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