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Commit | Line | Data |
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04fafe4e | 1 | /* |
1da177e4 | 2 | BlueZ - Bluetooth protocol stack for Linux |
2d0a0346 | 3 | Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
1da177e4 LT |
4 | |
5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
04fafe4e RS |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
1da177e4 LT |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
19 | ||
04fafe4e RS |
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
22 | SOFTWARE IS DISCLAIMED. |
23 | */ | |
24 | ||
25 | #ifndef __HCI_CORE_H | |
26 | #define __HCI_CORE_H | |
27 | ||
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; | |
b9ee0a78 | 84 | u8 bdaddr_type; |
f0358568 | 85 | }; |
2aeb9a1a JH |
86 | |
87 | struct bt_uuid { | |
88 | struct list_head list; | |
89 | u8 uuid[16]; | |
83be8eca | 90 | u8 size; |
1aff6f09 | 91 | u8 svc_hint; |
2aeb9a1a JH |
92 | }; |
93 | ||
b899efaf VCG |
94 | struct smp_ltk { |
95 | struct list_head list; | |
96 | bdaddr_t bdaddr; | |
97 | u8 bdaddr_type; | |
98 | u8 authenticated; | |
99 | u8 type; | |
100 | u8 enc_size; | |
101 | __le16 ediv; | |
102 | u8 rand[8]; | |
103 | u8 val[16]; | |
03c515d7 | 104 | }; |
b899efaf | 105 | |
970c4e46 JH |
106 | struct smp_irk { |
107 | struct list_head list; | |
108 | bdaddr_t rpa; | |
109 | bdaddr_t bdaddr; | |
110 | u8 addr_type; | |
111 | u8 val[16]; | |
112 | }; | |
113 | ||
55ed8ca1 JH |
114 | struct link_key { |
115 | struct list_head list; | |
116 | bdaddr_t bdaddr; | |
117 | u8 type; | |
9b3b4460 | 118 | u8 val[HCI_LINK_KEY_SIZE]; |
55ed8ca1 JH |
119 | u8 pin_len; |
120 | }; | |
121 | ||
2763eda6 SJ |
122 | struct oob_data { |
123 | struct list_head list; | |
124 | bdaddr_t bdaddr; | |
519ca9d0 MH |
125 | u8 hash192[16]; |
126 | u8 randomizer192[16]; | |
127 | u8 hash256[16]; | |
128 | u8 randomizer256[16]; | |
2763eda6 SJ |
129 | }; |
130 | ||
490c5bab JH |
131 | #define HCI_MAX_SHORT_NAME_LENGTH 10 |
132 | ||
903e4541 AE |
133 | struct amp_assoc { |
134 | __u16 len; | |
135 | __u16 offset; | |
93c284ee AE |
136 | __u16 rem_len; |
137 | __u16 len_so_far; | |
903e4541 AE |
138 | __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; |
139 | }; | |
140 | ||
d2c5d77f | 141 | #define HCI_MAX_PAGES 3 |
cad718ed | 142 | |
cd4c5391 | 143 | #define NUM_REASSEMBLY 4 |
1da177e4 LT |
144 | struct hci_dev { |
145 | struct list_head list; | |
09fd0de5 | 146 | struct mutex lock; |
1da177e4 LT |
147 | |
148 | char name[8]; | |
149 | unsigned long flags; | |
150 | __u16 id; | |
c13854ce | 151 | __u8 bus; |
943da25d | 152 | __u8 dev_type; |
1da177e4 | 153 | bdaddr_t bdaddr; |
d13eafce | 154 | bdaddr_t static_addr; |
79830f66 | 155 | __u8 own_addr_type; |
1f6c6378 | 156 | __u8 dev_name[HCI_MAX_NAME_LENGTH]; |
490c5bab | 157 | __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; |
80a1e1db | 158 | __u8 eir[HCI_MAX_EIR_LENGTH]; |
a9de9248 | 159 | __u8 dev_class[3]; |
1aff6f09 JH |
160 | __u8 major_class; |
161 | __u8 minor_class; | |
d2c5d77f | 162 | __u8 max_page; |
cad718ed | 163 | __u8 features[HCI_MAX_PAGES][8]; |
60e77321 | 164 | __u8 le_features[8]; |
cf1d081f | 165 | __u8 le_white_list_size; |
9b008c04 | 166 | __u8 le_states[8]; |
a9de9248 | 167 | __u8 commands[64]; |
1143e5a6 MH |
168 | __u8 hci_ver; |
169 | __u16 hci_rev; | |
d5859e22 | 170 | __u8 lmp_ver; |
1143e5a6 | 171 | __u16 manufacturer; |
7d69230c | 172 | __u16 lmp_subver; |
1da177e4 | 173 | __u16 voice_setting; |
b4cb9fb2 | 174 | __u8 num_iac; |
17fa4b9d | 175 | __u8 io_capability; |
91c4e9b1 | 176 | __s8 inq_tx_power; |
f332ec66 JH |
177 | __u16 page_scan_interval; |
178 | __u16 page_scan_window; | |
179 | __u8 page_scan_type; | |
bef64738 MH |
180 | __u16 le_scan_interval; |
181 | __u16 le_scan_window; | |
4e70c7e7 MH |
182 | __u16 le_conn_min_interval; |
183 | __u16 le_conn_max_interval; | |
06f5b778 | 184 | __u8 ssp_debug_mode; |
f332ec66 | 185 | |
2b9be137 MH |
186 | __u16 devid_source; |
187 | __u16 devid_vendor; | |
188 | __u16 devid_product; | |
189 | __u16 devid_version; | |
1da177e4 LT |
190 | |
191 | __u16 pkt_type; | |
5b7f9909 | 192 | __u16 esco_type; |
1da177e4 LT |
193 | __u16 link_policy; |
194 | __u16 link_mode; | |
195 | ||
04837f64 MH |
196 | __u32 idle_timeout; |
197 | __u16 sniff_min_interval; | |
198 | __u16 sniff_max_interval; | |
199 | ||
928abaa7 AE |
200 | __u8 amp_status; |
201 | __u32 amp_total_bw; | |
202 | __u32 amp_max_bw; | |
203 | __u32 amp_min_latency; | |
204 | __u32 amp_max_pdu; | |
205 | __u8 amp_type; | |
206 | __u16 amp_pal_cap; | |
207 | __u16 amp_assoc_size; | |
208 | __u32 amp_max_flush_to; | |
209 | __u32 amp_be_flush_to; | |
210 | ||
903e4541 AE |
211 | struct amp_assoc loc_assoc; |
212 | ||
1e89cffb AE |
213 | __u8 flow_ctl_mode; |
214 | ||
9f61656a JH |
215 | unsigned int auto_accept_delay; |
216 | ||
1da177e4 LT |
217 | unsigned long quirks; |
218 | ||
219 | atomic_t cmd_cnt; | |
220 | unsigned int acl_cnt; | |
221 | unsigned int sco_cnt; | |
6ed58ec5 | 222 | unsigned int le_cnt; |
1da177e4 LT |
223 | |
224 | unsigned int acl_mtu; | |
225 | unsigned int sco_mtu; | |
6ed58ec5 | 226 | unsigned int le_mtu; |
1da177e4 LT |
227 | unsigned int acl_pkts; |
228 | unsigned int sco_pkts; | |
6ed58ec5 | 229 | unsigned int le_pkts; |
1da177e4 | 230 | |
350ee4cf AE |
231 | __u16 block_len; |
232 | __u16 block_mtu; | |
233 | __u16 num_blocks; | |
234 | __u16 block_cnt; | |
235 | ||
1da177e4 LT |
236 | unsigned long acl_last_tx; |
237 | unsigned long sco_last_tx; | |
6ed58ec5 | 238 | unsigned long le_last_tx; |
1da177e4 | 239 | |
f48fd9c8 | 240 | struct workqueue_struct *workqueue; |
6ead1bbc | 241 | struct workqueue_struct *req_workqueue; |
f48fd9c8 | 242 | |
ab81cbf9 | 243 | struct work_struct power_on; |
3243553f | 244 | struct delayed_work power_off; |
ab81cbf9 | 245 | |
16ab91ab JH |
246 | __u16 discov_timeout; |
247 | struct delayed_work discov_off; | |
248 | ||
7d78525d JH |
249 | struct delayed_work service_cache; |
250 | ||
6bd32326 | 251 | struct timer_list cmd_timer; |
b78752cc MH |
252 | |
253 | struct work_struct rx_work; | |
c347b765 | 254 | struct work_struct cmd_work; |
3eff45ea | 255 | struct work_struct tx_work; |
1da177e4 LT |
256 | |
257 | struct sk_buff_head rx_q; | |
258 | struct sk_buff_head raw_q; | |
259 | struct sk_buff_head cmd_q; | |
260 | ||
b6ddb638 | 261 | struct sk_buff *recv_evt; |
1da177e4 | 262 | struct sk_buff *sent_cmd; |
cd4c5391 | 263 | struct sk_buff *reassembly[NUM_REASSEMBLY]; |
1da177e4 | 264 | |
a6a67efd | 265 | struct mutex req_lock; |
1da177e4 LT |
266 | wait_queue_head_t req_wait_q; |
267 | __u32 req_status; | |
268 | __u32 req_result; | |
a5040efa | 269 | |
99780a7b | 270 | struct crypto_blkcipher *tfm_aes; |
2e58ef3e | 271 | |
30883512 | 272 | struct discovery_state discovery; |
1da177e4 LT |
273 | struct hci_conn_hash conn_hash; |
274 | ||
5c136e90 AG |
275 | struct list_head mgmt_pending; |
276 | struct list_head blacklist; | |
2aeb9a1a | 277 | struct list_head uuids; |
55ed8ca1 | 278 | struct list_head link_keys; |
b899efaf | 279 | struct list_head long_term_keys; |
970c4e46 | 280 | struct list_head identity_resolving_keys; |
2763eda6 | 281 | struct list_head remote_oob_data; |
15819a70 | 282 | struct list_head le_conn_params; |
2763eda6 | 283 | |
1da177e4 LT |
284 | struct hci_dev_stats stat; |
285 | ||
70f23020 | 286 | atomic_t promisc; |
1da177e4 | 287 | |
ca325f69 MH |
288 | struct dentry *debugfs; |
289 | ||
a91f2e39 | 290 | struct device dev; |
1da177e4 | 291 | |
611b30f7 MH |
292 | struct rfkill *rfkill; |
293 | ||
d23264a8 AG |
294 | unsigned long dev_flags; |
295 | ||
7ba8b4be AG |
296 | struct delayed_work le_scan_disable; |
297 | ||
8fa19098 | 298 | __s8 adv_tx_power; |
3f0f524b JH |
299 | __u8 adv_data[HCI_MAX_AD_LENGTH]; |
300 | __u8 adv_data_len; | |
f8e808bd MH |
301 | __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; |
302 | __u8 scan_rsp_data_len; | |
8fa19098 | 303 | |
1da177e4 LT |
304 | int (*open)(struct hci_dev *hdev); |
305 | int (*close)(struct hci_dev *hdev); | |
306 | int (*flush)(struct hci_dev *hdev); | |
f41c70c4 | 307 | int (*setup)(struct hci_dev *hdev); |
7bd8f09f | 308 | int (*send)(struct hci_dev *hdev, struct sk_buff *skb); |
1da177e4 | 309 | void (*notify)(struct hci_dev *hdev, unsigned int evt); |
1da177e4 LT |
310 | }; |
311 | ||
53502d69 AE |
312 | #define HCI_PHY_HANDLE(handle) (handle & 0xff) |
313 | ||
1da177e4 LT |
314 | struct hci_conn { |
315 | struct list_head list; | |
316 | ||
adc4266d | 317 | atomic_t refcnt; |
adc4266d SJ |
318 | |
319 | bdaddr_t dst; | |
5a9d0a3f | 320 | __u8 dst_type; |
662e8820 | 321 | bdaddr_t src; |
e7c4096e | 322 | __u8 src_type; |
adc4266d SJ |
323 | __u16 handle; |
324 | __u16 state; | |
325 | __u8 mode; | |
326 | __u8 type; | |
a0c808b3 | 327 | bool out; |
adc4266d SJ |
328 | __u8 attempt; |
329 | __u8 dev_class[3]; | |
cad718ed | 330 | __u8 features[HCI_MAX_PAGES][8]; |
adc4266d SJ |
331 | __u16 pkt_type; |
332 | __u16 link_policy; | |
333 | __u32 link_mode; | |
13d39315 | 334 | __u8 key_type; |
adc4266d SJ |
335 | __u8 auth_type; |
336 | __u8 sec_level; | |
337 | __u8 pending_sec_level; | |
338 | __u8 pin_length; | |
726b4ffc | 339 | __u8 enc_key_size; |
adc4266d | 340 | __u8 io_capability; |
92a25256 JH |
341 | __u32 passkey_notify; |
342 | __u8 passkey_entered; | |
adc4266d | 343 | __u16 disc_timeout; |
10c62ddc | 344 | __u16 setting; |
1e406eef AG |
345 | __u16 le_conn_min_interval; |
346 | __u16 le_conn_max_interval; | |
51a8efd7 | 347 | unsigned long flags; |
04837f64 | 348 | |
03b555e1 | 349 | __u8 remote_cap; |
03b555e1 | 350 | __u8 remote_auth; |
3161ae1c | 351 | __u8 remote_id; |
6ec5bcad | 352 | bool flush_key; |
03b555e1 | 353 | |
adc4266d | 354 | unsigned int sent; |
04837f64 | 355 | |
1da177e4 | 356 | struct sk_buff_head data_q; |
2c33c06a | 357 | struct list_head chan_list; |
1da177e4 | 358 | |
19c40e3b | 359 | struct delayed_work disc_work; |
7bc18d9d | 360 | struct delayed_work auto_accept_work; |
a74a84f6 | 361 | struct delayed_work idle_work; |
04837f64 | 362 | |
b219e3ac MH |
363 | struct device dev; |
364 | ||
1da177e4 LT |
365 | struct hci_dev *hdev; |
366 | void *l2cap_data; | |
367 | void *sco_data; | |
2b64d153 | 368 | void *smp_conn; |
9740e49d | 369 | struct amp_mgr *amp_mgr; |
1da177e4 LT |
370 | |
371 | struct hci_conn *link; | |
e9a416b5 JH |
372 | |
373 | void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); | |
374 | void (*security_cfm_cb) (struct hci_conn *conn, u8 status); | |
375 | void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); | |
1da177e4 LT |
376 | }; |
377 | ||
73d80deb LAD |
378 | struct hci_chan { |
379 | struct list_head list; | |
42c4e53e | 380 | __u16 handle; |
73d80deb LAD |
381 | struct hci_conn *conn; |
382 | struct sk_buff_head data_q; | |
383 | unsigned int sent; | |
168df8e5 | 384 | __u8 state; |
73d80deb LAD |
385 | }; |
386 | ||
15819a70 AG |
387 | struct hci_conn_params { |
388 | struct list_head list; | |
389 | ||
390 | bdaddr_t addr; | |
391 | u8 addr_type; | |
392 | ||
393 | u16 conn_min_interval; | |
394 | u16 conn_max_interval; | |
395 | }; | |
396 | ||
1da177e4 LT |
397 | extern struct list_head hci_dev_list; |
398 | extern struct list_head hci_cb_list; | |
399 | extern rwlock_t hci_dev_list_lock; | |
400 | extern rwlock_t hci_cb_list_lock; | |
401 | ||
686ebf28 | 402 | /* ----- HCI interface to upper protocols ----- */ |
e74e58f8 JP |
403 | int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); |
404 | void l2cap_connect_cfm(struct hci_conn *hcon, u8 status); | |
405 | int l2cap_disconn_ind(struct hci_conn *hcon); | |
406 | void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason); | |
407 | int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt); | |
408 | int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); | |
409 | ||
410 | int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); | |
411 | void sco_connect_cfm(struct hci_conn *hcon, __u8 status); | |
412 | void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason); | |
413 | int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); | |
686ebf28 | 414 | |
1da177e4 | 415 | /* ----- Inquiry cache ----- */ |
70f23020 AE |
416 | #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ |
417 | #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ | |
1da177e4 | 418 | |
30883512 | 419 | static inline void discovery_init(struct hci_dev *hdev) |
1da177e4 | 420 | { |
ff9ef578 | 421 | hdev->discovery.state = DISCOVERY_STOPPED; |
30883512 JH |
422 | INIT_LIST_HEAD(&hdev->discovery.all); |
423 | INIT_LIST_HEAD(&hdev->discovery.unknown); | |
424 | INIT_LIST_HEAD(&hdev->discovery.resolve); | |
1da177e4 LT |
425 | } |
426 | ||
30dc78e1 JH |
427 | bool hci_discovery_active(struct hci_dev *hdev); |
428 | ||
ff9ef578 JH |
429 | void hci_discovery_set_state(struct hci_dev *hdev, int state); |
430 | ||
1da177e4 LT |
431 | static inline int inquiry_cache_empty(struct hci_dev *hdev) |
432 | { | |
30883512 | 433 | return list_empty(&hdev->discovery.all); |
1da177e4 LT |
434 | } |
435 | ||
436 | static inline long inquiry_cache_age(struct hci_dev *hdev) | |
437 | { | |
30883512 | 438 | struct discovery_state *c = &hdev->discovery; |
1da177e4 LT |
439 | return jiffies - c->timestamp; |
440 | } | |
441 | ||
442 | static inline long inquiry_entry_age(struct inquiry_entry *e) | |
443 | { | |
444 | return jiffies - e->timestamp; | |
445 | } | |
446 | ||
5a9d0a3f | 447 | struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, |
04124681 | 448 | bdaddr_t *bdaddr); |
561aafbc | 449 | struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, |
04124681 | 450 | bdaddr_t *bdaddr); |
30dc78e1 | 451 | struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, |
04124681 GP |
452 | bdaddr_t *bdaddr, |
453 | int state); | |
a3d4e20a | 454 | void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, |
04124681 | 455 | struct inquiry_entry *ie); |
3175405b | 456 | bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, |
04124681 | 457 | bool name_known, bool *ssp); |
1f9b9a5d | 458 | void hci_inquiry_cache_flush(struct hci_dev *hdev); |
1da177e4 LT |
459 | |
460 | /* ----- HCI Connections ----- */ | |
461 | enum { | |
462 | HCI_CONN_AUTH_PEND, | |
19f8def0 | 463 | HCI_CONN_REAUTH_PEND, |
1da177e4 | 464 | HCI_CONN_ENCRYPT_PEND, |
04837f64 MH |
465 | HCI_CONN_RSWITCH_PEND, |
466 | HCI_CONN_MODE_CHANGE_PEND, | |
e73439d8 | 467 | HCI_CONN_SCO_SETUP_PEND, |
d26a2345 | 468 | HCI_CONN_LE_SMP_PEND, |
b644ba33 | 469 | HCI_CONN_MGMT_CONNECTED, |
58a681ef | 470 | HCI_CONN_SSP_ENABLED, |
eb9a8f3f | 471 | HCI_CONN_SC_ENABLED, |
abf76bad | 472 | HCI_CONN_AES_CCM, |
58a681ef JH |
473 | HCI_CONN_POWER_SAVE, |
474 | HCI_CONN_REMOTE_OOB, | |
18722c24 | 475 | HCI_CONN_6LOWPAN, |
1da177e4 LT |
476 | }; |
477 | ||
aa64a8b5 JH |
478 | static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) |
479 | { | |
480 | struct hci_dev *hdev = conn->hdev; | |
c3c7ea65 GP |
481 | return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && |
482 | test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
aa64a8b5 JH |
483 | } |
484 | ||
eb9a8f3f MH |
485 | static inline bool hci_conn_sc_enabled(struct hci_conn *conn) |
486 | { | |
487 | struct hci_dev *hdev = conn->hdev; | |
488 | return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && | |
489 | test_bit(HCI_CONN_SC_ENABLED, &conn->flags); | |
490 | } | |
491 | ||
1da177e4 LT |
492 | static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) |
493 | { | |
494 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 | 495 | list_add_rcu(&c->list, &h->list); |
fcd89c09 VT |
496 | switch (c->type) { |
497 | case ACL_LINK: | |
1da177e4 | 498 | h->acl_num++; |
fcd89c09 | 499 | break; |
bd1eb66b AE |
500 | case AMP_LINK: |
501 | h->amp_num++; | |
502 | break; | |
fcd89c09 VT |
503 | case LE_LINK: |
504 | h->le_num++; | |
505 | break; | |
506 | case SCO_LINK: | |
507 | case ESCO_LINK: | |
1da177e4 | 508 | h->sco_num++; |
fcd89c09 VT |
509 | break; |
510 | } | |
1da177e4 LT |
511 | } |
512 | ||
513 | static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) | |
514 | { | |
515 | struct hci_conn_hash *h = &hdev->conn_hash; | |
bf4c6325 GP |
516 | |
517 | list_del_rcu(&c->list); | |
518 | synchronize_rcu(); | |
519 | ||
fcd89c09 VT |
520 | switch (c->type) { |
521 | case ACL_LINK: | |
1da177e4 | 522 | h->acl_num--; |
fcd89c09 | 523 | break; |
bd1eb66b AE |
524 | case AMP_LINK: |
525 | h->amp_num--; | |
526 | break; | |
fcd89c09 VT |
527 | case LE_LINK: |
528 | h->le_num--; | |
529 | break; | |
530 | case SCO_LINK: | |
531 | case ESCO_LINK: | |
1da177e4 | 532 | h->sco_num--; |
fcd89c09 VT |
533 | break; |
534 | } | |
1da177e4 LT |
535 | } |
536 | ||
52087a79 LAD |
537 | static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) |
538 | { | |
539 | struct hci_conn_hash *h = &hdev->conn_hash; | |
540 | switch (type) { | |
541 | case ACL_LINK: | |
542 | return h->acl_num; | |
bd1eb66b AE |
543 | case AMP_LINK: |
544 | return h->amp_num; | |
52087a79 LAD |
545 | case LE_LINK: |
546 | return h->le_num; | |
547 | case SCO_LINK: | |
548 | case ESCO_LINK: | |
549 | return h->sco_num; | |
550 | default: | |
551 | return 0; | |
552 | } | |
553 | } | |
554 | ||
1da177e4 | 555 | static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, |
adc4266d | 556 | __u16 handle) |
1da177e4 LT |
557 | { |
558 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
559 | struct hci_conn *c; |
560 | ||
bf4c6325 GP |
561 | rcu_read_lock(); |
562 | ||
563 | list_for_each_entry_rcu(c, &h->list, list) { | |
564 | if (c->handle == handle) { | |
565 | rcu_read_unlock(); | |
1da177e4 | 566 | return c; |
bf4c6325 | 567 | } |
1da177e4 | 568 | } |
bf4c6325 GP |
569 | rcu_read_unlock(); |
570 | ||
1da177e4 LT |
571 | return NULL; |
572 | } | |
573 | ||
574 | static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, | |
adc4266d | 575 | __u8 type, bdaddr_t *ba) |
1da177e4 LT |
576 | { |
577 | struct hci_conn_hash *h = &hdev->conn_hash; | |
1da177e4 LT |
578 | struct hci_conn *c; |
579 | ||
bf4c6325 GP |
580 | rcu_read_lock(); |
581 | ||
582 | list_for_each_entry_rcu(c, &h->list, list) { | |
583 | if (c->type == type && !bacmp(&c->dst, ba)) { | |
584 | rcu_read_unlock(); | |
1da177e4 | 585 | return c; |
bf4c6325 | 586 | } |
1da177e4 | 587 | } |
bf4c6325 GP |
588 | |
589 | rcu_read_unlock(); | |
590 | ||
1da177e4 LT |
591 | return NULL; |
592 | } | |
593 | ||
4c67bc74 | 594 | static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, |
adc4266d | 595 | __u8 type, __u16 state) |
4c67bc74 MH |
596 | { |
597 | struct hci_conn_hash *h = &hdev->conn_hash; | |
4c67bc74 MH |
598 | struct hci_conn *c; |
599 | ||
bf4c6325 GP |
600 | rcu_read_lock(); |
601 | ||
602 | list_for_each_entry_rcu(c, &h->list, list) { | |
603 | if (c->type == type && c->state == state) { | |
604 | rcu_read_unlock(); | |
4c67bc74 | 605 | return c; |
bf4c6325 | 606 | } |
4c67bc74 | 607 | } |
73d80deb | 608 | |
bf4c6325 | 609 | rcu_read_unlock(); |
73d80deb | 610 | |
4c67bc74 | 611 | return NULL; |
73d80deb LAD |
612 | } |
613 | ||
bed71748 | 614 | void hci_disconnect(struct hci_conn *conn, __u8 reason); |
2dea632f | 615 | bool hci_setup_sync(struct hci_conn *conn, __u16 handle); |
e73439d8 | 616 | void hci_sco_setup(struct hci_conn *conn, __u8 status); |
1da177e4 LT |
617 | |
618 | struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst); | |
a9de9248 MH |
619 | int hci_conn_del(struct hci_conn *conn); |
620 | void hci_conn_hash_flush(struct hci_dev *hdev); | |
621 | void hci_conn_check_pending(struct hci_dev *hdev); | |
1da177e4 | 622 | |
73d80deb | 623 | struct hci_chan *hci_chan_create(struct hci_conn *conn); |
9472007c | 624 | void hci_chan_del(struct hci_chan *chan); |
2c33c06a | 625 | void hci_chan_list_flush(struct hci_conn *conn); |
42c4e53e | 626 | struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); |
73d80deb | 627 | |
5a9d0a3f | 628 | struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, |
b12f62cf | 629 | __u8 dst_type, __u8 sec_level, __u8 auth_type); |
10c62ddc FD |
630 | struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, |
631 | __u16 setting); | |
e7c29cb1 | 632 | int hci_conn_check_link_mode(struct hci_conn *conn); |
b3b1b061 | 633 | int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); |
0684e5f9 | 634 | int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type); |
1da177e4 | 635 | int hci_conn_change_link_key(struct hci_conn *conn); |
8c1b2355 | 636 | int hci_conn_switch_role(struct hci_conn *conn, __u8 role); |
1da177e4 | 637 | |
14b12d0b | 638 | void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); |
1da177e4 | 639 | |
8d12356f DH |
640 | /* |
641 | * hci_conn_get() and hci_conn_put() are used to control the life-time of an | |
642 | * "hci_conn" object. They do not guarantee that the hci_conn object is running, | |
643 | * working or anything else. They just guarantee that the object is available | |
644 | * and can be dereferenced. So you can use its locks, local variables and any | |
645 | * other constant data. | |
646 | * Before accessing runtime data, you _must_ lock the object and then check that | |
647 | * it is still running. As soon as you release the locks, the connection might | |
648 | * get dropped, though. | |
649 | * | |
650 | * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control | |
651 | * how long the underlying connection is held. So every channel that runs on the | |
652 | * hci_conn object calls this to prevent the connection from disappearing. As | |
653 | * long as you hold a device, you must also guarantee that you have a valid | |
654 | * reference to the device via hci_conn_get() (or the initial reference from | |
655 | * hci_conn_add()). | |
656 | * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't | |
657 | * break because nobody cares for that. But this means, we cannot use | |
658 | * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). | |
659 | */ | |
660 | ||
661 | static inline void hci_conn_get(struct hci_conn *conn) | |
662 | { | |
663 | get_device(&conn->dev); | |
664 | } | |
665 | ||
666 | static inline void hci_conn_put(struct hci_conn *conn) | |
667 | { | |
668 | put_device(&conn->dev); | |
669 | } | |
670 | ||
1da177e4 LT |
671 | static inline void hci_conn_hold(struct hci_conn *conn) |
672 | { | |
71becf0c | 673 | BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); |
38b3fef1 | 674 | |
1da177e4 | 675 | atomic_inc(&conn->refcnt); |
2f304d1e | 676 | cancel_delayed_work(&conn->disc_work); |
1da177e4 LT |
677 | } |
678 | ||
76a68ba0 | 679 | static inline void hci_conn_drop(struct hci_conn *conn) |
1da177e4 | 680 | { |
71becf0c | 681 | BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); |
38b3fef1 | 682 | |
1da177e4 | 683 | if (atomic_dec_and_test(&conn->refcnt)) { |
04837f64 | 684 | unsigned long timeo; |
716e4ab5 AE |
685 | |
686 | switch (conn->type) { | |
687 | case ACL_LINK: | |
688 | case LE_LINK: | |
a74a84f6 | 689 | cancel_delayed_work(&conn->idle_work); |
6ac59344 | 690 | if (conn->state == BT_CONNECTED) { |
5f246e89 | 691 | timeo = conn->disc_timeout; |
6ac59344 | 692 | if (!conn->out) |
052b30b0 | 693 | timeo *= 2; |
5a9d0a3f | 694 | } else { |
6ac59344 | 695 | timeo = msecs_to_jiffies(10); |
5a9d0a3f | 696 | } |
716e4ab5 AE |
697 | break; |
698 | ||
699 | case AMP_LINK: | |
700 | timeo = conn->disc_timeout; | |
701 | break; | |
702 | ||
703 | default: | |
04837f64 | 704 | timeo = msecs_to_jiffies(10); |
716e4ab5 | 705 | break; |
5a9d0a3f | 706 | } |
716e4ab5 | 707 | |
2f304d1e | 708 | cancel_delayed_work(&conn->disc_work); |
19c40e3b | 709 | queue_delayed_work(conn->hdev->workqueue, |
716e4ab5 | 710 | &conn->disc_work, timeo); |
1da177e4 LT |
711 | } |
712 | } | |
713 | ||
1da177e4 | 714 | /* ----- HCI Devices ----- */ |
dc946bd8 | 715 | static inline void hci_dev_put(struct hci_dev *d) |
1da177e4 | 716 | { |
376261ae AE |
717 | BT_DBG("%s orig refcnt %d", d->name, |
718 | atomic_read(&d->dev.kobj.kref.refcount)); | |
719 | ||
4c724c71 | 720 | put_device(&d->dev); |
1da177e4 LT |
721 | } |
722 | ||
dc946bd8 | 723 | static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) |
1da177e4 | 724 | { |
376261ae AE |
725 | BT_DBG("%s orig refcnt %d", d->name, |
726 | atomic_read(&d->dev.kobj.kref.refcount)); | |
727 | ||
4c724c71 | 728 | get_device(&d->dev); |
1da177e4 LT |
729 | return d; |
730 | } | |
731 | ||
09fd0de5 GP |
732 | #define hci_dev_lock(d) mutex_lock(&d->lock) |
733 | #define hci_dev_unlock(d) mutex_unlock(&d->lock) | |
1da177e4 | 734 | |
aa2b86d7 | 735 | #define to_hci_dev(d) container_of(d, struct hci_dev, dev) |
3dc07322 | 736 | #define to_hci_conn(c) container_of(c, struct hci_conn, dev) |
aa2b86d7 | 737 | |
155961e8 DH |
738 | static inline void *hci_get_drvdata(struct hci_dev *hdev) |
739 | { | |
740 | return dev_get_drvdata(&hdev->dev); | |
741 | } | |
742 | ||
743 | static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) | |
744 | { | |
745 | dev_set_drvdata(&hdev->dev, data); | |
746 | } | |
747 | ||
1da177e4 | 748 | struct hci_dev *hci_dev_get(int index); |
0c0afedf | 749 | struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src); |
1da177e4 LT |
750 | |
751 | struct hci_dev *hci_alloc_dev(void); | |
752 | void hci_free_dev(struct hci_dev *hdev); | |
753 | int hci_register_dev(struct hci_dev *hdev); | |
59735631 | 754 | void hci_unregister_dev(struct hci_dev *hdev); |
1da177e4 LT |
755 | int hci_suspend_dev(struct hci_dev *hdev); |
756 | int hci_resume_dev(struct hci_dev *hdev); | |
757 | int hci_dev_open(__u16 dev); | |
758 | int hci_dev_close(__u16 dev); | |
759 | int hci_dev_reset(__u16 dev); | |
760 | int hci_dev_reset_stat(__u16 dev); | |
761 | int hci_dev_cmd(unsigned int cmd, void __user *arg); | |
762 | int hci_get_dev_list(void __user *arg); | |
763 | int hci_get_dev_info(void __user *arg); | |
764 | int hci_get_conn_list(void __user *arg); | |
765 | int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); | |
40be492f | 766 | int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); |
1da177e4 LT |
767 | int hci_inquiry(void __user *arg); |
768 | ||
c3c7ea65 | 769 | struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, |
b9ee0a78 | 770 | bdaddr_t *bdaddr, u8 type); |
35f7498a | 771 | void hci_blacklist_clear(struct hci_dev *hdev); |
88c1fe4b JH |
772 | int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
773 | int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
f0358568 | 774 | |
15819a70 AG |
775 | struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, |
776 | bdaddr_t *addr, u8 addr_type); | |
777 | void hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type, | |
778 | u16 conn_min_interval, u16 conn_max_interval); | |
779 | void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); | |
780 | void hci_conn_params_clear(struct hci_dev *hdev); | |
781 | ||
35f7498a | 782 | void hci_uuids_clear(struct hci_dev *hdev); |
2aeb9a1a | 783 | |
35f7498a | 784 | void hci_link_keys_clear(struct hci_dev *hdev); |
55ed8ca1 | 785 | struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
d25e28ab | 786 | int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, |
04124681 | 787 | bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len); |
98a0b845 JH |
788 | struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8], |
789 | bool master); | |
c9839a11 | 790 | int hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, u8 type, |
9a006657 AE |
791 | int new_key, u8 authenticated, u8 tk[16], u8 enc_size, |
792 | __le16 ediv, u8 rand[8]); | |
c9839a11 | 793 | struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, |
98a0b845 | 794 | u8 addr_type, bool master); |
e0b2b27e | 795 | int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); |
35f7498a | 796 | void hci_smp_ltks_clear(struct hci_dev *hdev); |
55ed8ca1 JH |
797 | int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); |
798 | ||
970c4e46 JH |
799 | struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); |
800 | struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
801 | u8 addr_type); | |
802 | int hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type, | |
803 | u8 val[16], bdaddr_t *rpa); | |
a7ec7338 | 804 | void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); |
970c4e46 JH |
805 | void hci_smp_irks_clear(struct hci_dev *hdev); |
806 | ||
35f7498a | 807 | void hci_remote_oob_data_clear(struct hci_dev *hdev); |
2763eda6 | 808 | struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, |
0798872e MH |
809 | bdaddr_t *bdaddr); |
810 | int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
811 | u8 *hash, u8 *randomizer); | |
812 | int hci_add_remote_oob_ext_data(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
813 | u8 *hash192, u8 *randomizer192, | |
814 | u8 *hash256, u8 *randomizer256); | |
2763eda6 SJ |
815 | int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr); |
816 | ||
1da177e4 LT |
817 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); |
818 | ||
e1a26170 | 819 | int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); |
ef222013 | 820 | int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count); |
99811510 | 821 | int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count); |
ef222013 | 822 | |
0ac7e700 | 823 | void hci_init_sysfs(struct hci_dev *hdev); |
a67e899c | 824 | void hci_conn_init_sysfs(struct hci_conn *conn); |
b219e3ac MH |
825 | void hci_conn_add_sysfs(struct hci_conn *conn); |
826 | void hci_conn_del_sysfs(struct hci_conn *conn); | |
1da177e4 | 827 | |
6935e0f5 | 828 | #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) |
1da177e4 LT |
829 | |
830 | /* ----- LMP capabilities ----- */ | |
cad718ed JH |
831 | #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) |
832 | #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) | |
833 | #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) | |
834 | #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) | |
835 | #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) | |
836 | #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) | |
837 | #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) | |
838 | #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) | |
839 | #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) | |
840 | #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) | |
841 | #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) | |
842 | #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) | |
843 | #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) | |
844 | #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) | |
845 | #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) | |
846 | #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) | |
847 | #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) | |
848 | #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) | |
07a5c61e | 849 | #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) |
1da177e4 | 850 | |
eead27da | 851 | /* ----- Extended LMP capabilities ----- */ |
53b834d2 MH |
852 | #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) |
853 | #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) | |
854 | #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) | |
855 | #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) | |
d5991585 MH |
856 | #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) |
857 | #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) | |
53b834d2 MH |
858 | |
859 | /* ----- Host capabilities ----- */ | |
cad718ed | 860 | #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) |
d5991585 | 861 | #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) |
cad718ed JH |
862 | #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) |
863 | #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) | |
eead27da | 864 | |
1da177e4 | 865 | /* ----- HCI protocols ----- */ |
20714bfe FD |
866 | #define HCI_PROTO_DEFER 0x01 |
867 | ||
5a9d0a3f | 868 | static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, |
20714bfe | 869 | __u8 type, __u8 *flags) |
1da177e4 | 870 | { |
686ebf28 UF |
871 | switch (type) { |
872 | case ACL_LINK: | |
873 | return l2cap_connect_ind(hdev, bdaddr); | |
1da177e4 | 874 | |
686ebf28 UF |
875 | case SCO_LINK: |
876 | case ESCO_LINK: | |
20714bfe | 877 | return sco_connect_ind(hdev, bdaddr, flags); |
1da177e4 | 878 | |
686ebf28 UF |
879 | default: |
880 | BT_ERR("unknown link type %d", type); | |
881 | return -EINVAL; | |
882 | } | |
1da177e4 LT |
883 | } |
884 | ||
885 | static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status) | |
886 | { | |
686ebf28 UF |
887 | switch (conn->type) { |
888 | case ACL_LINK: | |
889 | case LE_LINK: | |
890 | l2cap_connect_cfm(conn, status); | |
891 | break; | |
1da177e4 | 892 | |
686ebf28 UF |
893 | case SCO_LINK: |
894 | case ESCO_LINK: | |
895 | sco_connect_cfm(conn, status); | |
896 | break; | |
1da177e4 | 897 | |
686ebf28 UF |
898 | default: |
899 | BT_ERR("unknown link type %d", conn->type); | |
900 | break; | |
901 | } | |
e9a416b5 JH |
902 | |
903 | if (conn->connect_cfm_cb) | |
904 | conn->connect_cfm_cb(conn, status); | |
1da177e4 LT |
905 | } |
906 | ||
2950f21a | 907 | static inline int hci_proto_disconn_ind(struct hci_conn *conn) |
1da177e4 | 908 | { |
686ebf28 UF |
909 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
910 | return HCI_ERROR_REMOTE_USER_TERM; | |
1da177e4 | 911 | |
686ebf28 | 912 | return l2cap_disconn_ind(conn); |
2950f21a MH |
913 | } |
914 | ||
915 | static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason) | |
916 | { | |
686ebf28 UF |
917 | switch (conn->type) { |
918 | case ACL_LINK: | |
919 | case LE_LINK: | |
920 | l2cap_disconn_cfm(conn, reason); | |
921 | break; | |
2950f21a | 922 | |
686ebf28 UF |
923 | case SCO_LINK: |
924 | case ESCO_LINK: | |
925 | sco_disconn_cfm(conn, reason); | |
926 | break; | |
2950f21a | 927 | |
bd1eb66b AE |
928 | /* L2CAP would be handled for BREDR chan */ |
929 | case AMP_LINK: | |
930 | break; | |
931 | ||
686ebf28 UF |
932 | default: |
933 | BT_ERR("unknown link type %d", conn->type); | |
934 | break; | |
935 | } | |
e9a416b5 JH |
936 | |
937 | if (conn->disconn_cfm_cb) | |
938 | conn->disconn_cfm_cb(conn, reason); | |
1da177e4 LT |
939 | } |
940 | ||
941 | static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status) | |
942 | { | |
8c1b2355 MH |
943 | __u8 encrypt; |
944 | ||
686ebf28 UF |
945 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
946 | return; | |
947 | ||
51a8efd7 | 948 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
949 | return; |
950 | ||
951 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
686ebf28 | 952 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
953 | |
954 | if (conn->security_cfm_cb) | |
955 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
956 | } |
957 | ||
5a9d0a3f WR |
958 | static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status, |
959 | __u8 encrypt) | |
1da177e4 | 960 | { |
686ebf28 UF |
961 | if (conn->type != ACL_LINK && conn->type != LE_LINK) |
962 | return; | |
1da177e4 | 963 | |
686ebf28 | 964 | l2cap_security_cfm(conn, status, encrypt); |
e9a416b5 JH |
965 | |
966 | if (conn->security_cfm_cb) | |
967 | conn->security_cfm_cb(conn, status); | |
1da177e4 LT |
968 | } |
969 | ||
1da177e4 LT |
970 | /* ----- HCI callbacks ----- */ |
971 | struct hci_cb { | |
972 | struct list_head list; | |
973 | ||
974 | char *name; | |
975 | ||
5a9d0a3f WR |
976 | void (*security_cfm) (struct hci_conn *conn, __u8 status, |
977 | __u8 encrypt); | |
1da177e4 LT |
978 | void (*key_change_cfm) (struct hci_conn *conn, __u8 status); |
979 | void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); | |
980 | }; | |
981 | ||
982 | static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) | |
983 | { | |
711584ea | 984 | struct hci_cb *cb; |
8c1b2355 | 985 | __u8 encrypt; |
1da177e4 LT |
986 | |
987 | hci_proto_auth_cfm(conn, status); | |
988 | ||
51a8efd7 | 989 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) |
8c1b2355 MH |
990 | return; |
991 | ||
992 | encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00; | |
993 | ||
f20d09d5 | 994 | read_lock(&hci_cb_list_lock); |
711584ea | 995 | list_for_each_entry(cb, &hci_cb_list, list) { |
8c1b2355 MH |
996 | if (cb->security_cfm) |
997 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 998 | } |
f20d09d5 | 999 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
1000 | } |
1001 | ||
5a9d0a3f WR |
1002 | static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status, |
1003 | __u8 encrypt) | |
1da177e4 | 1004 | { |
711584ea | 1005 | struct hci_cb *cb; |
1da177e4 | 1006 | |
435fef20 MH |
1007 | if (conn->sec_level == BT_SECURITY_SDP) |
1008 | conn->sec_level = BT_SECURITY_LOW; | |
1009 | ||
88167aed VCG |
1010 | if (conn->pending_sec_level > conn->sec_level) |
1011 | conn->sec_level = conn->pending_sec_level; | |
1012 | ||
9719f8af | 1013 | hci_proto_encrypt_cfm(conn, status, encrypt); |
1da177e4 | 1014 | |
f20d09d5 | 1015 | read_lock(&hci_cb_list_lock); |
711584ea | 1016 | list_for_each_entry(cb, &hci_cb_list, list) { |
8c1b2355 MH |
1017 | if (cb->security_cfm) |
1018 | cb->security_cfm(conn, status, encrypt); | |
1da177e4 | 1019 | } |
f20d09d5 | 1020 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
1021 | } |
1022 | ||
1023 | static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) | |
1024 | { | |
711584ea | 1025 | struct hci_cb *cb; |
1da177e4 | 1026 | |
f20d09d5 | 1027 | read_lock(&hci_cb_list_lock); |
711584ea | 1028 | list_for_each_entry(cb, &hci_cb_list, list) { |
1da177e4 LT |
1029 | if (cb->key_change_cfm) |
1030 | cb->key_change_cfm(conn, status); | |
1031 | } | |
f20d09d5 | 1032 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
1033 | } |
1034 | ||
5a9d0a3f WR |
1035 | static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, |
1036 | __u8 role) | |
1da177e4 | 1037 | { |
711584ea | 1038 | struct hci_cb *cb; |
1da177e4 | 1039 | |
f20d09d5 | 1040 | read_lock(&hci_cb_list_lock); |
711584ea | 1041 | list_for_each_entry(cb, &hci_cb_list, list) { |
1da177e4 LT |
1042 | if (cb->role_switch_cfm) |
1043 | cb->role_switch_cfm(conn, status, role); | |
1044 | } | |
f20d09d5 | 1045 | read_unlock(&hci_cb_list_lock); |
1da177e4 LT |
1046 | } |
1047 | ||
6759a675 JH |
1048 | static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) |
1049 | { | |
84d9d071 | 1050 | size_t parsed = 0; |
6759a675 | 1051 | |
6c0c331e JH |
1052 | if (data_len < 2) |
1053 | return false; | |
1054 | ||
84d9d071 JH |
1055 | while (parsed < data_len - 1) { |
1056 | u8 field_len = data[0]; | |
6759a675 JH |
1057 | |
1058 | if (field_len == 0) | |
1059 | break; | |
1060 | ||
1061 | parsed += field_len + 1; | |
1062 | ||
1063 | if (parsed > data_len) | |
1064 | break; | |
1065 | ||
1066 | if (data[1] == type) | |
1067 | return true; | |
1068 | ||
1069 | data += field_len + 1; | |
1070 | } | |
1071 | ||
1072 | return false; | |
1073 | } | |
1074 | ||
301cb2d8 JH |
1075 | static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) |
1076 | { | |
1077 | if (addr_type != 0x01) | |
1078 | return false; | |
1079 | ||
1080 | if ((bdaddr->b[5] & 0xc0) == 0x40) | |
1081 | return true; | |
1082 | ||
1083 | return false; | |
1084 | } | |
1085 | ||
2426f3a5 JH |
1086 | static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, |
1087 | bdaddr_t *bdaddr, u8 addr_type) | |
1088 | { | |
1089 | if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) | |
1090 | return NULL; | |
1091 | ||
1092 | return hci_find_irk_by_rpa(hdev, bdaddr); | |
1093 | } | |
1094 | ||
1da177e4 LT |
1095 | int hci_register_cb(struct hci_cb *hcb); |
1096 | int hci_unregister_cb(struct hci_cb *hcb); | |
1097 | ||
3119ae95 JH |
1098 | struct hci_request { |
1099 | struct hci_dev *hdev; | |
1100 | struct sk_buff_head cmd_q; | |
5d73e034 AG |
1101 | |
1102 | /* If something goes wrong when building the HCI request, the error | |
1103 | * value is stored in this field. | |
1104 | */ | |
1105 | int err; | |
3119ae95 JH |
1106 | }; |
1107 | ||
1108 | void hci_req_init(struct hci_request *req, struct hci_dev *hdev); | |
1109 | int hci_req_run(struct hci_request *req, hci_req_complete_t complete); | |
07dc93dd JH |
1110 | void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, |
1111 | const void *param); | |
1112 | void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, | |
1113 | const void *param, u8 event); | |
9238f36a | 1114 | void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status); |
3119ae95 | 1115 | |
75e84b7c | 1116 | struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, |
07dc93dd | 1117 | const void *param, u32 timeout); |
7b1abbbe | 1118 | struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, |
07dc93dd | 1119 | const void *param, u8 event, u32 timeout); |
75e84b7c | 1120 | |
07dc93dd JH |
1121 | int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, |
1122 | const void *param); | |
73d80deb | 1123 | void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); |
0d861d8b | 1124 | void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); |
1da177e4 | 1125 | |
a9de9248 | 1126 | void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); |
1da177e4 | 1127 | |
1da177e4 | 1128 | /* ----- HCI Sockets ----- */ |
470fe1b5 MH |
1129 | void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); |
1130 | void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk); | |
cd82e61c | 1131 | void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); |
1da177e4 | 1132 | |
040030ef MH |
1133 | void hci_sock_dev_event(struct hci_dev *hdev, int event); |
1134 | ||
0381101f | 1135 | /* Management interface */ |
591f47f3 AG |
1136 | #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) |
1137 | #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ | |
1138 | BIT(BDADDR_LE_RANDOM)) | |
1139 | #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ | |
1140 | BIT(BDADDR_LE_PUBLIC) | \ | |
1141 | BIT(BDADDR_LE_RANDOM)) | |
f39799f5 | 1142 | |
0d8cc935 AG |
1143 | /* These LE scan and inquiry parameters were chosen according to LE General |
1144 | * Discovery Procedure specification. | |
1145 | */ | |
1146 | #define DISCOV_LE_SCAN_WIN 0x12 | |
1147 | #define DISCOV_LE_SCAN_INT 0x12 | |
1148 | #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240) | |
1149 | #define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120) | |
1150 | #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 | |
1151 | #define DISCOV_BREDR_INQUIRY_LEN 0x08 | |
1152 | ||
0381101f | 1153 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len); |
bf6b56db MH |
1154 | void mgmt_index_added(struct hci_dev *hdev); |
1155 | void mgmt_index_removed(struct hci_dev *hdev); | |
3eec705e | 1156 | void mgmt_set_powered_failed(struct hci_dev *hdev, int err); |
744cf19e | 1157 | int mgmt_powered(struct hci_dev *hdev, u8 powered); |
d1967ff8 | 1158 | void mgmt_discoverable_timeout(struct hci_dev *hdev); |
86a75645 | 1159 | void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable); |
a330916c | 1160 | void mgmt_connectable(struct hci_dev *hdev, u8 connectable); |
4796e8af | 1161 | void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status); |
dc4a5ee2 MH |
1162 | void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, |
1163 | bool persistent); | |
ecd90ae7 MH |
1164 | void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1165 | u8 addr_type, u32 flags, u8 *name, u8 name_len, | |
1166 | u8 *dev_class); | |
9b80ec5e MH |
1167 | void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1168 | u8 link_type, u8 addr_type, u8 reason); | |
7892924c MH |
1169 | void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1170 | u8 link_type, u8 addr_type, u8 status); | |
445608d0 MH |
1171 | void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1172 | u8 addr_type, u8 status); | |
ce0e4a0d | 1173 | void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); |
e669cf80 MH |
1174 | void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1175 | u8 status); | |
3eb38528 MH |
1176 | void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1177 | u8 status); | |
744cf19e | 1178 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 GP |
1179 | u8 link_type, u8 addr_type, __le32 value, |
1180 | u8 confirm_hint); | |
744cf19e | 1181 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1182 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1183 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1184 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1185 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1186 | u8 link_type, u8 addr_type); |
604086b7 | 1187 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1188 | u8 link_type, u8 addr_type, u8 status); |
272d90df | 1189 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 1190 | u8 link_type, u8 addr_type, u8 status); |
92a25256 JH |
1191 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, |
1192 | u8 link_type, u8 addr_type, u32 passkey, | |
1193 | u8 entered); | |
e546099c MH |
1194 | void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1195 | u8 addr_type, u8 status); | |
464996ae | 1196 | void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); |
3e248560 | 1197 | void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
eac83dc6 | 1198 | void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); |
4e1b0245 MH |
1199 | void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
1200 | u8 status); | |
7667da34 | 1201 | void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); |
4d2d2796 MH |
1202 | void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, |
1203 | u8 *randomizer192, u8 *hash256, | |
1204 | u8 *randomizer256, u8 status); | |
901801b9 MH |
1205 | void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1206 | u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, | |
1207 | u8 ssp, u8 *eir, u16 eir_len); | |
9cf12aee MH |
1208 | void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
1209 | u8 addr_type, s8 rssi, u8 *name, u8 name_len); | |
2f1e063b | 1210 | void mgmt_discovering(struct hci_dev *hdev, u8 discovering); |
88c1fe4b JH |
1211 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); |
1212 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); | |
083368f7 | 1213 | void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent); |
5976e608 | 1214 | void mgmt_reenable_advertising(struct hci_dev *hdev); |
f4a407be | 1215 | void mgmt_smp_complete(struct hci_conn *conn, bool complete); |
346af67b | 1216 | |
1da177e4 LT |
1217 | /* HCI info for socket */ |
1218 | #define hci_pi(sk) ((struct hci_pinfo *) sk) | |
1219 | ||
1220 | struct hci_pinfo { | |
1221 | struct bt_sock bt; | |
1222 | struct hci_dev *hdev; | |
1223 | struct hci_filter filter; | |
1224 | __u32 cmsg_mask; | |
c02178d2 | 1225 | unsigned short channel; |
1da177e4 LT |
1226 | }; |
1227 | ||
1228 | /* HCI security filter */ | |
1229 | #define HCI_SFLT_MAX_OGF 5 | |
1230 | ||
1231 | struct hci_sec_filter { | |
1232 | __u32 type_mask; | |
1233 | __u32 event_mask[2]; | |
1234 | __u32 ocf_mask[HCI_SFLT_MAX_OGF + 1][4]; | |
1235 | }; | |
1236 | ||
1237 | /* ----- HCI requests ----- */ | |
1238 | #define HCI_REQ_DONE 0 | |
1239 | #define HCI_REQ_PEND 1 | |
1240 | #define HCI_REQ_CANCELED 2 | |
1241 | ||
a6a67efd TG |
1242 | #define hci_req_lock(d) mutex_lock(&d->req_lock) |
1243 | #define hci_req_unlock(d) mutex_unlock(&d->req_lock) | |
1da177e4 | 1244 | |
2ce603eb CT |
1245 | void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, |
1246 | u16 latency, u16 to_multiplier); | |
a7a595f6 VCG |
1247 | void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], |
1248 | __u8 ltk[16]); | |
2519a1fc | 1249 | |
5d4d62f6 FD |
1250 | #define SCO_AIRMODE_MASK 0x0003 |
1251 | #define SCO_AIRMODE_CVSD 0x0000 | |
1252 | #define SCO_AIRMODE_TRANSP 0x0003 | |
1253 | ||
1da177e4 | 1254 | #endif /* __HCI_CORE_H */ |