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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluet...
[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 {
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
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;
132
133 struct inquiry_cache inq_cache;
134 struct hci_conn_hash conn_hash;
f0358568 135 struct bdaddr_list blacklist;
1da177e4
LT		 136
137 struct hci_dev_stats stat;
138
139 struct sk_buff_head driver_init;
140
141 void *driver_data;
142 void *core_data;
143
144 atomic_t promisc;
145
ca325f69
MH		 146 struct dentry *debugfs;
147
a91f2e39
MH		 148 struct device *parent;
149 struct device dev;
1da177e4 150
611b30f7
MH		 151 struct rfkill *rfkill;
152
1da177e4
LT		 153 struct module *owner;
154
155 int (*open)(struct hci_dev *hdev);
156 int (*close)(struct hci_dev *hdev);
157 int (*flush)(struct hci_dev *hdev);
158 int (*send)(struct sk_buff *skb);
159 void (*destruct)(struct hci_dev *hdev);
160 void (*notify)(struct hci_dev *hdev, unsigned int evt);
161 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
162};
163
164struct hci_conn {
165 struct list_head list;
166
167 atomic_t refcnt;
168 spinlock_t lock;
169
170 bdaddr_t dst;
171 __u16 handle;
172 __u16 state;
04837f64 173 __u8 mode;
1da177e4
LT		 174 __u8 type;
175 __u8 out;
4c67bc74 176 __u8 attempt;
1da177e4 177 __u8 dev_class[3];
04837f64 178 __u8 features[8];
41a96212 179 __u8 ssp_mode;
04837f64 180 __u16 interval;
a8746417 181 __u16 pkt_type;
04837f64 182 __u16 link_policy;
1da177e4 183 __u32 link_mode;
40be492f 184 __u8 auth_type;
8c1b2355 185 __u8 sec_level;
04837f64 186 __u8 power_save;
052b30b0 187 __u16 disc_timeout;
1da177e4 188 unsigned long pend;
04837f64 189
1da177e4 190 unsigned int sent;
04837f64 191
1da177e4
LT		 192 struct sk_buff_head data_q;
193
04837f64
MH		 194 struct timer_list disc_timer;
195 struct timer_list idle_timer;
196
f3784d83
RQ		 197 struct work_struct work_add;
198 struct work_struct work_del;
b219e3ac
MH		 199
200 struct device dev;
9eba32b8 201 atomic_t devref;
b219e3ac 202
1da177e4
LT		 203 struct hci_dev *hdev;
204 void *l2cap_data;
205 void *sco_data;
206 void *priv;
207
208 struct hci_conn *link;
209};
210
211extern struct hci_proto *hci_proto[];
212extern struct list_head hci_dev_list;
213extern struct list_head hci_cb_list;
214extern rwlock_t hci_dev_list_lock;
215extern rwlock_t hci_cb_list_lock;
216
217/* ----- Inquiry cache ----- */
218#define INQUIRY_CACHE_AGE_MAX (HZ*30) // 30 seconds
219#define INQUIRY_ENTRY_AGE_MAX (HZ*60) // 60 seconds
220
221#define inquiry_cache_lock(c) spin_lock(&c->lock)
222#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
223#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
224#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
225
226static inline void inquiry_cache_init(struct hci_dev *hdev)
227{
228 struct inquiry_cache *c = &hdev->inq_cache;
229 spin_lock_init(&c->lock);
230 c->list = NULL;
231}
232
233static inline int inquiry_cache_empty(struct hci_dev *hdev)
234{
235 struct inquiry_cache *c = &hdev->inq_cache;
236 return (c->list == NULL);
237}
238
239static inline long inquiry_cache_age(struct hci_dev *hdev)
240{
241 struct inquiry_cache *c = &hdev->inq_cache;
242 return jiffies - c->timestamp;
243}
244
245static inline long inquiry_entry_age(struct inquiry_entry *e)
246{
247 return jiffies - e->timestamp;
248}
249
250struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
251void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
252
253/* ----- HCI Connections ----- */
254enum {
255 HCI_CONN_AUTH_PEND,
256 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 257 HCI_CONN_RSWITCH_PEND,
258 HCI_CONN_MODE_CHANGE_PEND,
1da177e4
LT		 259};
260
261static inline void hci_conn_hash_init(struct hci_dev *hdev)
262{
263 struct hci_conn_hash *h = &hdev->conn_hash;
264 INIT_LIST_HEAD(&h->list);
265 spin_lock_init(&h->lock);
266 h->acl_num = 0;
267 h->sco_num = 0;
268}
269
270static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
271{
272 struct hci_conn_hash *h = &hdev->conn_hash;
273 list_add(&c->list, &h->list);
274 if (c->type == ACL_LINK)
275 h->acl_num++;
276 else
277 h->sco_num++;
278}
279
280static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
281{
282 struct hci_conn_hash *h = &hdev->conn_hash;
283 list_del(&c->list);
284 if (c->type == ACL_LINK)
285 h->acl_num--;
286 else
287 h->sco_num--;
288}
289
290static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
291 __u16 handle)
292{
293 struct hci_conn_hash *h = &hdev->conn_hash;
294 struct list_head *p;
295 struct hci_conn *c;
296
297 list_for_each(p, &h->list) {
298 c = list_entry(p, struct hci_conn, list);
299 if (c->handle == handle)
300 return c;
301 }
302 return NULL;
303}
304
305static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
306 __u8 type, bdaddr_t *ba)
307{
308 struct hci_conn_hash *h = &hdev->conn_hash;
309 struct list_head *p;
310 struct hci_conn *c;
311
312 list_for_each(p, &h->list) {
313 c = list_entry(p, struct hci_conn, list);
314 if (c->type == type && !bacmp(&c->dst, ba))
315 return c;
316 }
317 return NULL;
318}
319
4c67bc74
MH		 320static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
321 __u8 type, __u16 state)
322{
323 struct hci_conn_hash *h = &hdev->conn_hash;
324 struct list_head *p;
325 struct hci_conn *c;
326
327 list_for_each(p, &h->list) {
328 c = list_entry(p, struct hci_conn, list);
329 if (c->type == type && c->state == state)
330 return c;
331 }
332 return NULL;
333}
334
335void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 336void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
337void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 338void hci_setup_sync(struct hci_conn *conn, __u16 handle);
1da177e4
LT		 339
340struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 341int hci_conn_del(struct hci_conn *conn);
342void hci_conn_hash_flush(struct hci_dev *hdev);
343void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 344
8c1b2355 345struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type);
e7c29cb1 346int hci_conn_check_link_mode(struct hci_conn *conn);
0684e5f9 347int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 348int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 349int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 350
04837f64
MH		 351void hci_conn_enter_active_mode(struct hci_conn *conn);
352void hci_conn_enter_sniff_mode(struct hci_conn *conn);
1da177e4 353
9eba32b8
MH		 354void hci_conn_hold_device(struct hci_conn *conn);
355void hci_conn_put_device(struct hci_conn *conn);
356
1da177e4
LT		 357static inline void hci_conn_hold(struct hci_conn *conn)
358{
359 atomic_inc(&conn->refcnt);
04837f64 360 del_timer(&conn->disc_timer);
1da177e4
LT		 361}
362
363static inline void hci_conn_put(struct hci_conn *conn)
364{
365 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 366 unsigned long timeo;
1da177e4 367 if (conn->type == ACL_LINK) {
04837f64 368 del_timer(&conn->idle_timer);
6ac59344 369 if (conn->state == BT_CONNECTED) {
052b30b0 370 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 371 if (!conn->out)
052b30b0 372 timeo *= 2;
6ac59344
MH		 373 } else
374 timeo = msecs_to_jiffies(10);
1da177e4 375 } else
04837f64
MH		 376 timeo = msecs_to_jiffies(10);
377 mod_timer(&conn->disc_timer, jiffies + timeo);
1da177e4
LT		 378 }
379}
380
1da177e4
LT		 381/* ----- HCI Devices ----- */
382static inline void __hci_dev_put(struct hci_dev *d)
383{
384 if (atomic_dec_and_test(&d->refcnt))
385 d->destruct(d);
386}
387
388static inline void hci_dev_put(struct hci_dev *d)
04fafe4e 389{
1da177e4
LT		 390 __hci_dev_put(d);
391 module_put(d->owner);
392}
393
394static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
395{
396 atomic_inc(&d->refcnt);
397 return d;
398}
399
400static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
401{
402 if (try_module_get(d->owner))
403 return __hci_dev_hold(d);
404 return NULL;
405}
406
407#define hci_dev_lock(d) spin_lock(&d->lock)
408#define hci_dev_unlock(d) spin_unlock(&d->lock)
409#define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
410#define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
411
412struct hci_dev *hci_dev_get(int index);
413struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
414
415struct hci_dev *hci_alloc_dev(void);
416void hci_free_dev(struct hci_dev *hdev);
417int hci_register_dev(struct hci_dev *hdev);
418int hci_unregister_dev(struct hci_dev *hdev);
419int hci_suspend_dev(struct hci_dev *hdev);
420int hci_resume_dev(struct hci_dev *hdev);
421int hci_dev_open(__u16 dev);
422int hci_dev_close(__u16 dev);
423int hci_dev_reset(__u16 dev);
424int hci_dev_reset_stat(__u16 dev);
425int hci_dev_cmd(unsigned int cmd, void __user *arg);
426int hci_get_dev_list(void __user *arg);
427int hci_get_dev_info(void __user *arg);
428int hci_get_conn_list(void __user *arg);
429int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 430int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 431int hci_inquiry(void __user *arg);
432
f0358568
JH		 433struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
434int hci_blacklist_clear(struct hci_dev *hdev);
435
1da177e4
LT		 436void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
437
76bca880 438int hci_recv_frame(struct sk_buff *skb);
ef222013 439int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 440int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 441
1da177e4
LT		 442int hci_register_sysfs(struct hci_dev *hdev);
443void hci_unregister_sysfs(struct hci_dev *hdev);
a67e899c 444void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 445void hci_conn_add_sysfs(struct hci_conn *conn);
446void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 447
a91f2e39 448#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 449
450/* ----- LMP capabilities ----- */
04837f64
MH		 451#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
452#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
453#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
454#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 455#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 456#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
1da177e4
LT		 457
458/* ----- HCI protocols ----- */
459struct hci_proto {
8c1b2355 460 char *name;
1da177e4
LT		 461 unsigned int id;
462 unsigned long flags;
463
464 void *priv;
465
8c1b2355 466 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type);
1da177e4 467 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
2950f21a
MH		 468 int (*disconn_ind) (struct hci_conn *conn);
469 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
1da177e4
LT		 470 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
471 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
8c1b2355 472 int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT		 473};
474
475static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
476{
477 register struct hci_proto *hp;
478 int mask = 0;
8c1b2355 479
1da177e4
LT		 480 hp = hci_proto[HCI_PROTO_L2CAP];
481 if (hp && hp->connect_ind)
482 mask |= hp->connect_ind(hdev, bdaddr, type);
483
484 hp = hci_proto[HCI_PROTO_SCO];
485 if (hp && hp->connect_ind)
486 mask |= hp->connect_ind(hdev, bdaddr, type);
487
488 return mask;
489}
490
491static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
492{
493 register struct hci_proto *hp;
494
495 hp = hci_proto[HCI_PROTO_L2CAP];
496 if (hp && hp->connect_cfm)
497 hp->connect_cfm(conn, status);
498
499 hp = hci_proto[HCI_PROTO_SCO];
500 if (hp && hp->connect_cfm)
501 hp->connect_cfm(conn, status);
502}
503
2950f21a 504static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4
LT		 505{
506 register struct hci_proto *hp;
2950f21a 507 int reason = 0x13;
1da177e4
LT		 508
509 hp = hci_proto[HCI_PROTO_L2CAP];
510 if (hp && hp->disconn_ind)
2950f21a 511 reason = hp->disconn_ind(conn);
1da177e4
LT		 512
513 hp = hci_proto[HCI_PROTO_SCO];
514 if (hp && hp->disconn_ind)
2950f21a
MH		 515 reason = hp->disconn_ind(conn);
516
517 return reason;
518}
519
520static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
521{
522 register struct hci_proto *hp;
523
524 hp = hci_proto[HCI_PROTO_L2CAP];
525 if (hp && hp->disconn_cfm)
526 hp->disconn_cfm(conn, reason);
527
528 hp = hci_proto[HCI_PROTO_SCO];
529 if (hp && hp->disconn_cfm)
530 hp->disconn_cfm(conn, reason);
1da177e4
LT		 531}
532
533static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
534{
535 register struct hci_proto *hp;
8c1b2355
MH		 536 __u8 encrypt;
537
538 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
539 return;
540
541 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
1da177e4
LT		 542
543 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 544 if (hp && hp->security_cfm)
545 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 546
547 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 548 if (hp && hp->security_cfm)
549 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 550}
551
9719f8af 552static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
1da177e4
LT		 553{
554 register struct hci_proto *hp;
555
556 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH		 557 if (hp && hp->security_cfm)
558 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 559
560 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH		 561 if (hp && hp->security_cfm)
562 hp->security_cfm(conn, status, encrypt);
1da177e4
LT		 563}
564
565int hci_register_proto(struct hci_proto *hproto);
566int hci_unregister_proto(struct hci_proto *hproto);
567
568/* ----- HCI callbacks ----- */
569struct hci_cb {
570 struct list_head list;
571
572 char *name;
573
8c1b2355 574 void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT		 575 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
576 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
577};
578
579static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
580{
581 struct list_head *p;
8c1b2355 582 __u8 encrypt;
1da177e4
LT		 583
584 hci_proto_auth_cfm(conn, status);
585
8c1b2355
MH		 586 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
587 return;
588
589 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
590
1da177e4
LT		 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);
8c1b2355
MH		 594 if (cb->security_cfm)
595 cb->security_cfm(conn, status, encrypt);
1da177e4
LT		 596 }
597 read_unlock_bh(&hci_cb_list_lock);
598}
599
600static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
601{
602 struct list_head *p;
603
435fef20
MH		 604 if (conn->sec_level == BT_SECURITY_SDP)
605 conn->sec_level = BT_SECURITY_LOW;
606
9719f8af 607 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT		 608
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_key_change_cfm(struct hci_conn *conn, __u8 status)
619{
620 struct list_head *p;
621
622 read_lock_bh(&hci_cb_list_lock);
623 list_for_each(p, &hci_cb_list) {
624 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
625 if (cb->key_change_cfm)
626 cb->key_change_cfm(conn, status);
627 }
628 read_unlock_bh(&hci_cb_list_lock);
629}
630
631static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role)
632{
633 struct list_head *p;
634
635 read_lock_bh(&hci_cb_list_lock);
636 list_for_each(p, &hci_cb_list) {
637 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
638 if (cb->role_switch_cfm)
639 cb->role_switch_cfm(conn, status, role);
640 }
641 read_unlock_bh(&hci_cb_list_lock);
642}
643
644int hci_register_cb(struct hci_cb *hcb);
645int hci_unregister_cb(struct hci_cb *hcb);
646
647int hci_register_notifier(struct notifier_block *nb);
648int hci_unregister_notifier(struct notifier_block *nb);
649
a9de9248 650int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
9a9c6a34 651void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
0d861d8b 652void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 653
a9de9248 654void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 655
656void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
657
658/* ----- HCI Sockets ----- */
659void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
660
661/* HCI info for socket */
662#define hci_pi(sk) ((struct hci_pinfo *) sk)
663
664struct hci_pinfo {
665 struct bt_sock bt;
666 struct hci_dev *hdev;
667 struct hci_filter filter;
668 __u32 cmsg_mask;
669};
670
671/* HCI security filter */
672#define HCI_SFLT_MAX_OGF 5
673
674struct hci_sec_filter {
675 __u32 type_mask;
676 __u32 event_mask[2];
677 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
678};
679
680/* ----- HCI requests ----- */
681#define HCI_REQ_DONE 0
682#define HCI_REQ_PEND 1
683#define HCI_REQ_CANCELED 2
684
a6a67efd
TG		 685#define hci_req_lock(d) mutex_lock(&d->req_lock)
686#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4
LT		 687
688void hci_req_complete(struct hci_dev *hdev, int result);
689
690#endif /* __HCI_CORE_H */
kernel source for telekom puls (alcatel/mediatek)