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Bluetooth: Add user readable debug for state changes
[deliverable/linux.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;
64 spinlock_t lock;
65 unsigned int acl_num;
66 unsigned int sco_num;
fcd89c09 67 unsigned int le_num;
1da177e4
LT		 68};
69
73d80deb
LAD		 70struct hci_chan_hash {
71 struct list_head list;
72 spinlock_t lock;
73 unsigned int num;
74};
75
f0358568
JH		 76struct bdaddr_list {
77 struct list_head list;
78 bdaddr_t bdaddr;
79};
2aeb9a1a
JH		 80
81struct bt_uuid {
82 struct list_head list;
83 u8 uuid[16];
1aff6f09 84 u8 svc_hint;
2aeb9a1a
JH		 85};
86
34918cd7
VCG		 87struct key_master_id {
88 __le16 ediv;
89 u8 rand[8];
90} __packed;
91
92struct link_key_data {
93 bdaddr_t bdaddr;
94 u8 type;
95 u8 val[16];
96 u8 pin_len;
97 u8 dlen;
98 u8 data[0];
99} __packed;
100
55ed8ca1
JH		 101struct link_key {
102 struct list_head list;
103 bdaddr_t bdaddr;
104 u8 type;
105 u8 val[16];
106 u8 pin_len;
34918cd7
VCG		 107 u8 dlen;
108 u8 data[0];
55ed8ca1
JH		 109};
110
2763eda6
SJ		 111struct oob_data {
112 struct list_head list;
113 bdaddr_t bdaddr;
114 u8 hash[16];
115 u8 randomizer[16];
116};
117
76c8686f
AG		 118struct adv_entry {
119 struct list_head list;
120 bdaddr_t bdaddr;
121 u8 bdaddr_type;
122};
123
cd4c5391 124#define NUM_REASSEMBLY 4
1da177e4
LT		 125struct hci_dev {
126 struct list_head list;
127 spinlock_t lock;
128 atomic_t refcnt;
129
130 char name[8];
131 unsigned long flags;
132 __u16 id;
c13854ce 133 __u8 bus;
943da25d 134 __u8 dev_type;
1da177e4 135 bdaddr_t bdaddr;
1f6c6378 136 __u8 dev_name[HCI_MAX_NAME_LENGTH];
80a1e1db 137 __u8 eir[HCI_MAX_EIR_LENGTH];
a9de9248 138 __u8 dev_class[3];
1aff6f09
JH		 139 __u8 major_class;
140 __u8 minor_class;
1da177e4 141 __u8 features[8];
971e3a4b 142 __u8 extfeatures[8];
a9de9248 143 __u8 commands[64];
333140b5 144 __u8 ssp_mode;
1143e5a6
MH		 145 __u8 hci_ver;
146 __u16 hci_rev;
d5859e22 147 __u8 lmp_ver;
1143e5a6 148 __u16 manufacturer;
d5859e22 149 __le16 lmp_subver;
1da177e4 150 __u16 voice_setting;
17fa4b9d 151 __u8 io_capability;
1da177e4
LT		 152
153 __u16 pkt_type;
5b7f9909 154 __u16 esco_type;
1da177e4
LT		 155 __u16 link_policy;
156 __u16 link_mode;
157
04837f64
MH		 158 __u32 idle_timeout;
159 __u16 sniff_min_interval;
160 __u16 sniff_max_interval;
161
928abaa7
AE		 162 __u8 amp_status;
163 __u32 amp_total_bw;
164 __u32 amp_max_bw;
165 __u32 amp_min_latency;
166 __u32 amp_max_pdu;
167 __u8 amp_type;
168 __u16 amp_pal_cap;
169 __u16 amp_assoc_size;
170 __u32 amp_max_flush_to;
171 __u32 amp_be_flush_to;
172
9f61656a
JH		 173 unsigned int auto_accept_delay;
174
1da177e4
LT		 175 unsigned long quirks;
176
177 atomic_t cmd_cnt;
178 unsigned int acl_cnt;
179 unsigned int sco_cnt;
6ed58ec5 180 unsigned int le_cnt;
1da177e4
LT		 181
182 unsigned int acl_mtu;
183 unsigned int sco_mtu;
6ed58ec5 184 unsigned int le_mtu;
1da177e4
LT		 185 unsigned int acl_pkts;
186 unsigned int sco_pkts;
6ed58ec5 187 unsigned int le_pkts;
1da177e4 188
1da177e4
LT		 189 unsigned long acl_last_tx;
190 unsigned long sco_last_tx;
6ed58ec5 191 unsigned long le_last_tx;
1da177e4 192
f48fd9c8
MH		 193 struct workqueue_struct *workqueue;
194
ab81cbf9 195 struct work_struct power_on;
3243553f 196 struct delayed_work power_off;
ab81cbf9 197
16ab91ab
JH		 198 __u16 discov_timeout;
199 struct delayed_work discov_off;
200
6bd32326 201 struct timer_list cmd_timer;
1da177e4
LT		 202 struct tasklet_struct cmd_task;
203 struct tasklet_struct rx_task;
204 struct tasklet_struct tx_task;
205
206 struct sk_buff_head rx_q;
207 struct sk_buff_head raw_q;
208 struct sk_buff_head cmd_q;
209
210 struct sk_buff *sent_cmd;
cd4c5391 211 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 212
a6a67efd 213 struct mutex req_lock;
1da177e4
LT		 214 wait_queue_head_t req_wait_q;
215 __u32 req_status;
216 __u32 req_result;
a5040efa
JH		 217
218 __u16 init_last_cmd;
1da177e4 219
2e58ef3e
JH		 220 struct list_head mgmt_pending;
221
1da177e4
LT		 222 struct inquiry_cache inq_cache;
223 struct hci_conn_hash conn_hash;
ea4bd8ba 224 struct list_head blacklist;
1da177e4 225
2aeb9a1a
JH		 226 struct list_head uuids;
227
55ed8ca1
JH		 228 struct list_head link_keys;
229
2763eda6
SJ		 230 struct list_head remote_oob_data;
231
76c8686f 232 struct list_head adv_entries;
35815085 233 struct timer_list adv_timer;
76c8686f 234
1da177e4
LT		 235 struct hci_dev_stats stat;
236
237 struct sk_buff_head driver_init;
238
239 void *driver_data;
240 void *core_data;
241
70f23020 242 atomic_t promisc;
1da177e4 243
ca325f69
MH		 244 struct dentry *debugfs;
245
a91f2e39
MH		 246 struct device *parent;
247 struct device dev;
1da177e4 248
611b30f7
MH		 249 struct rfkill *rfkill;
250
70f23020 251 struct module *owner;
1da177e4
LT		 252
253 int (*open)(struct hci_dev *hdev);
254 int (*close)(struct hci_dev *hdev);
255 int (*flush)(struct hci_dev *hdev);
256 int (*send)(struct sk_buff *skb);
257 void (*destruct)(struct hci_dev *hdev);
258 void (*notify)(struct hci_dev *hdev, unsigned int evt);
259 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
260};
261
262struct hci_conn {
263 struct list_head list;
264
adc4266d 265 atomic_t refcnt;
adc4266d
SJ		 266
267 bdaddr_t dst;
5a9d0a3f 268 __u8 dst_type;
adc4266d
SJ		 269 __u16 handle;
270 __u16 state;
271 __u8 mode;
272 __u8 type;
273 __u8 out;
274 __u8 attempt;
275 __u8 dev_class[3];
276 __u8 features[8];
277 __u8 ssp_mode;
278 __u16 interval;
279 __u16 pkt_type;
280 __u16 link_policy;
281 __u32 link_mode;
13d39315 282 __u8 key_type;
adc4266d
SJ		 283 __u8 auth_type;
284 __u8 sec_level;
285 __u8 pending_sec_level;
286 __u8 pin_length;
726b4ffc 287 __u8 enc_key_size;
adc4266d
SJ		 288 __u8 io_capability;
289 __u8 power_save;
290 __u16 disc_timeout;
291 unsigned long pend;
04837f64 292
03b555e1
JH		 293 __u8 remote_cap;
294 __u8 remote_oob;
295 __u8 remote_auth;
296
adc4266d 297 unsigned int sent;
04837f64 298
1da177e4 299 struct sk_buff_head data_q;
73d80deb 300 struct hci_chan_hash chan_hash;
1da177e4 301
04837f64
MH		 302 struct timer_list disc_timer;
303 struct timer_list idle_timer;
9f61656a 304 struct timer_list auto_accept_timer;
04837f64 305
f3784d83
RQ		 306 struct work_struct work_add;
307 struct work_struct work_del;
b219e3ac
MH		 308
309 struct device dev;
9eba32b8 310 atomic_t devref;
b219e3ac 311
1da177e4
LT		 312 struct hci_dev *hdev;
313 void *l2cap_data;
314 void *sco_data;
1da177e4
LT		 315
316 struct hci_conn *link;
e9a416b5
JH		 317
318 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
319 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
320 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 321};
322
73d80deb
LAD		 323struct hci_chan {
324 struct list_head list;
325
326 struct hci_conn *conn;
327 struct sk_buff_head data_q;
328 unsigned int sent;
329};
330
1da177e4
LT		 331extern struct hci_proto *hci_proto[];
332extern struct list_head hci_dev_list;
333extern struct list_head hci_cb_list;
334extern rwlock_t hci_dev_list_lock;
335extern rwlock_t hci_cb_list_lock;
336
337/* ----- Inquiry cache ----- */
70f23020
AE		 338#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
339#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4
LT		 340
341#define inquiry_cache_lock(c) spin_lock(&c->lock)
342#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
343#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
344#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
345
346static inline void inquiry_cache_init(struct hci_dev *hdev)
347{
348 struct inquiry_cache *c = &hdev->inq_cache;
349 spin_lock_init(&c->lock);
350 c->list = NULL;
351}
352
353static inline int inquiry_cache_empty(struct hci_dev *hdev)
354{
355 struct inquiry_cache *c = &hdev->inq_cache;
a02cec21 356 return c->list == NULL;
1da177e4
LT		 357}
358
359static inline long inquiry_cache_age(struct hci_dev *hdev)
360{
361 struct inquiry_cache *c = &hdev->inq_cache;
362 return jiffies - c->timestamp;
363}
364
365static inline long inquiry_entry_age(struct inquiry_entry *e)
366{
367 return jiffies - e->timestamp;
368}
369
5a9d0a3f
WR		 370struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
371 bdaddr_t *bdaddr);
1da177e4
LT		 372void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
373
374/* ----- HCI Connections ----- */
375enum {
376 HCI_CONN_AUTH_PEND,
19f8def0 377 HCI_CONN_REAUTH_PEND,
1da177e4 378 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 379 HCI_CONN_RSWITCH_PEND,
380 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 381 HCI_CONN_SCO_SETUP_PEND,
d26a2345 382 HCI_CONN_LE_SMP_PEND,
1da177e4
LT		 383};
384
385static inline void hci_conn_hash_init(struct hci_dev *hdev)
386{
387 struct hci_conn_hash *h = &hdev->conn_hash;
388 INIT_LIST_HEAD(&h->list);
389 spin_lock_init(&h->lock);
390 h->acl_num = 0;
391 h->sco_num = 0;
392}
393
394static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
395{
396 struct hci_conn_hash *h = &hdev->conn_hash;
397 list_add(&c->list, &h->list);
fcd89c09
VT		 398 switch (c->type) {
399 case ACL_LINK:
1da177e4 400 h->acl_num++;
fcd89c09
VT		 401 break;
402 case LE_LINK:
403 h->le_num++;
404 break;
405 case SCO_LINK:
406 case ESCO_LINK:
1da177e4 407 h->sco_num++;
fcd89c09
VT		 408 break;
409 }
1da177e4
LT		 410}
411
412static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
413{
414 struct hci_conn_hash *h = &hdev->conn_hash;
415 list_del(&c->list);
fcd89c09
VT		 416 switch (c->type) {
417 case ACL_LINK:
1da177e4 418 h->acl_num--;
fcd89c09
VT		 419 break;
420 case LE_LINK:
421 h->le_num--;
422 break;
423 case SCO_LINK:
424 case ESCO_LINK:
1da177e4 425 h->sco_num--;
fcd89c09
VT		 426 break;
427 }
1da177e4
LT		 428}
429
52087a79
LAD		 430static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
431{
432 struct hci_conn_hash *h = &hdev->conn_hash;
433 switch (type) {
434 case ACL_LINK:
435 return h->acl_num;
436 case LE_LINK:
437 return h->le_num;
438 case SCO_LINK:
439 case ESCO_LINK:
440 return h->sco_num;
441 default:
442 return 0;
443 }
444}
445
1da177e4 446static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
adc4266d 447 __u16 handle)
1da177e4
LT		 448{
449 struct hci_conn_hash *h = &hdev->conn_hash;
450 struct list_head *p;
451 struct hci_conn *c;
452
453 list_for_each(p, &h->list) {
454 c = list_entry(p, struct hci_conn, list);
455 if (c->handle == handle)
456 return c;
457 }
458 return NULL;
459}
460
461static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
adc4266d 462 __u8 type, bdaddr_t *ba)
1da177e4
LT		 463{
464 struct hci_conn_hash *h = &hdev->conn_hash;
465 struct list_head *p;
466 struct hci_conn *c;
467
468 list_for_each(p, &h->list) {
469 c = list_entry(p, struct hci_conn, list);
470 if (c->type == type && !bacmp(&c->dst, ba))
471 return c;
472 }
473 return NULL;
474}
475
4c67bc74 476static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
adc4266d 477 __u8 type, __u16 state)
4c67bc74
MH		 478{
479 struct hci_conn_hash *h = &hdev->conn_hash;
480 struct list_head *p;
481 struct hci_conn *c;
482
483 list_for_each(p, &h->list) {
484 c = list_entry(p, struct hci_conn, list);
485 if (c->type == type && c->state == state)
486 return c;
487 }
488 return NULL;
489}
490
73d80deb
LAD		 491static inline void hci_chan_hash_init(struct hci_conn *c)
492{
493 struct hci_chan_hash *h = &c->chan_hash;
494 INIT_LIST_HEAD(&h->list);
495 spin_lock_init(&h->lock);
496 h->num = 0;
497}
498
499static inline void hci_chan_hash_add(struct hci_conn *c, struct hci_chan *chan)
500{
501 struct hci_chan_hash *h = &c->chan_hash;
502 list_add(&chan->list, &h->list);
503 h->num++;
504}
505
506static inline void hci_chan_hash_del(struct hci_conn *c, struct hci_chan *chan)
507{
508 struct hci_chan_hash *h = &c->chan_hash;
509 list_del(&chan->list);
510 h->num--;
511}
512
4c67bc74 513void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 514void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
515void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 516void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 517void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT		 518
519struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 520int hci_conn_del(struct hci_conn *conn);
521void hci_conn_hash_flush(struct hci_dev *hdev);
522void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 523
73d80deb
LAD		 524struct hci_chan *hci_chan_create(struct hci_conn *conn);
525int hci_chan_del(struct hci_chan *chan);
526void hci_chan_hash_flush(struct hci_conn *conn);
527
5a9d0a3f
WR		 528struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
529 __u8 sec_level, __u8 auth_type);
e7c29cb1 530int hci_conn_check_link_mode(struct hci_conn *conn);
b3b1b061 531int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
0684e5f9 532int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 533int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 534int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 535
14b12d0b 536void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
04837f64 537void hci_conn_enter_sniff_mode(struct hci_conn *conn);
1da177e4 538
9eba32b8
MH		 539void hci_conn_hold_device(struct hci_conn *conn);
540void hci_conn_put_device(struct hci_conn *conn);
541
1da177e4
LT		 542static inline void hci_conn_hold(struct hci_conn *conn)
543{
544 atomic_inc(&conn->refcnt);
04837f64 545 del_timer(&conn->disc_timer);
1da177e4
LT		 546}
547
548static inline void hci_conn_put(struct hci_conn *conn)
549{
550 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 551 unsigned long timeo;
454d48ff 552 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
04837f64 553 del_timer(&conn->idle_timer);
6ac59344 554 if (conn->state == BT_CONNECTED) {
052b30b0 555 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 556 if (!conn->out)
052b30b0 557 timeo *= 2;
5a9d0a3f 558 } else {
6ac59344 559 timeo = msecs_to_jiffies(10);
5a9d0a3f
WR		 560 }
561 } else {
04837f64 562 timeo = msecs_to_jiffies(10);
5a9d0a3f 563 }
04837f64 564 mod_timer(&conn->disc_timer, jiffies + timeo);
1da177e4
LT		 565 }
566}
567
1da177e4
LT		 568/* ----- HCI Devices ----- */
569static inline void __hci_dev_put(struct hci_dev *d)
570{
571 if (atomic_dec_and_test(&d->refcnt))
572 d->destruct(d);
573}
574
575static inline void hci_dev_put(struct hci_dev *d)
04fafe4e 576{
1da177e4
LT		 577 __hci_dev_put(d);
578 module_put(d->owner);
579}
580
581static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
582{
583 atomic_inc(&d->refcnt);
584 return d;
585}
586
587static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
588{
589 if (try_module_get(d->owner))
590 return __hci_dev_hold(d);
591 return NULL;
592}
593
594#define hci_dev_lock(d) spin_lock(&d->lock)
595#define hci_dev_unlock(d) spin_unlock(&d->lock)
596#define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
597#define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
598
599struct hci_dev *hci_dev_get(int index);
600struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
601
602struct hci_dev *hci_alloc_dev(void);
603void hci_free_dev(struct hci_dev *hdev);
604int hci_register_dev(struct hci_dev *hdev);
59735631 605void hci_unregister_dev(struct hci_dev *hdev);
1da177e4
LT		 606int hci_suspend_dev(struct hci_dev *hdev);
607int hci_resume_dev(struct hci_dev *hdev);
608int hci_dev_open(__u16 dev);
609int hci_dev_close(__u16 dev);
610int hci_dev_reset(__u16 dev);
611int hci_dev_reset_stat(__u16 dev);
612int hci_dev_cmd(unsigned int cmd, void __user *arg);
613int hci_get_dev_list(void __user *arg);
614int hci_get_dev_info(void __user *arg);
615int hci_get_conn_list(void __user *arg);
616int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 617int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 618int hci_inquiry(void __user *arg);
619
f0358568
JH		 620struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
621int hci_blacklist_clear(struct hci_dev *hdev);
b2a66aad
AJ		 622int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
623int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
f0358568 624
2aeb9a1a
JH		 625int hci_uuids_clear(struct hci_dev *hdev);
626
55ed8ca1
JH		 627int hci_link_keys_clear(struct hci_dev *hdev);
628struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
d25e28ab
JH		 629int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
630 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
75d262c2
VCG		 631struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
632struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
633 bdaddr_t *bdaddr, u8 type);
634int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
726b4ffc 635 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
55ed8ca1
JH		 636int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
637
2763eda6
SJ		 638int hci_remote_oob_data_clear(struct hci_dev *hdev);
639struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
640 bdaddr_t *bdaddr);
641int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
642 u8 *randomizer);
643int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
644
35815085 645#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
76c8686f
AG		 646int hci_adv_entries_clear(struct hci_dev *hdev);
647struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
648int hci_add_adv_entry(struct hci_dev *hdev,
649 struct hci_ev_le_advertising_info *ev);
650
ab81cbf9
JH		 651void hci_del_off_timer(struct hci_dev *hdev);
652
1da177e4
LT		 653void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
654
76bca880 655int hci_recv_frame(struct sk_buff *skb);
ef222013 656int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 657int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 658
0ac7e700 659void hci_init_sysfs(struct hci_dev *hdev);
ce242970
DH		 660int hci_add_sysfs(struct hci_dev *hdev);
661void hci_del_sysfs(struct hci_dev *hdev);
a67e899c 662void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 663void hci_conn_add_sysfs(struct hci_conn *conn);
664void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 665
a91f2e39 666#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 667
668/* ----- LMP capabilities ----- */
04837f64
MH		 669#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
670#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
671#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
672#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 673#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 674#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 675#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 676#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
1da177e4 677
eead27da
AG		 678/* ----- Extended LMP capabilities ----- */
679#define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
680
1da177e4
LT		 681/* ----- HCI protocols ----- */
682struct hci_proto {
8c1b2355 683 char *name;
1da177e4
LT		 684 unsigned int id;
685 unsigned long flags;
686
687 void *priv;
688
5a9d0a3f
WR		 689 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
690 __u8 type);
1da177e4 691 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
2950f21a
MH		 692 int (*disconn_ind) (struct hci_conn *conn);
693 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
5a9d0a3f
WR		 694 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
695 __u16 flags);
1da177e4 696 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
5a9d0a3f
WR		 697 int (*security_cfm) (struct hci_conn *conn, __u8 status,
698 __u8 encrypt);
1da177e4
LT		 699};
700
5a9d0a3f
WR		 701static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
702 __u8 type)
1da177e4
LT		 703{
704 register struct hci_proto *hp;
705 int mask = 0;
8c1b2355 706
1da177e4
LT		 707 hp = hci_proto[HCI_PROTO_L2CAP];
708 if (hp && hp->connect_ind)
709 mask |= hp->connect_ind(hdev, bdaddr, type);
710
711 hp = hci_proto[HCI_PROTO_SCO];
712 if (hp && hp->connect_ind)
713 mask |= hp->connect_ind(hdev, bdaddr, type);
714
715 return mask;
716}
717
718static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
719{
720 register struct hci_proto *hp;
721
722 hp = hci_proto[HCI_PROTO_L2CAP];
723 if (hp && hp->connect_cfm)
724 hp->connect_cfm(conn, status);
725
726 hp = hci_proto[HCI_PROTO_SCO];
727 if (hp && hp->connect_cfm)
728 hp->connect_cfm(conn, status);
e9a416b5
JH		 729
730 if (conn->connect_cfm_cb)
731 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 732}
733
2950f21a 734static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4
LT		 735{
736 register struct hci_proto *hp;
9f5a0d7b 737 int reason = HCI_ERROR_REMOTE_USER_TERM;
1da177e4
LT		 738
739 hp = hci_proto[HCI_PROTO_L2CAP];
740 if (hp && hp->disconn_ind)
2950f21a 741 reason = hp->disconn_ind(conn);
1da177e4
LT		 742
743 hp = hci_proto[HCI_PROTO_SCO];
744 if (hp && hp->disconn_ind)
2950f21a
MH		 745 reason = hp->disconn_ind(conn);
746
747 return reason;
748}
749
750static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
751{
752 register struct hci_proto *hp;
753
754 hp = hci_proto[HCI_PROTO_L2CAP];
755 if (hp && hp->disconn_cfm)
756 hp->disconn_cfm(conn, reason);
757
758 hp = hci_proto[HCI_PROTO_SCO];
759 if (hp && hp->disconn_cfm)
760 hp->disconn_cfm(conn, reason);
e9a416b5
JH		 761
762 if (conn->disconn_cfm_cb)
763 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 764}
765
766static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
767{
768 register struct hci_proto *hp;
8c1b2355
MH		 769 __u8 encrypt;
770
771 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
772 return;
773
774 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
1da177e4
LT		 775
776 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 777 if (hp && hp->security_cfm)
778 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 779
780 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 781 if (hp && hp->security_cfm)
782 hp->security_cfm(conn, status, encrypt);
e9a416b5
JH		 783
784 if (conn->security_cfm_cb)
785 conn->security_cfm_cb(conn, status);
1da177e4
LT		 786}
787
5a9d0a3f
WR		 788static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
789 __u8 encrypt)
1da177e4
LT		 790{
791 register struct hci_proto *hp;
792
793 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 794 if (hp && hp->security_cfm)
795 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 796
797 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 798 if (hp && hp->security_cfm)
799 hp->security_cfm(conn, status, encrypt);
e9a416b5
JH		 800
801 if (conn->security_cfm_cb)
802 conn->security_cfm_cb(conn, status);
1da177e4
LT		 803}
804
805int hci_register_proto(struct hci_proto *hproto);
806int hci_unregister_proto(struct hci_proto *hproto);
807
808/* ----- HCI callbacks ----- */
809struct hci_cb {
810 struct list_head list;
811
812 char *name;
813
5a9d0a3f
WR		 814 void (*security_cfm) (struct hci_conn *conn, __u8 status,
815 __u8 encrypt);
1da177e4
LT		 816 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
817 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
818};
819
820static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
821{
822 struct list_head *p;
8c1b2355 823 __u8 encrypt;
1da177e4
LT		 824
825 hci_proto_auth_cfm(conn, status);
826
8c1b2355
MH		 827 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
828 return;
829
830 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
831
1da177e4
LT		 832 read_lock_bh(&hci_cb_list_lock);
833 list_for_each(p, &hci_cb_list) {
834 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 835 if (cb->security_cfm)
836 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 837 }
838 read_unlock_bh(&hci_cb_list_lock);
839}
840
5a9d0a3f
WR		 841static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
842 __u8 encrypt)
1da177e4
LT		 843{
844 struct list_head *p;
845
435fef20
MH		 846 if (conn->sec_level == BT_SECURITY_SDP)
847 conn->sec_level = BT_SECURITY_LOW;
848
88167aed
VCG		 849 if (conn->pending_sec_level > conn->sec_level)
850 conn->sec_level = conn->pending_sec_level;
851
9719f8af 852 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT		 853
854 read_lock_bh(&hci_cb_list_lock);
855 list_for_each(p, &hci_cb_list) {
856 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 857 if (cb->security_cfm)
858 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 859 }
860 read_unlock_bh(&hci_cb_list_lock);
861}
862
863static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
864{
865 struct list_head *p;
866
867 read_lock_bh(&hci_cb_list_lock);
868 list_for_each(p, &hci_cb_list) {
869 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
870 if (cb->key_change_cfm)
871 cb->key_change_cfm(conn, status);
872 }
873 read_unlock_bh(&hci_cb_list_lock);
874}
875
5a9d0a3f
WR		 876static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
877 __u8 role)
1da177e4
LT		 878{
879 struct list_head *p;
880
881 read_lock_bh(&hci_cb_list_lock);
882 list_for_each(p, &hci_cb_list) {
883 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
884 if (cb->role_switch_cfm)
885 cb->role_switch_cfm(conn, status, role);
886 }
887 read_unlock_bh(&hci_cb_list_lock);
888}
889
890int hci_register_cb(struct hci_cb *hcb);
891int hci_unregister_cb(struct hci_cb *hcb);
892
893int hci_register_notifier(struct notifier_block *nb);
894int hci_unregister_notifier(struct notifier_block *nb);
895
a9de9248 896int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
73d80deb 897void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
0d861d8b 898void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 899
a9de9248 900void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 901
902void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
903
904/* ----- HCI Sockets ----- */
eec8d2bc
JH		 905void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
906 struct sock *skip_sk);
1da177e4 907
0381101f
JH		 908/* Management interface */
909int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
744cf19e
JH		 910int mgmt_index_added(struct hci_dev *hdev);
911int mgmt_index_removed(struct hci_dev *hdev);
912int mgmt_powered(struct hci_dev *hdev, u8 powered);
913int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
914int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
915int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
916int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
917 u8 persistent);
48264f06
JH		 918int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
919 u8 addr_type);
920int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
921 u8 addr_type);
37d9ef76 922int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
48264f06
JH		 923int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
924 u8 addr_type, u8 status);
744cf19e
JH		 925int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
926int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
c35938b2 927 u8 status);
744cf19e
JH		 928int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
929 u8 status);
930int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
931 __le32 value, u8 confirm_hint);
932int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
933 u8 status);
934int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
935 bdaddr_t *bdaddr, u8 status);
936int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
937int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
938int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
939 u8 *randomizer, u8 status);
48264f06
JH		 940int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
941 u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir);
744cf19e 942int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
7a135109 943int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
e6d465cb 944int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
744cf19e
JH		 945int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
946int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
947int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
0381101f 948
1da177e4
LT		 949/* HCI info for socket */
950#define hci_pi(sk) ((struct hci_pinfo *) sk)
951
952struct hci_pinfo {
953 struct bt_sock bt;
954 struct hci_dev *hdev;
955 struct hci_filter filter;
956 __u32 cmsg_mask;
c02178d2 957 unsigned short channel;
1da177e4
LT		 958};
959
960/* HCI security filter */
961#define HCI_SFLT_MAX_OGF 5
962
963struct hci_sec_filter {
964 __u32 type_mask;
965 __u32 event_mask[2];
966 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
967};
968
969/* ----- HCI requests ----- */
970#define HCI_REQ_DONE 0
971#define HCI_REQ_PEND 1
972#define HCI_REQ_CANCELED 2
973
a6a67efd
TG		 974#define hci_req_lock(d) mutex_lock(&d->req_lock)
975#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 976
23bb5763 977void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4 978
2ce603eb
CT		 979void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
980 u16 latency, u16 to_multiplier);
a7a595f6
VCG		 981void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
982 __u8 ltk[16]);
983void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
984void hci_le_ltk_neg_reply(struct hci_conn *conn);
985
2519a1fc 986int hci_do_inquiry(struct hci_dev *hdev, u8 length);
023d5049 987int hci_cancel_inquiry(struct hci_dev *hdev);
2519a1fc 988
1da177e4 989#endif /* __HCI_CORE_H */
Linux kernel - Deliverables
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