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 struct list_head list;
358 struct ida unset_handle_ida;
367 bdaddr_t public_addr;
368 bdaddr_t random_addr;
369 bdaddr_t static_addr;
371 __u8 dev_name[HCI_MAX_NAME_LENGTH];
372 __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
373 __u8 eir[HCI_MAX_EIR_LENGTH];
379 __u8 features[HCI_MAX_PAGES][8];
381 __u8 le_accept_list_size;
382 __u8 le_resolv_list_size;
383 __u8 le_num_of_adv_sets;
385 __u8 mesh_ad_types[16];
395 __u16 stored_max_keys;
396 __u16 stored_num_keys;
399 __u8 err_data_reporting;
400 __u16 page_scan_interval;
401 __u16 page_scan_window;
403 __u8 le_adv_channel_map;
404 __u16 le_adv_min_interval;
405 __u16 le_adv_max_interval;
407 __u16 le_scan_interval;
408 __u16 le_scan_window;
409 __u16 le_scan_int_suspend;
410 __u16 le_scan_window_suspend;
411 __u16 le_scan_int_discovery;
412 __u16 le_scan_window_discovery;
413 __u16 le_scan_int_adv_monitor;
414 __u16 le_scan_window_adv_monitor;
415 __u16 le_scan_int_connect;
416 __u16 le_scan_window_connect;
417 __u16 le_conn_min_interval;
418 __u16 le_conn_max_interval;
419 __u16 le_conn_latency;
420 __u16 le_supv_timeout;
422 __u16 le_def_tx_time;
424 __u16 le_max_tx_time;
426 __u16 le_max_rx_time;
427 __u8 le_max_key_size;
428 __u8 le_min_key_size;
429 __u16 discov_interleaved_timeout;
430 __u16 conn_info_min_age;
431 __u16 conn_info_max_age;
432 __u16 auth_payload_timeout;
433 __u8 min_enc_key_size;
434 __u8 max_enc_key_size;
439 __u16 advmon_allowlist_duration;
440 __u16 advmon_no_filter_duration;
441 __u8 enable_advmon_interleave_scan;
448 __u8 def_page_scan_type;
449 __u16 def_page_scan_int;
450 __u16 def_page_scan_window;
451 __u8 def_inq_scan_type;
452 __u16 def_inq_scan_int;
453 __u16 def_inq_scan_window;
455 __u16 def_page_timeout;
456 __u16 def_multi_adv_rotation_duration;
457 __u16 def_le_autoconnect_timeout;
458 __s8 min_le_tx_power;
459 __s8 max_le_tx_power;
467 __u16 sniff_min_interval;
468 __u16 sniff_max_interval;
473 __u32 amp_min_latency;
477 __u16 amp_assoc_size;
478 __u32 amp_max_flush_to;
479 __u32 amp_be_flush_to;
481 struct amp_assoc loc_assoc;
485 unsigned int auto_accept_delay;
487 unsigned long quirks;
490 unsigned int acl_cnt;
491 unsigned int sco_cnt;
493 unsigned int iso_cnt;
495 unsigned int acl_mtu;
496 unsigned int sco_mtu;
498 unsigned int iso_mtu;
499 unsigned int acl_pkts;
500 unsigned int sco_pkts;
501 unsigned int le_pkts;
502 unsigned int iso_pkts;
509 unsigned long acl_last_tx;
510 unsigned long sco_last_tx;
511 unsigned long le_last_tx;
516 struct workqueue_struct *workqueue;
517 struct workqueue_struct *req_workqueue;
519 struct work_struct power_on;
520 struct delayed_work power_off;
521 struct work_struct error_reset;
522 struct work_struct cmd_sync_work;
523 struct list_head cmd_sync_work_list;
524 struct mutex cmd_sync_work_lock;
525 struct mutex unregister_lock;
526 struct work_struct cmd_sync_cancel_work;
527 struct work_struct reenable_adv_work;
529 __u16 discov_timeout;
530 struct delayed_work discov_off;
532 struct delayed_work service_cache;
534 struct delayed_work cmd_timer;
535 struct delayed_work ncmd_timer;
537 struct work_struct rx_work;
538 struct work_struct cmd_work;
539 struct work_struct tx_work;
541 struct delayed_work le_scan_disable;
542 struct delayed_work le_scan_restart;
544 struct sk_buff_head rx_q;
545 struct sk_buff_head raw_q;
546 struct sk_buff_head cmd_q;
548 struct sk_buff *sent_cmd;
549 struct sk_buff *recv_event;
551 struct mutex req_lock;
552 wait_queue_head_t req_wait_q;
555 struct sk_buff *req_skb;
558 void *smp_bredr_data;
560 struct discovery_state discovery;
562 int discovery_old_state;
563 bool discovery_paused;
564 int advertising_old_state;
565 bool advertising_paused;
567 struct notifier_block suspend_notifier;
568 enum suspended_state suspend_state_next;
569 enum suspended_state suspend_state;
570 bool scanning_paused;
576 struct discovery_state le_discovery;
579 struct hci_conn_hash conn_hash;
581 struct list_head mesh_pending;
582 struct list_head mgmt_pending;
583 struct list_head reject_list;
584 struct list_head accept_list;
585 struct list_head uuids;
586 struct list_head link_keys;
587 struct list_head long_term_keys;
588 struct list_head identity_resolving_keys;
589 struct list_head remote_oob_data;
590 struct list_head le_accept_list;
591 struct list_head le_resolv_list;
592 struct list_head le_conn_params;
593 struct list_head pend_le_conns;
594 struct list_head pend_le_reports;
595 struct list_head blocked_keys;
596 struct list_head local_codecs;
598 struct hci_dev_stats stat;
604 struct dentry *debugfs;
606 struct hci_devcoredump dump;
610 struct rfkill *rfkill;
612 DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
613 hci_conn_flags_t conn_flags;
616 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
618 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
619 __u8 scan_rsp_data_len;
620 __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH];
621 __u8 per_adv_data_len;
623 struct list_head adv_instances;
624 unsigned int adv_instance_cnt;
625 __u8 cur_adv_instance;
626 __u16 adv_instance_timeout;
627 struct delayed_work adv_instance_expire;
629 struct idr adv_monitors_idr;
630 unsigned int adv_monitors_cnt;
634 struct delayed_work rpa_expired;
637 struct delayed_work mesh_send_done;
640 INTERLEAVE_SCAN_NONE,
641 INTERLEAVE_SCAN_NO_FILTER,
642 INTERLEAVE_SCAN_ALLOWLIST
643 } interleave_scan_state;
645 struct delayed_work interleave_scan;
647 struct list_head monitored_devices;
648 bool advmon_pend_notify;
650 #if IS_ENABLED(CONFIG_BT_LEDS)
651 struct led_trigger *power_led;
654 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
657 bool msft_curve_validity;
660 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
662 bool aosp_quality_report;
666 __u8 adv_filter_policy;
670 int (*open)(struct hci_dev *hdev);
671 int (*close)(struct hci_dev *hdev);
672 int (*flush)(struct hci_dev *hdev);
673 int (*setup)(struct hci_dev *hdev);
674 int (*shutdown)(struct hci_dev *hdev);
675 int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
676 void (*notify)(struct hci_dev *hdev, unsigned int evt);
677 void (*hw_error)(struct hci_dev *hdev, u8 code);
678 int (*post_init)(struct hci_dev *hdev);
679 int (*set_diag)(struct hci_dev *hdev, bool enable);
680 int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
681 void (*cmd_timeout)(struct hci_dev *hdev);
682 void (*reset)(struct hci_dev *hdev);
683 bool (*wakeup)(struct hci_dev *hdev);
684 int (*set_quality_report)(struct hci_dev *hdev, bool enable);
685 int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path);
686 int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type,
687 struct bt_codec *codec, __u8 *vnd_len,
691 #define HCI_PHY_HANDLE(handle) (handle & 0xff)
694 CONN_REASON_PAIR_DEVICE,
695 CONN_REASON_L2CAP_CHAN,
696 CONN_REASON_SCO_CONNECT,
697 CONN_REASON_ISO_CONNECT,
701 struct list_head list;
723 __u8 features[HCI_MAX_PAGES][8];
729 __u8 pending_sec_level;
733 __u32 passkey_notify;
734 __u8 passkey_entered;
738 __u16 auth_payload_timeout;
739 __u16 le_conn_min_interval;
740 __u16 le_conn_max_interval;
741 __u16 le_conn_interval;
742 __u16 le_conn_latency;
743 __u16 le_supv_timeout;
744 __u8 le_adv_data[HCI_MAX_EXT_AD_LENGTH];
745 __u8 le_adv_data_len;
746 __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH];
747 __u8 le_per_adv_data_len;
753 struct bt_iso_qos iso_qos;
756 enum conn_reasons conn_reason;
760 __u16 clock_accuracy;
762 unsigned long conn_info_timestamp;
770 struct sk_buff_head data_q;
771 struct list_head chan_list;
773 struct delayed_work disc_work;
774 struct delayed_work auto_accept_work;
775 struct delayed_work idle_work;
776 struct delayed_work le_conn_timeout;
779 struct dentry *debugfs;
781 struct hci_dev *hdev;
785 struct amp_mgr *amp_mgr;
790 struct list_head link_list;
791 struct hci_conn *parent;
792 struct hci_link *link;
794 struct bt_codec codec;
796 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
797 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
798 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
800 void (*cleanup)(struct hci_conn *conn);
804 struct list_head list;
805 struct hci_conn *conn;
809 struct list_head list;
811 struct hci_conn *conn;
812 struct sk_buff_head data_q;
818 struct hci_conn_params {
819 struct list_head list;
820 struct list_head action;
825 u16 conn_min_interval;
826 u16 conn_max_interval;
828 u16 supervision_timeout;
831 HCI_AUTO_CONN_DISABLED,
832 HCI_AUTO_CONN_REPORT,
833 HCI_AUTO_CONN_DIRECT,
834 HCI_AUTO_CONN_ALWAYS,
835 HCI_AUTO_CONN_LINK_LOSS,
836 HCI_AUTO_CONN_EXPLICIT,
839 struct hci_conn *conn;
840 bool explicit_connect;
841 /* Accessed without hdev->lock: */
842 hci_conn_flags_t flags;
846 extern struct list_head hci_dev_list;
847 extern struct list_head hci_cb_list;
848 extern rwlock_t hci_dev_list_lock;
849 extern struct mutex hci_cb_list_lock;
851 #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags)
852 #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags)
853 #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags)
854 #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags)
855 #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags)
856 #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags)
857 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
859 #define hci_dev_clear_volatile_flags(hdev) \
861 hci_dev_clear_flag(hdev, HCI_LE_SCAN); \
862 hci_dev_clear_flag(hdev, HCI_LE_ADV); \
863 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\
864 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \
865 hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \
868 #define hci_dev_le_state_simultaneous(hdev) \
869 (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \
870 (hdev->le_states[4] & 0x08) && /* Central */ \
871 (hdev->le_states[4] & 0x40) && /* Peripheral */ \
872 (hdev->le_states[3] & 0x10)) /* Simultaneous */
874 /* ----- HCI interface to upper protocols ----- */
875 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
876 int l2cap_disconn_ind(struct hci_conn *hcon);
877 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
879 #if IS_ENABLED(CONFIG_BT_BREDR)
880 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
881 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
883 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
889 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
894 #if IS_ENABLED(CONFIG_BT_LE)
895 int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
896 void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
898 static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
903 static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb,
909 /* ----- Inquiry cache ----- */
910 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
911 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
913 static inline void discovery_init(struct hci_dev *hdev)
915 hdev->discovery.state = DISCOVERY_STOPPED;
916 INIT_LIST_HEAD(&hdev->discovery.all);
917 INIT_LIST_HEAD(&hdev->discovery.unknown);
918 INIT_LIST_HEAD(&hdev->discovery.resolve);
919 hdev->discovery.report_invalid_rssi = true;
920 hdev->discovery.rssi = HCI_RSSI_INVALID;
923 static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
925 hdev->discovery.result_filtering = false;
926 hdev->discovery.report_invalid_rssi = true;
927 hdev->discovery.rssi = HCI_RSSI_INVALID;
928 hdev->discovery.uuid_count = 0;
929 kfree(hdev->discovery.uuids);
930 hdev->discovery.uuids = NULL;
931 hdev->discovery.scan_start = 0;
932 hdev->discovery.scan_duration = 0;
935 bool hci_discovery_active(struct hci_dev *hdev);
937 void hci_discovery_set_state(struct hci_dev *hdev, int state);
939 static inline int inquiry_cache_empty(struct hci_dev *hdev)
941 return list_empty(&hdev->discovery.all);
944 static inline long inquiry_cache_age(struct hci_dev *hdev)
946 struct discovery_state *c = &hdev->discovery;
947 return jiffies - c->timestamp;
950 static inline long inquiry_entry_age(struct inquiry_entry *e)
952 return jiffies - e->timestamp;
955 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
957 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
959 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
962 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
963 struct inquiry_entry *ie);
964 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
966 void hci_inquiry_cache_flush(struct hci_dev *hdev);
968 /* ----- HCI Connections ----- */
971 HCI_CONN_ENCRYPT_PEND,
972 HCI_CONN_RSWITCH_PEND,
973 HCI_CONN_MODE_CHANGE_PEND,
974 HCI_CONN_SCO_SETUP_PEND,
975 HCI_CONN_MGMT_CONNECTED,
976 HCI_CONN_SSP_ENABLED,
985 HCI_CONN_STK_ENCRYPT,
986 HCI_CONN_AUTH_INITIATOR,
989 HCI_CONN_PARAM_REMOVAL_PEND,
990 HCI_CONN_NEW_LINK_KEY,
992 HCI_CONN_AUTH_FAILURE,
994 HCI_CONN_BIG_CREATED,
997 HCI_CONN_BIG_SYNC_FAILED,
999 HCI_CONN_PA_SYNC_FAILED,
1002 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
1004 struct hci_dev *hdev = conn->hdev;
1005 return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
1006 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
1009 static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
1011 struct hci_dev *hdev = conn->hdev;
1012 return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
1013 test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
1016 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
1018 struct hci_conn_hash *h = &hdev->conn_hash;
1019 list_add_tail_rcu(&c->list, &h->list);
1029 if (c->role == HCI_ROLE_SLAVE)
1030 h->le_num_peripheral++;
1042 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
1044 struct hci_conn_hash *h = &hdev->conn_hash;
1046 list_del_rcu(&c->list);
1058 if (c->role == HCI_ROLE_SLAVE)
1059 h->le_num_peripheral--;
1071 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
1073 struct hci_conn_hash *h = &hdev->conn_hash;
1091 static inline unsigned int hci_conn_count(struct hci_dev *hdev)
1093 struct hci_conn_hash *c = &hdev->conn_hash;
1095 return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num;
1098 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
1100 struct hci_conn_hash *h = &hdev->conn_hash;
1102 __u8 type = INVALID_LINK;
1106 list_for_each_entry_rcu(c, &h->list, list) {
1107 if (c->handle == handle) {
1118 static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
1119 bdaddr_t *ba, __u8 bis)
1121 struct hci_conn_hash *h = &hdev->conn_hash;
1126 list_for_each_entry_rcu(c, &h->list, list) {
1127 if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
1130 if (c->iso_qos.bcast.bis == bis) {
1140 static inline struct hci_conn *
1141 hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev,
1145 struct hci_conn_hash *h = &hdev->conn_hash;
1150 list_for_each_entry_rcu(c, &h->list, list) {
1151 if (bacmp(&c->dst, ba) || c->type != ISO_LINK ||
1152 !test_bit(HCI_CONN_PER_ADV, &c->flags))
1155 if (c->iso_qos.bcast.big == big &&
1156 c->iso_qos.bcast.bis == bis) {
1166 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
1169 struct hci_conn_hash *h = &hdev->conn_hash;
1174 list_for_each_entry_rcu(c, &h->list, list) {
1175 if (c->handle == handle) {
1185 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
1186 __u8 type, bdaddr_t *ba)
1188 struct hci_conn_hash *h = &hdev->conn_hash;
1193 list_for_each_entry_rcu(c, &h->list, list) {
1194 if (c->type == type && !bacmp(&c->dst, ba)) {
1205 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
1209 struct hci_conn_hash *h = &hdev->conn_hash;
1214 list_for_each_entry_rcu(c, &h->list, list) {
1215 if (c->type != LE_LINK)
1218 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
1229 static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
1235 struct hci_conn_hash *h = &hdev->conn_hash;
1240 list_for_each_entry_rcu(c, &h->list, list) {
1241 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1244 /* Match CIG ID if set */
1245 if (cig != c->iso_qos.ucast.cig)
1248 /* Match CIS ID if set */
1249 if (id != c->iso_qos.ucast.cis)
1252 /* Match destination address if set */
1253 if (!ba || (ba_type == c->dst_type && !bacmp(&c->dst, ba))) {
1264 static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
1267 struct hci_conn_hash *h = &hdev->conn_hash;
1272 list_for_each_entry_rcu(c, &h->list, list) {
1273 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1276 if (handle == c->iso_qos.ucast.cig) {
1287 static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
1290 struct hci_conn_hash *h = &hdev->conn_hash;
1295 list_for_each_entry_rcu(c, &h->list, list) {
1296 if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
1299 if (handle == c->iso_qos.bcast.big) {
1310 static inline struct hci_conn *hci_conn_hash_lookup_big_any_dst(struct hci_dev *hdev,
1313 struct hci_conn_hash *h = &hdev->conn_hash;
1318 list_for_each_entry_rcu(c, &h->list, list) {
1319 if (c->type != ISO_LINK)
1322 if (handle != BT_ISO_QOS_BIG_UNSET && handle == c->iso_qos.bcast.big) {
1333 static inline struct hci_conn *
1334 hci_conn_hash_lookup_pa_sync_big_handle(struct hci_dev *hdev, __u8 big)
1336 struct hci_conn_hash *h = &hdev->conn_hash;
1341 list_for_each_entry_rcu(c, &h->list, list) {
1342 if (c->type != ISO_LINK ||
1343 !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1346 if (c->iso_qos.bcast.big == big) {
1356 static inline struct hci_conn *
1357 hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
1359 struct hci_conn_hash *h = &hdev->conn_hash;
1364 list_for_each_entry_rcu(c, &h->list, list) {
1365 if (c->type != ISO_LINK ||
1366 !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1369 if (c->sync_handle == sync_handle) {
1379 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
1380 __u8 type, __u16 state)
1382 struct hci_conn_hash *h = &hdev->conn_hash;
1387 list_for_each_entry_rcu(c, &h->list, list) {
1388 if (c->type == type && c->state == state) {
1399 typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data);
1400 static inline void hci_conn_hash_list_state(struct hci_dev *hdev,
1401 hci_conn_func_t func, __u8 type,
1402 __u16 state, void *data)
1404 struct hci_conn_hash *h = &hdev->conn_hash;
1412 list_for_each_entry_rcu(c, &h->list, list) {
1413 if (c->type == type && c->state == state)
1420 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)
1422 struct hci_conn_hash *h = &hdev->conn_hash;
1427 list_for_each_entry_rcu(c, &h->list, list) {
1428 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1429 !test_bit(HCI_CONN_SCANNING, &c->flags)) {
1440 /* Returns true if an le connection is in the scanning state */
1441 static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
1443 struct hci_conn_hash *h = &hdev->conn_hash;
1448 list_for_each_entry_rcu(c, &h->list, list) {
1449 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1450 test_bit(HCI_CONN_SCANNING, &c->flags)) {
1462 static inline bool hci_conn_rssi_state_set(struct hci_dev *hdev,
1463 __u8 type, bdaddr_t *ba, bool value)
1465 struct hci_conn_hash *h = &hdev->conn_hash;
1470 conn_type = LE_LINK;
1472 conn_type = ACL_LINK;
1476 list_for_each_entry_rcu(c, &h->list, list) {
1477 if (c->type == conn_type && !bacmp(&c->dst, ba)) {
1478 c->rssi_monitored = value;
1488 static inline void hci_conn_rssi_unset_all(struct hci_dev *hdev,
1491 struct hci_conn_hash *h = &hdev->conn_hash;
1496 conn_type = LE_LINK;
1498 conn_type = ACL_LINK;
1501 list_for_each_entry_rcu(c, &h->list, list) {
1502 if (c->type == conn_type)
1503 c->rssi_monitored = false;
1508 static inline int hci_conn_hash_lookup_rssi_count(struct hci_dev *hdev)
1510 struct hci_conn_hash *h = &hdev->conn_hash;
1515 list_for_each_entry_rcu(c, &h->list, list) {
1516 if (c->rssi_monitored == true)
1524 bool hci_le_discovery_active(struct hci_dev *hdev);
1525 void hci_le_discovery_set_state(struct hci_dev *hdev, int state);
1528 int hci_disconnect(struct hci_conn *conn, __u8 reason);
1529 bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
1530 void hci_sco_setup(struct hci_conn *conn, __u8 status);
1531 bool hci_iso_setup_path(struct hci_conn *conn);
1532 int hci_le_create_cis_pending(struct hci_dev *hdev);
1533 int hci_conn_check_create_cis(struct hci_conn *conn);
1535 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
1536 u8 role, u16 handle);
1537 struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type,
1538 bdaddr_t *dst, u8 role);
1539 void hci_conn_del(struct hci_conn *conn);
1540 void hci_conn_hash_flush(struct hci_dev *hdev);
1541 void hci_conn_check_pending(struct hci_dev *hdev);
1543 struct hci_chan *hci_chan_create(struct hci_conn *conn);
1544 void hci_chan_del(struct hci_chan *chan);
1545 void hci_chan_list_flush(struct hci_conn *conn);
1546 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
1548 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
1549 u8 dst_type, u8 sec_level,
1551 enum conn_reasons conn_reason);
1552 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
1553 u8 dst_type, bool dst_resolved, u8 sec_level,
1554 u16 conn_timeout, u8 role);
1555 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
1556 u8 sec_level, u8 auth_type,
1557 enum conn_reasons conn_reason);
1558 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
1559 __u16 setting, struct bt_codec *codec);
1560 struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
1561 __u8 dst_type, struct bt_iso_qos *qos);
1562 struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
1563 struct bt_iso_qos *qos,
1564 __u8 base_len, __u8 *base);
1565 struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
1566 __u8 dst_type, struct bt_iso_qos *qos);
1567 struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
1568 __u8 dst_type, struct bt_iso_qos *qos,
1569 __u8 data_len, __u8 *data);
1570 int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
1571 __u8 sid, struct bt_iso_qos *qos);
1572 int hci_le_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,
1573 struct bt_iso_qos *qos,
1574 __u16 sync_handle, __u8 num_bis, __u8 bis[]);
1575 int hci_conn_check_link_mode(struct hci_conn *conn);
1576 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
1577 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
1579 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1581 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1583 void hci_conn_failed(struct hci_conn *conn, u8 status);
1584 u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle);
1587 * hci_conn_get() and hci_conn_put() are used to control the life-time of an
1588 * "hci_conn" object. They do not guarantee that the hci_conn object is running,
1589 * working or anything else. They just guarantee that the object is available
1590 * and can be dereferenced. So you can use its locks, local variables and any
1591 * other constant data.
1592 * Before accessing runtime data, you _must_ lock the object and then check that
1593 * it is still running. As soon as you release the locks, the connection might
1594 * get dropped, though.
1596 * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control
1597 * how long the underlying connection is held. So every channel that runs on the
1598 * hci_conn object calls this to prevent the connection from disappearing. As
1599 * long as you hold a device, you must also guarantee that you have a valid
1600 * reference to the device via hci_conn_get() (or the initial reference from
1602 * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't
1603 * break because nobody cares for that. But this means, we cannot use
1604 * _get()/_drop() in it, but require the caller to have a valid ref (FIXME).
1607 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)
1609 get_device(&conn->dev);
1613 static inline void hci_conn_put(struct hci_conn *conn)
1615 put_device(&conn->dev);
1618 static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn)
1620 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1622 atomic_inc(&conn->refcnt);
1623 cancel_delayed_work(&conn->disc_work);
1628 static inline void hci_conn_drop(struct hci_conn *conn)
1630 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1632 if (atomic_dec_and_test(&conn->refcnt)) {
1633 unsigned long timeo;
1635 switch (conn->type) {
1638 cancel_delayed_work(&conn->idle_work);
1639 if (conn->state == BT_CONNECTED) {
1640 timeo = conn->disc_timeout;
1649 timeo = conn->disc_timeout;
1657 cancel_delayed_work(&conn->disc_work);
1658 queue_delayed_work(conn->hdev->workqueue,
1659 &conn->disc_work, timeo);
1663 /* ----- HCI Devices ----- */
1664 static inline void hci_dev_put(struct hci_dev *d)
1666 BT_DBG("%s orig refcnt %d", d->name,
1667 kref_read(&d->dev.kobj.kref));
1669 put_device(&d->dev);
1672 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1674 BT_DBG("%s orig refcnt %d", d->name,
1675 kref_read(&d->dev.kobj.kref));
1677 get_device(&d->dev);
1681 #define hci_dev_lock(d) mutex_lock(&d->lock)
1682 #define hci_dev_unlock(d) mutex_unlock(&d->lock)
1684 #define to_hci_dev(d) container_of(d, struct hci_dev, dev)
1685 #define to_hci_conn(c) container_of(c, struct hci_conn, dev)
1687 static inline void *hci_get_drvdata(struct hci_dev *hdev)
1689 return dev_get_drvdata(&hdev->dev);
1692 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
1694 dev_set_drvdata(&hdev->dev, data);
1697 static inline void *hci_get_priv(struct hci_dev *hdev)
1699 return (char *)hdev + sizeof(*hdev);
1702 struct hci_dev *hci_dev_get(int index);
1703 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);
1705 struct hci_dev *hci_alloc_dev_priv(int sizeof_priv);
1707 static inline struct hci_dev *hci_alloc_dev(void)
1709 return hci_alloc_dev_priv(0);
1712 void hci_free_dev(struct hci_dev *hdev);
1713 int hci_register_dev(struct hci_dev *hdev);
1714 void hci_unregister_dev(struct hci_dev *hdev);
1715 void hci_release_dev(struct hci_dev *hdev);
1716 int hci_register_suspend_notifier(struct hci_dev *hdev);
1717 int hci_unregister_suspend_notifier(struct hci_dev *hdev);
1718 int hci_suspend_dev(struct hci_dev *hdev);
1719 int hci_resume_dev(struct hci_dev *hdev);
1720 int hci_reset_dev(struct hci_dev *hdev);
1721 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
1722 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
1723 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
1724 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
1726 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
1728 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
1729 hdev->msft_opcode = opcode;
1733 static inline void hci_set_aosp_capable(struct hci_dev *hdev)
1735 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
1736 hdev->aosp_capable = true;
1740 static inline void hci_devcd_setup(struct hci_dev *hdev)
1742 #ifdef CONFIG_DEV_COREDUMP
1743 INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx);
1744 INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout);
1745 skb_queue_head_init(&hdev->dump.dump_q);
1749 int hci_dev_open(__u16 dev);
1750 int hci_dev_close(__u16 dev);
1751 int hci_dev_do_close(struct hci_dev *hdev);
1752 int hci_dev_reset(__u16 dev);
1753 int hci_dev_reset_stat(__u16 dev);
1754 int hci_dev_cmd(unsigned int cmd, void __user *arg);
1755 int hci_get_dev_list(void __user *arg);
1756 int hci_get_dev_info(void __user *arg);
1757 int hci_get_conn_list(void __user *arg);
1758 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
1759 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1760 int hci_inquiry(void __user *arg);
1762 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
1763 bdaddr_t *bdaddr, u8 type);
1764 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
1765 struct list_head *list, bdaddr_t *bdaddr,
1767 struct bdaddr_list_with_flags *
1768 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1770 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1771 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1772 u8 type, u8 *peer_irk, u8 *local_irk);
1773 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1774 u8 type, u32 flags);
1775 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1776 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1778 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1780 void hci_bdaddr_list_clear(struct list_head *list);
1782 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
1783 bdaddr_t *addr, u8 addr_type);
1784 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
1785 bdaddr_t *addr, u8 addr_type);
1786 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
1787 void hci_conn_params_clear_disabled(struct hci_dev *hdev);
1788 void hci_conn_params_free(struct hci_conn_params *param);
1790 void hci_pend_le_list_del_init(struct hci_conn_params *param);
1791 void hci_pend_le_list_add(struct hci_conn_params *param,
1792 struct list_head *list);
1793 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
1797 void hci_uuids_clear(struct hci_dev *hdev);
1799 void hci_link_keys_clear(struct hci_dev *hdev);
1800 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1801 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
1802 bdaddr_t *bdaddr, u8 *val, u8 type,
1803 u8 pin_len, bool *persistent);
1804 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1805 u8 addr_type, u8 type, u8 authenticated,
1806 u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
1807 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1808 u8 addr_type, u8 role);
1809 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
1810 void hci_smp_ltks_clear(struct hci_dev *hdev);
1811 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1813 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);
1814 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
1816 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1817 u8 addr_type, u8 val[16], bdaddr_t *rpa);
1818 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
1819 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]);
1820 void hci_blocked_keys_clear(struct hci_dev *hdev);
1821 void hci_smp_irks_clear(struct hci_dev *hdev);
1823 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1825 void hci_remote_oob_data_clear(struct hci_dev *hdev);
1826 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
1827 bdaddr_t *bdaddr, u8 bdaddr_type);
1828 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1829 u8 bdaddr_type, u8 *hash192, u8 *rand192,
1830 u8 *hash256, u8 *rand256);
1831 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1834 void hci_adv_instances_clear(struct hci_dev *hdev);
1835 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);
1836 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);
1837 struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance,
1838 u32 flags, u16 adv_data_len, u8 *adv_data,
1839 u16 scan_rsp_len, u8 *scan_rsp_data,
1840 u16 timeout, u16 duration, s8 tx_power,
1841 u32 min_interval, u32 max_interval,
1843 struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance,
1844 u32 flags, u8 data_len, u8 *data,
1845 u32 min_interval, u32 max_interval);
1846 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
1847 u16 adv_data_len, u8 *adv_data,
1848 u16 scan_rsp_len, u8 *scan_rsp_data);
1849 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
1850 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
1851 u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance);
1852 bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance);
1854 void hci_adv_monitors_clear(struct hci_dev *hdev);
1855 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1856 int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1857 int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle);
1858 int hci_remove_all_adv_monitor(struct hci_dev *hdev);
1859 bool hci_is_adv_monitoring(struct hci_dev *hdev);
1860 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev);
1862 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
1864 void hci_init_sysfs(struct hci_dev *hdev);
1865 void hci_conn_init_sysfs(struct hci_conn *conn);
1866 void hci_conn_add_sysfs(struct hci_conn *conn);
1867 void hci_conn_del_sysfs(struct hci_conn *conn);
1869 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1870 #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent)
1872 /* ----- LMP capabilities ----- */
1873 #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT)
1874 #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH)
1875 #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD)
1876 #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF)
1877 #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK)
1878 #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ)
1879 #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO)
1880 #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR))
1881 #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE)
1882 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)
1883 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)
1884 #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M)
1885 #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ)
1886 #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))
1887 #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR)
1888 #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH)
1889 #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO)
1890 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)
1891 #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES)
1892 #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT)
1893 #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M)
1894 #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M)
1895 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT)
1896 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT)
1898 /* ----- Extended LMP capabilities ----- */
1899 #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL)
1900 #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL)
1901 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)
1902 #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN)
1903 #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC)
1904 #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING)
1906 /* ----- Host capabilities ----- */
1907 #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP)
1908 #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC)
1909 #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE))
1910 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
1912 #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \
1913 !hci_dev_test_flag(dev, HCI_AUTO_OFF))
1914 #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \
1915 hci_dev_test_flag(dev, HCI_SC_ENABLED))
1916 #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \
1917 !hci_dev_test_flag(dev, HCI_RPA_EXPIRED))
1918 #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \
1921 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \
1922 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M))
1924 #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M))
1926 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \
1927 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M))
1929 #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED) && \
1930 !test_bit(HCI_QUIRK_BROKEN_LE_CODED, \
1933 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
1934 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
1936 #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
1938 /* Use LL Privacy based address resolution if supported */
1939 #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \
1940 hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY))
1942 #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \
1943 (hdev->commands[39] & 0x04))
1945 /* Use enhanced synchronous connection if command is supported and its quirk
1948 #define enhanced_sync_conn_capable(dev) \
1949 (((dev)->commands[29] & 0x08) && \
1950 !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks))
1952 /* Use ext scanning if set ext scan param and ext scan enable is supported */
1953 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
1954 ((dev)->commands[37] & 0x40) && \
1955 !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks))
1957 /* Use ext create connection if command is supported */
1958 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80)
1960 /* Extended advertising support */
1961 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))
1963 /* Maximum advertising length */
1964 #define max_adv_len(dev) \
1965 (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH)
1967 /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789:
1969 * C24: Mandatory if the LE Controller supports Connection State and either
1970 * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported
1972 #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \
1973 ext_adv_capable(dev))
1975 /* Periodic advertising support */
1976 #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))
1978 /* CIS Master/Slave and BIS support */
1979 #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev))
1980 #define cis_capable(dev) \
1981 (cis_central_capable(dev) || cis_peripheral_capable(dev))
1982 #define cis_central_capable(dev) \
1983 ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL)
1984 #define cis_peripheral_capable(dev) \
1985 ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL)
1986 #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER)
1987 #define sync_recv_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_SYNC_RECEIVER)
1989 #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \
1990 (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks)))
1992 /* ----- HCI protocols ----- */
1993 #define HCI_PROTO_DEFER 0x01
1995 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
1996 __u8 type, __u8 *flags)
2000 return l2cap_connect_ind(hdev, bdaddr);
2004 return sco_connect_ind(hdev, bdaddr, flags);
2007 return iso_connect_ind(hdev, bdaddr, flags);
2010 BT_ERR("unknown link type %d", type);
2015 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
2017 if (conn->type != ACL_LINK && conn->type != LE_LINK)
2018 return HCI_ERROR_REMOTE_USER_TERM;
2020 return l2cap_disconn_ind(conn);
2023 /* ----- HCI callbacks ----- */
2025 struct list_head list;
2029 void (*connect_cfm) (struct hci_conn *conn, __u8 status);
2030 void (*disconn_cfm) (struct hci_conn *conn, __u8 status);
2031 void (*security_cfm) (struct hci_conn *conn, __u8 status,
2033 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
2034 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
2037 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
2041 mutex_lock(&hci_cb_list_lock);
2042 list_for_each_entry(cb, &hci_cb_list, list) {
2043 if (cb->connect_cfm)
2044 cb->connect_cfm(conn, status);
2046 mutex_unlock(&hci_cb_list_lock);
2048 if (conn->connect_cfm_cb)
2049 conn->connect_cfm_cb(conn, status);
2052 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
2056 mutex_lock(&hci_cb_list_lock);
2057 list_for_each_entry(cb, &hci_cb_list, list) {
2058 if (cb->disconn_cfm)
2059 cb->disconn_cfm(conn, reason);
2061 mutex_unlock(&hci_cb_list_lock);
2063 if (conn->disconn_cfm_cb)
2064 conn->disconn_cfm_cb(conn, reason);
2067 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
2072 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
2075 encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
2077 mutex_lock(&hci_cb_list_lock);
2078 list_for_each_entry(cb, &hci_cb_list, list) {
2079 if (cb->security_cfm)
2080 cb->security_cfm(conn, status, encrypt);
2082 mutex_unlock(&hci_cb_list_lock);
2084 if (conn->security_cfm_cb)
2085 conn->security_cfm_cb(conn, status);
2088 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
2093 if (conn->state == BT_CONFIG) {
2095 conn->state = BT_CONNECTED;
2097 hci_connect_cfm(conn, status);
2098 hci_conn_drop(conn);
2102 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2104 else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
2110 if (conn->sec_level == BT_SECURITY_SDP)
2111 conn->sec_level = BT_SECURITY_LOW;
2113 if (conn->pending_sec_level > conn->sec_level)
2114 conn->sec_level = conn->pending_sec_level;
2117 mutex_lock(&hci_cb_list_lock);
2118 list_for_each_entry(cb, &hci_cb_list, list) {
2119 if (cb->security_cfm)
2120 cb->security_cfm(conn, status, encrypt);
2122 mutex_unlock(&hci_cb_list_lock);
2124 if (conn->security_cfm_cb)
2125 conn->security_cfm_cb(conn, status);
2128 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
2132 mutex_lock(&hci_cb_list_lock);
2133 list_for_each_entry(cb, &hci_cb_list, list) {
2134 if (cb->key_change_cfm)
2135 cb->key_change_cfm(conn, status);
2137 mutex_unlock(&hci_cb_list_lock);
2140 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
2145 mutex_lock(&hci_cb_list_lock);
2146 list_for_each_entry(cb, &hci_cb_list, list) {
2147 if (cb->role_switch_cfm)
2148 cb->role_switch_cfm(conn, status, role);
2150 mutex_unlock(&hci_cb_list_lock);
2153 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
2155 if (addr_type != ADDR_LE_DEV_RANDOM)
2158 if ((bdaddr->b[5] & 0xc0) == 0x40)
2164 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
2166 if (addr_type == ADDR_LE_DEV_PUBLIC)
2169 /* Check for Random Static address type */
2170 if ((addr->b[5] & 0xc0) == 0xc0)
2176 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
2177 bdaddr_t *bdaddr, u8 addr_type)
2179 if (!hci_bdaddr_is_rpa(bdaddr, addr_type))
2182 return hci_find_irk_by_rpa(hdev, bdaddr);
2185 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
2190 if (min > max || min < 6 || max > 3200)
2193 if (to_multiplier < 10 || to_multiplier > 3200)
2196 if (max >= to_multiplier * 8)
2199 max_latency = (to_multiplier * 4 / max) - 1;
2200 if (latency > 499 || latency > max_latency)
2206 int hci_register_cb(struct hci_cb *hcb);
2207 int hci_unregister_cb(struct hci_cb *hcb);
2209 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,
2212 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
2214 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
2215 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
2216 void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb);
2218 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
2219 void *hci_recv_event_data(struct hci_dev *hdev, __u8 event);
2221 u32 hci_conn_get_phy(struct hci_conn *conn);
2223 /* ----- HCI Sockets ----- */
2224 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
2225 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,
2226 int flag, struct sock *skip_sk);
2227 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
2228 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event,
2229 void *data, u16 data_len, ktime_t tstamp,
2230 int flag, struct sock *skip_sk);
2232 void hci_sock_dev_event(struct hci_dev *hdev, int event);
2234 #define HCI_MGMT_VAR_LEN BIT(0)
2235 #define HCI_MGMT_NO_HDEV BIT(1)
2236 #define HCI_MGMT_UNTRUSTED BIT(2)
2237 #define HCI_MGMT_UNCONFIGURED BIT(3)
2238 #define HCI_MGMT_HDEV_OPTIONAL BIT(4)
2240 struct hci_mgmt_handler {
2241 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
2244 unsigned long flags;
2247 struct hci_mgmt_chan {
2248 struct list_head list;
2249 unsigned short channel;
2250 size_t handler_count;
2251 const struct hci_mgmt_handler *handlers;
2253 size_t tizen_handler_count;
2254 const struct hci_mgmt_handler *tizen_handlers;
2256 void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
2259 int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
2260 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
2262 /* Management interface */
2263 #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))
2264 #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \
2265 BIT(BDADDR_LE_RANDOM))
2266 #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \
2267 BIT(BDADDR_LE_PUBLIC) | \
2268 BIT(BDADDR_LE_RANDOM))
2270 /* These LE scan and inquiry parameters were chosen according to LE General
2271 * Discovery Procedure specification.
2273 #define DISCOV_LE_SCAN_WIN 0x12
2274 #define DISCOV_LE_SCAN_INT 0x12
2275 #define DISCOV_LE_TIMEOUT 10240 /* msec */
2276 #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */
2277 #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04
2278 #define DISCOV_BREDR_INQUIRY_LEN 0x08
2279 #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */
2280 #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */
2281 #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */
2282 #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */
2283 #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */
2284 #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */
2285 #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */
2286 #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10)
2288 #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */
2290 void mgmt_fill_version_info(void *ver);
2291 int mgmt_new_settings(struct hci_dev *hdev);
2292 void mgmt_index_added(struct hci_dev *hdev);
2293 void mgmt_index_removed(struct hci_dev *hdev);
2294 void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
2295 void mgmt_power_on(struct hci_dev *hdev, int err);
2296 void __mgmt_power_off(struct hci_dev *hdev);
2297 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
2299 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
2300 u8 *name, u8 name_len);
2301 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
2302 u8 link_type, u8 addr_type, u8 reason,
2303 bool mgmt_connected);
2304 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2305 u8 link_type, u8 addr_type, u8 status);
2306 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2307 u8 addr_type, u8 status);
2308 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
2309 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2311 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2313 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2314 u8 link_type, u8 addr_type, u32 value,
2316 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2317 u8 link_type, u8 addr_type, u8 status);
2318 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2319 u8 link_type, u8 addr_type, u8 status);
2320 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2321 u8 link_type, u8 addr_type);
2322 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2323 u8 link_type, u8 addr_type, u8 status);
2324 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2325 u8 link_type, u8 addr_type, u8 status);
2326 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
2327 u8 link_type, u8 addr_type, u32 passkey,
2329 void mgmt_auth_failed(struct hci_conn *conn, u8 status);
2330 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
2331 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
2333 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
2334 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
2335 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
2336 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2337 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
2338 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len,
2340 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2341 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
2342 void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
2343 void mgmt_suspending(struct hci_dev *hdev, u8 state);
2344 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
2346 bool mgmt_powering_down(struct hci_dev *hdev);
2347 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
2348 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
2349 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
2351 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
2352 u8 bdaddr_type, u8 store_hint, u16 min_interval,
2353 u16 max_interval, u16 latency, u16 timeout);
2354 void mgmt_smp_complete(struct hci_conn *conn, bool complete);
2355 bool mgmt_get_connectable(struct hci_dev *hdev);
2356 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
2357 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
2359 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
2361 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle);
2362 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip);
2363 void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle,
2364 bdaddr_t *bdaddr, u8 addr_type);
2367 void mgmt_rssi_enable_success(struct sock *sk, struct hci_dev *hdev,
2368 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2369 void mgmt_rssi_disable_success(struct sock *sk, struct hci_dev *hdev,
2370 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2371 int mgmt_set_rssi_threshold(struct sock *sk, struct hci_dev *hdev,
2372 void *data, u16 len);
2373 void mgmt_rssi_alert_evt(struct hci_dev *hdev, struct sk_buff *skb);
2374 void mgmt_raw_rssi_response(struct hci_dev *hdev,
2375 struct hci_cc_rp_get_raw_rssi *rp, int success);
2376 void mgmt_enable_rssi_cc(struct hci_dev *hdev, void *response, u8 status);
2377 int mgmt_device_name_update(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name,
2379 void mgmt_le_discovering(struct hci_dev *hdev, u8 discovering);
2382 int hci_abort_conn(struct hci_conn *conn, u8 reason);
2383 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
2385 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
2386 __u8 ltk[16], __u8 key_size);
2388 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
2391 #define SCO_AIRMODE_MASK 0x0003
2392 #define SCO_AIRMODE_CVSD 0x0000
2393 #define SCO_AIRMODE_TRANSP 0x0003
2395 #define LOCAL_CODEC_ACL_MASK BIT(0)
2396 #define LOCAL_CODEC_SCO_MASK BIT(1)
2398 #define TRANSPORT_TYPE_MAX 0x04
2400 #endif /* __HCI_CORE_H */