Bluetooth: Implement a more complete adapter initialization sequence
[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
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;
63};
64
f0358568
JH
65struct bdaddr_list {
66 struct list_head list;
67 bdaddr_t bdaddr;
68};
2aeb9a1a
JH
69
70struct bt_uuid {
71 struct list_head list;
72 u8 uuid[16];
73};
74
cd4c5391 75#define NUM_REASSEMBLY 4
1da177e4
LT
76struct hci_dev {
77 struct list_head list;
78 spinlock_t lock;
79 atomic_t refcnt;
80
81 char name[8];
82 unsigned long flags;
83 __u16 id;
c13854ce 84 __u8 bus;
943da25d 85 __u8 dev_type;
1da177e4 86 bdaddr_t bdaddr;
a9de9248
MH
87 __u8 dev_name[248];
88 __u8 dev_class[3];
1da177e4 89 __u8 features[8];
a9de9248 90 __u8 commands[64];
333140b5 91 __u8 ssp_mode;
1143e5a6
MH
92 __u8 hci_ver;
93 __u16 hci_rev;
d5859e22 94 __u8 lmp_ver;
1143e5a6 95 __u16 manufacturer;
d5859e22 96 __le16 lmp_subver;
1da177e4
LT
97 __u16 voice_setting;
98
99 __u16 pkt_type;
5b7f9909 100 __u16 esco_type;
1da177e4
LT
101 __u16 link_policy;
102 __u16 link_mode;
103
04837f64
MH
104 __u32 idle_timeout;
105 __u16 sniff_min_interval;
106 __u16 sniff_max_interval;
107
1da177e4
LT
108 unsigned long quirks;
109
110 atomic_t cmd_cnt;
111 unsigned int acl_cnt;
112 unsigned int sco_cnt;
113
114 unsigned int acl_mtu;
115 unsigned int sco_mtu;
116 unsigned int acl_pkts;
117 unsigned int sco_pkts;
118
119 unsigned long cmd_last_tx;
120 unsigned long acl_last_tx;
121 unsigned long sco_last_tx;
122
f48fd9c8
MH
123 struct workqueue_struct *workqueue;
124
ab81cbf9
JH
125 struct work_struct power_on;
126 struct work_struct power_off;
127 struct timer_list off_timer;
128
1da177e4
LT
129 struct tasklet_struct cmd_task;
130 struct tasklet_struct rx_task;
131 struct tasklet_struct tx_task;
132
133 struct sk_buff_head rx_q;
134 struct sk_buff_head raw_q;
135 struct sk_buff_head cmd_q;
136
137 struct sk_buff *sent_cmd;
cd4c5391 138 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 139
a6a67efd 140 struct mutex req_lock;
1da177e4
LT
141 wait_queue_head_t req_wait_q;
142 __u32 req_status;
143 __u32 req_result;
a5040efa
JH
144
145 __u16 init_last_cmd;
1da177e4
LT
146
147 struct inquiry_cache inq_cache;
148 struct hci_conn_hash conn_hash;
ea4bd8ba 149 struct list_head blacklist;
1da177e4 150
2aeb9a1a
JH
151 struct list_head uuids;
152
1da177e4
LT
153 struct hci_dev_stats stat;
154
155 struct sk_buff_head driver_init;
156
157 void *driver_data;
158 void *core_data;
159
70f23020 160 atomic_t promisc;
1da177e4 161
ca325f69
MH
162 struct dentry *debugfs;
163
a91f2e39
MH
164 struct device *parent;
165 struct device dev;
1da177e4 166
611b30f7
MH
167 struct rfkill *rfkill;
168
70f23020 169 struct module *owner;
1da177e4
LT
170
171 int (*open)(struct hci_dev *hdev);
172 int (*close)(struct hci_dev *hdev);
173 int (*flush)(struct hci_dev *hdev);
174 int (*send)(struct sk_buff *skb);
175 void (*destruct)(struct hci_dev *hdev);
176 void (*notify)(struct hci_dev *hdev, unsigned int evt);
177 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
178};
179
180struct hci_conn {
181 struct list_head list;
182
183 atomic_t refcnt;
184 spinlock_t lock;
185
186 bdaddr_t dst;
187 __u16 handle;
188 __u16 state;
04837f64 189 __u8 mode;
1da177e4
LT
190 __u8 type;
191 __u8 out;
4c67bc74 192 __u8 attempt;
1da177e4 193 __u8 dev_class[3];
04837f64 194 __u8 features[8];
41a96212 195 __u8 ssp_mode;
04837f64 196 __u16 interval;
a8746417 197 __u16 pkt_type;
04837f64 198 __u16 link_policy;
1da177e4 199 __u32 link_mode;
40be492f 200 __u8 auth_type;
8c1b2355 201 __u8 sec_level;
765c2a96 202 __u8 pending_sec_level;
04837f64 203 __u8 power_save;
052b30b0 204 __u16 disc_timeout;
1da177e4 205 unsigned long pend;
04837f64 206
03b555e1
JH
207 __u8 remote_cap;
208 __u8 remote_oob;
209 __u8 remote_auth;
210
1da177e4 211 unsigned int sent;
04837f64 212
1da177e4
LT
213 struct sk_buff_head data_q;
214
04837f64
MH
215 struct timer_list disc_timer;
216 struct timer_list idle_timer;
217
f3784d83
RQ
218 struct work_struct work_add;
219 struct work_struct work_del;
b219e3ac
MH
220
221 struct device dev;
9eba32b8 222 atomic_t devref;
b219e3ac 223
1da177e4
LT
224 struct hci_dev *hdev;
225 void *l2cap_data;
226 void *sco_data;
227 void *priv;
228
229 struct hci_conn *link;
230};
231
232extern struct hci_proto *hci_proto[];
233extern struct list_head hci_dev_list;
234extern struct list_head hci_cb_list;
235extern rwlock_t hci_dev_list_lock;
236extern rwlock_t hci_cb_list_lock;
237
238/* ----- Inquiry cache ----- */
70f23020
AE
239#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
240#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4
LT
241
242#define inquiry_cache_lock(c) spin_lock(&c->lock)
243#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
244#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
245#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
246
247static inline void inquiry_cache_init(struct hci_dev *hdev)
248{
249 struct inquiry_cache *c = &hdev->inq_cache;
250 spin_lock_init(&c->lock);
251 c->list = NULL;
252}
253
254static inline int inquiry_cache_empty(struct hci_dev *hdev)
255{
256 struct inquiry_cache *c = &hdev->inq_cache;
a02cec21 257 return c->list == NULL;
1da177e4
LT
258}
259
260static inline long inquiry_cache_age(struct hci_dev *hdev)
261{
262 struct inquiry_cache *c = &hdev->inq_cache;
263 return jiffies - c->timestamp;
264}
265
266static inline long inquiry_entry_age(struct inquiry_entry *e)
267{
268 return jiffies - e->timestamp;
269}
270
271struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
272void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
273
274/* ----- HCI Connections ----- */
275enum {
276 HCI_CONN_AUTH_PEND,
277 HCI_CONN_ENCRYPT_PEND,
04837f64
MH
278 HCI_CONN_RSWITCH_PEND,
279 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 280 HCI_CONN_SCO_SETUP_PEND,
1da177e4
LT
281};
282
283static inline void hci_conn_hash_init(struct hci_dev *hdev)
284{
285 struct hci_conn_hash *h = &hdev->conn_hash;
286 INIT_LIST_HEAD(&h->list);
287 spin_lock_init(&h->lock);
288 h->acl_num = 0;
289 h->sco_num = 0;
290}
291
292static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
293{
294 struct hci_conn_hash *h = &hdev->conn_hash;
295 list_add(&c->list, &h->list);
296 if (c->type == ACL_LINK)
297 h->acl_num++;
298 else
299 h->sco_num++;
300}
301
302static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
303{
304 struct hci_conn_hash *h = &hdev->conn_hash;
305 list_del(&c->list);
306 if (c->type == ACL_LINK)
307 h->acl_num--;
308 else
309 h->sco_num--;
310}
311
312static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
313 __u16 handle)
314{
315 struct hci_conn_hash *h = &hdev->conn_hash;
316 struct list_head *p;
317 struct hci_conn *c;
318
319 list_for_each(p, &h->list) {
320 c = list_entry(p, struct hci_conn, list);
321 if (c->handle == handle)
322 return c;
323 }
324 return NULL;
325}
326
327static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
328 __u8 type, bdaddr_t *ba)
329{
330 struct hci_conn_hash *h = &hdev->conn_hash;
331 struct list_head *p;
332 struct hci_conn *c;
333
334 list_for_each(p, &h->list) {
335 c = list_entry(p, struct hci_conn, list);
336 if (c->type == type && !bacmp(&c->dst, ba))
337 return c;
338 }
339 return NULL;
340}
341
4c67bc74
MH
342static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
343 __u8 type, __u16 state)
344{
345 struct hci_conn_hash *h = &hdev->conn_hash;
346 struct list_head *p;
347 struct hci_conn *c;
348
349 list_for_each(p, &h->list) {
350 c = list_entry(p, struct hci_conn, list);
351 if (c->type == type && c->state == state)
352 return c;
353 }
354 return NULL;
355}
356
357void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT
358void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
359void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 360void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 361void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT
362
363struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH
364int hci_conn_del(struct hci_conn *conn);
365void hci_conn_hash_flush(struct hci_dev *hdev);
366void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 367
8c1b2355 368struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type);
e7c29cb1 369int hci_conn_check_link_mode(struct hci_conn *conn);
0684e5f9 370int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 371int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 372int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 373
04837f64
MH
374void hci_conn_enter_active_mode(struct hci_conn *conn);
375void hci_conn_enter_sniff_mode(struct hci_conn *conn);
1da177e4 376
9eba32b8
MH
377void hci_conn_hold_device(struct hci_conn *conn);
378void hci_conn_put_device(struct hci_conn *conn);
379
1da177e4
LT
380static inline void hci_conn_hold(struct hci_conn *conn)
381{
382 atomic_inc(&conn->refcnt);
04837f64 383 del_timer(&conn->disc_timer);
1da177e4
LT
384}
385
386static inline void hci_conn_put(struct hci_conn *conn)
387{
388 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 389 unsigned long timeo;
1da177e4 390 if (conn->type == ACL_LINK) {
04837f64 391 del_timer(&conn->idle_timer);
6ac59344 392 if (conn->state == BT_CONNECTED) {
052b30b0 393 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 394 if (!conn->out)
052b30b0 395 timeo *= 2;
6ac59344
MH
396 } else
397 timeo = msecs_to_jiffies(10);
1da177e4 398 } else
04837f64
MH
399 timeo = msecs_to_jiffies(10);
400 mod_timer(&conn->disc_timer, jiffies + timeo);
1da177e4
LT
401 }
402}
403
1da177e4
LT
404/* ----- HCI Devices ----- */
405static inline void __hci_dev_put(struct hci_dev *d)
406{
407 if (atomic_dec_and_test(&d->refcnt))
408 d->destruct(d);
409}
410
411static inline void hci_dev_put(struct hci_dev *d)
04fafe4e 412{
1da177e4
LT
413 __hci_dev_put(d);
414 module_put(d->owner);
415}
416
417static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
418{
419 atomic_inc(&d->refcnt);
420 return d;
421}
422
423static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
424{
425 if (try_module_get(d->owner))
426 return __hci_dev_hold(d);
427 return NULL;
428}
429
430#define hci_dev_lock(d) spin_lock(&d->lock)
431#define hci_dev_unlock(d) spin_unlock(&d->lock)
432#define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
433#define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
434
435struct hci_dev *hci_dev_get(int index);
436struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
437
438struct hci_dev *hci_alloc_dev(void);
439void hci_free_dev(struct hci_dev *hdev);
440int hci_register_dev(struct hci_dev *hdev);
441int hci_unregister_dev(struct hci_dev *hdev);
442int hci_suspend_dev(struct hci_dev *hdev);
443int hci_resume_dev(struct hci_dev *hdev);
444int hci_dev_open(__u16 dev);
445int hci_dev_close(__u16 dev);
446int hci_dev_reset(__u16 dev);
447int hci_dev_reset_stat(__u16 dev);
448int hci_dev_cmd(unsigned int cmd, void __user *arg);
449int hci_get_dev_list(void __user *arg);
450int hci_get_dev_info(void __user *arg);
451int hci_get_conn_list(void __user *arg);
452int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 453int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT
454int hci_inquiry(void __user *arg);
455
f0358568
JH
456struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
457int hci_blacklist_clear(struct hci_dev *hdev);
458
2aeb9a1a
JH
459int hci_uuids_clear(struct hci_dev *hdev);
460
ab81cbf9
JH
461void hci_del_off_timer(struct hci_dev *hdev);
462
1da177e4
LT
463void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
464
76bca880 465int hci_recv_frame(struct sk_buff *skb);
ef222013 466int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 467int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 468
1da177e4
LT
469int hci_register_sysfs(struct hci_dev *hdev);
470void hci_unregister_sysfs(struct hci_dev *hdev);
a67e899c 471void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH
472void hci_conn_add_sysfs(struct hci_conn *conn);
473void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 474
a91f2e39 475#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT
476
477/* ----- LMP capabilities ----- */
04837f64
MH
478#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
479#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
480#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
481#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 482#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 483#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 484#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
1da177e4
LT
485
486/* ----- HCI protocols ----- */
487struct hci_proto {
8c1b2355 488 char *name;
1da177e4
LT
489 unsigned int id;
490 unsigned long flags;
491
492 void *priv;
493
8c1b2355 494 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type);
1da177e4 495 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
2950f21a
MH
496 int (*disconn_ind) (struct hci_conn *conn);
497 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
1da177e4
LT
498 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
499 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
8c1b2355 500 int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT
501};
502
503static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
504{
505 register struct hci_proto *hp;
506 int mask = 0;
8c1b2355 507
1da177e4
LT
508 hp = hci_proto[HCI_PROTO_L2CAP];
509 if (hp && hp->connect_ind)
510 mask |= hp->connect_ind(hdev, bdaddr, type);
511
512 hp = hci_proto[HCI_PROTO_SCO];
513 if (hp && hp->connect_ind)
514 mask |= hp->connect_ind(hdev, bdaddr, type);
515
516 return mask;
517}
518
519static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
520{
521 register struct hci_proto *hp;
522
523 hp = hci_proto[HCI_PROTO_L2CAP];
524 if (hp && hp->connect_cfm)
525 hp->connect_cfm(conn, status);
526
527 hp = hci_proto[HCI_PROTO_SCO];
528 if (hp && hp->connect_cfm)
529 hp->connect_cfm(conn, status);
530}
531
2950f21a 532static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4
LT
533{
534 register struct hci_proto *hp;
2950f21a 535 int reason = 0x13;
1da177e4
LT
536
537 hp = hci_proto[HCI_PROTO_L2CAP];
538 if (hp && hp->disconn_ind)
2950f21a 539 reason = hp->disconn_ind(conn);
1da177e4
LT
540
541 hp = hci_proto[HCI_PROTO_SCO];
542 if (hp && hp->disconn_ind)
2950f21a
MH
543 reason = hp->disconn_ind(conn);
544
545 return reason;
546}
547
548static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
549{
550 register struct hci_proto *hp;
551
552 hp = hci_proto[HCI_PROTO_L2CAP];
553 if (hp && hp->disconn_cfm)
554 hp->disconn_cfm(conn, reason);
555
556 hp = hci_proto[HCI_PROTO_SCO];
557 if (hp && hp->disconn_cfm)
558 hp->disconn_cfm(conn, reason);
1da177e4
LT
559}
560
561static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
562{
563 register struct hci_proto *hp;
8c1b2355
MH
564 __u8 encrypt;
565
566 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
567 return;
568
569 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
1da177e4
LT
570
571 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH
572 if (hp && hp->security_cfm)
573 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
574
575 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH
576 if (hp && hp->security_cfm)
577 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
578}
579
9719f8af 580static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
1da177e4
LT
581{
582 register struct hci_proto *hp;
583
584 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH
585 if (hp && hp->security_cfm)
586 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
587
588 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH
589 if (hp && hp->security_cfm)
590 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
591}
592
593int hci_register_proto(struct hci_proto *hproto);
594int hci_unregister_proto(struct hci_proto *hproto);
595
596/* ----- HCI callbacks ----- */
597struct hci_cb {
598 struct list_head list;
599
600 char *name;
601
8c1b2355 602 void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT
603 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
604 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
605};
606
607static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
608{
609 struct list_head *p;
8c1b2355 610 __u8 encrypt;
1da177e4
LT
611
612 hci_proto_auth_cfm(conn, status);
613
8c1b2355
MH
614 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
615 return;
616
617 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
618
1da177e4
LT
619 read_lock_bh(&hci_cb_list_lock);
620 list_for_each(p, &hci_cb_list) {
621 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH
622 if (cb->security_cfm)
623 cb->security_cfm(conn, status, encrypt);
1da177e4
LT
624 }
625 read_unlock_bh(&hci_cb_list_lock);
626}
627
628static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
629{
630 struct list_head *p;
631
435fef20
MH
632 if (conn->sec_level == BT_SECURITY_SDP)
633 conn->sec_level = BT_SECURITY_LOW;
634
9719f8af 635 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT
636
637 read_lock_bh(&hci_cb_list_lock);
638 list_for_each(p, &hci_cb_list) {
639 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH
640 if (cb->security_cfm)
641 cb->security_cfm(conn, status, encrypt);
1da177e4
LT
642 }
643 read_unlock_bh(&hci_cb_list_lock);
644}
645
646static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
647{
648 struct list_head *p;
649
650 read_lock_bh(&hci_cb_list_lock);
651 list_for_each(p, &hci_cb_list) {
652 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
653 if (cb->key_change_cfm)
654 cb->key_change_cfm(conn, status);
655 }
656 read_unlock_bh(&hci_cb_list_lock);
657}
658
659static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role)
660{
661 struct list_head *p;
662
663 read_lock_bh(&hci_cb_list_lock);
664 list_for_each(p, &hci_cb_list) {
665 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
666 if (cb->role_switch_cfm)
667 cb->role_switch_cfm(conn, status, role);
668 }
669 read_unlock_bh(&hci_cb_list_lock);
670}
671
672int hci_register_cb(struct hci_cb *hcb);
673int hci_unregister_cb(struct hci_cb *hcb);
674
675int hci_register_notifier(struct notifier_block *nb);
676int hci_unregister_notifier(struct notifier_block *nb);
677
a9de9248 678int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
9a9c6a34 679void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
0d861d8b 680void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 681
a9de9248 682void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT
683
684void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
685
686/* ----- HCI Sockets ----- */
eec8d2bc
JH
687void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
688 struct sock *skip_sk);
1da177e4 689
0381101f
JH
690/* Management interface */
691int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
c71e97bf
JH
692int mgmt_index_added(u16 index);
693int mgmt_index_removed(u16 index);
5add6af8 694int mgmt_powered(u16 index, u8 powered);
73f22f62 695int mgmt_discoverable(u16 index, u8 discoverable);
9fbcbb45 696int mgmt_connectable(u16 index, u8 connectable);
0381101f 697
1da177e4
LT
698/* HCI info for socket */
699#define hci_pi(sk) ((struct hci_pinfo *) sk)
700
701struct hci_pinfo {
702 struct bt_sock bt;
703 struct hci_dev *hdev;
704 struct hci_filter filter;
705 __u32 cmsg_mask;
c02178d2 706 unsigned short channel;
1da177e4
LT
707};
708
709/* HCI security filter */
710#define HCI_SFLT_MAX_OGF 5
711
712struct hci_sec_filter {
713 __u32 type_mask;
714 __u32 event_mask[2];
715 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
716};
717
718/* ----- HCI requests ----- */
719#define HCI_REQ_DONE 0
720#define HCI_REQ_PEND 1
721#define HCI_REQ_CANCELED 2
722
a6a67efd
TG
723#define hci_req_lock(d) mutex_lock(&d->req_lock)
724#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 725
23bb5763 726void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4
LT
727
728#endif /* __HCI_CORE_H */