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1da177e4 LT |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | Copyright (C) 2000-2001 Qualcomm Incorporated | |
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 | |
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 | |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
19 | ||
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
22 | SOFTWARE IS DISCLAIMED. | |
23 | */ | |
24 | ||
25 | #ifndef __HCI_CORE_H | |
26 | #define __HCI_CORE_H | |
27 | ||
28 | #include <linux/proc_fs.h> | |
29 | #include <net/bluetooth/hci.h> | |
30 | ||
31 | /* HCI upper protocols */ | |
32 | #define HCI_PROTO_L2CAP 0 | |
33 | #define HCI_PROTO_SCO 1 | |
34 | ||
35 | #define HCI_INIT_TIMEOUT (HZ * 10) | |
36 | ||
37 | extern struct proc_dir_entry *proc_bt_hci; | |
38 | ||
39 | /* HCI Core structures */ | |
40 | ||
41 | struct inquiry_data { | |
42 | bdaddr_t bdaddr; | |
43 | __u8 pscan_rep_mode; | |
44 | __u8 pscan_period_mode; | |
45 | __u8 pscan_mode; | |
46 | __u8 dev_class[3]; | |
47 | __u16 clock_offset; | |
48 | __s8 rssi; | |
49 | }; | |
50 | ||
51 | struct inquiry_entry { | |
52 | struct inquiry_entry *next; | |
53 | __u32 timestamp; | |
54 | struct inquiry_data data; | |
55 | }; | |
56 | ||
57 | struct inquiry_cache { | |
58 | spinlock_t lock; | |
59 | __u32 timestamp; | |
60 | struct inquiry_entry *list; | |
61 | }; | |
62 | ||
63 | struct hci_conn_hash { | |
64 | struct list_head list; | |
65 | spinlock_t lock; | |
66 | unsigned int acl_num; | |
67 | unsigned int sco_num; | |
68 | }; | |
69 | ||
70 | struct hci_dev { | |
71 | struct list_head list; | |
72 | spinlock_t lock; | |
73 | atomic_t refcnt; | |
74 | ||
75 | char name[8]; | |
76 | unsigned long flags; | |
77 | __u16 id; | |
78 | __u8 type; | |
79 | bdaddr_t bdaddr; | |
80 | __u8 features[8]; | |
81 | __u16 voice_setting; | |
82 | ||
83 | __u16 pkt_type; | |
84 | __u16 link_policy; | |
85 | __u16 link_mode; | |
86 | ||
87 | unsigned long quirks; | |
88 | ||
89 | atomic_t cmd_cnt; | |
90 | unsigned int acl_cnt; | |
91 | unsigned int sco_cnt; | |
92 | ||
93 | unsigned int acl_mtu; | |
94 | unsigned int sco_mtu; | |
95 | unsigned int acl_pkts; | |
96 | unsigned int sco_pkts; | |
97 | ||
98 | unsigned long cmd_last_tx; | |
99 | unsigned long acl_last_tx; | |
100 | unsigned long sco_last_tx; | |
101 | ||
102 | struct tasklet_struct cmd_task; | |
103 | struct tasklet_struct rx_task; | |
104 | struct tasklet_struct tx_task; | |
105 | ||
106 | struct sk_buff_head rx_q; | |
107 | struct sk_buff_head raw_q; | |
108 | struct sk_buff_head cmd_q; | |
109 | ||
110 | struct sk_buff *sent_cmd; | |
111 | ||
112 | struct semaphore req_lock; | |
113 | wait_queue_head_t req_wait_q; | |
114 | __u32 req_status; | |
115 | __u32 req_result; | |
116 | ||
117 | struct inquiry_cache inq_cache; | |
118 | struct hci_conn_hash conn_hash; | |
119 | ||
120 | struct hci_dev_stats stat; | |
121 | ||
122 | struct sk_buff_head driver_init; | |
123 | ||
124 | void *driver_data; | |
125 | void *core_data; | |
126 | ||
127 | atomic_t promisc; | |
128 | ||
129 | #ifdef CONFIG_PROC_FS | |
130 | struct proc_dir_entry *proc; | |
131 | #endif | |
132 | ||
133 | struct class_device class_dev; | |
134 | ||
135 | struct module *owner; | |
136 | ||
137 | int (*open)(struct hci_dev *hdev); | |
138 | int (*close)(struct hci_dev *hdev); | |
139 | int (*flush)(struct hci_dev *hdev); | |
140 | int (*send)(struct sk_buff *skb); | |
141 | void (*destruct)(struct hci_dev *hdev); | |
142 | void (*notify)(struct hci_dev *hdev, unsigned int evt); | |
143 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
144 | }; | |
145 | ||
146 | struct hci_conn { | |
147 | struct list_head list; | |
148 | ||
149 | atomic_t refcnt; | |
150 | spinlock_t lock; | |
151 | ||
152 | bdaddr_t dst; | |
153 | __u16 handle; | |
154 | __u16 state; | |
155 | __u8 type; | |
156 | __u8 out; | |
157 | __u8 dev_class[3]; | |
158 | __u32 link_mode; | |
159 | unsigned long pend; | |
160 | ||
161 | unsigned int sent; | |
162 | ||
163 | struct sk_buff_head data_q; | |
164 | ||
165 | struct timer_list timer; | |
166 | ||
167 | struct hci_dev *hdev; | |
168 | void *l2cap_data; | |
169 | void *sco_data; | |
170 | void *priv; | |
171 | ||
172 | struct hci_conn *link; | |
173 | }; | |
174 | ||
175 | extern struct hci_proto *hci_proto[]; | |
176 | extern struct list_head hci_dev_list; | |
177 | extern struct list_head hci_cb_list; | |
178 | extern rwlock_t hci_dev_list_lock; | |
179 | extern rwlock_t hci_cb_list_lock; | |
180 | ||
181 | /* ----- Inquiry cache ----- */ | |
182 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) // 30 seconds | |
183 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) // 60 seconds | |
184 | ||
185 | #define inquiry_cache_lock(c) spin_lock(&c->lock) | |
186 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) | |
187 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) | |
188 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) | |
189 | ||
190 | static inline void inquiry_cache_init(struct hci_dev *hdev) | |
191 | { | |
192 | struct inquiry_cache *c = &hdev->inq_cache; | |
193 | spin_lock_init(&c->lock); | |
194 | c->list = NULL; | |
195 | } | |
196 | ||
197 | static inline int inquiry_cache_empty(struct hci_dev *hdev) | |
198 | { | |
199 | struct inquiry_cache *c = &hdev->inq_cache; | |
200 | return (c->list == NULL); | |
201 | } | |
202 | ||
203 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
204 | { | |
205 | struct inquiry_cache *c = &hdev->inq_cache; | |
206 | return jiffies - c->timestamp; | |
207 | } | |
208 | ||
209 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
210 | { | |
211 | return jiffies - e->timestamp; | |
212 | } | |
213 | ||
214 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
215 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); | |
216 | ||
217 | /* ----- HCI Connections ----- */ | |
218 | enum { | |
219 | HCI_CONN_AUTH_PEND, | |
220 | HCI_CONN_ENCRYPT_PEND, | |
221 | HCI_CONN_RSWITCH_PEND | |
222 | }; | |
223 | ||
224 | static inline void hci_conn_hash_init(struct hci_dev *hdev) | |
225 | { | |
226 | struct hci_conn_hash *h = &hdev->conn_hash; | |
227 | INIT_LIST_HEAD(&h->list); | |
228 | spin_lock_init(&h->lock); | |
229 | h->acl_num = 0; | |
230 | h->sco_num = 0; | |
231 | } | |
232 | ||
233 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
234 | { | |
235 | struct hci_conn_hash *h = &hdev->conn_hash; | |
236 | list_add(&c->list, &h->list); | |
237 | if (c->type == ACL_LINK) | |
238 | h->acl_num++; | |
239 | else | |
240 | h->sco_num++; | |
241 | } | |
242 | ||
243 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
244 | { | |
245 | struct hci_conn_hash *h = &hdev->conn_hash; | |
246 | list_del(&c->list); | |
247 | if (c->type == ACL_LINK) | |
248 | h->acl_num--; | |
249 | else | |
250 | h->sco_num--; | |
251 | } | |
252 | ||
253 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, | |
254 | __u16 handle) | |
255 | { | |
256 | struct hci_conn_hash *h = &hdev->conn_hash; | |
257 | struct list_head *p; | |
258 | struct hci_conn *c; | |
259 | ||
260 | list_for_each(p, &h->list) { | |
261 | c = list_entry(p, struct hci_conn, list); | |
262 | if (c->handle == handle) | |
263 | return c; | |
264 | } | |
265 | return NULL; | |
266 | } | |
267 | ||
268 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
269 | __u8 type, bdaddr_t *ba) | |
270 | { | |
271 | struct hci_conn_hash *h = &hdev->conn_hash; | |
272 | struct list_head *p; | |
273 | struct hci_conn *c; | |
274 | ||
275 | list_for_each(p, &h->list) { | |
276 | c = list_entry(p, struct hci_conn, list); | |
277 | if (c->type == type && !bacmp(&c->dst, ba)) | |
278 | return c; | |
279 | } | |
280 | return NULL; | |
281 | } | |
282 | ||
283 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); | |
284 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
285 | ||
286 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
287 | int hci_conn_del(struct hci_conn *conn); | |
288 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
289 | ||
290 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *src); | |
291 | int hci_conn_auth(struct hci_conn *conn); | |
292 | int hci_conn_encrypt(struct hci_conn *conn); | |
293 | int hci_conn_change_link_key(struct hci_conn *conn); | |
294 | int hci_conn_switch_role(struct hci_conn *conn, uint8_t role); | |
295 | ||
296 | static inline void hci_conn_set_timer(struct hci_conn *conn, unsigned long timeout) | |
297 | { | |
298 | mod_timer(&conn->timer, jiffies + timeout); | |
299 | } | |
300 | ||
301 | static inline void hci_conn_del_timer(struct hci_conn *conn) | |
302 | { | |
303 | del_timer(&conn->timer); | |
304 | } | |
305 | ||
306 | static inline void hci_conn_hold(struct hci_conn *conn) | |
307 | { | |
308 | atomic_inc(&conn->refcnt); | |
309 | hci_conn_del_timer(conn); | |
310 | } | |
311 | ||
312 | static inline void hci_conn_put(struct hci_conn *conn) | |
313 | { | |
314 | if (atomic_dec_and_test(&conn->refcnt)) { | |
315 | if (conn->type == ACL_LINK) { | |
316 | unsigned long timeo = (conn->out) ? | |
317 | HCI_DISCONN_TIMEOUT : HCI_DISCONN_TIMEOUT * 2; | |
318 | hci_conn_set_timer(conn, timeo); | |
319 | } else | |
320 | hci_conn_set_timer(conn, HZ / 100); | |
321 | } | |
322 | } | |
323 | ||
324 | /* ----- HCI tasks ----- */ | |
325 | static inline void hci_sched_cmd(struct hci_dev *hdev) | |
326 | { | |
327 | tasklet_schedule(&hdev->cmd_task); | |
328 | } | |
329 | ||
330 | static inline void hci_sched_rx(struct hci_dev *hdev) | |
331 | { | |
332 | tasklet_schedule(&hdev->rx_task); | |
333 | } | |
334 | ||
335 | static inline void hci_sched_tx(struct hci_dev *hdev) | |
336 | { | |
337 | tasklet_schedule(&hdev->tx_task); | |
338 | } | |
339 | ||
340 | /* ----- HCI Devices ----- */ | |
341 | static inline void __hci_dev_put(struct hci_dev *d) | |
342 | { | |
343 | if (atomic_dec_and_test(&d->refcnt)) | |
344 | d->destruct(d); | |
345 | } | |
346 | ||
347 | static inline void hci_dev_put(struct hci_dev *d) | |
348 | { | |
349 | __hci_dev_put(d); | |
350 | module_put(d->owner); | |
351 | } | |
352 | ||
353 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) | |
354 | { | |
355 | atomic_inc(&d->refcnt); | |
356 | return d; | |
357 | } | |
358 | ||
359 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) | |
360 | { | |
361 | if (try_module_get(d->owner)) | |
362 | return __hci_dev_hold(d); | |
363 | return NULL; | |
364 | } | |
365 | ||
366 | #define hci_dev_lock(d) spin_lock(&d->lock) | |
367 | #define hci_dev_unlock(d) spin_unlock(&d->lock) | |
368 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) | |
369 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) | |
370 | ||
371 | struct hci_dev *hci_dev_get(int index); | |
372 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
373 | ||
374 | struct hci_dev *hci_alloc_dev(void); | |
375 | void hci_free_dev(struct hci_dev *hdev); | |
376 | int hci_register_dev(struct hci_dev *hdev); | |
377 | int hci_unregister_dev(struct hci_dev *hdev); | |
378 | int hci_suspend_dev(struct hci_dev *hdev); | |
379 | int hci_resume_dev(struct hci_dev *hdev); | |
380 | int hci_dev_open(__u16 dev); | |
381 | int hci_dev_close(__u16 dev); | |
382 | int hci_dev_reset(__u16 dev); | |
383 | int hci_dev_reset_stat(__u16 dev); | |
384 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
385 | int hci_get_dev_list(void __user *arg); | |
386 | int hci_get_dev_info(void __user *arg); | |
387 | int hci_get_conn_list(void __user *arg); | |
388 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
389 | int hci_inquiry(void __user *arg); | |
390 | ||
391 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); | |
392 | ||
393 | /* Receive frame from HCI drivers */ | |
394 | static inline int hci_recv_frame(struct sk_buff *skb) | |
395 | { | |
396 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
397 | if (!hdev || (!test_bit(HCI_UP, &hdev->flags) | |
398 | && !test_bit(HCI_INIT, &hdev->flags))) { | |
399 | kfree_skb(skb); | |
400 | return -ENXIO; | |
401 | } | |
402 | ||
403 | /* Incomming skb */ | |
404 | bt_cb(skb)->incoming = 1; | |
405 | ||
406 | /* Time stamp */ | |
a61bbcf2 | 407 | __net_timestamp(skb); |
1da177e4 LT |
408 | |
409 | /* Queue frame for rx task */ | |
410 | skb_queue_tail(&hdev->rx_q, skb); | |
411 | hci_sched_rx(hdev); | |
412 | return 0; | |
413 | } | |
414 | ||
415 | int hci_register_sysfs(struct hci_dev *hdev); | |
416 | void hci_unregister_sysfs(struct hci_dev *hdev); | |
417 | ||
418 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->class_dev.dev = (pdev)) | |
419 | ||
420 | /* ----- LMP capabilities ----- */ | |
421 | #define lmp_rswitch_capable(dev) (dev->features[0] & LMP_RSWITCH) | |
422 | #define lmp_encrypt_capable(dev) (dev->features[0] & LMP_ENCRYPT) | |
423 | ||
424 | /* ----- HCI protocols ----- */ | |
425 | struct hci_proto { | |
426 | char *name; | |
427 | unsigned int id; | |
428 | unsigned long flags; | |
429 | ||
430 | void *priv; | |
431 | ||
432 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); | |
433 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); | |
434 | int (*disconn_ind) (struct hci_conn *conn, __u8 reason); | |
435 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); | |
436 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); | |
437 | int (*auth_cfm) (struct hci_conn *conn, __u8 status); | |
438 | int (*encrypt_cfm) (struct hci_conn *conn, __u8 status); | |
439 | }; | |
440 | ||
441 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) | |
442 | { | |
443 | register struct hci_proto *hp; | |
444 | int mask = 0; | |
445 | ||
446 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
447 | if (hp && hp->connect_ind) | |
448 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
449 | ||
450 | hp = hci_proto[HCI_PROTO_SCO]; | |
451 | if (hp && hp->connect_ind) | |
452 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
453 | ||
454 | return mask; | |
455 | } | |
456 | ||
457 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
458 | { | |
459 | register struct hci_proto *hp; | |
460 | ||
461 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
462 | if (hp && hp->connect_cfm) | |
463 | hp->connect_cfm(conn, status); | |
464 | ||
465 | hp = hci_proto[HCI_PROTO_SCO]; | |
466 | if (hp && hp->connect_cfm) | |
467 | hp->connect_cfm(conn, status); | |
468 | } | |
469 | ||
470 | static inline void hci_proto_disconn_ind(struct hci_conn *conn, __u8 reason) | |
471 | { | |
472 | register struct hci_proto *hp; | |
473 | ||
474 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
475 | if (hp && hp->disconn_ind) | |
476 | hp->disconn_ind(conn, reason); | |
477 | ||
478 | hp = hci_proto[HCI_PROTO_SCO]; | |
479 | if (hp && hp->disconn_ind) | |
480 | hp->disconn_ind(conn, reason); | |
481 | } | |
482 | ||
483 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
484 | { | |
485 | register struct hci_proto *hp; | |
486 | ||
487 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
488 | if (hp && hp->auth_cfm) | |
489 | hp->auth_cfm(conn, status); | |
490 | ||
491 | hp = hci_proto[HCI_PROTO_SCO]; | |
492 | if (hp && hp->auth_cfm) | |
493 | hp->auth_cfm(conn, status); | |
494 | } | |
495 | ||
496 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status) | |
497 | { | |
498 | register struct hci_proto *hp; | |
499 | ||
500 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
501 | if (hp && hp->encrypt_cfm) | |
502 | hp->encrypt_cfm(conn, status); | |
503 | ||
504 | hp = hci_proto[HCI_PROTO_SCO]; | |
505 | if (hp && hp->encrypt_cfm) | |
506 | hp->encrypt_cfm(conn, status); | |
507 | } | |
508 | ||
509 | int hci_register_proto(struct hci_proto *hproto); | |
510 | int hci_unregister_proto(struct hci_proto *hproto); | |
511 | ||
512 | /* ----- HCI callbacks ----- */ | |
513 | struct hci_cb { | |
514 | struct list_head list; | |
515 | ||
516 | char *name; | |
517 | ||
518 | void (*auth_cfm) (struct hci_conn *conn, __u8 status); | |
519 | void (*encrypt_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); | |
520 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); | |
521 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
522 | }; | |
523 | ||
524 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
525 | { | |
526 | struct list_head *p; | |
527 | ||
528 | hci_proto_auth_cfm(conn, status); | |
529 | ||
530 | read_lock_bh(&hci_cb_list_lock); | |
531 | list_for_each(p, &hci_cb_list) { | |
532 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
533 | if (cb->auth_cfm) | |
534 | cb->auth_cfm(conn, status); | |
535 | } | |
536 | read_unlock_bh(&hci_cb_list_lock); | |
537 | } | |
538 | ||
539 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) | |
540 | { | |
541 | struct list_head *p; | |
542 | ||
543 | hci_proto_encrypt_cfm(conn, status); | |
544 | ||
545 | read_lock_bh(&hci_cb_list_lock); | |
546 | list_for_each(p, &hci_cb_list) { | |
547 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
548 | if (cb->encrypt_cfm) | |
549 | cb->encrypt_cfm(conn, status, encrypt); | |
550 | } | |
551 | read_unlock_bh(&hci_cb_list_lock); | |
552 | } | |
553 | ||
554 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
555 | { | |
556 | struct list_head *p; | |
557 | ||
558 | read_lock_bh(&hci_cb_list_lock); | |
559 | list_for_each(p, &hci_cb_list) { | |
560 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
561 | if (cb->key_change_cfm) | |
562 | cb->key_change_cfm(conn, status); | |
563 | } | |
564 | read_unlock_bh(&hci_cb_list_lock); | |
565 | } | |
566 | ||
567 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) | |
568 | { | |
569 | struct list_head *p; | |
570 | ||
571 | read_lock_bh(&hci_cb_list_lock); | |
572 | list_for_each(p, &hci_cb_list) { | |
573 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
574 | if (cb->role_switch_cfm) | |
575 | cb->role_switch_cfm(conn, status, role); | |
576 | } | |
577 | read_unlock_bh(&hci_cb_list_lock); | |
578 | } | |
579 | ||
580 | int hci_register_cb(struct hci_cb *hcb); | |
581 | int hci_unregister_cb(struct hci_cb *hcb); | |
582 | ||
583 | int hci_register_notifier(struct notifier_block *nb); | |
584 | int hci_unregister_notifier(struct notifier_block *nb); | |
585 | ||
586 | int hci_send_cmd(struct hci_dev *hdev, __u16 ogf, __u16 ocf, __u32 plen, void *param); | |
587 | int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); | |
588 | int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); | |
589 | ||
590 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 ogf, __u16 ocf); | |
591 | ||
592 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
593 | ||
594 | /* ----- HCI Sockets ----- */ | |
595 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); | |
596 | ||
597 | /* HCI info for socket */ | |
598 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
599 | ||
600 | struct hci_pinfo { | |
601 | struct bt_sock bt; | |
602 | struct hci_dev *hdev; | |
603 | struct hci_filter filter; | |
604 | __u32 cmsg_mask; | |
605 | }; | |
606 | ||
607 | /* HCI security filter */ | |
608 | #define HCI_SFLT_MAX_OGF 5 | |
609 | ||
610 | struct hci_sec_filter { | |
611 | __u32 type_mask; | |
612 | __u32 event_mask[2]; | |
613 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
614 | }; | |
615 | ||
616 | /* ----- HCI requests ----- */ | |
617 | #define HCI_REQ_DONE 0 | |
618 | #define HCI_REQ_PEND 1 | |
619 | #define HCI_REQ_CANCELED 2 | |
620 | ||
621 | #define hci_req_lock(d) down(&d->req_lock) | |
622 | #define hci_req_unlock(d) up(&d->req_lock) | |
623 | ||
624 | void hci_req_complete(struct hci_dev *hdev, int result); | |
625 | ||
626 | #endif /* __HCI_CORE_H */ |