Commit | Line | Data |
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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 | ||
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 LT |
42 | __s8 rssi; |
43 | }; | |
44 | ||
45 | struct inquiry_entry { | |
46 | struct inquiry_entry *next; | |
47 | __u32 timestamp; | |
48 | struct inquiry_data data; | |
49 | }; | |
50 | ||
51 | struct inquiry_cache { | |
52 | spinlock_t lock; | |
53 | __u32 timestamp; | |
54 | struct inquiry_entry *list; | |
55 | }; | |
56 | ||
57 | struct hci_conn_hash { | |
58 | struct list_head list; | |
59 | spinlock_t lock; | |
60 | unsigned int acl_num; | |
61 | unsigned int sco_num; | |
62 | }; | |
63 | ||
64 | struct hci_dev { | |
65 | struct list_head list; | |
66 | spinlock_t lock; | |
67 | atomic_t refcnt; | |
68 | ||
69 | char name[8]; | |
70 | unsigned long flags; | |
71 | __u16 id; | |
72 | __u8 type; | |
73 | bdaddr_t bdaddr; | |
74 | __u8 features[8]; | |
1143e5a6 MH |
75 | __u8 hci_ver; |
76 | __u16 hci_rev; | |
77 | __u16 manufacturer; | |
1da177e4 LT |
78 | __u16 voice_setting; |
79 | ||
80 | __u16 pkt_type; | |
81 | __u16 link_policy; | |
82 | __u16 link_mode; | |
83 | ||
04837f64 MH |
84 | __u32 idle_timeout; |
85 | __u16 sniff_min_interval; | |
86 | __u16 sniff_max_interval; | |
87 | ||
1da177e4 LT |
88 | unsigned long quirks; |
89 | ||
90 | atomic_t cmd_cnt; | |
91 | unsigned int acl_cnt; | |
92 | unsigned int sco_cnt; | |
93 | ||
94 | unsigned int acl_mtu; | |
95 | unsigned int sco_mtu; | |
96 | unsigned int acl_pkts; | |
97 | unsigned int sco_pkts; | |
98 | ||
99 | unsigned long cmd_last_tx; | |
100 | unsigned long acl_last_tx; | |
101 | unsigned long sco_last_tx; | |
102 | ||
103 | struct tasklet_struct cmd_task; | |
104 | struct tasklet_struct rx_task; | |
105 | struct tasklet_struct tx_task; | |
106 | ||
107 | struct sk_buff_head rx_q; | |
108 | struct sk_buff_head raw_q; | |
109 | struct sk_buff_head cmd_q; | |
110 | ||
111 | struct sk_buff *sent_cmd; | |
112 | ||
113 | struct semaphore req_lock; | |
114 | wait_queue_head_t req_wait_q; | |
115 | __u32 req_status; | |
116 | __u32 req_result; | |
117 | ||
118 | struct inquiry_cache inq_cache; | |
119 | struct hci_conn_hash conn_hash; | |
120 | ||
121 | struct hci_dev_stats stat; | |
122 | ||
123 | struct sk_buff_head driver_init; | |
124 | ||
125 | void *driver_data; | |
126 | void *core_data; | |
127 | ||
128 | atomic_t promisc; | |
129 | ||
a91f2e39 MH |
130 | struct device *parent; |
131 | struct device dev; | |
1da177e4 LT |
132 | |
133 | struct module *owner; | |
134 | ||
135 | int (*open)(struct hci_dev *hdev); | |
136 | int (*close)(struct hci_dev *hdev); | |
137 | int (*flush)(struct hci_dev *hdev); | |
138 | int (*send)(struct sk_buff *skb); | |
139 | void (*destruct)(struct hci_dev *hdev); | |
140 | void (*notify)(struct hci_dev *hdev, unsigned int evt); | |
141 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
142 | }; | |
143 | ||
144 | struct hci_conn { | |
145 | struct list_head list; | |
146 | ||
147 | atomic_t refcnt; | |
148 | spinlock_t lock; | |
149 | ||
150 | bdaddr_t dst; | |
151 | __u16 handle; | |
152 | __u16 state; | |
04837f64 | 153 | __u8 mode; |
1da177e4 LT |
154 | __u8 type; |
155 | __u8 out; | |
4c67bc74 | 156 | __u8 attempt; |
1da177e4 | 157 | __u8 dev_class[3]; |
04837f64 MH |
158 | __u8 features[8]; |
159 | __u16 interval; | |
160 | __u16 link_policy; | |
1da177e4 | 161 | __u32 link_mode; |
04837f64 | 162 | __u8 power_save; |
1da177e4 | 163 | unsigned long pend; |
04837f64 | 164 | |
1da177e4 | 165 | unsigned int sent; |
04837f64 | 166 | |
1da177e4 LT |
167 | struct sk_buff_head data_q; |
168 | ||
04837f64 MH |
169 | struct timer_list disc_timer; |
170 | struct timer_list idle_timer; | |
171 | ||
b219e3ac MH |
172 | struct work_struct work; |
173 | ||
174 | struct device dev; | |
175 | ||
1da177e4 LT |
176 | struct hci_dev *hdev; |
177 | void *l2cap_data; | |
178 | void *sco_data; | |
179 | void *priv; | |
180 | ||
181 | struct hci_conn *link; | |
182 | }; | |
183 | ||
184 | extern struct hci_proto *hci_proto[]; | |
185 | extern struct list_head hci_dev_list; | |
186 | extern struct list_head hci_cb_list; | |
187 | extern rwlock_t hci_dev_list_lock; | |
188 | extern rwlock_t hci_cb_list_lock; | |
189 | ||
190 | /* ----- Inquiry cache ----- */ | |
191 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) // 30 seconds | |
192 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) // 60 seconds | |
193 | ||
194 | #define inquiry_cache_lock(c) spin_lock(&c->lock) | |
195 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) | |
196 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) | |
197 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) | |
198 | ||
199 | static inline void inquiry_cache_init(struct hci_dev *hdev) | |
200 | { | |
201 | struct inquiry_cache *c = &hdev->inq_cache; | |
202 | spin_lock_init(&c->lock); | |
203 | c->list = NULL; | |
204 | } | |
205 | ||
206 | static inline int inquiry_cache_empty(struct hci_dev *hdev) | |
207 | { | |
208 | struct inquiry_cache *c = &hdev->inq_cache; | |
209 | return (c->list == NULL); | |
210 | } | |
211 | ||
212 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
213 | { | |
214 | struct inquiry_cache *c = &hdev->inq_cache; | |
215 | return jiffies - c->timestamp; | |
216 | } | |
217 | ||
218 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
219 | { | |
220 | return jiffies - e->timestamp; | |
221 | } | |
222 | ||
223 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
224 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); | |
225 | ||
226 | /* ----- HCI Connections ----- */ | |
227 | enum { | |
228 | HCI_CONN_AUTH_PEND, | |
229 | HCI_CONN_ENCRYPT_PEND, | |
04837f64 MH |
230 | HCI_CONN_RSWITCH_PEND, |
231 | HCI_CONN_MODE_CHANGE_PEND, | |
1da177e4 LT |
232 | }; |
233 | ||
234 | static inline void hci_conn_hash_init(struct hci_dev *hdev) | |
235 | { | |
236 | struct hci_conn_hash *h = &hdev->conn_hash; | |
237 | INIT_LIST_HEAD(&h->list); | |
238 | spin_lock_init(&h->lock); | |
239 | h->acl_num = 0; | |
240 | h->sco_num = 0; | |
241 | } | |
242 | ||
243 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
244 | { | |
245 | struct hci_conn_hash *h = &hdev->conn_hash; | |
246 | list_add(&c->list, &h->list); | |
247 | if (c->type == ACL_LINK) | |
248 | h->acl_num++; | |
249 | else | |
250 | h->sco_num++; | |
251 | } | |
252 | ||
253 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
254 | { | |
255 | struct hci_conn_hash *h = &hdev->conn_hash; | |
256 | list_del(&c->list); | |
257 | if (c->type == ACL_LINK) | |
258 | h->acl_num--; | |
259 | else | |
260 | h->sco_num--; | |
261 | } | |
262 | ||
263 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, | |
264 | __u16 handle) | |
265 | { | |
266 | struct hci_conn_hash *h = &hdev->conn_hash; | |
267 | struct list_head *p; | |
268 | struct hci_conn *c; | |
269 | ||
270 | list_for_each(p, &h->list) { | |
271 | c = list_entry(p, struct hci_conn, list); | |
272 | if (c->handle == handle) | |
273 | return c; | |
274 | } | |
275 | return NULL; | |
276 | } | |
277 | ||
278 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
279 | __u8 type, bdaddr_t *ba) | |
280 | { | |
281 | struct hci_conn_hash *h = &hdev->conn_hash; | |
282 | struct list_head *p; | |
283 | struct hci_conn *c; | |
284 | ||
285 | list_for_each(p, &h->list) { | |
286 | c = list_entry(p, struct hci_conn, list); | |
287 | if (c->type == type && !bacmp(&c->dst, ba)) | |
288 | return c; | |
289 | } | |
290 | return NULL; | |
291 | } | |
292 | ||
4c67bc74 MH |
293 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
294 | __u8 type, __u16 state) | |
295 | { | |
296 | struct hci_conn_hash *h = &hdev->conn_hash; | |
297 | struct list_head *p; | |
298 | struct hci_conn *c; | |
299 | ||
300 | list_for_each(p, &h->list) { | |
301 | c = list_entry(p, struct hci_conn, list); | |
302 | if (c->type == type && c->state == state) | |
303 | return c; | |
304 | } | |
305 | return NULL; | |
306 | } | |
307 | ||
308 | void hci_acl_connect(struct hci_conn *conn); | |
1da177e4 LT |
309 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
310 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
311 | ||
312 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
313 | int hci_conn_del(struct hci_conn *conn); | |
314 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
315 | ||
316 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *src); | |
317 | int hci_conn_auth(struct hci_conn *conn); | |
318 | int hci_conn_encrypt(struct hci_conn *conn); | |
319 | int hci_conn_change_link_key(struct hci_conn *conn); | |
320 | int hci_conn_switch_role(struct hci_conn *conn, uint8_t role); | |
321 | ||
04837f64 MH |
322 | void hci_conn_enter_active_mode(struct hci_conn *conn); |
323 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); | |
1da177e4 LT |
324 | |
325 | static inline void hci_conn_hold(struct hci_conn *conn) | |
326 | { | |
327 | atomic_inc(&conn->refcnt); | |
04837f64 | 328 | del_timer(&conn->disc_timer); |
1da177e4 LT |
329 | } |
330 | ||
331 | static inline void hci_conn_put(struct hci_conn *conn) | |
332 | { | |
333 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 334 | unsigned long timeo; |
1da177e4 | 335 | if (conn->type == ACL_LINK) { |
04837f64 | 336 | del_timer(&conn->idle_timer); |
6ac59344 MH |
337 | if (conn->state == BT_CONNECTED) { |
338 | timeo = msecs_to_jiffies(HCI_DISCONN_TIMEOUT); | |
339 | if (!conn->out) | |
340 | timeo *= 2; | |
341 | } else | |
342 | timeo = msecs_to_jiffies(10); | |
1da177e4 | 343 | } else |
04837f64 MH |
344 | timeo = msecs_to_jiffies(10); |
345 | mod_timer(&conn->disc_timer, jiffies + timeo); | |
1da177e4 LT |
346 | } |
347 | } | |
348 | ||
349 | /* ----- HCI tasks ----- */ | |
350 | static inline void hci_sched_cmd(struct hci_dev *hdev) | |
351 | { | |
352 | tasklet_schedule(&hdev->cmd_task); | |
353 | } | |
354 | ||
355 | static inline void hci_sched_rx(struct hci_dev *hdev) | |
356 | { | |
357 | tasklet_schedule(&hdev->rx_task); | |
358 | } | |
359 | ||
360 | static inline void hci_sched_tx(struct hci_dev *hdev) | |
361 | { | |
362 | tasklet_schedule(&hdev->tx_task); | |
363 | } | |
364 | ||
365 | /* ----- HCI Devices ----- */ | |
366 | static inline void __hci_dev_put(struct hci_dev *d) | |
367 | { | |
368 | if (atomic_dec_and_test(&d->refcnt)) | |
369 | d->destruct(d); | |
370 | } | |
371 | ||
372 | static inline void hci_dev_put(struct hci_dev *d) | |
373 | { | |
374 | __hci_dev_put(d); | |
375 | module_put(d->owner); | |
376 | } | |
377 | ||
378 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) | |
379 | { | |
380 | atomic_inc(&d->refcnt); | |
381 | return d; | |
382 | } | |
383 | ||
384 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) | |
385 | { | |
386 | if (try_module_get(d->owner)) | |
387 | return __hci_dev_hold(d); | |
388 | return NULL; | |
389 | } | |
390 | ||
391 | #define hci_dev_lock(d) spin_lock(&d->lock) | |
392 | #define hci_dev_unlock(d) spin_unlock(&d->lock) | |
393 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) | |
394 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) | |
395 | ||
396 | struct hci_dev *hci_dev_get(int index); | |
397 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
398 | ||
399 | struct hci_dev *hci_alloc_dev(void); | |
400 | void hci_free_dev(struct hci_dev *hdev); | |
401 | int hci_register_dev(struct hci_dev *hdev); | |
402 | int hci_unregister_dev(struct hci_dev *hdev); | |
403 | int hci_suspend_dev(struct hci_dev *hdev); | |
404 | int hci_resume_dev(struct hci_dev *hdev); | |
405 | int hci_dev_open(__u16 dev); | |
406 | int hci_dev_close(__u16 dev); | |
407 | int hci_dev_reset(__u16 dev); | |
408 | int hci_dev_reset_stat(__u16 dev); | |
409 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
410 | int hci_get_dev_list(void __user *arg); | |
411 | int hci_get_dev_info(void __user *arg); | |
412 | int hci_get_conn_list(void __user *arg); | |
413 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
414 | int hci_inquiry(void __user *arg); | |
415 | ||
416 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); | |
417 | ||
418 | /* Receive frame from HCI drivers */ | |
419 | static inline int hci_recv_frame(struct sk_buff *skb) | |
420 | { | |
421 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
422 | if (!hdev || (!test_bit(HCI_UP, &hdev->flags) | |
423 | && !test_bit(HCI_INIT, &hdev->flags))) { | |
424 | kfree_skb(skb); | |
425 | return -ENXIO; | |
426 | } | |
427 | ||
428 | /* Incomming skb */ | |
429 | bt_cb(skb)->incoming = 1; | |
430 | ||
431 | /* Time stamp */ | |
a61bbcf2 | 432 | __net_timestamp(skb); |
1da177e4 LT |
433 | |
434 | /* Queue frame for rx task */ | |
435 | skb_queue_tail(&hdev->rx_q, skb); | |
436 | hci_sched_rx(hdev); | |
437 | return 0; | |
438 | } | |
439 | ||
440 | int hci_register_sysfs(struct hci_dev *hdev); | |
441 | void hci_unregister_sysfs(struct hci_dev *hdev); | |
b219e3ac MH |
442 | void hci_conn_add_sysfs(struct hci_conn *conn); |
443 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 444 | |
a91f2e39 | 445 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
446 | |
447 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
448 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
449 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
450 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
451 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
1da177e4 LT |
452 | |
453 | /* ----- HCI protocols ----- */ | |
454 | struct hci_proto { | |
455 | char *name; | |
456 | unsigned int id; | |
457 | unsigned long flags; | |
458 | ||
459 | void *priv; | |
460 | ||
461 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); | |
462 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); | |
463 | int (*disconn_ind) (struct hci_conn *conn, __u8 reason); | |
464 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); | |
465 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); | |
466 | int (*auth_cfm) (struct hci_conn *conn, __u8 status); | |
467 | int (*encrypt_cfm) (struct hci_conn *conn, __u8 status); | |
468 | }; | |
469 | ||
470 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) | |
471 | { | |
472 | register struct hci_proto *hp; | |
473 | int mask = 0; | |
474 | ||
475 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
476 | if (hp && hp->connect_ind) | |
477 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
478 | ||
479 | hp = hci_proto[HCI_PROTO_SCO]; | |
480 | if (hp && hp->connect_ind) | |
481 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
482 | ||
483 | return mask; | |
484 | } | |
485 | ||
486 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
487 | { | |
488 | register struct hci_proto *hp; | |
489 | ||
490 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
491 | if (hp && hp->connect_cfm) | |
492 | hp->connect_cfm(conn, status); | |
493 | ||
494 | hp = hci_proto[HCI_PROTO_SCO]; | |
495 | if (hp && hp->connect_cfm) | |
496 | hp->connect_cfm(conn, status); | |
497 | } | |
498 | ||
499 | static inline void hci_proto_disconn_ind(struct hci_conn *conn, __u8 reason) | |
500 | { | |
501 | register struct hci_proto *hp; | |
502 | ||
503 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
504 | if (hp && hp->disconn_ind) | |
505 | hp->disconn_ind(conn, reason); | |
506 | ||
507 | hp = hci_proto[HCI_PROTO_SCO]; | |
508 | if (hp && hp->disconn_ind) | |
509 | hp->disconn_ind(conn, reason); | |
510 | } | |
511 | ||
512 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
513 | { | |
514 | register struct hci_proto *hp; | |
515 | ||
516 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
517 | if (hp && hp->auth_cfm) | |
518 | hp->auth_cfm(conn, status); | |
519 | ||
520 | hp = hci_proto[HCI_PROTO_SCO]; | |
521 | if (hp && hp->auth_cfm) | |
522 | hp->auth_cfm(conn, status); | |
523 | } | |
524 | ||
525 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status) | |
526 | { | |
527 | register struct hci_proto *hp; | |
528 | ||
529 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
530 | if (hp && hp->encrypt_cfm) | |
531 | hp->encrypt_cfm(conn, status); | |
532 | ||
533 | hp = hci_proto[HCI_PROTO_SCO]; | |
534 | if (hp && hp->encrypt_cfm) | |
535 | hp->encrypt_cfm(conn, status); | |
536 | } | |
537 | ||
538 | int hci_register_proto(struct hci_proto *hproto); | |
539 | int hci_unregister_proto(struct hci_proto *hproto); | |
540 | ||
541 | /* ----- HCI callbacks ----- */ | |
542 | struct hci_cb { | |
543 | struct list_head list; | |
544 | ||
545 | char *name; | |
546 | ||
547 | void (*auth_cfm) (struct hci_conn *conn, __u8 status); | |
548 | void (*encrypt_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); | |
549 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); | |
550 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
551 | }; | |
552 | ||
553 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
554 | { | |
555 | struct list_head *p; | |
556 | ||
557 | hci_proto_auth_cfm(conn, status); | |
558 | ||
559 | read_lock_bh(&hci_cb_list_lock); | |
560 | list_for_each(p, &hci_cb_list) { | |
561 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
562 | if (cb->auth_cfm) | |
563 | cb->auth_cfm(conn, status); | |
564 | } | |
565 | read_unlock_bh(&hci_cb_list_lock); | |
566 | } | |
567 | ||
568 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) | |
569 | { | |
570 | struct list_head *p; | |
571 | ||
572 | hci_proto_encrypt_cfm(conn, status); | |
573 | ||
574 | read_lock_bh(&hci_cb_list_lock); | |
575 | list_for_each(p, &hci_cb_list) { | |
576 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
577 | if (cb->encrypt_cfm) | |
578 | cb->encrypt_cfm(conn, status, encrypt); | |
579 | } | |
580 | read_unlock_bh(&hci_cb_list_lock); | |
581 | } | |
582 | ||
583 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
584 | { | |
585 | struct list_head *p; | |
586 | ||
587 | read_lock_bh(&hci_cb_list_lock); | |
588 | list_for_each(p, &hci_cb_list) { | |
589 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
590 | if (cb->key_change_cfm) | |
591 | cb->key_change_cfm(conn, status); | |
592 | } | |
593 | read_unlock_bh(&hci_cb_list_lock); | |
594 | } | |
595 | ||
596 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) | |
597 | { | |
598 | struct list_head *p; | |
599 | ||
600 | read_lock_bh(&hci_cb_list_lock); | |
601 | list_for_each(p, &hci_cb_list) { | |
602 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
603 | if (cb->role_switch_cfm) | |
604 | cb->role_switch_cfm(conn, status, role); | |
605 | } | |
606 | read_unlock_bh(&hci_cb_list_lock); | |
607 | } | |
608 | ||
609 | int hci_register_cb(struct hci_cb *hcb); | |
610 | int hci_unregister_cb(struct hci_cb *hcb); | |
611 | ||
612 | int hci_register_notifier(struct notifier_block *nb); | |
613 | int hci_unregister_notifier(struct notifier_block *nb); | |
614 | ||
615 | int hci_send_cmd(struct hci_dev *hdev, __u16 ogf, __u16 ocf, __u32 plen, void *param); | |
616 | int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); | |
617 | int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); | |
618 | ||
619 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 ogf, __u16 ocf); | |
620 | ||
621 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
622 | ||
623 | /* ----- HCI Sockets ----- */ | |
624 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); | |
625 | ||
626 | /* HCI info for socket */ | |
627 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
628 | ||
629 | struct hci_pinfo { | |
630 | struct bt_sock bt; | |
631 | struct hci_dev *hdev; | |
632 | struct hci_filter filter; | |
633 | __u32 cmsg_mask; | |
634 | }; | |
635 | ||
636 | /* HCI security filter */ | |
637 | #define HCI_SFLT_MAX_OGF 5 | |
638 | ||
639 | struct hci_sec_filter { | |
640 | __u32 type_mask; | |
641 | __u32 event_mask[2]; | |
642 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
643 | }; | |
644 | ||
645 | /* ----- HCI requests ----- */ | |
646 | #define HCI_REQ_DONE 0 | |
647 | #define HCI_REQ_PEND 1 | |
648 | #define HCI_REQ_CANCELED 2 | |
649 | ||
650 | #define hci_req_lock(d) down(&d->req_lock) | |
651 | #define hci_req_unlock(d) up(&d->req_lock) | |
652 | ||
653 | void hci_req_complete(struct hci_dev *hdev, int result); | |
654 | ||
655 | #endif /* __HCI_CORE_H */ |