2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
28 #define HCI_MAX_ACL_SIZE 1024
29 #define HCI_MAX_SCO_SIZE 255
30 #define HCI_MAX_EVENT_SIZE 260
31 #define HCI_MAX_FRAME_SIZE (HCI_MAX_ACL_SIZE + 4)
33 #define HCI_LINK_KEY_SIZE 16
34 #define HCI_AMP_LINK_KEY_SIZE (2 * HCI_LINK_KEY_SIZE)
36 #define HCI_MAX_AMP_ASSOC_SIZE 672
38 #define HCI_MAX_CSB_DATA_SIZE 252
42 #define HCI_DEV_UNREG 2
44 #define HCI_DEV_DOWN 4
45 #define HCI_DEV_SUSPEND 5
46 #define HCI_DEV_RESUME 6
48 /* HCI notify events */
49 #define HCI_NOTIFY_CONN_ADD 1
50 #define HCI_NOTIFY_CONN_DEL 2
51 #define HCI_NOTIFY_VOICE_SETTING 3
62 /* HCI controller types */
63 #define HCI_BREDR 0x00
66 /* First BR/EDR Controller shall have ID = 0 */
67 #define AMP_ID_BREDR 0x00
69 /* AMP controller types */
70 #define AMP_TYPE_BREDR 0x00
71 #define AMP_TYPE_80211 0x01
73 /* AMP controller status */
74 #define AMP_STATUS_POWERED_DOWN 0x00
75 #define AMP_STATUS_BLUETOOTH_ONLY 0x01
76 #define AMP_STATUS_NO_CAPACITY 0x02
77 #define AMP_STATUS_LOW_CAPACITY 0x03
78 #define AMP_STATUS_MEDIUM_CAPACITY 0x04
79 #define AMP_STATUS_HIGH_CAPACITY 0x05
80 #define AMP_STATUS_FULL_CAPACITY 0x06
82 /* HCI device quirks */
84 /* When this quirk is set, the HCI Reset command is send when
85 * closing the transport instead of when opening it.
87 * This quirk must be set before hci_register_dev is called.
89 HCI_QUIRK_RESET_ON_CLOSE,
91 /* When this quirk is set, the device is turned into a raw-only
92 * device and it will stay in unconfigured state.
94 * This quirk must be set before hci_register_dev is called.
98 /* When this quirk is set, the buffer sizes reported by
99 * HCI Read Buffer Size command are corrected if invalid.
101 * This quirk must be set before hci_register_dev is called.
103 HCI_QUIRK_FIXUP_BUFFER_SIZE,
105 /* When this quirk is set, then a controller that does not
106 * indicate support for Inquiry Result with RSSI is assumed to
107 * support it anyway. Some early Bluetooth 1.2 controllers had
108 * wrongly configured local features that will require forcing
109 * them to enable this mode. Getting RSSI information with the
110 * inquiry responses is preferred since it allows for a better
113 * This quirk must be set before hci_register_dev is called.
115 HCI_QUIRK_FIXUP_INQUIRY_MODE,
117 /* When this quirk is set, then the HCI Read Local Supported
118 * Commands command is not supported. In general Bluetooth 1.2
119 * and later controllers should support this command. However
120 * some controllers indicate Bluetooth 1.2 support, but do
121 * not support this command.
123 * This quirk must be set before hci_register_dev is called.
125 HCI_QUIRK_BROKEN_LOCAL_COMMANDS,
127 /* When this quirk is set, then no stored link key handling
128 * is performed. This is mainly due to the fact that the
129 * HCI Delete Stored Link Key command is advertised, but
132 * This quirk must be set before hci_register_dev is called.
134 HCI_QUIRK_BROKEN_STORED_LINK_KEY,
136 /* When this quirk is set, an external configuration step
137 * is required and will be indicated with the controller
140 * This quirk can be set before hci_register_dev is called or
141 * during the hdev->setup vendor callback.
143 HCI_QUIRK_EXTERNAL_CONFIG,
145 /* When this quirk is set, the public Bluetooth address
146 * initially reported by HCI Read BD Address command
147 * is considered invalid. Controller configuration is
148 * required before this device can be used.
150 * This quirk can be set before hci_register_dev is called or
151 * during the hdev->setup vendor callback.
153 HCI_QUIRK_INVALID_BDADDR,
155 /* When this quirk is set, the duplicate filtering during
156 * scanning is based on Bluetooth devices addresses. To allow
157 * RSSI based updates, restart scanning if needed.
159 * This quirk can be set before hci_register_dev is called or
160 * during the hdev->setup vendor callback.
162 HCI_QUIRK_STRICT_DUPLICATE_FILTER,
165 /* HCI device flags */
183 * BR/EDR and/or LE controller flags: the flags defined here should represent
184 * states from the controller.
211 HCI_ADVERTISING_CONNECTABLE,
214 HCI_LIMITED_DISCOVERABLE,
217 HCI_FAST_CONNECTABLE,
219 HCI_LE_SCAN_INTERRUPTED,
223 HCI_FORCE_STATIC_ADDR,
229 #define HCI_DISCONN_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
230 #define HCI_PAIRING_TIMEOUT msecs_to_jiffies(60000) /* 60 seconds */
231 #define HCI_INIT_TIMEOUT msecs_to_jiffies(10000) /* 10 seconds */
232 #define HCI_CMD_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
233 #define HCI_ACL_TX_TIMEOUT msecs_to_jiffies(45000) /* 45 seconds */
234 #define HCI_AUTO_OFF_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
235 #define HCI_POWER_OFF_TIMEOUT msecs_to_jiffies(5000) /* 5 seconds */
236 #define HCI_LE_CONN_TIMEOUT msecs_to_jiffies(20000) /* 20 seconds */
237 #define HCI_LE_AUTOCONN_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
240 #define HCI_COMMAND_PKT 0x01
241 #define HCI_ACLDATA_PKT 0x02
242 #define HCI_SCODATA_PKT 0x03
243 #define HCI_EVENT_PKT 0x04
244 #define HCI_VENDOR_PKT 0xff
246 /* HCI packet types */
247 #define HCI_DM1 0x0008
248 #define HCI_DM3 0x0400
249 #define HCI_DM5 0x4000
250 #define HCI_DH1 0x0010
251 #define HCI_DH3 0x0800
252 #define HCI_DH5 0x8000
254 #define HCI_HV1 0x0020
255 #define HCI_HV2 0x0040
256 #define HCI_HV3 0x0080
258 #define SCO_PTYPE_MASK (HCI_HV1 | HCI_HV2 | HCI_HV3)
259 #define ACL_PTYPE_MASK (~SCO_PTYPE_MASK)
261 /* eSCO packet types */
262 #define ESCO_HV1 0x0001
263 #define ESCO_HV2 0x0002
264 #define ESCO_HV3 0x0004
265 #define ESCO_EV3 0x0008
266 #define ESCO_EV4 0x0010
267 #define ESCO_EV5 0x0020
268 #define ESCO_2EV3 0x0040
269 #define ESCO_3EV3 0x0080
270 #define ESCO_2EV5 0x0100
271 #define ESCO_3EV5 0x0200
273 #define SCO_ESCO_MASK (ESCO_HV1 | ESCO_HV2 | ESCO_HV3)
274 #define EDR_ESCO_MASK (ESCO_2EV3 | ESCO_3EV3 | ESCO_2EV5 | ESCO_3EV5)
277 #define ACL_START_NO_FLUSH 0x00
278 #define ACL_CONT 0x01
279 #define ACL_START 0x02
280 #define ACL_COMPLETE 0x03
281 #define ACL_ACTIVE_BCAST 0x04
282 #define ACL_PICO_BCAST 0x08
285 #define SCO_LINK 0x00
286 #define ACL_LINK 0x01
287 #define ESCO_LINK 0x02
288 /* Low Energy links do not have defined link type. Use invented one */
290 #define AMP_LINK 0x81
291 #define INVALID_LINK 0xff
294 #define LMP_3SLOT 0x01
295 #define LMP_5SLOT 0x02
296 #define LMP_ENCRYPT 0x04
297 #define LMP_SOFFSET 0x08
298 #define LMP_TACCURACY 0x10
299 #define LMP_RSWITCH 0x20
300 #define LMP_HOLD 0x40
301 #define LMP_SNIFF 0x80
303 #define LMP_PARK 0x01
304 #define LMP_RSSI 0x02
305 #define LMP_QUALITY 0x04
309 #define LMP_ULAW 0x40
310 #define LMP_ALAW 0x80
312 #define LMP_CVSD 0x01
313 #define LMP_PSCHEME 0x02
314 #define LMP_PCONTROL 0x04
315 #define LMP_TRANSPARENT 0x08
317 #define LMP_RSSI_INQ 0x40
318 #define LMP_ESCO 0x80
322 #define LMP_NO_BREDR 0x20
325 #define LMP_SNIFF_SUBR 0x02
326 #define LMP_PAUSE_ENC 0x04
327 #define LMP_EDR_ESCO_2M 0x20
328 #define LMP_EDR_ESCO_3M 0x40
329 #define LMP_EDR_3S_ESCO 0x80
331 #define LMP_EXT_INQ 0x01
332 #define LMP_SIMUL_LE_BR 0x02
333 #define LMP_SIMPLE_PAIR 0x08
334 #define LMP_NO_FLUSH 0x40
336 #define LMP_LSTO 0x01
337 #define LMP_INQ_TX_PWR 0x02
338 #define LMP_EXTFEATURES 0x80
340 /* Extended LMP features */
341 #define LMP_CSB_MASTER 0x01
342 #define LMP_CSB_SLAVE 0x02
343 #define LMP_SYNC_TRAIN 0x04
344 #define LMP_SYNC_SCAN 0x08
347 #define LMP_PING 0x02
350 #define LMP_HOST_SSP 0x01
351 #define LMP_HOST_LE 0x02
352 #define LMP_HOST_LE_BREDR 0x04
353 #define LMP_HOST_SC 0x08
356 #define HCI_LE_ENCRYPTION 0x01
357 #define HCI_LE_CONN_PARAM_REQ_PROC 0x02
358 #define HCI_LE_PING 0x10
359 #define HCI_LE_DATA_LEN_EXT 0x20
360 #define HCI_LE_EXT_SCAN_POLICY 0x80
362 /* Connection modes */
363 #define HCI_CM_ACTIVE 0x0000
364 #define HCI_CM_HOLD 0x0001
365 #define HCI_CM_SNIFF 0x0002
366 #define HCI_CM_PARK 0x0003
369 #define HCI_LP_RSWITCH 0x0001
370 #define HCI_LP_HOLD 0x0002
371 #define HCI_LP_SNIFF 0x0004
372 #define HCI_LP_PARK 0x0008
375 #define HCI_LM_ACCEPT 0x8000
376 #define HCI_LM_MASTER 0x0001
377 #define HCI_LM_AUTH 0x0002
378 #define HCI_LM_ENCRYPT 0x0004
379 #define HCI_LM_TRUSTED 0x0008
380 #define HCI_LM_RELIABLE 0x0010
381 #define HCI_LM_SECURE 0x0020
382 #define HCI_LM_FIPS 0x0040
384 /* Authentication types */
385 #define HCI_AT_NO_BONDING 0x00
386 #define HCI_AT_NO_BONDING_MITM 0x01
387 #define HCI_AT_DEDICATED_BONDING 0x02
388 #define HCI_AT_DEDICATED_BONDING_MITM 0x03
389 #define HCI_AT_GENERAL_BONDING 0x04
390 #define HCI_AT_GENERAL_BONDING_MITM 0x05
392 /* I/O capabilities */
393 #define HCI_IO_DISPLAY_ONLY 0x00
394 #define HCI_IO_DISPLAY_YESNO 0x01
395 #define HCI_IO_KEYBOARD_ONLY 0x02
396 #define HCI_IO_NO_INPUT_OUTPUT 0x03
399 #define HCI_LK_COMBINATION 0x00
400 #define HCI_LK_LOCAL_UNIT 0x01
401 #define HCI_LK_REMOTE_UNIT 0x02
402 #define HCI_LK_DEBUG_COMBINATION 0x03
403 #define HCI_LK_UNAUTH_COMBINATION_P192 0x04
404 #define HCI_LK_AUTH_COMBINATION_P192 0x05
405 #define HCI_LK_CHANGED_COMBINATION 0x06
406 #define HCI_LK_UNAUTH_COMBINATION_P256 0x07
407 #define HCI_LK_AUTH_COMBINATION_P256 0x08
409 /* ---- HCI Error Codes ---- */
410 #define HCI_ERROR_UNKNOWN_CONN_ID 0x02
411 #define HCI_ERROR_AUTH_FAILURE 0x05
412 #define HCI_ERROR_MEMORY_EXCEEDED 0x07
413 #define HCI_ERROR_CONNECTION_TIMEOUT 0x08
414 #define HCI_ERROR_REJ_LIMITED_RESOURCES 0x0d
415 #define HCI_ERROR_REJ_BAD_ADDR 0x0f
416 #define HCI_ERROR_REMOTE_USER_TERM 0x13
417 #define HCI_ERROR_REMOTE_LOW_RESOURCES 0x14
418 #define HCI_ERROR_REMOTE_POWER_OFF 0x15
419 #define HCI_ERROR_LOCAL_HOST_TERM 0x16
420 #define HCI_ERROR_PAIRING_NOT_ALLOWED 0x18
421 #define HCI_ERROR_INVALID_LL_PARAMS 0x1E
422 #define HCI_ERROR_ADVERTISING_TIMEOUT 0x3c
424 /* Flow control modes */
425 #define HCI_FLOW_CTL_MODE_PACKET_BASED 0x00
426 #define HCI_FLOW_CTL_MODE_BLOCK_BASED 0x01
428 /* The core spec defines 127 as the "not available" value */
429 #define HCI_TX_POWER_INVALID 127
430 #define HCI_RSSI_INVALID 127
432 #define HCI_ROLE_MASTER 0x00
433 #define HCI_ROLE_SLAVE 0x01
435 /* Extended Inquiry Response field types */
436 #define EIR_FLAGS 0x01 /* flags */
437 #define EIR_UUID16_SOME 0x02 /* 16-bit UUID, more available */
438 #define EIR_UUID16_ALL 0x03 /* 16-bit UUID, all listed */
439 #define EIR_UUID32_SOME 0x04 /* 32-bit UUID, more available */
440 #define EIR_UUID32_ALL 0x05 /* 32-bit UUID, all listed */
441 #define EIR_UUID128_SOME 0x06 /* 128-bit UUID, more available */
442 #define EIR_UUID128_ALL 0x07 /* 128-bit UUID, all listed */
443 #define EIR_NAME_SHORT 0x08 /* shortened local name */
444 #define EIR_NAME_COMPLETE 0x09 /* complete local name */
445 #define EIR_TX_POWER 0x0A /* transmit power level */
446 #define EIR_CLASS_OF_DEV 0x0D /* Class of Device */
447 #define EIR_SSP_HASH_C 0x0E /* Simple Pairing Hash C */
448 #define EIR_SSP_RAND_R 0x0F /* Simple Pairing Randomizer R */
449 #define EIR_DEVICE_ID 0x10 /* device ID */
451 /* Low Energy Advertising Flags */
452 #define LE_AD_LIMITED 0x01 /* Limited Discoverable */
453 #define LE_AD_GENERAL 0x02 /* General Discoverable */
454 #define LE_AD_NO_BREDR 0x04 /* BR/EDR not supported */
455 #define LE_AD_SIM_LE_BREDR_CTRL 0x08 /* Simultaneous LE & BR/EDR Controller */
456 #define LE_AD_SIM_LE_BREDR_HOST 0x10 /* Simultaneous LE & BR/EDR Host */
458 /* ----- HCI Commands ---- */
459 #define HCI_OP_NOP 0x0000
461 #define HCI_OP_INQUIRY 0x0401
462 struct hci_cp_inquiry {
468 #define HCI_OP_INQUIRY_CANCEL 0x0402
470 #define HCI_OP_PERIODIC_INQ 0x0403
472 #define HCI_OP_EXIT_PERIODIC_INQ 0x0404
474 #define HCI_OP_CREATE_CONN 0x0405
475 struct hci_cp_create_conn {
484 #define HCI_OP_DISCONNECT 0x0406
485 struct hci_cp_disconnect {
490 #define HCI_OP_ADD_SCO 0x0407
491 struct hci_cp_add_sco {
496 #define HCI_OP_CREATE_CONN_CANCEL 0x0408
497 struct hci_cp_create_conn_cancel {
501 #define HCI_OP_ACCEPT_CONN_REQ 0x0409
502 struct hci_cp_accept_conn_req {
507 #define HCI_OP_REJECT_CONN_REQ 0x040a
508 struct hci_cp_reject_conn_req {
513 #define HCI_OP_LINK_KEY_REPLY 0x040b
514 struct hci_cp_link_key_reply {
516 __u8 link_key[HCI_LINK_KEY_SIZE];
519 #define HCI_OP_LINK_KEY_NEG_REPLY 0x040c
520 struct hci_cp_link_key_neg_reply {
524 #define HCI_OP_PIN_CODE_REPLY 0x040d
525 struct hci_cp_pin_code_reply {
530 struct hci_rp_pin_code_reply {
535 #define HCI_OP_PIN_CODE_NEG_REPLY 0x040e
536 struct hci_cp_pin_code_neg_reply {
539 struct hci_rp_pin_code_neg_reply {
544 #define HCI_OP_CHANGE_CONN_PTYPE 0x040f
545 struct hci_cp_change_conn_ptype {
550 #define HCI_OP_AUTH_REQUESTED 0x0411
551 struct hci_cp_auth_requested {
555 #define HCI_OP_SET_CONN_ENCRYPT 0x0413
556 struct hci_cp_set_conn_encrypt {
561 #define HCI_OP_CHANGE_CONN_LINK_KEY 0x0415
562 struct hci_cp_change_conn_link_key {
566 #define HCI_OP_REMOTE_NAME_REQ 0x0419
567 struct hci_cp_remote_name_req {
574 #define HCI_OP_REMOTE_NAME_REQ_CANCEL 0x041a
575 struct hci_cp_remote_name_req_cancel {
579 #define HCI_OP_READ_REMOTE_FEATURES 0x041b
580 struct hci_cp_read_remote_features {
584 #define HCI_OP_READ_REMOTE_EXT_FEATURES 0x041c
585 struct hci_cp_read_remote_ext_features {
590 #define HCI_OP_READ_REMOTE_VERSION 0x041d
591 struct hci_cp_read_remote_version {
595 #define HCI_OP_READ_CLOCK_OFFSET 0x041f
596 struct hci_cp_read_clock_offset {
600 #define HCI_OP_SETUP_SYNC_CONN 0x0428
601 struct hci_cp_setup_sync_conn {
606 __le16 voice_setting;
611 #define HCI_OP_ACCEPT_SYNC_CONN_REQ 0x0429
612 struct hci_cp_accept_sync_conn_req {
617 __le16 content_format;
622 #define HCI_OP_REJECT_SYNC_CONN_REQ 0x042a
623 struct hci_cp_reject_sync_conn_req {
628 #define HCI_OP_IO_CAPABILITY_REPLY 0x042b
629 struct hci_cp_io_capability_reply {
636 #define HCI_OP_USER_CONFIRM_REPLY 0x042c
637 struct hci_cp_user_confirm_reply {
640 struct hci_rp_user_confirm_reply {
645 #define HCI_OP_USER_CONFIRM_NEG_REPLY 0x042d
647 #define HCI_OP_USER_PASSKEY_REPLY 0x042e
648 struct hci_cp_user_passkey_reply {
653 #define HCI_OP_USER_PASSKEY_NEG_REPLY 0x042f
655 #define HCI_OP_REMOTE_OOB_DATA_REPLY 0x0430
656 struct hci_cp_remote_oob_data_reply {
662 #define HCI_OP_REMOTE_OOB_DATA_NEG_REPLY 0x0433
663 struct hci_cp_remote_oob_data_neg_reply {
667 #define HCI_OP_IO_CAPABILITY_NEG_REPLY 0x0434
668 struct hci_cp_io_capability_neg_reply {
673 #define HCI_OP_CREATE_PHY_LINK 0x0435
674 struct hci_cp_create_phy_link {
678 __u8 key[HCI_AMP_LINK_KEY_SIZE];
681 #define HCI_OP_ACCEPT_PHY_LINK 0x0436
682 struct hci_cp_accept_phy_link {
686 __u8 key[HCI_AMP_LINK_KEY_SIZE];
689 #define HCI_OP_DISCONN_PHY_LINK 0x0437
690 struct hci_cp_disconn_phy_link {
695 struct ext_flow_spec {
704 #define HCI_OP_CREATE_LOGICAL_LINK 0x0438
705 #define HCI_OP_ACCEPT_LOGICAL_LINK 0x0439
706 struct hci_cp_create_accept_logical_link {
708 struct ext_flow_spec tx_flow_spec;
709 struct ext_flow_spec rx_flow_spec;
712 #define HCI_OP_DISCONN_LOGICAL_LINK 0x043a
713 struct hci_cp_disconn_logical_link {
717 #define HCI_OP_LOGICAL_LINK_CANCEL 0x043b
718 struct hci_cp_logical_link_cancel {
723 struct hci_rp_logical_link_cancel {
729 #define HCI_OP_SET_CSB 0x0441
730 struct hci_cp_set_csb {
739 struct hci_rp_set_csb {
745 #define HCI_OP_START_SYNC_TRAIN 0x0443
747 #define HCI_OP_REMOTE_OOB_EXT_DATA_REPLY 0x0445
748 struct hci_cp_remote_oob_ext_data_reply {
756 #define HCI_OP_SNIFF_MODE 0x0803
757 struct hci_cp_sniff_mode {
765 #define HCI_OP_EXIT_SNIFF_MODE 0x0804
766 struct hci_cp_exit_sniff_mode {
770 #define HCI_OP_ROLE_DISCOVERY 0x0809
771 struct hci_cp_role_discovery {
774 struct hci_rp_role_discovery {
780 #define HCI_OP_SWITCH_ROLE 0x080b
781 struct hci_cp_switch_role {
786 #define HCI_OP_READ_LINK_POLICY 0x080c
787 struct hci_cp_read_link_policy {
790 struct hci_rp_read_link_policy {
796 #define HCI_OP_WRITE_LINK_POLICY 0x080d
797 struct hci_cp_write_link_policy {
801 struct hci_rp_write_link_policy {
806 #define HCI_OP_READ_DEF_LINK_POLICY 0x080e
807 struct hci_rp_read_def_link_policy {
812 #define HCI_OP_WRITE_DEF_LINK_POLICY 0x080f
813 struct hci_cp_write_def_link_policy {
817 #define HCI_OP_SNIFF_SUBRATE 0x0811
818 struct hci_cp_sniff_subrate {
821 __le16 min_remote_timeout;
822 __le16 min_local_timeout;
825 #define HCI_OP_SET_EVENT_MASK 0x0c01
827 #define HCI_OP_RESET 0x0c03
829 #define HCI_OP_SET_EVENT_FLT 0x0c05
830 struct hci_cp_set_event_flt {
837 #define HCI_FLT_CLEAR_ALL 0x00
838 #define HCI_FLT_INQ_RESULT 0x01
839 #define HCI_FLT_CONN_SETUP 0x02
841 /* CONN_SETUP Condition types */
842 #define HCI_CONN_SETUP_ALLOW_ALL 0x00
843 #define HCI_CONN_SETUP_ALLOW_CLASS 0x01
844 #define HCI_CONN_SETUP_ALLOW_BDADDR 0x02
846 /* CONN_SETUP Conditions */
847 #define HCI_CONN_SETUP_AUTO_OFF 0x01
848 #define HCI_CONN_SETUP_AUTO_ON 0x02
850 #define HCI_OP_READ_STORED_LINK_KEY 0x0c0d
851 struct hci_cp_read_stored_link_key {
855 struct hci_rp_read_stored_link_key {
861 #define HCI_OP_DELETE_STORED_LINK_KEY 0x0c12
862 struct hci_cp_delete_stored_link_key {
866 struct hci_rp_delete_stored_link_key {
871 #define HCI_MAX_NAME_LENGTH 248
873 #define HCI_OP_WRITE_LOCAL_NAME 0x0c13
874 struct hci_cp_write_local_name {
875 __u8 name[HCI_MAX_NAME_LENGTH];
878 #define HCI_OP_READ_LOCAL_NAME 0x0c14
879 struct hci_rp_read_local_name {
881 __u8 name[HCI_MAX_NAME_LENGTH];
884 #define HCI_OP_WRITE_CA_TIMEOUT 0x0c16
886 #define HCI_OP_WRITE_PG_TIMEOUT 0x0c18
888 #define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a
889 #define SCAN_DISABLED 0x00
890 #define SCAN_INQUIRY 0x01
891 #define SCAN_PAGE 0x02
893 #define HCI_OP_READ_AUTH_ENABLE 0x0c1f
895 #define HCI_OP_WRITE_AUTH_ENABLE 0x0c20
896 #define AUTH_DISABLED 0x00
897 #define AUTH_ENABLED 0x01
899 #define HCI_OP_READ_ENCRYPT_MODE 0x0c21
901 #define HCI_OP_WRITE_ENCRYPT_MODE 0x0c22
902 #define ENCRYPT_DISABLED 0x00
903 #define ENCRYPT_P2P 0x01
904 #define ENCRYPT_BOTH 0x02
906 #define HCI_OP_READ_CLASS_OF_DEV 0x0c23
907 struct hci_rp_read_class_of_dev {
912 #define HCI_OP_WRITE_CLASS_OF_DEV 0x0c24
913 struct hci_cp_write_class_of_dev {
917 #define HCI_OP_READ_VOICE_SETTING 0x0c25
918 struct hci_rp_read_voice_setting {
920 __le16 voice_setting;
923 #define HCI_OP_WRITE_VOICE_SETTING 0x0c26
924 struct hci_cp_write_voice_setting {
925 __le16 voice_setting;
928 #define HCI_OP_HOST_BUFFER_SIZE 0x0c33
929 struct hci_cp_host_buffer_size {
936 #define HCI_OP_READ_NUM_SUPPORTED_IAC 0x0c38
937 struct hci_rp_read_num_supported_iac {
942 #define HCI_OP_READ_CURRENT_IAC_LAP 0x0c39
944 #define HCI_OP_WRITE_CURRENT_IAC_LAP 0x0c3a
945 struct hci_cp_write_current_iac_lap {
950 #define HCI_OP_WRITE_INQUIRY_MODE 0x0c45
952 #define HCI_MAX_EIR_LENGTH 240
954 #define HCI_OP_WRITE_EIR 0x0c52
955 struct hci_cp_write_eir {
957 __u8 data[HCI_MAX_EIR_LENGTH];
960 #define HCI_OP_READ_SSP_MODE 0x0c55
961 struct hci_rp_read_ssp_mode {
966 #define HCI_OP_WRITE_SSP_MODE 0x0c56
967 struct hci_cp_write_ssp_mode {
971 #define HCI_OP_READ_LOCAL_OOB_DATA 0x0c57
972 struct hci_rp_read_local_oob_data {
978 #define HCI_OP_READ_INQ_RSP_TX_POWER 0x0c58
979 struct hci_rp_read_inq_rsp_tx_power {
984 #define HCI_OP_SET_EVENT_MASK_PAGE_2 0x0c63
986 #define HCI_OP_READ_LOCATION_DATA 0x0c64
988 #define HCI_OP_READ_FLOW_CONTROL_MODE 0x0c66
989 struct hci_rp_read_flow_control_mode {
994 #define HCI_OP_WRITE_LE_HOST_SUPPORTED 0x0c6d
995 struct hci_cp_write_le_host_supported {
1000 #define HCI_OP_SET_RESERVED_LT_ADDR 0x0c74
1001 struct hci_cp_set_reserved_lt_addr {
1004 struct hci_rp_set_reserved_lt_addr {
1009 #define HCI_OP_DELETE_RESERVED_LT_ADDR 0x0c75
1010 struct hci_cp_delete_reserved_lt_addr {
1013 struct hci_rp_delete_reserved_lt_addr {
1018 #define HCI_OP_SET_CSB_DATA 0x0c76
1019 struct hci_cp_set_csb_data {
1023 __u8 data[HCI_MAX_CSB_DATA_SIZE];
1025 struct hci_rp_set_csb_data {
1030 #define HCI_OP_READ_SYNC_TRAIN_PARAMS 0x0c77
1032 #define HCI_OP_WRITE_SYNC_TRAIN_PARAMS 0x0c78
1033 struct hci_cp_write_sync_train_params {
1034 __le16 interval_min;
1035 __le16 interval_max;
1036 __le32 sync_train_tout;
1039 struct hci_rp_write_sync_train_params {
1041 __le16 sync_train_int;
1044 #define HCI_OP_READ_SC_SUPPORT 0x0c79
1045 struct hci_rp_read_sc_support {
1050 #define HCI_OP_WRITE_SC_SUPPORT 0x0c7a
1051 struct hci_cp_write_sc_support {
1055 #define HCI_OP_READ_LOCAL_OOB_EXT_DATA 0x0c7d
1056 struct hci_rp_read_local_oob_ext_data {
1064 #define HCI_OP_READ_LOCAL_VERSION 0x1001
1065 struct hci_rp_read_local_version {
1070 __le16 manufacturer;
1074 #define HCI_OP_READ_LOCAL_COMMANDS 0x1002
1075 struct hci_rp_read_local_commands {
1080 #define HCI_OP_READ_LOCAL_FEATURES 0x1003
1081 struct hci_rp_read_local_features {
1086 #define HCI_OP_READ_LOCAL_EXT_FEATURES 0x1004
1087 struct hci_cp_read_local_ext_features {
1090 struct hci_rp_read_local_ext_features {
1097 #define HCI_OP_READ_BUFFER_SIZE 0x1005
1098 struct hci_rp_read_buffer_size {
1106 #define HCI_OP_READ_BD_ADDR 0x1009
1107 struct hci_rp_read_bd_addr {
1112 #define HCI_OP_READ_DATA_BLOCK_SIZE 0x100a
1113 struct hci_rp_read_data_block_size {
1120 #define HCI_OP_READ_LOCAL_CODECS 0x100b
1122 #define HCI_OP_READ_PAGE_SCAN_ACTIVITY 0x0c1b
1123 struct hci_rp_read_page_scan_activity {
1129 #define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c
1130 struct hci_cp_write_page_scan_activity {
1135 #define HCI_OP_READ_TX_POWER 0x0c2d
1136 struct hci_cp_read_tx_power {
1140 struct hci_rp_read_tx_power {
1146 #define HCI_OP_READ_PAGE_SCAN_TYPE 0x0c46
1147 struct hci_rp_read_page_scan_type {
1152 #define HCI_OP_WRITE_PAGE_SCAN_TYPE 0x0c47
1153 #define PAGE_SCAN_TYPE_STANDARD 0x00
1154 #define PAGE_SCAN_TYPE_INTERLACED 0x01
1156 #define HCI_OP_READ_RSSI 0x1405
1157 struct hci_cp_read_rssi {
1160 struct hci_rp_read_rssi {
1166 #define HCI_OP_READ_CLOCK 0x1407
1167 struct hci_cp_read_clock {
1171 struct hci_rp_read_clock {
1178 #define HCI_OP_READ_LOCAL_AMP_INFO 0x1409
1179 struct hci_rp_read_local_amp_info {
1188 __le16 max_assoc_size;
1189 __le32 max_flush_to;
1193 #define HCI_OP_READ_LOCAL_AMP_ASSOC 0x140a
1194 struct hci_cp_read_local_amp_assoc {
1199 struct hci_rp_read_local_amp_assoc {
1206 #define HCI_OP_WRITE_REMOTE_AMP_ASSOC 0x140b
1207 struct hci_cp_write_remote_amp_assoc {
1213 struct hci_rp_write_remote_amp_assoc {
1218 #define HCI_OP_GET_MWS_TRANSPORT_CONFIG 0x140c
1220 #define HCI_OP_ENABLE_DUT_MODE 0x1803
1222 #define HCI_OP_WRITE_SSP_DEBUG_MODE 0x1804
1224 #define HCI_OP_LE_SET_EVENT_MASK 0x2001
1225 struct hci_cp_le_set_event_mask {
1229 #define HCI_OP_LE_READ_BUFFER_SIZE 0x2002
1230 struct hci_rp_le_read_buffer_size {
1236 #define HCI_OP_LE_READ_LOCAL_FEATURES 0x2003
1237 struct hci_rp_le_read_local_features {
1242 #define HCI_OP_LE_SET_RANDOM_ADDR 0x2005
1244 #define HCI_OP_LE_SET_ADV_PARAM 0x2006
1245 struct hci_cp_le_set_adv_param {
1246 __le16 min_interval;
1247 __le16 max_interval;
1249 __u8 own_address_type;
1250 __u8 direct_addr_type;
1251 bdaddr_t direct_addr;
1256 #define HCI_OP_LE_READ_ADV_TX_POWER 0x2007
1257 struct hci_rp_le_read_adv_tx_power {
1262 #define HCI_MAX_AD_LENGTH 31
1264 #define HCI_OP_LE_SET_ADV_DATA 0x2008
1265 struct hci_cp_le_set_adv_data {
1267 __u8 data[HCI_MAX_AD_LENGTH];
1270 #define HCI_OP_LE_SET_SCAN_RSP_DATA 0x2009
1271 struct hci_cp_le_set_scan_rsp_data {
1273 __u8 data[HCI_MAX_AD_LENGTH];
1276 #define HCI_OP_LE_SET_ADV_ENABLE 0x200a
1278 #define LE_SCAN_PASSIVE 0x00
1279 #define LE_SCAN_ACTIVE 0x01
1281 #define HCI_OP_LE_SET_SCAN_PARAM 0x200b
1282 struct hci_cp_le_set_scan_param {
1286 __u8 own_address_type;
1290 #define LE_SCAN_DISABLE 0x00
1291 #define LE_SCAN_ENABLE 0x01
1292 #define LE_SCAN_FILTER_DUP_DISABLE 0x00
1293 #define LE_SCAN_FILTER_DUP_ENABLE 0x01
1295 #define HCI_OP_LE_SET_SCAN_ENABLE 0x200c
1296 struct hci_cp_le_set_scan_enable {
1301 #define HCI_LE_USE_PEER_ADDR 0x00
1302 #define HCI_LE_USE_WHITELIST 0x01
1304 #define HCI_OP_LE_CREATE_CONN 0x200d
1305 struct hci_cp_le_create_conn {
1306 __le16 scan_interval;
1309 __u8 peer_addr_type;
1311 __u8 own_address_type;
1312 __le16 conn_interval_min;
1313 __le16 conn_interval_max;
1314 __le16 conn_latency;
1315 __le16 supervision_timeout;
1320 #define HCI_OP_LE_CREATE_CONN_CANCEL 0x200e
1322 #define HCI_OP_LE_READ_WHITE_LIST_SIZE 0x200f
1323 struct hci_rp_le_read_white_list_size {
1328 #define HCI_OP_LE_CLEAR_WHITE_LIST 0x2010
1330 #define HCI_OP_LE_ADD_TO_WHITE_LIST 0x2011
1331 struct hci_cp_le_add_to_white_list {
1336 #define HCI_OP_LE_DEL_FROM_WHITE_LIST 0x2012
1337 struct hci_cp_le_del_from_white_list {
1342 #define HCI_OP_LE_CONN_UPDATE 0x2013
1343 struct hci_cp_le_conn_update {
1345 __le16 conn_interval_min;
1346 __le16 conn_interval_max;
1347 __le16 conn_latency;
1348 __le16 supervision_timeout;
1353 #define HCI_OP_LE_START_ENC 0x2019
1354 struct hci_cp_le_start_enc {
1361 #define HCI_OP_LE_LTK_REPLY 0x201a
1362 struct hci_cp_le_ltk_reply {
1366 struct hci_rp_le_ltk_reply {
1371 #define HCI_OP_LE_LTK_NEG_REPLY 0x201b
1372 struct hci_cp_le_ltk_neg_reply {
1375 struct hci_rp_le_ltk_neg_reply {
1380 #define HCI_OP_LE_READ_SUPPORTED_STATES 0x201c
1381 struct hci_rp_le_read_supported_states {
1386 #define HCI_OP_LE_CONN_PARAM_REQ_REPLY 0x2020
1387 struct hci_cp_le_conn_param_req_reply {
1389 __le16 interval_min;
1390 __le16 interval_max;
1397 #define HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY 0x2021
1398 struct hci_cp_le_conn_param_req_neg_reply {
1403 #define HCI_OP_LE_SET_DATA_LEN 0x2022
1404 struct hci_cp_le_set_data_len {
1409 struct hci_rp_le_set_data_len {
1414 #define HCI_OP_LE_READ_DEF_DATA_LEN 0x2023
1415 struct hci_rp_le_read_def_data_len {
1421 #define HCI_OP_LE_WRITE_DEF_DATA_LEN 0x2024
1422 struct hci_cp_le_write_def_data_len {
1427 #define HCI_OP_LE_READ_MAX_DATA_LEN 0x202f
1428 struct hci_rp_le_read_max_data_len {
1436 /* ---- HCI Events ---- */
1437 #define HCI_EV_INQUIRY_COMPLETE 0x01
1439 #define HCI_EV_INQUIRY_RESULT 0x02
1440 struct inquiry_info {
1442 __u8 pscan_rep_mode;
1443 __u8 pscan_period_mode;
1446 __le16 clock_offset;
1449 #define HCI_EV_CONN_COMPLETE 0x03
1450 struct hci_ev_conn_complete {
1458 #define HCI_EV_CONN_REQUEST 0x04
1459 struct hci_ev_conn_request {
1465 #define HCI_EV_DISCONN_COMPLETE 0x05
1466 struct hci_ev_disconn_complete {
1472 #define HCI_EV_AUTH_COMPLETE 0x06
1473 struct hci_ev_auth_complete {
1478 #define HCI_EV_REMOTE_NAME 0x07
1479 struct hci_ev_remote_name {
1482 __u8 name[HCI_MAX_NAME_LENGTH];
1485 #define HCI_EV_ENCRYPT_CHANGE 0x08
1486 struct hci_ev_encrypt_change {
1492 #define HCI_EV_CHANGE_LINK_KEY_COMPLETE 0x09
1493 struct hci_ev_change_link_key_complete {
1498 #define HCI_EV_REMOTE_FEATURES 0x0b
1499 struct hci_ev_remote_features {
1505 #define HCI_EV_REMOTE_VERSION 0x0c
1506 struct hci_ev_remote_version {
1510 __le16 manufacturer;
1514 #define HCI_EV_QOS_SETUP_COMPLETE 0x0d
1518 __u32 peak_bandwidth;
1520 __u32 delay_variation;
1522 struct hci_ev_qos_setup_complete {
1528 #define HCI_EV_CMD_COMPLETE 0x0e
1529 struct hci_ev_cmd_complete {
1534 #define HCI_EV_CMD_STATUS 0x0f
1535 struct hci_ev_cmd_status {
1541 #define HCI_EV_HARDWARE_ERROR 0x10
1542 struct hci_ev_hardware_error {
1546 #define HCI_EV_ROLE_CHANGE 0x12
1547 struct hci_ev_role_change {
1553 #define HCI_EV_NUM_COMP_PKTS 0x13
1554 struct hci_comp_pkts_info {
1559 struct hci_ev_num_comp_pkts {
1561 struct hci_comp_pkts_info handles[0];
1564 #define HCI_EV_MODE_CHANGE 0x14
1565 struct hci_ev_mode_change {
1572 #define HCI_EV_PIN_CODE_REQ 0x16
1573 struct hci_ev_pin_code_req {
1577 #define HCI_EV_LINK_KEY_REQ 0x17
1578 struct hci_ev_link_key_req {
1582 #define HCI_EV_LINK_KEY_NOTIFY 0x18
1583 struct hci_ev_link_key_notify {
1585 __u8 link_key[HCI_LINK_KEY_SIZE];
1589 #define HCI_EV_CLOCK_OFFSET 0x1c
1590 struct hci_ev_clock_offset {
1593 __le16 clock_offset;
1596 #define HCI_EV_PKT_TYPE_CHANGE 0x1d
1597 struct hci_ev_pkt_type_change {
1603 #define HCI_EV_PSCAN_REP_MODE 0x20
1604 struct hci_ev_pscan_rep_mode {
1606 __u8 pscan_rep_mode;
1609 #define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22
1610 struct inquiry_info_with_rssi {
1612 __u8 pscan_rep_mode;
1613 __u8 pscan_period_mode;
1615 __le16 clock_offset;
1618 struct inquiry_info_with_rssi_and_pscan_mode {
1620 __u8 pscan_rep_mode;
1621 __u8 pscan_period_mode;
1624 __le16 clock_offset;
1628 #define HCI_EV_REMOTE_EXT_FEATURES 0x23
1629 struct hci_ev_remote_ext_features {
1637 #define HCI_EV_SYNC_CONN_COMPLETE 0x2c
1638 struct hci_ev_sync_conn_complete {
1644 __u8 retrans_window;
1650 #define HCI_EV_SYNC_CONN_CHANGED 0x2d
1651 struct hci_ev_sync_conn_changed {
1655 __u8 retrans_window;
1660 #define HCI_EV_SNIFF_SUBRATE 0x2e
1661 struct hci_ev_sniff_subrate {
1664 __le16 max_tx_latency;
1665 __le16 max_rx_latency;
1666 __le16 max_remote_timeout;
1667 __le16 max_local_timeout;
1670 #define HCI_EV_EXTENDED_INQUIRY_RESULT 0x2f
1671 struct extended_inquiry_info {
1673 __u8 pscan_rep_mode;
1674 __u8 pscan_period_mode;
1676 __le16 clock_offset;
1681 #define HCI_EV_KEY_REFRESH_COMPLETE 0x30
1682 struct hci_ev_key_refresh_complete {
1687 #define HCI_EV_IO_CAPA_REQUEST 0x31
1688 struct hci_ev_io_capa_request {
1692 #define HCI_EV_IO_CAPA_REPLY 0x32
1693 struct hci_ev_io_capa_reply {
1697 __u8 authentication;
1700 #define HCI_EV_USER_CONFIRM_REQUEST 0x33
1701 struct hci_ev_user_confirm_req {
1706 #define HCI_EV_USER_PASSKEY_REQUEST 0x34
1707 struct hci_ev_user_passkey_req {
1711 #define HCI_EV_REMOTE_OOB_DATA_REQUEST 0x35
1712 struct hci_ev_remote_oob_data_request {
1716 #define HCI_EV_SIMPLE_PAIR_COMPLETE 0x36
1717 struct hci_ev_simple_pair_complete {
1722 #define HCI_EV_USER_PASSKEY_NOTIFY 0x3b
1723 struct hci_ev_user_passkey_notify {
1728 #define HCI_KEYPRESS_STARTED 0
1729 #define HCI_KEYPRESS_ENTERED 1
1730 #define HCI_KEYPRESS_ERASED 2
1731 #define HCI_KEYPRESS_CLEARED 3
1732 #define HCI_KEYPRESS_COMPLETED 4
1734 #define HCI_EV_KEYPRESS_NOTIFY 0x3c
1735 struct hci_ev_keypress_notify {
1740 #define HCI_EV_REMOTE_HOST_FEATURES 0x3d
1741 struct hci_ev_remote_host_features {
1746 #define HCI_EV_LE_META 0x3e
1747 struct hci_ev_le_meta {
1751 #define HCI_EV_PHY_LINK_COMPLETE 0x40
1752 struct hci_ev_phy_link_complete {
1757 #define HCI_EV_CHANNEL_SELECTED 0x41
1758 struct hci_ev_channel_selected {
1762 #define HCI_EV_DISCONN_PHY_LINK_COMPLETE 0x42
1763 struct hci_ev_disconn_phy_link_complete {
1769 #define HCI_EV_LOGICAL_LINK_COMPLETE 0x45
1770 struct hci_ev_logical_link_complete {
1777 #define HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE 0x46
1778 struct hci_ev_disconn_logical_link_complete {
1784 #define HCI_EV_NUM_COMP_BLOCKS 0x48
1785 struct hci_comp_blocks_info {
1791 struct hci_ev_num_comp_blocks {
1794 struct hci_comp_blocks_info handles[0];
1797 #define HCI_EV_SYNC_TRAIN_COMPLETE 0x4F
1798 struct hci_ev_sync_train_complete {
1802 #define HCI_EV_SLAVE_PAGE_RESP_TIMEOUT 0x54
1804 #define HCI_EV_LE_CONN_COMPLETE 0x01
1805 struct hci_ev_le_conn_complete {
1813 __le16 supervision_timeout;
1817 /* Advertising report event types */
1818 #define LE_ADV_IND 0x00
1819 #define LE_ADV_DIRECT_IND 0x01
1820 #define LE_ADV_SCAN_IND 0x02
1821 #define LE_ADV_NONCONN_IND 0x03
1822 #define LE_ADV_SCAN_RSP 0x04
1824 #define ADDR_LE_DEV_PUBLIC 0x00
1825 #define ADDR_LE_DEV_RANDOM 0x01
1827 #define HCI_EV_LE_ADVERTISING_REPORT 0x02
1828 struct hci_ev_le_advertising_info {
1836 #define HCI_EV_LE_CONN_UPDATE_COMPLETE 0x03
1837 struct hci_ev_le_conn_update_complete {
1842 __le16 supervision_timeout;
1845 #define HCI_EV_LE_LTK_REQ 0x05
1846 struct hci_ev_le_ltk_req {
1852 #define HCI_EV_LE_REMOTE_CONN_PARAM_REQ 0x06
1853 struct hci_ev_le_remote_conn_param_req {
1855 __le16 interval_min;
1856 __le16 interval_max;
1861 #define HCI_EV_LE_DATA_LEN_CHANGE 0x07
1862 struct hci_ev_le_data_len_change {
1870 #define HCI_EV_LE_DIRECT_ADV_REPORT 0x0B
1871 struct hci_ev_le_direct_adv_info {
1875 __u8 direct_addr_type;
1876 bdaddr_t direct_addr;
1880 /* Internal events generated by Bluetooth stack */
1881 #define HCI_EV_STACK_INTERNAL 0xfd
1882 struct hci_ev_stack_internal {
1887 #define HCI_EV_SI_DEVICE 0x01
1888 struct hci_ev_si_device {
1893 #define HCI_EV_SI_SECURITY 0x02
1894 struct hci_ev_si_security {
1901 /* ---- HCI Packet structures ---- */
1902 #define HCI_COMMAND_HDR_SIZE 3
1903 #define HCI_EVENT_HDR_SIZE 2
1904 #define HCI_ACL_HDR_SIZE 4
1905 #define HCI_SCO_HDR_SIZE 3
1907 struct hci_command_hdr {
1908 __le16 opcode; /* OCF & OGF */
1912 struct hci_event_hdr {
1917 struct hci_acl_hdr {
1918 __le16 handle; /* Handle & Flags(PB, BC) */
1922 struct hci_sco_hdr {
1927 static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb)
1929 return (struct hci_event_hdr *) skb->data;
1932 static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb)
1934 return (struct hci_acl_hdr *) skb->data;
1937 static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
1939 return (struct hci_sco_hdr *) skb->data;
1942 /* Command opcode pack/unpack */
1943 #define hci_opcode_pack(ogf, ocf) ((__u16) ((ocf & 0x03ff)|(ogf << 10)))
1944 #define hci_opcode_ogf(op) (op >> 10)
1945 #define hci_opcode_ocf(op) (op & 0x03ff)
1947 /* ACL handle and flags pack/unpack */
1948 #define hci_handle_pack(h, f) ((__u16) ((h & 0x0fff)|(f << 12)))
1949 #define hci_handle(h) (h & 0x0fff)
1950 #define hci_flags(h) (h >> 12)
1952 #endif /* __HCI_H */