header_size;
|
|
guint pdu_size;
|
|
guint segmented_cpdu_size;
|
|
|
|
/* XXX: why is the offset not used to get this value? */
|
|
if (tvb_get_guint8(tvb, 0) != 0x90)
|
|
return 1;
|
|
else if (tvb_get_guint8(tvb, 1) != 0xEB)
|
|
return 2;
|
|
|
|
pdu_type = (tvb_get_guint8(tvb, 2) & 0xF0) >> 4;
|
|
address_size = (tvb_get_guint8(tvb, S5066_DPDU_SIZE_OF_ADDRESS_INDEX) & 0xE0) >> 5;
|
|
header_size = tvb_get_guint8(tvb, S5066_DPDU_SIZE_OF_HEADER_INDEX) & 0x1F;
|
|
pdu_size = header_size + address_size + S5066_DPDU_SYNC_SEQUENCE_SIZE;
|
|
|
|
if (pdu_type == S5066_DPDU_DATA_ONLY || pdu_type == S5066_DPDU_DATA_ACK ||
|
|
pdu_type == S5066_DPDU_EXP_DATA_ONLY || pdu_type == S5066_DPDU_NON_ARQ_DATA ||
|
|
pdu_type == S5066_DPDU_EXP_NON_ARQ_DATA)
|
|
{
|
|
segmented_cpdu_size = tvb_get_ntohs(tvb, 6 + address_size) & 0x03FF;
|
|
pdu_size += segmented_cpdu_size + 4;
|
|
}
|
|
return pdu_size;
|
|
}
|
|
|
|
static int dissect_s5066dts(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_tree *s5066dts_tree = NULL, *pdu_tree = NULL;
|
|
proto_item *ti = NULL;
|
|
guint offset = 0;
|
|
guint pdu_type;
|
|
guint address_size;
|
|
guint header_size;
|
|
guint segmented_cpdu_size;
|
|
/* Add EOW (Engineering OrderWire */
|
|
guint8 eow_type;
|
|
guint8 eow_content;
|
|
|
|
if (tvb_get_guint8(tvb, 0) != 0x90 || tvb_get_guint8(tvb, 1) != 0xEB) {
|
|
/* Cannot find sync pattern at dissect_s5066dts()! */
|
|
return 0;
|
|
}
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, DISSECTOR_NAME);
|
|
pdu_type = (tvb_get_guint8(tvb, 2) & 0xF0) >> 4;
|
|
|
|
/* Add DPDU type and name */
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "DpduType=%d (%s)", pdu_type, val_to_str(pdu_type, s5066dts_dpdu_type,
|
|
"Unknown (0x%02x)"));
|
|
|
|
address_size = (tvb_get_guint8(tvb, S5066_DPDU_SIZE_OF_ADDRESS_INDEX) & 0xE0) >> 5;
|
|
eow_type = tvb_get_guint8(tvb, S5066_DPDU_EOW_TYPE_INDEX) & 0x0F;
|
|
eow_content = tvb_get_guint8(tvb, S5066_DPDU_EOW_CONTENT_INDEX);
|
|
|
|
switch (eow_type)
|
|
{
|
|
case S5066_EOW_RESERVED:
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " EowType=RESERVED");
|
|
break;
|
|
case S5066_EOW_DRC_REQUEST: /* Data Rate Change Request */
|
|
case S5066_EOW_DRC_RESPONSE: /* Data Rate Change Response */
|
|
case S5066_EOW_UNRECOGNIZED_TYPE: /* Unrecognized Type Error */
|
|
case S5066_EOW_CAPABILITY: /* Capability Advertisement */
|
|
case S5066_EOW_ALM_REQUEST: /* Frequency Change / ALM Request */
|
|
case S5066_EOW_ALM_RESPONSE: /* Frequency Change / ALM Response */
|
|
case S5066_EOW_HDR_DRC_REQUEST: /* High Data Rate (HDR) Change Request */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " EowType=%d (%s)", eow_type,
|
|
val_to_str_const(eow_type, s5066dts_eow_type, "UNKNOWN_EOW_TYPE"));
|
|
break;
|
|
case 8: /* Unspecified/User Defined */
|
|
case 9: /* Unspecified/User Defined */
|
|
case 10: /* Unspecified/User Defined */
|
|
case 11: /* Unspecified/User Defined */
|
|
case 12: /* Unspecified/User Defined */
|
|
case 13: /* Unspecified/User Defined */
|
|
case 14: /* Unspecified/User Defined */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " EowType=UNSPECIFIED");
|
|
break;
|
|
case S5066_EOW_HFTRP_TOKEN:
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " EowType=%d (%s:%s)", eow_type,
|
|
val_to_str_const(eow_type, s5066dts_eow_type, "UNKNOWN_EOW_TYPE"),
|
|
val_to_str_const(eow_content, s5066dts_eow_hftrp_frame_control_abbr, "UNKNOWN_HFTRP_TOKEN"));
|
|
break;
|
|
}
|
|
|
|
/* Append EOT (End of Transmission) */
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " EOT=%d", tvb_get_guint8(tvb, S5066_DPDU_EOT_INDEX));
|
|
|
|
/* Append DPDU-specific information */
|
|
switch (pdu_type)
|
|
{
|
|
case S5066_DPDU_DATA_ONLY:
|
|
case S5066_DPDU_EXP_DATA_ONLY:
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%d", tvb_get_guint8(tvb, 8 + address_size));
|
|
break;
|
|
case S5066_DPDU_ACK_ONLY:
|
|
case S5066_DPDU_EXP_ACK_ONLY:
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " RxLWE=%d", tvb_get_guint8(tvb, 6 + address_size));
|
|
break;
|
|
case S5066_DPDU_DATA_ACK:
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%d RxLWE=%d",
|
|
tvb_get_guint8(tvb, 8 + address_size),
|
|
tvb_get_guint8(tvb, 9 + address_size));
|
|
break;
|
|
case S5066_DPDU_MANAGEMENT:
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " FrameID=%d", tvb_get_guint8(tvb, 7 + address_size));
|
|
break;
|
|
}
|
|
|
|
if (tree)
|
|
{
|
|
ti = proto_tree_add_protocol_format(tree, proto_s5066dts, tvb, 0, -1, "STANAG 5066 (DTS Layer)");
|
|
s5066dts_tree = proto_item_add_subtree(ti, ett_s5066dts);
|
|
proto_tree_add_item(s5066dts_tree, hf_s5066dts_sync_word, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2;
|
|
proto_tree_add_item(s5066dts_tree, hf_s5066dts_dpdu_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset = dissect_s5066dts_eow(tvb, pinfo, offset, s5066dts_tree, pdu_type);
|
|
|
|
/*
|
|
* Append DPDU type to the root
|
|
*/
|
|
proto_item_append_text(ti, ", DPDU Type %s ", val_to_str_const(pdu_type, s5066dts_dpdu_type, "UNKNOWN_DPDU_TYPE"));
|
|
proto_tree_add_item(s5066dts_tree, hf_s5066dts_eot, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
proto_tree_add_item(s5066dts_tree, hf_s5066dts_address_size, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(s5066dts_tree, hf_s5066dts_header_size, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
|
|
offset = dissect_s5066dts_address(tvb, offset, s5066dts_tree, pinfo, address_size);
|
|
header_size = tvb_get_guint8(tvb, S5066_DPDU_SIZE_OF_HEADER_INDEX) & 0x1F;
|
|
pdu_tree = proto_tree_add_subtree(s5066dts_tree, tvb, offset, header_size - 6, ett_s5066dts_pdu, NULL, "D_PDU Type Specific Header");
|
|
|
|
switch (pdu_type)
|
|
{
|
|
case S5066_DPDU_DATA_ONLY: offset = dissect_s5066dts_data_only(tvb, offset, pdu_tree); break;
|
|
case S5066_DPDU_ACK_ONLY: offset = dissect_s5066dts_ack_only(tvb, offset, pdu_tree, header_size); break;
|
|
case S5066_DPDU_DATA_ACK: offset = dissect_s5066dts_data_ack(tvb, offset, pdu_tree, header_size); break;
|
|
case S5066_DPDU_RESET_WIN_RESYNC: offset = dissect_s5066dts_reset_win_resync(tvb, offset, pdu_tree); break;
|
|
case S5066_DPDU_EXP_DATA_ONLY: offset = dissect_s5066dts_exp_data_only(tvb, offset, pdu_tree); break;
|
|
case S5066_DPDU_EXP_ACK_ONLY: offset = dissect_s5066dts_exp_ack_only(tvb, offset, pdu_tree, header_size); break;
|
|
case S5066_DPDU_MANAGEMENT: offset = dissect_s5066dts_management(tvb, offset, pdu_tree, header_size); break;
|
|
case S5066_DPDU_NON_ARQ_DATA: offset = dissect_s5066dts_non_arq_data(tvb, offset, pdu_tree); break;
|
|
case S5066_DPDU_EXP_NON_ARQ_DATA: offset = dissect_s5066dts_exp_non_arq_data(tvb, offset, pdu_tree); break;
|
|
case S5066_DPDU_WARNING: offset = dissect_s5066dts_warning(tvb, offset, pdu_tree); break;
|
|
}
|
|
offset = dissect_s5066dts_header_crc(tvb, offset, s5066dts_tree, address_size, header_size);
|
|
if (pdu_type == S5066_DPDU_DATA_ONLY || pdu_type == S5066_DPDU_DATA_ACK
|
|
|| pdu_type == S5066_DPDU_EXP_DATA_ONLY || pdu_type == S5066_DPDU_NON_ARQ_DATA
|
|
|| pdu_type == S5066_DPDU_EXP_NON_ARQ_DATA)
|
|
{
|
|
segmented_cpdu_size = tvb_get_ntohs(tvb, 6 + address_size) & 0x03FF;
|
|
proto_tree_add_item(s5066dts_tree, hf_s5066dts_segmented_cpdu, tvb, offset, segmented_cpdu_size, ENC_NA);
|
|
offset += segmented_cpdu_size;
|
|
/*offset = */dissect_s5066dts_cpdu_crc(tvb, offset, s5066dts_tree, address_size, header_size, segmented_cpdu_size);
|
|
}
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
static int dissect_s5066dts_raw(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
guint b_length = tvb_captured_length(tvb);
|
|
|
|
/* Make sure there are enough bytes for a DPDU */
|
|
if ( b_length < S5066_DPDU_FRAME_HEADER_LEN){
|
|
/* "There are not enough bytes for a DPDU! */
|
|
return 0;
|
|
}
|
|
|
|
/* Check if the first two bytes are 0x90 and 0xEB
|
|
* If not then this is neither a DPDU nor an un-reassembled one
|
|
*/
|
|
if ((tvb_get_guint8(tvb, 0) != 0x90) || (tvb_get_guint8(tvb, 1) != 0xEB)) {
|
|
/* Cannot find sync pattern at dissect_s5066dts_raw()! */
|
|
return 0;
|
|
}
|
|
calculate_s5066dts_dpdu_len(pinfo, tvb, 0, NULL);
|
|
dissect_s5066dts(tvb, pinfo, tree, NULL);
|
|
|
|
return b_length;
|
|
}
|
|
|
|
static int dissect_s5066dts_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
guint b_length = tvb_captured_length(tvb);
|
|
|
|
/* Make sure there are enough bytes for a DPDU */
|
|
if ( b_length < S5066_DPDU_FRAME_HEADER_LEN){
|
|
/* "There are not enough bytes for a DPDU! */
|
|
return 0;
|
|
}
|
|
|
|
/* Check if the first two bytes are 0x90 and 0xEB
|
|
* If not then this is neitger a DPDU nor an un-reassembled one
|
|
*/
|
|
if ((tvb_get_guint8(tvb, 0) != 0x90) || (tvb_get_guint8(tvb, 1) != 0xEB)) {
|
|
/* Cannot find sync pattern at dissect_s5066dts_tcp()! */
|
|
return 0;
|
|
}
|
|
|
|
/* Drop packets with port matches other than the destination port. */
|
|
if (!value_is_in_range(config_s5066dts_ports, pinfo->destport)) {
|
|
/* Configured to dissect TCP destination port matches only, dropping.. */
|
|
return 0;
|
|
}
|
|
|
|
tcp_dissect_pdus(tvb, pinfo, tree, config_proto_desegment, S5066_DPDU_FRAME_HEADER_LEN, calculate_s5066dts_dpdu_len,
|
|
dissect_s5066dts, data);
|
|
|
|
return b_length;
|
|
}
|
|
|
|
static void
|
|
apply_s5066dts_prefs(void)
|
|
{
|
|
/* STANAG 5066 uses the port preference for some heuristics */
|
|
config_s5066dts_ports = prefs_get_range_value("s5066dts", "tcp.port");;
|
|
}
|
|
|
|
void proto_register_s5066dts (void)
|
|
{
|
|
module_t *s5066dts_module;
|
|
static hf_register_info hf[] = {
|
|
{ &hf_s5066dts_sync_word,
|
|
{ "Sync preamble", "s5066dts.sync", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_dpdu_type,
|
|
{ "D_PDU type", "s5066dts.type", FT_UINT8, BASE_DEC, VALS(s5066dts_dpdu_type), 0xF0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_type,
|
|
{ "EOW type", "s5066dts.eow.type", FT_UINT8, BASE_DEC, VALS(s5066dts_eow_type), 0x0F, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_data,
|
|
{ "EOW data", "s5066dts.eow.data", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eot,
|
|
{ "EOT", "s5066dts.eot", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_address_size,
|
|
{ "Address size (1/2 bytes)", "s5066dts.address.size", FT_UINT8, BASE_DEC, NULL, 0xE0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_header_size,
|
|
{ "Header size", "s5066dts.header_size", FT_UINT8, BASE_DEC, NULL, 0x1F, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_segmented_cpdu,
|
|
{ "C_PDU Segment", "s5066dts.segmented_cpdu", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_dest_addr,
|
|
{ "Destination Address", "s5066dts.dest_addr", FT_UINT32, BASE_CUSTOM, CF_FUNC(s5066dts_address_format), 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_src_addr,
|
|
{ "Source Address", "s5066dts.src_addr", FT_UINT32, BASE_CUSTOM, CF_FUNC(s5066dts_address_format), 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_header_crc,
|
|
{ "CRC on header", "s5066dts.header_crc", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_cpdu_crc,
|
|
{ "CRC on C_PDU segment", "s5066dts.cpdu_crc", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 1, "DRC_REQUEST"}, */
|
|
{ &hf_s5066dts_eow_drc_request_data_rate,
|
|
{ "Data Rate", "s5066dts.eow.drc_request.data_rate", FT_UINT8, BASE_DEC, VALS(s5066dts_eow_data_rate),
|
|
0xF0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_drc_request_interleaving,
|
|
{ "Interleaver parameter", "s5066dts.eow.drc_request.interleaving", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_interleaving), 0x0C, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_drc_request_others,
|
|
{ "Other parameters", "s5066dts.eow.drc_request.others", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_others), 0x03, NULL, HFILL }
|
|
},
|
|
/* { 2, "DRC_RESPONSE"}, */
|
|
{ &hf_s5066dts_eow_drc_response_response,
|
|
{ "Response for DRC", "s5066dts.eow.drc_response.response", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_response), 0xE0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_drc_response_reason,
|
|
{ "Reason", "s5066dts.eow.drc_response.reason", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_reason), 0x1F, NULL, HFILL }
|
|
},
|
|
/* { 3, "UNRECOGNIZED_TYPE"}, */
|
|
{ &hf_s5066dts_eow_unrec_type_response,
|
|
{ "This value should be set to 0", "s5066dts.eow.unrec_type.response", FT_UINT8, BASE_DEC,
|
|
NULL, 0xE0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_unrec_type_reason,
|
|
{ "Reason", "s5066dts.eow.unrec_type.reason", FT_UINT8, BASE_DEC, NULL, 0x1F, NULL, HFILL }
|
|
},
|
|
/* { 4, "CAPABILITY"}, */
|
|
{ &hf_s5066dts_eow_capability_adaptive,
|
|
{ "Adaptive modem parameters capable", "s5066dts.eow.capability.adaptive", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_capability_stanag_4529,
|
|
{ "STANAG 4529 available", "s5066dts.eow.capability.stanag_4529", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_capability_mil_std_188_110a,
|
|
{ "MIL-STD-188-110A available", "s5066dts.eow.capability.mil_std_188_110a", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_capability_extended,
|
|
{ "Extended data rate available", "s5066dts.eow.capability.extended", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_capability_full_duplex,
|
|
{ "Full duplex supported", "s5066dts.eow.capability.full_duplex", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_capability_split_frequency,
|
|
{ "Split frequency supported", "s5066dts.eow.capability.split_frequency", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_capability_non_arcs_ale,
|
|
{ "Non-ARCS ALE capable", "s5066dts.eow.capability.non_arcs_ale", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_capability_arcs,
|
|
{ "ARCS capable", "s5066dts.eow.capability.arcs", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }
|
|
},
|
|
/* { 5, "ALM_REQUEST"}, */
|
|
{ &hf_s5066dts_eow_alm_request_data_rate,
|
|
{ "Data Rate", "s5066dts.eow.alm_request.data_rate", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_data_rate), 0xF0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_alm_request_interleaving,
|
|
{ "Interleaver parameter", "s5066dts.eow.alm_request.interleaving", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_interleaving), 0x0C, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_alm_request_others,
|
|
{ "Other parameters", "s5066dts.eow.alm_request.others", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_others), 0x03, NULL, HFILL }
|
|
},
|
|
/* { 6, "ALM_RESPONSE"}, */
|
|
{ &hf_s5066dts_eow_alm_response_response,
|
|
{ "Response for DRC", "s5066dts.eow.alm_response.response", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_response), 0xE0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_alm_response_reason,
|
|
{ "Reason", "s5066dts.eow.alm_response.reason", FT_UINT8, BASE_DEC, VALS(s5066dts_alm_reason), 0x1F, NULL, HFILL }
|
|
},
|
|
/* { 7, "HDR_DRC_REQUEST"}, */
|
|
{ &hf_s5066dts_eow_hdr_drc_request_waveform,
|
|
{ "Modem waveform", "s5066dts.eow.hdr_drc_request.waveform", FT_UINT8, BASE_DEC,
|
|
VALS(s5066dts_eow_waveform), 0xF8, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_hdr_drc_request_num_channels,
|
|
{ "Number of channels", "s5066dts.eow.hdr_drc_request.num_channels", FT_UINT8, BASE_DEC, NULL, 0x07, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_hdr_drc_request_data_rate,
|
|
{ "Requested data rate for each channel", "s5066dts.eow.hdr_drc_request.data_rate",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_eow_hdr_drc_request_interleaver_length,
|
|
{ "Interleaver length for each channel", "s5066dts.eow.hdr_drc_request.interleaver_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 15, "HFTRP FRAME CONTROL"}, */
|
|
{ &hf_s5066dts_eow_hftrp_hftrp_token,
|
|
{ "HFTRP Token Type", "s5066dts.eow.hftrp.token_type", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }
|
|
},
|
|
/* { 0, "DATA_ONLY"}, */
|
|
{ &hf_s5066dts_data_only_cpdu_start,
|
|
{ "C_PDU Start", "s5066dts.data_only.cpdu_start", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_only_cpdu_end,
|
|
{ "C_PDU End", "s5066dts.data_only.cpdu_end", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_only_deliver_in_order,
|
|
{ "C_PDU Deliver-in-Order", "s5066dts.data_only.deliver_in_order", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_only_drop_cpdu,
|
|
{ "Drop C_PDU", "s5066dts.data_only.drop_cpdu", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_only_tx_win_uwe,
|
|
{ "TX WIN UWE", "s5066dts.data_only.tx_win_uwe", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_only_tx_win_lwe,
|
|
{ "TX WIN LWE", "s5066dts.data_only.tx_win_lwe", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_only_segmented_cpdu_size,
|
|
{ "Size of segmented C_PDU", "s5066dts.data_only.segmented_cpdu_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0x03FF, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_only_transmit_sequence_number,
|
|
{ "TX Frame Sequence Number", "s5066dts.data_only.transmit_sequence_number", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 1, "ACK_ONLY"}, */
|
|
{ &hf_s5066dts_ack_only_rx_lwe,
|
|
{ "RX LWE", "s5066dts.ack_only.rx_lwe", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_ack_only_acks,
|
|
{ "Selective ACK", "s5066dts.ack_only.acks", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 2, "DATA_ACK"}, */
|
|
{ &hf_s5066dts_data_ack_cpdu_start,
|
|
{ "C_PDU Start", "s5066dts.data_ack.cpdu_start", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_cpdu_end,
|
|
{ "C_PDU End", "s5066dts.data_ack.cpdu_end", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_deliver_in_order,
|
|
{ "C_PDU Deliver-in-Order", "s5066dts.data_ack.deliver_in_order", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_drop_cpdu,
|
|
{ "Drop C_PDU", "s5066dts.data_ack.drop_cpdu", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_tx_win_uwe,
|
|
{ "TX WIN UWE", "s5066dts.data_ack.tx_win_uwe", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_tx_win_lwe,
|
|
{ "TX WIN LWE", "s5066dts.data_ack.tx_win_lwe", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_segmented_cpdu_size,
|
|
{ "Size of segmented C_PDU", "s5066dts.data_ack.segmented_cpdu_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0x03FF, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_transmit_sequence_number,
|
|
{ "TX frame sequence number", "s5066dts.data_ack.transmit_sequence_number", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_rx_lwe,
|
|
{ "RX LWE", "s5066dts.data_ack.rx_lwe", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_data_ack_acks,
|
|
{ "Selective ACK", "s5066dts.data_ack.acks", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 3, "RESET_WIN_RESYNC"}, */
|
|
{ &hf_s5066dts_reset_win_resync_unused,
|
|
{ "Unused", "s5066dts.reset_win_resync.unused", FT_UINT8, BASE_HEX, NULL, 0xF0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_reset_win_resync_full_reset_command,
|
|
{ "Full reset command", "s5066dts.reset_win_resync.full_reset", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_reset_win_resync_reset_tx_win_rqst,
|
|
{ "Reset TX-WIN request", "s5066dts.reset_win_resync.reset_tx_win", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_reset_win_resync_reset_rx_win_cmnd,
|
|
{ "Reset RX-WIN command", "s5066dts.reset_win_resync.reset_rx_win", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_reset_win_resync_reset_ack,
|
|
{ "Reset acknowledgment", "s5066dts.reset_win_resync.reset_ack", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_reset_win_resync_new_rx_lwe,
|
|
{ "New receiver ARQ RX-LWE", "s5066dts.reset_win_resync.new_rx_lwe", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_reset_win_resync_reset_frame_id_number,
|
|
{ "Reset frame ID number", "s5066dts.reset_win_resync.reset_frame_id", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 4, "EXP_DATA_ONLY"}, */
|
|
{ &hf_s5066dts_exp_data_only_cpdu_start,
|
|
{ "C_PDU Start", "s5066dts.exp_data_only.cpdu_start", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_data_only_cpdu_end,
|
|
{ "C_PDU End", "s5066dts.exp_data_only.cpdu_end", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_data_only_cpdu_id,
|
|
{ "Segmented C_PDU ID", "s5066dts.exp_data_only.cpdu_id", FT_UINT8, BASE_DEC, NULL, 0x3C, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_data_only_segmented_cpdu_size,
|
|
{ "Size of segmented C_PDU", "s5066dts.exp_data_only.segmented_cpdu_size", FT_UINT16, BASE_DEC, NULL, 0x03FF, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_data_only_transmit_sequence_number,
|
|
{ "TX frame sequence number", "s5066dts.exp_data_only.transmit_sequence_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 5, "EXP_ACK_ONLY"}, */
|
|
{ &hf_s5066dts_exp_ack_only_rx_lwe,
|
|
{ "RX LWE", "s5066dts.exp_ack_only.rx_lwe", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_ack_only_acks,
|
|
{ "Selective ACK", "s5066dts.exp_ack_only.acks", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 6, "MANAGEMENT"}, */
|
|
{ &hf_s5066dts_management_unused,
|
|
{ "Unused", "s5066dts.management.unused", FT_UINT8, BASE_HEX, NULL, 0xF8, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_extended_message_flag,
|
|
{ "Extended message flag", "s5066dts.management.extended_message_flag", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_message,
|
|
{ "Valid message", "s5066dts.management.message", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_ack,
|
|
{ "Acknowledgment", "s5066dts.management.ack", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_management_frame_id,
|
|
{ "Management frame ID number", "s5066dts.management.management_frame_id", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_extended_message,
|
|
{ "Extended management message", "s5066dts.management.extended_message", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_extended_message_hftrp_payload_size,
|
|
{ "Payload Size", "s5066dts.management.extended_message.reserved", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_extended_message_hftrp_ra,
|
|
{ "Ring Address", "s5066dts.management.extended_message.ring_address", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_extended_message_hftrp_seq_id,
|
|
{ "Sequence ID", "s5066dts.management.extended_message.sequence_id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_extended_message_hftrp_gen_seq_id,
|
|
{ "Generation Sequence ID", "s5066dts.management.extended_message.generation_sequence_id",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_extended_message_hftrp_new_successor_id,
|
|
{ "New Successor ID", "s5066dts.management.extended_message.new_successor_id", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_management_extended_message_hftrp_number_of_nodes,
|
|
{ "Number of Nodes", "s5066dts.management.extended_message.number_of_nodes", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
/* { 7, "NON_ARQ_DATA"}, */
|
|
{ &hf_s5066dts_non_arq_data_cpdu_id_1,
|
|
{ "C_PDU ID number (field 1)", "s5066dts.non_arq_data.cpdu_id_1", FT_UINT8, BASE_DEC, NULL, 0xF0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_non_arq_data_deliver_in_order,
|
|
{ "C_PDU Deliver-in-Order", "s5066dts.non_arq_data.deliver_in_order", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_non_arq_data_group_address,
|
|
{ "Group Address", "s5066dts.non_arq_data.group_address", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_non_arq_data_cpdu_id_2,
|
|
{ "C_PDU ID number (field 2)", "s5066dts.non_arq_data.cpdu_id_2", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_non_arq_data_cpdu_size,
|
|
{ "C_PDU size", "s5066dts.non_arq_data.cpdu_size", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_non_arq_data_cpdu_segment_offset,
|
|
{ "Offset of segmented C_PDU", "s5066dts.non_arq_data.cpdu_segment_offset", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_non_arq_data_cpdu_reception_window,
|
|
{ "C_PDU reception window", "s5066dts.non_arq_data.cpdu_reception_window", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_non_arq_data_segmented_cpdu_size,
|
|
{ "Size of segmented C_PDU", "s5066dts.non_arq_data.segmented_cpdu_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0x03FF, NULL, HFILL }
|
|
},
|
|
/* { 8, "EXP_NON_ARQ_DATA"}, */
|
|
{ &hf_s5066dts_exp_non_arq_data_cpdu_id_1,
|
|
{ "C_PDU ID number (field 1)", "s5066dts.exp_non_arq_data.cpdu_id_1", FT_UINT8, BASE_DEC, NULL, 0xF0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_non_arq_data_deliver_in_order,
|
|
{ "C_PDU Deliver-in-Order", "s5066dts.exp_non_arq_data.deliver_in_order", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_non_arq_data_group_address,
|
|
{ "Group Address", "s5066dts.exp_non_arq_data.group_address", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_non_arq_data_cpdu_id_2,
|
|
{ "C_PDU ID number (field 2)", "s5066dts.exp_non_arq_data.cpdu_id_2", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_non_arq_data_cpdu_size,
|
|
{ "C_PDU size", "s5066dts.exp_non_arq_data.cpdu_size", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_non_arq_data_cpdu_segment_offset,
|
|
{ "Offset of segmented C_PDU", "s5066dts.exp_non_arq_data.cpdu_segment_offset", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_non_arq_data_cpdu_reception_window,
|
|
{ "C_PDU reception window", "s5066dts.exp_non_arq_data.cpdu_reception_window", FT_UINT16, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_exp_non_arq_data_segmented_cpdu_size,
|
|
{ "Size of segmented C_PDU", "s5066dts.exp_non_arq_data.segmented_cpdu_size", FT_UINT16, BASE_DEC,
|
|
NULL, 0x03FF, NULL, HFILL }
|
|
},
|
|
/* {15, "WARNING"}, */
|
|
{ &hf_s5066dts_warning_frame_type,
|
|
{ "Received frame type", "s5066dts.warning.frame_type", FT_UINT8, BASE_DEC, NULL, 0xF0, NULL, HFILL }
|
|
},
|
|
{ &hf_s5066dts_warning_reason,
|
|
{ "Reason warning sent", "s5066dts.warning.reason", FT_UINT8, BASE_DEC, NULL, 0x0F, NULL, HFILL }
|
|
},
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_s5066dts,
|
|
&ett_s5066dts_eow,
|
|
&ett_s5066dts_address,
|
|
&ett_s5066dts_pdu,
|
|
&ett_s5066dts_hftrp_token,
|
|
};
|
|
|
|
/* Setup protocol expert items */
|
|
static ei_register_info ei[] = {
|
|
{ &ei_s5066dts_eow_hdr_drc_request_invalid, { "s5066dts.eow_hdr_drc_request.invalid", PI_MALFORMED, PI_ERROR,
|
|
"High data rate change request can only be made in Management D_PDU", EXPFILL }},
|
|
{ &ei_s5066dts_eow_hftrp_invalid, { "s5066dts.eow_hftrp.invalid", PI_MALFORMED, PI_ERROR,
|
|
"HFTRP tokens can only be carried with Management D_PDU", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_s5066dts;
|
|
|
|
if (proto_s5066dts == -1) /* do protocol initialization only once */
|
|
{
|
|
proto_s5066dts = proto_register_protocol ("STANAG 5066(DTS layer)", "STANAG 5066 DTS", "s5066dts");
|
|
proto_register_field_array(proto_s5066dts, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_s5066dts = expert_register_protocol(proto_s5066dts);
|
|
expert_register_field_array(expert_s5066dts, ei, array_length(ei));
|
|
register_dissector(DISSECTOR_NAME, dissect_s5066dts_tcp, proto_s5066dts);
|
|
}
|
|
|
|
s5066dts_module = prefs_register_protocol(proto_s5066dts, apply_s5066dts_prefs);
|
|
|
|
prefs_register_bool_preference(s5066dts_module, "proto_desegment",
|
|
"Reassemble STANAG 5066 DPDUs spanning multiple TCP segments",
|
|
"Whether the STANAG 5066 DTS Layer dissector should reassemble DPDUs spanning multiple TCP segments",
|
|
&config_proto_desegment);
|
|
}
|
|
|
|
/* Routine that will be called when s5066dts is handing off to the next dissector */
|
|
void proto_reg_handoff_s5066dts(void)
|
|
{
|
|
dissector_handle_t s5066dts_handle;
|
|
dissector_handle_t s5066dts_over_tcp_handle;
|
|
|
|
s5066dts_handle = create_dissector_handle(dissect_s5066dts_raw, proto_s5066dts);
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_STANAG_5066_D_PDU, s5066dts_handle);
|
|
s5066dts_over_tcp_handle = create_dissector_handle(dissect_s5066dts_tcp, proto_s5066dts);
|
|
|
|
dissector_add_for_decode_as_with_preference("tcp.port", s5066dts_over_tcp_handle);
|
|
apply_s5066dts_prefs();
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|