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Bluetooth: Use correct struct for user_confirm_neg_reply
[GitHub/mt8127/android_kernel_alcatel_ttab.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
7d78525d
JH		 196 struct delayed_work service_cache;
197
6bd32326 198 struct timer_list cmd_timer;
b78752cc
MH		 199
200 struct work_struct rx_work;
c347b765 201 struct work_struct cmd_work;
3eff45ea 202 struct work_struct tx_work;
1da177e4
LT		 203
204 struct sk_buff_head rx_q;
205 struct sk_buff_head raw_q;
206 struct sk_buff_head cmd_q;
207
208 struct sk_buff *sent_cmd;
cd4c5391 209 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 210
a6a67efd 211 struct mutex req_lock;
1da177e4
LT		 212 wait_queue_head_t req_wait_q;
213 __u32 req_status;
214 __u32 req_result;
a5040efa
JH		 215
216 __u16 init_last_cmd;
1da177e4 217
2e58ef3e
JH		 218 struct list_head mgmt_pending;
219
1da177e4
LT		 220 struct inquiry_cache inq_cache;
221 struct hci_conn_hash conn_hash;
ea4bd8ba 222 struct list_head blacklist;
1da177e4 223
2aeb9a1a
JH		 224 struct list_head uuids;
225
55ed8ca1
JH		 226 struct list_head link_keys;
227
2763eda6
SJ		 228 struct list_head remote_oob_data;
229
76c8686f 230 struct list_head adv_entries;
db323f2f 231 struct delayed_work adv_work;
76c8686f 232
1da177e4
LT		 233 struct hci_dev_stats stat;
234
235 struct sk_buff_head driver_init;
236
237 void *driver_data;
238 void *core_data;
239
70f23020 240 atomic_t promisc;
1da177e4 241
ca325f69
MH		 242 struct dentry *debugfs;
243
a91f2e39
MH		 244 struct device *parent;
245 struct device dev;
1da177e4 246
611b30f7
MH		 247 struct rfkill *rfkill;
248
70f23020 249 struct module *owner;
1da177e4 250
d23264a8
AG		 251 unsigned long dev_flags;
252
1da177e4
LT		 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;
2c33c06a 300 struct list_head chan_list;
1da177e4 301
19c40e3b 302 struct delayed_work disc_work;
04837f64 303 struct timer_list idle_timer;
9f61656a 304 struct timer_list auto_accept_timer;
04837f64 305
b219e3ac 306 struct device dev;
9eba32b8 307 atomic_t devref;
b219e3ac 308
1da177e4
LT		 309 struct hci_dev *hdev;
310 void *l2cap_data;
311 void *sco_data;
1da177e4
LT		 312
313 struct hci_conn *link;
e9a416b5
JH		 314
315 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
316 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
317 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 318};
319
73d80deb
LAD		 320struct hci_chan {
321 struct list_head list;
322
323 struct hci_conn *conn;
324 struct sk_buff_head data_q;
325 unsigned int sent;
326};
327
1da177e4
LT		 328extern struct hci_proto *hci_proto[];
329extern struct list_head hci_dev_list;
330extern struct list_head hci_cb_list;
331extern rwlock_t hci_dev_list_lock;
332extern rwlock_t hci_cb_list_lock;
333
334/* ----- Inquiry cache ----- */
70f23020
AE		 335#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
336#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4
LT		 337
338#define inquiry_cache_lock(c) spin_lock(&c->lock)
339#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
340#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
341#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
342
343static inline void inquiry_cache_init(struct hci_dev *hdev)
344{
345 struct inquiry_cache *c = &hdev->inq_cache;
346 spin_lock_init(&c->lock);
347 c->list = NULL;
348}
349
350static inline int inquiry_cache_empty(struct hci_dev *hdev)
351{
352 struct inquiry_cache *c = &hdev->inq_cache;
a02cec21 353 return c->list == NULL;
1da177e4
LT		 354}
355
356static inline long inquiry_cache_age(struct hci_dev *hdev)
357{
358 struct inquiry_cache *c = &hdev->inq_cache;
359 return jiffies - c->timestamp;
360}
361
362static inline long inquiry_entry_age(struct inquiry_entry *e)
363{
364 return jiffies - e->timestamp;
365}
366
5a9d0a3f
WR		 367struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
368 bdaddr_t *bdaddr);
1da177e4
LT		 369void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
370
371/* ----- HCI Connections ----- */
372enum {
373 HCI_CONN_AUTH_PEND,
19f8def0 374 HCI_CONN_REAUTH_PEND,
1da177e4 375 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 376 HCI_CONN_RSWITCH_PEND,
377 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 378 HCI_CONN_SCO_SETUP_PEND,
d26a2345 379 HCI_CONN_LE_SMP_PEND,
1da177e4
LT		 380};
381
382static inline void hci_conn_hash_init(struct hci_dev *hdev)
383{
384 struct hci_conn_hash *h = &hdev->conn_hash;
385 INIT_LIST_HEAD(&h->list);
1da177e4
LT		 386 h->acl_num = 0;
387 h->sco_num = 0;
dc8ed672 388 h->le_num = 0;
1da177e4
LT		 389}
390
391static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
392{
393 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325 394 list_add_rcu(&c->list, &h->list);
fcd89c09
VT		 395 switch (c->type) {
396 case ACL_LINK:
1da177e4 397 h->acl_num++;
fcd89c09
VT		 398 break;
399 case LE_LINK:
400 h->le_num++;
401 break;
402 case SCO_LINK:
403 case ESCO_LINK:
1da177e4 404 h->sco_num++;
fcd89c09
VT		 405 break;
406 }
1da177e4
LT		 407}
408
409static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
410{
411 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325
GP		 412
413 list_del_rcu(&c->list);
414 synchronize_rcu();
415
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;
1da177e4
LT		 450 struct hci_conn *c;
451
bf4c6325
GP		 452 rcu_read_lock();
453
454 list_for_each_entry_rcu(c, &h->list, list) {
455 if (c->handle == handle) {
456 rcu_read_unlock();
1da177e4 457 return c;
bf4c6325 458 }
1da177e4 459 }
bf4c6325
GP		 460 rcu_read_unlock();
461
1da177e4
LT		 462 return NULL;
463}
464
465static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
adc4266d 466 __u8 type, bdaddr_t *ba)
1da177e4
LT		 467{
468 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 469 struct hci_conn *c;
470
bf4c6325
GP		 471 rcu_read_lock();
472
473 list_for_each_entry_rcu(c, &h->list, list) {
474 if (c->type == type && !bacmp(&c->dst, ba)) {
475 rcu_read_unlock();
1da177e4 476 return c;
bf4c6325 477 }
1da177e4 478 }
bf4c6325
GP		 479
480 rcu_read_unlock();
481
1da177e4
LT		 482 return NULL;
483}
484
4c67bc74 485static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
adc4266d 486 __u8 type, __u16 state)
4c67bc74
MH		 487{
488 struct hci_conn_hash *h = &hdev->conn_hash;
4c67bc74
MH		 489 struct hci_conn *c;
490
bf4c6325
GP		 491 rcu_read_lock();
492
493 list_for_each_entry_rcu(c, &h->list, list) {
494 if (c->type == type && c->state == state) {
495 rcu_read_unlock();
4c67bc74 496 return c;
bf4c6325 497 }
4c67bc74 498 }
bf4c6325
GP		 499
500 rcu_read_unlock();
501
4c67bc74
MH		 502 return NULL;
503}
504
505void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 506void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
507void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 508void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 509void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT		 510
511struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 512int hci_conn_del(struct hci_conn *conn);
513void hci_conn_hash_flush(struct hci_dev *hdev);
514void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 515
73d80deb
LAD		 516struct hci_chan *hci_chan_create(struct hci_conn *conn);
517int hci_chan_del(struct hci_chan *chan);
2c33c06a 518void hci_chan_list_flush(struct hci_conn *conn);
73d80deb 519
5a9d0a3f
WR		 520struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
521 __u8 sec_level, __u8 auth_type);
e7c29cb1 522int hci_conn_check_link_mode(struct hci_conn *conn);
b3b1b061 523int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
0684e5f9 524int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 525int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 526int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 527
14b12d0b 528void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1da177e4 529
9eba32b8
MH		 530void hci_conn_hold_device(struct hci_conn *conn);
531void hci_conn_put_device(struct hci_conn *conn);
532
1da177e4
LT		 533static inline void hci_conn_hold(struct hci_conn *conn)
534{
535 atomic_inc(&conn->refcnt);
19c40e3b 536 cancel_delayed_work_sync(&conn->disc_work);
1da177e4
LT		 537}
538
539static inline void hci_conn_put(struct hci_conn *conn)
540{
541 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 542 unsigned long timeo;
454d48ff 543 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
04837f64 544 del_timer(&conn->idle_timer);
6ac59344 545 if (conn->state == BT_CONNECTED) {
052b30b0 546 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 547 if (!conn->out)
052b30b0 548 timeo *= 2;
5a9d0a3f 549 } else {
6ac59344 550 timeo = msecs_to_jiffies(10);
5a9d0a3f
WR		 551 }
552 } else {
04837f64 553 timeo = msecs_to_jiffies(10);
5a9d0a3f 554 }
19c40e3b
GP		 555 cancel_delayed_work_sync(&conn->disc_work);
556 queue_delayed_work(conn->hdev->workqueue,
557 &conn->disc_work, jiffies + timeo);
1da177e4
LT		 558 }
559}
560
1da177e4
LT		 561/* ----- HCI Devices ----- */
562static inline void __hci_dev_put(struct hci_dev *d)
563{
564 if (atomic_dec_and_test(&d->refcnt))
565 d->destruct(d);
566}
567
568static inline void hci_dev_put(struct hci_dev *d)
04fafe4e 569{
1da177e4
LT		 570 __hci_dev_put(d);
571 module_put(d->owner);
572}
573
574static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
575{
576 atomic_inc(&d->refcnt);
577 return d;
578}
579
580static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
581{
582 if (try_module_get(d->owner))
583 return __hci_dev_hold(d);
584 return NULL;
585}
586
09fd0de5
GP		 587#define hci_dev_lock(d) mutex_lock(&d->lock)
588#define hci_dev_unlock(d) mutex_unlock(&d->lock)
1da177e4
LT		 589
590struct hci_dev *hci_dev_get(int index);
591struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
592
593struct hci_dev *hci_alloc_dev(void);
594void hci_free_dev(struct hci_dev *hdev);
595int hci_register_dev(struct hci_dev *hdev);
59735631 596void hci_unregister_dev(struct hci_dev *hdev);
1da177e4
LT		 597int hci_suspend_dev(struct hci_dev *hdev);
598int hci_resume_dev(struct hci_dev *hdev);
599int hci_dev_open(__u16 dev);
600int hci_dev_close(__u16 dev);
601int hci_dev_reset(__u16 dev);
602int hci_dev_reset_stat(__u16 dev);
603int hci_dev_cmd(unsigned int cmd, void __user *arg);
604int hci_get_dev_list(void __user *arg);
605int hci_get_dev_info(void __user *arg);
606int hci_get_conn_list(void __user *arg);
607int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 608int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 609int hci_inquiry(void __user *arg);
610
f0358568
JH		 611struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
612int hci_blacklist_clear(struct hci_dev *hdev);
b2a66aad
AJ		 613int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
614int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
f0358568 615
2aeb9a1a
JH		 616int hci_uuids_clear(struct hci_dev *hdev);
617
55ed8ca1
JH		 618int hci_link_keys_clear(struct hci_dev *hdev);
619struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
d25e28ab
JH		 620int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
621 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
75d262c2
VCG		 622struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
623struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
624 bdaddr_t *bdaddr, u8 type);
625int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
726b4ffc 626 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
55ed8ca1
JH		 627int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
628
2763eda6
SJ		 629int hci_remote_oob_data_clear(struct hci_dev *hdev);
630struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
631 bdaddr_t *bdaddr);
632int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
633 u8 *randomizer);
634int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
635
35815085 636#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
76c8686f
AG		 637int hci_adv_entries_clear(struct hci_dev *hdev);
638struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
639int hci_add_adv_entry(struct hci_dev *hdev,
640 struct hci_ev_le_advertising_info *ev);
641
ab81cbf9
JH		 642void hci_del_off_timer(struct hci_dev *hdev);
643
1da177e4
LT		 644void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
645
76bca880 646int hci_recv_frame(struct sk_buff *skb);
ef222013 647int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 648int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 649
0ac7e700 650void hci_init_sysfs(struct hci_dev *hdev);
ce242970
DH		 651int hci_add_sysfs(struct hci_dev *hdev);
652void hci_del_sysfs(struct hci_dev *hdev);
a67e899c 653void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 654void hci_conn_add_sysfs(struct hci_conn *conn);
655void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 656
a91f2e39 657#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 658
659/* ----- LMP capabilities ----- */
04837f64
MH		 660#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
661#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
662#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
663#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 664#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 665#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 666#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 667#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
1da177e4 668
eead27da
AG		 669/* ----- Extended LMP capabilities ----- */
670#define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE)
671
1da177e4
LT		 672/* ----- HCI protocols ----- */
673struct hci_proto {
8c1b2355 674 char *name;
1da177e4
LT		 675 unsigned int id;
676 unsigned long flags;
677
678 void *priv;
679
5a9d0a3f
WR		 680 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr,
681 __u8 type);
1da177e4 682 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
2950f21a
MH		 683 int (*disconn_ind) (struct hci_conn *conn);
684 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
5a9d0a3f
WR		 685 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb,
686 __u16 flags);
1da177e4 687 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
5a9d0a3f
WR		 688 int (*security_cfm) (struct hci_conn *conn, __u8 status,
689 __u8 encrypt);
1da177e4
LT		 690};
691
5a9d0a3f
WR		 692static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
693 __u8 type)
1da177e4
LT		 694{
695 register struct hci_proto *hp;
696 int mask = 0;
8c1b2355 697
1da177e4
LT		 698 hp = hci_proto[HCI_PROTO_L2CAP];
699 if (hp && hp->connect_ind)
700 mask |= hp->connect_ind(hdev, bdaddr, type);
701
702 hp = hci_proto[HCI_PROTO_SCO];
703 if (hp && hp->connect_ind)
704 mask |= hp->connect_ind(hdev, bdaddr, type);
705
706 return mask;
707}
708
709static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
710{
711 register struct hci_proto *hp;
712
713 hp = hci_proto[HCI_PROTO_L2CAP];
714 if (hp && hp->connect_cfm)
715 hp->connect_cfm(conn, status);
716
717 hp = hci_proto[HCI_PROTO_SCO];
718 if (hp && hp->connect_cfm)
719 hp->connect_cfm(conn, status);
e9a416b5
JH		 720
721 if (conn->connect_cfm_cb)
722 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 723}
724
2950f21a 725static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4
LT		 726{
727 register struct hci_proto *hp;
9f5a0d7b 728 int reason = HCI_ERROR_REMOTE_USER_TERM;
1da177e4
LT		 729
730 hp = hci_proto[HCI_PROTO_L2CAP];
731 if (hp && hp->disconn_ind)
2950f21a 732 reason = hp->disconn_ind(conn);
1da177e4
LT		 733
734 hp = hci_proto[HCI_PROTO_SCO];
735 if (hp && hp->disconn_ind)
2950f21a
MH		 736 reason = hp->disconn_ind(conn);
737
738 return reason;
739}
740
741static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
742{
743 register struct hci_proto *hp;
744
745 hp = hci_proto[HCI_PROTO_L2CAP];
746 if (hp && hp->disconn_cfm)
747 hp->disconn_cfm(conn, reason);
748
749 hp = hci_proto[HCI_PROTO_SCO];
750 if (hp && hp->disconn_cfm)
751 hp->disconn_cfm(conn, reason);
e9a416b5
JH		 752
753 if (conn->disconn_cfm_cb)
754 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 755}
756
757static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
758{
759 register struct hci_proto *hp;
8c1b2355
MH		 760 __u8 encrypt;
761
762 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
763 return;
764
765 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
1da177e4
LT		 766
767 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 768 if (hp && hp->security_cfm)
769 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 770
771 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 772 if (hp && hp->security_cfm)
773 hp->security_cfm(conn, status, encrypt);
e9a416b5
JH		 774
775 if (conn->security_cfm_cb)
776 conn->security_cfm_cb(conn, status);
1da177e4
LT		 777}
778
5a9d0a3f
WR		 779static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
780 __u8 encrypt)
1da177e4
LT		 781{
782 register struct hci_proto *hp;
783
784 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 785 if (hp && hp->security_cfm)
786 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 787
788 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 789 if (hp && hp->security_cfm)
790 hp->security_cfm(conn, status, encrypt);
e9a416b5
JH		 791
792 if (conn->security_cfm_cb)
793 conn->security_cfm_cb(conn, status);
1da177e4
LT		 794}
795
796int hci_register_proto(struct hci_proto *hproto);
797int hci_unregister_proto(struct hci_proto *hproto);
798
799/* ----- HCI callbacks ----- */
800struct hci_cb {
801 struct list_head list;
802
803 char *name;
804
5a9d0a3f
WR		 805 void (*security_cfm) (struct hci_conn *conn, __u8 status,
806 __u8 encrypt);
1da177e4
LT		 807 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
808 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
809};
810
811static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
812{
813 struct list_head *p;
8c1b2355 814 __u8 encrypt;
1da177e4
LT		 815
816 hci_proto_auth_cfm(conn, status);
817
8c1b2355
MH		 818 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
819 return;
820
821 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
822
1da177e4
LT		 823 read_lock_bh(&hci_cb_list_lock);
824 list_for_each(p, &hci_cb_list) {
825 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 826 if (cb->security_cfm)
827 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 828 }
829 read_unlock_bh(&hci_cb_list_lock);
830}
831
5a9d0a3f
WR		 832static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
833 __u8 encrypt)
1da177e4
LT		 834{
835 struct list_head *p;
836
435fef20
MH		 837 if (conn->sec_level == BT_SECURITY_SDP)
838 conn->sec_level = BT_SECURITY_LOW;
839
88167aed
VCG		 840 if (conn->pending_sec_level > conn->sec_level)
841 conn->sec_level = conn->pending_sec_level;
842
9719f8af 843 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT		 844
845 read_lock_bh(&hci_cb_list_lock);
846 list_for_each(p, &hci_cb_list) {
847 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 848 if (cb->security_cfm)
849 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 850 }
851 read_unlock_bh(&hci_cb_list_lock);
852}
853
854static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
855{
856 struct list_head *p;
857
858 read_lock_bh(&hci_cb_list_lock);
859 list_for_each(p, &hci_cb_list) {
860 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
861 if (cb->key_change_cfm)
862 cb->key_change_cfm(conn, status);
863 }
864 read_unlock_bh(&hci_cb_list_lock);
865}
866
5a9d0a3f
WR		 867static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
868 __u8 role)
1da177e4
LT		 869{
870 struct list_head *p;
871
872 read_lock_bh(&hci_cb_list_lock);
873 list_for_each(p, &hci_cb_list) {
874 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
875 if (cb->role_switch_cfm)
876 cb->role_switch_cfm(conn, status, role);
877 }
878 read_unlock_bh(&hci_cb_list_lock);
879}
880
881int hci_register_cb(struct hci_cb *hcb);
882int hci_unregister_cb(struct hci_cb *hcb);
883
884int hci_register_notifier(struct notifier_block *nb);
885int hci_unregister_notifier(struct notifier_block *nb);
886
a9de9248 887int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
73d80deb 888void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
0d861d8b 889void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 890
a9de9248 891void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 892
893void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
894
895/* ----- HCI Sockets ----- */
eec8d2bc
JH		 896void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
897 struct sock *skip_sk);
1da177e4 898
0381101f
JH		 899/* Management interface */
900int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
744cf19e
JH		 901int mgmt_index_added(struct hci_dev *hdev);
902int mgmt_index_removed(struct hci_dev *hdev);
903int mgmt_powered(struct hci_dev *hdev, u8 powered);
904int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
905int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
906int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
907int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
908 u8 persistent);
48264f06
JH		 909int mgmt_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
910 u8 addr_type);
911int mgmt_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
912 u8 addr_type);
37d9ef76 913int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
48264f06
JH		 914int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
915 u8 addr_type, u8 status);
744cf19e
JH		 916int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
917int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
c35938b2 918 u8 status);
744cf19e
JH		 919int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
920 u8 status);
921int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
922 __le32 value, u8 confirm_hint);
923int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
924 u8 status);
925int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
926 bdaddr_t *bdaddr, u8 status);
604086b7
BG		 927int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
928int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
929 u8 status);
930int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
931 bdaddr_t *bdaddr, u8 status);
744cf19e
JH		 932int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
933int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
934int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
935 u8 *randomizer, u8 status);
48264f06
JH		 936int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
937 u8 addr_type, u8 *dev_class, s8 rssi, u8 *eir);
744cf19e 938int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
7a135109 939int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
e6d465cb 940int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
744cf19e
JH		 941int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
942int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
943int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
0381101f 944
1da177e4
LT		 945/* HCI info for socket */
946#define hci_pi(sk) ((struct hci_pinfo *) sk)
947
14c0b608
JH		 948/* HCI socket flags */
949#define HCI_PI_MGMT_INIT 0
950
1da177e4
LT		 951struct hci_pinfo {
952 struct bt_sock bt;
953 struct hci_dev *hdev;
954 struct hci_filter filter;
955 __u32 cmsg_mask;
c02178d2 956 unsigned short channel;
14c0b608 957 unsigned long flags;
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 */
kernel source for telekom puls (alcatel/mediatek)