Bluetooth: Add native RFKILL soft-switch support for all devices
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / net / bluetooth / hci_core.h
CommitLineData
1da177e4
LT
1/*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
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
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
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
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 {
47 struct inquiry_entry *next;
48 __u32 timestamp;
49 struct inquiry_data data;
50};
51
52struct inquiry_cache {
53 spinlock_t lock;
54 __u32 timestamp;
55 struct inquiry_entry *list;
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
65struct hci_dev {
66 struct list_head list;
67 spinlock_t lock;
68 atomic_t refcnt;
69
70 char name[8];
71 unsigned long flags;
72 __u16 id;
73 __u8 type;
74 bdaddr_t bdaddr;
a9de9248
MH
75 __u8 dev_name[248];
76 __u8 dev_class[3];
1da177e4 77 __u8 features[8];
a9de9248 78 __u8 commands[64];
333140b5 79 __u8 ssp_mode;
1143e5a6
MH
80 __u8 hci_ver;
81 __u16 hci_rev;
82 __u16 manufacturer;
1da177e4
LT
83 __u16 voice_setting;
84
85 __u16 pkt_type;
5b7f9909 86 __u16 esco_type;
1da177e4
LT
87 __u16 link_policy;
88 __u16 link_mode;
89
04837f64
MH
90 __u32 idle_timeout;
91 __u16 sniff_min_interval;
92 __u16 sniff_max_interval;
93
1da177e4
LT
94 unsigned long quirks;
95
96 atomic_t cmd_cnt;
97 unsigned int acl_cnt;
98 unsigned int sco_cnt;
99
100 unsigned int acl_mtu;
101 unsigned int sco_mtu;
102 unsigned int acl_pkts;
103 unsigned int sco_pkts;
104
105 unsigned long cmd_last_tx;
106 unsigned long acl_last_tx;
107 unsigned long sco_last_tx;
108
109 struct tasklet_struct cmd_task;
110 struct tasklet_struct rx_task;
111 struct tasklet_struct tx_task;
112
113 struct sk_buff_head rx_q;
114 struct sk_buff_head raw_q;
115 struct sk_buff_head cmd_q;
116
117 struct sk_buff *sent_cmd;
ef222013 118 struct sk_buff *reassembly[3];
1da177e4
LT
119
120 struct semaphore req_lock;
121 wait_queue_head_t req_wait_q;
122 __u32 req_status;
123 __u32 req_result;
124
125 struct inquiry_cache inq_cache;
126 struct hci_conn_hash conn_hash;
127
128 struct hci_dev_stats stat;
129
130 struct sk_buff_head driver_init;
131
132 void *driver_data;
133 void *core_data;
134
135 atomic_t promisc;
136
a91f2e39
MH
137 struct device *parent;
138 struct device dev;
1da177e4 139
611b30f7
MH
140 struct rfkill *rfkill;
141
1da177e4
LT
142 struct module *owner;
143
144 int (*open)(struct hci_dev *hdev);
145 int (*close)(struct hci_dev *hdev);
146 int (*flush)(struct hci_dev *hdev);
147 int (*send)(struct sk_buff *skb);
148 void (*destruct)(struct hci_dev *hdev);
149 void (*notify)(struct hci_dev *hdev, unsigned int evt);
150 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
151};
152
153struct hci_conn {
154 struct list_head list;
155
156 atomic_t refcnt;
157 spinlock_t lock;
158
159 bdaddr_t dst;
160 __u16 handle;
161 __u16 state;
04837f64 162 __u8 mode;
1da177e4
LT
163 __u8 type;
164 __u8 out;
4c67bc74 165 __u8 attempt;
1da177e4 166 __u8 dev_class[3];
04837f64 167 __u8 features[8];
41a96212 168 __u8 ssp_mode;
04837f64 169 __u16 interval;
a8746417 170 __u16 pkt_type;
04837f64 171 __u16 link_policy;
1da177e4 172 __u32 link_mode;
40be492f 173 __u8 auth_type;
8c1b2355 174 __u8 sec_level;
04837f64 175 __u8 power_save;
052b30b0 176 __u16 disc_timeout;
1da177e4 177 unsigned long pend;
04837f64 178
1da177e4 179 unsigned int sent;
04837f64 180
1da177e4
LT
181 struct sk_buff_head data_q;
182
04837f64
MH
183 struct timer_list disc_timer;
184 struct timer_list idle_timer;
185
f3784d83
RQ
186 struct work_struct work_add;
187 struct work_struct work_del;
b219e3ac
MH
188
189 struct device dev;
190
1da177e4
LT
191 struct hci_dev *hdev;
192 void *l2cap_data;
193 void *sco_data;
194 void *priv;
195
196 struct hci_conn *link;
197};
198
199extern struct hci_proto *hci_proto[];
200extern struct list_head hci_dev_list;
201extern struct list_head hci_cb_list;
202extern rwlock_t hci_dev_list_lock;
203extern rwlock_t hci_cb_list_lock;
204
205/* ----- Inquiry cache ----- */
206#define INQUIRY_CACHE_AGE_MAX (HZ*30) // 30 seconds
207#define INQUIRY_ENTRY_AGE_MAX (HZ*60) // 60 seconds
208
209#define inquiry_cache_lock(c) spin_lock(&c->lock)
210#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
211#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
212#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
213
214static inline void inquiry_cache_init(struct hci_dev *hdev)
215{
216 struct inquiry_cache *c = &hdev->inq_cache;
217 spin_lock_init(&c->lock);
218 c->list = NULL;
219}
220
221static inline int inquiry_cache_empty(struct hci_dev *hdev)
222{
223 struct inquiry_cache *c = &hdev->inq_cache;
224 return (c->list == NULL);
225}
226
227static inline long inquiry_cache_age(struct hci_dev *hdev)
228{
229 struct inquiry_cache *c = &hdev->inq_cache;
230 return jiffies - c->timestamp;
231}
232
233static inline long inquiry_entry_age(struct inquiry_entry *e)
234{
235 return jiffies - e->timestamp;
236}
237
238struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
239void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
240
241/* ----- HCI Connections ----- */
242enum {
243 HCI_CONN_AUTH_PEND,
244 HCI_CONN_ENCRYPT_PEND,
04837f64
MH
245 HCI_CONN_RSWITCH_PEND,
246 HCI_CONN_MODE_CHANGE_PEND,
1da177e4
LT
247};
248
249static inline void hci_conn_hash_init(struct hci_dev *hdev)
250{
251 struct hci_conn_hash *h = &hdev->conn_hash;
252 INIT_LIST_HEAD(&h->list);
253 spin_lock_init(&h->lock);
254 h->acl_num = 0;
255 h->sco_num = 0;
256}
257
258static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
259{
260 struct hci_conn_hash *h = &hdev->conn_hash;
261 list_add(&c->list, &h->list);
262 if (c->type == ACL_LINK)
263 h->acl_num++;
264 else
265 h->sco_num++;
266}
267
268static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
269{
270 struct hci_conn_hash *h = &hdev->conn_hash;
271 list_del(&c->list);
272 if (c->type == ACL_LINK)
273 h->acl_num--;
274 else
275 h->sco_num--;
276}
277
278static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
279 __u16 handle)
280{
281 struct hci_conn_hash *h = &hdev->conn_hash;
282 struct list_head *p;
283 struct hci_conn *c;
284
285 list_for_each(p, &h->list) {
286 c = list_entry(p, struct hci_conn, list);
287 if (c->handle == handle)
288 return c;
289 }
290 return NULL;
291}
292
293static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
294 __u8 type, bdaddr_t *ba)
295{
296 struct hci_conn_hash *h = &hdev->conn_hash;
297 struct list_head *p;
298 struct hci_conn *c;
299
300 list_for_each(p, &h->list) {
301 c = list_entry(p, struct hci_conn, list);
302 if (c->type == type && !bacmp(&c->dst, ba))
303 return c;
304 }
305 return NULL;
306}
307
4c67bc74
MH
308static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
309 __u8 type, __u16 state)
310{
311 struct hci_conn_hash *h = &hdev->conn_hash;
312 struct list_head *p;
313 struct hci_conn *c;
314
315 list_for_each(p, &h->list) {
316 c = list_entry(p, struct hci_conn, list);
317 if (c->type == type && c->state == state)
318 return c;
319 }
320 return NULL;
321}
322
323void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT
324void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
325void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 326void hci_setup_sync(struct hci_conn *conn, __u16 handle);
1da177e4
LT
327
328struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH
329int hci_conn_del(struct hci_conn *conn);
330void hci_conn_hash_flush(struct hci_dev *hdev);
331void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 332
8c1b2355 333struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type);
e7c29cb1 334int hci_conn_check_link_mode(struct hci_conn *conn);
0684e5f9 335int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 336int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 337int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 338
04837f64
MH
339void hci_conn_enter_active_mode(struct hci_conn *conn);
340void hci_conn_enter_sniff_mode(struct hci_conn *conn);
1da177e4
LT
341
342static inline void hci_conn_hold(struct hci_conn *conn)
343{
344 atomic_inc(&conn->refcnt);
04837f64 345 del_timer(&conn->disc_timer);
1da177e4
LT
346}
347
348static inline void hci_conn_put(struct hci_conn *conn)
349{
350 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 351 unsigned long timeo;
1da177e4 352 if (conn->type == ACL_LINK) {
04837f64 353 del_timer(&conn->idle_timer);
6ac59344 354 if (conn->state == BT_CONNECTED) {
052b30b0 355 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 356 if (!conn->out)
052b30b0 357 timeo *= 2;
6ac59344
MH
358 } else
359 timeo = msecs_to_jiffies(10);
1da177e4 360 } else
04837f64
MH
361 timeo = msecs_to_jiffies(10);
362 mod_timer(&conn->disc_timer, jiffies + timeo);
1da177e4
LT
363 }
364}
365
366/* ----- HCI tasks ----- */
367static inline void hci_sched_cmd(struct hci_dev *hdev)
368{
369 tasklet_schedule(&hdev->cmd_task);
370}
371
372static inline void hci_sched_rx(struct hci_dev *hdev)
373{
374 tasklet_schedule(&hdev->rx_task);
375}
376
377static inline void hci_sched_tx(struct hci_dev *hdev)
378{
379 tasklet_schedule(&hdev->tx_task);
380}
381
382/* ----- HCI Devices ----- */
383static inline void __hci_dev_put(struct hci_dev *d)
384{
385 if (atomic_dec_and_test(&d->refcnt))
386 d->destruct(d);
387}
388
389static inline void hci_dev_put(struct hci_dev *d)
390{
391 __hci_dev_put(d);
392 module_put(d->owner);
393}
394
395static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
396{
397 atomic_inc(&d->refcnt);
398 return d;
399}
400
401static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
402{
403 if (try_module_get(d->owner))
404 return __hci_dev_hold(d);
405 return NULL;
406}
407
408#define hci_dev_lock(d) spin_lock(&d->lock)
409#define hci_dev_unlock(d) spin_unlock(&d->lock)
410#define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
411#define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
412
413struct hci_dev *hci_dev_get(int index);
414struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
415
416struct hci_dev *hci_alloc_dev(void);
417void hci_free_dev(struct hci_dev *hdev);
418int hci_register_dev(struct hci_dev *hdev);
419int hci_unregister_dev(struct hci_dev *hdev);
420int hci_suspend_dev(struct hci_dev *hdev);
421int hci_resume_dev(struct hci_dev *hdev);
422int hci_dev_open(__u16 dev);
423int hci_dev_close(__u16 dev);
424int hci_dev_reset(__u16 dev);
425int hci_dev_reset_stat(__u16 dev);
426int hci_dev_cmd(unsigned int cmd, void __user *arg);
427int hci_get_dev_list(void __user *arg);
428int hci_get_dev_info(void __user *arg);
429int hci_get_conn_list(void __user *arg);
430int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 431int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT
432int hci_inquiry(void __user *arg);
433
434void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
435
436/* Receive frame from HCI drivers */
437static inline int hci_recv_frame(struct sk_buff *skb)
438{
439 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
440 if (!hdev || (!test_bit(HCI_UP, &hdev->flags)
441 && !test_bit(HCI_INIT, &hdev->flags))) {
442 kfree_skb(skb);
443 return -ENXIO;
444 }
445
446 /* Incomming skb */
447 bt_cb(skb)->incoming = 1;
448
449 /* Time stamp */
a61bbcf2 450 __net_timestamp(skb);
1da177e4
LT
451
452 /* Queue frame for rx task */
453 skb_queue_tail(&hdev->rx_q, skb);
454 hci_sched_rx(hdev);
455 return 0;
456}
457
ef222013
MH
458int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
459
1da177e4
LT
460int hci_register_sysfs(struct hci_dev *hdev);
461void hci_unregister_sysfs(struct hci_dev *hdev);
a67e899c 462void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH
463void hci_conn_add_sysfs(struct hci_conn *conn);
464void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 465
a91f2e39 466#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT
467
468/* ----- LMP capabilities ----- */
04837f64
MH
469#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
470#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
471#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
472#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 473#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 474#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
1da177e4
LT
475
476/* ----- HCI protocols ----- */
477struct hci_proto {
8c1b2355 478 char *name;
1da177e4
LT
479 unsigned int id;
480 unsigned long flags;
481
482 void *priv;
483
8c1b2355 484 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type);
1da177e4 485 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
2950f21a
MH
486 int (*disconn_ind) (struct hci_conn *conn);
487 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
1da177e4
LT
488 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
489 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
8c1b2355 490 int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT
491};
492
493static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
494{
495 register struct hci_proto *hp;
496 int mask = 0;
8c1b2355 497
1da177e4
LT
498 hp = hci_proto[HCI_PROTO_L2CAP];
499 if (hp && hp->connect_ind)
500 mask |= hp->connect_ind(hdev, bdaddr, type);
501
502 hp = hci_proto[HCI_PROTO_SCO];
503 if (hp && hp->connect_ind)
504 mask |= hp->connect_ind(hdev, bdaddr, type);
505
506 return mask;
507}
508
509static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
510{
511 register struct hci_proto *hp;
512
513 hp = hci_proto[HCI_PROTO_L2CAP];
514 if (hp && hp->connect_cfm)
515 hp->connect_cfm(conn, status);
516
517 hp = hci_proto[HCI_PROTO_SCO];
518 if (hp && hp->connect_cfm)
519 hp->connect_cfm(conn, status);
520}
521
2950f21a 522static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4
LT
523{
524 register struct hci_proto *hp;
2950f21a 525 int reason = 0x13;
1da177e4
LT
526
527 hp = hci_proto[HCI_PROTO_L2CAP];
528 if (hp && hp->disconn_ind)
2950f21a 529 reason = hp->disconn_ind(conn);
1da177e4
LT
530
531 hp = hci_proto[HCI_PROTO_SCO];
532 if (hp && hp->disconn_ind)
2950f21a
MH
533 reason = hp->disconn_ind(conn);
534
535 return reason;
536}
537
538static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
539{
540 register struct hci_proto *hp;
541
542 hp = hci_proto[HCI_PROTO_L2CAP];
543 if (hp && hp->disconn_cfm)
544 hp->disconn_cfm(conn, reason);
545
546 hp = hci_proto[HCI_PROTO_SCO];
547 if (hp && hp->disconn_cfm)
548 hp->disconn_cfm(conn, reason);
1da177e4
LT
549}
550
551static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
552{
553 register struct hci_proto *hp;
8c1b2355
MH
554 __u8 encrypt;
555
556 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
557 return;
558
559 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
1da177e4
LT
560
561 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH
562 if (hp && hp->security_cfm)
563 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
564
565 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH
566 if (hp && hp->security_cfm)
567 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
568}
569
9719f8af 570static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
1da177e4
LT
571{
572 register struct hci_proto *hp;
573
574 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH
575 if (hp && hp->security_cfm)
576 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
577
578 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH
579 if (hp && hp->security_cfm)
580 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
581}
582
583int hci_register_proto(struct hci_proto *hproto);
584int hci_unregister_proto(struct hci_proto *hproto);
585
586/* ----- HCI callbacks ----- */
587struct hci_cb {
588 struct list_head list;
589
590 char *name;
591
8c1b2355 592 void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT
593 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
594 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
595};
596
597static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
598{
599 struct list_head *p;
8c1b2355 600 __u8 encrypt;
1da177e4
LT
601
602 hci_proto_auth_cfm(conn, status);
603
8c1b2355
MH
604 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
605 return;
606
607 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
608
1da177e4
LT
609 read_lock_bh(&hci_cb_list_lock);
610 list_for_each(p, &hci_cb_list) {
611 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH
612 if (cb->security_cfm)
613 cb->security_cfm(conn, status, encrypt);
1da177e4
LT
614 }
615 read_unlock_bh(&hci_cb_list_lock);
616}
617
618static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
619{
620 struct list_head *p;
621
435fef20
MH
622 if (conn->sec_level == BT_SECURITY_SDP)
623 conn->sec_level = BT_SECURITY_LOW;
624
9719f8af 625 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT
626
627 read_lock_bh(&hci_cb_list_lock);
628 list_for_each(p, &hci_cb_list) {
629 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH
630 if (cb->security_cfm)
631 cb->security_cfm(conn, status, encrypt);
1da177e4
LT
632 }
633 read_unlock_bh(&hci_cb_list_lock);
634}
635
636static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
637{
638 struct list_head *p;
639
640 read_lock_bh(&hci_cb_list_lock);
641 list_for_each(p, &hci_cb_list) {
642 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
643 if (cb->key_change_cfm)
644 cb->key_change_cfm(conn, status);
645 }
646 read_unlock_bh(&hci_cb_list_lock);
647}
648
649static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role)
650{
651 struct list_head *p;
652
653 read_lock_bh(&hci_cb_list_lock);
654 list_for_each(p, &hci_cb_list) {
655 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
656 if (cb->role_switch_cfm)
657 cb->role_switch_cfm(conn, status, role);
658 }
659 read_unlock_bh(&hci_cb_list_lock);
660}
661
662int hci_register_cb(struct hci_cb *hcb);
663int hci_unregister_cb(struct hci_cb *hcb);
664
665int hci_register_notifier(struct notifier_block *nb);
666int hci_unregister_notifier(struct notifier_block *nb);
667
a9de9248 668int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
1da177e4
LT
669int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
670int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
671
a9de9248 672void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT
673
674void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
675
676/* ----- HCI Sockets ----- */
677void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
678
679/* HCI info for socket */
680#define hci_pi(sk) ((struct hci_pinfo *) sk)
681
682struct hci_pinfo {
683 struct bt_sock bt;
684 struct hci_dev *hdev;
685 struct hci_filter filter;
686 __u32 cmsg_mask;
687};
688
689/* HCI security filter */
690#define HCI_SFLT_MAX_OGF 5
691
692struct hci_sec_filter {
693 __u32 type_mask;
694 __u32 event_mask[2];
695 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
696};
697
698/* ----- HCI requests ----- */
699#define HCI_REQ_DONE 0
700#define HCI_REQ_PEND 1
701#define HCI_REQ_CANCELED 2
702
703#define hci_req_lock(d) down(&d->req_lock)
704#define hci_req_unlock(d) up(&d->req_lock)
705
706void hci_req_complete(struct hci_dev *hdev, int result);
707
708#endif /* __HCI_CORE_H */