2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
28 #include <linux/idr.h>
29 #include <linux/leds.h>
30 #include <linux/rculist.h>
32 #include <net/bluetooth/hci.h>
33 #include <net/bluetooth/hci_sync.h>
34 #include <net/bluetooth/hci_sock.h>
37 #define HCI_PRIO_MAX 7
39 /* HCI maximum id value */
40 #define HCI_MAX_ID 10000
42 /* HCI Core structures */
46 __u8 pscan_period_mode;
54 struct inquiry_entry {
55 struct list_head all; /* inq_cache.all */
56 struct list_head list; /* unknown or resolve */
64 struct inquiry_data data;
67 struct discovery_state {
76 struct list_head all; /* All devices found during inquiry */
77 struct list_head unknown; /* Name state not known */
78 struct list_head resolve; /* Name needs to be resolved */
80 bdaddr_t last_adv_addr;
81 u8 last_adv_addr_type;
84 u8 last_adv_data[HCI_MAX_AD_LENGTH];
86 bool report_invalid_rssi;
87 bool result_filtering;
92 unsigned long scan_start;
93 unsigned long scan_duration;
94 unsigned long name_resolve_timeout;
97 #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
100 SUSPEND_PAUSE_DISCOVERY,
101 SUSPEND_UNPAUSE_DISCOVERY,
103 SUSPEND_PAUSE_ADVERTISING,
104 SUSPEND_UNPAUSE_ADVERTISING,
106 SUSPEND_SCAN_DISABLE,
108 SUSPEND_DISCONNECTING,
110 SUSPEND_POWERING_DOWN,
112 SUSPEND_PREPARE_NOTIFIER,
114 SUSPEND_SET_ADV_FILTER,
118 enum suspended_state {
120 BT_SUSPEND_DISCONNECT,
121 BT_SUSPEND_CONFIGURE_WAKE,
124 struct hci_conn_hash {
125 struct list_head list;
126 unsigned int acl_num;
127 unsigned int amp_num;
128 unsigned int sco_num;
129 unsigned int iso_num;
131 unsigned int le_num_peripheral;
135 struct list_head list;
141 struct list_head list;
148 struct hci_codec_caps caps[];
151 struct bdaddr_list_with_irk {
152 struct list_head list;
159 /* Bitmask of connection flags */
160 enum hci_conn_flags {
161 HCI_CONN_FLAG_REMOTE_WAKEUP = 1,
162 HCI_CONN_FLAG_DEVICE_PRIVACY = 2,
164 typedef u8 hci_conn_flags_t;
166 struct bdaddr_list_with_flags {
167 struct list_head list;
170 hci_conn_flags_t flags;
174 struct list_head list;
181 struct list_head list;
195 struct list_head list;
208 struct list_head list;
217 struct list_head list;
221 u8 val[HCI_LINK_KEY_SIZE];
226 struct list_head list;
237 struct list_head list;
245 __u16 remaining_time;
248 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
249 bool adv_data_changed;
251 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
252 bool scan_rsp_changed;
253 __u16 per_adv_data_len;
254 __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH];
258 bdaddr_t random_addr;
260 struct delayed_work rpa_expired_cb;
263 #define HCI_MAX_ADV_INSTANCES 5
264 #define HCI_DEFAULT_ADV_DURATION 2
266 #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F
268 #define DATA_CMP(_d1, _l1, _d2, _l2) \
269 (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2)
271 #define ADV_DATA_CMP(_adv, _data, _len) \
272 DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len)
274 #define SCAN_RSP_CMP(_adv, _data, _len) \
275 DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len)
277 struct monitored_device {
278 struct list_head list;
287 struct list_head list;
291 __u8 value[HCI_MAX_AD_LENGTH];
294 struct adv_rssi_thresholds {
297 __u16 low_threshold_timeout;
298 __u16 high_threshold_timeout;
299 __u8 sampling_period;
303 struct list_head patterns;
304 struct adv_rssi_thresholds rssi;
308 ADV_MONITOR_STATE_NOT_REGISTERED,
309 ADV_MONITOR_STATE_REGISTERED,
310 ADV_MONITOR_STATE_OFFLOADED
314 #define HCI_MIN_ADV_MONITOR_HANDLE 1
315 #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32
316 #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16
317 #define HCI_ADV_MONITOR_EXT_NONE 1
318 #define HCI_ADV_MONITOR_EXT_MSFT 2
320 #define HCI_MAX_SHORT_NAME_LENGTH 10
322 #define HCI_CONN_HANDLE_UNSET 0xffff
323 #define HCI_CONN_HANDLE_MAX 0x0eff
325 /* Min encryption key size to match with SMP */
326 #define HCI_MIN_ENC_KEY_SIZE 7
328 /* Default LE RPA expiry time, 15 minutes */
329 #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60)
331 /* Default min/max age of connection information (1s/3s) */
332 #define DEFAULT_CONN_INFO_MIN_AGE 1000
333 #define DEFAULT_CONN_INFO_MAX_AGE 3000
334 /* Default authenticated payload timeout 30s */
335 #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8
342 __u8 data[HCI_MAX_AMP_ASSOC_SIZE];
345 #define HCI_MAX_PAGES 3
348 #define HCI_MAX_EIR_MANUFACTURER_DATA_LENGTH 100
352 struct list_head list;
362 bdaddr_t public_addr;
363 bdaddr_t random_addr;
364 bdaddr_t static_addr;
366 __u8 dev_name[HCI_MAX_NAME_LENGTH];
367 __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
368 __u8 eir[HCI_MAX_EIR_LENGTH];
374 __u8 features[HCI_MAX_PAGES][8];
376 __u8 le_accept_list_size;
377 __u8 le_resolv_list_size;
378 __u8 le_num_of_adv_sets;
380 __u8 mesh_ad_types[16];
390 __u16 stored_max_keys;
391 __u16 stored_num_keys;
394 __u8 err_data_reporting;
395 __u16 page_scan_interval;
396 __u16 page_scan_window;
398 __u8 le_adv_channel_map;
399 __u16 le_adv_min_interval;
400 __u16 le_adv_max_interval;
402 __u16 le_scan_interval;
403 __u16 le_scan_window;
404 __u16 le_scan_int_suspend;
405 __u16 le_scan_window_suspend;
406 __u16 le_scan_int_discovery;
407 __u16 le_scan_window_discovery;
408 __u16 le_scan_int_adv_monitor;
409 __u16 le_scan_window_adv_monitor;
410 __u16 le_scan_int_connect;
411 __u16 le_scan_window_connect;
412 __u16 le_conn_min_interval;
413 __u16 le_conn_max_interval;
414 __u16 le_conn_latency;
415 __u16 le_supv_timeout;
417 __u16 le_def_tx_time;
419 __u16 le_max_tx_time;
421 __u16 le_max_rx_time;
422 __u8 le_max_key_size;
423 __u8 le_min_key_size;
424 __u16 discov_interleaved_timeout;
425 __u16 conn_info_min_age;
426 __u16 conn_info_max_age;
427 __u16 auth_payload_timeout;
428 __u8 min_enc_key_size;
429 __u8 max_enc_key_size;
434 __u16 advmon_allowlist_duration;
435 __u16 advmon_no_filter_duration;
436 __u8 enable_advmon_interleave_scan;
443 __u8 def_page_scan_type;
444 __u16 def_page_scan_int;
445 __u16 def_page_scan_window;
446 __u8 def_inq_scan_type;
447 __u16 def_inq_scan_int;
448 __u16 def_inq_scan_window;
450 __u16 def_page_timeout;
451 __u16 def_multi_adv_rotation_duration;
452 __u16 def_le_autoconnect_timeout;
453 __s8 min_le_tx_power;
454 __s8 max_le_tx_power;
462 __u16 sniff_min_interval;
463 __u16 sniff_max_interval;
468 __u32 amp_min_latency;
472 __u16 amp_assoc_size;
473 __u32 amp_max_flush_to;
474 __u32 amp_be_flush_to;
476 struct amp_assoc loc_assoc;
480 unsigned int auto_accept_delay;
482 unsigned long quirks;
485 unsigned int acl_cnt;
486 unsigned int sco_cnt;
488 unsigned int iso_cnt;
490 unsigned int acl_mtu;
491 unsigned int sco_mtu;
493 unsigned int iso_mtu;
494 unsigned int acl_pkts;
495 unsigned int sco_pkts;
496 unsigned int le_pkts;
497 unsigned int iso_pkts;
504 unsigned long acl_last_tx;
505 unsigned long sco_last_tx;
506 unsigned long le_last_tx;
511 struct workqueue_struct *workqueue;
512 struct workqueue_struct *req_workqueue;
514 struct work_struct power_on;
515 struct delayed_work power_off;
516 struct work_struct error_reset;
517 struct work_struct cmd_sync_work;
518 struct list_head cmd_sync_work_list;
519 struct mutex cmd_sync_work_lock;
520 struct mutex unregister_lock;
521 struct work_struct cmd_sync_cancel_work;
522 struct work_struct reenable_adv_work;
524 __u16 discov_timeout;
525 struct delayed_work discov_off;
527 struct delayed_work service_cache;
529 struct delayed_work cmd_timer;
530 struct delayed_work ncmd_timer;
532 struct work_struct rx_work;
533 struct work_struct cmd_work;
534 struct work_struct tx_work;
536 struct delayed_work le_scan_disable;
537 struct delayed_work le_scan_restart;
539 struct sk_buff_head rx_q;
540 struct sk_buff_head raw_q;
541 struct sk_buff_head cmd_q;
543 struct sk_buff *sent_cmd;
544 struct sk_buff *recv_event;
546 struct mutex req_lock;
547 wait_queue_head_t req_wait_q;
550 struct sk_buff *req_skb;
553 void *smp_bredr_data;
555 struct discovery_state discovery;
557 int discovery_old_state;
558 bool discovery_paused;
559 int advertising_old_state;
560 bool advertising_paused;
562 struct notifier_block suspend_notifier;
563 enum suspended_state suspend_state_next;
564 enum suspended_state suspend_state;
565 bool scanning_paused;
571 struct discovery_state le_discovery;
574 struct hci_conn_hash conn_hash;
576 struct list_head mesh_pending;
577 struct list_head mgmt_pending;
578 struct list_head reject_list;
579 struct list_head accept_list;
580 struct list_head uuids;
581 struct list_head link_keys;
582 struct list_head long_term_keys;
583 struct list_head identity_resolving_keys;
584 struct list_head remote_oob_data;
585 struct list_head le_accept_list;
586 struct list_head le_resolv_list;
587 struct list_head le_conn_params;
588 struct list_head pend_le_conns;
589 struct list_head pend_le_reports;
590 struct list_head blocked_keys;
591 struct list_head local_codecs;
593 struct hci_dev_stats stat;
599 struct dentry *debugfs;
603 struct rfkill *rfkill;
605 DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
606 hci_conn_flags_t conn_flags;
609 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
611 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
612 __u8 scan_rsp_data_len;
613 __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH];
614 __u8 per_adv_data_len;
616 struct list_head adv_instances;
617 unsigned int adv_instance_cnt;
618 __u8 cur_adv_instance;
619 __u16 adv_instance_timeout;
620 struct delayed_work adv_instance_expire;
622 struct idr adv_monitors_idr;
623 unsigned int adv_monitors_cnt;
627 struct delayed_work rpa_expired;
630 struct delayed_work mesh_send_done;
633 INTERLEAVE_SCAN_NONE,
634 INTERLEAVE_SCAN_NO_FILTER,
635 INTERLEAVE_SCAN_ALLOWLIST
636 } interleave_scan_state;
638 struct delayed_work interleave_scan;
640 struct list_head monitored_devices;
641 bool advmon_pend_notify;
643 #if IS_ENABLED(CONFIG_BT_LEDS)
644 struct led_trigger *power_led;
647 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
650 bool msft_curve_validity;
653 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
655 bool aosp_quality_report;
659 __u8 adv_filter_policy;
661 __u8 manufacturer_len;
662 __u8 manufacturer_data[HCI_MAX_EIR_MANUFACTURER_DATA_LENGTH];
665 int (*open)(struct hci_dev *hdev);
666 int (*close)(struct hci_dev *hdev);
667 int (*flush)(struct hci_dev *hdev);
668 int (*setup)(struct hci_dev *hdev);
669 int (*shutdown)(struct hci_dev *hdev);
670 int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
671 void (*notify)(struct hci_dev *hdev, unsigned int evt);
672 void (*hw_error)(struct hci_dev *hdev, u8 code);
673 int (*post_init)(struct hci_dev *hdev);
674 int (*set_diag)(struct hci_dev *hdev, bool enable);
675 int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
676 void (*cmd_timeout)(struct hci_dev *hdev);
677 bool (*wakeup)(struct hci_dev *hdev);
678 int (*set_quality_report)(struct hci_dev *hdev, bool enable);
679 int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path);
680 int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type,
681 struct bt_codec *codec, __u8 *vnd_len,
685 #define HCI_PHY_HANDLE(handle) (handle & 0xff)
688 CONN_REASON_PAIR_DEVICE,
689 CONN_REASON_L2CAP_CHAN,
690 CONN_REASON_SCO_CONNECT,
691 CONN_REASON_ISO_CONNECT,
695 struct list_head list;
717 __u8 features[HCI_MAX_PAGES][8];
723 __u8 pending_sec_level;
727 __u32 passkey_notify;
728 __u8 passkey_entered;
732 __u16 auth_payload_timeout;
733 __u16 le_conn_min_interval;
734 __u16 le_conn_max_interval;
735 __u16 le_conn_interval;
736 __u16 le_conn_latency;
737 __u16 le_supv_timeout;
738 __u8 le_adv_data[HCI_MAX_AD_LENGTH];
739 __u8 le_adv_data_len;
740 __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH];
741 __u8 le_per_adv_data_len;
747 struct bt_iso_qos iso_qos;
750 enum conn_reasons conn_reason;
753 __u16 clock_accuracy;
755 unsigned long conn_info_timestamp;
763 struct sk_buff_head data_q;
764 struct list_head chan_list;
766 struct delayed_work disc_work;
767 struct delayed_work auto_accept_work;
768 struct delayed_work idle_work;
769 struct delayed_work le_conn_timeout;
770 struct work_struct le_scan_cleanup;
773 struct dentry *debugfs;
775 struct hci_dev *hdev;
779 struct amp_mgr *amp_mgr;
786 struct hci_conn *link;
787 struct bt_codec codec;
789 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
790 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
791 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
793 void (*cleanup)(struct hci_conn *conn);
797 struct list_head list;
799 struct hci_conn *conn;
800 struct sk_buff_head data_q;
806 struct hci_conn_params {
807 struct list_head list;
808 struct list_head action;
813 u16 conn_min_interval;
814 u16 conn_max_interval;
816 u16 supervision_timeout;
819 HCI_AUTO_CONN_DISABLED,
820 HCI_AUTO_CONN_REPORT,
821 HCI_AUTO_CONN_DIRECT,
822 HCI_AUTO_CONN_ALWAYS,
823 HCI_AUTO_CONN_LINK_LOSS,
824 HCI_AUTO_CONN_EXPLICIT,
827 struct hci_conn *conn;
828 bool explicit_connect;
829 hci_conn_flags_t flags;
833 extern struct list_head hci_dev_list;
834 extern struct list_head hci_cb_list;
835 extern rwlock_t hci_dev_list_lock;
836 extern struct mutex hci_cb_list_lock;
838 #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags)
839 #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags)
840 #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags)
841 #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags)
842 #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags)
843 #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags)
844 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
846 #define hci_dev_clear_volatile_flags(hdev) \
848 hci_dev_clear_flag(hdev, HCI_LE_SCAN); \
849 hci_dev_clear_flag(hdev, HCI_LE_ADV); \
850 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\
851 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \
852 hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \
855 #define hci_dev_le_state_simultaneous(hdev) \
856 (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \
857 (hdev->le_states[4] & 0x08) && /* Central */ \
858 (hdev->le_states[4] & 0x40) && /* Peripheral */ \
859 (hdev->le_states[3] & 0x10)) /* Simultaneous */
861 /* ----- HCI interface to upper protocols ----- */
862 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
863 int l2cap_disconn_ind(struct hci_conn *hcon);
864 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
866 #if IS_ENABLED(CONFIG_BT_BREDR)
867 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
868 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
870 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
876 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
881 #if IS_ENABLED(CONFIG_BT_LE)
882 int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
883 void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
885 static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
890 static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb,
896 /* ----- Inquiry cache ----- */
897 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
898 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
900 static inline void discovery_init(struct hci_dev *hdev)
902 hdev->discovery.state = DISCOVERY_STOPPED;
903 INIT_LIST_HEAD(&hdev->discovery.all);
904 INIT_LIST_HEAD(&hdev->discovery.unknown);
905 INIT_LIST_HEAD(&hdev->discovery.resolve);
906 hdev->discovery.report_invalid_rssi = true;
907 hdev->discovery.rssi = HCI_RSSI_INVALID;
910 static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
912 hdev->discovery.result_filtering = false;
913 hdev->discovery.report_invalid_rssi = true;
914 hdev->discovery.rssi = HCI_RSSI_INVALID;
915 hdev->discovery.uuid_count = 0;
916 kfree(hdev->discovery.uuids);
917 hdev->discovery.uuids = NULL;
918 hdev->discovery.scan_start = 0;
919 hdev->discovery.scan_duration = 0;
922 bool hci_discovery_active(struct hci_dev *hdev);
924 void hci_discovery_set_state(struct hci_dev *hdev, int state);
926 static inline int inquiry_cache_empty(struct hci_dev *hdev)
928 return list_empty(&hdev->discovery.all);
931 static inline long inquiry_cache_age(struct hci_dev *hdev)
933 struct discovery_state *c = &hdev->discovery;
934 return jiffies - c->timestamp;
937 static inline long inquiry_entry_age(struct inquiry_entry *e)
939 return jiffies - e->timestamp;
942 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
944 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
946 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
949 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
950 struct inquiry_entry *ie);
951 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
953 void hci_inquiry_cache_flush(struct hci_dev *hdev);
955 /* ----- HCI Connections ----- */
957 #define LINK_SUPERVISION_TIMEOUT 0x1F40 /* n * 0.625 = 5 seconds */
958 #endif /* TIZEN_BT */
962 HCI_CONN_REAUTH_PEND,
963 HCI_CONN_ENCRYPT_PEND,
964 HCI_CONN_RSWITCH_PEND,
965 HCI_CONN_MODE_CHANGE_PEND,
966 HCI_CONN_SCO_SETUP_PEND,
967 HCI_CONN_MGMT_CONNECTED,
968 HCI_CONN_SSP_ENABLED,
977 HCI_CONN_STK_ENCRYPT,
978 HCI_CONN_AUTH_INITIATOR,
981 HCI_CONN_PARAM_REMOVAL_PEND,
982 HCI_CONN_NEW_LINK_KEY,
984 HCI_CONN_AUTH_FAILURE,
988 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
990 struct hci_dev *hdev = conn->hdev;
991 return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
992 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
995 static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
997 struct hci_dev *hdev = conn->hdev;
998 return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
999 test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
1002 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
1004 struct hci_conn_hash *h = &hdev->conn_hash;
1005 list_add_rcu(&c->list, &h->list);
1015 if (c->role == HCI_ROLE_SLAVE)
1016 h->le_num_peripheral++;
1028 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
1030 struct hci_conn_hash *h = &hdev->conn_hash;
1032 list_del_rcu(&c->list);
1044 if (c->role == HCI_ROLE_SLAVE)
1045 h->le_num_peripheral--;
1057 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
1059 struct hci_conn_hash *h = &hdev->conn_hash;
1077 static inline unsigned int hci_conn_count(struct hci_dev *hdev)
1079 struct hci_conn_hash *c = &hdev->conn_hash;
1081 return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num;
1084 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
1086 struct hci_conn_hash *h = &hdev->conn_hash;
1088 __u8 type = INVALID_LINK;
1092 list_for_each_entry_rcu(c, &h->list, list) {
1093 if (c->handle == handle) {
1104 static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
1108 struct hci_conn_hash *h = &hdev->conn_hash;
1113 list_for_each_entry_rcu(c, &h->list, list) {
1114 if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
1117 if (c->iso_qos.big == big && c->iso_qos.bis == bis) {
1127 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
1130 struct hci_conn_hash *h = &hdev->conn_hash;
1135 list_for_each_entry_rcu(c, &h->list, list) {
1136 if (c->handle == handle) {
1146 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
1147 __u8 type, bdaddr_t *ba)
1149 struct hci_conn_hash *h = &hdev->conn_hash;
1154 list_for_each_entry_rcu(c, &h->list, list) {
1155 if (c->type == type && !bacmp(&c->dst, ba)) {
1166 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
1170 struct hci_conn_hash *h = &hdev->conn_hash;
1175 list_for_each_entry_rcu(c, &h->list, list) {
1176 if (c->type != LE_LINK)
1179 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
1190 static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
1194 struct hci_conn_hash *h = &hdev->conn_hash;
1199 list_for_each_entry_rcu(c, &h->list, list) {
1200 if (c->type != ISO_LINK)
1203 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
1214 static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
1217 struct hci_conn_hash *h = &hdev->conn_hash;
1222 list_for_each_entry_rcu(c, &h->list, list) {
1223 if (c->type != ISO_LINK)
1226 if (handle == c->iso_qos.cig) {
1237 static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
1240 struct hci_conn_hash *h = &hdev->conn_hash;
1245 list_for_each_entry_rcu(c, &h->list, list) {
1246 if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
1249 if (handle == c->iso_qos.big) {
1260 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
1261 __u8 type, __u16 state)
1263 struct hci_conn_hash *h = &hdev->conn_hash;
1268 list_for_each_entry_rcu(c, &h->list, list) {
1269 if (c->type == type && c->state == state) {
1280 typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data);
1281 static inline void hci_conn_hash_list_state(struct hci_dev *hdev,
1282 hci_conn_func_t func, __u8 type,
1283 __u16 state, void *data)
1285 struct hci_conn_hash *h = &hdev->conn_hash;
1293 list_for_each_entry_rcu(c, &h->list, list) {
1294 if (c->type == type && c->state == state)
1301 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)
1303 struct hci_conn_hash *h = &hdev->conn_hash;
1308 list_for_each_entry_rcu(c, &h->list, list) {
1309 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1310 !test_bit(HCI_CONN_SCANNING, &c->flags)) {
1322 static inline bool hci_conn_rssi_state_set(struct hci_dev *hdev,
1323 __u8 type, bdaddr_t *ba, bool value)
1325 struct hci_conn_hash *h = &hdev->conn_hash;
1330 conn_type = LE_LINK;
1332 conn_type = ACL_LINK;
1336 list_for_each_entry_rcu(c, &h->list, list) {
1337 if (c->type == conn_type && !bacmp(&c->dst, ba)) {
1338 c->rssi_monitored = value;
1348 static inline void hci_conn_rssi_unset_all(struct hci_dev *hdev,
1351 struct hci_conn_hash *h = &hdev->conn_hash;
1356 conn_type = LE_LINK;
1358 conn_type = ACL_LINK;
1361 list_for_each_entry_rcu(c, &h->list, list) {
1362 if (c->type == conn_type)
1363 c->rssi_monitored = false;
1368 static inline int hci_conn_hash_lookup_rssi_count(struct hci_dev *hdev)
1370 struct hci_conn_hash *h = &hdev->conn_hash;
1375 list_for_each_entry_rcu(c, &h->list, list) {
1376 if (c->rssi_monitored == true)
1384 int hci_conn_change_supervision_timeout(struct hci_conn *conn, __u16 timeout);
1385 bool hci_le_discovery_active(struct hci_dev *hdev);
1386 void hci_le_discovery_set_state(struct hci_dev *hdev, int state);
1388 static inline struct hci_conn *hci_conn_hash_lookup_sco(struct hci_dev *hdev)
1390 struct hci_conn_hash *h = &hdev->conn_hash;
1394 list_for_each_entry_rcu(c, &h->list, list) {
1395 if (c->type == SCO_LINK || c->type == ESCO_LINK) {
1406 int hci_disconnect(struct hci_conn *conn, __u8 reason);
1407 bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
1408 void hci_sco_setup(struct hci_conn *conn, __u8 status);
1409 bool hci_iso_setup_path(struct hci_conn *conn);
1410 int hci_le_create_cis(struct hci_conn *conn);
1412 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
1414 int hci_conn_del(struct hci_conn *conn);
1415 void hci_conn_hash_flush(struct hci_dev *hdev);
1416 void hci_conn_check_pending(struct hci_dev *hdev);
1418 struct hci_chan *hci_chan_create(struct hci_conn *conn);
1419 void hci_chan_del(struct hci_chan *chan);
1420 void hci_chan_list_flush(struct hci_conn *conn);
1421 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
1423 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
1424 u8 dst_type, u8 sec_level,
1426 enum conn_reasons conn_reason);
1427 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
1428 u8 dst_type, bool dst_resolved, u8 sec_level,
1429 u16 conn_timeout, u8 role);
1430 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
1431 u8 sec_level, u8 auth_type,
1432 enum conn_reasons conn_reason);
1433 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
1434 __u16 setting, struct bt_codec *codec);
1435 struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
1436 __u8 dst_type, struct bt_iso_qos *qos);
1437 struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
1438 __u8 dst_type, struct bt_iso_qos *qos);
1439 struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
1440 __u8 dst_type, struct bt_iso_qos *qos,
1441 __u8 data_len, __u8 *data);
1442 int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
1444 int hci_le_big_create_sync(struct hci_dev *hdev, struct bt_iso_qos *qos,
1445 __u16 sync_handle, __u8 num_bis, __u8 bis[]);
1446 int hci_conn_check_link_mode(struct hci_conn *conn);
1447 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
1448 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
1450 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1452 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1454 void hci_conn_failed(struct hci_conn *conn, u8 status);
1457 * hci_conn_get() and hci_conn_put() are used to control the life-time of an
1458 * "hci_conn" object. They do not guarantee that the hci_conn object is running,
1459 * working or anything else. They just guarantee that the object is available
1460 * and can be dereferenced. So you can use its locks, local variables and any
1461 * other constant data.
1462 * Before accessing runtime data, you _must_ lock the object and then check that
1463 * it is still running. As soon as you release the locks, the connection might
1464 * get dropped, though.
1466 * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control
1467 * how long the underlying connection is held. So every channel that runs on the
1468 * hci_conn object calls this to prevent the connection from disappearing. As
1469 * long as you hold a device, you must also guarantee that you have a valid
1470 * reference to the device via hci_conn_get() (or the initial reference from
1472 * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't
1473 * break because nobody cares for that. But this means, we cannot use
1474 * _get()/_drop() in it, but require the caller to have a valid ref (FIXME).
1477 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)
1479 get_device(&conn->dev);
1483 static inline void hci_conn_put(struct hci_conn *conn)
1485 put_device(&conn->dev);
1488 static inline void hci_conn_hold(struct hci_conn *conn)
1490 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1492 atomic_inc(&conn->refcnt);
1493 cancel_delayed_work(&conn->disc_work);
1496 static inline void hci_conn_drop(struct hci_conn *conn)
1498 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1500 if (atomic_dec_and_test(&conn->refcnt)) {
1501 unsigned long timeo;
1503 switch (conn->type) {
1506 cancel_delayed_work(&conn->idle_work);
1507 if (conn->state == BT_CONNECTED) {
1508 timeo = conn->disc_timeout;
1517 timeo = conn->disc_timeout;
1525 cancel_delayed_work(&conn->disc_work);
1526 queue_delayed_work(conn->hdev->workqueue,
1527 &conn->disc_work, timeo);
1531 /* ----- HCI Devices ----- */
1532 static inline void hci_dev_put(struct hci_dev *d)
1534 BT_DBG("%s orig refcnt %d", d->name,
1535 kref_read(&d->dev.kobj.kref));
1537 put_device(&d->dev);
1540 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1542 BT_DBG("%s orig refcnt %d", d->name,
1543 kref_read(&d->dev.kobj.kref));
1545 get_device(&d->dev);
1549 #define hci_dev_lock(d) mutex_lock(&d->lock)
1550 #define hci_dev_unlock(d) mutex_unlock(&d->lock)
1552 #define to_hci_dev(d) container_of(d, struct hci_dev, dev)
1553 #define to_hci_conn(c) container_of(c, struct hci_conn, dev)
1555 static inline void *hci_get_drvdata(struct hci_dev *hdev)
1557 return dev_get_drvdata(&hdev->dev);
1560 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
1562 dev_set_drvdata(&hdev->dev, data);
1565 static inline void *hci_get_priv(struct hci_dev *hdev)
1567 return (char *)hdev + sizeof(*hdev);
1570 struct hci_dev *hci_dev_get(int index);
1571 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);
1573 struct hci_dev *hci_alloc_dev_priv(int sizeof_priv);
1575 static inline struct hci_dev *hci_alloc_dev(void)
1577 return hci_alloc_dev_priv(0);
1580 void hci_free_dev(struct hci_dev *hdev);
1581 int hci_register_dev(struct hci_dev *hdev);
1582 void hci_unregister_dev(struct hci_dev *hdev);
1583 void hci_release_dev(struct hci_dev *hdev);
1584 int hci_register_suspend_notifier(struct hci_dev *hdev);
1585 int hci_unregister_suspend_notifier(struct hci_dev *hdev);
1586 int hci_suspend_dev(struct hci_dev *hdev);
1587 int hci_resume_dev(struct hci_dev *hdev);
1588 int hci_reset_dev(struct hci_dev *hdev);
1589 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
1590 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
1591 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
1592 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
1594 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
1596 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
1597 hdev->msft_opcode = opcode;
1601 static inline void hci_set_aosp_capable(struct hci_dev *hdev)
1603 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
1604 hdev->aosp_capable = true;
1608 int hci_dev_open(__u16 dev);
1609 int hci_dev_close(__u16 dev);
1610 int hci_dev_do_close(struct hci_dev *hdev);
1611 int hci_dev_reset(__u16 dev);
1612 int hci_dev_reset_stat(__u16 dev);
1613 int hci_dev_cmd(unsigned int cmd, void __user *arg);
1614 int hci_get_dev_list(void __user *arg);
1615 int hci_get_dev_info(void __user *arg);
1616 int hci_get_conn_list(void __user *arg);
1617 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
1618 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1620 u32 get_link_mode(struct hci_conn *conn);
1622 int hci_inquiry(void __user *arg);
1624 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
1625 bdaddr_t *bdaddr, u8 type);
1626 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
1627 struct list_head *list, bdaddr_t *bdaddr,
1629 struct bdaddr_list_with_flags *
1630 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1632 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1633 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1634 u8 type, u8 *peer_irk, u8 *local_irk);
1635 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1636 u8 type, u32 flags);
1637 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1638 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1640 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1642 void hci_bdaddr_list_clear(struct list_head *list);
1644 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
1645 bdaddr_t *addr, u8 addr_type);
1646 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
1647 bdaddr_t *addr, u8 addr_type);
1648 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
1649 void hci_conn_params_clear_disabled(struct hci_dev *hdev);
1651 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
1655 void hci_uuids_clear(struct hci_dev *hdev);
1657 void hci_link_keys_clear(struct hci_dev *hdev);
1658 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1659 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
1660 bdaddr_t *bdaddr, u8 *val, u8 type,
1661 u8 pin_len, bool *persistent);
1662 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1663 u8 addr_type, u8 type, u8 authenticated,
1664 u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
1665 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1666 u8 addr_type, u8 role);
1667 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
1668 void hci_smp_ltks_clear(struct hci_dev *hdev);
1669 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1671 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);
1672 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
1674 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1675 u8 addr_type, u8 val[16], bdaddr_t *rpa);
1676 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
1677 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]);
1678 void hci_blocked_keys_clear(struct hci_dev *hdev);
1679 void hci_smp_irks_clear(struct hci_dev *hdev);
1681 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1683 void hci_remote_oob_data_clear(struct hci_dev *hdev);
1684 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
1685 bdaddr_t *bdaddr, u8 bdaddr_type);
1686 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1687 u8 bdaddr_type, u8 *hash192, u8 *rand192,
1688 u8 *hash256, u8 *rand256);
1689 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1692 void hci_adv_instances_clear(struct hci_dev *hdev);
1693 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);
1694 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);
1695 struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance,
1696 u32 flags, u16 adv_data_len, u8 *adv_data,
1697 u16 scan_rsp_len, u8 *scan_rsp_data,
1698 u16 timeout, u16 duration, s8 tx_power,
1699 u32 min_interval, u32 max_interval,
1701 struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance,
1702 u32 flags, u8 data_len, u8 *data,
1703 u32 min_interval, u32 max_interval);
1704 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
1705 u16 adv_data_len, u8 *adv_data,
1706 u16 scan_rsp_len, u8 *scan_rsp_data);
1707 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
1708 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
1709 u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance);
1710 bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance);
1712 void hci_adv_monitors_clear(struct hci_dev *hdev);
1713 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1714 int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1715 int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle);
1716 int hci_remove_all_adv_monitor(struct hci_dev *hdev);
1717 bool hci_is_adv_monitoring(struct hci_dev *hdev);
1718 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev);
1720 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
1722 void hci_init_sysfs(struct hci_dev *hdev);
1723 void hci_conn_init_sysfs(struct hci_conn *conn);
1724 void hci_conn_add_sysfs(struct hci_conn *conn);
1725 void hci_conn_del_sysfs(struct hci_conn *conn);
1727 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1729 /* ----- LMP capabilities ----- */
1730 #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT)
1731 #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH)
1732 #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD)
1733 #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF)
1734 #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK)
1735 #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ)
1736 #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO)
1737 #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR))
1738 #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE)
1739 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)
1740 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)
1741 #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M)
1742 #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ)
1743 #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))
1744 #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR)
1745 #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH)
1746 #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO)
1747 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)
1748 #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES)
1749 #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT)
1750 #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M)
1751 #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M)
1752 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT)
1753 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT)
1755 /* ----- Extended LMP capabilities ----- */
1756 #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL)
1757 #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL)
1758 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)
1759 #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN)
1760 #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC)
1761 #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING)
1763 /* ----- Host capabilities ----- */
1764 #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP)
1765 #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC)
1766 #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE))
1767 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
1769 #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \
1770 !hci_dev_test_flag(dev, HCI_AUTO_OFF))
1771 #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \
1772 hci_dev_test_flag(dev, HCI_SC_ENABLED))
1773 #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \
1774 !hci_dev_test_flag(dev, HCI_RPA_EXPIRED))
1775 #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \
1778 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \
1779 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M))
1781 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \
1782 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M))
1784 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
1785 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
1787 #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
1789 /* Use LL Privacy based address resolution if supported */
1790 #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \
1791 hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY))
1793 #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \
1794 (hdev->commands[39] & 0x04))
1796 /* Use enhanced synchronous connection if command is supported and its quirk
1799 #define enhanced_sync_conn_capable(dev) \
1800 (((dev)->commands[29] & 0x08) && \
1801 !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks))
1803 /* Use ext scanning if set ext scan param and ext scan enable is supported */
1804 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
1805 ((dev)->commands[37] & 0x40) && \
1806 !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks))
1808 /* Use ext create connection if command is supported */
1809 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80)
1811 /* Extended advertising support */
1812 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))
1814 /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789:
1816 * C24: Mandatory if the LE Controller supports Connection State and either
1817 * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported
1819 #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \
1820 ext_adv_capable(dev))
1822 /* Periodic advertising support */
1823 #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))
1825 /* CIS Master/Slave and BIS support */
1826 #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev))
1827 #define cis_capable(dev) \
1828 (cis_central_capable(dev) || cis_peripheral_capable(dev))
1829 #define cis_central_capable(dev) \
1830 ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL)
1831 #define cis_peripheral_capable(dev) \
1832 ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL)
1833 #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER)
1835 #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \
1836 (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks)))
1838 /* ----- HCI protocols ----- */
1839 #define HCI_PROTO_DEFER 0x01
1841 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
1842 __u8 type, __u8 *flags)
1846 return l2cap_connect_ind(hdev, bdaddr);
1850 return sco_connect_ind(hdev, bdaddr, flags);
1853 return iso_connect_ind(hdev, bdaddr, flags);
1856 BT_ERR("unknown link type %d", type);
1861 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1863 if (conn->type != ACL_LINK && conn->type != LE_LINK)
1864 return HCI_ERROR_REMOTE_USER_TERM;
1866 return l2cap_disconn_ind(conn);
1869 /* ----- HCI callbacks ----- */
1871 struct list_head list;
1875 void (*connect_cfm) (struct hci_conn *conn, __u8 status);
1876 void (*disconn_cfm) (struct hci_conn *conn, __u8 status);
1877 void (*security_cfm) (struct hci_conn *conn, __u8 status,
1879 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
1880 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
1883 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
1887 mutex_lock(&hci_cb_list_lock);
1888 list_for_each_entry(cb, &hci_cb_list, list) {
1889 if (cb->connect_cfm)
1890 cb->connect_cfm(conn, status);
1892 mutex_unlock(&hci_cb_list_lock);
1894 if (conn->connect_cfm_cb)
1895 conn->connect_cfm_cb(conn, status);
1898 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
1902 mutex_lock(&hci_cb_list_lock);
1903 list_for_each_entry(cb, &hci_cb_list, list) {
1904 if (cb->disconn_cfm)
1905 cb->disconn_cfm(conn, reason);
1907 mutex_unlock(&hci_cb_list_lock);
1909 if (conn->disconn_cfm_cb)
1910 conn->disconn_cfm_cb(conn, reason);
1913 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
1918 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
1921 encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
1923 mutex_lock(&hci_cb_list_lock);
1924 list_for_each_entry(cb, &hci_cb_list, list) {
1925 if (cb->security_cfm)
1926 cb->security_cfm(conn, status, encrypt);
1928 mutex_unlock(&hci_cb_list_lock);
1930 if (conn->security_cfm_cb)
1931 conn->security_cfm_cb(conn, status);
1934 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
1939 if (conn->state == BT_CONFIG) {
1941 conn->state = BT_CONNECTED;
1943 hci_connect_cfm(conn, status);
1944 hci_conn_drop(conn);
1948 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
1950 else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
1956 if (conn->sec_level == BT_SECURITY_SDP)
1957 conn->sec_level = BT_SECURITY_LOW;
1959 if (conn->pending_sec_level > conn->sec_level)
1960 conn->sec_level = conn->pending_sec_level;
1963 mutex_lock(&hci_cb_list_lock);
1964 list_for_each_entry(cb, &hci_cb_list, list) {
1965 if (cb->security_cfm)
1966 cb->security_cfm(conn, status, encrypt);
1968 mutex_unlock(&hci_cb_list_lock);
1970 if (conn->security_cfm_cb)
1971 conn->security_cfm_cb(conn, status);
1974 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
1978 mutex_lock(&hci_cb_list_lock);
1979 list_for_each_entry(cb, &hci_cb_list, list) {
1980 if (cb->key_change_cfm)
1981 cb->key_change_cfm(conn, status);
1983 mutex_unlock(&hci_cb_list_lock);
1986 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
1991 mutex_lock(&hci_cb_list_lock);
1992 list_for_each_entry(cb, &hci_cb_list, list) {
1993 if (cb->role_switch_cfm)
1994 cb->role_switch_cfm(conn, status, role);
1996 mutex_unlock(&hci_cb_list_lock);
1999 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
2001 if (addr_type != ADDR_LE_DEV_RANDOM)
2004 if ((bdaddr->b[5] & 0xc0) == 0x40)
2010 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
2012 if (addr_type == ADDR_LE_DEV_PUBLIC)
2015 /* Check for Random Static address type */
2016 if ((addr->b[5] & 0xc0) == 0xc0)
2022 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
2023 bdaddr_t *bdaddr, u8 addr_type)
2025 if (!hci_bdaddr_is_rpa(bdaddr, addr_type))
2028 return hci_find_irk_by_rpa(hdev, bdaddr);
2031 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
2036 if (min > max || min < 6 || max > 3200)
2039 if (to_multiplier < 10 || to_multiplier > 3200)
2042 if (max >= to_multiplier * 8)
2045 max_latency = (to_multiplier * 4 / max) - 1;
2046 if (latency > 499 || latency > max_latency)
2052 int hci_register_cb(struct hci_cb *hcb);
2053 int hci_unregister_cb(struct hci_cb *hcb);
2055 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,
2058 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
2060 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
2061 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
2062 void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb);
2064 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
2065 void *hci_recv_event_data(struct hci_dev *hdev, __u8 event);
2067 u32 hci_conn_get_phy(struct hci_conn *conn);
2069 /* ----- HCI Sockets ----- */
2070 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
2071 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,
2072 int flag, struct sock *skip_sk);
2073 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
2074 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event,
2075 void *data, u16 data_len, ktime_t tstamp,
2076 int flag, struct sock *skip_sk);
2078 void hci_sock_dev_event(struct hci_dev *hdev, int event);
2080 #define HCI_MGMT_VAR_LEN BIT(0)
2081 #define HCI_MGMT_NO_HDEV BIT(1)
2082 #define HCI_MGMT_UNTRUSTED BIT(2)
2083 #define HCI_MGMT_UNCONFIGURED BIT(3)
2084 #define HCI_MGMT_HDEV_OPTIONAL BIT(4)
2086 struct hci_mgmt_handler {
2087 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
2090 unsigned long flags;
2093 struct hci_mgmt_chan {
2094 struct list_head list;
2095 unsigned short channel;
2096 size_t handler_count;
2097 const struct hci_mgmt_handler *handlers;
2099 size_t tizen_handler_count;
2100 const struct hci_mgmt_handler *tizen_handlers;
2102 void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
2105 int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
2106 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
2108 /* Management interface */
2109 #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))
2110 #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \
2111 BIT(BDADDR_LE_RANDOM))
2112 #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \
2113 BIT(BDADDR_LE_PUBLIC) | \
2114 BIT(BDADDR_LE_RANDOM))
2116 /* These LE scan and inquiry parameters were chosen according to LE General
2117 * Discovery Procedure specification.
2119 #define DISCOV_LE_SCAN_WIN 0x12
2120 #define DISCOV_LE_SCAN_INT 0x12
2121 #define DISCOV_LE_TIMEOUT 10240 /* msec */
2122 #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */
2123 #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04
2124 #define DISCOV_BREDR_INQUIRY_LEN 0x08
2125 #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */
2126 #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */
2127 #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */
2128 #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */
2129 #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */
2130 #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */
2131 #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */
2132 #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10)
2134 #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */
2136 void mgmt_fill_version_info(void *ver);
2137 int mgmt_new_settings(struct hci_dev *hdev);
2138 void mgmt_index_added(struct hci_dev *hdev);
2139 void mgmt_index_removed(struct hci_dev *hdev);
2140 void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
2141 void mgmt_power_on(struct hci_dev *hdev, int err);
2142 void __mgmt_power_off(struct hci_dev *hdev);
2143 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
2145 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
2146 u8 *name, u8 name_len);
2147 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
2148 u8 link_type, u8 addr_type, u8 reason,
2149 bool mgmt_connected);
2150 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2151 u8 link_type, u8 addr_type, u8 status);
2152 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2153 u8 addr_type, u8 status);
2154 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
2155 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2157 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2159 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2160 u8 link_type, u8 addr_type, u32 value,
2162 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2163 u8 link_type, u8 addr_type, u8 status);
2164 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2165 u8 link_type, u8 addr_type, u8 status);
2166 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2167 u8 link_type, u8 addr_type);
2168 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2169 u8 link_type, u8 addr_type, u8 status);
2170 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2171 u8 link_type, u8 addr_type, u8 status);
2172 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
2173 u8 link_type, u8 addr_type, u32 passkey,
2175 void mgmt_auth_failed(struct hci_conn *conn, u8 status);
2176 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
2177 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
2179 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
2180 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
2181 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
2182 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2183 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
2184 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len,
2186 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2187 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
2188 void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
2189 void mgmt_suspending(struct hci_dev *hdev, u8 state);
2190 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
2192 bool mgmt_powering_down(struct hci_dev *hdev);
2193 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
2194 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
2195 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
2197 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
2198 u8 bdaddr_type, u8 store_hint, u16 min_interval,
2199 u16 max_interval, u16 latency, u16 timeout);
2200 void mgmt_smp_complete(struct hci_conn *conn, bool complete);
2201 bool mgmt_get_connectable(struct hci_dev *hdev);
2202 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
2203 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
2205 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
2207 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle);
2208 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip);
2209 void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle,
2210 bdaddr_t *bdaddr, u8 addr_type);
2213 void mgmt_rssi_enable_success(struct sock *sk, struct hci_dev *hdev,
2214 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2215 void mgmt_rssi_disable_success(struct sock *sk, struct hci_dev *hdev,
2216 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2217 int mgmt_set_rssi_threshold(struct sock *sk, struct hci_dev *hdev,
2218 void *data, u16 len);
2219 void mgmt_rssi_alert_evt(struct hci_dev *hdev, u16 conn_handle,
2220 s8 alert_type, s8 rssi_dbm);
2221 void mgmt_raw_rssi_response(struct hci_dev *hdev,
2222 struct hci_cc_rp_get_raw_rssi *rp, int success);
2223 void mgmt_enable_rssi_cc(struct hci_dev *hdev, void *response, u8 status);
2224 int mgmt_device_name_update(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name,
2226 void mgmt_le_discovering(struct hci_dev *hdev, u8 discovering);
2227 int mgmt_le_conn_updated(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type,
2228 u8 dst_type, u16 conn_interval, u16 conn_latency,
2229 u16 supervision_timeout);
2230 int mgmt_le_conn_update_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2231 u8 link_type, u8 addr_type, u8 status);
2232 void mgmt_hardware_error(struct hci_dev *hdev, u8 err_code);
2233 void mgmt_tx_timeout_error(struct hci_dev *hdev);
2234 /* Pass adv type in the le device found */
2235 void mgmt_le_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2236 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, u8 *eir,
2237 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, u8 adv_type);
2238 void mgmt_multi_adv_state_change_evt(struct hci_dev *hdev, u8 adv_instance,
2239 u8 state_change_reason, u16 connection_handle);
2240 void mgmt_6lowpan_conn_changed(struct hci_dev *hdev, char if_name[16],
2241 bdaddr_t *bdaddr, u8 addr_type, bool connected);
2242 void mgmt_le_read_maximum_data_length_complete(struct hci_dev *hdev,
2244 void mgmt_le_write_host_suggested_data_length_complete(struct hci_dev *hdev,
2248 int hci_abort_conn(struct hci_conn *conn, u8 reason);
2249 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
2251 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
2252 __u8 ltk[16], __u8 key_size);
2254 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
2257 #define SCO_AIRMODE_MASK 0x0003
2258 #define SCO_AIRMODE_CVSD 0x0000
2259 #define SCO_AIRMODE_TRANSP 0x0003
2261 #define LOCAL_CODEC_ACL_MASK BIT(0)
2262 #define LOCAL_CODEC_SCO_MASK BIT(1)
2264 #define TRANSPORT_TYPE_MAX 0x04
2266 #endif /* __HCI_CORE_H */