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Bluetooth: Convert hdev->out to a bool type
[deliverable/linux.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
a6b7a407 28#include <linux/interrupt.h>
1da177e4
LT		 29#include <net/bluetooth/hci.h>
30
5e59b791
LAD		 31/* HCI priority */
32#define HCI_PRIO_MAX 7
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 {
561aafbc
JH		 47 struct list_head all; /* inq_cache.all */
48 struct list_head list; /* unknown or resolve */
49 enum {
50 NAME_NOT_KNOWN,
51 NAME_NEEDED,
52 NAME_PENDING,
53 NAME_KNOWN,
54 } name_state;
1da177e4
LT		 55 __u32 timestamp;
56 struct inquiry_data data;
57};
58
30883512 59struct discovery_state {
ff9ef578
JH		 60 enum {
61 DISCOVERY_STOPPED,
62 DISCOVERY_STARTING,
30dc78e1
JH		 63 DISCOVERY_INQUIRY,
64 DISCOVERY_RESOLVING,
ff9ef578
JH		 65 DISCOVERY_STOPPING,
66 } state;
561aafbc
JH		 67 struct list_head all; /* All devices found during inquiry */
68 struct list_head unknown; /* Name state not known */
69 struct list_head resolve; /* Name needs to be resolved */
70 __u32 timestamp;
1da177e4
LT		 71};
72
73struct hci_conn_hash {
74 struct list_head list;
1da177e4
LT		 75 unsigned int acl_num;
76 unsigned int sco_num;
fcd89c09 77 unsigned int le_num;
1da177e4
LT		 78};
79
f0358568
JH		 80struct bdaddr_list {
81 struct list_head list;
82 bdaddr_t bdaddr;
83};
2aeb9a1a
JH		 84
85struct bt_uuid {
86 struct list_head list;
87 u8 uuid[16];
1aff6f09 88 u8 svc_hint;
2aeb9a1a
JH		 89};
90
34918cd7
VCG		 91struct key_master_id {
92 __le16 ediv;
93 u8 rand[8];
94} __packed;
95
96struct link_key_data {
97 bdaddr_t bdaddr;
98 u8 type;
99 u8 val[16];
100 u8 pin_len;
101 u8 dlen;
102 u8 data[0];
103} __packed;
104
55ed8ca1
JH		 105struct link_key {
106 struct list_head list;
107 bdaddr_t bdaddr;
108 u8 type;
109 u8 val[16];
110 u8 pin_len;
34918cd7
VCG		 111 u8 dlen;
112 u8 data[0];
55ed8ca1
JH		 113};
114
2763eda6
SJ		 115struct oob_data {
116 struct list_head list;
117 bdaddr_t bdaddr;
118 u8 hash[16];
119 u8 randomizer[16];
120};
121
76c8686f
AG		 122struct adv_entry {
123 struct list_head list;
124 bdaddr_t bdaddr;
125 u8 bdaddr_type;
126};
127
cd4c5391 128#define NUM_REASSEMBLY 4
1da177e4
LT		 129struct hci_dev {
130 struct list_head list;
09fd0de5 131 struct mutex lock;
1da177e4
LT		 132
133 char name[8];
134 unsigned long flags;
135 __u16 id;
c13854ce 136 __u8 bus;
943da25d 137 __u8 dev_type;
1da177e4 138 bdaddr_t bdaddr;
1f6c6378 139 __u8 dev_name[HCI_MAX_NAME_LENGTH];
80a1e1db 140 __u8 eir[HCI_MAX_EIR_LENGTH];
a9de9248 141 __u8 dev_class[3];
1aff6f09
JH		 142 __u8 major_class;
143 __u8 minor_class;
1da177e4 144 __u8 features[8];
59e29406 145 __u8 host_features[8];
a9de9248 146 __u8 commands[64];
333140b5 147 __u8 ssp_mode;
1143e5a6
MH		 148 __u8 hci_ver;
149 __u16 hci_rev;
d5859e22 150 __u8 lmp_ver;
1143e5a6 151 __u16 manufacturer;
d5859e22 152 __le16 lmp_subver;
1da177e4 153 __u16 voice_setting;
17fa4b9d 154 __u8 io_capability;
1da177e4
LT		 155
156 __u16 pkt_type;
5b7f9909 157 __u16 esco_type;
1da177e4
LT		 158 __u16 link_policy;
159 __u16 link_mode;
160
04837f64
MH		 161 __u32 idle_timeout;
162 __u16 sniff_min_interval;
163 __u16 sniff_max_interval;
164
928abaa7
AE		 165 __u8 amp_status;
166 __u32 amp_total_bw;
167 __u32 amp_max_bw;
168 __u32 amp_min_latency;
169 __u32 amp_max_pdu;
170 __u8 amp_type;
171 __u16 amp_pal_cap;
172 __u16 amp_assoc_size;
173 __u32 amp_max_flush_to;
174 __u32 amp_be_flush_to;
175
1e89cffb
AE		 176 __u8 flow_ctl_mode;
177
9f61656a
JH		 178 unsigned int auto_accept_delay;
179
1da177e4
LT		 180 unsigned long quirks;
181
182 atomic_t cmd_cnt;
183 unsigned int acl_cnt;
184 unsigned int sco_cnt;
6ed58ec5 185 unsigned int le_cnt;
1da177e4
LT		 186
187 unsigned int acl_mtu;
188 unsigned int sco_mtu;
6ed58ec5 189 unsigned int le_mtu;
1da177e4
LT		 190 unsigned int acl_pkts;
191 unsigned int sco_pkts;
6ed58ec5 192 unsigned int le_pkts;
1da177e4 193
350ee4cf
AE		 194 __u16 block_len;
195 __u16 block_mtu;
196 __u16 num_blocks;
197 __u16 block_cnt;
198
1da177e4
LT		 199 unsigned long acl_last_tx;
200 unsigned long sco_last_tx;
6ed58ec5 201 unsigned long le_last_tx;
1da177e4 202
f48fd9c8
MH		 203 struct workqueue_struct *workqueue;
204
ab81cbf9 205 struct work_struct power_on;
3243553f 206 struct delayed_work power_off;
ab81cbf9 207
16ab91ab
JH		 208 __u16 discov_timeout;
209 struct delayed_work discov_off;
210
7d78525d
JH		 211 struct delayed_work service_cache;
212
6bd32326 213 struct timer_list cmd_timer;
b78752cc
MH		 214
215 struct work_struct rx_work;
c347b765 216 struct work_struct cmd_work;
3eff45ea 217 struct work_struct tx_work;
1da177e4
LT		 218
219 struct sk_buff_head rx_q;
220 struct sk_buff_head raw_q;
221 struct sk_buff_head cmd_q;
222
223 struct sk_buff *sent_cmd;
cd4c5391 224 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 225
a6a67efd 226 struct mutex req_lock;
1da177e4
LT		 227 wait_queue_head_t req_wait_q;
228 __u32 req_status;
229 __u32 req_result;
a5040efa
JH		 230
231 __u16 init_last_cmd;
1da177e4 232
2e58ef3e
JH		 233 struct list_head mgmt_pending;
234
30883512 235 struct discovery_state discovery;
1da177e4 236 struct hci_conn_hash conn_hash;
ea4bd8ba 237 struct list_head blacklist;
1da177e4 238
2aeb9a1a
JH		 239 struct list_head uuids;
240
55ed8ca1
JH		 241 struct list_head link_keys;
242
2763eda6
SJ		 243 struct list_head remote_oob_data;
244
76c8686f 245 struct list_head adv_entries;
db323f2f 246 struct delayed_work adv_work;
76c8686f 247
1da177e4
LT		 248 struct hci_dev_stats stat;
249
250 struct sk_buff_head driver_init;
251
252 void *driver_data;
253 void *core_data;
254
70f23020 255 atomic_t promisc;
1da177e4 256
ca325f69
MH		 257 struct dentry *debugfs;
258
a91f2e39
MH		 259 struct device *parent;
260 struct device dev;
1da177e4 261
611b30f7
MH		 262 struct rfkill *rfkill;
263
d23264a8
AG		 264 unsigned long dev_flags;
265
1da177e4
LT		 266 int (*open)(struct hci_dev *hdev);
267 int (*close)(struct hci_dev *hdev);
268 int (*flush)(struct hci_dev *hdev);
269 int (*send)(struct sk_buff *skb);
1da177e4
LT		 270 void (*notify)(struct hci_dev *hdev, unsigned int evt);
271 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
272};
273
274struct hci_conn {
275 struct list_head list;
276
adc4266d 277 atomic_t refcnt;
adc4266d
SJ		 278
279 bdaddr_t dst;
5a9d0a3f 280 __u8 dst_type;
adc4266d
SJ		 281 __u16 handle;
282 __u16 state;
283 __u8 mode;
284 __u8 type;
a0c808b3 285 bool out;
adc4266d
SJ		 286 __u8 attempt;
287 __u8 dev_class[3];
288 __u8 features[8];
289 __u8 ssp_mode;
290 __u16 interval;
291 __u16 pkt_type;
292 __u16 link_policy;
293 __u32 link_mode;
13d39315 294 __u8 key_type;
adc4266d
SJ		 295 __u8 auth_type;
296 __u8 sec_level;
297 __u8 pending_sec_level;
298 __u8 pin_length;
726b4ffc 299 __u8 enc_key_size;
adc4266d
SJ		 300 __u8 io_capability;
301 __u8 power_save;
302 __u16 disc_timeout;
51a8efd7 303 unsigned long flags;
04837f64 304
03b555e1
JH		 305 __u8 remote_cap;
306 __u8 remote_oob;
307 __u8 remote_auth;
308
adc4266d 309 unsigned int sent;
04837f64 310
1da177e4 311 struct sk_buff_head data_q;
2c33c06a 312 struct list_head chan_list;
1da177e4 313
19c40e3b 314 struct delayed_work disc_work;
04837f64 315 struct timer_list idle_timer;
9f61656a 316 struct timer_list auto_accept_timer;
04837f64 317
b219e3ac 318 struct device dev;
9eba32b8 319 atomic_t devref;
b219e3ac 320
1da177e4
LT		 321 struct hci_dev *hdev;
322 void *l2cap_data;
323 void *sco_data;
2b64d153 324 void *smp_conn;
1da177e4
LT		 325
326 struct hci_conn *link;
e9a416b5
JH		 327
328 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
329 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
330 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 331};
332
73d80deb
LAD		 333struct hci_chan {
334 struct list_head list;
335
336 struct hci_conn *conn;
337 struct sk_buff_head data_q;
338 unsigned int sent;
339};
340
1da177e4
LT		 341extern struct list_head hci_dev_list;
342extern struct list_head hci_cb_list;
343extern rwlock_t hci_dev_list_lock;
344extern rwlock_t hci_cb_list_lock;
345
686ebf28
UF		 346/* ----- HCI interface to upper protocols ----- */
347extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
348extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
349extern int l2cap_disconn_ind(struct hci_conn *hcon);
350extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
351extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
352extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
353
354extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
355extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status);
356extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
357extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
358
1da177e4 359/* ----- Inquiry cache ----- */
70f23020
AE		 360#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
361#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4 362
30883512 363static inline void discovery_init(struct hci_dev *hdev)
1da177e4 364{
ff9ef578 365 hdev->discovery.state = DISCOVERY_STOPPED;
30883512
JH		 366 INIT_LIST_HEAD(&hdev->discovery.all);
367 INIT_LIST_HEAD(&hdev->discovery.unknown);
368 INIT_LIST_HEAD(&hdev->discovery.resolve);
1da177e4
LT		 369}
370
30dc78e1
JH		 371bool hci_discovery_active(struct hci_dev *hdev);
372
ff9ef578
JH		 373void hci_discovery_set_state(struct hci_dev *hdev, int state);
374
1da177e4
LT		 375static inline int inquiry_cache_empty(struct hci_dev *hdev)
376{
30883512 377 return list_empty(&hdev->discovery.all);
1da177e4
LT		 378}
379
380static inline long inquiry_cache_age(struct hci_dev *hdev)
381{
30883512 382 struct discovery_state *c = &hdev->discovery;
1da177e4
LT		 383 return jiffies - c->timestamp;
384}
385
386static inline long inquiry_entry_age(struct inquiry_entry *e)
387{
388 return jiffies - e->timestamp;
389}
390
5a9d0a3f
WR		 391struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
392 bdaddr_t *bdaddr);
561aafbc
JH		 393struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
394 bdaddr_t *bdaddr);
30dc78e1
JH		 395struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
396 bdaddr_t *bdaddr,
397 int state);
a3d4e20a
JH		 398void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
399 struct inquiry_entry *ie);
3175405b 400bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
561aafbc 401 bool name_known);
1da177e4
LT		 402
403/* ----- HCI Connections ----- */
404enum {
405 HCI_CONN_AUTH_PEND,
19f8def0 406 HCI_CONN_REAUTH_PEND,
1da177e4 407 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 408 HCI_CONN_RSWITCH_PEND,
409 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 410 HCI_CONN_SCO_SETUP_PEND,
d26a2345 411 HCI_CONN_LE_SMP_PEND,
1da177e4
LT		 412};
413
414static inline void hci_conn_hash_init(struct hci_dev *hdev)
415{
416 struct hci_conn_hash *h = &hdev->conn_hash;
417 INIT_LIST_HEAD(&h->list);
1da177e4
LT		 418 h->acl_num = 0;
419 h->sco_num = 0;
dc8ed672 420 h->le_num = 0;
1da177e4
LT		 421}
422
423static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
424{
425 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325 426 list_add_rcu(&c->list, &h->list);
fcd89c09
VT		 427 switch (c->type) {
428 case ACL_LINK:
1da177e4 429 h->acl_num++;
fcd89c09
VT		 430 break;
431 case LE_LINK:
432 h->le_num++;
433 break;
434 case SCO_LINK:
435 case ESCO_LINK:
1da177e4 436 h->sco_num++;
fcd89c09
VT		 437 break;
438 }
1da177e4
LT		 439}
440
441static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
442{
443 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325
GP		 444
445 list_del_rcu(&c->list);
446 synchronize_rcu();
447
fcd89c09
VT		 448 switch (c->type) {
449 case ACL_LINK:
1da177e4 450 h->acl_num--;
fcd89c09
VT		 451 break;
452 case LE_LINK:
453 h->le_num--;
454 break;
455 case SCO_LINK:
456 case ESCO_LINK:
1da177e4 457 h->sco_num--;
fcd89c09
VT		 458 break;
459 }
1da177e4
LT		 460}
461
52087a79
LAD		 462static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
463{
464 struct hci_conn_hash *h = &hdev->conn_hash;
465 switch (type) {
466 case ACL_LINK:
467 return h->acl_num;
468 case LE_LINK:
469 return h->le_num;
470 case SCO_LINK:
471 case ESCO_LINK:
472 return h->sco_num;
473 default:
474 return 0;
475 }
476}
477
1da177e4 478static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
adc4266d 479 __u16 handle)
1da177e4
LT		 480{
481 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 482 struct hci_conn *c;
483
bf4c6325
GP		 484 rcu_read_lock();
485
486 list_for_each_entry_rcu(c, &h->list, list) {
487 if (c->handle == handle) {
488 rcu_read_unlock();
1da177e4 489 return c;
bf4c6325 490 }
1da177e4 491 }
bf4c6325
GP		 492 rcu_read_unlock();
493
1da177e4
LT		 494 return NULL;
495}
496
497static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
adc4266d 498 __u8 type, bdaddr_t *ba)
1da177e4
LT		 499{
500 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 501 struct hci_conn *c;
502
bf4c6325
GP		 503 rcu_read_lock();
504
505 list_for_each_entry_rcu(c, &h->list, list) {
506 if (c->type == type && !bacmp(&c->dst, ba)) {
507 rcu_read_unlock();
1da177e4 508 return c;
bf4c6325 509 }
1da177e4 510 }
bf4c6325
GP		 511
512 rcu_read_unlock();
513
1da177e4
LT		 514 return NULL;
515}
516
4c67bc74 517static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
adc4266d 518 __u8 type, __u16 state)
4c67bc74
MH		 519{
520 struct hci_conn_hash *h = &hdev->conn_hash;
4c67bc74
MH		 521 struct hci_conn *c;
522
bf4c6325
GP		 523 rcu_read_lock();
524
525 list_for_each_entry_rcu(c, &h->list, list) {
526 if (c->type == type && c->state == state) {
527 rcu_read_unlock();
4c67bc74 528 return c;
bf4c6325 529 }
4c67bc74 530 }
73d80deb 531
bf4c6325 532 rcu_read_unlock();
73d80deb 533
4c67bc74 534 return NULL;
73d80deb
LAD		 535}
536
4c67bc74 537void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 538void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
539void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 540void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 541void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT		 542
543struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 544int hci_conn_del(struct hci_conn *conn);
545void hci_conn_hash_flush(struct hci_dev *hdev);
546void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 547
73d80deb
LAD		 548struct hci_chan *hci_chan_create(struct hci_conn *conn);
549int hci_chan_del(struct hci_chan *chan);
2c33c06a 550void hci_chan_list_flush(struct hci_conn *conn);
73d80deb 551
5a9d0a3f
WR		 552struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
553 __u8 sec_level, __u8 auth_type);
e7c29cb1 554int hci_conn_check_link_mode(struct hci_conn *conn);
b3b1b061 555int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
0684e5f9 556int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 557int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 558int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 559
14b12d0b 560void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1da177e4 561
9eba32b8
MH		 562void hci_conn_hold_device(struct hci_conn *conn);
563void hci_conn_put_device(struct hci_conn *conn);
564
1da177e4
LT		 565static inline void hci_conn_hold(struct hci_conn *conn)
566{
567 atomic_inc(&conn->refcnt);
19c40e3b 568 cancel_delayed_work_sync(&conn->disc_work);
1da177e4
LT		 569}
570
571static inline void hci_conn_put(struct hci_conn *conn)
572{
573 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 574 unsigned long timeo;
454d48ff 575 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
04837f64 576 del_timer(&conn->idle_timer);
6ac59344 577 if (conn->state == BT_CONNECTED) {
052b30b0 578 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 579 if (!conn->out)
052b30b0 580 timeo *= 2;
5a9d0a3f 581 } else {
6ac59344 582 timeo = msecs_to_jiffies(10);
5a9d0a3f
WR		 583 }
584 } else {
04837f64 585 timeo = msecs_to_jiffies(10);
5a9d0a3f 586 }
19c40e3b
GP		 587 cancel_delayed_work_sync(&conn->disc_work);
588 queue_delayed_work(conn->hdev->workqueue,
1931782b 589 &conn->disc_work, timeo);
1da177e4
LT		 590 }
591}
592
1da177e4 593/* ----- HCI Devices ----- */
dc946bd8 594static inline void hci_dev_put(struct hci_dev *d)
1da177e4 595{
4c724c71 596 put_device(&d->dev);
1da177e4
LT		 597}
598
dc946bd8 599static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1da177e4 600{
4c724c71 601 get_device(&d->dev);
1da177e4
LT		 602 return d;
603}
604
09fd0de5
GP		 605#define hci_dev_lock(d) mutex_lock(&d->lock)
606#define hci_dev_unlock(d) mutex_unlock(&d->lock)
1da177e4
LT		 607
608struct hci_dev *hci_dev_get(int index);
609struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
610
611struct hci_dev *hci_alloc_dev(void);
612void hci_free_dev(struct hci_dev *hdev);
613int hci_register_dev(struct hci_dev *hdev);
59735631 614void hci_unregister_dev(struct hci_dev *hdev);
1da177e4
LT		 615int hci_suspend_dev(struct hci_dev *hdev);
616int hci_resume_dev(struct hci_dev *hdev);
617int hci_dev_open(__u16 dev);
618int hci_dev_close(__u16 dev);
619int hci_dev_reset(__u16 dev);
620int hci_dev_reset_stat(__u16 dev);
621int hci_dev_cmd(unsigned int cmd, void __user *arg);
622int hci_get_dev_list(void __user *arg);
623int hci_get_dev_info(void __user *arg);
624int hci_get_conn_list(void __user *arg);
625int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 626int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 627int hci_inquiry(void __user *arg);
628
f0358568
JH		 629struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
630int hci_blacklist_clear(struct hci_dev *hdev);
b2a66aad
AJ		 631int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
632int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
f0358568 633
2aeb9a1a
JH		 634int hci_uuids_clear(struct hci_dev *hdev);
635
55ed8ca1
JH		 636int hci_link_keys_clear(struct hci_dev *hdev);
637struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
d25e28ab
JH		 638int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
639 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
75d262c2
VCG		 640struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
641struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
642 bdaddr_t *bdaddr, u8 type);
643int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
726b4ffc 644 u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]);
55ed8ca1
JH		 645int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
646
2763eda6
SJ		 647int hci_remote_oob_data_clear(struct hci_dev *hdev);
648struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
649 bdaddr_t *bdaddr);
650int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
651 u8 *randomizer);
652int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
653
35815085 654#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
76c8686f
AG		 655int hci_adv_entries_clear(struct hci_dev *hdev);
656struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
657int hci_add_adv_entry(struct hci_dev *hdev,
658 struct hci_ev_le_advertising_info *ev);
659
ab81cbf9
JH		 660void hci_del_off_timer(struct hci_dev *hdev);
661
1da177e4
LT		 662void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
663
76bca880 664int hci_recv_frame(struct sk_buff *skb);
ef222013 665int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 666int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 667
0ac7e700 668void hci_init_sysfs(struct hci_dev *hdev);
ce242970
DH		 669int hci_add_sysfs(struct hci_dev *hdev);
670void hci_del_sysfs(struct hci_dev *hdev);
a67e899c 671void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 672void hci_conn_add_sysfs(struct hci_conn *conn);
673void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 674
a91f2e39 675#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 676
677/* ----- LMP capabilities ----- */
04837f64
MH		 678#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
679#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
680#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
681#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 682#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 683#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 684#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 685#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
1da177e4 686
eead27da 687/* ----- Extended LMP capabilities ----- */
59e29406 688#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
eead27da 689
1da177e4 690/* ----- HCI protocols ----- */
5a9d0a3f
WR		 691static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
692 __u8 type)
1da177e4 693{
686ebf28
UF		 694 switch (type) {
695 case ACL_LINK:
696 return l2cap_connect_ind(hdev, bdaddr);
1da177e4 697
686ebf28
UF		 698 case SCO_LINK:
699 case ESCO_LINK:
700 return sco_connect_ind(hdev, bdaddr);
1da177e4 701
686ebf28
UF		 702 default:
703 BT_ERR("unknown link type %d", type);
704 return -EINVAL;
705 }
1da177e4
LT		 706}
707
708static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
709{
686ebf28
UF		 710 switch (conn->type) {
711 case ACL_LINK:
712 case LE_LINK:
713 l2cap_connect_cfm(conn, status);
714 break;
1da177e4 715
686ebf28
UF		 716 case SCO_LINK:
717 case ESCO_LINK:
718 sco_connect_cfm(conn, status);
719 break;
1da177e4 720
686ebf28
UF		 721 default:
722 BT_ERR("unknown link type %d", conn->type);
723 break;
724 }
e9a416b5
JH		 725
726 if (conn->connect_cfm_cb)
727 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 728}
729
2950f21a 730static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4 731{
686ebf28
UF		 732 if (conn->type != ACL_LINK && conn->type != LE_LINK)
733 return HCI_ERROR_REMOTE_USER_TERM;
1da177e4 734
686ebf28 735 return l2cap_disconn_ind(conn);
2950f21a
MH		 736}
737
738static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
739{
686ebf28
UF		 740 switch (conn->type) {
741 case ACL_LINK:
742 case LE_LINK:
743 l2cap_disconn_cfm(conn, reason);
744 break;
2950f21a 745
686ebf28
UF		 746 case SCO_LINK:
747 case ESCO_LINK:
748 sco_disconn_cfm(conn, reason);
749 break;
2950f21a 750
686ebf28
UF		 751 default:
752 BT_ERR("unknown link type %d", conn->type);
753 break;
754 }
e9a416b5
JH		 755
756 if (conn->disconn_cfm_cb)
757 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 758}
759
760static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
761{
8c1b2355
MH		 762 __u8 encrypt;
763
686ebf28
UF		 764 if (conn->type != ACL_LINK && conn->type != LE_LINK)
765 return;
766
51a8efd7 767 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 768 return;
769
770 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
686ebf28 771 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 772
773 if (conn->security_cfm_cb)
774 conn->security_cfm_cb(conn, status);
1da177e4
LT		 775}
776
5a9d0a3f
WR		 777static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
778 __u8 encrypt)
1da177e4 779{
686ebf28
UF		 780 if (conn->type != ACL_LINK && conn->type != LE_LINK)
781 return;
1da177e4 782
686ebf28 783 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 784
785 if (conn->security_cfm_cb)
786 conn->security_cfm_cb(conn, status);
1da177e4
LT		 787}
788
1da177e4
LT		 789/* ----- HCI callbacks ----- */
790struct hci_cb {
791 struct list_head list;
792
793 char *name;
794
5a9d0a3f
WR		 795 void (*security_cfm) (struct hci_conn *conn, __u8 status,
796 __u8 encrypt);
1da177e4
LT		 797 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
798 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
799};
800
801static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
802{
803 struct list_head *p;
8c1b2355 804 __u8 encrypt;
1da177e4
LT		 805
806 hci_proto_auth_cfm(conn, status);
807
51a8efd7 808 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 809 return;
810
811 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
812
f20d09d5 813 read_lock(&hci_cb_list_lock);
1da177e4
LT		 814 list_for_each(p, &hci_cb_list) {
815 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 816 if (cb->security_cfm)
817 cb->security_cfm(conn, status, encrypt);
1da177e4 818 }
f20d09d5 819 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 820}
821
5a9d0a3f
WR		 822static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
823 __u8 encrypt)
1da177e4
LT		 824{
825 struct list_head *p;
826
435fef20
MH		 827 if (conn->sec_level == BT_SECURITY_SDP)
828 conn->sec_level = BT_SECURITY_LOW;
829
88167aed
VCG		 830 if (conn->pending_sec_level > conn->sec_level)
831 conn->sec_level = conn->pending_sec_level;
832
9719f8af 833 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4 834
f20d09d5 835 read_lock(&hci_cb_list_lock);
1da177e4
LT		 836 list_for_each(p, &hci_cb_list) {
837 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 838 if (cb->security_cfm)
839 cb->security_cfm(conn, status, encrypt);
1da177e4 840 }
f20d09d5 841 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 842}
843
844static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
845{
846 struct list_head *p;
847
f20d09d5 848 read_lock(&hci_cb_list_lock);
1da177e4
LT		 849 list_for_each(p, &hci_cb_list) {
850 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
851 if (cb->key_change_cfm)
852 cb->key_change_cfm(conn, status);
853 }
f20d09d5 854 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 855}
856
5a9d0a3f
WR		 857static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
858 __u8 role)
1da177e4
LT		 859{
860 struct list_head *p;
861
f20d09d5 862 read_lock(&hci_cb_list_lock);
1da177e4
LT		 863 list_for_each(p, &hci_cb_list) {
864 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
865 if (cb->role_switch_cfm)
866 cb->role_switch_cfm(conn, status, role);
867 }
f20d09d5 868 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 869}
870
6759a675
JH		 871static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
872{
873 u8 field_len;
874 size_t parsed;
875
876 for (parsed = 0; parsed < data_len - 1; parsed += field_len) {
877 field_len = data[0];
878
879 if (field_len == 0)
880 break;
881
882 parsed += field_len + 1;
883
884 if (parsed > data_len)
885 break;
886
887 if (data[1] == type)
888 return true;
889
890 data += field_len + 1;
891 }
892
893 return false;
894}
895
1dc06093
JH		 896static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
897 u8 data_len)
898{
899 eir[eir_len++] = sizeof(type) + data_len;
900 eir[eir_len++] = type;
901 memcpy(&eir[eir_len], data, data_len);
902 eir_len += data_len;
903
904 return eir_len;
905}
906
1da177e4
LT		 907int hci_register_cb(struct hci_cb *hcb);
908int hci_unregister_cb(struct hci_cb *hcb);
909
910int hci_register_notifier(struct notifier_block *nb);
911int hci_unregister_notifier(struct notifier_block *nb);
912
a9de9248 913int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
73d80deb 914void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
0d861d8b 915void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 916
a9de9248 917void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 918
919void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
920
921/* ----- HCI Sockets ----- */
eec8d2bc
JH		 922void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
923 struct sock *skip_sk);
1da177e4 924
0381101f
JH		 925/* Management interface */
926int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
744cf19e
JH		 927int mgmt_index_added(struct hci_dev *hdev);
928int mgmt_index_removed(struct hci_dev *hdev);
929int mgmt_powered(struct hci_dev *hdev, u8 powered);
930int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
931int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
932int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
933int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
934 u8 persistent);
afc747a6 935int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
48264f06 936 u8 addr_type);
afc747a6
JH		 937int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
938 u8 link_type, u8 addr_type);
37d9ef76 939int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
48264f06
JH		 940int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
941 u8 addr_type, u8 status);
744cf19e
JH		 942int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
943int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
c35938b2 944 u8 status);
744cf19e
JH		 945int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
946 u8 status);
947int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
948 __le32 value, u8 confirm_hint);
949int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
950 u8 status);
951int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
952 bdaddr_t *bdaddr, u8 status);
604086b7
BG		 953int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
954int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
955 u8 status);
956int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
957 bdaddr_t *bdaddr, u8 status);
744cf19e
JH		 958int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
959int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
960int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
961 u8 *randomizer, u8 status);
48264f06 962int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
561aafbc 963 u8 addr_type, u8 *dev_class, s8 rssi,
e319d2e7 964 u8 cfm_name, u8 *eir, u16 eir_len);
744cf19e 965int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name);
7a135109 966int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
e6d465cb 967int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
744cf19e
JH		 968int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
969int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
970int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
0381101f 971
1da177e4
LT		 972/* HCI info for socket */
973#define hci_pi(sk) ((struct hci_pinfo *) sk)
974
14c0b608
JH		 975/* HCI socket flags */
976#define HCI_PI_MGMT_INIT 0
977
1da177e4
LT		 978struct hci_pinfo {
979 struct bt_sock bt;
980 struct hci_dev *hdev;
981 struct hci_filter filter;
982 __u32 cmsg_mask;
c02178d2 983 unsigned short channel;
14c0b608 984 unsigned long flags;
1da177e4
LT		 985};
986
987/* HCI security filter */
988#define HCI_SFLT_MAX_OGF 5
989
990struct hci_sec_filter {
991 __u32 type_mask;
992 __u32 event_mask[2];
993 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
994};
995
996/* ----- HCI requests ----- */
997#define HCI_REQ_DONE 0
998#define HCI_REQ_PEND 1
999#define HCI_REQ_CANCELED 2
1000
a6a67efd
TG		 1001#define hci_req_lock(d) mutex_lock(&d->req_lock)
1002#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 1003
23bb5763 1004void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4 1005
2ce603eb
CT		 1006void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
1007 u16 latency, u16 to_multiplier);
a7a595f6
VCG		 1008void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
1009 __u8 ltk[16]);
1010void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
1011void hci_le_ltk_neg_reply(struct hci_conn *conn);
1012
2519a1fc 1013int hci_do_inquiry(struct hci_dev *hdev, u8 length);
023d5049 1014int hci_cancel_inquiry(struct hci_dev *hdev);
2519a1fc 1015
1da177e4 1016#endif /* __HCI_CORE_H */
Linux kernel - Deliverables
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