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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]; |
971e3a4b | 116 | __u8 extfeatures[8]; |
a9de9248 | 117 | __u8 commands[64]; |
333140b5 | 118 | __u8 ssp_mode; |
1143e5a6 MH |
119 | __u8 hci_ver; |
120 | __u16 hci_rev; | |
d5859e22 | 121 | __u8 lmp_ver; |
1143e5a6 | 122 | __u16 manufacturer; |
d5859e22 | 123 | __le16 lmp_subver; |
1da177e4 | 124 | __u16 voice_setting; |
17fa4b9d | 125 | __u8 io_capability; |
1da177e4 LT |
126 | |
127 | __u16 pkt_type; | |
5b7f9909 | 128 | __u16 esco_type; |
1da177e4 LT |
129 | __u16 link_policy; |
130 | __u16 link_mode; | |
131 | ||
04837f64 MH |
132 | __u32 idle_timeout; |
133 | __u16 sniff_min_interval; | |
134 | __u16 sniff_max_interval; | |
135 | ||
9f61656a JH |
136 | unsigned int auto_accept_delay; |
137 | ||
1da177e4 LT |
138 | unsigned long quirks; |
139 | ||
140 | atomic_t cmd_cnt; | |
141 | unsigned int acl_cnt; | |
142 | unsigned int sco_cnt; | |
6ed58ec5 | 143 | unsigned int le_cnt; |
1da177e4 LT |
144 | |
145 | unsigned int acl_mtu; | |
146 | unsigned int sco_mtu; | |
6ed58ec5 | 147 | unsigned int le_mtu; |
1da177e4 LT |
148 | unsigned int acl_pkts; |
149 | unsigned int sco_pkts; | |
6ed58ec5 | 150 | unsigned int le_pkts; |
1da177e4 | 151 | |
1da177e4 LT |
152 | unsigned long acl_last_tx; |
153 | unsigned long sco_last_tx; | |
6ed58ec5 | 154 | unsigned long le_last_tx; |
1da177e4 | 155 | |
f48fd9c8 MH |
156 | struct workqueue_struct *workqueue; |
157 | ||
ab81cbf9 JH |
158 | struct work_struct power_on; |
159 | struct work_struct power_off; | |
160 | struct timer_list off_timer; | |
161 | ||
6bd32326 | 162 | struct timer_list cmd_timer; |
1da177e4 LT |
163 | struct tasklet_struct cmd_task; |
164 | struct tasklet_struct rx_task; | |
165 | struct tasklet_struct tx_task; | |
166 | ||
167 | struct sk_buff_head rx_q; | |
168 | struct sk_buff_head raw_q; | |
169 | struct sk_buff_head cmd_q; | |
170 | ||
171 | struct sk_buff *sent_cmd; | |
cd4c5391 | 172 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
1da177e4 | 173 | |
a6a67efd | 174 | struct mutex req_lock; |
1da177e4 LT |
175 | wait_queue_head_t req_wait_q; |
176 | __u32 req_status; | |
177 | __u32 req_result; | |
a5040efa JH |
178 | |
179 | __u16 init_last_cmd; | |
1da177e4 | 180 | |
3a0259bb VCG |
181 | struct crypto_blkcipher *tfm; |
182 | ||
1da177e4 LT |
183 | struct inquiry_cache inq_cache; |
184 | struct hci_conn_hash conn_hash; | |
ea4bd8ba | 185 | struct list_head blacklist; |
1da177e4 | 186 | |
2aeb9a1a JH |
187 | struct list_head uuids; |
188 | ||
55ed8ca1 JH |
189 | struct list_head link_keys; |
190 | ||
2763eda6 SJ |
191 | struct list_head remote_oob_data; |
192 | ||
76c8686f | 193 | struct list_head adv_entries; |
35815085 | 194 | struct timer_list adv_timer; |
76c8686f | 195 | |
1da177e4 LT |
196 | struct hci_dev_stats stat; |
197 | ||
198 | struct sk_buff_head driver_init; | |
199 | ||
200 | void *driver_data; | |
201 | void *core_data; | |
202 | ||
70f23020 | 203 | atomic_t promisc; |
1da177e4 | 204 | |
ca325f69 MH |
205 | struct dentry *debugfs; |
206 | ||
a91f2e39 MH |
207 | struct device *parent; |
208 | struct device dev; | |
1da177e4 | 209 | |
611b30f7 MH |
210 | struct rfkill *rfkill; |
211 | ||
70f23020 | 212 | struct module *owner; |
1da177e4 LT |
213 | |
214 | int (*open)(struct hci_dev *hdev); | |
215 | int (*close)(struct hci_dev *hdev); | |
216 | int (*flush)(struct hci_dev *hdev); | |
217 | int (*send)(struct sk_buff *skb); | |
218 | void (*destruct)(struct hci_dev *hdev); | |
219 | void (*notify)(struct hci_dev *hdev, unsigned int evt); | |
220 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
221 | }; | |
222 | ||
223 | struct hci_conn { | |
224 | struct list_head list; | |
225 | ||
adc4266d | 226 | atomic_t refcnt; |
adc4266d SJ |
227 | |
228 | bdaddr_t dst; | |
5a9d0a3f | 229 | __u8 dst_type; |
adc4266d SJ |
230 | __u16 handle; |
231 | __u16 state; | |
232 | __u8 mode; | |
233 | __u8 type; | |
234 | __u8 out; | |
235 | __u8 attempt; | |
236 | __u8 dev_class[3]; | |
237 | __u8 features[8]; | |
238 | __u8 ssp_mode; | |
239 | __u16 interval; | |
240 | __u16 pkt_type; | |
241 | __u16 link_policy; | |
242 | __u32 link_mode; | |
13d39315 | 243 | __u8 key_type; |
adc4266d SJ |
244 | __u8 auth_type; |
245 | __u8 sec_level; | |
246 | __u8 pending_sec_level; | |
247 | __u8 pin_length; | |
248 | __u8 io_capability; | |
249 | __u8 power_save; | |
250 | __u16 disc_timeout; | |
251 | unsigned long pend; | |
a7a595f6 | 252 | __u8 ltk[16]; |
04837f64 | 253 | |
03b555e1 JH |
254 | __u8 remote_cap; |
255 | __u8 remote_oob; | |
256 | __u8 remote_auth; | |
257 | ||
adc4266d | 258 | unsigned int sent; |
04837f64 | 259 | |
1da177e4 LT |
260 | struct sk_buff_head data_q; |
261 | ||
04837f64 MH |
262 | struct timer_list disc_timer; |
263 | struct timer_list idle_timer; | |
9f61656a | 264 | struct timer_list auto_accept_timer; |
04837f64 | 265 | |
f3784d83 RQ |
266 | struct work_struct work_add; |
267 | struct work_struct work_del; | |
b219e3ac MH |
268 | |
269 | struct device dev; | |
9eba32b8 | 270 | atomic_t devref; |
b219e3ac | 271 | |
1da177e4 LT |
272 | struct hci_dev *hdev; |
273 | void *l2cap_data; | |
274 | void *sco_data; | |
1da177e4 LT |
275 | |
276 | struct hci_conn *link; | |
e9a416b5 JH |
277 | |
278 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
279 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
280 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
281 | }; |
282 | ||
283 | extern struct hci_proto *hci_proto[]; | |
284 | extern struct list_head hci_dev_list; | |
285 | extern struct list_head hci_cb_list; | |
286 | extern rwlock_t hci_dev_list_lock; | |
287 | extern rwlock_t hci_cb_list_lock; | |
288 | ||
289 | /* ----- Inquiry cache ----- */ | |
70f23020 AE |
290 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
291 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 LT |
292 | |
293 | #define inquiry_cache_lock(c) spin_lock(&c->lock) | |
294 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) | |
295 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) | |
296 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) | |
297 | ||
298 | static inline void inquiry_cache_init(struct hci_dev *hdev) | |
299 | { | |
300 | struct inquiry_cache *c = &hdev->inq_cache; | |
301 | spin_lock_init(&c->lock); | |
302 | c->list = NULL; | |
303 | } | |
304 | ||
305 | static inline int inquiry_cache_empty(struct hci_dev *hdev) | |
306 | { | |
307 | struct inquiry_cache *c = &hdev->inq_cache; | |
a02cec21 | 308 | return c->list == NULL; |
1da177e4 LT |
309 | } |
310 | ||
311 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
312 | { | |
313 | struct inquiry_cache *c = &hdev->inq_cache; | |
314 | return jiffies - c->timestamp; | |
315 | } | |
316 | ||
317 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
318 | { | |
319 | return jiffies - e->timestamp; | |
320 | } | |
321 | ||
5a9d0a3f WR |
322 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
323 | bdaddr_t *bdaddr); | |
1da177e4 LT |
324 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); |
325 | ||
326 | /* ----- HCI Connections ----- */ | |
327 | enum { | |
328 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 329 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 330 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
331 | HCI_CONN_RSWITCH_PEND, |
332 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 333 | HCI_CONN_SCO_SETUP_PEND, |
1da177e4 LT |
334 | }; |
335 | ||
336 | static inline void hci_conn_hash_init(struct hci_dev *hdev) | |
337 | { | |
338 | struct hci_conn_hash *h = &hdev->conn_hash; | |
339 | INIT_LIST_HEAD(&h->list); | |
340 | spin_lock_init(&h->lock); | |
341 | h->acl_num = 0; | |
342 | h->sco_num = 0; | |
343 | } | |
344 | ||
345 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
346 | { | |
347 | struct hci_conn_hash *h = &hdev->conn_hash; | |
348 | list_add(&c->list, &h->list); | |
fcd89c09 VT |
349 | switch (c->type) { |
350 | case ACL_LINK: | |
1da177e4 | 351 | h->acl_num++; |
fcd89c09 VT |
352 | break; |
353 | case LE_LINK: | |
354 | h->le_num++; | |
355 | break; | |
356 | case SCO_LINK: | |
357 | case ESCO_LINK: | |
1da177e4 | 358 | h->sco_num++; |
fcd89c09 VT |
359 | break; |
360 | } | |
1da177e4 LT |
361 | } |
362 | ||
363 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
364 | { | |
365 | struct hci_conn_hash *h = &hdev->conn_hash; | |
366 | list_del(&c->list); | |
fcd89c09 VT |
367 | switch (c->type) { |
368 | case ACL_LINK: | |
1da177e4 | 369 | h->acl_num--; |
fcd89c09 VT |
370 | break; |
371 | case LE_LINK: | |
372 | h->le_num--; | |
373 | break; | |
374 | case SCO_LINK: | |
375 | case ESCO_LINK: | |
1da177e4 | 376 | h->sco_num--; |
fcd89c09 VT |
377 | break; |
378 | } | |
1da177e4 LT |
379 | } |
380 | ||
381 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, | |
adc4266d | 382 | __u16 handle) |
1da177e4 LT |
383 | { |
384 | struct hci_conn_hash *h = &hdev->conn_hash; | |
385 | struct list_head *p; | |
386 | struct hci_conn *c; | |
387 | ||
388 | list_for_each(p, &h->list) { | |
389 | c = list_entry(p, struct hci_conn, list); | |
390 | if (c->handle == handle) | |
391 | return c; | |
392 | } | |
393 | return NULL; | |
394 | } | |
395 | ||
396 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 397 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
398 | { |
399 | struct hci_conn_hash *h = &hdev->conn_hash; | |
400 | struct list_head *p; | |
401 | struct hci_conn *c; | |
402 | ||
403 | list_for_each(p, &h->list) { | |
404 | c = list_entry(p, struct hci_conn, list); | |
405 | if (c->type == type && !bacmp(&c->dst, ba)) | |
406 | return c; | |
407 | } | |
408 | return NULL; | |
409 | } | |
410 | ||
4c67bc74 | 411 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 412 | __u8 type, __u16 state) |
4c67bc74 MH |
413 | { |
414 | struct hci_conn_hash *h = &hdev->conn_hash; | |
415 | struct list_head *p; | |
416 | struct hci_conn *c; | |
417 | ||
418 | list_for_each(p, &h->list) { | |
419 | c = list_entry(p, struct hci_conn, list); | |
420 | if (c->type == type && c->state == state) | |
421 | return c; | |
422 | } | |
423 | return NULL; | |
424 | } | |
425 | ||
426 | void hci_acl_connect(struct hci_conn *conn); | |
1da177e4 LT |
427 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
428 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 429 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 430 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
431 | |
432 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
433 | int hci_conn_del(struct hci_conn *conn); |
434 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
435 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 436 | |
5a9d0a3f WR |
437 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
438 | __u8 sec_level, __u8 auth_type); | |
e7c29cb1 | 439 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 440 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
0684e5f9 | 441 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 442 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 443 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 444 | |
14b12d0b | 445 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
04837f64 | 446 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); |
1da177e4 | 447 | |
9eba32b8 MH |
448 | void hci_conn_hold_device(struct hci_conn *conn); |
449 | void hci_conn_put_device(struct hci_conn *conn); | |
450 | ||
1da177e4 LT |
451 | static inline void hci_conn_hold(struct hci_conn *conn) |
452 | { | |
453 | atomic_inc(&conn->refcnt); | |
04837f64 | 454 | del_timer(&conn->disc_timer); |
1da177e4 LT |
455 | } |
456 | ||
457 | static inline void hci_conn_put(struct hci_conn *conn) | |
458 | { | |
459 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 460 | unsigned long timeo; |
1da177e4 | 461 | if (conn->type == ACL_LINK) { |
04837f64 | 462 | del_timer(&conn->idle_timer); |
6ac59344 | 463 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 464 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 465 | if (!conn->out) |
052b30b0 | 466 | timeo *= 2; |
5a9d0a3f | 467 | } else { |
6ac59344 | 468 | timeo = msecs_to_jiffies(10); |
5a9d0a3f WR |
469 | } |
470 | } else { | |
04837f64 | 471 | timeo = msecs_to_jiffies(10); |
5a9d0a3f | 472 | } |
04837f64 | 473 | mod_timer(&conn->disc_timer, jiffies + timeo); |
1da177e4 LT |
474 | } |
475 | } | |
476 | ||
1da177e4 LT |
477 | /* ----- HCI Devices ----- */ |
478 | static inline void __hci_dev_put(struct hci_dev *d) | |
479 | { | |
480 | if (atomic_dec_and_test(&d->refcnt)) | |
481 | d->destruct(d); | |
482 | } | |
483 | ||
484 | static inline void hci_dev_put(struct hci_dev *d) | |
04fafe4e | 485 | { |
1da177e4 LT |
486 | __hci_dev_put(d); |
487 | module_put(d->owner); | |
488 | } | |
489 | ||
490 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) | |
491 | { | |
492 | atomic_inc(&d->refcnt); | |
493 | return d; | |
494 | } | |
495 | ||
496 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) | |
497 | { | |
498 | if (try_module_get(d->owner)) | |
499 | return __hci_dev_hold(d); | |
500 | return NULL; | |
501 | } | |
502 | ||
503 | #define hci_dev_lock(d) spin_lock(&d->lock) | |
504 | #define hci_dev_unlock(d) spin_unlock(&d->lock) | |
505 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) | |
506 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) | |
507 | ||
508 | struct hci_dev *hci_dev_get(int index); | |
509 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
510 | ||
511 | struct hci_dev *hci_alloc_dev(void); | |
512 | void hci_free_dev(struct hci_dev *hdev); | |
513 | int hci_register_dev(struct hci_dev *hdev); | |
514 | int hci_unregister_dev(struct hci_dev *hdev); | |
515 | int hci_suspend_dev(struct hci_dev *hdev); | |
516 | int hci_resume_dev(struct hci_dev *hdev); | |
517 | int hci_dev_open(__u16 dev); | |
518 | int hci_dev_close(__u16 dev); | |
519 | int hci_dev_reset(__u16 dev); | |
520 | int hci_dev_reset_stat(__u16 dev); | |
521 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
522 | int hci_get_dev_list(void __user *arg); | |
523 | int hci_get_dev_info(void __user *arg); | |
524 | int hci_get_conn_list(void __user *arg); | |
525 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 526 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
527 | int hci_inquiry(void __user *arg); |
528 | ||
f0358568 JH |
529 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
530 | int hci_blacklist_clear(struct hci_dev *hdev); | |
b2a66aad AJ |
531 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr); |
532 | int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
f0358568 | 533 | |
2aeb9a1a JH |
534 | int hci_uuids_clear(struct hci_dev *hdev); |
535 | ||
55ed8ca1 JH |
536 | int hci_link_keys_clear(struct hci_dev *hdev); |
537 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
d25e28ab JH |
538 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
539 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); | |
55ed8ca1 JH |
540 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
541 | ||
2763eda6 SJ |
542 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
543 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, | |
544 | bdaddr_t *bdaddr); | |
545 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, | |
546 | u8 *randomizer); | |
547 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
548 | ||
35815085 | 549 | #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ |
76c8686f AG |
550 | int hci_adv_entries_clear(struct hci_dev *hdev); |
551 | struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
552 | int hci_add_adv_entry(struct hci_dev *hdev, | |
553 | struct hci_ev_le_advertising_info *ev); | |
554 | ||
ab81cbf9 JH |
555 | void hci_del_off_timer(struct hci_dev *hdev); |
556 | ||
1da177e4 LT |
557 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
558 | ||
76bca880 | 559 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 | 560 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 561 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 562 | |
1da177e4 LT |
563 | int hci_register_sysfs(struct hci_dev *hdev); |
564 | void hci_unregister_sysfs(struct hci_dev *hdev); | |
a67e899c | 565 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
566 | void hci_conn_add_sysfs(struct hci_conn *conn); |
567 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 568 | |
a91f2e39 | 569 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
570 | |
571 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
572 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
573 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
574 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
575 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 576 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 577 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
e702112f | 578 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
6ed58ec5 | 579 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
1da177e4 LT |
580 | |
581 | /* ----- HCI protocols ----- */ | |
582 | struct hci_proto { | |
8c1b2355 | 583 | char *name; |
1da177e4 LT |
584 | unsigned int id; |
585 | unsigned long flags; | |
586 | ||
587 | void *priv; | |
588 | ||
5a9d0a3f WR |
589 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, |
590 | __u8 type); | |
1da177e4 | 591 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); |
2950f21a MH |
592 | int (*disconn_ind) (struct hci_conn *conn); |
593 | int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); | |
5a9d0a3f WR |
594 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, |
595 | __u16 flags); | |
1da177e4 | 596 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); |
5a9d0a3f WR |
597 | int (*security_cfm) (struct hci_conn *conn, __u8 status, |
598 | __u8 encrypt); | |
1da177e4 LT |
599 | }; |
600 | ||
5a9d0a3f WR |
601 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
602 | __u8 type) | |
1da177e4 LT |
603 | { |
604 | register struct hci_proto *hp; | |
605 | int mask = 0; | |
8c1b2355 | 606 | |
1da177e4 LT |
607 | hp = hci_proto[HCI_PROTO_L2CAP]; |
608 | if (hp && hp->connect_ind) | |
609 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
610 | ||
611 | hp = hci_proto[HCI_PROTO_SCO]; | |
612 | if (hp && hp->connect_ind) | |
613 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
614 | ||
615 | return mask; | |
616 | } | |
617 | ||
618 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
619 | { | |
620 | register struct hci_proto *hp; | |
621 | ||
622 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
623 | if (hp && hp->connect_cfm) | |
624 | hp->connect_cfm(conn, status); | |
625 | ||
626 | hp = hci_proto[HCI_PROTO_SCO]; | |
627 | if (hp && hp->connect_cfm) | |
628 | hp->connect_cfm(conn, status); | |
e9a416b5 JH |
629 | |
630 | if (conn->connect_cfm_cb) | |
631 | conn->connect_cfm_cb(conn, status); | |
1da177e4 LT |
632 | } |
633 | ||
2950f21a | 634 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 LT |
635 | { |
636 | register struct hci_proto *hp; | |
2950f21a | 637 | int reason = 0x13; |
1da177e4 LT |
638 | |
639 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
640 | if (hp && hp->disconn_ind) | |
2950f21a | 641 | reason = hp->disconn_ind(conn); |
1da177e4 LT |
642 | |
643 | hp = hci_proto[HCI_PROTO_SCO]; | |
644 | if (hp && hp->disconn_ind) | |
2950f21a MH |
645 | reason = hp->disconn_ind(conn); |
646 | ||
647 | return reason; | |
648 | } | |
649 | ||
650 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
651 | { | |
652 | register struct hci_proto *hp; | |
653 | ||
654 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
655 | if (hp && hp->disconn_cfm) | |
656 | hp->disconn_cfm(conn, reason); | |
657 | ||
658 | hp = hci_proto[HCI_PROTO_SCO]; | |
659 | if (hp && hp->disconn_cfm) | |
660 | hp->disconn_cfm(conn, reason); | |
e9a416b5 JH |
661 | |
662 | if (conn->disconn_cfm_cb) | |
663 | conn->disconn_cfm_cb(conn, reason); | |
1da177e4 LT |
664 | } |
665 | ||
666 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
667 | { | |
668 | register struct hci_proto *hp; | |
8c1b2355 MH |
669 | __u8 encrypt; |
670 | ||
671 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) | |
672 | return; | |
673 | ||
674 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
1da177e4 LT |
675 | |
676 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
677 | if (hp && hp->security_cfm) |
678 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
679 | |
680 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
681 | if (hp && hp->security_cfm) |
682 | hp->security_cfm(conn, status, encrypt); | |
e9a416b5 JH |
683 | |
684 | if (conn->security_cfm_cb) | |
685 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
686 | } |
687 | ||
5a9d0a3f WR |
688 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
689 | __u8 encrypt) | |
1da177e4 LT |
690 | { |
691 | register struct hci_proto *hp; | |
692 | ||
693 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
694 | if (hp && hp->security_cfm) |
695 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
696 | |
697 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
698 | if (hp && hp->security_cfm) |
699 | hp->security_cfm(conn, status, encrypt); | |
e9a416b5 JH |
700 | |
701 | if (conn->security_cfm_cb) | |
702 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
703 | } |
704 | ||
705 | int hci_register_proto(struct hci_proto *hproto); | |
706 | int hci_unregister_proto(struct hci_proto *hproto); | |
707 | ||
708 | /* ----- HCI callbacks ----- */ | |
709 | struct hci_cb { | |
710 | struct list_head list; | |
711 | ||
712 | char *name; | |
713 | ||
5a9d0a3f WR |
714 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
715 | __u8 encrypt); | |
1da177e4 LT |
716 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
717 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
718 | }; | |
719 | ||
720 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
721 | { | |
722 | struct list_head *p; | |
8c1b2355 | 723 | __u8 encrypt; |
1da177e4 LT |
724 | |
725 | hci_proto_auth_cfm(conn, status); | |
726 | ||
8c1b2355 MH |
727 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) |
728 | return; | |
729 | ||
730 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
731 | ||
1da177e4 LT |
732 | read_lock_bh(&hci_cb_list_lock); |
733 | list_for_each(p, &hci_cb_list) { | |
734 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
735 | if (cb->security_cfm) |
736 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
737 | } |
738 | read_unlock_bh(&hci_cb_list_lock); | |
739 | } | |
740 | ||
5a9d0a3f WR |
741 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
742 | __u8 encrypt) | |
1da177e4 LT |
743 | { |
744 | struct list_head *p; | |
745 | ||
435fef20 MH |
746 | if (conn->sec_level == BT_SECURITY_SDP) |
747 | conn->sec_level = BT_SECURITY_LOW; | |
748 | ||
88167aed VCG |
749 | if (conn->pending_sec_level > conn->sec_level) |
750 | conn->sec_level = conn->pending_sec_level; | |
751 | ||
9719f8af | 752 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 LT |
753 | |
754 | read_lock_bh(&hci_cb_list_lock); | |
755 | list_for_each(p, &hci_cb_list) { | |
756 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
757 | if (cb->security_cfm) |
758 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
759 | } |
760 | read_unlock_bh(&hci_cb_list_lock); | |
761 | } | |
762 | ||
763 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
764 | { | |
765 | struct list_head *p; | |
766 | ||
767 | read_lock_bh(&hci_cb_list_lock); | |
768 | list_for_each(p, &hci_cb_list) { | |
769 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
770 | if (cb->key_change_cfm) | |
771 | cb->key_change_cfm(conn, status); | |
772 | } | |
773 | read_unlock_bh(&hci_cb_list_lock); | |
774 | } | |
775 | ||
5a9d0a3f WR |
776 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
777 | __u8 role) | |
1da177e4 LT |
778 | { |
779 | struct list_head *p; | |
780 | ||
781 | read_lock_bh(&hci_cb_list_lock); | |
782 | list_for_each(p, &hci_cb_list) { | |
783 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
784 | if (cb->role_switch_cfm) | |
785 | cb->role_switch_cfm(conn, status, role); | |
786 | } | |
787 | read_unlock_bh(&hci_cb_list_lock); | |
788 | } | |
789 | ||
790 | int hci_register_cb(struct hci_cb *hcb); | |
791 | int hci_unregister_cb(struct hci_cb *hcb); | |
792 | ||
793 | int hci_register_notifier(struct notifier_block *nb); | |
794 | int hci_unregister_notifier(struct notifier_block *nb); | |
795 | ||
a9de9248 | 796 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
9a9c6a34 | 797 | void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
0d861d8b | 798 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 799 | |
a9de9248 | 800 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 LT |
801 | |
802 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
803 | ||
804 | /* ----- HCI Sockets ----- */ | |
eec8d2bc JH |
805 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, |
806 | struct sock *skip_sk); | |
1da177e4 | 807 | |
0381101f JH |
808 | /* Management interface */ |
809 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); | |
c71e97bf JH |
810 | int mgmt_index_added(u16 index); |
811 | int mgmt_index_removed(u16 index); | |
5add6af8 | 812 | int mgmt_powered(u16 index, u8 powered); |
73f22f62 | 813 | int mgmt_discoverable(u16 index, u8 discoverable); |
9fbcbb45 | 814 | int mgmt_connectable(u16 index, u8 connectable); |
4df378a1 | 815 | int mgmt_new_key(u16 index, struct link_key *key, u8 persistent); |
f7520543 JH |
816 | int mgmt_connected(u16 index, bdaddr_t *bdaddr); |
817 | int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); | |
8962ee74 | 818 | int mgmt_disconnect_failed(u16 index); |
17d5c04c | 819 | int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); |
a770bb5a | 820 | int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure); |
980e1a53 JH |
821 | int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
822 | int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); | |
55bc1a37 JH |
823 | int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value, |
824 | u8 confirm_hint); | |
a5c29683 JH |
825 | int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
826 | int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, | |
827 | u8 status); | |
2a611692 | 828 | int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); |
b312b161 | 829 | int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); |
c35938b2 SJ |
830 | int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, |
831 | u8 status); | |
e17acd40 JH |
832 | int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, |
833 | u8 *eir); | |
a88a9652 | 834 | int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name); |
314b2381 | 835 | int mgmt_discovering(u16 index, u8 discovering); |
0381101f | 836 | |
1da177e4 LT |
837 | /* HCI info for socket */ |
838 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
839 | ||
840 | struct hci_pinfo { | |
841 | struct bt_sock bt; | |
842 | struct hci_dev *hdev; | |
843 | struct hci_filter filter; | |
844 | __u32 cmsg_mask; | |
c02178d2 | 845 | unsigned short channel; |
1da177e4 LT |
846 | }; |
847 | ||
848 | /* HCI security filter */ | |
849 | #define HCI_SFLT_MAX_OGF 5 | |
850 | ||
851 | struct hci_sec_filter { | |
852 | __u32 type_mask; | |
853 | __u32 event_mask[2]; | |
854 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
855 | }; | |
856 | ||
857 | /* ----- HCI requests ----- */ | |
858 | #define HCI_REQ_DONE 0 | |
859 | #define HCI_REQ_PEND 1 | |
860 | #define HCI_REQ_CANCELED 2 | |
861 | ||
a6a67efd TG |
862 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
863 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 | 864 | |
23bb5763 | 865 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
1da177e4 | 866 | |
2ce603eb CT |
867 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
868 | u16 latency, u16 to_multiplier); | |
a7a595f6 VCG |
869 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], |
870 | __u8 ltk[16]); | |
871 | void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); | |
872 | void hci_le_ltk_neg_reply(struct hci_conn *conn); | |
873 | ||
1da177e4 | 874 | #endif /* __HCI_CORE_H */ |