2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
6 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License version 2 as
10 published by the Free Software Foundation;
12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
13 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
15 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
16 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
17 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
22 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
23 SOFTWARE IS DISCLAIMED.
29 #include <linux/idr.h>
30 #include <linux/leds.h>
31 #include <linux/rculist.h>
33 #include <net/bluetooth/hci.h>
34 #include <net/bluetooth/hci_sync.h>
35 #include <net/bluetooth/hci_sock.h>
36 #include <net/bluetooth/coredump.h>
39 #define HCI_PRIO_MAX 7
41 /* HCI maximum id value */
42 #define HCI_MAX_ID 10000
44 /* HCI Core structures */
48 __u8 pscan_period_mode;
56 struct inquiry_entry {
57 struct list_head all; /* inq_cache.all */
58 struct list_head list; /* unknown or resolve */
66 struct inquiry_data data;
69 struct discovery_state {
78 struct list_head all; /* All devices found during inquiry */
79 struct list_head unknown; /* Name state not known */
80 struct list_head resolve; /* Name needs to be resolved */
82 bdaddr_t last_adv_addr;
83 u8 last_adv_addr_type;
86 u8 last_adv_data[HCI_MAX_EXT_AD_LENGTH];
88 bool report_invalid_rssi;
89 bool result_filtering;
94 unsigned long scan_start;
95 unsigned long scan_duration;
96 unsigned long name_resolve_timeout;
99 #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
102 SUSPEND_PAUSE_DISCOVERY,
103 SUSPEND_UNPAUSE_DISCOVERY,
105 SUSPEND_PAUSE_ADVERTISING,
106 SUSPEND_UNPAUSE_ADVERTISING,
108 SUSPEND_SCAN_DISABLE,
110 SUSPEND_DISCONNECTING,
112 SUSPEND_POWERING_DOWN,
114 SUSPEND_PREPARE_NOTIFIER,
116 SUSPEND_SET_ADV_FILTER,
120 enum suspended_state {
122 BT_SUSPEND_DISCONNECT,
123 BT_SUSPEND_CONFIGURE_WAKE,
126 struct hci_conn_hash {
127 struct list_head list;
128 unsigned int acl_num;
129 unsigned int amp_num;
130 unsigned int sco_num;
131 unsigned int iso_num;
133 unsigned int le_num_peripheral;
137 struct list_head list;
143 struct list_head list;
150 struct hci_codec_caps caps[];
153 struct bdaddr_list_with_irk {
154 struct list_head list;
161 /* Bitmask of connection flags */
162 enum hci_conn_flags {
163 HCI_CONN_FLAG_REMOTE_WAKEUP = 1,
164 HCI_CONN_FLAG_DEVICE_PRIVACY = 2,
166 typedef u8 hci_conn_flags_t;
168 struct bdaddr_list_with_flags {
169 struct list_head list;
172 hci_conn_flags_t flags;
176 struct list_head list;
183 struct list_head list;
198 struct list_head list;
212 struct list_head list;
222 struct list_head list;
228 u8 val[HCI_LINK_KEY_SIZE];
233 struct list_head list;
244 struct list_head list;
252 __u16 remaining_time;
255 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
256 bool adv_data_changed;
258 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
259 bool scan_rsp_changed;
260 __u16 per_adv_data_len;
261 __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH];
265 bdaddr_t random_addr;
267 struct delayed_work rpa_expired_cb;
270 #define HCI_MAX_ADV_INSTANCES 5
271 #define HCI_DEFAULT_ADV_DURATION 2
273 #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F
275 #define DATA_CMP(_d1, _l1, _d2, _l2) \
276 (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2)
278 #define ADV_DATA_CMP(_adv, _data, _len) \
279 DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len)
281 #define SCAN_RSP_CMP(_adv, _data, _len) \
282 DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len)
284 struct monitored_device {
285 struct list_head list;
294 struct list_head list;
298 __u8 value[HCI_MAX_EXT_AD_LENGTH];
301 struct adv_rssi_thresholds {
304 __u16 low_threshold_timeout;
305 __u16 high_threshold_timeout;
306 __u8 sampling_period;
310 struct list_head patterns;
311 struct adv_rssi_thresholds rssi;
315 ADV_MONITOR_STATE_NOT_REGISTERED,
316 ADV_MONITOR_STATE_REGISTERED,
317 ADV_MONITOR_STATE_OFFLOADED
321 #define HCI_MIN_ADV_MONITOR_HANDLE 1
322 #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32
323 #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16
324 #define HCI_ADV_MONITOR_EXT_NONE 1
325 #define HCI_ADV_MONITOR_EXT_MSFT 2
327 #define HCI_MAX_SHORT_NAME_LENGTH 10
329 #define HCI_CONN_HANDLE_MAX 0x0eff
330 #define HCI_CONN_HANDLE_UNSET(_handle) (_handle > HCI_CONN_HANDLE_MAX)
332 /* Min encryption key size to match with SMP */
333 #define HCI_MIN_ENC_KEY_SIZE 7
335 /* Default LE RPA expiry time, 15 minutes */
336 #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60)
338 /* Default min/max age of connection information (1s/3s) */
339 #define DEFAULT_CONN_INFO_MIN_AGE 1000
340 #define DEFAULT_CONN_INFO_MAX_AGE 3000
341 /* Default authenticated payload timeout 30s */
342 #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8
349 __u8 data[HCI_MAX_AMP_ASSOC_SIZE];
352 #define HCI_MAX_PAGES 3
355 #define HCI_MAX_EIR_MANUFACTURER_DATA_LENGTH 100
359 struct list_head list;
362 struct ida unset_handle_ida;
371 bdaddr_t public_addr;
372 bdaddr_t random_addr;
373 bdaddr_t static_addr;
375 __u8 dev_name[HCI_MAX_NAME_LENGTH];
376 __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
377 __u8 eir[HCI_MAX_EIR_LENGTH];
383 __u8 features[HCI_MAX_PAGES][8];
385 __u8 le_accept_list_size;
386 __u8 le_resolv_list_size;
387 __u8 le_num_of_adv_sets;
389 __u8 mesh_ad_types[16];
399 __u16 stored_max_keys;
400 __u16 stored_num_keys;
403 __u8 err_data_reporting;
404 __u16 page_scan_interval;
405 __u16 page_scan_window;
407 __u8 le_adv_channel_map;
408 __u16 le_adv_min_interval;
409 __u16 le_adv_max_interval;
411 __u16 le_scan_interval;
412 __u16 le_scan_window;
413 __u16 le_scan_int_suspend;
414 __u16 le_scan_window_suspend;
415 __u16 le_scan_int_discovery;
416 __u16 le_scan_window_discovery;
417 __u16 le_scan_int_adv_monitor;
418 __u16 le_scan_window_adv_monitor;
419 __u16 le_scan_int_connect;
420 __u16 le_scan_window_connect;
421 __u16 le_conn_min_interval;
422 __u16 le_conn_max_interval;
423 __u16 le_conn_latency;
424 __u16 le_supv_timeout;
426 __u16 le_def_tx_time;
428 __u16 le_max_tx_time;
430 __u16 le_max_rx_time;
431 __u8 le_max_key_size;
432 __u8 le_min_key_size;
433 __u16 discov_interleaved_timeout;
434 __u16 conn_info_min_age;
435 __u16 conn_info_max_age;
436 __u16 auth_payload_timeout;
437 __u8 min_enc_key_size;
438 __u8 max_enc_key_size;
443 __u16 advmon_allowlist_duration;
444 __u16 advmon_no_filter_duration;
445 __u8 enable_advmon_interleave_scan;
452 __u8 def_page_scan_type;
453 __u16 def_page_scan_int;
454 __u16 def_page_scan_window;
455 __u8 def_inq_scan_type;
456 __u16 def_inq_scan_int;
457 __u16 def_inq_scan_window;
459 __u16 def_page_timeout;
460 __u16 def_multi_adv_rotation_duration;
461 __u16 def_le_autoconnect_timeout;
462 __s8 min_le_tx_power;
463 __s8 max_le_tx_power;
471 __u16 sniff_min_interval;
472 __u16 sniff_max_interval;
477 __u32 amp_min_latency;
481 __u16 amp_assoc_size;
482 __u32 amp_max_flush_to;
483 __u32 amp_be_flush_to;
485 struct amp_assoc loc_assoc;
489 unsigned int auto_accept_delay;
491 unsigned long quirks;
494 unsigned int acl_cnt;
495 unsigned int sco_cnt;
497 unsigned int iso_cnt;
499 unsigned int acl_mtu;
500 unsigned int sco_mtu;
502 unsigned int iso_mtu;
503 unsigned int acl_pkts;
504 unsigned int sco_pkts;
505 unsigned int le_pkts;
506 unsigned int iso_pkts;
513 unsigned long acl_last_tx;
514 unsigned long sco_last_tx;
515 unsigned long le_last_tx;
520 struct workqueue_struct *workqueue;
521 struct workqueue_struct *req_workqueue;
523 struct work_struct power_on;
524 struct delayed_work power_off;
525 struct work_struct error_reset;
526 struct work_struct cmd_sync_work;
527 struct list_head cmd_sync_work_list;
528 struct mutex cmd_sync_work_lock;
529 struct mutex unregister_lock;
530 struct work_struct cmd_sync_cancel_work;
531 struct work_struct reenable_adv_work;
533 __u16 discov_timeout;
534 struct delayed_work discov_off;
536 struct delayed_work service_cache;
538 struct delayed_work cmd_timer;
539 struct delayed_work ncmd_timer;
541 struct work_struct rx_work;
542 struct work_struct cmd_work;
543 struct work_struct tx_work;
545 struct delayed_work le_scan_disable;
546 struct delayed_work le_scan_restart;
548 struct sk_buff_head rx_q;
549 struct sk_buff_head raw_q;
550 struct sk_buff_head cmd_q;
552 struct sk_buff *sent_cmd;
553 struct sk_buff *recv_event;
555 struct mutex req_lock;
556 wait_queue_head_t req_wait_q;
559 struct sk_buff *req_skb;
562 void *smp_bredr_data;
564 struct discovery_state discovery;
566 int discovery_old_state;
567 bool discovery_paused;
568 int advertising_old_state;
569 bool advertising_paused;
571 struct notifier_block suspend_notifier;
572 enum suspended_state suspend_state_next;
573 enum suspended_state suspend_state;
574 bool scanning_paused;
580 struct discovery_state le_discovery;
583 struct hci_conn_hash conn_hash;
585 struct list_head mesh_pending;
586 struct list_head mgmt_pending;
587 struct list_head reject_list;
588 struct list_head accept_list;
589 struct list_head uuids;
590 struct list_head link_keys;
591 struct list_head long_term_keys;
592 struct list_head identity_resolving_keys;
593 struct list_head remote_oob_data;
594 struct list_head le_accept_list;
595 struct list_head le_resolv_list;
596 struct list_head le_conn_params;
597 struct list_head pend_le_conns;
598 struct list_head pend_le_reports;
599 struct list_head blocked_keys;
600 struct list_head local_codecs;
602 struct hci_dev_stats stat;
608 struct dentry *debugfs;
610 struct hci_devcoredump dump;
614 struct rfkill *rfkill;
616 DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
617 hci_conn_flags_t conn_flags;
620 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
622 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
623 __u8 scan_rsp_data_len;
624 __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH];
625 __u8 per_adv_data_len;
627 struct list_head adv_instances;
628 unsigned int adv_instance_cnt;
629 __u8 cur_adv_instance;
630 __u16 adv_instance_timeout;
631 struct delayed_work adv_instance_expire;
633 struct idr adv_monitors_idr;
634 unsigned int adv_monitors_cnt;
638 struct delayed_work rpa_expired;
641 struct delayed_work mesh_send_done;
644 INTERLEAVE_SCAN_NONE,
645 INTERLEAVE_SCAN_NO_FILTER,
646 INTERLEAVE_SCAN_ALLOWLIST
647 } interleave_scan_state;
649 struct delayed_work interleave_scan;
651 struct list_head monitored_devices;
652 bool advmon_pend_notify;
654 #if IS_ENABLED(CONFIG_BT_LEDS)
655 struct led_trigger *power_led;
658 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
661 bool msft_curve_validity;
664 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
666 bool aosp_quality_report;
670 __u8 adv_filter_policy;
672 __u8 manufacturer_len;
673 __u8 manufacturer_data[HCI_MAX_EIR_MANUFACTURER_DATA_LENGTH];
676 int (*open)(struct hci_dev *hdev);
677 int (*close)(struct hci_dev *hdev);
678 int (*flush)(struct hci_dev *hdev);
679 int (*setup)(struct hci_dev *hdev);
680 int (*shutdown)(struct hci_dev *hdev);
681 int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
682 void (*notify)(struct hci_dev *hdev, unsigned int evt);
683 void (*hw_error)(struct hci_dev *hdev, u8 code);
684 int (*post_init)(struct hci_dev *hdev);
685 int (*set_diag)(struct hci_dev *hdev, bool enable);
686 int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
687 void (*cmd_timeout)(struct hci_dev *hdev);
688 void (*reset)(struct hci_dev *hdev);
689 bool (*wakeup)(struct hci_dev *hdev);
690 int (*set_quality_report)(struct hci_dev *hdev, bool enable);
691 int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path);
692 int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type,
693 struct bt_codec *codec, __u8 *vnd_len,
697 #define HCI_PHY_HANDLE(handle) (handle & 0xff)
700 CONN_REASON_PAIR_DEVICE,
701 CONN_REASON_L2CAP_CHAN,
702 CONN_REASON_SCO_CONNECT,
703 CONN_REASON_ISO_CONNECT,
707 struct list_head list;
729 __u8 features[HCI_MAX_PAGES][8];
735 __u8 pending_sec_level;
739 __u32 passkey_notify;
740 __u8 passkey_entered;
744 __u16 auth_payload_timeout;
745 __u16 le_conn_min_interval;
746 __u16 le_conn_max_interval;
747 __u16 le_conn_interval;
748 __u16 le_conn_latency;
749 __u16 le_supv_timeout;
750 __u8 le_adv_data[HCI_MAX_EXT_AD_LENGTH];
751 __u8 le_adv_data_len;
752 __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH];
753 __u8 le_per_adv_data_len;
759 struct bt_iso_qos iso_qos;
762 enum conn_reasons conn_reason;
766 __u16 clock_accuracy;
768 unsigned long conn_info_timestamp;
776 struct sk_buff_head data_q;
777 struct list_head chan_list;
779 struct delayed_work disc_work;
780 struct delayed_work auto_accept_work;
781 struct delayed_work idle_work;
782 struct delayed_work le_conn_timeout;
785 struct dentry *debugfs;
787 struct hci_dev *hdev;
791 struct amp_mgr *amp_mgr;
798 struct list_head link_list;
799 struct hci_conn *parent;
800 struct hci_link *link;
802 struct bt_codec codec;
804 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
805 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
806 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
808 void (*cleanup)(struct hci_conn *conn);
812 struct list_head list;
813 struct hci_conn *conn;
817 struct list_head list;
819 struct hci_conn *conn;
820 struct sk_buff_head data_q;
826 struct hci_conn_params {
827 struct list_head list;
828 struct list_head action;
833 u16 conn_min_interval;
834 u16 conn_max_interval;
836 u16 supervision_timeout;
839 HCI_AUTO_CONN_DISABLED,
840 HCI_AUTO_CONN_REPORT,
841 HCI_AUTO_CONN_DIRECT,
842 HCI_AUTO_CONN_ALWAYS,
843 HCI_AUTO_CONN_LINK_LOSS,
844 HCI_AUTO_CONN_EXPLICIT,
847 struct hci_conn *conn;
848 bool explicit_connect;
849 /* Accessed without hdev->lock: */
850 hci_conn_flags_t flags;
854 extern struct list_head hci_dev_list;
855 extern struct list_head hci_cb_list;
856 extern rwlock_t hci_dev_list_lock;
857 extern struct mutex hci_cb_list_lock;
859 #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags)
860 #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags)
861 #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags)
862 #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags)
863 #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags)
864 #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags)
865 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
867 #define hci_dev_clear_volatile_flags(hdev) \
869 hci_dev_clear_flag(hdev, HCI_LE_SCAN); \
870 hci_dev_clear_flag(hdev, HCI_LE_ADV); \
871 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\
872 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \
873 hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \
876 #define hci_dev_le_state_simultaneous(hdev) \
877 (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \
878 (hdev->le_states[4] & 0x08) && /* Central */ \
879 (hdev->le_states[4] & 0x40) && /* Peripheral */ \
880 (hdev->le_states[3] & 0x10)) /* Simultaneous */
882 /* ----- HCI interface to upper protocols ----- */
883 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
884 int l2cap_disconn_ind(struct hci_conn *hcon);
885 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
887 #if IS_ENABLED(CONFIG_BT_BREDR)
888 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
889 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
891 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
897 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
902 #if IS_ENABLED(CONFIG_BT_LE)
903 int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
904 void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
906 static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
911 static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb,
917 /* ----- Inquiry cache ----- */
918 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
919 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
921 static inline void discovery_init(struct hci_dev *hdev)
923 hdev->discovery.state = DISCOVERY_STOPPED;
924 INIT_LIST_HEAD(&hdev->discovery.all);
925 INIT_LIST_HEAD(&hdev->discovery.unknown);
926 INIT_LIST_HEAD(&hdev->discovery.resolve);
927 hdev->discovery.report_invalid_rssi = true;
928 hdev->discovery.rssi = HCI_RSSI_INVALID;
931 static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
933 hdev->discovery.result_filtering = false;
934 hdev->discovery.report_invalid_rssi = true;
935 hdev->discovery.rssi = HCI_RSSI_INVALID;
936 hdev->discovery.uuid_count = 0;
937 kfree(hdev->discovery.uuids);
938 hdev->discovery.uuids = NULL;
939 hdev->discovery.scan_start = 0;
940 hdev->discovery.scan_duration = 0;
943 bool hci_discovery_active(struct hci_dev *hdev);
945 void hci_discovery_set_state(struct hci_dev *hdev, int state);
947 static inline int inquiry_cache_empty(struct hci_dev *hdev)
949 return list_empty(&hdev->discovery.all);
952 static inline long inquiry_cache_age(struct hci_dev *hdev)
954 struct discovery_state *c = &hdev->discovery;
955 return jiffies - c->timestamp;
958 static inline long inquiry_entry_age(struct inquiry_entry *e)
960 return jiffies - e->timestamp;
963 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
965 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
967 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
970 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
971 struct inquiry_entry *ie);
972 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
974 void hci_inquiry_cache_flush(struct hci_dev *hdev);
976 /* ----- HCI Connections ----- */
978 #define LINK_SUPERVISION_TIMEOUT 0x1F40 /* n * 0.625 = 5 seconds */
979 #endif /* TIZEN_BT */
983 HCI_CONN_ENCRYPT_PEND,
984 HCI_CONN_RSWITCH_PEND,
985 HCI_CONN_MODE_CHANGE_PEND,
986 HCI_CONN_SCO_SETUP_PEND,
987 HCI_CONN_MGMT_CONNECTED,
988 HCI_CONN_SSP_ENABLED,
997 HCI_CONN_STK_ENCRYPT,
998 HCI_CONN_AUTH_INITIATOR,
1001 HCI_CONN_PARAM_REMOVAL_PEND,
1002 HCI_CONN_NEW_LINK_KEY,
1004 HCI_CONN_AUTH_FAILURE,
1006 HCI_CONN_BIG_CREATED,
1007 HCI_CONN_CREATE_CIS,
1009 HCI_CONN_BIG_SYNC_FAILED,
1011 HCI_CONN_PA_SYNC_FAILED,
1014 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
1016 struct hci_dev *hdev = conn->hdev;
1017 return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
1018 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
1021 static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
1023 struct hci_dev *hdev = conn->hdev;
1024 return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
1025 test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
1028 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
1030 struct hci_conn_hash *h = &hdev->conn_hash;
1031 list_add_tail_rcu(&c->list, &h->list);
1041 if (c->role == HCI_ROLE_SLAVE)
1042 h->le_num_peripheral++;
1054 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
1056 struct hci_conn_hash *h = &hdev->conn_hash;
1058 list_del_rcu(&c->list);
1070 if (c->role == HCI_ROLE_SLAVE)
1071 h->le_num_peripheral--;
1083 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
1085 struct hci_conn_hash *h = &hdev->conn_hash;
1103 static inline unsigned int hci_conn_count(struct hci_dev *hdev)
1105 struct hci_conn_hash *c = &hdev->conn_hash;
1107 return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num;
1110 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
1112 struct hci_conn_hash *h = &hdev->conn_hash;
1114 __u8 type = INVALID_LINK;
1118 list_for_each_entry_rcu(c, &h->list, list) {
1119 if (c->handle == handle) {
1130 static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
1131 bdaddr_t *ba, __u8 bis)
1133 struct hci_conn_hash *h = &hdev->conn_hash;
1138 list_for_each_entry_rcu(c, &h->list, list) {
1139 if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
1142 if (c->iso_qos.bcast.bis == bis) {
1152 static inline struct hci_conn *
1153 hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev,
1157 struct hci_conn_hash *h = &hdev->conn_hash;
1162 list_for_each_entry_rcu(c, &h->list, list) {
1163 if (bacmp(&c->dst, ba) || c->type != ISO_LINK ||
1164 !test_bit(HCI_CONN_PER_ADV, &c->flags))
1167 if (c->iso_qos.bcast.big == big &&
1168 c->iso_qos.bcast.bis == bis) {
1178 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
1181 struct hci_conn_hash *h = &hdev->conn_hash;
1186 list_for_each_entry_rcu(c, &h->list, list) {
1187 if (c->handle == handle) {
1197 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
1198 __u8 type, bdaddr_t *ba)
1200 struct hci_conn_hash *h = &hdev->conn_hash;
1205 list_for_each_entry_rcu(c, &h->list, list) {
1206 if (c->type == type && !bacmp(&c->dst, ba)) {
1217 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
1221 struct hci_conn_hash *h = &hdev->conn_hash;
1226 list_for_each_entry_rcu(c, &h->list, list) {
1227 if (c->type != LE_LINK)
1230 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
1241 static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
1247 struct hci_conn_hash *h = &hdev->conn_hash;
1252 list_for_each_entry_rcu(c, &h->list, list) {
1253 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1256 /* Match CIG ID if set */
1257 if (cig != c->iso_qos.ucast.cig)
1260 /* Match CIS ID if set */
1261 if (id != c->iso_qos.ucast.cis)
1264 /* Match destination address if set */
1265 if (!ba || (ba_type == c->dst_type && !bacmp(&c->dst, ba))) {
1276 static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
1279 struct hci_conn_hash *h = &hdev->conn_hash;
1284 list_for_each_entry_rcu(c, &h->list, list) {
1285 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1288 if (handle == c->iso_qos.ucast.cig) {
1299 static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
1302 struct hci_conn_hash *h = &hdev->conn_hash;
1307 list_for_each_entry_rcu(c, &h->list, list) {
1308 if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
1311 if (handle == c->iso_qos.bcast.big) {
1322 static inline struct hci_conn *hci_conn_hash_lookup_big_any_dst(struct hci_dev *hdev,
1325 struct hci_conn_hash *h = &hdev->conn_hash;
1330 list_for_each_entry_rcu(c, &h->list, list) {
1331 if (c->type != ISO_LINK)
1334 if (handle != BT_ISO_QOS_BIG_UNSET && handle == c->iso_qos.bcast.big) {
1345 static inline struct hci_conn *
1346 hci_conn_hash_lookup_pa_sync_big_handle(struct hci_dev *hdev, __u8 big)
1348 struct hci_conn_hash *h = &hdev->conn_hash;
1353 list_for_each_entry_rcu(c, &h->list, list) {
1354 if (c->type != ISO_LINK ||
1355 !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1358 if (c->iso_qos.bcast.big == big) {
1368 static inline struct hci_conn *
1369 hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
1371 struct hci_conn_hash *h = &hdev->conn_hash;
1376 list_for_each_entry_rcu(c, &h->list, list) {
1377 if (c->type != ISO_LINK ||
1378 !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1381 if (c->sync_handle == sync_handle) {
1391 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
1392 __u8 type, __u16 state)
1394 struct hci_conn_hash *h = &hdev->conn_hash;
1399 list_for_each_entry_rcu(c, &h->list, list) {
1400 if (c->type == type && c->state == state) {
1411 typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data);
1412 static inline void hci_conn_hash_list_state(struct hci_dev *hdev,
1413 hci_conn_func_t func, __u8 type,
1414 __u16 state, void *data)
1416 struct hci_conn_hash *h = &hdev->conn_hash;
1424 list_for_each_entry_rcu(c, &h->list, list) {
1425 if (c->type == type && c->state == state)
1432 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)
1434 struct hci_conn_hash *h = &hdev->conn_hash;
1439 list_for_each_entry_rcu(c, &h->list, list) {
1440 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1441 !test_bit(HCI_CONN_SCANNING, &c->flags)) {
1452 /* Returns true if an le connection is in the scanning state */
1453 static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
1455 struct hci_conn_hash *h = &hdev->conn_hash;
1460 list_for_each_entry_rcu(c, &h->list, list) {
1461 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1462 test_bit(HCI_CONN_SCANNING, &c->flags)) {
1474 static inline bool hci_conn_rssi_state_set(struct hci_dev *hdev,
1475 __u8 type, bdaddr_t *ba, bool value)
1477 struct hci_conn_hash *h = &hdev->conn_hash;
1482 conn_type = LE_LINK;
1484 conn_type = ACL_LINK;
1488 list_for_each_entry_rcu(c, &h->list, list) {
1489 if (c->type == conn_type && !bacmp(&c->dst, ba)) {
1490 c->rssi_monitored = value;
1500 static inline void hci_conn_rssi_unset_all(struct hci_dev *hdev,
1503 struct hci_conn_hash *h = &hdev->conn_hash;
1508 conn_type = LE_LINK;
1510 conn_type = ACL_LINK;
1513 list_for_each_entry_rcu(c, &h->list, list) {
1514 if (c->type == conn_type)
1515 c->rssi_monitored = false;
1520 static inline int hci_conn_hash_lookup_rssi_count(struct hci_dev *hdev)
1522 struct hci_conn_hash *h = &hdev->conn_hash;
1527 list_for_each_entry_rcu(c, &h->list, list) {
1528 if (c->rssi_monitored == true)
1536 int hci_conn_change_supervision_timeout(struct hci_conn *conn, __u16 timeout);
1537 bool hci_le_discovery_active(struct hci_dev *hdev);
1538 void hci_le_discovery_set_state(struct hci_dev *hdev, int state);
1540 static inline struct hci_conn *hci_conn_hash_lookup_sco(struct hci_dev *hdev)
1542 struct hci_conn_hash *h = &hdev->conn_hash;
1546 list_for_each_entry_rcu(c, &h->list, list) {
1547 if (c->type == SCO_LINK || c->type == ESCO_LINK) {
1558 int hci_disconnect(struct hci_conn *conn, __u8 reason);
1559 bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
1560 void hci_sco_setup(struct hci_conn *conn, __u8 status);
1561 bool hci_iso_setup_path(struct hci_conn *conn);
1562 int hci_le_create_cis_pending(struct hci_dev *hdev);
1563 int hci_conn_check_create_cis(struct hci_conn *conn);
1565 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
1566 u8 role, u16 handle);
1567 struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type,
1568 bdaddr_t *dst, u8 role);
1569 void hci_conn_del(struct hci_conn *conn);
1570 void hci_conn_hash_flush(struct hci_dev *hdev);
1571 void hci_conn_check_pending(struct hci_dev *hdev);
1573 struct hci_chan *hci_chan_create(struct hci_conn *conn);
1574 void hci_chan_del(struct hci_chan *chan);
1575 void hci_chan_list_flush(struct hci_conn *conn);
1576 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
1578 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
1579 u8 dst_type, u8 sec_level,
1581 enum conn_reasons conn_reason);
1582 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
1583 u8 dst_type, bool dst_resolved, u8 sec_level,
1584 u16 conn_timeout, u8 role);
1585 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
1586 u8 sec_level, u8 auth_type,
1587 enum conn_reasons conn_reason);
1588 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
1589 __u16 setting, struct bt_codec *codec);
1590 struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
1591 __u8 dst_type, struct bt_iso_qos *qos);
1592 struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
1593 struct bt_iso_qos *qos,
1594 __u8 base_len, __u8 *base);
1595 struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
1596 __u8 dst_type, struct bt_iso_qos *qos);
1597 struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
1598 __u8 dst_type, struct bt_iso_qos *qos,
1599 __u8 data_len, __u8 *data);
1600 int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
1601 __u8 sid, struct bt_iso_qos *qos);
1602 int hci_le_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,
1603 struct bt_iso_qos *qos,
1604 __u16 sync_handle, __u8 num_bis, __u8 bis[]);
1605 int hci_conn_check_link_mode(struct hci_conn *conn);
1606 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
1607 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
1609 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1611 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1613 void hci_conn_failed(struct hci_conn *conn, u8 status);
1614 u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle);
1617 * hci_conn_get() and hci_conn_put() are used to control the life-time of an
1618 * "hci_conn" object. They do not guarantee that the hci_conn object is running,
1619 * working or anything else. They just guarantee that the object is available
1620 * and can be dereferenced. So you can use its locks, local variables and any
1621 * other constant data.
1622 * Before accessing runtime data, you _must_ lock the object and then check that
1623 * it is still running. As soon as you release the locks, the connection might
1624 * get dropped, though.
1626 * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control
1627 * how long the underlying connection is held. So every channel that runs on the
1628 * hci_conn object calls this to prevent the connection from disappearing. As
1629 * long as you hold a device, you must also guarantee that you have a valid
1630 * reference to the device via hci_conn_get() (or the initial reference from
1632 * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't
1633 * break because nobody cares for that. But this means, we cannot use
1634 * _get()/_drop() in it, but require the caller to have a valid ref (FIXME).
1637 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)
1639 get_device(&conn->dev);
1643 static inline void hci_conn_put(struct hci_conn *conn)
1645 put_device(&conn->dev);
1648 static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn)
1650 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1652 atomic_inc(&conn->refcnt);
1653 cancel_delayed_work(&conn->disc_work);
1658 static inline void hci_conn_drop(struct hci_conn *conn)
1660 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1662 if (atomic_dec_and_test(&conn->refcnt)) {
1663 unsigned long timeo;
1665 switch (conn->type) {
1668 cancel_delayed_work(&conn->idle_work);
1669 if (conn->state == BT_CONNECTED) {
1670 timeo = conn->disc_timeout;
1679 timeo = conn->disc_timeout;
1687 cancel_delayed_work(&conn->disc_work);
1688 queue_delayed_work(conn->hdev->workqueue,
1689 &conn->disc_work, timeo);
1693 /* ----- HCI Devices ----- */
1694 static inline void hci_dev_put(struct hci_dev *d)
1696 BT_DBG("%s orig refcnt %d", d->name,
1697 kref_read(&d->dev.kobj.kref));
1699 put_device(&d->dev);
1702 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1704 BT_DBG("%s orig refcnt %d", d->name,
1705 kref_read(&d->dev.kobj.kref));
1707 get_device(&d->dev);
1711 #define hci_dev_lock(d) mutex_lock(&d->lock)
1712 #define hci_dev_unlock(d) mutex_unlock(&d->lock)
1714 #define to_hci_dev(d) container_of(d, struct hci_dev, dev)
1715 #define to_hci_conn(c) container_of(c, struct hci_conn, dev)
1717 static inline void *hci_get_drvdata(struct hci_dev *hdev)
1719 return dev_get_drvdata(&hdev->dev);
1722 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
1724 dev_set_drvdata(&hdev->dev, data);
1727 static inline void *hci_get_priv(struct hci_dev *hdev)
1729 return (char *)hdev + sizeof(*hdev);
1732 struct hci_dev *hci_dev_get(int index);
1733 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);
1735 struct hci_dev *hci_alloc_dev_priv(int sizeof_priv);
1737 static inline struct hci_dev *hci_alloc_dev(void)
1739 return hci_alloc_dev_priv(0);
1742 void hci_free_dev(struct hci_dev *hdev);
1743 int hci_register_dev(struct hci_dev *hdev);
1744 void hci_unregister_dev(struct hci_dev *hdev);
1745 void hci_release_dev(struct hci_dev *hdev);
1746 int hci_register_suspend_notifier(struct hci_dev *hdev);
1747 int hci_unregister_suspend_notifier(struct hci_dev *hdev);
1748 int hci_suspend_dev(struct hci_dev *hdev);
1749 int hci_resume_dev(struct hci_dev *hdev);
1750 int hci_reset_dev(struct hci_dev *hdev);
1751 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
1752 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
1753 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
1754 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
1756 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
1758 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
1759 hdev->msft_opcode = opcode;
1763 static inline void hci_set_aosp_capable(struct hci_dev *hdev)
1765 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
1766 hdev->aosp_capable = true;
1770 static inline void hci_devcd_setup(struct hci_dev *hdev)
1772 #ifdef CONFIG_DEV_COREDUMP
1773 INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx);
1774 INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout);
1775 skb_queue_head_init(&hdev->dump.dump_q);
1779 int hci_dev_open(__u16 dev);
1780 int hci_dev_close(__u16 dev);
1781 int hci_dev_do_close(struct hci_dev *hdev);
1782 int hci_dev_reset(__u16 dev);
1783 int hci_dev_reset_stat(__u16 dev);
1784 int hci_dev_cmd(unsigned int cmd, void __user *arg);
1785 int hci_get_dev_list(void __user *arg);
1786 int hci_get_dev_info(void __user *arg);
1787 int hci_get_conn_list(void __user *arg);
1788 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
1789 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1791 u32 get_link_mode(struct hci_conn *conn);
1793 int hci_inquiry(void __user *arg);
1795 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
1796 bdaddr_t *bdaddr, u8 type);
1797 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
1798 struct list_head *list, bdaddr_t *bdaddr,
1800 struct bdaddr_list_with_flags *
1801 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1803 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1804 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1805 u8 type, u8 *peer_irk, u8 *local_irk);
1806 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1807 u8 type, u32 flags);
1808 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1809 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1811 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1813 void hci_bdaddr_list_clear(struct list_head *list);
1815 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
1816 bdaddr_t *addr, u8 addr_type);
1817 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
1818 bdaddr_t *addr, u8 addr_type);
1819 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
1820 void hci_conn_params_clear_disabled(struct hci_dev *hdev);
1821 void hci_conn_params_free(struct hci_conn_params *param);
1823 void hci_pend_le_list_del_init(struct hci_conn_params *param);
1824 void hci_pend_le_list_add(struct hci_conn_params *param,
1825 struct list_head *list);
1826 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
1830 void hci_uuids_clear(struct hci_dev *hdev);
1832 void hci_link_keys_clear(struct hci_dev *hdev);
1833 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1834 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
1835 bdaddr_t *bdaddr, u8 *val, u8 type,
1836 u8 pin_len, bool *persistent);
1837 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1838 u8 addr_type, u8 type, u8 authenticated,
1839 u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
1840 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1841 u8 addr_type, u8 role);
1842 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
1843 void hci_smp_ltks_clear(struct hci_dev *hdev);
1844 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1846 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);
1847 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
1849 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1850 u8 addr_type, u8 val[16], bdaddr_t *rpa);
1851 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
1852 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]);
1853 void hci_blocked_keys_clear(struct hci_dev *hdev);
1854 void hci_smp_irks_clear(struct hci_dev *hdev);
1856 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1858 void hci_remote_oob_data_clear(struct hci_dev *hdev);
1859 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
1860 bdaddr_t *bdaddr, u8 bdaddr_type);
1861 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1862 u8 bdaddr_type, u8 *hash192, u8 *rand192,
1863 u8 *hash256, u8 *rand256);
1864 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1867 void hci_adv_instances_clear(struct hci_dev *hdev);
1868 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);
1869 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);
1870 struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance,
1871 u32 flags, u16 adv_data_len, u8 *adv_data,
1872 u16 scan_rsp_len, u8 *scan_rsp_data,
1873 u16 timeout, u16 duration, s8 tx_power,
1874 u32 min_interval, u32 max_interval,
1876 struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance,
1877 u32 flags, u8 data_len, u8 *data,
1878 u32 min_interval, u32 max_interval);
1879 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
1880 u16 adv_data_len, u8 *adv_data,
1881 u16 scan_rsp_len, u8 *scan_rsp_data);
1882 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
1883 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
1884 u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance);
1885 bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance);
1887 void hci_adv_monitors_clear(struct hci_dev *hdev);
1888 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1889 int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1890 int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle);
1891 int hci_remove_all_adv_monitor(struct hci_dev *hdev);
1892 bool hci_is_adv_monitoring(struct hci_dev *hdev);
1893 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev);
1895 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
1897 void hci_init_sysfs(struct hci_dev *hdev);
1898 void hci_conn_init_sysfs(struct hci_conn *conn);
1899 void hci_conn_add_sysfs(struct hci_conn *conn);
1900 void hci_conn_del_sysfs(struct hci_conn *conn);
1902 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1903 #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent)
1905 /* ----- LMP capabilities ----- */
1906 #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT)
1907 #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH)
1908 #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD)
1909 #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF)
1910 #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK)
1911 #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ)
1912 #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO)
1913 #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR))
1914 #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE)
1915 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)
1916 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)
1917 #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M)
1918 #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ)
1919 #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))
1920 #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR)
1921 #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH)
1922 #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO)
1923 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)
1924 #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES)
1925 #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT)
1926 #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M)
1927 #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M)
1928 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT)
1929 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT)
1931 /* ----- Extended LMP capabilities ----- */
1932 #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL)
1933 #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL)
1934 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)
1935 #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN)
1936 #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC)
1937 #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING)
1939 /* ----- Host capabilities ----- */
1940 #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP)
1941 #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC)
1942 #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE))
1943 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
1945 #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \
1946 !hci_dev_test_flag(dev, HCI_AUTO_OFF))
1947 #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \
1948 hci_dev_test_flag(dev, HCI_SC_ENABLED))
1949 #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \
1950 !hci_dev_test_flag(dev, HCI_RPA_EXPIRED))
1951 #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \
1954 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \
1955 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M))
1957 #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M))
1959 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \
1960 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M))
1962 #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED) && \
1963 !test_bit(HCI_QUIRK_BROKEN_LE_CODED, \
1966 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
1967 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
1969 #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
1971 /* Use LL Privacy based address resolution if supported */
1972 #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \
1973 hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY))
1975 #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \
1976 (hdev->commands[39] & 0x04))
1978 /* Use enhanced synchronous connection if command is supported and its quirk
1981 #define enhanced_sync_conn_capable(dev) \
1982 (((dev)->commands[29] & 0x08) && \
1983 !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks))
1985 /* Use ext scanning if set ext scan param and ext scan enable is supported */
1986 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
1987 ((dev)->commands[37] & 0x40) && \
1988 !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks))
1990 /* Use ext create connection if command is supported */
1991 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80)
1993 /* Extended advertising support */
1994 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))
1996 /* Maximum advertising length */
1997 #define max_adv_len(dev) \
1998 (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH)
2000 /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789:
2002 * C24: Mandatory if the LE Controller supports Connection State and either
2003 * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported
2005 #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \
2006 ext_adv_capable(dev))
2008 /* Periodic advertising support */
2009 #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))
2011 /* CIS Master/Slave and BIS support */
2012 #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev))
2013 #define cis_capable(dev) \
2014 (cis_central_capable(dev) || cis_peripheral_capable(dev))
2015 #define cis_central_capable(dev) \
2016 ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL)
2017 #define cis_peripheral_capable(dev) \
2018 ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL)
2019 #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER)
2020 #define sync_recv_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_SYNC_RECEIVER)
2022 #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \
2023 (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks)))
2025 /* ----- HCI protocols ----- */
2026 #define HCI_PROTO_DEFER 0x01
2028 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
2029 __u8 type, __u8 *flags)
2033 return l2cap_connect_ind(hdev, bdaddr);
2037 return sco_connect_ind(hdev, bdaddr, flags);
2040 return iso_connect_ind(hdev, bdaddr, flags);
2043 BT_ERR("unknown link type %d", type);
2048 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
2050 if (conn->type != ACL_LINK && conn->type != LE_LINK)
2051 return HCI_ERROR_REMOTE_USER_TERM;
2053 return l2cap_disconn_ind(conn);
2056 /* ----- HCI callbacks ----- */
2058 struct list_head list;
2062 void (*connect_cfm) (struct hci_conn *conn, __u8 status);
2063 void (*disconn_cfm) (struct hci_conn *conn, __u8 status);
2064 void (*security_cfm) (struct hci_conn *conn, __u8 status,
2066 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
2067 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
2070 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
2074 mutex_lock(&hci_cb_list_lock);
2075 list_for_each_entry(cb, &hci_cb_list, list) {
2076 if (cb->connect_cfm)
2077 cb->connect_cfm(conn, status);
2079 mutex_unlock(&hci_cb_list_lock);
2081 if (conn->connect_cfm_cb)
2082 conn->connect_cfm_cb(conn, status);
2085 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
2089 mutex_lock(&hci_cb_list_lock);
2090 list_for_each_entry(cb, &hci_cb_list, list) {
2091 if (cb->disconn_cfm)
2092 cb->disconn_cfm(conn, reason);
2094 mutex_unlock(&hci_cb_list_lock);
2096 if (conn->disconn_cfm_cb)
2097 conn->disconn_cfm_cb(conn, reason);
2100 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
2105 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
2108 encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
2110 mutex_lock(&hci_cb_list_lock);
2111 list_for_each_entry(cb, &hci_cb_list, list) {
2112 if (cb->security_cfm)
2113 cb->security_cfm(conn, status, encrypt);
2115 mutex_unlock(&hci_cb_list_lock);
2117 if (conn->security_cfm_cb)
2118 conn->security_cfm_cb(conn, status);
2121 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
2126 if (conn->state == BT_CONFIG) {
2128 conn->state = BT_CONNECTED;
2130 hci_connect_cfm(conn, status);
2131 hci_conn_drop(conn);
2135 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2137 else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
2143 if (conn->sec_level == BT_SECURITY_SDP)
2144 conn->sec_level = BT_SECURITY_LOW;
2146 if (conn->pending_sec_level > conn->sec_level)
2147 conn->sec_level = conn->pending_sec_level;
2150 mutex_lock(&hci_cb_list_lock);
2151 list_for_each_entry(cb, &hci_cb_list, list) {
2152 if (cb->security_cfm)
2153 cb->security_cfm(conn, status, encrypt);
2155 mutex_unlock(&hci_cb_list_lock);
2157 if (conn->security_cfm_cb)
2158 conn->security_cfm_cb(conn, status);
2161 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
2165 mutex_lock(&hci_cb_list_lock);
2166 list_for_each_entry(cb, &hci_cb_list, list) {
2167 if (cb->key_change_cfm)
2168 cb->key_change_cfm(conn, status);
2170 mutex_unlock(&hci_cb_list_lock);
2173 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
2178 mutex_lock(&hci_cb_list_lock);
2179 list_for_each_entry(cb, &hci_cb_list, list) {
2180 if (cb->role_switch_cfm)
2181 cb->role_switch_cfm(conn, status, role);
2183 mutex_unlock(&hci_cb_list_lock);
2186 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
2188 if (addr_type != ADDR_LE_DEV_RANDOM)
2191 if ((bdaddr->b[5] & 0xc0) == 0x40)
2197 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
2199 if (addr_type == ADDR_LE_DEV_PUBLIC)
2202 /* Check for Random Static address type */
2203 if ((addr->b[5] & 0xc0) == 0xc0)
2209 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
2210 bdaddr_t *bdaddr, u8 addr_type)
2212 if (!hci_bdaddr_is_rpa(bdaddr, addr_type))
2215 return hci_find_irk_by_rpa(hdev, bdaddr);
2218 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
2223 if (min > max || min < 6 || max > 3200)
2226 if (to_multiplier < 10 || to_multiplier > 3200)
2229 if (max >= to_multiplier * 8)
2232 max_latency = (to_multiplier * 4 / max) - 1;
2233 if (latency > 499 || latency > max_latency)
2239 int hci_register_cb(struct hci_cb *hcb);
2240 int hci_unregister_cb(struct hci_cb *hcb);
2242 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,
2245 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
2247 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
2248 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
2249 void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb);
2251 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
2252 void *hci_recv_event_data(struct hci_dev *hdev, __u8 event);
2254 u32 hci_conn_get_phy(struct hci_conn *conn);
2256 /* ----- HCI Sockets ----- */
2257 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
2258 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,
2259 int flag, struct sock *skip_sk);
2260 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
2261 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event,
2262 void *data, u16 data_len, ktime_t tstamp,
2263 int flag, struct sock *skip_sk);
2265 void hci_sock_dev_event(struct hci_dev *hdev, int event);
2267 #define HCI_MGMT_VAR_LEN BIT(0)
2268 #define HCI_MGMT_NO_HDEV BIT(1)
2269 #define HCI_MGMT_UNTRUSTED BIT(2)
2270 #define HCI_MGMT_UNCONFIGURED BIT(3)
2271 #define HCI_MGMT_HDEV_OPTIONAL BIT(4)
2273 struct hci_mgmt_handler {
2274 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
2277 unsigned long flags;
2280 struct hci_mgmt_chan {
2281 struct list_head list;
2282 unsigned short channel;
2283 size_t handler_count;
2284 const struct hci_mgmt_handler *handlers;
2286 size_t tizen_handler_count;
2287 const struct hci_mgmt_handler *tizen_handlers;
2289 void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
2292 int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
2293 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
2295 /* Management interface */
2296 #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))
2297 #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \
2298 BIT(BDADDR_LE_RANDOM))
2299 #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \
2300 BIT(BDADDR_LE_PUBLIC) | \
2301 BIT(BDADDR_LE_RANDOM))
2303 /* These LE scan and inquiry parameters were chosen according to LE General
2304 * Discovery Procedure specification.
2306 #define DISCOV_LE_SCAN_WIN 0x12
2307 #define DISCOV_LE_SCAN_INT 0x12
2308 #define DISCOV_LE_TIMEOUT 10240 /* msec */
2309 #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */
2310 #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04
2311 #define DISCOV_BREDR_INQUIRY_LEN 0x08
2312 #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */
2313 #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */
2314 #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */
2315 #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */
2316 #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */
2317 #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */
2318 #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */
2319 #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10)
2321 #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */
2323 void mgmt_fill_version_info(void *ver);
2324 int mgmt_new_settings(struct hci_dev *hdev);
2325 void mgmt_index_added(struct hci_dev *hdev);
2326 void mgmt_index_removed(struct hci_dev *hdev);
2327 void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
2328 void mgmt_power_on(struct hci_dev *hdev, int err);
2329 void __mgmt_power_off(struct hci_dev *hdev);
2330 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
2332 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
2333 u8 *name, u8 name_len);
2334 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
2335 u8 link_type, u8 addr_type, u8 reason,
2336 bool mgmt_connected);
2337 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2338 u8 link_type, u8 addr_type, u8 status);
2339 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2340 u8 addr_type, u8 status);
2341 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
2342 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2344 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2346 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2347 u8 link_type, u8 addr_type, u32 value,
2349 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2350 u8 link_type, u8 addr_type, u8 status);
2351 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2352 u8 link_type, u8 addr_type, u8 status);
2353 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2354 u8 link_type, u8 addr_type);
2355 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2356 u8 link_type, u8 addr_type, u8 status);
2357 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2358 u8 link_type, u8 addr_type, u8 status);
2359 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
2360 u8 link_type, u8 addr_type, u32 passkey,
2362 void mgmt_auth_failed(struct hci_conn *conn, u8 status);
2363 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
2364 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
2366 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
2367 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
2368 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
2369 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2370 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
2371 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len,
2373 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2374 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
2375 void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
2376 void mgmt_suspending(struct hci_dev *hdev, u8 state);
2377 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
2379 bool mgmt_powering_down(struct hci_dev *hdev);
2380 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
2381 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
2382 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
2384 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
2385 u8 bdaddr_type, u8 store_hint, u16 min_interval,
2386 u16 max_interval, u16 latency, u16 timeout);
2387 void mgmt_smp_complete(struct hci_conn *conn, bool complete);
2388 bool mgmt_get_connectable(struct hci_dev *hdev);
2389 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
2390 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
2392 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
2394 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle);
2395 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip);
2396 void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle,
2397 bdaddr_t *bdaddr, u8 addr_type);
2400 void mgmt_rssi_enable_success(struct sock *sk, struct hci_dev *hdev,
2401 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2402 void mgmt_rssi_disable_success(struct sock *sk, struct hci_dev *hdev,
2403 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2404 int mgmt_set_rssi_threshold(struct sock *sk, struct hci_dev *hdev,
2405 void *data, u16 len);
2406 void mgmt_rssi_alert_evt(struct hci_dev *hdev, u16 conn_handle,
2407 s8 alert_type, s8 rssi_dbm);
2408 void mgmt_raw_rssi_response(struct hci_dev *hdev,
2409 struct hci_cc_rp_get_raw_rssi *rp, int success);
2410 void mgmt_enable_rssi_cc(struct hci_dev *hdev, void *response, u8 status);
2411 int mgmt_device_name_update(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name,
2413 void mgmt_le_discovering(struct hci_dev *hdev, u8 discovering);
2414 int mgmt_le_conn_updated(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type,
2415 u8 dst_type, u16 conn_interval, u16 conn_latency,
2416 u16 supervision_timeout);
2417 int mgmt_le_conn_update_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2418 u8 link_type, u8 addr_type, u8 status);
2419 void mgmt_hardware_error(struct hci_dev *hdev, u8 err_code);
2420 void mgmt_tx_timeout_error(struct hci_dev *hdev);
2421 /* Pass adv type in the le device found */
2422 void mgmt_le_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2423 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, u8 *eir,
2424 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, u8 adv_type);
2425 void mgmt_multi_adv_state_change_evt(struct hci_dev *hdev, u8 adv_instance,
2426 u8 state_change_reason, u16 connection_handle);
2427 void mgmt_6lowpan_conn_changed(struct hci_dev *hdev, char if_name[16],
2428 bdaddr_t *bdaddr, u8 addr_type, bool connected);
2429 void mgmt_le_read_maximum_data_length_complete(struct hci_dev *hdev,
2433 int hci_abort_conn(struct hci_conn *conn, u8 reason);
2434 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
2436 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
2437 __u8 ltk[16], __u8 key_size);
2439 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
2442 #define SCO_AIRMODE_MASK 0x0003
2443 #define SCO_AIRMODE_CVSD 0x0000
2444 #define SCO_AIRMODE_TRANSP 0x0003
2446 #define LOCAL_CODEC_ACL_MASK BIT(0)
2447 #define LOCAL_CODEC_SCO_MASK BIT(1)
2449 #define TRANSPORT_TYPE_MAX 0x04
2451 #endif /* __HCI_CORE_H */