2 * Routines for Bluetooth Linux Monitor dissection
4 * Copyright 2013, Michal Labedzki for Tieto Corporation
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
10 * SPDX-License-Identifier: GPL-2.0-or-later
15 #include <epan/packet.h>
16 #include <epan/prefs.h>
17 #include <epan/expert.h>
18 #include <wiretap/wtap.h>
20 #include "packet-bluetooth.h"
22 static int proto_hci_mon
;
24 static int hf_adapter_id
;
28 static int hf_bd_addr
;
30 static int hf_manufacturer
;
31 static int hf_system_note
;
32 static int hf_priority
;
33 static int hf_ident_length
;
35 static int hf_message
;
38 static int hf_version
;
39 static int hf_revision
;
41 static int hf_flags_trusted_socket
;
42 static int hf_command_length
;
43 static int hf_command
;
46 static int ett_hci_mon
;
49 static expert_field ei_unknown_data
;
51 static wmem_tree_t
*adapter_to_disconnect_in_frame
;
53 static dissector_handle_t hci_mon_handle
;
54 static dissector_handle_t bthci_cmd_handle
;
55 static dissector_handle_t bthci_evt_handle
;
56 static dissector_handle_t bthci_acl_handle
;
57 static dissector_handle_t bthci_sco_handle
;
58 static dissector_handle_t bthci_iso_handle
;
60 #define OPCODE_NEW_INDEX 0
61 #define OPCODE_DELETE_INDEX 1
62 #define OPCODE_HCI_COMMAND_PKT 2
63 #define OPCODE_HCI_EVENT_PKT 3
64 #define OPCODE_ACL_TX_PACKET 4
65 #define OPCODE_ACL_RX_PACKET 5
66 #define OPCODE_SCO_TX_PACKET 6
67 #define OPCODE_SCO_RX_PACKET 7
68 #define OPCODE_OPEN_INDEX 8
69 #define OPCODE_CLOSE_INDEX 9
70 #define OPCODE_INDEX_INFO 10
71 #define OPCODE_VENDOR_DIAGNOSTIC 11
72 #define OPCODE_SYSTEM_NOTE 12
73 #define OPCODE_USER_LOGGING 13
74 #define OPCODE_CONTROL_OPEN 14
75 #define OPCODE_CONTROL_CLOSE 15
76 #define OPCODE_CONTROL_COMMAND 16
77 #define OPCODE_CONTROL_EVENT 17
78 #define OPCODE_ISO_TX_PACKET 18
79 #define OPCODE_ISO_RX_PACKET 19
81 static const value_string opcode_vals
[] = {
82 { OPCODE_NEW_INDEX
, "New Index" },
83 { OPCODE_DELETE_INDEX
, "Delete Index" },
84 { OPCODE_HCI_COMMAND_PKT
, "HCI Command Packet" },
85 { OPCODE_HCI_EVENT_PKT
, "HCI Event Packet" },
86 { OPCODE_ACL_TX_PACKET
, "ACL Tx Packet" },
87 { OPCODE_ACL_RX_PACKET
, "ACL Rx Packet" },
88 { OPCODE_SCO_TX_PACKET
, "SCO Tx Packet" },
89 { OPCODE_SCO_RX_PACKET
, "SCO Rx Packet" },
90 { OPCODE_OPEN_INDEX
, "Open Index" },
91 { OPCODE_CLOSE_INDEX
, "Close Index" },
92 { OPCODE_INDEX_INFO
, "Index Info" },
93 { OPCODE_VENDOR_DIAGNOSTIC
, "Vendor Diagnostic" },
94 { OPCODE_SYSTEM_NOTE
, "System Note" },
95 { OPCODE_USER_LOGGING
, "User Logging" },
96 { OPCODE_CONTROL_OPEN
, "Control Open" },
97 { OPCODE_CONTROL_CLOSE
, "Control Close" },
98 { OPCODE_CONTROL_COMMAND
, "Control Command" },
99 { OPCODE_CONTROL_EVENT
, "Control Event" },
100 { OPCODE_ISO_TX_PACKET
, "ISO Tx Packet" },
101 { OPCODE_ISO_RX_PACKET
, "ISO Rx Packet" },
104 value_string_ext(hci_mon_opcode_vals_ext
) = VALUE_STRING_EXT_INIT(opcode_vals
);
106 static const value_string type_vals
[] = {
116 static value_string_ext(type_vals_ext
) = VALUE_STRING_EXT_INIT(type_vals
);
118 static const value_string bus_vals
[] = {
123 static value_string_ext(bus_vals_ext
) = VALUE_STRING_EXT_INIT(bus_vals
);
125 #define CTRL_OPEN_RAW 0x0000
126 #define CTRL_OPEN_USER 0x0001
127 #define CTRL_OPEN_CONTROL 0x0002
129 static const value_string format_vals
[] = {
130 { CTRL_OPEN_RAW
, "Rqw" },
131 { CTRL_OPEN_USER
, "User" },
132 { CTRL_OPEN_CONTROL
, "Control" },
135 static value_string_ext(format_vals_ext
) = VALUE_STRING_EXT_INIT(format_vals
);
137 static const value_string priority_vals
[] = {
148 static value_string_ext(priority_vals_ext
) = VALUE_STRING_EXT_INIT(priority_vals
);
150 #define EVENT_COMMAND_COMPLETE 0x0001
151 #define EVENT_COMMAND_STATUS 0x0002
152 #define EVENT_CONTROLLER_ERROR 0x0003
153 #define EVENT_INDEX_ADDED 0x0004
154 #define EVENT_INDEX_REMOVED 0x0005
155 #define EVENT_NEW_SETTINGS 0x0006
156 #define EVENT_CLASS_OF_DEVICE_CHANGED 0x0007
157 #define EVENT_LOCAL_NAME_CHANGED 0x0008
158 #define EVENT_NEW_LINK_KEY 0x0009
159 #define EVENT_NEW_LONG_TERM_KEY 0x000a
160 #define EVENT_DEVICE_CONNECTED 0x000b
161 #define EVENT_DEVICE_DISCONNECTED 0x000c
162 #define EVENT_CONNECT_FAILED 0x000d
163 #define EVENT_PIN_CODE_REQUEST 0x000e
164 #define EVENT_USER_CONFIRMATION_REQUEST 0x000f
165 #define EVENT_USER_PASSKEY_REQUEST 0x0010
166 #define EVENT_AUTHENTICAION_FAILED 0x0011
167 #define EVENT_DEVICE_FOUND 0x0012
168 #define EVENT_DISCOVERING 0x0013
169 #define EVENT_DEVICE_BLOCKED 0x0014
170 #define EVENT_DEVICE_UNBLOCKED 0x0015
171 #define EVENT_DEVICE_UNPAIRED 0x0016
172 #define EVENT_PASSKEY_NOTIFY 0x0017
173 #define EVENT_NEW_IRK 0x0018
174 #define EVENT_NEW_CSRK 0x0019
175 #define EVENT_DEVICE_ADDED 0x001a
176 #define EVENT_DEVICE_REMOVED 0x001b
177 #define EVENT_NEW_CONNECTION_PARAMETER 0x001c
178 #define EVENT_UNCONFIGURED_INDEX_ADDED 0x001d
179 #define EVENT_UNCONFIGURED_INDEX_REMOVED 0x001e
180 #define EVENT_NEW_CONFIGURATION_OPTIONS 0x001f
181 #define EVENT_EXTENDED_INDEX_ADDED 0x0020
182 #define EVENT_EXTENDED_INDEX_REMOVED 0x0021
183 #define EVENT_LOCAL_OUT_OF_BAND_DATA_UPDATED 0x0022
184 #define EVENT_ADVERTISING_ADDED 0x0023
185 #define EVENT_ADVERTISING_REMOVED 0x0024
186 #define EVENT_EXTENDED_INFO_CHANGED 0x0025
187 #define EVENT_PHY_CONFIGURATION_CHANGED 0x0026
189 static const value_string event_vals
[] = {
190 { EVENT_COMMAND_COMPLETE
, "Command complete" },
191 { EVENT_COMMAND_STATUS
, "Command status" },
192 { EVENT_CONTROLLER_ERROR
, "Controller error" },
193 { EVENT_INDEX_ADDED
, "Index added" },
194 { EVENT_INDEX_REMOVED
, "Index removed" },
195 { EVENT_NEW_SETTINGS
, "New settings" },
196 { EVENT_CLASS_OF_DEVICE_CHANGED
, "Class of device changed" },
197 { EVENT_LOCAL_NAME_CHANGED
, "Local name changed" },
198 { EVENT_NEW_LINK_KEY
, "New link key" },
199 { EVENT_NEW_LONG_TERM_KEY
, "New long-term key" },
200 { EVENT_DEVICE_CONNECTED
, "Device connected" },
201 { EVENT_DEVICE_DISCONNECTED
, "Device disconnected" },
202 { EVENT_CONNECT_FAILED
, "Connect failed" },
203 { EVENT_PIN_CODE_REQUEST
, "PIN code request" },
204 { EVENT_USER_CONFIRMATION_REQUEST
, "User confirmation request" },
205 { EVENT_USER_PASSKEY_REQUEST
, "User passkey request" },
206 { EVENT_AUTHENTICAION_FAILED
, "Authentication failed" },
207 { EVENT_DEVICE_FOUND
, "Device found" },
208 { EVENT_DISCOVERING
, "Discovering" },
209 { EVENT_DEVICE_BLOCKED
, "Device blocked" },
210 { EVENT_DEVICE_UNBLOCKED
, "Device unblocked" },
211 { EVENT_DEVICE_UNPAIRED
, "Device unpaired" },
212 { EVENT_PASSKEY_NOTIFY
, "Passkey notify" },
213 { EVENT_NEW_IRK
, "New IRK" },
214 { EVENT_NEW_CSRK
, "New CSRK" },
215 { EVENT_DEVICE_ADDED
, "Device added" },
216 { EVENT_DEVICE_REMOVED
, "Device removed" },
217 { EVENT_NEW_CONNECTION_PARAMETER
, "New connection parameter" },
218 { EVENT_UNCONFIGURED_INDEX_ADDED
, "Unconfigured index added" },
219 { EVENT_UNCONFIGURED_INDEX_REMOVED
, "Unconfigured index removed" },
220 { EVENT_NEW_CONFIGURATION_OPTIONS
, "New configuration options" },
221 { EVENT_EXTENDED_INDEX_ADDED
, "Extended index added" },
222 { EVENT_EXTENDED_INDEX_REMOVED
, "Extended index removed" },
223 { EVENT_LOCAL_OUT_OF_BAND_DATA_UPDATED
, "Local out-of-band data updated" },
224 { EVENT_ADVERTISING_ADDED
, "Advertising added" },
225 { EVENT_ADVERTISING_REMOVED
, "Advertising removed" },
226 { EVENT_EXTENDED_INFO_CHANGED
, "Extended info changed" },
227 { EVENT_PHY_CONFIGURATION_CHANGED
, "PHY configuration changed" },
230 static value_string_ext(event_vals_ext
) = VALUE_STRING_EXT_INIT(event_vals
);
232 void proto_register_hci_mon(void);
233 void proto_reg_handoff_hci_mon(void);
236 dissect_hci_mon(tvbuff_t
*tvb
, packet_info
*pinfo
, proto_tree
*tree
, void *data
)
238 proto_tree
*hci_mon_item
;
239 proto_item
*hci_mon_tree
;
240 proto_item
*sub_item
;
244 bluetooth_data_t
*bluetooth_data
;
246 uint32_t *adapter_disconnect_in_frame
;
247 wmem_tree_t
*subtree
;
248 wmem_tree_key_t key
[4];
249 uint32_t k_interface_id
;
250 uint32_t k_adapter_id
;
251 uint32_t k_frame_number
;
252 uint32_t ident_length
;
253 uint32_t command_length
;
254 static int * const flags_fields
[] = {
255 &hf_flags_trusted_socket
,
259 bluetooth_data
= (bluetooth_data_t
*) data
;
262 * XXX - the raw data sent to a Bluetooth monitor socket has a 6-byte
263 * header, the last 2 bytes of which are a big-endian length field,
264 * giving the length of the payload.
266 * Somehow, the length field disappears.
268 DISSECTOR_ASSERT(bluetooth_data
->previous_protocol_data_type
== BT_PD_BTMON
);
269 adapter_id
= bluetooth_data
->previous_protocol_data
.btmon
->adapter_id
;
270 opcode
= bluetooth_data
->previous_protocol_data
.btmon
->opcode
;
272 if (opcode
== 0x00 || opcode
== 0x01)
273 pinfo
->p2p_dir
= P2P_DIR_RECV
;
275 pinfo
->p2p_dir
= P2P_DIR_RECV
;
277 pinfo
->p2p_dir
= P2P_DIR_SENT
;
279 hci_mon_item
= proto_tree_add_item(tree
, proto_hci_mon
, tvb
, offset
, -1, ENC_NA
);
280 hci_mon_tree
= proto_item_add_subtree(hci_mon_item
, ett_hci_mon
);
282 col_set_str(pinfo
->cinfo
, COL_PROTOCOL
, "HCI_MON");
284 if (opcode
== 0x00 || opcode
== 0x01)
285 col_set_str(pinfo
->cinfo
, COL_INFO
, "Info ");
286 else switch (pinfo
->p2p_dir
) {
289 col_set_str(pinfo
->cinfo
, COL_INFO
, "Sent ");
293 col_set_str(pinfo
->cinfo
, COL_INFO
, "Rcvd ");
297 col_set_str(pinfo
->cinfo
, COL_INFO
, "UnknownDirection ");
301 sub_item
= proto_tree_add_uint(hci_mon_tree
, hf_adapter_id
, tvb
, offset
, 0, adapter_id
);
302 proto_item_set_generated(sub_item
);
304 sub_item
= proto_tree_add_uint(hci_mon_tree
, hf_opcode
, tvb
, offset
, 0, opcode
);
305 proto_item_set_generated(sub_item
);
307 col_append_fstr(pinfo
->cinfo
, COL_INFO
, "Adapter Id: %u, Opcode: %s",
308 adapter_id
, val_to_str_ext(opcode
, &hci_mon_opcode_vals_ext
, "Unknown (%u)"));
310 bluetooth_data
->adapter_id
= adapter_id
;
312 k_interface_id
= bluetooth_data
->interface_id
;
313 k_adapter_id
= adapter_id
;
314 k_frame_number
= pinfo
->num
;
317 key
[0].key
= &k_interface_id
;
319 key
[1].key
= &k_adapter_id
;
321 if (!pinfo
->fd
->visited
&& opcode
== 0x01) { /* Delete Index */
322 uint32_t *disconnect_in_frame
;
325 key
[2].key
= &k_frame_number
;
329 disconnect_in_frame
= wmem_new(wmem_file_scope(), uint32_t);
331 if (disconnect_in_frame
) {
332 *disconnect_in_frame
= pinfo
->num
;
334 wmem_tree_insert32_array(adapter_to_disconnect_in_frame
, key
, disconnect_in_frame
);
341 subtree
= (wmem_tree_t
*) wmem_tree_lookup32_array(adapter_to_disconnect_in_frame
, key
);
342 adapter_disconnect_in_frame
= (subtree
) ? (uint32_t *) wmem_tree_lookup32_le(subtree
, k_frame_number
) : NULL
;
343 if (adapter_disconnect_in_frame
) {
344 bluetooth_data
->adapter_disconnect_in_frame
= adapter_disconnect_in_frame
;
346 bluetooth_data
->adapter_disconnect_in_frame
= &bluetooth_max_disconnect_in_frame
;
349 pinfo
->ptype
= PT_BLUETOOTH
;
351 next_tvb
= tvb_new_subset_remaining(tvb
, offset
);
354 case OPCODE_NEW_INDEX
:
355 proto_tree_add_item(hci_mon_tree
, hf_bus
, tvb
, offset
, 1, ENC_BIG_ENDIAN
);
358 proto_tree_add_item(hci_mon_tree
, hf_type
, tvb
, offset
, 1, ENC_BIG_ENDIAN
);
361 offset
= dissect_bd_addr(hf_bd_addr
, pinfo
, hci_mon_tree
, tvb
, offset
, true, bluetooth_data
->interface_id
, bluetooth_data
->adapter_id
, NULL
);
363 proto_tree_add_item(hci_mon_tree
, hf_name
, tvb
, offset
, 8, ENC_NA
| ENC_ASCII
);
367 case OPCODE_DELETE_INDEX
:
371 case OPCODE_HCI_COMMAND_PKT
:
372 call_dissector_with_data(bthci_cmd_handle
, next_tvb
, pinfo
, tree
, bluetooth_data
);
373 offset
= tvb_reported_length(tvb
);
376 case OPCODE_HCI_EVENT_PKT
:
377 call_dissector_with_data(bthci_evt_handle
, next_tvb
, pinfo
, tree
, bluetooth_data
);
378 offset
= tvb_reported_length(tvb
);
381 case OPCODE_ACL_TX_PACKET
:
382 case OPCODE_ACL_RX_PACKET
:
383 call_dissector_with_data(bthci_acl_handle
, next_tvb
, pinfo
, tree
, bluetooth_data
);
384 offset
= tvb_reported_length(tvb
);
387 case OPCODE_SCO_TX_PACKET
:
388 case OPCODE_SCO_RX_PACKET
:
389 call_dissector_with_data(bthci_sco_handle
, next_tvb
, pinfo
, tree
, bluetooth_data
);
390 offset
= tvb_reported_length(tvb
);
394 case OPCODE_OPEN_INDEX
:
399 case OPCODE_CLOSE_INDEX
:
404 case OPCODE_INDEX_INFO
:
405 offset
= dissect_bd_addr(hf_bd_addr
, pinfo
, hci_mon_tree
, tvb
, offset
, true, bluetooth_data
->interface_id
, bluetooth_data
->adapter_id
, NULL
);
407 proto_tree_add_item(hci_mon_tree
, hf_manufacturer
, tvb
, offset
, 2, ENC_LITTLE_ENDIAN
);
412 case OPCODE_VENDOR_DIAGNOSTIC
:
413 /* XXX - what are the parameters, if any? */
417 case OPCODE_SYSTEM_NOTE
:
419 * XXX - NUL-terminated, so that you always have a NUL at the
420 * end of the message?
422 * Or is it data from userland, which might or might not be
425 * We make it FT_STRINGZPAD, just in case.
427 proto_tree_add_item(hci_mon_tree
, hf_system_note
, tvb
, offset
, tvb_reported_length_remaining(tvb
, offset
), ENC_NA
| ENC_ASCII
);
428 offset
= tvb_reported_length(tvb
);
432 case OPCODE_USER_LOGGING
:
433 proto_tree_add_item(hci_mon_tree
, hf_priority
, tvb
, offset
, 1, ENC_NA
);
436 proto_tree_add_item_ret_uint(hci_mon_tree
, hf_ident_length
, tvb
, offset
, 1, ENC_NA
, &ident_length
);
439 proto_tree_add_item(hci_mon_tree
, hf_ident
, tvb
, offset
, ident_length
, ENC_NA
| ENC_ASCII
);
440 offset
+= ident_length
;
442 proto_tree_add_item(hci_mon_tree
, hf_message
, tvb
, offset
, tvb_reported_length_remaining(tvb
, offset
), ENC_NA
| ENC_ASCII
);
443 offset
= tvb_reported_length(tvb
);
447 case OPCODE_CONTROL_OPEN
:
448 proto_tree_add_item(hci_mon_tree
, hf_cookie
, tvb
, offset
, 4, ENC_LITTLE_ENDIAN
);
451 proto_tree_add_item(hci_mon_tree
, hf_format
, tvb
, offset
, 2, ENC_LITTLE_ENDIAN
);
454 proto_tree_add_item(hci_mon_tree
, hf_version
, tvb
, offset
, 1, ENC_NA
);
455 proto_tree_add_item(hci_mon_tree
, hf_revision
, tvb
, offset
+ 1, 2, ENC_LITTLE_ENDIAN
);
458 proto_tree_add_bitmask(hci_mon_tree
, tvb
, offset
, hf_flags
, ett_flags
,
459 flags_fields
, ENC_LITTLE_ENDIAN
);
462 proto_tree_add_item_ret_uint(hci_mon_tree
, hf_command_length
, tvb
, offset
, 1, ENC_NA
, &command_length
);
466 * XXX - null-padded? We assume so; the Linux kernel code, as of
467 * the 5.3 kernel, always copies TASK_COMM_LEN bytes and sets the
468 * command length to TASK_COMM_LEN.
470 proto_tree_add_item(hci_mon_tree
, hf_command
, tvb
, offset
, command_length
, ENC_NA
| ENC_ASCII
);
471 offset
+= command_length
;
475 case OPCODE_CONTROL_CLOSE
:
476 proto_tree_add_item(hci_mon_tree
, hf_cookie
, tvb
, offset
, 4, ENC_LITTLE_ENDIAN
);
481 case OPCODE_CONTROL_COMMAND
:
482 proto_tree_add_item(hci_mon_tree
, hf_cookie
, tvb
, offset
, 4, ENC_LITTLE_ENDIAN
);
485 /* XXX - different field for this opcode? */
486 proto_tree_add_item(hci_mon_tree
, hf_opcode
, tvb
, offset
, 2, ENC_LITTLE_ENDIAN
);
491 case OPCODE_CONTROL_EVENT
:
492 proto_tree_add_item(hci_mon_tree
, hf_cookie
, tvb
, offset
, 4, ENC_LITTLE_ENDIAN
);
495 proto_tree_add_item(hci_mon_tree
, hf_event
, tvb
, offset
, 2, ENC_LITTLE_ENDIAN
);
498 /* XXX - dissect the payload of the event */
502 case OPCODE_ISO_TX_PACKET
:
503 case OPCODE_ISO_RX_PACKET
:
504 call_dissector_with_data(bthci_iso_handle
, next_tvb
, pinfo
, tree
, bluetooth_data
);
505 offset
= tvb_reported_length(tvb
);
510 if (tvb_reported_length_remaining(tvb
, offset
) > 0) {
511 proto_tree_add_expert(hci_mon_tree
, pinfo
, &ei_unknown_data
, tvb
, offset
, tvb_reported_length_remaining(tvb
, offset
));
512 offset
= tvb_reported_length(tvb
);
515 /* NOTE: Oops... HCI_MON have special packet with length 0, but there is a pseudo-header with certain infos,
516 mark it as dissected */
524 proto_register_hci_mon(void)
527 expert_module_t
*expert_module
;
529 static hf_register_info hf
[] = {
531 { "Adapter ID", "hci_mon.adapter_id",
532 FT_UINT16
, BASE_DEC
, NULL
, 0x00,
536 { "Opcode", "hci_mon.opcode",
537 FT_UINT16
, BASE_DEC
| BASE_EXT_STRING
, &hci_mon_opcode_vals_ext
, 0x00,
541 { "Type", "hci_mon.type",
542 FT_UINT8
, BASE_HEX
| BASE_EXT_STRING
, &type_vals_ext
, 0x00,
546 { "Bus", "hci_mon.bus",
547 FT_UINT8
, BASE_HEX
| BASE_EXT_STRING
, &bus_vals_ext
, 0x00,
551 { "BD_ADDR", "hci_mon.bd_addr",
552 FT_ETHER
, BASE_NONE
, NULL
, 0x0,
556 { "Adapter Name", "hci_mon.adapter_name",
557 FT_STRING
, BASE_NONE
, NULL
, 0x0,
561 { "Manufacturer", "hci_mon.manufacturer",
562 FT_UINT16
, BASE_HEX
, NULL
, 0x0,
566 { "System Note", "hci_mon.system_note",
567 FT_STRINGZPAD
, BASE_NONE
, NULL
, 0x0,
571 { "Priority", "hci_mon.priority",
572 FT_UINT8
, BASE_DEC
| BASE_EXT_STRING
, &priority_vals_ext
, 0x0,
576 { "Ident Length", "hci_mon.ident_length",
577 FT_UINT8
, BASE_DEC
, NULL
, 0x0,
581 { "Ident", "hci_mon.ident",
582 FT_STRING
, BASE_NONE
, NULL
, 0x0,
586 { "Message", "hci_mon.message",
587 FT_STRING
, BASE_NONE
, NULL
, 0x0,
591 { "Cookie", "hci_mon.cookie",
592 FT_UINT32
, BASE_HEX
, NULL
, 0x0,
596 { "Format", "hci_mon.format",
597 FT_UINT16
, BASE_HEX
| BASE_EXT_STRING
, &format_vals_ext
, 0x00,
601 { "Version", "hci_mon.version",
602 FT_UINT8
, BASE_DEC
, NULL
, 0x00,
606 { "Revision", "hci_mon.version_minor",
607 FT_UINT16
, BASE_DEC
, NULL
, 0x00,
611 { "Flags", "hci_mon.flags",
612 FT_UINT32
, BASE_HEX
, NULL
, 0x0,
615 { &hf_flags_trusted_socket
,
616 { "Trusted Socket", "hci_mon.flags.trusted_socket",
617 FT_BOOLEAN
, 32, NULL
, 0x00000001,
620 { &hf_command_length
,
621 { "Command Length", "hci_mon.command_length",
622 FT_UINT8
, BASE_DEC
, NULL
, 0x0,
626 { "Command", "hci_mon.command",
627 FT_STRINGZPAD
, BASE_NONE
, NULL
, 0x0,
631 { "Event", "hci_mon.event",
632 FT_UINT16
, BASE_HEX
| BASE_EXT_STRING
, &event_vals_ext
, 0x0,
637 static ei_register_info ei
[] = {
638 { &ei_unknown_data
, { "hci_mon.unknown_data", PI_PROTOCOL
, PI_WARN
, "Unknown data", EXPFILL
}},
641 static int *ett
[] = {
646 proto_hci_mon
= proto_register_protocol("Bluetooth Linux Monitor Transport", "HCI_MON", "hci_mon");
647 proto_register_field_array(proto_hci_mon
, hf
, array_length(hf
));
648 proto_register_subtree_array(ett
, array_length(ett
));
649 hci_mon_handle
= register_dissector("hci_mon", dissect_hci_mon
, proto_hci_mon
);
651 expert_module
= expert_register_protocol(proto_hci_mon
);
652 expert_register_field_array(expert_module
, ei
, array_length(ei
));
654 adapter_to_disconnect_in_frame
= wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
656 module
= prefs_register_protocol_subtree("Bluetooth", proto_hci_mon
, NULL
);
657 prefs_register_static_text_preference(module
, "bthci_mon.version",
658 "Bluetooth Linux Monitor Transport introduced in BlueZ 5.x",
659 "Version of protocol supported by this dissector.");
663 proto_reg_handoff_hci_mon(void)
665 bthci_cmd_handle
= find_dissector_add_dependency("bthci_cmd", proto_hci_mon
);
666 bthci_evt_handle
= find_dissector_add_dependency("bthci_evt", proto_hci_mon
);
667 bthci_acl_handle
= find_dissector_add_dependency("bthci_acl", proto_hci_mon
);
668 bthci_sco_handle
= find_dissector_add_dependency("bthci_sco", proto_hci_mon
);
669 bthci_iso_handle
= find_dissector_add_dependency("bthci_iso", proto_hci_mon
);
671 dissector_add_uint("bluetooth.encap", WTAP_ENCAP_BLUETOOTH_LINUX_MONITOR
, hci_mon_handle
);
675 * Editor modelines - https://www.wireshark.org/tools/modelines.html
680 * indent-tabs-mode: nil
683 * vi: set shiftwidth=4 tabstop=8 expandtab:
684 * :indentSize=4:tabSize=8:noTabs=true: