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Bluetooth: Add hci_do_le_scan()
[deliverable/linux.git] / include / net / bluetooth / hci_core.h
CommitLineData
04fafe4e 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
04fafe4e
RS		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
04fafe4e
RS		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25#ifndef __HCI_CORE_H
26#define __HCI_CORE_H
27
a6b7a407 28#include <linux/interrupt.h>
1da177e4
LT		 29#include <net/bluetooth/hci.h>
30
5e59b791
LAD		 31/* HCI priority */
32#define HCI_PRIO_MAX 7
33
1da177e4 34/* HCI Core structures */
1da177e4
LT		 35struct inquiry_data {
36 bdaddr_t bdaddr;
37 __u8 pscan_rep_mode;
38 __u8 pscan_period_mode;
39 __u8 pscan_mode;
40 __u8 dev_class[3];
1ebb9252 41 __le16 clock_offset;
1da177e4 42 __s8 rssi;
41a96212 43 __u8 ssp_mode;
1da177e4
LT		 44};
45
46struct inquiry_entry {
561aafbc
JH		 47 struct list_head all; /* inq_cache.all */
48 struct list_head list; /* unknown or resolve */
49 enum {
50 NAME_NOT_KNOWN,
51 NAME_NEEDED,
52 NAME_PENDING,
53 NAME_KNOWN,
54 } name_state;
1da177e4
LT		 55 __u32 timestamp;
56 struct inquiry_data data;
57};
58
30883512 59struct discovery_state {
ff9ef578
JH		 60 enum {
61 DISCOVERY_STOPPED,
62 DISCOVERY_STARTING,
30dc78e1 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;
129};
130
cd4c5391 131#define NUM_REASSEMBLY 4
1da177e4
LT		 132struct hci_dev {
133 struct list_head list;
09fd0de5 134 struct mutex lock;
1da177e4
LT		 135
136 char name[8];
137 unsigned long flags;
138 __u16 id;
c13854ce 139 __u8 bus;
943da25d 140 __u8 dev_type;
1da177e4 141 bdaddr_t bdaddr;
1f6c6378 142 __u8 dev_name[HCI_MAX_NAME_LENGTH];
80a1e1db 143 __u8 eir[HCI_MAX_EIR_LENGTH];
a9de9248 144 __u8 dev_class[3];
1aff6f09
JH		 145 __u8 major_class;
146 __u8 minor_class;
1da177e4 147 __u8 features[8];
59e29406 148 __u8 host_features[8];
a9de9248 149 __u8 commands[64];
1143e5a6
MH		 150 __u8 hci_ver;
151 __u16 hci_rev;
d5859e22 152 __u8 lmp_ver;
1143e5a6 153 __u16 manufacturer;
d5859e22 154 __le16 lmp_subver;
1da177e4 155 __u16 voice_setting;
17fa4b9d 156 __u8 io_capability;
1da177e4
LT		 157
158 __u16 pkt_type;
5b7f9909 159 __u16 esco_type;
1da177e4
LT		 160 __u16 link_policy;
161 __u16 link_mode;
162
04837f64
MH		 163 __u32 idle_timeout;
164 __u16 sniff_min_interval;
165 __u16 sniff_max_interval;
166
928abaa7
AE		 167 __u8 amp_status;
168 __u32 amp_total_bw;
169 __u32 amp_max_bw;
170 __u32 amp_min_latency;
171 __u32 amp_max_pdu;
172 __u8 amp_type;
173 __u16 amp_pal_cap;
174 __u16 amp_assoc_size;
175 __u32 amp_max_flush_to;
176 __u32 amp_be_flush_to;
177
1e89cffb
AE		 178 __u8 flow_ctl_mode;
179
9f61656a
JH		 180 unsigned int auto_accept_delay;
181
1da177e4
LT		 182 unsigned long quirks;
183
184 atomic_t cmd_cnt;
185 unsigned int acl_cnt;
186 unsigned int sco_cnt;
6ed58ec5 187 unsigned int le_cnt;
1da177e4
LT		 188
189 unsigned int acl_mtu;
190 unsigned int sco_mtu;
6ed58ec5 191 unsigned int le_mtu;
1da177e4
LT		 192 unsigned int acl_pkts;
193 unsigned int sco_pkts;
6ed58ec5 194 unsigned int le_pkts;
1da177e4 195
350ee4cf
AE		 196 __u16 block_len;
197 __u16 block_mtu;
198 __u16 num_blocks;
199 __u16 block_cnt;
200
1da177e4
LT		 201 unsigned long acl_last_tx;
202 unsigned long sco_last_tx;
6ed58ec5 203 unsigned long le_last_tx;
1da177e4 204
f48fd9c8
MH		 205 struct workqueue_struct *workqueue;
206
ab81cbf9 207 struct work_struct power_on;
3243553f 208 struct delayed_work power_off;
ab81cbf9 209
16ab91ab
JH		 210 __u16 discov_timeout;
211 struct delayed_work discov_off;
212
7d78525d
JH		 213 struct delayed_work service_cache;
214
6bd32326 215 struct timer_list cmd_timer;
b78752cc
MH		 216
217 struct work_struct rx_work;
c347b765 218 struct work_struct cmd_work;
3eff45ea 219 struct work_struct tx_work;
1da177e4
LT		 220
221 struct sk_buff_head rx_q;
222 struct sk_buff_head raw_q;
223 struct sk_buff_head cmd_q;
224
225 struct sk_buff *sent_cmd;
cd4c5391 226 struct sk_buff *reassembly[NUM_REASSEMBLY];
1da177e4 227
a6a67efd 228 struct mutex req_lock;
1da177e4
LT		 229 wait_queue_head_t req_wait_q;
230 __u32 req_status;
231 __u32 req_result;
a5040efa
JH		 232
233 __u16 init_last_cmd;
1da177e4 234
2e58ef3e
JH		 235 struct list_head mgmt_pending;
236
30883512 237 struct discovery_state discovery;
1da177e4 238 struct hci_conn_hash conn_hash;
ea4bd8ba 239 struct list_head blacklist;
1da177e4 240
2aeb9a1a
JH		 241 struct list_head uuids;
242
55ed8ca1
JH		 243 struct list_head link_keys;
244
b899efaf
VCG		 245 struct list_head long_term_keys;
246
2763eda6
SJ		 247 struct list_head remote_oob_data;
248
76c8686f 249 struct list_head adv_entries;
db323f2f 250 struct delayed_work adv_work;
76c8686f 251
1da177e4
LT		 252 struct hci_dev_stats stat;
253
254 struct sk_buff_head driver_init;
255
256 void *driver_data;
257 void *core_data;
258
70f23020 259 atomic_t promisc;
1da177e4 260
ca325f69
MH		 261 struct dentry *debugfs;
262
a91f2e39
MH		 263 struct device *parent;
264 struct device dev;
1da177e4 265
611b30f7
MH		 266 struct rfkill *rfkill;
267
d23264a8
AG		 268 unsigned long dev_flags;
269
7ba8b4be
AG		 270 struct delayed_work le_scan_disable;
271
1da177e4
LT		 272 int (*open)(struct hci_dev *hdev);
273 int (*close)(struct hci_dev *hdev);
274 int (*flush)(struct hci_dev *hdev);
275 int (*send)(struct sk_buff *skb);
1da177e4
LT		 276 void (*notify)(struct hci_dev *hdev, unsigned int evt);
277 int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
278};
279
280struct hci_conn {
281 struct list_head list;
282
adc4266d 283 atomic_t refcnt;
adc4266d
SJ		 284
285 bdaddr_t dst;
5a9d0a3f 286 __u8 dst_type;
adc4266d
SJ		 287 __u16 handle;
288 __u16 state;
289 __u8 mode;
290 __u8 type;
a0c808b3 291 bool out;
adc4266d
SJ		 292 __u8 attempt;
293 __u8 dev_class[3];
294 __u8 features[8];
adc4266d
SJ		 295 __u16 interval;
296 __u16 pkt_type;
297 __u16 link_policy;
298 __u32 link_mode;
13d39315 299 __u8 key_type;
adc4266d
SJ		 300 __u8 auth_type;
301 __u8 sec_level;
302 __u8 pending_sec_level;
303 __u8 pin_length;
726b4ffc 304 __u8 enc_key_size;
adc4266d 305 __u8 io_capability;
adc4266d 306 __u16 disc_timeout;
51a8efd7 307 unsigned long flags;
04837f64 308
03b555e1 309 __u8 remote_cap;
03b555e1
JH		 310 __u8 remote_auth;
311
adc4266d 312 unsigned int sent;
04837f64 313
1da177e4 314 struct sk_buff_head data_q;
2c33c06a 315 struct list_head chan_list;
1da177e4 316
19c40e3b 317 struct delayed_work disc_work;
04837f64 318 struct timer_list idle_timer;
9f61656a 319 struct timer_list auto_accept_timer;
04837f64 320
b219e3ac 321 struct device dev;
9eba32b8 322 atomic_t devref;
b219e3ac 323
1da177e4
LT		 324 struct hci_dev *hdev;
325 void *l2cap_data;
326 void *sco_data;
2b64d153 327 void *smp_conn;
1da177e4
LT		 328
329 struct hci_conn *link;
e9a416b5
JH		 330
331 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
332 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
333 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
1da177e4
LT		 334};
335
73d80deb
LAD		 336struct hci_chan {
337 struct list_head list;
338
339 struct hci_conn *conn;
340 struct sk_buff_head data_q;
341 unsigned int sent;
342};
343
1da177e4
LT		 344extern struct list_head hci_dev_list;
345extern struct list_head hci_cb_list;
346extern rwlock_t hci_dev_list_lock;
347extern rwlock_t hci_cb_list_lock;
348
686ebf28
UF		 349/* ----- HCI interface to upper protocols ----- */
350extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
351extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
352extern int l2cap_disconn_ind(struct hci_conn *hcon);
353extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
354extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
355extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
356
357extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
358extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status);
359extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
360extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
361
1da177e4 362/* ----- Inquiry cache ----- */
70f23020
AE		 363#define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
364#define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
1da177e4 365
30883512 366static inline void discovery_init(struct hci_dev *hdev)
1da177e4 367{
ff9ef578 368 hdev->discovery.state = DISCOVERY_STOPPED;
30883512
JH		 369 INIT_LIST_HEAD(&hdev->discovery.all);
370 INIT_LIST_HEAD(&hdev->discovery.unknown);
371 INIT_LIST_HEAD(&hdev->discovery.resolve);
1da177e4
LT		 372}
373
30dc78e1
JH		 374bool hci_discovery_active(struct hci_dev *hdev);
375
ff9ef578
JH		 376void hci_discovery_set_state(struct hci_dev *hdev, int state);
377
1da177e4
LT		 378static inline int inquiry_cache_empty(struct hci_dev *hdev)
379{
30883512 380 return list_empty(&hdev->discovery.all);
1da177e4
LT		 381}
382
383static inline long inquiry_cache_age(struct hci_dev *hdev)
384{
30883512 385 struct discovery_state *c = &hdev->discovery;
1da177e4
LT		 386 return jiffies - c->timestamp;
387}
388
389static inline long inquiry_entry_age(struct inquiry_entry *e)
390{
391 return jiffies - e->timestamp;
392}
393
5a9d0a3f
WR		 394struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
395 bdaddr_t *bdaddr);
561aafbc
JH		 396struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
397 bdaddr_t *bdaddr);
30dc78e1
JH		 398struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
399 bdaddr_t *bdaddr,
400 int state);
a3d4e20a
JH		 401void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
402 struct inquiry_entry *ie);
3175405b 403bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
561aafbc 404 bool name_known);
1da177e4
LT		 405
406/* ----- HCI Connections ----- */
407enum {
408 HCI_CONN_AUTH_PEND,
19f8def0 409 HCI_CONN_REAUTH_PEND,
1da177e4 410 HCI_CONN_ENCRYPT_PEND,
04837f64
MH		 411 HCI_CONN_RSWITCH_PEND,
412 HCI_CONN_MODE_CHANGE_PEND,
e73439d8 413 HCI_CONN_SCO_SETUP_PEND,
d26a2345 414 HCI_CONN_LE_SMP_PEND,
b644ba33 415 HCI_CONN_MGMT_CONNECTED,
58a681ef
JH		 416 HCI_CONN_SSP_ENABLED,
417 HCI_CONN_POWER_SAVE,
418 HCI_CONN_REMOTE_OOB,
1da177e4
LT		 419};
420
aa64a8b5
JH		 421static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
422{
423 struct hci_dev *hdev = conn->hdev;
424 return (test_bit(HCI_SSP_ENABLED, &hdev->flags) &&
425 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags));
426}
427
1da177e4
LT		 428static inline void hci_conn_hash_init(struct hci_dev *hdev)
429{
430 struct hci_conn_hash *h = &hdev->conn_hash;
431 INIT_LIST_HEAD(&h->list);
1da177e4
LT		 432 h->acl_num = 0;
433 h->sco_num = 0;
dc8ed672 434 h->le_num = 0;
1da177e4
LT		 435}
436
437static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
438{
439 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325 440 list_add_rcu(&c->list, &h->list);
fcd89c09
VT		 441 switch (c->type) {
442 case ACL_LINK:
1da177e4 443 h->acl_num++;
fcd89c09
VT		 444 break;
445 case LE_LINK:
446 h->le_num++;
447 break;
448 case SCO_LINK:
449 case ESCO_LINK:
1da177e4 450 h->sco_num++;
fcd89c09
VT		 451 break;
452 }
1da177e4
LT		 453}
454
455static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
456{
457 struct hci_conn_hash *h = &hdev->conn_hash;
bf4c6325
GP		 458
459 list_del_rcu(&c->list);
460 synchronize_rcu();
461
fcd89c09
VT		 462 switch (c->type) {
463 case ACL_LINK:
1da177e4 464 h->acl_num--;
fcd89c09
VT		 465 break;
466 case LE_LINK:
467 h->le_num--;
468 break;
469 case SCO_LINK:
470 case ESCO_LINK:
1da177e4 471 h->sco_num--;
fcd89c09
VT		 472 break;
473 }
1da177e4
LT		 474}
475
52087a79
LAD		 476static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
477{
478 struct hci_conn_hash *h = &hdev->conn_hash;
479 switch (type) {
480 case ACL_LINK:
481 return h->acl_num;
482 case LE_LINK:
483 return h->le_num;
484 case SCO_LINK:
485 case ESCO_LINK:
486 return h->sco_num;
487 default:
488 return 0;
489 }
490}
491
1da177e4 492static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
adc4266d 493 __u16 handle)
1da177e4
LT		 494{
495 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 496 struct hci_conn *c;
497
bf4c6325
GP		 498 rcu_read_lock();
499
500 list_for_each_entry_rcu(c, &h->list, list) {
501 if (c->handle == handle) {
502 rcu_read_unlock();
1da177e4 503 return c;
bf4c6325 504 }
1da177e4 505 }
bf4c6325
GP		 506 rcu_read_unlock();
507
1da177e4
LT		 508 return NULL;
509}
510
511static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
adc4266d 512 __u8 type, bdaddr_t *ba)
1da177e4
LT		 513{
514 struct hci_conn_hash *h = &hdev->conn_hash;
1da177e4
LT		 515 struct hci_conn *c;
516
bf4c6325
GP		 517 rcu_read_lock();
518
519 list_for_each_entry_rcu(c, &h->list, list) {
520 if (c->type == type && !bacmp(&c->dst, ba)) {
521 rcu_read_unlock();
1da177e4 522 return c;
bf4c6325 523 }
1da177e4 524 }
bf4c6325
GP		 525
526 rcu_read_unlock();
527
1da177e4
LT		 528 return NULL;
529}
530
4c67bc74 531static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
adc4266d 532 __u8 type, __u16 state)
4c67bc74
MH		 533{
534 struct hci_conn_hash *h = &hdev->conn_hash;
4c67bc74
MH		 535 struct hci_conn *c;
536
bf4c6325
GP		 537 rcu_read_lock();
538
539 list_for_each_entry_rcu(c, &h->list, list) {
540 if (c->type == type && c->state == state) {
541 rcu_read_unlock();
4c67bc74 542 return c;
bf4c6325 543 }
4c67bc74 544 }
73d80deb 545
bf4c6325 546 rcu_read_unlock();
73d80deb 547
4c67bc74 548 return NULL;
73d80deb
LAD		 549}
550
4c67bc74 551void hci_acl_connect(struct hci_conn *conn);
1da177e4
LT		 552void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
553void hci_add_sco(struct hci_conn *conn, __u16 handle);
b6a0dc82 554void hci_setup_sync(struct hci_conn *conn, __u16 handle);
e73439d8 555void hci_sco_setup(struct hci_conn *conn, __u8 status);
1da177e4
LT		 556
557struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
a9de9248
MH		 558int hci_conn_del(struct hci_conn *conn);
559void hci_conn_hash_flush(struct hci_dev *hdev);
560void hci_conn_check_pending(struct hci_dev *hdev);
1da177e4 561
73d80deb
LAD		 562struct hci_chan *hci_chan_create(struct hci_conn *conn);
563int hci_chan_del(struct hci_chan *chan);
2c33c06a 564void hci_chan_list_flush(struct hci_conn *conn);
73d80deb 565
5a9d0a3f
WR		 566struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
567 __u8 sec_level, __u8 auth_type);
e7c29cb1 568int hci_conn_check_link_mode(struct hci_conn *conn);
b3b1b061 569int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
0684e5f9 570int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
1da177e4 571int hci_conn_change_link_key(struct hci_conn *conn);
8c1b2355 572int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1da177e4 573
14b12d0b 574void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1da177e4 575
9eba32b8
MH		 576void hci_conn_hold_device(struct hci_conn *conn);
577void hci_conn_put_device(struct hci_conn *conn);
578
1da177e4
LT		 579static inline void hci_conn_hold(struct hci_conn *conn)
580{
581 atomic_inc(&conn->refcnt);
2f304d1e 582 cancel_delayed_work(&conn->disc_work);
1da177e4
LT		 583}
584
585static inline void hci_conn_put(struct hci_conn *conn)
586{
587 if (atomic_dec_and_test(&conn->refcnt)) {
04837f64 588 unsigned long timeo;
454d48ff 589 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
04837f64 590 del_timer(&conn->idle_timer);
6ac59344 591 if (conn->state == BT_CONNECTED) {
052b30b0 592 timeo = msecs_to_jiffies(conn->disc_timeout);
6ac59344 593 if (!conn->out)
052b30b0 594 timeo *= 2;
5a9d0a3f 595 } else {
6ac59344 596 timeo = msecs_to_jiffies(10);
5a9d0a3f
WR		 597 }
598 } else {
04837f64 599 timeo = msecs_to_jiffies(10);
5a9d0a3f 600 }
2f304d1e 601 cancel_delayed_work(&conn->disc_work);
19c40e3b 602 queue_delayed_work(conn->hdev->workqueue,
1931782b 603 &conn->disc_work, timeo);
1da177e4
LT		 604 }
605}
606
1da177e4 607/* ----- HCI Devices ----- */
dc946bd8 608static inline void hci_dev_put(struct hci_dev *d)
1da177e4 609{
4c724c71 610 put_device(&d->dev);
1da177e4
LT		 611}
612
dc946bd8 613static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1da177e4 614{
4c724c71 615 get_device(&d->dev);
1da177e4
LT		 616 return d;
617}
618
09fd0de5
GP		 619#define hci_dev_lock(d) mutex_lock(&d->lock)
620#define hci_dev_unlock(d) mutex_unlock(&d->lock)
1da177e4
LT		 621
622struct hci_dev *hci_dev_get(int index);
623struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
624
625struct hci_dev *hci_alloc_dev(void);
626void hci_free_dev(struct hci_dev *hdev);
627int hci_register_dev(struct hci_dev *hdev);
59735631 628void hci_unregister_dev(struct hci_dev *hdev);
1da177e4
LT		 629int hci_suspend_dev(struct hci_dev *hdev);
630int hci_resume_dev(struct hci_dev *hdev);
631int hci_dev_open(__u16 dev);
632int hci_dev_close(__u16 dev);
633int hci_dev_reset(__u16 dev);
634int hci_dev_reset_stat(__u16 dev);
635int hci_dev_cmd(unsigned int cmd, void __user *arg);
636int hci_get_dev_list(void __user *arg);
637int hci_get_dev_info(void __user *arg);
638int hci_get_conn_list(void __user *arg);
639int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
40be492f 640int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1da177e4
LT		 641int hci_inquiry(void __user *arg);
642
f0358568
JH		 643struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr);
644int hci_blacklist_clear(struct hci_dev *hdev);
b2a66aad
AJ		 645int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr);
646int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr);
f0358568 647
2aeb9a1a
JH		 648int hci_uuids_clear(struct hci_dev *hdev);
649
55ed8ca1
JH		 650int hci_link_keys_clear(struct hci_dev *hdev);
651struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
d25e28ab
JH		 652int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
653 bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
c9839a11
VCG		 654struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]);
655int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type,
656 int new_key, u8 authenticated, u8 tk[16],
657 u8 enc_size, u16 ediv, u8 rand[8]);
658struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
659 u8 addr_type);
b899efaf 660int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr);
b899efaf 661int hci_smp_ltks_clear(struct hci_dev *hdev);
55ed8ca1
JH		 662int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
663
2763eda6
SJ		 664int hci_remote_oob_data_clear(struct hci_dev *hdev);
665struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
666 bdaddr_t *bdaddr);
667int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
668 u8 *randomizer);
669int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
670
35815085 671#define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */
76c8686f
AG		 672int hci_adv_entries_clear(struct hci_dev *hdev);
673struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr);
674int hci_add_adv_entry(struct hci_dev *hdev,
675 struct hci_ev_le_advertising_info *ev);
676
ab81cbf9
JH		 677void hci_del_off_timer(struct hci_dev *hdev);
678
1da177e4
LT		 679void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
680
76bca880 681int hci_recv_frame(struct sk_buff *skb);
ef222013 682int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
99811510 683int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
ef222013 684
0ac7e700 685void hci_init_sysfs(struct hci_dev *hdev);
ce242970
DH		 686int hci_add_sysfs(struct hci_dev *hdev);
687void hci_del_sysfs(struct hci_dev *hdev);
a67e899c 688void hci_conn_init_sysfs(struct hci_conn *conn);
b219e3ac
MH		 689void hci_conn_add_sysfs(struct hci_conn *conn);
690void hci_conn_del_sysfs(struct hci_conn *conn);
1da177e4 691
a91f2e39 692#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
1da177e4
LT		 693
694/* ----- LMP capabilities ----- */
04837f64
MH		 695#define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH)
696#define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT)
697#define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF)
698#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
5b7f9909 699#define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO)
769be974 700#define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR)
e702112f 701#define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH)
6ed58ec5 702#define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE)
1da177e4 703
eead27da 704/* ----- Extended LMP capabilities ----- */
59e29406 705#define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE)
eead27da 706
1da177e4 707/* ----- HCI protocols ----- */
5a9d0a3f
WR		 708static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
709 __u8 type)
1da177e4 710{
686ebf28
UF		 711 switch (type) {
712 case ACL_LINK:
713 return l2cap_connect_ind(hdev, bdaddr);
1da177e4 714
686ebf28
UF		 715 case SCO_LINK:
716 case ESCO_LINK:
717 return sco_connect_ind(hdev, bdaddr);
1da177e4 718
686ebf28
UF		 719 default:
720 BT_ERR("unknown link type %d", type);
721 return -EINVAL;
722 }
1da177e4
LT		 723}
724
725static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
726{
686ebf28
UF		 727 switch (conn->type) {
728 case ACL_LINK:
729 case LE_LINK:
730 l2cap_connect_cfm(conn, status);
731 break;
1da177e4 732
686ebf28
UF		 733 case SCO_LINK:
734 case ESCO_LINK:
735 sco_connect_cfm(conn, status);
736 break;
1da177e4 737
686ebf28
UF		 738 default:
739 BT_ERR("unknown link type %d", conn->type);
740 break;
741 }
e9a416b5
JH		 742
743 if (conn->connect_cfm_cb)
744 conn->connect_cfm_cb(conn, status);
1da177e4
LT		 745}
746
2950f21a 747static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1da177e4 748{
686ebf28
UF		 749 if (conn->type != ACL_LINK && conn->type != LE_LINK)
750 return HCI_ERROR_REMOTE_USER_TERM;
1da177e4 751
686ebf28 752 return l2cap_disconn_ind(conn);
2950f21a
MH		 753}
754
755static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
756{
686ebf28
UF		 757 switch (conn->type) {
758 case ACL_LINK:
759 case LE_LINK:
760 l2cap_disconn_cfm(conn, reason);
761 break;
2950f21a 762
686ebf28
UF		 763 case SCO_LINK:
764 case ESCO_LINK:
765 sco_disconn_cfm(conn, reason);
766 break;
2950f21a 767
686ebf28
UF		 768 default:
769 BT_ERR("unknown link type %d", conn->type);
770 break;
771 }
e9a416b5
JH		 772
773 if (conn->disconn_cfm_cb)
774 conn->disconn_cfm_cb(conn, reason);
1da177e4
LT		 775}
776
777static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
778{
8c1b2355
MH		 779 __u8 encrypt;
780
686ebf28
UF		 781 if (conn->type != ACL_LINK && conn->type != LE_LINK)
782 return;
783
51a8efd7 784 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 785 return;
786
787 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
686ebf28 788 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 789
790 if (conn->security_cfm_cb)
791 conn->security_cfm_cb(conn, status);
1da177e4
LT		 792}
793
5a9d0a3f
WR		 794static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
795 __u8 encrypt)
1da177e4 796{
686ebf28
UF		 797 if (conn->type != ACL_LINK && conn->type != LE_LINK)
798 return;
1da177e4 799
686ebf28 800 l2cap_security_cfm(conn, status, encrypt);
e9a416b5
JH		 801
802 if (conn->security_cfm_cb)
803 conn->security_cfm_cb(conn, status);
1da177e4
LT		 804}
805
1da177e4
LT		 806/* ----- HCI callbacks ----- */
807struct hci_cb {
808 struct list_head list;
809
810 char *name;
811
5a9d0a3f
WR		 812 void (*security_cfm) (struct hci_conn *conn, __u8 status,
813 __u8 encrypt);
1da177e4
LT		 814 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
815 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
816};
817
818static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
819{
820 struct list_head *p;
8c1b2355 821 __u8 encrypt;
1da177e4
LT		 822
823 hci_proto_auth_cfm(conn, status);
824
51a8efd7 825 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
8c1b2355
MH		 826 return;
827
828 encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
829
f20d09d5 830 read_lock(&hci_cb_list_lock);
1da177e4
LT		 831 list_for_each(p, &hci_cb_list) {
832 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 833 if (cb->security_cfm)
834 cb->security_cfm(conn, status, encrypt);
1da177e4 835 }
f20d09d5 836 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 837}
838
5a9d0a3f
WR		 839static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
840 __u8 encrypt)
1da177e4
LT		 841{
842 struct list_head *p;
843
435fef20
MH		 844 if (conn->sec_level == BT_SECURITY_SDP)
845 conn->sec_level = BT_SECURITY_LOW;
846
88167aed
VCG		 847 if (conn->pending_sec_level > conn->sec_level)
848 conn->sec_level = conn->pending_sec_level;
849
9719f8af 850 hci_proto_encrypt_cfm(conn, status, encrypt);
1da177e4 851
f20d09d5 852 read_lock(&hci_cb_list_lock);
1da177e4
LT		 853 list_for_each(p, &hci_cb_list) {
854 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
8c1b2355
MH		 855 if (cb->security_cfm)
856 cb->security_cfm(conn, status, encrypt);
1da177e4 857 }
f20d09d5 858 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 859}
860
861static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
862{
863 struct list_head *p;
864
f20d09d5 865 read_lock(&hci_cb_list_lock);
1da177e4
LT		 866 list_for_each(p, &hci_cb_list) {
867 struct hci_cb *cb = list_entry(p, struct hci_cb, list);
868 if (cb->key_change_cfm)
869 cb->key_change_cfm(conn, status);
870 }
f20d09d5 871 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 872}
873
5a9d0a3f
WR		 874static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
875 __u8 role)
1da177e4
LT		 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->role_switch_cfm)
883 cb->role_switch_cfm(conn, status, role);
884 }
f20d09d5 885 read_unlock(&hci_cb_list_lock);
1da177e4
LT		 886}
887
6759a675
JH		 888static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
889{
890 u8 field_len;
891 size_t parsed;
892
893 for (parsed = 0; parsed < data_len - 1; parsed += field_len) {
894 field_len = data[0];
895
896 if (field_len == 0)
897 break;
898
899 parsed += field_len + 1;
900
901 if (parsed > data_len)
902 break;
903
904 if (data[1] == type)
905 return true;
906
907 data += field_len + 1;
908 }
909
910 return false;
911}
912
1dc06093
JH		 913static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
914 u8 data_len)
915{
916 eir[eir_len++] = sizeof(type) + data_len;
917 eir[eir_len++] = type;
918 memcpy(&eir[eir_len], data, data_len);
919 eir_len += data_len;
920
921 return eir_len;
922}
923
1da177e4
LT		 924int hci_register_cb(struct hci_cb *hcb);
925int hci_unregister_cb(struct hci_cb *hcb);
926
927int hci_register_notifier(struct notifier_block *nb);
928int hci_unregister_notifier(struct notifier_block *nb);
929
a9de9248 930int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
73d80deb 931void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
0d861d8b 932void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
1da177e4 933
a9de9248 934void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
1da177e4
LT		 935
936void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data);
937
938/* ----- HCI Sockets ----- */
eec8d2bc
JH		 939void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb,
940 struct sock *skip_sk);
1da177e4 941
0381101f
JH		 942/* Management interface */
943int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
744cf19e
JH		 944int mgmt_index_added(struct hci_dev *hdev);
945int mgmt_index_removed(struct hci_dev *hdev);
946int mgmt_powered(struct hci_dev *hdev, u8 powered);
947int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
948int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
949int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
950int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
951 u8 persistent);
afc747a6 952int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
b644ba33
JH		 953 u8 addr_type, u8 *name, u8 name_len,
954 u8 *dev_class);
afc747a6
JH		 955int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
956 u8 link_type, u8 addr_type);
37d9ef76 957int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
48264f06
JH		 958int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
959 u8 addr_type, u8 status);
744cf19e
JH		 960int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
961int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
c35938b2 962 u8 status);
744cf19e
JH		 963int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
964 u8 status);
965int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
966 __le32 value, u8 confirm_hint);
967int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
968 u8 status);
969int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev,
970 bdaddr_t *bdaddr, u8 status);
604086b7
BG		 971int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr);
972int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
973 u8 status);
974int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev,
975 bdaddr_t *bdaddr, u8 status);
744cf19e
JH		 976int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 status);
977int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
978int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
979 u8 *randomizer, u8 status);
48264f06 980int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
561aafbc 981 u8 addr_type, u8 *dev_class, s8 rssi,
e319d2e7 982 u8 cfm_name, u8 *eir, u16 eir_len);
b644ba33
JH		 983int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
984 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
7a135109 985int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status);
e6d465cb 986int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status);
744cf19e
JH		 987int mgmt_discovering(struct hci_dev *hdev, u8 discovering);
988int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
989int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr);
0381101f 990
346af67b
VCG		 991int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
992
1da177e4
LT		 993/* HCI info for socket */
994#define hci_pi(sk) ((struct hci_pinfo *) sk)
995
14c0b608
JH		 996/* HCI socket flags */
997#define HCI_PI_MGMT_INIT 0
998
1da177e4
LT		 999struct hci_pinfo {
1000 struct bt_sock bt;
1001 struct hci_dev *hdev;
1002 struct hci_filter filter;
1003 __u32 cmsg_mask;
c02178d2 1004 unsigned short channel;
14c0b608 1005 unsigned long flags;
1da177e4
LT		 1006};
1007
1008/* HCI security filter */
1009#define HCI_SFLT_MAX_OGF 5
1010
1011struct hci_sec_filter {
1012 __u32 type_mask;
1013 __u32 event_mask[2];
1014 __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4];
1015};
1016
1017/* ----- HCI requests ----- */
1018#define HCI_REQ_DONE 0
1019#define HCI_REQ_PEND 1
1020#define HCI_REQ_CANCELED 2
1021
a6a67efd
TG		 1022#define hci_req_lock(d) mutex_lock(&d->req_lock)
1023#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
1da177e4 1024
23bb5763 1025void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
1da177e4 1026
2ce603eb
CT		 1027void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
1028 u16 latency, u16 to_multiplier);
a7a595f6
VCG		 1029void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
1030 __u8 ltk[16]);
1031void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]);
1032void hci_le_ltk_neg_reply(struct hci_conn *conn);
1033
2519a1fc 1034int hci_do_inquiry(struct hci_dev *hdev, u8 length);
023d5049 1035int hci_cancel_inquiry(struct hci_dev *hdev);
2519a1fc 1036
1da177e4 1037#endif /* __HCI_CORE_H */
Linux kernel - Deliverables
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