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Bluetooth: Add address type to mgmt blacklist messages
[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
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 63 DISCOVERY_INQUIRY,
c599008f 64 DISCOVERY_LE_SCAN,
30dc78e1 65 DISCOVERY_RESOLVING,
ff9ef578
JH		 66 DISCOVERY_STOPPING,
67 } state;
561aafbc
JH		 68 struct list_head all; /* All devices found during inquiry */
69 struct list_head unknown; /* Name state not known */
70 struct list_head resolve; /* Name needs to be resolved */
71 __u32 timestamp;
1da177e4
LT		 72};
73
74struct hci_conn_hash {
75 struct list_head list;
1da177e4
LT		 76 unsigned int acl_num;
77 unsigned int sco_num;
fcd89c09 78 unsigned int le_num;
1da177e4
LT		 79};
80
f0358568
JH		 81struct bdaddr_list {
82 struct list_head list;
83 bdaddr_t bdaddr;
84};
2aeb9a1a
JH		 85
86struct bt_uuid {
87 struct list_head list;
88 u8 uuid[16];
1aff6f09 89 u8 svc_hint;
2aeb9a1a
JH		 90};
91
b899efaf
VCG		 92struct smp_ltk {
93 struct list_head list;
94 bdaddr_t bdaddr;
95 u8 bdaddr_type;
96 u8 authenticated;
97 u8 type;
98 u8 enc_size;
99 __le16 ediv;
100 u8 rand[8];
101 u8 val[16];
102} __packed;
103
55ed8ca1
JH		 104struct link_key {
105 struct list_head list;
106 bdaddr_t bdaddr;
107 u8 type;
108 u8 val[16];
109 u8 pin_len;
110};
111
2763eda6
SJ		 112struct oob_data {
113 struct list_head list;
114 bdaddr_t bdaddr;
115 u8 hash[16];
116 u8 randomizer[16];
117};
118
76c8686f
AG		 119struct adv_entry {
120 struct list_head list;
121 bdaddr_t bdaddr;
122 u8 bdaddr_type;
123};
124
7ba8b4be
AG		 125struct le_scan_params {
126 u8 type;
127 u16 interval;
128 u16 window;
28b75a89 129 int timeout;
7ba8b4be
AG		 130};
131
cd4c5391 132#define NUM_REASSEMBLY 4
1da177e4
LT		 133struct hci_dev {
134 struct list_head list;
09fd0de5 135 struct mutex lock;
1da177e4
LT		 136
137 char name[8];
138 unsigned long flags;
139 __u16 id;
c13854ce 140 __u8 bus;
943da25d 141 __u8 dev_type;
1da177e4 142 bdaddr_t bdaddr;
1f6c6378 143 __u8 dev_name[HCI_MAX_NAME_LENGTH];
80a1e1db 144 __u8 eir[HCI_MAX_EIR_LENGTH];
a9de9248 145 __u8 dev_class[3];
1aff6f09
JH		 146 __u8 major_class;
147 __u8 minor_class;
1da177e4 148 __u8 features[8];
59e29406 149 __u8 host_features[8];
a9de9248 150 __u8 commands[64];
1143e5a6
MH		 151 __u8 hci_ver;
152 __u16 hci_rev;
d5859e22 153 __u8 lmp_ver;
1143e5a6 154 __u16 manufacturer;
d5859e22 155 __le16 lmp_subver;
1da177e4 156 __u16 voice_setting;
17fa4b9d 157 __u8 io_capability;
1da177e4
LT		 158
159 __u16 pkt_type;
5b7f9909 160 __u16 esco_type;
1da177e4
LT		 161 __u16 link_policy;
162 __u16 link_mode;
163
04837f64
MH		 164 __u32 idle_timeout;
165 __u16 sniff_min_interval;
166 __u16 sniff_max_interval;
167
928abaa7
AE		 168 __u8 amp_status;
169 __u32 amp_total_bw;
170 __u32 amp_max_bw;
171 __u32 amp_min_latency;
172 __u32 amp_max_pdu;
173 __u8 amp_type;
174 __u16 amp_pal_cap;
175 __u16 amp_assoc_size;
176 __u32 amp_max_flush_to;
177 __u32 amp_be_flush_to;
178
1e89cffb
AE		 179 __u8 flow_ctl_mode;
180
9f61656a
JH		 181 unsigned int auto_accept_delay;
182
1da177e4
LT		 183 unsigned long quirks;
184
185 atomic_t cmd_cnt;
186 unsigned int acl_cnt;
187 unsigned int sco_cnt;
6ed58ec5 188 unsigned int le_cnt;
1da177e4
LT		 189
190 unsigned int acl_mtu;
191 unsigned int sco_mtu;
6ed58ec5 192 unsigned int le_mtu;
1da177e4
LT		 193 unsigned int acl_pkts;
194 unsigned int sco_pkts;
6ed58ec5 195 unsigned int le_pkts;
1da177e4 196
350ee4cf
AE		 197 __u16 block_len;
198 __u16 block_mtu;
199 __u16 num_blocks;
200 __u16 block_cnt;
201
1da177e4
LT		 202 unsigned long acl_last_tx;
203 unsigned long sco_last_tx;
6ed58ec5 204 unsigned long le_last_tx;
1da177e4 205
f48fd9c8
MH		 206 struct workqueue_struct *workqueue;
207
ab81cbf9 208 struct work_struct power_on;
3243553f 209 struct delayed_work power_off;
ab81cbf9 210
16ab91ab
JH		 211 __u16 discov_timeout;
212 struct delayed_work discov_off;
213
7d78525d
JH		 214 struct delayed_work service_cache;
215
6bd32326 216 struct timer_list cmd_timer;
b78752cc
MH		 217
218 struct work_struct rx_work;
c347b765 219 struct work_struct cmd_work;
3eff45ea 220 struct work_struct tx_work;
1da177e4
LT		 221
222 struct sk_buff_head rx_q;
223 struct sk_buff_head raw_q;
224 struct sk_buff_head cmd_q;
225
226 struct sk_buff *sent_cmd;
cd4c5391 227 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 228
a6a67efd 229 struct mutex req_lock;
1da177e4
LT		 230 wait_queue_head_t req_wait_q;
231 __u32 req_status;
232 __u32 req_result;
a5040efa
JH		 233
234 __u16 init_last_cmd;
1da177e4 235
2e58ef3e
JH		 236 struct list_head mgmt_pending;
237
30883512 238 struct discovery_state discovery;
1da177e4 239 struct hci_conn_hash conn_hash;
ea4bd8ba 240 struct list_head blacklist;
1da177e4 241
2aeb9a1a
JH		 242 struct list_head uuids;
243
55ed8ca1
JH		 244 struct list_head link_keys;
245
b899efaf
VCG		 246 struct list_head long_term_keys;
247
2763eda6
SJ		 248 struct list_head remote_oob_data;
249
76c8686f 250 struct list_head adv_entries;
db323f2f 251 struct delayed_work adv_work;
76c8686f 252
1da177e4
LT		 253 struct hci_dev_stats stat;
254
255 struct sk_buff_head driver_init;
256
257 void *driver_data;
258 void *core_data;
259
70f23020 260 atomic_t promisc;
1da177e4 261
ca325f69
MH		 262 struct dentry *debugfs;
263
a91f2e39
MH		 264 struct device *parent;
265 struct device dev;
1da177e4 266
611b30f7
MH		 267 struct rfkill *rfkill;
268
d23264a8
AG		 269 unsigned long dev_flags;
270
7ba8b4be
AG		 271 struct delayed_work le_scan_disable;
272
28b75a89
AG		 273 struct work_struct le_scan;
274 struct le_scan_params le_scan_params;
275
1da177e4
LT		 276 int (*open)(struct hci_dev *hdev);
277 int (*close)(struct hci_dev *hdev);
278 int (*flush)(struct hci_dev *hdev);
279 int (*send)(struct sk_buff *skb);
1da177e4
LT		 280 void (*notify)(struct hci_dev *hdev, unsigned int evt);
281 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
282};
283
284struct hci_conn {
285 struct list_head list;
286
adc4266d 287 atomic_t refcnt;
adc4266d
SJ		 288
289 bdaddr_t dst;
5a9d0a3f 290 __u8 dst_type;
adc4266d
SJ		 291 __u16 handle;
292 __u16 state;
293 __u8 mode;
294 __u8 type;
a0c808b3 295 bool out;
adc4266d
SJ		 296 __u8 attempt;
297 __u8 dev_class[3];
298 __u8 features[8];
adc4266d
SJ		 299 __u16 interval;
300 __u16 pkt_type;
301 __u16 link_policy;
302 __u32 link_mode;
13d39315 303 __u8 key_type;
adc4266d
SJ		 304 __u8 auth_type;
305 __u8 sec_level;
306 __u8 pending_sec_level;
307 __u8 pin_length;
726b4ffc 308 __u8 enc_key_size;
adc4266d 309 __u8 io_capability;
adc4266d 310 __u16 disc_timeout;
51a8efd7 311 unsigned long flags;
04837f64 312
03b555e1 313 __u8 remote_cap;
03b555e1
JH		 314 __u8 remote_auth;
315
adc4266d 316 unsigned int sent;
04837f64 317
1da177e4 318 struct sk_buff_head data_q;
2c33c06a 319 struct list_head chan_list;
1da177e4 320
19c40e3b 321 struct delayed_work disc_work;
04837f64 322 struct timer_list idle_timer;
9f61656a 323 struct timer_list auto_accept_timer;
04837f64 324
b219e3ac 325 struct device dev;
9eba32b8 326 atomic_t devref;
b219e3ac 327
1da177e4
LT		 328 struct hci_dev *hdev;
329 void *l2cap_data;
330 void *sco_data;
2b64d153 331 void *smp_conn;
1da177e4
LT		 332
333 struct hci_conn *link;
e9a416b5
JH		 334
335 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
336 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
337 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 338};
339
73d80deb
LAD		 340struct hci_chan {
341 struct list_head list;
342
343 struct hci_conn *conn;
344 struct sk_buff_head data_q;
345 unsigned int sent;
346};
347
1da177e4
LT		 348extern struct list_head hci_dev_list;
349extern struct list_head hci_cb_list;
350extern rwlock_t hci_dev_list_lock;
351extern rwlock_t hci_cb_list_lock;
352
686ebf28
UF		 353/* ----- HCI interface to upper protocols ----- */
354extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
355extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
356extern int l2cap_disconn_ind(struct hci_conn *hcon);
357extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
358extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
359extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
360
361extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
362extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status);
363extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
364extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
365
1da177e4 366/* ----- Inquiry cache ----- */
70f23020
AE		 367#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
368#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4 369
30883512 370static inline void discovery_init(struct hci_dev *hdev)
1da177e4 371{
ff9ef578 372 hdev->discovery.state = DISCOVERY_STOPPED;
30883512
JH		 373 INIT_LIST_HEAD(&hdev->discovery.all);
374 INIT_LIST_HEAD(&hdev->discovery.unknown);
375 INIT_LIST_HEAD(&hdev->discovery.resolve);
1da177e4
LT		 376}
377
30dc78e1
JH		 378bool hci_discovery_active(struct hci_dev *hdev);
379
ff9ef578
JH		 380void hci_discovery_set_state(struct hci_dev *hdev, int state);
381
1da177e4
LT		 382static inline int inquiry_cache_empty(struct hci_dev *hdev)
383{
30883512 384 return list_empty(&hdev->discovery.all);
1da177e4
LT		 385}
386
387static inline long inquiry_cache_age(struct hci_dev *hdev)
388{
30883512 389 struct discovery_state *c = &hdev->discovery;
1da177e4
LT		 390 return jiffies - c->timestamp;
391}
392
393static inline long inquiry_entry_age(struct inquiry_entry *e)
394{
395 return jiffies - e->timestamp;
396}
397
5a9d0a3f
WR		 398struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
399 bdaddr_t *bdaddr);
561aafbc
JH		 400struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
401 bdaddr_t *bdaddr);
30dc78e1
JH		 402struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
403 bdaddr_t *bdaddr,
404 int state);
a3d4e20a
JH		 405void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
406 struct inquiry_entry *ie);
3175405b 407bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
561aafbc 408 bool name_known);
1da177e4
LT		 409
410/* ----- HCI Connections ----- */
411enum {
412 HCI_CONN_AUTH_PEND,
19f8def0 413 HCI_CONN_REAUTH_PEND,
1da177e4 414 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 415 HCI_CONN_RSWITCH_PEND,
416 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 417 HCI_CONN_SCO_SETUP_PEND,
d26a2345 418 HCI_CONN_LE_SMP_PEND,
b644ba33 419 HCI_CONN_MGMT_CONNECTED,
58a681ef
JH		 420 HCI_CONN_SSP_ENABLED,
421 HCI_CONN_POWER_SAVE,
422 HCI_CONN_REMOTE_OOB,
1da177e4
LT		 423};
424
aa64a8b5
JH		 425static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
426{
427 struct hci_dev *hdev = conn->hdev;
428 return (test_bit(HCI_SSP_ENABLED, &hdev->flags) &&
429 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags));
430}
431
1da177e4
LT		 432static inline void hci_conn_hash_init(struct hci_dev *hdev)
433{
434 struct hci_conn_hash *h = &hdev->conn_hash;
435 INIT_LIST_HEAD(&h->list);
1da177e4
LT		 436 h->acl_num = 0;
437 h->sco_num = 0;
dc8ed672 438 h->le_num = 0;
1da177e4
LT		 439}
440
441static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
442{
443 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325 444 list_add_rcu(&c->list, &h->list);
fcd89c09
VT		 445 switch (c->type) {
446 case ACL_LINK:
1da177e4 447 h->acl_num++;
fcd89c09
VT		 448 break;
449 case LE_LINK:
450 h->le_num++;
451 break;
452 case SCO_LINK:
453 case ESCO_LINK:
1da177e4 454 h->sco_num++;
fcd89c09
VT		 455 break;
456 }
1da177e4
LT		 457}
458
459static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
460{
461 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325
GP		 462
463 list_del_rcu(&c->list);
464 synchronize_rcu();
465
fcd89c09
VT		 466 switch (c->type) {
467 case ACL_LINK:
1da177e4 468 h->acl_num--;
fcd89c09
VT		 469 break;
470 case LE_LINK:
471 h->le_num--;
472 break;
473 case SCO_LINK:
474 case ESCO_LINK:
1da177e4 475 h->sco_num--;
fcd89c09
VT		 476 break;
477 }
1da177e4
LT		 478}
479
52087a79
LAD		 480static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
481{
482 struct hci_conn_hash *h = &hdev->conn_hash;
483 switch (type) {
484 case ACL_LINK:
485 return h->acl_num;
486 case LE_LINK:
487 return h->le_num;
488 case SCO_LINK:
489 case ESCO_LINK:
490 return h->sco_num;
491 default:
492 return 0;
493 }
494}
495
1da177e4 496static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
adc4266d 497 __u16 handle)
1da177e4
LT		 498{
499 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 500 struct hci_conn *c;
501
bf4c6325
GP		 502 rcu_read_lock();
503
504 list_for_each_entry_rcu(c, &h->list, list) {
505 if (c->handle == handle) {
506 rcu_read_unlock();
1da177e4 507 return c;
bf4c6325 508 }
1da177e4 509 }
bf4c6325
GP		 510 rcu_read_unlock();
511
1da177e4
LT		 512 return NULL;
513}
514
515static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
adc4266d 516 __u8 type, bdaddr_t *ba)
1da177e4
LT		 517{
518 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 519 struct hci_conn *c;
520
bf4c6325
GP		 521 rcu_read_lock();
522
523 list_for_each_entry_rcu(c, &h->list, list) {
524 if (c->type == type && !bacmp(&c->dst, ba)) {
525 rcu_read_unlock();
1da177e4 526 return c;
bf4c6325 527 }
1da177e4 528 }
bf4c6325
GP		 529
530 rcu_read_unlock();
531
1da177e4
LT		 532 return NULL;
533}
534
4c67bc74 535static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
adc4266d 536 __u8 type, __u16 state)
4c67bc74
MH		 537{
538 struct hci_conn_hash *h = &hdev->conn_hash;
4c67bc74
MH		 539 struct hci_conn *c;
540
bf4c6325
GP		 541 rcu_read_lock();
542
543 list_for_each_entry_rcu(c, &h->list, list) {
544 if (c->type == type && c->state == state) {
545 rcu_read_unlock();
4c67bc74 546 return c;
bf4c6325 547 }
4c67bc74 548 }
73d80deb 549
bf4c6325 550 rcu_read_unlock();
73d80deb 551
4c67bc74 552 return NULL;
73d80deb
LAD		 553}
554
4c67bc74 555void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 556void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
557void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 558void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 559void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT		 560
561struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 562int hci_conn_del(struct hci_conn *conn);
563void hci_conn_hash_flush(struct hci_dev *hdev);
564void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 565
73d80deb
LAD		 566struct hci_chan *hci_chan_create(struct hci_conn *conn);
567int hci_chan_del(struct hci_chan *chan);
2c33c06a 568void hci_chan_list_flush(struct hci_conn *conn);
73d80deb 569
5a9d0a3f
WR		 570struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
571 __u8 sec_level, __u8 auth_type);
e7c29cb1 572int hci_conn_check_link_mode(struct hci_conn *conn);
b3b1b061 573int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
0684e5f9 574int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 575int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 576int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 577
14b12d0b 578void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1da177e4 579
9eba32b8
MH		 580void hci_conn_hold_device(struct hci_conn *conn);
581void hci_conn_put_device(struct hci_conn *conn);
582
1da177e4
LT		 583static inline void hci_conn_hold(struct hci_conn *conn)
584{
585 atomic_inc(&conn->refcnt);
2f304d1e 586 cancel_delayed_work(&conn->disc_work);
1da177e4
LT		 587}
588
589static inline void hci_conn_put(struct hci_conn *conn)
590{
591 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 592 unsigned long timeo;
454d48ff 593 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
04837f64 594 del_timer(&conn->idle_timer);
6ac59344 595 if (conn->state == BT_CONNECTED) {
052b30b0 596 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 597 if (!conn->out)
052b30b0 598 timeo *= 2;
5a9d0a3f 599 } else {
6ac59344 600 timeo = msecs_to_jiffies(10);
5a9d0a3f
WR		 601 }
602 } else {
04837f64 603 timeo = msecs_to_jiffies(10);
5a9d0a3f 604 }
2f304d1e 605 cancel_delayed_work(&conn->disc_work);
19c40e3b 606 queue_delayed_work(conn->hdev->workqueue,
1931782b 607 &conn->disc_work, timeo);
1da177e4
LT		 608 }
609}
610
1da177e4 611/* ----- HCI Devices ----- */
dc946bd8 612static inline void hci_dev_put(struct hci_dev *d)
1da177e4 613{
4c724c71 614 put_device(&d->dev);
1da177e4
LT		 615}
616
dc946bd8 617static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1da177e4 618{
4c724c71 619 get_device(&d->dev);
1da177e4
LT		 620 return d;
621}
622
09fd0de5
GP		 623#define hci_dev_lock(d) mutex_lock(&d->lock)
624#define hci_dev_unlock(d) mutex_unlock(&d->lock)
1da177e4
LT		 625
626struct hci_dev *hci_dev_get(int index);
627struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
628
629struct hci_dev *hci_alloc_dev(void);
630void hci_free_dev(struct hci_dev *hdev);
631int hci_register_dev(struct hci_dev *hdev);
59735631 632void hci_unregister_dev(struct hci_dev *hdev);
1da177e4
LT		 633int hci_suspend_dev(struct hci_dev *hdev);
634int hci_resume_dev(struct hci_dev *hdev);
635int hci_dev_open(__u16 dev);
636int hci_dev_close(__u16 dev);
637int hci_dev_reset(__u16 dev);
638int hci_dev_reset_stat(__u16 dev);
639int hci_dev_cmd(unsigned int cmd, void __user *arg);
640int hci_get_dev_list(void __user *arg);
641int hci_get_dev_info(void __user *arg);
642int hci_get_conn_list(void __user *arg);
643int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 644int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 645int hci_inquiry(void __user *arg);
646
f0358568
JH		 647struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
648int hci_blacklist_clear(struct hci_dev *hdev);
88c1fe4b
JH		 649int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
650int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
f0358568 651
2aeb9a1a
JH		 652int hci_uuids_clear(struct hci_dev *hdev);
653
55ed8ca1
JH		 654int hci_link_keys_clear(struct hci_dev *hdev);
655struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
d25e28ab
JH		 656int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
657 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
c9839a11
VCG		 658struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
659int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type,
660 int new_key, u8 authenticated, u8 tk[16],
661 u8 enc_size, u16 ediv, u8 rand[8]);
662struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
663 u8 addr_type);
b899efaf 664int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr);
b899efaf 665int hci_smp_ltks_clear(struct hci_dev *hdev);
55ed8ca1
JH		 666int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
667
2763eda6
SJ		 668int hci_remote_oob_data_clear(struct hci_dev *hdev);
669struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
670 bdaddr_t *bdaddr);
671int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
672 u8 *randomizer);
673int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
674
35815085 675#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
76c8686f
AG		 676int hci_adv_entries_clear(struct hci_dev *hdev);
677struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
678int hci_add_adv_entry(struct hci_dev *hdev,
679 struct hci_ev_le_advertising_info *ev);
680
ab81cbf9
JH		 681void hci_del_off_timer(struct hci_dev *hdev);
682
1da177e4
LT		 683void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
684
76bca880 685int hci_recv_frame(struct sk_buff *skb);
ef222013 686int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 687int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 688
0ac7e700 689void hci_init_sysfs(struct hci_dev *hdev);
ce242970
DH		 690int hci_add_sysfs(struct hci_dev *hdev);
691void hci_del_sysfs(struct hci_dev *hdev);
a67e899c 692void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 693void hci_conn_add_sysfs(struct hci_conn *conn);
694void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 695
a91f2e39 696#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 697
698/* ----- LMP capabilities ----- */
04837f64
MH		 699#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
700#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
701#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
702#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 703#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 704#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 705#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 706#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
1da177e4 707
eead27da 708/* ----- Extended LMP capabilities ----- */
59e29406 709#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
eead27da 710
1da177e4 711/* ----- HCI protocols ----- */
5a9d0a3f
WR		 712static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
713 __u8 type)
1da177e4 714{
686ebf28
UF		 715 switch (type) {
716 case ACL_LINK:
717 return l2cap_connect_ind(hdev, bdaddr);
1da177e4 718
686ebf28
UF		 719 case SCO_LINK:
720 case ESCO_LINK:
721 return sco_connect_ind(hdev, bdaddr);
1da177e4 722
686ebf28
UF		 723 default:
724 BT_ERR("unknown link type %d", type);
725 return -EINVAL;
726 }
1da177e4
LT		 727}
728
729static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
730{
686ebf28
UF		 731 switch (conn->type) {
732 case ACL_LINK:
733 case LE_LINK:
734 l2cap_connect_cfm(conn, status);
735 break;
1da177e4 736
686ebf28
UF		 737 case SCO_LINK:
738 case ESCO_LINK:
739 sco_connect_cfm(conn, status);
740 break;
1da177e4 741
686ebf28
UF		 742 default:
743 BT_ERR("unknown link type %d", conn->type);
744 break;
745 }
e9a416b5
JH		 746
747 if (conn->connect_cfm_cb)
748 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 749}
750
2950f21a 751static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4 752{
686ebf28
UF		 753 if (conn->type != ACL_LINK && conn->type != LE_LINK)
754 return HCI_ERROR_REMOTE_USER_TERM;
1da177e4 755
686ebf28 756 return l2cap_disconn_ind(conn);
2950f21a
MH		 757}
758
759static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
760{
686ebf28
UF		 761 switch (conn->type) {
762 case ACL_LINK:
763 case LE_LINK:
764 l2cap_disconn_cfm(conn, reason);
765 break;
2950f21a 766
686ebf28
UF		 767 case SCO_LINK:
768 case ESCO_LINK:
769 sco_disconn_cfm(conn, reason);
770 break;
2950f21a 771
686ebf28
UF		 772 default:
773 BT_ERR("unknown link type %d", conn->type);
774 break;
775 }
e9a416b5
JH		 776
777 if (conn->disconn_cfm_cb)
778 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 779}
780
781static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
782{
8c1b2355
MH		 783 __u8 encrypt;
784
686ebf28
UF		 785 if (conn->type != ACL_LINK && conn->type != LE_LINK)
786 return;
787
51a8efd7 788 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 789 return;
790
791 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
686ebf28 792 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 793
794 if (conn->security_cfm_cb)
795 conn->security_cfm_cb(conn, status);
1da177e4
LT		 796}
797
5a9d0a3f
WR		 798static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
799 __u8 encrypt)
1da177e4 800{
686ebf28
UF		 801 if (conn->type != ACL_LINK && conn->type != LE_LINK)
802 return;
1da177e4 803
686ebf28 804 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 805
806 if (conn->security_cfm_cb)
807 conn->security_cfm_cb(conn, status);
1da177e4
LT		 808}
809
1da177e4
LT		 810/* ----- HCI callbacks ----- */
811struct hci_cb {
812 struct list_head list;
813
814 char *name;
815
5a9d0a3f
WR		 816 void (*security_cfm) (struct hci_conn *conn, __u8 status,
817 __u8 encrypt);
1da177e4
LT		 818 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
819 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
820};
821
822static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
823{
824 struct list_head *p;
8c1b2355 825 __u8 encrypt;
1da177e4
LT		 826
827 hci_proto_auth_cfm(conn, status);
828
51a8efd7 829 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 830 return;
831
832 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
833
f20d09d5 834 read_lock(&hci_cb_list_lock);
1da177e4
LT		 835 list_for_each(p, &hci_cb_list) {
836 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 837 if (cb->security_cfm)
838 cb->security_cfm(conn, status, encrypt);
1da177e4 839 }
f20d09d5 840 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 841}
842
5a9d0a3f
WR		 843static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
844 __u8 encrypt)
1da177e4
LT		 845{
846 struct list_head *p;
847
435fef20
MH		 848 if (conn->sec_level == BT_SECURITY_SDP)
849 conn->sec_level = BT_SECURITY_LOW;
850
88167aed
VCG		 851 if (conn->pending_sec_level > conn->sec_level)
852 conn->sec_level = conn->pending_sec_level;
853
9719f8af 854 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4 855
f20d09d5 856 read_lock(&hci_cb_list_lock);
1da177e4
LT		 857 list_for_each(p, &hci_cb_list) {
858 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 859 if (cb->security_cfm)
860 cb->security_cfm(conn, status, encrypt);
1da177e4 861 }
f20d09d5 862 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 863}
864
865static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
866{
867 struct list_head *p;
868
f20d09d5 869 read_lock(&hci_cb_list_lock);
1da177e4
LT		 870 list_for_each(p, &hci_cb_list) {
871 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
872 if (cb->key_change_cfm)
873 cb->key_change_cfm(conn, status);
874 }
f20d09d5 875 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 876}
877
5a9d0a3f
WR		 878static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
879 __u8 role)
1da177e4
LT		 880{
881 struct list_head *p;
882
f20d09d5 883 read_lock(&hci_cb_list_lock);
1da177e4
LT		 884 list_for_each(p, &hci_cb_list) {
885 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
886 if (cb->role_switch_cfm)
887 cb->role_switch_cfm(conn, status, role);
888 }
f20d09d5 889 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 890}
891
6759a675
JH		 892static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
893{
894 u8 field_len;
895 size_t parsed;
896
897 for (parsed = 0; parsed < data_len - 1; parsed += field_len) {
898 field_len = data[0];
899
900 if (field_len == 0)
901 break;
902
903 parsed += field_len + 1;
904
905 if (parsed > data_len)
906 break;
907
908 if (data[1] == type)
909 return true;
910
911 data += field_len + 1;
912 }
913
914 return false;
915}
916
1dc06093
JH		 917static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
918 u8 data_len)
919{
920 eir[eir_len++] = sizeof(type) + data_len;
921 eir[eir_len++] = type;
922 memcpy(&eir[eir_len], data, data_len);
923 eir_len += data_len;
924
925 return eir_len;
926}
927
1da177e4
LT		 928int hci_register_cb(struct hci_cb *hcb);
929int hci_unregister_cb(struct hci_cb *hcb);
930
931int hci_register_notifier(struct notifier_block *nb);
932int hci_unregister_notifier(struct notifier_block *nb);
933
a9de9248 934int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
73d80deb 935void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
0d861d8b 936void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 937
a9de9248 938void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 939
940void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
941
942/* ----- HCI Sockets ----- */
eec8d2bc
JH		 943void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
944 struct sock *skip_sk);
1da177e4 945
0381101f
JH		 946/* Management interface */
947int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
744cf19e
JH		 948int mgmt_index_added(struct hci_dev *hdev);
949int mgmt_index_removed(struct hci_dev *hdev);
950int mgmt_powered(struct hci_dev *hdev, u8 powered);
951int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
952int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
953int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
954int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
955 u8 persistent);
afc747a6 956int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
b644ba33
JH		 957 u8 addr_type, u8 *name, u8 name_len,
958 u8 *dev_class);
afc747a6
JH		 959int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
960 u8 link_type, u8 addr_type);
88c3df13
JH		 961int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
962 u8 link_type, u8 addr_type, u8 status);
48264f06
JH		 963int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
964 u8 addr_type, u8 status);
744cf19e
JH		 965int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
966int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
c35938b2 967 u8 status);
744cf19e
JH		 968int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
969 u8 status);
970int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
272d90df
JH		 971 u8 link_type, u8 addr_type, __le32 value,
972 u8 confirm_hint);
744cf19e 973int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
272d90df
JH		 974 u8 link_type, u8 addr_type, u8 status);
975int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
976 u8 link_type, u8 addr_type, u8 status);
977int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
978 u8 link_type, u8 addr_type);
604086b7 979int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
272d90df
JH		 980 u8 link_type, u8 addr_type, u8 status);
981int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
982 u8 link_type, u8 addr_type, u8 status);
744cf19e
JH		 983int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
984int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
985int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
986 u8 *randomizer, u8 status);
48264f06 987int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
561aafbc 988 u8 addr_type, u8 *dev_class, s8 rssi,
e319d2e7 989 u8 cfm_name, u8 *eir, u16 eir_len);
b644ba33
JH		 990int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
991 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
7a135109 992int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
e6d465cb 993int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
744cf19e 994int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
88c1fe4b
JH		 995int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
996int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
0381101f 997
346af67b
VCG		 998int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
999
1da177e4
LT		 1000/* HCI info for socket */
1001#define hci_pi(sk) ((struct hci_pinfo *) sk)
1002
14c0b608
JH		 1003/* HCI socket flags */
1004#define HCI_PI_MGMT_INIT 0
1005
1da177e4
LT		 1006struct hci_pinfo {
1007 struct bt_sock bt;
1008 struct hci_dev *hdev;
1009 struct hci_filter filter;
1010 __u32 cmsg_mask;
c02178d2 1011 unsigned short channel;
14c0b608 1012 unsigned long flags;
1da177e4
LT		 1013};
1014
1015/* HCI security filter */
1016#define HCI_SFLT_MAX_OGF 5
1017
1018struct hci_sec_filter {
1019 __u32 type_mask;
1020 __u32 event_mask[2];
1021 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
1022};
1023
1024/* ----- HCI requests ----- */
1025#define HCI_REQ_DONE 0
1026#define HCI_REQ_PEND 1
1027#define HCI_REQ_CANCELED 2
1028
a6a67efd
TG		 1029#define hci_req_lock(d) mutex_lock(&d->req_lock)
1030#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 1031
23bb5763 1032void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4 1033
2ce603eb
CT		 1034void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
1035 u16 latency, u16 to_multiplier);
a7a595f6
VCG		 1036void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
1037 __u8 ltk[16]);
1038void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
1039void hci_le_ltk_neg_reply(struct hci_conn *conn);
1040
2519a1fc 1041int hci_do_inquiry(struct hci_dev *hdev, u8 length);
023d5049 1042int hci_cancel_inquiry(struct hci_dev *hdev);
28b75a89
AG		 1043int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
1044 int timeout);
2519a1fc 1045
1da177e4 1046#endif /* __HCI_CORE_H */
kernel source for telekom puls (alcatel/mediatek)