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Bluetooth: Move EIR and CoD update functions to a better position
[mirror_ubuntu-bionic-kernel.git] / include / net / bluetooth / hci_core.h
CommitLineData
04fafe4e 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
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;
10
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
04fafe4e
RS		 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
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
04fafe4e
RS		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25#ifndef __HCI_CORE_H
26#define __HCI_CORE_H
27
a6b7a407 28#include <linux/interrupt.h>
1da177e4
LT		 29#include <net/bluetooth/hci.h>
30
31/* HCI upper protocols */
32#define HCI_PROTO_L2CAP 0
33#define HCI_PROTO_SCO 1
34
5e59b791
LAD		 35/* HCI priority */
36#define HCI_PRIO_MAX 7
37
1da177e4 38/* HCI Core structures */
1da177e4
LT		 39struct inquiry_data {
40 bdaddr_t bdaddr;
41 __u8 pscan_rep_mode;
42 __u8 pscan_period_mode;
43 __u8 pscan_mode;
44 __u8 dev_class[3];
1ebb9252 45 __le16 clock_offset;
1da177e4 46 __s8 rssi;
41a96212 47 __u8 ssp_mode;
1da177e4
LT		 48};
49
50struct inquiry_entry {
70f23020 51 struct inquiry_entry *next;
1da177e4
LT		 52 __u32 timestamp;
53 struct inquiry_data data;
54};
55
56struct inquiry_cache {
70f23020 57 spinlock_t lock;
1da177e4 58 __u32 timestamp;
70f23020 59 struct inquiry_entry *list;
1da177e4
LT		 60};
61
62struct hci_conn_hash {
63 struct list_head list;
1da177e4
LT		 64 unsigned int acl_num;
65 unsigned int sco_num;
fcd89c09 66 unsigned int le_num;
1da177e4
LT		 67};
68
f0358568
JH		 69struct bdaddr_list {
70 struct list_head list;
71 bdaddr_t bdaddr;
72};
2aeb9a1a
JH		 73
74struct bt_uuid {
75 struct list_head list;
76 u8 uuid[16];
1aff6f09 77 u8 svc_hint;
2aeb9a1a
JH		 78};
79
34918cd7
VCG		 80struct key_master_id {
81 __le16 ediv;
82 u8 rand[8];
83} __packed;
84
85struct link_key_data {
86 bdaddr_t bdaddr;
87 u8 type;
88 u8 val[16];
89 u8 pin_len;
90 u8 dlen;
91 u8 data[0];
92} __packed;
93
55ed8ca1
JH		 94struct link_key {
95 struct list_head list;
96 bdaddr_t bdaddr;
97 u8 type;
98 u8 val[16];
99 u8 pin_len;
34918cd7
VCG		 100 u8 dlen;
101 u8 data[0];
55ed8ca1
JH		 102};
103
2763eda6
SJ		 104struct oob_data {
105 struct list_head list;
106 bdaddr_t bdaddr;
107 u8 hash[16];
108 u8 randomizer[16];
109};
110
76c8686f
AG		 111struct adv_entry {
112 struct list_head list;
113 bdaddr_t bdaddr;
114 u8 bdaddr_type;
115};
116
cd4c5391 117#define NUM_REASSEMBLY 4
1da177e4
LT		 118struct hci_dev {
119 struct list_head list;
09fd0de5 120 struct mutex lock;
1da177e4
LT		 121 atomic_t refcnt;
122
123 char name[8];
124 unsigned long flags;
125 __u16 id;
c13854ce 126 __u8 bus;
943da25d 127 __u8 dev_type;
1da177e4 128 bdaddr_t bdaddr;
1f6c6378 129 __u8 dev_name[HCI_MAX_NAME_LENGTH];
80a1e1db 130 __u8 eir[HCI_MAX_EIR_LENGTH];
a9de9248 131 __u8 dev_class[3];
1aff6f09
JH		 132 __u8 major_class;
133 __u8 minor_class;
1da177e4 134 __u8 features[8];
971e3a4b 135 __u8 extfeatures[8];
a9de9248 136 __u8 commands[64];
333140b5 137 __u8 ssp_mode;
1143e5a6
MH		 138 __u8 hci_ver;
139 __u16 hci_rev;
d5859e22 140 __u8 lmp_ver;
1143e5a6 141 __u16 manufacturer;
d5859e22 142 __le16 lmp_subver;
1da177e4 143 __u16 voice_setting;
17fa4b9d 144 __u8 io_capability;
1da177e4
LT		 145
146 __u16 pkt_type;
5b7f9909 147 __u16 esco_type;
1da177e4
LT		 148 __u16 link_policy;
149 __u16 link_mode;
150
04837f64
MH		 151 __u32 idle_timeout;
152 __u16 sniff_min_interval;
153 __u16 sniff_max_interval;
154
928abaa7
AE		 155 __u8 amp_status;
156 __u32 amp_total_bw;
157 __u32 amp_max_bw;
158 __u32 amp_min_latency;
159 __u32 amp_max_pdu;
160 __u8 amp_type;
161 __u16 amp_pal_cap;
162 __u16 amp_assoc_size;
163 __u32 amp_max_flush_to;
164 __u32 amp_be_flush_to;
165
1e89cffb
AE		 166 __u8 flow_ctl_mode;
167
9f61656a
JH		 168 unsigned int auto_accept_delay;
169
1da177e4
LT		 170 unsigned long quirks;
171
172 atomic_t cmd_cnt;
173 unsigned int acl_cnt;
174 unsigned int sco_cnt;
6ed58ec5 175 unsigned int le_cnt;
1da177e4
LT		 176
177 unsigned int acl_mtu;
178 unsigned int sco_mtu;
6ed58ec5 179 unsigned int le_mtu;
1da177e4
LT		 180 unsigned int acl_pkts;
181 unsigned int sco_pkts;
6ed58ec5 182 unsigned int le_pkts;
1da177e4 183
1da177e4
LT		 184 unsigned long acl_last_tx;
185 unsigned long sco_last_tx;
6ed58ec5 186 unsigned long le_last_tx;
1da177e4 187
f48fd9c8
MH		 188 struct workqueue_struct *workqueue;
189
ab81cbf9 190 struct work_struct power_on;
3243553f 191 struct delayed_work power_off;
ab81cbf9 192
16ab91ab
JH		 193 __u16 discov_timeout;
194 struct delayed_work discov_off;
195
6bd32326 196 struct timer_list cmd_timer;
b78752cc
MH		 197
198 struct work_struct rx_work;
c347b765 199 struct work_struct cmd_work;
3eff45ea 200 struct work_struct tx_work;
1da177e4
LT		 201
202 struct sk_buff_head rx_q;
203 struct sk_buff_head raw_q;
204 struct sk_buff_head cmd_q;
205
206 struct sk_buff *sent_cmd;
cd4c5391 207 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 208
a6a67efd 209 struct mutex req_lock;
1da177e4
LT		 210 wait_queue_head_t req_wait_q;
211 __u32 req_status;
212 __u32 req_result;
a5040efa
JH		 213
214 __u16 init_last_cmd;
1da177e4 215
2e58ef3e
JH		 216 struct list_head mgmt_pending;
217
1da177e4
LT		 218 struct inquiry_cache inq_cache;
219 struct hci_conn_hash conn_hash;
ea4bd8ba 220 struct list_head blacklist;
1da177e4 221
2aeb9a1a
JH		 222 struct list_head uuids;
223
55ed8ca1
JH		 224 struct list_head link_keys;
225
2763eda6
SJ		 226 struct list_head remote_oob_data;
227
76c8686f 228 struct list_head adv_entries;
db323f2f 229 struct delayed_work adv_work;
76c8686f 230
1da177e4
LT		 231 struct hci_dev_stats stat;
232
233 struct sk_buff_head driver_init;
234
235 void *driver_data;
236 void *core_data;
237
70f23020 238 atomic_t promisc;
1da177e4 239
ca325f69
MH		 240 struct dentry *debugfs;
241
a91f2e39
MH		 242 struct device *parent;
243 struct device dev;
1da177e4 244
611b30f7
MH		 245 struct rfkill *rfkill;
246
70f23020 247 struct module *owner;
1da177e4 248
d23264a8
AG		 249 unsigned long dev_flags;
250
1da177e4
LT		 251 int (*open)(struct hci_dev *hdev);
252 int (*close)(struct hci_dev *hdev);
253 int (*flush)(struct hci_dev *hdev);
254 int (*send)(struct sk_buff *skb);
255 void (*destruct)(struct hci_dev *hdev);
256 void (*notify)(struct hci_dev *hdev, unsigned int evt);
257 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
258};
259
260struct hci_conn {
261 struct list_head list;
262
adc4266d 263 atomic_t refcnt;
adc4266d
SJ		 264
265 bdaddr_t dst;
5a9d0a3f 266 __u8 dst_type;
adc4266d
SJ		 267 __u16 handle;
268 __u16 state;
269 __u8 mode;
270 __u8 type;
271 __u8 out;
272 __u8 attempt;
273 __u8 dev_class[3];
274 __u8 features[8];
275 __u8 ssp_mode;
276 __u16 interval;
277 __u16 pkt_type;
278 __u16 link_policy;
279 __u32 link_mode;
13d39315 280 __u8 key_type;
adc4266d
SJ		 281 __u8 auth_type;
282 __u8 sec_level;
283 __u8 pending_sec_level;
284 __u8 pin_length;
726b4ffc 285 __u8 enc_key_size;
adc4266d
SJ		 286 __u8 io_capability;
287 __u8 power_save;
288 __u16 disc_timeout;
289 unsigned long pend;
04837f64 290
03b555e1
JH		 291 __u8 remote_cap;
292 __u8 remote_oob;
293 __u8 remote_auth;
294
adc4266d 295 unsigned int sent;
04837f64 296
1da177e4 297 struct sk_buff_head data_q;
2c33c06a 298 struct list_head chan_list;
1da177e4 299
19c40e3b 300 struct delayed_work disc_work;
04837f64 301 struct timer_list idle_timer;
9f61656a 302 struct timer_list auto_accept_timer;
04837f64 303
b219e3ac 304 struct device dev;
9eba32b8 305 atomic_t devref;
b219e3ac 306
1da177e4
LT		 307 struct hci_dev *hdev;
308 void *l2cap_data;
309 void *sco_data;
1da177e4
LT		 310
311 struct hci_conn *link;
e9a416b5
JH		 312
313 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
314 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
315 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 316};
317
73d80deb
LAD		 318struct hci_chan {
319 struct list_head list;
320
321 struct hci_conn *conn;
322 struct sk_buff_head data_q;
323 unsigned int sent;
324};
325
1da177e4
LT		 326extern struct hci_proto *hci_proto[];
327extern struct list_head hci_dev_list;
328extern struct list_head hci_cb_list;
329extern rwlock_t hci_dev_list_lock;
330extern rwlock_t hci_cb_list_lock;
331
332/* ----- Inquiry cache ----- */
70f23020
AE		 333#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
334#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4
LT		 335
336#define inquiry_cache_lock(c) spin_lock(&c->lock)
337#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
338#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
339#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
340
341static inline void inquiry_cache_init(struct hci_dev *hdev)
342{
343 struct inquiry_cache *c = &hdev->inq_cache;
344 spin_lock_init(&c->lock);
345 c->list = NULL;
346}
347
348static inline int inquiry_cache_empty(struct hci_dev *hdev)
349{
350 struct inquiry_cache *c = &hdev->inq_cache;
a02cec21 351 return c->list == NULL;
1da177e4
LT		 352}
353
354static inline long inquiry_cache_age(struct hci_dev *hdev)
355{
356 struct inquiry_cache *c = &hdev->inq_cache;
357 return jiffies - c->timestamp;
358}
359
360static inline long inquiry_entry_age(struct inquiry_entry *e)
361{
362 return jiffies - e->timestamp;
363}
364
5a9d0a3f
WR		 365struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
366 bdaddr_t *bdaddr);
1da177e4
LT		 367void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
368
369/* ----- HCI Connections ----- */
370enum {
371 HCI_CONN_AUTH_PEND,
19f8def0 372 HCI_CONN_REAUTH_PEND,
1da177e4 373 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 374 HCI_CONN_RSWITCH_PEND,
375 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 376 HCI_CONN_SCO_SETUP_PEND,
d26a2345 377 HCI_CONN_LE_SMP_PEND,
1da177e4
LT		 378};
379
380static inline void hci_conn_hash_init(struct hci_dev *hdev)
381{
382 struct hci_conn_hash *h = &hdev->conn_hash;
383 INIT_LIST_HEAD(&h->list);
1da177e4
LT		 384 h->acl_num = 0;
385 h->sco_num = 0;
dc8ed672 386 h->le_num = 0;
1da177e4
LT		 387}
388
389static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
390{
391 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325 392 list_add_rcu(&c->list, &h->list);
fcd89c09
VT		 393 switch (c->type) {
394 case ACL_LINK:
1da177e4 395 h->acl_num++;
fcd89c09
VT		 396 break;
397 case LE_LINK:
398 h->le_num++;
399 break;
400 case SCO_LINK:
401 case ESCO_LINK:
1da177e4 402 h->sco_num++;
fcd89c09
VT		 403 break;
404 }
1da177e4
LT		 405}
406
407static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
408{
409 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325
GP		 410
411 list_del_rcu(&c->list);
412 synchronize_rcu();
413
fcd89c09
VT		 414 switch (c->type) {
415 case ACL_LINK:
1da177e4 416 h->acl_num--;
fcd89c09
VT		 417 break;
418 case LE_LINK:
419 h->le_num--;
420 break;
421 case SCO_LINK:
422 case ESCO_LINK:
1da177e4 423 h->sco_num--;
fcd89c09
VT		 424 break;
425 }
1da177e4
LT		 426}
427
52087a79
LAD		 428static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
429{
430 struct hci_conn_hash *h = &hdev->conn_hash;
431 switch (type) {
432 case ACL_LINK:
433 return h->acl_num;
434 case LE_LINK:
435 return h->le_num;
436 case SCO_LINK:
437 case ESCO_LINK:
438 return h->sco_num;
439 default:
440 return 0;
441 }
442}
443
1da177e4 444static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
adc4266d 445 __u16 handle)
1da177e4
LT		 446{
447 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 448 struct hci_conn *c;
449
bf4c6325
GP		 450 rcu_read_lock();
451
452 list_for_each_entry_rcu(c, &h->list, list) {
453 if (c->handle == handle) {
454 rcu_read_unlock();
1da177e4 455 return c;
bf4c6325 456 }
1da177e4 457 }
bf4c6325
GP		 458 rcu_read_unlock();
459
1da177e4
LT		 460 return NULL;
461}
462
463static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
adc4266d 464 __u8 type, bdaddr_t *ba)
1da177e4
LT		 465{
466 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 467 struct hci_conn *c;
468
bf4c6325
GP		 469 rcu_read_lock();
470
471 list_for_each_entry_rcu(c, &h->list, list) {
472 if (c->type == type && !bacmp(&c->dst, ba)) {
473 rcu_read_unlock();
1da177e4 474 return c;
bf4c6325 475 }
1da177e4 476 }
bf4c6325
GP		 477
478 rcu_read_unlock();
479
1da177e4
LT		 480 return NULL;
481}
482
4c67bc74 483static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
adc4266d 484 __u8 type, __u16 state)
4c67bc74
MH		 485{
486 struct hci_conn_hash *h = &hdev->conn_hash;
4c67bc74
MH		 487 struct hci_conn *c;
488
bf4c6325
GP		 489 rcu_read_lock();
490
491 list_for_each_entry_rcu(c, &h->list, list) {
492 if (c->type == type && c->state == state) {
493 rcu_read_unlock();
4c67bc74 494 return c;
bf4c6325 495 }
4c67bc74 496 }
bf4c6325
GP		 497
498 rcu_read_unlock();
499
4c67bc74
MH		 500 return NULL;
501}
502
503void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 504void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
505void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 506void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 507void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT		 508
509struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 510int hci_conn_del(struct hci_conn *conn);
511void hci_conn_hash_flush(struct hci_dev *hdev);
512void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 513
73d80deb
LAD		 514struct hci_chan *hci_chan_create(struct hci_conn *conn);
515int hci_chan_del(struct hci_chan *chan);
2c33c06a 516void hci_chan_list_flush(struct hci_conn *conn);
73d80deb 517
5a9d0a3f
WR		 518struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
519 __u8 sec_level, __u8 auth_type);
e7c29cb1 520int hci_conn_check_link_mode(struct hci_conn *conn);
b3b1b061 521int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
0684e5f9 522int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 523int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 524int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 525
14b12d0b 526void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1da177e4 527
9eba32b8
MH		 528void hci_conn_hold_device(struct hci_conn *conn);
529void hci_conn_put_device(struct hci_conn *conn);
530
1da177e4
LT		 531static inline void hci_conn_hold(struct hci_conn *conn)
532{
533 atomic_inc(&conn->refcnt);
19c40e3b 534 cancel_delayed_work_sync(&conn->disc_work);
1da177e4
LT		 535}
536
537static inline void hci_conn_put(struct hci_conn *conn)
538{
539 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 540 unsigned long timeo;
454d48ff 541 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
04837f64 542 del_timer(&conn->idle_timer);
6ac59344 543 if (conn->state == BT_CONNECTED) {
052b30b0 544 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 545 if (!conn->out)
052b30b0 546 timeo *= 2;
5a9d0a3f 547 } else {
6ac59344 548 timeo = msecs_to_jiffies(10);
5a9d0a3f
WR		 549 }
550 } else {
04837f64 551 timeo = msecs_to_jiffies(10);
5a9d0a3f 552 }
19c40e3b
GP		 553 cancel_delayed_work_sync(&conn->disc_work);
554 queue_delayed_work(conn->hdev->workqueue,
555 &conn->disc_work, jiffies + timeo);
1da177e4
LT		 556 }
557}
558
1da177e4
LT		 559/* ----- HCI Devices ----- */
560static inline void __hci_dev_put(struct hci_dev *d)
561{
562 if (atomic_dec_and_test(&d->refcnt))
563 d->destruct(d);
564}
565
566static inline void hci_dev_put(struct hci_dev *d)
04fafe4e 567{
1da177e4
LT		 568 __hci_dev_put(d);
569 module_put(d->owner);
570}
571
572static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
573{
574 atomic_inc(&d->refcnt);
575 return d;
576}
577
578static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
579{
580 if (try_module_get(d->owner))
581 return __hci_dev_hold(d);
582 return NULL;
583}
584
09fd0de5
GP		 585#define hci_dev_lock(d) mutex_lock(&d->lock)
586#define hci_dev_unlock(d) mutex_unlock(&d->lock)
1da177e4
LT		 587
588struct hci_dev *hci_dev_get(int index);
589struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
590
591struct hci_dev *hci_alloc_dev(void);
592void hci_free_dev(struct hci_dev *hdev);
593int hci_register_dev(struct hci_dev *hdev);
59735631 594void hci_unregister_dev(struct hci_dev *hdev);
1da177e4
LT		 595int hci_suspend_dev(struct hci_dev *hdev);
596int hci_resume_dev(struct hci_dev *hdev);
597int hci_dev_open(__u16 dev);
598int hci_dev_close(__u16 dev);
599int hci_dev_reset(__u16 dev);
600int hci_dev_reset_stat(__u16 dev);
601int hci_dev_cmd(unsigned int cmd, void __user *arg);
602int hci_get_dev_list(void __user *arg);
603int hci_get_dev_info(void __user *arg);
604int hci_get_conn_list(void __user *arg);
605int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 606int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 607int hci_inquiry(void __user *arg);
608
f0358568
JH		 609struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
610int hci_blacklist_clear(struct hci_dev *hdev);
b2a66aad
AJ		 611int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
612int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
f0358568 613
2aeb9a1a
JH		 614int hci_uuids_clear(struct hci_dev *hdev);
615
55ed8ca1
JH		 616int hci_link_keys_clear(struct hci_dev *hdev);
617struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
d25e28ab
JH		 618int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
619 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
75d262c2
VCG		 620struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
621struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
622 bdaddr_t *bdaddr, u8 type);
623int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
726b4ffc 624 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
55ed8ca1
JH		 625int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
626
2763eda6
SJ		 627int hci_remote_oob_data_clear(struct hci_dev *hdev);
628struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
629 bdaddr_t *bdaddr);
630int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
631 u8 *randomizer);
632int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
633
35815085 634#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
76c8686f
AG		 635int hci_adv_entries_clear(struct hci_dev *hdev);
636struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
637int hci_add_adv_entry(struct hci_dev *hdev,
638 struct hci_ev_le_advertising_info *ev);
639
ab81cbf9
JH		 640void hci_del_off_timer(struct hci_dev *hdev);
641
1da177e4
LT		 642void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
643
76bca880 644int hci_recv_frame(struct sk_buff *skb);
ef222013 645int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 646int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 647
0ac7e700 648void hci_init_sysfs(struct hci_dev *hdev);
ce242970
DH		 649int hci_add_sysfs(struct hci_dev *hdev);
650void hci_del_sysfs(struct hci_dev *hdev);
a67e899c 651void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 652void hci_conn_add_sysfs(struct hci_conn *conn);
653void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 654
a91f2e39 655#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 656
657/* ----- LMP capabilities ----- */
04837f64
MH		 658#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
659#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
660#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
661#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 662#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 663#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 664#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 665#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
1da177e4 666
eead27da
AG		 667/* ----- Extended LMP capabilities ----- */
668#define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
669
1da177e4
LT		 670/* ----- HCI protocols ----- */
671struct hci_proto {
8c1b2355 672 char *name;
1da177e4
LT		 673 unsigned int id;
674 unsigned long flags;
675
676 void *priv;
677
5a9d0a3f
WR		 678 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
679 __u8 type);
1da177e4 680 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
2950f21a
MH		 681 int (*disconn_ind) (struct hci_conn *conn);
682 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
5a9d0a3f
WR		 683 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
684 __u16 flags);
1da177e4 685 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
5a9d0a3f
WR		 686 int (*security_cfm) (struct hci_conn *conn, __u8 status,
687 __u8 encrypt);
1da177e4
LT		 688};
689
5a9d0a3f
WR		 690static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
691 __u8 type)
1da177e4
LT		 692{
693 register struct hci_proto *hp;
694 int mask = 0;
8c1b2355 695
1da177e4
LT		 696 hp = hci_proto[HCI_PROTO_L2CAP];
697 if (hp && hp->connect_ind)
698 mask |= hp->connect_ind(hdev, bdaddr, type);
699
700 hp = hci_proto[HCI_PROTO_SCO];
701 if (hp && hp->connect_ind)
702 mask |= hp->connect_ind(hdev, bdaddr, type);
703
704 return mask;
705}
706
707static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
708{
709 register struct hci_proto *hp;
710
711 hp = hci_proto[HCI_PROTO_L2CAP];
712 if (hp && hp->connect_cfm)
713 hp->connect_cfm(conn, status);
714
715 hp = hci_proto[HCI_PROTO_SCO];
716 if (hp && hp->connect_cfm)
717 hp->connect_cfm(conn, status);
e9a416b5
JH		 718
719 if (conn->connect_cfm_cb)
720 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 721}
722
2950f21a 723static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4
LT		 724{
725 register struct hci_proto *hp;
9f5a0d7b 726 int reason = HCI_ERROR_REMOTE_USER_TERM;
1da177e4
LT		 727
728 hp = hci_proto[HCI_PROTO_L2CAP];
729 if (hp && hp->disconn_ind)
2950f21a 730 reason = hp->disconn_ind(conn);
1da177e4
LT		 731
732 hp = hci_proto[HCI_PROTO_SCO];
733 if (hp && hp->disconn_ind)
2950f21a
MH		 734 reason = hp->disconn_ind(conn);
735
736 return reason;
737}
738
739static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
740{
741 register struct hci_proto *hp;
742
743 hp = hci_proto[HCI_PROTO_L2CAP];
744 if (hp && hp->disconn_cfm)
745 hp->disconn_cfm(conn, reason);
746
747 hp = hci_proto[HCI_PROTO_SCO];
748 if (hp && hp->disconn_cfm)
749 hp->disconn_cfm(conn, reason);
e9a416b5
JH		 750
751 if (conn->disconn_cfm_cb)
752 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 753}
754
755static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
756{
757 register struct hci_proto *hp;
8c1b2355
MH		 758 __u8 encrypt;
759
760 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
761 return;
762
763 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
1da177e4
LT		 764
765 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 766 if (hp && hp->security_cfm)
767 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 768
769 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 770 if (hp && hp->security_cfm)
771 hp->security_cfm(conn, status, encrypt);
e9a416b5
JH		 772
773 if (conn->security_cfm_cb)
774 conn->security_cfm_cb(conn, status);
1da177e4
LT		 775}
776
5a9d0a3f
WR		 777static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
778 __u8 encrypt)
1da177e4
LT		 779{
780 register struct hci_proto *hp;
781
782 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 783 if (hp && hp->security_cfm)
784 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 785
786 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 787 if (hp && hp->security_cfm)
788 hp->security_cfm(conn, status, encrypt);
e9a416b5
JH		 789
790 if (conn->security_cfm_cb)
791 conn->security_cfm_cb(conn, status);
1da177e4
LT		 792}
793
794int hci_register_proto(struct hci_proto *hproto);
795int hci_unregister_proto(struct hci_proto *hproto);
796
797/* ----- HCI callbacks ----- */
798struct hci_cb {
799 struct list_head list;
800
801 char *name;
802
5a9d0a3f
WR		 803 void (*security_cfm) (struct hci_conn *conn, __u8 status,
804 __u8 encrypt);
1da177e4
LT		 805 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
806 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
807};
808
809static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
810{
811 struct list_head *p;
8c1b2355 812 __u8 encrypt;
1da177e4
LT		 813
814 hci_proto_auth_cfm(conn, status);
815
8c1b2355
MH		 816 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
817 return;
818
819 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
820
1da177e4
LT		 821 read_lock_bh(&hci_cb_list_lock);
822 list_for_each(p, &hci_cb_list) {
823 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 824 if (cb->security_cfm)
825 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 826 }
827 read_unlock_bh(&hci_cb_list_lock);
828}
829
5a9d0a3f
WR		 830static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
831 __u8 encrypt)
1da177e4
LT		 832{
833 struct list_head *p;
834
435fef20
MH		 835 if (conn->sec_level == BT_SECURITY_SDP)
836 conn->sec_level = BT_SECURITY_LOW;
837
88167aed
VCG		 838 if (conn->pending_sec_level > conn->sec_level)
839 conn->sec_level = conn->pending_sec_level;
840
9719f8af 841 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT		 842
843 read_lock_bh(&hci_cb_list_lock);
844 list_for_each(p, &hci_cb_list) {
845 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 846 if (cb->security_cfm)
847 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 848 }
849 read_unlock_bh(&hci_cb_list_lock);
850}
851
852static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
853{
854 struct list_head *p;
855
856 read_lock_bh(&hci_cb_list_lock);
857 list_for_each(p, &hci_cb_list) {
858 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
859 if (cb->key_change_cfm)
860 cb->key_change_cfm(conn, status);
861 }
862 read_unlock_bh(&hci_cb_list_lock);
863}
864
5a9d0a3f
WR		 865static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
866 __u8 role)
1da177e4
LT		 867{
868 struct list_head *p;
869
870 read_lock_bh(&hci_cb_list_lock);
871 list_for_each(p, &hci_cb_list) {
872 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
873 if (cb->role_switch_cfm)
874 cb->role_switch_cfm(conn, status, role);
875 }
876 read_unlock_bh(&hci_cb_list_lock);
877}
878
879int hci_register_cb(struct hci_cb *hcb);
880int hci_unregister_cb(struct hci_cb *hcb);
881
882int hci_register_notifier(struct notifier_block *nb);
883int hci_unregister_notifier(struct notifier_block *nb);
884
a9de9248 885int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
73d80deb 886void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
0d861d8b 887void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 888
a9de9248 889void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 890
891void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
892
893/* ----- HCI Sockets ----- */
eec8d2bc
JH		 894void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
895 struct sock *skip_sk);
1da177e4 896
0381101f
JH		 897/* Management interface */
898int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
744cf19e
JH		 899int mgmt_index_added(struct hci_dev *hdev);
900int mgmt_index_removed(struct hci_dev *hdev);
901int mgmt_powered(struct hci_dev *hdev, u8 powered);
902int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
903int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
904int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
905int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
906 u8 persistent);
48264f06
JH		 907int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
908 u8 addr_type);
909int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
910 u8 addr_type);
37d9ef76 911int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
48264f06
JH		 912int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
913 u8 addr_type, u8 status);
744cf19e
JH		 914int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
915int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
c35938b2 916 u8 status);
744cf19e
JH		 917int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
918 u8 status);
919int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
920 __le32 value, u8 confirm_hint);
921int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
922 u8 status);
923int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
924 bdaddr_t *bdaddr, u8 status);
604086b7
BG		 925int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
926int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
927 u8 status);
928int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
929 bdaddr_t *bdaddr, u8 status);
744cf19e
JH		 930int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
931int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
932int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
933 u8 *randomizer, u8 status);
48264f06
JH		 934int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
935 u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir);
744cf19e 936int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
7a135109 937int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
e6d465cb 938int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
744cf19e
JH		 939int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
940int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
941int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
0381101f 942
1da177e4
LT		 943/* HCI info for socket */
944#define hci_pi(sk) ((struct hci_pinfo *) sk)
945
14c0b608
JH		 946/* HCI socket flags */
947#define HCI_PI_MGMT_INIT 0
948
1da177e4
LT		 949struct hci_pinfo {
950 struct bt_sock bt;
951 struct hci_dev *hdev;
952 struct hci_filter filter;
953 __u32 cmsg_mask;
c02178d2 954 unsigned short channel;
14c0b608 955 unsigned long flags;
1da177e4
LT		 956};
957
958/* HCI security filter */
959#define HCI_SFLT_MAX_OGF 5
960
961struct hci_sec_filter {
962 __u32 type_mask;
963 __u32 event_mask[2];
964 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
965};
966
967/* ----- HCI requests ----- */
968#define HCI_REQ_DONE 0
969#define HCI_REQ_PEND 1
970#define HCI_REQ_CANCELED 2
971
a6a67efd
TG		 972#define hci_req_lock(d) mutex_lock(&d->req_lock)
973#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 974
23bb5763 975void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4 976
2ce603eb
CT		 977void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
978 u16 latency, u16 to_multiplier);
a7a595f6
VCG		 979void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
980 __u8 ltk[16]);
981void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
982void hci_le_ltk_neg_reply(struct hci_conn *conn);
983
2519a1fc 984int hci_do_inquiry(struct hci_dev *hdev, u8 length);
023d5049 985int hci_cancel_inquiry(struct hci_dev *hdev);
2519a1fc 986
1da177e4 987#endif /* __HCI_CORE_H */
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