]>
Commit | Line | Data |
---|---|---|
04fafe4e | 1 | /* |
1da177e4 | 2 | BlueZ - Bluetooth protocol stack for Linux |
2d0a0346 | 3 | Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
1da177e4 LT |
4 | |
5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
04fafe4e RS |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
1da177e4 LT |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
19 | ||
04fafe4e RS |
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
22 | SOFTWARE IS DISCLAIMED. |
23 | */ | |
24 | ||
25 | #ifndef __HCI_CORE_H | |
26 | #define __HCI_CORE_H | |
27 | ||
1da177e4 LT |
28 | #include <net/bluetooth/hci.h> |
29 | ||
5e59b791 LAD |
30 | /* HCI priority */ |
31 | #define HCI_PRIO_MAX 7 | |
32 | ||
1da177e4 | 33 | /* HCI Core structures */ |
1da177e4 LT |
34 | struct inquiry_data { |
35 | bdaddr_t bdaddr; | |
36 | __u8 pscan_rep_mode; | |
37 | __u8 pscan_period_mode; | |
38 | __u8 pscan_mode; | |
39 | __u8 dev_class[3]; | |
1ebb9252 | 40 | __le16 clock_offset; |
1da177e4 | 41 | __s8 rssi; |
41a96212 | 42 | __u8 ssp_mode; |
1da177e4 LT |
43 | }; |
44 | ||
45 | struct inquiry_entry { | |
561aafbc JH |
46 | struct list_head all; /* inq_cache.all */ |
47 | struct list_head list; /* unknown or resolve */ | |
48 | enum { | |
49 | NAME_NOT_KNOWN, | |
50 | NAME_NEEDED, | |
51 | NAME_PENDING, | |
52 | NAME_KNOWN, | |
53 | } name_state; | |
1da177e4 LT |
54 | __u32 timestamp; |
55 | struct inquiry_data data; | |
56 | }; | |
57 | ||
30883512 | 58 | struct discovery_state { |
f64b993f | 59 | int type; |
ff9ef578 JH |
60 | enum { |
61 | DISCOVERY_STOPPED, | |
62 | DISCOVERY_STARTING, | |
343f935b | 63 | DISCOVERY_FINDING, |
30dc78e1 | 64 | DISCOVERY_RESOLVING, |
ff9ef578 JH |
65 | DISCOVERY_STOPPING, |
66 | } state; | |
c3c7ea65 | 67 | struct list_head all; /* All devices found during inquiry */ |
f64b993f GP |
68 | struct list_head unknown; /* Name state not known */ |
69 | struct list_head resolve; /* Name needs to be resolved */ | |
70 | __u32 timestamp; | |
1da177e4 LT |
71 | }; |
72 | ||
73 | struct hci_conn_hash { | |
74 | struct list_head list; | |
1da177e4 | 75 | unsigned int acl_num; |
bd1eb66b | 76 | unsigned int amp_num; |
1da177e4 | 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; | |
9b3b4460 | 108 | u8 val[HCI_LINK_KEY_SIZE]; |
55ed8ca1 JH |
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 | ||
7ba8b4be AG |
119 | struct le_scan_params { |
120 | u8 type; | |
121 | u16 interval; | |
122 | u16 window; | |
28b75a89 | 123 | int timeout; |
7ba8b4be AG |
124 | }; |
125 | ||
490c5bab JH |
126 | #define HCI_MAX_SHORT_NAME_LENGTH 10 |
127 | ||
903e4541 AE |
128 | struct amp_assoc { |
129 | __u16 len; | |
130 | __u16 offset; | |
93c284ee AE |
131 | __u16 rem_len; |
132 | __u16 len_so_far; | |
903e4541 AE |
133 | __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; |
134 | }; | |
135 | ||
cd4c5391 | 136 | #define NUM_REASSEMBLY 4 |
1da177e4 LT |
137 | struct hci_dev { |
138 | struct list_head list; | |
09fd0de5 | 139 | struct mutex lock; |
1da177e4 LT |
140 | |
141 | char name[8]; | |
142 | unsigned long flags; | |
143 | __u16 id; | |
c13854ce | 144 | __u8 bus; |
943da25d | 145 | __u8 dev_type; |
1da177e4 | 146 | bdaddr_t bdaddr; |
1f6c6378 | 147 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
490c5bab | 148 | __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; |
80a1e1db | 149 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
a9de9248 | 150 | __u8 dev_class[3]; |
1aff6f09 JH |
151 | __u8 major_class; |
152 | __u8 minor_class; | |
1da177e4 | 153 | __u8 features[8]; |
59e29406 | 154 | __u8 host_features[8]; |
a9de9248 | 155 | __u8 commands[64]; |
1143e5a6 MH |
156 | __u8 hci_ver; |
157 | __u16 hci_rev; | |
d5859e22 | 158 | __u8 lmp_ver; |
1143e5a6 | 159 | __u16 manufacturer; |
7d69230c | 160 | __u16 lmp_subver; |
1da177e4 | 161 | __u16 voice_setting; |
17fa4b9d | 162 | __u8 io_capability; |
91c4e9b1 | 163 | __s8 inq_tx_power; |
2b9be137 MH |
164 | __u16 devid_source; |
165 | __u16 devid_vendor; | |
166 | __u16 devid_product; | |
167 | __u16 devid_version; | |
1da177e4 LT |
168 | |
169 | __u16 pkt_type; | |
5b7f9909 | 170 | __u16 esco_type; |
1da177e4 LT |
171 | __u16 link_policy; |
172 | __u16 link_mode; | |
173 | ||
04837f64 MH |
174 | __u32 idle_timeout; |
175 | __u16 sniff_min_interval; | |
176 | __u16 sniff_max_interval; | |
177 | ||
928abaa7 AE |
178 | __u8 amp_status; |
179 | __u32 amp_total_bw; | |
180 | __u32 amp_max_bw; | |
181 | __u32 amp_min_latency; | |
182 | __u32 amp_max_pdu; | |
183 | __u8 amp_type; | |
184 | __u16 amp_pal_cap; | |
185 | __u16 amp_assoc_size; | |
186 | __u32 amp_max_flush_to; | |
187 | __u32 amp_be_flush_to; | |
188 | ||
903e4541 AE |
189 | struct amp_assoc loc_assoc; |
190 | ||
1e89cffb AE |
191 | __u8 flow_ctl_mode; |
192 | ||
9f61656a JH |
193 | unsigned int auto_accept_delay; |
194 | ||
1da177e4 LT |
195 | unsigned long quirks; |
196 | ||
197 | atomic_t cmd_cnt; | |
198 | unsigned int acl_cnt; | |
199 | unsigned int sco_cnt; | |
6ed58ec5 | 200 | unsigned int le_cnt; |
1da177e4 LT |
201 | |
202 | unsigned int acl_mtu; | |
203 | unsigned int sco_mtu; | |
6ed58ec5 | 204 | unsigned int le_mtu; |
1da177e4 LT |
205 | unsigned int acl_pkts; |
206 | unsigned int sco_pkts; | |
6ed58ec5 | 207 | unsigned int le_pkts; |
1da177e4 | 208 | |
350ee4cf AE |
209 | __u16 block_len; |
210 | __u16 block_mtu; | |
211 | __u16 num_blocks; | |
212 | __u16 block_cnt; | |
213 | ||
1da177e4 LT |
214 | unsigned long acl_last_tx; |
215 | unsigned long sco_last_tx; | |
6ed58ec5 | 216 | unsigned long le_last_tx; |
1da177e4 | 217 | |
f48fd9c8 MH |
218 | struct workqueue_struct *workqueue; |
219 | ||
ab81cbf9 | 220 | struct work_struct power_on; |
3243553f | 221 | struct delayed_work power_off; |
ab81cbf9 | 222 | |
16ab91ab JH |
223 | __u16 discov_timeout; |
224 | struct delayed_work discov_off; | |
225 | ||
7d78525d JH |
226 | struct delayed_work service_cache; |
227 | ||
6bd32326 | 228 | struct timer_list cmd_timer; |
b78752cc MH |
229 | |
230 | struct work_struct rx_work; | |
c347b765 | 231 | struct work_struct cmd_work; |
3eff45ea | 232 | struct work_struct tx_work; |
1da177e4 LT |
233 | |
234 | struct sk_buff_head rx_q; | |
235 | struct sk_buff_head raw_q; | |
236 | struct sk_buff_head cmd_q; | |
237 | ||
238 | struct sk_buff *sent_cmd; | |
cd4c5391 | 239 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
1da177e4 | 240 | |
a6a67efd | 241 | struct mutex req_lock; |
1da177e4 LT |
242 | wait_queue_head_t req_wait_q; |
243 | __u32 req_status; | |
244 | __u32 req_result; | |
a5040efa JH |
245 | |
246 | __u16 init_last_cmd; | |
1da177e4 | 247 | |
2e58ef3e JH |
248 | struct list_head mgmt_pending; |
249 | ||
30883512 | 250 | struct discovery_state discovery; |
1da177e4 | 251 | struct hci_conn_hash conn_hash; |
ea4bd8ba | 252 | struct list_head blacklist; |
1da177e4 | 253 | |
2aeb9a1a JH |
254 | struct list_head uuids; |
255 | ||
55ed8ca1 JH |
256 | struct list_head link_keys; |
257 | ||
b899efaf VCG |
258 | struct list_head long_term_keys; |
259 | ||
2763eda6 SJ |
260 | struct list_head remote_oob_data; |
261 | ||
1da177e4 LT |
262 | struct hci_dev_stats stat; |
263 | ||
264 | struct sk_buff_head driver_init; | |
265 | ||
70f23020 | 266 | atomic_t promisc; |
1da177e4 | 267 | |
ca325f69 MH |
268 | struct dentry *debugfs; |
269 | ||
a91f2e39 | 270 | struct device dev; |
1da177e4 | 271 | |
611b30f7 MH |
272 | struct rfkill *rfkill; |
273 | ||
d23264a8 AG |
274 | unsigned long dev_flags; |
275 | ||
7ba8b4be AG |
276 | struct delayed_work le_scan_disable; |
277 | ||
28b75a89 AG |
278 | struct work_struct le_scan; |
279 | struct le_scan_params le_scan_params; | |
280 | ||
1da177e4 LT |
281 | int (*open)(struct hci_dev *hdev); |
282 | int (*close)(struct hci_dev *hdev); | |
283 | int (*flush)(struct hci_dev *hdev); | |
284 | int (*send)(struct sk_buff *skb); | |
1da177e4 LT |
285 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
286 | int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); | |
287 | }; | |
288 | ||
53502d69 AE |
289 | #define HCI_PHY_HANDLE(handle) (handle & 0xff) |
290 | ||
1da177e4 LT |
291 | struct hci_conn { |
292 | struct list_head list; | |
293 | ||
adc4266d | 294 | atomic_t refcnt; |
adc4266d SJ |
295 | |
296 | bdaddr_t dst; | |
5a9d0a3f | 297 | __u8 dst_type; |
adc4266d SJ |
298 | __u16 handle; |
299 | __u16 state; | |
300 | __u8 mode; | |
301 | __u8 type; | |
a0c808b3 | 302 | bool out; |
adc4266d SJ |
303 | __u8 attempt; |
304 | __u8 dev_class[3]; | |
305 | __u8 features[8]; | |
adc4266d SJ |
306 | __u16 interval; |
307 | __u16 pkt_type; | |
308 | __u16 link_policy; | |
309 | __u32 link_mode; | |
13d39315 | 310 | __u8 key_type; |
adc4266d SJ |
311 | __u8 auth_type; |
312 | __u8 sec_level; | |
313 | __u8 pending_sec_level; | |
314 | __u8 pin_length; | |
726b4ffc | 315 | __u8 enc_key_size; |
adc4266d | 316 | __u8 io_capability; |
92a25256 JH |
317 | __u32 passkey_notify; |
318 | __u8 passkey_entered; | |
adc4266d | 319 | __u16 disc_timeout; |
51a8efd7 | 320 | unsigned long flags; |
04837f64 | 321 | |
03b555e1 | 322 | __u8 remote_cap; |
03b555e1 | 323 | __u8 remote_auth; |
3161ae1c | 324 | __u8 remote_id; |
6ec5bcad | 325 | bool flush_key; |
03b555e1 | 326 | |
adc4266d | 327 | unsigned int sent; |
04837f64 | 328 | |
1da177e4 | 329 | struct sk_buff_head data_q; |
2c33c06a | 330 | struct list_head chan_list; |
1da177e4 | 331 | |
19c40e3b | 332 | struct delayed_work disc_work; |
04837f64 | 333 | struct timer_list idle_timer; |
9f61656a | 334 | struct timer_list auto_accept_timer; |
04837f64 | 335 | |
b219e3ac | 336 | struct device dev; |
9eba32b8 | 337 | atomic_t devref; |
b219e3ac | 338 | |
1da177e4 LT |
339 | struct hci_dev *hdev; |
340 | void *l2cap_data; | |
341 | void *sco_data; | |
2b64d153 | 342 | void *smp_conn; |
9740e49d | 343 | struct amp_mgr *amp_mgr; |
1da177e4 LT |
344 | |
345 | struct hci_conn *link; | |
e9a416b5 JH |
346 | |
347 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
348 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
349 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
350 | }; |
351 | ||
73d80deb LAD |
352 | struct hci_chan { |
353 | struct list_head list; | |
42c4e53e | 354 | __u16 handle; |
73d80deb LAD |
355 | struct hci_conn *conn; |
356 | struct sk_buff_head data_q; | |
357 | unsigned int sent; | |
358 | }; | |
359 | ||
1da177e4 LT |
360 | extern struct list_head hci_dev_list; |
361 | extern struct list_head hci_cb_list; | |
362 | extern rwlock_t hci_dev_list_lock; | |
363 | extern rwlock_t hci_cb_list_lock; | |
364 | ||
686ebf28 UF |
365 | /* ----- HCI interface to upper protocols ----- */ |
366 | extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
9e664631 | 367 | extern void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); |
686ebf28 | 368 | extern int l2cap_disconn_ind(struct hci_conn *hcon); |
9e664631 | 369 | extern void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); |
686ebf28 | 370 | extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); |
c3c7ea65 GP |
371 | extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, |
372 | u16 flags); | |
686ebf28 UF |
373 | |
374 | extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
9e664631 AE |
375 | extern void sco_connect_cfm(struct hci_conn *hcon, __u8 status); |
376 | extern void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); | |
686ebf28 UF |
377 | extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); |
378 | ||
1da177e4 | 379 | /* ----- Inquiry cache ----- */ |
70f23020 AE |
380 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
381 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 | 382 | |
30883512 | 383 | static inline void discovery_init(struct hci_dev *hdev) |
1da177e4 | 384 | { |
ff9ef578 | 385 | hdev->discovery.state = DISCOVERY_STOPPED; |
30883512 JH |
386 | INIT_LIST_HEAD(&hdev->discovery.all); |
387 | INIT_LIST_HEAD(&hdev->discovery.unknown); | |
388 | INIT_LIST_HEAD(&hdev->discovery.resolve); | |
1da177e4 LT |
389 | } |
390 | ||
30dc78e1 JH |
391 | bool hci_discovery_active(struct hci_dev *hdev); |
392 | ||
ff9ef578 JH |
393 | void hci_discovery_set_state(struct hci_dev *hdev, int state); |
394 | ||
1da177e4 LT |
395 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
396 | { | |
30883512 | 397 | return list_empty(&hdev->discovery.all); |
1da177e4 LT |
398 | } |
399 | ||
400 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
401 | { | |
30883512 | 402 | struct discovery_state *c = &hdev->discovery; |
1da177e4 LT |
403 | return jiffies - c->timestamp; |
404 | } | |
405 | ||
406 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
407 | { | |
408 | return jiffies - e->timestamp; | |
409 | } | |
410 | ||
5a9d0a3f | 411 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
04124681 | 412 | bdaddr_t *bdaddr); |
561aafbc | 413 | struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, |
04124681 | 414 | bdaddr_t *bdaddr); |
30dc78e1 | 415 | struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, |
04124681 GP |
416 | bdaddr_t *bdaddr, |
417 | int state); | |
a3d4e20a | 418 | void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, |
04124681 | 419 | struct inquiry_entry *ie); |
3175405b | 420 | bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, |
04124681 | 421 | bool name_known, bool *ssp); |
1da177e4 LT |
422 | |
423 | /* ----- HCI Connections ----- */ | |
424 | enum { | |
425 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 426 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 427 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
428 | HCI_CONN_RSWITCH_PEND, |
429 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 430 | HCI_CONN_SCO_SETUP_PEND, |
d26a2345 | 431 | HCI_CONN_LE_SMP_PEND, |
b644ba33 | 432 | HCI_CONN_MGMT_CONNECTED, |
58a681ef JH |
433 | HCI_CONN_SSP_ENABLED, |
434 | HCI_CONN_POWER_SAVE, | |
435 | HCI_CONN_REMOTE_OOB, | |
1da177e4 LT |
436 | }; |
437 | ||
aa64a8b5 JH |
438 | static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) |
439 | { | |
440 | struct hci_dev *hdev = conn->hdev; | |
c3c7ea65 GP |
441 | return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && |
442 | test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
aa64a8b5 JH |
443 | } |
444 | ||
1da177e4 LT |
445 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) |
446 | { | |
447 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 | 448 | list_add_rcu(&c->list, &h->list); |
fcd89c09 VT |
449 | switch (c->type) { |
450 | case ACL_LINK: | |
1da177e4 | 451 | h->acl_num++; |
fcd89c09 | 452 | break; |
bd1eb66b AE |
453 | case AMP_LINK: |
454 | h->amp_num++; | |
455 | break; | |
fcd89c09 VT |
456 | case LE_LINK: |
457 | h->le_num++; | |
458 | break; | |
459 | case SCO_LINK: | |
460 | case ESCO_LINK: | |
1da177e4 | 461 | h->sco_num++; |
fcd89c09 VT |
462 | break; |
463 | } | |
1da177e4 LT |
464 | } |
465 | ||
466 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
467 | { | |
468 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 GP |
469 | |
470 | list_del_rcu(&c->list); | |
471 | synchronize_rcu(); | |
472 | ||
fcd89c09 VT |
473 | switch (c->type) { |
474 | case ACL_LINK: | |
1da177e4 | 475 | h->acl_num--; |
fcd89c09 | 476 | break; |
bd1eb66b AE |
477 | case AMP_LINK: |
478 | h->amp_num--; | |
479 | break; | |
fcd89c09 VT |
480 | case LE_LINK: |
481 | h->le_num--; | |
482 | break; | |
483 | case SCO_LINK: | |
484 | case ESCO_LINK: | |
1da177e4 | 485 | h->sco_num--; |
fcd89c09 VT |
486 | break; |
487 | } | |
1da177e4 LT |
488 | } |
489 | ||
52087a79 LAD |
490 | static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) |
491 | { | |
492 | struct hci_conn_hash *h = &hdev->conn_hash; | |
493 | switch (type) { | |
494 | case ACL_LINK: | |
495 | return h->acl_num; | |
bd1eb66b AE |
496 | case AMP_LINK: |
497 | return h->amp_num; | |
52087a79 LAD |
498 | case LE_LINK: |
499 | return h->le_num; | |
500 | case SCO_LINK: | |
501 | case ESCO_LINK: | |
502 | return h->sco_num; | |
503 | default: | |
504 | return 0; | |
505 | } | |
506 | } | |
507 | ||
1da177e4 | 508 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, |
adc4266d | 509 | __u16 handle) |
1da177e4 LT |
510 | { |
511 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
512 | struct hci_conn *c; |
513 | ||
bf4c6325 GP |
514 | rcu_read_lock(); |
515 | ||
516 | list_for_each_entry_rcu(c, &h->list, list) { | |
517 | if (c->handle == handle) { | |
518 | rcu_read_unlock(); | |
1da177e4 | 519 | return c; |
bf4c6325 | 520 | } |
1da177e4 | 521 | } |
bf4c6325 GP |
522 | rcu_read_unlock(); |
523 | ||
1da177e4 LT |
524 | return NULL; |
525 | } | |
526 | ||
527 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 528 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
529 | { |
530 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
531 | struct hci_conn *c; |
532 | ||
bf4c6325 GP |
533 | rcu_read_lock(); |
534 | ||
535 | list_for_each_entry_rcu(c, &h->list, list) { | |
536 | if (c->type == type && !bacmp(&c->dst, ba)) { | |
537 | rcu_read_unlock(); | |
1da177e4 | 538 | return c; |
bf4c6325 | 539 | } |
1da177e4 | 540 | } |
bf4c6325 GP |
541 | |
542 | rcu_read_unlock(); | |
543 | ||
1da177e4 LT |
544 | return NULL; |
545 | } | |
546 | ||
4c67bc74 | 547 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 548 | __u8 type, __u16 state) |
4c67bc74 MH |
549 | { |
550 | struct hci_conn_hash *h = &hdev->conn_hash; | |
4c67bc74 MH |
551 | struct hci_conn *c; |
552 | ||
bf4c6325 GP |
553 | rcu_read_lock(); |
554 | ||
555 | list_for_each_entry_rcu(c, &h->list, list) { | |
556 | if (c->type == type && c->state == state) { | |
557 | rcu_read_unlock(); | |
4c67bc74 | 558 | return c; |
bf4c6325 | 559 | } |
4c67bc74 | 560 | } |
73d80deb | 561 | |
bf4c6325 | 562 | rcu_read_unlock(); |
73d80deb | 563 | |
4c67bc74 | 564 | return NULL; |
73d80deb LAD |
565 | } |
566 | ||
1da177e4 | 567 | void hci_acl_disconn(struct hci_conn *conn, __u8 reason); |
b6a0dc82 | 568 | void hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 569 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
570 | |
571 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
572 | int hci_conn_del(struct hci_conn *conn); |
573 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
574 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 575 | |
73d80deb | 576 | struct hci_chan *hci_chan_create(struct hci_conn *conn); |
9472007c | 577 | void hci_chan_del(struct hci_chan *chan); |
2c33c06a | 578 | void hci_chan_list_flush(struct hci_conn *conn); |
42c4e53e | 579 | struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); |
73d80deb | 580 | |
5a9d0a3f | 581 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
b12f62cf | 582 | __u8 dst_type, __u8 sec_level, __u8 auth_type); |
e7c29cb1 | 583 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 584 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
0684e5f9 | 585 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 586 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 587 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 588 | |
14b12d0b | 589 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
1da177e4 | 590 | |
9eba32b8 MH |
591 | void hci_conn_hold_device(struct hci_conn *conn); |
592 | void hci_conn_put_device(struct hci_conn *conn); | |
593 | ||
1da177e4 LT |
594 | static inline void hci_conn_hold(struct hci_conn *conn) |
595 | { | |
71becf0c | 596 | BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); |
38b3fef1 | 597 | |
1da177e4 | 598 | atomic_inc(&conn->refcnt); |
2f304d1e | 599 | cancel_delayed_work(&conn->disc_work); |
1da177e4 LT |
600 | } |
601 | ||
602 | static inline void hci_conn_put(struct hci_conn *conn) | |
603 | { | |
71becf0c | 604 | BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); |
38b3fef1 | 605 | |
1da177e4 | 606 | if (atomic_dec_and_test(&conn->refcnt)) { |
04837f64 | 607 | unsigned long timeo; |
454d48ff | 608 | if (conn->type == ACL_LINK || conn->type == LE_LINK) { |
04837f64 | 609 | del_timer(&conn->idle_timer); |
6ac59344 | 610 | if (conn->state == BT_CONNECTED) { |
5f246e89 | 611 | timeo = conn->disc_timeout; |
6ac59344 | 612 | if (!conn->out) |
052b30b0 | 613 | timeo *= 2; |
5a9d0a3f | 614 | } else { |
6ac59344 | 615 | timeo = msecs_to_jiffies(10); |
5a9d0a3f WR |
616 | } |
617 | } else { | |
04837f64 | 618 | timeo = msecs_to_jiffies(10); |
5a9d0a3f | 619 | } |
2f304d1e | 620 | cancel_delayed_work(&conn->disc_work); |
19c40e3b | 621 | queue_delayed_work(conn->hdev->workqueue, |
1931782b | 622 | &conn->disc_work, timeo); |
1da177e4 LT |
623 | } |
624 | } | |
625 | ||
1da177e4 | 626 | /* ----- HCI Devices ----- */ |
dc946bd8 | 627 | static inline void hci_dev_put(struct hci_dev *d) |
1da177e4 | 628 | { |
376261ae AE |
629 | BT_DBG("%s orig refcnt %d", d->name, |
630 | atomic_read(&d->dev.kobj.kref.refcount)); | |
631 | ||
4c724c71 | 632 | put_device(&d->dev); |
1da177e4 LT |
633 | } |
634 | ||
dc946bd8 | 635 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
1da177e4 | 636 | { |
376261ae AE |
637 | BT_DBG("%s orig refcnt %d", d->name, |
638 | atomic_read(&d->dev.kobj.kref.refcount)); | |
639 | ||
4c724c71 | 640 | get_device(&d->dev); |
1da177e4 LT |
641 | return d; |
642 | } | |
643 | ||
09fd0de5 GP |
644 | #define hci_dev_lock(d) mutex_lock(&d->lock) |
645 | #define hci_dev_unlock(d) mutex_unlock(&d->lock) | |
1da177e4 | 646 | |
aa2b86d7 | 647 | #define to_hci_dev(d) container_of(d, struct hci_dev, dev) |
3dc07322 | 648 | #define to_hci_conn(c) container_of(c, struct hci_conn, dev) |
aa2b86d7 | 649 | |
155961e8 DH |
650 | static inline void *hci_get_drvdata(struct hci_dev *hdev) |
651 | { | |
652 | return dev_get_drvdata(&hdev->dev); | |
653 | } | |
654 | ||
655 | static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) | |
656 | { | |
657 | dev_set_drvdata(&hdev->dev, data); | |
658 | } | |
659 | ||
8598d064 AE |
660 | /* hci_dev_list shall be locked */ |
661 | static inline uint8_t __hci_num_ctrl(void) | |
662 | { | |
663 | uint8_t count = 0; | |
664 | struct list_head *p; | |
665 | ||
666 | list_for_each(p, &hci_dev_list) { | |
667 | count++; | |
668 | } | |
669 | ||
670 | return count; | |
671 | } | |
672 | ||
1da177e4 LT |
673 | struct hci_dev *hci_dev_get(int index); |
674 | struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst); | |
675 | ||
676 | struct hci_dev *hci_alloc_dev(void); | |
677 | void hci_free_dev(struct hci_dev *hdev); | |
678 | int hci_register_dev(struct hci_dev *hdev); | |
59735631 | 679 | void hci_unregister_dev(struct hci_dev *hdev); |
1da177e4 LT |
680 | int hci_suspend_dev(struct hci_dev *hdev); |
681 | int hci_resume_dev(struct hci_dev *hdev); | |
682 | int hci_dev_open(__u16 dev); | |
683 | int hci_dev_close(__u16 dev); | |
684 | int hci_dev_reset(__u16 dev); | |
685 | int hci_dev_reset_stat(__u16 dev); | |
686 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
687 | int hci_get_dev_list(void __user *arg); | |
688 | int hci_get_dev_info(void __user *arg); | |
689 | int hci_get_conn_list(void __user *arg); | |
690 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 691 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
692 | int hci_inquiry(void __user *arg); |
693 | ||
c3c7ea65 GP |
694 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, |
695 | bdaddr_t *bdaddr); | |
f0358568 | 696 | int hci_blacklist_clear(struct hci_dev *hdev); |
88c1fe4b JH |
697 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
698 | int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
f0358568 | 699 | |
2aeb9a1a JH |
700 | int hci_uuids_clear(struct hci_dev *hdev); |
701 | ||
55ed8ca1 JH |
702 | int hci_link_keys_clear(struct hci_dev *hdev); |
703 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
d25e28ab | 704 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
04124681 | 705 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); |
c9839a11 VCG |
706 | struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]); |
707 | int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, | |
9a006657 AE |
708 | int new_key, u8 authenticated, u8 tk[16], u8 enc_size, |
709 | __le16 ediv, u8 rand[8]); | |
c9839a11 | 710 | struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 711 | u8 addr_type); |
b899efaf | 712 | int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr); |
b899efaf | 713 | int hci_smp_ltks_clear(struct hci_dev *hdev); |
55ed8ca1 JH |
714 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
715 | ||
2763eda6 SJ |
716 | int hci_remote_oob_data_clear(struct hci_dev *hdev); |
717 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, | |
718 | bdaddr_t *bdaddr); | |
719 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, | |
720 | u8 *randomizer); | |
721 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); | |
722 | ||
1da177e4 LT |
723 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
724 | ||
76bca880 | 725 | int hci_recv_frame(struct sk_buff *skb); |
ef222013 | 726 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 727 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 728 | |
0ac7e700 | 729 | void hci_init_sysfs(struct hci_dev *hdev); |
ce242970 DH |
730 | int hci_add_sysfs(struct hci_dev *hdev); |
731 | void hci_del_sysfs(struct hci_dev *hdev); | |
a67e899c | 732 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
733 | void hci_conn_add_sysfs(struct hci_conn *conn); |
734 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 735 | |
6935e0f5 | 736 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) |
1da177e4 LT |
737 | |
738 | /* ----- LMP capabilities ----- */ | |
04837f64 MH |
739 | #define lmp_rswitch_capable(dev) ((dev)->features[0] & LMP_RSWITCH) |
740 | #define lmp_encrypt_capable(dev) ((dev)->features[0] & LMP_ENCRYPT) | |
741 | #define lmp_sniff_capable(dev) ((dev)->features[0] & LMP_SNIFF) | |
742 | #define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR) | |
5b7f9909 | 743 | #define lmp_esco_capable(dev) ((dev)->features[3] & LMP_ESCO) |
769be974 | 744 | #define lmp_ssp_capable(dev) ((dev)->features[6] & LMP_SIMPLE_PAIR) |
e702112f | 745 | #define lmp_no_flush_capable(dev) ((dev)->features[6] & LMP_NO_FLUSH) |
6ed58ec5 | 746 | #define lmp_le_capable(dev) ((dev)->features[4] & LMP_LE) |
5e0452c0 | 747 | #define lmp_bredr_capable(dev) (!((dev)->features[4] & LMP_NO_BREDR)) |
1da177e4 | 748 | |
eead27da | 749 | /* ----- Extended LMP capabilities ----- */ |
59e29406 | 750 | #define lmp_host_le_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE) |
eead27da | 751 | |
1da177e4 | 752 | /* ----- HCI protocols ----- */ |
5a9d0a3f WR |
753 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
754 | __u8 type) | |
1da177e4 | 755 | { |
686ebf28 UF |
756 | switch (type) { |
757 | case ACL_LINK: | |
758 | return l2cap_connect_ind(hdev, bdaddr); | |
1da177e4 | 759 | |
686ebf28 UF |
760 | case SCO_LINK: |
761 | case ESCO_LINK: | |
762 | return sco_connect_ind(hdev, bdaddr); | |
1da177e4 | 763 | |
686ebf28 UF |
764 | default: |
765 | BT_ERR("unknown link type %d", type); | |
766 | return -EINVAL; | |
767 | } | |
1da177e4 LT |
768 | } |
769 | ||
770 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
771 | { | |
686ebf28 UF |
772 | switch (conn->type) { |
773 | case ACL_LINK: | |
774 | case LE_LINK: | |
775 | l2cap_connect_cfm(conn, status); | |
776 | break; | |
1da177e4 | 777 | |
686ebf28 UF |
778 | case SCO_LINK: |
779 | case ESCO_LINK: | |
780 | sco_connect_cfm(conn, status); | |
781 | break; | |
1da177e4 | 782 | |
686ebf28 UF |
783 | default: |
784 | BT_ERR("unknown link type %d", conn->type); | |
785 | break; | |
786 | } | |
e9a416b5 JH |
787 | |
788 | if (conn->connect_cfm_cb) | |
789 | conn->connect_cfm_cb(conn, status); | |
1da177e4 LT |
790 | } |
791 | ||
2950f21a | 792 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 | 793 | { |
686ebf28 UF |
794 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
795 | return HCI_ERROR_REMOTE_USER_TERM; | |
1da177e4 | 796 | |
686ebf28 | 797 | return l2cap_disconn_ind(conn); |
2950f21a MH |
798 | } |
799 | ||
800 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
801 | { | |
686ebf28 UF |
802 | switch (conn->type) { |
803 | case ACL_LINK: | |
804 | case LE_LINK: | |
805 | l2cap_disconn_cfm(conn, reason); | |
806 | break; | |
2950f21a | 807 | |
686ebf28 UF |
808 | case SCO_LINK: |
809 | case ESCO_LINK: | |
810 | sco_disconn_cfm(conn, reason); | |
811 | break; | |
2950f21a | 812 | |
bd1eb66b AE |
813 | /* L2CAP would be handled for BREDR chan */ |
814 | case AMP_LINK: | |
815 | break; | |
816 | ||
686ebf28 UF |
817 | default: |
818 | BT_ERR("unknown link type %d", conn->type); | |
819 | break; | |
820 | } | |
e9a416b5 JH |
821 | |
822 | if (conn->disconn_cfm_cb) | |
823 | conn->disconn_cfm_cb(conn, reason); | |
1da177e4 LT |
824 | } |
825 | ||
826 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
827 | { | |
8c1b2355 MH |
828 | __u8 encrypt; |
829 | ||
686ebf28 UF |
830 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
831 | return; | |
832 | ||
51a8efd7 | 833 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
834 | return; |
835 | ||
836 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
686ebf28 | 837 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
838 | |
839 | if (conn->security_cfm_cb) | |
840 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
841 | } |
842 | ||
5a9d0a3f WR |
843 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
844 | __u8 encrypt) | |
1da177e4 | 845 | { |
686ebf28 UF |
846 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
847 | return; | |
1da177e4 | 848 | |
686ebf28 | 849 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
850 | |
851 | if (conn->security_cfm_cb) | |
852 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
853 | } |
854 | ||
1da177e4 LT |
855 | /* ----- HCI callbacks ----- */ |
856 | struct hci_cb { | |
857 | struct list_head list; | |
858 | ||
859 | char *name; | |
860 | ||
5a9d0a3f WR |
861 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
862 | __u8 encrypt); | |
1da177e4 LT |
863 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
864 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
865 | }; | |
866 | ||
867 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
868 | { | |
869 | struct list_head *p; | |
8c1b2355 | 870 | __u8 encrypt; |
1da177e4 LT |
871 | |
872 | hci_proto_auth_cfm(conn, status); | |
873 | ||
51a8efd7 | 874 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
875 | return; |
876 | ||
877 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
878 | ||
f20d09d5 | 879 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
880 | list_for_each(p, &hci_cb_list) { |
881 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
882 | if (cb->security_cfm) |
883 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 884 | } |
f20d09d5 | 885 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
886 | } |
887 | ||
5a9d0a3f WR |
888 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
889 | __u8 encrypt) | |
1da177e4 LT |
890 | { |
891 | struct list_head *p; | |
892 | ||
435fef20 MH |
893 | if (conn->sec_level == BT_SECURITY_SDP) |
894 | conn->sec_level = BT_SECURITY_LOW; | |
895 | ||
88167aed VCG |
896 | if (conn->pending_sec_level > conn->sec_level) |
897 | conn->sec_level = conn->pending_sec_level; | |
898 | ||
9719f8af | 899 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 | 900 | |
f20d09d5 | 901 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
902 | list_for_each(p, &hci_cb_list) { |
903 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
8c1b2355 MH |
904 | if (cb->security_cfm) |
905 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 906 | } |
f20d09d5 | 907 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
908 | } |
909 | ||
910 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
911 | { | |
912 | struct list_head *p; | |
913 | ||
f20d09d5 | 914 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
915 | list_for_each(p, &hci_cb_list) { |
916 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
917 | if (cb->key_change_cfm) | |
918 | cb->key_change_cfm(conn, status); | |
919 | } | |
f20d09d5 | 920 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
921 | } |
922 | ||
5a9d0a3f WR |
923 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
924 | __u8 role) | |
1da177e4 LT |
925 | { |
926 | struct list_head *p; | |
927 | ||
f20d09d5 | 928 | read_lock(&hci_cb_list_lock); |
1da177e4 LT |
929 | list_for_each(p, &hci_cb_list) { |
930 | struct hci_cb *cb = list_entry(p, struct hci_cb, list); | |
931 | if (cb->role_switch_cfm) | |
932 | cb->role_switch_cfm(conn, status, role); | |
933 | } | |
f20d09d5 | 934 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
935 | } |
936 | ||
6759a675 JH |
937 | static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) |
938 | { | |
84d9d071 | 939 | size_t parsed = 0; |
6759a675 | 940 | |
6c0c331e JH |
941 | if (data_len < 2) |
942 | return false; | |
943 | ||
84d9d071 JH |
944 | while (parsed < data_len - 1) { |
945 | u8 field_len = data[0]; | |
6759a675 JH |
946 | |
947 | if (field_len == 0) | |
948 | break; | |
949 | ||
950 | parsed += field_len + 1; | |
951 | ||
952 | if (parsed > data_len) | |
953 | break; | |
954 | ||
955 | if (data[1] == type) | |
956 | return true; | |
957 | ||
958 | data += field_len + 1; | |
959 | } | |
960 | ||
961 | return false; | |
962 | } | |
963 | ||
9d939d94 VA |
964 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
965 | { | |
966 | size_t parsed = 0; | |
967 | ||
968 | while (parsed < eir_len) { | |
969 | u8 field_len = eir[0]; | |
970 | ||
971 | if (field_len == 0) | |
972 | return parsed; | |
973 | ||
974 | parsed += field_len + 1; | |
975 | eir += field_len + 1; | |
976 | } | |
977 | ||
978 | return eir_len; | |
979 | } | |
980 | ||
1dc06093 | 981 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
04124681 | 982 | u8 data_len) |
1dc06093 JH |
983 | { |
984 | eir[eir_len++] = sizeof(type) + data_len; | |
985 | eir[eir_len++] = type; | |
986 | memcpy(&eir[eir_len], data, data_len); | |
987 | eir_len += data_len; | |
988 | ||
989 | return eir_len; | |
990 | } | |
991 | ||
1da177e4 LT |
992 | int hci_register_cb(struct hci_cb *hcb); |
993 | int hci_unregister_cb(struct hci_cb *hcb); | |
994 | ||
a9de9248 | 995 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param); |
73d80deb | 996 | void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); |
0d861d8b | 997 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 998 | |
a9de9248 | 999 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 | 1000 | |
1da177e4 | 1001 | /* ----- HCI Sockets ----- */ |
470fe1b5 MH |
1002 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); |
1003 | void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); | |
cd82e61c | 1004 | void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); |
1da177e4 | 1005 | |
040030ef MH |
1006 | void hci_sock_dev_event(struct hci_dev *hdev, int event); |
1007 | ||
0381101f | 1008 | /* Management interface */ |
591f47f3 AG |
1009 | #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) |
1010 | #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ | |
1011 | BIT(BDADDR_LE_RANDOM)) | |
1012 | #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ | |
1013 | BIT(BDADDR_LE_PUBLIC) | \ | |
1014 | BIT(BDADDR_LE_RANDOM)) | |
f39799f5 | 1015 | |
0381101f | 1016 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); |
744cf19e JH |
1017 | int mgmt_index_added(struct hci_dev *hdev); |
1018 | int mgmt_index_removed(struct hci_dev *hdev); | |
1019 | int mgmt_powered(struct hci_dev *hdev, u8 powered); | |
1020 | int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); | |
1021 | int mgmt_connectable(struct hci_dev *hdev, u8 connectable); | |
1022 | int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); | |
1023 | int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, | |
745c0ce3 | 1024 | bool persistent); |
afc747a6 | 1025 | int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
04124681 GP |
1026 | u8 addr_type, u32 flags, u8 *name, u8 name_len, |
1027 | u8 *dev_class); | |
afc747a6 | 1028 | int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
f0d6a0ea | 1029 | u8 link_type, u8 addr_type, u8 reason); |
88c3df13 | 1030 | int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1031 | u8 link_type, u8 addr_type, u8 status); |
48264f06 | 1032 | int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
04124681 | 1033 | u8 addr_type, u8 status); |
744cf19e JH |
1034 | int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); |
1035 | int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
04124681 | 1036 | u8 status); |
744cf19e | 1037 | int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1038 | u8 status); |
744cf19e | 1039 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 GP |
1040 | u8 link_type, u8 addr_type, __le32 value, |
1041 | u8 confirm_hint); | |
744cf19e | 1042 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1043 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1044 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1045 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1046 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1047 | u8 link_type, u8 addr_type); |
604086b7 | 1048 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1049 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1050 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1051 | u8 link_type, u8 addr_type, u8 status); |
92a25256 JH |
1052 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1053 | u8 link_type, u8 addr_type, u32 passkey, | |
1054 | u8 entered); | |
bab73cb6 | 1055 | int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
04124681 | 1056 | u8 addr_type, u8 status); |
33ef95ed | 1057 | int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); |
c0ecddc2 | 1058 | int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
7f9a903c | 1059 | int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
04124681 | 1060 | u8 status); |
744cf19e JH |
1061 | int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); |
1062 | int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, | |
04124681 | 1063 | u8 *randomizer, u8 status); |
06199cf8 | 1064 | int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
48264f06 | 1065 | int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
04124681 GP |
1066 | u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, |
1067 | u8 ssp, u8 *eir, u16 eir_len); | |
b644ba33 | 1068 | int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
04124681 | 1069 | u8 addr_type, s8 rssi, u8 *name, u8 name_len); |
7a135109 | 1070 | int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status); |
e6d465cb | 1071 | int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status); |
744cf19e | 1072 | int mgmt_discovering(struct hci_dev *hdev, u8 discovering); |
5e0452c0 | 1073 | int mgmt_interleaved_discovery(struct hci_dev *hdev); |
88c1fe4b JH |
1074 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
1075 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
bb4b2a9a | 1076 | bool mgmt_valid_hdev(struct hci_dev *hdev); |
346af67b VCG |
1077 | int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); |
1078 | ||
1da177e4 LT |
1079 | /* HCI info for socket */ |
1080 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
1081 | ||
1082 | struct hci_pinfo { | |
1083 | struct bt_sock bt; | |
1084 | struct hci_dev *hdev; | |
1085 | struct hci_filter filter; | |
1086 | __u32 cmsg_mask; | |
c02178d2 | 1087 | unsigned short channel; |
1da177e4 LT |
1088 | }; |
1089 | ||
1090 | /* HCI security filter */ | |
1091 | #define HCI_SFLT_MAX_OGF 5 | |
1092 | ||
1093 | struct hci_sec_filter { | |
1094 | __u32 type_mask; | |
1095 | __u32 event_mask[2]; | |
1096 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
1097 | }; | |
1098 | ||
1099 | /* ----- HCI requests ----- */ | |
1100 | #define HCI_REQ_DONE 0 | |
1101 | #define HCI_REQ_PEND 1 | |
1102 | #define HCI_REQ_CANCELED 2 | |
1103 | ||
a6a67efd TG |
1104 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
1105 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 | 1106 | |
23bb5763 | 1107 | void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result); |
1da177e4 | 1108 | |
2ce603eb CT |
1109 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
1110 | u16 latency, u16 to_multiplier); | |
a7a595f6 VCG |
1111 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], |
1112 | __u8 ltk[16]); | |
2519a1fc | 1113 | int hci_do_inquiry(struct hci_dev *hdev, u8 length); |
023d5049 | 1114 | int hci_cancel_inquiry(struct hci_dev *hdev); |
28b75a89 | 1115 | int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, |
04124681 | 1116 | int timeout); |
7dbfac1d | 1117 | int hci_cancel_le_scan(struct hci_dev *hdev); |
2519a1fc | 1118 | |
31f7956c AG |
1119 | u8 bdaddr_to_le(u8 bdaddr_type); |
1120 | ||
1da177e4 | 1121 | #endif /* __HCI_CORE_H */ |