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Bluetooth: A2MP: Create A2MP channel
[linux-2.6-block.git] / include / net / bluetooth / hci_core.h
CommitLineData
04fafe4e 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
04fafe4e
RS		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
04fafe4e
RS		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25#ifndef __HCI_CORE_H
26#define __HCI_CORE_H
27
1da177e4
LT		 28#include <net/bluetooth/hci.h>
29
5e59b791
LAD		 30/* HCI priority */
31#define HCI_PRIO_MAX 7
32
1da177e4 33/* HCI Core structures */
1da177e4
LT		 34struct inquiry_data {
35 bdaddr_t bdaddr;
36 __u8 pscan_rep_mode;
37 __u8 pscan_period_mode;
38 __u8 pscan_mode;
39 __u8 dev_class[3];
1ebb9252 40 __le16 clock_offset;
1da177e4 41 __s8 rssi;
41a96212 42 __u8 ssp_mode;
1da177e4
LT		 43};
44
45struct inquiry_entry {
561aafbc
JH		 46 struct list_head all; /* inq_cache.all */
47 struct list_head list; /* unknown or resolve */
48 enum {
49 NAME_NOT_KNOWN,
50 NAME_NEEDED,
51 NAME_PENDING,
52 NAME_KNOWN,
53 } name_state;
1da177e4
LT		 54 __u32 timestamp;
55 struct inquiry_data data;
56};
57
30883512 58struct discovery_state {
f64b993f 59 int type;
ff9ef578
JH		 60 enum {
61 DISCOVERY_STOPPED,
62 DISCOVERY_STARTING,
343f935b 63 DISCOVERY_FINDING,
30dc78e1 64 DISCOVERY_RESOLVING,
ff9ef578
JH		 65 DISCOVERY_STOPPING,
66 } state;
c3c7ea65 67 struct list_head all; /* All devices found during inquiry */
f64b993f
GP		 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
b899efaf
VCG		 91struct smp_ltk {
92 struct list_head list;
93 bdaddr_t bdaddr;
94 u8 bdaddr_type;
95 u8 authenticated;
96 u8 type;
97 u8 enc_size;
98 __le16 ediv;
99 u8 rand[8];
100 u8 val[16];
101} __packed;
102
55ed8ca1
JH		 103struct link_key {
104 struct list_head list;
105 bdaddr_t bdaddr;
106 u8 type;
9b3b4460 107 u8 val[HCI_LINK_KEY_SIZE];
55ed8ca1
JH		 108 u8 pin_len;
109};
110
2763eda6
SJ		 111struct oob_data {
112 struct list_head list;
113 bdaddr_t bdaddr;
114 u8 hash[16];
115 u8 randomizer[16];
116};
117
76c8686f
AG		 118struct adv_entry {
119 struct list_head list;
120 bdaddr_t bdaddr;
121 u8 bdaddr_type;
122};
123
7ba8b4be
AG		 124struct le_scan_params {
125 u8 type;
126 u16 interval;
127 u16 window;
28b75a89 128 int timeout;
7ba8b4be
AG		 129};
130
490c5bab
JH		 131#define HCI_MAX_SHORT_NAME_LENGTH 10
132
cd4c5391 133#define NUM_REASSEMBLY 4
1da177e4
LT		 134struct hci_dev {
135 struct list_head list;
09fd0de5 136 struct mutex lock;
1da177e4
LT		 137
138 char name[8];
139 unsigned long flags;
140 __u16 id;
c13854ce 141 __u8 bus;
943da25d 142 __u8 dev_type;
1da177e4 143 bdaddr_t bdaddr;
1f6c6378 144 __u8 dev_name[HCI_MAX_NAME_LENGTH];
490c5bab 145 __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
80a1e1db 146 __u8 eir[HCI_MAX_EIR_LENGTH];
a9de9248 147 __u8 dev_class[3];
1aff6f09
JH		 148 __u8 major_class;
149 __u8 minor_class;
1da177e4 150 __u8 features[8];
59e29406 151 __u8 host_features[8];
a9de9248 152 __u8 commands[64];
1143e5a6
MH		 153 __u8 hci_ver;
154 __u16 hci_rev;
d5859e22 155 __u8 lmp_ver;
1143e5a6 156 __u16 manufacturer;
7d69230c 157 __u16 lmp_subver;
1da177e4 158 __u16 voice_setting;
17fa4b9d 159 __u8 io_capability;
91c4e9b1 160 __s8 inq_tx_power;
2b9be137
MH		 161 __u16 devid_source;
162 __u16 devid_vendor;
163 __u16 devid_product;
164 __u16 devid_version;
1da177e4
LT		 165
166 __u16 pkt_type;
5b7f9909 167 __u16 esco_type;
1da177e4
LT		 168 __u16 link_policy;
169 __u16 link_mode;
170
04837f64
MH		 171 __u32 idle_timeout;
172 __u16 sniff_min_interval;
173 __u16 sniff_max_interval;
174
928abaa7
AE		 175 __u8 amp_status;
176 __u32 amp_total_bw;
177 __u32 amp_max_bw;
178 __u32 amp_min_latency;
179 __u32 amp_max_pdu;
180 __u8 amp_type;
181 __u16 amp_pal_cap;
182 __u16 amp_assoc_size;
183 __u32 amp_max_flush_to;
184 __u32 amp_be_flush_to;
185
1e89cffb
AE		 186 __u8 flow_ctl_mode;
187
9f61656a
JH		 188 unsigned int auto_accept_delay;
189
1da177e4
LT		 190 unsigned long quirks;
191
192 atomic_t cmd_cnt;
193 unsigned int acl_cnt;
194 unsigned int sco_cnt;
6ed58ec5 195 unsigned int le_cnt;
1da177e4
LT		 196
197 unsigned int acl_mtu;
198 unsigned int sco_mtu;
6ed58ec5 199 unsigned int le_mtu;
1da177e4
LT		 200 unsigned int acl_pkts;
201 unsigned int sco_pkts;
6ed58ec5 202 unsigned int le_pkts;
1da177e4 203
350ee4cf
AE		 204 __u16 block_len;
205 __u16 block_mtu;
206 __u16 num_blocks;
207 __u16 block_cnt;
208
1da177e4
LT		 209 unsigned long acl_last_tx;
210 unsigned long sco_last_tx;
6ed58ec5 211 unsigned long le_last_tx;
1da177e4 212
f48fd9c8
MH		 213 struct workqueue_struct *workqueue;
214
ab81cbf9 215 struct work_struct power_on;
3243553f 216 struct delayed_work power_off;
ab81cbf9 217
16ab91ab
JH		 218 __u16 discov_timeout;
219 struct delayed_work discov_off;
220
7d78525d
JH		 221 struct delayed_work service_cache;
222
6bd32326 223 struct timer_list cmd_timer;
b78752cc
MH		 224
225 struct work_struct rx_work;
c347b765 226 struct work_struct cmd_work;
3eff45ea 227 struct work_struct tx_work;
1da177e4
LT		 228
229 struct sk_buff_head rx_q;
230 struct sk_buff_head raw_q;
231 struct sk_buff_head cmd_q;
232
233 struct sk_buff *sent_cmd;
cd4c5391 234 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 235
a6a67efd 236 struct mutex req_lock;
1da177e4
LT		 237 wait_queue_head_t req_wait_q;
238 __u32 req_status;
239 __u32 req_result;
a5040efa
JH		 240
241 __u16 init_last_cmd;
1da177e4 242
2e58ef3e
JH		 243 struct list_head mgmt_pending;
244
30883512 245 struct discovery_state discovery;
1da177e4 246 struct hci_conn_hash conn_hash;
ea4bd8ba 247 struct list_head blacklist;
1da177e4 248
2aeb9a1a
JH		 249 struct list_head uuids;
250
55ed8ca1
JH		 251 struct list_head link_keys;
252
b899efaf
VCG		 253 struct list_head long_term_keys;
254
2763eda6
SJ		 255 struct list_head remote_oob_data;
256
1da177e4
LT		 257 struct hci_dev_stats stat;
258
259 struct sk_buff_head driver_init;
260
1da177e4
LT		 261 void *core_data;
262
70f23020 263 atomic_t promisc;
1da177e4 264
ca325f69
MH		 265 struct dentry *debugfs;
266
a91f2e39 267 struct device dev;
1da177e4 268
611b30f7
MH		 269 struct rfkill *rfkill;
270
d23264a8
AG		 271 unsigned long dev_flags;
272
7ba8b4be
AG		 273 struct delayed_work le_scan_disable;
274
28b75a89
AG		 275 struct work_struct le_scan;
276 struct le_scan_params le_scan_params;
277
1da177e4
LT		 278 int (*open)(struct hci_dev *hdev);
279 int (*close)(struct hci_dev *hdev);
280 int (*flush)(struct hci_dev *hdev);
281 int (*send)(struct sk_buff *skb);
1da177e4
LT		 282 void (*notify)(struct hci_dev *hdev, unsigned int evt);
283 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
284};
285
286struct hci_conn {
287 struct list_head list;
288
adc4266d 289 atomic_t refcnt;
adc4266d
SJ		 290
291 bdaddr_t dst;
5a9d0a3f 292 __u8 dst_type;
adc4266d
SJ		 293 __u16 handle;
294 __u16 state;
295 __u8 mode;
296 __u8 type;
a0c808b3 297 bool out;
adc4266d
SJ		 298 __u8 attempt;
299 __u8 dev_class[3];
300 __u8 features[8];
adc4266d
SJ		 301 __u16 interval;
302 __u16 pkt_type;
303 __u16 link_policy;
304 __u32 link_mode;
13d39315 305 __u8 key_type;
adc4266d
SJ		 306 __u8 auth_type;
307 __u8 sec_level;
308 __u8 pending_sec_level;
309 __u8 pin_length;
726b4ffc 310 __u8 enc_key_size;
adc4266d 311 __u8 io_capability;
adc4266d 312 __u16 disc_timeout;
51a8efd7 313 unsigned long flags;
04837f64 314
03b555e1 315 __u8 remote_cap;
03b555e1 316 __u8 remote_auth;
6ec5bcad 317 bool flush_key;
03b555e1 318
adc4266d 319 unsigned int sent;
04837f64 320
1da177e4 321 struct sk_buff_head data_q;
2c33c06a 322 struct list_head chan_list;
1da177e4 323
19c40e3b 324 struct delayed_work disc_work;
04837f64 325 struct timer_list idle_timer;
9f61656a 326 struct timer_list auto_accept_timer;
04837f64 327
b219e3ac 328 struct device dev;
9eba32b8 329 atomic_t devref;
b219e3ac 330
1da177e4
LT		 331 struct hci_dev *hdev;
332 void *l2cap_data;
333 void *sco_data;
2b64d153 334 void *smp_conn;
1da177e4
LT		 335
336 struct hci_conn *link;
e9a416b5
JH		 337
338 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
339 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
340 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 341};
342
73d80deb
LAD		 343struct hci_chan {
344 struct list_head list;
345
346 struct hci_conn *conn;
347 struct sk_buff_head data_q;
348 unsigned int sent;
349};
350
1da177e4
LT		 351extern struct list_head hci_dev_list;
352extern struct list_head hci_cb_list;
353extern rwlock_t hci_dev_list_lock;
354extern rwlock_t hci_cb_list_lock;
355
686ebf28
UF		 356/* ----- HCI interface to upper protocols ----- */
357extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
358extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
359extern int l2cap_disconn_ind(struct hci_conn *hcon);
360extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
361extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
c3c7ea65
GP		 362extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb,
363 u16 flags);
686ebf28
UF		 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;
c3c7ea65
GP		 432 return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
433 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
aa64a8b5
JH		 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
c3c7ea65
GP		 664struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
665 bdaddr_t *bdaddr);
f0358568 666int hci_blacklist_clear(struct hci_dev *hdev);
88c1fe4b
JH		 667int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
668int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
f0358568 669
2aeb9a1a
JH		 670int hci_uuids_clear(struct hci_dev *hdev);
671
55ed8ca1
JH		 672int hci_link_keys_clear(struct hci_dev *hdev);
673struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
d25e28ab 674int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
04124681 675 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
c9839a11
VCG		 676struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
677int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type,
9a006657
AE		 678 int new_key, u8 authenticated, u8 tk[16], u8 enc_size,
679 __le16 ediv, u8 rand[8]);
c9839a11 680struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 681 u8 addr_type);
b899efaf 682int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr);
b899efaf 683int hci_smp_ltks_clear(struct hci_dev *hdev);
55ed8ca1
JH		 684int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
685
2763eda6
SJ		 686int hci_remote_oob_data_clear(struct hci_dev *hdev);
687struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
688 bdaddr_t *bdaddr);
689int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
690 u8 *randomizer);
691int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
692
1da177e4
LT		 693void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
694
76bca880 695int hci_recv_frame(struct sk_buff *skb);
ef222013 696int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 697int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 698
0ac7e700 699void hci_init_sysfs(struct hci_dev *hdev);
ce242970
DH		 700int hci_add_sysfs(struct hci_dev *hdev);
701void hci_del_sysfs(struct hci_dev *hdev);
a67e899c 702void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 703void hci_conn_add_sysfs(struct hci_conn *conn);
704void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 705
6935e0f5 706#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1da177e4
LT		 707
708/* ----- LMP capabilities ----- */
04837f64
MH		 709#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
710#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
711#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
712#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 713#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 714#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 715#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 716#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
5e0452c0 717#define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR))
1da177e4 718
eead27da 719/* ----- Extended LMP capabilities ----- */
59e29406 720#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
eead27da 721
1da177e4 722/* ----- HCI protocols ----- */
5a9d0a3f
WR		 723static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
724 __u8 type)
1da177e4 725{
686ebf28
UF		 726 switch (type) {
727 case ACL_LINK:
728 return l2cap_connect_ind(hdev, bdaddr);
1da177e4 729
686ebf28
UF		 730 case SCO_LINK:
731 case ESCO_LINK:
732 return sco_connect_ind(hdev, bdaddr);
1da177e4 733
686ebf28
UF		 734 default:
735 BT_ERR("unknown link type %d", type);
736 return -EINVAL;
737 }
1da177e4
LT		 738}
739
740static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
741{
686ebf28
UF		 742 switch (conn->type) {
743 case ACL_LINK:
744 case LE_LINK:
745 l2cap_connect_cfm(conn, status);
746 break;
1da177e4 747
686ebf28
UF		 748 case SCO_LINK:
749 case ESCO_LINK:
750 sco_connect_cfm(conn, status);
751 break;
1da177e4 752
686ebf28
UF		 753 default:
754 BT_ERR("unknown link type %d", conn->type);
755 break;
756 }
e9a416b5
JH		 757
758 if (conn->connect_cfm_cb)
759 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 760}
761
2950f21a 762static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4 763{
686ebf28
UF		 764 if (conn->type != ACL_LINK && conn->type != LE_LINK)
765 return HCI_ERROR_REMOTE_USER_TERM;
1da177e4 766
686ebf28 767 return l2cap_disconn_ind(conn);
2950f21a
MH		 768}
769
770static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
771{
686ebf28
UF		 772 switch (conn->type) {
773 case ACL_LINK:
774 case LE_LINK:
775 l2cap_disconn_cfm(conn, reason);
776 break;
2950f21a 777
686ebf28
UF		 778 case SCO_LINK:
779 case ESCO_LINK:
780 sco_disconn_cfm(conn, reason);
781 break;
2950f21a 782
686ebf28
UF		 783 default:
784 BT_ERR("unknown link type %d", conn->type);
785 break;
786 }
e9a416b5
JH		 787
788 if (conn->disconn_cfm_cb)
789 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 790}
791
792static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
793{
8c1b2355
MH		 794 __u8 encrypt;
795
686ebf28
UF		 796 if (conn->type != ACL_LINK && conn->type != LE_LINK)
797 return;
798
51a8efd7 799 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 800 return;
801
802 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
686ebf28 803 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 804
805 if (conn->security_cfm_cb)
806 conn->security_cfm_cb(conn, status);
1da177e4
LT		 807}
808
5a9d0a3f
WR		 809static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
810 __u8 encrypt)
1da177e4 811{
686ebf28
UF		 812 if (conn->type != ACL_LINK && conn->type != LE_LINK)
813 return;
1da177e4 814
686ebf28 815 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 816
817 if (conn->security_cfm_cb)
818 conn->security_cfm_cb(conn, status);
1da177e4
LT		 819}
820
1da177e4
LT		 821/* ----- HCI callbacks ----- */
822struct hci_cb {
823 struct list_head list;
824
825 char *name;
826
5a9d0a3f
WR		 827 void (*security_cfm) (struct hci_conn *conn, __u8 status,
828 __u8 encrypt);
1da177e4
LT		 829 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
830 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
831};
832
833static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
834{
835 struct list_head *p;
8c1b2355 836 __u8 encrypt;
1da177e4
LT		 837
838 hci_proto_auth_cfm(conn, status);
839
51a8efd7 840 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 841 return;
842
843 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
844
f20d09d5 845 read_lock(&hci_cb_list_lock);
1da177e4
LT		 846 list_for_each(p, &hci_cb_list) {
847 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 848 if (cb->security_cfm)
849 cb->security_cfm(conn, status, encrypt);
1da177e4 850 }
f20d09d5 851 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 852}
853
5a9d0a3f
WR		 854static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
855 __u8 encrypt)
1da177e4
LT		 856{
857 struct list_head *p;
858
435fef20
MH		 859 if (conn->sec_level == BT_SECURITY_SDP)
860 conn->sec_level = BT_SECURITY_LOW;
861
88167aed
VCG		 862 if (conn->pending_sec_level > conn->sec_level)
863 conn->sec_level = conn->pending_sec_level;
864
9719f8af 865 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4 866
f20d09d5 867 read_lock(&hci_cb_list_lock);
1da177e4
LT		 868 list_for_each(p, &hci_cb_list) {
869 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 870 if (cb->security_cfm)
871 cb->security_cfm(conn, status, encrypt);
1da177e4 872 }
f20d09d5 873 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 874}
875
876static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
877{
878 struct list_head *p;
879
f20d09d5 880 read_lock(&hci_cb_list_lock);
1da177e4
LT		 881 list_for_each(p, &hci_cb_list) {
882 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
883 if (cb->key_change_cfm)
884 cb->key_change_cfm(conn, status);
885 }
f20d09d5 886 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 887}
888
5a9d0a3f
WR		 889static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
890 __u8 role)
1da177e4
LT		 891{
892 struct list_head *p;
893
f20d09d5 894 read_lock(&hci_cb_list_lock);
1da177e4
LT		 895 list_for_each(p, &hci_cb_list) {
896 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
897 if (cb->role_switch_cfm)
898 cb->role_switch_cfm(conn, status, role);
899 }
f20d09d5 900 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 901}
902
6759a675
JH		 903static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
904{
84d9d071 905 size_t parsed = 0;
6759a675 906
6c0c331e
JH		 907 if (data_len < 2)
908 return false;
909
84d9d071
JH		 910 while (parsed < data_len - 1) {
911 u8 field_len = data[0];
6759a675
JH		 912
913 if (field_len == 0)
914 break;
915
916 parsed += field_len + 1;
917
918 if (parsed > data_len)
919 break;
920
921 if (data[1] == type)
922 return true;
923
924 data += field_len + 1;
925 }
926
927 return false;
928}
929
9d939d94
VA		 930static inline size_t eir_get_length(u8 *eir, size_t eir_len)
931{
932 size_t parsed = 0;
933
934 while (parsed < eir_len) {
935 u8 field_len = eir[0];
936
937 if (field_len == 0)
938 return parsed;
939
940 parsed += field_len + 1;
941 eir += field_len + 1;
942 }
943
944 return eir_len;
945}
946
1dc06093 947static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
04124681 948 u8 data_len)
1dc06093
JH		 949{
950 eir[eir_len++] = sizeof(type) + data_len;
951 eir[eir_len++] = type;
952 memcpy(&eir[eir_len], data, data_len);
953 eir_len += data_len;
954
955 return eir_len;
956}
957
1da177e4
LT		 958int hci_register_cb(struct hci_cb *hcb);
959int hci_unregister_cb(struct hci_cb *hcb);
960
a9de9248 961int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
73d80deb 962void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
0d861d8b 963void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 964
a9de9248 965void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4 966
1da177e4 967/* ----- HCI Sockets ----- */
470fe1b5
MH		 968void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
969void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk);
cd82e61c 970void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
1da177e4 971
040030ef
MH		 972void hci_sock_dev_event(struct hci_dev *hdev, int event);
973
0381101f 974/* Management interface */
591f47f3
AG		 975#define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))
976#define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \
977 BIT(BDADDR_LE_RANDOM))
978#define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \
979 BIT(BDADDR_LE_PUBLIC) | \
980 BIT(BDADDR_LE_RANDOM))
f39799f5 981
0381101f 982int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
744cf19e
JH		 983int mgmt_index_added(struct hci_dev *hdev);
984int mgmt_index_removed(struct hci_dev *hdev);
985int mgmt_powered(struct hci_dev *hdev, u8 powered);
986int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
987int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
988int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
989int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
745c0ce3 990 bool persistent);
afc747a6 991int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681
GP		 992 u8 addr_type, u32 flags, u8 *name, u8 name_len,
993 u8 *dev_class);
afc747a6 994int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 995 u8 link_type, u8 addr_type);
88c3df13 996int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 997 u8 link_type, u8 addr_type, u8 status);
48264f06 998int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 999 u8 addr_type, u8 status);
744cf19e
JH		 1000int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
1001int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1002 u8 status);
744cf19e 1003int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1004 u8 status);
744cf19e 1005int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681
GP		 1006 u8 link_type, u8 addr_type, __le32 value,
1007 u8 confirm_hint);
744cf19e 1008int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1009 u8 link_type, u8 addr_type, u8 status);
272d90df 1010int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1011 u8 link_type, u8 addr_type, u8 status);
272d90df 1012int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1013 u8 link_type, u8 addr_type);
604086b7 1014int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1015 u8 link_type, u8 addr_type, u8 status);
272d90df 1016int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1017 u8 link_type, u8 addr_type, u8 status);
bab73cb6 1018int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 1019 u8 addr_type, u8 status);
33ef95ed 1020int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
c0ecddc2 1021int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
7f9a903c 1022int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
04124681 1023 u8 status);
744cf19e
JH		 1024int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
1025int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
04124681 1026 u8 *randomizer, u8 status);
06199cf8 1027int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
48264f06 1028int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681
GP		 1029 u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name,
1030 u8 ssp, u8 *eir, u16 eir_len);
b644ba33 1031int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 1032 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
7a135109 1033int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
e6d465cb 1034int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
744cf19e 1035int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
5e0452c0 1036int mgmt_interleaved_discovery(struct hci_dev *hdev);
88c1fe4b
JH		 1037int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1038int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
0381101f 1039
346af67b
VCG		 1040int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
1041
1da177e4
LT		 1042/* HCI info for socket */
1043#define hci_pi(sk) ((struct hci_pinfo *) sk)
1044
1045struct hci_pinfo {
1046 struct bt_sock bt;
1047 struct hci_dev *hdev;
1048 struct hci_filter filter;
1049 __u32 cmsg_mask;
c02178d2 1050 unsigned short channel;
1da177e4
LT		 1051};
1052
1053/* HCI security filter */
1054#define HCI_SFLT_MAX_OGF 5
1055
1056struct hci_sec_filter {
1057 __u32 type_mask;
1058 __u32 event_mask[2];
1059 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
1060};
1061
1062/* ----- HCI requests ----- */
1063#define HCI_REQ_DONE 0
1064#define HCI_REQ_PEND 1
1065#define HCI_REQ_CANCELED 2
1066
a6a67efd
TG		 1067#define hci_req_lock(d) mutex_lock(&d->req_lock)
1068#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 1069
23bb5763 1070void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4 1071
2ce603eb
CT		 1072void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
1073 u16 latency, u16 to_multiplier);
a7a595f6
VCG		 1074void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
1075 __u8 ltk[16]);
2519a1fc 1076int hci_do_inquiry(struct hci_dev *hdev, u8 length);
023d5049 1077int hci_cancel_inquiry(struct hci_dev *hdev);
28b75a89 1078int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
04124681 1079 int timeout);
7dbfac1d 1080int hci_cancel_le_scan(struct hci_dev *hdev);
2519a1fc 1081
31f7956c
AG		 1082u8 bdaddr_to_le(u8 bdaddr_type);
1083
1da177e4 1084#endif /* __HCI_CORE_H */
Linux 6.x block layer and io_uring tree(s)