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 | ||
65 | struct hci_dev { | |
66 | struct list_head list; | |
67 | spinlock_t lock; | |
68 | atomic_t refcnt; | |
69 | ||
70 | char name[8]; | |
71 | unsigned long flags; | |
72 | __u16 id; | |
c13854ce | 73 | __u8 bus; |
943da25d | 74 | __u8 dev_type; |
1da177e4 | 75 | bdaddr_t bdaddr; |
a9de9248 MH |
76 | __u8 dev_name[248]; |
77 | __u8 dev_class[3]; | |
1da177e4 | 78 | __u8 features[8]; |
a9de9248 | 79 | __u8 commands[64]; |
333140b5 | 80 | __u8 ssp_mode; |
1143e5a6 MH |
81 | __u8 hci_ver; |
82 | __u16 hci_rev; | |
83 | __u16 manufacturer; | |
1da177e4 LT |
84 | __u16 voice_setting; |
85 | ||
86 | __u16 pkt_type; | |
5b7f9909 | 87 | __u16 esco_type; |
1da177e4 LT |
88 | __u16 link_policy; |
89 | __u16 link_mode; | |
90 | ||
04837f64 MH |
91 | __u32 idle_timeout; |
92 | __u16 sniff_min_interval; | |
93 | __u16 sniff_max_interval; | |
94 | ||
1da177e4 LT |
95 | unsigned long quirks; |
96 | ||
97 | atomic_t cmd_cnt; | |
98 | unsigned int acl_cnt; | |
99 | unsigned int sco_cnt; | |
100 | ||
101 | unsigned int acl_mtu; | |
102 | unsigned int sco_mtu; | |
103 | unsigned int acl_pkts; | |
104 | unsigned int sco_pkts; | |
105 | ||
106 | unsigned long cmd_last_tx; | |
107 | unsigned long acl_last_tx; | |
108 | unsigned long sco_last_tx; | |
109 | ||
f48fd9c8 MH |
110 | struct workqueue_struct *workqueue; |
111 | ||
1da177e4 LT |
112 | struct tasklet_struct cmd_task; |
113 | struct tasklet_struct rx_task; | |
114 | struct tasklet_struct tx_task; | |
115 | ||
116 | struct sk_buff_head rx_q; | |
117 | struct sk_buff_head raw_q; | |
118 | struct sk_buff_head cmd_q; | |
119 | ||
120 | struct sk_buff *sent_cmd; | |
ef222013 | 121 | struct sk_buff *reassembly[3]; |
1da177e4 | 122 | |
a6a67efd | 123 | struct mutex req_lock; |
1da177e4 LT |
124 | wait_queue_head_t req_wait_q; |
125 | __u32 req_status; | |
126 | __u32 req_result; | |
127 | ||
128 | struct inquiry_cache inq_cache; | |
129 | struct hci_conn_hash conn_hash; | |
130 | ||
131 | struct hci_dev_stats stat; | |
132 | ||
133 | struct sk_buff_head driver_init; | |
134 | ||
135 | void *driver_data; | |
136 | void *core_data; | |
137 | ||
138 | atomic_t promisc; | |
139 | ||
ca325f69 MH |
140 | struct dentry *debugfs; |
141 | ||
a91f2e39 MH |
142 | struct device *parent; |
143 | struct device dev; | |
1da177e4 | 144 | |
611b30f7 MH |
145 | struct rfkill *rfkill; |
146 | ||
1da177e4 LT |
147 | struct module *owner; |
148 | ||
149 | int (*open)(struct hci_dev *hdev); | |
150 | int (*close)(struct hci_dev *hdev); | |
151 | int (*flush)(struct hci_dev *hdev); | |
152 | int (*send)(struct sk_buff *skb); | |
153 | void (*destruct)(struct hci_dev *hdev); | |
154 | void (*notify)(struct hci_dev *hdev, unsigned int evt); | |
155 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
156 | }; | |
157 | ||
158 | struct hci_conn { | |
159 | struct list_head list; | |
160 | ||
161 | atomic_t refcnt; | |
162 | spinlock_t lock; | |
163 | ||
164 | bdaddr_t dst; | |
165 | __u16 handle; | |
166 | __u16 state; | |
04837f64 | 167 | __u8 mode; |
1da177e4 LT |
168 | __u8 type; |
169 | __u8 out; | |
4c67bc74 | 170 | __u8 attempt; |
1da177e4 | 171 | __u8 dev_class[3]; |
04837f64 | 172 | __u8 features[8]; |
41a96212 | 173 | __u8 ssp_mode; |
04837f64 | 174 | __u16 interval; |
a8746417 | 175 | __u16 pkt_type; |
04837f64 | 176 | __u16 link_policy; |
1da177e4 | 177 | __u32 link_mode; |
40be492f | 178 | __u8 auth_type; |
8c1b2355 | 179 | __u8 sec_level; |
04837f64 | 180 | __u8 power_save; |
052b30b0 | 181 | __u16 disc_timeout; |
1da177e4 | 182 | unsigned long pend; |
04837f64 | 183 | |
1da177e4 | 184 | unsigned int sent; |
04837f64 | 185 | |
1da177e4 LT |
186 | struct sk_buff_head data_q; |
187 | ||
04837f64 MH |
188 | struct timer_list disc_timer; |
189 | struct timer_list idle_timer; | |
190 | ||
f3784d83 RQ |
191 | struct work_struct work_add; |
192 | struct work_struct work_del; | |
b219e3ac MH |
193 | |
194 | struct device dev; | |
9eba32b8 | 195 | atomic_t devref; |
b219e3ac | 196 | |
1da177e4 LT |
197 | struct hci_dev *hdev; |
198 | void *l2cap_data; | |
199 | void *sco_data; | |
200 | void *priv; | |
201 | ||
202 | struct hci_conn *link; | |
203 | }; | |
204 | ||
205 | extern struct hci_proto *hci_proto[]; | |
206 | extern struct list_head hci_dev_list; | |
207 | extern struct list_head hci_cb_list; | |
208 | extern rwlock_t hci_dev_list_lock; | |
209 | extern rwlock_t hci_cb_list_lock; | |
210 | ||
211 | /* ----- Inquiry cache ----- */ | |
212 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) // 30 seconds | |
213 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) // 60 seconds | |
214 | ||
215 | #define inquiry_cache_lock(c) spin_lock(&c->lock) | |
216 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) | |
217 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) | |
218 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) | |
219 | ||
220 | static inline void inquiry_cache_init(struct hci_dev *hdev) | |
221 | { | |
222 | struct inquiry_cache *c = &hdev->inq_cache; | |
223 | spin_lock_init(&c->lock); | |
224 | c->list = NULL; | |
225 | } | |
226 | ||
227 | static inline int inquiry_cache_empty(struct hci_dev *hdev) | |
228 | { | |
229 | struct inquiry_cache *c = &hdev->inq_cache; | |
230 | return (c->list == NULL); | |
231 | } | |
232 | ||
233 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
234 | { | |
235 | struct inquiry_cache *c = &hdev->inq_cache; | |
236 | return jiffies - c->timestamp; | |
237 | } | |
238 | ||
239 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
240 | { | |
241 | return jiffies - e->timestamp; | |
242 | } | |
243 | ||
244 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
245 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); | |
246 | ||
247 | /* ----- HCI Connections ----- */ | |
248 | enum { | |
249 | HCI_CONN_AUTH_PEND, | |
250 | HCI_CONN_ENCRYPT_PEND, | |
04837f64 MH |
251 | HCI_CONN_RSWITCH_PEND, |
252 | HCI_CONN_MODE_CHANGE_PEND, | |
1da177e4 LT |
253 | }; |
254 | ||
255 | static inline void hci_conn_hash_init(struct hci_dev *hdev) | |
256 | { | |
257 | struct hci_conn_hash *h = &hdev->conn_hash; | |
258 | INIT_LIST_HEAD(&h->list); | |
259 | spin_lock_init(&h->lock); | |
260 | h->acl_num = 0; | |
261 | h->sco_num = 0; | |
262 | } | |
263 | ||
264 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
265 | { | |
266 | struct hci_conn_hash *h = &hdev->conn_hash; | |
267 | list_add(&c->list, &h->list); | |
268 | if (c->type == ACL_LINK) | |
269 | h->acl_num++; | |
270 | else | |
271 | h->sco_num++; | |
272 | } | |
273 | ||
274 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
275 | { | |
276 | struct hci_conn_hash *h = &hdev->conn_hash; | |
277 | list_del(&c->list); | |
278 | if (c->type == ACL_LINK) | |
279 | h->acl_num--; | |
280 | else | |
281 | h->sco_num--; | |
282 | } | |
283 | ||
284 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, | |
285 | __u16 handle) | |
286 | { | |
287 | struct hci_conn_hash *h = &hdev->conn_hash; | |
288 | struct list_head *p; | |
289 | struct hci_conn *c; | |
290 | ||
291 | list_for_each(p, &h->list) { | |
292 | c = list_entry(p, struct hci_conn, list); | |
293 | if (c->handle == handle) | |
294 | return c; | |
295 | } | |
296 | return NULL; | |
297 | } | |
298 | ||
299 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
300 | __u8 type, bdaddr_t *ba) | |
301 | { | |
302 | struct hci_conn_hash *h = &hdev->conn_hash; | |
303 | struct list_head *p; | |
304 | struct hci_conn *c; | |
305 | ||
306 | list_for_each(p, &h->list) { | |
307 | c = list_entry(p, struct hci_conn, list); | |
308 | if (c->type == type && !bacmp(&c->dst, ba)) | |
309 | return c; | |
310 | } | |
311 | return NULL; | |
312 | } | |
313 | ||
4c67bc74 MH |
314 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
315 | __u8 type, __u16 state) | |
316 | { | |
317 | struct hci_conn_hash *h = &hdev->conn_hash; | |
318 | struct list_head *p; | |
319 | struct hci_conn *c; | |
320 | ||
321 | list_for_each(p, &h->list) { | |
322 | c = list_entry(p, struct hci_conn, list); | |
323 | if (c->type == type && c->state == state) | |
324 | return c; | |
325 | } | |
326 | return NULL; | |
327 | } | |
328 | ||
329 | void hci_acl_connect(struct hci_conn *conn); | |
1da177e4 LT |
330 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
331 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 332 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
1da177e4 LT |
333 | |
334 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
335 | int hci_conn_del(struct hci_conn *conn); |
336 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
337 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 338 | |
8c1b2355 | 339 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); |
e7c29cb1 | 340 | int hci_conn_check_link_mode(struct hci_conn *conn); |
0684e5f9 | 341 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 342 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 343 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 344 | |
04837f64 MH |
345 | void hci_conn_enter_active_mode(struct hci_conn *conn); |
346 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); | |
1da177e4 | 347 | |
9eba32b8 MH |
348 | void hci_conn_hold_device(struct hci_conn *conn); |
349 | void hci_conn_put_device(struct hci_conn *conn); | |
350 | ||
1da177e4 LT |
351 | static inline void hci_conn_hold(struct hci_conn *conn) |
352 | { | |
353 | atomic_inc(&conn->refcnt); | |
04837f64 | 354 | del_timer(&conn->disc_timer); |
1da177e4 LT |
355 | } |
356 | ||
357 | static inline void hci_conn_put(struct hci_conn *conn) | |
358 | { | |
359 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 360 | unsigned long timeo; |
1da177e4 | 361 | if (conn->type == ACL_LINK) { |
04837f64 | 362 | del_timer(&conn->idle_timer); |
6ac59344 | 363 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 364 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 365 | if (!conn->out) |
052b30b0 | 366 | timeo *= 2; |
6ac59344 MH |
367 | } else |
368 | timeo = msecs_to_jiffies(10); | |
1da177e4 | 369 | } else |
04837f64 MH |
370 | timeo = msecs_to_jiffies(10); |
371 | mod_timer(&conn->disc_timer, jiffies + timeo); | |
1da177e4 LT |
372 | } |
373 | } | |
374 | ||
1da177e4 LT |
375 | /* ----- HCI Devices ----- */ |
376 | static inline void __hci_dev_put(struct hci_dev *d) | |
377 | { | |
378 | if (atomic_dec_and_test(&d->refcnt)) | |
379 | d->destruct(d); | |
380 | } | |
381 | ||
382 | static inline void hci_dev_put(struct hci_dev *d) | |
383 | { | |
384 | __hci_dev_put(d); | |
385 | module_put(d->owner); | |
386 | } | |
387 | ||
388 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) | |
389 | { | |
390 | atomic_inc(&d->refcnt); | |
391 | return d; | |
392 | } | |
393 | ||
394 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) | |
395 | { | |
396 | if (try_module_get(d->owner)) | |
397 | return __hci_dev_hold(d); | |
398 | return NULL; | |
399 | } | |
400 | ||
401 | #define hci_dev_lock(d) spin_lock(&d->lock) | |
402 | #define hci_dev_unlock(d) spin_unlock(&d->lock) | |
403 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) | |
404 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) | |
405 | ||
406 | struct hci_dev *hci_dev_get(int index); | |
407 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
408 | ||
409 | struct hci_dev *hci_alloc_dev(void); | |
410 | void hci_free_dev(struct hci_dev *hdev); | |
411 | int hci_register_dev(struct hci_dev *hdev); | |
412 | int hci_unregister_dev(struct hci_dev *hdev); | |
413 | int hci_suspend_dev(struct hci_dev *hdev); | |
414 | int hci_resume_dev(struct hci_dev *hdev); | |
415 | int hci_dev_open(__u16 dev); | |
416 | int hci_dev_close(__u16 dev); | |
417 | int hci_dev_reset(__u16 dev); | |
418 | int hci_dev_reset_stat(__u16 dev); | |
419 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
420 | int hci_get_dev_list(void __user *arg); | |
421 | int hci_get_dev_info(void __user *arg); | |
422 | int hci_get_conn_list(void __user *arg); | |
423 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 424 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
425 | int hci_inquiry(void __user *arg); |
426 | ||
427 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); | |
428 | ||
76bca880 | 429 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 MH |
430 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
431 | ||
1da177e4 LT |
432 | int hci_register_sysfs(struct hci_dev *hdev); |
433 | void hci_unregister_sysfs(struct hci_dev *hdev); | |
a67e899c | 434 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
435 | void hci_conn_add_sysfs(struct hci_conn *conn); |
436 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 437 | |
a91f2e39 | 438 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
439 | |
440 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
441 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
442 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
443 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
444 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 445 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 446 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
1da177e4 LT |
447 | |
448 | /* ----- HCI protocols ----- */ | |
449 | struct hci_proto { | |
8c1b2355 | 450 | char *name; |
1da177e4 LT |
451 | unsigned int id; |
452 | unsigned long flags; | |
453 | ||
454 | void *priv; | |
455 | ||
8c1b2355 | 456 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); |
1da177e4 | 457 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); |
2950f21a MH |
458 | int (*disconn_ind) (struct hci_conn *conn); |
459 | int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); | |
1da177e4 LT |
460 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
461 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); | |
8c1b2355 | 462 | int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
1da177e4 LT |
463 | }; |
464 | ||
465 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) | |
466 | { | |
467 | register struct hci_proto *hp; | |
468 | int mask = 0; | |
8c1b2355 | 469 | |
1da177e4 LT |
470 | hp = hci_proto[HCI_PROTO_L2CAP]; |
471 | if (hp && hp->connect_ind) | |
472 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
473 | ||
474 | hp = hci_proto[HCI_PROTO_SCO]; | |
475 | if (hp && hp->connect_ind) | |
476 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
477 | ||
478 | return mask; | |
479 | } | |
480 | ||
481 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
482 | { | |
483 | register struct hci_proto *hp; | |
484 | ||
485 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
486 | if (hp && hp->connect_cfm) | |
487 | hp->connect_cfm(conn, status); | |
488 | ||
489 | hp = hci_proto[HCI_PROTO_SCO]; | |
490 | if (hp && hp->connect_cfm) | |
491 | hp->connect_cfm(conn, status); | |
492 | } | |
493 | ||
2950f21a | 494 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 LT |
495 | { |
496 | register struct hci_proto *hp; | |
2950f21a | 497 | int reason = 0x13; |
1da177e4 LT |
498 | |
499 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
500 | if (hp && hp->disconn_ind) | |
2950f21a | 501 | reason = hp->disconn_ind(conn); |
1da177e4 LT |
502 | |
503 | hp = hci_proto[HCI_PROTO_SCO]; | |
504 | if (hp && hp->disconn_ind) | |
2950f21a MH |
505 | reason = hp->disconn_ind(conn); |
506 | ||
507 | return reason; | |
508 | } | |
509 | ||
510 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
511 | { | |
512 | register struct hci_proto *hp; | |
513 | ||
514 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
515 | if (hp && hp->disconn_cfm) | |
516 | hp->disconn_cfm(conn, reason); | |
517 | ||
518 | hp = hci_proto[HCI_PROTO_SCO]; | |
519 | if (hp && hp->disconn_cfm) | |
520 | hp->disconn_cfm(conn, reason); | |
1da177e4 LT |
521 | } |
522 | ||
523 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
524 | { | |
525 | register struct hci_proto *hp; | |
8c1b2355 MH |
526 | __u8 encrypt; |
527 | ||
528 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) | |
529 | return; | |
530 | ||
531 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
1da177e4 LT |
532 | |
533 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
534 | if (hp && hp->security_cfm) |
535 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
536 | |
537 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
538 | if (hp && hp->security_cfm) |
539 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
540 | } |
541 | ||
9719f8af | 542 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) |
1da177e4 LT |
543 | { |
544 | register struct hci_proto *hp; | |
545 | ||
546 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
547 | if (hp && hp->security_cfm) |
548 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
549 | |
550 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
551 | if (hp && hp->security_cfm) |
552 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
553 | } |
554 | ||
555 | int hci_register_proto(struct hci_proto *hproto); | |
556 | int hci_unregister_proto(struct hci_proto *hproto); | |
557 | ||
558 | /* ----- HCI callbacks ----- */ | |
559 | struct hci_cb { | |
560 | struct list_head list; | |
561 | ||
562 | char *name; | |
563 | ||
8c1b2355 | 564 | void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
1da177e4 LT |
565 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
566 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
567 | }; | |
568 | ||
569 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
570 | { | |
571 | struct list_head *p; | |
8c1b2355 | 572 | __u8 encrypt; |
1da177e4 LT |
573 | |
574 | hci_proto_auth_cfm(conn, status); | |
575 | ||
8c1b2355 MH |
576 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) |
577 | return; | |
578 | ||
579 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
580 | ||
1da177e4 LT |
581 | read_lock_bh(&hci_cb_list_lock); |
582 | list_for_each(p, &hci_cb_list) { | |
583 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
584 | if (cb->security_cfm) |
585 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
586 | } |
587 | read_unlock_bh(&hci_cb_list_lock); | |
588 | } | |
589 | ||
590 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) | |
591 | { | |
592 | struct list_head *p; | |
593 | ||
435fef20 MH |
594 | if (conn->sec_level == BT_SECURITY_SDP) |
595 | conn->sec_level = BT_SECURITY_LOW; | |
596 | ||
9719f8af | 597 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 LT |
598 | |
599 | read_lock_bh(&hci_cb_list_lock); | |
600 | list_for_each(p, &hci_cb_list) { | |
601 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
602 | if (cb->security_cfm) |
603 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
604 | } |
605 | read_unlock_bh(&hci_cb_list_lock); | |
606 | } | |
607 | ||
608 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
609 | { | |
610 | struct list_head *p; | |
611 | ||
612 | read_lock_bh(&hci_cb_list_lock); | |
613 | list_for_each(p, &hci_cb_list) { | |
614 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
615 | if (cb->key_change_cfm) | |
616 | cb->key_change_cfm(conn, status); | |
617 | } | |
618 | read_unlock_bh(&hci_cb_list_lock); | |
619 | } | |
620 | ||
621 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) | |
622 | { | |
623 | struct list_head *p; | |
624 | ||
625 | read_lock_bh(&hci_cb_list_lock); | |
626 | list_for_each(p, &hci_cb_list) { | |
627 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
628 | if (cb->role_switch_cfm) | |
629 | cb->role_switch_cfm(conn, status, role); | |
630 | } | |
631 | read_unlock_bh(&hci_cb_list_lock); | |
632 | } | |
633 | ||
634 | int hci_register_cb(struct hci_cb *hcb); | |
635 | int hci_unregister_cb(struct hci_cb *hcb); | |
636 | ||
637 | int hci_register_notifier(struct notifier_block *nb); | |
638 | int hci_unregister_notifier(struct notifier_block *nb); | |
639 | ||
a9de9248 | 640 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
9a9c6a34 | 641 | void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
0d861d8b | 642 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 643 | |
a9de9248 | 644 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 LT |
645 | |
646 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
647 | ||
648 | /* ----- HCI Sockets ----- */ | |
649 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); | |
650 | ||
651 | /* HCI info for socket */ | |
652 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
653 | ||
654 | struct hci_pinfo { | |
655 | struct bt_sock bt; | |
656 | struct hci_dev *hdev; | |
657 | struct hci_filter filter; | |
658 | __u32 cmsg_mask; | |
659 | }; | |
660 | ||
661 | /* HCI security filter */ | |
662 | #define HCI_SFLT_MAX_OGF 5 | |
663 | ||
664 | struct hci_sec_filter { | |
665 | __u32 type_mask; | |
666 | __u32 event_mask[2]; | |
667 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
668 | }; | |
669 | ||
670 | /* ----- HCI requests ----- */ | |
671 | #define HCI_REQ_DONE 0 | |
672 | #define HCI_REQ_PEND 1 | |
673 | #define HCI_REQ_CANCELED 2 | |
674 | ||
a6a67efd TG |
675 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
676 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 LT |
677 | |
678 | void hci_req_complete(struct hci_dev *hdev, int result); | |
679 | ||
680 | #endif /* __HCI_CORE_H */ |