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Bluetooth: Add basic discovery commands to the management interface
[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
1da177e4
LT		 28#include <net/bluetooth/hci.h>
29
30/* HCI upper protocols */
31#define HCI_PROTO_L2CAP 0
32#define HCI_PROTO_SCO 1
33
1da177e4 34/* HCI Core structures */
1da177e4
LT		 35struct inquiry_data {
36 bdaddr_t bdaddr;
37 __u8 pscan_rep_mode;
38 __u8 pscan_period_mode;
39 __u8 pscan_mode;
40 __u8 dev_class[3];
1ebb9252 41 __le16 clock_offset;
1da177e4 42 __s8 rssi;
41a96212 43 __u8 ssp_mode;
1da177e4
LT		 44};
45
46struct inquiry_entry {
70f23020 47 struct inquiry_entry *next;
1da177e4
LT		 48 __u32 timestamp;
49 struct inquiry_data data;
50};
51
52struct inquiry_cache {
70f23020 53 spinlock_t lock;
1da177e4 54 __u32 timestamp;
70f23020 55 struct inquiry_entry *list;
1da177e4
LT		 56};
57
58struct hci_conn_hash {
59 struct list_head list;
60 spinlock_t lock;
61 unsigned int acl_num;
62 unsigned int sco_num;
fcd89c09 63 unsigned int le_num;
1da177e4
LT		 64};
65
f0358568
JH		 66struct bdaddr_list {
67 struct list_head list;
68 bdaddr_t bdaddr;
69};
2aeb9a1a
JH		 70
71struct bt_uuid {
72 struct list_head list;
73 u8 uuid[16];
1aff6f09 74 u8 svc_hint;
2aeb9a1a
JH		 75};
76
55ed8ca1
JH		 77struct link_key {
78 struct list_head list;
79 bdaddr_t bdaddr;
80 u8 type;
81 u8 val[16];
82 u8 pin_len;
83};
84
2763eda6
SJ		 85struct oob_data {
86 struct list_head list;
87 bdaddr_t bdaddr;
88 u8 hash[16];
89 u8 randomizer[16];
90};
91
cd4c5391 92#define NUM_REASSEMBLY 4
1da177e4
LT		 93struct hci_dev {
94 struct list_head list;
95 spinlock_t lock;
96 atomic_t refcnt;
97
98 char name[8];
99 unsigned long flags;
100 __u16 id;
c13854ce 101 __u8 bus;
943da25d 102 __u8 dev_type;
1da177e4 103 bdaddr_t bdaddr;
1f6c6378 104 __u8 dev_name[HCI_MAX_NAME_LENGTH];
80a1e1db 105 __u8 eir[HCI_MAX_EIR_LENGTH];
a9de9248 106 __u8 dev_class[3];
1aff6f09
JH		 107 __u8 major_class;
108 __u8 minor_class;
1da177e4 109 __u8 features[8];
a9de9248 110 __u8 commands[64];
333140b5 111 __u8 ssp_mode;
1143e5a6
MH		 112 __u8 hci_ver;
113 __u16 hci_rev;
d5859e22 114 __u8 lmp_ver;
1143e5a6 115 __u16 manufacturer;
d5859e22 116 __le16 lmp_subver;
1da177e4 117 __u16 voice_setting;
17fa4b9d 118 __u8 io_capability;
1da177e4
LT		 119
120 __u16 pkt_type;
5b7f9909 121 __u16 esco_type;
1da177e4
LT		 122 __u16 link_policy;
123 __u16 link_mode;
124
04837f64
MH		 125 __u32 idle_timeout;
126 __u16 sniff_min_interval;
127 __u16 sniff_max_interval;
128
1da177e4
LT		 129 unsigned long quirks;
130
131 atomic_t cmd_cnt;
132 unsigned int acl_cnt;
133 unsigned int sco_cnt;
6ed58ec5 134 unsigned int le_cnt;
1da177e4
LT		 135
136 unsigned int acl_mtu;
137 unsigned int sco_mtu;
6ed58ec5 138 unsigned int le_mtu;
1da177e4
LT		 139 unsigned int acl_pkts;
140 unsigned int sco_pkts;
6ed58ec5 141 unsigned int le_pkts;
1da177e4 142
1da177e4
LT		 143 unsigned long acl_last_tx;
144 unsigned long sco_last_tx;
6ed58ec5 145 unsigned long le_last_tx;
1da177e4 146
f48fd9c8
MH		 147 struct workqueue_struct *workqueue;
148
ab81cbf9
JH		 149 struct work_struct power_on;
150 struct work_struct power_off;
151 struct timer_list off_timer;
152
6bd32326 153 struct timer_list cmd_timer;
1da177e4
LT		 154 struct tasklet_struct cmd_task;
155 struct tasklet_struct rx_task;
156 struct tasklet_struct tx_task;
157
158 struct sk_buff_head rx_q;
159 struct sk_buff_head raw_q;
160 struct sk_buff_head cmd_q;
161
162 struct sk_buff *sent_cmd;
cd4c5391 163 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 164
a6a67efd 165 struct mutex req_lock;
1da177e4
LT		 166 wait_queue_head_t req_wait_q;
167 __u32 req_status;
168 __u32 req_result;
a5040efa
JH		 169
170 __u16 init_last_cmd;
1da177e4
LT		 171
172 struct inquiry_cache inq_cache;
173 struct hci_conn_hash conn_hash;
ea4bd8ba 174 struct list_head blacklist;
1da177e4 175
2aeb9a1a
JH		 176 struct list_head uuids;
177
55ed8ca1
JH		 178 struct list_head link_keys;
179
2763eda6
SJ		 180 struct list_head remote_oob_data;
181
1da177e4
LT		 182 struct hci_dev_stats stat;
183
184 struct sk_buff_head driver_init;
185
186 void *driver_data;
187 void *core_data;
188
70f23020 189 atomic_t promisc;
1da177e4 190
ca325f69
MH		 191 struct dentry *debugfs;
192
a91f2e39
MH		 193 struct device *parent;
194 struct device dev;
1da177e4 195
611b30f7
MH		 196 struct rfkill *rfkill;
197
70f23020 198 struct module *owner;
1da177e4
LT		 199
200 int (*open)(struct hci_dev *hdev);
201 int (*close)(struct hci_dev *hdev);
202 int (*flush)(struct hci_dev *hdev);
203 int (*send)(struct sk_buff *skb);
204 void (*destruct)(struct hci_dev *hdev);
205 void (*notify)(struct hci_dev *hdev, unsigned int evt);
206 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
207};
208
209struct hci_conn {
210 struct list_head list;
211
adc4266d
SJ		 212 atomic_t refcnt;
213 spinlock_t lock;
214
215 bdaddr_t dst;
216 __u16 handle;
217 __u16 state;
218 __u8 mode;
219 __u8 type;
220 __u8 out;
221 __u8 attempt;
222 __u8 dev_class[3];
223 __u8 features[8];
224 __u8 ssp_mode;
225 __u16 interval;
226 __u16 pkt_type;
227 __u16 link_policy;
228 __u32 link_mode;
229 __u8 auth_type;
230 __u8 sec_level;
231 __u8 pending_sec_level;
232 __u8 pin_length;
233 __u8 io_capability;
234 __u8 power_save;
235 __u16 disc_timeout;
236 unsigned long pend;
04837f64 237
03b555e1
JH		 238 __u8 remote_cap;
239 __u8 remote_oob;
240 __u8 remote_auth;
241
adc4266d 242 unsigned int sent;
04837f64 243
1da177e4
LT		 244 struct sk_buff_head data_q;
245
04837f64
MH		 246 struct timer_list disc_timer;
247 struct timer_list idle_timer;
248
f3784d83
RQ		 249 struct work_struct work_add;
250 struct work_struct work_del;
b219e3ac
MH		 251
252 struct device dev;
9eba32b8 253 atomic_t devref;
b219e3ac 254
1da177e4
LT		 255 struct hci_dev *hdev;
256 void *l2cap_data;
257 void *sco_data;
258 void *priv;
259
260 struct hci_conn *link;
e9a416b5
JH		 261
262 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
263 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
264 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 265};
266
267extern struct hci_proto *hci_proto[];
268extern struct list_head hci_dev_list;
269extern struct list_head hci_cb_list;
270extern rwlock_t hci_dev_list_lock;
271extern rwlock_t hci_cb_list_lock;
272
273/* ----- Inquiry cache ----- */
70f23020
AE		 274#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
275#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4
LT		 276
277#define inquiry_cache_lock(c) spin_lock(&c->lock)
278#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
279#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
280#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
281
282static inline void inquiry_cache_init(struct hci_dev *hdev)
283{
284 struct inquiry_cache *c = &hdev->inq_cache;
285 spin_lock_init(&c->lock);
286 c->list = NULL;
287}
288
289static inline int inquiry_cache_empty(struct hci_dev *hdev)
290{
291 struct inquiry_cache *c = &hdev->inq_cache;
a02cec21 292 return c->list == NULL;
1da177e4
LT		 293}
294
295static inline long inquiry_cache_age(struct hci_dev *hdev)
296{
297 struct inquiry_cache *c = &hdev->inq_cache;
298 return jiffies - c->timestamp;
299}
300
301static inline long inquiry_entry_age(struct inquiry_entry *e)
302{
303 return jiffies - e->timestamp;
304}
305
306struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
307void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
308
309/* ----- HCI Connections ----- */
310enum {
311 HCI_CONN_AUTH_PEND,
312 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 313 HCI_CONN_RSWITCH_PEND,
314 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 315 HCI_CONN_SCO_SETUP_PEND,
1da177e4
LT		 316};
317
318static inline void hci_conn_hash_init(struct hci_dev *hdev)
319{
320 struct hci_conn_hash *h = &hdev->conn_hash;
321 INIT_LIST_HEAD(&h->list);
322 spin_lock_init(&h->lock);
323 h->acl_num = 0;
324 h->sco_num = 0;
325}
326
327static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
328{
329 struct hci_conn_hash *h = &hdev->conn_hash;
330 list_add(&c->list, &h->list);
fcd89c09
VT		 331 switch (c->type) {
332 case ACL_LINK:
1da177e4 333 h->acl_num++;
fcd89c09
VT		 334 break;
335 case LE_LINK:
336 h->le_num++;
337 break;
338 case SCO_LINK:
339 case ESCO_LINK:
1da177e4 340 h->sco_num++;
fcd89c09
VT		 341 break;
342 }
1da177e4
LT		 343}
344
345static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
346{
347 struct hci_conn_hash *h = &hdev->conn_hash;
348 list_del(&c->list);
fcd89c09
VT		 349 switch (c->type) {
350 case ACL_LINK:
1da177e4 351 h->acl_num--;
fcd89c09
VT		 352 break;
353 case LE_LINK:
354 h->le_num--;
355 break;
356 case SCO_LINK:
357 case ESCO_LINK:
1da177e4 358 h->sco_num--;
fcd89c09
VT		 359 break;
360 }
1da177e4
LT		 361}
362
363static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
adc4266d 364 __u16 handle)
1da177e4
LT		 365{
366 struct hci_conn_hash *h = &hdev->conn_hash;
367 struct list_head *p;
368 struct hci_conn *c;
369
370 list_for_each(p, &h->list) {
371 c = list_entry(p, struct hci_conn, list);
372 if (c->handle == handle)
373 return c;
374 }
375 return NULL;
376}
377
378static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
adc4266d 379 __u8 type, bdaddr_t *ba)
1da177e4
LT		 380{
381 struct hci_conn_hash *h = &hdev->conn_hash;
382 struct list_head *p;
383 struct hci_conn *c;
384
385 list_for_each(p, &h->list) {
386 c = list_entry(p, struct hci_conn, list);
387 if (c->type == type && !bacmp(&c->dst, ba))
388 return c;
389 }
390 return NULL;
391}
392
4c67bc74 393static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
adc4266d 394 __u8 type, __u16 state)
4c67bc74
MH		 395{
396 struct hci_conn_hash *h = &hdev->conn_hash;
397 struct list_head *p;
398 struct hci_conn *c;
399
400 list_for_each(p, &h->list) {
401 c = list_entry(p, struct hci_conn, list);
402 if (c->type == type && c->state == state)
403 return c;
404 }
405 return NULL;
406}
407
408void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 409void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
410void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 411void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 412void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT		 413
414struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 415int hci_conn_del(struct hci_conn *conn);
416void hci_conn_hash_flush(struct hci_dev *hdev);
417void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 418
8c1b2355 419struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type);
e7c29cb1 420int hci_conn_check_link_mode(struct hci_conn *conn);
0684e5f9 421int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 422int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 423int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 424
04837f64
MH		 425void hci_conn_enter_active_mode(struct hci_conn *conn);
426void hci_conn_enter_sniff_mode(struct hci_conn *conn);
1da177e4 427
9eba32b8
MH		 428void hci_conn_hold_device(struct hci_conn *conn);
429void hci_conn_put_device(struct hci_conn *conn);
430
1da177e4
LT		 431static inline void hci_conn_hold(struct hci_conn *conn)
432{
433 atomic_inc(&conn->refcnt);
04837f64 434 del_timer(&conn->disc_timer);
1da177e4
LT		 435}
436
437static inline void hci_conn_put(struct hci_conn *conn)
438{
439 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 440 unsigned long timeo;
1da177e4 441 if (conn->type == ACL_LINK) {
04837f64 442 del_timer(&conn->idle_timer);
6ac59344 443 if (conn->state == BT_CONNECTED) {
052b30b0 444 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 445 if (!conn->out)
052b30b0 446 timeo *= 2;
6ac59344
MH		 447 } else
448 timeo = msecs_to_jiffies(10);
1da177e4 449 } else
04837f64
MH		 450 timeo = msecs_to_jiffies(10);
451 mod_timer(&conn->disc_timer, jiffies + timeo);
1da177e4
LT		 452 }
453}
454
1da177e4
LT		 455/* ----- HCI Devices ----- */
456static inline void __hci_dev_put(struct hci_dev *d)
457{
458 if (atomic_dec_and_test(&d->refcnt))
459 d->destruct(d);
460}
461
462static inline void hci_dev_put(struct hci_dev *d)
04fafe4e 463{
1da177e4
LT		 464 __hci_dev_put(d);
465 module_put(d->owner);
466}
467
468static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
469{
470 atomic_inc(&d->refcnt);
471 return d;
472}
473
474static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
475{
476 if (try_module_get(d->owner))
477 return __hci_dev_hold(d);
478 return NULL;
479}
480
481#define hci_dev_lock(d) spin_lock(&d->lock)
482#define hci_dev_unlock(d) spin_unlock(&d->lock)
483#define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
484#define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
485
486struct hci_dev *hci_dev_get(int index);
487struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
488
489struct hci_dev *hci_alloc_dev(void);
490void hci_free_dev(struct hci_dev *hdev);
491int hci_register_dev(struct hci_dev *hdev);
492int hci_unregister_dev(struct hci_dev *hdev);
493int hci_suspend_dev(struct hci_dev *hdev);
494int hci_resume_dev(struct hci_dev *hdev);
495int hci_dev_open(__u16 dev);
496int hci_dev_close(__u16 dev);
497int hci_dev_reset(__u16 dev);
498int hci_dev_reset_stat(__u16 dev);
499int hci_dev_cmd(unsigned int cmd, void __user *arg);
500int hci_get_dev_list(void __user *arg);
501int hci_get_dev_info(void __user *arg);
502int hci_get_conn_list(void __user *arg);
503int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 504int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 505int hci_inquiry(void __user *arg);
506
f0358568
JH		 507struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
508int hci_blacklist_clear(struct hci_dev *hdev);
509
2aeb9a1a
JH		 510int hci_uuids_clear(struct hci_dev *hdev);
511
55ed8ca1
JH		 512int hci_link_keys_clear(struct hci_dev *hdev);
513struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
514int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
515 u8 *key, u8 type, u8 pin_len);
516int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
517
2763eda6
SJ		 518int hci_remote_oob_data_clear(struct hci_dev *hdev);
519struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
520 bdaddr_t *bdaddr);
521int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
522 u8 *randomizer);
523int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
524
ab81cbf9
JH		 525void hci_del_off_timer(struct hci_dev *hdev);
526
1da177e4
LT		 527void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
528
76bca880 529int hci_recv_frame(struct sk_buff *skb);
ef222013 530int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 531int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 532
1da177e4
LT		 533int hci_register_sysfs(struct hci_dev *hdev);
534void hci_unregister_sysfs(struct hci_dev *hdev);
a67e899c 535void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 536void hci_conn_add_sysfs(struct hci_conn *conn);
537void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 538
a91f2e39 539#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 540
541/* ----- LMP capabilities ----- */
04837f64
MH		 542#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
543#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
544#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
545#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 546#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 547#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 548#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 549#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
1da177e4
LT		 550
551/* ----- HCI protocols ----- */
552struct hci_proto {
8c1b2355 553 char *name;
1da177e4
LT		 554 unsigned int id;
555 unsigned long flags;
556
557 void *priv;
558
8c1b2355 559 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type);
1da177e4 560 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
2950f21a
MH		 561 int (*disconn_ind) (struct hci_conn *conn);
562 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
1da177e4
LT		 563 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
564 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
8c1b2355 565 int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT		 566};
567
568static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
569{
570 register struct hci_proto *hp;
571 int mask = 0;
8c1b2355 572
1da177e4
LT		 573 hp = hci_proto[HCI_PROTO_L2CAP];
574 if (hp && hp->connect_ind)
575 mask |= hp->connect_ind(hdev, bdaddr, type);
576
577 hp = hci_proto[HCI_PROTO_SCO];
578 if (hp && hp->connect_ind)
579 mask |= hp->connect_ind(hdev, bdaddr, type);
580
581 return mask;
582}
583
584static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
585{
586 register struct hci_proto *hp;
587
588 hp = hci_proto[HCI_PROTO_L2CAP];
589 if (hp && hp->connect_cfm)
590 hp->connect_cfm(conn, status);
591
592 hp = hci_proto[HCI_PROTO_SCO];
593 if (hp && hp->connect_cfm)
594 hp->connect_cfm(conn, status);
e9a416b5
JH		 595
596 if (conn->connect_cfm_cb)
597 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 598}
599
2950f21a 600static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4
LT		 601{
602 register struct hci_proto *hp;
2950f21a 603 int reason = 0x13;
1da177e4
LT		 604
605 hp = hci_proto[HCI_PROTO_L2CAP];
606 if (hp && hp->disconn_ind)
2950f21a 607 reason = hp->disconn_ind(conn);
1da177e4
LT		 608
609 hp = hci_proto[HCI_PROTO_SCO];
610 if (hp && hp->disconn_ind)
2950f21a
MH		 611 reason = hp->disconn_ind(conn);
612
613 return reason;
614}
615
616static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
617{
618 register struct hci_proto *hp;
619
620 hp = hci_proto[HCI_PROTO_L2CAP];
621 if (hp && hp->disconn_cfm)
622 hp->disconn_cfm(conn, reason);
623
624 hp = hci_proto[HCI_PROTO_SCO];
625 if (hp && hp->disconn_cfm)
626 hp->disconn_cfm(conn, reason);
e9a416b5
JH		 627
628 if (conn->disconn_cfm_cb)
629 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 630}
631
632static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
633{
634 register struct hci_proto *hp;
8c1b2355
MH		 635 __u8 encrypt;
636
637 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
638 return;
639
640 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
1da177e4
LT		 641
642 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 643 if (hp && hp->security_cfm)
644 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 645
646 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 647 if (hp && hp->security_cfm)
648 hp->security_cfm(conn, status, encrypt);
e9a416b5
JH		 649
650 if (conn->security_cfm_cb)
651 conn->security_cfm_cb(conn, status);
1da177e4
LT		 652}
653
9719f8af 654static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
1da177e4
LT		 655{
656 register struct hci_proto *hp;
657
658 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 659 if (hp && hp->security_cfm)
660 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 661
662 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 663 if (hp && hp->security_cfm)
664 hp->security_cfm(conn, status, encrypt);
e9a416b5
JH		 665
666 if (conn->security_cfm_cb)
667 conn->security_cfm_cb(conn, status);
1da177e4
LT		 668}
669
670int hci_register_proto(struct hci_proto *hproto);
671int hci_unregister_proto(struct hci_proto *hproto);
672
673/* ----- HCI callbacks ----- */
674struct hci_cb {
675 struct list_head list;
676
677 char *name;
678
8c1b2355 679 void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT		 680 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
681 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
682};
683
684static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
685{
686 struct list_head *p;
8c1b2355 687 __u8 encrypt;
1da177e4
LT		 688
689 hci_proto_auth_cfm(conn, status);
690
8c1b2355
MH		 691 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
692 return;
693
694 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
695
1da177e4
LT		 696 read_lock_bh(&hci_cb_list_lock);
697 list_for_each(p, &hci_cb_list) {
698 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 699 if (cb->security_cfm)
700 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 701 }
702 read_unlock_bh(&hci_cb_list_lock);
703}
704
705static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
706{
707 struct list_head *p;
708
435fef20
MH		 709 if (conn->sec_level == BT_SECURITY_SDP)
710 conn->sec_level = BT_SECURITY_LOW;
711
9719f8af 712 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT		 713
714 read_lock_bh(&hci_cb_list_lock);
715 list_for_each(p, &hci_cb_list) {
716 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 717 if (cb->security_cfm)
718 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 719 }
720 read_unlock_bh(&hci_cb_list_lock);
721}
722
723static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
724{
725 struct list_head *p;
726
727 read_lock_bh(&hci_cb_list_lock);
728 list_for_each(p, &hci_cb_list) {
729 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
730 if (cb->key_change_cfm)
731 cb->key_change_cfm(conn, status);
732 }
733 read_unlock_bh(&hci_cb_list_lock);
734}
735
736static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role)
737{
738 struct list_head *p;
739
740 read_lock_bh(&hci_cb_list_lock);
741 list_for_each(p, &hci_cb_list) {
742 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
743 if (cb->role_switch_cfm)
744 cb->role_switch_cfm(conn, status, role);
745 }
746 read_unlock_bh(&hci_cb_list_lock);
747}
748
749int hci_register_cb(struct hci_cb *hcb);
750int hci_unregister_cb(struct hci_cb *hcb);
751
752int hci_register_notifier(struct notifier_block *nb);
753int hci_unregister_notifier(struct notifier_block *nb);
754
a9de9248 755int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
9a9c6a34 756void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
0d861d8b 757void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 758
a9de9248 759void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 760
761void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
762
763/* ----- HCI Sockets ----- */
eec8d2bc
JH		 764void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
765 struct sock *skip_sk);
1da177e4 766
0381101f
JH		 767/* Management interface */
768int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
c71e97bf
JH		 769int mgmt_index_added(u16 index);
770int mgmt_index_removed(u16 index);
5add6af8 771int mgmt_powered(u16 index, u8 powered);
73f22f62 772int mgmt_discoverable(u16 index, u8 discoverable);
9fbcbb45 773int mgmt_connectable(u16 index, u8 connectable);
55ed8ca1 774int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type);
f7520543
JH		 775int mgmt_connected(u16 index, bdaddr_t *bdaddr);
776int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
8962ee74 777int mgmt_disconnect_failed(u16 index);
17d5c04c 778int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
980e1a53
JH		 779int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr);
780int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
781int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
a5c29683
JH		 782int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value);
783int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
784int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
785 u8 status);
2a611692 786int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
b312b161 787int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status);
c35938b2
SJ		 788int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
789 u8 status);
e17acd40
JH		 790int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
791 u8 *eir);
a88a9652 792int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name);
0381101f 793
1da177e4
LT		 794/* HCI info for socket */
795#define hci_pi(sk) ((struct hci_pinfo *) sk)
796
797struct hci_pinfo {
798 struct bt_sock bt;
799 struct hci_dev *hdev;
800 struct hci_filter filter;
801 __u32 cmsg_mask;
c02178d2 802 unsigned short channel;
1da177e4
LT		 803};
804
805/* HCI security filter */
806#define HCI_SFLT_MAX_OGF 5
807
808struct hci_sec_filter {
809 __u32 type_mask;
810 __u32 event_mask[2];
811 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
812};
813
814/* ----- HCI requests ----- */
815#define HCI_REQ_DONE 0
816#define HCI_REQ_PEND 1
817#define HCI_REQ_CANCELED 2
818
a6a67efd
TG		 819#define hci_req_lock(d) mutex_lock(&d->req_lock)
820#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 821
23bb5763 822void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4 823
2ce603eb
CT		 824void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
825 u16 latency, u16 to_multiplier);
1da177e4 826#endif /* __HCI_CORE_H */
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