Commit | Line | Data |
---|---|---|
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 | 42 | __s8 rssi; |
41a96212 | 43 | __u8 ssp_mode; |
1da177e4 LT |
44 | }; |
45 | ||
46 | struct inquiry_entry { | |
47 | struct inquiry_entry *next; | |
48 | __u32 timestamp; | |
49 | struct inquiry_data data; | |
50 | }; | |
51 | ||
52 | struct inquiry_cache { | |
53 | spinlock_t lock; | |
54 | __u32 timestamp; | |
55 | struct inquiry_entry *list; | |
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; | |
63 | }; | |
64 | ||
f0358568 JH |
65 | struct bdaddr_list { |
66 | struct list_head list; | |
67 | bdaddr_t bdaddr; | |
68 | }; | |
69 | ||
1da177e4 LT |
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; | |
c13854ce | 78 | __u8 bus; |
943da25d | 79 | __u8 dev_type; |
1da177e4 | 80 | bdaddr_t bdaddr; |
a9de9248 MH |
81 | __u8 dev_name[248]; |
82 | __u8 dev_class[3]; | |
1da177e4 | 83 | __u8 features[8]; |
a9de9248 | 84 | __u8 commands[64]; |
333140b5 | 85 | __u8 ssp_mode; |
1143e5a6 MH |
86 | __u8 hci_ver; |
87 | __u16 hci_rev; | |
88 | __u16 manufacturer; | |
1da177e4 LT |
89 | __u16 voice_setting; |
90 | ||
91 | __u16 pkt_type; | |
5b7f9909 | 92 | __u16 esco_type; |
1da177e4 LT |
93 | __u16 link_policy; |
94 | __u16 link_mode; | |
95 | ||
04837f64 MH |
96 | __u32 idle_timeout; |
97 | __u16 sniff_min_interval; | |
98 | __u16 sniff_max_interval; | |
99 | ||
1da177e4 LT |
100 | unsigned long quirks; |
101 | ||
102 | atomic_t cmd_cnt; | |
103 | unsigned int acl_cnt; | |
104 | unsigned int sco_cnt; | |
105 | ||
106 | unsigned int acl_mtu; | |
107 | unsigned int sco_mtu; | |
108 | unsigned int acl_pkts; | |
109 | unsigned int sco_pkts; | |
110 | ||
111 | unsigned long cmd_last_tx; | |
112 | unsigned long acl_last_tx; | |
113 | unsigned long sco_last_tx; | |
114 | ||
f48fd9c8 MH |
115 | struct workqueue_struct *workqueue; |
116 | ||
1da177e4 LT |
117 | struct tasklet_struct cmd_task; |
118 | struct tasklet_struct rx_task; | |
119 | struct tasklet_struct tx_task; | |
120 | ||
121 | struct sk_buff_head rx_q; | |
122 | struct sk_buff_head raw_q; | |
123 | struct sk_buff_head cmd_q; | |
124 | ||
125 | struct sk_buff *sent_cmd; | |
ef222013 | 126 | struct sk_buff *reassembly[3]; |
1da177e4 | 127 | |
a6a67efd | 128 | struct mutex req_lock; |
1da177e4 LT |
129 | wait_queue_head_t req_wait_q; |
130 | __u32 req_status; | |
131 | __u32 req_result; | |
132 | ||
133 | struct inquiry_cache inq_cache; | |
134 | struct hci_conn_hash conn_hash; | |
f0358568 | 135 | struct bdaddr_list blacklist; |
1da177e4 LT |
136 | |
137 | struct hci_dev_stats stat; | |
138 | ||
139 | struct sk_buff_head driver_init; | |
140 | ||
141 | void *driver_data; | |
142 | void *core_data; | |
143 | ||
144 | atomic_t promisc; | |
145 | ||
ca325f69 MH |
146 | struct dentry *debugfs; |
147 | ||
a91f2e39 MH |
148 | struct device *parent; |
149 | struct device dev; | |
1da177e4 | 150 | |
611b30f7 MH |
151 | struct rfkill *rfkill; |
152 | ||
1da177e4 LT |
153 | struct module *owner; |
154 | ||
155 | int (*open)(struct hci_dev *hdev); | |
156 | int (*close)(struct hci_dev *hdev); | |
157 | int (*flush)(struct hci_dev *hdev); | |
158 | int (*send)(struct sk_buff *skb); | |
159 | void (*destruct)(struct hci_dev *hdev); | |
160 | void (*notify)(struct hci_dev *hdev, unsigned int evt); | |
161 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
162 | }; | |
163 | ||
164 | struct hci_conn { | |
165 | struct list_head list; | |
166 | ||
167 | atomic_t refcnt; | |
168 | spinlock_t lock; | |
169 | ||
170 | bdaddr_t dst; | |
171 | __u16 handle; | |
172 | __u16 state; | |
04837f64 | 173 | __u8 mode; |
1da177e4 LT |
174 | __u8 type; |
175 | __u8 out; | |
4c67bc74 | 176 | __u8 attempt; |
1da177e4 | 177 | __u8 dev_class[3]; |
04837f64 | 178 | __u8 features[8]; |
41a96212 | 179 | __u8 ssp_mode; |
04837f64 | 180 | __u16 interval; |
a8746417 | 181 | __u16 pkt_type; |
04837f64 | 182 | __u16 link_policy; |
1da177e4 | 183 | __u32 link_mode; |
40be492f | 184 | __u8 auth_type; |
8c1b2355 | 185 | __u8 sec_level; |
04837f64 | 186 | __u8 power_save; |
052b30b0 | 187 | __u16 disc_timeout; |
1da177e4 | 188 | unsigned long pend; |
04837f64 | 189 | |
1da177e4 | 190 | unsigned int sent; |
04837f64 | 191 | |
1da177e4 LT |
192 | struct sk_buff_head data_q; |
193 | ||
04837f64 MH |
194 | struct timer_list disc_timer; |
195 | struct timer_list idle_timer; | |
196 | ||
f3784d83 RQ |
197 | struct work_struct work_add; |
198 | struct work_struct work_del; | |
b219e3ac MH |
199 | |
200 | struct device dev; | |
9eba32b8 | 201 | atomic_t devref; |
b219e3ac | 202 | |
1da177e4 LT |
203 | struct hci_dev *hdev; |
204 | void *l2cap_data; | |
205 | void *sco_data; | |
206 | void *priv; | |
207 | ||
208 | struct hci_conn *link; | |
209 | }; | |
210 | ||
211 | extern struct hci_proto *hci_proto[]; | |
212 | extern struct list_head hci_dev_list; | |
213 | extern struct list_head hci_cb_list; | |
214 | extern rwlock_t hci_dev_list_lock; | |
215 | extern rwlock_t hci_cb_list_lock; | |
216 | ||
217 | /* ----- Inquiry cache ----- */ | |
218 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) // 30 seconds | |
219 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) // 60 seconds | |
220 | ||
221 | #define inquiry_cache_lock(c) spin_lock(&c->lock) | |
222 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) | |
223 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) | |
224 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) | |
225 | ||
226 | static inline void inquiry_cache_init(struct hci_dev *hdev) | |
227 | { | |
228 | struct inquiry_cache *c = &hdev->inq_cache; | |
229 | spin_lock_init(&c->lock); | |
230 | c->list = NULL; | |
231 | } | |
232 | ||
233 | static inline int inquiry_cache_empty(struct hci_dev *hdev) | |
234 | { | |
235 | struct inquiry_cache *c = &hdev->inq_cache; | |
236 | return (c->list == NULL); | |
237 | } | |
238 | ||
239 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
240 | { | |
241 | struct inquiry_cache *c = &hdev->inq_cache; | |
242 | return jiffies - c->timestamp; | |
243 | } | |
244 | ||
245 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
246 | { | |
247 | return jiffies - e->timestamp; | |
248 | } | |
249 | ||
250 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
251 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); | |
252 | ||
253 | /* ----- HCI Connections ----- */ | |
254 | enum { | |
255 | HCI_CONN_AUTH_PEND, | |
256 | HCI_CONN_ENCRYPT_PEND, | |
04837f64 MH |
257 | HCI_CONN_RSWITCH_PEND, |
258 | HCI_CONN_MODE_CHANGE_PEND, | |
1da177e4 LT |
259 | }; |
260 | ||
261 | static inline void hci_conn_hash_init(struct hci_dev *hdev) | |
262 | { | |
263 | struct hci_conn_hash *h = &hdev->conn_hash; | |
264 | INIT_LIST_HEAD(&h->list); | |
265 | spin_lock_init(&h->lock); | |
266 | h->acl_num = 0; | |
267 | h->sco_num = 0; | |
268 | } | |
269 | ||
270 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
271 | { | |
272 | struct hci_conn_hash *h = &hdev->conn_hash; | |
273 | list_add(&c->list, &h->list); | |
274 | if (c->type == ACL_LINK) | |
275 | h->acl_num++; | |
276 | else | |
277 | h->sco_num++; | |
278 | } | |
279 | ||
280 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
281 | { | |
282 | struct hci_conn_hash *h = &hdev->conn_hash; | |
283 | list_del(&c->list); | |
284 | if (c->type == ACL_LINK) | |
285 | h->acl_num--; | |
286 | else | |
287 | h->sco_num--; | |
288 | } | |
289 | ||
290 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, | |
291 | __u16 handle) | |
292 | { | |
293 | struct hci_conn_hash *h = &hdev->conn_hash; | |
294 | struct list_head *p; | |
295 | struct hci_conn *c; | |
296 | ||
297 | list_for_each(p, &h->list) { | |
298 | c = list_entry(p, struct hci_conn, list); | |
299 | if (c->handle == handle) | |
300 | return c; | |
301 | } | |
302 | return NULL; | |
303 | } | |
304 | ||
305 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
306 | __u8 type, bdaddr_t *ba) | |
307 | { | |
308 | struct hci_conn_hash *h = &hdev->conn_hash; | |
309 | struct list_head *p; | |
310 | struct hci_conn *c; | |
311 | ||
312 | list_for_each(p, &h->list) { | |
313 | c = list_entry(p, struct hci_conn, list); | |
314 | if (c->type == type && !bacmp(&c->dst, ba)) | |
315 | return c; | |
316 | } | |
317 | return NULL; | |
318 | } | |
319 | ||
4c67bc74 MH |
320 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
321 | __u8 type, __u16 state) | |
322 | { | |
323 | struct hci_conn_hash *h = &hdev->conn_hash; | |
324 | struct list_head *p; | |
325 | struct hci_conn *c; | |
326 | ||
327 | list_for_each(p, &h->list) { | |
328 | c = list_entry(p, struct hci_conn, list); | |
329 | if (c->type == type && c->state == state) | |
330 | return c; | |
331 | } | |
332 | return NULL; | |
333 | } | |
334 | ||
335 | void hci_acl_connect(struct hci_conn *conn); | |
1da177e4 LT |
336 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
337 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 338 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
1da177e4 LT |
339 | |
340 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
341 | int hci_conn_del(struct hci_conn *conn); |
342 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
343 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 344 | |
8c1b2355 | 345 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); |
e7c29cb1 | 346 | int hci_conn_check_link_mode(struct hci_conn *conn); |
0684e5f9 | 347 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 348 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 349 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 350 | |
04837f64 MH |
351 | void hci_conn_enter_active_mode(struct hci_conn *conn); |
352 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); | |
1da177e4 | 353 | |
9eba32b8 MH |
354 | void hci_conn_hold_device(struct hci_conn *conn); |
355 | void hci_conn_put_device(struct hci_conn *conn); | |
356 | ||
1da177e4 LT |
357 | static inline void hci_conn_hold(struct hci_conn *conn) |
358 | { | |
359 | atomic_inc(&conn->refcnt); | |
04837f64 | 360 | del_timer(&conn->disc_timer); |
1da177e4 LT |
361 | } |
362 | ||
363 | static inline void hci_conn_put(struct hci_conn *conn) | |
364 | { | |
365 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 366 | unsigned long timeo; |
1da177e4 | 367 | if (conn->type == ACL_LINK) { |
04837f64 | 368 | del_timer(&conn->idle_timer); |
6ac59344 | 369 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 370 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 371 | if (!conn->out) |
052b30b0 | 372 | timeo *= 2; |
6ac59344 MH |
373 | } else |
374 | timeo = msecs_to_jiffies(10); | |
1da177e4 | 375 | } else |
04837f64 MH |
376 | timeo = msecs_to_jiffies(10); |
377 | mod_timer(&conn->disc_timer, jiffies + timeo); | |
1da177e4 LT |
378 | } |
379 | } | |
380 | ||
1da177e4 LT |
381 | /* ----- HCI Devices ----- */ |
382 | static inline void __hci_dev_put(struct hci_dev *d) | |
383 | { | |
384 | if (atomic_dec_and_test(&d->refcnt)) | |
385 | d->destruct(d); | |
386 | } | |
387 | ||
388 | static inline void hci_dev_put(struct hci_dev *d) | |
389 | { | |
390 | __hci_dev_put(d); | |
391 | module_put(d->owner); | |
392 | } | |
393 | ||
394 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) | |
395 | { | |
396 | atomic_inc(&d->refcnt); | |
397 | return d; | |
398 | } | |
399 | ||
400 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) | |
401 | { | |
402 | if (try_module_get(d->owner)) | |
403 | return __hci_dev_hold(d); | |
404 | return NULL; | |
405 | } | |
406 | ||
407 | #define hci_dev_lock(d) spin_lock(&d->lock) | |
408 | #define hci_dev_unlock(d) spin_unlock(&d->lock) | |
409 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) | |
410 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) | |
411 | ||
412 | struct hci_dev *hci_dev_get(int index); | |
413 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
414 | ||
415 | struct hci_dev *hci_alloc_dev(void); | |
416 | void hci_free_dev(struct hci_dev *hdev); | |
417 | int hci_register_dev(struct hci_dev *hdev); | |
418 | int hci_unregister_dev(struct hci_dev *hdev); | |
419 | int hci_suspend_dev(struct hci_dev *hdev); | |
420 | int hci_resume_dev(struct hci_dev *hdev); | |
421 | int hci_dev_open(__u16 dev); | |
422 | int hci_dev_close(__u16 dev); | |
423 | int hci_dev_reset(__u16 dev); | |
424 | int hci_dev_reset_stat(__u16 dev); | |
425 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
426 | int hci_get_dev_list(void __user *arg); | |
427 | int hci_get_dev_info(void __user *arg); | |
428 | int hci_get_conn_list(void __user *arg); | |
429 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 430 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
431 | int hci_inquiry(void __user *arg); |
432 | ||
f0358568 JH |
433 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
434 | int hci_blacklist_clear(struct hci_dev *hdev); | |
435 | ||
1da177e4 LT |
436 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
437 | ||
76bca880 | 438 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 MH |
439 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
440 | ||
1da177e4 LT |
441 | int hci_register_sysfs(struct hci_dev *hdev); |
442 | void hci_unregister_sysfs(struct hci_dev *hdev); | |
a67e899c | 443 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
444 | void hci_conn_add_sysfs(struct hci_conn *conn); |
445 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 446 | |
a91f2e39 | 447 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
448 | |
449 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
450 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
451 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
452 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
453 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 454 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 455 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
1da177e4 LT |
456 | |
457 | /* ----- HCI protocols ----- */ | |
458 | struct hci_proto { | |
8c1b2355 | 459 | char *name; |
1da177e4 LT |
460 | unsigned int id; |
461 | unsigned long flags; | |
462 | ||
463 | void *priv; | |
464 | ||
8c1b2355 | 465 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); |
1da177e4 | 466 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); |
2950f21a MH |
467 | int (*disconn_ind) (struct hci_conn *conn); |
468 | int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); | |
1da177e4 LT |
469 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
470 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); | |
8c1b2355 | 471 | int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
1da177e4 LT |
472 | }; |
473 | ||
474 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) | |
475 | { | |
476 | register struct hci_proto *hp; | |
477 | int mask = 0; | |
8c1b2355 | 478 | |
1da177e4 LT |
479 | hp = hci_proto[HCI_PROTO_L2CAP]; |
480 | if (hp && hp->connect_ind) | |
481 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
482 | ||
483 | hp = hci_proto[HCI_PROTO_SCO]; | |
484 | if (hp && hp->connect_ind) | |
485 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
486 | ||
487 | return mask; | |
488 | } | |
489 | ||
490 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
491 | { | |
492 | register struct hci_proto *hp; | |
493 | ||
494 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
495 | if (hp && hp->connect_cfm) | |
496 | hp->connect_cfm(conn, status); | |
497 | ||
498 | hp = hci_proto[HCI_PROTO_SCO]; | |
499 | if (hp && hp->connect_cfm) | |
500 | hp->connect_cfm(conn, status); | |
501 | } | |
502 | ||
2950f21a | 503 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 LT |
504 | { |
505 | register struct hci_proto *hp; | |
2950f21a | 506 | int reason = 0x13; |
1da177e4 LT |
507 | |
508 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
509 | if (hp && hp->disconn_ind) | |
2950f21a | 510 | reason = hp->disconn_ind(conn); |
1da177e4 LT |
511 | |
512 | hp = hci_proto[HCI_PROTO_SCO]; | |
513 | if (hp && hp->disconn_ind) | |
2950f21a MH |
514 | reason = hp->disconn_ind(conn); |
515 | ||
516 | return reason; | |
517 | } | |
518 | ||
519 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
520 | { | |
521 | register struct hci_proto *hp; | |
522 | ||
523 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
524 | if (hp && hp->disconn_cfm) | |
525 | hp->disconn_cfm(conn, reason); | |
526 | ||
527 | hp = hci_proto[HCI_PROTO_SCO]; | |
528 | if (hp && hp->disconn_cfm) | |
529 | hp->disconn_cfm(conn, reason); | |
1da177e4 LT |
530 | } |
531 | ||
532 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
533 | { | |
534 | register struct hci_proto *hp; | |
8c1b2355 MH |
535 | __u8 encrypt; |
536 | ||
537 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) | |
538 | return; | |
539 | ||
540 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
1da177e4 LT |
541 | |
542 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
543 | if (hp && hp->security_cfm) |
544 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
545 | |
546 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
547 | if (hp && hp->security_cfm) |
548 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
549 | } |
550 | ||
9719f8af | 551 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) |
1da177e4 LT |
552 | { |
553 | register struct hci_proto *hp; | |
554 | ||
555 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
556 | if (hp && hp->security_cfm) |
557 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
558 | |
559 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
560 | if (hp && hp->security_cfm) |
561 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
562 | } |
563 | ||
564 | int hci_register_proto(struct hci_proto *hproto); | |
565 | int hci_unregister_proto(struct hci_proto *hproto); | |
566 | ||
567 | /* ----- HCI callbacks ----- */ | |
568 | struct hci_cb { | |
569 | struct list_head list; | |
570 | ||
571 | char *name; | |
572 | ||
8c1b2355 | 573 | void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
1da177e4 LT |
574 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
575 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
576 | }; | |
577 | ||
578 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
579 | { | |
580 | struct list_head *p; | |
8c1b2355 | 581 | __u8 encrypt; |
1da177e4 LT |
582 | |
583 | hci_proto_auth_cfm(conn, status); | |
584 | ||
8c1b2355 MH |
585 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) |
586 | return; | |
587 | ||
588 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
589 | ||
1da177e4 LT |
590 | read_lock_bh(&hci_cb_list_lock); |
591 | list_for_each(p, &hci_cb_list) { | |
592 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
593 | if (cb->security_cfm) |
594 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
595 | } |
596 | read_unlock_bh(&hci_cb_list_lock); | |
597 | } | |
598 | ||
599 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) | |
600 | { | |
601 | struct list_head *p; | |
602 | ||
435fef20 MH |
603 | if (conn->sec_level == BT_SECURITY_SDP) |
604 | conn->sec_level = BT_SECURITY_LOW; | |
605 | ||
9719f8af | 606 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 LT |
607 | |
608 | read_lock_bh(&hci_cb_list_lock); | |
609 | list_for_each(p, &hci_cb_list) { | |
610 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
611 | if (cb->security_cfm) |
612 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
613 | } |
614 | read_unlock_bh(&hci_cb_list_lock); | |
615 | } | |
616 | ||
617 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
618 | { | |
619 | struct list_head *p; | |
620 | ||
621 | read_lock_bh(&hci_cb_list_lock); | |
622 | list_for_each(p, &hci_cb_list) { | |
623 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
624 | if (cb->key_change_cfm) | |
625 | cb->key_change_cfm(conn, status); | |
626 | } | |
627 | read_unlock_bh(&hci_cb_list_lock); | |
628 | } | |
629 | ||
630 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) | |
631 | { | |
632 | struct list_head *p; | |
633 | ||
634 | read_lock_bh(&hci_cb_list_lock); | |
635 | list_for_each(p, &hci_cb_list) { | |
636 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
637 | if (cb->role_switch_cfm) | |
638 | cb->role_switch_cfm(conn, status, role); | |
639 | } | |
640 | read_unlock_bh(&hci_cb_list_lock); | |
641 | } | |
642 | ||
643 | int hci_register_cb(struct hci_cb *hcb); | |
644 | int hci_unregister_cb(struct hci_cb *hcb); | |
645 | ||
646 | int hci_register_notifier(struct notifier_block *nb); | |
647 | int hci_unregister_notifier(struct notifier_block *nb); | |
648 | ||
a9de9248 | 649 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
9a9c6a34 | 650 | void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
0d861d8b | 651 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 652 | |
a9de9248 | 653 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 LT |
654 | |
655 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
656 | ||
657 | /* ----- HCI Sockets ----- */ | |
658 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); | |
659 | ||
660 | /* HCI info for socket */ | |
661 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
662 | ||
663 | struct hci_pinfo { | |
664 | struct bt_sock bt; | |
665 | struct hci_dev *hdev; | |
666 | struct hci_filter filter; | |
667 | __u32 cmsg_mask; | |
668 | }; | |
669 | ||
670 | /* HCI security filter */ | |
671 | #define HCI_SFLT_MAX_OGF 5 | |
672 | ||
673 | struct hci_sec_filter { | |
674 | __u32 type_mask; | |
675 | __u32 event_mask[2]; | |
676 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
677 | }; | |
678 | ||
679 | /* ----- HCI requests ----- */ | |
680 | #define HCI_REQ_DONE 0 | |
681 | #define HCI_REQ_PEND 1 | |
682 | #define HCI_REQ_CANCELED 2 | |
683 | ||
a6a67efd TG |
684 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
685 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 LT |
686 | |
687 | void hci_req_complete(struct hci_dev *hdev, int result); | |
688 | ||
689 | #endif /* __HCI_CORE_H */ |