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