Commit | Line | Data |
---|---|---|
04fafe4e | 1 | /* |
1da177e4 | 2 | BlueZ - Bluetooth protocol stack for Linux |
2d0a0346 | 3 | Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
1da177e4 LT |
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 | |
04fafe4e RS |
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 | |
1da177e4 LT |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
19 | ||
04fafe4e RS |
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
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 { | |
70f23020 | 47 | struct inquiry_entry *next; |
1da177e4 LT |
48 | __u32 timestamp; |
49 | struct inquiry_data data; | |
50 | }; | |
51 | ||
52 | struct inquiry_cache { | |
70f23020 | 53 | spinlock_t lock; |
1da177e4 | 54 | __u32 timestamp; |
70f23020 | 55 | struct inquiry_entry *list; |
1da177e4 LT |
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 | }; | |
2aeb9a1a JH |
69 | |
70 | struct bt_uuid { | |
71 | struct list_head list; | |
72 | u8 uuid[16]; | |
1aff6f09 | 73 | u8 svc_hint; |
2aeb9a1a JH |
74 | }; |
75 | ||
cd4c5391 | 76 | #define NUM_REASSEMBLY 4 |
1da177e4 LT |
77 | struct hci_dev { |
78 | struct list_head list; | |
79 | spinlock_t lock; | |
80 | atomic_t refcnt; | |
81 | ||
82 | char name[8]; | |
83 | unsigned long flags; | |
84 | __u16 id; | |
c13854ce | 85 | __u8 bus; |
943da25d | 86 | __u8 dev_type; |
1da177e4 | 87 | bdaddr_t bdaddr; |
a9de9248 MH |
88 | __u8 dev_name[248]; |
89 | __u8 dev_class[3]; | |
1aff6f09 JH |
90 | __u8 major_class; |
91 | __u8 minor_class; | |
1da177e4 | 92 | __u8 features[8]; |
a9de9248 | 93 | __u8 commands[64]; |
333140b5 | 94 | __u8 ssp_mode; |
1143e5a6 MH |
95 | __u8 hci_ver; |
96 | __u16 hci_rev; | |
d5859e22 | 97 | __u8 lmp_ver; |
1143e5a6 | 98 | __u16 manufacturer; |
d5859e22 | 99 | __le16 lmp_subver; |
1da177e4 LT |
100 | __u16 voice_setting; |
101 | ||
102 | __u16 pkt_type; | |
5b7f9909 | 103 | __u16 esco_type; |
1da177e4 LT |
104 | __u16 link_policy; |
105 | __u16 link_mode; | |
106 | ||
04837f64 MH |
107 | __u32 idle_timeout; |
108 | __u16 sniff_min_interval; | |
109 | __u16 sniff_max_interval; | |
110 | ||
1da177e4 LT |
111 | unsigned long quirks; |
112 | ||
113 | atomic_t cmd_cnt; | |
114 | unsigned int acl_cnt; | |
115 | unsigned int sco_cnt; | |
116 | ||
117 | unsigned int acl_mtu; | |
118 | unsigned int sco_mtu; | |
119 | unsigned int acl_pkts; | |
120 | unsigned int sco_pkts; | |
121 | ||
122 | unsigned long cmd_last_tx; | |
123 | unsigned long acl_last_tx; | |
124 | unsigned long sco_last_tx; | |
125 | ||
f48fd9c8 MH |
126 | struct workqueue_struct *workqueue; |
127 | ||
ab81cbf9 JH |
128 | struct work_struct power_on; |
129 | struct work_struct power_off; | |
130 | struct timer_list off_timer; | |
131 | ||
1da177e4 LT |
132 | struct tasklet_struct cmd_task; |
133 | struct tasklet_struct rx_task; | |
134 | struct tasklet_struct tx_task; | |
135 | ||
136 | struct sk_buff_head rx_q; | |
137 | struct sk_buff_head raw_q; | |
138 | struct sk_buff_head cmd_q; | |
139 | ||
140 | struct sk_buff *sent_cmd; | |
cd4c5391 | 141 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
1da177e4 | 142 | |
a6a67efd | 143 | struct mutex req_lock; |
1da177e4 LT |
144 | wait_queue_head_t req_wait_q; |
145 | __u32 req_status; | |
146 | __u32 req_result; | |
a5040efa JH |
147 | |
148 | __u16 init_last_cmd; | |
1da177e4 LT |
149 | |
150 | struct inquiry_cache inq_cache; | |
151 | struct hci_conn_hash conn_hash; | |
ea4bd8ba | 152 | struct list_head blacklist; |
1da177e4 | 153 | |
2aeb9a1a JH |
154 | struct list_head uuids; |
155 | ||
1da177e4 LT |
156 | struct hci_dev_stats stat; |
157 | ||
158 | struct sk_buff_head driver_init; | |
159 | ||
160 | void *driver_data; | |
161 | void *core_data; | |
162 | ||
70f23020 | 163 | atomic_t promisc; |
1da177e4 | 164 | |
ca325f69 MH |
165 | struct dentry *debugfs; |
166 | ||
a91f2e39 MH |
167 | struct device *parent; |
168 | struct device dev; | |
1da177e4 | 169 | |
611b30f7 MH |
170 | struct rfkill *rfkill; |
171 | ||
70f23020 | 172 | struct module *owner; |
1da177e4 LT |
173 | |
174 | int (*open)(struct hci_dev *hdev); | |
175 | int (*close)(struct hci_dev *hdev); | |
176 | int (*flush)(struct hci_dev *hdev); | |
177 | int (*send)(struct sk_buff *skb); | |
178 | void (*destruct)(struct hci_dev *hdev); | |
179 | void (*notify)(struct hci_dev *hdev, unsigned int evt); | |
180 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
181 | }; | |
182 | ||
183 | struct hci_conn { | |
184 | struct list_head list; | |
185 | ||
186 | atomic_t refcnt; | |
187 | spinlock_t lock; | |
188 | ||
189 | bdaddr_t dst; | |
190 | __u16 handle; | |
191 | __u16 state; | |
04837f64 | 192 | __u8 mode; |
1da177e4 LT |
193 | __u8 type; |
194 | __u8 out; | |
4c67bc74 | 195 | __u8 attempt; |
1da177e4 | 196 | __u8 dev_class[3]; |
04837f64 | 197 | __u8 features[8]; |
41a96212 | 198 | __u8 ssp_mode; |
04837f64 | 199 | __u16 interval; |
a8746417 | 200 | __u16 pkt_type; |
04837f64 | 201 | __u16 link_policy; |
1da177e4 | 202 | __u32 link_mode; |
40be492f | 203 | __u8 auth_type; |
8c1b2355 | 204 | __u8 sec_level; |
765c2a96 | 205 | __u8 pending_sec_level; |
04837f64 | 206 | __u8 power_save; |
052b30b0 | 207 | __u16 disc_timeout; |
1da177e4 | 208 | unsigned long pend; |
04837f64 | 209 | |
03b555e1 JH |
210 | __u8 remote_cap; |
211 | __u8 remote_oob; | |
212 | __u8 remote_auth; | |
213 | ||
1da177e4 | 214 | unsigned int sent; |
04837f64 | 215 | |
1da177e4 LT |
216 | struct sk_buff_head data_q; |
217 | ||
04837f64 MH |
218 | struct timer_list disc_timer; |
219 | struct timer_list idle_timer; | |
220 | ||
f3784d83 RQ |
221 | struct work_struct work_add; |
222 | struct work_struct work_del; | |
b219e3ac MH |
223 | |
224 | struct device dev; | |
9eba32b8 | 225 | atomic_t devref; |
b219e3ac | 226 | |
1da177e4 LT |
227 | struct hci_dev *hdev; |
228 | void *l2cap_data; | |
229 | void *sco_data; | |
230 | void *priv; | |
231 | ||
232 | struct hci_conn *link; | |
233 | }; | |
234 | ||
235 | extern struct hci_proto *hci_proto[]; | |
236 | extern struct list_head hci_dev_list; | |
237 | extern struct list_head hci_cb_list; | |
238 | extern rwlock_t hci_dev_list_lock; | |
239 | extern rwlock_t hci_cb_list_lock; | |
240 | ||
241 | /* ----- Inquiry cache ----- */ | |
70f23020 AE |
242 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
243 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 LT |
244 | |
245 | #define inquiry_cache_lock(c) spin_lock(&c->lock) | |
246 | #define inquiry_cache_unlock(c) spin_unlock(&c->lock) | |
247 | #define inquiry_cache_lock_bh(c) spin_lock_bh(&c->lock) | |
248 | #define inquiry_cache_unlock_bh(c) spin_unlock_bh(&c->lock) | |
249 | ||
250 | static inline void inquiry_cache_init(struct hci_dev *hdev) | |
251 | { | |
252 | struct inquiry_cache *c = &hdev->inq_cache; | |
253 | spin_lock_init(&c->lock); | |
254 | c->list = NULL; | |
255 | } | |
256 | ||
257 | static inline int inquiry_cache_empty(struct hci_dev *hdev) | |
258 | { | |
259 | struct inquiry_cache *c = &hdev->inq_cache; | |
a02cec21 | 260 | return c->list == NULL; |
1da177e4 LT |
261 | } |
262 | ||
263 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
264 | { | |
265 | struct inquiry_cache *c = &hdev->inq_cache; | |
266 | return jiffies - c->timestamp; | |
267 | } | |
268 | ||
269 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
270 | { | |
271 | return jiffies - e->timestamp; | |
272 | } | |
273 | ||
274 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
275 | void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data); | |
276 | ||
277 | /* ----- HCI Connections ----- */ | |
278 | enum { | |
279 | HCI_CONN_AUTH_PEND, | |
280 | HCI_CONN_ENCRYPT_PEND, | |
04837f64 MH |
281 | HCI_CONN_RSWITCH_PEND, |
282 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 283 | HCI_CONN_SCO_SETUP_PEND, |
1da177e4 LT |
284 | }; |
285 | ||
286 | static inline void hci_conn_hash_init(struct hci_dev *hdev) | |
287 | { | |
288 | struct hci_conn_hash *h = &hdev->conn_hash; | |
289 | INIT_LIST_HEAD(&h->list); | |
290 | spin_lock_init(&h->lock); | |
291 | h->acl_num = 0; | |
292 | h->sco_num = 0; | |
293 | } | |
294 | ||
295 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
296 | { | |
297 | struct hci_conn_hash *h = &hdev->conn_hash; | |
298 | list_add(&c->list, &h->list); | |
299 | if (c->type == ACL_LINK) | |
300 | h->acl_num++; | |
301 | else | |
302 | h->sco_num++; | |
303 | } | |
304 | ||
305 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
306 | { | |
307 | struct hci_conn_hash *h = &hdev->conn_hash; | |
308 | list_del(&c->list); | |
309 | if (c->type == ACL_LINK) | |
310 | h->acl_num--; | |
311 | else | |
312 | h->sco_num--; | |
313 | } | |
314 | ||
315 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, | |
316 | __u16 handle) | |
317 | { | |
318 | struct hci_conn_hash *h = &hdev->conn_hash; | |
319 | struct list_head *p; | |
320 | struct hci_conn *c; | |
321 | ||
322 | list_for_each(p, &h->list) { | |
323 | c = list_entry(p, struct hci_conn, list); | |
324 | if (c->handle == handle) | |
325 | return c; | |
326 | } | |
327 | return NULL; | |
328 | } | |
329 | ||
330 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
331 | __u8 type, bdaddr_t *ba) | |
332 | { | |
333 | struct hci_conn_hash *h = &hdev->conn_hash; | |
334 | struct list_head *p; | |
335 | struct hci_conn *c; | |
336 | ||
337 | list_for_each(p, &h->list) { | |
338 | c = list_entry(p, struct hci_conn, list); | |
339 | if (c->type == type && !bacmp(&c->dst, ba)) | |
340 | return c; | |
341 | } | |
342 | return NULL; | |
343 | } | |
344 | ||
4c67bc74 MH |
345 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
346 | __u8 type, __u16 state) | |
347 | { | |
348 | struct hci_conn_hash *h = &hdev->conn_hash; | |
349 | struct list_head *p; | |
350 | struct hci_conn *c; | |
351 | ||
352 | list_for_each(p, &h->list) { | |
353 | c = list_entry(p, struct hci_conn, list); | |
354 | if (c->type == type && c->state == state) | |
355 | return c; | |
356 | } | |
357 | return NULL; | |
358 | } | |
359 | ||
360 | void hci_acl_connect(struct hci_conn *conn); | |
1da177e4 LT |
361 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
362 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 363 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 364 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
365 | |
366 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
367 | int hci_conn_del(struct hci_conn *conn); |
368 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
369 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 370 | |
8c1b2355 | 371 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type); |
e7c29cb1 | 372 | int hci_conn_check_link_mode(struct hci_conn *conn); |
0684e5f9 | 373 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 374 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 375 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 376 | |
04837f64 MH |
377 | void hci_conn_enter_active_mode(struct hci_conn *conn); |
378 | void hci_conn_enter_sniff_mode(struct hci_conn *conn); | |
1da177e4 | 379 | |
9eba32b8 MH |
380 | void hci_conn_hold_device(struct hci_conn *conn); |
381 | void hci_conn_put_device(struct hci_conn *conn); | |
382 | ||
1da177e4 LT |
383 | static inline void hci_conn_hold(struct hci_conn *conn) |
384 | { | |
385 | atomic_inc(&conn->refcnt); | |
04837f64 | 386 | del_timer(&conn->disc_timer); |
1da177e4 LT |
387 | } |
388 | ||
389 | static inline void hci_conn_put(struct hci_conn *conn) | |
390 | { | |
391 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 392 | unsigned long timeo; |
1da177e4 | 393 | if (conn->type == ACL_LINK) { |
04837f64 | 394 | del_timer(&conn->idle_timer); |
6ac59344 | 395 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 396 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 397 | if (!conn->out) |
052b30b0 | 398 | timeo *= 2; |
6ac59344 MH |
399 | } else |
400 | timeo = msecs_to_jiffies(10); | |
1da177e4 | 401 | } else |
04837f64 MH |
402 | timeo = msecs_to_jiffies(10); |
403 | mod_timer(&conn->disc_timer, jiffies + timeo); | |
1da177e4 LT |
404 | } |
405 | } | |
406 | ||
1da177e4 LT |
407 | /* ----- HCI Devices ----- */ |
408 | static inline void __hci_dev_put(struct hci_dev *d) | |
409 | { | |
410 | if (atomic_dec_and_test(&d->refcnt)) | |
411 | d->destruct(d); | |
412 | } | |
413 | ||
414 | static inline void hci_dev_put(struct hci_dev *d) | |
04fafe4e | 415 | { |
1da177e4 LT |
416 | __hci_dev_put(d); |
417 | module_put(d->owner); | |
418 | } | |
419 | ||
420 | static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d) | |
421 | { | |
422 | atomic_inc(&d->refcnt); | |
423 | return d; | |
424 | } | |
425 | ||
426 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) | |
427 | { | |
428 | if (try_module_get(d->owner)) | |
429 | return __hci_dev_hold(d); | |
430 | return NULL; | |
431 | } | |
432 | ||
433 | #define hci_dev_lock(d) spin_lock(&d->lock) | |
434 | #define hci_dev_unlock(d) spin_unlock(&d->lock) | |
435 | #define hci_dev_lock_bh(d) spin_lock_bh(&d->lock) | |
436 | #define hci_dev_unlock_bh(d) spin_unlock_bh(&d->lock) | |
437 | ||
438 | struct hci_dev *hci_dev_get(int index); | |
439 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
440 | ||
441 | struct hci_dev *hci_alloc_dev(void); | |
442 | void hci_free_dev(struct hci_dev *hdev); | |
443 | int hci_register_dev(struct hci_dev *hdev); | |
444 | int hci_unregister_dev(struct hci_dev *hdev); | |
445 | int hci_suspend_dev(struct hci_dev *hdev); | |
446 | int hci_resume_dev(struct hci_dev *hdev); | |
447 | int hci_dev_open(__u16 dev); | |
448 | int hci_dev_close(__u16 dev); | |
449 | int hci_dev_reset(__u16 dev); | |
450 | int hci_dev_reset_stat(__u16 dev); | |
451 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
452 | int hci_get_dev_list(void __user *arg); | |
453 | int hci_get_dev_info(void __user *arg); | |
454 | int hci_get_conn_list(void __user *arg); | |
455 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 456 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
457 | int hci_inquiry(void __user *arg); |
458 | ||
f0358568 JH |
459 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
460 | int hci_blacklist_clear(struct hci_dev *hdev); | |
461 | ||
2aeb9a1a JH |
462 | int hci_uuids_clear(struct hci_dev *hdev); |
463 | ||
ab81cbf9 JH |
464 | void hci_del_off_timer(struct hci_dev *hdev); |
465 | ||
1da177e4 LT |
466 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
467 | ||
76bca880 | 468 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 | 469 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 470 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 471 | |
1da177e4 LT |
472 | int hci_register_sysfs(struct hci_dev *hdev); |
473 | void hci_unregister_sysfs(struct hci_dev *hdev); | |
a67e899c | 474 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
475 | void hci_conn_add_sysfs(struct hci_conn *conn); |
476 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 477 | |
a91f2e39 | 478 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
479 | |
480 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
481 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
482 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
483 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
484 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 485 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 486 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
e702112f | 487 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
1da177e4 LT |
488 | |
489 | /* ----- HCI protocols ----- */ | |
490 | struct hci_proto { | |
8c1b2355 | 491 | char *name; |
1da177e4 LT |
492 | unsigned int id; |
493 | unsigned long flags; | |
494 | ||
495 | void *priv; | |
496 | ||
8c1b2355 | 497 | int (*connect_ind) (struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type); |
1da177e4 | 498 | int (*connect_cfm) (struct hci_conn *conn, __u8 status); |
2950f21a MH |
499 | int (*disconn_ind) (struct hci_conn *conn); |
500 | int (*disconn_cfm) (struct hci_conn *conn, __u8 reason); | |
1da177e4 LT |
501 | int (*recv_acldata) (struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
502 | int (*recv_scodata) (struct hci_conn *conn, struct sk_buff *skb); | |
8c1b2355 | 503 | int (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
1da177e4 LT |
504 | }; |
505 | ||
506 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) | |
507 | { | |
508 | register struct hci_proto *hp; | |
509 | int mask = 0; | |
8c1b2355 | 510 | |
1da177e4 LT |
511 | hp = hci_proto[HCI_PROTO_L2CAP]; |
512 | if (hp && hp->connect_ind) | |
513 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
514 | ||
515 | hp = hci_proto[HCI_PROTO_SCO]; | |
516 | if (hp && hp->connect_ind) | |
517 | mask |= hp->connect_ind(hdev, bdaddr, type); | |
518 | ||
519 | return mask; | |
520 | } | |
521 | ||
522 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
523 | { | |
524 | register struct hci_proto *hp; | |
525 | ||
526 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
527 | if (hp && hp->connect_cfm) | |
528 | hp->connect_cfm(conn, status); | |
529 | ||
530 | hp = hci_proto[HCI_PROTO_SCO]; | |
531 | if (hp && hp->connect_cfm) | |
532 | hp->connect_cfm(conn, status); | |
533 | } | |
534 | ||
2950f21a | 535 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 LT |
536 | { |
537 | register struct hci_proto *hp; | |
2950f21a | 538 | int reason = 0x13; |
1da177e4 LT |
539 | |
540 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
541 | if (hp && hp->disconn_ind) | |
2950f21a | 542 | reason = hp->disconn_ind(conn); |
1da177e4 LT |
543 | |
544 | hp = hci_proto[HCI_PROTO_SCO]; | |
545 | if (hp && hp->disconn_ind) | |
2950f21a MH |
546 | reason = hp->disconn_ind(conn); |
547 | ||
548 | return reason; | |
549 | } | |
550 | ||
551 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
552 | { | |
553 | register struct hci_proto *hp; | |
554 | ||
555 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
556 | if (hp && hp->disconn_cfm) | |
557 | hp->disconn_cfm(conn, reason); | |
558 | ||
559 | hp = hci_proto[HCI_PROTO_SCO]; | |
560 | if (hp && hp->disconn_cfm) | |
561 | hp->disconn_cfm(conn, reason); | |
1da177e4 LT |
562 | } |
563 | ||
564 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
565 | { | |
566 | register struct hci_proto *hp; | |
8c1b2355 MH |
567 | __u8 encrypt; |
568 | ||
569 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) | |
570 | return; | |
571 | ||
572 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
1da177e4 LT |
573 | |
574 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
575 | if (hp && hp->security_cfm) |
576 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
577 | |
578 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
579 | if (hp && hp->security_cfm) |
580 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
581 | } |
582 | ||
9719f8af | 583 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) |
1da177e4 LT |
584 | { |
585 | register struct hci_proto *hp; | |
586 | ||
587 | hp = hci_proto[HCI_PROTO_L2CAP]; | |
8c1b2355 MH |
588 | if (hp && hp->security_cfm) |
589 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
590 | |
591 | hp = hci_proto[HCI_PROTO_SCO]; | |
8c1b2355 MH |
592 | if (hp && hp->security_cfm) |
593 | hp->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
594 | } |
595 | ||
596 | int hci_register_proto(struct hci_proto *hproto); | |
597 | int hci_unregister_proto(struct hci_proto *hproto); | |
598 | ||
599 | /* ----- HCI callbacks ----- */ | |
600 | struct hci_cb { | |
601 | struct list_head list; | |
602 | ||
603 | char *name; | |
604 | ||
8c1b2355 | 605 | void (*security_cfm) (struct hci_conn *conn, __u8 status, __u8 encrypt); |
1da177e4 LT |
606 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
607 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
608 | }; | |
609 | ||
610 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
611 | { | |
612 | struct list_head *p; | |
8c1b2355 | 613 | __u8 encrypt; |
1da177e4 LT |
614 | |
615 | hci_proto_auth_cfm(conn, status); | |
616 | ||
8c1b2355 MH |
617 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) |
618 | return; | |
619 | ||
620 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
621 | ||
1da177e4 LT |
622 | read_lock_bh(&hci_cb_list_lock); |
623 | list_for_each(p, &hci_cb_list) { | |
624 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
625 | if (cb->security_cfm) |
626 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
627 | } |
628 | read_unlock_bh(&hci_cb_list_lock); | |
629 | } | |
630 | ||
631 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, __u8 encrypt) | |
632 | { | |
633 | struct list_head *p; | |
634 | ||
435fef20 MH |
635 | if (conn->sec_level == BT_SECURITY_SDP) |
636 | conn->sec_level = BT_SECURITY_LOW; | |
637 | ||
9719f8af | 638 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 LT |
639 | |
640 | read_lock_bh(&hci_cb_list_lock); | |
641 | list_for_each(p, &hci_cb_list) { | |
642 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
643 | if (cb->security_cfm) |
644 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 LT |
645 | } |
646 | read_unlock_bh(&hci_cb_list_lock); | |
647 | } | |
648 | ||
649 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
650 | { | |
651 | struct list_head *p; | |
652 | ||
653 | read_lock_bh(&hci_cb_list_lock); | |
654 | list_for_each(p, &hci_cb_list) { | |
655 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
656 | if (cb->key_change_cfm) | |
657 | cb->key_change_cfm(conn, status); | |
658 | } | |
659 | read_unlock_bh(&hci_cb_list_lock); | |
660 | } | |
661 | ||
662 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, __u8 role) | |
663 | { | |
664 | struct list_head *p; | |
665 | ||
666 | read_lock_bh(&hci_cb_list_lock); | |
667 | list_for_each(p, &hci_cb_list) { | |
668 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
669 | if (cb->role_switch_cfm) | |
670 | cb->role_switch_cfm(conn, status, role); | |
671 | } | |
672 | read_unlock_bh(&hci_cb_list_lock); | |
673 | } | |
674 | ||
675 | int hci_register_cb(struct hci_cb *hcb); | |
676 | int hci_unregister_cb(struct hci_cb *hcb); | |
677 | ||
678 | int hci_register_notifier(struct notifier_block *nb); | |
679 | int hci_unregister_notifier(struct notifier_block *nb); | |
680 | ||
a9de9248 | 681 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
9a9c6a34 | 682 | void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags); |
0d861d8b | 683 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 684 | |
a9de9248 | 685 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 LT |
686 | |
687 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
688 | ||
689 | /* ----- HCI Sockets ----- */ | |
eec8d2bc JH |
690 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, |
691 | struct sock *skip_sk); | |
1da177e4 | 692 | |
0381101f JH |
693 | /* Management interface */ |
694 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); | |
c71e97bf JH |
695 | int mgmt_index_added(u16 index); |
696 | int mgmt_index_removed(u16 index); | |
5add6af8 | 697 | int mgmt_powered(u16 index, u8 powered); |
73f22f62 | 698 | int mgmt_discoverable(u16 index, u8 discoverable); |
9fbcbb45 | 699 | int mgmt_connectable(u16 index, u8 connectable); |
0381101f | 700 | |
1da177e4 LT |
701 | /* HCI info for socket */ |
702 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
703 | ||
704 | struct hci_pinfo { | |
705 | struct bt_sock bt; | |
706 | struct hci_dev *hdev; | |
707 | struct hci_filter filter; | |
708 | __u32 cmsg_mask; | |
c02178d2 | 709 | unsigned short channel; |
1da177e4 LT |
710 | }; |
711 | ||
712 | /* HCI security filter */ | |
713 | #define HCI_SFLT_MAX_OGF 5 | |
714 | ||
715 | struct hci_sec_filter { | |
716 | __u32 type_mask; | |
717 | __u32 event_mask[2]; | |
718 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
719 | }; | |
720 | ||
721 | /* ----- HCI requests ----- */ | |
722 | #define HCI_REQ_DONE 0 | |
723 | #define HCI_REQ_PEND 1 | |
724 | #define HCI_REQ_CANCELED 2 | |
725 | ||
a6a67efd TG |
726 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
727 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 | 728 | |
23bb5763 | 729 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
1da177e4 LT |
730 | |
731 | #endif /* __HCI_CORE_H */ |