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Bluetooth: Remove 'register' usage from the subsystem
[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 {
f64b993f 60 int type;
ff9ef578
JH		 61 enum {
62 DISCOVERY_STOPPED,
63 DISCOVERY_STARTING,
343f935b 64 DISCOVERY_FINDING,
30dc78e1 65 DISCOVERY_RESOLVING,
ff9ef578
JH		 66 DISCOVERY_STOPPING,
67 } state;
f64b993f
GP		 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;
9b3b4460 108 u8 val[HCI_LINK_KEY_SIZE];
55ed8ca1
JH		 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
490c5bab
JH		 132#define HCI_MAX_SHORT_NAME_LENGTH 10
133
cd4c5391 134#define NUM_REASSEMBLY 4
1da177e4
LT		 135struct hci_dev {
136 struct list_head list;
09fd0de5 137 struct mutex lock;
1da177e4
LT		 138
139 char name[8];
140 unsigned long flags;
141 __u16 id;
c13854ce 142 __u8 bus;
943da25d 143 __u8 dev_type;
1da177e4 144 bdaddr_t bdaddr;
1f6c6378 145 __u8 dev_name[HCI_MAX_NAME_LENGTH];
490c5bab 146 __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
80a1e1db 147 __u8 eir[HCI_MAX_EIR_LENGTH];
a9de9248 148 __u8 dev_class[3];
1aff6f09
JH		 149 __u8 major_class;
150 __u8 minor_class;
1da177e4 151 __u8 features[8];
59e29406 152 __u8 host_features[8];
a9de9248 153 __u8 commands[64];
1143e5a6
MH		 154 __u8 hci_ver;
155 __u16 hci_rev;
d5859e22 156 __u8 lmp_ver;
1143e5a6 157 __u16 manufacturer;
7d69230c 158 __u16 lmp_subver;
1da177e4 159 __u16 voice_setting;
17fa4b9d 160 __u8 io_capability;
91c4e9b1 161 __s8 inq_tx_power;
2b9be137
MH		 162 __u16 devid_source;
163 __u16 devid_vendor;
164 __u16 devid_product;
165 __u16 devid_version;
1da177e4
LT		 166
167 __u16 pkt_type;
5b7f9909 168 __u16 esco_type;
1da177e4
LT		 169 __u16 link_policy;
170 __u16 link_mode;
171
04837f64
MH		 172 __u32 idle_timeout;
173 __u16 sniff_min_interval;
174 __u16 sniff_max_interval;
175
928abaa7
AE		 176 __u8 amp_status;
177 __u32 amp_total_bw;
178 __u32 amp_max_bw;
179 __u32 amp_min_latency;
180 __u32 amp_max_pdu;
181 __u8 amp_type;
182 __u16 amp_pal_cap;
183 __u16 amp_assoc_size;
184 __u32 amp_max_flush_to;
185 __u32 amp_be_flush_to;
186
1e89cffb
AE		 187 __u8 flow_ctl_mode;
188
9f61656a
JH		 189 unsigned int auto_accept_delay;
190
1da177e4
LT		 191 unsigned long quirks;
192
193 atomic_t cmd_cnt;
194 unsigned int acl_cnt;
195 unsigned int sco_cnt;
6ed58ec5 196 unsigned int le_cnt;
1da177e4
LT		 197
198 unsigned int acl_mtu;
199 unsigned int sco_mtu;
6ed58ec5 200 unsigned int le_mtu;
1da177e4
LT		 201 unsigned int acl_pkts;
202 unsigned int sco_pkts;
6ed58ec5 203 unsigned int le_pkts;
1da177e4 204
350ee4cf
AE		 205 __u16 block_len;
206 __u16 block_mtu;
207 __u16 num_blocks;
208 __u16 block_cnt;
209
1da177e4
LT		 210 unsigned long acl_last_tx;
211 unsigned long sco_last_tx;
6ed58ec5 212 unsigned long le_last_tx;
1da177e4 213
f48fd9c8
MH		 214 struct workqueue_struct *workqueue;
215
ab81cbf9 216 struct work_struct power_on;
3243553f 217 struct delayed_work power_off;
ab81cbf9 218
16ab91ab
JH		 219 __u16 discov_timeout;
220 struct delayed_work discov_off;
221
7d78525d
JH		 222 struct delayed_work service_cache;
223
6bd32326 224 struct timer_list cmd_timer;
b78752cc
MH		 225
226 struct work_struct rx_work;
c347b765 227 struct work_struct cmd_work;
3eff45ea 228 struct work_struct tx_work;
1da177e4
LT		 229
230 struct sk_buff_head rx_q;
231 struct sk_buff_head raw_q;
232 struct sk_buff_head cmd_q;
233
234 struct sk_buff *sent_cmd;
cd4c5391 235 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 236
a6a67efd 237 struct mutex req_lock;
1da177e4
LT		 238 wait_queue_head_t req_wait_q;
239 __u32 req_status;
240 __u32 req_result;
a5040efa
JH		 241
242 __u16 init_last_cmd;
1da177e4 243
2e58ef3e
JH		 244 struct list_head mgmt_pending;
245
30883512 246 struct discovery_state discovery;
1da177e4 247 struct hci_conn_hash conn_hash;
ea4bd8ba 248 struct list_head blacklist;
1da177e4 249
2aeb9a1a
JH		 250 struct list_head uuids;
251
55ed8ca1
JH		 252 struct list_head link_keys;
253
b899efaf
VCG		 254 struct list_head long_term_keys;
255
2763eda6
SJ		 256 struct list_head remote_oob_data;
257
1da177e4
LT		 258 struct hci_dev_stats stat;
259
260 struct sk_buff_head driver_init;
261
1da177e4
LT		 262 void *core_data;
263
70f23020 264 atomic_t promisc;
1da177e4 265
ca325f69
MH		 266 struct dentry *debugfs;
267
a91f2e39 268 struct device dev;
1da177e4 269
611b30f7
MH		 270 struct rfkill *rfkill;
271
d23264a8
AG		 272 unsigned long dev_flags;
273
7ba8b4be
AG		 274 struct delayed_work le_scan_disable;
275
28b75a89
AG		 276 struct work_struct le_scan;
277 struct le_scan_params le_scan_params;
278
1da177e4
LT		 279 int (*open)(struct hci_dev *hdev);
280 int (*close)(struct hci_dev *hdev);
281 int (*flush)(struct hci_dev *hdev);
282 int (*send)(struct sk_buff *skb);
1da177e4
LT		 283 void (*notify)(struct hci_dev *hdev, unsigned int evt);
284 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
285};
286
287struct hci_conn {
288 struct list_head list;
289
adc4266d 290 atomic_t refcnt;
adc4266d
SJ		 291
292 bdaddr_t dst;
5a9d0a3f 293 __u8 dst_type;
adc4266d
SJ		 294 __u16 handle;
295 __u16 state;
296 __u8 mode;
297 __u8 type;
a0c808b3 298 bool out;
adc4266d
SJ		 299 __u8 attempt;
300 __u8 dev_class[3];
301 __u8 features[8];
adc4266d
SJ		 302 __u16 interval;
303 __u16 pkt_type;
304 __u16 link_policy;
305 __u32 link_mode;
13d39315 306 __u8 key_type;
adc4266d
SJ		 307 __u8 auth_type;
308 __u8 sec_level;
309 __u8 pending_sec_level;
310 __u8 pin_length;
726b4ffc 311 __u8 enc_key_size;
adc4266d 312 __u8 io_capability;
adc4266d 313 __u16 disc_timeout;
51a8efd7 314 unsigned long flags;
04837f64 315
03b555e1 316 __u8 remote_cap;
03b555e1 317 __u8 remote_auth;
6ec5bcad 318 bool flush_key;
03b555e1 319
adc4266d 320 unsigned int sent;
04837f64 321
1da177e4 322 struct sk_buff_head data_q;
2c33c06a 323 struct list_head chan_list;
1da177e4 324
19c40e3b 325 struct delayed_work disc_work;
04837f64 326 struct timer_list idle_timer;
9f61656a 327 struct timer_list auto_accept_timer;
04837f64 328
b219e3ac 329 struct device dev;
9eba32b8 330 atomic_t devref;
b219e3ac 331
1da177e4
LT		 332 struct hci_dev *hdev;
333 void *l2cap_data;
334 void *sco_data;
2b64d153 335 void *smp_conn;
1da177e4
LT		 336
337 struct hci_conn *link;
e9a416b5
JH		 338
339 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
340 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
341 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 342};
343
73d80deb
LAD		 344struct hci_chan {
345 struct list_head list;
346
347 struct hci_conn *conn;
348 struct sk_buff_head data_q;
349 unsigned int sent;
350};
351
1da177e4
LT		 352extern struct list_head hci_dev_list;
353extern struct list_head hci_cb_list;
354extern rwlock_t hci_dev_list_lock;
355extern rwlock_t hci_cb_list_lock;
356
686ebf28
UF		 357/* ----- HCI interface to upper protocols ----- */
358extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
359extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
360extern int l2cap_disconn_ind(struct hci_conn *hcon);
361extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
362extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
363extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
364
365extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
366extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status);
367extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
368extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
369
1da177e4 370/* ----- Inquiry cache ----- */
70f23020
AE		 371#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
372#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4 373
30883512 374static inline void discovery_init(struct hci_dev *hdev)
1da177e4 375{
ff9ef578 376 hdev->discovery.state = DISCOVERY_STOPPED;
30883512
JH		 377 INIT_LIST_HEAD(&hdev->discovery.all);
378 INIT_LIST_HEAD(&hdev->discovery.unknown);
379 INIT_LIST_HEAD(&hdev->discovery.resolve);
1da177e4
LT		 380}
381
30dc78e1
JH		 382bool hci_discovery_active(struct hci_dev *hdev);
383
ff9ef578
JH		 384void hci_discovery_set_state(struct hci_dev *hdev, int state);
385
1da177e4
LT		 386static inline int inquiry_cache_empty(struct hci_dev *hdev)
387{
30883512 388 return list_empty(&hdev->discovery.all);
1da177e4
LT		 389}
390
391static inline long inquiry_cache_age(struct hci_dev *hdev)
392{
30883512 393 struct discovery_state *c = &hdev->discovery;
1da177e4
LT		 394 return jiffies - c->timestamp;
395}
396
397static inline long inquiry_entry_age(struct inquiry_entry *e)
398{
399 return jiffies - e->timestamp;
400}
401
5a9d0a3f 402struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
04124681 403 bdaddr_t *bdaddr);
561aafbc 404struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
04124681 405 bdaddr_t *bdaddr);
30dc78e1 406struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
04124681
GP		 407 bdaddr_t *bdaddr,
408 int state);
a3d4e20a 409void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
04124681 410 struct inquiry_entry *ie);
3175405b 411bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
04124681 412 bool name_known, bool *ssp);
1da177e4
LT		 413
414/* ----- HCI Connections ----- */
415enum {
416 HCI_CONN_AUTH_PEND,
19f8def0 417 HCI_CONN_REAUTH_PEND,
1da177e4 418 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 419 HCI_CONN_RSWITCH_PEND,
420 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 421 HCI_CONN_SCO_SETUP_PEND,
d26a2345 422 HCI_CONN_LE_SMP_PEND,
b644ba33 423 HCI_CONN_MGMT_CONNECTED,
58a681ef
JH		 424 HCI_CONN_SSP_ENABLED,
425 HCI_CONN_POWER_SAVE,
426 HCI_CONN_REMOTE_OOB,
1da177e4
LT		 427};
428
aa64a8b5
JH		 429static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
430{
431 struct hci_dev *hdev = conn->hdev;
3f17790c 432 return (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
aa64a8b5
JH		 433 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags));
434}
435
1da177e4
LT		 436static inline void hci_conn_hash_init(struct hci_dev *hdev)
437{
438 struct hci_conn_hash *h = &hdev->conn_hash;
439 INIT_LIST_HEAD(&h->list);
1da177e4
LT		 440 h->acl_num = 0;
441 h->sco_num = 0;
dc8ed672 442 h->le_num = 0;
1da177e4
LT		 443}
444
445static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
446{
447 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325 448 list_add_rcu(&c->list, &h->list);
fcd89c09
VT		 449 switch (c->type) {
450 case ACL_LINK:
1da177e4 451 h->acl_num++;
fcd89c09
VT		 452 break;
453 case LE_LINK:
454 h->le_num++;
455 break;
456 case SCO_LINK:
457 case ESCO_LINK:
1da177e4 458 h->sco_num++;
fcd89c09
VT		 459 break;
460 }
1da177e4
LT		 461}
462
463static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
464{
465 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325
GP		 466
467 list_del_rcu(&c->list);
468 synchronize_rcu();
469
fcd89c09
VT		 470 switch (c->type) {
471 case ACL_LINK:
1da177e4 472 h->acl_num--;
fcd89c09
VT		 473 break;
474 case LE_LINK:
475 h->le_num--;
476 break;
477 case SCO_LINK:
478 case ESCO_LINK:
1da177e4 479 h->sco_num--;
fcd89c09
VT		 480 break;
481 }
1da177e4
LT		 482}
483
52087a79
LAD		 484static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
485{
486 struct hci_conn_hash *h = &hdev->conn_hash;
487 switch (type) {
488 case ACL_LINK:
489 return h->acl_num;
490 case LE_LINK:
491 return h->le_num;
492 case SCO_LINK:
493 case ESCO_LINK:
494 return h->sco_num;
495 default:
496 return 0;
497 }
498}
499
1da177e4 500static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
adc4266d 501 __u16 handle)
1da177e4
LT		 502{
503 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 504 struct hci_conn *c;
505
bf4c6325
GP		 506 rcu_read_lock();
507
508 list_for_each_entry_rcu(c, &h->list, list) {
509 if (c->handle == handle) {
510 rcu_read_unlock();
1da177e4 511 return c;
bf4c6325 512 }
1da177e4 513 }
bf4c6325
GP		 514 rcu_read_unlock();
515
1da177e4
LT		 516 return NULL;
517}
518
519static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
adc4266d 520 __u8 type, bdaddr_t *ba)
1da177e4
LT		 521{
522 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 523 struct hci_conn *c;
524
bf4c6325
GP		 525 rcu_read_lock();
526
527 list_for_each_entry_rcu(c, &h->list, list) {
528 if (c->type == type && !bacmp(&c->dst, ba)) {
529 rcu_read_unlock();
1da177e4 530 return c;
bf4c6325 531 }
1da177e4 532 }
bf4c6325
GP		 533
534 rcu_read_unlock();
535
1da177e4
LT		 536 return NULL;
537}
538
4c67bc74 539static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
adc4266d 540 __u8 type, __u16 state)
4c67bc74
MH		 541{
542 struct hci_conn_hash *h = &hdev->conn_hash;
4c67bc74
MH		 543 struct hci_conn *c;
544
bf4c6325
GP		 545 rcu_read_lock();
546
547 list_for_each_entry_rcu(c, &h->list, list) {
548 if (c->type == type && c->state == state) {
549 rcu_read_unlock();
4c67bc74 550 return c;
bf4c6325 551 }
4c67bc74 552 }
73d80deb 553
bf4c6325 554 rcu_read_unlock();
73d80deb 555
4c67bc74 556 return NULL;
73d80deb
LAD		 557}
558
4c67bc74 559void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 560void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
561void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 562void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 563void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT		 564
565struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 566int hci_conn_del(struct hci_conn *conn);
567void hci_conn_hash_flush(struct hci_dev *hdev);
568void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 569
73d80deb
LAD		 570struct hci_chan *hci_chan_create(struct hci_conn *conn);
571int hci_chan_del(struct hci_chan *chan);
2c33c06a 572void hci_chan_list_flush(struct hci_conn *conn);
73d80deb 573
5a9d0a3f 574struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
b12f62cf 575 __u8 dst_type, __u8 sec_level, __u8 auth_type);
e7c29cb1 576int hci_conn_check_link_mode(struct hci_conn *conn);
b3b1b061 577int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
0684e5f9 578int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 579int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 580int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 581
14b12d0b 582void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1da177e4 583
9eba32b8
MH		 584void hci_conn_hold_device(struct hci_conn *conn);
585void hci_conn_put_device(struct hci_conn *conn);
586
1da177e4
LT		 587static inline void hci_conn_hold(struct hci_conn *conn)
588{
589 atomic_inc(&conn->refcnt);
2f304d1e 590 cancel_delayed_work(&conn->disc_work);
1da177e4
LT		 591}
592
593static inline void hci_conn_put(struct hci_conn *conn)
594{
595 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 596 unsigned long timeo;
454d48ff 597 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
04837f64 598 del_timer(&conn->idle_timer);
6ac59344 599 if (conn->state == BT_CONNECTED) {
052b30b0 600 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 601 if (!conn->out)
052b30b0 602 timeo *= 2;
5a9d0a3f 603 } else {
6ac59344 604 timeo = msecs_to_jiffies(10);
5a9d0a3f
WR		 605 }
606 } else {
04837f64 607 timeo = msecs_to_jiffies(10);
5a9d0a3f 608 }
2f304d1e 609 cancel_delayed_work(&conn->disc_work);
19c40e3b 610 queue_delayed_work(conn->hdev->workqueue,
1931782b 611 &conn->disc_work, timeo);
1da177e4
LT		 612 }
613}
614
1da177e4 615/* ----- HCI Devices ----- */
dc946bd8 616static inline void hci_dev_put(struct hci_dev *d)
1da177e4 617{
4c724c71 618 put_device(&d->dev);
1da177e4
LT		 619}
620
dc946bd8 621static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1da177e4 622{
4c724c71 623 get_device(&d->dev);
1da177e4
LT		 624 return d;
625}
626
09fd0de5
GP		 627#define hci_dev_lock(d) mutex_lock(&d->lock)
628#define hci_dev_unlock(d) mutex_unlock(&d->lock)
1da177e4 629
aa2b86d7 630#define to_hci_dev(d) container_of(d, struct hci_dev, dev)
3dc07322 631#define to_hci_conn(c) container_of(c, struct hci_conn, dev)
aa2b86d7 632
155961e8
DH		 633static inline void *hci_get_drvdata(struct hci_dev *hdev)
634{
635 return dev_get_drvdata(&hdev->dev);
636}
637
638static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
639{
640 dev_set_drvdata(&hdev->dev, data);
641}
642
1da177e4
LT		 643struct hci_dev *hci_dev_get(int index);
644struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
645
646struct hci_dev *hci_alloc_dev(void);
647void hci_free_dev(struct hci_dev *hdev);
648int hci_register_dev(struct hci_dev *hdev);
59735631 649void hci_unregister_dev(struct hci_dev *hdev);
1da177e4
LT		 650int hci_suspend_dev(struct hci_dev *hdev);
651int hci_resume_dev(struct hci_dev *hdev);
652int hci_dev_open(__u16 dev);
653int hci_dev_close(__u16 dev);
654int hci_dev_reset(__u16 dev);
655int hci_dev_reset_stat(__u16 dev);
656int hci_dev_cmd(unsigned int cmd, void __user *arg);
657int hci_get_dev_list(void __user *arg);
658int hci_get_dev_info(void __user *arg);
659int hci_get_conn_list(void __user *arg);
660int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 661int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 662int hci_inquiry(void __user *arg);
663
f0358568
JH		 664struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
665int hci_blacklist_clear(struct hci_dev *hdev);
88c1fe4b
JH		 666int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
667int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
f0358568 668
2aeb9a1a
JH		 669int hci_uuids_clear(struct hci_dev *hdev);
670
55ed8ca1
JH		 671int hci_link_keys_clear(struct hci_dev *hdev);
672struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
d25e28ab 673int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
04124681 674 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
c9839a11
VCG		 675struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
676int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type,
9a006657
AE		 677 int new_key, u8 authenticated, u8 tk[16], u8 enc_size,
678 __le16 ediv, u8 rand[8]);
c9839a11 679struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 680 u8 addr_type);
b899efaf 681int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr);
b899efaf 682int hci_smp_ltks_clear(struct hci_dev *hdev);
55ed8ca1
JH		 683int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
684
2763eda6
SJ		 685int hci_remote_oob_data_clear(struct hci_dev *hdev);
686struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
687 bdaddr_t *bdaddr);
688int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
689 u8 *randomizer);
690int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
691
1da177e4
LT		 692void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
693
76bca880 694int hci_recv_frame(struct sk_buff *skb);
ef222013 695int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 696int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 697
0ac7e700 698void hci_init_sysfs(struct hci_dev *hdev);
ce242970
DH		 699int hci_add_sysfs(struct hci_dev *hdev);
700void hci_del_sysfs(struct hci_dev *hdev);
a67e899c 701void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 702void hci_conn_add_sysfs(struct hci_conn *conn);
703void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 704
6935e0f5 705#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1da177e4
LT		 706
707/* ----- LMP capabilities ----- */
04837f64
MH		 708#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
709#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
710#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
711#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 712#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 713#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 714#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 715#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
5e0452c0 716#define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR))
1da177e4 717
eead27da 718/* ----- Extended LMP capabilities ----- */
59e29406 719#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
eead27da 720
1da177e4 721/* ----- HCI protocols ----- */
5a9d0a3f
WR		 722static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
723 __u8 type)
1da177e4 724{
686ebf28
UF		 725 switch (type) {
726 case ACL_LINK:
727 return l2cap_connect_ind(hdev, bdaddr);
1da177e4 728
686ebf28
UF		 729 case SCO_LINK:
730 case ESCO_LINK:
731 return sco_connect_ind(hdev, bdaddr);
1da177e4 732
686ebf28
UF		 733 default:
734 BT_ERR("unknown link type %d", type);
735 return -EINVAL;
736 }
1da177e4
LT		 737}
738
739static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
740{
686ebf28
UF		 741 switch (conn->type) {
742 case ACL_LINK:
743 case LE_LINK:
744 l2cap_connect_cfm(conn, status);
745 break;
1da177e4 746
686ebf28
UF		 747 case SCO_LINK:
748 case ESCO_LINK:
749 sco_connect_cfm(conn, status);
750 break;
1da177e4 751
686ebf28
UF		 752 default:
753 BT_ERR("unknown link type %d", conn->type);
754 break;
755 }
e9a416b5
JH		 756
757 if (conn->connect_cfm_cb)
758 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 759}
760
2950f21a 761static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4 762{
686ebf28
UF		 763 if (conn->type != ACL_LINK && conn->type != LE_LINK)
764 return HCI_ERROR_REMOTE_USER_TERM;
1da177e4 765
686ebf28 766 return l2cap_disconn_ind(conn);
2950f21a
MH		 767}
768
769static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
770{
686ebf28
UF		 771 switch (conn->type) {
772 case ACL_LINK:
773 case LE_LINK:
774 l2cap_disconn_cfm(conn, reason);
775 break;
2950f21a 776
686ebf28
UF		 777 case SCO_LINK:
778 case ESCO_LINK:
779 sco_disconn_cfm(conn, reason);
780 break;
2950f21a 781
686ebf28
UF		 782 default:
783 BT_ERR("unknown link type %d", conn->type);
784 break;
785 }
e9a416b5
JH		 786
787 if (conn->disconn_cfm_cb)
788 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 789}
790
791static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
792{
8c1b2355
MH		 793 __u8 encrypt;
794
686ebf28
UF		 795 if (conn->type != ACL_LINK && conn->type != LE_LINK)
796 return;
797
51a8efd7 798 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 799 return;
800
801 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
686ebf28 802 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 803
804 if (conn->security_cfm_cb)
805 conn->security_cfm_cb(conn, status);
1da177e4
LT		 806}
807
5a9d0a3f
WR		 808static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
809 __u8 encrypt)
1da177e4 810{
686ebf28
UF		 811 if (conn->type != ACL_LINK && conn->type != LE_LINK)
812 return;
1da177e4 813
686ebf28 814 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 815
816 if (conn->security_cfm_cb)
817 conn->security_cfm_cb(conn, status);
1da177e4
LT		 818}
819
1da177e4
LT		 820/* ----- HCI callbacks ----- */
821struct hci_cb {
822 struct list_head list;
823
824 char *name;
825
5a9d0a3f
WR		 826 void (*security_cfm) (struct hci_conn *conn, __u8 status,
827 __u8 encrypt);
1da177e4
LT		 828 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
829 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
830};
831
832static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
833{
834 struct list_head *p;
8c1b2355 835 __u8 encrypt;
1da177e4
LT		 836
837 hci_proto_auth_cfm(conn, status);
838
51a8efd7 839 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 840 return;
841
842 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
843
f20d09d5 844 read_lock(&hci_cb_list_lock);
1da177e4
LT		 845 list_for_each(p, &hci_cb_list) {
846 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 847 if (cb->security_cfm)
848 cb->security_cfm(conn, status, encrypt);
1da177e4 849 }
f20d09d5 850 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 851}
852
5a9d0a3f
WR		 853static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
854 __u8 encrypt)
1da177e4
LT		 855{
856 struct list_head *p;
857
435fef20
MH		 858 if (conn->sec_level == BT_SECURITY_SDP)
859 conn->sec_level = BT_SECURITY_LOW;
860
88167aed
VCG		 861 if (conn->pending_sec_level > conn->sec_level)
862 conn->sec_level = conn->pending_sec_level;
863
9719f8af 864 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4 865
f20d09d5 866 read_lock(&hci_cb_list_lock);
1da177e4
LT		 867 list_for_each(p, &hci_cb_list) {
868 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 869 if (cb->security_cfm)
870 cb->security_cfm(conn, status, encrypt);
1da177e4 871 }
f20d09d5 872 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 873}
874
875static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
876{
877 struct list_head *p;
878
f20d09d5 879 read_lock(&hci_cb_list_lock);
1da177e4
LT		 880 list_for_each(p, &hci_cb_list) {
881 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
882 if (cb->key_change_cfm)
883 cb->key_change_cfm(conn, status);
884 }
f20d09d5 885 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 886}
887
5a9d0a3f
WR		 888static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
889 __u8 role)
1da177e4
LT		 890{
891 struct list_head *p;
892
f20d09d5 893 read_lock(&hci_cb_list_lock);
1da177e4
LT		 894 list_for_each(p, &hci_cb_list) {
895 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
896 if (cb->role_switch_cfm)
897 cb->role_switch_cfm(conn, status, role);
898 }
f20d09d5 899 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 900}
901
6759a675
JH		 902static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
903{
84d9d071 904 size_t parsed = 0;
6759a675 905
6c0c331e
JH		 906 if (data_len < 2)
907 return false;
908
84d9d071
JH		 909 while (parsed < data_len - 1) {
910 u8 field_len = data[0];
6759a675
JH		 911
912 if (field_len == 0)
913 break;
914
915 parsed += field_len + 1;
916
917 if (parsed > data_len)
918 break;
919
920 if (data[1] == type)
921 return true;
922
923 data += field_len + 1;
924 }
925
926 return false;
927}
928
9d939d94
VA		 929static inline size_t eir_get_length(u8 *eir, size_t eir_len)
930{
931 size_t parsed = 0;
932
933 while (parsed < eir_len) {
934 u8 field_len = eir[0];
935
936 if (field_len == 0)
937 return parsed;
938
939 parsed += field_len + 1;
940 eir += field_len + 1;
941 }
942
943 return eir_len;
944}
945
1dc06093 946static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
04124681 947 u8 data_len)
1dc06093
JH		 948{
949 eir[eir_len++] = sizeof(type) + data_len;
950 eir[eir_len++] = type;
951 memcpy(&eir[eir_len], data, data_len);
952 eir_len += data_len;
953
954 return eir_len;
955}
956
1da177e4
LT		 957int hci_register_cb(struct hci_cb *hcb);
958int hci_unregister_cb(struct hci_cb *hcb);
959
a9de9248 960int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
73d80deb 961void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
0d861d8b 962void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 963
a9de9248 964void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4 965
1da177e4 966/* ----- HCI Sockets ----- */
470fe1b5
MH		 967void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
968void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk);
cd82e61c 969void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
1da177e4 970
040030ef
MH		 971void hci_sock_dev_event(struct hci_dev *hdev, int event);
972
0381101f 973/* Management interface */
591f47f3
AG		 974#define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))
975#define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \
976 BIT(BDADDR_LE_RANDOM))
977#define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \
978 BIT(BDADDR_LE_PUBLIC) | \
979 BIT(BDADDR_LE_RANDOM))
f39799f5 980
0381101f 981int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
744cf19e
JH		 982int mgmt_index_added(struct hci_dev *hdev);
983int mgmt_index_removed(struct hci_dev *hdev);
984int mgmt_powered(struct hci_dev *hdev, u8 powered);
985int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
986int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
987int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
988int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
745c0ce3 989 bool persistent);
afc747a6 990int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681
GP		 991 u8 addr_type, u32 flags, u8 *name, u8 name_len,
992 u8 *dev_class);
afc747a6 993int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 994 u8 link_type, u8 addr_type);
88c3df13 995int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 996 u8 link_type, u8 addr_type, u8 status);
48264f06 997int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 998 u8 addr_type, u8 status);
744cf19e
JH		 999int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
1000int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1001 u8 status);
744cf19e 1002int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1003 u8 status);
744cf19e 1004int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681
GP		 1005 u8 link_type, u8 addr_type, __le32 value,
1006 u8 confirm_hint);
744cf19e 1007int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1008 u8 link_type, u8 addr_type, u8 status);
272d90df 1009int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1010 u8 link_type, u8 addr_type, u8 status);
272d90df 1011int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1012 u8 link_type, u8 addr_type);
604086b7 1013int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1014 u8 link_type, u8 addr_type, u8 status);
272d90df 1015int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1016 u8 link_type, u8 addr_type, u8 status);
bab73cb6 1017int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 1018 u8 addr_type, u8 status);
33ef95ed 1019int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
c0ecddc2 1020int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
7f9a903c 1021int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
04124681 1022 u8 status);
744cf19e
JH		 1023int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
1024int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
04124681 1025 u8 *randomizer, u8 status);
06199cf8 1026int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
48264f06 1027int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681
GP		 1028 u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name,
1029 u8 ssp, u8 *eir, u16 eir_len);
b644ba33 1030int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 1031 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
7a135109 1032int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
e6d465cb 1033int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
744cf19e 1034int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
5e0452c0 1035int mgmt_interleaved_discovery(struct hci_dev *hdev);
88c1fe4b
JH		 1036int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1037int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
0381101f 1038
346af67b
VCG		 1039int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
1040
1da177e4
LT		 1041/* HCI info for socket */
1042#define hci_pi(sk) ((struct hci_pinfo *) sk)
1043
1044struct hci_pinfo {
1045 struct bt_sock bt;
1046 struct hci_dev *hdev;
1047 struct hci_filter filter;
1048 __u32 cmsg_mask;
c02178d2 1049 unsigned short channel;
1da177e4
LT		 1050};
1051
1052/* HCI security filter */
1053#define HCI_SFLT_MAX_OGF 5
1054
1055struct hci_sec_filter {
1056 __u32 type_mask;
1057 __u32 event_mask[2];
1058 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
1059};
1060
1061/* ----- HCI requests ----- */
1062#define HCI_REQ_DONE 0
1063#define HCI_REQ_PEND 1
1064#define HCI_REQ_CANCELED 2
1065
a6a67efd
TG		 1066#define hci_req_lock(d) mutex_lock(&d->req_lock)
1067#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 1068
23bb5763 1069void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4 1070
2ce603eb
CT		 1071void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
1072 u16 latency, u16 to_multiplier);
a7a595f6
VCG		 1073void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
1074 __u8 ltk[16]);
2519a1fc 1075int hci_do_inquiry(struct hci_dev *hdev, u8 length);
023d5049 1076int hci_cancel_inquiry(struct hci_dev *hdev);
28b75a89 1077int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
04124681 1078 int timeout);
7dbfac1d 1079int hci_cancel_le_scan(struct hci_dev *hdev);
2519a1fc 1080
31f7956c
AG		 1081u8 bdaddr_to_le(u8 bdaddr_type);
1082
1da177e4 1083#endif /* __HCI_CORE_H */
kernel source for telekom puls (alcatel/mediatek)