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