Bluetooth: Add disconnect managment command
[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};
2aeb9a1a
JH
69
70struct bt_uuid {
71 struct list_head list;
72 u8 uuid[16];
1aff6f09 73 u8 svc_hint;
2aeb9a1a
JH
74};
75
55ed8ca1
JH
76struct link_key {
77 struct list_head list;
78 bdaddr_t bdaddr;
79 u8 type;
80 u8 val[16];
81 u8 pin_len;
82};
83
cd4c5391 84#define NUM_REASSEMBLY 4
1da177e4
LT
85struct hci_dev {
86 struct list_head list;
87 spinlock_t lock;
88 atomic_t refcnt;
89
90 char name[8];
91 unsigned long flags;
92 __u16 id;
c13854ce 93 __u8 bus;
943da25d 94 __u8 dev_type;
1da177e4 95 bdaddr_t bdaddr;
a9de9248
MH
96 __u8 dev_name[248];
97 __u8 dev_class[3];
1aff6f09
JH
98 __u8 major_class;
99 __u8 minor_class;
1da177e4 100 __u8 features[8];
a9de9248 101 __u8 commands[64];
333140b5 102 __u8 ssp_mode;
1143e5a6
MH
103 __u8 hci_ver;
104 __u16 hci_rev;
d5859e22 105 __u8 lmp_ver;
1143e5a6 106 __u16 manufacturer;
d5859e22 107 __le16 lmp_subver;
1da177e4
LT
108 __u16 voice_setting;
109
110 __u16 pkt_type;
5b7f9909 111 __u16 esco_type;
1da177e4
LT
112 __u16 link_policy;
113 __u16 link_mode;
114
04837f64
MH
115 __u32 idle_timeout;
116 __u16 sniff_min_interval;
117 __u16 sniff_max_interval;
118
1da177e4
LT
119 unsigned long quirks;
120
121 atomic_t cmd_cnt;
122 unsigned int acl_cnt;
123 unsigned int sco_cnt;
124
125 unsigned int acl_mtu;
126 unsigned int sco_mtu;
127 unsigned int acl_pkts;
128 unsigned int sco_pkts;
129
130 unsigned long cmd_last_tx;
131 unsigned long acl_last_tx;
132 unsigned long sco_last_tx;
133
f48fd9c8
MH
134 struct workqueue_struct *workqueue;
135
ab81cbf9
JH
136 struct work_struct power_on;
137 struct work_struct power_off;
138 struct timer_list off_timer;
139
1da177e4
LT
140 struct tasklet_struct cmd_task;
141 struct tasklet_struct rx_task;
142 struct tasklet_struct tx_task;
143
144 struct sk_buff_head rx_q;
145 struct sk_buff_head raw_q;
146 struct sk_buff_head cmd_q;
147
148 struct sk_buff *sent_cmd;
cd4c5391 149 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 150
a6a67efd 151 struct mutex req_lock;
1da177e4
LT
152 wait_queue_head_t req_wait_q;
153 __u32 req_status;
154 __u32 req_result;
a5040efa
JH
155
156 __u16 init_last_cmd;
1da177e4
LT
157
158 struct inquiry_cache inq_cache;
159 struct hci_conn_hash conn_hash;
ea4bd8ba 160 struct list_head blacklist;
1da177e4 161
2aeb9a1a
JH
162 struct list_head uuids;
163
55ed8ca1
JH
164 struct list_head link_keys;
165
1da177e4
LT
166 struct hci_dev_stats stat;
167
168 struct sk_buff_head driver_init;
169
170 void *driver_data;
171 void *core_data;
172
70f23020 173 atomic_t promisc;
1da177e4 174
ca325f69
MH
175 struct dentry *debugfs;
176
a91f2e39
MH
177 struct device *parent;
178 struct device dev;
1da177e4 179
611b30f7
MH
180 struct rfkill *rfkill;
181
70f23020 182 struct module *owner;
1da177e4
LT
183
184 int (*open)(struct hci_dev *hdev);
185 int (*close)(struct hci_dev *hdev);
186 int (*flush)(struct hci_dev *hdev);
187 int (*send)(struct sk_buff *skb);
188 void (*destruct)(struct hci_dev *hdev);
189 void (*notify)(struct hci_dev *hdev, unsigned int evt);
190 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
191};
192
193struct hci_conn {
194 struct list_head list;
195
196 atomic_t refcnt;
197 spinlock_t lock;
198
199 bdaddr_t dst;
200 __u16 handle;
201 __u16 state;
04837f64 202 __u8 mode;
1da177e4
LT
203 __u8 type;
204 __u8 out;
4c67bc74 205 __u8 attempt;
1da177e4 206 __u8 dev_class[3];
04837f64 207 __u8 features[8];
41a96212 208 __u8 ssp_mode;
04837f64 209 __u16 interval;
a8746417 210 __u16 pkt_type;
04837f64 211 __u16 link_policy;
1da177e4 212 __u32 link_mode;
40be492f 213 __u8 auth_type;
8c1b2355 214 __u8 sec_level;
765c2a96 215 __u8 pending_sec_level;
04837f64 216 __u8 power_save;
052b30b0 217 __u16 disc_timeout;
1da177e4 218 unsigned long pend;
04837f64 219
03b555e1
JH
220 __u8 remote_cap;
221 __u8 remote_oob;
222 __u8 remote_auth;
223
1da177e4 224 unsigned int sent;
04837f64 225
1da177e4
LT
226 struct sk_buff_head data_q;
227
04837f64
MH
228 struct timer_list disc_timer;
229 struct timer_list idle_timer;
230
f3784d83
RQ
231 struct work_struct work_add;
232 struct work_struct work_del;
b219e3ac
MH
233
234 struct device dev;
9eba32b8 235 atomic_t devref;
b219e3ac 236
1da177e4
LT
237 struct hci_dev *hdev;
238 void *l2cap_data;
239 void *sco_data;
240 void *priv;
241
242 struct hci_conn *link;
243};
244
245extern struct hci_proto *hci_proto[];
246extern struct list_head hci_dev_list;
247extern struct list_head hci_cb_list;
248extern rwlock_t hci_dev_list_lock;
249extern rwlock_t hci_cb_list_lock;
250
251/* ----- Inquiry cache ----- */
70f23020
AE
252#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
253#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4
LT
254
255#define inquiry_cache_lock(c) spin_lock(&c->lock)
256#define inquiry_cache_unlock(c) spin_unlock(&c->lock)
257#define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock)
258#define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock)
259
260static inline void inquiry_cache_init(struct hci_dev *hdev)
261{
262 struct inquiry_cache *c = &hdev->inq_cache;
263 spin_lock_init(&c->lock);
264 c->list = NULL;
265}
266
267static inline int inquiry_cache_empty(struct hci_dev *hdev)
268{
269 struct inquiry_cache *c = &hdev->inq_cache;
a02cec21 270 return c->list == NULL;
1da177e4
LT
271}
272
273static inline long inquiry_cache_age(struct hci_dev *hdev)
274{
275 struct inquiry_cache *c = &hdev->inq_cache;
276 return jiffies - c->timestamp;
277}
278
279static inline long inquiry_entry_age(struct inquiry_entry *e)
280{
281 return jiffies - e->timestamp;
282}
283
284struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
285void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
286
287/* ----- HCI Connections ----- */
288enum {
289 HCI_CONN_AUTH_PEND,
290 HCI_CONN_ENCRYPT_PEND,
04837f64
MH
291 HCI_CONN_RSWITCH_PEND,
292 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 293 HCI_CONN_SCO_SETUP_PEND,
1da177e4
LT
294};
295
296static inline void hci_conn_hash_init(struct hci_dev *hdev)
297{
298 struct hci_conn_hash *h = &hdev->conn_hash;
299 INIT_LIST_HEAD(&h->list);
300 spin_lock_init(&h->lock);
301 h->acl_num = 0;
302 h->sco_num = 0;
303}
304
305static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
306{
307 struct hci_conn_hash *h = &hdev->conn_hash;
308 list_add(&c->list, &h->list);
309 if (c->type == ACL_LINK)
310 h->acl_num++;
311 else
312 h->sco_num++;
313}
314
315static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
316{
317 struct hci_conn_hash *h = &hdev->conn_hash;
318 list_del(&c->list);
319 if (c->type == ACL_LINK)
320 h->acl_num--;
321 else
322 h->sco_num--;
323}
324
325static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
326 __u16 handle)
327{
328 struct hci_conn_hash *h = &hdev->conn_hash;
329 struct list_head *p;
330 struct hci_conn *c;
331
332 list_for_each(p, &h->list) {
333 c = list_entry(p, struct hci_conn, list);
334 if (c->handle == handle)
335 return c;
336 }
337 return NULL;
338}
339
340static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
341 __u8 type, bdaddr_t *ba)
342{
343 struct hci_conn_hash *h = &hdev->conn_hash;
344 struct list_head *p;
345 struct hci_conn *c;
346
347 list_for_each(p, &h->list) {
348 c = list_entry(p, struct hci_conn, list);
349 if (c->type == type && !bacmp(&c->dst, ba))
350 return c;
351 }
352 return NULL;
353}
354
4c67bc74
MH
355static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
356 __u8 type, __u16 state)
357{
358 struct hci_conn_hash *h = &hdev->conn_hash;
359 struct list_head *p;
360 struct hci_conn *c;
361
362 list_for_each(p, &h->list) {
363 c = list_entry(p, struct hci_conn, list);
364 if (c->type == type && c->state == state)
365 return c;
366 }
367 return NULL;
368}
369
370void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT
371void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
372void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 373void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 374void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT
375
376struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH
377int hci_conn_del(struct hci_conn *conn);
378void hci_conn_hash_flush(struct hci_dev *hdev);
379void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 380
8c1b2355 381struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type);
e7c29cb1 382int hci_conn_check_link_mode(struct hci_conn *conn);
0684e5f9 383int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 384int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 385int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 386
04837f64
MH
387void hci_conn_enter_active_mode(struct hci_conn *conn);
388void hci_conn_enter_sniff_mode(struct hci_conn *conn);
1da177e4 389
9eba32b8
MH
390void hci_conn_hold_device(struct hci_conn *conn);
391void hci_conn_put_device(struct hci_conn *conn);
392
1da177e4
LT
393static inline void hci_conn_hold(struct hci_conn *conn)
394{
395 atomic_inc(&conn->refcnt);
04837f64 396 del_timer(&conn->disc_timer);
1da177e4
LT
397}
398
399static inline void hci_conn_put(struct hci_conn *conn)
400{
401 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 402 unsigned long timeo;
1da177e4 403 if (conn->type == ACL_LINK) {
04837f64 404 del_timer(&conn->idle_timer);
6ac59344 405 if (conn->state == BT_CONNECTED) {
052b30b0 406 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 407 if (!conn->out)
052b30b0 408 timeo *= 2;
6ac59344
MH
409 } else
410 timeo = msecs_to_jiffies(10);
1da177e4 411 } else
04837f64
MH
412 timeo = msecs_to_jiffies(10);
413 mod_timer(&conn->disc_timer, jiffies + timeo);
1da177e4
LT
414 }
415}
416
1da177e4
LT
417/* ----- HCI Devices ----- */
418static inline void __hci_dev_put(struct hci_dev *d)
419{
420 if (atomic_dec_and_test(&d->refcnt))
421 d->destruct(d);
422}
423
424static inline void hci_dev_put(struct hci_dev *d)
04fafe4e 425{
1da177e4
LT
426 __hci_dev_put(d);
427 module_put(d->owner);
428}
429
430static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
431{
432 atomic_inc(&d->refcnt);
433 return d;
434}
435
436static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
437{
438 if (try_module_get(d->owner))
439 return __hci_dev_hold(d);
440 return NULL;
441}
442
443#define hci_dev_lock(d) spin_lock(&d->lock)
444#define hci_dev_unlock(d) spin_unlock(&d->lock)
445#define hci_dev_lock_bh(d) spin_lock_bh(&d->lock)
446#define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock)
447
448struct hci_dev *hci_dev_get(int index);
449struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
450
451struct hci_dev *hci_alloc_dev(void);
452void hci_free_dev(struct hci_dev *hdev);
453int hci_register_dev(struct hci_dev *hdev);
454int hci_unregister_dev(struct hci_dev *hdev);
455int hci_suspend_dev(struct hci_dev *hdev);
456int hci_resume_dev(struct hci_dev *hdev);
457int hci_dev_open(__u16 dev);
458int hci_dev_close(__u16 dev);
459int hci_dev_reset(__u16 dev);
460int hci_dev_reset_stat(__u16 dev);
461int hci_dev_cmd(unsigned int cmd, void __user *arg);
462int hci_get_dev_list(void __user *arg);
463int hci_get_dev_info(void __user *arg);
464int hci_get_conn_list(void __user *arg);
465int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 466int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT
467int hci_inquiry(void __user *arg);
468
f0358568
JH
469struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
470int hci_blacklist_clear(struct hci_dev *hdev);
471
2aeb9a1a
JH
472int hci_uuids_clear(struct hci_dev *hdev);
473
55ed8ca1
JH
474int hci_link_keys_clear(struct hci_dev *hdev);
475struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
476int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
477 u8 *key, u8 type, u8 pin_len);
478int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
479
ab81cbf9
JH
480void hci_del_off_timer(struct hci_dev *hdev);
481
1da177e4
LT
482void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
483
76bca880 484int hci_recv_frame(struct sk_buff *skb);
ef222013 485int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 486int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 487
1da177e4
LT
488int hci_register_sysfs(struct hci_dev *hdev);
489void hci_unregister_sysfs(struct hci_dev *hdev);
a67e899c 490void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH
491void hci_conn_add_sysfs(struct hci_conn *conn);
492void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 493
a91f2e39 494#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT
495
496/* ----- LMP capabilities ----- */
04837f64
MH
497#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
498#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
499#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
500#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 501#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 502#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 503#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
1da177e4
LT
504
505/* ----- HCI protocols ----- */
506struct hci_proto {
8c1b2355 507 char *name;
1da177e4
LT
508 unsigned int id;
509 unsigned long flags;
510
511 void *priv;
512
8c1b2355 513 int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type);
1da177e4 514 int (*connect_cfm) (struct hci_conn *conn, __u8 status);
2950f21a
MH
515 int (*disconn_ind) (struct hci_conn *conn);
516 int (*disconn_cfm) (struct hci_conn *conn, __u8 reason);
1da177e4
LT
517 int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
518 int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb);
8c1b2355 519 int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT
520};
521
522static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
523{
524 register struct hci_proto *hp;
525 int mask = 0;
8c1b2355 526
1da177e4
LT
527 hp = hci_proto[HCI_PROTO_L2CAP];
528 if (hp && hp->connect_ind)
529 mask |= hp->connect_ind(hdev, bdaddr, type);
530
531 hp = hci_proto[HCI_PROTO_SCO];
532 if (hp && hp->connect_ind)
533 mask |= hp->connect_ind(hdev, bdaddr, type);
534
535 return mask;
536}
537
538static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
539{
540 register struct hci_proto *hp;
541
542 hp = hci_proto[HCI_PROTO_L2CAP];
543 if (hp && hp->connect_cfm)
544 hp->connect_cfm(conn, status);
545
546 hp = hci_proto[HCI_PROTO_SCO];
547 if (hp && hp->connect_cfm)
548 hp->connect_cfm(conn, status);
549}
550
2950f21a 551static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4
LT
552{
553 register struct hci_proto *hp;
2950f21a 554 int reason = 0x13;
1da177e4
LT
555
556 hp = hci_proto[HCI_PROTO_L2CAP];
557 if (hp && hp->disconn_ind)
2950f21a 558 reason = hp->disconn_ind(conn);
1da177e4
LT
559
560 hp = hci_proto[HCI_PROTO_SCO];
561 if (hp && hp->disconn_ind)
2950f21a
MH
562 reason = hp->disconn_ind(conn);
563
564 return reason;
565}
566
567static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
568{
569 register struct hci_proto *hp;
570
571 hp = hci_proto[HCI_PROTO_L2CAP];
572 if (hp && hp->disconn_cfm)
573 hp->disconn_cfm(conn, reason);
574
575 hp = hci_proto[HCI_PROTO_SCO];
576 if (hp && hp->disconn_cfm)
577 hp->disconn_cfm(conn, reason);
1da177e4
LT
578}
579
580static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
581{
582 register struct hci_proto *hp;
8c1b2355
MH
583 __u8 encrypt;
584
585 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
586 return;
587
588 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
1da177e4
LT
589
590 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH
591 if (hp && hp->security_cfm)
592 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
593
594 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH
595 if (hp && hp->security_cfm)
596 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
597}
598
9719f8af 599static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
1da177e4
LT
600{
601 register struct hci_proto *hp;
602
603 hp = hci_proto[HCI_PROTO_L2CAP];
8c1b2355
MH
604 if (hp && hp->security_cfm)
605 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
606
607 hp = hci_proto[HCI_PROTO_SCO];
8c1b2355
MH
608 if (hp && hp->security_cfm)
609 hp->security_cfm(conn, status, encrypt);
1da177e4
LT
610}
611
612int hci_register_proto(struct hci_proto *hproto);
613int hci_unregister_proto(struct hci_proto *hproto);
614
615/* ----- HCI callbacks ----- */
616struct hci_cb {
617 struct list_head list;
618
619 char *name;
620
8c1b2355 621 void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt);
1da177e4
LT
622 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
623 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
624};
625
626static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
627{
628 struct list_head *p;
8c1b2355 629 __u8 encrypt;
1da177e4
LT
630
631 hci_proto_auth_cfm(conn, status);
632
8c1b2355
MH
633 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
634 return;
635
636 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
637
1da177e4
LT
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);
8c1b2355
MH
641 if (cb->security_cfm)
642 cb->security_cfm(conn, status, encrypt);
1da177e4
LT
643 }
644 read_unlock_bh(&hci_cb_list_lock);
645}
646
647static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt)
648{
649 struct list_head *p;
650
435fef20
MH
651 if (conn->sec_level == BT_SECURITY_SDP)
652 conn->sec_level = BT_SECURITY_LOW;
653
9719f8af 654 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4
LT
655
656 read_lock_bh(&hci_cb_list_lock);
657 list_for_each(p, &hci_cb_list) {
658 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH
659 if (cb->security_cfm)
660 cb->security_cfm(conn, status, encrypt);
1da177e4
LT
661 }
662 read_unlock_bh(&hci_cb_list_lock);
663}
664
665static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
666{
667 struct list_head *p;
668
669 read_lock_bh(&hci_cb_list_lock);
670 list_for_each(p, &hci_cb_list) {
671 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
672 if (cb->key_change_cfm)
673 cb->key_change_cfm(conn, status);
674 }
675 read_unlock_bh(&hci_cb_list_lock);
676}
677
678static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role)
679{
680 struct list_head *p;
681
682 read_lock_bh(&hci_cb_list_lock);
683 list_for_each(p, &hci_cb_list) {
684 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
685 if (cb->role_switch_cfm)
686 cb->role_switch_cfm(conn, status, role);
687 }
688 read_unlock_bh(&hci_cb_list_lock);
689}
690
691int hci_register_cb(struct hci_cb *hcb);
692int hci_unregister_cb(struct hci_cb *hcb);
693
694int hci_register_notifier(struct notifier_block *nb);
695int hci_unregister_notifier(struct notifier_block *nb);
696
a9de9248 697int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
9a9c6a34 698void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags);
0d861d8b 699void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 700
a9de9248 701void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT
702
703void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
704
705/* ----- HCI Sockets ----- */
eec8d2bc
JH
706void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
707 struct sock *skip_sk);
1da177e4 708
0381101f
JH
709/* Management interface */
710int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
c71e97bf
JH
711int mgmt_index_added(u16 index);
712int mgmt_index_removed(u16 index);
5add6af8 713int mgmt_powered(u16 index, u8 powered);
73f22f62 714int mgmt_discoverable(u16 index, u8 discoverable);
9fbcbb45 715int mgmt_connectable(u16 index, u8 connectable);
55ed8ca1 716int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type);
f7520543
JH
717int mgmt_connected(u16 index, bdaddr_t *bdaddr);
718int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
8962ee74 719int mgmt_disconnect_failed(u16 index);
0381101f 720
1da177e4
LT
721/* HCI info for socket */
722#define hci_pi(sk) ((struct hci_pinfo *) sk)
723
724struct hci_pinfo {
725 struct bt_sock bt;
726 struct hci_dev *hdev;
727 struct hci_filter filter;
728 __u32 cmsg_mask;
c02178d2 729 unsigned short channel;
1da177e4
LT
730};
731
732/* HCI security filter */
733#define HCI_SFLT_MAX_OGF 5
734
735struct hci_sec_filter {
736 __u32 type_mask;
737 __u32 event_mask[2];
738 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
739};
740
741/* ----- HCI requests ----- */
742#define HCI_REQ_DONE 0
743#define HCI_REQ_PEND 1
744#define HCI_REQ_CANCELED 2
745
a6a67efd
TG
746#define hci_req_lock(d) mutex_lock(&d->req_lock)
747#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 748
23bb5763 749void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4
LT
750
751#endif /* __HCI_CORE_H */