projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluet...
[linux-2.6-block.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;
04837f64 172 __u8 power_save;
1da177e4 173 unsigned long pend;
04837f64 174
1da177e4 175 unsigned int sent;
04837f64 176
1da177e4
LT		 177 struct sk_buff_head data_q;
178
04837f64
MH		 179 struct timer_list disc_timer;
180 struct timer_list idle_timer;
181
b219e3ac
MH		 182 struct work_struct work;
183
184 struct device dev;
185
1da177e4
LT		 186 struct hci_dev *hdev;
187 void *l2cap_data;
188 void *sco_data;
189 void *priv;
190
191 struct hci_conn *link;
192};
193
194extern struct hci_proto *hci_proto[];
195extern struct list_head hci_dev_list;
196extern struct list_head hci_cb_list;
197extern rwlock_t hci_dev_list_lock;
198extern rwlock_t hci_cb_list_lock;
199
200/* ----- Inquiry cache ----- */
201#define INQUIRY_CACHE_AGE_MAX (HZ*30) // 30 seconds
202#define INQUIRY_ENTRY_AGE_MAX (HZ*60) // 60 seconds
203
204#define inquiry_cache_lock(c) spin_lock(&c->lock)
205#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
206#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
207#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
208
209static inline void inquiry_cache_init(struct hci_dev *hdev)
210{
211 struct inquiry_cache *c = &hdev->inq_cache;
212 spin_lock_init(&c->lock);
213 c->list = NULL;
214}
215
216static inline int inquiry_cache_empty(struct hci_dev *hdev)
217{
218 struct inquiry_cache *c = &hdev->inq_cache;
219 return (c->list == NULL);
220}
221
222static inline long inquiry_cache_age(struct hci_dev *hdev)
223{
224 struct inquiry_cache *c = &hdev->inq_cache;
225 return jiffies - c->timestamp;
226}
227
228static inline long inquiry_entry_age(struct inquiry_entry *e)
229{
230 return jiffies - e->timestamp;
231}
232
233struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
234void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
235
236/* ----- HCI Connections ----- */
237enum {
238 HCI_CONN_AUTH_PEND,
239 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 240 HCI_CONN_RSWITCH_PEND,
241 HCI_CONN_MODE_CHANGE_PEND,
1da177e4
LT		 242};
243
244static inline void hci_conn_hash_init(struct hci_dev *hdev)
245{
246 struct hci_conn_hash *h = &hdev->conn_hash;
247 INIT_LIST_HEAD(&h->list);
248 spin_lock_init(&h->lock);
249 h->acl_num = 0;
250 h->sco_num = 0;
251}
252
253static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
254{
255 struct hci_conn_hash *h = &hdev->conn_hash;
256 list_add(&c->list, &h->list);
257 if (c->type == ACL_LINK)
258 h->acl_num++;
259 else
260 h->sco_num++;
261}
262
263static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
264{
265 struct hci_conn_hash *h = &hdev->conn_hash;
266 list_del(&c->list);
267 if (c->type == ACL_LINK)
268 h->acl_num--;
269 else
270 h->sco_num--;
271}
272
273static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
274 __u16 handle)
275{
276 struct hci_conn_hash *h = &hdev->conn_hash;
277 struct list_head *p;
278 struct hci_conn *c;
279
280 list_for_each(p, &h->list) {
281 c = list_entry(p, struct hci_conn, list);
282 if (c->handle == handle)
283 return c;
284 }
285 return NULL;
286}
287
288static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
289 __u8 type, bdaddr_t *ba)
290{
291 struct hci_conn_hash *h = &hdev->conn_hash;
292 struct list_head *p;
293 struct hci_conn *c;
294
295 list_for_each(p, &h->list) {
296 c = list_entry(p, struct hci_conn, list);
297 if (c->type == type && !bacmp(&c->dst, ba))
298 return c;
299 }
300 return NULL;
301}
302
4c67bc74
MH		 303static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
304 __u8 type, __u16 state)
305{
306 struct hci_conn_hash *h = &hdev->conn_hash;
307 struct list_head *p;
308 struct hci_conn *c;
309
310 list_for_each(p, &h->list) {
311 c = list_entry(p, struct hci_conn, list);
312 if (c->type == type && c->state == state)
313 return c;
314 }
315 return NULL;
316}
317
318void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 319void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
320void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 321void hci_setup_sync(struct hci_conn *conn, __u16 handle);
1da177e4
LT		 322
323struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 324int hci_conn_del(struct hci_conn *conn);
325void hci_conn_hash_flush(struct hci_dev *hdev);
326void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4
LT		 327
328struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *src);
329int hci_conn_auth(struct hci_conn *conn);
330int hci_conn_encrypt(struct hci_conn *conn);
331int hci_conn_change_link_key(struct hci_conn *conn);
332int hci_conn_switch_role(struct hci_conn *conn, uint8_t role);
333
04837f64
MH		 334void hci_conn_enter_active_mode(struct hci_conn *conn);
335void hci_conn_enter_sniff_mode(struct hci_conn *conn);
1da177e4
LT		 336
337static inline void hci_conn_hold(struct hci_conn *conn)
338{
339 atomic_inc(&conn->refcnt);
04837f64 340 del_timer(&conn->disc_timer);
1da177e4
LT		 341}
342
343static inline void hci_conn_put(struct hci_conn *conn)
344{
345 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 346 unsigned long timeo;
1da177e4 347 if (conn->type == ACL_LINK) {
04837f64 348 del_timer(&conn->idle_timer);
6ac59344
MH		 349 if (conn->state == BT_CONNECTED) {
350 timeo = msecs_to_jiffies(HCI_DISCONN_TIMEOUT);
351 if (!conn->out)
769be974 352 timeo *= 5;
6ac59344
MH		 353 } else
354 timeo = msecs_to_jiffies(10);
1da177e4 355 } else
04837f64
MH		 356 timeo = msecs_to_jiffies(10);
357 mod_timer(&conn->disc_timer, jiffies + timeo);
1da177e4
LT		 358 }
359}
360
361/* ----- HCI tasks ----- */
362static inline void hci_sched_cmd(struct hci_dev *hdev)
363{
364 tasklet_schedule(&hdev->cmd_task);
365}
366
367static inline void hci_sched_rx(struct hci_dev *hdev)
368{
369 tasklet_schedule(&hdev->rx_task);
370}
371
372static inline void hci_sched_tx(struct hci_dev *hdev)
373{
374 tasklet_schedule(&hdev->tx_task);
375}
376
377/* ----- HCI Devices ----- */
378static inline void __hci_dev_put(struct hci_dev *d)
379{
380 if (atomic_dec_and_test(&d->refcnt))
381 d->destruct(d);
382}
383
384static inline void hci_dev_put(struct hci_dev *d)
385{
386 __hci_dev_put(d);
387 module_put(d->owner);
388}
389
390static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
391{
392 atomic_inc(&d->refcnt);
393 return d;
394}
395
396static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
397{
398 if (try_module_get(d->owner))
399 return __hci_dev_hold(d);
400 return NULL;
401}
402
403#define hci_dev_lock(d) spin_lock(&d->lock)
404#define hci_dev_unlock(d) spin_unlock(&d->lock)
405#define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
406#define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
407
408struct hci_dev *hci_dev_get(int index);
409struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
410
411struct hci_dev *hci_alloc_dev(void);
412void hci_free_dev(struct hci_dev *hdev);
413int hci_register_dev(struct hci_dev *hdev);
414int hci_unregister_dev(struct hci_dev *hdev);
415int hci_suspend_dev(struct hci_dev *hdev);
416int hci_resume_dev(struct hci_dev *hdev);
417int hci_dev_open(__u16 dev);
418int hci_dev_close(__u16 dev);
419int hci_dev_reset(__u16 dev);
420int hci_dev_reset_stat(__u16 dev);
421int hci_dev_cmd(unsigned int cmd, void __user *arg);
422int hci_get_dev_list(void __user *arg);
423int hci_get_dev_info(void __user *arg);
424int hci_get_conn_list(void __user *arg);
425int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 426int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 427int hci_inquiry(void __user *arg);
428
429void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
430
431/* Receive frame from HCI drivers */
432static inline int hci_recv_frame(struct sk_buff *skb)
433{
434 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
435 if (!hdev || (!test_bit(HCI_UP, &hdev->flags)
436 && !test_bit(HCI_INIT, &hdev->flags))) {
437 kfree_skb(skb);
438 return -ENXIO;
439 }
440
441 /* Incomming skb */
442 bt_cb(skb)->incoming = 1;
443
444 /* Time stamp */
a61bbcf2 445 __net_timestamp(skb);
1da177e4
LT		 446
447 /* Queue frame for rx task */
448 skb_queue_tail(&hdev->rx_q, skb);
449 hci_sched_rx(hdev);
450 return 0;
451}
452
ef222013
MH		 453int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
454
1da177e4
LT		 455int hci_register_sysfs(struct hci_dev *hdev);
456void hci_unregister_sysfs(struct hci_dev *hdev);
b219e3ac
MH		 457void hci_conn_add_sysfs(struct hci_conn *conn);
458void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 459
a91f2e39 460#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 461
462/* ----- LMP capabilities ----- */
04837f64
MH		 463#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
464#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
465#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
466#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 467#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 468#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
1da177e4
LT		 469
470/* ----- HCI protocols ----- */
471struct hci_proto {
472 char *name;
473 unsigned int id;
474 unsigned long flags;
475
476 void *priv;
477
478 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type);
479 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
480 int (*disconn_ind) (struct hci_conn *conn, __u8 reason);
481 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
482 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
483 int (*auth_cfm) (struct hci_conn *conn, __u8 status);
9719f8af 484 int (*encrypt_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT		 485};
486
487static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
488{
489 register struct hci_proto *hp;
490 int mask = 0;
491
492 hp = hci_proto[HCI_PROTO_L2CAP];
493 if (hp && hp->connect_ind)
494 mask |= hp->connect_ind(hdev, bdaddr, type);
495
496 hp = hci_proto[HCI_PROTO_SCO];
497 if (hp && hp->connect_ind)
498 mask |= hp->connect_ind(hdev, bdaddr, type);
499
500 return mask;
501}
502
503static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
504{
505 register struct hci_proto *hp;
506
507 hp = hci_proto[HCI_PROTO_L2CAP];
508 if (hp && hp->connect_cfm)
509 hp->connect_cfm(conn, status);
510
511 hp = hci_proto[HCI_PROTO_SCO];
512 if (hp && hp->connect_cfm)
513 hp->connect_cfm(conn, status);
514}
515
516static inline void hci_proto_disconn_ind(struct hci_conn *conn, __u8 reason)
517{
518 register struct hci_proto *hp;
519
520 hp = hci_proto[HCI_PROTO_L2CAP];
521 if (hp && hp->disconn_ind)
522 hp->disconn_ind(conn, reason);
523
524 hp = hci_proto[HCI_PROTO_SCO];
525 if (hp && hp->disconn_ind)
526 hp->disconn_ind(conn, reason);
527}
528
529static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
530{
531 register struct hci_proto *hp;
532
533 hp = hci_proto[HCI_PROTO_L2CAP];
534 if (hp && hp->auth_cfm)
535 hp->auth_cfm(conn, status);
536
537 hp = hci_proto[HCI_PROTO_SCO];
538 if (hp && hp->auth_cfm)
539 hp->auth_cfm(conn, status);
540}
541
9719f8af 542static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
1da177e4
LT		 543{
544 register struct hci_proto *hp;
545
546 hp = hci_proto[HCI_PROTO_L2CAP];
547 if (hp && hp->encrypt_cfm)
9719f8af 548 hp->encrypt_cfm(conn, status, encrypt);
1da177e4
LT		 549
550 hp = hci_proto[HCI_PROTO_SCO];
551 if (hp && hp->encrypt_cfm)
9719f8af 552 hp->encrypt_cfm(conn, status, encrypt);
1da177e4
LT		 553}
554
555int hci_register_proto(struct hci_proto *hproto);
556int hci_unregister_proto(struct hci_proto *hproto);
557
558/* ----- HCI callbacks ----- */
559struct hci_cb {
560 struct list_head list;
561
562 char *name;
563
564 void (*auth_cfm) (struct hci_conn *conn, __u8 status);
565 void (*encrypt_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
566 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
567 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
568};
569
570static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
571{
572 struct list_head *p;
573
574 hci_proto_auth_cfm(conn, status);
575
576 read_lock_bh(&hci_cb_list_lock);
577 list_for_each(p, &hci_cb_list) {
578 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
579 if (cb->auth_cfm)
580 cb->auth_cfm(conn, status);
581 }
582 read_unlock_bh(&hci_cb_list_lock);
583}
584
585static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
586{
587 struct list_head *p;
588
9719f8af 589 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT		 590
591 read_lock_bh(&hci_cb_list_lock);
592 list_for_each(p, &hci_cb_list) {
593 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
594 if (cb->encrypt_cfm)
595 cb->encrypt_cfm(conn, status, encrypt);
596 }
597 read_unlock_bh(&hci_cb_list_lock);
598}
599
600static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
601{
602 struct list_head *p;
603
604 read_lock_bh(&hci_cb_list_lock);
605 list_for_each(p, &hci_cb_list) {
606 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
607 if (cb->key_change_cfm)
608 cb->key_change_cfm(conn, status);
609 }
610 read_unlock_bh(&hci_cb_list_lock);
611}
612
613static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role)
614{
615 struct list_head *p;
616
617 read_lock_bh(&hci_cb_list_lock);
618 list_for_each(p, &hci_cb_list) {
619 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
620 if (cb->role_switch_cfm)
621 cb->role_switch_cfm(conn, status, role);
622 }
623 read_unlock_bh(&hci_cb_list_lock);
624}
625
626int hci_register_cb(struct hci_cb *hcb);
627int hci_unregister_cb(struct hci_cb *hcb);
628
629int hci_register_notifier(struct notifier_block *nb);
630int hci_unregister_notifier(struct notifier_block *nb);
631
a9de9248 632int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
1da177e4
LT		 633int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
634int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
635
a9de9248 636void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 637
638void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
639
640/* ----- HCI Sockets ----- */
641void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
642
643/* HCI info for socket */
644#define hci_pi(sk) ((struct hci_pinfo *) sk)
645
646struct hci_pinfo {
647 struct bt_sock bt;
648 struct hci_dev *hdev;
649 struct hci_filter filter;
650 __u32 cmsg_mask;
651};
652
653/* HCI security filter */
654#define HCI_SFLT_MAX_OGF 5
655
656struct hci_sec_filter {
657 __u32 type_mask;
658 __u32 event_mask[2];
659 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
660};
661
662/* ----- HCI requests ----- */
663#define HCI_REQ_DONE 0
664#define HCI_REQ_PEND 1
665#define HCI_REQ_CANCELED 2
666
667#define hci_req_lock(d) down(&d->req_lock)
668#define hci_req_unlock(d) up(&d->req_lock)
669
670void hci_req_complete(struct hci_dev *hdev, int result);
671
672#endif /* __HCI_CORE_H */
Linux 6.x block layer and io_uring tree(s)