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Commit | Line | Data |
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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 | ||
a6b7a407 | 28 | #include <linux/interrupt.h> |
1da177e4 LT |
29 | #include <net/bluetooth/hci.h> |
30 | ||
5e59b791 LAD |
31 | /* HCI priority */ |
32 | #define HCI_PRIO_MAX 7 | |
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 { | |
561aafbc JH |
47 | struct list_head all; /* inq_cache.all */ |
48 | struct list_head list; /* unknown or resolve */ | |
49 | enum { | |
50 | NAME_NOT_KNOWN, | |
51 | NAME_NEEDED, | |
52 | NAME_PENDING, | |
53 | NAME_KNOWN, | |
54 | } name_state; | |
1da177e4 LT |
55 | __u32 timestamp; |
56 | struct inquiry_data data; | |
57 | }; | |
58 | ||
30883512 | 59 | struct discovery_state { |
4aab14e5 | 60 | int type; |
ff9ef578 JH |
61 | enum { |
62 | DISCOVERY_STOPPED, | |
63 | DISCOVERY_STARTING, | |
343f935b | 64 | DISCOVERY_FINDING, |
30dc78e1 | 65 | DISCOVERY_RESOLVING, |
ff9ef578 JH |
66 | DISCOVERY_STOPPING, |
67 | } state; | |
561aafbc JH |
68 | struct list_head all; /* All devices found during inquiry */ |
69 | struct list_head unknown; /* Name state not known */ | |
70 | struct list_head resolve; /* Name needs to be resolved */ | |
71 | __u32 timestamp; | |
1da177e4 LT |
72 | }; |
73 | ||
74 | struct hci_conn_hash { | |
75 | struct list_head list; | |
1da177e4 LT |
76 | unsigned int acl_num; |
77 | unsigned int sco_num; | |
fcd89c09 | 78 | unsigned int le_num; |
1da177e4 LT |
79 | }; |
80 | ||
f0358568 JH |
81 | struct bdaddr_list { |
82 | struct list_head list; | |
83 | bdaddr_t bdaddr; | |
84 | }; | |
2aeb9a1a JH |
85 | |
86 | struct bt_uuid { | |
87 | struct list_head list; | |
88 | u8 uuid[16]; | |
1aff6f09 | 89 | u8 svc_hint; |
2aeb9a1a JH |
90 | }; |
91 | ||
b899efaf VCG |
92 | struct smp_ltk { |
93 | struct list_head list; | |
94 | bdaddr_t bdaddr; | |
95 | u8 bdaddr_type; | |
96 | u8 authenticated; | |
97 | u8 type; | |
98 | u8 enc_size; | |
99 | __le16 ediv; | |
100 | u8 rand[8]; | |
101 | u8 val[16]; | |
102 | } __packed; | |
103 | ||
55ed8ca1 JH |
104 | struct link_key { |
105 | struct list_head list; | |
106 | bdaddr_t bdaddr; | |
107 | u8 type; | |
108 | u8 val[16]; | |
109 | u8 pin_len; | |
110 | }; | |
111 | ||
2763eda6 SJ |
112 | struct oob_data { |
113 | struct list_head list; | |
114 | bdaddr_t bdaddr; | |
115 | u8 hash[16]; | |
116 | u8 randomizer[16]; | |
117 | }; | |
118 | ||
76c8686f AG |
119 | struct adv_entry { |
120 | struct list_head list; | |
121 | bdaddr_t bdaddr; | |
122 | u8 bdaddr_type; | |
123 | }; | |
124 | ||
7ba8b4be AG |
125 | struct le_scan_params { |
126 | u8 type; | |
127 | u16 interval; | |
128 | u16 window; | |
28b75a89 | 129 | int timeout; |
7ba8b4be AG |
130 | }; |
131 | ||
cd4c5391 | 132 | #define NUM_REASSEMBLY 4 |
1da177e4 LT |
133 | struct hci_dev { |
134 | struct list_head list; | |
09fd0de5 | 135 | struct mutex lock; |
1da177e4 LT |
136 | |
137 | char name[8]; | |
138 | unsigned long flags; | |
139 | __u16 id; | |
c13854ce | 140 | __u8 bus; |
943da25d | 141 | __u8 dev_type; |
1da177e4 | 142 | bdaddr_t bdaddr; |
1f6c6378 | 143 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
80a1e1db | 144 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
a9de9248 | 145 | __u8 dev_class[3]; |
1aff6f09 JH |
146 | __u8 major_class; |
147 | __u8 minor_class; | |
1da177e4 | 148 | __u8 features[8]; |
59e29406 | 149 | __u8 host_features[8]; |
a9de9248 | 150 | __u8 commands[64]; |
1143e5a6 MH |
151 | __u8 hci_ver; |
152 | __u16 hci_rev; | |
d5859e22 | 153 | __u8 lmp_ver; |
1143e5a6 | 154 | __u16 manufacturer; |
d5859e22 | 155 | __le16 lmp_subver; |
1da177e4 | 156 | __u16 voice_setting; |
17fa4b9d | 157 | __u8 io_capability; |
1da177e4 LT |
158 | |
159 | __u16 pkt_type; | |
5b7f9909 | 160 | __u16 esco_type; |
1da177e4 LT |
161 | __u16 link_policy; |
162 | __u16 link_mode; | |
163 | ||
04837f64 MH |
164 | __u32 idle_timeout; |
165 | __u16 sniff_min_interval; | |
166 | __u16 sniff_max_interval; | |
167 | ||
928abaa7 AE |
168 | __u8 amp_status; |
169 | __u32 amp_total_bw; | |
170 | __u32 amp_max_bw; | |
171 | __u32 amp_min_latency; | |
172 | __u32 amp_max_pdu; | |
173 | __u8 amp_type; | |
174 | __u16 amp_pal_cap; | |
175 | __u16 amp_assoc_size; | |
176 | __u32 amp_max_flush_to; | |
177 | __u32 amp_be_flush_to; | |
178 | ||
1e89cffb AE |
179 | __u8 flow_ctl_mode; |
180 | ||
9f61656a JH |
181 | unsigned int auto_accept_delay; |
182 | ||
1da177e4 LT |
183 | unsigned long quirks; |
184 | ||
185 | atomic_t cmd_cnt; | |
186 | unsigned int acl_cnt; | |
187 | unsigned int sco_cnt; | |
6ed58ec5 | 188 | unsigned int le_cnt; |
1da177e4 LT |
189 | |
190 | unsigned int acl_mtu; | |
191 | unsigned int sco_mtu; | |
6ed58ec5 | 192 | unsigned int le_mtu; |
1da177e4 LT |
193 | unsigned int acl_pkts; |
194 | unsigned int sco_pkts; | |
6ed58ec5 | 195 | unsigned int le_pkts; |
1da177e4 | 196 | |
350ee4cf AE |
197 | __u16 block_len; |
198 | __u16 block_mtu; | |
199 | __u16 num_blocks; | |
200 | __u16 block_cnt; | |
201 | ||
1da177e4 LT |
202 | unsigned long acl_last_tx; |
203 | unsigned long sco_last_tx; | |
6ed58ec5 | 204 | unsigned long le_last_tx; |
1da177e4 | 205 | |
f48fd9c8 MH |
206 | struct workqueue_struct *workqueue; |
207 | ||
ab81cbf9 | 208 | struct work_struct power_on; |
3243553f | 209 | struct delayed_work power_off; |
ab81cbf9 | 210 | |
16ab91ab JH |
211 | __u16 discov_timeout; |
212 | struct delayed_work discov_off; | |
213 | ||
7d78525d JH |
214 | struct delayed_work service_cache; |
215 | ||
6bd32326 | 216 | struct timer_list cmd_timer; |
b78752cc MH |
217 | |
218 | struct work_struct rx_work; | |
c347b765 | 219 | struct work_struct cmd_work; |
3eff45ea | 220 | struct work_struct tx_work; |
1da177e4 LT |
221 | |
222 | struct sk_buff_head rx_q; | |
223 | struct sk_buff_head raw_q; | |
224 | struct sk_buff_head cmd_q; | |
225 | ||
226 | struct sk_buff *sent_cmd; | |
cd4c5391 | 227 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
1da177e4 | 228 | |
a6a67efd | 229 | struct mutex req_lock; |
1da177e4 LT |
230 | wait_queue_head_t req_wait_q; |
231 | __u32 req_status; | |
232 | __u32 req_result; | |
a5040efa JH |
233 | |
234 | __u16 init_last_cmd; | |
1da177e4 | 235 | |
2e58ef3e JH |
236 | struct list_head mgmt_pending; |
237 | ||
30883512 | 238 | struct discovery_state discovery; |
1da177e4 | 239 | struct hci_conn_hash conn_hash; |
ea4bd8ba | 240 | struct list_head blacklist; |
1da177e4 | 241 | |
2aeb9a1a JH |
242 | struct list_head uuids; |
243 | ||
55ed8ca1 JH |
244 | struct list_head link_keys; |
245 | ||
b899efaf VCG |
246 | struct list_head long_term_keys; |
247 | ||
2763eda6 SJ |
248 | struct list_head remote_oob_data; |
249 | ||
76c8686f | 250 | struct list_head adv_entries; |
db323f2f | 251 | struct delayed_work adv_work; |
76c8686f | 252 | |
1da177e4 LT |
253 | struct hci_dev_stats stat; |
254 | ||
255 | struct sk_buff_head driver_init; | |
256 | ||
1da177e4 LT |
257 | void *core_data; |
258 | ||
70f23020 | 259 | atomic_t promisc; |
1da177e4 | 260 | |
ca325f69 MH |
261 | struct dentry *debugfs; |
262 | ||
a91f2e39 MH |
263 | struct device *parent; |
264 | struct device dev; | |
1da177e4 | 265 | |
611b30f7 MH |
266 | struct rfkill *rfkill; |
267 | ||
d23264a8 AG |
268 | unsigned long dev_flags; |
269 | ||
7ba8b4be AG |
270 | struct delayed_work le_scan_disable; |
271 | ||
28b75a89 AG |
272 | struct work_struct le_scan; |
273 | struct le_scan_params le_scan_params; | |
274 | ||
1da177e4 LT |
275 | int (*open)(struct hci_dev *hdev); |
276 | int (*close)(struct hci_dev *hdev); | |
277 | int (*flush)(struct hci_dev *hdev); | |
278 | int (*send)(struct sk_buff *skb); | |
1da177e4 LT |
279 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
280 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
281 | }; | |
282 | ||
283 | struct hci_conn { | |
284 | struct list_head list; | |
285 | ||
adc4266d | 286 | atomic_t refcnt; |
adc4266d SJ |
287 | |
288 | bdaddr_t dst; | |
5a9d0a3f | 289 | __u8 dst_type; |
adc4266d SJ |
290 | __u16 handle; |
291 | __u16 state; | |
292 | __u8 mode; | |
293 | __u8 type; | |
a0c808b3 | 294 | bool out; |
adc4266d SJ |
295 | __u8 attempt; |
296 | __u8 dev_class[3]; | |
297 | __u8 features[8]; | |
adc4266d SJ |
298 | __u16 interval; |
299 | __u16 pkt_type; | |
300 | __u16 link_policy; | |
301 | __u32 link_mode; | |
13d39315 | 302 | __u8 key_type; |
adc4266d SJ |
303 | __u8 auth_type; |
304 | __u8 sec_level; | |
305 | __u8 pending_sec_level; | |
306 | __u8 pin_length; | |
726b4ffc | 307 | __u8 enc_key_size; |
adc4266d | 308 | __u8 io_capability; |
adc4266d | 309 | __u16 disc_timeout; |
51a8efd7 | 310 | unsigned long flags; |
04837f64 | 311 | |
03b555e1 | 312 | __u8 remote_cap; |
03b555e1 JH |
313 | __u8 remote_auth; |
314 | ||
adc4266d | 315 | unsigned int sent; |
04837f64 | 316 | |
1da177e4 | 317 | struct sk_buff_head data_q; |
2c33c06a | 318 | struct list_head chan_list; |
1da177e4 | 319 | |
19c40e3b | 320 | struct delayed_work disc_work; |
04837f64 | 321 | struct timer_list idle_timer; |
9f61656a | 322 | struct timer_list auto_accept_timer; |
04837f64 | 323 | |
b219e3ac | 324 | struct device dev; |
9eba32b8 | 325 | atomic_t devref; |
b219e3ac | 326 | |
1da177e4 LT |
327 | struct hci_dev *hdev; |
328 | void *l2cap_data; | |
329 | void *sco_data; | |
2b64d153 | 330 | void *smp_conn; |
1da177e4 LT |
331 | |
332 | struct hci_conn *link; | |
e9a416b5 JH |
333 | |
334 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
335 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
336 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
337 | }; |
338 | ||
73d80deb LAD |
339 | struct hci_chan { |
340 | struct list_head list; | |
341 | ||
342 | struct hci_conn *conn; | |
343 | struct sk_buff_head data_q; | |
344 | unsigned int sent; | |
345 | }; | |
346 | ||
1da177e4 LT |
347 | extern struct list_head hci_dev_list; |
348 | extern struct list_head hci_cb_list; | |
349 | extern rwlock_t hci_dev_list_lock; | |
350 | extern rwlock_t hci_cb_list_lock; | |
351 | ||
686ebf28 UF |
352 | /* ----- HCI interface to upper protocols ----- */ |
353 | extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
354 | extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); | |
355 | extern int l2cap_disconn_ind(struct hci_conn *hcon); | |
356 | extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); | |
357 | extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); | |
358 | extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); | |
359 | ||
360 | extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
361 | extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); | |
362 | extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); | |
363 | extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); | |
364 | ||
1da177e4 | 365 | /* ----- Inquiry cache ----- */ |
70f23020 AE |
366 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
367 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 | 368 | |
30883512 | 369 | static inline void discovery_init(struct hci_dev *hdev) |
1da177e4 | 370 | { |
ff9ef578 | 371 | hdev->discovery.state = DISCOVERY_STOPPED; |
30883512 JH |
372 | INIT_LIST_HEAD(&hdev->discovery.all); |
373 | INIT_LIST_HEAD(&hdev->discovery.unknown); | |
374 | INIT_LIST_HEAD(&hdev->discovery.resolve); | |
1da177e4 LT |
375 | } |
376 | ||
30dc78e1 JH |
377 | bool hci_discovery_active(struct hci_dev *hdev); |
378 | ||
ff9ef578 JH |
379 | void hci_discovery_set_state(struct hci_dev *hdev, int state); |
380 | ||
1da177e4 LT |
381 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
382 | { | |
30883512 | 383 | return list_empty(&hdev->discovery.all); |
1da177e4 LT |
384 | } |
385 | ||
386 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
387 | { | |
30883512 | 388 | struct discovery_state *c = &hdev->discovery; |
1da177e4 LT |
389 | return jiffies - c->timestamp; |
390 | } | |
391 | ||
392 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
393 | { | |
394 | return jiffies - e->timestamp; | |
395 | } | |
396 | ||
5a9d0a3f WR |
397 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
398 | bdaddr_t *bdaddr); | |
561aafbc JH |
399 | struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, |
400 | bdaddr_t *bdaddr); | |
30dc78e1 JH |
401 | struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, |
402 | bdaddr_t *bdaddr, | |
403 | int state); | |
a3d4e20a JH |
404 | void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, |
405 | struct inquiry_entry *ie); | |
3175405b | 406 | bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, |
561aafbc | 407 | bool name_known); |
1da177e4 LT |
408 | |
409 | /* ----- HCI Connections ----- */ | |
410 | enum { | |
411 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 412 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 413 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
414 | HCI_CONN_RSWITCH_PEND, |
415 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 416 | HCI_CONN_SCO_SETUP_PEND, |
d26a2345 | 417 | HCI_CONN_LE_SMP_PEND, |
b644ba33 | 418 | HCI_CONN_MGMT_CONNECTED, |
58a681ef JH |
419 | HCI_CONN_SSP_ENABLED, |
420 | HCI_CONN_POWER_SAVE, | |
421 | HCI_CONN_REMOTE_OOB, | |
1da177e4 LT |
422 | }; |
423 | ||
aa64a8b5 JH |
424 | static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) |
425 | { | |
426 | struct hci_dev *hdev = conn->hdev; | |
427 | return (test_bit(HCI_SSP_ENABLED, &hdev->flags) && | |
428 | test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); | |
429 | } | |
430 | ||
1da177e4 LT |
431 | static inline void hci_conn_hash_init(struct hci_dev *hdev) |
432 | { | |
433 | struct hci_conn_hash *h = &hdev->conn_hash; | |
434 | INIT_LIST_HEAD(&h->list); | |
1da177e4 LT |
435 | h->acl_num = 0; |
436 | h->sco_num = 0; | |
dc8ed672 | 437 | h->le_num = 0; |
1da177e4 LT |
438 | } |
439 | ||
440 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
441 | { | |
442 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 | 443 | list_add_rcu(&c->list, &h->list); |
fcd89c09 VT |
444 | switch (c->type) { |
445 | case ACL_LINK: | |
1da177e4 | 446 | h->acl_num++; |
fcd89c09 VT |
447 | break; |
448 | case LE_LINK: | |
449 | h->le_num++; | |
450 | break; | |
451 | case SCO_LINK: | |
452 | case ESCO_LINK: | |
1da177e4 | 453 | h->sco_num++; |
fcd89c09 VT |
454 | break; |
455 | } | |
1da177e4 LT |
456 | } |
457 | ||
458 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
459 | { | |
460 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 GP |
461 | |
462 | list_del_rcu(&c->list); | |
463 | synchronize_rcu(); | |
464 | ||
fcd89c09 VT |
465 | switch (c->type) { |
466 | case ACL_LINK: | |
1da177e4 | 467 | h->acl_num--; |
fcd89c09 VT |
468 | break; |
469 | case LE_LINK: | |
470 | h->le_num--; | |
471 | break; | |
472 | case SCO_LINK: | |
473 | case ESCO_LINK: | |
1da177e4 | 474 | h->sco_num--; |
fcd89c09 VT |
475 | break; |
476 | } | |
1da177e4 LT |
477 | } |
478 | ||
52087a79 LAD |
479 | static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) |
480 | { | |
481 | struct hci_conn_hash *h = &hdev->conn_hash; | |
482 | switch (type) { | |
483 | case ACL_LINK: | |
484 | return h->acl_num; | |
485 | case LE_LINK: | |
486 | return h->le_num; | |
487 | case SCO_LINK: | |
488 | case ESCO_LINK: | |
489 | return h->sco_num; | |
490 | default: | |
491 | return 0; | |
492 | } | |
493 | } | |
494 | ||
1da177e4 | 495 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, |
adc4266d | 496 | __u16 handle) |
1da177e4 LT |
497 | { |
498 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
499 | struct hci_conn *c; |
500 | ||
bf4c6325 GP |
501 | rcu_read_lock(); |
502 | ||
503 | list_for_each_entry_rcu(c, &h->list, list) { | |
504 | if (c->handle == handle) { | |
505 | rcu_read_unlock(); | |
1da177e4 | 506 | return c; |
bf4c6325 | 507 | } |
1da177e4 | 508 | } |
bf4c6325 GP |
509 | rcu_read_unlock(); |
510 | ||
1da177e4 LT |
511 | return NULL; |
512 | } | |
513 | ||
514 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 515 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
516 | { |
517 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
518 | struct hci_conn *c; |
519 | ||
bf4c6325 GP |
520 | rcu_read_lock(); |
521 | ||
522 | list_for_each_entry_rcu(c, &h->list, list) { | |
523 | if (c->type == type && !bacmp(&c->dst, ba)) { | |
524 | rcu_read_unlock(); | |
1da177e4 | 525 | return c; |
bf4c6325 | 526 | } |
1da177e4 | 527 | } |
bf4c6325 GP |
528 | |
529 | rcu_read_unlock(); | |
530 | ||
1da177e4 LT |
531 | return NULL; |
532 | } | |
533 | ||
4c67bc74 | 534 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 535 | __u8 type, __u16 state) |
4c67bc74 MH |
536 | { |
537 | struct hci_conn_hash *h = &hdev->conn_hash; | |
4c67bc74 MH |
538 | struct hci_conn *c; |
539 | ||
bf4c6325 GP |
540 | rcu_read_lock(); |
541 | ||
542 | list_for_each_entry_rcu(c, &h->list, list) { | |
543 | if (c->type == type && c->state == state) { | |
544 | rcu_read_unlock(); | |
4c67bc74 | 545 | return c; |
bf4c6325 | 546 | } |
4c67bc74 | 547 | } |
73d80deb | 548 | |
bf4c6325 | 549 | rcu_read_unlock(); |
73d80deb | 550 | |
4c67bc74 | 551 | return NULL; |
73d80deb LAD |
552 | } |
553 | ||
4c67bc74 | 554 | void hci_acl_connect(struct hci_conn *conn); |
1da177e4 LT |
555 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
556 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 557 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 558 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
559 | |
560 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
561 | int hci_conn_del(struct hci_conn *conn); |
562 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
563 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 564 | |
73d80deb LAD |
565 | struct hci_chan *hci_chan_create(struct hci_conn *conn); |
566 | int hci_chan_del(struct hci_chan *chan); | |
2c33c06a | 567 | void hci_chan_list_flush(struct hci_conn *conn); |
73d80deb | 568 | |
5a9d0a3f WR |
569 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
570 | __u8 sec_level, __u8 auth_type); | |
e7c29cb1 | 571 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 572 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
0684e5f9 | 573 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 574 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 575 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 576 | |
14b12d0b | 577 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
1da177e4 | 578 | |
9eba32b8 MH |
579 | void hci_conn_hold_device(struct hci_conn *conn); |
580 | void hci_conn_put_device(struct hci_conn *conn); | |
581 | ||
1da177e4 LT |
582 | static inline void hci_conn_hold(struct hci_conn *conn) |
583 | { | |
584 | atomic_inc(&conn->refcnt); | |
2f304d1e | 585 | cancel_delayed_work(&conn->disc_work); |
1da177e4 LT |
586 | } |
587 | ||
588 | static inline void hci_conn_put(struct hci_conn *conn) | |
589 | { | |
590 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 591 | unsigned long timeo; |
454d48ff | 592 | if (conn->type == ACL_LINK || conn->type == LE_LINK) { |
04837f64 | 593 | del_timer(&conn->idle_timer); |
6ac59344 | 594 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 595 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 596 | if (!conn->out) |
052b30b0 | 597 | timeo *= 2; |
5a9d0a3f | 598 | } else { |
6ac59344 | 599 | timeo = msecs_to_jiffies(10); |
5a9d0a3f WR |
600 | } |
601 | } else { | |
04837f64 | 602 | timeo = msecs_to_jiffies(10); |
5a9d0a3f | 603 | } |
2f304d1e | 604 | cancel_delayed_work(&conn->disc_work); |
19c40e3b | 605 | queue_delayed_work(conn->hdev->workqueue, |
1931782b | 606 | &conn->disc_work, timeo); |
1da177e4 LT |
607 | } |
608 | } | |
609 | ||
1da177e4 | 610 | /* ----- HCI Devices ----- */ |
dc946bd8 | 611 | static inline void hci_dev_put(struct hci_dev *d) |
1da177e4 | 612 | { |
4c724c71 | 613 | put_device(&d->dev); |
1da177e4 LT |
614 | } |
615 | ||
dc946bd8 | 616 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
1da177e4 | 617 | { |
4c724c71 | 618 | get_device(&d->dev); |
1da177e4 LT |
619 | return d; |
620 | } | |
621 | ||
09fd0de5 GP |
622 | #define hci_dev_lock(d) mutex_lock(&d->lock) |
623 | #define hci_dev_unlock(d) mutex_unlock(&d->lock) | |
1da177e4 | 624 | |
aa2b86d7 | 625 | #define to_hci_dev(d) container_of(d, struct hci_dev, dev) |
3dc07322 | 626 | #define to_hci_conn(c) container_of(c, struct hci_conn, dev) |
aa2b86d7 | 627 | |
155961e8 DH |
628 | static inline void *hci_get_drvdata(struct hci_dev *hdev) |
629 | { | |
630 | return dev_get_drvdata(&hdev->dev); | |
631 | } | |
632 | ||
633 | static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) | |
634 | { | |
635 | dev_set_drvdata(&hdev->dev, data); | |
636 | } | |
637 | ||
1da177e4 LT |
638 | struct hci_dev *hci_dev_get(int index); |
639 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
640 | ||
641 | struct hci_dev *hci_alloc_dev(void); | |
642 | void hci_free_dev(struct hci_dev *hdev); | |
643 | int hci_register_dev(struct hci_dev *hdev); | |
59735631 | 644 | void hci_unregister_dev(struct hci_dev *hdev); |
1da177e4 LT |
645 | int hci_suspend_dev(struct hci_dev *hdev); |
646 | int hci_resume_dev(struct hci_dev *hdev); | |
647 | int hci_dev_open(__u16 dev); | |
648 | int hci_dev_close(__u16 dev); | |
649 | int hci_dev_reset(__u16 dev); | |
650 | int hci_dev_reset_stat(__u16 dev); | |
651 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
652 | int hci_get_dev_list(void __user *arg); | |
653 | int hci_get_dev_info(void __user *arg); | |
654 | int hci_get_conn_list(void __user *arg); | |
655 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 656 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
657 | int hci_inquiry(void __user *arg); |
658 | ||
f0358568 JH |
659 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
660 | int hci_blacklist_clear(struct hci_dev *hdev); | |
88c1fe4b JH |
661 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
662 | int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
f0358568 | 663 | |
2aeb9a1a JH |
664 | int hci_uuids_clear(struct hci_dev *hdev); |
665 | ||
55ed8ca1 JH |
666 | int hci_link_keys_clear(struct hci_dev *hdev); |
667 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
d25e28ab JH |
668 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
669 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); | |
c9839a11 VCG |
670 | struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); |
671 | int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, | |
672 | int new_key, u8 authenticated, u8 tk[16], | |
673 | u8 enc_size, u16 ediv, u8 rand[8]); | |
674 | struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
675 | u8 addr_type); | |
b899efaf | 676 | int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); |
b899efaf | 677 | int hci_smp_ltks_clear(struct hci_dev *hdev); |
55ed8ca1 JH |
678 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
679 | ||
2763eda6 SJ |
680 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
681 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, | |
682 | bdaddr_t *bdaddr); | |
683 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, | |
684 | u8 *randomizer); | |
685 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
686 | ||
35815085 | 687 | #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ |
76c8686f AG |
688 | int hci_adv_entries_clear(struct hci_dev *hdev); |
689 | struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
690 | int hci_add_adv_entry(struct hci_dev *hdev, | |
691 | struct hci_ev_le_advertising_info *ev); | |
692 | ||
ab81cbf9 JH |
693 | void hci_del_off_timer(struct hci_dev *hdev); |
694 | ||
1da177e4 LT |
695 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
696 | ||
76bca880 | 697 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 | 698 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 699 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 700 | |
0ac7e700 | 701 | void hci_init_sysfs(struct hci_dev *hdev); |
ce242970 DH |
702 | int hci_add_sysfs(struct hci_dev *hdev); |
703 | void hci_del_sysfs(struct hci_dev *hdev); | |
a67e899c | 704 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
705 | void hci_conn_add_sysfs(struct hci_conn *conn); |
706 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 707 | |
a91f2e39 | 708 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
709 | |
710 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
711 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
712 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
713 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
714 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 715 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 716 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
e702112f | 717 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
6ed58ec5 | 718 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
5e0452c0 | 719 | #define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR)) |
1da177e4 | 720 | |
eead27da | 721 | /* ----- Extended LMP capabilities ----- */ |
59e29406 | 722 | #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) |
eead27da | 723 | |
1da177e4 | 724 | /* ----- HCI protocols ----- */ |
5a9d0a3f WR |
725 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
726 | __u8 type) | |
1da177e4 | 727 | { |
686ebf28 UF |
728 | switch (type) { |
729 | case ACL_LINK: | |
730 | return l2cap_connect_ind(hdev, bdaddr); | |
1da177e4 | 731 | |
686ebf28 UF |
732 | case SCO_LINK: |
733 | case ESCO_LINK: | |
734 | return sco_connect_ind(hdev, bdaddr); | |
1da177e4 | 735 | |
686ebf28 UF |
736 | default: |
737 | BT_ERR("unknown link type %d", type); | |
738 | return -EINVAL; | |
739 | } | |
1da177e4 LT |
740 | } |
741 | ||
742 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
743 | { | |
686ebf28 UF |
744 | switch (conn->type) { |
745 | case ACL_LINK: | |
746 | case LE_LINK: | |
747 | l2cap_connect_cfm(conn, status); | |
748 | break; | |
1da177e4 | 749 | |
686ebf28 UF |
750 | case SCO_LINK: |
751 | case ESCO_LINK: | |
752 | sco_connect_cfm(conn, status); | |
753 | break; | |
1da177e4 | 754 | |
686ebf28 UF |
755 | default: |
756 | BT_ERR("unknown link type %d", conn->type); | |
757 | break; | |
758 | } | |
e9a416b5 JH |
759 | |
760 | if (conn->connect_cfm_cb) | |
761 | conn->connect_cfm_cb(conn, status); | |
1da177e4 LT |
762 | } |
763 | ||
2950f21a | 764 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 | 765 | { |
686ebf28 UF |
766 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
767 | return HCI_ERROR_REMOTE_USER_TERM; | |
1da177e4 | 768 | |
686ebf28 | 769 | return l2cap_disconn_ind(conn); |
2950f21a MH |
770 | } |
771 | ||
772 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
773 | { | |
686ebf28 UF |
774 | switch (conn->type) { |
775 | case ACL_LINK: | |
776 | case LE_LINK: | |
777 | l2cap_disconn_cfm(conn, reason); | |
778 | break; | |
2950f21a | 779 | |
686ebf28 UF |
780 | case SCO_LINK: |
781 | case ESCO_LINK: | |
782 | sco_disconn_cfm(conn, reason); | |
783 | break; | |
2950f21a | 784 | |
686ebf28 UF |
785 | default: |
786 | BT_ERR("unknown link type %d", conn->type); | |
787 | break; | |
788 | } | |
e9a416b5 JH |
789 | |
790 | if (conn->disconn_cfm_cb) | |
791 | conn->disconn_cfm_cb(conn, reason); | |
1da177e4 LT |
792 | } |
793 | ||
794 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
795 | { | |
8c1b2355 MH |
796 | __u8 encrypt; |
797 | ||
686ebf28 UF |
798 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
799 | return; | |
800 | ||
51a8efd7 | 801 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
802 | return; |
803 | ||
804 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
686ebf28 | 805 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
806 | |
807 | if (conn->security_cfm_cb) | |
808 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
809 | } |
810 | ||
5a9d0a3f WR |
811 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
812 | __u8 encrypt) | |
1da177e4 | 813 | { |
686ebf28 UF |
814 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
815 | return; | |
1da177e4 | 816 | |
686ebf28 | 817 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
818 | |
819 | if (conn->security_cfm_cb) | |
820 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
821 | } |
822 | ||
1da177e4 LT |
823 | /* ----- HCI callbacks ----- */ |
824 | struct hci_cb { | |
825 | struct list_head list; | |
826 | ||
827 | char *name; | |
828 | ||
5a9d0a3f WR |
829 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
830 | __u8 encrypt); | |
1da177e4 LT |
831 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
832 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
833 | }; | |
834 | ||
835 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
836 | { | |
837 | struct list_head *p; | |
8c1b2355 | 838 | __u8 encrypt; |
1da177e4 LT |
839 | |
840 | hci_proto_auth_cfm(conn, status); | |
841 | ||
51a8efd7 | 842 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
843 | return; |
844 | ||
845 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
846 | ||
f20d09d5 | 847 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
848 | list_for_each(p, &hci_cb_list) { |
849 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
850 | if (cb->security_cfm) |
851 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 852 | } |
f20d09d5 | 853 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
854 | } |
855 | ||
5a9d0a3f WR |
856 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
857 | __u8 encrypt) | |
1da177e4 LT |
858 | { |
859 | struct list_head *p; | |
860 | ||
435fef20 MH |
861 | if (conn->sec_level == BT_SECURITY_SDP) |
862 | conn->sec_level = BT_SECURITY_LOW; | |
863 | ||
88167aed VCG |
864 | if (conn->pending_sec_level > conn->sec_level) |
865 | conn->sec_level = conn->pending_sec_level; | |
866 | ||
9719f8af | 867 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 | 868 | |
f20d09d5 | 869 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
870 | list_for_each(p, &hci_cb_list) { |
871 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
872 | if (cb->security_cfm) |
873 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 874 | } |
f20d09d5 | 875 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
876 | } |
877 | ||
878 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
879 | { | |
880 | struct list_head *p; | |
881 | ||
f20d09d5 | 882 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
883 | list_for_each(p, &hci_cb_list) { |
884 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
885 | if (cb->key_change_cfm) | |
886 | cb->key_change_cfm(conn, status); | |
887 | } | |
f20d09d5 | 888 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
889 | } |
890 | ||
5a9d0a3f WR |
891 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
892 | __u8 role) | |
1da177e4 LT |
893 | { |
894 | struct list_head *p; | |
895 | ||
f20d09d5 | 896 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
897 | list_for_each(p, &hci_cb_list) { |
898 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
899 | if (cb->role_switch_cfm) | |
900 | cb->role_switch_cfm(conn, status, role); | |
901 | } | |
f20d09d5 | 902 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
903 | } |
904 | ||
6759a675 JH |
905 | static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) |
906 | { | |
907 | u8 field_len; | |
908 | size_t parsed; | |
909 | ||
910 | for (parsed = 0; parsed < data_len - 1; parsed += field_len) { | |
911 | field_len = data[0]; | |
912 | ||
913 | if (field_len == 0) | |
914 | break; | |
915 | ||
916 | parsed += field_len + 1; | |
917 | ||
918 | if (parsed > data_len) | |
919 | break; | |
920 | ||
921 | if (data[1] == type) | |
922 | return true; | |
923 | ||
924 | data += field_len + 1; | |
925 | } | |
926 | ||
927 | return false; | |
928 | } | |
929 | ||
1dc06093 JH |
930 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
931 | u8 data_len) | |
932 | { | |
933 | eir[eir_len++] = sizeof(type) + data_len; | |
934 | eir[eir_len++] = type; | |
935 | memcpy(&eir[eir_len], data, data_len); | |
936 | eir_len += data_len; | |
937 | ||
938 | return eir_len; | |
939 | } | |
940 | ||
1da177e4 LT |
941 | int hci_register_cb(struct hci_cb *hcb); |
942 | int hci_unregister_cb(struct hci_cb *hcb); | |
943 | ||
a9de9248 | 944 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
73d80deb | 945 | void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); |
0d861d8b | 946 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 947 | |
a9de9248 | 948 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 | 949 | |
1da177e4 | 950 | /* ----- HCI Sockets ----- */ |
470fe1b5 MH |
951 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); |
952 | void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); | |
cd82e61c | 953 | void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); |
1da177e4 | 954 | |
040030ef MH |
955 | void hci_sock_dev_event(struct hci_dev *hdev, int event); |
956 | ||
0381101f | 957 | /* Management interface */ |
f39799f5 AG |
958 | #define MGMT_ADDR_BREDR 0x00 |
959 | #define MGMT_ADDR_LE_PUBLIC 0x01 | |
960 | #define MGMT_ADDR_LE_RANDOM 0x02 | |
961 | #define MGMT_ADDR_INVALID 0xff | |
962 | ||
963 | #define DISCOV_TYPE_BREDR (BIT(MGMT_ADDR_BREDR)) | |
964 | #define DISCOV_TYPE_LE (BIT(MGMT_ADDR_LE_PUBLIC) | \ | |
965 | BIT(MGMT_ADDR_LE_RANDOM)) | |
966 | #define DISCOV_TYPE_INTERLEAVED (BIT(MGMT_ADDR_BREDR) | \ | |
967 | BIT(MGMT_ADDR_LE_PUBLIC) | \ | |
968 | BIT(MGMT_ADDR_LE_RANDOM)) | |
969 | ||
0381101f | 970 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); |
744cf19e JH |
971 | int mgmt_index_added(struct hci_dev *hdev); |
972 | int mgmt_index_removed(struct hci_dev *hdev); | |
973 | int mgmt_powered(struct hci_dev *hdev, u8 powered); | |
974 | int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); | |
975 | int mgmt_connectable(struct hci_dev *hdev, u8 connectable); | |
976 | int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); | |
977 | int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, | |
978 | u8 persistent); | |
afc747a6 | 979 | int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
b644ba33 JH |
980 | u8 addr_type, u8 *name, u8 name_len, |
981 | u8 *dev_class); | |
afc747a6 JH |
982 | int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
983 | u8 link_type, u8 addr_type); | |
88c3df13 JH |
984 | int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
985 | u8 link_type, u8 addr_type, u8 status); | |
48264f06 JH |
986 | int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
987 | u8 addr_type, u8 status); | |
744cf19e JH |
988 | int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); |
989 | int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c35938b2 | 990 | u8 status); |
744cf19e JH |
991 | int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
992 | u8 status); | |
993 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
272d90df JH |
994 | u8 link_type, u8 addr_type, __le32 value, |
995 | u8 confirm_hint); | |
744cf19e | 996 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
272d90df JH |
997 | u8 link_type, u8 addr_type, u8 status); |
998 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
999 | u8 link_type, u8 addr_type, u8 status); | |
1000 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
1001 | u8 link_type, u8 addr_type); | |
604086b7 | 1002 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
272d90df JH |
1003 | u8 link_type, u8 addr_type, u8 status); |
1004 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
1005 | u8 link_type, u8 addr_type, u8 status); | |
bab73cb6 JH |
1006 | int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1007 | u8 addr_type, u8 status); | |
33ef95ed | 1008 | int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); |
c0ecddc2 | 1009 | int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
7f9a903c MH |
1010 | int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
1011 | u8 status); | |
744cf19e JH |
1012 | int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); |
1013 | int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, | |
1014 | u8 *randomizer, u8 status); | |
06199cf8 | 1015 | int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
48264f06 | 1016 | int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
561aafbc | 1017 | u8 addr_type, u8 *dev_class, s8 rssi, |
e319d2e7 | 1018 | u8 cfm_name, u8 *eir, u16 eir_len); |
b644ba33 JH |
1019 | int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1020 | u8 addr_type, s8 rssi, u8 *name, u8 name_len); | |
7a135109 | 1021 | int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); |
e6d465cb | 1022 | int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); |
744cf19e | 1023 | int mgmt_discovering(struct hci_dev *hdev, u8 discovering); |
5e0452c0 | 1024 | int mgmt_interleaved_discovery(struct hci_dev *hdev); |
88c1fe4b JH |
1025 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
1026 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
0381101f | 1027 | |
346af67b VCG |
1028 | int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); |
1029 | ||
1da177e4 LT |
1030 | /* HCI info for socket */ |
1031 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
1032 | ||
14c0b608 JH |
1033 | /* HCI socket flags */ |
1034 | #define HCI_PI_MGMT_INIT 0 | |
1035 | ||
1da177e4 LT |
1036 | struct hci_pinfo { |
1037 | struct bt_sock bt; | |
1038 | struct hci_dev *hdev; | |
1039 | struct hci_filter filter; | |
1040 | __u32 cmsg_mask; | |
c02178d2 | 1041 | unsigned short channel; |
14c0b608 | 1042 | unsigned long flags; |
1da177e4 LT |
1043 | }; |
1044 | ||
1045 | /* HCI security filter */ | |
1046 | #define HCI_SFLT_MAX_OGF 5 | |
1047 | ||
1048 | struct hci_sec_filter { | |
1049 | __u32 type_mask; | |
1050 | __u32 event_mask[2]; | |
1051 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
1052 | }; | |
1053 | ||
1054 | /* ----- HCI requests ----- */ | |
1055 | #define HCI_REQ_DONE 0 | |
1056 | #define HCI_REQ_PEND 1 | |
1057 | #define HCI_REQ_CANCELED 2 | |
1058 | ||
a6a67efd TG |
1059 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
1060 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 | 1061 | |
23bb5763 | 1062 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
1da177e4 | 1063 | |
2ce603eb CT |
1064 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
1065 | u16 latency, u16 to_multiplier); | |
a7a595f6 VCG |
1066 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], |
1067 | __u8 ltk[16]); | |
1068 | void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); | |
1069 | void hci_le_ltk_neg_reply(struct hci_conn *conn); | |
1070 | ||
2519a1fc | 1071 | int hci_do_inquiry(struct hci_dev *hdev, u8 length); |
023d5049 | 1072 | int hci_cancel_inquiry(struct hci_dev *hdev); |
28b75a89 AG |
1073 | int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, |
1074 | int timeout); | |
2519a1fc | 1075 | |
1da177e4 | 1076 | #endif /* __HCI_CORE_H */ |