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