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