wireshark/epan/dissectors/packet-btle.c

5221 lines
239 KiB
C

/* packet-btle.c
* Routines for Bluetooth Low Energy Link Layer dissection
* https://www.bluetooth.org/Technical/Specifications/adopted.htm
*
* Copyright 2013, Mike Ryan, mikeryan /at/ isecpartners /dot/ com
* Copyright 2013, Michal Labedzki for Tieto Corporation
* Copyright 2014, Christopher D. Kilgour, techie at whiterocker dot com
* Copyright 2017, Stig Bjorlykke for Nordic Semiconductor
* Copyright 2021, Thomas Sailer
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/prefs.h>
#include <epan/expert.h>
#include <epan/proto_data.h>
#include <epan/reassemble.h>
#include <wiretap/wtap.h>
#include "packet-btle.h"
#include "packet-bthci_cmd.h"
#include "packet-bthci_acl.h"
static int proto_btle = -1;
static int proto_btle_rf = -1;
static int proto_nordic_ble = -1;
static int hf_access_address = -1;
static int hf_coding_indicator = -1;
static int hf_crc = -1;
static int hf_master_bd_addr = -1;
static int hf_slave_bd_addr = -1;
static int hf_length = -1;
static int hf_advertising_header = -1;
static int hf_advertising_header_pdu_type = -1;
static int hf_advertising_header_ch_sel = -1;
static int hf_advertising_header_rfu_1 = -1;
static int hf_advertising_header_rfu_2 = -1;
static int hf_advertising_header_rfu_3 = -1;
static int hf_advertising_header_rfu_4 = -1;
static int hf_advertising_header_randomized_tx = -1;
static int hf_advertising_header_randomized_rx = -1;
static int hf_advertising_header_length = -1;
static int hf_advertising_address = -1;
static int hf_initiator_addresss = -1;
static int hf_target_addresss = -1;
static int hf_scanning_address = -1;
static int hf_scan_response_data = -1;
static int hf_link_layer_data = -1;
static int hf_link_layer_data_access_address = -1;
static int hf_link_layer_data_crc_init = -1;
static int hf_link_layer_data_window_size = -1;
static int hf_link_layer_data_window_offset = -1;
static int hf_link_layer_data_interval = -1;
static int hf_link_layer_data_latency = -1;
static int hf_link_layer_data_timeout = -1;
static int hf_link_layer_data_channel_map = -1;
static int hf_link_layer_data_hop = -1;
static int hf_link_layer_data_sleep_clock_accuracy = -1;
static int hf_extended_advertising_header = -1;
static int hf_extended_advertising_header_length = -1;
static int hf_extended_advertising_mode = -1;
static int hf_extended_advertising_flags = -1;
static int hf_extended_advertising_flags_adva = -1;
static int hf_extended_advertising_flags_targeta = -1;
static int hf_extended_advertising_flags_cteinfo = -1;
static int hf_extended_advertising_flags_advdatainfo = -1;
static int hf_extended_advertising_flags_aux_ptr = -1;
static int hf_extended_advertising_flags_sync_info = -1;
static int hf_extended_advertising_flags_tx_power = -1;
static int hf_extended_advertising_flags_reserved = -1;
static int hf_extended_advertising_cte_info = -1;
static int hf_extended_advertising_cte_info_time = -1;
static int hf_extended_advertising_cte_info_rfu = -1;
static int hf_extended_advertising_cte_info_type = -1;
static int hf_extended_advertising_data_info = -1;
static int hf_extended_advertising_data_info_did = -1;
static int hf_extended_advertising_data_info_sid = -1;
static int hf_extended_advertising_aux_ptr = -1;
static int hf_extended_advertising_aux_ptr_channel = -1;
static int hf_extended_advertising_aux_ptr_ca = -1;
static int hf_extended_advertising_aux_ptr_offset_units = -1;
static int hf_extended_advertising_aux_ptr_aux_offset = -1;
static int hf_extended_advertising_aux_ptr_aux_phy = -1;
static int hf_extended_advertising_sync_info = -1;
static int hf_extended_advertising_sync_info_offset = -1;
static int hf_extended_advertising_sync_info_offset_units = -1;
static int hf_extended_advertising_sync_info_offset_adjust = -1;
static int hf_extended_advertising_sync_info_reserved = -1;
static int hf_extended_advertising_sync_info_interval = -1;
static int hf_extended_advertising_sync_info_channel_map = -1;
static int hf_extended_advertising_sync_info_sleep_clock_accuracy = -1;
static int hf_extended_advertising_sync_info_access_address = -1;
static int hf_extended_advertising_sync_info_crc_init = -1;
static int hf_extended_advertising_sync_info_event_counter = -1;
static int hf_extended_advertising_tx_power = -1;
static int hf_extended_advertising_header_acad = -1;
static int hf_extended_advertising_had_fragment = -1;
static int hf_data_header = -1;
static int hf_data_header_length = -1;
static int hf_data_header_rfu = -1;
static int hf_data_header_llid = -1;
static int hf_data_header_llid_connectediso = -1;
static int hf_data_header_llid_broadcastiso = -1;
static int hf_data_header_more_data = -1;
static int hf_data_header_sequence_number = -1;
static int hf_data_header_next_expected_sequence_number = -1;
static int hf_data_header_rfu_57 = -1;
static int hf_data_header_rfu_67 = -1;
static int hf_data_header_close_isochronous_event = -1;
static int hf_data_header_null_pdu_indicator = -1;
static int hf_data_header_control_subevent_sequence_number = -1;
static int hf_data_header_control_subevent_transmission_flag = -1;
static int hf_control_opcode = -1;
static int hf_l2cap_index = -1;
static int hf_l2cap_fragment = -1;
static int hf_connection_parameters_in = -1;
static int hf_control_reject_opcode = -1;
static int hf_control_error_code = -1;
static int hf_control_unknown_type = -1;
static int hf_control_version_number = -1;
static int hf_control_company_id = -1;
static int hf_control_subversion_number = -1;
static int hf_control_feature_set = -1;
static int hf_control_feature_set_le_encryption = -1;
static int hf_control_feature_set_connection_parameters_request_procedure = -1;
static int hf_control_feature_set_extended_reject_indication = -1;
static int hf_control_feature_set_slave_initiated_features_exchange = -1;
static int hf_control_feature_set_le_ping = -1;
static int hf_control_feature_set_le_pkt_len_ext = -1;
static int hf_control_feature_set_ll_privacy = -1;
static int hf_control_feature_set_ext_scan_flt_pol = -1;
static int hf_control_feature_set_le_2m_phy = -1;
static int hf_control_feature_set_stable_modulation_index_transmitter = -1;
static int hf_control_feature_set_stable_modulation_index_receiver = -1;
static int hf_control_feature_set_le_coded_phy = -1;
static int hf_control_feature_set_le_extended_advertising = -1;
static int hf_control_feature_set_le_periodic_advertising = -1;
static int hf_control_feature_set_channel_selection_algorithm_2 = -1;
static int hf_control_feature_set_le_power_class_1 = -1;
static int hf_control_feature_set_minimum_number_of_used_channels_procedure = -1;
static int hf_control_feature_set_reserved_bits = -1;
static int hf_control_feature_set_reserved = -1;
static int hf_control_window_size = -1;
static int hf_control_window_offset = -1;
static int hf_control_interval = -1;
static int hf_control_latency = -1;
static int hf_control_timeout = -1;
static int hf_control_instant = -1;
static int hf_control_interval_min = -1;
static int hf_control_interval_max = -1;
static int hf_control_preferred_periodicity = -1;
static int hf_control_reference_connection_event_count = -1;
static int hf_control_offset_0 = -1;
static int hf_control_offset_1 = -1;
static int hf_control_offset_2 = -1;
static int hf_control_offset_3 = -1;
static int hf_control_offset_4 = -1;
static int hf_control_offset_5 = -1;
static int hf_control_channel_map = -1;
static int hf_control_random_number = -1;
static int hf_control_encrypted_diversifier = -1;
static int hf_control_master_session_key_diversifier = -1;
static int hf_control_master_session_initialization_vector = -1;
static int hf_control_slave_session_key_diversifier = -1;
static int hf_control_slave_session_initialization_vector = -1;
static int hf_control_max_rx_octets = -1;
static int hf_control_max_rx_time = -1;
static int hf_control_max_tx_octets = -1;
static int hf_control_max_tx_time = -1;
static int hf_control_phys_sender_le_1m_phy = -1;
static int hf_control_phys_sender_le_2m_phy = -1;
static int hf_control_phys_sender_le_coded_phy = -1;
static int hf_control_phys_update_le_1m_phy = -1;
static int hf_control_phys_update_le_2m_phy = -1;
static int hf_control_phys_update_le_coded_phy = -1;
static int hf_control_phys_reserved_bits = -1;
static int hf_control_tx_phys = -1;
static int hf_control_rx_phys = -1;
static int hf_control_m_to_s_phy = -1;
static int hf_control_m_to_s_phy_le_1m_phy = -1;
static int hf_control_m_to_s_phy_le_2m_phy = -1;
static int hf_control_m_to_s_phy_le_coded_phy = -1;
static int hf_control_m_to_s_phy_reserved_bits = -1;
static int hf_control_s_to_m_phy = -1;
static int hf_control_s_to_m_phy_le_1m_phy = -1;
static int hf_control_s_to_m_phy_le_2m_phy = -1;
static int hf_control_s_to_m_phy_le_coded_phy = -1;
static int hf_control_s_to_m_phy_reserved_bits = -1;
static int hf_control_phys = -1;
static int hf_control_phys_le_1m_phy = -1;
static int hf_control_phys_le_2m_phy = -1;
static int hf_control_phys_le_coded_phy = -1;
static int hf_control_min_used_channels = -1;
static int hf_control_cte_min_len_req = -1;
static int hf_control_cte_rfu = -1;
static int hf_control_cte_type_req = -1;
static int hf_control_sync_id = -1;
static int hf_control_sync_info_offset = -1;
static int hf_control_sync_info_offset_units = -1;
static int hf_control_sync_info_offset_adjust = -1;
static int hf_control_sync_info_reserved = -1;
static int hf_control_sync_info_interval = -1;
static int hf_control_sync_info_channel_map = -1;
static int hf_control_sync_info_sleep_clock_accuracy = -1;
static int hf_control_sync_info_access_address = -1;
static int hf_control_sync_info_crc_init = -1;
static int hf_control_sync_info_event_counter = -1;
static int hf_control_sync_conn_event_count = -1;
static int hf_control_sync_last_pa_event_counter = -1;
static int hf_control_sync_sid = -1;
static int hf_control_sync_atype = -1;
static int hf_control_sync_sleep_clock_accuracy = -1;
static int hf_control_sync_sync_conn_event_counter = -1;
static int hf_control_sleep_clock_accuracy = -1;
static int hf_control_cig_id = -1;
static int hf_control_cis_id = -1;
static int hf_control_max_sdu_m_to_s = -1;
static int hf_control_rfu_1 = -1;
static int hf_control_framed = -1;
static int hf_control_max_sdu_s_to_m = -1;
static int hf_control_rfu_2 = -1;
static int hf_control_sdu_interval_m_to_s = -1;
static int hf_control_rfu_3 = -1;
static int hf_control_sdu_interval_s_to_m = -1;
static int hf_control_rfu_4 = -1;
static int hf_control_max_pdu_m_to_s = -1;
static int hf_control_max_pdu_s_to_m = -1;
static int hf_control_num_sub_events = -1;
static int hf_control_sub_interval = -1;
static int hf_control_bn_m_to_s = -1;
static int hf_control_bn_s_to_m = -1;
static int hf_control_ft_m_to_s = -1;
static int hf_control_ft_s_to_m = -1;
static int hf_control_iso_interval = -1;
static int hf_control_cis_offset_min = -1;
static int hf_control_cis_offset_max = -1;
static int hf_control_conn_event_count = -1;
static int hf_control_access_address = -1;
static int hf_control_cis_offset = -1;
static int hf_control_cig_sync_delay = -1;
static int hf_control_cis_sync_delay = -1;
static int hf_control_pwr_phy = -1;
static int hf_control_pwr_phy_le_1m_phy = -1;
static int hf_control_pwr_phy_le_2m_phy = -1;
static int hf_control_pwr_phy_le_coded_s8_phy = -1;
static int hf_control_pwr_phy_le_coded_s2_phy = -1;
static int hf_control_pwr_phy_reserved_bits = -1;
static int hf_control_delta = -1;
static int hf_control_txpwr = -1;
static int hf_control_pwrflags = -1;
static int hf_control_pwrflags_min = -1;
static int hf_control_pwrflags_max = -1;
static int hf_control_pwrflags_reserved_bits = -1;
static int hf_control_acceptable_power_reduction = -1;
static int hf_big_control_opcode = -1;
static int hf_isochronous_data = -1;
static int hf_btle_l2cap_msg_fragments = -1;
static int hf_btle_l2cap_msg_fragment = -1;
static int hf_btle_l2cap_msg_fragment_overlap = -1;
static int hf_btle_l2cap_msg_fragment_overlap_conflicts = -1;
static int hf_btle_l2cap_msg_fragment_multiple_tails = -1;
static int hf_btle_l2cap_msg_fragment_too_long_fragment = -1;
static int hf_btle_l2cap_msg_fragment_error = -1;
static int hf_btle_l2cap_msg_fragment_count = -1;
static int hf_btle_l2cap_msg_reassembled_in = -1;
static int hf_btle_l2cap_msg_reassembled_length = -1;
static int hf_btle_ea_host_advertising_data_fragments = -1;
static int hf_btle_ea_host_advertising_data_fragment = -1;
static int hf_btle_ea_host_advertising_data_fragment_overlap = -1;
static int hf_btle_ea_host_advertising_data_fragment_overlap_conflicts = -1;
static int hf_btle_ea_host_advertising_data_fragment_multiple_tails = -1;
static int hf_btle_ea_host_advertising_data_fragment_too_long_fragment = -1;
static int hf_btle_ea_host_advertising_data_fragment_error = -1;
static int hf_btle_ea_host_advertising_data_fragment_count = -1;
static int hf_btle_ea_host_advertising_data_reassembled_in = -1;
static int hf_btle_ea_host_advertising_data_reassembled_length = -1;
static int hf_request_in_frame = -1;
static int hf_response_in_frame = -1;
static gint ett_btle = -1;
static gint ett_advertising_header = -1;
static gint ett_link_layer_data = -1;
static gint ett_data_header = -1;
static gint ett_features = -1;
static gint ett_tx_phys = -1;
static gint ett_rx_phys = -1;
static gint ett_m_to_s_phy = -1;
static gint ett_s_to_m_phy = -1;
static gint ett_phys = -1;
static gint ett_pwr_phy = -1;
static gint ett_cte = -1;
static gint ett_channel_map = -1;
static gint ett_scan_response_data = -1;
static gint ett_pwrflags = -1;
static gint ett_btle_l2cap_msg_fragment = -1;
static gint ett_btle_l2cap_msg_fragments = -1;
static gint ett_btle_ea_host_advertising_data_fragment = -1;
static gint ett_btle_ea_host_advertising_data_fragments = -1;
static gint ett_extended_advertising_header = -1;
static gint ett_extended_advertising_flags = -1;
static gint ett_extended_advertising_cte_info = -1;
static gint ett_extended_advertising_data_info = -1;
static gint ett_extended_advertising_aux_pointer = -1;
static gint ett_extended_advertising_sync_info = -1;
static gint ett_extended_advertising_acad = -1;
static int * const hfx_extended_advertising_flags[] = {
&hf_extended_advertising_flags_adva,
&hf_extended_advertising_flags_targeta,
&hf_extended_advertising_flags_cteinfo,
&hf_extended_advertising_flags_advdatainfo,
&hf_extended_advertising_flags_aux_ptr,
&hf_extended_advertising_flags_sync_info,
&hf_extended_advertising_flags_tx_power,
&hf_extended_advertising_flags_reserved,
NULL
};
static int * const hfx_control_feature_set_1[] = {
&hf_control_feature_set_le_encryption,
&hf_control_feature_set_connection_parameters_request_procedure,
&hf_control_feature_set_extended_reject_indication,
&hf_control_feature_set_slave_initiated_features_exchange,
&hf_control_feature_set_le_ping,
&hf_control_feature_set_le_pkt_len_ext,
&hf_control_feature_set_ll_privacy,
&hf_control_feature_set_ext_scan_flt_pol,
NULL
};
static int * const hfx_control_feature_set_2[] = {
&hf_control_feature_set_le_2m_phy,
&hf_control_feature_set_stable_modulation_index_transmitter,
&hf_control_feature_set_stable_modulation_index_receiver,
&hf_control_feature_set_le_coded_phy,
&hf_control_feature_set_le_extended_advertising,
&hf_control_feature_set_le_periodic_advertising,
&hf_control_feature_set_channel_selection_algorithm_2,
&hf_control_feature_set_le_power_class_1,
NULL
};
static int * const hfx_control_feature_set_3[] = {
&hf_control_feature_set_minimum_number_of_used_channels_procedure,
&hf_control_feature_set_reserved_bits,
NULL
};
static int * const hfx_control_phys_sender[] = {
&hf_control_phys_sender_le_1m_phy,
&hf_control_phys_sender_le_2m_phy,
&hf_control_phys_sender_le_coded_phy,
&hf_control_phys_reserved_bits,
NULL
};
static int * const hfx_control_phys_update[] = {
&hf_control_phys_update_le_1m_phy,
&hf_control_phys_update_le_2m_phy,
&hf_control_phys_update_le_coded_phy,
&hf_control_phys_reserved_bits,
NULL
};
static int * const hfx_control_m_to_s_phy[] = {
&hf_control_m_to_s_phy_le_1m_phy,
&hf_control_m_to_s_phy_le_2m_phy,
&hf_control_m_to_s_phy_le_coded_phy,
&hf_control_m_to_s_phy_reserved_bits,
NULL
};
static int * const hfx_control_s_to_m_phy[] = {
&hf_control_s_to_m_phy_le_1m_phy,
&hf_control_s_to_m_phy_le_2m_phy,
&hf_control_s_to_m_phy_le_coded_phy,
&hf_control_s_to_m_phy_reserved_bits,
NULL
};
static int * const hfx_control_phys[] = {
&hf_control_phys_le_1m_phy,
&hf_control_phys_le_2m_phy,
&hf_control_phys_le_coded_phy,
&hf_control_phys_reserved_bits,
NULL
};
static int * const hfx_control_pwr_phy[] = {
&hf_control_pwr_phy_le_1m_phy,
&hf_control_pwr_phy_le_2m_phy,
&hf_control_pwr_phy_le_coded_s8_phy,
&hf_control_pwr_phy_le_coded_s2_phy,
&hf_control_pwr_phy_reserved_bits,
NULL
};
static int * const hfx_control_cte[] = {
&hf_control_cte_min_len_req,
&hf_control_cte_rfu,
&hf_control_cte_type_req,
NULL
};
static int * const hfx_control_periodicsyncflags[] = {
&hf_control_sync_sid,
&hf_control_sync_atype,
&hf_control_sync_sleep_clock_accuracy,
NULL
};
static int * const hfx_control_pwrflags[] = {
&hf_control_pwrflags_min,
&hf_control_pwrflags_max,
&hf_control_pwrflags_reserved_bits,
NULL
};
static expert_field ei_unknown_data = EI_INIT;
static expert_field ei_access_address_matched = EI_INIT;
static expert_field ei_access_address_bit_errors = EI_INIT;
static expert_field ei_access_address_illegal = EI_INIT;
static expert_field ei_crc_cannot_be_determined = EI_INIT;
static expert_field ei_crc_incorrect = EI_INIT;
static expert_field ei_missing_fragment_start = EI_INIT;
static expert_field ei_retransmit = EI_INIT;
static expert_field ei_nack = EI_INIT;
static expert_field ei_control_proc_overlapping = EI_INIT;
static expert_field ei_control_proc_invalid_collision = EI_INIT;
static expert_field ei_control_proc_wrong_seq = EI_INIT;
static dissector_handle_t btle_handle;
static dissector_handle_t btcommon_ad_handle;
static dissector_handle_t btcommon_le_channel_map_handle;
static dissector_handle_t btl2cap_handle;
static wmem_tree_t *connection_info_tree;
static wmem_tree_t *broadcastiso_connection_info_tree;
static wmem_tree_t *connection_parameter_info_tree;
static wmem_tree_t *adi_to_first_frame_tree;
static guint32 l2cap_index;
/* Reassembly */
static reassembly_table btle_l2cap_msg_reassembly_table;
static const fragment_items btle_l2cap_msg_frag_items = {
/* Fragment subtrees */
&ett_btle_l2cap_msg_fragment,
&ett_btle_l2cap_msg_fragments,
/* Fragment fields */
&hf_btle_l2cap_msg_fragments,
&hf_btle_l2cap_msg_fragment,
&hf_btle_l2cap_msg_fragment_overlap,
&hf_btle_l2cap_msg_fragment_overlap_conflicts,
&hf_btle_l2cap_msg_fragment_multiple_tails,
&hf_btle_l2cap_msg_fragment_too_long_fragment,
&hf_btle_l2cap_msg_fragment_error,
&hf_btle_l2cap_msg_fragment_count,
/* Reassembled in field */
&hf_btle_l2cap_msg_reassembled_in,
/* Reassembled length field */
&hf_btle_l2cap_msg_reassembled_length,
/* Reassembled data field */
NULL,
/* Tag */
"BTLE L2CAP fragments"
};
/* Extended Advertising Host Advertising Data Reassembly */
static reassembly_table btle_ea_host_advertising_data_reassembly_table;
static const fragment_items btle_ea_host_advertising_data_frag_items = {
/* Fragment subtrees */
&ett_btle_ea_host_advertising_data_fragment,
&ett_btle_ea_host_advertising_data_fragments,
/* Fragment fields */
&hf_btle_ea_host_advertising_data_fragments,
&hf_btle_ea_host_advertising_data_fragment,
&hf_btle_ea_host_advertising_data_fragment_overlap,
&hf_btle_ea_host_advertising_data_fragment_overlap_conflicts,
&hf_btle_ea_host_advertising_data_fragment_multiple_tails,
&hf_btle_ea_host_advertising_data_fragment_too_long_fragment,
&hf_btle_ea_host_advertising_data_fragment_error,
&hf_btle_ea_host_advertising_data_fragment_count,
/* Reassembled in field */
&hf_btle_ea_host_advertising_data_reassembled_in,
/* Reassembled length field */
&hf_btle_ea_host_advertising_data_reassembled_length,
/* Reassembled data field */
NULL,
/* Tag */
"BTLE EA HAD fragments"
};
typedef struct _ae_had_info_t {
guint fragment_counter;
guint32 first_frame_num;
} ae_had_info_t;
typedef struct _control_proc_info_t {
/* Sequence of frame numbers of the control procedure used for request/response matching.
* The first entry corresponds to the request, the remaining frames are responses.
* The longest sequence is needed for the encryption start procedure,
* which consists of 5 frames. */
guint frames[5];
/* Opcode of the first control procedure packet. */
guint8 proc_opcode;
/* The frame where the procedure completes. Set to 0 when not yet known.
* This is used to avoid adding another frame to the control procedure
* sequence after the procedure was aborted early.
*
* This frame number may be ignored in the case where an LL_UNKNOWN_RSP is
* received after a procedure involving only one packet, like the
* LL_MIN_USED_CHANNELS_IND. */
guint last_frame;
/* The frame number of the packet containing the instant value.
* If set to 0, there is no such frame.
*
* We need to store this frame number, as any event counter is
* a valid instant. */
guint frame_with_instant_value;
/* The event counter corresponding to the instant of the control procedure. */
guint16 instant;
} control_proc_info_t;
/* Store information about a connection direction */
typedef struct _direction_info_t {
guint prev_seq_num : 1; /* Previous sequence number for this direction */
guint segmentation_started : 1; /* 0 = No, 1 = Yes */
guint segment_len_rem; /* The remaining segment length, used to find last segment */
guint32 l2cap_index; /* Unique identifier for each L2CAP message */
wmem_tree_t *control_procs; /* Control procedures initiated from this direction. */
} direction_info_t;
typedef struct _connection_parameter_info_t {
guint32 parameters_frame;
} connection_parameter_info_t;
/* Store information about a connection */
typedef struct _connection_info_t {
/* Address information */
guint32 interface_id;
guint32 adapter_id;
guint32 access_address;
guint8 master_bd_addr[6];
guint8 slave_bd_addr[6];
guint16 connection_parameter_update_instant;
connection_parameter_info_t *connection_parameter_update_info;
/* Connection information */
/* Data used on the first pass to get info from previous frame, result will be in per_packet_data */
guint first_data_frame_seen : 1;
direction_info_t direction_info[3]; /* UNKNOWN, MASTER_SLAVE and SLAVE_MASTER */
} connection_info_t;
/* Store information about a broadcast isochronous connection */
typedef struct _broadcastiso_connection_info_t {
/* Address information */
guint32 interface_id;
guint32 adapter_id;
guint32 access_address;
guint8 master_bd_addr[6];
} broadcastiso_connection_info_t;
/* */
typedef struct _btle_frame_info_t {
guint retransmit : 1; /* 0 = No, 1 = Retransmitted frame */
guint ack : 1; /* 0 = Nack, 1 = Ack */
guint more_fragments : 1; /* 0 = Last fragment, 1 = More fragments */
guint missing_start : 1; /* 0 = No, 1 = Missing fragment start */
guint32 l2cap_index; /* Unique identifier for each L2CAP message */
} btle_frame_info_t;
static const value_string pdu_type_vals[] = {
{ 0x00, "ADV_IND" },
{ 0x01, "ADV_DIRECT_IND" },
{ 0x02, "ADV_NONCONN_IND" },
{ 0x03, "SCAN_REQ" },
{ 0x04, "SCAN_RSP" },
{ 0x05, "CONNECT_IND" },
{ 0x06, "ADV_SCAN_IND" },
{ 0x07, "ADV_EXT_IND" },
{ 0x08, "AUX_CONNECT_RSP" },
{ 0, NULL }
};
static value_string_ext pdu_type_vals_ext = VALUE_STRING_EXT_INIT(pdu_type_vals);
static const value_string aux_pdu_type_vals[] = {
{ 0x03, "AUX_SCAN_REQ" },
{ 0x05, "AUX_CONNECT_REQ" },
{ 0x07, "AUX_COMMON" },
{ 0x08, "AUX_CONNECT_RSP" },
{ 0, NULL}
};
static value_string_ext aux_pdu_type_vals_ext = VALUE_STRING_EXT_INIT(aux_pdu_type_vals);
static const value_string aux_pdu_common_vals[] = {
{ 0, "AUX_ADV_IND" },
{ 1, "AUX_CHAIN_IND" },
{ 2, "AUX_SYNC_IND" },
{ 3, "AUX_SCAN_RSP" },
{ 0, NULL}
};
static value_string_ext aux_pdu_common_vals_ext = VALUE_STRING_EXT_INIT(aux_pdu_common_vals);
static const value_string le_coding_indicators[] =
{
{ 0, "FEC Block 2 coded using S=8" },
{ 1, "FEC Block 2 coded using S=2" },
{ 2, "Reserved" },
{ 3, "Reserved" },
{ 0, NULL }
};
static const value_string sleep_clock_accuracy_vals[] = {
{ 0x00, "251 ppm to 500 ppm" },
{ 0x01, "151 ppm to 250 ppm" },
{ 0x02, "101 ppm to 150 ppm" },
{ 0x03, "76 ppm to 100 ppm" },
{ 0x04, "51 ppm to 75 ppm" },
{ 0x05, "31 ppm to 50 ppm" },
{ 0x06, "21 ppm to 30 ppm" },
{ 0x07, "0 ppm to 20 ppm" },
{ 0, NULL }
};
static value_string_ext sleep_clock_accuracy_vals_ext = VALUE_STRING_EXT_INIT(sleep_clock_accuracy_vals);
static const value_string llid_codes_vals[] = {
{ 0x01, "Continuation fragment of an L2CAP message, or an Empty PDU" },
{ 0x02, "Start of an L2CAP message or a complete L2CAP message with no fragmentation" },
{ 0x03, "Control PDU" },
{ 0, NULL }
};
static value_string_ext llid_codes_vals_ext = VALUE_STRING_EXT_INIT(llid_codes_vals);
static const value_string llid_connectediso_codes_vals[] = {
{ 0x00, "Unframed CIS Data PDU; end fragment of an SDU or a complete SDU" },
{ 0x01, "Unframed CIS Data PDU; start or continuation fragment of an SDU" },
{ 0x02, "Framed CIS Data PDU; one or more segments of an SDU" },
{ 0, NULL }
};
static value_string_ext llid_connectediso_codes_vals_ext = VALUE_STRING_EXT_INIT(llid_connectediso_codes_vals);
static const value_string llid_broadcastiso_codes_vals[] = {
{ 0x00, "Unframed BIS Data PDU; end fragment of an SDU or a complete SDU" },
{ 0x01, "Unframed BIS Data PDU; start or continuation fragment of an SDU" },
{ 0x02, "Framed BIS Data PDU; one or more segments of an SDU" },
{ 0x03, "BIG Control PDU" },
{ 0, NULL }
};
static value_string_ext llid_broadcastiso_codes_vals_ext = VALUE_STRING_EXT_INIT(llid_broadcastiso_codes_vals);
static const value_string control_opcode_vals[] = {
{ 0x00, "LL_CONNECTION_UPDATE_IND" },
{ 0x01, "LL_CHANNEL_MAP_IND" },
{ 0x02, "LL_TERMINATE_IND" },
{ 0x03, "LL_ENC_REQ" },
{ 0x04, "LL_ENC_RSP" },
{ 0x05, "LL_START_ENC_REQ" },
{ 0x06, "LL_START_ENC_RSP" },
{ 0x07, "LL_UNKNOWN_RSP" },
{ 0x08, "LL_FEATURE_REQ" },
{ 0x09, "LL_FEATURE_RSP" },
{ 0x0A, "LL_PAUSE_ENC_REQ" },
{ 0x0B, "LL_PAUSE_ENC_RSP" },
{ 0x0C, "LL_VERSION_IND" },
{ 0x0D, "LL_REJECT_IND" },
{ 0x0E, "LL_SLAVE_FEATURE_REQ" },
{ 0x0F, "LL_CONNECTION_PARAM_REQ" },
{ 0x10, "LL_CONNECTION_PARAM_RSP" },
{ 0x11, "LL_REJECT_EXT_IND" },
{ 0x12, "LL_PING_REQ" },
{ 0x13, "LL_PING_RSP" },
{ 0x14, "LL_LENGTH_REQ" },
{ 0x15, "LL_LENGTH_RSP" },
{ 0x16, "LL_PHY_REQ" },
{ 0x17, "LL_PHY_RSP" },
{ 0x18, "LL_PHY_UPDATE_IND" },
{ 0x19, "LL_MIN_USED_CHANNELS_IND" },
{ 0x1A, "LL_CTE_REQ" },
{ 0x1B, "LL_CTE_RSP" },
{ 0x1C, "LL_PERIODIC_SYNC_IND" },
{ 0x1D, "LL_CLOCK_ACCURACY_REQ" },
{ 0x1E, "LL_CLOCK_ACCURACY_RSP" },
{ 0x1F, "LL_CIS_REQ" },
{ 0x20, "LL_CIS_RSP" },
{ 0x21, "LL_CIS_IND" },
{ 0x22, "LL_CIS_TERMINATE_IND" },
{ 0x23, "LL_POWER_CONTROL_REQ" },
{ 0x24, "LL_POWER_CONTROL_RSP" },
{ 0x25, "LL_POWER_CHANGE_IND" },
{ 0, NULL }
};
static value_string_ext control_opcode_vals_ext = VALUE_STRING_EXT_INIT(control_opcode_vals);
static const value_string big_control_opcode_vals[] = {
{ 0x00, "BIG_CHANNEL_MAP_IND" },
{ 0x01, "BIG_TERMINATE_IND" },
{ 0, NULL }
};
static value_string_ext big_control_opcode_vals_ext = VALUE_STRING_EXT_INIT(big_control_opcode_vals);
/* Taken from https://www.bluetooth.com/specifications/assigned-numbers/link-layer/ */
static const value_string ll_version_number_vals[] = {
{ 0x06, "4.0"},
{ 0x07, "4.1" },
{ 0x08, "4.2" },
{ 0x09, "5.0" },
{ 0x0A, "5.1" },
{ 0x0B, "5.2" },
{ 0, NULL }
};
static value_string_ext ll_version_number_vals_ext = VALUE_STRING_EXT_INIT(ll_version_number_vals);
static const value_string advertising_mode_vals[] = {
{ 0x00, "Non-connectable Non-scannable" },
{ 0x01, "Connectable Non-scannable" },
{ 0x02, "Non-connectable Scannable"},
{ 0x03, "Reserved for future use"},
{ 0, NULL},
};
static value_string_ext advertising_mode_vals_ext = VALUE_STRING_EXT_INIT(advertising_mode_vals);
static const value_string le_phys[] =
{
{ 0, "LE 1M" },
{ 1, "LE 2M" },
{ 2, "LE Coded" },
{ 3, "Reserved" },
{ 4, "Reserved" },
{ 5, "Reserved" },
{ 6, "Reserved" },
{ 7, "Reserved" },
{ 0, NULL }
};
static const value_string le_cte_type_vals[] = {
{ 0, "AoA Constant Tone Extension" },
{ 1, "AoD Constant Tone Extension with 1 usec slots" },
{ 2, "AoD Constant Tone Extension with 2 usec slots" },
{ 3, "Reserved for future use" },
{ 0, NULL }
};
static const true_false_string tfs_ca = {
"0 ppm to 50 ppm",
"51 ppm to 500 ppm"
};
static const true_false_string tfs_offset_units = {
"300 usec",
"30 usec"
};
static const true_false_string tfs_offset_adjust = {
"Adjusted 2.4576 seconds",
"No adjust"
};
static const true_false_string tfs_ch_sel = {
"#2",
"#1"
};
static const true_false_string tfs_random_public = {
"Random",
"Public"
};
void proto_register_btle(void);
void proto_reg_handoff_btle(void);
static gboolean btle_detect_retransmit = TRUE;
static void
btle_init(void)
{
l2cap_index = 0;
}
/*
* Implements Bluetooth Vol 6, Part B, Section 3.1.1 (ref Figure 3.2)
*
* At entry: tvb is entire BTLE packet without preamble
* payload_len is the Length field from the BTLE PDU header
* crc_init as defined in the specifications
*
* This implementation operates on nibbles and is therefore
* endian-neutral.
*/
static guint32
btle_crc(tvbuff_t *tvb, const guint8 payload_len, const guint32 crc_init)
{
static const guint16 btle_crc_next_state_flips[256] = {
0x0000, 0x32d8, 0x196c, 0x2bb4, 0x0cb6, 0x3e6e, 0x15da, 0x2702,
0x065b, 0x3483, 0x1f37, 0x2def, 0x0aed, 0x3835, 0x1381, 0x2159,
0x065b, 0x3483, 0x1f37, 0x2def, 0x0aed, 0x3835, 0x1381, 0x2159,
0x0000, 0x32d8, 0x196c, 0x2bb4, 0x0cb6, 0x3e6e, 0x15da, 0x2702,
0x0cb6, 0x3e6e, 0x15da, 0x2702, 0x0000, 0x32d8, 0x196c, 0x2bb4,
0x0aed, 0x3835, 0x1381, 0x2159, 0x065b, 0x3483, 0x1f37, 0x2def,
0x0aed, 0x3835, 0x1381, 0x2159, 0x065b, 0x3483, 0x1f37, 0x2def,
0x0cb6, 0x3e6e, 0x15da, 0x2702, 0x0000, 0x32d8, 0x196c, 0x2bb4,
0x196c, 0x2bb4, 0x0000, 0x32d8, 0x15da, 0x2702, 0x0cb6, 0x3e6e,
0x1f37, 0x2def, 0x065b, 0x3483, 0x1381, 0x2159, 0x0aed, 0x3835,
0x1f37, 0x2def, 0x065b, 0x3483, 0x1381, 0x2159, 0x0aed, 0x3835,
0x196c, 0x2bb4, 0x0000, 0x32d8, 0x15da, 0x2702, 0x0cb6, 0x3e6e,
0x15da, 0x2702, 0x0cb6, 0x3e6e, 0x196c, 0x2bb4, 0x0000, 0x32d8,
0x1381, 0x2159, 0x0aed, 0x3835, 0x1f37, 0x2def, 0x065b, 0x3483,
0x1381, 0x2159, 0x0aed, 0x3835, 0x1f37, 0x2def, 0x065b, 0x3483,
0x15da, 0x2702, 0x0cb6, 0x3e6e, 0x196c, 0x2bb4, 0x0000, 0x32d8,
0x32d8, 0x0000, 0x2bb4, 0x196c, 0x3e6e, 0x0cb6, 0x2702, 0x15da,
0x3483, 0x065b, 0x2def, 0x1f37, 0x3835, 0x0aed, 0x2159, 0x1381,
0x3483, 0x065b, 0x2def, 0x1f37, 0x3835, 0x0aed, 0x2159, 0x1381,
0x32d8, 0x0000, 0x2bb4, 0x196c, 0x3e6e, 0x0cb6, 0x2702, 0x15da,
0x3e6e, 0x0cb6, 0x2702, 0x15da, 0x32d8, 0x0000, 0x2bb4, 0x196c,
0x3835, 0x0aed, 0x2159, 0x1381, 0x3483, 0x065b, 0x2def, 0x1f37,
0x3835, 0x0aed, 0x2159, 0x1381, 0x3483, 0x065b, 0x2def, 0x1f37,
0x3e6e, 0x0cb6, 0x2702, 0x15da, 0x32d8, 0x0000, 0x2bb4, 0x196c,
0x2bb4, 0x196c, 0x32d8, 0x0000, 0x2702, 0x15da, 0x3e6e, 0x0cb6,
0x2def, 0x1f37, 0x3483, 0x065b, 0x2159, 0x1381, 0x3835, 0x0aed,
0x2def, 0x1f37, 0x3483, 0x065b, 0x2159, 0x1381, 0x3835, 0x0aed,
0x2bb4, 0x196c, 0x32d8, 0x0000, 0x2702, 0x15da, 0x3e6e, 0x0cb6,
0x2702, 0x15da, 0x3e6e, 0x0cb6, 0x2bb4, 0x196c, 0x32d8, 0x0000,
0x2159, 0x1381, 0x3835, 0x0aed, 0x2def, 0x1f37, 0x3483, 0x065b,
0x2159, 0x1381, 0x3835, 0x0aed, 0x2def, 0x1f37, 0x3483, 0x065b,
0x2702, 0x15da, 0x3e6e, 0x0cb6, 0x2bb4, 0x196c, 0x32d8, 0x0000
};
gint offset = 4; /* skip AA, CRC applies over PDU */
guint32 state = crc_init;
guint8 bytes_to_go = 2+payload_len; /* PDU includes header and payload */
while( bytes_to_go-- ) {
guint8 byte = tvb_get_guint8(tvb, offset++);
guint8 nibble = (byte & 0xf);
guint8 byte_index = ((state >> 16) & 0xf0) | nibble;
state = ((state << 4) ^ btle_crc_next_state_flips[byte_index]) & 0xffffff;
nibble = ((byte >> 4) & 0xf);
byte_index = ((state >> 16) & 0xf0) | nibble;
state = ((state << 4) ^ btle_crc_next_state_flips[byte_index]) & 0xffffff;
}
return state;
}
static const gchar * adv_pdu_type_str_get(const btle_context_t *btle_context, guint32 pdu_type)
{
if (!btle_context || !(btle_context->channel < 37)) {
return val_to_str_ext_const(pdu_type, &pdu_type_vals_ext, "Unknown");
} else if (pdu_type == 0x07 && btle_context->aux_pdu_type_valid) {
return val_to_str_ext_const(btle_context->aux_pdu_type, &aux_pdu_common_vals_ext, "Unknown");
} else {
return val_to_str_ext_const(pdu_type, &aux_pdu_type_vals_ext, "Unknown");
}
}
/*
* Reverses the bits in each byte of a 32-bit word.
*
* Needed because CRCs are transmitted in bit-reversed order compared
* to the rest of the BTLE packet. See BT spec, Vol 6, Part B,
* Section 1.2.
*/
static guint32
reverse_bits_per_byte(const guint32 val)
{
const guint8 nibble_rev[16] = {
0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe,
0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf
};
guint32 retval = 0;
unsigned byte_index;
for (byte_index=0; byte_index<4; byte_index++) {
guint shiftA = byte_index*8;
guint shiftB = shiftA+4;
retval |= (nibble_rev[((val >> shiftA) & 0xf)] << shiftB);
retval |= (nibble_rev[((val >> shiftB) & 0xf)] << shiftA);
}
return retval;
}
static gint
dissect_feature_set(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_item *sub_item;
proto_tree *sub_tree;
sub_item = proto_tree_add_item(btle_tree, hf_control_feature_set, tvb, offset, 8, ENC_LITTLE_ENDIAN);
sub_tree = proto_item_add_subtree(sub_item, ett_features);
proto_tree_add_bitmask_list(sub_tree, tvb, offset, 1, hfx_control_feature_set_1, ENC_NA);
offset += 1;
proto_tree_add_bitmask_list(sub_tree, tvb, offset, 1, hfx_control_feature_set_2, ENC_NA);
offset += 1;
proto_tree_add_bitmask_list(sub_tree, tvb, offset, 1, hfx_control_feature_set_3, ENC_NA);
offset += 1;
proto_tree_add_item(sub_tree, hf_control_feature_set_reserved, tvb, offset, 5, ENC_NA);
offset += 5;
return offset;
}
static gint
dissect_conn_param_req_rsp(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_item(btle_tree, hf_control_interval_min, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_interval_max, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_latency, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_timeout, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_preferred_periodicity, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_reference_connection_event_count, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_offset_0, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_offset_1, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_offset_2, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_offset_3, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_offset_4, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_offset_5, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
return offset;
}
static gint
dissect_length_req_rsp(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_item(btle_tree, hf_control_max_rx_octets, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_max_rx_time, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_max_tx_octets, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_max_tx_time, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
return offset;
}
static gint
dissect_phy_req_rsp(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_tx_phys, ett_tx_phys, hfx_control_phys_sender, ENC_NA);
offset += 1;
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_rx_phys, ett_rx_phys, hfx_control_phys_sender, ENC_NA);
offset += 1;
return offset;
}
static gint
dissect_periodic_sync_ind(tvbuff_t *tvb, proto_tree *btle_tree, gint offset, packet_info *pinfo, guint32 interface_id, guint32 adapter_id)
{
guint32 sync_offset, interval;
gint reserved_offset;
guint16 sf;
guint8 bd_addr[6];
proto_item *item;
proto_item *sub_item;
proto_tree *sub_tree;
/* ID */
proto_tree_add_item(btle_tree, hf_control_sync_id, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
/* Sync Info */
sf = tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN);
item = proto_tree_add_item_ret_uint(btle_tree, hf_control_sync_info_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN, &sync_offset);
proto_tree_add_item(btle_tree, hf_control_sync_info_offset_units, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(btle_tree, hf_control_sync_info_offset_adjust, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(btle_tree, hf_control_sync_info_reserved, tvb, offset, 2, ENC_LITTLE_ENDIAN);
if (sync_offset > 0) {
proto_item_append_text(item, " (%u usec)", sync_offset * ((sf & 0x2000) != 0 ? 300 : 30) + ((sf & 0x4000) != 0 ? 2457600 : 0));
} else {
proto_item_append_text(item, " Cannot be represented");
}
offset += 2;
item = proto_tree_add_item_ret_uint(btle_tree, hf_control_sync_info_interval, tvb, offset, 2, ENC_LITTLE_ENDIAN, &interval);
proto_item_append_text(item, " (%g msec)", interval * 1.25);
offset += 2;
sub_item = proto_tree_add_item(btle_tree, hf_control_sync_info_channel_map, tvb, offset, 5, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_channel_map);
call_dissector_with_data(btcommon_le_channel_map_handle, tvb_new_subset_length(tvb, offset, 5), pinfo, sub_tree, &reserved_offset);
proto_tree_add_item(btle_tree, hf_control_sync_info_sleep_clock_accuracy, tvb, reserved_offset, 1, ENC_LITTLE_ENDIAN);
offset += 5;
proto_tree_add_item(btle_tree, hf_control_sync_info_access_address, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(btle_tree, hf_control_sync_info_crc_init, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_sync_info_event_counter, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
/* connEv */
proto_tree_add_item(btle_tree, hf_control_sync_conn_event_count, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_sync_last_pa_event_counter, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_bitmask_list(btle_tree, tvb, offset, 1, hfx_control_periodicsyncflags, ENC_NA);
offset += 1;
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_phys, ett_phys, hfx_control_phys, ENC_NA);
offset += 1;
offset = dissect_bd_addr(hf_advertising_address, pinfo, btle_tree, tvb, offset, TRUE, interface_id, adapter_id, bd_addr);
proto_tree_add_item(btle_tree, hf_control_sync_sync_conn_event_counter, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
return offset;
}
static gint
dissect_cis_req(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
guint32 interval;
proto_item *item;
proto_tree_add_item(btle_tree, hf_control_cig_id, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_cis_id, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_m_to_s_phy, ett_m_to_s_phy, hfx_control_m_to_s_phy, ENC_NA);
offset += 1;
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_s_to_m_phy, ett_s_to_m_phy, hfx_control_s_to_m_phy, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_max_sdu_m_to_s, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(btle_tree, hf_control_rfu_1, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(btle_tree, hf_control_framed, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_max_sdu_s_to_m, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(btle_tree, hf_control_rfu_2, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_sdu_interval_m_to_s, tvb, offset, 3, ENC_LITTLE_ENDIAN);
proto_tree_add_item(btle_tree, hf_control_rfu_3, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_sdu_interval_s_to_m, tvb, offset, 3, ENC_LITTLE_ENDIAN);
proto_tree_add_item(btle_tree, hf_control_rfu_4, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_max_pdu_m_to_s, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_max_pdu_s_to_m, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_num_sub_events, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_sub_interval, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_bn_m_to_s, tvb, offset, 1, ENC_NA);
proto_tree_add_item(btle_tree, hf_control_bn_s_to_m, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_ft_m_to_s, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_ft_s_to_m, tvb, offset, 1, ENC_NA);
offset += 1;
item = proto_tree_add_item_ret_uint(btle_tree, hf_control_iso_interval, tvb, offset, 2, ENC_LITTLE_ENDIAN, &interval);
proto_item_append_text(item, " (%g msec)", interval * 1.25);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_cis_offset_min, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_cis_offset_max, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_conn_event_count, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
return offset;
}
static gint
dissect_cis_rsp(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_item(btle_tree, hf_control_cis_offset_min, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_cis_offset_max, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_conn_event_count, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
return offset;
}
static gint
dissect_cis_ind(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_item(btle_tree, hf_control_access_address, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(btle_tree, hf_control_cis_offset, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_cig_sync_delay, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_cis_sync_delay, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(btle_tree, hf_control_conn_event_count, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
return offset;
}
static gint
dissect_cis_terminate_ind(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_item(btle_tree, hf_control_cig_id, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_cis_id, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_error_code, tvb, offset, 1, ENC_NA);
offset += 1;
return offset;
}
static gint
dissect_power_control_req(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_pwr_phy, ett_pwr_phy, hfx_control_pwr_phy, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_delta, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_txpwr, tvb, offset, 1, ENC_NA);
offset += 1;
return offset;
}
static gint
dissect_power_control_rsp(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_pwrflags, ett_pwrflags, hfx_control_pwrflags, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_delta, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_txpwr, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_acceptable_power_reduction, tvb, offset, 1, ENC_NA);
offset += 1;
return offset;
}
static gint
dissect_power_control_ind(tvbuff_t *tvb, proto_tree *btle_tree, gint offset)
{
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_pwr_phy, ett_pwr_phy, hfx_control_pwr_phy, ENC_NA);
offset += 1;
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_pwrflags, ett_pwrflags, hfx_control_pwrflags, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_delta, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_txpwr, tvb, offset, 1, ENC_NA);
offset += 1;
return offset;
}
static gint
dissect_ctrl_pdu_without_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *btle_tree, gint offset)
{
if (tvb_reported_length_remaining(tvb, offset) > 3) {
proto_tree_add_expert(btle_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
offset += tvb_reported_length_remaining(tvb, offset) - 3;
}
return offset;
}
/* Mark the start of a new control procedure.
* At first visit it will create a new control procedure context.
* Otherwise it will update the existing context.
*
* If there is already an ongoing control procedure context, control procedure
* contexts will not be created or modified.
*
* It returns the procedure context in case it exists, otherwise NULL.
*/
static control_proc_info_t *
control_proc_start(tvbuff_t *tvb,
packet_info *pinfo,
proto_tree *btle_tree,
proto_item *control_proc_item,
wmem_tree_t *control_proc_tree,
guint8 opcode)
{
control_proc_info_t *proc_info;
if (!pinfo->fd->visited) {
/* Check the if there is an existing ongoing procedure. */
proc_info = (control_proc_info_t *)wmem_tree_lookup32_le(control_proc_tree, pinfo->num);
if (proc_info && proc_info->last_frame == 0) {
/* Control procedure violation - initiating new procedure before previous was complete */
return NULL;
} else {
/* Create a new control procedure context. */
proc_info = wmem_new0(wmem_file_scope(), control_proc_info_t);
memset(proc_info, 0, sizeof(control_proc_info_t));
proc_info->frames[0] = pinfo->num;
proc_info->proc_opcode = opcode;
wmem_tree_insert32(control_proc_tree, pinfo->num, proc_info);
}
} else {
/* Match the responses with this request. */
proc_info = (control_proc_info_t *)wmem_tree_lookup32(control_proc_tree, pinfo->num);
if (proc_info && proc_info->proc_opcode == opcode) {
proto_item *sub_item;
for (guint i = 1; i < sizeof(proc_info->frames)/sizeof(proc_info->frames[0]); i++) {
if (proc_info->frames[i]) {
sub_item = proto_tree_add_uint(btle_tree, hf_response_in_frame, tvb, 0, 0, proc_info->frames[i]);
proto_item_set_generated(sub_item);
}
}
} else {
/* The found control procedure does not match the last one.
* This indicates a protocol violation. */
expert_add_info(pinfo, control_proc_item, &ei_control_proc_overlapping);
return NULL;
}
}
return proc_info;
}
/* Checks if it is possible to add the frame at the given index
* to the given control procedure context.
*
* It does not care if the procedure is already marked as completed.
* Therefore this function can be used to add an LL_UNKNOWN_RSP to
* a completed connection parameter update procedure.
*/
static gboolean
control_proc_can_add_frame_even_if_complete(packet_info *pinfo,
control_proc_info_t *last_control_proc_info,
guint8 proc_opcode,
guint frame_num)
{
if (frame_num == 0)
return FALSE; /* This function must be used to add a frame to an ongoing procedure */
/* We need to check if the control procedure has been initiated. */
if (!last_control_proc_info)
return FALSE;
/* And that the new frame belongs to this control procedure */
if (last_control_proc_info->proc_opcode != proc_opcode)
return FALSE;
/* Previous frame has not yet been added. */
if (last_control_proc_info->frames[frame_num - 1] == 0)
return FALSE;
/* We need to check if we can add this frame at this index
* in the control procedure sequence. */
/* The first time we visit the frame, we just need to check that the
* spot is empty. */
if (!pinfo->fd->visited && last_control_proc_info->frames[frame_num])
return FALSE; /* Another opcode has already been added to the procedure at this index */
/* At later visits, we need to check that we are not replacing the frame with
* another frame. */
if (pinfo->fd->visited && (last_control_proc_info->frames[frame_num] != pinfo->num))
return FALSE;
return TRUE;
}
static gboolean
control_proc_is_complete(guint32 frame_num, control_proc_info_t const *last_control_proc_info)
{
if (last_control_proc_info->last_frame != 0 &&
frame_num > last_control_proc_info->last_frame)
return TRUE;
return FALSE;
}
static gboolean
control_proc_can_add_frame(packet_info *pinfo,
control_proc_info_t *last_control_proc_info,
guint8 proc_opcode,
guint frame_num)
{
if (!control_proc_can_add_frame_even_if_complete(pinfo,
last_control_proc_info,
proc_opcode,
frame_num))
return FALSE;
/* We check that we are not adding a frame to a completed procedure. */
if (control_proc_is_complete(pinfo->num, last_control_proc_info))
return FALSE;
return TRUE;
}
static void
control_proc_complete_if_instant_reached(guint frame_num,
guint16 event_counter,
control_proc_info_t *last_control_proc_info)
{
/* We need to check if the control procedure has been initiated. */
if (!last_control_proc_info)
return;
if (control_proc_is_complete(frame_num, last_control_proc_info))
return;
/* The instant can only be reached if the current frame is after
* the one containing the instant value. */
if ((last_control_proc_info->frame_with_instant_value == 0)||
(frame_num < last_control_proc_info->frame_with_instant_value))
return;
if (last_control_proc_info->instant == event_counter) {
/* Frame matches event counter, mark procedure as complete. */
last_control_proc_info->last_frame = frame_num;
}
}
static gboolean
control_proc_contains_instant(guint8 proc_opcode)
{
switch (proc_opcode)
{
case 0x00: /* LL_CONNECTION_UPDATE_IND */
case 0x01: /* LL_CHANNEL_MAP_UPDATE_IND */
case 0x0F: /* LL_CONNECTION_PARAM_REQ */
case 0x16: /* LL_PHY_REQ */
return TRUE;
default:
return FALSE;
}
}
/* Returns true if this frame contains an collision violating the specification.
*
* See Core_v5.2, Vol 6, Part B, Section 5.3 */
static gboolean
control_proc_invalid_collision(packet_info const *pinfo,
control_proc_info_t const *control_proc_other,
guint8 proc_opcode)
{
if (!control_proc_other)
return FALSE;
if (control_proc_is_complete(pinfo->num, control_proc_other))
return FALSE;
/* Both procedures must contain an instant to be marked as incompatible. */
if (!control_proc_contains_instant(control_proc_other->proc_opcode) ||
!control_proc_contains_instant(proc_opcode))
return FALSE;
/* From the Core Spec:
*
* If the peer has already sent at least one PDU as part of procedure A, the
* device should immediately exit the Connection State and transition to the
* Standby State.
*
* That is, if there exists are response in the other procedure at this point in
* time, there is a procedure violation.
*/
if (control_proc_other->frames[1] < pinfo->num)
return TRUE;
else
return FALSE;
}
static void
dissect_ad_eir(tvbuff_t *tvb, guint32 interface_id, guint32 adapter_id, guint32 frame_number, guint8 *src_bd_addr, packet_info *pinfo, proto_tree *tree)
{
bluetooth_eir_ad_data_t *ad_data = wmem_new0(wmem_packet_scope(), bluetooth_eir_ad_data_t);
ad_data->interface_id = interface_id;
ad_data->adapter_id = adapter_id;
call_dissector_with_data(btcommon_ad_handle, tvb, pinfo, tree, ad_data);
if (pinfo->fd->visited)
return;
for (gint offset = 0;; ) {
guint remain = tvb_reported_length_remaining(tvb, offset);
guint length;
guint8 opcode;
if (remain < 1)
break;
length = tvb_get_guint8(tvb, offset);
++offset;
if (length <= 0)
continue;
--remain;
if (remain < length)
break;
opcode = tvb_get_guint8(tvb, offset);
if (opcode == 0x2c && length >= 34) {
guint seed_access_address = tvb_get_guint32(tvb, offset + 14, ENC_LITTLE_ENDIAN);
guint32 trunc_seed_access_address = seed_access_address & 0x0041ffff;
broadcastiso_connection_info_t *nconnection_info;
wmem_tree_key_t key[5];
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &trunc_seed_access_address;
key[3].length = 1;
key[3].key = &frame_number;
key[4].length = 0;
key[4].key = NULL;
nconnection_info = wmem_new0(wmem_file_scope(), broadcastiso_connection_info_t);
nconnection_info->interface_id = interface_id;
nconnection_info->adapter_id = adapter_id;
nconnection_info->access_address = seed_access_address;
if (src_bd_addr)
memcpy(nconnection_info->master_bd_addr, src_bd_addr, 6);
wmem_tree_insert32_array(broadcastiso_connection_info_tree, key, nconnection_info);
}
offset += length;
}
}
static gint
dissect_btle(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
proto_item *btle_item;
proto_tree *btle_tree;
proto_item *sub_item;
proto_tree *sub_tree;
gint offset = 0;
guint32 access_address, length;
tvbuff_t *next_tvb;
guint8 *dst_bd_addr;
guint8 *src_bd_addr;
static const guint8 broadcast_addr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
connection_info_t *connection_info = NULL;
wmem_tree_t *wmem_tree;
wmem_tree_key_t key[5], ae_had_key[4];
guint32 interface_id;
guint32 adapter_id;
guint32 connection_access_address;
guint32 frame_number;
enum {CRC_INDETERMINATE,
CRC_CAN_BE_CALCULATED,
CRC_INCORRECT,
CRC_CORRECT} crc_status = CRC_INDETERMINATE;
guint32 crc_init = 0x555555; /* default to advertising channel's value */
guint32 packet_crc;
const btle_context_t *btle_context = NULL;
bluetooth_data_t *bluetooth_data = NULL;
ubertooth_data_t *ubertooth_data = NULL;
gint previous_proto;
wmem_list_frame_t *list_data;
proto_item *item;
guint item_value;
guint8 btle_pdu_type = BTLE_PDU_TYPE_UNKNOWN;
list_data = wmem_list_frame_prev(wmem_list_tail(pinfo->layers));
if (list_data) {
previous_proto = GPOINTER_TO_INT(wmem_list_frame_data(list_data));
if ((previous_proto == proto_btle_rf)||(previous_proto == proto_nordic_ble)) {
btle_context = (const btle_context_t *) data;
bluetooth_data = btle_context->previous_protocol_data.bluetooth_data;
} else if (previous_proto == proto_bluetooth) {
bluetooth_data = (bluetooth_data_t *) data;
}
if (bluetooth_data && bluetooth_data->previous_protocol_data_type == BT_PD_UBERTOOTH_DATA) {
ubertooth_data = bluetooth_data->previous_protocol_data.ubertooth_data;
}
}
src_bd_addr = (guint8 *) wmem_alloc(pinfo->pool, 6);
dst_bd_addr = (guint8 *) wmem_alloc(pinfo->pool, 6);
if (btle_context && btle_context->crc_checked_at_capture) {
crc_status = btle_context->crc_valid_at_capture ? CRC_CORRECT : CRC_INCORRECT;
}
col_set_str(pinfo->cinfo, COL_PROTOCOL, "LE LL");
btle_item = proto_tree_add_item(tree, proto_btle, tvb, offset, -1, ENC_NA);
btle_tree = proto_item_add_subtree(btle_item, ett_btle);
sub_item = proto_tree_add_item(btle_tree, hf_access_address, tvb, offset, 4, ENC_LITTLE_ENDIAN);
access_address = tvb_get_letohl(tvb, offset);
if (btle_context) {
switch(btle_context->aa_category) {
case E_AA_MATCHED:
expert_add_info(pinfo, sub_item, &ei_access_address_matched);
break;
case E_AA_ILLEGAL:
expert_add_info(pinfo, sub_item, &ei_access_address_illegal);
break;
case E_AA_BIT_ERRORS:
expert_add_info(pinfo, sub_item, &ei_access_address_bit_errors);
break;
default:
break;
}
}
offset += 4;
if (btle_context && btle_context->phy == LE_CODED_PHY) {
proto_tree_add_item(btle_tree, hf_coding_indicator, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
}
if (bluetooth_data)
interface_id = bluetooth_data->interface_id;
else if (pinfo->rec->presence_flags & WTAP_HAS_INTERFACE_ID)
interface_id = pinfo->rec->rec_header.packet_header.interface_id;
else
interface_id = HCI_INTERFACE_DEFAULT;
if (ubertooth_data)
adapter_id = ubertooth_data->bus_id << 8 | ubertooth_data->device_address;
else if (bluetooth_data)
adapter_id = bluetooth_data->adapter_id;
else
adapter_id = HCI_ADAPTER_DEFAULT;
frame_number = pinfo->num;
if (btle_context) {
btle_pdu_type = btle_context->pdu_type;
}
if (btle_pdu_type == BTLE_PDU_TYPE_UNKNOWN) {
/* No context to provide us with physical channel pdu type, make an assumption from the access address */
btle_pdu_type = access_address == ACCESS_ADDRESS_ADVERTISING ? BTLE_PDU_TYPE_ADVERTISING : BTLE_PDU_TYPE_DATA;
}
if (btle_pdu_type == BTLE_PDU_TYPE_ADVERTISING) {
proto_item *advertising_header_item;
proto_tree *advertising_header_tree;
proto_item *link_layer_data_item;
proto_tree *link_layer_data_tree;
guint8 header, pdu_type;
gboolean ch_sel_valid = FALSE, tx_add_valid = FALSE, rx_add_valid = FALSE;
if (crc_status == CRC_INDETERMINATE) {
/* Advertising channel CRCs can aways be calculated, because CRCInit is always known. */
crc_status = CRC_CAN_BE_CALCULATED;
}
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &access_address;
key[3].length = 0;
key[3].key = NULL;
wmem_tree = (wmem_tree_t *) wmem_tree_lookup32_array(connection_info_tree, key);
if (wmem_tree) {
connection_info = (connection_info_t *) wmem_tree_lookup32_le(wmem_tree, pinfo->num);
if (connection_info) {
set_address(&pinfo->net_src, AT_ETHER, 6, connection_info->master_bd_addr);
copy_address_shallow(&pinfo->dl_src, &pinfo->net_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
memcpy(src_bd_addr, connection_info->master_bd_addr, 6);
}
}
advertising_header_item = proto_tree_add_item(btle_tree, hf_advertising_header, tvb, offset, 2, ENC_LITTLE_ENDIAN);
advertising_header_tree = proto_item_add_subtree(advertising_header_item, ett_advertising_header);
header = tvb_get_guint8(tvb, offset);
pdu_type = header & 0x0F;
switch (pdu_type) {
case 0x00: /* ADV_IND */
ch_sel_valid = TRUE;
/* Fallthrough */
case 0x02: /* ADV_NONCONN_IND */
case 0x06: /* ADV_SCAN_IND */
case 0x04: /* SCAN_RSP */
tx_add_valid = TRUE;
break;
case 0x07: /* ADV_EXT_IND / AUX_ADV_IND / AUX_SYNC_IND / AUX_CHAIN_IND / AUX_SCAN_RSP */
case 0x08: /* AUX_CONNECT_RSP */
{
/* 0 + header, 1 = len, 2 = ext_len/adv-mode, 3 = flags */
guint8 ext_header_flags = tvb_get_guint8(tvb, offset + 3);
ch_sel_valid = FALSE;
tx_add_valid = (ext_header_flags & 0x01) != 0;
rx_add_valid = (ext_header_flags & 0x02) != 0;
break;
}
case 0x01: /* ADV_DIRECT_IND */
case 0x05: /* CONNECT_IND or AUX_CONNECT_REQ */
if (btle_context && btle_context->channel >= 37) {
/* CONNECT_IND */
ch_sel_valid = TRUE;
}
/* Fallthrough */
case 0x03: /* SCAN_REQ or AUX_SCAN_REQ */
tx_add_valid = TRUE;
rx_add_valid = TRUE;
break;
}
proto_item_append_text(advertising_header_item, " (PDU Type: %s", adv_pdu_type_str_get(btle_context, pdu_type));
item = proto_tree_add_item(advertising_header_tree, hf_advertising_header_pdu_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_item_append_text(item, " %s", adv_pdu_type_str_get(btle_context, pdu_type));
proto_tree_add_item(advertising_header_tree, hf_advertising_header_rfu_1, tvb, offset, 1, ENC_LITTLE_ENDIAN);
if (ch_sel_valid) {
proto_item_append_text(advertising_header_item, ", ChSel: %s",
tfs_get_string(header & 0x20, &tfs_ch_sel));
proto_tree_add_item(advertising_header_tree, hf_advertising_header_ch_sel, tvb, offset, 1, ENC_LITTLE_ENDIAN);
} else {
proto_tree_add_item(advertising_header_tree, hf_advertising_header_rfu_2, tvb, offset, 1, ENC_LITTLE_ENDIAN);
}
if (tx_add_valid) {
proto_item_append_text(advertising_header_item, ", TxAdd: %s",
tfs_get_string(header & 0x40, &tfs_random_public));
proto_tree_add_item(advertising_header_tree, hf_advertising_header_randomized_tx, tvb, offset, 1, ENC_LITTLE_ENDIAN);
} else {
proto_tree_add_item(advertising_header_tree, hf_advertising_header_rfu_3, tvb, offset, 1, ENC_LITTLE_ENDIAN);
}
if (rx_add_valid) {
proto_item_append_text(advertising_header_item, ", RxAdd: %s",
tfs_get_string(header & 0x80, &tfs_random_public));
proto_tree_add_item(advertising_header_tree, hf_advertising_header_randomized_rx, tvb, offset, 1, ENC_LITTLE_ENDIAN);
} else {
proto_tree_add_item(advertising_header_tree, hf_advertising_header_rfu_4, tvb, offset, 1, ENC_LITTLE_ENDIAN);
}
proto_item_append_text(advertising_header_item, ")");
col_set_str(pinfo->cinfo, COL_INFO, adv_pdu_type_str_get(btle_context, pdu_type));
offset += 1;
proto_tree_add_item(advertising_header_tree, hf_advertising_header_length, tvb, offset, 1, ENC_LITTLE_ENDIAN);
item = proto_tree_add_item_ret_uint(btle_tree, hf_length, tvb, offset, 1, ENC_LITTLE_ENDIAN, &length);
proto_item_set_hidden(item);
offset += 1;
switch (pdu_type) {
case 0x00: /* ADV_IND */
case 0x02: /* ADV_NONCONN_IND */
case 0x06: /* ADV_SCAN_IND */
offset = dissect_bd_addr(hf_advertising_address, pinfo, btle_tree, tvb, offset, TRUE, interface_id, adapter_id, src_bd_addr);
set_address(&pinfo->net_src, AT_ETHER, 6, src_bd_addr);
copy_address_shallow(&pinfo->dl_src, &pinfo->net_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
set_address(&pinfo->net_dst, AT_ETHER, 6, broadcast_addr);
copy_address_shallow(&pinfo->dl_dst, &pinfo->net_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
if (!pinfo->fd->visited) {
address *addr;
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_src, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_src.data, pinfo->dl_src.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_SRC, addr);
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_dst, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_dst.data, pinfo->dl_dst.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_DST, addr);
}
if (tvb_reported_length_remaining(tvb, offset) > 3) {
next_tvb = tvb_new_subset_length(tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
dissect_ad_eir(next_tvb, interface_id, adapter_id, frame_number, src_bd_addr, pinfo, btle_tree);
}
offset += tvb_reported_length_remaining(tvb, offset) - 3;
break;
case 0x01: /* ADV_DIRECT_IND */
offset = dissect_bd_addr(hf_advertising_address, pinfo, btle_tree, tvb, offset, TRUE, interface_id, adapter_id, src_bd_addr);
offset = dissect_bd_addr(hf_target_addresss, pinfo, btle_tree, tvb, offset, FALSE, interface_id, adapter_id, dst_bd_addr);
set_address(&pinfo->net_src, AT_ETHER, 6, src_bd_addr);
copy_address_shallow(&pinfo->dl_src, &pinfo->net_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
set_address(&pinfo->net_dst, AT_ETHER, 6, dst_bd_addr);
copy_address_shallow(&pinfo->dl_dst, &pinfo->net_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
if (!pinfo->fd->visited) {
address *addr;
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_src, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_src.data, pinfo->dl_src.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_SRC, addr);
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_dst, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_dst.data, pinfo->dl_dst.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_DST, addr);
}
break;
case 0x03: /* SCAN_REQ */
offset = dissect_bd_addr(hf_scanning_address, pinfo, btle_tree, tvb, offset, TRUE, interface_id, adapter_id, src_bd_addr);
offset = dissect_bd_addr(hf_advertising_address, pinfo, btle_tree, tvb, offset, FALSE, interface_id, adapter_id, dst_bd_addr);
set_address(&pinfo->net_src, AT_ETHER, 6, src_bd_addr);
copy_address_shallow(&pinfo->dl_src, &pinfo->net_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
set_address(&pinfo->net_dst, AT_ETHER, 6, dst_bd_addr);
copy_address_shallow(&pinfo->dl_dst, &pinfo->net_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
if (!pinfo->fd->visited) {
address *addr;
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_src, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_src.data, pinfo->dl_src.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_SRC, addr);
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_dst, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_dst.data, pinfo->dl_dst.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_DST, addr);
}
break;
case 0x04: /* SCAN_RSP */
offset = dissect_bd_addr(hf_advertising_address, pinfo, btle_tree, tvb, offset, TRUE, interface_id, adapter_id, src_bd_addr);
set_address(&pinfo->net_src, AT_ETHER, 6, src_bd_addr);
copy_address_shallow(&pinfo->dl_src, &pinfo->net_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
set_address(&pinfo->net_dst, AT_ETHER, 6, broadcast_addr);
copy_address_shallow(&pinfo->dl_dst, &pinfo->net_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
if (!pinfo->fd->visited) {
address *addr;
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_src, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_src.data, pinfo->dl_src.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_SRC, addr);
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_dst, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_dst.data, pinfo->dl_dst.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_DST, addr);
}
sub_item = proto_tree_add_item(btle_tree, hf_scan_response_data, tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_scan_response_data);
if (tvb_reported_length_remaining(tvb, offset) > 3) {
next_tvb = tvb_new_subset_length(tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
dissect_ad_eir(next_tvb, interface_id, adapter_id, frame_number, src_bd_addr, pinfo, sub_tree);
}
offset += tvb_reported_length_remaining(tvb, offset) - 3;
break;
case 0x05: /* CONNECT_IND */
offset = dissect_bd_addr(hf_initiator_addresss, pinfo, btle_tree, tvb, offset, FALSE, interface_id, adapter_id, src_bd_addr);
offset = dissect_bd_addr(hf_advertising_address, pinfo, btle_tree, tvb, offset, TRUE, interface_id, adapter_id, dst_bd_addr);
set_address(&pinfo->net_src, AT_ETHER, 6, src_bd_addr);
copy_address_shallow(&pinfo->dl_src, &pinfo->net_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
set_address(&pinfo->net_dst, AT_ETHER, 6, dst_bd_addr);
copy_address_shallow(&pinfo->dl_dst, &pinfo->net_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
if (!pinfo->fd->visited) {
address *addr;
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_src, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_src.data, pinfo->dl_src.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_SRC, addr);
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_dst, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_dst.data, pinfo->dl_dst.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_DST, addr);
}
link_layer_data_item = proto_tree_add_item(btle_tree, hf_link_layer_data, tvb, offset, 22, ENC_NA);
link_layer_data_tree = proto_item_add_subtree(link_layer_data_item, ett_link_layer_data);
proto_tree_add_item(link_layer_data_tree, hf_link_layer_data_access_address, tvb, offset, 4, ENC_LITTLE_ENDIAN);
connection_access_address = tvb_get_letohl(tvb, offset);
offset += 4;
proto_tree_add_item(link_layer_data_tree, hf_link_layer_data_crc_init, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
item = proto_tree_add_item_ret_uint(link_layer_data_tree, hf_link_layer_data_window_size, tvb, offset, 1, ENC_LITTLE_ENDIAN, &item_value);
proto_item_append_text(item, " (%g msec)", item_value*1.25);
offset += 1;
item = proto_tree_add_item_ret_uint(link_layer_data_tree, hf_link_layer_data_window_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
proto_item_append_text(item, " (%g msec)", item_value*1.25);
offset += 2;
item = proto_tree_add_item_ret_uint(link_layer_data_tree, hf_link_layer_data_interval, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
proto_item_append_text(item, " (%g msec)", item_value*1.25);
offset += 2;
proto_tree_add_item(link_layer_data_tree, hf_link_layer_data_latency, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
item = proto_tree_add_item_ret_uint(link_layer_data_tree, hf_link_layer_data_timeout, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
proto_item_append_text(item, " (%u msec)", item_value*10);
offset += 2;
sub_item = proto_tree_add_item(link_layer_data_tree, hf_link_layer_data_channel_map, tvb, offset, 5, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_channel_map);
call_dissector(btcommon_le_channel_map_handle, tvb_new_subset_length(tvb, offset, 5), pinfo, sub_tree);
offset += 5;
proto_tree_add_item(link_layer_data_tree, hf_link_layer_data_hop, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(link_layer_data_tree, hf_link_layer_data_sleep_clock_accuracy, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
if (!pinfo->fd->visited) {
connection_parameter_info_t *connection_parameter_info;
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &connection_access_address;
key[3].length = 1;
key[3].key = &frame_number;
key[4].length = 0;
key[4].key = NULL;
connection_info = wmem_new0(wmem_file_scope(), connection_info_t);
connection_info->interface_id = interface_id;
connection_info->adapter_id = adapter_id;
connection_info->access_address = connection_access_address;
memcpy(connection_info->master_bd_addr, src_bd_addr, 6);
memcpy(connection_info->slave_bd_addr, dst_bd_addr, 6);
/* We don't create control procedure context trees for BTLE_DIR_UNKNOWN,
* as the direction must be known for request/response matching. */
connection_info->direction_info[BTLE_DIR_MASTER_SLAVE].control_procs =
wmem_tree_new(wmem_file_scope());
connection_info->direction_info[BTLE_DIR_SLAVE_MASTER].control_procs =
wmem_tree_new(wmem_file_scope());
wmem_tree_insert32_array(connection_info_tree, key, connection_info);
connection_parameter_info = wmem_new0(wmem_file_scope(), connection_parameter_info_t);
connection_parameter_info->parameters_frame = pinfo->num;
key[3].length = 1;
key[3].key = &pinfo->num;
wmem_tree_insert32_array(connection_parameter_info_tree, key, connection_parameter_info);
}
break;
case 0x07: /* ADV_EXT_IND / AUX_ADV_IND / AUX_SYNC_IND / AUX_CHAIN_IND / AUX_SCAN_RSP */
case 0x08: /* AUX_CONNNECT_RSP */
{
guint8 tmp, ext_header_len, flags, acad_len;
proto_item *ext_header_item, *ext_flags_item;
proto_tree *ext_header_tree, *ext_flags_tree;
guint32 adi;
gboolean adi_present = FALSE;
gboolean aux_pointer_present = FALSE;
tmp = tvb_get_guint8(tvb, offset);
ext_header_len = acad_len = tmp & 0x3F;
ext_header_item = proto_tree_add_item(btle_tree, hf_extended_advertising_header, tvb, offset, ext_header_len + 1, ENC_NA);
ext_header_tree = proto_item_add_subtree(ext_header_item, ett_extended_advertising_header);
proto_tree_add_item(ext_header_tree, hf_extended_advertising_header_length, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ext_header_tree, hf_extended_advertising_mode, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
if (ext_header_len > 0) {
ext_flags_item = proto_tree_add_item(ext_header_tree, hf_extended_advertising_flags, tvb, offset, 1, ENC_NA);
ext_flags_tree = proto_item_add_subtree(ext_flags_item, ett_extended_advertising_flags);
proto_tree_add_bitmask_list(ext_flags_tree, tvb, offset, 1, hfx_extended_advertising_flags, ENC_NA);
flags = tvb_get_guint8(tvb, offset);
offset += 1;
acad_len -= 1;
} else {
flags = 0;
}
if (flags & 0x01) {
/* Advertiser Address */
offset = dissect_bd_addr(hf_advertising_address, pinfo, ext_header_tree, tvb, offset, TRUE, interface_id, adapter_id, src_bd_addr);
set_address(&pinfo->net_src, AT_ETHER, 6, src_bd_addr);
copy_address_shallow(&pinfo->dl_src, &pinfo->net_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
acad_len -= 6;
} else if (!connection_info) {
const char * anon_str = "Anonymous";
clear_address(&pinfo->dl_src);
set_address(&pinfo->net_src, AT_STRINGZ, sizeof(*anon_str), anon_str);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
}
if (flags & 0x02) {
/* Target Address */
offset = dissect_bd_addr(hf_target_addresss, pinfo, ext_header_tree, tvb, offset, FALSE, interface_id, adapter_id, dst_bd_addr);
set_address(&pinfo->net_dst, AT_ETHER, 6, dst_bd_addr);
copy_address_shallow(&pinfo->dl_dst, &pinfo->net_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
acad_len -= 6;
} else {
set_address(&pinfo->net_dst, AT_ETHER, 6, broadcast_addr);
copy_address_shallow(&pinfo->dl_dst, &pinfo->net_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
}
if (flags & 0x04) {
guint32 cte_time;
/* CTE Info */
sub_item = proto_tree_add_item(ext_header_tree, hf_extended_advertising_cte_info, tvb, offset, 1, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_extended_advertising_cte_info);
item = proto_tree_add_item_ret_uint(sub_tree, hf_extended_advertising_cte_info_time, tvb, offset, 1, ENC_LITTLE_ENDIAN, &cte_time);
proto_item_append_text(item, " (%u usec)", cte_time * 8);
proto_tree_add_item(sub_tree, hf_extended_advertising_cte_info_rfu, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sub_tree, hf_extended_advertising_cte_info_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
acad_len -= 1;
}
if (flags & 0x08) {
/* AdvDataInfo */
sub_item = proto_tree_add_item_ret_uint(ext_header_tree, hf_extended_advertising_data_info, tvb, offset, 2, ENC_LITTLE_ENDIAN, &adi);
sub_tree = proto_item_add_subtree(sub_item, ett_extended_advertising_data_info);
proto_tree_add_item(sub_tree, hf_extended_advertising_data_info_did, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sub_tree, hf_extended_advertising_data_info_sid, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
adi_present = TRUE;
acad_len -= 2;
}
if (flags & 0x10) {
guint32 aux_offset;
/* Aux Pointer */
sub_item = proto_tree_add_item(ext_header_tree, hf_extended_advertising_aux_ptr, tvb, offset, 3, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_extended_advertising_aux_pointer);
proto_tree_add_item(sub_tree, hf_extended_advertising_aux_ptr_channel, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sub_tree, hf_extended_advertising_aux_ptr_ca, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sub_tree, hf_extended_advertising_aux_ptr_offset_units, tvb, offset, 1, ENC_LITTLE_ENDIAN);
tmp = tvb_get_guint8(tvb, offset);
offset += 1;
item = proto_tree_add_item_ret_uint(sub_tree, hf_extended_advertising_aux_ptr_aux_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN, &aux_offset);
proto_tree_add_item(sub_tree, hf_extended_advertising_aux_ptr_aux_phy, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_item_append_text(item, " (%u usec)", aux_offset * ((tmp & 0x80) != 0 ? 300 : 30));
offset += 2;
aux_pointer_present = TRUE;
acad_len -= 3;
}
if (flags & 0x20) {
guint32 sync_offset, interval;
proto_item *sync_info_item;
proto_tree *sync_info_tree;
gint reserved_offset;
guint16 sf;
/* Sync Info */
sync_info_item = proto_tree_add_item(ext_header_tree, hf_extended_advertising_sync_info, tvb, offset, 18, ENC_NA);
sync_info_tree = proto_item_add_subtree(sync_info_item, ett_extended_advertising_sync_info);
if (!pinfo->fd->visited) {
connection_parameter_info_t *connection_parameter_info;
connection_access_address = tvb_get_guint32(tvb, offset + 9, ENC_LITTLE_ENDIAN);
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &connection_access_address;
key[3].length = 1;
key[3].key = &frame_number;
key[4].length = 0;
key[4].key = NULL;
connection_info = wmem_new0(wmem_file_scope(), connection_info_t);
connection_info->interface_id = interface_id;
connection_info->adapter_id = adapter_id;
connection_info->access_address = connection_access_address;
if (flags & 0x01)
memcpy(connection_info->master_bd_addr, src_bd_addr, 6);
/* We don't create control procedure context trees for BTLE_DIR_UNKNOWN,
* as the direction must be known for request/response matching. */
connection_info->direction_info[BTLE_DIR_MASTER_SLAVE].control_procs =
wmem_tree_new(wmem_file_scope());
connection_info->direction_info[BTLE_DIR_SLAVE_MASTER].control_procs =
wmem_tree_new(wmem_file_scope());
wmem_tree_insert32_array(connection_info_tree, key, connection_info);
connection_parameter_info = wmem_new0(wmem_file_scope(), connection_parameter_info_t);
connection_parameter_info->parameters_frame = pinfo->num;
key[3].length = 1;
key[3].key = &pinfo->num;
wmem_tree_insert32_array(connection_parameter_info_tree, key, connection_parameter_info);
}
sf = tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN);
item = proto_tree_add_item_ret_uint(sync_info_tree, hf_extended_advertising_sync_info_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN, &sync_offset);
proto_tree_add_item(sync_info_tree, hf_extended_advertising_sync_info_offset_units, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sync_info_tree, hf_extended_advertising_sync_info_offset_adjust, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sync_info_tree, hf_extended_advertising_sync_info_reserved, tvb, offset, 2, ENC_LITTLE_ENDIAN);
if (sync_offset > 0) {
proto_item_append_text(item, " (%u usec)", sync_offset * ((sf & 0x2000) != 0 ? 300 : 30) + ((sf & 0x4000) != 0 ? 2457600 : 0));
} else {
proto_item_append_text(item, " Cannot be represented");
}
offset += 2;
item = proto_tree_add_item_ret_uint(sync_info_tree, hf_extended_advertising_sync_info_interval, tvb, offset, 2, ENC_LITTLE_ENDIAN, &interval);
proto_item_append_text(item, " (%g msec)", interval * 1.25);
offset += 2;
sub_item = proto_tree_add_item(sync_info_tree, hf_extended_advertising_sync_info_channel_map, tvb, offset, 5, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_channel_map);
call_dissector_with_data(btcommon_le_channel_map_handle, tvb_new_subset_length(tvb, offset, 5), pinfo, sub_tree, &reserved_offset);
proto_tree_add_item(sync_info_tree, hf_extended_advertising_sync_info_sleep_clock_accuracy, tvb, reserved_offset, 1, ENC_LITTLE_ENDIAN);
offset += 5;
proto_tree_add_item(sync_info_tree, hf_extended_advertising_sync_info_access_address, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(sync_info_tree, hf_extended_advertising_sync_info_crc_init, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(sync_info_tree, hf_extended_advertising_sync_info_event_counter, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
acad_len -= 18;
}
if (flags & 0x40) {
/* Tx Power */
proto_tree_add_item(ext_header_tree, hf_extended_advertising_tx_power, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
acad_len -= 1;
}
if (acad_len > 0) {
sub_item = proto_tree_add_item(ext_header_tree, hf_extended_advertising_header_acad, tvb, offset, acad_len, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_extended_advertising_acad);
/* Additional Controller Advertising Data */
next_tvb = tvb_new_subset_length(tvb, offset, acad_len);
dissect_ad_eir(next_tvb, interface_id, adapter_id, frame_number, src_bd_addr, pinfo, sub_tree);
offset += acad_len;
}
if (tvb_reported_length_remaining(tvb, offset) > 3) {
gboolean ad_processed = FALSE;
if (btle_context && pdu_type == 0x07 && btle_context->aux_pdu_type_valid) {
gboolean ad_reassembled = FALSE;
ae_had_info_t *ae_had_info = NULL;
switch (btle_context->aux_pdu_type) {
case 0x00: /* AUX_ADV_IND */
case 0x02: /* AUX_SYNC_IND */
case 0x03: /* AUX_SCAN_RSP */
if (aux_pointer_present) {
/* Begining of new sequence of fragments */
if (!pinfo->fd->visited && adi_present) {
ae_had_info = wmem_new0(wmem_file_scope(), ae_had_info_t);
ae_had_info->first_frame_num=pinfo->num;
ae_had_key[0].length = 1;
ae_had_key[0].key = &interface_id;
ae_had_key[1].length = 1;
ae_had_key[1].key = &adapter_id;
ae_had_key[2].length = 1;
ae_had_key[2].key = &adi;
ae_had_key[3].length = 0;
ae_had_key[3].key = NULL;
wmem_tree_insert32_array(adi_to_first_frame_tree, ae_had_key, ae_had_info);
fragment_add_seq(&btle_ea_host_advertising_data_reassembly_table,
tvb, offset, pinfo,
ae_had_info->first_frame_num, NULL,
ae_had_info->fragment_counter,
tvb_captured_length_remaining(tvb, offset) - 3,
!ad_reassembled, 0);
ae_had_info->fragment_counter++;
}
ad_processed = TRUE;
}
break;
case 0x01: /* AUX_CHAIN_IND */
if (!aux_pointer_present) {
/* Final fragment */
ad_reassembled = TRUE;
}
if (!pinfo->fd->visited && adi_present) {
ae_had_key[0].length = 1;
ae_had_key[0].key = &interface_id;
ae_had_key[1].length = 1;
ae_had_key[1].key = &adapter_id;
ae_had_key[2].length = 1;
ae_had_key[2].key = &adi;
ae_had_key[3].length = 0;
ae_had_key[3].key = NULL;
ae_had_info = (ae_had_info_t *) wmem_tree_lookup32_array(adi_to_first_frame_tree, ae_had_key);
if (ae_had_info != NULL) {
fragment_add_seq(&btle_ea_host_advertising_data_reassembly_table,
tvb, offset, pinfo,
ae_had_info->first_frame_num, NULL,
ae_had_info->fragment_counter,
tvb_captured_length_remaining(tvb, offset) - 3,
!ad_reassembled, 0);
ae_had_info->fragment_counter++;
if (ad_reassembled == TRUE) {
p_add_proto_data(wmem_file_scope(), pinfo, proto_btle, (guint32)(pinfo->curr_layer_num) << 8, ae_had_info);
}
}
}
ad_processed = TRUE;
break;
default:
/* This field is 2 bits long, no special action needed */
break;
}
if (ad_processed) {
if (pinfo->fd->visited) {
/* Host Advertising Data fragment */
proto_tree_add_item(btle_tree, hf_extended_advertising_had_fragment, tvb, offset, tvb_captured_length_remaining(tvb, offset) - 3, ENC_NA);
if (ad_reassembled) {
fragment_head *fd_head = NULL;
tvbuff_t *assembled_tvb = NULL;
ae_had_info = (ae_had_info_t *)p_get_proto_data(wmem_file_scope(), pinfo, proto_btle, (guint32)(pinfo->curr_layer_num) << 8);
if (ae_had_info != NULL) {
col_append_str(pinfo->cinfo, COL_INFO, " (EA HAD Reassembled)");
fd_head = fragment_get(&btle_ea_host_advertising_data_reassembly_table, pinfo, ae_had_info->first_frame_num, NULL);
assembled_tvb = process_reassembled_data(
tvb, offset, pinfo,
"Reassembled Host Advertising Data", fd_head,
&btle_ea_host_advertising_data_frag_items,
NULL, btle_tree);
dissect_ad_eir(assembled_tvb, interface_id, adapter_id, frame_number, src_bd_addr, pinfo, btle_tree);
}
}
else {
col_append_str(pinfo->cinfo, COL_INFO, " (EA HAD Fragment)");
}
offset += tvb_captured_length_remaining(tvb, offset) - 3;
}
}
}
if (tvb_reported_length_remaining(tvb, offset) > 3) {
/* Host Advertising Data */
next_tvb = tvb_new_subset_length(tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
if (btle_context && btle_context->aux_pdu_type_valid && btle_context->aux_pdu_type == 3) {
/* AUX_SCAN_RSP */
sub_item = proto_tree_add_item(btle_tree, hf_scan_response_data, tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_scan_response_data);
dissect_ad_eir(next_tvb, interface_id, adapter_id, frame_number, src_bd_addr, pinfo, sub_tree);
}
else {
dissect_ad_eir(next_tvb, interface_id, adapter_id, frame_number, src_bd_addr, pinfo, btle_tree);
}
offset += tvb_reported_length_remaining(tvb, offset) - 3;
}
}
break;
}
default:
if (tvb_reported_length_remaining(tvb, offset) > 3) {
proto_tree_add_expert(btle_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
offset += tvb_reported_length_remaining(tvb, offset) - 3;
}
}
} else if (btle_pdu_type == BTLE_PDU_TYPE_DATA || btle_pdu_type == BTLE_PDU_TYPE_CONNECTEDISO) {
proto_item *data_header_item, *seq_item, *control_proc_item;
proto_tree *data_header_tree;
guint8 oct;
guint8 llid;
guint8 control_opcode;
guint32 direction = BTLE_DIR_UNKNOWN;
guint8 other_direction = BTLE_DIR_UNKNOWN;
gboolean add_l2cap_index = FALSE;
gboolean retransmit = FALSE;
/* Holds the last initiated control procedures for a given direction. */
control_proc_info_t *last_control_proc[3] = {0};
if (btle_context) {
direction = btle_context->direction;
other_direction = (direction == BTLE_DIR_SLAVE_MASTER) ? BTLE_DIR_MASTER_SLAVE : BTLE_DIR_SLAVE_MASTER;
}
btle_frame_info_t *btle_frame_info = NULL;
fragment_head *frag_btl2cap_msg = NULL;
btle_frame_info_t empty_btle_frame_info = {0, 0, 0, 0, 0};
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &access_address;
key[3].length = 0;
key[3].key = NULL;
oct = tvb_get_guint8(tvb, offset);
wmem_tree = (wmem_tree_t *) wmem_tree_lookup32_array(connection_info_tree, key);
if (wmem_tree) {
connection_info = (connection_info_t *) wmem_tree_lookup32_le(wmem_tree, pinfo->num);
if (connection_info) {
gchar *str_addr_src, *str_addr_dst;
/* Holds "unknown" + access_address + NULL, which is the longest string */
int str_addr_len = 18 + 1;
str_addr_src = (gchar *) wmem_alloc(pinfo->pool, str_addr_len);
str_addr_dst = (gchar *) wmem_alloc(pinfo->pool, str_addr_len);
sub_item = proto_tree_add_ether(btle_tree, hf_master_bd_addr, tvb, 0, 0, connection_info->master_bd_addr);
proto_item_set_generated(sub_item);
sub_item = proto_tree_add_ether(btle_tree, hf_slave_bd_addr, tvb, 0, 0, connection_info->slave_bd_addr);
proto_item_set_generated(sub_item);
switch (direction) {
case BTLE_DIR_MASTER_SLAVE:
g_snprintf(str_addr_src, str_addr_len, "Master_0x%08x", connection_info->access_address);
g_snprintf(str_addr_dst, str_addr_len, "Slave_0x%08x", connection_info->access_address);
set_address(&pinfo->dl_src, AT_ETHER, sizeof(connection_info->master_bd_addr), connection_info->master_bd_addr);
set_address(&pinfo->dl_dst, AT_ETHER, sizeof(connection_info->slave_bd_addr), connection_info->slave_bd_addr);
break;
case BTLE_DIR_SLAVE_MASTER:
g_snprintf(str_addr_src, str_addr_len, "Slave_0x%08x", connection_info->access_address);
g_snprintf(str_addr_dst, str_addr_len, "Master_0x%08x", connection_info->access_address);
set_address(&pinfo->dl_src, AT_ETHER, sizeof(connection_info->slave_bd_addr), connection_info->slave_bd_addr);
set_address(&pinfo->dl_dst, AT_ETHER, sizeof(connection_info->master_bd_addr), connection_info->master_bd_addr);
break;
default:
/* BTLE_DIR_UNKNOWN */
g_snprintf(str_addr_src, str_addr_len, "Unknown_0x%08x", connection_info->access_address);
g_snprintf(str_addr_dst, str_addr_len, "Unknown_0x%08x", connection_info->access_address);
clear_address(&pinfo->dl_src);
clear_address(&pinfo->dl_dst);
break;
}
set_address(&pinfo->net_src, AT_STRINGZ, (int)strlen(str_addr_src)+1, str_addr_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
set_address(&pinfo->net_dst, AT_STRINGZ, (int)strlen(str_addr_dst)+1, str_addr_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
/* Retrieve the last initiated control procedures. */
if (btle_pdu_type == BTLE_PDU_TYPE_DATA) {
last_control_proc[BTLE_DIR_MASTER_SLAVE] =
(control_proc_info_t *)wmem_tree_lookup32_le(connection_info->direction_info[BTLE_DIR_MASTER_SLAVE].control_procs, pinfo->num);
last_control_proc[BTLE_DIR_SLAVE_MASTER] =
(control_proc_info_t *)wmem_tree_lookup32_le(connection_info->direction_info[BTLE_DIR_SLAVE_MASTER].control_procs, pinfo->num);
if (!pinfo->fd->visited && btle_context && btle_context->event_counter_valid) {
control_proc_complete_if_instant_reached(pinfo->num,
btle_context->event_counter,
last_control_proc[BTLE_DIR_MASTER_SLAVE]);
control_proc_complete_if_instant_reached(pinfo->num,
btle_context->event_counter,
last_control_proc[BTLE_DIR_SLAVE_MASTER]);
}
}
if (!pinfo->fd->visited) {
address *addr;
btle_frame_info = wmem_new0(wmem_file_scope(), btle_frame_info_t);
btle_frame_info->l2cap_index = connection_info->direction_info[direction].l2cap_index;
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_src, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_src.data, pinfo->dl_src.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_SRC, addr);
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_dst, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_dst.data, pinfo->dl_dst.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_DST, addr);
if (!connection_info->first_data_frame_seen) {
connection_info->first_data_frame_seen = 1;
btle_frame_info->retransmit = 0;
btle_frame_info->ack = 1;
connection_info->direction_info[BTLE_DIR_MASTER_SLAVE].prev_seq_num = 0;
connection_info->direction_info[BTLE_DIR_SLAVE_MASTER].prev_seq_num = 1;
}
else {
guint8 seq_num = !!(oct & 0x8), next_expected_seq_num = !!(oct & 0x4);
if (seq_num != connection_info->direction_info[direction].prev_seq_num) {
/* SN is not equal to previous packet (in same direction) SN */
btle_frame_info->retransmit = 0;
} else {
btle_frame_info->retransmit = 1;
}
connection_info->direction_info[direction].prev_seq_num = seq_num;
if (next_expected_seq_num != connection_info->direction_info[other_direction].prev_seq_num) {
/* NESN is not equal to previous packet (in other direction) SN */
btle_frame_info->ack = 1;
} else {
btle_frame_info->ack = 0;
}
}
p_add_proto_data(wmem_file_scope(), pinfo, proto_btle, pinfo->curr_layer_num, btle_frame_info);
}
else {
/* Not the first pass */
btle_frame_info = (btle_frame_info_t *)p_get_proto_data(wmem_file_scope(), pinfo, proto_btle, pinfo->curr_layer_num);
}
}
}
if (btle_frame_info == NULL) {
btle_frame_info = &empty_btle_frame_info;
}
data_header_item = proto_tree_add_item(btle_tree, hf_data_header, tvb, offset, 2, ENC_LITTLE_ENDIAN);
data_header_tree = proto_item_add_subtree(data_header_item, ett_data_header);
proto_tree_add_item(data_header_tree, (btle_pdu_type == BTLE_PDU_TYPE_CONNECTEDISO) ? hf_data_header_llid_connectediso :hf_data_header_llid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
seq_item = proto_tree_add_item(data_header_tree, hf_data_header_next_expected_sequence_number, tvb, offset, 1, ENC_LITTLE_ENDIAN);
if (direction != BTLE_DIR_UNKNOWN) {
/* Unable to check valid NESN without direction */
if (btle_frame_info->ack == 1) {
proto_item_append_text(seq_item, " [ACK]");
} else {
proto_item_append_text(seq_item, " [Request retransmit]");
expert_add_info(pinfo, seq_item, &ei_nack);
}
}
seq_item = proto_tree_add_item(data_header_tree, hf_data_header_sequence_number, tvb, offset, 1, ENC_LITTLE_ENDIAN);
if (direction != BTLE_DIR_UNKNOWN) {
/* Unable to check valid SN or retransmission without direction */
if (btle_frame_info->retransmit == 0) {
proto_item_append_text(seq_item, " [OK]");
}
else {
proto_item_append_text(seq_item, " [Retransmit]");
if (btle_detect_retransmit) {
expert_add_info(pinfo, seq_item, &ei_retransmit);
retransmit = TRUE;
}
}
}
llid = tvb_get_guint8(tvb, offset) & 0x03;
if (btle_pdu_type == BTLE_PDU_TYPE_CONNECTEDISO) {
proto_tree_add_item(data_header_tree, hf_data_header_close_isochronous_event, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(data_header_tree, hf_data_header_null_pdu_indicator, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(data_header_tree, hf_data_header_rfu_57, tvb, offset, 1, ENC_LITTLE_ENDIAN);
llid |= 0x04;
} else {
proto_tree_add_item(data_header_tree, hf_data_header_more_data, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(data_header_tree, hf_data_header_rfu, tvb, offset, 1, ENC_LITTLE_ENDIAN);
}
offset += 1;
proto_tree_add_item(data_header_tree, hf_data_header_length, tvb, offset, 1, ENC_LITTLE_ENDIAN);
item = proto_tree_add_item_ret_uint(btle_tree, hf_length, tvb, offset, 1, ENC_LITTLE_ENDIAN, &length);
proto_item_set_hidden(item);
offset += 1;
switch (llid) {
case 0x01: /* Continuation fragment of an L2CAP message, or an Empty PDU */
if (length > 0) {
tvbuff_t *new_tvb = NULL;
pinfo->fragmented = TRUE;
if (connection_info && !retransmit) {
if (!pinfo->fd->visited) {
if (connection_info->direction_info[direction].segmentation_started == 1) {
if (connection_info->direction_info[direction].segment_len_rem >= length) {
connection_info->direction_info[direction].segment_len_rem = connection_info->direction_info[direction].segment_len_rem - length;
} else {
/*
* Missing fragment for previous L2CAP and fragment start for this.
* Set more_fragments and increase l2cap_index to avoid reassembly.
*/
btle_frame_info->more_fragments = 1;
btle_frame_info->missing_start = 1;
btle_frame_info->l2cap_index = l2cap_index;
connection_info->direction_info[direction].l2cap_index = l2cap_index;
connection_info->direction_info[direction].segmentation_started = 0;
l2cap_index++;
}
if (connection_info->direction_info[direction].segment_len_rem > 0) {
btle_frame_info->more_fragments = 1;
}
else {
btle_frame_info->more_fragments = 0;
connection_info->direction_info[direction].segmentation_started = 0;
connection_info->direction_info[direction].segment_len_rem = 0;
}
} else {
/*
* Missing fragment start.
* Set more_fragments and increase l2cap_index to avoid reassembly.
*/
btle_frame_info->more_fragments = 1;
btle_frame_info->missing_start = 1;
btle_frame_info->l2cap_index = l2cap_index;
connection_info->direction_info[direction].l2cap_index = l2cap_index;
connection_info->direction_info[direction].segmentation_started = 0;
l2cap_index++;
}
}
add_l2cap_index = TRUE;
frag_btl2cap_msg = fragment_add_seq_next(&btle_l2cap_msg_reassembly_table,
tvb, offset,
pinfo,
btle_frame_info->l2cap_index, /* guint32 ID for fragments belonging together */
NULL, /* data* */
length, /* Fragment length */
btle_frame_info->more_fragments); /* More fragments */
new_tvb = process_reassembled_data(tvb, offset, pinfo,
"Reassembled L2CAP",
frag_btl2cap_msg,
&btle_l2cap_msg_frag_items,
NULL,
btle_tree);
}
if (new_tvb) {
bthci_acl_data_t *acl_data;
col_set_str(pinfo->cinfo, COL_INFO, "L2CAP Data");
acl_data = wmem_new(wmem_packet_scope(), bthci_acl_data_t);
acl_data->interface_id = interface_id;
acl_data->adapter_id = adapter_id;
acl_data->chandle = 0; /* No connection handle at this layer */
acl_data->remote_bd_addr_oui = 0;
acl_data->remote_bd_addr_id = 0;
acl_data->is_btle = TRUE;
acl_data->is_btle_retransmit = retransmit;
acl_data->adapter_disconnect_in_frame = &max_disconnect_in_frame;
acl_data->disconnect_in_frame = &max_disconnect_in_frame;
next_tvb = tvb_new_subset_length(tvb, offset, length);
if (next_tvb) {
call_dissector_with_data(btl2cap_handle, new_tvb, pinfo, tree, acl_data);
}
offset += length;
}
else {
col_set_str(pinfo->cinfo, COL_INFO, "L2CAP Fragment");
item = proto_tree_add_item(btle_tree, hf_l2cap_fragment, tvb, offset, length, ENC_NA);
if (btle_frame_info->missing_start) {
expert_add_info(pinfo, item, &ei_missing_fragment_start);
}
offset += length;
}
} else {
col_set_str(pinfo->cinfo, COL_INFO, "Empty PDU");
}
break;
case 0x02: /* Start of an L2CAP message or a complete L2CAP message with no fragmentation */
if (length > 0) {
guint l2cap_len = tvb_get_letohs(tvb, offset);
if (l2cap_len + 4 > length) { /* L2CAP PDU Length excludes the 4 octets header */
pinfo->fragmented = TRUE;
if (connection_info && !retransmit) {
if (!pinfo->fd->visited) {
connection_info->direction_info[direction].segmentation_started = 1;
/* The first two octets in the L2CAP PDU contain the length of the entire
* L2CAP PDU in octets, excluding the Length and CID fields(4 octets).
*/
connection_info->direction_info[direction].segment_len_rem = l2cap_len + 4 - length;
connection_info->direction_info[direction].l2cap_index = l2cap_index;
btle_frame_info->more_fragments = 1;
btle_frame_info->l2cap_index = l2cap_index;
l2cap_index++;
}
add_l2cap_index = TRUE;
frag_btl2cap_msg = fragment_add_seq_next(&btle_l2cap_msg_reassembly_table,
tvb, offset,
pinfo,
btle_frame_info->l2cap_index, /* guint32 ID for fragments belonging together */
NULL, /* data* */
length, /* Fragment length */
btle_frame_info->more_fragments); /* More fragments */
process_reassembled_data(tvb, offset, pinfo,
"Reassembled L2CAP",
frag_btl2cap_msg,
&btle_l2cap_msg_frag_items,
NULL,
btle_tree);
}
col_set_str(pinfo->cinfo, COL_INFO, "L2CAP Fragment Start");
proto_tree_add_item(btle_tree, hf_l2cap_fragment, tvb, offset, length, ENC_NA);
offset += length;
} else {
bthci_acl_data_t *acl_data;
if (connection_info) {
/* Add a L2CAP index for completeness */
if (!pinfo->fd->visited) {
btle_frame_info->l2cap_index = l2cap_index;
l2cap_index++;
}
add_l2cap_index = TRUE;
}
col_set_str(pinfo->cinfo, COL_INFO, "L2CAP Data");
acl_data = wmem_new(wmem_packet_scope(), bthci_acl_data_t);
acl_data->interface_id = interface_id;
acl_data->adapter_id = adapter_id;
acl_data->chandle = 0; /* No connection handle at this layer */
acl_data->remote_bd_addr_oui = 0;
acl_data->remote_bd_addr_id = 0;
acl_data->is_btle = TRUE;
acl_data->is_btle_retransmit = retransmit;
acl_data->adapter_disconnect_in_frame = &max_disconnect_in_frame;
acl_data->disconnect_in_frame = &max_disconnect_in_frame;
next_tvb = tvb_new_subset_length(tvb, offset, length);
call_dissector_with_data(btl2cap_handle, next_tvb, pinfo, tree, acl_data);
offset += length;
}
}
break;
case 0x03: /* Control PDU */
control_proc_item = proto_tree_add_item(btle_tree, hf_control_opcode, tvb, offset, 1, ENC_LITTLE_ENDIAN);
control_opcode = tvb_get_guint8(tvb, offset);
offset += 1;
col_add_fstr(pinfo->cinfo, COL_INFO, "Control Opcode: %s",
val_to_str_ext_const(control_opcode, &control_opcode_vals_ext, "Unknown"));
switch (control_opcode) {
case 0x00: /* LL_CONNECTION_UPDATE_IND */
item = proto_tree_add_item_ret_uint(btle_tree, hf_control_window_size, tvb, offset, 1, ENC_LITTLE_ENDIAN, &item_value);
proto_item_append_text(item, " (%g msec)", item_value*1.25);
offset += 1;
item = proto_tree_add_item_ret_uint(btle_tree, hf_control_window_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
proto_item_append_text(item, " (%g msec)", item_value*1.25);
offset += 2;
item = proto_tree_add_item_ret_uint(btle_tree, hf_control_interval, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
proto_item_append_text(item, " (%g msec)", item_value*1.25);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_latency, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
item = proto_tree_add_item_ret_uint(btle_tree, hf_control_timeout, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
proto_item_append_text(item, " (%u msec)", item_value*10);
offset += 2;
proto_tree_add_item_ret_uint(btle_tree, hf_control_instant, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
offset += 2;
if (!pinfo->fd->visited) {
if (connection_info) {
connection_parameter_info_t *connection_parameter_info;
connection_parameter_info = wmem_new0(wmem_file_scope(), connection_parameter_info_t);
connection_parameter_info->parameters_frame = pinfo->num;
if (btle_context && btle_context->event_counter_valid) {
connection_info->connection_parameter_update_instant = item_value;
connection_info->connection_parameter_update_info = connection_parameter_info;
} else {
/* We don't have event counter information needed to determine the exact time the new
* connection parameters will be applied.
* Instead just set it as active immediately.
*/
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &access_address;
key[3].length = 1;
key[3].key = &pinfo->num;
key[4].length = 0;
key[4].key = NULL;
wmem_tree_insert32_array(connection_parameter_info_tree, key, connection_parameter_info);
}
}
}
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_CONNECTION_UPDATE_IND can only be sent from master to slave.
* It can either be sent as the first packet of the connection update procedure,
* or as the last packet in the connection parameter request procedure. */
if (direction == BTLE_DIR_MASTER_SLAVE) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x0F, 2)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[2] = pinfo->num;
last_control_proc[BTLE_DIR_MASTER_SLAVE]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_SLAVE_MASTER],
0x0F, 1)) {
last_control_proc[BTLE_DIR_SLAVE_MASTER]->frames[1] = pinfo->num;
last_control_proc[BTLE_DIR_SLAVE_MASTER]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_SLAVE_MASTER]->frames[0]);
proto_item_set_generated(sub_item);
} else {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_info_t *proc_info;
proc_info = control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
if (proc_info) {
if (btle_context && btle_context->event_counter_valid) {
proc_info->instant = item_value;
proc_info->frame_with_instant_value = pinfo->num;
} else {
/* Event counter is not available, assume the procedure completes now. */
proc_info->last_frame = pinfo->num;
}
}
}
} else if (direction == BTLE_DIR_SLAVE_MASTER) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x01: /* LL_CHANNEL_MAP_REQ */
sub_item = proto_tree_add_item(btle_tree, hf_control_channel_map, tvb, offset, 5, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_channel_map);
call_dissector(btcommon_le_channel_map_handle, tvb_new_subset_length(tvb, offset, 5), pinfo, sub_tree);
offset += 5;
proto_tree_add_item_ret_uint(btle_tree, hf_control_instant, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
offset += 2;
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_CHANNEL_MAP_REQ can only be sent from master to slave.
* It can either be sent as the first packet of the channel map update procedure,
* or as the last packet in the minimum number of used channels procedure. */
if (direction == BTLE_DIR_MASTER_SLAVE) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_SLAVE_MASTER],
0x19, 1)) {
last_control_proc[BTLE_DIR_SLAVE_MASTER]->frames[1] = pinfo->num;
if (btle_context && btle_context->event_counter_valid) {
last_control_proc[BTLE_DIR_SLAVE_MASTER]->instant = item_value;
last_control_proc[BTLE_DIR_SLAVE_MASTER]->frame_with_instant_value = pinfo->num;
} else {
/* Event counter is not available, assume the procedure completes now. */
last_control_proc[BTLE_DIR_SLAVE_MASTER]->last_frame = pinfo->num;
}
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_SLAVE_MASTER]->frames[0]);
proto_item_set_generated(sub_item);
} else {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_info_t *proc_info;
proc_info = control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
if (proc_info) {
if (btle_context && btle_context->event_counter_valid) {
proc_info->instant = item_value;
proc_info->frame_with_instant_value = pinfo->num;
} else {
/* Event counter is not available, assume the procedure completes now. */
proc_info->last_frame = pinfo->num;
}
}
}
} else if (direction == BTLE_DIR_SLAVE_MASTER) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x02: /* LL_TERMINATE_IND */
proto_tree_add_item(btle_tree, hf_control_error_code, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
/* No need to mark procedure as started, as the procedure only consist
* of one packet which may be sent at any time, */
break;
case 0x03: /* LL_ENC_REQ */
proto_tree_add_item(btle_tree, hf_control_random_number, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
proto_tree_add_item(btle_tree, hf_control_encrypted_diversifier, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_master_session_key_diversifier, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
proto_tree_add_item(btle_tree, hf_control_master_session_initialization_vector, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_ENC_REQ can only be sent from master to slave. */
if (direction == BTLE_DIR_MASTER_SLAVE) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[BTLE_DIR_MASTER_SLAVE].control_procs,
control_opcode);
} else if (direction == BTLE_DIR_SLAVE_MASTER) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x04: /* LL_ENC_RSP */
proto_tree_add_item(btle_tree, hf_control_slave_session_key_diversifier, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
proto_tree_add_item(btle_tree, hf_control_slave_session_initialization_vector, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_ENC_REQ can only be sent from slave to master. */
if (direction == BTLE_DIR_SLAVE_MASTER) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x3, 1)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[1] = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
} else if (direction == BTLE_DIR_MASTER_SLAVE) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x05: /* LL_START_ENC_REQ */
offset = dissect_ctrl_pdu_without_data(tvb, pinfo, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_START_ENC_REQ can only be sent from slave to master. */
if (direction == BTLE_DIR_SLAVE_MASTER) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x3, 2)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[2] = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
} else if (direction == BTLE_DIR_MASTER_SLAVE) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x06: /* LL_START_ENC_RSP */
offset = dissect_ctrl_pdu_without_data(tvb, pinfo, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
/* This is either frame 4 or 5 of the procedure */
if (direction == BTLE_DIR_MASTER_SLAVE &&
control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x3, 3)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[3] = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else if (direction == BTLE_DIR_SLAVE_MASTER &&
control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x3, 4)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[4] = pinfo->num;
last_control_proc[BTLE_DIR_MASTER_SLAVE]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x07: /* LL_UNKNOWN_RSP */
proto_tree_add_item(btle_tree, hf_control_unknown_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
/* LL_UNKNOWN_RSP can only be sent as the second frame of a procedure. */
if (last_control_proc[other_direction] &&
control_proc_can_add_frame_even_if_complete(pinfo,
last_control_proc[other_direction],
last_control_proc[other_direction]->proc_opcode,
1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x08: /* LL_FEATURE_REQ */
offset = dissect_feature_set(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_FEATURE_REQ can only be sent from master to slave. */
if (direction == BTLE_DIR_MASTER_SLAVE) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
} else if (direction == BTLE_DIR_SLAVE_MASTER) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x09: /* LL_FEATURE_RSP */
offset = dissect_feature_set(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x08, 1) ||
control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x0E, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x0A: /* LL_PAUSE_ENC_REQ */
if (tvb_reported_length_remaining(tvb, offset) > 3) {
proto_tree_add_expert(btle_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
offset += tvb_reported_length_remaining(tvb, offset) - 3;
}
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_PAUSE_ENC_REQ can only be sent from master to slave. */
if (direction == BTLE_DIR_MASTER_SLAVE) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[BTLE_DIR_MASTER_SLAVE].control_procs,
control_opcode);
} else if (direction == BTLE_DIR_SLAVE_MASTER) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x0B: /* LL_PAUSE_ENC_RSP */
offset = dissect_ctrl_pdu_without_data(tvb, pinfo, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (direction == BTLE_DIR_SLAVE_MASTER &&
control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x0A, 1)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[1] = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else if (direction == BTLE_DIR_MASTER_SLAVE &&
control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x0A, 2)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[2] = pinfo->num;
last_control_proc[BTLE_DIR_MASTER_SLAVE]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x0C: /* LL_VERSION_IND */
proto_tree_add_item(btle_tree, hf_control_version_number, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_company_id, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(btle_tree, hf_control_subversion_number, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
/* The LL_VERSION_IND can be sent as a request or response.
* We first check if it is a response. */
if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x0C, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
}
break;
case 0x0D: /* LL_REJECT_IND */
proto_tree_add_item(btle_tree, hf_control_error_code, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
/* LL_REJECT_IND my be sent as:
* - A response to the LL_ENQ_REQ from the master
* - After the LL_ENC_RSP from the slave */
if (connection_info && !btle_frame_info->retransmit) {
if (direction == BTLE_DIR_SLAVE_MASTER) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x03, 1)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[1] = pinfo->num;
last_control_proc[BTLE_DIR_MASTER_SLAVE]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x03, 2)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[2] = pinfo->num;
last_control_proc[BTLE_DIR_MASTER_SLAVE]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
} else if (direction == BTLE_DIR_MASTER_SLAVE) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x0E: /* LL_SLAVE_FEATURE_REQ */
offset = dissect_feature_set(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_SLAVE_FEATURE_REQ can only be sent from slave to master. */
if (direction == BTLE_DIR_SLAVE_MASTER) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
} else if (direction == BTLE_DIR_MASTER_SLAVE) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x0F: /* LL_CONNECTION_PARAM_REQ */
offset = dissect_conn_param_req_rsp(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit) {
if (direction != BTLE_DIR_UNKNOWN) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
}
break;
case 0x10: /* LL_CONNECTION_PARAM_RSP */
offset = dissect_conn_param_req_rsp(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_CONNECTION_PARAM_RSP can only be sent from slave to master
* as a response to a master initiated procedure */
if (direction == BTLE_DIR_SLAVE_MASTER) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x0F, 1)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[1] = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
} else if (direction == BTLE_DIR_MASTER_SLAVE) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x11: /* LL_REJECT_EXT_IND */
proto_tree_add_item(btle_tree, hf_control_reject_opcode, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_error_code, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
/* LL_REJECT_EXT_IND my be sent as:
* - A response to the LL_ENQ_REQ from the master
* - After the LL_ENC_RSP from the slave
* - As a response to LL_CONNECTION_PARAM_REQ
* - As a response to LL_CONNECTION_PARAM_RSP
* - As a response during the phy update procedure.
*/
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (direction == BTLE_DIR_SLAVE_MASTER &&
control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x03, 1)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[1] = pinfo->num;
last_control_proc[BTLE_DIR_MASTER_SLAVE]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else if (direction == BTLE_DIR_SLAVE_MASTER &&
control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x03, 2)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[2] = pinfo->num;
last_control_proc[BTLE_DIR_MASTER_SLAVE]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x0F, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x16, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x12: /* LL_PING_REQ */
offset = dissect_ctrl_pdu_without_data(tvb, pinfo, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
break;
case 0x13: /* LL_PING_RSP */
offset = dissect_ctrl_pdu_without_data(tvb, pinfo, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x12, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x14: /* LL_LENGTH_REQ */
dissect_length_req_rsp(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
break;
case 0x15: /* LL_LENGTH_RSP */
dissect_length_req_rsp(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x14, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x16: /* LL_PHY_REQ */
dissect_phy_req_rsp(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
break;
case 0x17: /* LL_PHY_RSP */
dissect_phy_req_rsp(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_PHY_RSP can only be sent from slave to master. */
if (direction == BTLE_DIR_SLAVE_MASTER) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x16, 1)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[1] = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
} else if (direction == BTLE_DIR_MASTER_SLAVE) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x18: /* LL_PHY_UPDATE_IND */
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_m_to_s_phy, ett_m_to_s_phy, hfx_control_phys_update, ENC_NA);
offset += 1;
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_s_to_m_phy, ett_s_to_m_phy, hfx_control_phys_update, ENC_NA);
offset += 1;
proto_tree_add_item_ret_uint(btle_tree, hf_control_instant, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
offset += 2;
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_PHY_UPDATE_IND can only be sent from master to slave. */
if (direction == BTLE_DIR_MASTER_SLAVE) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_MASTER_SLAVE],
0x16, 2)) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[2] = pinfo->num;
if (btle_context && btle_context->event_counter_valid) {
last_control_proc[BTLE_DIR_MASTER_SLAVE]->instant = item_value;
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frame_with_instant_value = pinfo->num;
} else {
/* Event counter is not available, assume the procedure completes now. */
last_control_proc[BTLE_DIR_MASTER_SLAVE]->last_frame = pinfo->num;
}
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_MASTER_SLAVE]->frames[0]);
proto_item_set_generated(sub_item);
} else if (control_proc_can_add_frame(pinfo,
last_control_proc[BTLE_DIR_SLAVE_MASTER],
0x16, 1)){
last_control_proc[BTLE_DIR_SLAVE_MASTER]->frames[1] = pinfo->num;
if (btle_context && btle_context->event_counter_valid) {
last_control_proc[BTLE_DIR_SLAVE_MASTER]->instant = item_value;
last_control_proc[BTLE_DIR_SLAVE_MASTER]->frame_with_instant_value = pinfo->num;
} else {
/* Event counter is not available, assume the procedure completes now. */
last_control_proc[BTLE_DIR_SLAVE_MASTER]->last_frame = pinfo->num;
}
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[BTLE_DIR_SLAVE_MASTER]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
} else if (direction == BTLE_DIR_SLAVE_MASTER) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x19: /* LL_MIN_USED_CHANNELS_IND */
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_phys, ett_phys, hfx_control_phys, ENC_NA);
offset += 1;
proto_tree_add_item(btle_tree, hf_control_min_used_channels, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
if (connection_info && !btle_frame_info->retransmit) {
/* The LL_MIN_USED_CHANNELS_IND can only be sent from slave to master. */
if (direction == BTLE_DIR_SLAVE_MASTER) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_info_t *proc_info;
proc_info = control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
/* Procedure completes in the same frame. */
if (proc_info)
proc_info->last_frame = pinfo->num;
} else if (direction == BTLE_DIR_MASTER_SLAVE) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x1A: /* LL_CTE_REQ */
proto_tree_add_bitmask(btle_tree, tvb, offset, hf_control_phys, ett_cte, hfx_control_cte, ENC_NA);
offset += 1;
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
break;
case 0x1B: /* LL_CTE_RSP */
offset = dissect_ctrl_pdu_without_data(tvb, pinfo, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x1A, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x1C: /* LL_PERIODIC_SYNC_IND */
offset = dissect_periodic_sync_ind(tvb, btle_tree, offset, pinfo, interface_id, adapter_id);
break;
case 0x1D: /* LL_CLOCK_ACCURACY_REQ */
proto_tree_add_item(btle_tree, hf_control_sleep_clock_accuracy, tvb, offset, 1, ENC_NA);
offset += 1;
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
break;
case 0x1E: /* LL_CLOCK_ACCURACY_RSP */
proto_tree_add_item(btle_tree, hf_control_sleep_clock_accuracy, tvb, offset, 1, ENC_NA);
offset += 1;
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x1D, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x1F: /* LL_CIS_REQ */
offset = dissect_cis_req(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
break;
case 0x20: /* LL_CIS_RSP */
offset = dissect_cis_rsp(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x1F, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x21: /* LL_CIS_IND */
if (!pinfo->fd->visited) {
connection_info_t *nconnection_info;
connection_parameter_info_t *connection_parameter_info;
connection_access_address = tvb_get_guint32(tvb, offset, ENC_LITTLE_ENDIAN);
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &connection_access_address;
key[3].length = 1;
key[3].key = &frame_number;
key[4].length = 0;
key[4].key = NULL;
nconnection_info = wmem_new0(wmem_file_scope(), connection_info_t);
nconnection_info->interface_id = interface_id;
nconnection_info->adapter_id = adapter_id;
nconnection_info->access_address = connection_access_address;
if (connection_info) {
memcpy(nconnection_info->master_bd_addr, connection_info->master_bd_addr, 6);
memcpy(nconnection_info->slave_bd_addr, connection_info->slave_bd_addr, 6);
}
/* We don't create control procedure context trees for BTLE_DIR_UNKNOWN,
* as the direction must be known for request/response matching. */
nconnection_info->direction_info[BTLE_DIR_MASTER_SLAVE].control_procs =
wmem_tree_new(wmem_file_scope());
nconnection_info->direction_info[BTLE_DIR_SLAVE_MASTER].control_procs =
wmem_tree_new(wmem_file_scope());
wmem_tree_insert32_array(connection_info_tree, key, nconnection_info);
connection_parameter_info = wmem_new0(wmem_file_scope(), connection_parameter_info_t);
connection_parameter_info->parameters_frame = pinfo->num;
key[3].length = 1;
key[3].key = &pinfo->num;
wmem_tree_insert32_array(connection_parameter_info_tree, key, connection_parameter_info);
}
offset = dissect_cis_ind(tvb, btle_tree, offset);
break;
case 0x22: /* LL_CIS_TERMINATE_IND */
offset = dissect_cis_terminate_ind(tvb, btle_tree, offset);
break;
case 0x23: /* LL_POWER_CONTROL_REQ */
offset = dissect_power_control_req(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_invalid_collision(pinfo,
last_control_proc[other_direction],
control_opcode)) {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_invalid_collision);
}
control_proc_start(tvb, pinfo, btle_tree, control_proc_item,
connection_info->direction_info[direction].control_procs,
control_opcode);
}
break;
case 0x24: /* LL_POWER_CONTROL_RSP */
offset = dissect_power_control_rsp(tvb, btle_tree, offset);
if (connection_info && !btle_frame_info->retransmit && direction != BTLE_DIR_UNKNOWN) {
if (control_proc_can_add_frame(pinfo,
last_control_proc[other_direction],
0x23, 1)) {
last_control_proc[other_direction]->frames[1] = pinfo->num;
last_control_proc[other_direction]->last_frame = pinfo->num;
sub_item = proto_tree_add_uint(btle_tree, hf_request_in_frame, tvb, 0, 0,
last_control_proc[other_direction]->frames[0]);
proto_item_set_generated(sub_item);
} else {
expert_add_info(pinfo, control_proc_item, &ei_control_proc_wrong_seq);
}
}
break;
case 0x25: /* LL_POWER_CHANGE_IND */
offset = dissect_power_control_ind(tvb, btle_tree, offset);
break;
default:
offset = dissect_ctrl_pdu_without_data(tvb, pinfo, btle_tree, offset);
break;
}
break;
case 0x04: /* Unframed CIS Data PDU; end fragment of an SDU or a complete SDU */
case 0x05: /* Unframed CIS Data PDU; start or continuation fragment of an SDU */
case 0x06: /* Framed CIS Data PDU; one or more segments of an SDU */
proto_tree_add_item(btle_tree, hf_isochronous_data, tvb, offset, length, ENC_NA);
offset += length;
break;
default:
if (tvb_reported_length_remaining(tvb, offset) > 3) {
proto_tree_add_expert(btle_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
offset += tvb_reported_length_remaining(tvb, offset) - 3;
}
}
if (add_l2cap_index) {
item = proto_tree_add_uint(btle_tree, hf_l2cap_index, tvb, 0, 0, btle_frame_info->l2cap_index);
proto_item_set_generated(item);
}
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &access_address;
key[3].length = 0;
key[3].key = NULL;
wmem_tree = (wmem_tree_t *) wmem_tree_lookup32_array(connection_parameter_info_tree, key);
if (wmem_tree) {
connection_parameter_info_t *connection_parameter_info;
if (connection_info && connection_info->connection_parameter_update_info != NULL &&
btle_context && btle_context->event_counter_valid) {
if ( ((gint16)btle_context->event_counter - connection_info->connection_parameter_update_instant) >= 0) {
wmem_tree_insert32(wmem_tree, pinfo->num, connection_info->connection_parameter_update_info);
connection_info->connection_parameter_update_info = NULL;
}
}
connection_parameter_info = (connection_parameter_info_t *) wmem_tree_lookup32_le(wmem_tree, pinfo->num);
item = proto_tree_add_uint(btle_tree, hf_connection_parameters_in, tvb, 0, 0, connection_parameter_info->parameters_frame);
proto_item_set_generated(item);
}
if ((crc_status == CRC_INDETERMINATE) &&
btle_context && btle_context->connection_info_valid) {
/* the surrounding context has provided CRCInit */
crc_init = btle_context->connection_info.CRCInit;
crc_status = CRC_CAN_BE_CALCULATED;
}
} else if (btle_pdu_type == BTLE_PDU_TYPE_BROADCASTISO) {
broadcastiso_connection_info_t *broadcastiso_connection_info = NULL;
guint32 seed_access_address = access_address & 0x0041ffff;
proto_item *data_header_item;
proto_tree *data_header_tree;
guint8 llid;
guint8 control_opcode;
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &seed_access_address;
key[3].length = 0;
key[3].key = NULL;
wmem_tree = (wmem_tree_t *) wmem_tree_lookup32_array(broadcastiso_connection_info_tree, key);
if (wmem_tree) {
broadcastiso_connection_info = (broadcastiso_connection_info_t *) wmem_tree_lookup32_le(wmem_tree, pinfo->num);
if (broadcastiso_connection_info) {
gchar *str_addr_src;
/* Holds "Master" + access_address + NULL, which is the longest string */
int str_addr_len = 17 + 1;
str_addr_src = (gchar *) wmem_alloc(pinfo->pool, str_addr_len);
sub_item = proto_tree_add_ether(btle_tree, hf_master_bd_addr, tvb, 0, 0, broadcastiso_connection_info->master_bd_addr);
proto_item_set_generated(sub_item);
g_snprintf(str_addr_src, str_addr_len, "Master_0x%08x", broadcastiso_connection_info->access_address);
set_address(&pinfo->dl_src, AT_ETHER, sizeof(broadcastiso_connection_info->master_bd_addr), broadcastiso_connection_info->master_bd_addr);
clear_address(&pinfo->dl_dst);
set_address(&pinfo->net_src, AT_STRINGZ, (int)strlen(str_addr_src)+1, str_addr_src);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
if (!pinfo->fd->visited) {
address *addr;
addr = (address *) wmem_memdup(wmem_file_scope(), &pinfo->dl_src, sizeof(address));
addr->data = wmem_memdup(wmem_file_scope(), pinfo->dl_src.data, pinfo->dl_src.len);
p_add_proto_data(wmem_file_scope(), pinfo, proto_bluetooth, BLUETOOTH_DATA_SRC, addr);
}
}
}
set_address(&pinfo->net_dst, AT_ETHER, 6, broadcast_addr);
copy_address_shallow(&pinfo->dl_dst, &pinfo->net_dst);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
data_header_item = proto_tree_add_item(btle_tree, hf_data_header, tvb, offset, 2, ENC_LITTLE_ENDIAN);
data_header_tree = proto_item_add_subtree(data_header_item, ett_data_header);
proto_tree_add_item(data_header_tree, hf_data_header_llid_broadcastiso, tvb, offset, 1, ENC_LITTLE_ENDIAN);
llid = tvb_get_guint8(tvb, offset) & 0x03;
proto_tree_add_item(data_header_tree, hf_data_header_control_subevent_sequence_number, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(data_header_tree, hf_data_header_control_subevent_transmission_flag, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(data_header_tree, hf_data_header_rfu_67, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(data_header_tree, hf_data_header_length, tvb, offset, 1, ENC_LITTLE_ENDIAN);
item = proto_tree_add_item_ret_uint(btle_tree, hf_length, tvb, offset, 1, ENC_LITTLE_ENDIAN, &length);
proto_item_set_hidden(item);
offset += 1;
switch (llid) {
case 0x00: /* Unframed BIS Data PDU; end fragment of an SDU or a complete SDU */
case 0x01: /* Unframed BIS Data PDU; start or continuation fragment of an SDU */
case 0x02: /* Framed BIS Data PDU; one or more segments of an SDU */
proto_tree_add_item(btle_tree, hf_isochronous_data, tvb, offset, length, ENC_NA);
offset += length;
break;
case 0x03: /* BIG Control PDU */
proto_tree_add_item(btle_tree, hf_big_control_opcode, tvb, offset, 1, ENC_LITTLE_ENDIAN);
control_opcode = tvb_get_guint8(tvb, offset);
offset += 1;
col_add_fstr(pinfo->cinfo, COL_INFO, "BIG Control Opcode: %s",
val_to_str_ext_const(control_opcode, &big_control_opcode_vals_ext, "Unknown"));
switch (control_opcode) {
case 0x00: /* BIG_CHANNEL_MAP_IND */
sub_item = proto_tree_add_item(btle_tree, hf_control_channel_map, tvb, offset, 5, ENC_NA);
sub_tree = proto_item_add_subtree(sub_item, ett_channel_map);
call_dissector(btcommon_le_channel_map_handle, tvb_new_subset_length(tvb, offset, 5), pinfo, sub_tree);
offset += 5;
proto_tree_add_item_ret_uint(btle_tree, hf_control_instant, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
offset += 2;
break;
case 0x01: /* BIG_TERMINATE_IND */
proto_tree_add_item(btle_tree, hf_control_error_code, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item_ret_uint(btle_tree, hf_control_instant, tvb, offset, 2, ENC_LITTLE_ENDIAN, &item_value);
offset += 2;
break;
default:
offset = dissect_ctrl_pdu_without_data(tvb, pinfo, btle_tree, offset);
break;
}
break;
default:
if (tvb_reported_length_remaining(tvb, offset) > 3) {
proto_tree_add_expert(btle_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
offset += tvb_reported_length_remaining(tvb, offset) - 3;
}
}
} else {
/* Unknown physical channel PDU type */
if (tvb_reported_length_remaining(tvb, offset) > 3) {
proto_tree_add_expert(btle_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_reported_length_remaining(tvb, offset) - 3);
offset += tvb_reported_length_remaining(tvb, offset) - 3;
}
}
/* BT spec Vol 6, Part B, Section 1.2: CRC is big endian and bits in byte are flipped */
packet_crc = reverse_bits_per_byte(tvb_get_ntoh24(tvb, offset));
sub_item = proto_tree_add_uint(btle_tree, hf_crc, tvb, offset, 3, packet_crc);
offset += 3;
if (crc_status == CRC_CAN_BE_CALCULATED) {
guint32 crc = btle_crc(tvb, length, crc_init);
crc_status = (packet_crc == crc) ? CRC_CORRECT : CRC_INCORRECT;
}
switch(crc_status) {
case CRC_INDETERMINATE:
expert_add_info(pinfo, sub_item, &ei_crc_cannot_be_determined);
break;
case CRC_INCORRECT:
expert_add_info(pinfo, sub_item, &ei_crc_incorrect);
break;
case CRC_CORRECT:
default:
break;
}
return offset;
}
void
proto_register_btle(void)
{
module_t *module;
expert_module_t *expert_module;
static hf_register_info hf[] = {
{ &hf_access_address,
{ "Access Address", "btle.access_address",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_coding_indicator,
{ "Coding Indicator", "btle.coding_indicator",
FT_UINT8, BASE_DEC, VALS(le_coding_indicators), 0x3,
NULL, HFILL }
},
{ &hf_master_bd_addr,
{ "Master Address", "btle.master_bd_addr",
FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_slave_bd_addr,
{ "Slave Address", "btle.slave_bd_addr",
FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_length,
{ "Length", "btle.length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_advertising_header,
{ "Packet Header", "btle.advertising_header",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_advertising_header_pdu_type,
{ "PDU Type", "btle.advertising_header.pdu_type",
FT_UINT8, BASE_HEX, NULL, 0x0F,
NULL, HFILL }
},
{ &hf_advertising_header_rfu_1,
{ "Reserved", "btle.advertising_header.rfu.1",
FT_UINT8, BASE_DEC, NULL, 0x10,
"Reserved for Future Use", HFILL }
},
{ &hf_advertising_header_ch_sel,
{ "Channel Selection Algorithm", "btle.advertising_header.ch_sel",
FT_BOOLEAN, 8, TFS(&tfs_ch_sel), 0x20,
NULL, HFILL }
},
{ &hf_advertising_header_rfu_2,
{ "Reserved", "btle.advertising_header.rfu.2",
FT_UINT8, BASE_DEC, NULL, 0x20,
"Reserved for Future Use", HFILL }
},
{ &hf_advertising_header_randomized_tx,
{ "Tx Address", "btle.advertising_header.randomized_tx",
FT_BOOLEAN, 8, TFS(&tfs_random_public), 0x40,
NULL, HFILL }
},
{ &hf_advertising_header_rfu_3,
{ "Reserved", "btle.advertising_header.rfu.3",
FT_UINT8, BASE_DEC, NULL, 0x40,
"Reserved for Future Use", HFILL }
},
{ &hf_advertising_header_randomized_rx,
{ "Rx Address", "btle.advertising_header.randomized_rx",
FT_BOOLEAN, 8, TFS(&tfs_random_public), 0x80,
NULL, HFILL }
},
{ &hf_advertising_header_rfu_4,
{ "Reserved", "btle.advertising_header.rfu.4",
FT_UINT8, BASE_DEC, NULL, 0x80,
"Reserved for Future Use", HFILL }
},
{ &hf_advertising_header_length,
{ "Length", "btle.advertising_header.length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_advertising_address,
{ "Advertising Address", "btle.advertising_address",
FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_initiator_addresss,
{ "Initiator Address", "btle.initiator_address",
FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_target_addresss,
{ "Target Address", "btle.target_address",
FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_scanning_address,
{ "Scanning Address", "btle.scanning_address",
FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_scan_response_data,
{ "Scan Response Data", "btle.scan_responce_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data,
{ "Link Layer Data", "btle.link_layer_data",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_access_address,
{ "Access Address", "btle.link_layer_data.access_address",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_crc_init,
{ "CRC Init", "btle.link_layer_data.crc_init",
FT_UINT24, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_window_size,
{ "Window Size", "btle.link_layer_data.window_size",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_window_offset,
{ "Window Offset", "btle.link_layer_data.window_offset",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_interval,
{ "Interval", "btle.link_layer_data.interval",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_latency,
{ "Latency", "btle.link_layer_data.latency",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_timeout,
{ "Timeout", "btle.link_layer_data.timeout",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_channel_map,
{ "Channel Map", "btle.link_layer_data.channel_map",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_link_layer_data_hop,
{ "Hop", "btle.link_layer_data.hop",
FT_UINT8, BASE_DEC, NULL, 0x1f,
NULL, HFILL }
},
{ &hf_link_layer_data_sleep_clock_accuracy,
{ "Sleep Clock Accuracy", "btle.link_layer_data.sleep_clock_accuracy",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &sleep_clock_accuracy_vals_ext, 0xe0,
NULL, HFILL }
},
{ &hf_extended_advertising_header,
{ "Extended Advertising Header", "btle.extended_advertising_header",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_header_length,
{ "Extended Header Length", "btle.extended_advertising_header.length",
FT_UINT8, BASE_DEC, NULL, 0x3F,
NULL, HFILL }
},
{ &hf_extended_advertising_mode,
{ "Advertising Mode", "btle.extended_advertising_header.mode",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &advertising_mode_vals_ext, 0xC0,
NULL, HFILL }
},
{ &hf_extended_advertising_flags,
{ "Extended Header Flags", "btle.extended_advertising_header.flags",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_flags_adva,
{ "Advertiser Address", "btle.extended_advertising_header.flags.advertiser_address",
FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01,
NULL, HFILL }
},
{ &hf_extended_advertising_flags_targeta,
{ "Target Address", "btle.extended_advertising_header.flags.target_address",
FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02,
NULL, HFILL }
},
{ &hf_extended_advertising_flags_cteinfo,
{ "CTE Info", "btle.extended_advertising_header.flags.cte_info",
FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04,
NULL, HFILL }
},
{ &hf_extended_advertising_flags_advdatainfo,
{ "Advertiser Data Info", "btle.extended_advertising_header.advertiser_data_info",
FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x08,
NULL, HFILL }
},
{ &hf_extended_advertising_flags_aux_ptr,
{ "Aux pointer", "btle.extended_advertising_header.flags.aux_pointer",
FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x10,
NULL, HFILL }
},
{ &hf_extended_advertising_flags_sync_info,
{ "Sync Info", "btle.extended_advertising_header.flags.sync_info",
FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x20,
NULL, HFILL }
},
{ &hf_extended_advertising_flags_tx_power,
{ "TX Power", "btle.extended_advertising_header.flags.tx_power",
FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x40,
NULL, HFILL }
},
{ &hf_extended_advertising_flags_reserved,
{ "Reserved", "btle.extended_advertising_header.flags.reserved",
FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x80,
NULL, HFILL }
},
{ &hf_extended_advertising_cte_info,
{ "CTE Info", "btle.extended_advertising_header.cte_info",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_cte_info_time,
{ "CTE Time", "btle.extended_advertising_header.cte_info.time",
FT_UINT8, BASE_HEX, NULL, 0x1F,
NULL, HFILL }
},
{ &hf_extended_advertising_cte_info_rfu,
{ "RFU", "btle.extended_advertising_header.cte_info.rfu",
FT_UINT8, BASE_HEX, NULL, 0x20,
NULL, HFILL }
},
{ &hf_extended_advertising_cte_info_type,
{ "CTE Type", "btle.extended_advertising_header.cte_info.type",
FT_UINT8, BASE_HEX, VALS(le_cte_type_vals), 0xC0,
NULL, HFILL }
},
{ &hf_extended_advertising_data_info,
{ "Advertiser Data Info", "btle.extended_advertising.advertising_data_info",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_data_info_did,
{ "Advertiser Data Identifier", "btle.extended_advertising.advertising_data_info.did",
FT_UINT16, BASE_HEX, NULL, 0x0FFF,
NULL, HFILL }
},
{ &hf_extended_advertising_data_info_sid,
{ "Advertiser Set Identifier", "btle.extended_advertising.advertising_data_info.sid",
FT_UINT16, BASE_HEX, NULL, 0xF000,
NULL, HFILL }
},
{ &hf_extended_advertising_aux_ptr,
{ "Advertiser Aux Pointer", "btle.extended_advertising.aux_pointer",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_aux_ptr_channel,
{ "Channel", "btle.extended_advertising_header.aux_pointer.channel",
FT_UINT8, BASE_DEC, NULL, 0x3F,
NULL, HFILL }
},
{ &hf_extended_advertising_aux_ptr_ca,
{ "Clock Accuracy", "btle.extended_advertising_header.aux_pointer.ca",
FT_BOOLEAN, 8, TFS(&tfs_ca), 0x40,
NULL, HFILL }
},
{ &hf_extended_advertising_aux_ptr_offset_units,
{ "Offset units", "btle.extended_advertising_header.aux_pointer.offset_units",
FT_BOOLEAN, 8, TFS(&tfs_offset_units), 0x80,
NULL, HFILL }
},
{ &hf_extended_advertising_aux_ptr_aux_offset,
{ "Aux Offset", "btle.extended_advertising_header.aux_pointer.aux_offset",
FT_UINT16, BASE_HEX, NULL, 0x1FFF,
NULL, HFILL }
},
{ &hf_extended_advertising_aux_ptr_aux_phy,
{ "Aux PHY", "btle.extended_advertising_header.aux_pointer.aux_phy",
FT_UINT16, BASE_DEC, VALS(le_phys), 0xE000,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info,
{ "Advertiser Sync Info", "btle.extended_advertising.sync_info",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_had_fragment,
{ "Host Advertising Data Fragment", "btle.extended_advertising.had_fragment",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_offset,
{ "Sync Offset", "btle.extended_advertising_header.sync_info.sync_offset",
FT_UINT16, BASE_HEX, NULL, 0x1FFF,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_offset_units,
{ "Offset Units", "btle.extended_advertising_header.sync_info.offset_units",
FT_BOOLEAN, 16, TFS(&tfs_offset_units), 0x2000,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_offset_adjust,
{ "Offset Adjust", "btle.extended_advertising_header.sync_info.offset_adjust",
FT_BOOLEAN, 16, TFS(&tfs_offset_adjust), 0x4000,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_reserved,
{ "Reserved", "btle.extended_advertising_header.sync_info.offset_units",
FT_BOOLEAN, 16, NULL, 0x8000,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_interval,
{ "Interval", "btle.extended_advertising_header.sync_info.interval",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_channel_map,
{ "Channel Map", "btle.extended_advertising_header.sync_info.channel_map",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_sleep_clock_accuracy,
{ "Sleep Clock Accuracy", "btle.extended_advertising_header.sync_info.sleep_clock_accuracy",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &sleep_clock_accuracy_vals_ext, 0xe0,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_access_address,
{ "Access Address", "btle.extended_advertising_header.sync_info.access_address",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_crc_init,
{ "CRC Init", "btle.extended_advertising_header.sync_info.crc_init",
FT_UINT24, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_sync_info_event_counter,
{ "Event counter", "btle.extended_advertising_header.sync_info.event_counter",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_tx_power,
{ "TX Power", "btle.extended_advertising_header.tx_power",
FT_INT8, BASE_DEC | BASE_UNIT_STRING, &units_dbm, 0x0,
NULL, HFILL }
},
{ &hf_extended_advertising_header_acad,
{ "Additional Controller Advertising Data", "btle.extended_advertising_header.acad",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_data_header,
{ "Data Header", "btle.data_header",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_data_header_llid,
{ "LLID", "btle.data_header.llid",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &llid_codes_vals_ext, 0x03,
"Logical Link Identifier", HFILL }
},
{ &hf_data_header_llid_connectediso,
{ "LLID", "btle.data_header.llid",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &llid_connectediso_codes_vals_ext, 0x03,
"Logical Link Identifier", HFILL }
},
{ &hf_data_header_llid_broadcastiso,
{ "LLID", "btle.data_header.llid",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &llid_broadcastiso_codes_vals_ext, 0x03,
"Logical Link Identifier", HFILL }
},
{ &hf_data_header_next_expected_sequence_number,
{ "Next Expected Sequence Number", "btle.data_header.next_expected_sequence_number",
FT_UINT8, BASE_DEC, NULL, 0x04,
NULL, HFILL }
},
{ &hf_data_header_sequence_number,
{ "Sequence Number", "btle.data_header.sequence_number",
FT_UINT8, BASE_DEC, NULL, 0x08,
NULL, HFILL }
},
{ &hf_data_header_more_data,
{ "More Data", "btle.data_header.more_data",
FT_BOOLEAN, 8, NULL, 0x10,
NULL, HFILL }
},
{ &hf_data_header_length,
{ "Length", "btle.data_header.length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_data_header_rfu,
{ "RFU", "btle.data_header.rfu",
FT_UINT8, BASE_DEC, NULL, 0xE0,
"Reserved for Future Use", HFILL }
},
{ &hf_data_header_rfu_67,
{ "RFU", "btle.data_header.rfu",
FT_UINT8, BASE_DEC, NULL, 0xC0,
"Reserved for Future Use", HFILL }
},
{ &hf_data_header_rfu_57,
{ "RFU", "btle.data_header.rfu",
FT_UINT8, BASE_DEC, NULL, 0xA0,
"Reserved for Future Use", HFILL }
},
{ &hf_data_header_close_isochronous_event,
{ "Close Isochronous Event", "btle.data_header.close_isochronous_event",
FT_BOOLEAN, 8, NULL, 0x10,
NULL, HFILL }
},
{ &hf_data_header_null_pdu_indicator,
{ "Null PDU Indicator", "btle.data_header.null_pdu_indicator",
FT_BOOLEAN, 8, NULL, 0x40,
NULL, HFILL }
},
{ &hf_data_header_control_subevent_sequence_number,
{ "Control Subevent Sequence Number", "btle.data_header.control_subevent_sequence_number",
FT_UINT8, BASE_DEC, NULL, 0x1C,
NULL, HFILL }
},
{ &hf_data_header_control_subevent_transmission_flag,
{ "Control Subevent Transmission Flag", "btle.data_header.control_subevent_transmission_flag",
FT_BOOLEAN, 8, NULL, 0x20,
NULL, HFILL }
},
{ &hf_control_opcode,
{ "Control Opcode", "btle.control_opcode",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &control_opcode_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_control_reject_opcode,
{ "Reject Opcode", "btle.control.reject_opcode",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &control_opcode_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_control_unknown_type,
{ "Unknown Type", "btle.control.unknown_type",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &control_opcode_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_control_error_code,
{ "Error Code", "btle.control.error_code",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &bthci_cmd_status_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_control_version_number,
{ "Version Number", "btle.control.version_number",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &ll_version_number_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_control_company_id,
{ "Company Id", "btle.control.company_id",
FT_UINT16, BASE_HEX | BASE_EXT_STRING, &bluetooth_company_id_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_control_subversion_number,
{ "Subversion Number", "btle.control.subversion_number",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_feature_set,
{ "Feature Set", "btle.control.feature_set",
FT_UINT64, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_feature_set_le_encryption,
{ "LE Encryption", "btle.control.feature_set.le_encryption",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_feature_set_connection_parameters_request_procedure,
{ "Connection Parameters Request Procedure", "btle.control.feature_set.connection_parameters_request_procedure",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_feature_set_extended_reject_indication,
{ "Extended Reject Indication", "btle.control.feature_set.extended_reject_indication",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_control_feature_set_slave_initiated_features_exchange,
{ "Slave Initiated Features Exchange", "btle.control.feature_set.slave_initiated_features_exchange",
FT_BOOLEAN, 8, NULL, 0x08,
NULL, HFILL }
},
{ &hf_control_feature_set_le_ping,
{ "LE Ping", "btle.control.feature_set.le_ping",
FT_BOOLEAN, 8, NULL, 0x10,
NULL, HFILL }
},
{ &hf_control_feature_set_le_pkt_len_ext,
{ "LE Data Packet Length Extension", "btle.control.feature_set.le_pkt_len_ext",
FT_BOOLEAN, 8, NULL, 0x20,
NULL, HFILL }
},
{ &hf_control_feature_set_ll_privacy,
{ "LL Privacy", "btle.control.feature_set.le_privacy",
FT_BOOLEAN, 8, NULL, 0x40,
NULL, HFILL }
},
{ &hf_control_feature_set_ext_scan_flt_pol,
{ "Extended Scanner Filter Policies", "btle.control.feature_set.ext_scan_flt_pol",
FT_BOOLEAN, 8, NULL, 0x80,
NULL, HFILL }
},
{ &hf_control_feature_set_le_2m_phy,
{ "LE 2M PHY", "btle.control.feature_set.le_2m_phy",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_feature_set_stable_modulation_index_transmitter,
{ "Stable Modulation Index - Transmitter", "btle.control.feature_set.st_mod_idx_tx",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_feature_set_stable_modulation_index_receiver,
{ "Stable Modulation Index - Receiver", "btle.control.feature_set.st_mod_idx_rx",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_control_feature_set_le_coded_phy,
{ "LE Coded PHY", "btle.control.feature_set.le_coded_phy",
FT_BOOLEAN, 8, NULL, 0x08,
NULL, HFILL }
},
{ &hf_control_feature_set_le_extended_advertising,
{ "LE Extended Advertising", "btle.control.feature_set.le_extended_adv",
FT_BOOLEAN, 8, NULL, 0x10,
NULL, HFILL }
},
{ &hf_control_feature_set_le_periodic_advertising,
{ "LE Periodic Advertising", "btle.control.feature_set.periodic_adv",
FT_BOOLEAN, 8, NULL, 0x20,
NULL, HFILL }
},
{ &hf_control_feature_set_channel_selection_algorithm_2,
{ "Channel Selection Algorithm #2", "btle.control.feature_set.ch_sel_2",
FT_BOOLEAN, 8, NULL, 0x40,
NULL, HFILL }
},
{ &hf_control_feature_set_le_power_class_1,
{ "LE Power Class 1", "btle.control.feature_set.le_power_class_1",
FT_BOOLEAN, 8, NULL, 0x80,
NULL, HFILL }
},
{ &hf_control_feature_set_minimum_number_of_used_channels_procedure,
{ "Minimum Number of Used Channels Procedure", "btle.control.feature_set.min_num_used_ch_proc",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_feature_set_reserved_bits,
{ "Reserved", "btle.control.feature_set.reserved_bits",
FT_UINT8, BASE_DEC, NULL, 0xFE,
NULL, HFILL }
},
{ &hf_control_feature_set_reserved,
{ "Reserved", "btle.control.feature_set.reserved",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_window_size,
{ "Window Size", "btle.control.window_size",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_window_offset,
{ "Window Offset", "btle.control.window_offset",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_interval,
{ "Interval", "btle.control.interval",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_latency,
{ "Latency", "btle.control.latency",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_timeout,
{ "Timeout", "btle.control.timeout",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_instant,
{ "Instant", "btle.control.instant",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_interval_min,
{ "Interval Min", "btle.control.interval.min",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_interval_max,
{ "Interval Max", "btle.control.interval.max",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_preferred_periodicity,
{ "Preferred Periodicity", "btle.control.preferred_periodicity",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_reference_connection_event_count,
{ "Reference Connection Event Count","btle.control.reference_connection_event_count",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_offset_0,
{ "Offset 0", "btle.control.offset.0",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_offset_1,
{ "Offset 1", "btle.control.offset.1",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_offset_2,
{ "Offset 2", "btle.control.offset.2",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_offset_3,
{ "Offset 3", "btle.control.offset.3",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_offset_4,
{ "Offset 4", "btle.control.offset.4",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_offset_5,
{ "Offset 5", "btle.control.offset.5",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_channel_map,
{ "Channel Map", "btle.control.channel_map",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_random_number,
{ "Random Number", "btle.control.random_number",
FT_UINT64, BASE_DEC_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_encrypted_diversifier,
{ "Encrypted Diversifier", "btle.control.encrypted_diversifier",
FT_UINT16, BASE_DEC_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_master_session_key_diversifier,
{ "Master Session Key Diversifier", "btle.control.master_session_key_diversifier",
FT_UINT64, BASE_DEC_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_slave_session_key_diversifier,
{ "Slave Session Key Diversifier", "btle.control.slave_session_key_diversifier",
FT_UINT64, BASE_DEC_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_master_session_initialization_vector,
{ "Master Session Initialization Vector", "btle.control.master_session_initialization_vector",
FT_UINT32, BASE_DEC_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_slave_session_initialization_vector,
{ "Slave Session Initialization Vector", "btle.control.slave_session_initialization_vector",
FT_UINT64, BASE_DEC_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_max_rx_octets,
{ "Max RX octets", "btle.control.max_rx_octets",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_max_rx_time,
{ "Max RX time", "btle.control.max_rx_time",
FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_microsecond_microseconds, 0x0,
NULL, HFILL }
},
{ &hf_control_max_tx_octets,
{ "Max TX octets", "btle.control.max_tx_octets",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_max_tx_time,
{ "Max TX time", "btle.control.max_tx_time",
FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_microsecond_microseconds, 0x0,
NULL, HFILL }
},
{ &hf_control_phys_sender_le_1m_phy,
{ "Sender prefers to use the LE 1M PHY", "btle.control.phys.le_1m_phy",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_phys_sender_le_2m_phy,
{ "Sender prefers to use the LE 2M PHY", "btle.control.phys.le_2m_phy",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_phys_sender_le_coded_phy,
{ "Sender prefers to use the LE Coded PHY", "btle.control.phys.le_coded_phy",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_control_phys_update_le_1m_phy,
{ "The LE 1M PHY shall be used", "btle.control.phys.le_1m_phy",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_phys_update_le_2m_phy,
{ "The LE 2M PHY shall be used", "btle.control.phys.le_2m_phy",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_phys_update_le_coded_phy,
{ "The LE Coded PHY shall be used", "btle.control.phys.le_coded_phy",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_control_phys_reserved_bits,
{ "Reserved for future use", "btle.control.phys.reserved",
FT_UINT8, BASE_DEC, NULL, 0xF8,
NULL, HFILL }
},
{ &hf_control_tx_phys,
{ "TX PHYs", "btle.control.tx_phys",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_rx_phys,
{ "RX PHYs", "btle.control.rx_phys",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_m_to_s_phy,
{ "Master to Slave PHY", "btle.control.m_to_s_phy",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_m_to_s_phy_le_1m_phy,
{ "LE 1M PHY", "btle.control.m_to_s_phy.le_1m_phy",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_m_to_s_phy_le_2m_phy,
{ "LE 2M PHY", "btle.control.m_to_s_phy.le_2m_phy",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_m_to_s_phy_le_coded_phy,
{ "LE Coded PHY", "btle.control.m_to_s_phy.le_coded_phy",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_control_m_to_s_phy_reserved_bits,
{ "Reserved for future use", "btle.control.m_to_s_phy.reserved",
FT_UINT8, BASE_DEC, NULL, 0xF8,
NULL, HFILL }
},
{ &hf_control_s_to_m_phy,
{ "Slave to Master PHY", "btle.control.s_to_m_phy",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_s_to_m_phy_le_1m_phy,
{ "LE 1M PHY", "btle.control.s_to_m_phy.le_1m_phy",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_s_to_m_phy_le_2m_phy,
{ "LE 2M PHY", "btle.control.s_to_m_phy.le_2m_phy",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_s_to_m_phy_le_coded_phy,
{ "LE Coded PHY", "btle.control.s_to_m_phy.le_coded_phy",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_control_s_to_m_phy_reserved_bits,
{ "Reserved for future use", "btle.control.s_to_m_phy.reserved",
FT_UINT8, BASE_DEC, NULL, 0xF8,
NULL, HFILL }
},
{ &hf_control_phys,
{ "PHYs", "btle.control.phys",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_phys_le_1m_phy,
{ "LE 1M PHY", "btle.control.phys.le_1m_phy",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_phys_le_2m_phy,
{ "LE 2M PHY", "btle.control.phys.le_2m_phy",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_phys_le_coded_phy,
{ "LE Coded PHY", "btle.control.phys.le_coded_phy",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_control_min_used_channels,
{ "Minimum Used Channels", "btle.control.min_used_channels",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_cte_min_len_req,
{ "MinCTELenReq", "btle.control.cte.min_len_req",
FT_UINT8, BASE_DEC, NULL, 0x1F,
NULL, HFILL }
},
{ &hf_control_cte_rfu,
{ "MinCTELenReq", "btle.control.cte.rfu",
FT_UINT8, BASE_DEC, NULL, 0x20,
NULL, HFILL }
},
{ &hf_control_cte_type_req,
{ "CTETypeReq", "btle.control.cte.type_req",
FT_UINT8, BASE_DEC, VALS(le_cte_type_vals), 0xC0,
NULL, HFILL }
},
{ &hf_control_sync_id,
{ "ID", "btle.control.sync.id",
FT_UINT16, BASE_HEX, NULL, 0xFFFF,
NULL, HFILL }
},
{ &hf_control_sync_info_offset,
{ "Sync Offset", "btle.control.sync_info.sync_offset",
FT_UINT16, BASE_HEX, NULL, 0x1FFF,
NULL, HFILL }
},
{ &hf_control_sync_info_offset_units,
{ "Offset Units", "btle.control.sync_info.offset_units",
FT_BOOLEAN, 16, TFS(&tfs_offset_units), 0x2000,
NULL, HFILL }
},
{ &hf_control_sync_info_offset_adjust,
{ "Offset Adjust", "btle.control.sync_info.offset_adjust",
FT_BOOLEAN, 16, TFS(&tfs_offset_adjust), 0x4000,
NULL, HFILL }
},
{ &hf_control_sync_info_reserved,
{ "Reserved", "btle.control.sync_info.offset_units",
FT_BOOLEAN, 16, NULL, 0x8000,
NULL, HFILL }
},
{ &hf_control_sync_info_interval,
{ "Interval", "btle.control.sync_info.interval",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_control_sync_info_channel_map,
{ "Channel Map", "btle.control.sync_info.channel_map",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_sync_info_sleep_clock_accuracy,
{ "Sleep Clock Accuracy", "btle.control.sync_info.sleep_clock_accuracy",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &sleep_clock_accuracy_vals_ext, 0xe0,
NULL, HFILL }
},
{ &hf_control_sync_info_access_address,
{ "Access Address", "btle.control.sync_info.access_address",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_sync_info_crc_init,
{ "CRC Init", "btle.control.sync_info.crc_init",
FT_UINT24, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_sync_info_event_counter,
{ "Event counter", "btle.control.sync_info.event_counter",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_sync_conn_event_count,
{ "connEventCount", "btle.control.sync.conn_event_count",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_sync_last_pa_event_counter,
{ "lastPaEventCounter", "btle.control.sync.last_pa_event_counter",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_sync_sid,
{ "SID", "btle.control.sync.sid",
FT_UINT8, BASE_HEX, NULL, 0x0F,
NULL, HFILL }
},
{ &hf_control_sync_atype,
{ "AType", "btle.control.sync.atype",
FT_UINT8, BASE_DEC, NULL, 0x10,
NULL, HFILL }
},
{ &hf_control_sync_sleep_clock_accuracy,
{ "Sleep Clock Accuracy", "btle.control.sync.sleep_clock_accuracy",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &sleep_clock_accuracy_vals_ext, 0xE0,
NULL, HFILL }
},
{ &hf_control_sync_sync_conn_event_counter,
{ "syncConnEventCount", "btle.control.sync.sync_conn_event_count",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_sleep_clock_accuracy,
{ "Sleep Clock Accuracy", "btle.control.sleep_clock_accuracy",
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &sleep_clock_accuracy_vals_ext, 0xe0,
NULL, HFILL }
},
{ &hf_control_cig_id,
{ "CIG_ID", "btle.control.cig_id",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_cis_id,
{ "CIS_ID", "btle.control.cis_id",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_max_sdu_m_to_s,
{ "Max_SDU_M_To_S", "btle.control.max_sdu_m_to_s",
FT_UINT16, BASE_DEC, NULL, 0x0fff,
NULL, HFILL }
},
{ &hf_control_rfu_1,
{ "Reserved", "btle.control.rfu.1",
FT_UINT16, BASE_DEC, NULL, 0x7000,
"Reserved for Future Use", HFILL }
},
{ &hf_control_framed,
{ "Framed", "btle.control.framed",
FT_BOOLEAN, 16, NULL, 0x8000,
NULL, HFILL }
},
{ &hf_control_max_sdu_s_to_m,
{ "Max_SDU_S_To_M", "btle.control.max_sdu_s_to_m",
FT_UINT16, BASE_DEC, NULL, 0x0fff,
NULL, HFILL }
},
{ &hf_control_rfu_2,
{ "Reserved", "btle.control.rfu.2",
FT_UINT16, BASE_DEC, NULL, 0xf000,
"Reserved for Future Use", HFILL }
},
{ &hf_control_sdu_interval_m_to_s,
{ "SDU_Interval_M_To_S", "btle.control.sdu_interval_m_to_s",
FT_UINT24, BASE_DEC|BASE_UNIT_STRING, &units_microsecond_microseconds, 0x0fffff,
NULL, HFILL }
},
{ &hf_control_rfu_3,
{ "Reserved", "btle.control.rfu.3",
FT_UINT24, BASE_DEC, NULL, 0xf00000,
"Reserved for Future Use", HFILL }
},
{ &hf_control_sdu_interval_s_to_m,
{ "SDU_Interval_S_To_M", "btle.control.sdu_interval_s_to_m",
FT_UINT24, BASE_DEC|BASE_UNIT_STRING, &units_microsecond_microseconds, 0x0fffff,
NULL, HFILL }
},
{ &hf_control_rfu_4,
{ "Reserved", "btle.control.rfu.4",
FT_UINT24, BASE_DEC, NULL, 0xf00000,
"Reserved for Future Use", HFILL }
},
{ &hf_control_max_pdu_m_to_s,
{ "Max_PDU_M_To_S", "btle.control.max_pdu_m_to_s",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_max_pdu_s_to_m,
{ "Max_PDU_S_To_M", "btle.control.max_pdu_s_to_m",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_num_sub_events,
{ "Num_Sub_Events", "btle.control.num_sub_events",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_sub_interval,
{ "Sub_Interval", "btle.control.sub_interval",
FT_UINT24, BASE_DEC|BASE_UNIT_STRING, &units_microsecond_microseconds, 0x0,
NULL, HFILL }
},
{ &hf_control_bn_m_to_s,
{ "BN_M_To_S", "btle.control.bn_m_to_s",
FT_UINT8, BASE_DEC, NULL, 0x0f,
NULL, HFILL }
},
{ &hf_control_bn_s_to_m,
{ "BN_S_To_M", "btle.control.bn_s_to_m",
FT_UINT8, BASE_DEC, NULL, 0xf0,
NULL, HFILL }
},
{ &hf_control_ft_m_to_s,
{ "FT_M_To_S", "btle.control.ft_m_to_s",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_ft_s_to_m,
{ "FT_S_To_M", "btle.control.ft_s_to_m",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_iso_interval,
{ "ISO_Interval", "btle.control.iso_interval",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_cis_offset_min,
{ "CIS_Offset_Min", "btle.control.cis_offset_min",
FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_cis_offset_max,
{ "CIS_Offset_Max", "btle.control.cis_offset_max",
FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_conn_event_count,
{ "connEventCount", "btle.control.conn_event_count",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_access_address,
{ "Access Address", "btle.control.access_address",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_cis_offset,
{ "CIS_Offset", "btle.control.cis_offset",
FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_cig_sync_delay,
{ "CIG_Sync_Delay", "btle.control.cig_sync_delay",
FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_cis_sync_delay,
{ "CIS_Sync_Delay", "btle.control.cis_sync_delay",
FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_pwr_phy,
{ "Power PHY", "btle.control.pwr_phy",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_pwr_phy_le_1m_phy,
{ "LE 1M PHY", "btle.control.pwr_phy.le_1m_phy",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_pwr_phy_le_2m_phy,
{ "LE 2M PHY", "btle.control.pwr_phy.le_2m_phy",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_pwr_phy_le_coded_s8_phy,
{ "LE Coded S=8 PHY", "btle.control.pwr_phy.le_coded_s8_phy",
FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_control_pwr_phy_le_coded_s2_phy,
{ "LE Coded S=2 PHY", "btle.control.pwr_phy.le_coded_s2_phy",
FT_BOOLEAN, 8, NULL, 0x08,
NULL, HFILL }
},
{ &hf_control_pwr_phy_reserved_bits,
{ "Reserved for future use", "btle.control.pwr_phy.reserved",
FT_UINT8, BASE_DEC, NULL, 0xF0,
NULL, HFILL }
},
{ &hf_control_delta,
{ "Delta", "btle.control.delta",
FT_INT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_txpwr,
{ "TxPower", "btle.control.txpower",
FT_INT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_pwrflags,
{ "Power Flags", "btle.control.pwrflags",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_control_pwrflags_min,
{ "Min", "btle.control.min",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_control_pwrflags_max,
{ "Max", "btle.control.max",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }
},
{ &hf_control_pwrflags_reserved_bits,
{ "Reserved for future use", "btle.control.pwrctrl.reserved",
FT_UINT8, BASE_DEC, NULL, 0xFC,
NULL, HFILL }
},
{ &hf_control_acceptable_power_reduction,
{ "Acceptable Power Reduction", "btle.control.acceptable_power_reduction",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_big_control_opcode,
{ "BIG Control Opcode", "btle.big_control_opcode",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &big_control_opcode_vals_ext, 0x0,
NULL, HFILL }
},
{ &hf_l2cap_index,
{ "L2CAP Index", "btle.l2cap_index",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_l2cap_fragment,
{ "L2CAP Fragment", "btle.l2cap_data",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_connection_parameters_in,
{ "Connection Parameters in", "btle.connection_parameters_in",
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_crc,
{ "CRC", "btle.crc",
FT_UINT24, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_isochronous_data,
{ "Isochronous Data", "btle.isochronous_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_fragments,
{ "L2CAP fragments", "btle.l2cap.fragments",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_fragment,
{ "L2CAP fragment", "btle.l2cap.fragment",
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_fragment_overlap,
{ "L2CAP fragment overlap", "btle.l2cap.fragment.overlap",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_fragment_overlap_conflicts,
{ "L2CAP fragment overlapping with conflicting data", "btle.l2cap.fragment.overlap.conflicts",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_fragment_multiple_tails,
{ "L2CAP has multiple tail fragments", "btle.l2cap.fragment.multiple_tails",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_fragment_too_long_fragment,
{ "L2CAP fragment too long", "btle.l2cap.fragment.too_long_fragment",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_fragment_error,
{ "L2CAP defragmentation error", "btle.l2cap.fragment.error",
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_fragment_count,
{ "L2CAP fragment count", "btle.l2cap.fragment.count",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_reassembled_in,
{ "Reassembled in", "btle.l2cap.reassembled.in",
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_l2cap_msg_reassembled_length,
{ "Reassembled L2CAP length", "btle.l2cap.reassembled.length",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_fragments,
{ "EA HAD fragments", "btle.ea.host_advertising_data.fragments",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_fragment,
{ "EA HAD fragment", "btle.ea.host_advertising_data.fragment",
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_fragment_overlap,
{ "EA HAD fragment overlap", "btle.ea.host_advertising_data.fragment.overlap",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_fragment_overlap_conflicts,
{ "EA HAD fragment overlapping with conflicting data", "btle.ea.host_advertising_data.fragment.overlap.conflicts",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_fragment_multiple_tails,
{ "EA HAD has multiple tail fragments", "btle.ea.host_advertising_data.fragment.multiple_tails",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_fragment_too_long_fragment,
{ "EA HAD fragment too long", "btle.ea.host_advertising_data.fragment.too_long_fragment",
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_fragment_error,
{ "EA HAD defragmentation error", "btle.ea.host_advertising_data.fragment.error",
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_fragment_count,
{ "EA HAD fragment count", "btle.ea.host_advertising_data.fragment.count",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_reassembled_in,
{ "Reassembled in", "btle.ea.host_advertising_data.reassembled.in",
FT_FRAMENUM, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_btle_ea_host_advertising_data_reassembled_length,
{ "Reassembled EA HAD length", "btle.ea.host_advertising_data.reassembled.length",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_request_in_frame,
{"Request in Frame", "btle.request_in_frame",
FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_REQUEST), 0x0,
NULL, HFILL}
},
{ &hf_response_in_frame,
{"Response in Frame", "btle.response_in_frame",
FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_RESPONSE), 0x0,
NULL, HFILL}
},
};
static ei_register_info ei[] = {
{ &ei_unknown_data,
{ "btle.unknown_data", PI_PROTOCOL, PI_NOTE, "Unknown data", EXPFILL }},
{ &ei_access_address_matched,
{ "btle.access_address.matched", PI_PROTOCOL, PI_NOTE, "AccessAddress matched at capture", EXPFILL }},
{ &ei_access_address_bit_errors,
{ "btle.access_address.bit_errors", PI_PROTOCOL, PI_WARN, "AccessAddress has errors present at capture", EXPFILL }},
{ &ei_access_address_illegal,
{ "btle.access_address.illegal", PI_PROTOCOL, PI_ERROR, "AccessAddress has illegal value", EXPFILL }},
{ &ei_control_proc_overlapping,
{ "btle.control_proc_overlapping", PI_PROTOCOL, PI_ERROR, "Initiating a new control procedure before the previous was complete", EXPFILL }},
{ &ei_control_proc_invalid_collision,
{ "btle.control_proc_incompatible", PI_PROTOCOL, PI_ERROR, "Initiating a new incompatible control procedure after having sent a response to an incompatible control procedure", EXPFILL }},
{ &ei_control_proc_wrong_seq,
{ "btle.control_proc_unknown_seq", PI_PROTOCOL, PI_ERROR, "Incorrect control procedure packet sequencing or direction", EXPFILL }},
{ &ei_crc_cannot_be_determined,
{ "btle.crc.indeterminate", PI_CHECKSUM, PI_NOTE, "CRC unchecked, not all data available", EXPFILL }},
{ &ei_crc_incorrect,
{ "btle.crc.incorrect", PI_CHECKSUM, PI_WARN, "Incorrect CRC", EXPFILL }},
{ &ei_missing_fragment_start,
{ "btle.missing_fragment_start", PI_SEQUENCE, PI_WARN, "Missing Fragment Start", EXPFILL }},
{ &ei_retransmit,
{ "btle.retransmit", PI_SEQUENCE, PI_NOTE, "Retransmission", EXPFILL }},
{ &ei_nack,
{ "btle.nack", PI_SEQUENCE, PI_NOTE, "Not acknowledged", EXPFILL }},
};
static gint *ett[] = {
&ett_btle,
&ett_advertising_header,
&ett_link_layer_data,
&ett_extended_advertising_header,
&ett_extended_advertising_flags,
&ett_extended_advertising_cte_info,
&ett_extended_advertising_data_info,
&ett_extended_advertising_aux_pointer,
&ett_extended_advertising_sync_info,
&ett_extended_advertising_acad,
&ett_data_header,
&ett_features,
&ett_tx_phys,
&ett_rx_phys,
&ett_m_to_s_phy,
&ett_s_to_m_phy,
&ett_phys,
&ett_pwr_phy,
&ett_cte,
&ett_channel_map,
&ett_scan_response_data,
&ett_pwrflags,
&ett_btle_l2cap_msg_fragment,
&ett_btle_l2cap_msg_fragments,
&ett_btle_ea_host_advertising_data_fragment,
&ett_btle_ea_host_advertising_data_fragments
};
connection_info_tree = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
broadcastiso_connection_info_tree = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
connection_parameter_info_tree = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
adi_to_first_frame_tree = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
proto_btle = proto_register_protocol("Bluetooth Low Energy Link Layer",
"BT LE LL", "btle");
btle_handle = register_dissector("btle", dissect_btle, proto_btle);
proto_register_field_array(proto_btle, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_module = expert_register_protocol(proto_btle);
expert_register_field_array(expert_module, ei, array_length(ei));
module = prefs_register_protocol_subtree("Bluetooth", proto_btle, NULL);
prefs_register_static_text_preference(module, "version",
"Bluetooth LE LL version: 5.0 (Core)",
"Version of protocol supported by this dissector.");
prefs_register_bool_preference(module, "detect_retransmit",
"Detect retransmission",
"Detect retransmission based on SN (Sequence Number)",
&btle_detect_retransmit);
reassembly_table_register(&btle_l2cap_msg_reassembly_table,
&addresses_reassembly_table_functions);
reassembly_table_register(&btle_ea_host_advertising_data_reassembly_table,
&addresses_reassembly_table_functions);
register_init_routine(btle_init);
}
void
proto_reg_handoff_btle(void)
{
btcommon_ad_handle = find_dissector_add_dependency("btcommon.eir_ad.ad", proto_btle);
btcommon_le_channel_map_handle = find_dissector_add_dependency("btcommon.le_channel_map", proto_btle);
btl2cap_handle = find_dissector_add_dependency("btl2cap", proto_btle);
proto_btle_rf = proto_get_id_by_filter_name("btle_rf");
proto_nordic_ble = proto_get_id_by_filter_name("nordic_ble");
dissector_add_uint("bluetooth.encap", WTAP_ENCAP_BLUETOOTH_LE_LL, btle_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:
*/