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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 | ||
490c5bab JH |
132 | #define HCI_MAX_SHORT_NAME_LENGTH 10 |
133 | ||
cd4c5391 | 134 | #define NUM_REASSEMBLY 4 |
1da177e4 LT |
135 | struct hci_dev { |
136 | struct list_head list; | |
09fd0de5 | 137 | struct mutex lock; |
1da177e4 LT |
138 | |
139 | char name[8]; | |
140 | unsigned long flags; | |
141 | __u16 id; | |
c13854ce | 142 | __u8 bus; |
943da25d | 143 | __u8 dev_type; |
1da177e4 | 144 | bdaddr_t bdaddr; |
1f6c6378 | 145 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
490c5bab | 146 | __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; |
80a1e1db | 147 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
a9de9248 | 148 | __u8 dev_class[3]; |
1aff6f09 JH |
149 | __u8 major_class; |
150 | __u8 minor_class; | |
1da177e4 | 151 | __u8 features[8]; |
59e29406 | 152 | __u8 host_features[8]; |
a9de9248 | 153 | __u8 commands[64]; |
1143e5a6 MH |
154 | __u8 hci_ver; |
155 | __u16 hci_rev; | |
d5859e22 | 156 | __u8 lmp_ver; |
1143e5a6 | 157 | __u16 manufacturer; |
d5859e22 | 158 | __le16 lmp_subver; |
1da177e4 | 159 | __u16 voice_setting; |
17fa4b9d | 160 | __u8 io_capability; |
1da177e4 LT |
161 | |
162 | __u16 pkt_type; | |
5b7f9909 | 163 | __u16 esco_type; |
1da177e4 LT |
164 | __u16 link_policy; |
165 | __u16 link_mode; | |
166 | ||
04837f64 MH |
167 | __u32 idle_timeout; |
168 | __u16 sniff_min_interval; | |
169 | __u16 sniff_max_interval; | |
170 | ||
928abaa7 AE |
171 | __u8 amp_status; |
172 | __u32 amp_total_bw; | |
173 | __u32 amp_max_bw; | |
174 | __u32 amp_min_latency; | |
175 | __u32 amp_max_pdu; | |
176 | __u8 amp_type; | |
177 | __u16 amp_pal_cap; | |
178 | __u16 amp_assoc_size; | |
179 | __u32 amp_max_flush_to; | |
180 | __u32 amp_be_flush_to; | |
181 | ||
1e89cffb AE |
182 | __u8 flow_ctl_mode; |
183 | ||
9f61656a JH |
184 | unsigned int auto_accept_delay; |
185 | ||
1da177e4 LT |
186 | unsigned long quirks; |
187 | ||
188 | atomic_t cmd_cnt; | |
189 | unsigned int acl_cnt; | |
190 | unsigned int sco_cnt; | |
6ed58ec5 | 191 | unsigned int le_cnt; |
1da177e4 LT |
192 | |
193 | unsigned int acl_mtu; | |
194 | unsigned int sco_mtu; | |
6ed58ec5 | 195 | unsigned int le_mtu; |
1da177e4 LT |
196 | unsigned int acl_pkts; |
197 | unsigned int sco_pkts; | |
6ed58ec5 | 198 | unsigned int le_pkts; |
1da177e4 | 199 | |
350ee4cf AE |
200 | __u16 block_len; |
201 | __u16 block_mtu; | |
202 | __u16 num_blocks; | |
203 | __u16 block_cnt; | |
204 | ||
1da177e4 LT |
205 | unsigned long acl_last_tx; |
206 | unsigned long sco_last_tx; | |
6ed58ec5 | 207 | unsigned long le_last_tx; |
1da177e4 | 208 | |
f48fd9c8 MH |
209 | struct workqueue_struct *workqueue; |
210 | ||
ab81cbf9 | 211 | struct work_struct power_on; |
3243553f | 212 | struct delayed_work power_off; |
ab81cbf9 | 213 | |
16ab91ab JH |
214 | __u16 discov_timeout; |
215 | struct delayed_work discov_off; | |
216 | ||
7d78525d JH |
217 | struct delayed_work service_cache; |
218 | ||
6bd32326 | 219 | struct timer_list cmd_timer; |
b78752cc MH |
220 | |
221 | struct work_struct rx_work; | |
c347b765 | 222 | struct work_struct cmd_work; |
3eff45ea | 223 | struct work_struct tx_work; |
1da177e4 LT |
224 | |
225 | struct sk_buff_head rx_q; | |
226 | struct sk_buff_head raw_q; | |
227 | struct sk_buff_head cmd_q; | |
228 | ||
229 | struct sk_buff *sent_cmd; | |
cd4c5391 | 230 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
1da177e4 | 231 | |
a6a67efd | 232 | struct mutex req_lock; |
1da177e4 LT |
233 | wait_queue_head_t req_wait_q; |
234 | __u32 req_status; | |
235 | __u32 req_result; | |
a5040efa JH |
236 | |
237 | __u16 init_last_cmd; | |
1da177e4 | 238 | |
2e58ef3e JH |
239 | struct list_head mgmt_pending; |
240 | ||
30883512 | 241 | struct discovery_state discovery; |
1da177e4 | 242 | struct hci_conn_hash conn_hash; |
ea4bd8ba | 243 | struct list_head blacklist; |
1da177e4 | 244 | |
2aeb9a1a JH |
245 | struct list_head uuids; |
246 | ||
55ed8ca1 JH |
247 | struct list_head link_keys; |
248 | ||
b899efaf VCG |
249 | struct list_head long_term_keys; |
250 | ||
2763eda6 SJ |
251 | struct list_head remote_oob_data; |
252 | ||
76c8686f | 253 | struct list_head adv_entries; |
db323f2f | 254 | struct delayed_work adv_work; |
76c8686f | 255 | |
1da177e4 LT |
256 | struct hci_dev_stats stat; |
257 | ||
258 | struct sk_buff_head driver_init; | |
259 | ||
1da177e4 LT |
260 | void *core_data; |
261 | ||
70f23020 | 262 | atomic_t promisc; |
1da177e4 | 263 | |
ca325f69 MH |
264 | struct dentry *debugfs; |
265 | ||
a91f2e39 MH |
266 | struct device *parent; |
267 | struct device dev; | |
1da177e4 | 268 | |
611b30f7 MH |
269 | struct rfkill *rfkill; |
270 | ||
d23264a8 AG |
271 | unsigned long dev_flags; |
272 | ||
7ba8b4be AG |
273 | struct delayed_work le_scan_disable; |
274 | ||
28b75a89 AG |
275 | struct work_struct le_scan; |
276 | struct le_scan_params le_scan_params; | |
277 | ||
1da177e4 LT |
278 | int (*open)(struct hci_dev *hdev); |
279 | int (*close)(struct hci_dev *hdev); | |
280 | int (*flush)(struct hci_dev *hdev); | |
281 | int (*send)(struct sk_buff *skb); | |
1da177e4 LT |
282 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
283 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
284 | }; | |
285 | ||
286 | struct hci_conn { | |
287 | struct list_head list; | |
288 | ||
adc4266d | 289 | atomic_t refcnt; |
adc4266d SJ |
290 | |
291 | bdaddr_t dst; | |
5a9d0a3f | 292 | __u8 dst_type; |
adc4266d SJ |
293 | __u16 handle; |
294 | __u16 state; | |
295 | __u8 mode; | |
296 | __u8 type; | |
a0c808b3 | 297 | bool out; |
adc4266d SJ |
298 | __u8 attempt; |
299 | __u8 dev_class[3]; | |
300 | __u8 features[8]; | |
adc4266d SJ |
301 | __u16 interval; |
302 | __u16 pkt_type; | |
303 | __u16 link_policy; | |
304 | __u32 link_mode; | |
13d39315 | 305 | __u8 key_type; |
adc4266d SJ |
306 | __u8 auth_type; |
307 | __u8 sec_level; | |
308 | __u8 pending_sec_level; | |
309 | __u8 pin_length; | |
726b4ffc | 310 | __u8 enc_key_size; |
adc4266d | 311 | __u8 io_capability; |
adc4266d | 312 | __u16 disc_timeout; |
51a8efd7 | 313 | unsigned long flags; |
04837f64 | 314 | |
03b555e1 | 315 | __u8 remote_cap; |
03b555e1 JH |
316 | __u8 remote_auth; |
317 | ||
adc4266d | 318 | unsigned int sent; |
04837f64 | 319 | |
1da177e4 | 320 | struct sk_buff_head data_q; |
2c33c06a | 321 | struct list_head chan_list; |
1da177e4 | 322 | |
19c40e3b | 323 | struct delayed_work disc_work; |
04837f64 | 324 | struct timer_list idle_timer; |
9f61656a | 325 | struct timer_list auto_accept_timer; |
04837f64 | 326 | |
b219e3ac | 327 | struct device dev; |
9eba32b8 | 328 | atomic_t devref; |
b219e3ac | 329 | |
1da177e4 LT |
330 | struct hci_dev *hdev; |
331 | void *l2cap_data; | |
332 | void *sco_data; | |
2b64d153 | 333 | void *smp_conn; |
1da177e4 LT |
334 | |
335 | struct hci_conn *link; | |
e9a416b5 JH |
336 | |
337 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
338 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
339 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
340 | }; |
341 | ||
73d80deb LAD |
342 | struct hci_chan { |
343 | struct list_head list; | |
344 | ||
345 | struct hci_conn *conn; | |
346 | struct sk_buff_head data_q; | |
347 | unsigned int sent; | |
348 | }; | |
349 | ||
1da177e4 LT |
350 | extern struct list_head hci_dev_list; |
351 | extern struct list_head hci_cb_list; | |
352 | extern rwlock_t hci_dev_list_lock; | |
353 | extern rwlock_t hci_cb_list_lock; | |
354 | ||
686ebf28 UF |
355 | /* ----- HCI interface to upper protocols ----- */ |
356 | extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
357 | extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status); | |
358 | extern int l2cap_disconn_ind(struct hci_conn *hcon); | |
359 | extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); | |
360 | extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); | |
361 | extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); | |
362 | ||
363 | extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
364 | extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status); | |
365 | extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); | |
366 | extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); | |
367 | ||
1da177e4 | 368 | /* ----- Inquiry cache ----- */ |
70f23020 AE |
369 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
370 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 | 371 | |
30883512 | 372 | static inline void discovery_init(struct hci_dev *hdev) |
1da177e4 | 373 | { |
ff9ef578 | 374 | hdev->discovery.state = DISCOVERY_STOPPED; |
30883512 JH |
375 | INIT_LIST_HEAD(&hdev->discovery.all); |
376 | INIT_LIST_HEAD(&hdev->discovery.unknown); | |
377 | INIT_LIST_HEAD(&hdev->discovery.resolve); | |
1da177e4 LT |
378 | } |
379 | ||
30dc78e1 JH |
380 | bool hci_discovery_active(struct hci_dev *hdev); |
381 | ||
ff9ef578 JH |
382 | void hci_discovery_set_state(struct hci_dev *hdev, int state); |
383 | ||
1da177e4 LT |
384 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
385 | { | |
30883512 | 386 | return list_empty(&hdev->discovery.all); |
1da177e4 LT |
387 | } |
388 | ||
389 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
390 | { | |
30883512 | 391 | struct discovery_state *c = &hdev->discovery; |
1da177e4 LT |
392 | return jiffies - c->timestamp; |
393 | } | |
394 | ||
395 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
396 | { | |
397 | return jiffies - e->timestamp; | |
398 | } | |
399 | ||
5a9d0a3f WR |
400 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
401 | bdaddr_t *bdaddr); | |
561aafbc JH |
402 | struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, |
403 | bdaddr_t *bdaddr); | |
30dc78e1 JH |
404 | struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, |
405 | bdaddr_t *bdaddr, | |
406 | int state); | |
a3d4e20a JH |
407 | void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, |
408 | struct inquiry_entry *ie); | |
3175405b | 409 | bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, |
388fc8fa | 410 | bool name_known, bool *ssp); |
1da177e4 LT |
411 | |
412 | /* ----- HCI Connections ----- */ | |
413 | enum { | |
414 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 415 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 416 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
417 | HCI_CONN_RSWITCH_PEND, |
418 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 419 | HCI_CONN_SCO_SETUP_PEND, |
d26a2345 | 420 | HCI_CONN_LE_SMP_PEND, |
b644ba33 | 421 | HCI_CONN_MGMT_CONNECTED, |
58a681ef JH |
422 | HCI_CONN_SSP_ENABLED, |
423 | HCI_CONN_POWER_SAVE, | |
424 | HCI_CONN_REMOTE_OOB, | |
1da177e4 LT |
425 | }; |
426 | ||
aa64a8b5 JH |
427 | static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) |
428 | { | |
429 | struct hci_dev *hdev = conn->hdev; | |
430 | return (test_bit(HCI_SSP_ENABLED, &hdev->flags) && | |
431 | test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); | |
432 | } | |
433 | ||
1da177e4 LT |
434 | static inline void hci_conn_hash_init(struct hci_dev *hdev) |
435 | { | |
436 | struct hci_conn_hash *h = &hdev->conn_hash; | |
437 | INIT_LIST_HEAD(&h->list); | |
1da177e4 LT |
438 | h->acl_num = 0; |
439 | h->sco_num = 0; | |
dc8ed672 | 440 | h->le_num = 0; |
1da177e4 LT |
441 | } |
442 | ||
443 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) | |
444 | { | |
445 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 | 446 | list_add_rcu(&c->list, &h->list); |
fcd89c09 VT |
447 | switch (c->type) { |
448 | case ACL_LINK: | |
1da177e4 | 449 | h->acl_num++; |
fcd89c09 VT |
450 | break; |
451 | case LE_LINK: | |
452 | h->le_num++; | |
453 | break; | |
454 | case SCO_LINK: | |
455 | case ESCO_LINK: | |
1da177e4 | 456 | h->sco_num++; |
fcd89c09 VT |
457 | break; |
458 | } | |
1da177e4 LT |
459 | } |
460 | ||
461 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
462 | { | |
463 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 GP |
464 | |
465 | list_del_rcu(&c->list); | |
466 | synchronize_rcu(); | |
467 | ||
fcd89c09 VT |
468 | switch (c->type) { |
469 | case ACL_LINK: | |
1da177e4 | 470 | h->acl_num--; |
fcd89c09 VT |
471 | break; |
472 | case LE_LINK: | |
473 | h->le_num--; | |
474 | break; | |
475 | case SCO_LINK: | |
476 | case ESCO_LINK: | |
1da177e4 | 477 | h->sco_num--; |
fcd89c09 VT |
478 | break; |
479 | } | |
1da177e4 LT |
480 | } |
481 | ||
52087a79 LAD |
482 | static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) |
483 | { | |
484 | struct hci_conn_hash *h = &hdev->conn_hash; | |
485 | switch (type) { | |
486 | case ACL_LINK: | |
487 | return h->acl_num; | |
488 | case LE_LINK: | |
489 | return h->le_num; | |
490 | case SCO_LINK: | |
491 | case ESCO_LINK: | |
492 | return h->sco_num; | |
493 | default: | |
494 | return 0; | |
495 | } | |
496 | } | |
497 | ||
1da177e4 | 498 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, |
adc4266d | 499 | __u16 handle) |
1da177e4 LT |
500 | { |
501 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
502 | struct hci_conn *c; |
503 | ||
bf4c6325 GP |
504 | rcu_read_lock(); |
505 | ||
506 | list_for_each_entry_rcu(c, &h->list, list) { | |
507 | if (c->handle == handle) { | |
508 | rcu_read_unlock(); | |
1da177e4 | 509 | return c; |
bf4c6325 | 510 | } |
1da177e4 | 511 | } |
bf4c6325 GP |
512 | rcu_read_unlock(); |
513 | ||
1da177e4 LT |
514 | return NULL; |
515 | } | |
516 | ||
517 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 518 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
519 | { |
520 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
521 | struct hci_conn *c; |
522 | ||
bf4c6325 GP |
523 | rcu_read_lock(); |
524 | ||
525 | list_for_each_entry_rcu(c, &h->list, list) { | |
526 | if (c->type == type && !bacmp(&c->dst, ba)) { | |
527 | rcu_read_unlock(); | |
1da177e4 | 528 | return c; |
bf4c6325 | 529 | } |
1da177e4 | 530 | } |
bf4c6325 GP |
531 | |
532 | rcu_read_unlock(); | |
533 | ||
1da177e4 LT |
534 | return NULL; |
535 | } | |
536 | ||
4c67bc74 | 537 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 538 | __u8 type, __u16 state) |
4c67bc74 MH |
539 | { |
540 | struct hci_conn_hash *h = &hdev->conn_hash; | |
4c67bc74 MH |
541 | struct hci_conn *c; |
542 | ||
bf4c6325 GP |
543 | rcu_read_lock(); |
544 | ||
545 | list_for_each_entry_rcu(c, &h->list, list) { | |
546 | if (c->type == type && c->state == state) { | |
547 | rcu_read_unlock(); | |
4c67bc74 | 548 | return c; |
bf4c6325 | 549 | } |
4c67bc74 | 550 | } |
73d80deb | 551 | |
bf4c6325 | 552 | rcu_read_unlock(); |
73d80deb | 553 | |
4c67bc74 | 554 | return NULL; |
73d80deb LAD |
555 | } |
556 | ||
4c67bc74 | 557 | void hci_acl_connect(struct hci_conn *conn); |
1da177e4 LT |
558 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
559 | void hci_add_sco(struct hci_conn *conn, __u16 handle); | |
b6a0dc82 | 560 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 561 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
562 | |
563 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
564 | int hci_conn_del(struct hci_conn *conn); |
565 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
566 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 567 | |
73d80deb LAD |
568 | struct hci_chan *hci_chan_create(struct hci_conn *conn); |
569 | int hci_chan_del(struct hci_chan *chan); | |
2c33c06a | 570 | void hci_chan_list_flush(struct hci_conn *conn); |
73d80deb | 571 | |
5a9d0a3f WR |
572 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
573 | __u8 sec_level, __u8 auth_type); | |
e7c29cb1 | 574 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 575 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
0684e5f9 | 576 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 577 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 578 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 579 | |
14b12d0b | 580 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
1da177e4 | 581 | |
9eba32b8 MH |
582 | void hci_conn_hold_device(struct hci_conn *conn); |
583 | void hci_conn_put_device(struct hci_conn *conn); | |
584 | ||
1da177e4 LT |
585 | static inline void hci_conn_hold(struct hci_conn *conn) |
586 | { | |
587 | atomic_inc(&conn->refcnt); | |
2f304d1e | 588 | cancel_delayed_work(&conn->disc_work); |
1da177e4 LT |
589 | } |
590 | ||
591 | static inline void hci_conn_put(struct hci_conn *conn) | |
592 | { | |
593 | if (atomic_dec_and_test(&conn->refcnt)) { | |
04837f64 | 594 | unsigned long timeo; |
454d48ff | 595 | if (conn->type == ACL_LINK || conn->type == LE_LINK) { |
04837f64 | 596 | del_timer(&conn->idle_timer); |
6ac59344 | 597 | if (conn->state == BT_CONNECTED) { |
052b30b0 | 598 | timeo = msecs_to_jiffies(conn->disc_timeout); |
6ac59344 | 599 | if (!conn->out) |
052b30b0 | 600 | timeo *= 2; |
5a9d0a3f | 601 | } else { |
6ac59344 | 602 | timeo = msecs_to_jiffies(10); |
5a9d0a3f WR |
603 | } |
604 | } else { | |
04837f64 | 605 | timeo = msecs_to_jiffies(10); |
5a9d0a3f | 606 | } |
2f304d1e | 607 | cancel_delayed_work(&conn->disc_work); |
19c40e3b | 608 | queue_delayed_work(conn->hdev->workqueue, |
1931782b | 609 | &conn->disc_work, timeo); |
1da177e4 LT |
610 | } |
611 | } | |
612 | ||
1da177e4 | 613 | /* ----- HCI Devices ----- */ |
dc946bd8 | 614 | static inline void hci_dev_put(struct hci_dev *d) |
1da177e4 | 615 | { |
4c724c71 | 616 | put_device(&d->dev); |
1da177e4 LT |
617 | } |
618 | ||
dc946bd8 | 619 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
1da177e4 | 620 | { |
4c724c71 | 621 | get_device(&d->dev); |
1da177e4 LT |
622 | return d; |
623 | } | |
624 | ||
09fd0de5 GP |
625 | #define hci_dev_lock(d) mutex_lock(&d->lock) |
626 | #define hci_dev_unlock(d) mutex_unlock(&d->lock) | |
1da177e4 | 627 | |
aa2b86d7 | 628 | #define to_hci_dev(d) container_of(d, struct hci_dev, dev) |
3dc07322 | 629 | #define to_hci_conn(c) container_of(c, struct hci_conn, dev) |
aa2b86d7 | 630 | |
155961e8 DH |
631 | static inline void *hci_get_drvdata(struct hci_dev *hdev) |
632 | { | |
633 | return dev_get_drvdata(&hdev->dev); | |
634 | } | |
635 | ||
636 | static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) | |
637 | { | |
638 | dev_set_drvdata(&hdev->dev, data); | |
639 | } | |
640 | ||
1da177e4 LT |
641 | struct hci_dev *hci_dev_get(int index); |
642 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
643 | ||
644 | struct hci_dev *hci_alloc_dev(void); | |
645 | void hci_free_dev(struct hci_dev *hdev); | |
646 | int hci_register_dev(struct hci_dev *hdev); | |
59735631 | 647 | void hci_unregister_dev(struct hci_dev *hdev); |
1da177e4 LT |
648 | int hci_suspend_dev(struct hci_dev *hdev); |
649 | int hci_resume_dev(struct hci_dev *hdev); | |
650 | int hci_dev_open(__u16 dev); | |
651 | int hci_dev_close(__u16 dev); | |
652 | int hci_dev_reset(__u16 dev); | |
653 | int hci_dev_reset_stat(__u16 dev); | |
654 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
655 | int hci_get_dev_list(void __user *arg); | |
656 | int hci_get_dev_info(void __user *arg); | |
657 | int hci_get_conn_list(void __user *arg); | |
658 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 659 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
660 | int hci_inquiry(void __user *arg); |
661 | ||
f0358568 JH |
662 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr); |
663 | int hci_blacklist_clear(struct hci_dev *hdev); | |
88c1fe4b JH |
664 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
665 | int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
f0358568 | 666 | |
2aeb9a1a JH |
667 | int hci_uuids_clear(struct hci_dev *hdev); |
668 | ||
55ed8ca1 JH |
669 | int hci_link_keys_clear(struct hci_dev *hdev); |
670 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
d25e28ab JH |
671 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
672 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); | |
c9839a11 VCG |
673 | struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); |
674 | int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, | |
675 | int new_key, u8 authenticated, u8 tk[16], | |
676 | u8 enc_size, u16 ediv, u8 rand[8]); | |
677 | struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
678 | u8 addr_type); | |
b899efaf | 679 | int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); |
b899efaf | 680 | int hci_smp_ltks_clear(struct hci_dev *hdev); |
55ed8ca1 JH |
681 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
682 | ||
2763eda6 SJ |
683 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
684 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, | |
685 | bdaddr_t *bdaddr); | |
686 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, | |
687 | u8 *randomizer); | |
688 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
689 | ||
35815085 | 690 | #define ADV_CLEAR_TIMEOUT (3*60*HZ) /* Three minutes */ |
76c8686f AG |
691 | int hci_adv_entries_clear(struct hci_dev *hdev); |
692 | struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
693 | int hci_add_adv_entry(struct hci_dev *hdev, | |
694 | struct hci_ev_le_advertising_info *ev); | |
695 | ||
ab81cbf9 JH |
696 | void hci_del_off_timer(struct hci_dev *hdev); |
697 | ||
1da177e4 LT |
698 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
699 | ||
76bca880 | 700 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 | 701 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 702 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 703 | |
0ac7e700 | 704 | void hci_init_sysfs(struct hci_dev *hdev); |
ce242970 DH |
705 | int hci_add_sysfs(struct hci_dev *hdev); |
706 | void hci_del_sysfs(struct hci_dev *hdev); | |
a67e899c | 707 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
708 | void hci_conn_add_sysfs(struct hci_conn *conn); |
709 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 710 | |
a91f2e39 | 711 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev)) |
1da177e4 LT |
712 | |
713 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
714 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
715 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
716 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
717 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 718 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 719 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
e702112f | 720 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
6ed58ec5 | 721 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
5e0452c0 | 722 | #define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR)) |
1da177e4 | 723 | |
eead27da | 724 | /* ----- Extended LMP capabilities ----- */ |
59e29406 | 725 | #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) |
eead27da | 726 | |
1da177e4 | 727 | /* ----- HCI protocols ----- */ |
5a9d0a3f WR |
728 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
729 | __u8 type) | |
1da177e4 | 730 | { |
686ebf28 UF |
731 | switch (type) { |
732 | case ACL_LINK: | |
733 | return l2cap_connect_ind(hdev, bdaddr); | |
1da177e4 | 734 | |
686ebf28 UF |
735 | case SCO_LINK: |
736 | case ESCO_LINK: | |
737 | return sco_connect_ind(hdev, bdaddr); | |
1da177e4 | 738 | |
686ebf28 UF |
739 | default: |
740 | BT_ERR("unknown link type %d", type); | |
741 | return -EINVAL; | |
742 | } | |
1da177e4 LT |
743 | } |
744 | ||
745 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
746 | { | |
686ebf28 UF |
747 | switch (conn->type) { |
748 | case ACL_LINK: | |
749 | case LE_LINK: | |
750 | l2cap_connect_cfm(conn, status); | |
751 | break; | |
1da177e4 | 752 | |
686ebf28 UF |
753 | case SCO_LINK: |
754 | case ESCO_LINK: | |
755 | sco_connect_cfm(conn, status); | |
756 | break; | |
1da177e4 | 757 | |
686ebf28 UF |
758 | default: |
759 | BT_ERR("unknown link type %d", conn->type); | |
760 | break; | |
761 | } | |
e9a416b5 JH |
762 | |
763 | if (conn->connect_cfm_cb) | |
764 | conn->connect_cfm_cb(conn, status); | |
1da177e4 LT |
765 | } |
766 | ||
2950f21a | 767 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 | 768 | { |
686ebf28 UF |
769 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
770 | return HCI_ERROR_REMOTE_USER_TERM; | |
1da177e4 | 771 | |
686ebf28 | 772 | return l2cap_disconn_ind(conn); |
2950f21a MH |
773 | } |
774 | ||
775 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
776 | { | |
686ebf28 UF |
777 | switch (conn->type) { |
778 | case ACL_LINK: | |
779 | case LE_LINK: | |
780 | l2cap_disconn_cfm(conn, reason); | |
781 | break; | |
2950f21a | 782 | |
686ebf28 UF |
783 | case SCO_LINK: |
784 | case ESCO_LINK: | |
785 | sco_disconn_cfm(conn, reason); | |
786 | break; | |
2950f21a | 787 | |
686ebf28 UF |
788 | default: |
789 | BT_ERR("unknown link type %d", conn->type); | |
790 | break; | |
791 | } | |
e9a416b5 JH |
792 | |
793 | if (conn->disconn_cfm_cb) | |
794 | conn->disconn_cfm_cb(conn, reason); | |
1da177e4 LT |
795 | } |
796 | ||
797 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
798 | { | |
8c1b2355 MH |
799 | __u8 encrypt; |
800 | ||
686ebf28 UF |
801 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
802 | return; | |
803 | ||
51a8efd7 | 804 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
805 | return; |
806 | ||
807 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
686ebf28 | 808 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
809 | |
810 | if (conn->security_cfm_cb) | |
811 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
812 | } |
813 | ||
5a9d0a3f WR |
814 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
815 | __u8 encrypt) | |
1da177e4 | 816 | { |
686ebf28 UF |
817 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
818 | return; | |
1da177e4 | 819 | |
686ebf28 | 820 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
821 | |
822 | if (conn->security_cfm_cb) | |
823 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
824 | } |
825 | ||
1da177e4 LT |
826 | /* ----- HCI callbacks ----- */ |
827 | struct hci_cb { | |
828 | struct list_head list; | |
829 | ||
830 | char *name; | |
831 | ||
5a9d0a3f WR |
832 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
833 | __u8 encrypt); | |
1da177e4 LT |
834 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
835 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
836 | }; | |
837 | ||
838 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
839 | { | |
840 | struct list_head *p; | |
8c1b2355 | 841 | __u8 encrypt; |
1da177e4 LT |
842 | |
843 | hci_proto_auth_cfm(conn, status); | |
844 | ||
51a8efd7 | 845 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
846 | return; |
847 | ||
848 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
849 | ||
f20d09d5 | 850 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
851 | list_for_each(p, &hci_cb_list) { |
852 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
853 | if (cb->security_cfm) |
854 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 855 | } |
f20d09d5 | 856 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
857 | } |
858 | ||
5a9d0a3f WR |
859 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
860 | __u8 encrypt) | |
1da177e4 LT |
861 | { |
862 | struct list_head *p; | |
863 | ||
435fef20 MH |
864 | if (conn->sec_level == BT_SECURITY_SDP) |
865 | conn->sec_level = BT_SECURITY_LOW; | |
866 | ||
88167aed VCG |
867 | if (conn->pending_sec_level > conn->sec_level) |
868 | conn->sec_level = conn->pending_sec_level; | |
869 | ||
9719f8af | 870 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 | 871 | |
f20d09d5 | 872 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
873 | list_for_each(p, &hci_cb_list) { |
874 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
875 | if (cb->security_cfm) |
876 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 877 | } |
f20d09d5 | 878 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
879 | } |
880 | ||
881 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
882 | { | |
883 | struct list_head *p; | |
884 | ||
f20d09d5 | 885 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
886 | list_for_each(p, &hci_cb_list) { |
887 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
888 | if (cb->key_change_cfm) | |
889 | cb->key_change_cfm(conn, status); | |
890 | } | |
f20d09d5 | 891 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
892 | } |
893 | ||
5a9d0a3f WR |
894 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
895 | __u8 role) | |
1da177e4 LT |
896 | { |
897 | struct list_head *p; | |
898 | ||
f20d09d5 | 899 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
900 | list_for_each(p, &hci_cb_list) { |
901 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
902 | if (cb->role_switch_cfm) | |
903 | cb->role_switch_cfm(conn, status, role); | |
904 | } | |
f20d09d5 | 905 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
906 | } |
907 | ||
6759a675 JH |
908 | static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) |
909 | { | |
910 | u8 field_len; | |
911 | size_t parsed; | |
912 | ||
913 | for (parsed = 0; parsed < data_len - 1; parsed += field_len) { | |
914 | field_len = data[0]; | |
915 | ||
916 | if (field_len == 0) | |
917 | break; | |
918 | ||
919 | parsed += field_len + 1; | |
920 | ||
921 | if (parsed > data_len) | |
922 | break; | |
923 | ||
924 | if (data[1] == type) | |
925 | return true; | |
926 | ||
927 | data += field_len + 1; | |
928 | } | |
929 | ||
930 | return false; | |
931 | } | |
932 | ||
1dc06093 JH |
933 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
934 | u8 data_len) | |
935 | { | |
936 | eir[eir_len++] = sizeof(type) + data_len; | |
937 | eir[eir_len++] = type; | |
938 | memcpy(&eir[eir_len], data, data_len); | |
939 | eir_len += data_len; | |
940 | ||
941 | return eir_len; | |
942 | } | |
943 | ||
1da177e4 LT |
944 | int hci_register_cb(struct hci_cb *hcb); |
945 | int hci_unregister_cb(struct hci_cb *hcb); | |
946 | ||
a9de9248 | 947 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
73d80deb | 948 | void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); |
0d861d8b | 949 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 950 | |
a9de9248 | 951 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 | 952 | |
1da177e4 | 953 | /* ----- HCI Sockets ----- */ |
470fe1b5 MH |
954 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); |
955 | void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); | |
cd82e61c | 956 | void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); |
1da177e4 | 957 | |
040030ef MH |
958 | void hci_sock_dev_event(struct hci_dev *hdev, int event); |
959 | ||
0381101f | 960 | /* Management interface */ |
f39799f5 AG |
961 | #define MGMT_ADDR_BREDR 0x00 |
962 | #define MGMT_ADDR_LE_PUBLIC 0x01 | |
963 | #define MGMT_ADDR_LE_RANDOM 0x02 | |
964 | #define MGMT_ADDR_INVALID 0xff | |
965 | ||
966 | #define DISCOV_TYPE_BREDR (BIT(MGMT_ADDR_BREDR)) | |
967 | #define DISCOV_TYPE_LE (BIT(MGMT_ADDR_LE_PUBLIC) | \ | |
968 | BIT(MGMT_ADDR_LE_RANDOM)) | |
969 | #define DISCOV_TYPE_INTERLEAVED (BIT(MGMT_ADDR_BREDR) | \ | |
970 | BIT(MGMT_ADDR_LE_PUBLIC) | \ | |
971 | BIT(MGMT_ADDR_LE_RANDOM)) | |
972 | ||
0381101f | 973 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); |
744cf19e JH |
974 | int mgmt_index_added(struct hci_dev *hdev); |
975 | int mgmt_index_removed(struct hci_dev *hdev); | |
976 | int mgmt_powered(struct hci_dev *hdev, u8 powered); | |
977 | int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); | |
978 | int mgmt_connectable(struct hci_dev *hdev, u8 connectable); | |
979 | int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); | |
980 | int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, | |
981 | u8 persistent); | |
afc747a6 | 982 | int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
08c79b61 JH |
983 | u8 addr_type, u32 flags, u8 *name, |
984 | u8 name_len, u8 *dev_class); | |
afc747a6 JH |
985 | int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
986 | u8 link_type, u8 addr_type); | |
88c3df13 JH |
987 | int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
988 | u8 link_type, u8 addr_type, u8 status); | |
48264f06 JH |
989 | int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
990 | u8 addr_type, u8 status); | |
744cf19e JH |
991 | int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); |
992 | int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c35938b2 | 993 | u8 status); |
744cf19e JH |
994 | int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
995 | u8 status); | |
996 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
272d90df JH |
997 | u8 link_type, u8 addr_type, __le32 value, |
998 | u8 confirm_hint); | |
744cf19e | 999 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
272d90df JH |
1000 | u8 link_type, u8 addr_type, u8 status); |
1001 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
1002 | u8 link_type, u8 addr_type, u8 status); | |
1003 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
1004 | u8 link_type, u8 addr_type); | |
604086b7 | 1005 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
272d90df JH |
1006 | u8 link_type, u8 addr_type, u8 status); |
1007 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
1008 | u8 link_type, u8 addr_type, u8 status); | |
bab73cb6 JH |
1009 | int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1010 | u8 addr_type, u8 status); | |
33ef95ed | 1011 | int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); |
c0ecddc2 | 1012 | int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
7f9a903c MH |
1013 | int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
1014 | u8 status); | |
744cf19e JH |
1015 | int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); |
1016 | int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, | |
1017 | u8 *randomizer, u8 status); | |
06199cf8 | 1018 | int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
48264f06 | 1019 | int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
561aafbc | 1020 | u8 addr_type, u8 *dev_class, s8 rssi, |
388fc8fa JH |
1021 | u8 cfm_name, u8 ssp, u8 *eir, |
1022 | u16 eir_len); | |
b644ba33 JH |
1023 | int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1024 | u8 addr_type, s8 rssi, u8 *name, u8 name_len); | |
7a135109 | 1025 | int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); |
e6d465cb | 1026 | int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); |
744cf19e | 1027 | int mgmt_discovering(struct hci_dev *hdev, u8 discovering); |
5e0452c0 | 1028 | int mgmt_interleaved_discovery(struct hci_dev *hdev); |
88c1fe4b JH |
1029 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
1030 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
0381101f | 1031 | |
346af67b VCG |
1032 | int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); |
1033 | ||
1da177e4 LT |
1034 | /* HCI info for socket */ |
1035 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
1036 | ||
1037 | struct hci_pinfo { | |
1038 | struct bt_sock bt; | |
1039 | struct hci_dev *hdev; | |
1040 | struct hci_filter filter; | |
1041 | __u32 cmsg_mask; | |
c02178d2 | 1042 | unsigned short channel; |
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 */ |