Commit | Line | Data |
---|---|---|
8e87d142 | 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 | |
8e87d142 YH |
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 | ||
8e87d142 YH |
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 | /* Bluetooth HCI event handling. */ | |
26 | ||
1da177e4 LT |
27 | #include <asm/unaligned.h> |
28 | ||
29 | #include <net/bluetooth/bluetooth.h> | |
30 | #include <net/bluetooth/hci_core.h> | |
f0d6a0ea | 31 | #include <net/bluetooth/mgmt.h> |
7ef9fbf0 | 32 | |
0857dd3b | 33 | #include "hci_request.h" |
23b9ceb7 | 34 | #include "hci_debugfs.h" |
7024728e | 35 | #include "a2mp.h" |
7ef9fbf0 | 36 | #include "amp.h" |
2ceba539 | 37 | #include "smp.h" |
1da177e4 | 38 | |
aa5b0345 MH |
39 | #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \ |
40 | "\x00\x00\x00\x00\x00\x00\x00\x00" | |
41 | ||
1da177e4 LT |
42 | /* Handle HCI Event packets */ |
43 | ||
a9de9248 | 44 | static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 45 | { |
a9de9248 | 46 | __u8 status = *((__u8 *) skb->data); |
1da177e4 | 47 | |
9f1db00c | 48 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 49 | |
82f4785c | 50 | if (status) |
a9de9248 | 51 | return; |
1da177e4 | 52 | |
89352e7d | 53 | clear_bit(HCI_INQUIRY, &hdev->flags); |
4e857c58 | 54 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e | 55 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
89352e7d | 56 | |
50143a43 | 57 | hci_dev_lock(hdev); |
168b8a25 JP |
58 | /* Set discovery state to stopped if we're not doing LE active |
59 | * scanning. | |
60 | */ | |
61 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
62 | hdev->le_scan_type != LE_SCAN_ACTIVE) | |
63 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
50143a43 JH |
64 | hci_dev_unlock(hdev); |
65 | ||
a9de9248 MH |
66 | hci_conn_check_pending(hdev); |
67 | } | |
6bd57416 | 68 | |
4d93483b AG |
69 | static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
70 | { | |
71 | __u8 status = *((__u8 *) skb->data); | |
72 | ||
9f1db00c | 73 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
ae854a70 AG |
74 | |
75 | if (status) | |
76 | return; | |
77 | ||
a1536da2 | 78 | hci_dev_set_flag(hdev, HCI_PERIODIC_INQ); |
4d93483b AG |
79 | } |
80 | ||
a9de9248 MH |
81 | static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
82 | { | |
83 | __u8 status = *((__u8 *) skb->data); | |
6bd57416 | 84 | |
9f1db00c | 85 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
6bd57416 | 86 | |
a9de9248 MH |
87 | if (status) |
88 | return; | |
1da177e4 | 89 | |
a358dc11 | 90 | hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); |
ae854a70 | 91 | |
a9de9248 MH |
92 | hci_conn_check_pending(hdev); |
93 | } | |
94 | ||
807deac2 GP |
95 | static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, |
96 | struct sk_buff *skb) | |
a9de9248 MH |
97 | { |
98 | BT_DBG("%s", hdev->name); | |
99 | } | |
100 | ||
101 | static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) | |
102 | { | |
103 | struct hci_rp_role_discovery *rp = (void *) skb->data; | |
104 | struct hci_conn *conn; | |
105 | ||
9f1db00c | 106 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
107 | |
108 | if (rp->status) | |
109 | return; | |
110 | ||
111 | hci_dev_lock(hdev); | |
112 | ||
113 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
40bef302 JH |
114 | if (conn) |
115 | conn->role = rp->role; | |
a9de9248 MH |
116 | |
117 | hci_dev_unlock(hdev); | |
1da177e4 LT |
118 | } |
119 | ||
e4e8e37c MH |
120 | static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
121 | { | |
122 | struct hci_rp_read_link_policy *rp = (void *) skb->data; | |
123 | struct hci_conn *conn; | |
124 | ||
9f1db00c | 125 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
e4e8e37c MH |
126 | |
127 | if (rp->status) | |
128 | return; | |
129 | ||
130 | hci_dev_lock(hdev); | |
131 | ||
132 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
133 | if (conn) | |
134 | conn->link_policy = __le16_to_cpu(rp->policy); | |
135 | ||
136 | hci_dev_unlock(hdev); | |
137 | } | |
138 | ||
a9de9248 | 139 | static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 140 | { |
a9de9248 | 141 | struct hci_rp_write_link_policy *rp = (void *) skb->data; |
1da177e4 | 142 | struct hci_conn *conn; |
04837f64 | 143 | void *sent; |
1da177e4 | 144 | |
9f1db00c | 145 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 146 | |
a9de9248 MH |
147 | if (rp->status) |
148 | return; | |
1da177e4 | 149 | |
a9de9248 MH |
150 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY); |
151 | if (!sent) | |
152 | return; | |
1da177e4 | 153 | |
a9de9248 | 154 | hci_dev_lock(hdev); |
1da177e4 | 155 | |
a9de9248 | 156 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
e4e8e37c | 157 | if (conn) |
83985319 | 158 | conn->link_policy = get_unaligned_le16(sent + 2); |
1da177e4 | 159 | |
a9de9248 MH |
160 | hci_dev_unlock(hdev); |
161 | } | |
1da177e4 | 162 | |
807deac2 GP |
163 | static void hci_cc_read_def_link_policy(struct hci_dev *hdev, |
164 | struct sk_buff *skb) | |
e4e8e37c MH |
165 | { |
166 | struct hci_rp_read_def_link_policy *rp = (void *) skb->data; | |
167 | ||
9f1db00c | 168 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
e4e8e37c MH |
169 | |
170 | if (rp->status) | |
171 | return; | |
172 | ||
173 | hdev->link_policy = __le16_to_cpu(rp->policy); | |
174 | } | |
175 | ||
807deac2 GP |
176 | static void hci_cc_write_def_link_policy(struct hci_dev *hdev, |
177 | struct sk_buff *skb) | |
e4e8e37c MH |
178 | { |
179 | __u8 status = *((__u8 *) skb->data); | |
180 | void *sent; | |
181 | ||
9f1db00c | 182 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
e4e8e37c | 183 | |
45296acd MH |
184 | if (status) |
185 | return; | |
186 | ||
e4e8e37c MH |
187 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); |
188 | if (!sent) | |
189 | return; | |
190 | ||
45296acd | 191 | hdev->link_policy = get_unaligned_le16(sent); |
e4e8e37c MH |
192 | } |
193 | ||
a9de9248 MH |
194 | static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) |
195 | { | |
196 | __u8 status = *((__u8 *) skb->data); | |
04837f64 | 197 | |
9f1db00c | 198 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 199 | |
10572132 GP |
200 | clear_bit(HCI_RESET, &hdev->flags); |
201 | ||
8761f9d6 MH |
202 | if (status) |
203 | return; | |
204 | ||
a297e97c | 205 | /* Reset all non-persistent flags */ |
eacb44df | 206 | hci_dev_clear_volatile_flags(hdev); |
69775ff6 | 207 | |
39c5d970 JH |
208 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
209 | ||
bbaf444a JH |
210 | hdev->inq_tx_power = HCI_TX_POWER_INVALID; |
211 | hdev->adv_tx_power = HCI_TX_POWER_INVALID; | |
3f0f524b JH |
212 | |
213 | memset(hdev->adv_data, 0, sizeof(hdev->adv_data)); | |
214 | hdev->adv_data_len = 0; | |
f8e808bd MH |
215 | |
216 | memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data)); | |
217 | hdev->scan_rsp_data_len = 0; | |
06f5b778 | 218 | |
533553f8 MH |
219 | hdev->le_scan_type = LE_SCAN_PASSIVE; |
220 | ||
06f5b778 | 221 | hdev->ssp_debug_mode = 0; |
a4d5504d MH |
222 | |
223 | hci_bdaddr_list_clear(&hdev->le_white_list); | |
cfdb0c2d | 224 | hci_bdaddr_list_clear(&hdev->le_resolv_list); |
a9de9248 | 225 | } |
04837f64 | 226 | |
c2f0f979 MH |
227 | static void hci_cc_read_stored_link_key(struct hci_dev *hdev, |
228 | struct sk_buff *skb) | |
229 | { | |
230 | struct hci_rp_read_stored_link_key *rp = (void *)skb->data; | |
231 | struct hci_cp_read_stored_link_key *sent; | |
232 | ||
233 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
234 | ||
235 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY); | |
236 | if (!sent) | |
237 | return; | |
238 | ||
239 | if (!rp->status && sent->read_all == 0x01) { | |
240 | hdev->stored_max_keys = rp->max_keys; | |
241 | hdev->stored_num_keys = rp->num_keys; | |
242 | } | |
243 | } | |
244 | ||
a9366120 MH |
245 | static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, |
246 | struct sk_buff *skb) | |
247 | { | |
248 | struct hci_rp_delete_stored_link_key *rp = (void *)skb->data; | |
249 | ||
250 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
251 | ||
252 | if (rp->status) | |
253 | return; | |
254 | ||
255 | if (rp->num_keys <= hdev->stored_num_keys) | |
256 | hdev->stored_num_keys -= rp->num_keys; | |
257 | else | |
258 | hdev->stored_num_keys = 0; | |
259 | } | |
260 | ||
a9de9248 MH |
261 | static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) |
262 | { | |
263 | __u8 status = *((__u8 *) skb->data); | |
264 | void *sent; | |
04837f64 | 265 | |
9f1db00c | 266 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 267 | |
a9de9248 MH |
268 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); |
269 | if (!sent) | |
270 | return; | |
04837f64 | 271 | |
56e5cb86 JH |
272 | hci_dev_lock(hdev); |
273 | ||
d7a5a11d | 274 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
f51d5b24 | 275 | mgmt_set_local_name_complete(hdev, sent, status); |
28cc7bde JH |
276 | else if (!status) |
277 | memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); | |
f51d5b24 | 278 | |
56e5cb86 | 279 | hci_dev_unlock(hdev); |
a9de9248 MH |
280 | } |
281 | ||
282 | static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) | |
283 | { | |
284 | struct hci_rp_read_local_name *rp = (void *) skb->data; | |
285 | ||
9f1db00c | 286 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
287 | |
288 | if (rp->status) | |
289 | return; | |
290 | ||
d7a5a11d MH |
291 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
292 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
db99b5fc | 293 | memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); |
a9de9248 MH |
294 | } |
295 | ||
296 | static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) | |
297 | { | |
298 | __u8 status = *((__u8 *) skb->data); | |
299 | void *sent; | |
300 | ||
9f1db00c | 301 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
302 | |
303 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); | |
304 | if (!sent) | |
305 | return; | |
306 | ||
5c1a4c8f JK |
307 | hci_dev_lock(hdev); |
308 | ||
a9de9248 MH |
309 | if (!status) { |
310 | __u8 param = *((__u8 *) sent); | |
311 | ||
312 | if (param == AUTH_ENABLED) | |
313 | set_bit(HCI_AUTH, &hdev->flags); | |
314 | else | |
315 | clear_bit(HCI_AUTH, &hdev->flags); | |
1da177e4 | 316 | } |
a9de9248 | 317 | |
d7a5a11d | 318 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
33ef95ed | 319 | mgmt_auth_enable_complete(hdev, status); |
5c1a4c8f JK |
320 | |
321 | hci_dev_unlock(hdev); | |
1da177e4 LT |
322 | } |
323 | ||
a9de9248 | 324 | static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 325 | { |
a9de9248 | 326 | __u8 status = *((__u8 *) skb->data); |
45296acd | 327 | __u8 param; |
1da177e4 LT |
328 | void *sent; |
329 | ||
9f1db00c | 330 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 331 | |
45296acd MH |
332 | if (status) |
333 | return; | |
334 | ||
a9de9248 MH |
335 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); |
336 | if (!sent) | |
337 | return; | |
1da177e4 | 338 | |
45296acd | 339 | param = *((__u8 *) sent); |
a9de9248 | 340 | |
45296acd MH |
341 | if (param) |
342 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
343 | else | |
344 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
a9de9248 | 345 | } |
1da177e4 | 346 | |
a9de9248 MH |
347 | static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) |
348 | { | |
45296acd MH |
349 | __u8 status = *((__u8 *) skb->data); |
350 | __u8 param; | |
a9de9248 | 351 | void *sent; |
1da177e4 | 352 | |
9f1db00c | 353 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 354 | |
a9de9248 MH |
355 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); |
356 | if (!sent) | |
357 | return; | |
1da177e4 | 358 | |
36f7fc7e JH |
359 | param = *((__u8 *) sent); |
360 | ||
56e5cb86 JH |
361 | hci_dev_lock(hdev); |
362 | ||
fa1bd918 | 363 | if (status) { |
2d7cee58 JH |
364 | hdev->discov_timeout = 0; |
365 | goto done; | |
366 | } | |
367 | ||
bc6d2d04 | 368 | if (param & SCAN_INQUIRY) |
36f7fc7e | 369 | set_bit(HCI_ISCAN, &hdev->flags); |
bc6d2d04 JH |
370 | else |
371 | clear_bit(HCI_ISCAN, &hdev->flags); | |
36f7fc7e | 372 | |
031547d8 | 373 | if (param & SCAN_PAGE) |
36f7fc7e | 374 | set_bit(HCI_PSCAN, &hdev->flags); |
bc6d2d04 | 375 | else |
204e3990 | 376 | clear_bit(HCI_PSCAN, &hdev->flags); |
1da177e4 | 377 | |
36f7fc7e | 378 | done: |
56e5cb86 | 379 | hci_dev_unlock(hdev); |
a9de9248 | 380 | } |
1da177e4 | 381 | |
a9de9248 MH |
382 | static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
383 | { | |
384 | struct hci_rp_read_class_of_dev *rp = (void *) skb->data; | |
1da177e4 | 385 | |
9f1db00c | 386 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 387 | |
a9de9248 MH |
388 | if (rp->status) |
389 | return; | |
1da177e4 | 390 | |
a9de9248 | 391 | memcpy(hdev->dev_class, rp->dev_class, 3); |
1da177e4 | 392 | |
a9de9248 | 393 | BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, |
807deac2 | 394 | hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); |
a9de9248 | 395 | } |
1da177e4 | 396 | |
a9de9248 MH |
397 | static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
398 | { | |
399 | __u8 status = *((__u8 *) skb->data); | |
400 | void *sent; | |
1da177e4 | 401 | |
9f1db00c | 402 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 403 | |
a9de9248 MH |
404 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
405 | if (!sent) | |
406 | return; | |
1da177e4 | 407 | |
7f9a903c MH |
408 | hci_dev_lock(hdev); |
409 | ||
410 | if (status == 0) | |
411 | memcpy(hdev->dev_class, sent, 3); | |
412 | ||
d7a5a11d | 413 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
7f9a903c MH |
414 | mgmt_set_class_of_dev_complete(hdev, sent, status); |
415 | ||
416 | hci_dev_unlock(hdev); | |
a9de9248 | 417 | } |
1da177e4 | 418 | |
a9de9248 MH |
419 | static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) |
420 | { | |
421 | struct hci_rp_read_voice_setting *rp = (void *) skb->data; | |
422 | __u16 setting; | |
423 | ||
9f1db00c | 424 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
425 | |
426 | if (rp->status) | |
427 | return; | |
428 | ||
429 | setting = __le16_to_cpu(rp->voice_setting); | |
430 | ||
f383f275 | 431 | if (hdev->voice_setting == setting) |
a9de9248 MH |
432 | return; |
433 | ||
434 | hdev->voice_setting = setting; | |
435 | ||
9f1db00c | 436 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
a9de9248 | 437 | |
3c54711c | 438 | if (hdev->notify) |
a9de9248 | 439 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
a9de9248 MH |
440 | } |
441 | ||
8fc9ced3 GP |
442 | static void hci_cc_write_voice_setting(struct hci_dev *hdev, |
443 | struct sk_buff *skb) | |
a9de9248 MH |
444 | { |
445 | __u8 status = *((__u8 *) skb->data); | |
f383f275 | 446 | __u16 setting; |
a9de9248 MH |
447 | void *sent; |
448 | ||
9f1db00c | 449 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 450 | |
f383f275 MH |
451 | if (status) |
452 | return; | |
453 | ||
a9de9248 MH |
454 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
455 | if (!sent) | |
456 | return; | |
1da177e4 | 457 | |
f383f275 | 458 | setting = get_unaligned_le16(sent); |
1da177e4 | 459 | |
f383f275 MH |
460 | if (hdev->voice_setting == setting) |
461 | return; | |
462 | ||
463 | hdev->voice_setting = setting; | |
1da177e4 | 464 | |
9f1db00c | 465 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
1da177e4 | 466 | |
3c54711c | 467 | if (hdev->notify) |
f383f275 | 468 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
1da177e4 LT |
469 | } |
470 | ||
b4cb9fb2 MH |
471 | static void hci_cc_read_num_supported_iac(struct hci_dev *hdev, |
472 | struct sk_buff *skb) | |
473 | { | |
474 | struct hci_rp_read_num_supported_iac *rp = (void *) skb->data; | |
475 | ||
476 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
477 | ||
478 | if (rp->status) | |
479 | return; | |
480 | ||
481 | hdev->num_iac = rp->num_iac; | |
482 | ||
483 | BT_DBG("%s num iac %d", hdev->name, hdev->num_iac); | |
484 | } | |
485 | ||
333140b5 MH |
486 | static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) |
487 | { | |
488 | __u8 status = *((__u8 *) skb->data); | |
5ed8eb2f | 489 | struct hci_cp_write_ssp_mode *sent; |
333140b5 | 490 | |
9f1db00c | 491 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
333140b5 | 492 | |
333140b5 MH |
493 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); |
494 | if (!sent) | |
495 | return; | |
496 | ||
5c1a4c8f JK |
497 | hci_dev_lock(hdev); |
498 | ||
5ed8eb2f JH |
499 | if (!status) { |
500 | if (sent->mode) | |
cad718ed | 501 | hdev->features[1][0] |= LMP_HOST_SSP; |
5ed8eb2f | 502 | else |
cad718ed | 503 | hdev->features[1][0] &= ~LMP_HOST_SSP; |
5ed8eb2f JH |
504 | } |
505 | ||
d7a5a11d | 506 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
5ed8eb2f | 507 | mgmt_ssp_enable_complete(hdev, sent->mode, status); |
c0ecddc2 | 508 | else if (!status) { |
5ed8eb2f | 509 | if (sent->mode) |
a1536da2 | 510 | hci_dev_set_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 511 | else |
a358dc11 | 512 | hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 513 | } |
5c1a4c8f JK |
514 | |
515 | hci_dev_unlock(hdev); | |
333140b5 MH |
516 | } |
517 | ||
eac83dc6 MH |
518 | static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb) |
519 | { | |
520 | u8 status = *((u8 *) skb->data); | |
521 | struct hci_cp_write_sc_support *sent; | |
522 | ||
523 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
524 | ||
525 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT); | |
526 | if (!sent) | |
527 | return; | |
528 | ||
5c1a4c8f JK |
529 | hci_dev_lock(hdev); |
530 | ||
eac83dc6 MH |
531 | if (!status) { |
532 | if (sent->support) | |
533 | hdev->features[1][0] |= LMP_HOST_SC; | |
534 | else | |
535 | hdev->features[1][0] &= ~LMP_HOST_SC; | |
536 | } | |
537 | ||
d7a5a11d | 538 | if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) { |
eac83dc6 | 539 | if (sent->support) |
a1536da2 | 540 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 541 | else |
a358dc11 | 542 | hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 543 | } |
5c1a4c8f JK |
544 | |
545 | hci_dev_unlock(hdev); | |
eac83dc6 MH |
546 | } |
547 | ||
a9de9248 MH |
548 | static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) |
549 | { | |
550 | struct hci_rp_read_local_version *rp = (void *) skb->data; | |
1143e5a6 | 551 | |
9f1db00c | 552 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143e5a6 | 553 | |
a9de9248 | 554 | if (rp->status) |
42c6b129 | 555 | return; |
1143e5a6 | 556 | |
d7a5a11d MH |
557 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
558 | hci_dev_test_flag(hdev, HCI_CONFIG)) { | |
0d5551f5 MH |
559 | hdev->hci_ver = rp->hci_ver; |
560 | hdev->hci_rev = __le16_to_cpu(rp->hci_rev); | |
561 | hdev->lmp_ver = rp->lmp_ver; | |
562 | hdev->manufacturer = __le16_to_cpu(rp->manufacturer); | |
563 | hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); | |
564 | } | |
d5859e22 JH |
565 | } |
566 | ||
8fc9ced3 GP |
567 | static void hci_cc_read_local_commands(struct hci_dev *hdev, |
568 | struct sk_buff *skb) | |
a9de9248 MH |
569 | { |
570 | struct hci_rp_read_local_commands *rp = (void *) skb->data; | |
1da177e4 | 571 | |
9f1db00c | 572 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 573 | |
6a070e6e MH |
574 | if (rp->status) |
575 | return; | |
576 | ||
d7a5a11d MH |
577 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
578 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
2177bab5 | 579 | memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
a9de9248 | 580 | } |
1da177e4 | 581 | |
302975cb SRK |
582 | static void hci_cc_read_auth_payload_timeout(struct hci_dev *hdev, |
583 | struct sk_buff *skb) | |
584 | { | |
585 | struct hci_rp_read_auth_payload_to *rp = (void *)skb->data; | |
586 | struct hci_conn *conn; | |
587 | ||
588 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
589 | ||
590 | if (rp->status) | |
591 | return; | |
592 | ||
593 | hci_dev_lock(hdev); | |
594 | ||
595 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
596 | if (conn) | |
597 | conn->auth_payload_timeout = __le16_to_cpu(rp->timeout); | |
598 | ||
599 | hci_dev_unlock(hdev); | |
600 | } | |
601 | ||
602 | static void hci_cc_write_auth_payload_timeout(struct hci_dev *hdev, | |
603 | struct sk_buff *skb) | |
604 | { | |
605 | struct hci_rp_write_auth_payload_to *rp = (void *)skb->data; | |
606 | struct hci_conn *conn; | |
607 | void *sent; | |
608 | ||
609 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
610 | ||
611 | if (rp->status) | |
612 | return; | |
613 | ||
614 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO); | |
615 | if (!sent) | |
616 | return; | |
617 | ||
618 | hci_dev_lock(hdev); | |
619 | ||
620 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
621 | if (conn) | |
622 | conn->auth_payload_timeout = get_unaligned_le16(sent + 2); | |
623 | ||
624 | hci_dev_unlock(hdev); | |
625 | } | |
626 | ||
8fc9ced3 GP |
627 | static void hci_cc_read_local_features(struct hci_dev *hdev, |
628 | struct sk_buff *skb) | |
a9de9248 MH |
629 | { |
630 | struct hci_rp_read_local_features *rp = (void *) skb->data; | |
5b7f9909 | 631 | |
9f1db00c | 632 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 633 | |
a9de9248 MH |
634 | if (rp->status) |
635 | return; | |
5b7f9909 | 636 | |
a9de9248 | 637 | memcpy(hdev->features, rp->features, 8); |
5b7f9909 | 638 | |
a9de9248 MH |
639 | /* Adjust default settings according to features |
640 | * supported by device. */ | |
1da177e4 | 641 | |
cad718ed | 642 | if (hdev->features[0][0] & LMP_3SLOT) |
a9de9248 | 643 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); |
1da177e4 | 644 | |
cad718ed | 645 | if (hdev->features[0][0] & LMP_5SLOT) |
a9de9248 | 646 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); |
1da177e4 | 647 | |
cad718ed | 648 | if (hdev->features[0][1] & LMP_HV2) { |
a9de9248 MH |
649 | hdev->pkt_type |= (HCI_HV2); |
650 | hdev->esco_type |= (ESCO_HV2); | |
651 | } | |
1da177e4 | 652 | |
cad718ed | 653 | if (hdev->features[0][1] & LMP_HV3) { |
a9de9248 MH |
654 | hdev->pkt_type |= (HCI_HV3); |
655 | hdev->esco_type |= (ESCO_HV3); | |
656 | } | |
1da177e4 | 657 | |
45db810f | 658 | if (lmp_esco_capable(hdev)) |
a9de9248 | 659 | hdev->esco_type |= (ESCO_EV3); |
da1f5198 | 660 | |
cad718ed | 661 | if (hdev->features[0][4] & LMP_EV4) |
a9de9248 | 662 | hdev->esco_type |= (ESCO_EV4); |
da1f5198 | 663 | |
cad718ed | 664 | if (hdev->features[0][4] & LMP_EV5) |
a9de9248 | 665 | hdev->esco_type |= (ESCO_EV5); |
1da177e4 | 666 | |
cad718ed | 667 | if (hdev->features[0][5] & LMP_EDR_ESCO_2M) |
efc7688b MH |
668 | hdev->esco_type |= (ESCO_2EV3); |
669 | ||
cad718ed | 670 | if (hdev->features[0][5] & LMP_EDR_ESCO_3M) |
efc7688b MH |
671 | hdev->esco_type |= (ESCO_3EV3); |
672 | ||
cad718ed | 673 | if (hdev->features[0][5] & LMP_EDR_3S_ESCO) |
efc7688b | 674 | hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); |
a9de9248 | 675 | } |
1da177e4 | 676 | |
971e3a4b | 677 | static void hci_cc_read_local_ext_features(struct hci_dev *hdev, |
807deac2 | 678 | struct sk_buff *skb) |
971e3a4b AG |
679 | { |
680 | struct hci_rp_read_local_ext_features *rp = (void *) skb->data; | |
681 | ||
9f1db00c | 682 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
971e3a4b AG |
683 | |
684 | if (rp->status) | |
42c6b129 | 685 | return; |
971e3a4b | 686 | |
57af75a8 MH |
687 | if (hdev->max_page < rp->max_page) |
688 | hdev->max_page = rp->max_page; | |
d2c5d77f | 689 | |
cad718ed JH |
690 | if (rp->page < HCI_MAX_PAGES) |
691 | memcpy(hdev->features[rp->page], rp->features, 8); | |
971e3a4b AG |
692 | } |
693 | ||
1e89cffb | 694 | static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, |
807deac2 | 695 | struct sk_buff *skb) |
1e89cffb AE |
696 | { |
697 | struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; | |
698 | ||
9f1db00c | 699 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1e89cffb | 700 | |
45296acd MH |
701 | if (rp->status) |
702 | return; | |
703 | ||
704 | hdev->flow_ctl_mode = rp->mode; | |
1e89cffb AE |
705 | } |
706 | ||
a9de9248 MH |
707 | static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) |
708 | { | |
709 | struct hci_rp_read_buffer_size *rp = (void *) skb->data; | |
1da177e4 | 710 | |
9f1db00c | 711 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 712 | |
a9de9248 MH |
713 | if (rp->status) |
714 | return; | |
1da177e4 | 715 | |
a9de9248 MH |
716 | hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); |
717 | hdev->sco_mtu = rp->sco_mtu; | |
718 | hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); | |
719 | hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); | |
720 | ||
721 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
722 | hdev->sco_mtu = 64; | |
723 | hdev->sco_pkts = 8; | |
1da177e4 | 724 | } |
a9de9248 MH |
725 | |
726 | hdev->acl_cnt = hdev->acl_pkts; | |
727 | hdev->sco_cnt = hdev->sco_pkts; | |
728 | ||
807deac2 GP |
729 | BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu, |
730 | hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts); | |
a9de9248 MH |
731 | } |
732 | ||
733 | static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) | |
734 | { | |
735 | struct hci_rp_read_bd_addr *rp = (void *) skb->data; | |
736 | ||
9f1db00c | 737 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 | 738 | |
e30d3f5f MH |
739 | if (rp->status) |
740 | return; | |
741 | ||
742 | if (test_bit(HCI_INIT, &hdev->flags)) | |
a9de9248 | 743 | bacpy(&hdev->bdaddr, &rp->bdaddr); |
e30d3f5f | 744 | |
d7a5a11d | 745 | if (hci_dev_test_flag(hdev, HCI_SETUP)) |
e30d3f5f | 746 | bacpy(&hdev->setup_addr, &rp->bdaddr); |
23bb5763 JH |
747 | } |
748 | ||
f332ec66 JH |
749 | static void hci_cc_read_page_scan_activity(struct hci_dev *hdev, |
750 | struct sk_buff *skb) | |
751 | { | |
752 | struct hci_rp_read_page_scan_activity *rp = (void *) skb->data; | |
753 | ||
754 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
755 | ||
45296acd MH |
756 | if (rp->status) |
757 | return; | |
758 | ||
759 | if (test_bit(HCI_INIT, &hdev->flags)) { | |
f332ec66 JH |
760 | hdev->page_scan_interval = __le16_to_cpu(rp->interval); |
761 | hdev->page_scan_window = __le16_to_cpu(rp->window); | |
762 | } | |
763 | } | |
764 | ||
4a3ee763 JH |
765 | static void hci_cc_write_page_scan_activity(struct hci_dev *hdev, |
766 | struct sk_buff *skb) | |
767 | { | |
768 | u8 status = *((u8 *) skb->data); | |
769 | struct hci_cp_write_page_scan_activity *sent; | |
770 | ||
771 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
772 | ||
773 | if (status) | |
774 | return; | |
775 | ||
776 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY); | |
777 | if (!sent) | |
778 | return; | |
779 | ||
780 | hdev->page_scan_interval = __le16_to_cpu(sent->interval); | |
781 | hdev->page_scan_window = __le16_to_cpu(sent->window); | |
782 | } | |
783 | ||
f332ec66 JH |
784 | static void hci_cc_read_page_scan_type(struct hci_dev *hdev, |
785 | struct sk_buff *skb) | |
786 | { | |
787 | struct hci_rp_read_page_scan_type *rp = (void *) skb->data; | |
788 | ||
789 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
790 | ||
45296acd MH |
791 | if (rp->status) |
792 | return; | |
793 | ||
794 | if (test_bit(HCI_INIT, &hdev->flags)) | |
f332ec66 JH |
795 | hdev->page_scan_type = rp->type; |
796 | } | |
797 | ||
4a3ee763 JH |
798 | static void hci_cc_write_page_scan_type(struct hci_dev *hdev, |
799 | struct sk_buff *skb) | |
800 | { | |
801 | u8 status = *((u8 *) skb->data); | |
802 | u8 *type; | |
803 | ||
804 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
805 | ||
806 | if (status) | |
807 | return; | |
808 | ||
809 | type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE); | |
810 | if (type) | |
811 | hdev->page_scan_type = *type; | |
812 | } | |
813 | ||
350ee4cf | 814 | static void hci_cc_read_data_block_size(struct hci_dev *hdev, |
807deac2 | 815 | struct sk_buff *skb) |
350ee4cf AE |
816 | { |
817 | struct hci_rp_read_data_block_size *rp = (void *) skb->data; | |
818 | ||
9f1db00c | 819 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
350ee4cf AE |
820 | |
821 | if (rp->status) | |
822 | return; | |
823 | ||
824 | hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); | |
825 | hdev->block_len = __le16_to_cpu(rp->block_len); | |
826 | hdev->num_blocks = __le16_to_cpu(rp->num_blocks); | |
827 | ||
828 | hdev->block_cnt = hdev->num_blocks; | |
829 | ||
830 | BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, | |
807deac2 | 831 | hdev->block_cnt, hdev->block_len); |
350ee4cf AE |
832 | } |
833 | ||
33f35721 JH |
834 | static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb) |
835 | { | |
836 | struct hci_rp_read_clock *rp = (void *) skb->data; | |
837 | struct hci_cp_read_clock *cp; | |
838 | struct hci_conn *conn; | |
839 | ||
840 | BT_DBG("%s", hdev->name); | |
841 | ||
842 | if (skb->len < sizeof(*rp)) | |
843 | return; | |
844 | ||
845 | if (rp->status) | |
846 | return; | |
847 | ||
848 | hci_dev_lock(hdev); | |
849 | ||
850 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
851 | if (!cp) | |
852 | goto unlock; | |
853 | ||
854 | if (cp->which == 0x00) { | |
855 | hdev->clock = le32_to_cpu(rp->clock); | |
856 | goto unlock; | |
857 | } | |
858 | ||
859 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
860 | if (conn) { | |
861 | conn->clock = le32_to_cpu(rp->clock); | |
862 | conn->clock_accuracy = le16_to_cpu(rp->accuracy); | |
863 | } | |
864 | ||
865 | unlock: | |
866 | hci_dev_unlock(hdev); | |
867 | } | |
868 | ||
928abaa7 | 869 | static void hci_cc_read_local_amp_info(struct hci_dev *hdev, |
807deac2 | 870 | struct sk_buff *skb) |
928abaa7 AE |
871 | { |
872 | struct hci_rp_read_local_amp_info *rp = (void *) skb->data; | |
873 | ||
9f1db00c | 874 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
928abaa7 AE |
875 | |
876 | if (rp->status) | |
83927882 | 877 | return; |
928abaa7 AE |
878 | |
879 | hdev->amp_status = rp->amp_status; | |
880 | hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); | |
881 | hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); | |
882 | hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); | |
883 | hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); | |
884 | hdev->amp_type = rp->amp_type; | |
885 | hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); | |
886 | hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); | |
887 | hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); | |
888 | hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); | |
928abaa7 AE |
889 | } |
890 | ||
d5859e22 | 891 | static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, |
807deac2 | 892 | struct sk_buff *skb) |
d5859e22 | 893 | { |
91c4e9b1 | 894 | struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; |
d5859e22 | 895 | |
9f1db00c | 896 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
91c4e9b1 | 897 | |
45296acd MH |
898 | if (rp->status) |
899 | return; | |
900 | ||
901 | hdev->inq_tx_power = rp->tx_power; | |
d5859e22 JH |
902 | } |
903 | ||
980e1a53 JH |
904 | static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) |
905 | { | |
906 | struct hci_rp_pin_code_reply *rp = (void *) skb->data; | |
907 | struct hci_cp_pin_code_reply *cp; | |
908 | struct hci_conn *conn; | |
909 | ||
9f1db00c | 910 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 911 | |
56e5cb86 JH |
912 | hci_dev_lock(hdev); |
913 | ||
d7a5a11d | 914 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 915 | mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); |
980e1a53 | 916 | |
fa1bd918 | 917 | if (rp->status) |
56e5cb86 | 918 | goto unlock; |
980e1a53 JH |
919 | |
920 | cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); | |
921 | if (!cp) | |
56e5cb86 | 922 | goto unlock; |
980e1a53 JH |
923 | |
924 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
925 | if (conn) | |
926 | conn->pin_length = cp->pin_len; | |
56e5cb86 JH |
927 | |
928 | unlock: | |
929 | hci_dev_unlock(hdev); | |
980e1a53 JH |
930 | } |
931 | ||
932 | static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) | |
933 | { | |
934 | struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; | |
935 | ||
9f1db00c | 936 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 937 | |
56e5cb86 JH |
938 | hci_dev_lock(hdev); |
939 | ||
d7a5a11d | 940 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 941 | mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, |
807deac2 | 942 | rp->status); |
56e5cb86 JH |
943 | |
944 | hci_dev_unlock(hdev); | |
980e1a53 | 945 | } |
56e5cb86 | 946 | |
6ed58ec5 VT |
947 | static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, |
948 | struct sk_buff *skb) | |
949 | { | |
950 | struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; | |
951 | ||
9f1db00c | 952 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
6ed58ec5 VT |
953 | |
954 | if (rp->status) | |
955 | return; | |
956 | ||
957 | hdev->le_mtu = __le16_to_cpu(rp->le_mtu); | |
958 | hdev->le_pkts = rp->le_max_pkt; | |
959 | ||
960 | hdev->le_cnt = hdev->le_pkts; | |
961 | ||
962 | BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); | |
6ed58ec5 | 963 | } |
980e1a53 | 964 | |
60e77321 JH |
965 | static void hci_cc_le_read_local_features(struct hci_dev *hdev, |
966 | struct sk_buff *skb) | |
967 | { | |
968 | struct hci_rp_le_read_local_features *rp = (void *) skb->data; | |
969 | ||
970 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
971 | ||
45296acd MH |
972 | if (rp->status) |
973 | return; | |
974 | ||
975 | memcpy(hdev->le_features, rp->features, 8); | |
60e77321 JH |
976 | } |
977 | ||
8fa19098 JH |
978 | static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, |
979 | struct sk_buff *skb) | |
980 | { | |
981 | struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; | |
982 | ||
983 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
984 | ||
45296acd MH |
985 | if (rp->status) |
986 | return; | |
987 | ||
988 | hdev->adv_tx_power = rp->tx_power; | |
8fa19098 JH |
989 | } |
990 | ||
a5c29683 JH |
991 | static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) |
992 | { | |
993 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
994 | ||
9f1db00c | 995 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 996 | |
56e5cb86 JH |
997 | hci_dev_lock(hdev); |
998 | ||
d7a5a11d | 999 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
04124681 GP |
1000 | mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, |
1001 | rp->status); | |
56e5cb86 JH |
1002 | |
1003 | hci_dev_unlock(hdev); | |
a5c29683 JH |
1004 | } |
1005 | ||
1006 | static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, | |
807deac2 | 1007 | struct sk_buff *skb) |
a5c29683 JH |
1008 | { |
1009 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1010 | ||
9f1db00c | 1011 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 1012 | |
56e5cb86 JH |
1013 | hci_dev_lock(hdev); |
1014 | ||
d7a5a11d | 1015 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 1016 | mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1017 | ACL_LINK, 0, rp->status); |
56e5cb86 JH |
1018 | |
1019 | hci_dev_unlock(hdev); | |
a5c29683 JH |
1020 | } |
1021 | ||
1143d458 BG |
1022 | static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) |
1023 | { | |
1024 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1025 | ||
9f1db00c | 1026 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
1027 | |
1028 | hci_dev_lock(hdev); | |
1029 | ||
d7a5a11d | 1030 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 1031 | mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, |
04124681 | 1032 | 0, rp->status); |
1143d458 BG |
1033 | |
1034 | hci_dev_unlock(hdev); | |
1035 | } | |
1036 | ||
1037 | static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, | |
807deac2 | 1038 | struct sk_buff *skb) |
1143d458 BG |
1039 | { |
1040 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1041 | ||
9f1db00c | 1042 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
1043 | |
1044 | hci_dev_lock(hdev); | |
1045 | ||
d7a5a11d | 1046 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
1143d458 | 1047 | mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1048 | ACL_LINK, 0, rp->status); |
1143d458 BG |
1049 | |
1050 | hci_dev_unlock(hdev); | |
1051 | } | |
1052 | ||
4d2d2796 MH |
1053 | static void hci_cc_read_local_oob_data(struct hci_dev *hdev, |
1054 | struct sk_buff *skb) | |
c35938b2 SJ |
1055 | { |
1056 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; | |
1057 | ||
9f1db00c | 1058 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
4d2d2796 MH |
1059 | } |
1060 | ||
1061 | static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev, | |
1062 | struct sk_buff *skb) | |
1063 | { | |
1064 | struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; | |
1065 | ||
1066 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
c35938b2 SJ |
1067 | } |
1068 | ||
7a4cd51d MH |
1069 | static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb) |
1070 | { | |
1071 | __u8 status = *((__u8 *) skb->data); | |
1072 | bdaddr_t *sent; | |
1073 | ||
1074 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1075 | ||
45296acd MH |
1076 | if (status) |
1077 | return; | |
1078 | ||
7a4cd51d MH |
1079 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR); |
1080 | if (!sent) | |
1081 | return; | |
1082 | ||
1083 | hci_dev_lock(hdev); | |
1084 | ||
45296acd | 1085 | bacpy(&hdev->random_addr, sent); |
7a4cd51d MH |
1086 | |
1087 | hci_dev_unlock(hdev); | |
1088 | } | |
1089 | ||
0314f286 JK |
1090 | static void hci_cc_le_set_default_phy(struct hci_dev *hdev, struct sk_buff *skb) |
1091 | { | |
1092 | __u8 status = *((__u8 *) skb->data); | |
1093 | struct hci_cp_le_set_default_phy *cp; | |
1094 | ||
1095 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1096 | ||
1097 | if (status) | |
1098 | return; | |
1099 | ||
1100 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_DEFAULT_PHY); | |
1101 | if (!cp) | |
1102 | return; | |
1103 | ||
1104 | hci_dev_lock(hdev); | |
1105 | ||
1106 | hdev->le_tx_def_phys = cp->tx_phys; | |
1107 | hdev->le_rx_def_phys = cp->rx_phys; | |
1108 | ||
1109 | hci_dev_unlock(hdev); | |
1110 | } | |
1111 | ||
a73c046a JK |
1112 | static void hci_cc_le_set_adv_set_random_addr(struct hci_dev *hdev, |
1113 | struct sk_buff *skb) | |
1114 | { | |
1115 | __u8 status = *((__u8 *) skb->data); | |
1116 | struct hci_cp_le_set_adv_set_rand_addr *cp; | |
1117 | struct adv_info *adv_instance; | |
1118 | ||
1119 | if (status) | |
1120 | return; | |
1121 | ||
1122 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_SET_RAND_ADDR); | |
1123 | if (!cp) | |
1124 | return; | |
1125 | ||
1126 | hci_dev_lock(hdev); | |
1127 | ||
1128 | if (!hdev->cur_adv_instance) { | |
1129 | /* Store in hdev for instance 0 (Set adv and Directed advs) */ | |
1130 | bacpy(&hdev->random_addr, &cp->bdaddr); | |
1131 | } else { | |
1132 | adv_instance = hci_find_adv_instance(hdev, | |
1133 | hdev->cur_adv_instance); | |
1134 | if (adv_instance) | |
1135 | bacpy(&adv_instance->random_addr, &cp->bdaddr); | |
1136 | } | |
1137 | ||
1138 | hci_dev_unlock(hdev); | |
1139 | } | |
1140 | ||
c1d5dc4a JH |
1141 | static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) |
1142 | { | |
1143 | __u8 *sent, status = *((__u8 *) skb->data); | |
1144 | ||
1145 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1146 | ||
45296acd | 1147 | if (status) |
c1d5dc4a JH |
1148 | return; |
1149 | ||
45296acd MH |
1150 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); |
1151 | if (!sent) | |
3c857757 JH |
1152 | return; |
1153 | ||
c1d5dc4a JH |
1154 | hci_dev_lock(hdev); |
1155 | ||
49c922bb | 1156 | /* If we're doing connection initiation as peripheral. Set a |
3c857757 JH |
1157 | * timeout in case something goes wrong. |
1158 | */ | |
1159 | if (*sent) { | |
1160 | struct hci_conn *conn; | |
1161 | ||
a1536da2 | 1162 | hci_dev_set_flag(hdev, HCI_LE_ADV); |
66c417c1 | 1163 | |
e7d9ab73 | 1164 | conn = hci_lookup_le_connect(hdev); |
3c857757 JH |
1165 | if (conn) |
1166 | queue_delayed_work(hdev->workqueue, | |
1167 | &conn->le_conn_timeout, | |
09ae260b | 1168 | conn->conn_timeout); |
66c417c1 | 1169 | } else { |
a358dc11 | 1170 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
3c857757 JH |
1171 | } |
1172 | ||
04b4edcb | 1173 | hci_dev_unlock(hdev); |
c1d5dc4a JH |
1174 | } |
1175 | ||
de181e88 JK |
1176 | static void hci_cc_le_set_ext_adv_enable(struct hci_dev *hdev, |
1177 | struct sk_buff *skb) | |
1178 | { | |
1179 | struct hci_cp_le_set_ext_adv_enable *cp; | |
de181e88 JK |
1180 | __u8 status = *((__u8 *) skb->data); |
1181 | ||
1182 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1183 | ||
1184 | if (status) | |
1185 | return; | |
1186 | ||
1187 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_ENABLE); | |
1188 | if (!cp) | |
1189 | return; | |
1190 | ||
de181e88 JK |
1191 | hci_dev_lock(hdev); |
1192 | ||
1193 | if (cp->enable) { | |
1194 | struct hci_conn *conn; | |
1195 | ||
1196 | hci_dev_set_flag(hdev, HCI_LE_ADV); | |
1197 | ||
1198 | conn = hci_lookup_le_connect(hdev); | |
1199 | if (conn) | |
1200 | queue_delayed_work(hdev->workqueue, | |
1201 | &conn->le_conn_timeout, | |
1202 | conn->conn_timeout); | |
45b7749f JK |
1203 | } else { |
1204 | hci_dev_clear_flag(hdev, HCI_LE_ADV); | |
de181e88 JK |
1205 | } |
1206 | ||
1207 | hci_dev_unlock(hdev); | |
1208 | } | |
1209 | ||
533553f8 MH |
1210 | static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) |
1211 | { | |
1212 | struct hci_cp_le_set_scan_param *cp; | |
1213 | __u8 status = *((__u8 *) skb->data); | |
1214 | ||
1215 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1216 | ||
45296acd MH |
1217 | if (status) |
1218 | return; | |
1219 | ||
533553f8 MH |
1220 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM); |
1221 | if (!cp) | |
1222 | return; | |
1223 | ||
1224 | hci_dev_lock(hdev); | |
1225 | ||
45296acd | 1226 | hdev->le_scan_type = cp->type; |
533553f8 MH |
1227 | |
1228 | hci_dev_unlock(hdev); | |
1229 | } | |
1230 | ||
a2344b9e JK |
1231 | static void hci_cc_le_set_ext_scan_param(struct hci_dev *hdev, |
1232 | struct sk_buff *skb) | |
1233 | { | |
1234 | struct hci_cp_le_set_ext_scan_params *cp; | |
1235 | __u8 status = *((__u8 *) skb->data); | |
1236 | struct hci_cp_le_scan_phy_params *phy_param; | |
1237 | ||
1238 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1239 | ||
1240 | if (status) | |
1241 | return; | |
1242 | ||
1243 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_SCAN_PARAMS); | |
1244 | if (!cp) | |
1245 | return; | |
1246 | ||
1247 | phy_param = (void *)cp->data; | |
1248 | ||
1249 | hci_dev_lock(hdev); | |
1250 | ||
1251 | hdev->le_scan_type = phy_param->type; | |
1252 | ||
1253 | hci_dev_unlock(hdev); | |
1254 | } | |
1255 | ||
b9a6328f JH |
1256 | static bool has_pending_adv_report(struct hci_dev *hdev) |
1257 | { | |
1258 | struct discovery_state *d = &hdev->discovery; | |
1259 | ||
1260 | return bacmp(&d->last_adv_addr, BDADDR_ANY); | |
1261 | } | |
1262 | ||
1263 | static void clear_pending_adv_report(struct hci_dev *hdev) | |
1264 | { | |
1265 | struct discovery_state *d = &hdev->discovery; | |
1266 | ||
1267 | bacpy(&d->last_adv_addr, BDADDR_ANY); | |
1268 | d->last_adv_data_len = 0; | |
1269 | } | |
1270 | ||
1271 | static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c70a7e4c MH |
1272 | u8 bdaddr_type, s8 rssi, u32 flags, |
1273 | u8 *data, u8 len) | |
b9a6328f JH |
1274 | { |
1275 | struct discovery_state *d = &hdev->discovery; | |
1276 | ||
1277 | bacpy(&d->last_adv_addr, bdaddr); | |
1278 | d->last_adv_addr_type = bdaddr_type; | |
ff5cd29f | 1279 | d->last_adv_rssi = rssi; |
c70a7e4c | 1280 | d->last_adv_flags = flags; |
b9a6328f JH |
1281 | memcpy(d->last_adv_data, data, len); |
1282 | d->last_adv_data_len = len; | |
1283 | } | |
1284 | ||
3baef810 | 1285 | static void le_set_scan_enable_complete(struct hci_dev *hdev, u8 enable) |
eb9d91f5 | 1286 | { |
5c1a4c8f JK |
1287 | hci_dev_lock(hdev); |
1288 | ||
3baef810 | 1289 | switch (enable) { |
76a388be | 1290 | case LE_SCAN_ENABLE: |
a1536da2 | 1291 | hci_dev_set_flag(hdev, HCI_LE_SCAN); |
b9a6328f JH |
1292 | if (hdev->le_scan_type == LE_SCAN_ACTIVE) |
1293 | clear_pending_adv_report(hdev); | |
68a8aea4 AE |
1294 | break; |
1295 | ||
76a388be | 1296 | case LE_SCAN_DISABLE: |
b9a6328f JH |
1297 | /* We do this here instead of when setting DISCOVERY_STOPPED |
1298 | * since the latter would potentially require waiting for | |
1299 | * inquiry to stop too. | |
1300 | */ | |
1301 | if (has_pending_adv_report(hdev)) { | |
1302 | struct discovery_state *d = &hdev->discovery; | |
1303 | ||
1304 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ab0aa433 | 1305 | d->last_adv_addr_type, NULL, |
c70a7e4c | 1306 | d->last_adv_rssi, d->last_adv_flags, |
ab0aa433 | 1307 | d->last_adv_data, |
b9a6328f JH |
1308 | d->last_adv_data_len, NULL, 0); |
1309 | } | |
1310 | ||
317ac8cb JH |
1311 | /* Cancel this timer so that we don't try to disable scanning |
1312 | * when it's already disabled. | |
1313 | */ | |
1314 | cancel_delayed_work(&hdev->le_scan_disable); | |
1315 | ||
a358dc11 | 1316 | hci_dev_clear_flag(hdev, HCI_LE_SCAN); |
e8bb6b97 | 1317 | |
81ad6fd9 JH |
1318 | /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we |
1319 | * interrupted scanning due to a connect request. Mark | |
e8bb6b97 JH |
1320 | * therefore discovery as stopped. If this was not |
1321 | * because of a connect request advertising might have | |
1322 | * been disabled because of active scanning, so | |
1323 | * re-enable it again if necessary. | |
81ad6fd9 | 1324 | */ |
a69d8927 | 1325 | if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED)) |
81ad6fd9 | 1326 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
d7a5a11d | 1327 | else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) && |
34722277 | 1328 | hdev->discovery.state == DISCOVERY_FINDING) |
f2252570 | 1329 | hci_req_reenable_advertising(hdev); |
e8bb6b97 | 1330 | |
68a8aea4 AE |
1331 | break; |
1332 | ||
1333 | default: | |
2064ee33 | 1334 | bt_dev_err(hdev, "use of reserved LE_Scan_Enable param %d", |
3baef810 | 1335 | enable); |
68a8aea4 | 1336 | break; |
35815085 | 1337 | } |
5c1a4c8f JK |
1338 | |
1339 | hci_dev_unlock(hdev); | |
eb9d91f5 AG |
1340 | } |
1341 | ||
3baef810 JK |
1342 | static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, |
1343 | struct sk_buff *skb) | |
1344 | { | |
1345 | struct hci_cp_le_set_scan_enable *cp; | |
1346 | __u8 status = *((__u8 *) skb->data); | |
1347 | ||
1348 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1349 | ||
1350 | if (status) | |
1351 | return; | |
1352 | ||
1353 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); | |
1354 | if (!cp) | |
1355 | return; | |
1356 | ||
1357 | le_set_scan_enable_complete(hdev, cp->enable); | |
1358 | } | |
1359 | ||
a2344b9e JK |
1360 | static void hci_cc_le_set_ext_scan_enable(struct hci_dev *hdev, |
1361 | struct sk_buff *skb) | |
1362 | { | |
1363 | struct hci_cp_le_set_ext_scan_enable *cp; | |
1364 | __u8 status = *((__u8 *) skb->data); | |
1365 | ||
1366 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1367 | ||
1368 | if (status) | |
1369 | return; | |
1370 | ||
1371 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_SCAN_ENABLE); | |
1372 | if (!cp) | |
1373 | return; | |
1374 | ||
1375 | le_set_scan_enable_complete(hdev, cp->enable); | |
1376 | } | |
1377 | ||
6b49bcb4 JK |
1378 | static void hci_cc_le_read_num_adv_sets(struct hci_dev *hdev, |
1379 | struct sk_buff *skb) | |
1380 | { | |
1381 | struct hci_rp_le_read_num_supported_adv_sets *rp = (void *) skb->data; | |
1382 | ||
1383 | BT_DBG("%s status 0x%2.2x No of Adv sets %u", hdev->name, rp->status, | |
1384 | rp->num_of_sets); | |
1385 | ||
1386 | if (rp->status) | |
1387 | return; | |
1388 | ||
1389 | hdev->le_num_of_adv_sets = rp->num_of_sets; | |
1390 | } | |
1391 | ||
cf1d081f JH |
1392 | static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, |
1393 | struct sk_buff *skb) | |
1394 | { | |
1395 | struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; | |
1396 | ||
1397 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1398 | ||
45296acd MH |
1399 | if (rp->status) |
1400 | return; | |
1401 | ||
1402 | hdev->le_white_list_size = rp->size; | |
cf1d081f JH |
1403 | } |
1404 | ||
0f36b589 MH |
1405 | static void hci_cc_le_clear_white_list(struct hci_dev *hdev, |
1406 | struct sk_buff *skb) | |
1407 | { | |
1408 | __u8 status = *((__u8 *) skb->data); | |
1409 | ||
1410 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1411 | ||
45296acd MH |
1412 | if (status) |
1413 | return; | |
1414 | ||
dcc36c16 | 1415 | hci_bdaddr_list_clear(&hdev->le_white_list); |
0f36b589 MH |
1416 | } |
1417 | ||
1418 | static void hci_cc_le_add_to_white_list(struct hci_dev *hdev, | |
1419 | struct sk_buff *skb) | |
1420 | { | |
1421 | struct hci_cp_le_add_to_white_list *sent; | |
1422 | __u8 status = *((__u8 *) skb->data); | |
1423 | ||
1424 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1425 | ||
45296acd MH |
1426 | if (status) |
1427 | return; | |
1428 | ||
0f36b589 MH |
1429 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); |
1430 | if (!sent) | |
1431 | return; | |
1432 | ||
dcc36c16 JH |
1433 | hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr, |
1434 | sent->bdaddr_type); | |
0f36b589 MH |
1435 | } |
1436 | ||
1437 | static void hci_cc_le_del_from_white_list(struct hci_dev *hdev, | |
1438 | struct sk_buff *skb) | |
1439 | { | |
1440 | struct hci_cp_le_del_from_white_list *sent; | |
1441 | __u8 status = *((__u8 *) skb->data); | |
1442 | ||
1443 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1444 | ||
45296acd MH |
1445 | if (status) |
1446 | return; | |
1447 | ||
0f36b589 MH |
1448 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); |
1449 | if (!sent) | |
1450 | return; | |
1451 | ||
dcc36c16 JH |
1452 | hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr, |
1453 | sent->bdaddr_type); | |
0f36b589 MH |
1454 | } |
1455 | ||
9b008c04 JH |
1456 | static void hci_cc_le_read_supported_states(struct hci_dev *hdev, |
1457 | struct sk_buff *skb) | |
1458 | { | |
1459 | struct hci_rp_le_read_supported_states *rp = (void *) skb->data; | |
1460 | ||
1461 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1462 | ||
45296acd MH |
1463 | if (rp->status) |
1464 | return; | |
1465 | ||
1466 | memcpy(hdev->le_states, rp->le_states, 8); | |
9b008c04 JH |
1467 | } |
1468 | ||
a8e1bfaa MH |
1469 | static void hci_cc_le_read_def_data_len(struct hci_dev *hdev, |
1470 | struct sk_buff *skb) | |
1471 | { | |
1472 | struct hci_rp_le_read_def_data_len *rp = (void *) skb->data; | |
1473 | ||
1474 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1475 | ||
1476 | if (rp->status) | |
1477 | return; | |
1478 | ||
1479 | hdev->le_def_tx_len = le16_to_cpu(rp->tx_len); | |
1480 | hdev->le_def_tx_time = le16_to_cpu(rp->tx_time); | |
1481 | } | |
1482 | ||
1483 | static void hci_cc_le_write_def_data_len(struct hci_dev *hdev, | |
1484 | struct sk_buff *skb) | |
1485 | { | |
1486 | struct hci_cp_le_write_def_data_len *sent; | |
1487 | __u8 status = *((__u8 *) skb->data); | |
1488 | ||
1489 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1490 | ||
1491 | if (status) | |
1492 | return; | |
1493 | ||
1494 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN); | |
1495 | if (!sent) | |
1496 | return; | |
1497 | ||
1498 | hdev->le_def_tx_len = le16_to_cpu(sent->tx_len); | |
1499 | hdev->le_def_tx_time = le16_to_cpu(sent->tx_time); | |
1500 | } | |
1501 | ||
b950aa88 AN |
1502 | static void hci_cc_le_add_to_resolv_list(struct hci_dev *hdev, |
1503 | struct sk_buff *skb) | |
1504 | { | |
1505 | struct hci_cp_le_add_to_resolv_list *sent; | |
1506 | __u8 status = *((__u8 *) skb->data); | |
1507 | ||
1508 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1509 | ||
1510 | if (status) | |
1511 | return; | |
1512 | ||
1513 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_RESOLV_LIST); | |
1514 | if (!sent) | |
1515 | return; | |
1516 | ||
1517 | hci_bdaddr_list_add_with_irk(&hdev->le_resolv_list, &sent->bdaddr, | |
1518 | sent->bdaddr_type, sent->peer_irk, | |
1519 | sent->local_irk); | |
1520 | } | |
1521 | ||
1522 | static void hci_cc_le_del_from_resolv_list(struct hci_dev *hdev, | |
1523 | struct sk_buff *skb) | |
1524 | { | |
1525 | struct hci_cp_le_del_from_resolv_list *sent; | |
1526 | __u8 status = *((__u8 *) skb->data); | |
1527 | ||
1528 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1529 | ||
1530 | if (status) | |
1531 | return; | |
1532 | ||
1533 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_RESOLV_LIST); | |
1534 | if (!sent) | |
1535 | return; | |
1536 | ||
1537 | hci_bdaddr_list_del_with_irk(&hdev->le_resolv_list, &sent->bdaddr, | |
1538 | sent->bdaddr_type); | |
1539 | } | |
1540 | ||
545f2596 AN |
1541 | static void hci_cc_le_clear_resolv_list(struct hci_dev *hdev, |
1542 | struct sk_buff *skb) | |
1543 | { | |
1544 | __u8 status = *((__u8 *) skb->data); | |
1545 | ||
1546 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1547 | ||
1548 | if (status) | |
1549 | return; | |
1550 | ||
1551 | hci_bdaddr_list_clear(&hdev->le_resolv_list); | |
1552 | } | |
1553 | ||
cfdb0c2d AN |
1554 | static void hci_cc_le_read_resolv_list_size(struct hci_dev *hdev, |
1555 | struct sk_buff *skb) | |
1556 | { | |
1557 | struct hci_rp_le_read_resolv_list_size *rp = (void *) skb->data; | |
1558 | ||
1559 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1560 | ||
1561 | if (rp->status) | |
1562 | return; | |
1563 | ||
1564 | hdev->le_resolv_list_size = rp->size; | |
1565 | } | |
1566 | ||
aa12af77 AN |
1567 | static void hci_cc_le_set_addr_resolution_enable(struct hci_dev *hdev, |
1568 | struct sk_buff *skb) | |
1569 | { | |
1570 | __u8 *sent, status = *((__u8 *) skb->data); | |
1571 | ||
1572 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1573 | ||
1574 | if (status) | |
1575 | return; | |
1576 | ||
1577 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE); | |
1578 | if (!sent) | |
1579 | return; | |
1580 | ||
1581 | hci_dev_lock(hdev); | |
1582 | ||
1583 | if (*sent) | |
1584 | hci_dev_set_flag(hdev, HCI_LL_RPA_RESOLUTION); | |
1585 | else | |
1586 | hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION); | |
1587 | ||
1588 | hci_dev_unlock(hdev); | |
1589 | } | |
1590 | ||
a8e1bfaa MH |
1591 | static void hci_cc_le_read_max_data_len(struct hci_dev *hdev, |
1592 | struct sk_buff *skb) | |
1593 | { | |
1594 | struct hci_rp_le_read_max_data_len *rp = (void *) skb->data; | |
1595 | ||
1596 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1597 | ||
1598 | if (rp->status) | |
1599 | return; | |
1600 | ||
1601 | hdev->le_max_tx_len = le16_to_cpu(rp->tx_len); | |
1602 | hdev->le_max_tx_time = le16_to_cpu(rp->tx_time); | |
1603 | hdev->le_max_rx_len = le16_to_cpu(rp->rx_len); | |
1604 | hdev->le_max_rx_time = le16_to_cpu(rp->rx_time); | |
1605 | } | |
1606 | ||
6039aa73 GP |
1607 | static void hci_cc_write_le_host_supported(struct hci_dev *hdev, |
1608 | struct sk_buff *skb) | |
f9b49306 | 1609 | { |
06199cf8 | 1610 | struct hci_cp_write_le_host_supported *sent; |
f9b49306 AG |
1611 | __u8 status = *((__u8 *) skb->data); |
1612 | ||
9f1db00c | 1613 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f9b49306 | 1614 | |
45296acd MH |
1615 | if (status) |
1616 | return; | |
1617 | ||
06199cf8 | 1618 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); |
8f984dfa | 1619 | if (!sent) |
f9b49306 AG |
1620 | return; |
1621 | ||
5c1a4c8f JK |
1622 | hci_dev_lock(hdev); |
1623 | ||
45296acd MH |
1624 | if (sent->le) { |
1625 | hdev->features[1][0] |= LMP_HOST_LE; | |
a1536da2 | 1626 | hci_dev_set_flag(hdev, HCI_LE_ENABLED); |
45296acd MH |
1627 | } else { |
1628 | hdev->features[1][0] &= ~LMP_HOST_LE; | |
a358dc11 MH |
1629 | hci_dev_clear_flag(hdev, HCI_LE_ENABLED); |
1630 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); | |
8f984dfa | 1631 | } |
45296acd MH |
1632 | |
1633 | if (sent->simul) | |
1634 | hdev->features[1][0] |= LMP_HOST_LE_BREDR; | |
1635 | else | |
1636 | hdev->features[1][0] &= ~LMP_HOST_LE_BREDR; | |
5c1a4c8f JK |
1637 | |
1638 | hci_dev_unlock(hdev); | |
f9b49306 AG |
1639 | } |
1640 | ||
56ed2cb8 JH |
1641 | static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1642 | { | |
1643 | struct hci_cp_le_set_adv_param *cp; | |
1644 | u8 status = *((u8 *) skb->data); | |
1645 | ||
1646 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1647 | ||
1648 | if (status) | |
1649 | return; | |
1650 | ||
1651 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM); | |
1652 | if (!cp) | |
1653 | return; | |
1654 | ||
1655 | hci_dev_lock(hdev); | |
1656 | hdev->adv_addr_type = cp->own_address_type; | |
1657 | hci_dev_unlock(hdev); | |
1658 | } | |
1659 | ||
de181e88 JK |
1660 | static void hci_cc_set_ext_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1661 | { | |
1662 | struct hci_rp_le_set_ext_adv_params *rp = (void *) skb->data; | |
1663 | struct hci_cp_le_set_ext_adv_params *cp; | |
1664 | struct adv_info *adv_instance; | |
1665 | ||
1666 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1667 | ||
1668 | if (rp->status) | |
1669 | return; | |
1670 | ||
1671 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS); | |
1672 | if (!cp) | |
1673 | return; | |
1674 | ||
1675 | hci_dev_lock(hdev); | |
1676 | hdev->adv_addr_type = cp->own_addr_type; | |
1677 | if (!hdev->cur_adv_instance) { | |
1678 | /* Store in hdev for instance 0 */ | |
1679 | hdev->adv_tx_power = rp->tx_power; | |
1680 | } else { | |
1681 | adv_instance = hci_find_adv_instance(hdev, | |
1682 | hdev->cur_adv_instance); | |
1683 | if (adv_instance) | |
1684 | adv_instance->tx_power = rp->tx_power; | |
1685 | } | |
a0fb3726 JK |
1686 | /* Update adv data as tx power is known now */ |
1687 | hci_req_update_adv_data(hdev, hdev->cur_adv_instance); | |
de181e88 JK |
1688 | hci_dev_unlock(hdev); |
1689 | } | |
1690 | ||
5ae76a94 AK |
1691 | static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) |
1692 | { | |
1693 | struct hci_rp_read_rssi *rp = (void *) skb->data; | |
1694 | struct hci_conn *conn; | |
1695 | ||
1696 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1697 | ||
1698 | if (rp->status) | |
1699 | return; | |
1700 | ||
1701 | hci_dev_lock(hdev); | |
1702 | ||
1703 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
1704 | if (conn) | |
1705 | conn->rssi = rp->rssi; | |
1706 | ||
1707 | hci_dev_unlock(hdev); | |
1708 | } | |
1709 | ||
5a134fae AK |
1710 | static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) |
1711 | { | |
1712 | struct hci_cp_read_tx_power *sent; | |
1713 | struct hci_rp_read_tx_power *rp = (void *) skb->data; | |
1714 | struct hci_conn *conn; | |
1715 | ||
1716 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1717 | ||
1718 | if (rp->status) | |
1719 | return; | |
1720 | ||
1721 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
1722 | if (!sent) | |
1723 | return; | |
1724 | ||
1725 | hci_dev_lock(hdev); | |
1726 | ||
1727 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
d0455ed9 AK |
1728 | if (!conn) |
1729 | goto unlock; | |
1730 | ||
1731 | switch (sent->type) { | |
1732 | case 0x00: | |
5a134fae | 1733 | conn->tx_power = rp->tx_power; |
d0455ed9 AK |
1734 | break; |
1735 | case 0x01: | |
1736 | conn->max_tx_power = rp->tx_power; | |
1737 | break; | |
1738 | } | |
5a134fae | 1739 | |
d0455ed9 | 1740 | unlock: |
5a134fae AK |
1741 | hci_dev_unlock(hdev); |
1742 | } | |
1743 | ||
c50b33c8 MH |
1744 | static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1745 | { | |
1746 | u8 status = *((u8 *) skb->data); | |
1747 | u8 *mode; | |
1748 | ||
1749 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1750 | ||
1751 | if (status) | |
1752 | return; | |
1753 | ||
1754 | mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE); | |
1755 | if (mode) | |
1756 | hdev->ssp_debug_mode = *mode; | |
1757 | } | |
1758 | ||
6039aa73 | 1759 | static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
a9de9248 | 1760 | { |
9f1db00c | 1761 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1762 | |
1763 | if (status) { | |
a9de9248 | 1764 | hci_conn_check_pending(hdev); |
314b2381 JH |
1765 | return; |
1766 | } | |
1767 | ||
89352e7d | 1768 | set_bit(HCI_INQUIRY, &hdev->flags); |
1da177e4 LT |
1769 | } |
1770 | ||
6039aa73 | 1771 | static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1772 | { |
a9de9248 | 1773 | struct hci_cp_create_conn *cp; |
1da177e4 | 1774 | struct hci_conn *conn; |
1da177e4 | 1775 | |
9f1db00c | 1776 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1777 | |
1778 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); | |
1da177e4 LT |
1779 | if (!cp) |
1780 | return; | |
1781 | ||
1782 | hci_dev_lock(hdev); | |
1783 | ||
1784 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
1785 | ||
6ed93dc6 | 1786 | BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); |
1da177e4 LT |
1787 | |
1788 | if (status) { | |
1789 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
1790 | if (status != 0x0c || conn->attempt > 2) { |
1791 | conn->state = BT_CLOSED; | |
539c496d | 1792 | hci_connect_cfm(conn, status); |
4c67bc74 MH |
1793 | hci_conn_del(conn); |
1794 | } else | |
1795 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
1796 | } |
1797 | } else { | |
1798 | if (!conn) { | |
a5c4e309 JH |
1799 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr, |
1800 | HCI_ROLE_MASTER); | |
1801 | if (!conn) | |
2064ee33 | 1802 | bt_dev_err(hdev, "no memory for new connection"); |
1da177e4 LT |
1803 | } |
1804 | } | |
1805 | ||
1806 | hci_dev_unlock(hdev); | |
1807 | } | |
1808 | ||
a9de9248 | 1809 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1810 | { |
a9de9248 MH |
1811 | struct hci_cp_add_sco *cp; |
1812 | struct hci_conn *acl, *sco; | |
1813 | __u16 handle; | |
1da177e4 | 1814 | |
9f1db00c | 1815 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 | 1816 | |
a9de9248 MH |
1817 | if (!status) |
1818 | return; | |
1da177e4 | 1819 | |
a9de9248 MH |
1820 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
1821 | if (!cp) | |
1822 | return; | |
1da177e4 | 1823 | |
a9de9248 | 1824 | handle = __le16_to_cpu(cp->handle); |
1da177e4 | 1825 | |
9f1db00c | 1826 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
1da177e4 | 1827 | |
a9de9248 | 1828 | hci_dev_lock(hdev); |
1da177e4 | 1829 | |
a9de9248 | 1830 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
5a08ecce AE |
1831 | if (acl) { |
1832 | sco = acl->link; | |
1833 | if (sco) { | |
1834 | sco->state = BT_CLOSED; | |
1da177e4 | 1835 | |
539c496d | 1836 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1837 | hci_conn_del(sco); |
1838 | } | |
a9de9248 | 1839 | } |
1da177e4 | 1840 | |
a9de9248 MH |
1841 | hci_dev_unlock(hdev); |
1842 | } | |
1da177e4 | 1843 | |
f8558555 MH |
1844 | static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) |
1845 | { | |
1846 | struct hci_cp_auth_requested *cp; | |
1847 | struct hci_conn *conn; | |
1848 | ||
9f1db00c | 1849 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1850 | |
1851 | if (!status) | |
1852 | return; | |
1853 | ||
1854 | cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); | |
1855 | if (!cp) | |
1856 | return; | |
1857 | ||
1858 | hci_dev_lock(hdev); | |
1859 | ||
1860 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1861 | if (conn) { | |
1862 | if (conn->state == BT_CONFIG) { | |
539c496d | 1863 | hci_connect_cfm(conn, status); |
76a68ba0 | 1864 | hci_conn_drop(conn); |
f8558555 MH |
1865 | } |
1866 | } | |
1867 | ||
1868 | hci_dev_unlock(hdev); | |
1869 | } | |
1870 | ||
1871 | static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) | |
1872 | { | |
1873 | struct hci_cp_set_conn_encrypt *cp; | |
1874 | struct hci_conn *conn; | |
1875 | ||
9f1db00c | 1876 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1877 | |
1878 | if (!status) | |
1879 | return; | |
1880 | ||
1881 | cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); | |
1882 | if (!cp) | |
1883 | return; | |
1884 | ||
1885 | hci_dev_lock(hdev); | |
1886 | ||
1887 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1888 | if (conn) { | |
1889 | if (conn->state == BT_CONFIG) { | |
539c496d | 1890 | hci_connect_cfm(conn, status); |
76a68ba0 | 1891 | hci_conn_drop(conn); |
f8558555 MH |
1892 | } |
1893 | } | |
1894 | ||
1895 | hci_dev_unlock(hdev); | |
1896 | } | |
1897 | ||
127178d2 | 1898 | static int hci_outgoing_auth_needed(struct hci_dev *hdev, |
807deac2 | 1899 | struct hci_conn *conn) |
392599b9 | 1900 | { |
392599b9 JH |
1901 | if (conn->state != BT_CONFIG || !conn->out) |
1902 | return 0; | |
1903 | ||
765c2a96 | 1904 | if (conn->pending_sec_level == BT_SECURITY_SDP) |
392599b9 JH |
1905 | return 0; |
1906 | ||
1907 | /* Only request authentication for SSP connections or non-SSP | |
264b8b4e JH |
1908 | * devices with sec_level MEDIUM or HIGH or if MITM protection |
1909 | * is requested. | |
1910 | */ | |
807deac2 | 1911 | if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && |
7e3691e1 | 1912 | conn->pending_sec_level != BT_SECURITY_FIPS && |
264b8b4e JH |
1913 | conn->pending_sec_level != BT_SECURITY_HIGH && |
1914 | conn->pending_sec_level != BT_SECURITY_MEDIUM) | |
392599b9 JH |
1915 | return 0; |
1916 | ||
392599b9 JH |
1917 | return 1; |
1918 | } | |
1919 | ||
6039aa73 | 1920 | static int hci_resolve_name(struct hci_dev *hdev, |
04124681 | 1921 | struct inquiry_entry *e) |
30dc78e1 JH |
1922 | { |
1923 | struct hci_cp_remote_name_req cp; | |
1924 | ||
1925 | memset(&cp, 0, sizeof(cp)); | |
1926 | ||
1927 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1928 | cp.pscan_rep_mode = e->data.pscan_rep_mode; | |
1929 | cp.pscan_mode = e->data.pscan_mode; | |
1930 | cp.clock_offset = e->data.clock_offset; | |
1931 | ||
1932 | return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
1933 | } | |
1934 | ||
b644ba33 | 1935 | static bool hci_resolve_next_name(struct hci_dev *hdev) |
30dc78e1 JH |
1936 | { |
1937 | struct discovery_state *discov = &hdev->discovery; | |
1938 | struct inquiry_entry *e; | |
1939 | ||
b644ba33 JH |
1940 | if (list_empty(&discov->resolve)) |
1941 | return false; | |
1942 | ||
1943 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
c810089c RM |
1944 | if (!e) |
1945 | return false; | |
1946 | ||
b644ba33 JH |
1947 | if (hci_resolve_name(hdev, e) == 0) { |
1948 | e->name_state = NAME_PENDING; | |
1949 | return true; | |
1950 | } | |
1951 | ||
1952 | return false; | |
1953 | } | |
1954 | ||
1955 | static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, | |
04124681 | 1956 | bdaddr_t *bdaddr, u8 *name, u8 name_len) |
b644ba33 JH |
1957 | { |
1958 | struct discovery_state *discov = &hdev->discovery; | |
1959 | struct inquiry_entry *e; | |
1960 | ||
60cb49d2 JH |
1961 | /* Update the mgmt connected state if necessary. Be careful with |
1962 | * conn objects that exist but are not (yet) connected however. | |
1963 | * Only those in BT_CONFIG or BT_CONNECTED states can be | |
1964 | * considered connected. | |
1965 | */ | |
1966 | if (conn && | |
1967 | (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) && | |
cb77c3ec | 1968 | !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 1969 | mgmt_device_connected(hdev, conn, 0, name, name_len); |
b644ba33 JH |
1970 | |
1971 | if (discov->state == DISCOVERY_STOPPED) | |
1972 | return; | |
1973 | ||
30dc78e1 JH |
1974 | if (discov->state == DISCOVERY_STOPPING) |
1975 | goto discov_complete; | |
1976 | ||
1977 | if (discov->state != DISCOVERY_RESOLVING) | |
1978 | return; | |
1979 | ||
1980 | e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); | |
7cc8380e RM |
1981 | /* If the device was not found in a list of found devices names of which |
1982 | * are pending. there is no need to continue resolving a next name as it | |
1983 | * will be done upon receiving another Remote Name Request Complete | |
1984 | * Event */ | |
1985 | if (!e) | |
1986 | return; | |
1987 | ||
1988 | list_del(&e->list); | |
1989 | if (name) { | |
30dc78e1 | 1990 | e->name_state = NAME_KNOWN; |
7cc8380e RM |
1991 | mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, |
1992 | e->data.rssi, name, name_len); | |
c3e7c0d9 RM |
1993 | } else { |
1994 | e->name_state = NAME_NOT_KNOWN; | |
30dc78e1 JH |
1995 | } |
1996 | ||
b644ba33 | 1997 | if (hci_resolve_next_name(hdev)) |
30dc78e1 | 1998 | return; |
30dc78e1 JH |
1999 | |
2000 | discov_complete: | |
2001 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
2002 | } | |
2003 | ||
a9de9248 MH |
2004 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
2005 | { | |
127178d2 JH |
2006 | struct hci_cp_remote_name_req *cp; |
2007 | struct hci_conn *conn; | |
2008 | ||
9f1db00c | 2009 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
127178d2 JH |
2010 | |
2011 | /* If successful wait for the name req complete event before | |
2012 | * checking for the need to do authentication */ | |
2013 | if (!status) | |
2014 | return; | |
2015 | ||
2016 | cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); | |
2017 | if (!cp) | |
2018 | return; | |
2019 | ||
2020 | hci_dev_lock(hdev); | |
2021 | ||
b644ba33 JH |
2022 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
2023 | ||
d7a5a11d | 2024 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 2025 | hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); |
30dc78e1 | 2026 | |
79c6c70c JH |
2027 | if (!conn) |
2028 | goto unlock; | |
2029 | ||
2030 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2031 | goto unlock; | |
2032 | ||
51a8efd7 | 2033 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
c1f23a2b JB |
2034 | struct hci_cp_auth_requested auth_cp; |
2035 | ||
977f8fce JH |
2036 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); |
2037 | ||
c1f23a2b JB |
2038 | auth_cp.handle = __cpu_to_le16(conn->handle); |
2039 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, | |
2040 | sizeof(auth_cp), &auth_cp); | |
127178d2 JH |
2041 | } |
2042 | ||
79c6c70c | 2043 | unlock: |
127178d2 | 2044 | hci_dev_unlock(hdev); |
a9de9248 | 2045 | } |
1da177e4 | 2046 | |
769be974 MH |
2047 | static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) |
2048 | { | |
2049 | struct hci_cp_read_remote_features *cp; | |
2050 | struct hci_conn *conn; | |
2051 | ||
9f1db00c | 2052 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
2053 | |
2054 | if (!status) | |
2055 | return; | |
2056 | ||
2057 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); | |
2058 | if (!cp) | |
2059 | return; | |
2060 | ||
2061 | hci_dev_lock(hdev); | |
2062 | ||
2063 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2064 | if (conn) { | |
2065 | if (conn->state == BT_CONFIG) { | |
539c496d | 2066 | hci_connect_cfm(conn, status); |
76a68ba0 | 2067 | hci_conn_drop(conn); |
769be974 MH |
2068 | } |
2069 | } | |
2070 | ||
2071 | hci_dev_unlock(hdev); | |
2072 | } | |
2073 | ||
2074 | static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) | |
2075 | { | |
2076 | struct hci_cp_read_remote_ext_features *cp; | |
2077 | struct hci_conn *conn; | |
2078 | ||
9f1db00c | 2079 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
2080 | |
2081 | if (!status) | |
2082 | return; | |
2083 | ||
2084 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); | |
2085 | if (!cp) | |
2086 | return; | |
2087 | ||
2088 | hci_dev_lock(hdev); | |
2089 | ||
2090 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2091 | if (conn) { | |
2092 | if (conn->state == BT_CONFIG) { | |
539c496d | 2093 | hci_connect_cfm(conn, status); |
76a68ba0 | 2094 | hci_conn_drop(conn); |
769be974 MH |
2095 | } |
2096 | } | |
2097 | ||
2098 | hci_dev_unlock(hdev); | |
2099 | } | |
2100 | ||
a9de9248 MH |
2101 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
2102 | { | |
b6a0dc82 MH |
2103 | struct hci_cp_setup_sync_conn *cp; |
2104 | struct hci_conn *acl, *sco; | |
2105 | __u16 handle; | |
2106 | ||
9f1db00c | 2107 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 MH |
2108 | |
2109 | if (!status) | |
2110 | return; | |
2111 | ||
2112 | cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); | |
2113 | if (!cp) | |
2114 | return; | |
2115 | ||
2116 | handle = __le16_to_cpu(cp->handle); | |
2117 | ||
9f1db00c | 2118 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
b6a0dc82 MH |
2119 | |
2120 | hci_dev_lock(hdev); | |
2121 | ||
2122 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
5a08ecce AE |
2123 | if (acl) { |
2124 | sco = acl->link; | |
2125 | if (sco) { | |
2126 | sco->state = BT_CLOSED; | |
b6a0dc82 | 2127 | |
539c496d | 2128 | hci_connect_cfm(sco, status); |
5a08ecce AE |
2129 | hci_conn_del(sco); |
2130 | } | |
b6a0dc82 MH |
2131 | } |
2132 | ||
2133 | hci_dev_unlock(hdev); | |
1da177e4 LT |
2134 | } |
2135 | ||
a9de9248 | 2136 | static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) |
1da177e4 | 2137 | { |
a9de9248 MH |
2138 | struct hci_cp_sniff_mode *cp; |
2139 | struct hci_conn *conn; | |
1da177e4 | 2140 | |
9f1db00c | 2141 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 2142 | |
a9de9248 MH |
2143 | if (!status) |
2144 | return; | |
04837f64 | 2145 | |
a9de9248 MH |
2146 | cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
2147 | if (!cp) | |
2148 | return; | |
04837f64 | 2149 | |
a9de9248 | 2150 | hci_dev_lock(hdev); |
04837f64 | 2151 | |
a9de9248 | 2152 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 2153 | if (conn) { |
51a8efd7 | 2154 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
04837f64 | 2155 | |
51a8efd7 | 2156 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
2157 | hci_sco_setup(conn, status); |
2158 | } | |
2159 | ||
a9de9248 MH |
2160 | hci_dev_unlock(hdev); |
2161 | } | |
04837f64 | 2162 | |
a9de9248 MH |
2163 | static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) |
2164 | { | |
2165 | struct hci_cp_exit_sniff_mode *cp; | |
2166 | struct hci_conn *conn; | |
04837f64 | 2167 | |
9f1db00c | 2168 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 2169 | |
a9de9248 MH |
2170 | if (!status) |
2171 | return; | |
04837f64 | 2172 | |
a9de9248 MH |
2173 | cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
2174 | if (!cp) | |
2175 | return; | |
04837f64 | 2176 | |
a9de9248 | 2177 | hci_dev_lock(hdev); |
1da177e4 | 2178 | |
a9de9248 | 2179 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 2180 | if (conn) { |
51a8efd7 | 2181 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
1da177e4 | 2182 | |
51a8efd7 | 2183 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
2184 | hci_sco_setup(conn, status); |
2185 | } | |
2186 | ||
a9de9248 | 2187 | hci_dev_unlock(hdev); |
1da177e4 LT |
2188 | } |
2189 | ||
88c3df13 JH |
2190 | static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) |
2191 | { | |
2192 | struct hci_cp_disconnect *cp; | |
2193 | struct hci_conn *conn; | |
2194 | ||
2195 | if (!status) | |
2196 | return; | |
2197 | ||
2198 | cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); | |
2199 | if (!cp) | |
2200 | return; | |
2201 | ||
2202 | hci_dev_lock(hdev); | |
2203 | ||
2204 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2205 | if (conn) | |
2206 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
04124681 | 2207 | conn->dst_type, status); |
88c3df13 JH |
2208 | |
2209 | hci_dev_unlock(hdev); | |
2210 | } | |
2211 | ||
d12fb056 JK |
2212 | static void cs_le_create_conn(struct hci_dev *hdev, bdaddr_t *peer_addr, |
2213 | u8 peer_addr_type, u8 own_address_type, | |
2214 | u8 filter_policy) | |
cb1d68f7 | 2215 | { |
cb1d68f7 JH |
2216 | struct hci_conn *conn; |
2217 | ||
d12fb056 JK |
2218 | conn = hci_conn_hash_lookup_le(hdev, peer_addr, |
2219 | peer_addr_type); | |
cb1d68f7 | 2220 | if (!conn) |
d12fb056 | 2221 | return; |
cb1d68f7 JH |
2222 | |
2223 | /* Store the initiator and responder address information which | |
2224 | * is needed for SMP. These values will not change during the | |
2225 | * lifetime of the connection. | |
2226 | */ | |
d12fb056 JK |
2227 | conn->init_addr_type = own_address_type; |
2228 | if (own_address_type == ADDR_LE_DEV_RANDOM) | |
cb1d68f7 JH |
2229 | bacpy(&conn->init_addr, &hdev->random_addr); |
2230 | else | |
2231 | bacpy(&conn->init_addr, &hdev->bdaddr); | |
2232 | ||
d12fb056 JK |
2233 | conn->resp_addr_type = peer_addr_type; |
2234 | bacpy(&conn->resp_addr, peer_addr); | |
cb1d68f7 | 2235 | |
9489eca4 JH |
2236 | /* We don't want the connection attempt to stick around |
2237 | * indefinitely since LE doesn't have a page timeout concept | |
2238 | * like BR/EDR. Set a timer for any connection that doesn't use | |
2239 | * the white list for connecting. | |
2240 | */ | |
d12fb056 | 2241 | if (filter_policy == HCI_LE_USE_PEER_ADDR) |
9489eca4 JH |
2242 | queue_delayed_work(conn->hdev->workqueue, |
2243 | &conn->le_conn_timeout, | |
09ae260b | 2244 | conn->conn_timeout); |
d12fb056 JK |
2245 | } |
2246 | ||
2247 | static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status) | |
2248 | { | |
2249 | struct hci_cp_le_create_conn *cp; | |
2250 | ||
2251 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2252 | ||
2253 | /* All connection failure handling is taken care of by the | |
2254 | * hci_le_conn_failed function which is triggered by the HCI | |
2255 | * request completion callbacks used for connecting. | |
2256 | */ | |
2257 | if (status) | |
2258 | return; | |
2259 | ||
2260 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); | |
2261 | if (!cp) | |
2262 | return; | |
2263 | ||
2264 | hci_dev_lock(hdev); | |
2265 | ||
2266 | cs_le_create_conn(hdev, &cp->peer_addr, cp->peer_addr_type, | |
2267 | cp->own_address_type, cp->filter_policy); | |
9489eca4 | 2268 | |
cb1d68f7 JH |
2269 | hci_dev_unlock(hdev); |
2270 | } | |
2271 | ||
4d94f95d JK |
2272 | static void hci_cs_le_ext_create_conn(struct hci_dev *hdev, u8 status) |
2273 | { | |
2274 | struct hci_cp_le_ext_create_conn *cp; | |
2275 | ||
2276 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2277 | ||
2278 | /* All connection failure handling is taken care of by the | |
2279 | * hci_le_conn_failed function which is triggered by the HCI | |
2280 | * request completion callbacks used for connecting. | |
2281 | */ | |
2282 | if (status) | |
2283 | return; | |
2284 | ||
2285 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_EXT_CREATE_CONN); | |
2286 | if (!cp) | |
2287 | return; | |
2288 | ||
2289 | hci_dev_lock(hdev); | |
2290 | ||
2291 | cs_le_create_conn(hdev, &cp->peer_addr, cp->peer_addr_type, | |
2292 | cp->own_addr_type, cp->filter_policy); | |
2293 | ||
2294 | hci_dev_unlock(hdev); | |
2295 | } | |
2296 | ||
0fe29fd1 MH |
2297 | static void hci_cs_le_read_remote_features(struct hci_dev *hdev, u8 status) |
2298 | { | |
2299 | struct hci_cp_le_read_remote_features *cp; | |
2300 | struct hci_conn *conn; | |
2301 | ||
2302 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2303 | ||
2304 | if (!status) | |
2305 | return; | |
2306 | ||
2307 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_READ_REMOTE_FEATURES); | |
2308 | if (!cp) | |
2309 | return; | |
2310 | ||
2311 | hci_dev_lock(hdev); | |
2312 | ||
2313 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2314 | if (conn) { | |
2315 | if (conn->state == BT_CONFIG) { | |
2316 | hci_connect_cfm(conn, status); | |
2317 | hci_conn_drop(conn); | |
2318 | } | |
2319 | } | |
2320 | ||
2321 | hci_dev_unlock(hdev); | |
2322 | } | |
2323 | ||
81d0c8ad JH |
2324 | static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) |
2325 | { | |
2326 | struct hci_cp_le_start_enc *cp; | |
2327 | struct hci_conn *conn; | |
2328 | ||
2329 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2330 | ||
2331 | if (!status) | |
2332 | return; | |
2333 | ||
2334 | hci_dev_lock(hdev); | |
2335 | ||
2336 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); | |
2337 | if (!cp) | |
2338 | goto unlock; | |
2339 | ||
2340 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2341 | if (!conn) | |
2342 | goto unlock; | |
2343 | ||
2344 | if (conn->state != BT_CONNECTED) | |
2345 | goto unlock; | |
2346 | ||
2347 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
2348 | hci_conn_drop(conn); | |
2349 | ||
2350 | unlock: | |
2351 | hci_dev_unlock(hdev); | |
2352 | } | |
2353 | ||
50fc85f1 KP |
2354 | static void hci_cs_switch_role(struct hci_dev *hdev, u8 status) |
2355 | { | |
2356 | struct hci_cp_switch_role *cp; | |
2357 | struct hci_conn *conn; | |
2358 | ||
2359 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2360 | ||
2361 | if (!status) | |
2362 | return; | |
2363 | ||
2364 | cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE); | |
2365 | if (!cp) | |
2366 | return; | |
2367 | ||
2368 | hci_dev_lock(hdev); | |
2369 | ||
2370 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
2371 | if (conn) | |
2372 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); | |
2373 | ||
2374 | hci_dev_unlock(hdev); | |
2375 | } | |
2376 | ||
6039aa73 | 2377 | static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 LT |
2378 | { |
2379 | __u8 status = *((__u8 *) skb->data); | |
30dc78e1 JH |
2380 | struct discovery_state *discov = &hdev->discovery; |
2381 | struct inquiry_entry *e; | |
1da177e4 | 2382 | |
9f1db00c | 2383 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 2384 | |
a9de9248 | 2385 | hci_conn_check_pending(hdev); |
89352e7d AG |
2386 | |
2387 | if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) | |
2388 | return; | |
2389 | ||
4e857c58 | 2390 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e AG |
2391 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
2392 | ||
d7a5a11d | 2393 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
30dc78e1 JH |
2394 | return; |
2395 | ||
56e5cb86 | 2396 | hci_dev_lock(hdev); |
30dc78e1 | 2397 | |
343f935b | 2398 | if (discov->state != DISCOVERY_FINDING) |
30dc78e1 JH |
2399 | goto unlock; |
2400 | ||
2401 | if (list_empty(&discov->resolve)) { | |
07d2334a JP |
2402 | /* When BR/EDR inquiry is active and no LE scanning is in |
2403 | * progress, then change discovery state to indicate completion. | |
2404 | * | |
2405 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2406 | * and the LE scan already finished, then change the discovery | |
2407 | * state to indicate completion. | |
2408 | */ | |
2409 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2410 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2411 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2412 | goto unlock; |
2413 | } | |
2414 | ||
2415 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
2416 | if (e && hci_resolve_name(hdev, e) == 0) { | |
2417 | e->name_state = NAME_PENDING; | |
2418 | hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); | |
2419 | } else { | |
07d2334a JP |
2420 | /* When BR/EDR inquiry is active and no LE scanning is in |
2421 | * progress, then change discovery state to indicate completion. | |
2422 | * | |
2423 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2424 | * and the LE scan already finished, then change the discovery | |
2425 | * state to indicate completion. | |
2426 | */ | |
2427 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2428 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2429 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2430 | } |
2431 | ||
2432 | unlock: | |
56e5cb86 | 2433 | hci_dev_unlock(hdev); |
1da177e4 LT |
2434 | } |
2435 | ||
6039aa73 | 2436 | static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2437 | { |
45bb4bf0 | 2438 | struct inquiry_data data; |
a9de9248 | 2439 | struct inquiry_info *info = (void *) (skb->data + 1); |
1da177e4 LT |
2440 | int num_rsp = *((__u8 *) skb->data); |
2441 | ||
2442 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
2443 | ||
45bb4bf0 MH |
2444 | if (!num_rsp) |
2445 | return; | |
2446 | ||
d7a5a11d | 2447 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
2448 | return; |
2449 | ||
1da177e4 | 2450 | hci_dev_lock(hdev); |
45bb4bf0 | 2451 | |
e17acd40 | 2452 | for (; num_rsp; num_rsp--, info++) { |
af58925c | 2453 | u32 flags; |
3175405b | 2454 | |
1da177e4 LT |
2455 | bacpy(&data.bdaddr, &info->bdaddr); |
2456 | data.pscan_rep_mode = info->pscan_rep_mode; | |
2457 | data.pscan_period_mode = info->pscan_period_mode; | |
2458 | data.pscan_mode = info->pscan_mode; | |
2459 | memcpy(data.dev_class, info->dev_class, 3); | |
2460 | data.clock_offset = info->clock_offset; | |
efb2513f | 2461 | data.rssi = HCI_RSSI_INVALID; |
41a96212 | 2462 | data.ssp_mode = 0x00; |
3175405b | 2463 | |
af58925c MH |
2464 | flags = hci_inquiry_cache_update(hdev, &data, false); |
2465 | ||
48264f06 | 2466 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
efb2513f MH |
2467 | info->dev_class, HCI_RSSI_INVALID, |
2468 | flags, NULL, 0, NULL, 0); | |
1da177e4 | 2469 | } |
45bb4bf0 | 2470 | |
1da177e4 LT |
2471 | hci_dev_unlock(hdev); |
2472 | } | |
2473 | ||
6039aa73 | 2474 | static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2475 | { |
a9de9248 MH |
2476 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
2477 | struct hci_conn *conn; | |
1da177e4 LT |
2478 | |
2479 | BT_DBG("%s", hdev->name); | |
2480 | ||
2481 | hci_dev_lock(hdev); | |
2482 | ||
2483 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9499237a MH |
2484 | if (!conn) { |
2485 | if (ev->link_type != SCO_LINK) | |
2486 | goto unlock; | |
2487 | ||
2488 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); | |
2489 | if (!conn) | |
2490 | goto unlock; | |
2491 | ||
2492 | conn->type = SCO_LINK; | |
2493 | } | |
1da177e4 LT |
2494 | |
2495 | if (!ev->status) { | |
2496 | conn->handle = __le16_to_cpu(ev->handle); | |
769be974 MH |
2497 | |
2498 | if (conn->type == ACL_LINK) { | |
2499 | conn->state = BT_CONFIG; | |
2500 | hci_conn_hold(conn); | |
a9ea3ed9 SJ |
2501 | |
2502 | if (!conn->out && !hci_conn_ssp_enabled(conn) && | |
2503 | !hci_find_link_key(hdev, &ev->bdaddr)) | |
2504 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
2505 | else | |
2506 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
769be974 MH |
2507 | } else |
2508 | conn->state = BT_CONNECTED; | |
1da177e4 | 2509 | |
23b9ceb7 | 2510 | hci_debugfs_create_conn(conn); |
7d0db0a3 MH |
2511 | hci_conn_add_sysfs(conn); |
2512 | ||
1da177e4 | 2513 | if (test_bit(HCI_AUTH, &hdev->flags)) |
4dae2798 | 2514 | set_bit(HCI_CONN_AUTH, &conn->flags); |
1da177e4 LT |
2515 | |
2516 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
4dae2798 | 2517 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
1da177e4 | 2518 | |
04837f64 MH |
2519 | /* Get remote features */ |
2520 | if (conn->type == ACL_LINK) { | |
2521 | struct hci_cp_read_remote_features cp; | |
2522 | cp.handle = ev->handle; | |
769be974 | 2523 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
04124681 | 2524 | sizeof(cp), &cp); |
22f433dc | 2525 | |
01b1cb87 | 2526 | hci_req_update_scan(hdev); |
04837f64 MH |
2527 | } |
2528 | ||
1da177e4 | 2529 | /* Set packet type for incoming connection */ |
d095c1eb | 2530 | if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { |
1da177e4 LT |
2531 | struct hci_cp_change_conn_ptype cp; |
2532 | cp.handle = ev->handle; | |
a8746417 | 2533 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
04124681 GP |
2534 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), |
2535 | &cp); | |
1da177e4 | 2536 | } |
17d5c04c | 2537 | } else { |
1da177e4 | 2538 | conn->state = BT_CLOSED; |
17d5c04c | 2539 | if (conn->type == ACL_LINK) |
64c7b77c | 2540 | mgmt_connect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2541 | conn->dst_type, ev->status); |
17d5c04c | 2542 | } |
1da177e4 | 2543 | |
e73439d8 MH |
2544 | if (conn->type == ACL_LINK) |
2545 | hci_sco_setup(conn, ev->status); | |
1da177e4 | 2546 | |
769be974 | 2547 | if (ev->status) { |
539c496d | 2548 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2549 | hci_conn_del(conn); |
c89b6e6b | 2550 | } else if (ev->link_type != ACL_LINK) |
539c496d | 2551 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2552 | |
a9de9248 | 2553 | unlock: |
1da177e4 | 2554 | hci_dev_unlock(hdev); |
1da177e4 | 2555 | |
a9de9248 | 2556 | hci_conn_check_pending(hdev); |
1da177e4 LT |
2557 | } |
2558 | ||
70c46425 JH |
2559 | static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr) |
2560 | { | |
2561 | struct hci_cp_reject_conn_req cp; | |
2562 | ||
2563 | bacpy(&cp.bdaddr, bdaddr); | |
2564 | cp.reason = HCI_ERROR_REJ_BAD_ADDR; | |
2565 | hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); | |
2566 | } | |
2567 | ||
6039aa73 | 2568 | static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2569 | { |
a9de9248 MH |
2570 | struct hci_ev_conn_request *ev = (void *) skb->data; |
2571 | int mask = hdev->link_mode; | |
70c46425 JH |
2572 | struct inquiry_entry *ie; |
2573 | struct hci_conn *conn; | |
20714bfe | 2574 | __u8 flags = 0; |
1da177e4 | 2575 | |
6ed93dc6 | 2576 | BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, |
807deac2 | 2577 | ev->link_type); |
1da177e4 | 2578 | |
20714bfe FD |
2579 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, |
2580 | &flags); | |
1da177e4 | 2581 | |
70c46425 JH |
2582 | if (!(mask & HCI_LM_ACCEPT)) { |
2583 | hci_reject_conn(hdev, &ev->bdaddr); | |
2584 | return; | |
2585 | } | |
2586 | ||
46c4c941 JH |
2587 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr, |
2588 | BDADDR_BREDR)) { | |
2589 | hci_reject_conn(hdev, &ev->bdaddr); | |
2590 | return; | |
2591 | } | |
2592 | ||
6a8fc95c JH |
2593 | /* Require HCI_CONNECTABLE or a whitelist entry to accept the |
2594 | * connection. These features are only touched through mgmt so | |
2595 | * only do the checks if HCI_MGMT is set. | |
2596 | */ | |
d7a5a11d MH |
2597 | if (hci_dev_test_flag(hdev, HCI_MGMT) && |
2598 | !hci_dev_test_flag(hdev, HCI_CONNECTABLE) && | |
46c4c941 JH |
2599 | !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr, |
2600 | BDADDR_BREDR)) { | |
2601 | hci_reject_conn(hdev, &ev->bdaddr); | |
2602 | return; | |
70c46425 | 2603 | } |
1da177e4 | 2604 | |
70c46425 | 2605 | /* Connection accepted */ |
b6a0dc82 | 2606 | |
70c46425 JH |
2607 | hci_dev_lock(hdev); |
2608 | ||
2609 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); | |
2610 | if (ie) | |
2611 | memcpy(ie->data.dev_class, ev->dev_class, 3); | |
c7bdd502 | 2612 | |
70c46425 JH |
2613 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, |
2614 | &ev->bdaddr); | |
2615 | if (!conn) { | |
a5c4e309 JH |
2616 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
2617 | HCI_ROLE_SLAVE); | |
a9de9248 | 2618 | if (!conn) { |
2064ee33 | 2619 | bt_dev_err(hdev, "no memory for new connection"); |
70c46425 JH |
2620 | hci_dev_unlock(hdev); |
2621 | return; | |
1da177e4 | 2622 | } |
70c46425 | 2623 | } |
b6a0dc82 | 2624 | |
70c46425 | 2625 | memcpy(conn->dev_class, ev->dev_class, 3); |
b6a0dc82 | 2626 | |
70c46425 | 2627 | hci_dev_unlock(hdev); |
1da177e4 | 2628 | |
70c46425 JH |
2629 | if (ev->link_type == ACL_LINK || |
2630 | (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { | |
2631 | struct hci_cp_accept_conn_req cp; | |
2632 | conn->state = BT_CONNECT; | |
1da177e4 | 2633 | |
70c46425 | 2634 | bacpy(&cp.bdaddr, &ev->bdaddr); |
b6a0dc82 | 2635 | |
70c46425 JH |
2636 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) |
2637 | cp.role = 0x00; /* Become master */ | |
2638 | else | |
2639 | cp.role = 0x01; /* Remain slave */ | |
b6a0dc82 | 2640 | |
70c46425 JH |
2641 | hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); |
2642 | } else if (!(flags & HCI_PROTO_DEFER)) { | |
2643 | struct hci_cp_accept_sync_conn_req cp; | |
2644 | conn->state = BT_CONNECT; | |
b6a0dc82 | 2645 | |
70c46425 JH |
2646 | bacpy(&cp.bdaddr, &ev->bdaddr); |
2647 | cp.pkt_type = cpu_to_le16(conn->pkt_type); | |
b6a0dc82 | 2648 | |
70c46425 JH |
2649 | cp.tx_bandwidth = cpu_to_le32(0x00001f40); |
2650 | cp.rx_bandwidth = cpu_to_le32(0x00001f40); | |
2651 | cp.max_latency = cpu_to_le16(0xffff); | |
2652 | cp.content_format = cpu_to_le16(hdev->voice_setting); | |
2653 | cp.retrans_effort = 0xff; | |
1da177e4 | 2654 | |
70c46425 JH |
2655 | hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp), |
2656 | &cp); | |
a9de9248 | 2657 | } else { |
70c46425 | 2658 | conn->state = BT_CONNECT2; |
539c496d | 2659 | hci_connect_cfm(conn, 0); |
1da177e4 | 2660 | } |
1da177e4 LT |
2661 | } |
2662 | ||
f0d6a0ea MA |
2663 | static u8 hci_to_mgmt_reason(u8 err) |
2664 | { | |
2665 | switch (err) { | |
2666 | case HCI_ERROR_CONNECTION_TIMEOUT: | |
2667 | return MGMT_DEV_DISCONN_TIMEOUT; | |
2668 | case HCI_ERROR_REMOTE_USER_TERM: | |
2669 | case HCI_ERROR_REMOTE_LOW_RESOURCES: | |
2670 | case HCI_ERROR_REMOTE_POWER_OFF: | |
2671 | return MGMT_DEV_DISCONN_REMOTE; | |
2672 | case HCI_ERROR_LOCAL_HOST_TERM: | |
2673 | return MGMT_DEV_DISCONN_LOCAL_HOST; | |
2674 | default: | |
2675 | return MGMT_DEV_DISCONN_UNKNOWN; | |
2676 | } | |
2677 | } | |
2678 | ||
6039aa73 | 2679 | static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 2680 | { |
a9de9248 | 2681 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
160b9251 | 2682 | u8 reason; |
9fcb18ef | 2683 | struct hci_conn_params *params; |
04837f64 | 2684 | struct hci_conn *conn; |
12d4a3b2 | 2685 | bool mgmt_connected; |
3846220b | 2686 | u8 type; |
04837f64 | 2687 | |
9f1db00c | 2688 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
2689 | |
2690 | hci_dev_lock(hdev); | |
2691 | ||
2692 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
f7520543 JH |
2693 | if (!conn) |
2694 | goto unlock; | |
7d0db0a3 | 2695 | |
abf54a50 AG |
2696 | if (ev->status) { |
2697 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
2698 | conn->dst_type, ev->status); | |
2699 | goto unlock; | |
37d9ef76 | 2700 | } |
f7520543 | 2701 | |
3846220b AG |
2702 | conn->state = BT_CLOSED; |
2703 | ||
12d4a3b2 | 2704 | mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); |
160b9251 SJ |
2705 | |
2706 | if (test_bit(HCI_CONN_AUTH_FAILURE, &conn->flags)) | |
2707 | reason = MGMT_DEV_DISCONN_AUTH_FAILURE; | |
2708 | else | |
2709 | reason = hci_to_mgmt_reason(ev->reason); | |
2710 | ||
12d4a3b2 JH |
2711 | mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, |
2712 | reason, mgmt_connected); | |
abf54a50 | 2713 | |
22f433dc JH |
2714 | if (conn->type == ACL_LINK) { |
2715 | if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) | |
2716 | hci_remove_link_key(hdev, &conn->dst); | |
2717 | ||
01b1cb87 | 2718 | hci_req_update_scan(hdev); |
22f433dc | 2719 | } |
2210246c | 2720 | |
9fcb18ef AG |
2721 | params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); |
2722 | if (params) { | |
2723 | switch (params->auto_connect) { | |
2724 | case HCI_AUTO_CONN_LINK_LOSS: | |
2725 | if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT) | |
2726 | break; | |
2727 | /* Fall through */ | |
2728 | ||
4b9e7e75 | 2729 | case HCI_AUTO_CONN_DIRECT: |
9fcb18ef | 2730 | case HCI_AUTO_CONN_ALWAYS: |
418025d1 JH |
2731 | list_del_init(¶ms->action); |
2732 | list_add(¶ms->action, &hdev->pend_le_conns); | |
2733 | hci_update_background_scan(hdev); | |
9fcb18ef AG |
2734 | break; |
2735 | ||
2736 | default: | |
2737 | break; | |
2738 | } | |
2739 | } | |
2740 | ||
3846220b | 2741 | type = conn->type; |
2210246c | 2742 | |
3a6d576b | 2743 | hci_disconn_cfm(conn, ev->reason); |
3846220b AG |
2744 | hci_conn_del(conn); |
2745 | ||
2746 | /* Re-enable advertising if necessary, since it might | |
2747 | * have been disabled by the connection. From the | |
2748 | * HCI_LE_Set_Advertise_Enable command description in | |
2749 | * the core specification (v4.0): | |
2750 | * "The Controller shall continue advertising until the Host | |
2751 | * issues an LE_Set_Advertise_Enable command with | |
2752 | * Advertising_Enable set to 0x00 (Advertising is disabled) | |
2753 | * or until a connection is created or until the Advertising | |
2754 | * is timed out due to Directed Advertising." | |
2755 | */ | |
2756 | if (type == LE_LINK) | |
f2252570 | 2757 | hci_req_reenable_advertising(hdev); |
f7520543 JH |
2758 | |
2759 | unlock: | |
04837f64 MH |
2760 | hci_dev_unlock(hdev); |
2761 | } | |
2762 | ||
6039aa73 | 2763 | static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2764 | { |
a9de9248 | 2765 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
04837f64 | 2766 | struct hci_conn *conn; |
1da177e4 | 2767 | |
9f1db00c | 2768 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2769 | |
2770 | hci_dev_lock(hdev); | |
2771 | ||
04837f64 | 2772 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
d7556e20 WR |
2773 | if (!conn) |
2774 | goto unlock; | |
2775 | ||
2776 | if (!ev->status) { | |
160b9251 SJ |
2777 | clear_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); |
2778 | ||
aa64a8b5 | 2779 | if (!hci_conn_ssp_enabled(conn) && |
807deac2 | 2780 | test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { |
2064ee33 | 2781 | bt_dev_info(hdev, "re-auth of legacy device is not possible."); |
2a611692 | 2782 | } else { |
4dae2798 | 2783 | set_bit(HCI_CONN_AUTH, &conn->flags); |
d7556e20 | 2784 | conn->sec_level = conn->pending_sec_level; |
2a611692 | 2785 | } |
d7556e20 | 2786 | } else { |
160b9251 SJ |
2787 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
2788 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); | |
2789 | ||
e1e930f5 | 2790 | mgmt_auth_failed(conn, ev->status); |
d7556e20 | 2791 | } |
1da177e4 | 2792 | |
51a8efd7 JH |
2793 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
2794 | clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); | |
1da177e4 | 2795 | |
d7556e20 | 2796 | if (conn->state == BT_CONFIG) { |
aa64a8b5 | 2797 | if (!ev->status && hci_conn_ssp_enabled(conn)) { |
d7556e20 WR |
2798 | struct hci_cp_set_conn_encrypt cp; |
2799 | cp.handle = ev->handle; | |
2800 | cp.encrypt = 0x01; | |
2801 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2802 | &cp); |
052b30b0 | 2803 | } else { |
d7556e20 | 2804 | conn->state = BT_CONNECTED; |
539c496d | 2805 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2806 | hci_conn_drop(conn); |
052b30b0 | 2807 | } |
d7556e20 WR |
2808 | } else { |
2809 | hci_auth_cfm(conn, ev->status); | |
052b30b0 | 2810 | |
d7556e20 WR |
2811 | hci_conn_hold(conn); |
2812 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 2813 | hci_conn_drop(conn); |
d7556e20 WR |
2814 | } |
2815 | ||
51a8efd7 | 2816 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { |
d7556e20 WR |
2817 | if (!ev->status) { |
2818 | struct hci_cp_set_conn_encrypt cp; | |
2819 | cp.handle = ev->handle; | |
2820 | cp.encrypt = 0x01; | |
2821 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2822 | &cp); |
d7556e20 | 2823 | } else { |
51a8efd7 | 2824 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
d7556e20 | 2825 | hci_encrypt_cfm(conn, ev->status, 0x00); |
1da177e4 LT |
2826 | } |
2827 | } | |
2828 | ||
d7556e20 | 2829 | unlock: |
1da177e4 LT |
2830 | hci_dev_unlock(hdev); |
2831 | } | |
2832 | ||
6039aa73 | 2833 | static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2834 | { |
127178d2 JH |
2835 | struct hci_ev_remote_name *ev = (void *) skb->data; |
2836 | struct hci_conn *conn; | |
2837 | ||
a9de9248 | 2838 | BT_DBG("%s", hdev->name); |
1da177e4 | 2839 | |
a9de9248 | 2840 | hci_conn_check_pending(hdev); |
127178d2 JH |
2841 | |
2842 | hci_dev_lock(hdev); | |
2843 | ||
b644ba33 | 2844 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
30dc78e1 | 2845 | |
d7a5a11d | 2846 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 2847 | goto check_auth; |
a88a9652 | 2848 | |
b644ba33 JH |
2849 | if (ev->status == 0) |
2850 | hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, | |
04124681 | 2851 | strnlen(ev->name, HCI_MAX_NAME_LENGTH)); |
b644ba33 JH |
2852 | else |
2853 | hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); | |
2854 | ||
2855 | check_auth: | |
79c6c70c JH |
2856 | if (!conn) |
2857 | goto unlock; | |
2858 | ||
2859 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2860 | goto unlock; | |
2861 | ||
51a8efd7 | 2862 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
127178d2 | 2863 | struct hci_cp_auth_requested cp; |
977f8fce JH |
2864 | |
2865 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); | |
2866 | ||
127178d2 JH |
2867 | cp.handle = __cpu_to_le16(conn->handle); |
2868 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); | |
2869 | } | |
2870 | ||
79c6c70c | 2871 | unlock: |
127178d2 | 2872 | hci_dev_unlock(hdev); |
a9de9248 MH |
2873 | } |
2874 | ||
821f3766 JH |
2875 | static void read_enc_key_size_complete(struct hci_dev *hdev, u8 status, |
2876 | u16 opcode, struct sk_buff *skb) | |
2877 | { | |
2878 | const struct hci_rp_read_enc_key_size *rp; | |
2879 | struct hci_conn *conn; | |
2880 | u16 handle; | |
2881 | ||
2882 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
2883 | ||
2884 | if (!skb || skb->len < sizeof(*rp)) { | |
2064ee33 | 2885 | bt_dev_err(hdev, "invalid read key size response"); |
821f3766 JH |
2886 | return; |
2887 | } | |
2888 | ||
2889 | rp = (void *)skb->data; | |
2890 | handle = le16_to_cpu(rp->handle); | |
2891 | ||
2892 | hci_dev_lock(hdev); | |
2893 | ||
2894 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
2895 | if (!conn) | |
2896 | goto unlock; | |
2897 | ||
2898 | /* If we fail to read the encryption key size, assume maximum | |
2899 | * (which is the same we do also when this HCI command isn't | |
2900 | * supported. | |
2901 | */ | |
2902 | if (rp->status) { | |
2064ee33 MH |
2903 | bt_dev_err(hdev, "failed to read key size for handle %u", |
2904 | handle); | |
821f3766 JH |
2905 | conn->enc_key_size = HCI_LINK_KEY_SIZE; |
2906 | } else { | |
2907 | conn->enc_key_size = rp->key_size; | |
2908 | } | |
2909 | ||
2910 | if (conn->state == BT_CONFIG) { | |
2911 | conn->state = BT_CONNECTED; | |
2912 | hci_connect_cfm(conn, 0); | |
2913 | hci_conn_drop(conn); | |
2914 | } else { | |
2915 | u8 encrypt; | |
2916 | ||
2917 | if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) | |
2918 | encrypt = 0x00; | |
5d667ef6 | 2919 | else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) |
821f3766 JH |
2920 | encrypt = 0x02; |
2921 | else | |
2922 | encrypt = 0x01; | |
2923 | ||
2924 | hci_encrypt_cfm(conn, 0, encrypt); | |
2925 | } | |
2926 | ||
2927 | unlock: | |
2928 | hci_dev_unlock(hdev); | |
2929 | } | |
2930 | ||
6039aa73 | 2931 | static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2932 | { |
2933 | struct hci_ev_encrypt_change *ev = (void *) skb->data; | |
2934 | struct hci_conn *conn; | |
2935 | ||
9f1db00c | 2936 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2937 | |
2938 | hci_dev_lock(hdev); | |
2939 | ||
04837f64 | 2940 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
dc8357cc MH |
2941 | if (!conn) |
2942 | goto unlock; | |
1da177e4 | 2943 | |
dc8357cc MH |
2944 | if (!ev->status) { |
2945 | if (ev->encrypt) { | |
2946 | /* Encryption implies authentication */ | |
4dae2798 JH |
2947 | set_bit(HCI_CONN_AUTH, &conn->flags); |
2948 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); | |
dc8357cc | 2949 | conn->sec_level = conn->pending_sec_level; |
abf76bad | 2950 | |
914a6ffe MH |
2951 | /* P-256 authentication key implies FIPS */ |
2952 | if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) | |
4dae2798 | 2953 | set_bit(HCI_CONN_FIPS, &conn->flags); |
914a6ffe | 2954 | |
abf76bad MH |
2955 | if ((conn->type == ACL_LINK && ev->encrypt == 0x02) || |
2956 | conn->type == LE_LINK) | |
2957 | set_bit(HCI_CONN_AES_CCM, &conn->flags); | |
2958 | } else { | |
4dae2798 | 2959 | clear_bit(HCI_CONN_ENCRYPT, &conn->flags); |
abf76bad MH |
2960 | clear_bit(HCI_CONN_AES_CCM, &conn->flags); |
2961 | } | |
dc8357cc | 2962 | } |
a7d7723a | 2963 | |
7ed3fa20 JH |
2964 | /* We should disregard the current RPA and generate a new one |
2965 | * whenever the encryption procedure fails. | |
2966 | */ | |
a73c046a | 2967 | if (ev->status && conn->type == LE_LINK) { |
a1536da2 | 2968 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
a73c046a JK |
2969 | hci_adv_instances_set_rpa_expired(hdev, true); |
2970 | } | |
7ed3fa20 | 2971 | |
dc8357cc | 2972 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
f8558555 | 2973 | |
dc8357cc | 2974 | if (ev->status && conn->state == BT_CONNECTED) { |
160b9251 SJ |
2975 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
2976 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); | |
2977 | ||
dc8357cc MH |
2978 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
2979 | hci_conn_drop(conn); | |
2980 | goto unlock; | |
1da177e4 LT |
2981 | } |
2982 | ||
035ad621 JH |
2983 | /* In Secure Connections Only mode, do not allow any connections |
2984 | * that are not encrypted with AES-CCM using a P-256 authenticated | |
2985 | * combination key. | |
2986 | */ | |
2987 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY) && | |
2988 | (!test_bit(HCI_CONN_AES_CCM, &conn->flags) || | |
2989 | conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) { | |
2990 | hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE); | |
2991 | hci_conn_drop(conn); | |
2992 | goto unlock; | |
2993 | } | |
2994 | ||
821f3766 JH |
2995 | /* Try reading the encryption key size for encrypted ACL links */ |
2996 | if (!ev->status && ev->encrypt && conn->type == ACL_LINK) { | |
2997 | struct hci_cp_read_enc_key_size cp; | |
2998 | struct hci_request req; | |
2999 | ||
3000 | /* Only send HCI_Read_Encryption_Key_Size if the | |
3001 | * controller really supports it. If it doesn't, assume | |
3002 | * the default size (16). | |
3003 | */ | |
3004 | if (!(hdev->commands[20] & 0x10)) { | |
3005 | conn->enc_key_size = HCI_LINK_KEY_SIZE; | |
3006 | goto notify; | |
3007 | } | |
3008 | ||
3009 | hci_req_init(&req, hdev); | |
3010 | ||
3011 | cp.handle = cpu_to_le16(conn->handle); | |
3012 | hci_req_add(&req, HCI_OP_READ_ENC_KEY_SIZE, sizeof(cp), &cp); | |
3013 | ||
3014 | if (hci_req_run_skb(&req, read_enc_key_size_complete)) { | |
2064ee33 | 3015 | bt_dev_err(hdev, "sending read key size failed"); |
821f3766 JH |
3016 | conn->enc_key_size = HCI_LINK_KEY_SIZE; |
3017 | goto notify; | |
3018 | } | |
3019 | ||
3020 | goto unlock; | |
3021 | } | |
3022 | ||
302975cb SRK |
3023 | /* Set the default Authenticated Payload Timeout after |
3024 | * an LE Link is established. As per Core Spec v5.0, Vol 2, Part B | |
3025 | * Section 3.3, the HCI command WRITE_AUTH_PAYLOAD_TIMEOUT should be | |
3026 | * sent when the link is active and Encryption is enabled, the conn | |
3027 | * type can be either LE or ACL and controller must support LMP Ping. | |
3028 | * Ensure for AES-CCM encryption as well. | |
3029 | */ | |
3030 | if (test_bit(HCI_CONN_ENCRYPT, &conn->flags) && | |
3031 | test_bit(HCI_CONN_AES_CCM, &conn->flags) && | |
3032 | ((conn->type == ACL_LINK && lmp_ping_capable(hdev)) || | |
3033 | (conn->type == LE_LINK && (hdev->le_features[0] & HCI_LE_PING)))) { | |
3034 | struct hci_cp_write_auth_payload_to cp; | |
3035 | ||
3036 | cp.handle = cpu_to_le16(conn->handle); | |
3037 | cp.timeout = cpu_to_le16(hdev->auth_payload_timeout); | |
3038 | hci_send_cmd(conn->hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO, | |
3039 | sizeof(cp), &cp); | |
3040 | } | |
3041 | ||
821f3766 | 3042 | notify: |
dc8357cc MH |
3043 | if (conn->state == BT_CONFIG) { |
3044 | if (!ev->status) | |
3045 | conn->state = BT_CONNECTED; | |
3046 | ||
539c496d | 3047 | hci_connect_cfm(conn, ev->status); |
dc8357cc MH |
3048 | hci_conn_drop(conn); |
3049 | } else | |
3050 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
3051 | ||
a7d7723a | 3052 | unlock: |
1da177e4 LT |
3053 | hci_dev_unlock(hdev); |
3054 | } | |
3055 | ||
6039aa73 GP |
3056 | static void hci_change_link_key_complete_evt(struct hci_dev *hdev, |
3057 | struct sk_buff *skb) | |
1da177e4 | 3058 | { |
a9de9248 | 3059 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
04837f64 | 3060 | struct hci_conn *conn; |
1da177e4 | 3061 | |
9f1db00c | 3062 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3063 | |
3064 | hci_dev_lock(hdev); | |
3065 | ||
04837f64 | 3066 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
3067 | if (conn) { |
3068 | if (!ev->status) | |
4dae2798 | 3069 | set_bit(HCI_CONN_SECURE, &conn->flags); |
1da177e4 | 3070 | |
51a8efd7 | 3071 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
1da177e4 LT |
3072 | |
3073 | hci_key_change_cfm(conn, ev->status); | |
3074 | } | |
3075 | ||
3076 | hci_dev_unlock(hdev); | |
3077 | } | |
3078 | ||
6039aa73 GP |
3079 | static void hci_remote_features_evt(struct hci_dev *hdev, |
3080 | struct sk_buff *skb) | |
1da177e4 | 3081 | { |
a9de9248 MH |
3082 | struct hci_ev_remote_features *ev = (void *) skb->data; |
3083 | struct hci_conn *conn; | |
3084 | ||
9f1db00c | 3085 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 | 3086 | |
a9de9248 MH |
3087 | hci_dev_lock(hdev); |
3088 | ||
3089 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
3090 | if (!conn) |
3091 | goto unlock; | |
769be974 | 3092 | |
ccd556fe | 3093 | if (!ev->status) |
cad718ed | 3094 | memcpy(conn->features[0], ev->features, 8); |
ccd556fe JH |
3095 | |
3096 | if (conn->state != BT_CONFIG) | |
3097 | goto unlock; | |
3098 | ||
ac363cf9 SJ |
3099 | if (!ev->status && lmp_ext_feat_capable(hdev) && |
3100 | lmp_ext_feat_capable(conn)) { | |
ccd556fe JH |
3101 | struct hci_cp_read_remote_ext_features cp; |
3102 | cp.handle = ev->handle; | |
3103 | cp.page = 0x01; | |
3104 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, | |
807deac2 | 3105 | sizeof(cp), &cp); |
392599b9 JH |
3106 | goto unlock; |
3107 | } | |
3108 | ||
671267bf | 3109 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
3110 | struct hci_cp_remote_name_req cp; |
3111 | memset(&cp, 0, sizeof(cp)); | |
3112 | bacpy(&cp.bdaddr, &conn->dst); | |
3113 | cp.pscan_rep_mode = 0x02; | |
3114 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 3115 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 3116 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 3117 | |
127178d2 | 3118 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 3119 | conn->state = BT_CONNECTED; |
539c496d | 3120 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3121 | hci_conn_drop(conn); |
769be974 | 3122 | } |
a9de9248 | 3123 | |
ccd556fe | 3124 | unlock: |
a9de9248 | 3125 | hci_dev_unlock(hdev); |
1da177e4 LT |
3126 | } |
3127 | ||
e6214487 JH |
3128 | static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3129 | u16 *opcode, u8 *status, | |
3130 | hci_req_complete_t *req_complete, | |
3131 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3132 | { |
3133 | struct hci_ev_cmd_complete *ev = (void *) skb->data; | |
a9de9248 | 3134 | |
e6214487 JH |
3135 | *opcode = __le16_to_cpu(ev->opcode); |
3136 | *status = skb->data[sizeof(*ev)]; | |
a9de9248 | 3137 | |
e6214487 | 3138 | skb_pull(skb, sizeof(*ev)); |
a9de9248 | 3139 | |
e6214487 | 3140 | switch (*opcode) { |
a9de9248 MH |
3141 | case HCI_OP_INQUIRY_CANCEL: |
3142 | hci_cc_inquiry_cancel(hdev, skb); | |
3143 | break; | |
3144 | ||
4d93483b AG |
3145 | case HCI_OP_PERIODIC_INQ: |
3146 | hci_cc_periodic_inq(hdev, skb); | |
3147 | break; | |
3148 | ||
a9de9248 MH |
3149 | case HCI_OP_EXIT_PERIODIC_INQ: |
3150 | hci_cc_exit_periodic_inq(hdev, skb); | |
3151 | break; | |
3152 | ||
3153 | case HCI_OP_REMOTE_NAME_REQ_CANCEL: | |
3154 | hci_cc_remote_name_req_cancel(hdev, skb); | |
3155 | break; | |
3156 | ||
3157 | case HCI_OP_ROLE_DISCOVERY: | |
3158 | hci_cc_role_discovery(hdev, skb); | |
3159 | break; | |
3160 | ||
e4e8e37c MH |
3161 | case HCI_OP_READ_LINK_POLICY: |
3162 | hci_cc_read_link_policy(hdev, skb); | |
3163 | break; | |
3164 | ||
a9de9248 MH |
3165 | case HCI_OP_WRITE_LINK_POLICY: |
3166 | hci_cc_write_link_policy(hdev, skb); | |
3167 | break; | |
3168 | ||
e4e8e37c MH |
3169 | case HCI_OP_READ_DEF_LINK_POLICY: |
3170 | hci_cc_read_def_link_policy(hdev, skb); | |
3171 | break; | |
3172 | ||
3173 | case HCI_OP_WRITE_DEF_LINK_POLICY: | |
3174 | hci_cc_write_def_link_policy(hdev, skb); | |
3175 | break; | |
3176 | ||
a9de9248 MH |
3177 | case HCI_OP_RESET: |
3178 | hci_cc_reset(hdev, skb); | |
3179 | break; | |
3180 | ||
c2f0f979 MH |
3181 | case HCI_OP_READ_STORED_LINK_KEY: |
3182 | hci_cc_read_stored_link_key(hdev, skb); | |
3183 | break; | |
3184 | ||
a9366120 MH |
3185 | case HCI_OP_DELETE_STORED_LINK_KEY: |
3186 | hci_cc_delete_stored_link_key(hdev, skb); | |
3187 | break; | |
3188 | ||
a9de9248 MH |
3189 | case HCI_OP_WRITE_LOCAL_NAME: |
3190 | hci_cc_write_local_name(hdev, skb); | |
3191 | break; | |
3192 | ||
3193 | case HCI_OP_READ_LOCAL_NAME: | |
3194 | hci_cc_read_local_name(hdev, skb); | |
3195 | break; | |
3196 | ||
3197 | case HCI_OP_WRITE_AUTH_ENABLE: | |
3198 | hci_cc_write_auth_enable(hdev, skb); | |
3199 | break; | |
3200 | ||
3201 | case HCI_OP_WRITE_ENCRYPT_MODE: | |
3202 | hci_cc_write_encrypt_mode(hdev, skb); | |
3203 | break; | |
3204 | ||
3205 | case HCI_OP_WRITE_SCAN_ENABLE: | |
3206 | hci_cc_write_scan_enable(hdev, skb); | |
3207 | break; | |
3208 | ||
3209 | case HCI_OP_READ_CLASS_OF_DEV: | |
3210 | hci_cc_read_class_of_dev(hdev, skb); | |
3211 | break; | |
3212 | ||
3213 | case HCI_OP_WRITE_CLASS_OF_DEV: | |
3214 | hci_cc_write_class_of_dev(hdev, skb); | |
3215 | break; | |
3216 | ||
3217 | case HCI_OP_READ_VOICE_SETTING: | |
3218 | hci_cc_read_voice_setting(hdev, skb); | |
3219 | break; | |
3220 | ||
3221 | case HCI_OP_WRITE_VOICE_SETTING: | |
3222 | hci_cc_write_voice_setting(hdev, skb); | |
3223 | break; | |
3224 | ||
b4cb9fb2 MH |
3225 | case HCI_OP_READ_NUM_SUPPORTED_IAC: |
3226 | hci_cc_read_num_supported_iac(hdev, skb); | |
3227 | break; | |
3228 | ||
333140b5 MH |
3229 | case HCI_OP_WRITE_SSP_MODE: |
3230 | hci_cc_write_ssp_mode(hdev, skb); | |
3231 | break; | |
3232 | ||
eac83dc6 MH |
3233 | case HCI_OP_WRITE_SC_SUPPORT: |
3234 | hci_cc_write_sc_support(hdev, skb); | |
3235 | break; | |
3236 | ||
302975cb SRK |
3237 | case HCI_OP_READ_AUTH_PAYLOAD_TO: |
3238 | hci_cc_read_auth_payload_timeout(hdev, skb); | |
3239 | break; | |
3240 | ||
3241 | case HCI_OP_WRITE_AUTH_PAYLOAD_TO: | |
3242 | hci_cc_write_auth_payload_timeout(hdev, skb); | |
3243 | break; | |
3244 | ||
a9de9248 MH |
3245 | case HCI_OP_READ_LOCAL_VERSION: |
3246 | hci_cc_read_local_version(hdev, skb); | |
3247 | break; | |
3248 | ||
3249 | case HCI_OP_READ_LOCAL_COMMANDS: | |
3250 | hci_cc_read_local_commands(hdev, skb); | |
3251 | break; | |
3252 | ||
3253 | case HCI_OP_READ_LOCAL_FEATURES: | |
3254 | hci_cc_read_local_features(hdev, skb); | |
3255 | break; | |
3256 | ||
971e3a4b AG |
3257 | case HCI_OP_READ_LOCAL_EXT_FEATURES: |
3258 | hci_cc_read_local_ext_features(hdev, skb); | |
3259 | break; | |
3260 | ||
a9de9248 MH |
3261 | case HCI_OP_READ_BUFFER_SIZE: |
3262 | hci_cc_read_buffer_size(hdev, skb); | |
3263 | break; | |
3264 | ||
3265 | case HCI_OP_READ_BD_ADDR: | |
3266 | hci_cc_read_bd_addr(hdev, skb); | |
3267 | break; | |
3268 | ||
f332ec66 JH |
3269 | case HCI_OP_READ_PAGE_SCAN_ACTIVITY: |
3270 | hci_cc_read_page_scan_activity(hdev, skb); | |
3271 | break; | |
3272 | ||
4a3ee763 JH |
3273 | case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: |
3274 | hci_cc_write_page_scan_activity(hdev, skb); | |
3275 | break; | |
3276 | ||
f332ec66 JH |
3277 | case HCI_OP_READ_PAGE_SCAN_TYPE: |
3278 | hci_cc_read_page_scan_type(hdev, skb); | |
3279 | break; | |
3280 | ||
4a3ee763 JH |
3281 | case HCI_OP_WRITE_PAGE_SCAN_TYPE: |
3282 | hci_cc_write_page_scan_type(hdev, skb); | |
3283 | break; | |
3284 | ||
350ee4cf AE |
3285 | case HCI_OP_READ_DATA_BLOCK_SIZE: |
3286 | hci_cc_read_data_block_size(hdev, skb); | |
3287 | break; | |
3288 | ||
1e89cffb AE |
3289 | case HCI_OP_READ_FLOW_CONTROL_MODE: |
3290 | hci_cc_read_flow_control_mode(hdev, skb); | |
3291 | break; | |
3292 | ||
928abaa7 AE |
3293 | case HCI_OP_READ_LOCAL_AMP_INFO: |
3294 | hci_cc_read_local_amp_info(hdev, skb); | |
3295 | break; | |
3296 | ||
33f35721 JH |
3297 | case HCI_OP_READ_CLOCK: |
3298 | hci_cc_read_clock(hdev, skb); | |
3299 | break; | |
3300 | ||
d5859e22 JH |
3301 | case HCI_OP_READ_INQ_RSP_TX_POWER: |
3302 | hci_cc_read_inq_rsp_tx_power(hdev, skb); | |
3303 | break; | |
3304 | ||
980e1a53 JH |
3305 | case HCI_OP_PIN_CODE_REPLY: |
3306 | hci_cc_pin_code_reply(hdev, skb); | |
3307 | break; | |
3308 | ||
3309 | case HCI_OP_PIN_CODE_NEG_REPLY: | |
3310 | hci_cc_pin_code_neg_reply(hdev, skb); | |
3311 | break; | |
3312 | ||
c35938b2 | 3313 | case HCI_OP_READ_LOCAL_OOB_DATA: |
4d2d2796 MH |
3314 | hci_cc_read_local_oob_data(hdev, skb); |
3315 | break; | |
3316 | ||
3317 | case HCI_OP_READ_LOCAL_OOB_EXT_DATA: | |
3318 | hci_cc_read_local_oob_ext_data(hdev, skb); | |
c35938b2 SJ |
3319 | break; |
3320 | ||
6ed58ec5 VT |
3321 | case HCI_OP_LE_READ_BUFFER_SIZE: |
3322 | hci_cc_le_read_buffer_size(hdev, skb); | |
3323 | break; | |
3324 | ||
60e77321 JH |
3325 | case HCI_OP_LE_READ_LOCAL_FEATURES: |
3326 | hci_cc_le_read_local_features(hdev, skb); | |
3327 | break; | |
3328 | ||
8fa19098 JH |
3329 | case HCI_OP_LE_READ_ADV_TX_POWER: |
3330 | hci_cc_le_read_adv_tx_power(hdev, skb); | |
3331 | break; | |
3332 | ||
a5c29683 JH |
3333 | case HCI_OP_USER_CONFIRM_REPLY: |
3334 | hci_cc_user_confirm_reply(hdev, skb); | |
3335 | break; | |
3336 | ||
3337 | case HCI_OP_USER_CONFIRM_NEG_REPLY: | |
3338 | hci_cc_user_confirm_neg_reply(hdev, skb); | |
3339 | break; | |
3340 | ||
1143d458 BG |
3341 | case HCI_OP_USER_PASSKEY_REPLY: |
3342 | hci_cc_user_passkey_reply(hdev, skb); | |
3343 | break; | |
3344 | ||
3345 | case HCI_OP_USER_PASSKEY_NEG_REPLY: | |
3346 | hci_cc_user_passkey_neg_reply(hdev, skb); | |
16cde993 | 3347 | break; |
07f7fa5d | 3348 | |
7a4cd51d MH |
3349 | case HCI_OP_LE_SET_RANDOM_ADDR: |
3350 | hci_cc_le_set_random_addr(hdev, skb); | |
3351 | break; | |
3352 | ||
c1d5dc4a JH |
3353 | case HCI_OP_LE_SET_ADV_ENABLE: |
3354 | hci_cc_le_set_adv_enable(hdev, skb); | |
3355 | break; | |
3356 | ||
533553f8 MH |
3357 | case HCI_OP_LE_SET_SCAN_PARAM: |
3358 | hci_cc_le_set_scan_param(hdev, skb); | |
3359 | break; | |
3360 | ||
eb9d91f5 AG |
3361 | case HCI_OP_LE_SET_SCAN_ENABLE: |
3362 | hci_cc_le_set_scan_enable(hdev, skb); | |
3363 | break; | |
3364 | ||
cf1d081f JH |
3365 | case HCI_OP_LE_READ_WHITE_LIST_SIZE: |
3366 | hci_cc_le_read_white_list_size(hdev, skb); | |
3367 | break; | |
3368 | ||
0f36b589 MH |
3369 | case HCI_OP_LE_CLEAR_WHITE_LIST: |
3370 | hci_cc_le_clear_white_list(hdev, skb); | |
3371 | break; | |
3372 | ||
3373 | case HCI_OP_LE_ADD_TO_WHITE_LIST: | |
3374 | hci_cc_le_add_to_white_list(hdev, skb); | |
3375 | break; | |
3376 | ||
3377 | case HCI_OP_LE_DEL_FROM_WHITE_LIST: | |
3378 | hci_cc_le_del_from_white_list(hdev, skb); | |
3379 | break; | |
3380 | ||
9b008c04 JH |
3381 | case HCI_OP_LE_READ_SUPPORTED_STATES: |
3382 | hci_cc_le_read_supported_states(hdev, skb); | |
3383 | break; | |
3384 | ||
a8e1bfaa MH |
3385 | case HCI_OP_LE_READ_DEF_DATA_LEN: |
3386 | hci_cc_le_read_def_data_len(hdev, skb); | |
3387 | break; | |
3388 | ||
3389 | case HCI_OP_LE_WRITE_DEF_DATA_LEN: | |
3390 | hci_cc_le_write_def_data_len(hdev, skb); | |
3391 | break; | |
3392 | ||
b950aa88 AN |
3393 | case HCI_OP_LE_ADD_TO_RESOLV_LIST: |
3394 | hci_cc_le_add_to_resolv_list(hdev, skb); | |
3395 | break; | |
3396 | ||
3397 | case HCI_OP_LE_DEL_FROM_RESOLV_LIST: | |
3398 | hci_cc_le_del_from_resolv_list(hdev, skb); | |
3399 | break; | |
3400 | ||
545f2596 AN |
3401 | case HCI_OP_LE_CLEAR_RESOLV_LIST: |
3402 | hci_cc_le_clear_resolv_list(hdev, skb); | |
3403 | break; | |
3404 | ||
cfdb0c2d AN |
3405 | case HCI_OP_LE_READ_RESOLV_LIST_SIZE: |
3406 | hci_cc_le_read_resolv_list_size(hdev, skb); | |
3407 | break; | |
3408 | ||
aa12af77 AN |
3409 | case HCI_OP_LE_SET_ADDR_RESOLV_ENABLE: |
3410 | hci_cc_le_set_addr_resolution_enable(hdev, skb); | |
3411 | break; | |
3412 | ||
a8e1bfaa MH |
3413 | case HCI_OP_LE_READ_MAX_DATA_LEN: |
3414 | hci_cc_le_read_max_data_len(hdev, skb); | |
3415 | break; | |
3416 | ||
f9b49306 AG |
3417 | case HCI_OP_WRITE_LE_HOST_SUPPORTED: |
3418 | hci_cc_write_le_host_supported(hdev, skb); | |
3419 | break; | |
3420 | ||
56ed2cb8 JH |
3421 | case HCI_OP_LE_SET_ADV_PARAM: |
3422 | hci_cc_set_adv_param(hdev, skb); | |
3423 | break; | |
3424 | ||
5ae76a94 AK |
3425 | case HCI_OP_READ_RSSI: |
3426 | hci_cc_read_rssi(hdev, skb); | |
3427 | break; | |
3428 | ||
5a134fae AK |
3429 | case HCI_OP_READ_TX_POWER: |
3430 | hci_cc_read_tx_power(hdev, skb); | |
3431 | break; | |
3432 | ||
c50b33c8 MH |
3433 | case HCI_OP_WRITE_SSP_DEBUG_MODE: |
3434 | hci_cc_write_ssp_debug_mode(hdev, skb); | |
3435 | break; | |
3436 | ||
a2344b9e JK |
3437 | case HCI_OP_LE_SET_EXT_SCAN_PARAMS: |
3438 | hci_cc_le_set_ext_scan_param(hdev, skb); | |
3439 | break; | |
3440 | ||
3441 | case HCI_OP_LE_SET_EXT_SCAN_ENABLE: | |
3442 | hci_cc_le_set_ext_scan_enable(hdev, skb); | |
3443 | break; | |
3444 | ||
0314f286 JK |
3445 | case HCI_OP_LE_SET_DEFAULT_PHY: |
3446 | hci_cc_le_set_default_phy(hdev, skb); | |
3447 | break; | |
3448 | ||
6b49bcb4 JK |
3449 | case HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS: |
3450 | hci_cc_le_read_num_adv_sets(hdev, skb); | |
3451 | break; | |
3452 | ||
de181e88 JK |
3453 | case HCI_OP_LE_SET_EXT_ADV_PARAMS: |
3454 | hci_cc_set_ext_adv_param(hdev, skb); | |
3455 | break; | |
3456 | ||
3457 | case HCI_OP_LE_SET_EXT_ADV_ENABLE: | |
3458 | hci_cc_le_set_ext_adv_enable(hdev, skb); | |
3459 | break; | |
3460 | ||
a73c046a JK |
3461 | case HCI_OP_LE_SET_ADV_SET_RAND_ADDR: |
3462 | hci_cc_le_set_adv_set_random_addr(hdev, skb); | |
3463 | break; | |
3464 | ||
a9de9248 | 3465 | default: |
e6214487 | 3466 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3467 | break; |
3468 | } | |
3469 | ||
e6214487 | 3470 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3471 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3472 | |
600b2150 JH |
3473 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3474 | atomic_set(&hdev->cmd_cnt, 1); | |
3475 | ||
e6214487 JH |
3476 | hci_req_cmd_complete(hdev, *opcode, *status, req_complete, |
3477 | req_complete_skb); | |
9238f36a | 3478 | |
f80c5dad JPRV |
3479 | if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) { |
3480 | bt_dev_err(hdev, | |
3481 | "unexpected event for opcode 0x%4.4x", *opcode); | |
3482 | return; | |
3483 | } | |
3484 | ||
600b2150 JH |
3485 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3486 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3487 | } |
3488 | ||
e6214487 JH |
3489 | static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3490 | u16 *opcode, u8 *status, | |
3491 | hci_req_complete_t *req_complete, | |
3492 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3493 | { |
3494 | struct hci_ev_cmd_status *ev = (void *) skb->data; | |
a9de9248 MH |
3495 | |
3496 | skb_pull(skb, sizeof(*ev)); | |
3497 | ||
e6214487 JH |
3498 | *opcode = __le16_to_cpu(ev->opcode); |
3499 | *status = ev->status; | |
a9de9248 | 3500 | |
e6214487 | 3501 | switch (*opcode) { |
a9de9248 MH |
3502 | case HCI_OP_INQUIRY: |
3503 | hci_cs_inquiry(hdev, ev->status); | |
3504 | break; | |
3505 | ||
3506 | case HCI_OP_CREATE_CONN: | |
3507 | hci_cs_create_conn(hdev, ev->status); | |
3508 | break; | |
3509 | ||
9645c76c KP |
3510 | case HCI_OP_DISCONNECT: |
3511 | hci_cs_disconnect(hdev, ev->status); | |
3512 | break; | |
3513 | ||
a9de9248 MH |
3514 | case HCI_OP_ADD_SCO: |
3515 | hci_cs_add_sco(hdev, ev->status); | |
3516 | break; | |
3517 | ||
f8558555 MH |
3518 | case HCI_OP_AUTH_REQUESTED: |
3519 | hci_cs_auth_requested(hdev, ev->status); | |
3520 | break; | |
3521 | ||
3522 | case HCI_OP_SET_CONN_ENCRYPT: | |
3523 | hci_cs_set_conn_encrypt(hdev, ev->status); | |
3524 | break; | |
3525 | ||
a9de9248 MH |
3526 | case HCI_OP_REMOTE_NAME_REQ: |
3527 | hci_cs_remote_name_req(hdev, ev->status); | |
3528 | break; | |
3529 | ||
769be974 MH |
3530 | case HCI_OP_READ_REMOTE_FEATURES: |
3531 | hci_cs_read_remote_features(hdev, ev->status); | |
3532 | break; | |
3533 | ||
3534 | case HCI_OP_READ_REMOTE_EXT_FEATURES: | |
3535 | hci_cs_read_remote_ext_features(hdev, ev->status); | |
3536 | break; | |
3537 | ||
a9de9248 MH |
3538 | case HCI_OP_SETUP_SYNC_CONN: |
3539 | hci_cs_setup_sync_conn(hdev, ev->status); | |
3540 | break; | |
3541 | ||
3542 | case HCI_OP_SNIFF_MODE: | |
3543 | hci_cs_sniff_mode(hdev, ev->status); | |
3544 | break; | |
3545 | ||
3546 | case HCI_OP_EXIT_SNIFF_MODE: | |
3547 | hci_cs_exit_sniff_mode(hdev, ev->status); | |
3548 | break; | |
3549 | ||
50fc85f1 KP |
3550 | case HCI_OP_SWITCH_ROLE: |
3551 | hci_cs_switch_role(hdev, ev->status); | |
3552 | break; | |
3553 | ||
cb1d68f7 JH |
3554 | case HCI_OP_LE_CREATE_CONN: |
3555 | hci_cs_le_create_conn(hdev, ev->status); | |
3556 | break; | |
3557 | ||
0fe29fd1 MH |
3558 | case HCI_OP_LE_READ_REMOTE_FEATURES: |
3559 | hci_cs_le_read_remote_features(hdev, ev->status); | |
3560 | break; | |
3561 | ||
81d0c8ad JH |
3562 | case HCI_OP_LE_START_ENC: |
3563 | hci_cs_le_start_enc(hdev, ev->status); | |
3564 | break; | |
3565 | ||
4d94f95d JK |
3566 | case HCI_OP_LE_EXT_CREATE_CONN: |
3567 | hci_cs_le_ext_create_conn(hdev, ev->status); | |
3568 | break; | |
3569 | ||
a9de9248 | 3570 | default: |
e6214487 | 3571 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3572 | break; |
3573 | } | |
3574 | ||
e6214487 | 3575 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3576 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3577 | |
600b2150 JH |
3578 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3579 | atomic_set(&hdev->cmd_cnt, 1); | |
3580 | ||
444c6dd5 JH |
3581 | /* Indicate request completion if the command failed. Also, if |
3582 | * we're not waiting for a special event and we get a success | |
3583 | * command status we should try to flag the request as completed | |
3584 | * (since for this kind of commands there will not be a command | |
3585 | * complete event). | |
3586 | */ | |
02350a72 | 3587 | if (ev->status || |
242c0ebd | 3588 | (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->hci.req_event)) |
e6214487 JH |
3589 | hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete, |
3590 | req_complete_skb); | |
9238f36a | 3591 | |
f80c5dad JPRV |
3592 | if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) { |
3593 | bt_dev_err(hdev, | |
3594 | "unexpected event for opcode 0x%4.4x", *opcode); | |
3595 | return; | |
3596 | } | |
3597 | ||
600b2150 JH |
3598 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3599 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3600 | } |
3601 | ||
24dfa343 MH |
3602 | static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb) |
3603 | { | |
3604 | struct hci_ev_hardware_error *ev = (void *) skb->data; | |
3605 | ||
c7741d16 MH |
3606 | hdev->hw_error_code = ev->code; |
3607 | ||
3608 | queue_work(hdev->req_workqueue, &hdev->error_reset); | |
24dfa343 MH |
3609 | } |
3610 | ||
6039aa73 | 3611 | static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3612 | { |
3613 | struct hci_ev_role_change *ev = (void *) skb->data; | |
3614 | struct hci_conn *conn; | |
3615 | ||
9f1db00c | 3616 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 MH |
3617 | |
3618 | hci_dev_lock(hdev); | |
3619 | ||
3620 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3621 | if (conn) { | |
40bef302 JH |
3622 | if (!ev->status) |
3623 | conn->role = ev->role; | |
a9de9248 | 3624 | |
51a8efd7 | 3625 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); |
a9de9248 MH |
3626 | |
3627 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
3628 | } | |
3629 | ||
3630 | hci_dev_unlock(hdev); | |
3631 | } | |
3632 | ||
6039aa73 | 3633 | static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3634 | { |
3635 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; | |
a9de9248 MH |
3636 | int i; |
3637 | ||
32ac5b9b | 3638 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { |
2064ee33 | 3639 | bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); |
32ac5b9b AE |
3640 | return; |
3641 | } | |
3642 | ||
16e18342 GS |
3643 | if (skb->len < sizeof(*ev) || |
3644 | skb->len < struct_size(ev, handles, ev->num_hndl)) { | |
a9de9248 MH |
3645 | BT_DBG("%s bad parameters", hdev->name); |
3646 | return; | |
3647 | } | |
3648 | ||
c5993de8 AE |
3649 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); |
3650 | ||
613a1c0c AE |
3651 | for (i = 0; i < ev->num_hndl; i++) { |
3652 | struct hci_comp_pkts_info *info = &ev->handles[i]; | |
a9de9248 MH |
3653 | struct hci_conn *conn; |
3654 | __u16 handle, count; | |
3655 | ||
613a1c0c AE |
3656 | handle = __le16_to_cpu(info->handle); |
3657 | count = __le16_to_cpu(info->count); | |
a9de9248 MH |
3658 | |
3659 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
f4280918 AE |
3660 | if (!conn) |
3661 | continue; | |
3662 | ||
3663 | conn->sent -= count; | |
3664 | ||
3665 | switch (conn->type) { | |
3666 | case ACL_LINK: | |
3667 | hdev->acl_cnt += count; | |
3668 | if (hdev->acl_cnt > hdev->acl_pkts) | |
3669 | hdev->acl_cnt = hdev->acl_pkts; | |
3670 | break; | |
3671 | ||
3672 | case LE_LINK: | |
3673 | if (hdev->le_pkts) { | |
3674 | hdev->le_cnt += count; | |
3675 | if (hdev->le_cnt > hdev->le_pkts) | |
3676 | hdev->le_cnt = hdev->le_pkts; | |
3677 | } else { | |
70f23020 AE |
3678 | hdev->acl_cnt += count; |
3679 | if (hdev->acl_cnt > hdev->acl_pkts) | |
a9de9248 | 3680 | hdev->acl_cnt = hdev->acl_pkts; |
a9de9248 | 3681 | } |
f4280918 AE |
3682 | break; |
3683 | ||
3684 | case SCO_LINK: | |
3685 | hdev->sco_cnt += count; | |
3686 | if (hdev->sco_cnt > hdev->sco_pkts) | |
3687 | hdev->sco_cnt = hdev->sco_pkts; | |
3688 | break; | |
3689 | ||
3690 | default: | |
2064ee33 MH |
3691 | bt_dev_err(hdev, "unknown type %d conn %p", |
3692 | conn->type, conn); | |
f4280918 | 3693 | break; |
a9de9248 MH |
3694 | } |
3695 | } | |
3696 | ||
3eff45ea | 3697 | queue_work(hdev->workqueue, &hdev->tx_work); |
a9de9248 MH |
3698 | } |
3699 | ||
76ef7cf7 AE |
3700 | static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, |
3701 | __u16 handle) | |
3702 | { | |
3703 | struct hci_chan *chan; | |
3704 | ||
3705 | switch (hdev->dev_type) { | |
ca8bee5d | 3706 | case HCI_PRIMARY: |
76ef7cf7 AE |
3707 | return hci_conn_hash_lookup_handle(hdev, handle); |
3708 | case HCI_AMP: | |
3709 | chan = hci_chan_lookup_handle(hdev, handle); | |
3710 | if (chan) | |
3711 | return chan->conn; | |
3712 | break; | |
3713 | default: | |
2064ee33 | 3714 | bt_dev_err(hdev, "unknown dev_type %d", hdev->dev_type); |
76ef7cf7 AE |
3715 | break; |
3716 | } | |
3717 | ||
3718 | return NULL; | |
3719 | } | |
3720 | ||
6039aa73 | 3721 | static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) |
25e89e99 AE |
3722 | { |
3723 | struct hci_ev_num_comp_blocks *ev = (void *) skb->data; | |
3724 | int i; | |
3725 | ||
3726 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { | |
2064ee33 | 3727 | bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); |
25e89e99 AE |
3728 | return; |
3729 | } | |
3730 | ||
16e18342 GS |
3731 | if (skb->len < sizeof(*ev) || |
3732 | skb->len < struct_size(ev, handles, ev->num_hndl)) { | |
25e89e99 AE |
3733 | BT_DBG("%s bad parameters", hdev->name); |
3734 | return; | |
3735 | } | |
3736 | ||
3737 | BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, | |
807deac2 | 3738 | ev->num_hndl); |
25e89e99 AE |
3739 | |
3740 | for (i = 0; i < ev->num_hndl; i++) { | |
3741 | struct hci_comp_blocks_info *info = &ev->handles[i]; | |
76ef7cf7 | 3742 | struct hci_conn *conn = NULL; |
25e89e99 AE |
3743 | __u16 handle, block_count; |
3744 | ||
3745 | handle = __le16_to_cpu(info->handle); | |
3746 | block_count = __le16_to_cpu(info->blocks); | |
3747 | ||
76ef7cf7 | 3748 | conn = __hci_conn_lookup_handle(hdev, handle); |
25e89e99 AE |
3749 | if (!conn) |
3750 | continue; | |
3751 | ||
3752 | conn->sent -= block_count; | |
3753 | ||
3754 | switch (conn->type) { | |
3755 | case ACL_LINK: | |
bd1eb66b | 3756 | case AMP_LINK: |
25e89e99 AE |
3757 | hdev->block_cnt += block_count; |
3758 | if (hdev->block_cnt > hdev->num_blocks) | |
3759 | hdev->block_cnt = hdev->num_blocks; | |
3760 | break; | |
3761 | ||
3762 | default: | |
2064ee33 MH |
3763 | bt_dev_err(hdev, "unknown type %d conn %p", |
3764 | conn->type, conn); | |
25e89e99 AE |
3765 | break; |
3766 | } | |
3767 | } | |
3768 | ||
3769 | queue_work(hdev->workqueue, &hdev->tx_work); | |
3770 | } | |
3771 | ||
6039aa73 | 3772 | static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 3773 | { |
a9de9248 | 3774 | struct hci_ev_mode_change *ev = (void *) skb->data; |
04837f64 MH |
3775 | struct hci_conn *conn; |
3776 | ||
9f1db00c | 3777 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
3778 | |
3779 | hci_dev_lock(hdev); | |
3780 | ||
3781 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
a9de9248 MH |
3782 | if (conn) { |
3783 | conn->mode = ev->mode; | |
a9de9248 | 3784 | |
8fc9ced3 GP |
3785 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, |
3786 | &conn->flags)) { | |
a9de9248 | 3787 | if (conn->mode == HCI_CM_ACTIVE) |
58a681ef | 3788 | set_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3789 | else |
58a681ef | 3790 | clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3791 | } |
e73439d8 | 3792 | |
51a8efd7 | 3793 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 | 3794 | hci_sco_setup(conn, ev->status); |
04837f64 MH |
3795 | } |
3796 | ||
3797 | hci_dev_unlock(hdev); | |
3798 | } | |
3799 | ||
6039aa73 | 3800 | static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3801 | { |
052b30b0 MH |
3802 | struct hci_ev_pin_code_req *ev = (void *) skb->data; |
3803 | struct hci_conn *conn; | |
3804 | ||
a9de9248 | 3805 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3806 | |
3807 | hci_dev_lock(hdev); | |
3808 | ||
3809 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
b6f98044 WR |
3810 | if (!conn) |
3811 | goto unlock; | |
3812 | ||
3813 | if (conn->state == BT_CONNECTED) { | |
052b30b0 MH |
3814 | hci_conn_hold(conn); |
3815 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
76a68ba0 | 3816 | hci_conn_drop(conn); |
052b30b0 MH |
3817 | } |
3818 | ||
d7a5a11d | 3819 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE) && |
2f407f0a | 3820 | !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) { |
03b555e1 | 3821 | hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
807deac2 | 3822 | sizeof(ev->bdaddr), &ev->bdaddr); |
d7a5a11d | 3823 | } else if (hci_dev_test_flag(hdev, HCI_MGMT)) { |
a770bb5a WR |
3824 | u8 secure; |
3825 | ||
3826 | if (conn->pending_sec_level == BT_SECURITY_HIGH) | |
3827 | secure = 1; | |
3828 | else | |
3829 | secure = 0; | |
3830 | ||
744cf19e | 3831 | mgmt_pin_code_request(hdev, &ev->bdaddr, secure); |
a770bb5a | 3832 | } |
980e1a53 | 3833 | |
b6f98044 | 3834 | unlock: |
052b30b0 | 3835 | hci_dev_unlock(hdev); |
a9de9248 MH |
3836 | } |
3837 | ||
cb6f3f7a JH |
3838 | static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len) |
3839 | { | |
3840 | if (key_type == HCI_LK_CHANGED_COMBINATION) | |
3841 | return; | |
3842 | ||
3843 | conn->pin_length = pin_len; | |
3844 | conn->key_type = key_type; | |
3845 | ||
3846 | switch (key_type) { | |
3847 | case HCI_LK_LOCAL_UNIT: | |
3848 | case HCI_LK_REMOTE_UNIT: | |
3849 | case HCI_LK_DEBUG_COMBINATION: | |
3850 | return; | |
3851 | case HCI_LK_COMBINATION: | |
3852 | if (pin_len == 16) | |
3853 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3854 | else | |
3855 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3856 | break; | |
3857 | case HCI_LK_UNAUTH_COMBINATION_P192: | |
3858 | case HCI_LK_UNAUTH_COMBINATION_P256: | |
3859 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3860 | break; | |
3861 | case HCI_LK_AUTH_COMBINATION_P192: | |
3862 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3863 | break; | |
3864 | case HCI_LK_AUTH_COMBINATION_P256: | |
3865 | conn->pending_sec_level = BT_SECURITY_FIPS; | |
3866 | break; | |
3867 | } | |
3868 | } | |
3869 | ||
6039aa73 | 3870 | static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3871 | { |
55ed8ca1 JH |
3872 | struct hci_ev_link_key_req *ev = (void *) skb->data; |
3873 | struct hci_cp_link_key_reply cp; | |
3874 | struct hci_conn *conn; | |
3875 | struct link_key *key; | |
3876 | ||
a9de9248 | 3877 | BT_DBG("%s", hdev->name); |
55ed8ca1 | 3878 | |
d7a5a11d | 3879 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
55ed8ca1 JH |
3880 | return; |
3881 | ||
3882 | hci_dev_lock(hdev); | |
3883 | ||
3884 | key = hci_find_link_key(hdev, &ev->bdaddr); | |
3885 | if (!key) { | |
6ed93dc6 AE |
3886 | BT_DBG("%s link key not found for %pMR", hdev->name, |
3887 | &ev->bdaddr); | |
55ed8ca1 JH |
3888 | goto not_found; |
3889 | } | |
3890 | ||
6ed93dc6 AE |
3891 | BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, |
3892 | &ev->bdaddr); | |
55ed8ca1 | 3893 | |
55ed8ca1 | 3894 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
60b83f57 | 3895 | if (conn) { |
fe8bc5ac JH |
3896 | clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
3897 | ||
66138ce8 MH |
3898 | if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || |
3899 | key->type == HCI_LK_UNAUTH_COMBINATION_P256) && | |
807deac2 | 3900 | conn->auth_type != 0xff && (conn->auth_type & 0x01)) { |
60b83f57 WR |
3901 | BT_DBG("%s ignoring unauthenticated key", hdev->name); |
3902 | goto not_found; | |
3903 | } | |
55ed8ca1 | 3904 | |
60b83f57 | 3905 | if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && |
f3fb0b58 JH |
3906 | (conn->pending_sec_level == BT_SECURITY_HIGH || |
3907 | conn->pending_sec_level == BT_SECURITY_FIPS)) { | |
8fc9ced3 GP |
3908 | BT_DBG("%s ignoring key unauthenticated for high security", |
3909 | hdev->name); | |
60b83f57 WR |
3910 | goto not_found; |
3911 | } | |
3912 | ||
cb6f3f7a | 3913 | conn_set_key(conn, key->type, key->pin_len); |
55ed8ca1 JH |
3914 | } |
3915 | ||
3916 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9b3b4460 | 3917 | memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); |
55ed8ca1 JH |
3918 | |
3919 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); | |
3920 | ||
3921 | hci_dev_unlock(hdev); | |
3922 | ||
3923 | return; | |
3924 | ||
3925 | not_found: | |
3926 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); | |
3927 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3928 | } |
3929 | ||
6039aa73 | 3930 | static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3931 | { |
052b30b0 MH |
3932 | struct hci_ev_link_key_notify *ev = (void *) skb->data; |
3933 | struct hci_conn *conn; | |
7652ff6a JH |
3934 | struct link_key *key; |
3935 | bool persistent; | |
55ed8ca1 | 3936 | u8 pin_len = 0; |
052b30b0 | 3937 | |
a9de9248 | 3938 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3939 | |
3940 | hci_dev_lock(hdev); | |
3941 | ||
3942 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
82c13d42 JH |
3943 | if (!conn) |
3944 | goto unlock; | |
3945 | ||
3946 | hci_conn_hold(conn); | |
3947 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
3948 | hci_conn_drop(conn); | |
3949 | ||
fe8bc5ac | 3950 | set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
82c13d42 | 3951 | conn_set_key(conn, ev->key_type, conn->pin_length); |
052b30b0 | 3952 | |
d7a5a11d | 3953 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7652ff6a JH |
3954 | goto unlock; |
3955 | ||
3956 | key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key, | |
3957 | ev->key_type, pin_len, &persistent); | |
3958 | if (!key) | |
3959 | goto unlock; | |
3960 | ||
cb6f3f7a JH |
3961 | /* Update connection information since adding the key will have |
3962 | * fixed up the type in the case of changed combination keys. | |
3963 | */ | |
3964 | if (ev->key_type == HCI_LK_CHANGED_COMBINATION) | |
3965 | conn_set_key(conn, key->type, key->pin_len); | |
3966 | ||
7652ff6a | 3967 | mgmt_new_link_key(hdev, key, persistent); |
55ed8ca1 | 3968 | |
6d5650c4 JH |
3969 | /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag |
3970 | * is set. If it's not set simply remove the key from the kernel | |
3971 | * list (we've still notified user space about it but with | |
3972 | * store_hint being 0). | |
3973 | */ | |
3974 | if (key->type == HCI_LK_DEBUG_COMBINATION && | |
d7a5a11d | 3975 | !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) { |
0378b597 JH |
3976 | list_del_rcu(&key->list); |
3977 | kfree_rcu(key, rcu); | |
82c13d42 | 3978 | goto unlock; |
6d5650c4 | 3979 | } |
7652ff6a | 3980 | |
82c13d42 JH |
3981 | if (persistent) |
3982 | clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3983 | else | |
3984 | set_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3985 | ||
7652ff6a | 3986 | unlock: |
052b30b0 | 3987 | hci_dev_unlock(hdev); |
a9de9248 MH |
3988 | } |
3989 | ||
6039aa73 | 3990 | static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 3991 | { |
a9de9248 | 3992 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
04837f64 | 3993 | struct hci_conn *conn; |
1da177e4 | 3994 | |
9f1db00c | 3995 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3996 | |
3997 | hci_dev_lock(hdev); | |
3998 | ||
04837f64 | 3999 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
4000 | if (conn && !ev->status) { |
4001 | struct inquiry_entry *ie; | |
4002 | ||
cc11b9c1 AE |
4003 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
4004 | if (ie) { | |
1da177e4 LT |
4005 | ie->data.clock_offset = ev->clock_offset; |
4006 | ie->timestamp = jiffies; | |
4007 | } | |
4008 | } | |
4009 | ||
4010 | hci_dev_unlock(hdev); | |
4011 | } | |
4012 | ||
6039aa73 | 4013 | static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a8746417 MH |
4014 | { |
4015 | struct hci_ev_pkt_type_change *ev = (void *) skb->data; | |
4016 | struct hci_conn *conn; | |
4017 | ||
9f1db00c | 4018 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a8746417 MH |
4019 | |
4020 | hci_dev_lock(hdev); | |
4021 | ||
4022 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4023 | if (conn && !ev->status) | |
4024 | conn->pkt_type = __le16_to_cpu(ev->pkt_type); | |
4025 | ||
4026 | hci_dev_unlock(hdev); | |
4027 | } | |
4028 | ||
6039aa73 | 4029 | static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
85a1e930 | 4030 | { |
a9de9248 | 4031 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
85a1e930 MH |
4032 | struct inquiry_entry *ie; |
4033 | ||
4034 | BT_DBG("%s", hdev->name); | |
4035 | ||
4036 | hci_dev_lock(hdev); | |
4037 | ||
cc11b9c1 AE |
4038 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4039 | if (ie) { | |
85a1e930 MH |
4040 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
4041 | ie->timestamp = jiffies; | |
4042 | } | |
4043 | ||
4044 | hci_dev_unlock(hdev); | |
4045 | } | |
4046 | ||
6039aa73 GP |
4047 | static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, |
4048 | struct sk_buff *skb) | |
a9de9248 MH |
4049 | { |
4050 | struct inquiry_data data; | |
4051 | int num_rsp = *((__u8 *) skb->data); | |
4052 | ||
4053 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
4054 | ||
4055 | if (!num_rsp) | |
4056 | return; | |
4057 | ||
d7a5a11d | 4058 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
4059 | return; |
4060 | ||
a9de9248 MH |
4061 | hci_dev_lock(hdev); |
4062 | ||
4063 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
138d22ef SJ |
4064 | struct inquiry_info_with_rssi_and_pscan_mode *info; |
4065 | info = (void *) (skb->data + 1); | |
a9de9248 | 4066 | |
e17acd40 | 4067 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4068 | u32 flags; |
4069 | ||
a9de9248 MH |
4070 | bacpy(&data.bdaddr, &info->bdaddr); |
4071 | data.pscan_rep_mode = info->pscan_rep_mode; | |
4072 | data.pscan_period_mode = info->pscan_period_mode; | |
4073 | data.pscan_mode = info->pscan_mode; | |
4074 | memcpy(data.dev_class, info->dev_class, 3); | |
4075 | data.clock_offset = info->clock_offset; | |
4076 | data.rssi = info->rssi; | |
41a96212 | 4077 | data.ssp_mode = 0x00; |
3175405b | 4078 | |
af58925c MH |
4079 | flags = hci_inquiry_cache_update(hdev, &data, false); |
4080 | ||
48264f06 | 4081 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 4082 | info->dev_class, info->rssi, |
af58925c | 4083 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
4084 | } |
4085 | } else { | |
4086 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); | |
4087 | ||
e17acd40 | 4088 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4089 | u32 flags; |
4090 | ||
a9de9248 MH |
4091 | bacpy(&data.bdaddr, &info->bdaddr); |
4092 | data.pscan_rep_mode = info->pscan_rep_mode; | |
4093 | data.pscan_period_mode = info->pscan_period_mode; | |
4094 | data.pscan_mode = 0x00; | |
4095 | memcpy(data.dev_class, info->dev_class, 3); | |
4096 | data.clock_offset = info->clock_offset; | |
4097 | data.rssi = info->rssi; | |
41a96212 | 4098 | data.ssp_mode = 0x00; |
af58925c MH |
4099 | |
4100 | flags = hci_inquiry_cache_update(hdev, &data, false); | |
4101 | ||
48264f06 | 4102 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 4103 | info->dev_class, info->rssi, |
af58925c | 4104 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
4105 | } |
4106 | } | |
4107 | ||
4108 | hci_dev_unlock(hdev); | |
4109 | } | |
4110 | ||
6039aa73 GP |
4111 | static void hci_remote_ext_features_evt(struct hci_dev *hdev, |
4112 | struct sk_buff *skb) | |
a9de9248 | 4113 | { |
41a96212 MH |
4114 | struct hci_ev_remote_ext_features *ev = (void *) skb->data; |
4115 | struct hci_conn *conn; | |
4116 | ||
a9de9248 | 4117 | BT_DBG("%s", hdev->name); |
41a96212 | 4118 | |
41a96212 MH |
4119 | hci_dev_lock(hdev); |
4120 | ||
4121 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
4122 | if (!conn) |
4123 | goto unlock; | |
41a96212 | 4124 | |
cad718ed JH |
4125 | if (ev->page < HCI_MAX_PAGES) |
4126 | memcpy(conn->features[ev->page], ev->features, 8); | |
4127 | ||
ccd556fe JH |
4128 | if (!ev->status && ev->page == 0x01) { |
4129 | struct inquiry_entry *ie; | |
41a96212 | 4130 | |
cc11b9c1 AE |
4131 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
4132 | if (ie) | |
02b7cc62 | 4133 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
769be974 | 4134 | |
bbb0eada | 4135 | if (ev->features[0] & LMP_HOST_SSP) { |
58a681ef | 4136 | set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
bbb0eada JK |
4137 | } else { |
4138 | /* It is mandatory by the Bluetooth specification that | |
4139 | * Extended Inquiry Results are only used when Secure | |
4140 | * Simple Pairing is enabled, but some devices violate | |
4141 | * this. | |
4142 | * | |
4143 | * To make these devices work, the internal SSP | |
4144 | * enabled flag needs to be cleared if the remote host | |
4145 | * features do not indicate SSP support */ | |
4146 | clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
4147 | } | |
eb9a8f3f MH |
4148 | |
4149 | if (ev->features[0] & LMP_HOST_SC) | |
4150 | set_bit(HCI_CONN_SC_ENABLED, &conn->flags); | |
ccd556fe JH |
4151 | } |
4152 | ||
4153 | if (conn->state != BT_CONFIG) | |
4154 | goto unlock; | |
4155 | ||
671267bf | 4156 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
4157 | struct hci_cp_remote_name_req cp; |
4158 | memset(&cp, 0, sizeof(cp)); | |
4159 | bacpy(&cp.bdaddr, &conn->dst); | |
4160 | cp.pscan_rep_mode = 0x02; | |
4161 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 4162 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 4163 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 4164 | |
127178d2 | 4165 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 4166 | conn->state = BT_CONNECTED; |
539c496d | 4167 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 4168 | hci_conn_drop(conn); |
41a96212 MH |
4169 | } |
4170 | ||
ccd556fe | 4171 | unlock: |
41a96212 | 4172 | hci_dev_unlock(hdev); |
a9de9248 MH |
4173 | } |
4174 | ||
6039aa73 GP |
4175 | static void hci_sync_conn_complete_evt(struct hci_dev *hdev, |
4176 | struct sk_buff *skb) | |
a9de9248 | 4177 | { |
b6a0dc82 MH |
4178 | struct hci_ev_sync_conn_complete *ev = (void *) skb->data; |
4179 | struct hci_conn *conn; | |
4180 | ||
9f1db00c | 4181 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
b6a0dc82 MH |
4182 | |
4183 | hci_dev_lock(hdev); | |
4184 | ||
4185 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9dc0a3af MH |
4186 | if (!conn) { |
4187 | if (ev->link_type == ESCO_LINK) | |
4188 | goto unlock; | |
4189 | ||
618353b1 KP |
4190 | /* When the link type in the event indicates SCO connection |
4191 | * and lookup of the connection object fails, then check | |
4192 | * if an eSCO connection object exists. | |
4193 | * | |
4194 | * The core limits the synchronous connections to either | |
4195 | * SCO or eSCO. The eSCO connection is preferred and tried | |
4196 | * to be setup first and until successfully established, | |
4197 | * the link type will be hinted as eSCO. | |
4198 | */ | |
9dc0a3af MH |
4199 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); |
4200 | if (!conn) | |
4201 | goto unlock; | |
9dc0a3af | 4202 | } |
b6a0dc82 | 4203 | |
732547f9 MH |
4204 | switch (ev->status) { |
4205 | case 0x00: | |
b6a0dc82 MH |
4206 | conn->handle = __le16_to_cpu(ev->handle); |
4207 | conn->state = BT_CONNECTED; | |
618353b1 | 4208 | conn->type = ev->link_type; |
7d0db0a3 | 4209 | |
23b9ceb7 | 4210 | hci_debugfs_create_conn(conn); |
7d0db0a3 | 4211 | hci_conn_add_sysfs(conn); |
732547f9 MH |
4212 | break; |
4213 | ||
81218d20 | 4214 | case 0x10: /* Connection Accept Timeout */ |
1a4c958c | 4215 | case 0x0d: /* Connection Rejected due to Limited Resources */ |
705e5711 | 4216 | case 0x11: /* Unsupported Feature or Parameter Value */ |
732547f9 | 4217 | case 0x1c: /* SCO interval rejected */ |
1038a00b | 4218 | case 0x1a: /* Unsupported Remote Feature */ |
732547f9 | 4219 | case 0x1f: /* Unspecified error */ |
27539bc4 | 4220 | case 0x20: /* Unsupported LMP Parameter value */ |
2dea632f | 4221 | if (conn->out) { |
732547f9 MH |
4222 | conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
4223 | (hdev->esco_type & EDR_ESCO_MASK); | |
2dea632f FD |
4224 | if (hci_setup_sync(conn, conn->link->handle)) |
4225 | goto unlock; | |
732547f9 MH |
4226 | } |
4227 | /* fall through */ | |
4228 | ||
4229 | default: | |
b6a0dc82 | 4230 | conn->state = BT_CLOSED; |
732547f9 MH |
4231 | break; |
4232 | } | |
b6a0dc82 | 4233 | |
539c496d | 4234 | hci_connect_cfm(conn, ev->status); |
b6a0dc82 MH |
4235 | if (ev->status) |
4236 | hci_conn_del(conn); | |
4237 | ||
4238 | unlock: | |
4239 | hci_dev_unlock(hdev); | |
a9de9248 MH |
4240 | } |
4241 | ||
efdcf8e3 MH |
4242 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
4243 | { | |
4244 | size_t parsed = 0; | |
4245 | ||
4246 | while (parsed < eir_len) { | |
4247 | u8 field_len = eir[0]; | |
4248 | ||
4249 | if (field_len == 0) | |
4250 | return parsed; | |
4251 | ||
4252 | parsed += field_len + 1; | |
4253 | eir += field_len + 1; | |
4254 | } | |
4255 | ||
4256 | return eir_len; | |
4257 | } | |
4258 | ||
6039aa73 GP |
4259 | static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, |
4260 | struct sk_buff *skb) | |
1da177e4 | 4261 | { |
a9de9248 MH |
4262 | struct inquiry_data data; |
4263 | struct extended_inquiry_info *info = (void *) (skb->data + 1); | |
4264 | int num_rsp = *((__u8 *) skb->data); | |
9d939d94 | 4265 | size_t eir_len; |
1da177e4 | 4266 | |
a9de9248 | 4267 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
1da177e4 | 4268 | |
a9de9248 MH |
4269 | if (!num_rsp) |
4270 | return; | |
1da177e4 | 4271 | |
d7a5a11d | 4272 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
4273 | return; |
4274 | ||
a9de9248 MH |
4275 | hci_dev_lock(hdev); |
4276 | ||
e17acd40 | 4277 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4278 | u32 flags; |
4279 | bool name_known; | |
561aafbc | 4280 | |
a9de9248 | 4281 | bacpy(&data.bdaddr, &info->bdaddr); |
138d22ef SJ |
4282 | data.pscan_rep_mode = info->pscan_rep_mode; |
4283 | data.pscan_period_mode = info->pscan_period_mode; | |
4284 | data.pscan_mode = 0x00; | |
a9de9248 | 4285 | memcpy(data.dev_class, info->dev_class, 3); |
138d22ef SJ |
4286 | data.clock_offset = info->clock_offset; |
4287 | data.rssi = info->rssi; | |
41a96212 | 4288 | data.ssp_mode = 0x01; |
561aafbc | 4289 | |
d7a5a11d | 4290 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
0d3b7f64 JH |
4291 | name_known = eir_get_data(info->data, |
4292 | sizeof(info->data), | |
4293 | EIR_NAME_COMPLETE, NULL); | |
561aafbc JH |
4294 | else |
4295 | name_known = true; | |
4296 | ||
af58925c MH |
4297 | flags = hci_inquiry_cache_update(hdev, &data, name_known); |
4298 | ||
9d939d94 | 4299 | eir_len = eir_get_length(info->data, sizeof(info->data)); |
af58925c | 4300 | |
48264f06 | 4301 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
af58925c MH |
4302 | info->dev_class, info->rssi, |
4303 | flags, info->data, eir_len, NULL, 0); | |
a9de9248 MH |
4304 | } |
4305 | ||
4306 | hci_dev_unlock(hdev); | |
4307 | } | |
1da177e4 | 4308 | |
1c2e0041 JH |
4309 | static void hci_key_refresh_complete_evt(struct hci_dev *hdev, |
4310 | struct sk_buff *skb) | |
4311 | { | |
4312 | struct hci_ev_key_refresh_complete *ev = (void *) skb->data; | |
4313 | struct hci_conn *conn; | |
4314 | ||
9f1db00c | 4315 | BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, |
1c2e0041 JH |
4316 | __le16_to_cpu(ev->handle)); |
4317 | ||
4318 | hci_dev_lock(hdev); | |
4319 | ||
4320 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4321 | if (!conn) | |
4322 | goto unlock; | |
4323 | ||
9eb1fbfa JH |
4324 | /* For BR/EDR the necessary steps are taken through the |
4325 | * auth_complete event. | |
4326 | */ | |
4327 | if (conn->type != LE_LINK) | |
4328 | goto unlock; | |
4329 | ||
1c2e0041 JH |
4330 | if (!ev->status) |
4331 | conn->sec_level = conn->pending_sec_level; | |
4332 | ||
4333 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); | |
4334 | ||
4335 | if (ev->status && conn->state == BT_CONNECTED) { | |
bed71748 | 4336 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
76a68ba0 | 4337 | hci_conn_drop(conn); |
1c2e0041 JH |
4338 | goto unlock; |
4339 | } | |
4340 | ||
4341 | if (conn->state == BT_CONFIG) { | |
4342 | if (!ev->status) | |
4343 | conn->state = BT_CONNECTED; | |
4344 | ||
539c496d | 4345 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 4346 | hci_conn_drop(conn); |
1c2e0041 JH |
4347 | } else { |
4348 | hci_auth_cfm(conn, ev->status); | |
4349 | ||
4350 | hci_conn_hold(conn); | |
4351 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 4352 | hci_conn_drop(conn); |
1c2e0041 JH |
4353 | } |
4354 | ||
4355 | unlock: | |
4356 | hci_dev_unlock(hdev); | |
4357 | } | |
4358 | ||
6039aa73 | 4359 | static u8 hci_get_auth_req(struct hci_conn *conn) |
17fa4b9d | 4360 | { |
17fa4b9d | 4361 | /* If remote requests no-bonding follow that lead */ |
acabae96 MA |
4362 | if (conn->remote_auth == HCI_AT_NO_BONDING || |
4363 | conn->remote_auth == HCI_AT_NO_BONDING_MITM) | |
58797bf7 | 4364 | return conn->remote_auth | (conn->auth_type & 0x01); |
17fa4b9d | 4365 | |
b7f94c88 MA |
4366 | /* If both remote and local have enough IO capabilities, require |
4367 | * MITM protection | |
4368 | */ | |
4369 | if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT && | |
4370 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) | |
4371 | return conn->remote_auth | 0x01; | |
4372 | ||
7e74170a TM |
4373 | /* No MITM protection possible so ignore remote requirement */ |
4374 | return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); | |
17fa4b9d JH |
4375 | } |
4376 | ||
a83ed81e MH |
4377 | static u8 bredr_oob_data_present(struct hci_conn *conn) |
4378 | { | |
4379 | struct hci_dev *hdev = conn->hdev; | |
4380 | struct oob_data *data; | |
4381 | ||
4382 | data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR); | |
4383 | if (!data) | |
4384 | return 0x00; | |
4385 | ||
455c2ff0 MH |
4386 | if (bredr_sc_enabled(hdev)) { |
4387 | /* When Secure Connections is enabled, then just | |
4388 | * return the present value stored with the OOB | |
4389 | * data. The stored value contains the right present | |
4390 | * information. However it can only be trusted when | |
4391 | * not in Secure Connection Only mode. | |
4392 | */ | |
4393 | if (!hci_dev_test_flag(hdev, HCI_SC_ONLY)) | |
4394 | return data->present; | |
659c7fb0 | 4395 | |
455c2ff0 MH |
4396 | /* When Secure Connections Only mode is enabled, then |
4397 | * the P-256 values are required. If they are not | |
4398 | * available, then do not declare that OOB data is | |
4399 | * present. | |
659c7fb0 | 4400 | */ |
455c2ff0 MH |
4401 | if (!memcmp(data->rand256, ZERO_KEY, 16) || |
4402 | !memcmp(data->hash256, ZERO_KEY, 16)) | |
659c7fb0 MH |
4403 | return 0x00; |
4404 | ||
455c2ff0 | 4405 | return 0x02; |
659c7fb0 | 4406 | } |
a83ed81e | 4407 | |
455c2ff0 MH |
4408 | /* When Secure Connections is not enabled or actually |
4409 | * not supported by the hardware, then check that if | |
4410 | * P-192 data values are present. | |
4411 | */ | |
4412 | if (!memcmp(data->rand192, ZERO_KEY, 16) || | |
4413 | !memcmp(data->hash192, ZERO_KEY, 16)) | |
4414 | return 0x00; | |
4415 | ||
4416 | return 0x01; | |
a83ed81e MH |
4417 | } |
4418 | ||
6039aa73 | 4419 | static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
0493684e MH |
4420 | { |
4421 | struct hci_ev_io_capa_request *ev = (void *) skb->data; | |
4422 | struct hci_conn *conn; | |
4423 | ||
4424 | BT_DBG("%s", hdev->name); | |
4425 | ||
4426 | hci_dev_lock(hdev); | |
4427 | ||
4428 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
03b555e1 JH |
4429 | if (!conn) |
4430 | goto unlock; | |
4431 | ||
4432 | hci_conn_hold(conn); | |
4433 | ||
d7a5a11d | 4434 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
03b555e1 JH |
4435 | goto unlock; |
4436 | ||
2f407f0a JH |
4437 | /* Allow pairing if we're pairable, the initiators of the |
4438 | * pairing or if the remote is not requesting bonding. | |
4439 | */ | |
d7a5a11d | 4440 | if (hci_dev_test_flag(hdev, HCI_BONDABLE) || |
2f407f0a | 4441 | test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) || |
807deac2 | 4442 | (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { |
17fa4b9d JH |
4443 | struct hci_cp_io_capability_reply cp; |
4444 | ||
4445 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
7a7f1e7c HG |
4446 | /* Change the IO capability from KeyboardDisplay |
4447 | * to DisplayYesNo as it is not supported by BT spec. */ | |
4448 | cp.capability = (conn->io_capability == 0x04) ? | |
a767631a | 4449 | HCI_IO_DISPLAY_YESNO : conn->io_capability; |
b7f94c88 MA |
4450 | |
4451 | /* If we are initiators, there is no remote information yet */ | |
4452 | if (conn->remote_auth == 0xff) { | |
b16c6604 | 4453 | /* Request MITM protection if our IO caps allow it |
4ad51a75 | 4454 | * except for the no-bonding case. |
b16c6604 | 4455 | */ |
6fd6b915 | 4456 | if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
9f743d74 | 4457 | conn->auth_type != HCI_AT_NO_BONDING) |
6c53823a | 4458 | conn->auth_type |= 0x01; |
b7f94c88 MA |
4459 | } else { |
4460 | conn->auth_type = hci_get_auth_req(conn); | |
b7f94c88 | 4461 | } |
17fa4b9d | 4462 | |
82c295b1 JH |
4463 | /* If we're not bondable, force one of the non-bondable |
4464 | * authentication requirement values. | |
4465 | */ | |
d7a5a11d | 4466 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE)) |
82c295b1 JH |
4467 | conn->auth_type &= HCI_AT_NO_BONDING_MITM; |
4468 | ||
4469 | cp.authentication = conn->auth_type; | |
a83ed81e | 4470 | cp.oob_data = bredr_oob_data_present(conn); |
ce85ee13 | 4471 | |
17fa4b9d | 4472 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, |
807deac2 | 4473 | sizeof(cp), &cp); |
03b555e1 JH |
4474 | } else { |
4475 | struct hci_cp_io_capability_neg_reply cp; | |
4476 | ||
4477 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9f5a0d7b | 4478 | cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; |
0493684e | 4479 | |
03b555e1 | 4480 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, |
807deac2 | 4481 | sizeof(cp), &cp); |
03b555e1 JH |
4482 | } |
4483 | ||
4484 | unlock: | |
4485 | hci_dev_unlock(hdev); | |
4486 | } | |
4487 | ||
6039aa73 | 4488 | static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) |
03b555e1 JH |
4489 | { |
4490 | struct hci_ev_io_capa_reply *ev = (void *) skb->data; | |
4491 | struct hci_conn *conn; | |
4492 | ||
4493 | BT_DBG("%s", hdev->name); | |
4494 | ||
4495 | hci_dev_lock(hdev); | |
4496 | ||
4497 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4498 | if (!conn) | |
4499 | goto unlock; | |
4500 | ||
03b555e1 | 4501 | conn->remote_cap = ev->capability; |
03b555e1 JH |
4502 | conn->remote_auth = ev->authentication; |
4503 | ||
4504 | unlock: | |
0493684e MH |
4505 | hci_dev_unlock(hdev); |
4506 | } | |
4507 | ||
6039aa73 GP |
4508 | static void hci_user_confirm_request_evt(struct hci_dev *hdev, |
4509 | struct sk_buff *skb) | |
a5c29683 JH |
4510 | { |
4511 | struct hci_ev_user_confirm_req *ev = (void *) skb->data; | |
55bc1a37 | 4512 | int loc_mitm, rem_mitm, confirm_hint = 0; |
7a828908 | 4513 | struct hci_conn *conn; |
a5c29683 JH |
4514 | |
4515 | BT_DBG("%s", hdev->name); | |
4516 | ||
4517 | hci_dev_lock(hdev); | |
4518 | ||
d7a5a11d | 4519 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7a828908 | 4520 | goto unlock; |
a5c29683 | 4521 | |
7a828908 JH |
4522 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4523 | if (!conn) | |
4524 | goto unlock; | |
4525 | ||
4526 | loc_mitm = (conn->auth_type & 0x01); | |
4527 | rem_mitm = (conn->remote_auth & 0x01); | |
4528 | ||
4529 | /* If we require MITM but the remote device can't provide that | |
6c53823a JH |
4530 | * (it has NoInputNoOutput) then reject the confirmation |
4531 | * request. We check the security level here since it doesn't | |
4532 | * necessarily match conn->auth_type. | |
6fd6b915 | 4533 | */ |
6c53823a JH |
4534 | if (conn->pending_sec_level > BT_SECURITY_MEDIUM && |
4535 | conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { | |
7a828908 JH |
4536 | BT_DBG("Rejecting request: remote device can't provide MITM"); |
4537 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, | |
807deac2 | 4538 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4539 | goto unlock; |
4540 | } | |
4541 | ||
4542 | /* If no side requires MITM protection; auto-accept */ | |
a767631a MA |
4543 | if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && |
4544 | (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { | |
55bc1a37 JH |
4545 | |
4546 | /* If we're not the initiators request authorization to | |
4547 | * proceed from user space (mgmt_user_confirm with | |
ba15a58b | 4548 | * confirm_hint set to 1). The exception is if neither |
02f3e254 JH |
4549 | * side had MITM or if the local IO capability is |
4550 | * NoInputNoOutput, in which case we do auto-accept | |
ba15a58b JH |
4551 | */ |
4552 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && | |
02f3e254 | 4553 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
ba15a58b | 4554 | (loc_mitm || rem_mitm)) { |
55bc1a37 JH |
4555 | BT_DBG("Confirming auto-accept as acceptor"); |
4556 | confirm_hint = 1; | |
4557 | goto confirm; | |
4558 | } | |
4559 | ||
9f61656a | 4560 | BT_DBG("Auto-accept of user confirmation with %ums delay", |
807deac2 | 4561 | hdev->auto_accept_delay); |
9f61656a JH |
4562 | |
4563 | if (hdev->auto_accept_delay > 0) { | |
4564 | int delay = msecs_to_jiffies(hdev->auto_accept_delay); | |
7bc18d9d JH |
4565 | queue_delayed_work(conn->hdev->workqueue, |
4566 | &conn->auto_accept_work, delay); | |
9f61656a JH |
4567 | goto unlock; |
4568 | } | |
4569 | ||
7a828908 | 4570 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, |
807deac2 | 4571 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4572 | goto unlock; |
4573 | } | |
4574 | ||
55bc1a37 | 4575 | confirm: |
39adbffe JH |
4576 | mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, |
4577 | le32_to_cpu(ev->passkey), confirm_hint); | |
7a828908 JH |
4578 | |
4579 | unlock: | |
a5c29683 JH |
4580 | hci_dev_unlock(hdev); |
4581 | } | |
4582 | ||
6039aa73 GP |
4583 | static void hci_user_passkey_request_evt(struct hci_dev *hdev, |
4584 | struct sk_buff *skb) | |
1143d458 BG |
4585 | { |
4586 | struct hci_ev_user_passkey_req *ev = (void *) skb->data; | |
4587 | ||
4588 | BT_DBG("%s", hdev->name); | |
4589 | ||
d7a5a11d | 4590 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 4591 | mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); |
1143d458 BG |
4592 | } |
4593 | ||
92a25256 JH |
4594 | static void hci_user_passkey_notify_evt(struct hci_dev *hdev, |
4595 | struct sk_buff *skb) | |
4596 | { | |
4597 | struct hci_ev_user_passkey_notify *ev = (void *) skb->data; | |
4598 | struct hci_conn *conn; | |
4599 | ||
4600 | BT_DBG("%s", hdev->name); | |
4601 | ||
4602 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4603 | if (!conn) | |
4604 | return; | |
4605 | ||
4606 | conn->passkey_notify = __le32_to_cpu(ev->passkey); | |
4607 | conn->passkey_entered = 0; | |
4608 | ||
d7a5a11d | 4609 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4610 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4611 | conn->dst_type, conn->passkey_notify, | |
4612 | conn->passkey_entered); | |
4613 | } | |
4614 | ||
4615 | static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4616 | { | |
4617 | struct hci_ev_keypress_notify *ev = (void *) skb->data; | |
4618 | struct hci_conn *conn; | |
4619 | ||
4620 | BT_DBG("%s", hdev->name); | |
4621 | ||
4622 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4623 | if (!conn) | |
4624 | return; | |
4625 | ||
4626 | switch (ev->type) { | |
4627 | case HCI_KEYPRESS_STARTED: | |
4628 | conn->passkey_entered = 0; | |
4629 | return; | |
4630 | ||
4631 | case HCI_KEYPRESS_ENTERED: | |
4632 | conn->passkey_entered++; | |
4633 | break; | |
4634 | ||
4635 | case HCI_KEYPRESS_ERASED: | |
4636 | conn->passkey_entered--; | |
4637 | break; | |
4638 | ||
4639 | case HCI_KEYPRESS_CLEARED: | |
4640 | conn->passkey_entered = 0; | |
4641 | break; | |
4642 | ||
4643 | case HCI_KEYPRESS_COMPLETED: | |
4644 | return; | |
4645 | } | |
4646 | ||
d7a5a11d | 4647 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4648 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4649 | conn->dst_type, conn->passkey_notify, | |
4650 | conn->passkey_entered); | |
4651 | } | |
4652 | ||
6039aa73 GP |
4653 | static void hci_simple_pair_complete_evt(struct hci_dev *hdev, |
4654 | struct sk_buff *skb) | |
0493684e MH |
4655 | { |
4656 | struct hci_ev_simple_pair_complete *ev = (void *) skb->data; | |
4657 | struct hci_conn *conn; | |
4658 | ||
4659 | BT_DBG("%s", hdev->name); | |
4660 | ||
4661 | hci_dev_lock(hdev); | |
4662 | ||
4663 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
2a611692 JH |
4664 | if (!conn) |
4665 | goto unlock; | |
4666 | ||
c1d4fa7a JH |
4667 | /* Reset the authentication requirement to unknown */ |
4668 | conn->remote_auth = 0xff; | |
4669 | ||
2a611692 JH |
4670 | /* To avoid duplicate auth_failed events to user space we check |
4671 | * the HCI_CONN_AUTH_PEND flag which will be set if we | |
4672 | * initiated the authentication. A traditional auth_complete | |
4673 | * event gets always produced as initiator and is also mapped to | |
4674 | * the mgmt_auth_failed event */ | |
fa1bd918 | 4675 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) |
e1e930f5 | 4676 | mgmt_auth_failed(conn, ev->status); |
0493684e | 4677 | |
76a68ba0 | 4678 | hci_conn_drop(conn); |
2a611692 JH |
4679 | |
4680 | unlock: | |
0493684e MH |
4681 | hci_dev_unlock(hdev); |
4682 | } | |
4683 | ||
6039aa73 GP |
4684 | static void hci_remote_host_features_evt(struct hci_dev *hdev, |
4685 | struct sk_buff *skb) | |
41a96212 MH |
4686 | { |
4687 | struct hci_ev_remote_host_features *ev = (void *) skb->data; | |
4688 | struct inquiry_entry *ie; | |
cad718ed | 4689 | struct hci_conn *conn; |
41a96212 MH |
4690 | |
4691 | BT_DBG("%s", hdev->name); | |
4692 | ||
4693 | hci_dev_lock(hdev); | |
4694 | ||
cad718ed JH |
4695 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4696 | if (conn) | |
4697 | memcpy(conn->features[1], ev->features, 8); | |
4698 | ||
cc11b9c1 AE |
4699 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4700 | if (ie) | |
02b7cc62 | 4701 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
41a96212 MH |
4702 | |
4703 | hci_dev_unlock(hdev); | |
4704 | } | |
4705 | ||
6039aa73 GP |
4706 | static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, |
4707 | struct sk_buff *skb) | |
2763eda6 SJ |
4708 | { |
4709 | struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; | |
4710 | struct oob_data *data; | |
4711 | ||
4712 | BT_DBG("%s", hdev->name); | |
4713 | ||
4714 | hci_dev_lock(hdev); | |
4715 | ||
d7a5a11d | 4716 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
e1ba1f15 SJ |
4717 | goto unlock; |
4718 | ||
6928a924 | 4719 | data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR); |
6665d057 MH |
4720 | if (!data) { |
4721 | struct hci_cp_remote_oob_data_neg_reply cp; | |
519ca9d0 | 4722 | |
6665d057 MH |
4723 | bacpy(&cp.bdaddr, &ev->bdaddr); |
4724 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, | |
4725 | sizeof(cp), &cp); | |
4726 | goto unlock; | |
4727 | } | |
2763eda6 | 4728 | |
6665d057 MH |
4729 | if (bredr_sc_enabled(hdev)) { |
4730 | struct hci_cp_remote_oob_ext_data_reply cp; | |
519ca9d0 | 4731 | |
6665d057 | 4732 | bacpy(&cp.bdaddr, &ev->bdaddr); |
d7a5a11d | 4733 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
6665d057 MH |
4734 | memset(cp.hash192, 0, sizeof(cp.hash192)); |
4735 | memset(cp.rand192, 0, sizeof(cp.rand192)); | |
4736 | } else { | |
4737 | memcpy(cp.hash192, data->hash192, sizeof(cp.hash192)); | |
4738 | memcpy(cp.rand192, data->rand192, sizeof(cp.rand192)); | |
519ca9d0 | 4739 | } |
6665d057 MH |
4740 | memcpy(cp.hash256, data->hash256, sizeof(cp.hash256)); |
4741 | memcpy(cp.rand256, data->rand256, sizeof(cp.rand256)); | |
4742 | ||
4743 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY, | |
4744 | sizeof(cp), &cp); | |
2763eda6 | 4745 | } else { |
6665d057 | 4746 | struct hci_cp_remote_oob_data_reply cp; |
2763eda6 SJ |
4747 | |
4748 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
6665d057 MH |
4749 | memcpy(cp.hash, data->hash192, sizeof(cp.hash)); |
4750 | memcpy(cp.rand, data->rand192, sizeof(cp.rand)); | |
4751 | ||
4752 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, | |
519ca9d0 | 4753 | sizeof(cp), &cp); |
2763eda6 SJ |
4754 | } |
4755 | ||
e1ba1f15 | 4756 | unlock: |
2763eda6 SJ |
4757 | hci_dev_unlock(hdev); |
4758 | } | |
4759 | ||
a77a6a14 AW |
4760 | #if IS_ENABLED(CONFIG_BT_HS) |
4761 | static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4762 | { | |
4763 | struct hci_ev_channel_selected *ev = (void *)skb->data; | |
4764 | struct hci_conn *hcon; | |
4765 | ||
4766 | BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); | |
4767 | ||
4768 | skb_pull(skb, sizeof(*ev)); | |
4769 | ||
4770 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4771 | if (!hcon) | |
4772 | return; | |
4773 | ||
4774 | amp_read_loc_assoc_final_data(hdev, hcon); | |
4775 | } | |
4776 | ||
d5e91192 AE |
4777 | static void hci_phy_link_complete_evt(struct hci_dev *hdev, |
4778 | struct sk_buff *skb) | |
4779 | { | |
4780 | struct hci_ev_phy_link_complete *ev = (void *) skb->data; | |
4781 | struct hci_conn *hcon, *bredr_hcon; | |
4782 | ||
4783 | BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, | |
4784 | ev->status); | |
4785 | ||
4786 | hci_dev_lock(hdev); | |
4787 | ||
4788 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4789 | if (!hcon) { | |
4790 | hci_dev_unlock(hdev); | |
4791 | return; | |
4792 | } | |
4793 | ||
4794 | if (ev->status) { | |
4795 | hci_conn_del(hcon); | |
4796 | hci_dev_unlock(hdev); | |
4797 | return; | |
4798 | } | |
4799 | ||
4800 | bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; | |
4801 | ||
4802 | hcon->state = BT_CONNECTED; | |
4803 | bacpy(&hcon->dst, &bredr_hcon->dst); | |
4804 | ||
4805 | hci_conn_hold(hcon); | |
4806 | hcon->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 4807 | hci_conn_drop(hcon); |
d5e91192 | 4808 | |
23b9ceb7 | 4809 | hci_debugfs_create_conn(hcon); |
d5e91192 AE |
4810 | hci_conn_add_sysfs(hcon); |
4811 | ||
cf70ff22 | 4812 | amp_physical_cfm(bredr_hcon, hcon); |
d5e91192 | 4813 | |
cf70ff22 | 4814 | hci_dev_unlock(hdev); |
d5e91192 AE |
4815 | } |
4816 | ||
27695fb4 AE |
4817 | static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
4818 | { | |
4819 | struct hci_ev_logical_link_complete *ev = (void *) skb->data; | |
4820 | struct hci_conn *hcon; | |
4821 | struct hci_chan *hchan; | |
4822 | struct amp_mgr *mgr; | |
4823 | ||
4824 | BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", | |
4825 | hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, | |
4826 | ev->status); | |
4827 | ||
4828 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4829 | if (!hcon) | |
4830 | return; | |
4831 | ||
4832 | /* Create AMP hchan */ | |
4833 | hchan = hci_chan_create(hcon); | |
4834 | if (!hchan) | |
4835 | return; | |
4836 | ||
4837 | hchan->handle = le16_to_cpu(ev->handle); | |
4838 | ||
4839 | BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); | |
4840 | ||
4841 | mgr = hcon->amp_mgr; | |
4842 | if (mgr && mgr->bredr_chan) { | |
4843 | struct l2cap_chan *bredr_chan = mgr->bredr_chan; | |
4844 | ||
4845 | l2cap_chan_lock(bredr_chan); | |
4846 | ||
4847 | bredr_chan->conn->mtu = hdev->block_mtu; | |
4848 | l2cap_logical_cfm(bredr_chan, hchan, 0); | |
4849 | hci_conn_hold(hcon); | |
4850 | ||
4851 | l2cap_chan_unlock(bredr_chan); | |
4852 | } | |
4853 | } | |
4854 | ||
606e2a10 AE |
4855 | static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, |
4856 | struct sk_buff *skb) | |
4857 | { | |
4858 | struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; | |
4859 | struct hci_chan *hchan; | |
4860 | ||
4861 | BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, | |
4862 | le16_to_cpu(ev->handle), ev->status); | |
4863 | ||
4864 | if (ev->status) | |
4865 | return; | |
4866 | ||
4867 | hci_dev_lock(hdev); | |
4868 | ||
4869 | hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); | |
4870 | if (!hchan) | |
4871 | goto unlock; | |
4872 | ||
4873 | amp_destroy_logical_link(hchan, ev->reason); | |
4874 | ||
4875 | unlock: | |
4876 | hci_dev_unlock(hdev); | |
4877 | } | |
4878 | ||
9eef6b3a AE |
4879 | static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, |
4880 | struct sk_buff *skb) | |
4881 | { | |
4882 | struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; | |
4883 | struct hci_conn *hcon; | |
4884 | ||
4885 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4886 | ||
4887 | if (ev->status) | |
4888 | return; | |
4889 | ||
4890 | hci_dev_lock(hdev); | |
4891 | ||
4892 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4893 | if (hcon) { | |
4894 | hcon->state = BT_CLOSED; | |
4895 | hci_conn_del(hcon); | |
4896 | } | |
4897 | ||
4898 | hci_dev_unlock(hdev); | |
4899 | } | |
a77a6a14 | 4900 | #endif |
9eef6b3a | 4901 | |
d12fb056 JK |
4902 | static void le_conn_complete_evt(struct hci_dev *hdev, u8 status, |
4903 | bdaddr_t *bdaddr, u8 bdaddr_type, u8 role, u16 handle, | |
4904 | u16 interval, u16 latency, u16 supervision_timeout) | |
fcd89c09 | 4905 | { |
912b42ef | 4906 | struct hci_conn_params *params; |
fcd89c09 | 4907 | struct hci_conn *conn; |
68d6f6de | 4908 | struct smp_irk *irk; |
837d502e | 4909 | u8 addr_type; |
fcd89c09 | 4910 | |
fcd89c09 VT |
4911 | hci_dev_lock(hdev); |
4912 | ||
fbd96c15 JH |
4913 | /* All controllers implicitly stop advertising in the event of a |
4914 | * connection, so ensure that the state bit is cleared. | |
4915 | */ | |
a358dc11 | 4916 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
fbd96c15 | 4917 | |
e7d9ab73 | 4918 | conn = hci_lookup_le_connect(hdev); |
b62f328b | 4919 | if (!conn) { |
d12fb056 | 4920 | conn = hci_conn_add(hdev, LE_LINK, bdaddr, role); |
b62f328b | 4921 | if (!conn) { |
2064ee33 | 4922 | bt_dev_err(hdev, "no memory for new connection"); |
230fd16a | 4923 | goto unlock; |
b62f328b | 4924 | } |
29b7988a | 4925 | |
d12fb056 | 4926 | conn->dst_type = bdaddr_type; |
b9b343d2 | 4927 | |
cb1d68f7 JH |
4928 | /* If we didn't have a hci_conn object previously |
4929 | * but we're in master role this must be something | |
4930 | * initiated using a white list. Since white list based | |
4931 | * connections are not "first class citizens" we don't | |
4932 | * have full tracking of them. Therefore, we go ahead | |
4933 | * with a "best effort" approach of determining the | |
4934 | * initiator address based on the HCI_PRIVACY flag. | |
4935 | */ | |
4936 | if (conn->out) { | |
d12fb056 JK |
4937 | conn->resp_addr_type = bdaddr_type; |
4938 | bacpy(&conn->resp_addr, bdaddr); | |
d7a5a11d | 4939 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
cb1d68f7 JH |
4940 | conn->init_addr_type = ADDR_LE_DEV_RANDOM; |
4941 | bacpy(&conn->init_addr, &hdev->rpa); | |
4942 | } else { | |
4943 | hci_copy_identity_address(hdev, | |
4944 | &conn->init_addr, | |
4945 | &conn->init_addr_type); | |
4946 | } | |
cb1d68f7 | 4947 | } |
9489eca4 JH |
4948 | } else { |
4949 | cancel_delayed_work(&conn->le_conn_timeout); | |
b62f328b | 4950 | } |
fcd89c09 | 4951 | |
80c24ab8 JH |
4952 | if (!conn->out) { |
4953 | /* Set the responder (our side) address type based on | |
4954 | * the advertising address type. | |
4955 | */ | |
4956 | conn->resp_addr_type = hdev->adv_addr_type; | |
acf0aeae JK |
4957 | if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) { |
4958 | /* In case of ext adv, resp_addr will be updated in | |
4959 | * Adv Terminated event. | |
4960 | */ | |
4961 | if (!ext_adv_capable(hdev)) | |
4962 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
4963 | } else { | |
80c24ab8 | 4964 | bacpy(&conn->resp_addr, &hdev->bdaddr); |
acf0aeae | 4965 | } |
80c24ab8 | 4966 | |
d12fb056 JK |
4967 | conn->init_addr_type = bdaddr_type; |
4968 | bacpy(&conn->init_addr, bdaddr); | |
a720d735 MH |
4969 | |
4970 | /* For incoming connections, set the default minimum | |
4971 | * and maximum connection interval. They will be used | |
4972 | * to check if the parameters are in range and if not | |
4973 | * trigger the connection update procedure. | |
4974 | */ | |
4975 | conn->le_conn_min_interval = hdev->le_conn_min_interval; | |
4976 | conn->le_conn_max_interval = hdev->le_conn_max_interval; | |
80c24ab8 | 4977 | } |
7be2edbb | 4978 | |
edb4b466 MH |
4979 | /* Lookup the identity address from the stored connection |
4980 | * address and address type. | |
4981 | * | |
4982 | * When establishing connections to an identity address, the | |
4983 | * connection procedure will store the resolvable random | |
4984 | * address first. Now if it can be converted back into the | |
4985 | * identity address, start using the identity address from | |
4986 | * now on. | |
4987 | */ | |
4988 | irk = hci_get_irk(hdev, &conn->dst, conn->dst_type); | |
68d6f6de JH |
4989 | if (irk) { |
4990 | bacpy(&conn->dst, &irk->bdaddr); | |
4991 | conn->dst_type = irk->addr_type; | |
4992 | } | |
4993 | ||
d12fb056 JK |
4994 | if (status) { |
4995 | hci_le_conn_failed(conn, status); | |
837d502e JH |
4996 | goto unlock; |
4997 | } | |
4998 | ||
08853f18 JH |
4999 | if (conn->dst_type == ADDR_LE_DEV_PUBLIC) |
5000 | addr_type = BDADDR_LE_PUBLIC; | |
5001 | else | |
5002 | addr_type = BDADDR_LE_RANDOM; | |
5003 | ||
2d3c2260 JH |
5004 | /* Drop the connection if the device is blocked */ |
5005 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) { | |
5006 | hci_conn_drop(conn); | |
cd17decb AG |
5007 | goto unlock; |
5008 | } | |
5009 | ||
b644ba33 | 5010 | if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 5011 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
83bc71b4 | 5012 | |
7b5c0d52 | 5013 | conn->sec_level = BT_SECURITY_LOW; |
d12fb056 | 5014 | conn->handle = handle; |
0fe29fd1 | 5015 | conn->state = BT_CONFIG; |
fcd89c09 | 5016 | |
d12fb056 JK |
5017 | conn->le_conn_interval = interval; |
5018 | conn->le_conn_latency = latency; | |
5019 | conn->le_supv_timeout = supervision_timeout; | |
e04fde60 | 5020 | |
23b9ceb7 | 5021 | hci_debugfs_create_conn(conn); |
fcd89c09 VT |
5022 | hci_conn_add_sysfs(conn); |
5023 | ||
d17010bf CIK |
5024 | /* The remote features procedure is defined for master |
5025 | * role only. So only in case of an initiated connection | |
5026 | * request the remote features. | |
5027 | * | |
5028 | * If the local controller supports slave-initiated features | |
5029 | * exchange, then requesting the remote features in slave | |
5030 | * role is possible. Otherwise just transition into the | |
5031 | * connected state without requesting the remote features. | |
5032 | */ | |
5033 | if (conn->out || | |
5034 | (hdev->le_features[0] & HCI_LE_SLAVE_FEATURES)) { | |
5035 | struct hci_cp_le_read_remote_features cp; | |
0fe29fd1 | 5036 | |
d17010bf | 5037 | cp.handle = __cpu_to_le16(conn->handle); |
0fe29fd1 | 5038 | |
d17010bf CIK |
5039 | hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES, |
5040 | sizeof(cp), &cp); | |
0fe29fd1 | 5041 | |
d17010bf | 5042 | hci_conn_hold(conn); |
0fe29fd1 | 5043 | } else { |
d17010bf | 5044 | conn->state = BT_CONNECTED; |
d12fb056 | 5045 | hci_connect_cfm(conn, status); |
0fe29fd1 | 5046 | } |
fcd89c09 | 5047 | |
5477610f JH |
5048 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst, |
5049 | conn->dst_type); | |
f161dd41 | 5050 | if (params) { |
95305baa | 5051 | list_del_init(¶ms->action); |
f161dd41 JH |
5052 | if (params->conn) { |
5053 | hci_conn_drop(params->conn); | |
f8aaf9b6 | 5054 | hci_conn_put(params->conn); |
f161dd41 JH |
5055 | params->conn = NULL; |
5056 | } | |
5057 | } | |
a4790dbd | 5058 | |
fcd89c09 | 5059 | unlock: |
223683a5 | 5060 | hci_update_background_scan(hdev); |
fcd89c09 VT |
5061 | hci_dev_unlock(hdev); |
5062 | } | |
5063 | ||
d12fb056 JK |
5064 | static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5065 | { | |
5066 | struct hci_ev_le_conn_complete *ev = (void *) skb->data; | |
5067 | ||
5068 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5069 | ||
5070 | le_conn_complete_evt(hdev, ev->status, &ev->bdaddr, ev->bdaddr_type, | |
5071 | ev->role, le16_to_cpu(ev->handle), | |
5072 | le16_to_cpu(ev->interval), | |
5073 | le16_to_cpu(ev->latency), | |
5074 | le16_to_cpu(ev->supervision_timeout)); | |
5075 | } | |
5076 | ||
4d94f95d JK |
5077 | static void hci_le_enh_conn_complete_evt(struct hci_dev *hdev, |
5078 | struct sk_buff *skb) | |
5079 | { | |
5080 | struct hci_ev_le_enh_conn_complete *ev = (void *) skb->data; | |
5081 | ||
5082 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5083 | ||
5084 | le_conn_complete_evt(hdev, ev->status, &ev->bdaddr, ev->bdaddr_type, | |
5085 | ev->role, le16_to_cpu(ev->handle), | |
5086 | le16_to_cpu(ev->interval), | |
5087 | le16_to_cpu(ev->latency), | |
5088 | le16_to_cpu(ev->supervision_timeout)); | |
5089 | } | |
5090 | ||
acf0aeae JK |
5091 | static void hci_le_ext_adv_term_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5092 | { | |
5093 | struct hci_evt_le_ext_adv_set_term *ev = (void *) skb->data; | |
5094 | struct hci_conn *conn; | |
5095 | ||
5096 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5097 | ||
5098 | if (ev->status) | |
5099 | return; | |
5100 | ||
5101 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->conn_handle)); | |
5102 | if (conn) { | |
5103 | struct adv_info *adv_instance; | |
5104 | ||
5105 | if (hdev->adv_addr_type != ADDR_LE_DEV_RANDOM) | |
5106 | return; | |
5107 | ||
5108 | if (!hdev->cur_adv_instance) { | |
5109 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
5110 | return; | |
5111 | } | |
5112 | ||
5113 | adv_instance = hci_find_adv_instance(hdev, hdev->cur_adv_instance); | |
5114 | if (adv_instance) | |
5115 | bacpy(&conn->resp_addr, &adv_instance->random_addr); | |
5116 | } | |
5117 | } | |
5118 | ||
1855d92d MH |
5119 | static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, |
5120 | struct sk_buff *skb) | |
5121 | { | |
5122 | struct hci_ev_le_conn_update_complete *ev = (void *) skb->data; | |
5123 | struct hci_conn *conn; | |
5124 | ||
5125 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5126 | ||
5127 | if (ev->status) | |
5128 | return; | |
5129 | ||
5130 | hci_dev_lock(hdev); | |
5131 | ||
5132 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
5133 | if (conn) { | |
5134 | conn->le_conn_interval = le16_to_cpu(ev->interval); | |
5135 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
5136 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
5137 | } | |
5138 | ||
5139 | hci_dev_unlock(hdev); | |
5140 | } | |
5141 | ||
a4790dbd | 5142 | /* This function requires the caller holds hdev->lock */ |
fd45ada9 AA |
5143 | static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, |
5144 | bdaddr_t *addr, | |
082f2300 SJ |
5145 | u8 addr_type, u8 adv_type, |
5146 | bdaddr_t *direct_rpa) | |
a4790dbd AG |
5147 | { |
5148 | struct hci_conn *conn; | |
4b9e7e75 | 5149 | struct hci_conn_params *params; |
a4790dbd | 5150 | |
1c1abcab JH |
5151 | /* If the event is not connectable don't proceed further */ |
5152 | if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND) | |
fd45ada9 | 5153 | return NULL; |
1c1abcab JH |
5154 | |
5155 | /* Ignore if the device is blocked */ | |
dcc36c16 | 5156 | if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) |
fd45ada9 | 5157 | return NULL; |
1c1abcab | 5158 | |
f99353cf JH |
5159 | /* Most controller will fail if we try to create new connections |
5160 | * while we have an existing one in slave role. | |
5161 | */ | |
5162 | if (hdev->conn_hash.le_num_slave > 0) | |
fd45ada9 | 5163 | return NULL; |
f99353cf | 5164 | |
1c1abcab JH |
5165 | /* If we're not connectable only connect devices that we have in |
5166 | * our pend_le_conns list. | |
5167 | */ | |
49c50922 JH |
5168 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, |
5169 | addr_type); | |
4b9e7e75 | 5170 | if (!params) |
fd45ada9 | 5171 | return NULL; |
4b9e7e75 | 5172 | |
28a667c9 JP |
5173 | if (!params->explicit_connect) { |
5174 | switch (params->auto_connect) { | |
5175 | case HCI_AUTO_CONN_DIRECT: | |
5176 | /* Only devices advertising with ADV_DIRECT_IND are | |
5177 | * triggering a connection attempt. This is allowing | |
5178 | * incoming connections from slave devices. | |
5179 | */ | |
5180 | if (adv_type != LE_ADV_DIRECT_IND) | |
5181 | return NULL; | |
5182 | break; | |
5183 | case HCI_AUTO_CONN_ALWAYS: | |
5184 | /* Devices advertising with ADV_IND or ADV_DIRECT_IND | |
5185 | * are triggering a connection attempt. This means | |
5186 | * that incoming connectioms from slave device are | |
5187 | * accepted and also outgoing connections to slave | |
5188 | * devices are established when found. | |
5189 | */ | |
5190 | break; | |
5191 | default: | |
fd45ada9 | 5192 | return NULL; |
28a667c9 | 5193 | } |
4b9e7e75 | 5194 | } |
a4790dbd AG |
5195 | |
5196 | conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, | |
082f2300 SJ |
5197 | HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER, |
5198 | direct_rpa); | |
f161dd41 | 5199 | if (!IS_ERR(conn)) { |
28a667c9 JP |
5200 | /* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned |
5201 | * by higher layer that tried to connect, if no then | |
5202 | * store the pointer since we don't really have any | |
f161dd41 JH |
5203 | * other owner of the object besides the params that |
5204 | * triggered it. This way we can abort the connection if | |
5205 | * the parameters get removed and keep the reference | |
5206 | * count consistent once the connection is established. | |
5207 | */ | |
28a667c9 JP |
5208 | |
5209 | if (!params->explicit_connect) | |
5210 | params->conn = hci_conn_get(conn); | |
5211 | ||
fd45ada9 | 5212 | return conn; |
f161dd41 | 5213 | } |
a4790dbd AG |
5214 | |
5215 | switch (PTR_ERR(conn)) { | |
5216 | case -EBUSY: | |
5217 | /* If hci_connect() returns -EBUSY it means there is already | |
5218 | * an LE connection attempt going on. Since controllers don't | |
5219 | * support more than one connection attempt at the time, we | |
5220 | * don't consider this an error case. | |
5221 | */ | |
5222 | break; | |
5223 | default: | |
5224 | BT_DBG("Failed to connect: err %ld", PTR_ERR(conn)); | |
fd45ada9 | 5225 | return NULL; |
a4790dbd | 5226 | } |
fd45ada9 AA |
5227 | |
5228 | return NULL; | |
a4790dbd AG |
5229 | } |
5230 | ||
4af605d8 | 5231 | static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, |
2f010b55 MH |
5232 | u8 bdaddr_type, bdaddr_t *direct_addr, |
5233 | u8 direct_addr_type, s8 rssi, u8 *data, u8 len) | |
4af605d8 | 5234 | { |
b9a6328f | 5235 | struct discovery_state *d = &hdev->discovery; |
1c1abcab | 5236 | struct smp_irk *irk; |
fd45ada9 | 5237 | struct hci_conn *conn; |
474ee066 | 5238 | bool match; |
c70a7e4c | 5239 | u32 flags; |
6818375e SJ |
5240 | u8 *ptr, real_len; |
5241 | ||
56b40fbf JH |
5242 | switch (type) { |
5243 | case LE_ADV_IND: | |
5244 | case LE_ADV_DIRECT_IND: | |
5245 | case LE_ADV_SCAN_IND: | |
5246 | case LE_ADV_NONCONN_IND: | |
5247 | case LE_ADV_SCAN_RSP: | |
5248 | break; | |
5249 | default: | |
2064ee33 MH |
5250 | bt_dev_err_ratelimited(hdev, "unknown advertising packet " |
5251 | "type: 0x%02x", type); | |
56b40fbf JH |
5252 | return; |
5253 | } | |
5254 | ||
6818375e SJ |
5255 | /* Find the end of the data in case the report contains padded zero |
5256 | * bytes at the end causing an invalid length value. | |
5257 | * | |
5258 | * When data is NULL, len is 0 so there is no need for extra ptr | |
5259 | * check as 'ptr < data + 0' is already false in such case. | |
5260 | */ | |
5261 | for (ptr = data; ptr < data + len && *ptr; ptr += *ptr + 1) { | |
5262 | if (ptr + 1 + *ptr > data + len) | |
5263 | break; | |
5264 | } | |
5265 | ||
5266 | real_len = ptr - data; | |
5267 | ||
5268 | /* Adjust for actual length */ | |
5269 | if (len != real_len) { | |
2064ee33 | 5270 | bt_dev_err_ratelimited(hdev, "advertising data len corrected"); |
6818375e SJ |
5271 | len = real_len; |
5272 | } | |
b9a6328f | 5273 | |
2f010b55 MH |
5274 | /* If the direct address is present, then this report is from |
5275 | * a LE Direct Advertising Report event. In that case it is | |
5276 | * important to see if the address is matching the local | |
5277 | * controller address. | |
5278 | */ | |
5279 | if (direct_addr) { | |
5280 | /* Only resolvable random addresses are valid for these | |
5281 | * kind of reports and others can be ignored. | |
5282 | */ | |
5283 | if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type)) | |
5284 | return; | |
5285 | ||
5286 | /* If the controller is not using resolvable random | |
5287 | * addresses, then this report can be ignored. | |
5288 | */ | |
d7a5a11d | 5289 | if (!hci_dev_test_flag(hdev, HCI_PRIVACY)) |
2f010b55 MH |
5290 | return; |
5291 | ||
5292 | /* If the local IRK of the controller does not match | |
5293 | * with the resolvable random address provided, then | |
5294 | * this report can be ignored. | |
5295 | */ | |
5296 | if (!smp_irk_matches(hdev, hdev->irk, direct_addr)) | |
5297 | return; | |
5298 | } | |
5299 | ||
1c1abcab JH |
5300 | /* Check if we need to convert to identity address */ |
5301 | irk = hci_get_irk(hdev, bdaddr, bdaddr_type); | |
5302 | if (irk) { | |
5303 | bdaddr = &irk->bdaddr; | |
5304 | bdaddr_type = irk->addr_type; | |
5305 | } | |
5306 | ||
082f2300 SJ |
5307 | /* Check if we have been requested to connect to this device. |
5308 | * | |
5309 | * direct_addr is set only for directed advertising reports (it is NULL | |
5310 | * for advertising reports) and is already verified to be RPA above. | |
5311 | */ | |
5312 | conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type, | |
5313 | direct_addr); | |
fd45ada9 AA |
5314 | if (conn && type == LE_ADV_IND) { |
5315 | /* Store report for later inclusion by | |
5316 | * mgmt_device_connected | |
5317 | */ | |
5318 | memcpy(conn->le_adv_data, data, len); | |
5319 | conn->le_adv_data_len = len; | |
5320 | } | |
1c1abcab | 5321 | |
0d2bf134 JH |
5322 | /* Passive scanning shouldn't trigger any device found events, |
5323 | * except for devices marked as CONN_REPORT for which we do send | |
5324 | * device found events. | |
5325 | */ | |
ca5c4be7 | 5326 | if (hdev->le_scan_type == LE_SCAN_PASSIVE) { |
0d2bf134 JH |
5327 | if (type == LE_ADV_DIRECT_IND) |
5328 | return; | |
5329 | ||
3a19b6fe JH |
5330 | if (!hci_pend_le_action_lookup(&hdev->pend_le_reports, |
5331 | bdaddr, bdaddr_type)) | |
0d2bf134 JH |
5332 | return; |
5333 | ||
5334 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND) | |
5335 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
5336 | else | |
5337 | flags = 0; | |
5338 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
5339 | rssi, flags, data, len, NULL, 0); | |
97bf2e99 | 5340 | return; |
ca5c4be7 | 5341 | } |
4af605d8 | 5342 | |
c70a7e4c MH |
5343 | /* When receiving non-connectable or scannable undirected |
5344 | * advertising reports, this means that the remote device is | |
5345 | * not connectable and then clearly indicate this in the | |
5346 | * device found event. | |
5347 | * | |
5348 | * When receiving a scan response, then there is no way to | |
5349 | * know if the remote device is connectable or not. However | |
5350 | * since scan responses are merged with a previously seen | |
5351 | * advertising report, the flags field from that report | |
5352 | * will be used. | |
5353 | * | |
5354 | * In the really unlikely case that a controller get confused | |
5355 | * and just sends a scan response event, then it is marked as | |
5356 | * not connectable as well. | |
5357 | */ | |
5358 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND || | |
5359 | type == LE_ADV_SCAN_RSP) | |
5360 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
5361 | else | |
5362 | flags = 0; | |
5363 | ||
b9a6328f JH |
5364 | /* If there's nothing pending either store the data from this |
5365 | * event or send an immediate device found event if the data | |
5366 | * should not be stored for later. | |
5367 | */ | |
5368 | if (!has_pending_adv_report(hdev)) { | |
5369 | /* If the report will trigger a SCAN_REQ store it for | |
5370 | * later merging. | |
5371 | */ | |
5372 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
5373 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 5374 | rssi, flags, data, len); |
b9a6328f JH |
5375 | return; |
5376 | } | |
5377 | ||
5378 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
c70a7e4c | 5379 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
5380 | return; |
5381 | } | |
5382 | ||
474ee066 JH |
5383 | /* Check if the pending report is for the same device as the new one */ |
5384 | match = (!bacmp(bdaddr, &d->last_adv_addr) && | |
5385 | bdaddr_type == d->last_adv_addr_type); | |
5386 | ||
b9a6328f JH |
5387 | /* If the pending data doesn't match this report or this isn't a |
5388 | * scan response (e.g. we got a duplicate ADV_IND) then force | |
5389 | * sending of the pending data. | |
5390 | */ | |
474ee066 JH |
5391 | if (type != LE_ADV_SCAN_RSP || !match) { |
5392 | /* Send out whatever is in the cache, but skip duplicates */ | |
5393 | if (!match) | |
5394 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ff5cd29f | 5395 | d->last_adv_addr_type, NULL, |
c70a7e4c | 5396 | d->last_adv_rssi, d->last_adv_flags, |
ff5cd29f | 5397 | d->last_adv_data, |
474ee066 | 5398 | d->last_adv_data_len, NULL, 0); |
b9a6328f JH |
5399 | |
5400 | /* If the new report will trigger a SCAN_REQ store it for | |
5401 | * later merging. | |
5402 | */ | |
5403 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
5404 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 5405 | rssi, flags, data, len); |
b9a6328f JH |
5406 | return; |
5407 | } | |
5408 | ||
5409 | /* The advertising reports cannot be merged, so clear | |
5410 | * the pending report and send out a device found event. | |
5411 | */ | |
5412 | clear_pending_adv_report(hdev); | |
5c5b93e4 | 5413 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, |
c70a7e4c | 5414 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
5415 | return; |
5416 | } | |
5417 | ||
5418 | /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and | |
5419 | * the new event is a SCAN_RSP. We can therefore proceed with | |
5420 | * sending a merged device found event. | |
5421 | */ | |
5422 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
c70a7e4c | 5423 | d->last_adv_addr_type, NULL, rssi, d->last_adv_flags, |
42bd6a56 | 5424 | d->last_adv_data, d->last_adv_data_len, data, len); |
b9a6328f | 5425 | clear_pending_adv_report(hdev); |
4af605d8 JH |
5426 | } |
5427 | ||
6039aa73 | 5428 | static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) |
9aa04c91 | 5429 | { |
e95beb41 AG |
5430 | u8 num_reports = skb->data[0]; |
5431 | void *ptr = &skb->data[1]; | |
9aa04c91 | 5432 | |
a4790dbd AG |
5433 | hci_dev_lock(hdev); |
5434 | ||
e95beb41 AG |
5435 | while (num_reports--) { |
5436 | struct hci_ev_le_advertising_info *ev = ptr; | |
4af605d8 | 5437 | s8 rssi; |
a4790dbd | 5438 | |
ee649346 CC |
5439 | if (ev->length <= HCI_MAX_AD_LENGTH) { |
5440 | rssi = ev->data[ev->length]; | |
5441 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, | |
5442 | ev->bdaddr_type, NULL, 0, rssi, | |
5443 | ev->data, ev->length); | |
5444 | } else { | |
5445 | bt_dev_err(hdev, "Dropping invalid advertising data"); | |
5446 | } | |
3c9e9195 | 5447 | |
e95beb41 | 5448 | ptr += sizeof(*ev) + ev->length + 1; |
9aa04c91 | 5449 | } |
a4790dbd AG |
5450 | |
5451 | hci_dev_unlock(hdev); | |
9aa04c91 AG |
5452 | } |
5453 | ||
b2cc9761 JK |
5454 | static u8 ext_evt_type_to_legacy(u16 evt_type) |
5455 | { | |
5456 | if (evt_type & LE_EXT_ADV_LEGACY_PDU) { | |
5457 | switch (evt_type) { | |
5458 | case LE_LEGACY_ADV_IND: | |
5459 | return LE_ADV_IND; | |
5460 | case LE_LEGACY_ADV_DIRECT_IND: | |
5461 | return LE_ADV_DIRECT_IND; | |
5462 | case LE_LEGACY_ADV_SCAN_IND: | |
5463 | return LE_ADV_SCAN_IND; | |
5464 | case LE_LEGACY_NONCONN_IND: | |
5465 | return LE_ADV_NONCONN_IND; | |
5466 | case LE_LEGACY_SCAN_RSP_ADV: | |
5467 | case LE_LEGACY_SCAN_RSP_ADV_SCAN: | |
5468 | return LE_ADV_SCAN_RSP; | |
5469 | } | |
5470 | ||
5471 | BT_ERR_RATELIMITED("Unknown advertising packet type: 0x%02x", | |
5472 | evt_type); | |
5473 | ||
5474 | return LE_ADV_INVALID; | |
5475 | } | |
5476 | ||
5477 | if (evt_type & LE_EXT_ADV_CONN_IND) { | |
5478 | if (evt_type & LE_EXT_ADV_DIRECT_IND) | |
5479 | return LE_ADV_DIRECT_IND; | |
5480 | ||
c215e939 | 5481 | return LE_ADV_IND; |
b2cc9761 JK |
5482 | } |
5483 | ||
5484 | if (evt_type & LE_EXT_ADV_SCAN_RSP) | |
5485 | return LE_ADV_SCAN_RSP; | |
5486 | ||
5487 | if (evt_type & LE_EXT_ADV_SCAN_IND) | |
c215e939 | 5488 | return LE_ADV_SCAN_IND; |
b2cc9761 JK |
5489 | |
5490 | if (evt_type == LE_EXT_ADV_NON_CONN_IND || | |
5491 | evt_type & LE_EXT_ADV_DIRECT_IND) | |
c215e939 | 5492 | return LE_ADV_NONCONN_IND; |
c215e939 JK |
5493 | |
5494 | BT_ERR_RATELIMITED("Unknown advertising packet type: 0x%02x", | |
5495 | evt_type); | |
5496 | ||
5497 | return LE_ADV_INVALID; | |
5498 | } | |
5499 | ||
5500 | static void hci_le_ext_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
5501 | { | |
5502 | u8 num_reports = skb->data[0]; | |
5503 | void *ptr = &skb->data[1]; | |
5504 | ||
5505 | hci_dev_lock(hdev); | |
5506 | ||
5507 | while (num_reports--) { | |
5508 | struct hci_ev_le_ext_adv_report *ev = ptr; | |
5509 | u8 legacy_evt_type; | |
5510 | u16 evt_type; | |
5511 | ||
5512 | evt_type = __le16_to_cpu(ev->evt_type); | |
b2cc9761 | 5513 | legacy_evt_type = ext_evt_type_to_legacy(evt_type); |
c215e939 JK |
5514 | if (legacy_evt_type != LE_ADV_INVALID) { |
5515 | process_adv_report(hdev, legacy_evt_type, &ev->bdaddr, | |
5516 | ev->bdaddr_type, NULL, 0, ev->rssi, | |
5517 | ev->data, ev->length); | |
5518 | } | |
5519 | ||
cd9151b6 | 5520 | ptr += sizeof(*ev) + ev->length; |
c215e939 JK |
5521 | } |
5522 | ||
5523 | hci_dev_unlock(hdev); | |
5524 | } | |
5525 | ||
0fe29fd1 MH |
5526 | static void hci_le_remote_feat_complete_evt(struct hci_dev *hdev, |
5527 | struct sk_buff *skb) | |
5528 | { | |
5529 | struct hci_ev_le_remote_feat_complete *ev = (void *)skb->data; | |
5530 | struct hci_conn *conn; | |
5531 | ||
5532 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5533 | ||
5534 | hci_dev_lock(hdev); | |
5535 | ||
5536 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
5537 | if (conn) { | |
5538 | if (!ev->status) | |
5539 | memcpy(conn->features[0], ev->features, 8); | |
5540 | ||
5541 | if (conn->state == BT_CONFIG) { | |
5542 | __u8 status; | |
5543 | ||
5544 | /* If the local controller supports slave-initiated | |
5545 | * features exchange, but the remote controller does | |
5546 | * not, then it is possible that the error code 0x1a | |
5547 | * for unsupported remote feature gets returned. | |
5548 | * | |
5549 | * In this specific case, allow the connection to | |
5550 | * transition into connected state and mark it as | |
5551 | * successful. | |
5552 | */ | |
5553 | if ((hdev->le_features[0] & HCI_LE_SLAVE_FEATURES) && | |
5554 | !conn->out && ev->status == 0x1a) | |
5555 | status = 0x00; | |
5556 | else | |
5557 | status = ev->status; | |
5558 | ||
5559 | conn->state = BT_CONNECTED; | |
5560 | hci_connect_cfm(conn, status); | |
5561 | hci_conn_drop(conn); | |
5562 | } | |
5563 | } | |
5564 | ||
5565 | hci_dev_unlock(hdev); | |
5566 | } | |
5567 | ||
6039aa73 | 5568 | static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a7a595f6 VCG |
5569 | { |
5570 | struct hci_ev_le_ltk_req *ev = (void *) skb->data; | |
5571 | struct hci_cp_le_ltk_reply cp; | |
bea710fe | 5572 | struct hci_cp_le_ltk_neg_reply neg; |
a7a595f6 | 5573 | struct hci_conn *conn; |
c9839a11 | 5574 | struct smp_ltk *ltk; |
a7a595f6 | 5575 | |
9f1db00c | 5576 | BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); |
a7a595f6 VCG |
5577 | |
5578 | hci_dev_lock(hdev); | |
5579 | ||
5580 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
bea710fe VCG |
5581 | if (conn == NULL) |
5582 | goto not_found; | |
a7a595f6 | 5583 | |
f3a73d97 | 5584 | ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role); |
5378bc56 | 5585 | if (!ltk) |
bea710fe VCG |
5586 | goto not_found; |
5587 | ||
5378bc56 JH |
5588 | if (smp_ltk_is_sc(ltk)) { |
5589 | /* With SC both EDiv and Rand are set to zero */ | |
5590 | if (ev->ediv || ev->rand) | |
5591 | goto not_found; | |
5592 | } else { | |
5593 | /* For non-SC keys check that EDiv and Rand match */ | |
5594 | if (ev->ediv != ltk->ediv || ev->rand != ltk->rand) | |
5595 | goto not_found; | |
5596 | } | |
5597 | ||
8b76ce34 JH |
5598 | memcpy(cp.ltk, ltk->val, ltk->enc_size); |
5599 | memset(cp.ltk + ltk->enc_size, 0, sizeof(cp.ltk) - ltk->enc_size); | |
a7a595f6 | 5600 | cp.handle = cpu_to_le16(conn->handle); |
c9839a11 | 5601 | |
a6f7833c | 5602 | conn->pending_sec_level = smp_ltk_sec_level(ltk); |
a7a595f6 | 5603 | |
89cbb4da | 5604 | conn->enc_key_size = ltk->enc_size; |
a7a595f6 VCG |
5605 | |
5606 | hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); | |
5607 | ||
5981a882 CT |
5608 | /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a |
5609 | * temporary key used to encrypt a connection following | |
5610 | * pairing. It is used during the Encrypted Session Setup to | |
5611 | * distribute the keys. Later, security can be re-established | |
5612 | * using a distributed LTK. | |
5613 | */ | |
2ceba539 | 5614 | if (ltk->type == SMP_STK) { |
fe59a05f | 5615 | set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
970d0f1b JH |
5616 | list_del_rcu(<k->list); |
5617 | kfree_rcu(ltk, rcu); | |
fe59a05f JH |
5618 | } else { |
5619 | clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); | |
c9839a11 VCG |
5620 | } |
5621 | ||
a7a595f6 | 5622 | hci_dev_unlock(hdev); |
bea710fe VCG |
5623 | |
5624 | return; | |
5625 | ||
5626 | not_found: | |
5627 | neg.handle = ev->handle; | |
5628 | hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); | |
5629 | hci_dev_unlock(hdev); | |
a7a595f6 VCG |
5630 | } |
5631 | ||
8e75b46a AG |
5632 | static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle, |
5633 | u8 reason) | |
5634 | { | |
5635 | struct hci_cp_le_conn_param_req_neg_reply cp; | |
5636 | ||
5637 | cp.handle = cpu_to_le16(handle); | |
5638 | cp.reason = reason; | |
5639 | ||
5640 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp), | |
5641 | &cp); | |
5642 | } | |
5643 | ||
5644 | static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev, | |
5645 | struct sk_buff *skb) | |
5646 | { | |
5647 | struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data; | |
5648 | struct hci_cp_le_conn_param_req_reply cp; | |
5649 | struct hci_conn *hcon; | |
5650 | u16 handle, min, max, latency, timeout; | |
5651 | ||
5652 | handle = le16_to_cpu(ev->handle); | |
5653 | min = le16_to_cpu(ev->interval_min); | |
5654 | max = le16_to_cpu(ev->interval_max); | |
5655 | latency = le16_to_cpu(ev->latency); | |
5656 | timeout = le16_to_cpu(ev->timeout); | |
5657 | ||
5658 | hcon = hci_conn_hash_lookup_handle(hdev, handle); | |
5659 | if (!hcon || hcon->state != BT_CONNECTED) | |
5660 | return send_conn_param_neg_reply(hdev, handle, | |
5661 | HCI_ERROR_UNKNOWN_CONN_ID); | |
5662 | ||
c49a8682 | 5663 | if (min < hcon->le_conn_min_interval || |
5664 | max > hcon->le_conn_max_interval) | |
5665 | return send_conn_param_neg_reply(hdev, handle, | |
5666 | HCI_ERROR_INVALID_LL_PARAMS); | |
5667 | ||
8e75b46a AG |
5668 | if (hci_check_conn_params(min, max, latency, timeout)) |
5669 | return send_conn_param_neg_reply(hdev, handle, | |
5670 | HCI_ERROR_INVALID_LL_PARAMS); | |
5671 | ||
40bef302 | 5672 | if (hcon->role == HCI_ROLE_MASTER) { |
348d50b8 | 5673 | struct hci_conn_params *params; |
f4869e2a | 5674 | u8 store_hint; |
348d50b8 JH |
5675 | |
5676 | hci_dev_lock(hdev); | |
5677 | ||
5678 | params = hci_conn_params_lookup(hdev, &hcon->dst, | |
5679 | hcon->dst_type); | |
5680 | if (params) { | |
5681 | params->conn_min_interval = min; | |
5682 | params->conn_max_interval = max; | |
5683 | params->conn_latency = latency; | |
5684 | params->supervision_timeout = timeout; | |
f4869e2a JH |
5685 | store_hint = 0x01; |
5686 | } else{ | |
5687 | store_hint = 0x00; | |
348d50b8 JH |
5688 | } |
5689 | ||
5690 | hci_dev_unlock(hdev); | |
5691 | ||
f4869e2a JH |
5692 | mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type, |
5693 | store_hint, min, max, latency, timeout); | |
348d50b8 | 5694 | } |
ffb5a827 | 5695 | |
8e75b46a AG |
5696 | cp.handle = ev->handle; |
5697 | cp.interval_min = ev->interval_min; | |
5698 | cp.interval_max = ev->interval_max; | |
5699 | cp.latency = ev->latency; | |
5700 | cp.timeout = ev->timeout; | |
5701 | cp.min_ce_len = 0; | |
5702 | cp.max_ce_len = 0; | |
5703 | ||
5704 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp); | |
5705 | } | |
5706 | ||
2f010b55 MH |
5707 | static void hci_le_direct_adv_report_evt(struct hci_dev *hdev, |
5708 | struct sk_buff *skb) | |
5709 | { | |
5710 | u8 num_reports = skb->data[0]; | |
5711 | void *ptr = &skb->data[1]; | |
5712 | ||
5713 | hci_dev_lock(hdev); | |
5714 | ||
5715 | while (num_reports--) { | |
5716 | struct hci_ev_le_direct_adv_info *ev = ptr; | |
5717 | ||
5718 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, | |
5719 | ev->bdaddr_type, &ev->direct_addr, | |
5720 | ev->direct_addr_type, ev->rssi, NULL, 0); | |
5721 | ||
5722 | ptr += sizeof(*ev); | |
5723 | } | |
5724 | ||
5725 | hci_dev_unlock(hdev); | |
5726 | } | |
5727 | ||
6039aa73 | 5728 | static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
5729 | { |
5730 | struct hci_ev_le_meta *le_ev = (void *) skb->data; | |
5731 | ||
5732 | skb_pull(skb, sizeof(*le_ev)); | |
5733 | ||
5734 | switch (le_ev->subevent) { | |
5735 | case HCI_EV_LE_CONN_COMPLETE: | |
5736 | hci_le_conn_complete_evt(hdev, skb); | |
5737 | break; | |
5738 | ||
1855d92d MH |
5739 | case HCI_EV_LE_CONN_UPDATE_COMPLETE: |
5740 | hci_le_conn_update_complete_evt(hdev, skb); | |
5741 | break; | |
5742 | ||
9aa04c91 AG |
5743 | case HCI_EV_LE_ADVERTISING_REPORT: |
5744 | hci_le_adv_report_evt(hdev, skb); | |
5745 | break; | |
5746 | ||
0fe29fd1 MH |
5747 | case HCI_EV_LE_REMOTE_FEAT_COMPLETE: |
5748 | hci_le_remote_feat_complete_evt(hdev, skb); | |
5749 | break; | |
5750 | ||
a7a595f6 VCG |
5751 | case HCI_EV_LE_LTK_REQ: |
5752 | hci_le_ltk_request_evt(hdev, skb); | |
5753 | break; | |
5754 | ||
8e75b46a AG |
5755 | case HCI_EV_LE_REMOTE_CONN_PARAM_REQ: |
5756 | hci_le_remote_conn_param_req_evt(hdev, skb); | |
5757 | break; | |
5758 | ||
2f010b55 MH |
5759 | case HCI_EV_LE_DIRECT_ADV_REPORT: |
5760 | hci_le_direct_adv_report_evt(hdev, skb); | |
5761 | break; | |
5762 | ||
c215e939 JK |
5763 | case HCI_EV_LE_EXT_ADV_REPORT: |
5764 | hci_le_ext_adv_report_evt(hdev, skb); | |
5765 | break; | |
5766 | ||
4d94f95d JK |
5767 | case HCI_EV_LE_ENHANCED_CONN_COMPLETE: |
5768 | hci_le_enh_conn_complete_evt(hdev, skb); | |
5769 | break; | |
5770 | ||
acf0aeae JK |
5771 | case HCI_EV_LE_EXT_ADV_SET_TERM: |
5772 | hci_le_ext_adv_term_evt(hdev, skb); | |
5773 | break; | |
5774 | ||
fcd89c09 VT |
5775 | default: |
5776 | break; | |
5777 | } | |
5778 | } | |
5779 | ||
757aa0b5 JH |
5780 | static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode, |
5781 | u8 event, struct sk_buff *skb) | |
5782 | { | |
5783 | struct hci_ev_cmd_complete *ev; | |
5784 | struct hci_event_hdr *hdr; | |
5785 | ||
5786 | if (!skb) | |
5787 | return false; | |
5788 | ||
5789 | if (skb->len < sizeof(*hdr)) { | |
2064ee33 | 5790 | bt_dev_err(hdev, "too short HCI event"); |
757aa0b5 JH |
5791 | return false; |
5792 | } | |
5793 | ||
5794 | hdr = (void *) skb->data; | |
5795 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5796 | ||
5797 | if (event) { | |
5798 | if (hdr->evt != event) | |
5799 | return false; | |
5800 | return true; | |
5801 | } | |
5802 | ||
1629db9c JH |
5803 | /* Check if request ended in Command Status - no way to retreive |
5804 | * any extra parameters in this case. | |
5805 | */ | |
5806 | if (hdr->evt == HCI_EV_CMD_STATUS) | |
5807 | return false; | |
5808 | ||
757aa0b5 | 5809 | if (hdr->evt != HCI_EV_CMD_COMPLETE) { |
2064ee33 MH |
5810 | bt_dev_err(hdev, "last event is not cmd complete (0x%2.2x)", |
5811 | hdr->evt); | |
757aa0b5 JH |
5812 | return false; |
5813 | } | |
5814 | ||
5815 | if (skb->len < sizeof(*ev)) { | |
2064ee33 | 5816 | bt_dev_err(hdev, "too short cmd_complete event"); |
757aa0b5 JH |
5817 | return false; |
5818 | } | |
5819 | ||
5820 | ev = (void *) skb->data; | |
5821 | skb_pull(skb, sizeof(*ev)); | |
5822 | ||
5823 | if (opcode != __le16_to_cpu(ev->opcode)) { | |
5824 | BT_DBG("opcode doesn't match (0x%2.2x != 0x%2.2x)", opcode, | |
5825 | __le16_to_cpu(ev->opcode)); | |
5826 | return false; | |
5827 | } | |
5828 | ||
5829 | return true; | |
5830 | } | |
5831 | ||
a9de9248 MH |
5832 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
5833 | { | |
5834 | struct hci_event_hdr *hdr = (void *) skb->data; | |
e6214487 JH |
5835 | hci_req_complete_t req_complete = NULL; |
5836 | hci_req_complete_skb_t req_complete_skb = NULL; | |
5837 | struct sk_buff *orig_skb = NULL; | |
757aa0b5 | 5838 | u8 status = 0, event = hdr->evt, req_evt = 0; |
e6214487 | 5839 | u16 opcode = HCI_OP_NOP; |
a9de9248 | 5840 | |
242c0ebd | 5841 | if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->hci.req_event == event) { |
c1f23a2b | 5842 | struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; |
e6214487 JH |
5843 | opcode = __le16_to_cpu(cmd_hdr->opcode); |
5844 | hci_req_cmd_complete(hdev, opcode, status, &req_complete, | |
5845 | &req_complete_skb); | |
757aa0b5 | 5846 | req_evt = event; |
02350a72 JH |
5847 | } |
5848 | ||
e6214487 JH |
5849 | /* If it looks like we might end up having to call |
5850 | * req_complete_skb, store a pristine copy of the skb since the | |
5851 | * various handlers may modify the original one through | |
5852 | * skb_pull() calls, etc. | |
5853 | */ | |
5854 | if (req_complete_skb || event == HCI_EV_CMD_STATUS || | |
5855 | event == HCI_EV_CMD_COMPLETE) | |
5856 | orig_skb = skb_clone(skb, GFP_KERNEL); | |
5857 | ||
5858 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5859 | ||
a9de9248 | 5860 | switch (event) { |
1da177e4 LT |
5861 | case HCI_EV_INQUIRY_COMPLETE: |
5862 | hci_inquiry_complete_evt(hdev, skb); | |
5863 | break; | |
5864 | ||
5865 | case HCI_EV_INQUIRY_RESULT: | |
5866 | hci_inquiry_result_evt(hdev, skb); | |
5867 | break; | |
5868 | ||
a9de9248 MH |
5869 | case HCI_EV_CONN_COMPLETE: |
5870 | hci_conn_complete_evt(hdev, skb); | |
21d9e30e MH |
5871 | break; |
5872 | ||
1da177e4 LT |
5873 | case HCI_EV_CONN_REQUEST: |
5874 | hci_conn_request_evt(hdev, skb); | |
5875 | break; | |
5876 | ||
1da177e4 LT |
5877 | case HCI_EV_DISCONN_COMPLETE: |
5878 | hci_disconn_complete_evt(hdev, skb); | |
5879 | break; | |
5880 | ||
1da177e4 LT |
5881 | case HCI_EV_AUTH_COMPLETE: |
5882 | hci_auth_complete_evt(hdev, skb); | |
5883 | break; | |
5884 | ||
a9de9248 MH |
5885 | case HCI_EV_REMOTE_NAME: |
5886 | hci_remote_name_evt(hdev, skb); | |
5887 | break; | |
5888 | ||
1da177e4 LT |
5889 | case HCI_EV_ENCRYPT_CHANGE: |
5890 | hci_encrypt_change_evt(hdev, skb); | |
5891 | break; | |
5892 | ||
a9de9248 MH |
5893 | case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
5894 | hci_change_link_key_complete_evt(hdev, skb); | |
5895 | break; | |
5896 | ||
5897 | case HCI_EV_REMOTE_FEATURES: | |
5898 | hci_remote_features_evt(hdev, skb); | |
5899 | break; | |
5900 | ||
a9de9248 | 5901 | case HCI_EV_CMD_COMPLETE: |
e6214487 JH |
5902 | hci_cmd_complete_evt(hdev, skb, &opcode, &status, |
5903 | &req_complete, &req_complete_skb); | |
a9de9248 MH |
5904 | break; |
5905 | ||
5906 | case HCI_EV_CMD_STATUS: | |
e6214487 JH |
5907 | hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete, |
5908 | &req_complete_skb); | |
a9de9248 MH |
5909 | break; |
5910 | ||
24dfa343 MH |
5911 | case HCI_EV_HARDWARE_ERROR: |
5912 | hci_hardware_error_evt(hdev, skb); | |
5913 | break; | |
5914 | ||
a9de9248 MH |
5915 | case HCI_EV_ROLE_CHANGE: |
5916 | hci_role_change_evt(hdev, skb); | |
5917 | break; | |
5918 | ||
5919 | case HCI_EV_NUM_COMP_PKTS: | |
5920 | hci_num_comp_pkts_evt(hdev, skb); | |
5921 | break; | |
5922 | ||
5923 | case HCI_EV_MODE_CHANGE: | |
5924 | hci_mode_change_evt(hdev, skb); | |
1da177e4 LT |
5925 | break; |
5926 | ||
5927 | case HCI_EV_PIN_CODE_REQ: | |
5928 | hci_pin_code_request_evt(hdev, skb); | |
5929 | break; | |
5930 | ||
5931 | case HCI_EV_LINK_KEY_REQ: | |
5932 | hci_link_key_request_evt(hdev, skb); | |
5933 | break; | |
5934 | ||
5935 | case HCI_EV_LINK_KEY_NOTIFY: | |
5936 | hci_link_key_notify_evt(hdev, skb); | |
5937 | break; | |
5938 | ||
5939 | case HCI_EV_CLOCK_OFFSET: | |
5940 | hci_clock_offset_evt(hdev, skb); | |
5941 | break; | |
5942 | ||
a8746417 MH |
5943 | case HCI_EV_PKT_TYPE_CHANGE: |
5944 | hci_pkt_type_change_evt(hdev, skb); | |
5945 | break; | |
5946 | ||
85a1e930 MH |
5947 | case HCI_EV_PSCAN_REP_MODE: |
5948 | hci_pscan_rep_mode_evt(hdev, skb); | |
5949 | break; | |
5950 | ||
a9de9248 MH |
5951 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
5952 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
04837f64 MH |
5953 | break; |
5954 | ||
a9de9248 MH |
5955 | case HCI_EV_REMOTE_EXT_FEATURES: |
5956 | hci_remote_ext_features_evt(hdev, skb); | |
1da177e4 LT |
5957 | break; |
5958 | ||
a9de9248 MH |
5959 | case HCI_EV_SYNC_CONN_COMPLETE: |
5960 | hci_sync_conn_complete_evt(hdev, skb); | |
5961 | break; | |
1da177e4 | 5962 | |
a9de9248 MH |
5963 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
5964 | hci_extended_inquiry_result_evt(hdev, skb); | |
5965 | break; | |
1da177e4 | 5966 | |
1c2e0041 JH |
5967 | case HCI_EV_KEY_REFRESH_COMPLETE: |
5968 | hci_key_refresh_complete_evt(hdev, skb); | |
5969 | break; | |
5970 | ||
0493684e MH |
5971 | case HCI_EV_IO_CAPA_REQUEST: |
5972 | hci_io_capa_request_evt(hdev, skb); | |
5973 | break; | |
5974 | ||
03b555e1 JH |
5975 | case HCI_EV_IO_CAPA_REPLY: |
5976 | hci_io_capa_reply_evt(hdev, skb); | |
5977 | break; | |
5978 | ||
a5c29683 JH |
5979 | case HCI_EV_USER_CONFIRM_REQUEST: |
5980 | hci_user_confirm_request_evt(hdev, skb); | |
5981 | break; | |
5982 | ||
1143d458 BG |
5983 | case HCI_EV_USER_PASSKEY_REQUEST: |
5984 | hci_user_passkey_request_evt(hdev, skb); | |
5985 | break; | |
5986 | ||
92a25256 JH |
5987 | case HCI_EV_USER_PASSKEY_NOTIFY: |
5988 | hci_user_passkey_notify_evt(hdev, skb); | |
5989 | break; | |
5990 | ||
5991 | case HCI_EV_KEYPRESS_NOTIFY: | |
5992 | hci_keypress_notify_evt(hdev, skb); | |
5993 | break; | |
5994 | ||
0493684e MH |
5995 | case HCI_EV_SIMPLE_PAIR_COMPLETE: |
5996 | hci_simple_pair_complete_evt(hdev, skb); | |
5997 | break; | |
5998 | ||
41a96212 MH |
5999 | case HCI_EV_REMOTE_HOST_FEATURES: |
6000 | hci_remote_host_features_evt(hdev, skb); | |
6001 | break; | |
6002 | ||
fcd89c09 VT |
6003 | case HCI_EV_LE_META: |
6004 | hci_le_meta_evt(hdev, skb); | |
6005 | break; | |
6006 | ||
2763eda6 SJ |
6007 | case HCI_EV_REMOTE_OOB_DATA_REQUEST: |
6008 | hci_remote_oob_data_request_evt(hdev, skb); | |
6009 | break; | |
6010 | ||
a77a6a14 AW |
6011 | #if IS_ENABLED(CONFIG_BT_HS) |
6012 | case HCI_EV_CHANNEL_SELECTED: | |
6013 | hci_chan_selected_evt(hdev, skb); | |
6014 | break; | |
6015 | ||
d5e91192 AE |
6016 | case HCI_EV_PHY_LINK_COMPLETE: |
6017 | hci_phy_link_complete_evt(hdev, skb); | |
6018 | break; | |
6019 | ||
27695fb4 AE |
6020 | case HCI_EV_LOGICAL_LINK_COMPLETE: |
6021 | hci_loglink_complete_evt(hdev, skb); | |
6022 | break; | |
6023 | ||
606e2a10 AE |
6024 | case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: |
6025 | hci_disconn_loglink_complete_evt(hdev, skb); | |
6026 | break; | |
6027 | ||
9eef6b3a AE |
6028 | case HCI_EV_DISCONN_PHY_LINK_COMPLETE: |
6029 | hci_disconn_phylink_complete_evt(hdev, skb); | |
6030 | break; | |
a77a6a14 | 6031 | #endif |
9eef6b3a | 6032 | |
25e89e99 AE |
6033 | case HCI_EV_NUM_COMP_BLOCKS: |
6034 | hci_num_comp_blocks_evt(hdev, skb); | |
6035 | break; | |
6036 | ||
a9de9248 | 6037 | default: |
9f1db00c | 6038 | BT_DBG("%s event 0x%2.2x", hdev->name, event); |
1da177e4 LT |
6039 | break; |
6040 | } | |
6041 | ||
757aa0b5 | 6042 | if (req_complete) { |
e6214487 | 6043 | req_complete(hdev, status, opcode); |
757aa0b5 JH |
6044 | } else if (req_complete_skb) { |
6045 | if (!hci_get_cmd_complete(hdev, opcode, req_evt, orig_skb)) { | |
6046 | kfree_skb(orig_skb); | |
6047 | orig_skb = NULL; | |
6048 | } | |
e6214487 | 6049 | req_complete_skb(hdev, status, opcode, orig_skb); |
757aa0b5 | 6050 | } |
e6214487 JH |
6051 | |
6052 | kfree_skb(orig_skb); | |
1da177e4 LT |
6053 | kfree_skb(skb); |
6054 | hdev->stat.evt_rx++; | |
6055 | } |