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Commit | Line | Data |
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04fafe4e | 1 | /* |
1da177e4 | 2 | BlueZ - Bluetooth protocol stack for Linux |
2d0a0346 | 3 | Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
1da177e4 LT |
4 | |
5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
04fafe4e RS |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
1da177e4 LT |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
19 | ||
04fafe4e RS |
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
22 | SOFTWARE IS DISCLAIMED. |
23 | */ | |
24 | ||
25 | #ifndef __HCI_CORE_H | |
26 | #define __HCI_CORE_H | |
27 | ||
1da177e4 LT |
28 | #include <net/bluetooth/hci.h> |
29 | ||
30 | /* HCI upper protocols */ | |
31 | #define HCI_PROTO_L2CAP 0 | |
32 | #define HCI_PROTO_SCO 1 | |
33 | ||
1da177e4 | 34 | /* HCI Core structures */ |
1da177e4 LT |
35 | struct inquiry_data { |
36 | bdaddr_t bdaddr; | |
37 | __u8 pscan_rep_mode; | |
38 | __u8 pscan_period_mode; | |
39 | __u8 pscan_mode; | |
40 | __u8 dev_class[3]; | |
1ebb9252 | 41 | __le16 clock_offset; |
1da177e4 | 42 | __s8 rssi; |
41a96212 | 43 | __u8 ssp_mode; |
1da177e4 LT |
44 | }; |
45 | ||
46 | struct inquiry_entry { | |
70f23020 | 47 | struct inquiry_entry *next; |
1da177e4 LT |
48 | __u32 timestamp; |
49 | struct inquiry_data data; | |
50 | }; | |
51 | ||
52 | struct inquiry_cache { | |
70f23020 | 53 | spinlock_t lock; |
1da177e4 | 54 | __u32 timestamp; |
70f23020 | 55 | struct inquiry_entry *list; |
1da177e4 LT |
56 | }; |
57 | ||
58 | struct hci_conn_hash { | |
59 | struct list_head list; | |
60 | spinlock_t lock; | |
61 | unsigned int acl_num; | |
62 | unsigned int sco_num; | |
fcd89c09 | 63 | unsigned int le_num; |
1da177e4 LT |
64 | }; |
65 | ||
f0358568 JH |
66 | struct bdaddr_list { |
67 | struct list_head list; | |
68 | bdaddr_t bdaddr; | |
69 | }; | |
2aeb9a1a JH |
70 | |
71 | struct bt_uuid { | |
72 | struct list_head list; | |
73 | u8 uuid[16]; | |
1aff6f09 | 74 | u8 svc_hint; |
2aeb9a1a JH |
75 | }; |
76 | ||
34918cd7 VCG |
77 | struct key_master_id { |
78 | __le16 ediv; | |
79 | u8 rand[8]; | |
80 | } __packed; | |
81 | ||
82 | struct link_key_data { | |
83 | bdaddr_t bdaddr; | |
84 | u8 type; | |
85 | u8 val[16]; | |
86 | u8 pin_len; | |
87 | u8 dlen; | |
88 | u8 data[0]; | |
89 | } __packed; | |
90 | ||
55ed8ca1 JH |
91 | struct link_key { |
92 | struct list_head list; | |
93 | bdaddr_t bdaddr; | |
94 | u8 type; | |
95 | u8 val[16]; | |
96 | u8 pin_len; | |
34918cd7 VCG |
97 | u8 dlen; |
98 | u8 data[0]; | |
55ed8ca1 JH |
99 | }; |
100 | ||
2763eda6 SJ |
101 | struct oob_data { |
102 | struct list_head list; | |
103 | bdaddr_t bdaddr; | |
104 | u8 hash[16]; | |
105 | u8 randomizer[16]; | |
106 | }; | |
107 | ||
76c8686f AG |
108 | struct adv_entry { |
109 | struct list_head list; | |
110 | bdaddr_t bdaddr; | |
111 | u8 bdaddr_type; | |
112 | }; | |
113 | ||
cd4c5391 | 114 | #define NUM_REASSEMBLY 4 |
1da177e4 LT |
115 | struct hci_dev { |
116 | struct list_head list; | |
117 | spinlock_t lock; | |
118 | atomic_t refcnt; | |
119 | ||
120 | char name[8]; | |
121 | unsigned long flags; | |
122 | __u16 id; | |
c13854ce | 123 | __u8 bus; |
943da25d | 124 | __u8 dev_type; |
1da177e4 | 125 | bdaddr_t bdaddr; |
1f6c6378 | 126 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
80a1e1db | 127 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
a9de9248 | 128 | __u8 dev_class[3]; |
1aff6f09 JH |
129 | __u8 major_class; |
130 | __u8 minor_class; | |
1da177e4 | 131 | __u8 features[8]; |
971e3a4b | 132 | __u8 extfeatures[8]; |
a9de9248 | 133 | __u8 commands[64]; |
333140b5 | 134 | __u8 ssp_mode; |
1143e5a6 MH |
135 | __u8 hci_ver; |
136 | __u16 hci_rev; | |
d5859e22 | 137 | __u8 lmp_ver; |
1143e5a6 | 138 | __u16 manufacturer; |
d5859e22 | 139 | __le16 lmp_subver; |
1da177e4 | 140 | __u16 voice_setting; |
17fa4b9d | 141 | __u8 io_capability; |
1da177e4 LT |
142 | |
143 | __u16 pkt_type; | |
5b7f9909 | 144 | __u16 esco_type; |
1da177e4 LT |
145 | __u16 link_policy; |
146 | __u16 link_mode; | |
147 | ||
04837f64 MH |
148 | __u32 idle_timeout; |
149 | __u16 sniff_min_interval; | |
150 | __u16 sniff_max_interval; | |
151 | ||
9f61656a JH |
152 | unsigned int auto_accept_delay; |
153 | ||
1da177e4 LT |
154 | unsigned long quirks; |
155 | ||
156 | atomic_t cmd_cnt; | |
157 | unsigned int acl_cnt; | |
158 | unsigned int sco_cnt; | |
6ed58ec5 | 159 | unsigned int le_cnt; |
1da177e4 LT |
160 | |
161 | unsigned int acl_mtu; | |
162 | unsigned int sco_mtu; | |
6ed58ec5 | 163 | unsigned int le_mtu; |
1da177e4 LT |
164 | unsigned int acl_pkts; |
165 | unsigned int sco_pkts; | |
6ed58ec5 | 166 | unsigned int le_pkts; |
1da177e4 | 167 | |
1da177e4 LT |
168 | unsigned long acl_last_tx; |
169 | unsigned long sco_last_tx; | |
6ed58ec5 | 170 | unsigned long le_last_tx; |
1da177e4 | 171 | |
f48fd9c8 MH |
172 | struct workqueue_struct *workqueue; |
173 | ||
ab81cbf9 JH |
174 | struct work_struct power_on; |
175 | struct work_struct power_off; | |
176 | struct timer_list off_timer; | |
177 | ||
6bd32326 | 178 | struct timer_list cmd_timer; |
1da177e4 LT |
179 | struct tasklet_struct cmd_task; |
180 | struct tasklet_struct rx_task; | |
181 | struct tasklet_struct tx_task; | |
182 | ||
183 | struct sk_buff_head rx_q; | |
184 | struct sk_buff_head raw_q; | |
185 | struct sk_buff_head cmd_q; | |
186 | ||
187 | struct sk_buff *sent_cmd; | |
cd4c5391 | 188 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
1da177e4 | 189 | |
a6a67efd | 190 | struct mutex req_lock; |
1da177e4 LT |
191 | wait_queue_head_t req_wait_q; |
192 | __u32 req_status; | |
193 | __u32 req_result; | |
a5040efa JH |
194 | |
195 | __u16 init_last_cmd; | |
1da177e4 | 196 | |
3a0259bb VCG |
197 | struct crypto_blkcipher *tfm; |
198 | ||
1da177e4 LT |
199 | struct inquiry_cache inq_cache; |
200 | struct hci_conn_hash conn_hash; | |
ea4bd8ba | 201 | struct list_head blacklist; |
1da177e4 | 202 | |
2aeb9a1a JH |
203 | struct list_head uuids; |
204 | ||
55ed8ca1 JH |
205 | struct list_head link_keys; |
206 | ||
2763eda6 SJ |
207 | struct list_head remote_oob_data; |
208 | ||
76c8686f | 209 | struct list_head adv_entries; |
35815085 | 210 | struct timer_list adv_timer; |
76c8686f | 211 | |
1da177e4 LT |
212 | struct hci_dev_stats stat; |
213 | ||
214 | struct sk_buff_head driver_init; | |
215 | ||
216 | void *driver_data; | |
217 | void *core_data; | |
218 | ||
70f23020 | 219 | atomic_t promisc; |
1da177e4 | 220 | |
ca325f69 MH |
221 | struct dentry *debugfs; |
222 | ||
a91f2e39 MH |
223 | struct device *parent; |
224 | struct device dev; | |
1da177e4 | 225 | |
611b30f7 MH |
226 | struct rfkill *rfkill; |
227 | ||
70f23020 | 228 | struct module *owner; |
1da177e4 LT |
229 | |
230 | int (*open)(struct hci_dev *hdev); | |
231 | int (*close)(struct hci_dev *hdev); | |
232 | int (*flush)(struct hci_dev *hdev); | |
233 | int (*send)(struct sk_buff *skb); | |
234 | void (*destruct)(struct hci_dev *hdev); | |
235 | void (*notify)(struct hci_dev *hdev, unsigned int evt); | |
236 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
237 | }; | |
238 | ||
239 | struct hci_conn { | |
240 | struct list_head list; | |
241 | ||
adc4266d | 242 | atomic_t refcnt; |
adc4266d SJ |
243 | |
244 | bdaddr_t dst; | |
5a9d0a3f | 245 | __u8 dst_type; |
adc4266d SJ |
246 | __u16 handle; |
247 | __u16 state; | |
248 | __u8 mode; | |
249 | __u8 type; | |
250 | __u8 out; | |
251 | __u8 attempt; | |
252 | __u8 dev_class[3]; | |
253 | __u8 features[8]; | |
254 | __u8 ssp_mode; | |
255 | __u16 interval; | |
256 | __u16 pkt_type; | |
257 | __u16 link_policy; | |
258 | __u32 link_mode; | |
13d39315 | 259 | __u8 key_type; |
adc4266d SJ |
260 | __u8 auth_type; |
261 | __u8 sec_level; | |
262 | __u8 pending_sec_level; | |
263 | __u8 pin_length; | |
264 | __u8 io_capability; | |
265 | __u8 power_save; | |
266 | __u16 disc_timeout; | |
267 | unsigned long pend; | |
04837f64 | 268 | |
03b555e1 JH |
269 | __u8 remote_cap; |
270 | __u8 remote_oob; | |
271 | __u8 remote_auth; | |
272 | ||
adc4266d | 273 | unsigned int sent; |
04837f64 | 274 | |
1da177e4 LT |
275 | struct sk_buff_head data_q; |
276 | ||
04837f64 MH |
277 | struct timer_list disc_timer; |
278 | struct timer_list idle_timer; | |
9f61656a | 279 | struct timer_list auto_accept_timer; |
04837f64 | 280 | |
f3784d83 RQ |
281 | struct work_struct work_add; |
282 | struct work_struct work_del; | |
b219e3ac MH |
283 | |
284 | struct device dev; | |
9eba32b8 | 285 | atomic_t devref; |
b219e3ac | 286 | |
1da177e4 LT |
287 | struct hci_dev *hdev; |
288 | void *l2cap_data; | |
289 | void *sco_data; | |
1da177e4 LT |
290 | |
291 | struct hci_conn *link; | |
e9a416b5 JH |
292 | |
293 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
294 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
295 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
296 | }; |
297 | ||
298 | extern struct hci_proto *hci_proto[]; | |
299 | extern struct list_head hci_dev_list; | |
300 | extern struct list_head hci_cb_list; | |
301 | extern rwlock_t hci_dev_list_lock; | |
302 | extern rwlock_t hci_cb_list_lock; | |
303 | ||
304 | /* ----- Inquiry cache ----- */ | |
70f23020 AE |
305 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
306 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 LT |
307 | |
308 | #define inquiry_cache_lock(c) spin_lock(&c->lock) | |
309 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) | |
310 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) | |
311 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) | |
312 | ||
313 | static inline void inquiry_cache_init(struct hci_dev *hdev) | |
314 | { | |
315 | struct inquiry_cache *c = &hdev->inq_cache; | |
316 | spin_lock_init(&c->lock); | |
317 | c->list = NULL; | |
318 | } | |
319 | ||
320 | static inline int inquiry_cache_empty(struct hci_dev *hdev) | |
321 | { | |
322 | struct inquiry_cache *c = &hdev->inq_cache; | |
a02cec21 | 323 | return c->list == NULL; |
1da177e4 LT |
324 | } |
325 | ||
326 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
327 | { | |
328 | struct inquiry_cache *c = &hdev->inq_cache; | |
329 | return jiffies - c->timestamp; | |
330 | } | |
331 | ||
332 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
333 | { | |
334 | return jiffies - e->timestamp; | |
335 | } | |
336 | ||
5a9d0a3f WR |
337 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
338 | bdaddr_t *bdaddr); | |
1da177e4 LT |
339 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); |
340 | ||
341 | /* ----- HCI Connections ----- */ | |
342 | enum { | |
343 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 344 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 345 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
346 | HCI_CONN_RSWITCH_PEND, |
347 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 348 | HCI_CONN_SCO_SETUP_PEND, |
1da177e4 LT |
349 | }; |
350 | ||
351 | static inline void hci_conn_hash_init(struct hci_dev *hdev) | |
352 | { | |
353 | struct hci_conn_hash *h = &hdev->conn_hash; | |
354 | INIT_LIST_HEAD(&h->list); | |
355 | spin_lock_init(&h->lock); | |
356 | h->acl_num = 0; | |
357 | h->sco_num = 0; | |
358 | } | |
359 | ||
360 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
361 | { | |
362 | struct hci_conn_hash *h = &hdev->conn_hash; | |
363 | list_add(&c->list, &h->list); | |
fcd89c09 VT |
364 | switch (c->type) { |
365 | case ACL_LINK: | |
1da177e4 | 366 | h->acl_num++; |
fcd89c09 VT |
367 | break; |
368 | case LE_LINK: | |
369 | h->le_num++; | |
370 | break; | |
371 | case SCO_LINK: | |
372 | case ESCO_LINK: | |
1da177e4 | 373 | h->sco_num++; |
fcd89c09 VT |
374 | break; |
375 | } | |
1da177e4 LT |
376 | } |
377 | ||
378 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
379 | { | |
380 | struct hci_conn_hash *h = &hdev->conn_hash; | |
381 | list_del(&c->list); | |
fcd89c09 VT |
382 | switch (c->type) { |
383 | case ACL_LINK: | |
1da177e4 | 384 | h->acl_num--; |
fcd89c09 VT |
385 | break; |
386 | case LE_LINK: | |
387 | h->le_num--; | |
388 | break; | |
389 | case SCO_LINK: | |
390 | case ESCO_LINK: | |
1da177e4 | 391 | h->sco_num--; |
fcd89c09 VT |
392 | break; |
393 | } | |
1da177e4 LT |
394 | } |
395 | ||
396 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, | |
adc4266d | 397 | __u16 handle) |
1da177e4 LT |
398 | { |
399 | struct hci_conn_hash *h = &hdev->conn_hash; | |
400 | struct list_head *p; | |
401 | struct hci_conn *c; | |
402 | ||
403 | list_for_each(p, &h->list) { | |
404 | c = list_entry(p, struct hci_conn, list); | |
405 | if (c->handle == handle) | |
406 | return c; | |
407 | } | |
408 | return NULL; | |
409 | } | |
410 | ||
411 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 412 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
413 | { |
414 | struct hci_conn_hash *h = &hdev->conn_hash; | |
415 | struct list_head *p; | |
416 | struct hci_conn *c; | |
417 | ||
418 | list_for_each(p, &h->list) { | |
419 | c = list_entry(p, struct hci_conn, list); | |
420 | if (c->type == type && !bacmp(&c->dst, ba)) | |
421 | return c; | |
422 | } | |
423 | return NULL; | |
424 | } | |
425 | ||
4c67bc74 | 426 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 427 | __u8 type, __u16 state) |
4c67bc74 MH |
428 | { |
429 | struct hci_conn_hash *h = &hdev->conn_hash; | |
430 | struct list_head *p; | |
431 | struct hci_conn *c; | |
432 | ||
433 | list_for_each(p, &h->list) { | |
434 | c = list_entry(p, struct hci_conn, list); | |
435 | if (c->type == type && c->state == state) | |
436 | return c; | |
437 | } | |
438 | return NULL; | |
439 | } | |
440 | ||
441 | void hci_acl_connect(struct hci_conn *conn); | |
1da177e4 LT |
442 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
443 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 444 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 445 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
446 | |
447 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
448 | int hci_conn_del(struct hci_conn *conn); |
449 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
450 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 451 | |
5a9d0a3f WR |
452 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
453 | __u8 sec_level, __u8 auth_type); | |
e7c29cb1 | 454 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 455 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
0684e5f9 | 456 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 457 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 458 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 459 | |
14b12d0b | 460 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
04837f64 | 461 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); |
1da177e4 | 462 | |
9eba32b8 MH |
463 | void hci_conn_hold_device(struct hci_conn *conn); |
464 | void hci_conn_put_device(struct hci_conn *conn); | |
465 | ||
1da177e4 LT |
466 | static inline void hci_conn_hold(struct hci_conn *conn) |
467 | { | |
468 | atomic_inc(&conn->refcnt); | |
04837f64 | 469 | del_timer(&conn->disc_timer); |
1da177e4 LT |
470 | } |
471 | ||
472 | static inline void hci_conn_put(struct hci_conn *conn) | |
473 | { | |
474 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 475 | unsigned long timeo; |
1da177e4 | 476 | if (conn->type == ACL_LINK) { |
04837f64 | 477 | del_timer(&conn->idle_timer); |
6ac59344 | 478 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 479 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 480 | if (!conn->out) |
052b30b0 | 481 | timeo *= 2; |
5a9d0a3f | 482 | } else { |
6ac59344 | 483 | timeo = msecs_to_jiffies(10); |
5a9d0a3f WR |
484 | } |
485 | } else { | |
04837f64 | 486 | timeo = msecs_to_jiffies(10); |
5a9d0a3f | 487 | } |
04837f64 | 488 | mod_timer(&conn->disc_timer, jiffies + timeo); |
1da177e4 LT |
489 | } |
490 | } | |
491 | ||
1da177e4 LT |
492 | /* ----- HCI Devices ----- */ |
493 | static inline void __hci_dev_put(struct hci_dev *d) | |
494 | { | |
495 | if (atomic_dec_and_test(&d->refcnt)) | |
496 | d->destruct(d); | |
497 | } | |
498 | ||
499 | static inline void hci_dev_put(struct hci_dev *d) | |
04fafe4e | 500 | { |
1da177e4 LT |
501 | __hci_dev_put(d); |
502 | module_put(d->owner); | |
503 | } | |
504 | ||
505 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) | |
506 | { | |
507 | atomic_inc(&d->refcnt); | |
508 | return d; | |
509 | } | |
510 | ||
511 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) | |
512 | { | |
513 | if (try_module_get(d->owner)) | |
514 | return __hci_dev_hold(d); | |
515 | return NULL; | |
516 | } | |
517 | ||
518 | #define hci_dev_lock(d) spin_lock(&d->lock) | |
519 | #define hci_dev_unlock(d) spin_unlock(&d->lock) | |
520 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) | |
521 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) | |
522 | ||
523 | struct hci_dev *hci_dev_get(int index); | |
524 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
525 | ||
526 | struct hci_dev *hci_alloc_dev(void); | |
527 | void hci_free_dev(struct hci_dev *hdev); | |
528 | int hci_register_dev(struct hci_dev *hdev); | |
529 | int hci_unregister_dev(struct hci_dev *hdev); | |
530 | int hci_suspend_dev(struct hci_dev *hdev); | |
531 | int hci_resume_dev(struct hci_dev *hdev); | |
532 | int hci_dev_open(__u16 dev); | |
533 | int hci_dev_close(__u16 dev); | |
534 | int hci_dev_reset(__u16 dev); | |
535 | int hci_dev_reset_stat(__u16 dev); | |
536 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
537 | int hci_get_dev_list(void __user *arg); | |
538 | int hci_get_dev_info(void __user *arg); | |
539 | int hci_get_conn_list(void __user *arg); | |
540 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 541 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
542 | int hci_inquiry(void __user *arg); |
543 | ||
f0358568 JH |
544 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
545 | int hci_blacklist_clear(struct hci_dev *hdev); | |
b2a66aad AJ |
546 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr); |
547 | int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
f0358568 | 548 | |
2aeb9a1a JH |
549 | int hci_uuids_clear(struct hci_dev *hdev); |
550 | ||
55ed8ca1 JH |
551 | int hci_link_keys_clear(struct hci_dev *hdev); |
552 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
d25e28ab JH |
553 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
554 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); | |
75d262c2 VCG |
555 | struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); |
556 | struct link_key *hci_find_link_key_type(struct hci_dev *hdev, | |
557 | bdaddr_t *bdaddr, u8 type); | |
558 | int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, | |
559 | __le16 ediv, u8 rand[8], u8 ltk[16]); | |
55ed8ca1 JH |
560 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
561 | ||
2763eda6 SJ |
562 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
563 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, | |
564 | bdaddr_t *bdaddr); | |
565 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, | |
566 | u8 *randomizer); | |
567 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
568 | ||
35815085 | 569 | #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ |
76c8686f AG |
570 | int hci_adv_entries_clear(struct hci_dev *hdev); |
571 | struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
572 | int hci_add_adv_entry(struct hci_dev *hdev, | |
573 | struct hci_ev_le_advertising_info *ev); | |
574 | ||
ab81cbf9 JH |
575 | void hci_del_off_timer(struct hci_dev *hdev); |
576 | ||
1da177e4 LT |
577 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
578 | ||
76bca880 | 579 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 | 580 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 581 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 582 | |
1da177e4 LT |
583 | int hci_register_sysfs(struct hci_dev *hdev); |
584 | void hci_unregister_sysfs(struct hci_dev *hdev); | |
a67e899c | 585 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
586 | void hci_conn_add_sysfs(struct hci_conn *conn); |
587 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 588 | |
a91f2e39 | 589 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
590 | |
591 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
592 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
593 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
594 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
595 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 596 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 597 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
e702112f | 598 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
6ed58ec5 | 599 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
1da177e4 | 600 | |
eead27da AG |
601 | /* ----- Extended LMP capabilities ----- */ |
602 | #define lmp_host_le_capable(dev) ((dev)->extfeatures[0] & LMP_HOST_LE) | |
603 | ||
1da177e4 LT |
604 | /* ----- HCI protocols ----- */ |
605 | struct hci_proto { | |
8c1b2355 | 606 | char *name; |
1da177e4 LT |
607 | unsigned int id; |
608 | unsigned long flags; | |
609 | ||
610 | void *priv; | |
611 | ||
5a9d0a3f WR |
612 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, |
613 | __u8 type); | |
1da177e4 | 614 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); |
2950f21a MH |
615 | int (*disconn_ind) (struct hci_conn *conn); |
616 | int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); | |
5a9d0a3f WR |
617 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, |
618 | __u16 flags); | |
1da177e4 | 619 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); |
5a9d0a3f WR |
620 | int (*security_cfm) (struct hci_conn *conn, __u8 status, |
621 | __u8 encrypt); | |
1da177e4 LT |
622 | }; |
623 | ||
5a9d0a3f WR |
624 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
625 | __u8 type) | |
1da177e4 LT |
626 | { |
627 | register struct hci_proto *hp; | |
628 | int mask = 0; | |
8c1b2355 | 629 | |
1da177e4 LT |
630 | hp = hci_proto[HCI_PROTO_L2CAP]; |
631 | if (hp && hp->connect_ind) | |
632 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
633 | ||
634 | hp = hci_proto[HCI_PROTO_SCO]; | |
635 | if (hp && hp->connect_ind) | |
636 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
637 | ||
638 | return mask; | |
639 | } | |
640 | ||
641 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
642 | { | |
643 | register struct hci_proto *hp; | |
644 | ||
645 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
646 | if (hp && hp->connect_cfm) | |
647 | hp->connect_cfm(conn, status); | |
648 | ||
649 | hp = hci_proto[HCI_PROTO_SCO]; | |
650 | if (hp && hp->connect_cfm) | |
651 | hp->connect_cfm(conn, status); | |
e9a416b5 JH |
652 | |
653 | if (conn->connect_cfm_cb) | |
654 | conn->connect_cfm_cb(conn, status); | |
1da177e4 LT |
655 | } |
656 | ||
2950f21a | 657 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 LT |
658 | { |
659 | register struct hci_proto *hp; | |
2950f21a | 660 | int reason = 0x13; |
1da177e4 LT |
661 | |
662 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
663 | if (hp && hp->disconn_ind) | |
2950f21a | 664 | reason = hp->disconn_ind(conn); |
1da177e4 LT |
665 | |
666 | hp = hci_proto[HCI_PROTO_SCO]; | |
667 | if (hp && hp->disconn_ind) | |
2950f21a MH |
668 | reason = hp->disconn_ind(conn); |
669 | ||
670 | return reason; | |
671 | } | |
672 | ||
673 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
674 | { | |
675 | register struct hci_proto *hp; | |
676 | ||
677 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
678 | if (hp && hp->disconn_cfm) | |
679 | hp->disconn_cfm(conn, reason); | |
680 | ||
681 | hp = hci_proto[HCI_PROTO_SCO]; | |
682 | if (hp && hp->disconn_cfm) | |
683 | hp->disconn_cfm(conn, reason); | |
e9a416b5 JH |
684 | |
685 | if (conn->disconn_cfm_cb) | |
686 | conn->disconn_cfm_cb(conn, reason); | |
1da177e4 LT |
687 | } |
688 | ||
689 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
690 | { | |
691 | register struct hci_proto *hp; | |
8c1b2355 MH |
692 | __u8 encrypt; |
693 | ||
694 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) | |
695 | return; | |
696 | ||
697 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
1da177e4 LT |
698 | |
699 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
700 | if (hp && hp->security_cfm) |
701 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
702 | |
703 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
704 | if (hp && hp->security_cfm) |
705 | hp->security_cfm(conn, status, encrypt); | |
e9a416b5 JH |
706 | |
707 | if (conn->security_cfm_cb) | |
708 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
709 | } |
710 | ||
5a9d0a3f WR |
711 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
712 | __u8 encrypt) | |
1da177e4 LT |
713 | { |
714 | register struct hci_proto *hp; | |
715 | ||
716 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
717 | if (hp && hp->security_cfm) |
718 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
719 | |
720 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
721 | if (hp && hp->security_cfm) |
722 | hp->security_cfm(conn, status, encrypt); | |
e9a416b5 JH |
723 | |
724 | if (conn->security_cfm_cb) | |
725 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
726 | } |
727 | ||
728 | int hci_register_proto(struct hci_proto *hproto); | |
729 | int hci_unregister_proto(struct hci_proto *hproto); | |
730 | ||
731 | /* ----- HCI callbacks ----- */ | |
732 | struct hci_cb { | |
733 | struct list_head list; | |
734 | ||
735 | char *name; | |
736 | ||
5a9d0a3f WR |
737 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
738 | __u8 encrypt); | |
1da177e4 LT |
739 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
740 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
741 | }; | |
742 | ||
743 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
744 | { | |
745 | struct list_head *p; | |
8c1b2355 | 746 | __u8 encrypt; |
1da177e4 LT |
747 | |
748 | hci_proto_auth_cfm(conn, status); | |
749 | ||
8c1b2355 MH |
750 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) |
751 | return; | |
752 | ||
753 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
754 | ||
1da177e4 LT |
755 | read_lock_bh(&hci_cb_list_lock); |
756 | list_for_each(p, &hci_cb_list) { | |
757 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
758 | if (cb->security_cfm) |
759 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
760 | } |
761 | read_unlock_bh(&hci_cb_list_lock); | |
762 | } | |
763 | ||
5a9d0a3f WR |
764 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
765 | __u8 encrypt) | |
1da177e4 LT |
766 | { |
767 | struct list_head *p; | |
768 | ||
435fef20 MH |
769 | if (conn->sec_level == BT_SECURITY_SDP) |
770 | conn->sec_level = BT_SECURITY_LOW; | |
771 | ||
88167aed VCG |
772 | if (conn->pending_sec_level > conn->sec_level) |
773 | conn->sec_level = conn->pending_sec_level; | |
774 | ||
9719f8af | 775 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 LT |
776 | |
777 | read_lock_bh(&hci_cb_list_lock); | |
778 | list_for_each(p, &hci_cb_list) { | |
779 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
780 | if (cb->security_cfm) |
781 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
782 | } |
783 | read_unlock_bh(&hci_cb_list_lock); | |
784 | } | |
785 | ||
786 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
787 | { | |
788 | struct list_head *p; | |
789 | ||
790 | read_lock_bh(&hci_cb_list_lock); | |
791 | list_for_each(p, &hci_cb_list) { | |
792 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
793 | if (cb->key_change_cfm) | |
794 | cb->key_change_cfm(conn, status); | |
795 | } | |
796 | read_unlock_bh(&hci_cb_list_lock); | |
797 | } | |
798 | ||
5a9d0a3f WR |
799 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
800 | __u8 role) | |
1da177e4 LT |
801 | { |
802 | struct list_head *p; | |
803 | ||
804 | read_lock_bh(&hci_cb_list_lock); | |
805 | list_for_each(p, &hci_cb_list) { | |
806 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
807 | if (cb->role_switch_cfm) | |
808 | cb->role_switch_cfm(conn, status, role); | |
809 | } | |
810 | read_unlock_bh(&hci_cb_list_lock); | |
811 | } | |
812 | ||
813 | int hci_register_cb(struct hci_cb *hcb); | |
814 | int hci_unregister_cb(struct hci_cb *hcb); | |
815 | ||
816 | int hci_register_notifier(struct notifier_block *nb); | |
817 | int hci_unregister_notifier(struct notifier_block *nb); | |
818 | ||
a9de9248 | 819 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
9a9c6a34 | 820 | void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
0d861d8b | 821 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 822 | |
a9de9248 | 823 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 LT |
824 | |
825 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
826 | ||
827 | /* ----- HCI Sockets ----- */ | |
eec8d2bc JH |
828 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, |
829 | struct sock *skip_sk); | |
1da177e4 | 830 | |
0381101f JH |
831 | /* Management interface */ |
832 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); | |
c71e97bf JH |
833 | int mgmt_index_added(u16 index); |
834 | int mgmt_index_removed(u16 index); | |
5add6af8 | 835 | int mgmt_powered(u16 index, u8 powered); |
73f22f62 | 836 | int mgmt_discoverable(u16 index, u8 discoverable); |
9fbcbb45 | 837 | int mgmt_connectable(u16 index, u8 connectable); |
4df378a1 | 838 | int mgmt_new_key(u16 index, struct link_key *key, u8 persistent); |
f7520543 JH |
839 | int mgmt_connected(u16 index, bdaddr_t *bdaddr); |
840 | int mgmt_disconnected(u16 index, bdaddr_t *bdaddr); | |
8962ee74 | 841 | int mgmt_disconnect_failed(u16 index); |
17d5c04c | 842 | int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status); |
a770bb5a | 843 | int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure); |
980e1a53 JH |
844 | int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
845 | int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); | |
55bc1a37 JH |
846 | int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value, |
847 | u8 confirm_hint); | |
a5c29683 JH |
848 | int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status); |
849 | int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, | |
850 | u8 status); | |
2a611692 | 851 | int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status); |
b312b161 | 852 | int mgmt_set_local_name_complete(u16 index, u8 *name, u8 status); |
c35938b2 SJ |
853 | int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer, |
854 | u8 status); | |
e17acd40 JH |
855 | int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi, |
856 | u8 *eir); | |
a88a9652 | 857 | int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name); |
314b2381 | 858 | int mgmt_discovering(u16 index, u8 discovering); |
0381101f | 859 | |
1da177e4 LT |
860 | /* HCI info for socket */ |
861 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
862 | ||
863 | struct hci_pinfo { | |
864 | struct bt_sock bt; | |
865 | struct hci_dev *hdev; | |
866 | struct hci_filter filter; | |
867 | __u32 cmsg_mask; | |
c02178d2 | 868 | unsigned short channel; |
1da177e4 LT |
869 | }; |
870 | ||
871 | /* HCI security filter */ | |
872 | #define HCI_SFLT_MAX_OGF 5 | |
873 | ||
874 | struct hci_sec_filter { | |
875 | __u32 type_mask; | |
876 | __u32 event_mask[2]; | |
877 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
878 | }; | |
879 | ||
880 | /* ----- HCI requests ----- */ | |
881 | #define HCI_REQ_DONE 0 | |
882 | #define HCI_REQ_PEND 1 | |
883 | #define HCI_REQ_CANCELED 2 | |
884 | ||
a6a67efd TG |
885 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
886 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 | 887 | |
23bb5763 | 888 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
1da177e4 | 889 | |
2ce603eb CT |
890 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
891 | u16 latency, u16 to_multiplier); | |
a7a595f6 VCG |
892 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], |
893 | __u8 ltk[16]); | |
894 | void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); | |
895 | void hci_le_ltk_neg_reply(struct hci_conn *conn); | |
896 | ||
1da177e4 | 897 | #endif /* __HCI_CORE_H */ |