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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 { |
ff9ef578 JH |
60 | enum { |
61 | DISCOVERY_STOPPED, | |
62 | DISCOVERY_STARTING, | |
30dc78e1 | 63 | DISCOVERY_INQUIRY, |
c599008f | 64 | DISCOVERY_LE_SCAN, |
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 | ||
257 | void *driver_data; | |
258 | void *core_data; | |
259 | ||
70f23020 | 260 | atomic_t promisc; |
1da177e4 | 261 | |
ca325f69 MH |
262 | struct dentry *debugfs; |
263 | ||
a91f2e39 MH |
264 | struct device *parent; |
265 | struct device dev; | |
1da177e4 | 266 | |
611b30f7 MH |
267 | struct rfkill *rfkill; |
268 | ||
d23264a8 AG |
269 | unsigned long dev_flags; |
270 | ||
7ba8b4be AG |
271 | struct delayed_work le_scan_disable; |
272 | ||
28b75a89 AG |
273 | struct work_struct le_scan; |
274 | struct le_scan_params le_scan_params; | |
275 | ||
1da177e4 LT |
276 | int (*open)(struct hci_dev *hdev); |
277 | int (*close)(struct hci_dev *hdev); | |
278 | int (*flush)(struct hci_dev *hdev); | |
279 | int (*send)(struct sk_buff *skb); | |
1da177e4 LT |
280 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
281 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
282 | }; | |
283 | ||
284 | struct hci_conn { | |
285 | struct list_head list; | |
286 | ||
adc4266d | 287 | atomic_t refcnt; |
adc4266d SJ |
288 | |
289 | bdaddr_t dst; | |
5a9d0a3f | 290 | __u8 dst_type; |
adc4266d SJ |
291 | __u16 handle; |
292 | __u16 state; | |
293 | __u8 mode; | |
294 | __u8 type; | |
a0c808b3 | 295 | bool out; |
adc4266d SJ |
296 | __u8 attempt; |
297 | __u8 dev_class[3]; | |
298 | __u8 features[8]; | |
adc4266d SJ |
299 | __u16 interval; |
300 | __u16 pkt_type; | |
301 | __u16 link_policy; | |
302 | __u32 link_mode; | |
13d39315 | 303 | __u8 key_type; |
adc4266d SJ |
304 | __u8 auth_type; |
305 | __u8 sec_level; | |
306 | __u8 pending_sec_level; | |
307 | __u8 pin_length; | |
726b4ffc | 308 | __u8 enc_key_size; |
adc4266d | 309 | __u8 io_capability; |
adc4266d | 310 | __u16 disc_timeout; |
51a8efd7 | 311 | unsigned long flags; |
04837f64 | 312 | |
03b555e1 | 313 | __u8 remote_cap; |
03b555e1 JH |
314 | __u8 remote_auth; |
315 | ||
adc4266d | 316 | unsigned int sent; |
04837f64 | 317 | |
1da177e4 | 318 | struct sk_buff_head data_q; |
2c33c06a | 319 | struct list_head chan_list; |
1da177e4 | 320 | |
19c40e3b | 321 | struct delayed_work disc_work; |
04837f64 | 322 | struct timer_list idle_timer; |
9f61656a | 323 | struct timer_list auto_accept_timer; |
04837f64 | 324 | |
b219e3ac | 325 | struct device dev; |
9eba32b8 | 326 | atomic_t devref; |
b219e3ac | 327 | |
1da177e4 LT |
328 | struct hci_dev *hdev; |
329 | void *l2cap_data; | |
330 | void *sco_data; | |
2b64d153 | 331 | void *smp_conn; |
1da177e4 LT |
332 | |
333 | struct hci_conn *link; | |
e9a416b5 JH |
334 | |
335 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
336 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
337 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
338 | }; |
339 | ||
73d80deb LAD |
340 | struct hci_chan { |
341 | struct list_head list; | |
342 | ||
343 | struct hci_conn *conn; | |
344 | struct sk_buff_head data_q; | |
345 | unsigned int sent; | |
346 | }; | |
347 | ||
1da177e4 LT |
348 | extern struct list_head hci_dev_list; |
349 | extern struct list_head hci_cb_list; | |
350 | extern rwlock_t hci_dev_list_lock; | |
351 | extern rwlock_t hci_cb_list_lock; | |
352 | ||
686ebf28 UF |
353 | /* ----- HCI interface to upper protocols ----- */ |
354 | extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
355 | extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); | |
356 | extern int l2cap_disconn_ind(struct hci_conn *hcon); | |
357 | extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); | |
358 | extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); | |
359 | extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); | |
360 | ||
361 | extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
362 | extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); | |
363 | extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); | |
364 | extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); | |
365 | ||
1da177e4 | 366 | /* ----- Inquiry cache ----- */ |
70f23020 AE |
367 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
368 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 | 369 | |
30883512 | 370 | static inline void discovery_init(struct hci_dev *hdev) |
1da177e4 | 371 | { |
ff9ef578 | 372 | hdev->discovery.state = DISCOVERY_STOPPED; |
30883512 JH |
373 | INIT_LIST_HEAD(&hdev->discovery.all); |
374 | INIT_LIST_HEAD(&hdev->discovery.unknown); | |
375 | INIT_LIST_HEAD(&hdev->discovery.resolve); | |
1da177e4 LT |
376 | } |
377 | ||
30dc78e1 JH |
378 | bool hci_discovery_active(struct hci_dev *hdev); |
379 | ||
ff9ef578 JH |
380 | void hci_discovery_set_state(struct hci_dev *hdev, int state); |
381 | ||
1da177e4 LT |
382 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
383 | { | |
30883512 | 384 | return list_empty(&hdev->discovery.all); |
1da177e4 LT |
385 | } |
386 | ||
387 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
388 | { | |
30883512 | 389 | struct discovery_state *c = &hdev->discovery; |
1da177e4 LT |
390 | return jiffies - c->timestamp; |
391 | } | |
392 | ||
393 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
394 | { | |
395 | return jiffies - e->timestamp; | |
396 | } | |
397 | ||
5a9d0a3f WR |
398 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
399 | bdaddr_t *bdaddr); | |
561aafbc JH |
400 | struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, |
401 | bdaddr_t *bdaddr); | |
30dc78e1 JH |
402 | struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, |
403 | bdaddr_t *bdaddr, | |
404 | int state); | |
a3d4e20a JH |
405 | void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, |
406 | struct inquiry_entry *ie); | |
3175405b | 407 | bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, |
561aafbc | 408 | bool name_known); |
1da177e4 LT |
409 | |
410 | /* ----- HCI Connections ----- */ | |
411 | enum { | |
412 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 413 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 414 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
415 | HCI_CONN_RSWITCH_PEND, |
416 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 417 | HCI_CONN_SCO_SETUP_PEND, |
d26a2345 | 418 | HCI_CONN_LE_SMP_PEND, |
b644ba33 | 419 | HCI_CONN_MGMT_CONNECTED, |
58a681ef JH |
420 | HCI_CONN_SSP_ENABLED, |
421 | HCI_CONN_POWER_SAVE, | |
422 | HCI_CONN_REMOTE_OOB, | |
1da177e4 LT |
423 | }; |
424 | ||
aa64a8b5 JH |
425 | static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) |
426 | { | |
427 | struct hci_dev *hdev = conn->hdev; | |
428 | return (test_bit(HCI_SSP_ENABLED, &hdev->flags) && | |
429 | test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); | |
430 | } | |
431 | ||
1da177e4 LT |
432 | static inline void hci_conn_hash_init(struct hci_dev *hdev) |
433 | { | |
434 | struct hci_conn_hash *h = &hdev->conn_hash; | |
435 | INIT_LIST_HEAD(&h->list); | |
1da177e4 LT |
436 | h->acl_num = 0; |
437 | h->sco_num = 0; | |
dc8ed672 | 438 | h->le_num = 0; |
1da177e4 LT |
439 | } |
440 | ||
441 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
442 | { | |
443 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 | 444 | list_add_rcu(&c->list, &h->list); |
fcd89c09 VT |
445 | switch (c->type) { |
446 | case ACL_LINK: | |
1da177e4 | 447 | h->acl_num++; |
fcd89c09 VT |
448 | break; |
449 | case LE_LINK: | |
450 | h->le_num++; | |
451 | break; | |
452 | case SCO_LINK: | |
453 | case ESCO_LINK: | |
1da177e4 | 454 | h->sco_num++; |
fcd89c09 VT |
455 | break; |
456 | } | |
1da177e4 LT |
457 | } |
458 | ||
459 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
460 | { | |
461 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 GP |
462 | |
463 | list_del_rcu(&c->list); | |
464 | synchronize_rcu(); | |
465 | ||
fcd89c09 VT |
466 | switch (c->type) { |
467 | case ACL_LINK: | |
1da177e4 | 468 | h->acl_num--; |
fcd89c09 VT |
469 | break; |
470 | case LE_LINK: | |
471 | h->le_num--; | |
472 | break; | |
473 | case SCO_LINK: | |
474 | case ESCO_LINK: | |
1da177e4 | 475 | h->sco_num--; |
fcd89c09 VT |
476 | break; |
477 | } | |
1da177e4 LT |
478 | } |
479 | ||
52087a79 LAD |
480 | static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) |
481 | { | |
482 | struct hci_conn_hash *h = &hdev->conn_hash; | |
483 | switch (type) { | |
484 | case ACL_LINK: | |
485 | return h->acl_num; | |
486 | case LE_LINK: | |
487 | return h->le_num; | |
488 | case SCO_LINK: | |
489 | case ESCO_LINK: | |
490 | return h->sco_num; | |
491 | default: | |
492 | return 0; | |
493 | } | |
494 | } | |
495 | ||
1da177e4 | 496 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, |
adc4266d | 497 | __u16 handle) |
1da177e4 LT |
498 | { |
499 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
500 | struct hci_conn *c; |
501 | ||
bf4c6325 GP |
502 | rcu_read_lock(); |
503 | ||
504 | list_for_each_entry_rcu(c, &h->list, list) { | |
505 | if (c->handle == handle) { | |
506 | rcu_read_unlock(); | |
1da177e4 | 507 | return c; |
bf4c6325 | 508 | } |
1da177e4 | 509 | } |
bf4c6325 GP |
510 | rcu_read_unlock(); |
511 | ||
1da177e4 LT |
512 | return NULL; |
513 | } | |
514 | ||
515 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 516 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
517 | { |
518 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
519 | struct hci_conn *c; |
520 | ||
bf4c6325 GP |
521 | rcu_read_lock(); |
522 | ||
523 | list_for_each_entry_rcu(c, &h->list, list) { | |
524 | if (c->type == type && !bacmp(&c->dst, ba)) { | |
525 | rcu_read_unlock(); | |
1da177e4 | 526 | return c; |
bf4c6325 | 527 | } |
1da177e4 | 528 | } |
bf4c6325 GP |
529 | |
530 | rcu_read_unlock(); | |
531 | ||
1da177e4 LT |
532 | return NULL; |
533 | } | |
534 | ||
4c67bc74 | 535 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 536 | __u8 type, __u16 state) |
4c67bc74 MH |
537 | { |
538 | struct hci_conn_hash *h = &hdev->conn_hash; | |
4c67bc74 MH |
539 | struct hci_conn *c; |
540 | ||
bf4c6325 GP |
541 | rcu_read_lock(); |
542 | ||
543 | list_for_each_entry_rcu(c, &h->list, list) { | |
544 | if (c->type == type && c->state == state) { | |
545 | rcu_read_unlock(); | |
4c67bc74 | 546 | return c; |
bf4c6325 | 547 | } |
4c67bc74 | 548 | } |
73d80deb | 549 | |
bf4c6325 | 550 | rcu_read_unlock(); |
73d80deb | 551 | |
4c67bc74 | 552 | return NULL; |
73d80deb LAD |
553 | } |
554 | ||
4c67bc74 | 555 | void hci_acl_connect(struct hci_conn *conn); |
1da177e4 LT |
556 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
557 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 558 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 559 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
560 | |
561 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
562 | int hci_conn_del(struct hci_conn *conn); |
563 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
564 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 565 | |
73d80deb LAD |
566 | struct hci_chan *hci_chan_create(struct hci_conn *conn); |
567 | int hci_chan_del(struct hci_chan *chan); | |
2c33c06a | 568 | void hci_chan_list_flush(struct hci_conn *conn); |
73d80deb | 569 | |
5a9d0a3f WR |
570 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
571 | __u8 sec_level, __u8 auth_type); | |
e7c29cb1 | 572 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 573 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
0684e5f9 | 574 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 575 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 576 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 577 | |
14b12d0b | 578 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
1da177e4 | 579 | |
9eba32b8 MH |
580 | void hci_conn_hold_device(struct hci_conn *conn); |
581 | void hci_conn_put_device(struct hci_conn *conn); | |
582 | ||
1da177e4 LT |
583 | static inline void hci_conn_hold(struct hci_conn *conn) |
584 | { | |
585 | atomic_inc(&conn->refcnt); | |
2f304d1e | 586 | cancel_delayed_work(&conn->disc_work); |
1da177e4 LT |
587 | } |
588 | ||
589 | static inline void hci_conn_put(struct hci_conn *conn) | |
590 | { | |
591 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 592 | unsigned long timeo; |
454d48ff | 593 | if (conn->type == ACL_LINK || conn->type == LE_LINK) { |
04837f64 | 594 | del_timer(&conn->idle_timer); |
6ac59344 | 595 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 596 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 597 | if (!conn->out) |
052b30b0 | 598 | timeo *= 2; |
5a9d0a3f | 599 | } else { |
6ac59344 | 600 | timeo = msecs_to_jiffies(10); |
5a9d0a3f WR |
601 | } |
602 | } else { | |
04837f64 | 603 | timeo = msecs_to_jiffies(10); |
5a9d0a3f | 604 | } |
2f304d1e | 605 | cancel_delayed_work(&conn->disc_work); |
19c40e3b | 606 | queue_delayed_work(conn->hdev->workqueue, |
1931782b | 607 | &conn->disc_work, timeo); |
1da177e4 LT |
608 | } |
609 | } | |
610 | ||
1da177e4 | 611 | /* ----- HCI Devices ----- */ |
dc946bd8 | 612 | static inline void hci_dev_put(struct hci_dev *d) |
1da177e4 | 613 | { |
4c724c71 | 614 | put_device(&d->dev); |
1da177e4 LT |
615 | } |
616 | ||
dc946bd8 | 617 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
1da177e4 | 618 | { |
4c724c71 | 619 | get_device(&d->dev); |
1da177e4 LT |
620 | return d; |
621 | } | |
622 | ||
09fd0de5 GP |
623 | #define hci_dev_lock(d) mutex_lock(&d->lock) |
624 | #define hci_dev_unlock(d) mutex_unlock(&d->lock) | |
1da177e4 LT |
625 | |
626 | struct hci_dev *hci_dev_get(int index); | |
627 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
628 | ||
629 | struct hci_dev *hci_alloc_dev(void); | |
630 | void hci_free_dev(struct hci_dev *hdev); | |
631 | int hci_register_dev(struct hci_dev *hdev); | |
59735631 | 632 | void hci_unregister_dev(struct hci_dev *hdev); |
1da177e4 LT |
633 | int hci_suspend_dev(struct hci_dev *hdev); |
634 | int hci_resume_dev(struct hci_dev *hdev); | |
635 | int hci_dev_open(__u16 dev); | |
636 | int hci_dev_close(__u16 dev); | |
637 | int hci_dev_reset(__u16 dev); | |
638 | int hci_dev_reset_stat(__u16 dev); | |
639 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
640 | int hci_get_dev_list(void __user *arg); | |
641 | int hci_get_dev_info(void __user *arg); | |
642 | int hci_get_conn_list(void __user *arg); | |
643 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 644 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
645 | int hci_inquiry(void __user *arg); |
646 | ||
f0358568 JH |
647 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
648 | int hci_blacklist_clear(struct hci_dev *hdev); | |
88c1fe4b JH |
649 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
650 | int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
f0358568 | 651 | |
2aeb9a1a JH |
652 | int hci_uuids_clear(struct hci_dev *hdev); |
653 | ||
55ed8ca1 JH |
654 | int hci_link_keys_clear(struct hci_dev *hdev); |
655 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
d25e28ab JH |
656 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
657 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); | |
c9839a11 VCG |
658 | struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); |
659 | int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, | |
660 | int new_key, u8 authenticated, u8 tk[16], | |
661 | u8 enc_size, u16 ediv, u8 rand[8]); | |
662 | struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
663 | u8 addr_type); | |
b899efaf | 664 | int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); |
b899efaf | 665 | int hci_smp_ltks_clear(struct hci_dev *hdev); |
55ed8ca1 JH |
666 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
667 | ||
2763eda6 SJ |
668 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
669 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, | |
670 | bdaddr_t *bdaddr); | |
671 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, | |
672 | u8 *randomizer); | |
673 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
674 | ||
35815085 | 675 | #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ |
76c8686f AG |
676 | int hci_adv_entries_clear(struct hci_dev *hdev); |
677 | struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
678 | int hci_add_adv_entry(struct hci_dev *hdev, | |
679 | struct hci_ev_le_advertising_info *ev); | |
680 | ||
ab81cbf9 JH |
681 | void hci_del_off_timer(struct hci_dev *hdev); |
682 | ||
1da177e4 LT |
683 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
684 | ||
76bca880 | 685 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 | 686 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 687 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 688 | |
0ac7e700 | 689 | void hci_init_sysfs(struct hci_dev *hdev); |
ce242970 DH |
690 | int hci_add_sysfs(struct hci_dev *hdev); |
691 | void hci_del_sysfs(struct hci_dev *hdev); | |
a67e899c | 692 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
693 | void hci_conn_add_sysfs(struct hci_conn *conn); |
694 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 695 | |
a91f2e39 | 696 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
697 | |
698 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
699 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
700 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
701 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
702 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 703 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 704 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
e702112f | 705 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
6ed58ec5 | 706 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
1da177e4 | 707 | |
eead27da | 708 | /* ----- Extended LMP capabilities ----- */ |
59e29406 | 709 | #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) |
eead27da | 710 | |
1da177e4 | 711 | /* ----- HCI protocols ----- */ |
5a9d0a3f WR |
712 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
713 | __u8 type) | |
1da177e4 | 714 | { |
686ebf28 UF |
715 | switch (type) { |
716 | case ACL_LINK: | |
717 | return l2cap_connect_ind(hdev, bdaddr); | |
1da177e4 | 718 | |
686ebf28 UF |
719 | case SCO_LINK: |
720 | case ESCO_LINK: | |
721 | return sco_connect_ind(hdev, bdaddr); | |
1da177e4 | 722 | |
686ebf28 UF |
723 | default: |
724 | BT_ERR("unknown link type %d", type); | |
725 | return -EINVAL; | |
726 | } | |
1da177e4 LT |
727 | } |
728 | ||
729 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
730 | { | |
686ebf28 UF |
731 | switch (conn->type) { |
732 | case ACL_LINK: | |
733 | case LE_LINK: | |
734 | l2cap_connect_cfm(conn, status); | |
735 | break; | |
1da177e4 | 736 | |
686ebf28 UF |
737 | case SCO_LINK: |
738 | case ESCO_LINK: | |
739 | sco_connect_cfm(conn, status); | |
740 | break; | |
1da177e4 | 741 | |
686ebf28 UF |
742 | default: |
743 | BT_ERR("unknown link type %d", conn->type); | |
744 | break; | |
745 | } | |
e9a416b5 JH |
746 | |
747 | if (conn->connect_cfm_cb) | |
748 | conn->connect_cfm_cb(conn, status); | |
1da177e4 LT |
749 | } |
750 | ||
2950f21a | 751 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 | 752 | { |
686ebf28 UF |
753 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
754 | return HCI_ERROR_REMOTE_USER_TERM; | |
1da177e4 | 755 | |
686ebf28 | 756 | return l2cap_disconn_ind(conn); |
2950f21a MH |
757 | } |
758 | ||
759 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
760 | { | |
686ebf28 UF |
761 | switch (conn->type) { |
762 | case ACL_LINK: | |
763 | case LE_LINK: | |
764 | l2cap_disconn_cfm(conn, reason); | |
765 | break; | |
2950f21a | 766 | |
686ebf28 UF |
767 | case SCO_LINK: |
768 | case ESCO_LINK: | |
769 | sco_disconn_cfm(conn, reason); | |
770 | break; | |
2950f21a | 771 | |
686ebf28 UF |
772 | default: |
773 | BT_ERR("unknown link type %d", conn->type); | |
774 | break; | |
775 | } | |
e9a416b5 JH |
776 | |
777 | if (conn->disconn_cfm_cb) | |
778 | conn->disconn_cfm_cb(conn, reason); | |
1da177e4 LT |
779 | } |
780 | ||
781 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
782 | { | |
8c1b2355 MH |
783 | __u8 encrypt; |
784 | ||
686ebf28 UF |
785 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
786 | return; | |
787 | ||
51a8efd7 | 788 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
789 | return; |
790 | ||
791 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
686ebf28 | 792 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
793 | |
794 | if (conn->security_cfm_cb) | |
795 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
796 | } |
797 | ||
5a9d0a3f WR |
798 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
799 | __u8 encrypt) | |
1da177e4 | 800 | { |
686ebf28 UF |
801 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
802 | return; | |
1da177e4 | 803 | |
686ebf28 | 804 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
805 | |
806 | if (conn->security_cfm_cb) | |
807 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
808 | } |
809 | ||
1da177e4 LT |
810 | /* ----- HCI callbacks ----- */ |
811 | struct hci_cb { | |
812 | struct list_head list; | |
813 | ||
814 | char *name; | |
815 | ||
5a9d0a3f WR |
816 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
817 | __u8 encrypt); | |
1da177e4 LT |
818 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
819 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
820 | }; | |
821 | ||
822 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
823 | { | |
824 | struct list_head *p; | |
8c1b2355 | 825 | __u8 encrypt; |
1da177e4 LT |
826 | |
827 | hci_proto_auth_cfm(conn, status); | |
828 | ||
51a8efd7 | 829 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
830 | return; |
831 | ||
832 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
833 | ||
f20d09d5 | 834 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
835 | list_for_each(p, &hci_cb_list) { |
836 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
837 | if (cb->security_cfm) |
838 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 839 | } |
f20d09d5 | 840 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
841 | } |
842 | ||
5a9d0a3f WR |
843 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
844 | __u8 encrypt) | |
1da177e4 LT |
845 | { |
846 | struct list_head *p; | |
847 | ||
435fef20 MH |
848 | if (conn->sec_level == BT_SECURITY_SDP) |
849 | conn->sec_level = BT_SECURITY_LOW; | |
850 | ||
88167aed VCG |
851 | if (conn->pending_sec_level > conn->sec_level) |
852 | conn->sec_level = conn->pending_sec_level; | |
853 | ||
9719f8af | 854 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 | 855 | |
f20d09d5 | 856 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
857 | list_for_each(p, &hci_cb_list) { |
858 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
859 | if (cb->security_cfm) |
860 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 861 | } |
f20d09d5 | 862 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
863 | } |
864 | ||
865 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
866 | { | |
867 | struct list_head *p; | |
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); | |
872 | if (cb->key_change_cfm) | |
873 | cb->key_change_cfm(conn, status); | |
874 | } | |
f20d09d5 | 875 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
876 | } |
877 | ||
5a9d0a3f WR |
878 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
879 | __u8 role) | |
1da177e4 LT |
880 | { |
881 | struct list_head *p; | |
882 | ||
f20d09d5 | 883 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
884 | list_for_each(p, &hci_cb_list) { |
885 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
886 | if (cb->role_switch_cfm) | |
887 | cb->role_switch_cfm(conn, status, role); | |
888 | } | |
f20d09d5 | 889 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
890 | } |
891 | ||
6759a675 JH |
892 | static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) |
893 | { | |
894 | u8 field_len; | |
895 | size_t parsed; | |
896 | ||
897 | for (parsed = 0; parsed < data_len - 1; parsed += field_len) { | |
898 | field_len = data[0]; | |
899 | ||
900 | if (field_len == 0) | |
901 | break; | |
902 | ||
903 | parsed += field_len + 1; | |
904 | ||
905 | if (parsed > data_len) | |
906 | break; | |
907 | ||
908 | if (data[1] == type) | |
909 | return true; | |
910 | ||
911 | data += field_len + 1; | |
912 | } | |
913 | ||
914 | return false; | |
915 | } | |
916 | ||
1dc06093 JH |
917 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
918 | u8 data_len) | |
919 | { | |
920 | eir[eir_len++] = sizeof(type) + data_len; | |
921 | eir[eir_len++] = type; | |
922 | memcpy(&eir[eir_len], data, data_len); | |
923 | eir_len += data_len; | |
924 | ||
925 | return eir_len; | |
926 | } | |
927 | ||
1da177e4 LT |
928 | int hci_register_cb(struct hci_cb *hcb); |
929 | int hci_unregister_cb(struct hci_cb *hcb); | |
930 | ||
931 | int hci_register_notifier(struct notifier_block *nb); | |
932 | int hci_unregister_notifier(struct notifier_block *nb); | |
933 | ||
a9de9248 | 934 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
73d80deb | 935 | void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); |
0d861d8b | 936 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 937 | |
a9de9248 | 938 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 LT |
939 | |
940 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data); | |
941 | ||
942 | /* ----- HCI Sockets ----- */ | |
eec8d2bc JH |
943 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb, |
944 | struct sock *skip_sk); | |
1da177e4 | 945 | |
0381101f JH |
946 | /* Management interface */ |
947 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); | |
744cf19e JH |
948 | int mgmt_index_added(struct hci_dev *hdev); |
949 | int mgmt_index_removed(struct hci_dev *hdev); | |
950 | int mgmt_powered(struct hci_dev *hdev, u8 powered); | |
951 | int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); | |
952 | int mgmt_connectable(struct hci_dev *hdev, u8 connectable); | |
953 | int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); | |
954 | int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, | |
955 | u8 persistent); | |
afc747a6 | 956 | int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
b644ba33 JH |
957 | u8 addr_type, u8 *name, u8 name_len, |
958 | u8 *dev_class); | |
afc747a6 JH |
959 | int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
960 | u8 link_type, u8 addr_type); | |
88c3df13 JH |
961 | int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
962 | u8 link_type, u8 addr_type, u8 status); | |
48264f06 JH |
963 | int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
964 | u8 addr_type, u8 status); | |
744cf19e JH |
965 | int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); |
966 | int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c35938b2 | 967 | u8 status); |
744cf19e JH |
968 | int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
969 | u8 status); | |
970 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
272d90df JH |
971 | u8 link_type, u8 addr_type, __le32 value, |
972 | u8 confirm_hint); | |
744cf19e | 973 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
272d90df JH |
974 | u8 link_type, u8 addr_type, u8 status); |
975 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
976 | u8 link_type, u8 addr_type, u8 status); | |
977 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
978 | u8 link_type, u8 addr_type); | |
604086b7 | 979 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
272d90df JH |
980 | u8 link_type, u8 addr_type, u8 status); |
981 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
982 | u8 link_type, u8 addr_type, u8 status); | |
bab73cb6 JH |
983 | int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
984 | u8 addr_type, u8 status); | |
744cf19e JH |
985 | int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); |
986 | int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, | |
987 | u8 *randomizer, u8 status); | |
48264f06 | 988 | int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
561aafbc | 989 | u8 addr_type, u8 *dev_class, s8 rssi, |
e319d2e7 | 990 | u8 cfm_name, u8 *eir, u16 eir_len); |
b644ba33 JH |
991 | int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
992 | u8 addr_type, s8 rssi, u8 *name, u8 name_len); | |
7a135109 | 993 | int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); |
e6d465cb | 994 | int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); |
744cf19e | 995 | int mgmt_discovering(struct hci_dev *hdev, u8 discovering); |
88c1fe4b JH |
996 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
997 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
0381101f | 998 | |
346af67b VCG |
999 | int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); |
1000 | ||
1da177e4 LT |
1001 | /* HCI info for socket */ |
1002 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
1003 | ||
14c0b608 JH |
1004 | /* HCI socket flags */ |
1005 | #define HCI_PI_MGMT_INIT 0 | |
1006 | ||
1da177e4 LT |
1007 | struct hci_pinfo { |
1008 | struct bt_sock bt; | |
1009 | struct hci_dev *hdev; | |
1010 | struct hci_filter filter; | |
1011 | __u32 cmsg_mask; | |
c02178d2 | 1012 | unsigned short channel; |
14c0b608 | 1013 | unsigned long flags; |
1da177e4 LT |
1014 | }; |
1015 | ||
1016 | /* HCI security filter */ | |
1017 | #define HCI_SFLT_MAX_OGF 5 | |
1018 | ||
1019 | struct hci_sec_filter { | |
1020 | __u32 type_mask; | |
1021 | __u32 event_mask[2]; | |
1022 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
1023 | }; | |
1024 | ||
1025 | /* ----- HCI requests ----- */ | |
1026 | #define HCI_REQ_DONE 0 | |
1027 | #define HCI_REQ_PEND 1 | |
1028 | #define HCI_REQ_CANCELED 2 | |
1029 | ||
a6a67efd TG |
1030 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
1031 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 | 1032 | |
23bb5763 | 1033 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
1da177e4 | 1034 | |
2ce603eb CT |
1035 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
1036 | u16 latency, u16 to_multiplier); | |
a7a595f6 VCG |
1037 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], |
1038 | __u8 ltk[16]); | |
1039 | void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16]); | |
1040 | void hci_le_ltk_neg_reply(struct hci_conn *conn); | |
1041 | ||
2519a1fc | 1042 | int hci_do_inquiry(struct hci_dev *hdev, u8 length); |
023d5049 | 1043 | int hci_cancel_inquiry(struct hci_dev *hdev); |
28b75a89 AG |
1044 | int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, |
1045 | int timeout); | |
2519a1fc | 1046 | |
1da177e4 | 1047 | #endif /* __HCI_CORE_H */ |