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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 | ||
6d5d2ee6 | 28 | #include <linux/leds.h> |
1da177e4 | 29 | #include <net/bluetooth/hci.h> |
f49daa81 | 30 | #include <net/bluetooth/hci_sock.h> |
1da177e4 | 31 | |
5e59b791 LAD |
32 | /* HCI priority */ |
33 | #define HCI_PRIO_MAX 7 | |
34 | ||
1da177e4 | 35 | /* HCI Core structures */ |
1da177e4 LT |
36 | struct inquiry_data { |
37 | bdaddr_t bdaddr; | |
38 | __u8 pscan_rep_mode; | |
39 | __u8 pscan_period_mode; | |
40 | __u8 pscan_mode; | |
41 | __u8 dev_class[3]; | |
1ebb9252 | 42 | __le16 clock_offset; |
1da177e4 | 43 | __s8 rssi; |
41a96212 | 44 | __u8 ssp_mode; |
1da177e4 LT |
45 | }; |
46 | ||
47 | struct inquiry_entry { | |
561aafbc JH |
48 | struct list_head all; /* inq_cache.all */ |
49 | struct list_head list; /* unknown or resolve */ | |
50 | enum { | |
51 | NAME_NOT_KNOWN, | |
52 | NAME_NEEDED, | |
53 | NAME_PENDING, | |
54 | NAME_KNOWN, | |
55 | } name_state; | |
1da177e4 LT |
56 | __u32 timestamp; |
57 | struct inquiry_data data; | |
58 | }; | |
59 | ||
30883512 | 60 | struct discovery_state { |
f64b993f | 61 | int type; |
ff9ef578 JH |
62 | enum { |
63 | DISCOVERY_STOPPED, | |
64 | DISCOVERY_STARTING, | |
343f935b | 65 | DISCOVERY_FINDING, |
30dc78e1 | 66 | DISCOVERY_RESOLVING, |
ff9ef578 JH |
67 | DISCOVERY_STOPPING, |
68 | } state; | |
c3c7ea65 | 69 | struct list_head all; /* All devices found during inquiry */ |
f64b993f GP |
70 | struct list_head unknown; /* Name state not known */ |
71 | struct list_head resolve; /* Name needs to be resolved */ | |
72 | __u32 timestamp; | |
b9a6328f JH |
73 | bdaddr_t last_adv_addr; |
74 | u8 last_adv_addr_type; | |
ff5cd29f | 75 | s8 last_adv_rssi; |
c70a7e4c | 76 | u32 last_adv_flags; |
b9a6328f JH |
77 | u8 last_adv_data[HCI_MAX_AD_LENGTH]; |
78 | u8 last_adv_data_len; | |
da25cf6a | 79 | bool report_invalid_rssi; |
82f8b651 | 80 | bool result_filtering; |
78b781ca | 81 | bool limited; |
37eab042 JP |
82 | s8 rssi; |
83 | u16 uuid_count; | |
84 | u8 (*uuids)[16]; | |
2d28cfe7 JP |
85 | unsigned long scan_start; |
86 | unsigned long scan_duration; | |
1da177e4 LT |
87 | }; |
88 | ||
89 | struct hci_conn_hash { | |
90 | struct list_head list; | |
1da177e4 | 91 | unsigned int acl_num; |
bd1eb66b | 92 | unsigned int amp_num; |
1da177e4 | 93 | unsigned int sco_num; |
fcd89c09 | 94 | unsigned int le_num; |
f8218dc6 | 95 | unsigned int le_num_slave; |
1da177e4 LT |
96 | }; |
97 | ||
f0358568 JH |
98 | struct bdaddr_list { |
99 | struct list_head list; | |
100 | bdaddr_t bdaddr; | |
b9ee0a78 | 101 | u8 bdaddr_type; |
f0358568 | 102 | }; |
2aeb9a1a JH |
103 | |
104 | struct bt_uuid { | |
105 | struct list_head list; | |
106 | u8 uuid[16]; | |
83be8eca | 107 | u8 size; |
1aff6f09 | 108 | u8 svc_hint; |
2aeb9a1a JH |
109 | }; |
110 | ||
7ee4ea36 MH |
111 | struct smp_csrk { |
112 | bdaddr_t bdaddr; | |
113 | u8 bdaddr_type; | |
4cd3928a | 114 | u8 type; |
7ee4ea36 MH |
115 | u8 val[16]; |
116 | }; | |
117 | ||
b899efaf VCG |
118 | struct smp_ltk { |
119 | struct list_head list; | |
970d0f1b | 120 | struct rcu_head rcu; |
b899efaf VCG |
121 | bdaddr_t bdaddr; |
122 | u8 bdaddr_type; | |
123 | u8 authenticated; | |
124 | u8 type; | |
125 | u8 enc_size; | |
126 | __le16 ediv; | |
fe39c7b2 | 127 | __le64 rand; |
b899efaf | 128 | u8 val[16]; |
03c515d7 | 129 | }; |
b899efaf | 130 | |
970c4e46 JH |
131 | struct smp_irk { |
132 | struct list_head list; | |
adae20cb | 133 | struct rcu_head rcu; |
970c4e46 JH |
134 | bdaddr_t rpa; |
135 | bdaddr_t bdaddr; | |
136 | u8 addr_type; | |
137 | u8 val[16]; | |
138 | }; | |
139 | ||
55ed8ca1 JH |
140 | struct link_key { |
141 | struct list_head list; | |
0378b597 | 142 | struct rcu_head rcu; |
55ed8ca1 JH |
143 | bdaddr_t bdaddr; |
144 | u8 type; | |
9b3b4460 | 145 | u8 val[HCI_LINK_KEY_SIZE]; |
55ed8ca1 JH |
146 | u8 pin_len; |
147 | }; | |
148 | ||
2763eda6 SJ |
149 | struct oob_data { |
150 | struct list_head list; | |
151 | bdaddr_t bdaddr; | |
6928a924 | 152 | u8 bdaddr_type; |
f7697b16 | 153 | u8 present; |
519ca9d0 | 154 | u8 hash192[16]; |
38da1703 | 155 | u8 rand192[16]; |
519ca9d0 | 156 | u8 hash256[16]; |
38da1703 | 157 | u8 rand256[16]; |
2763eda6 SJ |
158 | }; |
159 | ||
203fea01 | 160 | struct adv_info { |
d2609b34 | 161 | struct list_head list; |
fffd38bc | 162 | bool pending; |
203fea01 AU |
163 | __u8 instance; |
164 | __u32 flags; | |
912098a6 | 165 | __u16 timeout; |
5d900e46 | 166 | __u16 remaining_time; |
d2609b34 | 167 | __u16 duration; |
203fea01 AU |
168 | __u16 adv_data_len; |
169 | __u8 adv_data[HCI_MAX_AD_LENGTH]; | |
170 | __u16 scan_rsp_len; | |
171 | __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; | |
172 | }; | |
173 | ||
db25be66 | 174 | #define HCI_MAX_ADV_INSTANCES 5 |
d2609b34 FG |
175 | #define HCI_DEFAULT_ADV_DURATION 2 |
176 | ||
490c5bab JH |
177 | #define HCI_MAX_SHORT_NAME_LENGTH 10 |
178 | ||
d6bfd59c JH |
179 | /* Default LE RPA expiry time, 15 minutes */ |
180 | #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) | |
181 | ||
31ad1691 AK |
182 | /* Default min/max age of connection information (1s/3s) */ |
183 | #define DEFAULT_CONN_INFO_MIN_AGE 1000 | |
184 | #define DEFAULT_CONN_INFO_MAX_AGE 3000 | |
185 | ||
903e4541 AE |
186 | struct amp_assoc { |
187 | __u16 len; | |
188 | __u16 offset; | |
93c284ee AE |
189 | __u16 rem_len; |
190 | __u16 len_so_far; | |
903e4541 AE |
191 | __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; |
192 | }; | |
193 | ||
d2c5d77f | 194 | #define HCI_MAX_PAGES 3 |
cad718ed | 195 | |
1da177e4 LT |
196 | struct hci_dev { |
197 | struct list_head list; | |
09fd0de5 | 198 | struct mutex lock; |
1da177e4 LT |
199 | |
200 | char name[8]; | |
201 | unsigned long flags; | |
202 | __u16 id; | |
c13854ce | 203 | __u8 bus; |
943da25d | 204 | __u8 dev_type; |
1da177e4 | 205 | bdaddr_t bdaddr; |
e30d3f5f | 206 | bdaddr_t setup_addr; |
24c457e2 | 207 | bdaddr_t public_addr; |
7a4cd51d | 208 | bdaddr_t random_addr; |
d13eafce | 209 | bdaddr_t static_addr; |
56ed2cb8 | 210 | __u8 adv_addr_type; |
1f6c6378 | 211 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
490c5bab | 212 | __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; |
80a1e1db | 213 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
a9de9248 | 214 | __u8 dev_class[3]; |
1aff6f09 JH |
215 | __u8 major_class; |
216 | __u8 minor_class; | |
d2c5d77f | 217 | __u8 max_page; |
cad718ed | 218 | __u8 features[HCI_MAX_PAGES][8]; |
60e77321 | 219 | __u8 le_features[8]; |
cf1d081f | 220 | __u8 le_white_list_size; |
9b008c04 | 221 | __u8 le_states[8]; |
a9de9248 | 222 | __u8 commands[64]; |
1143e5a6 MH |
223 | __u8 hci_ver; |
224 | __u16 hci_rev; | |
d5859e22 | 225 | __u8 lmp_ver; |
1143e5a6 | 226 | __u16 manufacturer; |
7d69230c | 227 | __u16 lmp_subver; |
1da177e4 | 228 | __u16 voice_setting; |
b4cb9fb2 | 229 | __u8 num_iac; |
c2f0f979 MH |
230 | __u8 stored_max_keys; |
231 | __u8 stored_num_keys; | |
17fa4b9d | 232 | __u8 io_capability; |
91c4e9b1 | 233 | __s8 inq_tx_power; |
f332ec66 JH |
234 | __u16 page_scan_interval; |
235 | __u16 page_scan_window; | |
236 | __u8 page_scan_type; | |
3f959d46 | 237 | __u8 le_adv_channel_map; |
628531c9 GL |
238 | __u16 le_adv_min_interval; |
239 | __u16 le_adv_max_interval; | |
533553f8 | 240 | __u8 le_scan_type; |
bef64738 MH |
241 | __u16 le_scan_interval; |
242 | __u16 le_scan_window; | |
4e70c7e7 MH |
243 | __u16 le_conn_min_interval; |
244 | __u16 le_conn_max_interval; | |
04fb7d90 MH |
245 | __u16 le_conn_latency; |
246 | __u16 le_supv_timeout; | |
a8e1bfaa MH |
247 | __u16 le_def_tx_len; |
248 | __u16 le_def_tx_time; | |
249 | __u16 le_max_tx_len; | |
250 | __u16 le_max_tx_time; | |
251 | __u16 le_max_rx_len; | |
252 | __u16 le_max_rx_time; | |
b9a7a61e | 253 | __u16 discov_interleaved_timeout; |
31ad1691 AK |
254 | __u16 conn_info_min_age; |
255 | __u16 conn_info_max_age; | |
06f5b778 | 256 | __u8 ssp_debug_mode; |
c7741d16 | 257 | __u8 hw_error_code; |
33f35721 | 258 | __u32 clock; |
f332ec66 | 259 | |
2b9be137 MH |
260 | __u16 devid_source; |
261 | __u16 devid_vendor; | |
262 | __u16 devid_product; | |
263 | __u16 devid_version; | |
1da177e4 LT |
264 | |
265 | __u16 pkt_type; | |
5b7f9909 | 266 | __u16 esco_type; |
1da177e4 LT |
267 | __u16 link_policy; |
268 | __u16 link_mode; | |
269 | ||
04837f64 MH |
270 | __u32 idle_timeout; |
271 | __u16 sniff_min_interval; | |
272 | __u16 sniff_max_interval; | |
273 | ||
928abaa7 AE |
274 | __u8 amp_status; |
275 | __u32 amp_total_bw; | |
276 | __u32 amp_max_bw; | |
277 | __u32 amp_min_latency; | |
278 | __u32 amp_max_pdu; | |
279 | __u8 amp_type; | |
280 | __u16 amp_pal_cap; | |
281 | __u16 amp_assoc_size; | |
282 | __u32 amp_max_flush_to; | |
283 | __u32 amp_be_flush_to; | |
284 | ||
903e4541 AE |
285 | struct amp_assoc loc_assoc; |
286 | ||
1e89cffb AE |
287 | __u8 flow_ctl_mode; |
288 | ||
9f61656a JH |
289 | unsigned int auto_accept_delay; |
290 | ||
1da177e4 LT |
291 | unsigned long quirks; |
292 | ||
293 | atomic_t cmd_cnt; | |
294 | unsigned int acl_cnt; | |
295 | unsigned int sco_cnt; | |
6ed58ec5 | 296 | unsigned int le_cnt; |
1da177e4 LT |
297 | |
298 | unsigned int acl_mtu; | |
299 | unsigned int sco_mtu; | |
6ed58ec5 | 300 | unsigned int le_mtu; |
1da177e4 LT |
301 | unsigned int acl_pkts; |
302 | unsigned int sco_pkts; | |
6ed58ec5 | 303 | unsigned int le_pkts; |
1da177e4 | 304 | |
350ee4cf AE |
305 | __u16 block_len; |
306 | __u16 block_mtu; | |
307 | __u16 num_blocks; | |
308 | __u16 block_cnt; | |
309 | ||
1da177e4 LT |
310 | unsigned long acl_last_tx; |
311 | unsigned long sco_last_tx; | |
6ed58ec5 | 312 | unsigned long le_last_tx; |
1da177e4 | 313 | |
f48fd9c8 | 314 | struct workqueue_struct *workqueue; |
6ead1bbc | 315 | struct workqueue_struct *req_workqueue; |
f48fd9c8 | 316 | |
ab81cbf9 | 317 | struct work_struct power_on; |
3243553f | 318 | struct delayed_work power_off; |
c7741d16 | 319 | struct work_struct error_reset; |
ab81cbf9 | 320 | |
16ab91ab JH |
321 | __u16 discov_timeout; |
322 | struct delayed_work discov_off; | |
323 | ||
7d78525d JH |
324 | struct delayed_work service_cache; |
325 | ||
65cc2b49 | 326 | struct delayed_work cmd_timer; |
b78752cc MH |
327 | |
328 | struct work_struct rx_work; | |
c347b765 | 329 | struct work_struct cmd_work; |
3eff45ea | 330 | struct work_struct tx_work; |
1da177e4 | 331 | |
e68f072b | 332 | struct work_struct discov_update; |
2e93e53b | 333 | struct work_struct bg_scan_update; |
01b1cb87 | 334 | struct work_struct scan_update; |
53c0ba74 | 335 | struct work_struct connectable_update; |
aed1a885 | 336 | struct work_struct discoverable_update; |
7c1fbed2 JH |
337 | struct delayed_work le_scan_disable; |
338 | struct delayed_work le_scan_restart; | |
2e93e53b | 339 | |
1da177e4 LT |
340 | struct sk_buff_head rx_q; |
341 | struct sk_buff_head raw_q; | |
342 | struct sk_buff_head cmd_q; | |
343 | ||
344 | struct sk_buff *sent_cmd; | |
345 | ||
a6a67efd | 346 | struct mutex req_lock; |
1da177e4 LT |
347 | wait_queue_head_t req_wait_q; |
348 | __u32 req_status; | |
349 | __u32 req_result; | |
f60cb305 | 350 | struct sk_buff *req_skb; |
a5040efa | 351 | |
70db83c4 | 352 | void *smp_data; |
ef8efe4b | 353 | void *smp_bredr_data; |
2e58ef3e | 354 | |
30883512 | 355 | struct discovery_state discovery; |
1da177e4 LT |
356 | struct hci_conn_hash conn_hash; |
357 | ||
5c136e90 AG |
358 | struct list_head mgmt_pending; |
359 | struct list_head blacklist; | |
6659358e | 360 | struct list_head whitelist; |
2aeb9a1a | 361 | struct list_head uuids; |
55ed8ca1 | 362 | struct list_head link_keys; |
b899efaf | 363 | struct list_head long_term_keys; |
970c4e46 | 364 | struct list_head identity_resolving_keys; |
2763eda6 | 365 | struct list_head remote_oob_data; |
d2ab0ac1 | 366 | struct list_head le_white_list; |
15819a70 | 367 | struct list_head le_conn_params; |
77a77a30 | 368 | struct list_head pend_le_conns; |
66f8455a | 369 | struct list_head pend_le_reports; |
2763eda6 | 370 | |
1da177e4 LT |
371 | struct hci_dev_stats stat; |
372 | ||
70f23020 | 373 | atomic_t promisc; |
1da177e4 | 374 | |
ca325f69 MH |
375 | struct dentry *debugfs; |
376 | ||
a91f2e39 | 377 | struct device dev; |
1da177e4 | 378 | |
611b30f7 MH |
379 | struct rfkill *rfkill; |
380 | ||
eacb44df | 381 | DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); |
d23264a8 | 382 | |
8fa19098 | 383 | __s8 adv_tx_power; |
3f0f524b JH |
384 | __u8 adv_data[HCI_MAX_AD_LENGTH]; |
385 | __u8 adv_data_len; | |
f8e808bd MH |
386 | __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; |
387 | __u8 scan_rsp_data_len; | |
8fa19098 | 388 | |
d2609b34 FG |
389 | struct list_head adv_instances; |
390 | unsigned int adv_instance_cnt; | |
391 | __u8 cur_adv_instance; | |
5d900e46 FG |
392 | __u16 adv_instance_timeout; |
393 | struct delayed_work adv_instance_expire; | |
203fea01 | 394 | |
863efaf2 | 395 | __u8 irk[16]; |
d6bfd59c JH |
396 | __u32 rpa_timeout; |
397 | struct delayed_work rpa_expired; | |
2b5224dc | 398 | bdaddr_t rpa; |
863efaf2 | 399 | |
6d5d2ee6 HK |
400 | struct led_trigger *power_led; |
401 | ||
1da177e4 LT |
402 | int (*open)(struct hci_dev *hdev); |
403 | int (*close)(struct hci_dev *hdev); | |
404 | int (*flush)(struct hci_dev *hdev); | |
f41c70c4 | 405 | int (*setup)(struct hci_dev *hdev); |
a44fecbd | 406 | int (*shutdown)(struct hci_dev *hdev); |
7bd8f09f | 407 | int (*send)(struct hci_dev *hdev, struct sk_buff *skb); |
1da177e4 | 408 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
c7741d16 | 409 | void (*hw_error)(struct hci_dev *hdev, u8 code); |
98a63aaf | 410 | int (*post_init)(struct hci_dev *hdev); |
4b4113d6 | 411 | int (*set_diag)(struct hci_dev *hdev, bool enable); |
24c457e2 | 412 | int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); |
1da177e4 LT |
413 | }; |
414 | ||
53502d69 AE |
415 | #define HCI_PHY_HANDLE(handle) (handle & 0xff) |
416 | ||
1da177e4 LT |
417 | struct hci_conn { |
418 | struct list_head list; | |
419 | ||
adc4266d | 420 | atomic_t refcnt; |
adc4266d SJ |
421 | |
422 | bdaddr_t dst; | |
5a9d0a3f | 423 | __u8 dst_type; |
662e8820 | 424 | bdaddr_t src; |
e7c4096e | 425 | __u8 src_type; |
cb1d68f7 JH |
426 | bdaddr_t init_addr; |
427 | __u8 init_addr_type; | |
428 | bdaddr_t resp_addr; | |
429 | __u8 resp_addr_type; | |
adc4266d SJ |
430 | __u16 handle; |
431 | __u16 state; | |
432 | __u8 mode; | |
433 | __u8 type; | |
40bef302 | 434 | __u8 role; |
a0c808b3 | 435 | bool out; |
adc4266d SJ |
436 | __u8 attempt; |
437 | __u8 dev_class[3]; | |
cad718ed | 438 | __u8 features[HCI_MAX_PAGES][8]; |
adc4266d SJ |
439 | __u16 pkt_type; |
440 | __u16 link_policy; | |
13d39315 | 441 | __u8 key_type; |
adc4266d SJ |
442 | __u8 auth_type; |
443 | __u8 sec_level; | |
444 | __u8 pending_sec_level; | |
445 | __u8 pin_length; | |
726b4ffc | 446 | __u8 enc_key_size; |
adc4266d | 447 | __u8 io_capability; |
92a25256 JH |
448 | __u32 passkey_notify; |
449 | __u8 passkey_entered; | |
adc4266d | 450 | __u16 disc_timeout; |
09ae260b | 451 | __u16 conn_timeout; |
10c62ddc | 452 | __u16 setting; |
1e406eef AG |
453 | __u16 le_conn_min_interval; |
454 | __u16 le_conn_max_interval; | |
e04fde60 MH |
455 | __u16 le_conn_interval; |
456 | __u16 le_conn_latency; | |
457 | __u16 le_supv_timeout; | |
fd45ada9 AA |
458 | __u8 le_adv_data[HCI_MAX_AD_LENGTH]; |
459 | __u8 le_adv_data_len; | |
5ae76a94 | 460 | __s8 rssi; |
5a134fae | 461 | __s8 tx_power; |
d0455ed9 | 462 | __s8 max_tx_power; |
51a8efd7 | 463 | unsigned long flags; |
04837f64 | 464 | |
33f35721 JH |
465 | __u32 clock; |
466 | __u16 clock_accuracy; | |
467 | ||
dd983808 AK |
468 | unsigned long conn_info_timestamp; |
469 | ||
03b555e1 | 470 | __u8 remote_cap; |
03b555e1 | 471 | __u8 remote_auth; |
3161ae1c | 472 | __u8 remote_id; |
03b555e1 | 473 | |
adc4266d | 474 | unsigned int sent; |
04837f64 | 475 | |
1da177e4 | 476 | struct sk_buff_head data_q; |
2c33c06a | 477 | struct list_head chan_list; |
1da177e4 | 478 | |
19c40e3b | 479 | struct delayed_work disc_work; |
7bc18d9d | 480 | struct delayed_work auto_accept_work; |
a74a84f6 | 481 | struct delayed_work idle_work; |
9489eca4 | 482 | struct delayed_work le_conn_timeout; |
8ce783dc | 483 | struct work_struct le_scan_cleanup; |
04837f64 | 484 | |
b219e3ac | 485 | struct device dev; |
23b9ceb7 | 486 | struct dentry *debugfs; |
b219e3ac | 487 | |
1da177e4 LT |
488 | struct hci_dev *hdev; |
489 | void *l2cap_data; | |
490 | void *sco_data; | |
9740e49d | 491 | struct amp_mgr *amp_mgr; |
1da177e4 LT |
492 | |
493 | struct hci_conn *link; | |
e9a416b5 JH |
494 | |
495 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
496 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
497 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
498 | }; |
499 | ||
73d80deb LAD |
500 | struct hci_chan { |
501 | struct list_head list; | |
42c4e53e | 502 | __u16 handle; |
73d80deb LAD |
503 | struct hci_conn *conn; |
504 | struct sk_buff_head data_q; | |
505 | unsigned int sent; | |
168df8e5 | 506 | __u8 state; |
73d80deb LAD |
507 | }; |
508 | ||
15819a70 AG |
509 | struct hci_conn_params { |
510 | struct list_head list; | |
93450c75 | 511 | struct list_head action; |
15819a70 AG |
512 | |
513 | bdaddr_t addr; | |
514 | u8 addr_type; | |
515 | ||
516 | u16 conn_min_interval; | |
517 | u16 conn_max_interval; | |
f044eb05 MH |
518 | u16 conn_latency; |
519 | u16 supervision_timeout; | |
9fcb18ef AG |
520 | |
521 | enum { | |
522 | HCI_AUTO_CONN_DISABLED, | |
a3451d27 | 523 | HCI_AUTO_CONN_REPORT, |
4b9e7e75 | 524 | HCI_AUTO_CONN_DIRECT, |
9fcb18ef AG |
525 | HCI_AUTO_CONN_ALWAYS, |
526 | HCI_AUTO_CONN_LINK_LOSS, | |
158e9218 | 527 | HCI_AUTO_CONN_EXPLICIT, |
9fcb18ef | 528 | } auto_connect; |
f161dd41 JH |
529 | |
530 | struct hci_conn *conn; | |
158e9218 | 531 | bool explicit_connect; |
15819a70 AG |
532 | }; |
533 | ||
1da177e4 LT |
534 | extern struct list_head hci_dev_list; |
535 | extern struct list_head hci_cb_list; | |
536 | extern rwlock_t hci_dev_list_lock; | |
fba7ecf0 | 537 | extern struct mutex hci_cb_list_lock; |
1da177e4 | 538 | |
eacb44df MH |
539 | #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) |
540 | #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) | |
541 | #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) | |
542 | #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) | |
543 | #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) | |
544 | #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) | |
545 | #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) | |
546 | ||
547 | #define hci_dev_clear_volatile_flags(hdev) \ | |
548 | do { \ | |
549 | hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ | |
550 | hci_dev_clear_flag(hdev, HCI_LE_ADV); \ | |
551 | hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ | |
552 | } while (0) | |
516018a9 | 553 | |
686ebf28 | 554 | /* ----- HCI interface to upper protocols ----- */ |
e74e58f8 | 555 | int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); |
e74e58f8 | 556 | int l2cap_disconn_ind(struct hci_conn *hcon); |
9b4c3336 | 557 | void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); |
e74e58f8 | 558 | |
ff50e8af | 559 | #if IS_ENABLED(CONFIG_BT_BREDR) |
e74e58f8 | 560 | int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); |
9b4c3336 | 561 | void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); |
ff50e8af AW |
562 | #else |
563 | static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
564 | __u8 *flags) | |
565 | { | |
566 | return 0; | |
567 | } | |
568 | ||
569 | static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) | |
570 | { | |
571 | } | |
572 | #endif | |
686ebf28 | 573 | |
1da177e4 | 574 | /* ----- Inquiry cache ----- */ |
70f23020 AE |
575 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
576 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 | 577 | |
30883512 | 578 | static inline void discovery_init(struct hci_dev *hdev) |
1da177e4 | 579 | { |
ff9ef578 | 580 | hdev->discovery.state = DISCOVERY_STOPPED; |
30883512 JH |
581 | INIT_LIST_HEAD(&hdev->discovery.all); |
582 | INIT_LIST_HEAD(&hdev->discovery.unknown); | |
583 | INIT_LIST_HEAD(&hdev->discovery.resolve); | |
da25cf6a | 584 | hdev->discovery.report_invalid_rssi = true; |
37eab042 | 585 | hdev->discovery.rssi = HCI_RSSI_INVALID; |
1da177e4 LT |
586 | } |
587 | ||
0256325e MH |
588 | static inline void hci_discovery_filter_clear(struct hci_dev *hdev) |
589 | { | |
82f8b651 | 590 | hdev->discovery.result_filtering = false; |
da25cf6a | 591 | hdev->discovery.report_invalid_rssi = true; |
0256325e MH |
592 | hdev->discovery.rssi = HCI_RSSI_INVALID; |
593 | hdev->discovery.uuid_count = 0; | |
594 | kfree(hdev->discovery.uuids); | |
595 | hdev->discovery.uuids = NULL; | |
2d28cfe7 JP |
596 | hdev->discovery.scan_start = 0; |
597 | hdev->discovery.scan_duration = 0; | |
0256325e MH |
598 | } |
599 | ||
30dc78e1 JH |
600 | bool hci_discovery_active(struct hci_dev *hdev); |
601 | ||
ff9ef578 JH |
602 | void hci_discovery_set_state(struct hci_dev *hdev, int state); |
603 | ||
1da177e4 LT |
604 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
605 | { | |
30883512 | 606 | return list_empty(&hdev->discovery.all); |
1da177e4 LT |
607 | } |
608 | ||
609 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
610 | { | |
30883512 | 611 | struct discovery_state *c = &hdev->discovery; |
1da177e4 LT |
612 | return jiffies - c->timestamp; |
613 | } | |
614 | ||
615 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
616 | { | |
617 | return jiffies - e->timestamp; | |
618 | } | |
619 | ||
5a9d0a3f | 620 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
04124681 | 621 | bdaddr_t *bdaddr); |
561aafbc | 622 | struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, |
04124681 | 623 | bdaddr_t *bdaddr); |
30dc78e1 | 624 | struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, |
04124681 GP |
625 | bdaddr_t *bdaddr, |
626 | int state); | |
a3d4e20a | 627 | void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, |
04124681 | 628 | struct inquiry_entry *ie); |
af58925c MH |
629 | u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, |
630 | bool name_known); | |
1f9b9a5d | 631 | void hci_inquiry_cache_flush(struct hci_dev *hdev); |
1da177e4 LT |
632 | |
633 | /* ----- HCI Connections ----- */ | |
634 | enum { | |
635 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 636 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 637 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
638 | HCI_CONN_RSWITCH_PEND, |
639 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 640 | HCI_CONN_SCO_SETUP_PEND, |
b644ba33 | 641 | HCI_CONN_MGMT_CONNECTED, |
58a681ef | 642 | HCI_CONN_SSP_ENABLED, |
eb9a8f3f | 643 | HCI_CONN_SC_ENABLED, |
abf76bad | 644 | HCI_CONN_AES_CCM, |
58a681ef | 645 | HCI_CONN_POWER_SAVE, |
af6a9c32 | 646 | HCI_CONN_FLUSH_KEY, |
4dae2798 JH |
647 | HCI_CONN_ENCRYPT, |
648 | HCI_CONN_AUTH, | |
649 | HCI_CONN_SECURE, | |
650 | HCI_CONN_FIPS, | |
fe59a05f | 651 | HCI_CONN_STK_ENCRYPT, |
977f8fce | 652 | HCI_CONN_AUTH_INITIATOR, |
f94b665d | 653 | HCI_CONN_DROP, |
89cbb063 | 654 | HCI_CONN_PARAM_REMOVAL_PEND, |
fe8bc5ac | 655 | HCI_CONN_NEW_LINK_KEY, |
158e9218 | 656 | HCI_CONN_SCANNING, |
160b9251 | 657 | HCI_CONN_AUTH_FAILURE, |
1da177e4 LT |
658 | }; |
659 | ||
aa64a8b5 JH |
660 | static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) |
661 | { | |
662 | struct hci_dev *hdev = conn->hdev; | |
d7a5a11d | 663 | return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && |
c3c7ea65 | 664 | test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
aa64a8b5 JH |
665 | } |
666 | ||
eb9a8f3f MH |
667 | static inline bool hci_conn_sc_enabled(struct hci_conn *conn) |
668 | { | |
669 | struct hci_dev *hdev = conn->hdev; | |
d7a5a11d | 670 | return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && |
eb9a8f3f MH |
671 | test_bit(HCI_CONN_SC_ENABLED, &conn->flags); |
672 | } | |
673 | ||
1da177e4 LT |
674 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) |
675 | { | |
676 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 | 677 | list_add_rcu(&c->list, &h->list); |
fcd89c09 VT |
678 | switch (c->type) { |
679 | case ACL_LINK: | |
1da177e4 | 680 | h->acl_num++; |
fcd89c09 | 681 | break; |
bd1eb66b AE |
682 | case AMP_LINK: |
683 | h->amp_num++; | |
684 | break; | |
fcd89c09 VT |
685 | case LE_LINK: |
686 | h->le_num++; | |
f8218dc6 JH |
687 | if (c->role == HCI_ROLE_SLAVE) |
688 | h->le_num_slave++; | |
fcd89c09 VT |
689 | break; |
690 | case SCO_LINK: | |
691 | case ESCO_LINK: | |
1da177e4 | 692 | h->sco_num++; |
fcd89c09 VT |
693 | break; |
694 | } | |
1da177e4 LT |
695 | } |
696 | ||
697 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
698 | { | |
699 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 GP |
700 | |
701 | list_del_rcu(&c->list); | |
702 | synchronize_rcu(); | |
703 | ||
fcd89c09 VT |
704 | switch (c->type) { |
705 | case ACL_LINK: | |
1da177e4 | 706 | h->acl_num--; |
fcd89c09 | 707 | break; |
bd1eb66b AE |
708 | case AMP_LINK: |
709 | h->amp_num--; | |
710 | break; | |
fcd89c09 VT |
711 | case LE_LINK: |
712 | h->le_num--; | |
f8218dc6 JH |
713 | if (c->role == HCI_ROLE_SLAVE) |
714 | h->le_num_slave--; | |
fcd89c09 VT |
715 | break; |
716 | case SCO_LINK: | |
717 | case ESCO_LINK: | |
1da177e4 | 718 | h->sco_num--; |
fcd89c09 VT |
719 | break; |
720 | } | |
1da177e4 LT |
721 | } |
722 | ||
52087a79 LAD |
723 | static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) |
724 | { | |
725 | struct hci_conn_hash *h = &hdev->conn_hash; | |
726 | switch (type) { | |
727 | case ACL_LINK: | |
728 | return h->acl_num; | |
bd1eb66b AE |
729 | case AMP_LINK: |
730 | return h->amp_num; | |
52087a79 LAD |
731 | case LE_LINK: |
732 | return h->le_num; | |
733 | case SCO_LINK: | |
734 | case ESCO_LINK: | |
735 | return h->sco_num; | |
736 | default: | |
737 | return 0; | |
738 | } | |
739 | } | |
740 | ||
f4f07505 JH |
741 | static inline unsigned int hci_conn_count(struct hci_dev *hdev) |
742 | { | |
743 | struct hci_conn_hash *c = &hdev->conn_hash; | |
744 | ||
745 | return c->acl_num + c->amp_num + c->sco_num + c->le_num; | |
746 | } | |
747 | ||
845472e8 MH |
748 | static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) |
749 | { | |
750 | struct hci_conn_hash *h = &hdev->conn_hash; | |
751 | struct hci_conn *c; | |
752 | __u8 type = INVALID_LINK; | |
753 | ||
754 | rcu_read_lock(); | |
755 | ||
756 | list_for_each_entry_rcu(c, &h->list, list) { | |
757 | if (c->handle == handle) { | |
758 | type = c->type; | |
759 | break; | |
760 | } | |
761 | } | |
762 | ||
763 | rcu_read_unlock(); | |
764 | ||
765 | return type; | |
766 | } | |
767 | ||
1da177e4 | 768 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, |
adc4266d | 769 | __u16 handle) |
1da177e4 LT |
770 | { |
771 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
772 | struct hci_conn *c; |
773 | ||
bf4c6325 GP |
774 | rcu_read_lock(); |
775 | ||
776 | list_for_each_entry_rcu(c, &h->list, list) { | |
777 | if (c->handle == handle) { | |
778 | rcu_read_unlock(); | |
1da177e4 | 779 | return c; |
bf4c6325 | 780 | } |
1da177e4 | 781 | } |
bf4c6325 GP |
782 | rcu_read_unlock(); |
783 | ||
1da177e4 LT |
784 | return NULL; |
785 | } | |
786 | ||
787 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 788 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
789 | { |
790 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
791 | struct hci_conn *c; |
792 | ||
bf4c6325 GP |
793 | rcu_read_lock(); |
794 | ||
795 | list_for_each_entry_rcu(c, &h->list, list) { | |
796 | if (c->type == type && !bacmp(&c->dst, ba)) { | |
797 | rcu_read_unlock(); | |
1da177e4 | 798 | return c; |
bf4c6325 | 799 | } |
1da177e4 | 800 | } |
bf4c6325 GP |
801 | |
802 | rcu_read_unlock(); | |
803 | ||
1da177e4 LT |
804 | return NULL; |
805 | } | |
806 | ||
1b51c7b6 JH |
807 | static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, |
808 | bdaddr_t *ba, | |
809 | __u8 ba_type) | |
810 | { | |
811 | struct hci_conn_hash *h = &hdev->conn_hash; | |
812 | struct hci_conn *c; | |
813 | ||
814 | rcu_read_lock(); | |
815 | ||
816 | list_for_each_entry_rcu(c, &h->list, list) { | |
817 | if (c->type != LE_LINK) | |
818 | continue; | |
819 | ||
820 | if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { | |
821 | rcu_read_unlock(); | |
822 | return c; | |
823 | } | |
824 | } | |
825 | ||
826 | rcu_read_unlock(); | |
827 | ||
828 | return NULL; | |
829 | } | |
830 | ||
4c67bc74 | 831 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 832 | __u8 type, __u16 state) |
4c67bc74 MH |
833 | { |
834 | struct hci_conn_hash *h = &hdev->conn_hash; | |
4c67bc74 MH |
835 | struct hci_conn *c; |
836 | ||
bf4c6325 GP |
837 | rcu_read_lock(); |
838 | ||
839 | list_for_each_entry_rcu(c, &h->list, list) { | |
840 | if (c->type == type && c->state == state) { | |
841 | rcu_read_unlock(); | |
4c67bc74 | 842 | return c; |
bf4c6325 | 843 | } |
4c67bc74 | 844 | } |
73d80deb | 845 | |
bf4c6325 | 846 | rcu_read_unlock(); |
73d80deb | 847 | |
4c67bc74 | 848 | return NULL; |
73d80deb LAD |
849 | } |
850 | ||
e7d9ab73 JP |
851 | static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) |
852 | { | |
853 | struct hci_conn_hash *h = &hdev->conn_hash; | |
854 | struct hci_conn *c; | |
855 | ||
856 | rcu_read_lock(); | |
857 | ||
858 | list_for_each_entry_rcu(c, &h->list, list) { | |
859 | if (c->type == LE_LINK && c->state == BT_CONNECT && | |
860 | !test_bit(HCI_CONN_SCANNING, &c->flags)) { | |
861 | rcu_read_unlock(); | |
862 | return c; | |
863 | } | |
864 | } | |
865 | ||
866 | rcu_read_unlock(); | |
867 | ||
868 | return NULL; | |
869 | } | |
870 | ||
e3b679d5 | 871 | int hci_disconnect(struct hci_conn *conn, __u8 reason); |
2dea632f | 872 | bool hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 873 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 | 874 | |
a5c4e309 JH |
875 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, |
876 | u8 role); | |
a9de9248 MH |
877 | int hci_conn_del(struct hci_conn *conn); |
878 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
879 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 880 | |
73d80deb | 881 | struct hci_chan *hci_chan_create(struct hci_conn *conn); |
9472007c | 882 | void hci_chan_del(struct hci_chan *chan); |
2c33c06a | 883 | void hci_chan_list_flush(struct hci_conn *conn); |
42c4e53e | 884 | struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); |
73d80deb | 885 | |
f75113a2 JP |
886 | struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, |
887 | u8 dst_type, u8 sec_level, | |
0ad06aa6 | 888 | u16 conn_timeout); |
04a6c589 | 889 | struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, |
cdd6275e | 890 | u8 dst_type, u8 sec_level, u16 conn_timeout, |
e804d25d | 891 | u8 role); |
04a6c589 AG |
892 | struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, |
893 | u8 sec_level, u8 auth_type); | |
10c62ddc FD |
894 | struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, |
895 | __u16 setting); | |
e7c29cb1 | 896 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 897 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
e7cafc45 JH |
898 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, |
899 | bool initiator); | |
8c1b2355 | 900 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 901 | |
14b12d0b | 902 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
1da177e4 | 903 | |
06c053fb AG |
904 | void hci_le_conn_failed(struct hci_conn *conn, u8 status); |
905 | ||
8d12356f DH |
906 | /* |
907 | * hci_conn_get() and hci_conn_put() are used to control the life-time of an | |
908 | * "hci_conn" object. They do not guarantee that the hci_conn object is running, | |
909 | * working or anything else. They just guarantee that the object is available | |
910 | * and can be dereferenced. So you can use its locks, local variables and any | |
911 | * other constant data. | |
912 | * Before accessing runtime data, you _must_ lock the object and then check that | |
913 | * it is still running. As soon as you release the locks, the connection might | |
914 | * get dropped, though. | |
915 | * | |
916 | * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control | |
917 | * how long the underlying connection is held. So every channel that runs on the | |
918 | * hci_conn object calls this to prevent the connection from disappearing. As | |
919 | * long as you hold a device, you must also guarantee that you have a valid | |
920 | * reference to the device via hci_conn_get() (or the initial reference from | |
921 | * hci_conn_add()). | |
922 | * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't | |
923 | * break because nobody cares for that. But this means, we cannot use | |
924 | * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). | |
925 | */ | |
926 | ||
51bb8457 | 927 | static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) |
8d12356f DH |
928 | { |
929 | get_device(&conn->dev); | |
51bb8457 | 930 | return conn; |
8d12356f DH |
931 | } |
932 | ||
933 | static inline void hci_conn_put(struct hci_conn *conn) | |
934 | { | |
935 | put_device(&conn->dev); | |
936 | } | |
937 | ||
1da177e4 LT |
938 | static inline void hci_conn_hold(struct hci_conn *conn) |
939 | { | |
71becf0c | 940 | BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); |
38b3fef1 | 941 | |
1da177e4 | 942 | atomic_inc(&conn->refcnt); |
2f304d1e | 943 | cancel_delayed_work(&conn->disc_work); |
1da177e4 LT |
944 | } |
945 | ||
76a68ba0 | 946 | static inline void hci_conn_drop(struct hci_conn *conn) |
1da177e4 | 947 | { |
71becf0c | 948 | BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); |
38b3fef1 | 949 | |
1da177e4 | 950 | if (atomic_dec_and_test(&conn->refcnt)) { |
04837f64 | 951 | unsigned long timeo; |
716e4ab5 AE |
952 | |
953 | switch (conn->type) { | |
954 | case ACL_LINK: | |
955 | case LE_LINK: | |
a74a84f6 | 956 | cancel_delayed_work(&conn->idle_work); |
6ac59344 | 957 | if (conn->state == BT_CONNECTED) { |
5f246e89 | 958 | timeo = conn->disc_timeout; |
6ac59344 | 959 | if (!conn->out) |
052b30b0 | 960 | timeo *= 2; |
5a9d0a3f | 961 | } else { |
eb78d7e5 | 962 | timeo = 0; |
5a9d0a3f | 963 | } |
716e4ab5 AE |
964 | break; |
965 | ||
966 | case AMP_LINK: | |
967 | timeo = conn->disc_timeout; | |
968 | break; | |
969 | ||
970 | default: | |
eb78d7e5 | 971 | timeo = 0; |
716e4ab5 | 972 | break; |
5a9d0a3f | 973 | } |
716e4ab5 | 974 | |
2f304d1e | 975 | cancel_delayed_work(&conn->disc_work); |
19c40e3b | 976 | queue_delayed_work(conn->hdev->workqueue, |
716e4ab5 | 977 | &conn->disc_work, timeo); |
1da177e4 LT |
978 | } |
979 | } | |
980 | ||
1da177e4 | 981 | /* ----- HCI Devices ----- */ |
dc946bd8 | 982 | static inline void hci_dev_put(struct hci_dev *d) |
1da177e4 | 983 | { |
376261ae AE |
984 | BT_DBG("%s orig refcnt %d", d->name, |
985 | atomic_read(&d->dev.kobj.kref.refcount)); | |
986 | ||
4c724c71 | 987 | put_device(&d->dev); |
1da177e4 LT |
988 | } |
989 | ||
dc946bd8 | 990 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
1da177e4 | 991 | { |
376261ae AE |
992 | BT_DBG("%s orig refcnt %d", d->name, |
993 | atomic_read(&d->dev.kobj.kref.refcount)); | |
994 | ||
4c724c71 | 995 | get_device(&d->dev); |
1da177e4 LT |
996 | return d; |
997 | } | |
998 | ||
09fd0de5 GP |
999 | #define hci_dev_lock(d) mutex_lock(&d->lock) |
1000 | #define hci_dev_unlock(d) mutex_unlock(&d->lock) | |
1da177e4 | 1001 | |
aa2b86d7 | 1002 | #define to_hci_dev(d) container_of(d, struct hci_dev, dev) |
3dc07322 | 1003 | #define to_hci_conn(c) container_of(c, struct hci_conn, dev) |
aa2b86d7 | 1004 | |
155961e8 DH |
1005 | static inline void *hci_get_drvdata(struct hci_dev *hdev) |
1006 | { | |
1007 | return dev_get_drvdata(&hdev->dev); | |
1008 | } | |
1009 | ||
1010 | static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) | |
1011 | { | |
1012 | dev_set_drvdata(&hdev->dev, data); | |
1013 | } | |
1014 | ||
1da177e4 | 1015 | struct hci_dev *hci_dev_get(int index); |
0c0afedf | 1016 | struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); |
1da177e4 LT |
1017 | |
1018 | struct hci_dev *hci_alloc_dev(void); | |
1019 | void hci_free_dev(struct hci_dev *hdev); | |
1020 | int hci_register_dev(struct hci_dev *hdev); | |
59735631 | 1021 | void hci_unregister_dev(struct hci_dev *hdev); |
1da177e4 LT |
1022 | int hci_suspend_dev(struct hci_dev *hdev); |
1023 | int hci_resume_dev(struct hci_dev *hdev); | |
75e0569f | 1024 | int hci_reset_dev(struct hci_dev *hdev); |
f962fe32 MH |
1025 | int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); |
1026 | int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); | |
1da177e4 LT |
1027 | int hci_dev_open(__u16 dev); |
1028 | int hci_dev_close(__u16 dev); | |
6b3cc1db | 1029 | int hci_dev_do_close(struct hci_dev *hdev); |
1da177e4 LT |
1030 | int hci_dev_reset(__u16 dev); |
1031 | int hci_dev_reset_stat(__u16 dev); | |
1032 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
1033 | int hci_get_dev_list(void __user *arg); | |
1034 | int hci_get_dev_info(void __user *arg); | |
1035 | int hci_get_conn_list(void __user *arg); | |
1036 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 1037 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
1038 | int hci_inquiry(void __user *arg); |
1039 | ||
dcc36c16 JH |
1040 | struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, |
1041 | bdaddr_t *bdaddr, u8 type); | |
1042 | int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); | |
1043 | int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); | |
1044 | void hci_bdaddr_list_clear(struct list_head *list); | |
d2ab0ac1 | 1045 | |
15819a70 AG |
1046 | struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, |
1047 | bdaddr_t *addr, u8 addr_type); | |
51d167c0 MH |
1048 | struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, |
1049 | bdaddr_t *addr, u8 addr_type); | |
15819a70 | 1050 | void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); |
55af49a8 | 1051 | void hci_conn_params_clear_disabled(struct hci_dev *hdev); |
15819a70 | 1052 | |
501f8827 JH |
1053 | struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, |
1054 | bdaddr_t *addr, | |
1055 | u8 addr_type); | |
77a77a30 | 1056 | |
35f7498a | 1057 | void hci_uuids_clear(struct hci_dev *hdev); |
2aeb9a1a | 1058 | |
35f7498a | 1059 | void hci_link_keys_clear(struct hci_dev *hdev); |
55ed8ca1 | 1060 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
567fa2aa | 1061 | struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, |
7652ff6a JH |
1062 | bdaddr_t *bdaddr, u8 *val, u8 type, |
1063 | u8 pin_len, bool *persistent); | |
ca9142b8 | 1064 | struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, |
35d70271 | 1065 | u8 addr_type, u8 type, u8 authenticated, |
fe39c7b2 | 1066 | u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); |
f3a73d97 JH |
1067 | struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1068 | u8 addr_type, u8 role); | |
e0b2b27e | 1069 | int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); |
35f7498a | 1070 | void hci_smp_ltks_clear(struct hci_dev *hdev); |
55ed8ca1 JH |
1071 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
1072 | ||
970c4e46 JH |
1073 | struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); |
1074 | struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
1075 | u8 addr_type); | |
ca9142b8 JH |
1076 | struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1077 | u8 addr_type, u8 val[16], bdaddr_t *rpa); | |
a7ec7338 | 1078 | void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); |
970c4e46 JH |
1079 | void hci_smp_irks_clear(struct hci_dev *hdev); |
1080 | ||
55e76b38 JH |
1081 | bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
1082 | ||
35f7498a | 1083 | void hci_remote_oob_data_clear(struct hci_dev *hdev); |
2763eda6 | 1084 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, |
6928a924 | 1085 | bdaddr_t *bdaddr, u8 bdaddr_type); |
0798872e | 1086 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, |
6928a924 | 1087 | u8 bdaddr_type, u8 *hash192, u8 *rand192, |
81328d5c | 1088 | u8 *hash256, u8 *rand256); |
6928a924 JH |
1089 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1090 | u8 bdaddr_type); | |
2763eda6 | 1091 | |
d2609b34 FG |
1092 | void hci_adv_instances_clear(struct hci_dev *hdev); |
1093 | struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); | |
1094 | struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); | |
1095 | int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, | |
1096 | u16 adv_data_len, u8 *adv_data, | |
1097 | u16 scan_rsp_len, u8 *scan_rsp_data, | |
1098 | u16 timeout, u16 duration); | |
1099 | int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); | |
1100 | ||
1da177e4 LT |
1101 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
1102 | ||
0ac7e700 | 1103 | void hci_init_sysfs(struct hci_dev *hdev); |
a67e899c | 1104 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
1105 | void hci_conn_add_sysfs(struct hci_conn *conn); |
1106 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 1107 | |
6935e0f5 | 1108 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) |
1da177e4 LT |
1109 | |
1110 | /* ----- LMP capabilities ----- */ | |
cad718ed JH |
1111 | #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) |
1112 | #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) | |
1113 | #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) | |
1114 | #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) | |
1115 | #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) | |
1116 | #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) | |
1117 | #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) | |
1118 | #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) | |
1119 | #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) | |
1120 | #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) | |
1121 | #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) | |
1122 | #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) | |
1123 | #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) | |
1124 | #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) | |
1125 | #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) | |
1126 | #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) | |
1127 | #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) | |
1128 | #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) | |
07a5c61e | 1129 | #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) |
1da177e4 | 1130 | |
eead27da | 1131 | /* ----- Extended LMP capabilities ----- */ |
53b834d2 MH |
1132 | #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) |
1133 | #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) | |
1134 | #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) | |
1135 | #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) | |
d5991585 MH |
1136 | #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) |
1137 | #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) | |
53b834d2 MH |
1138 | |
1139 | /* ----- Host capabilities ----- */ | |
cad718ed | 1140 | #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) |
d5991585 | 1141 | #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) |
cad718ed JH |
1142 | #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) |
1143 | #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) | |
eead27da | 1144 | |
d7a5a11d MH |
1145 | #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ |
1146 | !hci_dev_test_flag(dev, HCI_AUTO_OFF)) | |
1147 | #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ | |
1148 | hci_dev_test_flag(dev, HCI_SC_ENABLED)) | |
432df05e | 1149 | |
1da177e4 | 1150 | /* ----- HCI protocols ----- */ |
20714bfe FD |
1151 | #define HCI_PROTO_DEFER 0x01 |
1152 | ||
5a9d0a3f | 1153 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
20714bfe | 1154 | __u8 type, __u8 *flags) |
1da177e4 | 1155 | { |
686ebf28 UF |
1156 | switch (type) { |
1157 | case ACL_LINK: | |
1158 | return l2cap_connect_ind(hdev, bdaddr); | |
1da177e4 | 1159 | |
686ebf28 UF |
1160 | case SCO_LINK: |
1161 | case ESCO_LINK: | |
20714bfe | 1162 | return sco_connect_ind(hdev, bdaddr, flags); |
1da177e4 | 1163 | |
686ebf28 UF |
1164 | default: |
1165 | BT_ERR("unknown link type %d", type); | |
1166 | return -EINVAL; | |
1167 | } | |
1da177e4 LT |
1168 | } |
1169 | ||
2950f21a | 1170 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 | 1171 | { |
686ebf28 UF |
1172 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
1173 | return HCI_ERROR_REMOTE_USER_TERM; | |
1da177e4 | 1174 | |
686ebf28 | 1175 | return l2cap_disconn_ind(conn); |
2950f21a MH |
1176 | } |
1177 | ||
1da177e4 LT |
1178 | /* ----- HCI callbacks ----- */ |
1179 | struct hci_cb { | |
1180 | struct list_head list; | |
1181 | ||
1182 | char *name; | |
1183 | ||
539c496d | 1184 | void (*connect_cfm) (struct hci_conn *conn, __u8 status); |
3a6d576b | 1185 | void (*disconn_cfm) (struct hci_conn *conn, __u8 status); |
5a9d0a3f WR |
1186 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
1187 | __u8 encrypt); | |
1da177e4 LT |
1188 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
1189 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
1190 | }; | |
1191 | ||
539c496d JH |
1192 | static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) |
1193 | { | |
1194 | struct hci_cb *cb; | |
1195 | ||
1196 | mutex_lock(&hci_cb_list_lock); | |
1197 | list_for_each_entry(cb, &hci_cb_list, list) { | |
1198 | if (cb->connect_cfm) | |
1199 | cb->connect_cfm(conn, status); | |
1200 | } | |
1201 | mutex_unlock(&hci_cb_list_lock); | |
1202 | ||
1203 | if (conn->connect_cfm_cb) | |
1204 | conn->connect_cfm_cb(conn, status); | |
1205 | } | |
1206 | ||
3a6d576b JH |
1207 | static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) |
1208 | { | |
1209 | struct hci_cb *cb; | |
1210 | ||
1211 | mutex_lock(&hci_cb_list_lock); | |
1212 | list_for_each_entry(cb, &hci_cb_list, list) { | |
1213 | if (cb->disconn_cfm) | |
1214 | cb->disconn_cfm(conn, reason); | |
1215 | } | |
1216 | mutex_unlock(&hci_cb_list_lock); | |
1217 | ||
1218 | if (conn->disconn_cfm_cb) | |
1219 | conn->disconn_cfm_cb(conn, reason); | |
1220 | } | |
1221 | ||
1da177e4 LT |
1222 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) |
1223 | { | |
711584ea | 1224 | struct hci_cb *cb; |
8c1b2355 | 1225 | __u8 encrypt; |
1da177e4 | 1226 | |
51a8efd7 | 1227 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
1228 | return; |
1229 | ||
4dae2798 | 1230 | encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; |
8c1b2355 | 1231 | |
fba7ecf0 | 1232 | mutex_lock(&hci_cb_list_lock); |
711584ea | 1233 | list_for_each_entry(cb, &hci_cb_list, list) { |
8c1b2355 MH |
1234 | if (cb->security_cfm) |
1235 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 1236 | } |
fba7ecf0 | 1237 | mutex_unlock(&hci_cb_list_lock); |
354fe804 JH |
1238 | |
1239 | if (conn->security_cfm_cb) | |
1240 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
1241 | } |
1242 | ||
5a9d0a3f WR |
1243 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
1244 | __u8 encrypt) | |
1da177e4 | 1245 | { |
711584ea | 1246 | struct hci_cb *cb; |
1da177e4 | 1247 | |
435fef20 MH |
1248 | if (conn->sec_level == BT_SECURITY_SDP) |
1249 | conn->sec_level = BT_SECURITY_LOW; | |
1250 | ||
88167aed VCG |
1251 | if (conn->pending_sec_level > conn->sec_level) |
1252 | conn->sec_level = conn->pending_sec_level; | |
1253 | ||
fba7ecf0 | 1254 | mutex_lock(&hci_cb_list_lock); |
711584ea | 1255 | list_for_each_entry(cb, &hci_cb_list, list) { |
8c1b2355 MH |
1256 | if (cb->security_cfm) |
1257 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 1258 | } |
fba7ecf0 | 1259 | mutex_unlock(&hci_cb_list_lock); |
354fe804 JH |
1260 | |
1261 | if (conn->security_cfm_cb) | |
1262 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
1263 | } |
1264 | ||
1265 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
1266 | { | |
711584ea | 1267 | struct hci_cb *cb; |
1da177e4 | 1268 | |
fba7ecf0 | 1269 | mutex_lock(&hci_cb_list_lock); |
711584ea | 1270 | list_for_each_entry(cb, &hci_cb_list, list) { |
1da177e4 LT |
1271 | if (cb->key_change_cfm) |
1272 | cb->key_change_cfm(conn, status); | |
1273 | } | |
fba7ecf0 | 1274 | mutex_unlock(&hci_cb_list_lock); |
1da177e4 LT |
1275 | } |
1276 | ||
5a9d0a3f WR |
1277 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
1278 | __u8 role) | |
1da177e4 | 1279 | { |
711584ea | 1280 | struct hci_cb *cb; |
1da177e4 | 1281 | |
fba7ecf0 | 1282 | mutex_lock(&hci_cb_list_lock); |
711584ea | 1283 | list_for_each_entry(cb, &hci_cb_list, list) { |
1da177e4 LT |
1284 | if (cb->role_switch_cfm) |
1285 | cb->role_switch_cfm(conn, status, role); | |
1286 | } | |
fba7ecf0 | 1287 | mutex_unlock(&hci_cb_list_lock); |
1da177e4 LT |
1288 | } |
1289 | ||
0d3b7f64 JH |
1290 | static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, |
1291 | size_t *data_len) | |
6759a675 | 1292 | { |
84d9d071 | 1293 | size_t parsed = 0; |
6759a675 | 1294 | |
0d3b7f64 JH |
1295 | if (eir_len < 2) |
1296 | return NULL; | |
6c0c331e | 1297 | |
0d3b7f64 JH |
1298 | while (parsed < eir_len - 1) { |
1299 | u8 field_len = eir[0]; | |
6759a675 JH |
1300 | |
1301 | if (field_len == 0) | |
1302 | break; | |
1303 | ||
1304 | parsed += field_len + 1; | |
1305 | ||
0d3b7f64 | 1306 | if (parsed > eir_len) |
6759a675 JH |
1307 | break; |
1308 | ||
0d3b7f64 JH |
1309 | if (eir[1] != type) { |
1310 | eir += field_len + 1; | |
1311 | continue; | |
1312 | } | |
1313 | ||
1314 | /* Zero length data */ | |
1315 | if (field_len == 1) | |
1316 | return NULL; | |
6759a675 | 1317 | |
0d3b7f64 JH |
1318 | if (data_len) |
1319 | *data_len = field_len - 1; | |
1320 | ||
1321 | return &eir[2]; | |
6759a675 JH |
1322 | } |
1323 | ||
0d3b7f64 | 1324 | return NULL; |
6759a675 JH |
1325 | } |
1326 | ||
301cb2d8 JH |
1327 | static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) |
1328 | { | |
dbbfa2ab | 1329 | if (addr_type != ADDR_LE_DEV_RANDOM) |
301cb2d8 JH |
1330 | return false; |
1331 | ||
1332 | if ((bdaddr->b[5] & 0xc0) == 0x40) | |
1333 | return true; | |
1334 | ||
1335 | return false; | |
1336 | } | |
1337 | ||
c46245b3 JH |
1338 | static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) |
1339 | { | |
1340 | if (addr_type == ADDR_LE_DEV_PUBLIC) | |
1341 | return true; | |
1342 | ||
1343 | /* Check for Random Static address type */ | |
1344 | if ((addr->b[5] & 0xc0) == 0xc0) | |
1345 | return true; | |
1346 | ||
1347 | return false; | |
1348 | } | |
1349 | ||
2426f3a5 JH |
1350 | static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, |
1351 | bdaddr_t *bdaddr, u8 addr_type) | |
1352 | { | |
1353 | if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) | |
1354 | return NULL; | |
1355 | ||
1356 | return hci_find_irk_by_rpa(hdev, bdaddr); | |
1357 | } | |
1358 | ||
d4905f24 AG |
1359 | static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, |
1360 | u16 to_multiplier) | |
1361 | { | |
1362 | u16 max_latency; | |
1363 | ||
1364 | if (min > max || min < 6 || max > 3200) | |
1365 | return -EINVAL; | |
1366 | ||
1367 | if (to_multiplier < 10 || to_multiplier > 3200) | |
1368 | return -EINVAL; | |
1369 | ||
1370 | if (max >= to_multiplier * 8) | |
1371 | return -EINVAL; | |
1372 | ||
8757825b | 1373 | max_latency = (to_multiplier * 4 / max) - 1; |
d4905f24 AG |
1374 | if (latency > 499 || latency > max_latency) |
1375 | return -EINVAL; | |
1376 | ||
1377 | return 0; | |
1378 | } | |
1379 | ||
1da177e4 LT |
1380 | int hci_register_cb(struct hci_cb *hcb); |
1381 | int hci_unregister_cb(struct hci_cb *hcb); | |
1382 | ||
75e84b7c | 1383 | struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, |
07dc93dd | 1384 | const void *param, u32 timeout); |
7b1abbbe | 1385 | struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, |
07dc93dd | 1386 | const void *param, u8 event, u32 timeout); |
75e84b7c | 1387 | |
07dc93dd JH |
1388 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, |
1389 | const void *param); | |
73d80deb | 1390 | void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); |
0d861d8b | 1391 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 1392 | |
a9de9248 | 1393 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 | 1394 | |
fbef168f LP |
1395 | struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, |
1396 | const void *param, u32 timeout); | |
1397 | ||
1da177e4 | 1398 | /* ----- HCI Sockets ----- */ |
470fe1b5 | 1399 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); |
7129069e | 1400 | void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, |
c08b1a1d | 1401 | int flag, struct sock *skip_sk); |
cd82e61c | 1402 | void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); |
1da177e4 | 1403 | |
040030ef MH |
1404 | void hci_sock_dev_event(struct hci_dev *hdev, int event); |
1405 | ||
a958452a MH |
1406 | #define HCI_MGMT_VAR_LEN BIT(0) |
1407 | #define HCI_MGMT_NO_HDEV BIT(1) | |
1408 | #define HCI_MGMT_UNTRUSTED BIT(2) | |
1409 | #define HCI_MGMT_UNCONFIGURED BIT(3) | |
b9a245fb | 1410 | |
801c1e8d JH |
1411 | struct hci_mgmt_handler { |
1412 | int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, | |
1413 | u16 data_len); | |
801c1e8d | 1414 | size_t data_len; |
b9a245fb | 1415 | unsigned long flags; |
801c1e8d JH |
1416 | }; |
1417 | ||
1418 | struct hci_mgmt_chan { | |
1419 | struct list_head list; | |
1420 | unsigned short channel; | |
1421 | size_t handler_count; | |
1422 | const struct hci_mgmt_handler *handlers; | |
88b94ce9 | 1423 | void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); |
801c1e8d JH |
1424 | }; |
1425 | ||
1426 | int hci_mgmt_chan_register(struct hci_mgmt_chan *c); | |
1427 | void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); | |
1428 | ||
0381101f | 1429 | /* Management interface */ |
591f47f3 AG |
1430 | #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) |
1431 | #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ | |
1432 | BIT(BDADDR_LE_RANDOM)) | |
1433 | #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ | |
1434 | BIT(BDADDR_LE_PUBLIC) | \ | |
1435 | BIT(BDADDR_LE_RANDOM)) | |
f39799f5 | 1436 | |
0d8cc935 AG |
1437 | /* These LE scan and inquiry parameters were chosen according to LE General |
1438 | * Discovery Procedure specification. | |
1439 | */ | |
1440 | #define DISCOV_LE_SCAN_WIN 0x12 | |
1441 | #define DISCOV_LE_SCAN_INT 0x12 | |
3d5a76f0 | 1442 | #define DISCOV_LE_TIMEOUT 10240 /* msec */ |
ae55f598 | 1443 | #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ |
0d8cc935 AG |
1444 | #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 |
1445 | #define DISCOV_BREDR_INQUIRY_LEN 0x08 | |
4b0e0ced | 1446 | #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ |
0d8cc935 | 1447 | |
91a668b0 | 1448 | int mgmt_new_settings(struct hci_dev *hdev); |
bf6b56db MH |
1449 | void mgmt_index_added(struct hci_dev *hdev); |
1450 | void mgmt_index_removed(struct hci_dev *hdev); | |
3eec705e | 1451 | void mgmt_set_powered_failed(struct hci_dev *hdev, int err); |
2ff13894 JH |
1452 | void mgmt_power_on(struct hci_dev *hdev, int err); |
1453 | void __mgmt_power_off(struct hci_dev *hdev); | |
dc4a5ee2 MH |
1454 | void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, |
1455 | bool persistent); | |
48ec92fa AA |
1456 | void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, |
1457 | u32 flags, u8 *name, u8 name_len); | |
9b80ec5e | 1458 | void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
12d4a3b2 JH |
1459 | u8 link_type, u8 addr_type, u8 reason, |
1460 | bool mgmt_connected); | |
7892924c MH |
1461 | void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1462 | u8 link_type, u8 addr_type, u8 status); | |
445608d0 MH |
1463 | void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1464 | u8 addr_type, u8 status); | |
ce0e4a0d | 1465 | void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); |
e669cf80 MH |
1466 | void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1467 | u8 status); | |
3eb38528 MH |
1468 | void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1469 | u8 status); | |
744cf19e | 1470 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
39adbffe | 1471 | u8 link_type, u8 addr_type, u32 value, |
04124681 | 1472 | u8 confirm_hint); |
744cf19e | 1473 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1474 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1475 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1476 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1477 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1478 | u8 link_type, u8 addr_type); |
604086b7 | 1479 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1480 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1481 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1482 | u8 link_type, u8 addr_type, u8 status); |
92a25256 JH |
1483 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1484 | u8 link_type, u8 addr_type, u32 passkey, | |
1485 | u8 entered); | |
e1e930f5 | 1486 | void mgmt_auth_failed(struct hci_conn *conn, u8 status); |
464996ae | 1487 | void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); |
3e248560 | 1488 | void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
4e1b0245 MH |
1489 | void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
1490 | u8 status); | |
7667da34 | 1491 | void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); |
e68f072b | 1492 | void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); |
2154d3f4 | 1493 | void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); |
901801b9 | 1494 | void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
af58925c MH |
1495 | u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, |
1496 | u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); | |
9cf12aee MH |
1497 | void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1498 | u8 addr_type, s8 rssi, u8 *name, u8 name_len); | |
2f1e063b | 1499 | void mgmt_discovering(struct hci_dev *hdev, u8 discovering); |
84c61d92 | 1500 | bool mgmt_powering_down(struct hci_dev *hdev); |
53ac6ab6 | 1501 | void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); |
cad20c27 | 1502 | void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); |
53ac6ab6 MH |
1503 | void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, |
1504 | bool persistent); | |
ffb5a827 | 1505 | void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, |
f4869e2a JH |
1506 | u8 bdaddr_type, u8 store_hint, u16 min_interval, |
1507 | u16 max_interval, u16 latency, u16 timeout); | |
f4a407be | 1508 | void mgmt_smp_complete(struct hci_conn *conn, bool complete); |
f2252570 | 1509 | bool mgmt_get_connectable(struct hci_dev *hdev); |
53c0ba74 | 1510 | void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); |
aed1a885 | 1511 | void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); |
f2252570 JH |
1512 | u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); |
1513 | void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, | |
1514 | u8 instance); | |
1515 | void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, | |
1516 | u8 instance); | |
346af67b | 1517 | |
7d6ca693 JH |
1518 | u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, |
1519 | u16 to_multiplier); | |
fe39c7b2 | 1520 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, |
8b76ce34 | 1521 | __u8 ltk[16], __u8 key_size); |
2519a1fc | 1522 | |
a1f4c318 JH |
1523 | void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1524 | u8 *bdaddr_type); | |
ebd3a747 | 1525 | |
5d4d62f6 FD |
1526 | #define SCO_AIRMODE_MASK 0x0003 |
1527 | #define SCO_AIRMODE_CVSD 0x0000 | |
1528 | #define SCO_AIRMODE_TRANSP 0x0003 | |
1529 | ||
1da177e4 | 1530 | #endif /* __HCI_CORE_H */ |