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