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