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25#ifndef __HCI_CORE_H
26#define __HCI_CORE_H
27
28#include <net/bluetooth/hci.h>
29#include <net/bluetooth/hci_sock.h>
30
31
32#define HCI_PRIO_MAX 7
33
34
35struct inquiry_data {
36 bdaddr_t bdaddr;
37 __u8 pscan_rep_mode;
38 __u8 pscan_period_mode;
39 __u8 pscan_mode;
40 __u8 dev_class[3];
41 __le16 clock_offset;
42 __s8 rssi;
43 __u8 ssp_mode;
44};
45
46struct inquiry_entry {
47 struct list_head all;
48 struct list_head list;
49 enum {
50 NAME_NOT_KNOWN,
51 NAME_NEEDED,
52 NAME_PENDING,
53 NAME_KNOWN,
54 } name_state;
55 __u32 timestamp;
56 struct inquiry_data data;
57};
58
59struct discovery_state {
60 int type;
61 enum {
62 DISCOVERY_STOPPED,
63 DISCOVERY_STARTING,
64 DISCOVERY_FINDING,
65 DISCOVERY_RESOLVING,
66 DISCOVERY_STOPPING,
67 } state;
68 struct list_head all;
69 struct list_head unknown;
70 struct list_head resolve;
71 __u32 timestamp;
72 bdaddr_t last_adv_addr;
73 u8 last_adv_addr_type;
74 s8 last_adv_rssi;
75 u32 last_adv_flags;
76 u8 last_adv_data[HCI_MAX_AD_LENGTH];
77 u8 last_adv_data_len;
78 bool report_invalid_rssi;
79 bool result_filtering;
80 bool limited;
81 s8 rssi;
82 u16 uuid_count;
83 u8 (*uuids)[16];
84 unsigned long scan_start;
85 unsigned long scan_duration;
86};
87
88struct hci_conn_hash {
89 struct list_head list;
90 unsigned int acl_num;
91 unsigned int amp_num;
92 unsigned int sco_num;
93 unsigned int le_num;
94 unsigned int le_num_slave;
95};
96
97struct bdaddr_list {
98 struct list_head list;
99 bdaddr_t bdaddr;
100 u8 bdaddr_type;
101};
102
103struct bt_uuid {
104 struct list_head list;
105 u8 uuid[16];
106 u8 size;
107 u8 svc_hint;
108};
109
110struct smp_csrk {
111 bdaddr_t bdaddr;
112 u8 bdaddr_type;
113 u8 type;
114 u8 val[16];
115};
116
117struct smp_ltk {
118 struct list_head list;
119 struct rcu_head rcu;
120 bdaddr_t bdaddr;
121 u8 bdaddr_type;
122 u8 authenticated;
123 u8 type;
124 u8 enc_size;
125 __le16 ediv;
126 __le64 rand;
127 u8 val[16];
128};
129
130struct smp_irk {
131 struct list_head list;
132 struct rcu_head rcu;
133 bdaddr_t rpa;
134 bdaddr_t bdaddr;
135 u8 addr_type;
136 u8 val[16];
137};
138
139struct link_key {
140 struct list_head list;
141 struct rcu_head rcu;
142 bdaddr_t bdaddr;
143 u8 type;
144 u8 val[HCI_LINK_KEY_SIZE];
145 u8 pin_len;
146};
147
148struct oob_data {
149 struct list_head list;
150 bdaddr_t bdaddr;
151 u8 bdaddr_type;
152 u8 present;
153 u8 hash192[16];
154 u8 rand192[16];
155 u8 hash256[16];
156 u8 rand256[16];
157};
158
159struct adv_info {
160 struct list_head list;
161 bool pending;
162 __u8 instance;
163 __u32 flags;
164 __u16 timeout;
165 __u16 remaining_time;
166 __u16 duration;
167 __u16 adv_data_len;
168 __u8 adv_data[HCI_MAX_AD_LENGTH];
169 __u16 scan_rsp_len;
170 __u8 scan_rsp_data[HCI_MAX_AD_LENGTH];
171};
172
173#define HCI_MAX_ADV_INSTANCES 5
174#define HCI_DEFAULT_ADV_DURATION 2
175
176#define HCI_MAX_SHORT_NAME_LENGTH 10
177
178
179#define HCI_DEFAULT_RPA_TIMEOUT (15 * 60)
180
181
182#define DEFAULT_CONN_INFO_MIN_AGE 1000
183#define DEFAULT_CONN_INFO_MAX_AGE 3000
184
185struct amp_assoc {
186 __u16 len;
187 __u16 offset;
188 __u16 rem_len;
189 __u16 len_so_far;
190 __u8 data[HCI_MAX_AMP_ASSOC_SIZE];
191};
192
193#define HCI_MAX_PAGES 3
194
195struct hci_dev {
196 struct list_head list;
197 struct mutex lock;
198
199 char name[8];
200 unsigned long flags;
201 __u16 id;
202 __u8 bus;
203 __u8 dev_type;
204 bdaddr_t bdaddr;
205 bdaddr_t setup_addr;
206 bdaddr_t public_addr;
207 bdaddr_t random_addr;
208 bdaddr_t static_addr;
209 __u8 adv_addr_type;
210 __u8 dev_name[HCI_MAX_NAME_LENGTH];
211 __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
212 __u8 eir[HCI_MAX_EIR_LENGTH];
213 __u8 dev_class[3];
214 __u8 major_class;
215 __u8 minor_class;
216 __u8 max_page;
217 __u8 features[HCI_MAX_PAGES][8];
218 __u8 le_features[8];
219 __u8 le_white_list_size;
220 __u8 le_states[8];
221 __u8 commands[64];
222 __u8 hci_ver;
223 __u16 hci_rev;
224 __u8 lmp_ver;
225 __u16 manufacturer;
226 __u16 lmp_subver;
227 __u16 voice_setting;
228 __u8 num_iac;
229 __u8 stored_max_keys;
230 __u8 stored_num_keys;
231 __u8 io_capability;
232 __s8 inq_tx_power;
233 __u16 page_scan_interval;
234 __u16 page_scan_window;
235 __u8 page_scan_type;
236 __u8 le_adv_channel_map;
237 __u16 le_adv_min_interval;
238 __u16 le_adv_max_interval;
239 __u8 le_scan_type;
240 __u16 le_scan_interval;
241 __u16 le_scan_window;
242 __u16 le_conn_min_interval;
243 __u16 le_conn_max_interval;
244 __u16 le_conn_latency;
245 __u16 le_supv_timeout;
246 __u16 le_def_tx_len;
247 __u16 le_def_tx_time;
248 __u16 le_max_tx_len;
249 __u16 le_max_tx_time;
250 __u16 le_max_rx_len;
251 __u16 le_max_rx_time;
252 __u16 discov_interleaved_timeout;
253 __u16 conn_info_min_age;
254 __u16 conn_info_max_age;
255 __u8 ssp_debug_mode;
256 __u8 hw_error_code;
257 __u32 clock;
258
259 __u16 devid_source;
260 __u16 devid_vendor;
261 __u16 devid_product;
262 __u16 devid_version;
263
264 __u16 pkt_type;
265 __u16 esco_type;
266 __u16 link_policy;
267 __u16 link_mode;
268
269 __u32 idle_timeout;
270 __u16 sniff_min_interval;
271 __u16 sniff_max_interval;
272
273 __u8 amp_status;
274 __u32 amp_total_bw;
275 __u32 amp_max_bw;
276 __u32 amp_min_latency;
277 __u32 amp_max_pdu;
278 __u8 amp_type;
279 __u16 amp_pal_cap;
280 __u16 amp_assoc_size;
281 __u32 amp_max_flush_to;
282 __u32 amp_be_flush_to;
283
284 struct amp_assoc loc_assoc;
285
286 __u8 flow_ctl_mode;
287
288 unsigned int auto_accept_delay;
289
290 unsigned long quirks;
291
292 atomic_t cmd_cnt;
293 unsigned int acl_cnt;
294 unsigned int sco_cnt;
295 unsigned int le_cnt;
296
297 unsigned int acl_mtu;
298 unsigned int sco_mtu;
299 unsigned int le_mtu;
300 unsigned int acl_pkts;
301 unsigned int sco_pkts;
302 unsigned int le_pkts;
303
304 __u16 block_len;
305 __u16 block_mtu;
306 __u16 num_blocks;
307 __u16 block_cnt;
308
309 unsigned long acl_last_tx;
310 unsigned long sco_last_tx;
311 unsigned long le_last_tx;
312
313 struct workqueue_struct *workqueue;
314 struct workqueue_struct *req_workqueue;
315
316 struct work_struct power_on;
317 struct delayed_work power_off;
318 struct work_struct error_reset;
319
320 __u16 discov_timeout;
321 struct delayed_work discov_off;
322
323 struct delayed_work service_cache;
324
325 struct delayed_work cmd_timer;
326
327 struct work_struct rx_work;
328 struct work_struct cmd_work;
329 struct work_struct tx_work;
330
331 struct work_struct discov_update;
332 struct work_struct bg_scan_update;
333 struct work_struct scan_update;
334 struct work_struct connectable_update;
335 struct work_struct discoverable_update;
336 struct delayed_work le_scan_disable;
337 struct delayed_work le_scan_restart;
338
339 struct sk_buff_head rx_q;
340 struct sk_buff_head raw_q;
341 struct sk_buff_head cmd_q;
342
343 struct sk_buff *sent_cmd;
344
345 struct mutex req_lock;
346 wait_queue_head_t req_wait_q;
347 __u32 req_status;
348 __u32 req_result;
349 struct sk_buff *req_skb;
350
351 void *smp_data;
352 void *smp_bredr_data;
353
354 struct discovery_state discovery;
355 struct hci_conn_hash conn_hash;
356
357 struct list_head mgmt_pending;
358 struct list_head blacklist;
359 struct list_head whitelist;
360 struct list_head uuids;
361 struct list_head link_keys;
362 struct list_head long_term_keys;
363 struct list_head identity_resolving_keys;
364 struct list_head remote_oob_data;
365 struct list_head le_white_list;
366 struct list_head le_conn_params;
367 struct list_head pend_le_conns;
368 struct list_head pend_le_reports;
369
370 struct hci_dev_stats stat;
371
372 atomic_t promisc;
373
374 struct dentry *debugfs;
375
376 struct device dev;
377
378 struct rfkill *rfkill;
379
380 DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
381
382 __s8 adv_tx_power;
383 __u8 adv_data[HCI_MAX_AD_LENGTH];
384 __u8 adv_data_len;
385 __u8 scan_rsp_data[HCI_MAX_AD_LENGTH];
386 __u8 scan_rsp_data_len;
387
388 struct list_head adv_instances;
389 unsigned int adv_instance_cnt;
390 __u8 cur_adv_instance;
391 __u16 adv_instance_timeout;
392 struct delayed_work adv_instance_expire;
393
394 __u8 irk[16];
395 __u32 rpa_timeout;
396 struct delayed_work rpa_expired;
397 bdaddr_t rpa;
398
399 int (*open)(struct hci_dev *hdev);
400 int (*close)(struct hci_dev *hdev);
401 int (*flush)(struct hci_dev *hdev);
402 int (*setup)(struct hci_dev *hdev);
403 int (*shutdown)(struct hci_dev *hdev);
404 int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
405 void (*notify)(struct hci_dev *hdev, unsigned int evt);
406 void (*hw_error)(struct hci_dev *hdev, u8 code);
407 int (*post_init)(struct hci_dev *hdev);
408 int (*set_diag)(struct hci_dev *hdev, bool enable);
409 int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
410};
411
412#define HCI_PHY_HANDLE(handle) (handle & 0xff)
413
414struct hci_conn {
415 struct list_head list;
416
417 atomic_t refcnt;
418
419 bdaddr_t dst;
420 __u8 dst_type;
421 bdaddr_t src;
422 __u8 src_type;
423 bdaddr_t init_addr;
424 __u8 init_addr_type;
425 bdaddr_t resp_addr;
426 __u8 resp_addr_type;
427 __u16 handle;
428 __u16 state;
429 __u8 mode;
430 __u8 type;
431 __u8 role;
432 bool out;
433 __u8 attempt;
434 __u8 dev_class[3];
435 __u8 features[HCI_MAX_PAGES][8];
436 __u16 pkt_type;
437 __u16 link_policy;
438 __u8 key_type;
439 __u8 auth_type;
440 __u8 sec_level;
441 __u8 pending_sec_level;
442 __u8 pin_length;
443 __u8 enc_key_size;
444 __u8 io_capability;
445 __u32 passkey_notify;
446 __u8 passkey_entered;
447 __u16 disc_timeout;
448 __u16 conn_timeout;
449 __u16 setting;
450 __u16 le_conn_min_interval;
451 __u16 le_conn_max_interval;
452 __u16 le_conn_interval;
453 __u16 le_conn_latency;
454 __u16 le_supv_timeout;
455 __u8 le_adv_data[HCI_MAX_AD_LENGTH];
456 __u8 le_adv_data_len;
457 __s8 rssi;
458 __s8 tx_power;
459 __s8 max_tx_power;
460 unsigned long flags;
461
462 __u32 clock;
463 __u16 clock_accuracy;
464
465 unsigned long conn_info_timestamp;
466
467 __u8 remote_cap;
468 __u8 remote_auth;
469 __u8 remote_id;
470
471 unsigned int sent;
472
473 struct sk_buff_head data_q;
474 struct list_head chan_list;
475
476 struct delayed_work disc_work;
477 struct delayed_work auto_accept_work;
478 struct delayed_work idle_work;
479 struct delayed_work le_conn_timeout;
480 struct work_struct le_scan_cleanup;
481
482 struct device dev;
483 struct dentry *debugfs;
484
485 struct hci_dev *hdev;
486 void *l2cap_data;
487 void *sco_data;
488 struct amp_mgr *amp_mgr;
489
490 struct hci_conn *link;
491
492 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
493 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
494 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
495};
496
497struct hci_chan {
498 struct list_head list;
499 __u16 handle;
500 struct hci_conn *conn;
501 struct sk_buff_head data_q;
502 unsigned int sent;
503 __u8 state;
504};
505
506struct hci_conn_params {
507 struct list_head list;
508 struct list_head action;
509
510 bdaddr_t addr;
511 u8 addr_type;
512
513 u16 conn_min_interval;
514 u16 conn_max_interval;
515 u16 conn_latency;
516 u16 supervision_timeout;
517
518 enum {
519 HCI_AUTO_CONN_DISABLED,
520 HCI_AUTO_CONN_REPORT,
521 HCI_AUTO_CONN_DIRECT,
522 HCI_AUTO_CONN_ALWAYS,
523 HCI_AUTO_CONN_LINK_LOSS,
524 HCI_AUTO_CONN_EXPLICIT,
525 } auto_connect;
526
527 struct hci_conn *conn;
528 bool explicit_connect;
529};
530
531extern struct list_head hci_dev_list;
532extern struct list_head hci_cb_list;
533extern rwlock_t hci_dev_list_lock;
534extern struct mutex hci_cb_list_lock;
535
536#define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags)
537#define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags)
538#define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags)
539#define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags)
540#define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags)
541#define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags)
542#define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
543
544#define hci_dev_clear_volatile_flags(hdev) \
545 do { \
546 hci_dev_clear_flag(hdev, HCI_LE_SCAN); \
547 hci_dev_clear_flag(hdev, HCI_LE_ADV); \
548 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \
549 } while (0)
550
551
552int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
553int l2cap_disconn_ind(struct hci_conn *hcon);
554void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
555
556#if IS_ENABLED(CONFIG_BT_BREDR)
557int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
558void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
559#else
560static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
561 __u8 *flags)
562{
563 return 0;
564}
565
566static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
567{
568}
569#endif
570
571
572#define INQUIRY_CACHE_AGE_MAX (HZ*30)
573#define INQUIRY_ENTRY_AGE_MAX (HZ*60)
574
575static inline void discovery_init(struct hci_dev *hdev)
576{
577 hdev->discovery.state = DISCOVERY_STOPPED;
578 INIT_LIST_HEAD(&hdev->discovery.all);
579 INIT_LIST_HEAD(&hdev->discovery.unknown);
580 INIT_LIST_HEAD(&hdev->discovery.resolve);
581 hdev->discovery.report_invalid_rssi = true;
582 hdev->discovery.rssi = HCI_RSSI_INVALID;
583}
584
585static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
586{
587 hdev->discovery.result_filtering = false;
588 hdev->discovery.report_invalid_rssi = true;
589 hdev->discovery.rssi = HCI_RSSI_INVALID;
590 hdev->discovery.uuid_count = 0;
591 kfree(hdev->discovery.uuids);
592 hdev->discovery.uuids = NULL;
593 hdev->discovery.scan_start = 0;
594 hdev->discovery.scan_duration = 0;
595}
596
597bool hci_discovery_active(struct hci_dev *hdev);
598
599void hci_discovery_set_state(struct hci_dev *hdev, int state);
600
601static inline int inquiry_cache_empty(struct hci_dev *hdev)
602{
603 return list_empty(&hdev->discovery.all);
604}
605
606static inline long inquiry_cache_age(struct hci_dev *hdev)
607{
608 struct discovery_state *c = &hdev->discovery;
609 return jiffies - c->timestamp;
610}
611
612static inline long inquiry_entry_age(struct inquiry_entry *e)
613{
614 return jiffies - e->timestamp;
615}
616
617struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
618 bdaddr_t *bdaddr);
619struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
620 bdaddr_t *bdaddr);
621struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
622 bdaddr_t *bdaddr,
623 int state);
624void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
625 struct inquiry_entry *ie);
626u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
627 bool name_known);
628void hci_inquiry_cache_flush(struct hci_dev *hdev);
629
630
631enum {
632 HCI_CONN_AUTH_PEND,
633 HCI_CONN_REAUTH_PEND,
634 HCI_CONN_ENCRYPT_PEND,
635 HCI_CONN_RSWITCH_PEND,
636 HCI_CONN_MODE_CHANGE_PEND,
637 HCI_CONN_SCO_SETUP_PEND,
638 HCI_CONN_MGMT_CONNECTED,
639 HCI_CONN_SSP_ENABLED,
640 HCI_CONN_SC_ENABLED,
641 HCI_CONN_AES_CCM,
642 HCI_CONN_POWER_SAVE,
643 HCI_CONN_FLUSH_KEY,
644 HCI_CONN_ENCRYPT,
645 HCI_CONN_AUTH,
646 HCI_CONN_SECURE,
647 HCI_CONN_FIPS,
648 HCI_CONN_STK_ENCRYPT,
649 HCI_CONN_AUTH_INITIATOR,
650 HCI_CONN_DROP,
651 HCI_CONN_PARAM_REMOVAL_PEND,
652 HCI_CONN_NEW_LINK_KEY,
653 HCI_CONN_SCANNING,
654};
655
656static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
657{
658 struct hci_dev *hdev = conn->hdev;
659 return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
660 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
661}
662
663static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
664{
665 struct hci_dev *hdev = conn->hdev;
666 return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
667 test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
668}
669
670static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
671{
672 struct hci_conn_hash *h = &hdev->conn_hash;
673 list_add_rcu(&c->list, &h->list);
674 switch (c->type) {
675 case ACL_LINK:
676 h->acl_num++;
677 break;
678 case AMP_LINK:
679 h->amp_num++;
680 break;
681 case LE_LINK:
682 h->le_num++;
683 if (c->role == HCI_ROLE_SLAVE)
684 h->le_num_slave++;
685 break;
686 case SCO_LINK:
687 case ESCO_LINK:
688 h->sco_num++;
689 break;
690 }
691}
692
693static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
694{
695 struct hci_conn_hash *h = &hdev->conn_hash;
696
697 list_del_rcu(&c->list);
698 synchronize_rcu();
699
700 switch (c->type) {
701 case ACL_LINK:
702 h->acl_num--;
703 break;
704 case AMP_LINK:
705 h->amp_num--;
706 break;
707 case LE_LINK:
708 h->le_num--;
709 if (c->role == HCI_ROLE_SLAVE)
710 h->le_num_slave--;
711 break;
712 case SCO_LINK:
713 case ESCO_LINK:
714 h->sco_num--;
715 break;
716 }
717}
718
719static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
720{
721 struct hci_conn_hash *h = &hdev->conn_hash;
722 switch (type) {
723 case ACL_LINK:
724 return h->acl_num;
725 case AMP_LINK:
726 return h->amp_num;
727 case LE_LINK:
728 return h->le_num;
729 case SCO_LINK:
730 case ESCO_LINK:
731 return h->sco_num;
732 default:
733 return 0;
734 }
735}
736
737static inline unsigned int hci_conn_count(struct hci_dev *hdev)
738{
739 struct hci_conn_hash *c = &hdev->conn_hash;
740
741 return c->acl_num + c->amp_num + c->sco_num + c->le_num;
742}
743
744static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
745{
746 struct hci_conn_hash *h = &hdev->conn_hash;
747 struct hci_conn *c;
748 __u8 type = INVALID_LINK;
749
750 rcu_read_lock();
751
752 list_for_each_entry_rcu(c, &h->list, list) {
753 if (c->handle == handle) {
754 type = c->type;
755 break;
756 }
757 }
758
759 rcu_read_unlock();
760
761 return type;
762}
763
764static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
765 __u16 handle)
766{
767 struct hci_conn_hash *h = &hdev->conn_hash;
768 struct hci_conn *c;
769
770 rcu_read_lock();
771
772 list_for_each_entry_rcu(c, &h->list, list) {
773 if (c->handle == handle) {
774 rcu_read_unlock();
775 return c;
776 }
777 }
778 rcu_read_unlock();
779
780 return NULL;
781}
782
783static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
784 __u8 type, bdaddr_t *ba)
785{
786 struct hci_conn_hash *h = &hdev->conn_hash;
787 struct hci_conn *c;
788
789 rcu_read_lock();
790
791 list_for_each_entry_rcu(c, &h->list, list) {
792 if (c->type == type && !bacmp(&c->dst, ba)) {
793 rcu_read_unlock();
794 return c;
795 }
796 }
797
798 rcu_read_unlock();
799
800 return NULL;
801}
802
803static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
804 bdaddr_t *ba,
805 __u8 ba_type)
806{
807 struct hci_conn_hash *h = &hdev->conn_hash;
808 struct hci_conn *c;
809
810 rcu_read_lock();
811
812 list_for_each_entry_rcu(c, &h->list, list) {
813 if (c->type != LE_LINK)
814 continue;
815
816 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
817 rcu_read_unlock();
818 return c;
819 }
820 }
821
822 rcu_read_unlock();
823
824 return NULL;
825}
826
827static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
828 __u8 type, __u16 state)
829{
830 struct hci_conn_hash *h = &hdev->conn_hash;
831 struct hci_conn *c;
832
833 rcu_read_lock();
834
835 list_for_each_entry_rcu(c, &h->list, list) {
836 if (c->type == type && c->state == state) {
837 rcu_read_unlock();
838 return c;
839 }
840 }
841
842 rcu_read_unlock();
843
844 return NULL;
845}
846
847static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)
848{
849 struct hci_conn_hash *h = &hdev->conn_hash;
850 struct hci_conn *c;
851
852 rcu_read_lock();
853
854 list_for_each_entry_rcu(c, &h->list, list) {
855 if (c->type == LE_LINK && c->state == BT_CONNECT &&
856 !test_bit(HCI_CONN_SCANNING, &c->flags)) {
857 rcu_read_unlock();
858 return c;
859 }
860 }
861
862 rcu_read_unlock();
863
864 return NULL;
865}
866
867int hci_disconnect(struct hci_conn *conn, __u8 reason);
868bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
869void hci_sco_setup(struct hci_conn *conn, __u8 status);
870
871struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
872 u8 role);
873int hci_conn_del(struct hci_conn *conn);
874void hci_conn_hash_flush(struct hci_dev *hdev);
875void hci_conn_check_pending(struct hci_dev *hdev);
876
877struct hci_chan *hci_chan_create(struct hci_conn *conn);
878void hci_chan_del(struct hci_chan *chan);
879void hci_chan_list_flush(struct hci_conn *conn);
880struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
881
882struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
883 u8 dst_type, u8 sec_level,
884 u16 conn_timeout);
885struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
886 u8 dst_type, u8 sec_level, u16 conn_timeout,
887 u8 role);
888struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
889 u8 sec_level, u8 auth_type);
890struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
891 __u16 setting);
892int hci_conn_check_link_mode(struct hci_conn *conn);
893int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
894int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
895 bool initiator);
896int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
897
898void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
899
900void hci_le_conn_failed(struct hci_conn *conn, u8 status);
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)
924{
925 get_device(&conn->dev);
926 return conn;
927}
928
929static inline void hci_conn_put(struct hci_conn *conn)
930{
931 put_device(&conn->dev);
932}
933
934static inline void hci_conn_hold(struct hci_conn *conn)
935{
936 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
937
938 atomic_inc(&conn->refcnt);
939 cancel_delayed_work(&conn->disc_work);
940}
941
942static inline void hci_conn_drop(struct hci_conn *conn)
943{
944 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
945
946 if (atomic_dec_and_test(&conn->refcnt)) {
947 unsigned long timeo;
948
949 switch (conn->type) {
950 case ACL_LINK:
951 case LE_LINK:
952 cancel_delayed_work(&conn->idle_work);
953 if (conn->state == BT_CONNECTED) {
954 timeo = conn->disc_timeout;
955 if (!conn->out)
956 timeo *= 2;
957 } else {
958 timeo = 0;
959 }
960 break;
961
962 case AMP_LINK:
963 timeo = conn->disc_timeout;
964 break;
965
966 default:
967 timeo = 0;
968 break;
969 }
970
971 cancel_delayed_work(&conn->disc_work);
972 queue_delayed_work(conn->hdev->workqueue,
973 &conn->disc_work, timeo);
974 }
975}
976
977
978static inline void hci_dev_put(struct hci_dev *d)
979{
980 BT_DBG("%s orig refcnt %d", d->name,
981 atomic_read(&d->dev.kobj.kref.refcount));
982
983 put_device(&d->dev);
984}
985
986static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
987{
988 BT_DBG("%s orig refcnt %d", d->name,
989 atomic_read(&d->dev.kobj.kref.refcount));
990
991 get_device(&d->dev);
992 return d;
993}
994
995#define hci_dev_lock(d) mutex_lock(&d->lock)
996#define hci_dev_unlock(d) mutex_unlock(&d->lock)
997
998#define to_hci_dev(d) container_of(d, struct hci_dev, dev)
999#define to_hci_conn(c) container_of(c, struct hci_conn, dev)
1000
1001static inline void *hci_get_drvdata(struct hci_dev *hdev)
1002{
1003 return dev_get_drvdata(&hdev->dev);
1004}
1005
1006static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
1007{
1008 dev_set_drvdata(&hdev->dev, data);
1009}
1010
1011struct hci_dev *hci_dev_get(int index);
1012struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src);
1013
1014struct hci_dev *hci_alloc_dev(void);
1015void hci_free_dev(struct hci_dev *hdev);
1016int hci_register_dev(struct hci_dev *hdev);
1017void hci_unregister_dev(struct hci_dev *hdev);
1018int hci_suspend_dev(struct hci_dev *hdev);
1019int hci_resume_dev(struct hci_dev *hdev);
1020int hci_reset_dev(struct hci_dev *hdev);
1021int hci_dev_open(__u16 dev);
1022int hci_dev_close(__u16 dev);
1023int hci_dev_do_close(struct hci_dev *hdev);
1024int hci_dev_reset(__u16 dev);
1025int hci_dev_reset_stat(__u16 dev);
1026int hci_dev_cmd(unsigned int cmd, void __user *arg);
1027int hci_get_dev_list(void __user *arg);
1028int hci_get_dev_info(void __user *arg);
1029int hci_get_conn_list(void __user *arg);
1030int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
1031int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1032int hci_inquiry(void __user *arg);
1033
1034struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
1035 bdaddr_t *bdaddr, u8 type);
1036int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1037int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1038void hci_bdaddr_list_clear(struct list_head *list);
1039
1040struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
1041 bdaddr_t *addr, u8 addr_type);
1042struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
1043 bdaddr_t *addr, u8 addr_type);
1044void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
1045void hci_conn_params_clear_disabled(struct hci_dev *hdev);
1046
1047struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
1048 bdaddr_t *addr,
1049 u8 addr_type);
1050
1051void hci_uuids_clear(struct hci_dev *hdev);
1052
1053void hci_link_keys_clear(struct hci_dev *hdev);
1054struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1055struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
1056 bdaddr_t *bdaddr, u8 *val, u8 type,
1057 u8 pin_len, bool *persistent);
1058struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1059 u8 addr_type, u8 type, u8 authenticated,
1060 u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
1061struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1062 u8 addr_type, u8 role);
1063int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
1064void hci_smp_ltks_clear(struct hci_dev *hdev);
1065int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1066
1067struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);
1068struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
1069 u8 addr_type);
1070struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1071 u8 addr_type, u8 val[16], bdaddr_t *rpa);
1072void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
1073void hci_smp_irks_clear(struct hci_dev *hdev);
1074
1075bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1076
1077void hci_remote_oob_data_clear(struct hci_dev *hdev);
1078struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
1079 bdaddr_t *bdaddr, u8 bdaddr_type);
1080int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1081 u8 bdaddr_type, u8 *hash192, u8 *rand192,
1082 u8 *hash256, u8 *rand256);
1083int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1084 u8 bdaddr_type);
1085
1086void hci_adv_instances_clear(struct hci_dev *hdev);
1087struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);
1088struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);
1089int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags,
1090 u16 adv_data_len, u8 *adv_data,
1091 u16 scan_rsp_len, u8 *scan_rsp_data,
1092 u16 timeout, u16 duration);
1093int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
1094
1095void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
1096
1097int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
1098int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
1099
1100void hci_init_sysfs(struct hci_dev *hdev);
1101void hci_conn_init_sysfs(struct hci_conn *conn);
1102void hci_conn_add_sysfs(struct hci_conn *conn);
1103void hci_conn_del_sysfs(struct hci_conn *conn);
1104
1105#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1106
1107
1108#define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT)
1109#define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH)
1110#define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD)
1111#define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF)
1112#define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK)
1113#define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ)
1114#define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO)
1115#define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR))
1116#define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE)
1117#define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)
1118#define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)
1119#define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ)
1120#define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))
1121#define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR)
1122#define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH)
1123#define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO)
1124#define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)
1125#define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES)
1126#define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT)
1127
1128
1129#define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER)
1130#define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE)
1131#define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)
1132#define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN)
1133#define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC)
1134#define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING)
1135
1136
1137#define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP)
1138#define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC)
1139#define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE))
1140#define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
1141
1142#define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \
1143 !hci_dev_test_flag(dev, HCI_AUTO_OFF))
1144#define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \
1145 hci_dev_test_flag(dev, HCI_SC_ENABLED))
1146
1147
1148#define HCI_PROTO_DEFER 0x01
1149
1150static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
1151 __u8 type, __u8 *flags)
1152{
1153 switch (type) {
1154 case ACL_LINK:
1155 return l2cap_connect_ind(hdev, bdaddr);
1156
1157 case SCO_LINK:
1158 case ESCO_LINK:
1159 return sco_connect_ind(hdev, bdaddr, flags);
1160
1161 default:
1162 BT_ERR("unknown link type %d", type);
1163 return -EINVAL;
1164 }
1165}
1166
1167static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1168{
1169 if (conn->type != ACL_LINK && conn->type != LE_LINK)
1170 return HCI_ERROR_REMOTE_USER_TERM;
1171
1172 return l2cap_disconn_ind(conn);
1173}
1174
1175
1176struct hci_cb {
1177 struct list_head list;
1178
1179 char *name;
1180
1181 void (*connect_cfm) (struct hci_conn *conn, __u8 status);
1182 void (*disconn_cfm) (struct hci_conn *conn, __u8 status);
1183 void (*security_cfm) (struct hci_conn *conn, __u8 status,
1184 __u8 encrypt);
1185 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
1186 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
1187};
1188
1189static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
1190{
1191 struct hci_cb *cb;
1192
1193 mutex_lock(&hci_cb_list_lock);
1194 list_for_each_entry(cb, &hci_cb_list, list) {
1195 if (cb->connect_cfm)
1196 cb->connect_cfm(conn, status);
1197 }
1198 mutex_unlock(&hci_cb_list_lock);
1199
1200 if (conn->connect_cfm_cb)
1201 conn->connect_cfm_cb(conn, status);
1202}
1203
1204static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
1205{
1206 struct hci_cb *cb;
1207
1208 mutex_lock(&hci_cb_list_lock);
1209 list_for_each_entry(cb, &hci_cb_list, list) {
1210 if (cb->disconn_cfm)
1211 cb->disconn_cfm(conn, reason);
1212 }
1213 mutex_unlock(&hci_cb_list_lock);
1214
1215 if (conn->disconn_cfm_cb)
1216 conn->disconn_cfm_cb(conn, reason);
1217}
1218
1219static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
1220{
1221 struct hci_cb *cb;
1222 __u8 encrypt;
1223
1224 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
1225 return;
1226
1227 encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
1228
1229 mutex_lock(&hci_cb_list_lock);
1230 list_for_each_entry(cb, &hci_cb_list, list) {
1231 if (cb->security_cfm)
1232 cb->security_cfm(conn, status, encrypt);
1233 }
1234 mutex_unlock(&hci_cb_list_lock);
1235
1236 if (conn->security_cfm_cb)
1237 conn->security_cfm_cb(conn, status);
1238}
1239
1240static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
1241 __u8 encrypt)
1242{
1243 struct hci_cb *cb;
1244
1245 if (conn->sec_level == BT_SECURITY_SDP)
1246 conn->sec_level = BT_SECURITY_LOW;
1247
1248 if (conn->pending_sec_level > conn->sec_level)
1249 conn->sec_level = conn->pending_sec_level;
1250
1251 mutex_lock(&hci_cb_list_lock);
1252 list_for_each_entry(cb, &hci_cb_list, list) {
1253 if (cb->security_cfm)
1254 cb->security_cfm(conn, status, encrypt);
1255 }
1256 mutex_unlock(&hci_cb_list_lock);
1257
1258 if (conn->security_cfm_cb)
1259 conn->security_cfm_cb(conn, status);
1260}
1261
1262static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
1263{
1264 struct hci_cb *cb;
1265
1266 mutex_lock(&hci_cb_list_lock);
1267 list_for_each_entry(cb, &hci_cb_list, list) {
1268 if (cb->key_change_cfm)
1269 cb->key_change_cfm(conn, status);
1270 }
1271 mutex_unlock(&hci_cb_list_lock);
1272}
1273
1274static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
1275 __u8 role)
1276{
1277 struct hci_cb *cb;
1278
1279 mutex_lock(&hci_cb_list_lock);
1280 list_for_each_entry(cb, &hci_cb_list, list) {
1281 if (cb->role_switch_cfm)
1282 cb->role_switch_cfm(conn, status, role);
1283 }
1284 mutex_unlock(&hci_cb_list_lock);
1285}
1286
1287static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type,
1288 size_t *data_len)
1289{
1290 size_t parsed = 0;
1291
1292 if (eir_len < 2)
1293 return NULL;
1294
1295 while (parsed < eir_len - 1) {
1296 u8 field_len = eir[0];
1297
1298 if (field_len == 0)
1299 break;
1300
1301 parsed += field_len + 1;
1302
1303 if (parsed > eir_len)
1304 break;
1305
1306 if (eir[1] != type) {
1307 eir += field_len + 1;
1308 continue;
1309 }
1310
1311
1312 if (field_len == 1)
1313 return NULL;
1314
1315 if (data_len)
1316 *data_len = field_len - 1;
1317
1318 return &eir[2];
1319 }
1320
1321 return NULL;
1322}
1323
1324static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
1325{
1326 if (addr_type != ADDR_LE_DEV_RANDOM)
1327 return false;
1328
1329 if ((bdaddr->b[5] & 0xc0) == 0x40)
1330 return true;
1331
1332 return false;
1333}
1334
1335static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
1336{
1337 if (addr_type == ADDR_LE_DEV_PUBLIC)
1338 return true;
1339
1340
1341 if ((addr->b[5] & 0xc0) == 0xc0)
1342 return true;
1343
1344 return false;
1345}
1346
1347static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
1348 bdaddr_t *bdaddr, u8 addr_type)
1349{
1350 if (!hci_bdaddr_is_rpa(bdaddr, addr_type))
1351 return NULL;
1352
1353 return hci_find_irk_by_rpa(hdev, bdaddr);
1354}
1355
1356static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
1357 u16 to_multiplier)
1358{
1359 u16 max_latency;
1360
1361 if (min > max || min < 6 || max > 3200)
1362 return -EINVAL;
1363
1364 if (to_multiplier < 10 || to_multiplier > 3200)
1365 return -EINVAL;
1366
1367 if (max >= to_multiplier * 8)
1368 return -EINVAL;
1369
1370 max_latency = (to_multiplier * 4 / max) - 1;
1371 if (latency > 499 || latency > max_latency)
1372 return -EINVAL;
1373
1374 return 0;
1375}
1376
1377int hci_register_cb(struct hci_cb *hcb);
1378int hci_unregister_cb(struct hci_cb *hcb);
1379
1380struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
1381 const void *param, u32 timeout);
1382struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen,
1383 const void *param, u8 event, u32 timeout);
1384
1385int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
1386 const void *param);
1387void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
1388void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1389
1390void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1391
1392struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
1393 const void *param, u32 timeout);
1394
1395
1396void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
1397void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,
1398 int flag, struct sock *skip_sk);
1399void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
1400
1401void hci_sock_dev_event(struct hci_dev *hdev, int event);
1402
1403#define HCI_MGMT_VAR_LEN BIT(0)
1404#define HCI_MGMT_NO_HDEV BIT(1)
1405#define HCI_MGMT_UNTRUSTED BIT(2)
1406#define HCI_MGMT_UNCONFIGURED BIT(3)
1407
1408struct hci_mgmt_handler {
1409 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
1410 u16 data_len);
1411 size_t data_len;
1412 unsigned long flags;
1413};
1414
1415struct hci_mgmt_chan {
1416 struct list_head list;
1417 unsigned short channel;
1418 size_t handler_count;
1419 const struct hci_mgmt_handler *handlers;
1420 void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
1421};
1422
1423int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
1424void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
1425
1426
1427#define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))
1428#define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \
1429 BIT(BDADDR_LE_RANDOM))
1430#define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \
1431 BIT(BDADDR_LE_PUBLIC) | \
1432 BIT(BDADDR_LE_RANDOM))
1433
1434
1435
1436
1437#define DISCOV_LE_SCAN_WIN 0x12
1438#define DISCOV_LE_SCAN_INT 0x12
1439#define DISCOV_LE_TIMEOUT 10240
1440#define DISCOV_INTERLEAVED_TIMEOUT 5120
1441#define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04
1442#define DISCOV_BREDR_INQUIRY_LEN 0x08
1443#define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200)
1444
1445int mgmt_new_settings(struct hci_dev *hdev);
1446void mgmt_index_added(struct hci_dev *hdev);
1447void mgmt_index_removed(struct hci_dev *hdev);
1448void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
1449void mgmt_power_on(struct hci_dev *hdev, int err);
1450void __mgmt_power_off(struct hci_dev *hdev);
1451void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
1452 bool persistent);
1453void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
1454 u32 flags, u8 *name, u8 name_len);
1455void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
1456 u8 link_type, u8 addr_type, u8 reason,
1457 bool mgmt_connected);
1458void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
1459 u8 link_type, u8 addr_type, u8 status);
1460void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
1461 u8 addr_type, u8 status);
1462void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
1463void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
1464 u8 status);
1465void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
1466 u8 status);
1467int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
1468 u8 link_type, u8 addr_type, u32 value,
1469 u8 confirm_hint);
1470int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
1471 u8 link_type, u8 addr_type, u8 status);
1472int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
1473 u8 link_type, u8 addr_type, u8 status);
1474int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
1475 u8 link_type, u8 addr_type);
1476int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
1477 u8 link_type, u8 addr_type, u8 status);
1478int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
1479 u8 link_type, u8 addr_type, u8 status);
1480int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
1481 u8 link_type, u8 addr_type, u32 passkey,
1482 u8 entered);
1483void mgmt_auth_failed(struct hci_conn *conn, u8 status);
1484void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
1485void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
1486void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
1487 u8 status);
1488void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
1489void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
1490void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
1491void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
1492 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
1493 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len);
1494void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
1495 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
1496void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
1497bool mgmt_powering_down(struct hci_dev *hdev);
1498void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
1499void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
1500void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
1501 bool persistent);
1502void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
1503 u8 bdaddr_type, u8 store_hint, u16 min_interval,
1504 u16 max_interval, u16 latency, u16 timeout);
1505void mgmt_smp_complete(struct hci_conn *conn, bool complete);
1506bool mgmt_get_connectable(struct hci_dev *hdev);
1507void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status);
1508void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status);
1509u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
1510void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
1511 u8 instance);
1512void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
1513 u8 instance);
1514
1515u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
1516 u16 to_multiplier);
1517void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
1518 __u8 ltk[16], __u8 key_size);
1519
1520void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
1521 u8 *bdaddr_type);
1522
1523#define SCO_AIRMODE_MASK 0x0003
1524#define SCO_AIRMODE_CVSD 0x0000
1525#define SCO_AIRMODE_TRANSP 0x0003
1526
1527#endif
1528
