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Commit | Line | Data |
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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 | ||
30 | /* HCI upper protocols */ | |
31 | #define HCI_PROTO_L2CAP 0 | |
32 | #define HCI_PROTO_SCO 1 | |
33 | ||
1da177e4 | 34 | /* HCI Core structures */ |
1da177e4 LT |
35 | struct 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 | ||
46 | struct inquiry_entry { | |
70f23020 | 47 | struct inquiry_entry *next; |
1da177e4 LT |
48 | __u32 timestamp; |
49 | struct inquiry_data data; | |
50 | }; | |
51 | ||
52 | struct inquiry_cache { | |
70f23020 | 53 | spinlock_t lock; |
1da177e4 | 54 | __u32 timestamp; |
70f23020 | 55 | struct inquiry_entry *list; |
1da177e4 LT |
56 | }; |
57 | ||
58 | struct hci_conn_hash { | |
59 | struct list_head list; | |
60 | spinlock_t lock; | |
61 | unsigned int acl_num; | |
62 | unsigned int sco_num; | |
fcd89c09 | 63 | unsigned int le_num; |
1da177e4 LT |
64 | }; |
65 | ||
f0358568 JH |
66 | struct bdaddr_list { |
67 | struct list_head list; | |
68 | bdaddr_t bdaddr; | |
69 | }; | |
2aeb9a1a JH |
70 | |
71 | struct bt_uuid { | |
72 | struct list_head list; | |
73 | u8 uuid[16]; | |
1aff6f09 | 74 | u8 svc_hint; |
2aeb9a1a JH |
75 | }; |
76 | ||
55ed8ca1 JH |
77 | struct link_key { |
78 | struct list_head list; | |
79 | bdaddr_t bdaddr; | |
80 | u8 type; | |
81 | u8 val[16]; | |
82 | u8 pin_len; | |
83 | }; | |
84 | ||
2763eda6 SJ |
85 | struct oob_data { |
86 | struct list_head list; | |
87 | bdaddr_t bdaddr; | |
88 | u8 hash[16]; | |
89 | u8 randomizer[16]; | |
90 | }; | |
91 | ||
76c8686f AG |
92 | struct adv_entry { |
93 | struct list_head list; | |
94 | bdaddr_t bdaddr; | |
95 | u8 bdaddr_type; | |
96 | }; | |
97 | ||
cd4c5391 | 98 | #define NUM_REASSEMBLY 4 |
1da177e4 LT |
99 | struct hci_dev { |
100 | struct list_head list; | |
101 | spinlock_t lock; | |
102 | atomic_t refcnt; | |
103 | ||
104 | char name[8]; | |
105 | unsigned long flags; | |
106 | __u16 id; | |
c13854ce | 107 | __u8 bus; |
943da25d | 108 | __u8 dev_type; |
1da177e4 | 109 | bdaddr_t bdaddr; |
1f6c6378 | 110 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
80a1e1db | 111 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
a9de9248 | 112 | __u8 dev_class[3]; |
1aff6f09 JH |
113 | __u8 major_class; |
114 | __u8 minor_class; | |
1da177e4 | 115 | __u8 features[8]; |
a9de9248 | 116 | __u8 commands[64]; |
333140b5 | 117 | __u8 ssp_mode; |
1143e5a6 MH |
118 | __u8 hci_ver; |
119 | __u16 hci_rev; | |
d5859e22 | 120 | __u8 lmp_ver; |
1143e5a6 | 121 | __u16 manufacturer; |
d5859e22 | 122 | __le16 lmp_subver; |
1da177e4 | 123 | __u16 voice_setting; |
17fa4b9d | 124 | __u8 io_capability; |
1da177e4 LT |
125 | |
126 | __u16 pkt_type; | |
5b7f9909 | 127 | __u16 esco_type; |
1da177e4 LT |
128 | __u16 link_policy; |
129 | __u16 link_mode; | |
130 | ||
04837f64 MH |
131 | __u32 idle_timeout; |
132 | __u16 sniff_min_interval; | |
133 | __u16 sniff_max_interval; | |
134 | ||
9f61656a JH |
135 | unsigned int auto_accept_delay; |
136 | ||
1da177e4 LT |
137 | unsigned long quirks; |
138 | ||
139 | atomic_t cmd_cnt; | |
140 | unsigned int acl_cnt; | |
141 | unsigned int sco_cnt; | |
6ed58ec5 | 142 | unsigned int le_cnt; |
1da177e4 LT |
143 | |
144 | unsigned int acl_mtu; | |
145 | unsigned int sco_mtu; | |
6ed58ec5 | 146 | unsigned int le_mtu; |
1da177e4 LT |
147 | unsigned int acl_pkts; |
148 | unsigned int sco_pkts; | |
6ed58ec5 | 149 | unsigned int le_pkts; |
1da177e4 | 150 | |
1da177e4 LT |
151 | unsigned long acl_last_tx; |
152 | unsigned long sco_last_tx; | |
6ed58ec5 | 153 | unsigned long le_last_tx; |
1da177e4 | 154 | |
f48fd9c8 MH |
155 | struct workqueue_struct *workqueue; |
156 | ||
ab81cbf9 JH |
157 | struct work_struct power_on; |
158 | struct work_struct power_off; | |
159 | struct timer_list off_timer; | |
160 | ||
6bd32326 | 161 | struct timer_list cmd_timer; |
1da177e4 LT |
162 | struct tasklet_struct cmd_task; |
163 | struct tasklet_struct rx_task; | |
164 | struct tasklet_struct tx_task; | |
165 | ||
166 | struct sk_buff_head rx_q; | |
167 | struct sk_buff_head raw_q; | |
168 | struct sk_buff_head cmd_q; | |
169 | ||
170 | struct sk_buff *sent_cmd; | |
cd4c5391 | 171 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
1da177e4 | 172 | |
a6a67efd | 173 | struct mutex req_lock; |
1da177e4 LT |
174 | wait_queue_head_t req_wait_q; |
175 | __u32 req_status; | |
176 | __u32 req_result; | |
a5040efa JH |
177 | |
178 | __u16 init_last_cmd; | |
1da177e4 LT |
179 | |
180 | struct inquiry_cache inq_cache; | |
181 | struct hci_conn_hash conn_hash; | |
ea4bd8ba | 182 | struct list_head blacklist; |
1da177e4 | 183 | |
2aeb9a1a JH |
184 | struct list_head uuids; |
185 | ||
55ed8ca1 JH |
186 | struct list_head link_keys; |
187 | ||
2763eda6 SJ |
188 | struct list_head remote_oob_data; |
189 | ||
76c8686f | 190 | struct list_head adv_entries; |
35815085 | 191 | struct timer_list adv_timer; |
76c8686f | 192 | |
1da177e4 LT |
193 | struct hci_dev_stats stat; |
194 | ||
195 | struct sk_buff_head driver_init; | |
196 | ||
197 | void *driver_data; | |
198 | void *core_data; | |
199 | ||
70f23020 | 200 | atomic_t promisc; |
1da177e4 | 201 | |
ca325f69 MH |
202 | struct dentry *debugfs; |
203 | ||
a91f2e39 MH |
204 | struct device *parent; |
205 | struct device dev; | |
1da177e4 | 206 | |
611b30f7 MH |
207 | struct rfkill *rfkill; |
208 | ||
70f23020 | 209 | struct module *owner; |
1da177e4 LT |
210 | |
211 | int (*open)(struct hci_dev *hdev); | |
212 | int (*close)(struct hci_dev *hdev); | |
213 | int (*flush)(struct hci_dev *hdev); | |
214 | int (*send)(struct sk_buff *skb); | |
215 | void (*destruct)(struct hci_dev *hdev); | |
216 | void (*notify)(struct hci_dev *hdev, unsigned int evt); | |
217 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
218 | }; | |
219 | ||
220 | struct hci_conn { | |
221 | struct list_head list; | |
222 | ||
adc4266d SJ |
223 | atomic_t refcnt; |
224 | spinlock_t lock; | |
225 | ||
226 | bdaddr_t dst; | |
29b7988a | 227 | __u8 dst_type; |
adc4266d SJ |
228 | __u16 handle; |
229 | __u16 state; | |
230 | __u8 mode; | |
231 | __u8 type; | |
232 | __u8 out; | |
233 | __u8 attempt; | |
234 | __u8 dev_class[3]; | |
235 | __u8 features[8]; | |
236 | __u8 ssp_mode; | |
237 | __u16 interval; | |
238 | __u16 pkt_type; | |
239 | __u16 link_policy; | |
240 | __u32 link_mode; | |
13d39315 | 241 | __u8 key_type; |
adc4266d SJ |
242 | __u8 auth_type; |
243 | __u8 sec_level; | |
244 | __u8 pending_sec_level; | |
245 | __u8 pin_length; | |
246 | __u8 io_capability; | |
247 | __u8 power_save; | |
248 | __u16 disc_timeout; | |
249 | unsigned long pend; | |
04837f64 | 250 | |
03b555e1 JH |
251 | __u8 remote_cap; |
252 | __u8 remote_oob; | |
253 | __u8 remote_auth; | |
254 | ||
adc4266d | 255 | unsigned int sent; |
04837f64 | 256 | |
1da177e4 LT |
257 | struct sk_buff_head data_q; |
258 | ||
04837f64 MH |
259 | struct timer_list disc_timer; |
260 | struct timer_list idle_timer; | |
9f61656a | 261 | struct timer_list auto_accept_timer; |
04837f64 | 262 | |
f3784d83 RQ |
263 | struct work_struct work_add; |
264 | struct work_struct work_del; | |
b219e3ac MH |
265 | |
266 | struct device dev; | |
9eba32b8 | 267 | atomic_t devref; |
b219e3ac | 268 | |
1da177e4 LT |
269 | struct hci_dev *hdev; |
270 | void *l2cap_data; | |
271 | void *sco_data; | |
272 | void *priv; | |
273 | ||
274 | struct hci_conn *link; | |
e9a416b5 JH |
275 | |
276 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
277 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
278 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
279 | }; |
280 | ||
281 | extern struct hci_proto *hci_proto[]; | |
282 | extern struct list_head hci_dev_list; | |
283 | extern struct list_head hci_cb_list; | |
284 | extern rwlock_t hci_dev_list_lock; | |
285 | extern rwlock_t hci_cb_list_lock; | |
286 | ||
287 | /* ----- Inquiry cache ----- */ | |
70f23020 AE |
288 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
289 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 LT |
290 | |
291 | #define inquiry_cache_lock(c) spin_lock(&c->lock) | |
292 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) | |
293 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) | |
294 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) | |
295 | ||
296 | static inline void inquiry_cache_init(struct hci_dev *hdev) | |
297 | { | |
298 | struct inquiry_cache *c = &hdev->inq_cache; | |
299 | spin_lock_init(&c->lock); | |
300 | c->list = NULL; | |
301 | } | |
302 | ||
303 | static inline int inquiry_cache_empty(struct hci_dev *hdev) | |
304 | { | |
305 | struct inquiry_cache *c = &hdev->inq_cache; | |
a02cec21 | 306 | return c->list == NULL; |
1da177e4 LT |
307 | } |
308 | ||
309 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
310 | { | |
311 | struct inquiry_cache *c = &hdev->inq_cache; | |
312 | return jiffies - c->timestamp; | |
313 | } | |
314 | ||
315 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
316 | { | |
317 | return jiffies - e->timestamp; | |
318 | } | |
319 | ||
320 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
321 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); | |
322 | ||
323 | /* ----- HCI Connections ----- */ | |
324 | enum { | |
325 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 326 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 327 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
328 | HCI_CONN_RSWITCH_PEND, |
329 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 330 | HCI_CONN_SCO_SETUP_PEND, |
1da177e4 LT |
331 | }; |
332 | ||
333 | static inline void hci_conn_hash_init(struct hci_dev *hdev) | |
334 | { | |
335 | struct hci_conn_hash *h = &hdev->conn_hash; | |
336 | INIT_LIST_HEAD(&h->list); | |
337 | spin_lock_init(&h->lock); | |
338 | h->acl_num = 0; | |
339 | h->sco_num = 0; | |
340 | } | |
341 | ||
342 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
343 | { | |
344 | struct hci_conn_hash *h = &hdev->conn_hash; | |
345 | list_add(&c->list, &h->list); | |
fcd89c09 VT |
346 | switch (c->type) { |
347 | case ACL_LINK: | |
1da177e4 | 348 | h->acl_num++; |
fcd89c09 VT |
349 | break; |
350 | case LE_LINK: | |
351 | h->le_num++; | |
352 | break; | |
353 | case SCO_LINK: | |
354 | case ESCO_LINK: | |
1da177e4 | 355 | h->sco_num++; |
fcd89c09 VT |
356 | break; |
357 | } | |
1da177e4 LT |
358 | } |
359 | ||
360 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
361 | { | |
362 | struct hci_conn_hash *h = &hdev->conn_hash; | |
363 | list_del(&c->list); | |
fcd89c09 VT |
364 | switch (c->type) { |
365 | case ACL_LINK: | |
1da177e4 | 366 | h->acl_num--; |
fcd89c09 VT |
367 | break; |
368 | case LE_LINK: | |
369 | h->le_num--; | |
370 | break; | |
371 | case SCO_LINK: | |
372 | case ESCO_LINK: | |
1da177e4 | 373 | h->sco_num--; |
fcd89c09 VT |
374 | break; |
375 | } | |
1da177e4 LT |
376 | } |
377 | ||
378 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, | |
adc4266d | 379 | __u16 handle) |
1da177e4 LT |
380 | { |
381 | struct hci_conn_hash *h = &hdev->conn_hash; | |
382 | struct list_head *p; | |
383 | struct hci_conn *c; | |
384 | ||
385 | list_for_each(p, &h->list) { | |
386 | c = list_entry(p, struct hci_conn, list); | |
387 | if (c->handle == handle) | |
388 | return c; | |
389 | } | |
390 | return NULL; | |
391 | } | |
392 | ||
393 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 394 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
395 | { |
396 | struct hci_conn_hash *h = &hdev->conn_hash; | |
397 | struct list_head *p; | |
398 | struct hci_conn *c; | |
399 | ||
400 | list_for_each(p, &h->list) { | |
401 | c = list_entry(p, struct hci_conn, list); | |
402 | if (c->type == type && !bacmp(&c->dst, ba)) | |
403 | return c; | |
404 | } | |
405 | return NULL; | |
406 | } | |
407 | ||
4c67bc74 | 408 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 409 | __u8 type, __u16 state) |
4c67bc74 MH |
410 | { |
411 | struct hci_conn_hash *h = &hdev->conn_hash; | |
412 | struct list_head *p; | |
413 | struct hci_conn *c; | |
414 | ||
415 | list_for_each(p, &h->list) { | |
416 | c = list_entry(p, struct hci_conn, list); | |
417 | if (c->type == type && c->state == state) | |
418 | return c; | |
419 | } | |
420 | return NULL; | |
421 | } | |
422 | ||
423 | void hci_acl_connect(struct hci_conn *conn); | |
1da177e4 LT |
424 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
425 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 426 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 427 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
428 | |
429 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
430 | int hci_conn_del(struct hci_conn *conn); |
431 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
432 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 433 | |
8c1b2355 | 434 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); |
e7c29cb1 | 435 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 436 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
0684e5f9 | 437 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 438 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 439 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 440 | |
04837f64 MH |
441 | void hci_conn_enter_active_mode(struct hci_conn *conn); |
442 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); | |
1da177e4 | 443 | |
9eba32b8 MH |
444 | void hci_conn_hold_device(struct hci_conn *conn); |
445 | void hci_conn_put_device(struct hci_conn *conn); | |
446 | ||
1da177e4 LT |
447 | static inline void hci_conn_hold(struct hci_conn *conn) |
448 | { | |
449 | atomic_inc(&conn->refcnt); | |
04837f64 | 450 | del_timer(&conn->disc_timer); |
1da177e4 LT |
451 | } |
452 | ||
453 | static inline void hci_conn_put(struct hci_conn *conn) | |
454 | { | |
455 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 456 | unsigned long timeo; |
1da177e4 | 457 | if (conn->type == ACL_LINK) { |
04837f64 | 458 | del_timer(&conn->idle_timer); |
6ac59344 | 459 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 460 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 461 | if (!conn->out) |
052b30b0 | 462 | timeo *= 2; |
6ac59344 MH |
463 | } else |
464 | timeo = msecs_to_jiffies(10); | |
1da177e4 | 465 | } else |
04837f64 MH |
466 | timeo = msecs_to_jiffies(10); |
467 | mod_timer(&conn->disc_timer, jiffies + timeo); | |
1da177e4 LT |
468 | } |
469 | } | |
470 | ||
1da177e4 LT |
471 | /* ----- HCI Devices ----- */ |
472 | static inline void __hci_dev_put(struct hci_dev *d) | |
473 | { | |
474 | if (atomic_dec_and_test(&d->refcnt)) | |
475 | d->destruct(d); | |
476 | } | |
477 | ||
478 | static inline void hci_dev_put(struct hci_dev *d) | |
04fafe4e | 479 | { |
1da177e4 LT |
480 | __hci_dev_put(d); |
481 | module_put(d->owner); | |
482 | } | |
483 | ||
484 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) | |
485 | { | |
486 | atomic_inc(&d->refcnt); | |
487 | return d; | |
488 | } | |
489 | ||
490 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) | |
491 | { | |
492 | if (try_module_get(d->owner)) | |
493 | return __hci_dev_hold(d); | |
494 | return NULL; | |
495 | } | |
496 | ||
497 | #define hci_dev_lock(d) spin_lock(&d->lock) | |
498 | #define hci_dev_unlock(d) spin_unlock(&d->lock) | |
499 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) | |
500 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) | |
501 | ||
502 | struct hci_dev *hci_dev_get(int index); | |
503 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
504 | ||
505 | struct hci_dev *hci_alloc_dev(void); | |
506 | void hci_free_dev(struct hci_dev *hdev); | |
507 | int hci_register_dev(struct hci_dev *hdev); | |
508 | int hci_unregister_dev(struct hci_dev *hdev); | |
509 | int hci_suspend_dev(struct hci_dev *hdev); | |
510 | int hci_resume_dev(struct hci_dev *hdev); | |
511 | int hci_dev_open(__u16 dev); | |
512 | int hci_dev_close(__u16 dev); | |
513 | int hci_dev_reset(__u16 dev); | |
514 | int hci_dev_reset_stat(__u16 dev); | |
515 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
516 | int hci_get_dev_list(void __user *arg); | |
517 | int hci_get_dev_info(void __user *arg); | |
518 | int hci_get_conn_list(void __user *arg); | |
519 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 520 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
521 | int hci_inquiry(void __user *arg); |
522 | ||
f0358568 JH |
523 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
524 | int hci_blacklist_clear(struct hci_dev *hdev); | |
525 | ||
2aeb9a1a JH |
526 | int hci_uuids_clear(struct hci_dev *hdev); |
527 | ||
55ed8ca1 JH |
528 | int hci_link_keys_clear(struct hci_dev *hdev); |
529 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
d25e28ab JH |
530 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
531 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); | |
55ed8ca1 JH |
532 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
533 | ||
2763eda6 SJ |
534 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
535 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, | |
536 | bdaddr_t *bdaddr); | |
537 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, | |
538 | u8 *randomizer); | |
539 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
540 | ||
35815085 | 541 | #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ |
76c8686f AG |
542 | int hci_adv_entries_clear(struct hci_dev *hdev); |
543 | struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
544 | int hci_add_adv_entry(struct hci_dev *hdev, | |
545 | struct hci_ev_le_advertising_info *ev); | |
546 | ||
ab81cbf9 JH |
547 | void hci_del_off_timer(struct hci_dev *hdev); |
548 | ||
1da177e4 LT |
549 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
550 | ||
76bca880 | 551 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 | 552 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 553 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 554 | |
1da177e4 LT |
555 | int hci_register_sysfs(struct hci_dev *hdev); |
556 | void hci_unregister_sysfs(struct hci_dev *hdev); | |
a67e899c | 557 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
558 | void hci_conn_add_sysfs(struct hci_conn *conn); |
559 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 560 | |
a91f2e39 | 561 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
562 | |
563 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
564 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
565 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
566 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
567 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 568 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 569 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
e702112f | 570 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
6ed58ec5 | 571 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
1da177e4 LT |
572 | |
573 | /* ----- HCI protocols ----- */ | |
574 | struct hci_proto { | |
8c1b2355 | 575 | char *name; |
1da177e4 LT |
576 | unsigned int id; |
577 | unsigned long flags; | |
578 | ||
579 | void *priv; | |
580 | ||
8c1b2355 | 581 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); |
1da177e4 | 582 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); |
2950f21a MH |
583 | int (*disconn_ind) (struct hci_conn *conn); |
584 | int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); | |
1da177e4 LT |
585 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
586 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); | |
8c1b2355 | 587 | int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
1da177e4 LT |
588 | }; |
589 | ||
590 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) | |
591 | { | |
592 | register struct hci_proto *hp; | |
593 | int mask = 0; | |
8c1b2355 | 594 | |
1da177e4 LT |
595 | hp = hci_proto[HCI_PROTO_L2CAP]; |
596 | if (hp && hp->connect_ind) | |
597 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
598 | ||
599 | hp = hci_proto[HCI_PROTO_SCO]; | |
600 | if (hp && hp->connect_ind) | |
601 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
602 | ||
603 | return mask; | |
604 | } | |
605 | ||
606 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
607 | { | |
608 | register struct hci_proto *hp; | |
609 | ||
610 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
611 | if (hp && hp->connect_cfm) | |
612 | hp->connect_cfm(conn, status); | |
613 | ||
614 | hp = hci_proto[HCI_PROTO_SCO]; | |
615 | if (hp && hp->connect_cfm) | |
616 | hp->connect_cfm(conn, status); | |
e9a416b5 JH |
617 | |
618 | if (conn->connect_cfm_cb) | |
619 | conn->connect_cfm_cb(conn, status); | |
1da177e4 LT |
620 | } |
621 | ||
2950f21a | 622 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 LT |
623 | { |
624 | register struct hci_proto *hp; | |
2950f21a | 625 | int reason = 0x13; |
1da177e4 LT |
626 | |
627 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
628 | if (hp && hp->disconn_ind) | |
2950f21a | 629 | reason = hp->disconn_ind(conn); |
1da177e4 LT |
630 | |
631 | hp = hci_proto[HCI_PROTO_SCO]; | |
632 | if (hp && hp->disconn_ind) | |
2950f21a MH |
633 | reason = hp->disconn_ind(conn); |
634 | ||
635 | return reason; | |
636 | } | |
637 | ||
638 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
639 | { | |
640 | register struct hci_proto *hp; | |
641 | ||
642 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
643 | if (hp && hp->disconn_cfm) | |
644 | hp->disconn_cfm(conn, reason); | |
645 | ||
646 | hp = hci_proto[HCI_PROTO_SCO]; | |
647 | if (hp && hp->disconn_cfm) | |
648 | hp->disconn_cfm(conn, reason); | |
e9a416b5 JH |
649 | |
650 | if (conn->disconn_cfm_cb) | |
651 | conn->disconn_cfm_cb(conn, reason); | |
1da177e4 LT |
652 | } |
653 | ||
654 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
655 | { | |
656 | register struct hci_proto *hp; | |
8c1b2355 MH |
657 | __u8 encrypt; |
658 | ||
659 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) | |
660 | return; | |
661 | ||
662 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
1da177e4 LT |
663 | |
664 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
665 | if (hp && hp->security_cfm) |
666 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
667 | |
668 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
669 | if (hp && hp->security_cfm) |
670 | hp->security_cfm(conn, status, encrypt); | |
e9a416b5 JH |
671 | |
672 | if (conn->security_cfm_cb) | |
673 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
674 | } |
675 | ||
9719f8af | 676 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) |
1da177e4 LT |
677 | { |
678 | register struct hci_proto *hp; | |
679 | ||
680 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
681 | if (hp && hp->security_cfm) |
682 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
683 | |
684 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
685 | if (hp && hp->security_cfm) |
686 | hp->security_cfm(conn, status, encrypt); | |
e9a416b5 JH |
687 | |
688 | if (conn->security_cfm_cb) | |
689 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
690 | } |
691 | ||
692 | int hci_register_proto(struct hci_proto *hproto); | |
693 | int hci_unregister_proto(struct hci_proto *hproto); | |
694 | ||
695 | /* ----- HCI callbacks ----- */ | |
696 | struct hci_cb { | |
697 | struct list_head list; | |
698 | ||
699 | char *name; | |
700 | ||
8c1b2355 | 701 | void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
1da177e4 LT |
702 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
703 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
704 | }; | |
705 | ||
706 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
707 | { | |
708 | struct list_head *p; | |
8c1b2355 | 709 | __u8 encrypt; |
1da177e4 LT |
710 | |
711 | hci_proto_auth_cfm(conn, status); | |
712 | ||
8c1b2355 MH |
713 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) |
714 | return; | |
715 | ||
716 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
717 | ||
1da177e4 LT |
718 | read_lock_bh(&hci_cb_list_lock); |
719 | list_for_each(p, &hci_cb_list) { | |
720 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
721 | if (cb->security_cfm) |
722 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
723 | } |
724 | read_unlock_bh(&hci_cb_list_lock); | |
725 | } | |
726 | ||
727 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) | |
728 | { | |
729 | struct list_head *p; | |
730 | ||
435fef20 MH |
731 | if (conn->sec_level == BT_SECURITY_SDP) |
732 | conn->sec_level = BT_SECURITY_LOW; | |
733 | ||
9719f8af | 734 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 LT |
735 | |
736 | read_lock_bh(&hci_cb_list_lock); | |
737 | list_for_each(p, &hci_cb_list) { | |
738 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
739 | if (cb->security_cfm) |
740 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
741 | } |
742 | read_unlock_bh(&hci_cb_list_lock); | |
743 | } | |
744 | ||
745 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
746 | { | |
747 | struct list_head *p; | |
748 | ||
749 | read_lock_bh(&hci_cb_list_lock); | |
750 | list_for_each(p, &hci_cb_list) { | |
751 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
752 | if (cb->key_change_cfm) | |
753 | cb->key_change_cfm(conn, status); | |
754 | } | |
755 | read_unlock_bh(&hci_cb_list_lock); | |
756 | } | |
757 | ||
758 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) | |
759 | { | |
760 | struct list_head *p; | |
761 | ||
762 | read_lock_bh(&hci_cb_list_lock); | |
763 | list_for_each(p, &hci_cb_list) { | |
764 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
765 | if (cb->role_switch_cfm) | |
766 | cb->role_switch_cfm(conn, status, role); | |
767 | } | |
768 | read_unlock_bh(&hci_cb_list_lock); | |
769 | } | |
770 | ||
771 | int hci_register_cb(struct hci_cb *hcb); | |
772 | int hci_unregister_cb(struct hci_cb *hcb); | |
773 | ||
774 | int hci_register_notifier(struct notifier_block *nb); | |
775 | int hci_unregister_notifier(struct notifier_block *nb); | |
776 | ||
a9de9248 | 777 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
9a9c6a34 | 778 | void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
0d861d8b | 779 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 780 | |
a9de9248 | 781 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 LT |
782 | |
783 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
784 | ||
785 | /* ----- HCI Sockets ----- */ | |
eec8d2bc JH |
786 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, |
787 | struct sock *skip_sk); | |
1da177e4 | 788 | |
0381101f JH |
789 | /* Management interface */ |
790 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); | |
c71e97bf JH |
791 | int mgmt_index_added(u16 index); |
792 | int mgmt_index_removed(u16 index); | |
5add6af8 | 793 | int mgmt_powered(u16 index, u8 powered); |
73f22f62 | 794 | int mgmt_discoverable(u16 index, u8 discoverable); |
9fbcbb45 | 795 | int mgmt_connectable(u16 index, u8 connectable); |
4df378a1 | 796 | int mgmt_new_key(u16 index, struct link_key *key, u8 persistent); |
f7520543 JH |
797 | int mgmt_connected(u16 index, bdaddr_t *bdaddr); |
798 | int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); | |
8962ee74 | 799 | int mgmt_disconnect_failed(u16 index); |
17d5c04c | 800 | int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); |
a770bb5a | 801 | int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure); |
980e1a53 JH |
802 | int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
803 | int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); | |
55bc1a37 JH |
804 | int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value, |
805 | u8 confirm_hint); | |
a5c29683 JH |
806 | int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
807 | int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, | |
808 | u8 status); | |
2a611692 | 809 | int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); |
b312b161 | 810 | int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); |
c35938b2 SJ |
811 | int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, |
812 | u8 status); | |
e17acd40 JH |
813 | int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, |
814 | u8 *eir); | |
a88a9652 | 815 | int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name); |
314b2381 | 816 | int mgmt_discovering(u16 index, u8 discovering); |
0381101f | 817 | |
1da177e4 LT |
818 | /* HCI info for socket */ |
819 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
820 | ||
821 | struct hci_pinfo { | |
822 | struct bt_sock bt; | |
823 | struct hci_dev *hdev; | |
824 | struct hci_filter filter; | |
825 | __u32 cmsg_mask; | |
c02178d2 | 826 | unsigned short channel; |
1da177e4 LT |
827 | }; |
828 | ||
829 | /* HCI security filter */ | |
830 | #define HCI_SFLT_MAX_OGF 5 | |
831 | ||
832 | struct hci_sec_filter { | |
833 | __u32 type_mask; | |
834 | __u32 event_mask[2]; | |
835 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
836 | }; | |
837 | ||
838 | /* ----- HCI requests ----- */ | |
839 | #define HCI_REQ_DONE 0 | |
840 | #define HCI_REQ_PEND 1 | |
841 | #define HCI_REQ_CANCELED 2 | |
842 | ||
a6a67efd TG |
843 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
844 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 | 845 | |
23bb5763 | 846 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
1da177e4 | 847 | |
2ce603eb CT |
848 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
849 | u16 latency, u16 to_multiplier); | |
1da177e4 | 850 | #endif /* __HCI_CORE_H */ |