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); | |
a9de9248 | 224 | } |
04837f64 | 225 | |
c2f0f979 MH |
226 | static void hci_cc_read_stored_link_key(struct hci_dev *hdev, |
227 | struct sk_buff *skb) | |
228 | { | |
229 | struct hci_rp_read_stored_link_key *rp = (void *)skb->data; | |
230 | struct hci_cp_read_stored_link_key *sent; | |
231 | ||
232 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
233 | ||
234 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY); | |
235 | if (!sent) | |
236 | return; | |
237 | ||
238 | if (!rp->status && sent->read_all == 0x01) { | |
239 | hdev->stored_max_keys = rp->max_keys; | |
240 | hdev->stored_num_keys = rp->num_keys; | |
241 | } | |
242 | } | |
243 | ||
a9366120 MH |
244 | static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, |
245 | struct sk_buff *skb) | |
246 | { | |
247 | struct hci_rp_delete_stored_link_key *rp = (void *)skb->data; | |
248 | ||
249 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
250 | ||
251 | if (rp->status) | |
252 | return; | |
253 | ||
254 | if (rp->num_keys <= hdev->stored_num_keys) | |
255 | hdev->stored_num_keys -= rp->num_keys; | |
256 | else | |
257 | hdev->stored_num_keys = 0; | |
258 | } | |
259 | ||
a9de9248 MH |
260 | static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) |
261 | { | |
262 | __u8 status = *((__u8 *) skb->data); | |
263 | void *sent; | |
04837f64 | 264 | |
9f1db00c | 265 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 266 | |
a9de9248 MH |
267 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); |
268 | if (!sent) | |
269 | return; | |
04837f64 | 270 | |
56e5cb86 JH |
271 | hci_dev_lock(hdev); |
272 | ||
d7a5a11d | 273 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
f51d5b24 | 274 | mgmt_set_local_name_complete(hdev, sent, status); |
28cc7bde JH |
275 | else if (!status) |
276 | memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); | |
f51d5b24 | 277 | |
56e5cb86 | 278 | hci_dev_unlock(hdev); |
a9de9248 MH |
279 | } |
280 | ||
281 | static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) | |
282 | { | |
283 | struct hci_rp_read_local_name *rp = (void *) skb->data; | |
284 | ||
9f1db00c | 285 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
286 | |
287 | if (rp->status) | |
288 | return; | |
289 | ||
d7a5a11d MH |
290 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
291 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
db99b5fc | 292 | memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); |
a9de9248 MH |
293 | } |
294 | ||
295 | static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) | |
296 | { | |
297 | __u8 status = *((__u8 *) skb->data); | |
298 | void *sent; | |
299 | ||
9f1db00c | 300 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
301 | |
302 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); | |
303 | if (!sent) | |
304 | return; | |
305 | ||
5c1a4c8f JK |
306 | hci_dev_lock(hdev); |
307 | ||
a9de9248 MH |
308 | if (!status) { |
309 | __u8 param = *((__u8 *) sent); | |
310 | ||
311 | if (param == AUTH_ENABLED) | |
312 | set_bit(HCI_AUTH, &hdev->flags); | |
313 | else | |
314 | clear_bit(HCI_AUTH, &hdev->flags); | |
1da177e4 | 315 | } |
a9de9248 | 316 | |
d7a5a11d | 317 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
33ef95ed | 318 | mgmt_auth_enable_complete(hdev, status); |
5c1a4c8f JK |
319 | |
320 | hci_dev_unlock(hdev); | |
1da177e4 LT |
321 | } |
322 | ||
a9de9248 | 323 | static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 324 | { |
a9de9248 | 325 | __u8 status = *((__u8 *) skb->data); |
45296acd | 326 | __u8 param; |
1da177e4 LT |
327 | void *sent; |
328 | ||
9f1db00c | 329 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 330 | |
45296acd MH |
331 | if (status) |
332 | return; | |
333 | ||
a9de9248 MH |
334 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); |
335 | if (!sent) | |
336 | return; | |
1da177e4 | 337 | |
45296acd | 338 | param = *((__u8 *) sent); |
a9de9248 | 339 | |
45296acd MH |
340 | if (param) |
341 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
342 | else | |
343 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
a9de9248 | 344 | } |
1da177e4 | 345 | |
a9de9248 MH |
346 | static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) |
347 | { | |
45296acd MH |
348 | __u8 status = *((__u8 *) skb->data); |
349 | __u8 param; | |
a9de9248 | 350 | void *sent; |
1da177e4 | 351 | |
9f1db00c | 352 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 353 | |
a9de9248 MH |
354 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); |
355 | if (!sent) | |
356 | return; | |
1da177e4 | 357 | |
36f7fc7e JH |
358 | param = *((__u8 *) sent); |
359 | ||
56e5cb86 JH |
360 | hci_dev_lock(hdev); |
361 | ||
fa1bd918 | 362 | if (status) { |
2d7cee58 JH |
363 | hdev->discov_timeout = 0; |
364 | goto done; | |
365 | } | |
366 | ||
bc6d2d04 | 367 | if (param & SCAN_INQUIRY) |
36f7fc7e | 368 | set_bit(HCI_ISCAN, &hdev->flags); |
bc6d2d04 JH |
369 | else |
370 | clear_bit(HCI_ISCAN, &hdev->flags); | |
36f7fc7e | 371 | |
031547d8 | 372 | if (param & SCAN_PAGE) |
36f7fc7e | 373 | set_bit(HCI_PSCAN, &hdev->flags); |
bc6d2d04 | 374 | else |
204e3990 | 375 | clear_bit(HCI_PSCAN, &hdev->flags); |
1da177e4 | 376 | |
36f7fc7e | 377 | done: |
56e5cb86 | 378 | hci_dev_unlock(hdev); |
a9de9248 | 379 | } |
1da177e4 | 380 | |
a9de9248 MH |
381 | static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
382 | { | |
383 | struct hci_rp_read_class_of_dev *rp = (void *) skb->data; | |
1da177e4 | 384 | |
9f1db00c | 385 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 386 | |
a9de9248 MH |
387 | if (rp->status) |
388 | return; | |
1da177e4 | 389 | |
a9de9248 | 390 | memcpy(hdev->dev_class, rp->dev_class, 3); |
1da177e4 | 391 | |
a9de9248 | 392 | BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, |
807deac2 | 393 | hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); |
a9de9248 | 394 | } |
1da177e4 | 395 | |
a9de9248 MH |
396 | static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
397 | { | |
398 | __u8 status = *((__u8 *) skb->data); | |
399 | void *sent; | |
1da177e4 | 400 | |
9f1db00c | 401 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 402 | |
a9de9248 MH |
403 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
404 | if (!sent) | |
405 | return; | |
1da177e4 | 406 | |
7f9a903c MH |
407 | hci_dev_lock(hdev); |
408 | ||
409 | if (status == 0) | |
410 | memcpy(hdev->dev_class, sent, 3); | |
411 | ||
d7a5a11d | 412 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
7f9a903c MH |
413 | mgmt_set_class_of_dev_complete(hdev, sent, status); |
414 | ||
415 | hci_dev_unlock(hdev); | |
a9de9248 | 416 | } |
1da177e4 | 417 | |
a9de9248 MH |
418 | static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) |
419 | { | |
420 | struct hci_rp_read_voice_setting *rp = (void *) skb->data; | |
421 | __u16 setting; | |
422 | ||
9f1db00c | 423 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
424 | |
425 | if (rp->status) | |
426 | return; | |
427 | ||
428 | setting = __le16_to_cpu(rp->voice_setting); | |
429 | ||
f383f275 | 430 | if (hdev->voice_setting == setting) |
a9de9248 MH |
431 | return; |
432 | ||
433 | hdev->voice_setting = setting; | |
434 | ||
9f1db00c | 435 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
a9de9248 | 436 | |
3c54711c | 437 | if (hdev->notify) |
a9de9248 | 438 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
a9de9248 MH |
439 | } |
440 | ||
8fc9ced3 GP |
441 | static void hci_cc_write_voice_setting(struct hci_dev *hdev, |
442 | struct sk_buff *skb) | |
a9de9248 MH |
443 | { |
444 | __u8 status = *((__u8 *) skb->data); | |
f383f275 | 445 | __u16 setting; |
a9de9248 MH |
446 | void *sent; |
447 | ||
9f1db00c | 448 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 449 | |
f383f275 MH |
450 | if (status) |
451 | return; | |
452 | ||
a9de9248 MH |
453 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
454 | if (!sent) | |
455 | return; | |
1da177e4 | 456 | |
f383f275 | 457 | setting = get_unaligned_le16(sent); |
1da177e4 | 458 | |
f383f275 MH |
459 | if (hdev->voice_setting == setting) |
460 | return; | |
461 | ||
462 | hdev->voice_setting = setting; | |
1da177e4 | 463 | |
9f1db00c | 464 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
1da177e4 | 465 | |
3c54711c | 466 | if (hdev->notify) |
f383f275 | 467 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
1da177e4 LT |
468 | } |
469 | ||
b4cb9fb2 MH |
470 | static void hci_cc_read_num_supported_iac(struct hci_dev *hdev, |
471 | struct sk_buff *skb) | |
472 | { | |
473 | struct hci_rp_read_num_supported_iac *rp = (void *) skb->data; | |
474 | ||
475 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
476 | ||
477 | if (rp->status) | |
478 | return; | |
479 | ||
480 | hdev->num_iac = rp->num_iac; | |
481 | ||
482 | BT_DBG("%s num iac %d", hdev->name, hdev->num_iac); | |
483 | } | |
484 | ||
333140b5 MH |
485 | static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) |
486 | { | |
487 | __u8 status = *((__u8 *) skb->data); | |
5ed8eb2f | 488 | struct hci_cp_write_ssp_mode *sent; |
333140b5 | 489 | |
9f1db00c | 490 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
333140b5 | 491 | |
333140b5 MH |
492 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); |
493 | if (!sent) | |
494 | return; | |
495 | ||
5c1a4c8f JK |
496 | hci_dev_lock(hdev); |
497 | ||
5ed8eb2f JH |
498 | if (!status) { |
499 | if (sent->mode) | |
cad718ed | 500 | hdev->features[1][0] |= LMP_HOST_SSP; |
5ed8eb2f | 501 | else |
cad718ed | 502 | hdev->features[1][0] &= ~LMP_HOST_SSP; |
5ed8eb2f JH |
503 | } |
504 | ||
d7a5a11d | 505 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
5ed8eb2f | 506 | mgmt_ssp_enable_complete(hdev, sent->mode, status); |
c0ecddc2 | 507 | else if (!status) { |
5ed8eb2f | 508 | if (sent->mode) |
a1536da2 | 509 | hci_dev_set_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 510 | else |
a358dc11 | 511 | hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 512 | } |
5c1a4c8f JK |
513 | |
514 | hci_dev_unlock(hdev); | |
333140b5 MH |
515 | } |
516 | ||
eac83dc6 MH |
517 | static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb) |
518 | { | |
519 | u8 status = *((u8 *) skb->data); | |
520 | struct hci_cp_write_sc_support *sent; | |
521 | ||
522 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
523 | ||
524 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT); | |
525 | if (!sent) | |
526 | return; | |
527 | ||
5c1a4c8f JK |
528 | hci_dev_lock(hdev); |
529 | ||
eac83dc6 MH |
530 | if (!status) { |
531 | if (sent->support) | |
532 | hdev->features[1][0] |= LMP_HOST_SC; | |
533 | else | |
534 | hdev->features[1][0] &= ~LMP_HOST_SC; | |
535 | } | |
536 | ||
d7a5a11d | 537 | if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) { |
eac83dc6 | 538 | if (sent->support) |
a1536da2 | 539 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 540 | else |
a358dc11 | 541 | hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 542 | } |
5c1a4c8f JK |
543 | |
544 | hci_dev_unlock(hdev); | |
eac83dc6 MH |
545 | } |
546 | ||
a9de9248 MH |
547 | static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) |
548 | { | |
549 | struct hci_rp_read_local_version *rp = (void *) skb->data; | |
1143e5a6 | 550 | |
9f1db00c | 551 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143e5a6 | 552 | |
a9de9248 | 553 | if (rp->status) |
42c6b129 | 554 | return; |
1143e5a6 | 555 | |
d7a5a11d MH |
556 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
557 | hci_dev_test_flag(hdev, HCI_CONFIG)) { | |
0d5551f5 MH |
558 | hdev->hci_ver = rp->hci_ver; |
559 | hdev->hci_rev = __le16_to_cpu(rp->hci_rev); | |
560 | hdev->lmp_ver = rp->lmp_ver; | |
561 | hdev->manufacturer = __le16_to_cpu(rp->manufacturer); | |
562 | hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); | |
563 | } | |
d5859e22 JH |
564 | } |
565 | ||
8fc9ced3 GP |
566 | static void hci_cc_read_local_commands(struct hci_dev *hdev, |
567 | struct sk_buff *skb) | |
a9de9248 MH |
568 | { |
569 | struct hci_rp_read_local_commands *rp = (void *) skb->data; | |
1da177e4 | 570 | |
9f1db00c | 571 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 572 | |
6a070e6e MH |
573 | if (rp->status) |
574 | return; | |
575 | ||
d7a5a11d MH |
576 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
577 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
2177bab5 | 578 | memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
a9de9248 | 579 | } |
1da177e4 | 580 | |
8fc9ced3 GP |
581 | static void hci_cc_read_local_features(struct hci_dev *hdev, |
582 | struct sk_buff *skb) | |
a9de9248 MH |
583 | { |
584 | struct hci_rp_read_local_features *rp = (void *) skb->data; | |
5b7f9909 | 585 | |
9f1db00c | 586 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 587 | |
a9de9248 MH |
588 | if (rp->status) |
589 | return; | |
5b7f9909 | 590 | |
a9de9248 | 591 | memcpy(hdev->features, rp->features, 8); |
5b7f9909 | 592 | |
a9de9248 MH |
593 | /* Adjust default settings according to features |
594 | * supported by device. */ | |
1da177e4 | 595 | |
cad718ed | 596 | if (hdev->features[0][0] & LMP_3SLOT) |
a9de9248 | 597 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); |
1da177e4 | 598 | |
cad718ed | 599 | if (hdev->features[0][0] & LMP_5SLOT) |
a9de9248 | 600 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); |
1da177e4 | 601 | |
cad718ed | 602 | if (hdev->features[0][1] & LMP_HV2) { |
a9de9248 MH |
603 | hdev->pkt_type |= (HCI_HV2); |
604 | hdev->esco_type |= (ESCO_HV2); | |
605 | } | |
1da177e4 | 606 | |
cad718ed | 607 | if (hdev->features[0][1] & LMP_HV3) { |
a9de9248 MH |
608 | hdev->pkt_type |= (HCI_HV3); |
609 | hdev->esco_type |= (ESCO_HV3); | |
610 | } | |
1da177e4 | 611 | |
45db810f | 612 | if (lmp_esco_capable(hdev)) |
a9de9248 | 613 | hdev->esco_type |= (ESCO_EV3); |
da1f5198 | 614 | |
cad718ed | 615 | if (hdev->features[0][4] & LMP_EV4) |
a9de9248 | 616 | hdev->esco_type |= (ESCO_EV4); |
da1f5198 | 617 | |
cad718ed | 618 | if (hdev->features[0][4] & LMP_EV5) |
a9de9248 | 619 | hdev->esco_type |= (ESCO_EV5); |
1da177e4 | 620 | |
cad718ed | 621 | if (hdev->features[0][5] & LMP_EDR_ESCO_2M) |
efc7688b MH |
622 | hdev->esco_type |= (ESCO_2EV3); |
623 | ||
cad718ed | 624 | if (hdev->features[0][5] & LMP_EDR_ESCO_3M) |
efc7688b MH |
625 | hdev->esco_type |= (ESCO_3EV3); |
626 | ||
cad718ed | 627 | if (hdev->features[0][5] & LMP_EDR_3S_ESCO) |
efc7688b | 628 | hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); |
a9de9248 | 629 | } |
1da177e4 | 630 | |
971e3a4b | 631 | static void hci_cc_read_local_ext_features(struct hci_dev *hdev, |
807deac2 | 632 | struct sk_buff *skb) |
971e3a4b AG |
633 | { |
634 | struct hci_rp_read_local_ext_features *rp = (void *) skb->data; | |
635 | ||
9f1db00c | 636 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
971e3a4b AG |
637 | |
638 | if (rp->status) | |
42c6b129 | 639 | return; |
971e3a4b | 640 | |
57af75a8 MH |
641 | if (hdev->max_page < rp->max_page) |
642 | hdev->max_page = rp->max_page; | |
d2c5d77f | 643 | |
cad718ed JH |
644 | if (rp->page < HCI_MAX_PAGES) |
645 | memcpy(hdev->features[rp->page], rp->features, 8); | |
971e3a4b AG |
646 | } |
647 | ||
1e89cffb | 648 | static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, |
807deac2 | 649 | struct sk_buff *skb) |
1e89cffb AE |
650 | { |
651 | struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; | |
652 | ||
9f1db00c | 653 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1e89cffb | 654 | |
45296acd MH |
655 | if (rp->status) |
656 | return; | |
657 | ||
658 | hdev->flow_ctl_mode = rp->mode; | |
1e89cffb AE |
659 | } |
660 | ||
a9de9248 MH |
661 | static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) |
662 | { | |
663 | struct hci_rp_read_buffer_size *rp = (void *) skb->data; | |
1da177e4 | 664 | |
9f1db00c | 665 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 666 | |
a9de9248 MH |
667 | if (rp->status) |
668 | return; | |
1da177e4 | 669 | |
a9de9248 MH |
670 | hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); |
671 | hdev->sco_mtu = rp->sco_mtu; | |
672 | hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); | |
673 | hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); | |
674 | ||
675 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
676 | hdev->sco_mtu = 64; | |
677 | hdev->sco_pkts = 8; | |
1da177e4 | 678 | } |
a9de9248 MH |
679 | |
680 | hdev->acl_cnt = hdev->acl_pkts; | |
681 | hdev->sco_cnt = hdev->sco_pkts; | |
682 | ||
807deac2 GP |
683 | BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu, |
684 | hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts); | |
a9de9248 MH |
685 | } |
686 | ||
687 | static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) | |
688 | { | |
689 | struct hci_rp_read_bd_addr *rp = (void *) skb->data; | |
690 | ||
9f1db00c | 691 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 | 692 | |
e30d3f5f MH |
693 | if (rp->status) |
694 | return; | |
695 | ||
696 | if (test_bit(HCI_INIT, &hdev->flags)) | |
a9de9248 | 697 | bacpy(&hdev->bdaddr, &rp->bdaddr); |
e30d3f5f | 698 | |
d7a5a11d | 699 | if (hci_dev_test_flag(hdev, HCI_SETUP)) |
e30d3f5f | 700 | bacpy(&hdev->setup_addr, &rp->bdaddr); |
23bb5763 JH |
701 | } |
702 | ||
f332ec66 JH |
703 | static void hci_cc_read_page_scan_activity(struct hci_dev *hdev, |
704 | struct sk_buff *skb) | |
705 | { | |
706 | struct hci_rp_read_page_scan_activity *rp = (void *) skb->data; | |
707 | ||
708 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
709 | ||
45296acd MH |
710 | if (rp->status) |
711 | return; | |
712 | ||
713 | if (test_bit(HCI_INIT, &hdev->flags)) { | |
f332ec66 JH |
714 | hdev->page_scan_interval = __le16_to_cpu(rp->interval); |
715 | hdev->page_scan_window = __le16_to_cpu(rp->window); | |
716 | } | |
717 | } | |
718 | ||
4a3ee763 JH |
719 | static void hci_cc_write_page_scan_activity(struct hci_dev *hdev, |
720 | struct sk_buff *skb) | |
721 | { | |
722 | u8 status = *((u8 *) skb->data); | |
723 | struct hci_cp_write_page_scan_activity *sent; | |
724 | ||
725 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
726 | ||
727 | if (status) | |
728 | return; | |
729 | ||
730 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY); | |
731 | if (!sent) | |
732 | return; | |
733 | ||
734 | hdev->page_scan_interval = __le16_to_cpu(sent->interval); | |
735 | hdev->page_scan_window = __le16_to_cpu(sent->window); | |
736 | } | |
737 | ||
f332ec66 JH |
738 | static void hci_cc_read_page_scan_type(struct hci_dev *hdev, |
739 | struct sk_buff *skb) | |
740 | { | |
741 | struct hci_rp_read_page_scan_type *rp = (void *) skb->data; | |
742 | ||
743 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
744 | ||
45296acd MH |
745 | if (rp->status) |
746 | return; | |
747 | ||
748 | if (test_bit(HCI_INIT, &hdev->flags)) | |
f332ec66 JH |
749 | hdev->page_scan_type = rp->type; |
750 | } | |
751 | ||
4a3ee763 JH |
752 | static void hci_cc_write_page_scan_type(struct hci_dev *hdev, |
753 | struct sk_buff *skb) | |
754 | { | |
755 | u8 status = *((u8 *) skb->data); | |
756 | u8 *type; | |
757 | ||
758 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
759 | ||
760 | if (status) | |
761 | return; | |
762 | ||
763 | type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE); | |
764 | if (type) | |
765 | hdev->page_scan_type = *type; | |
766 | } | |
767 | ||
350ee4cf | 768 | static void hci_cc_read_data_block_size(struct hci_dev *hdev, |
807deac2 | 769 | struct sk_buff *skb) |
350ee4cf AE |
770 | { |
771 | struct hci_rp_read_data_block_size *rp = (void *) skb->data; | |
772 | ||
9f1db00c | 773 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
350ee4cf AE |
774 | |
775 | if (rp->status) | |
776 | return; | |
777 | ||
778 | hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); | |
779 | hdev->block_len = __le16_to_cpu(rp->block_len); | |
780 | hdev->num_blocks = __le16_to_cpu(rp->num_blocks); | |
781 | ||
782 | hdev->block_cnt = hdev->num_blocks; | |
783 | ||
784 | BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, | |
807deac2 | 785 | hdev->block_cnt, hdev->block_len); |
350ee4cf AE |
786 | } |
787 | ||
33f35721 JH |
788 | static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb) |
789 | { | |
790 | struct hci_rp_read_clock *rp = (void *) skb->data; | |
791 | struct hci_cp_read_clock *cp; | |
792 | struct hci_conn *conn; | |
793 | ||
794 | BT_DBG("%s", hdev->name); | |
795 | ||
796 | if (skb->len < sizeof(*rp)) | |
797 | return; | |
798 | ||
799 | if (rp->status) | |
800 | return; | |
801 | ||
802 | hci_dev_lock(hdev); | |
803 | ||
804 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
805 | if (!cp) | |
806 | goto unlock; | |
807 | ||
808 | if (cp->which == 0x00) { | |
809 | hdev->clock = le32_to_cpu(rp->clock); | |
810 | goto unlock; | |
811 | } | |
812 | ||
813 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
814 | if (conn) { | |
815 | conn->clock = le32_to_cpu(rp->clock); | |
816 | conn->clock_accuracy = le16_to_cpu(rp->accuracy); | |
817 | } | |
818 | ||
819 | unlock: | |
820 | hci_dev_unlock(hdev); | |
821 | } | |
822 | ||
928abaa7 | 823 | static void hci_cc_read_local_amp_info(struct hci_dev *hdev, |
807deac2 | 824 | struct sk_buff *skb) |
928abaa7 AE |
825 | { |
826 | struct hci_rp_read_local_amp_info *rp = (void *) skb->data; | |
827 | ||
9f1db00c | 828 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
928abaa7 AE |
829 | |
830 | if (rp->status) | |
83927882 | 831 | return; |
928abaa7 AE |
832 | |
833 | hdev->amp_status = rp->amp_status; | |
834 | hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); | |
835 | hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); | |
836 | hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); | |
837 | hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); | |
838 | hdev->amp_type = rp->amp_type; | |
839 | hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); | |
840 | hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); | |
841 | hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); | |
842 | hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); | |
928abaa7 AE |
843 | } |
844 | ||
d5859e22 | 845 | static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, |
807deac2 | 846 | struct sk_buff *skb) |
d5859e22 | 847 | { |
91c4e9b1 | 848 | struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; |
d5859e22 | 849 | |
9f1db00c | 850 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
91c4e9b1 | 851 | |
45296acd MH |
852 | if (rp->status) |
853 | return; | |
854 | ||
855 | hdev->inq_tx_power = rp->tx_power; | |
d5859e22 JH |
856 | } |
857 | ||
980e1a53 JH |
858 | static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) |
859 | { | |
860 | struct hci_rp_pin_code_reply *rp = (void *) skb->data; | |
861 | struct hci_cp_pin_code_reply *cp; | |
862 | struct hci_conn *conn; | |
863 | ||
9f1db00c | 864 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 865 | |
56e5cb86 JH |
866 | hci_dev_lock(hdev); |
867 | ||
d7a5a11d | 868 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 869 | mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); |
980e1a53 | 870 | |
fa1bd918 | 871 | if (rp->status) |
56e5cb86 | 872 | goto unlock; |
980e1a53 JH |
873 | |
874 | cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); | |
875 | if (!cp) | |
56e5cb86 | 876 | goto unlock; |
980e1a53 JH |
877 | |
878 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
879 | if (conn) | |
880 | conn->pin_length = cp->pin_len; | |
56e5cb86 JH |
881 | |
882 | unlock: | |
883 | hci_dev_unlock(hdev); | |
980e1a53 JH |
884 | } |
885 | ||
886 | static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) | |
887 | { | |
888 | struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; | |
889 | ||
9f1db00c | 890 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 891 | |
56e5cb86 JH |
892 | hci_dev_lock(hdev); |
893 | ||
d7a5a11d | 894 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 895 | mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, |
807deac2 | 896 | rp->status); |
56e5cb86 JH |
897 | |
898 | hci_dev_unlock(hdev); | |
980e1a53 | 899 | } |
56e5cb86 | 900 | |
6ed58ec5 VT |
901 | static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, |
902 | struct sk_buff *skb) | |
903 | { | |
904 | struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; | |
905 | ||
9f1db00c | 906 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
6ed58ec5 VT |
907 | |
908 | if (rp->status) | |
909 | return; | |
910 | ||
911 | hdev->le_mtu = __le16_to_cpu(rp->le_mtu); | |
912 | hdev->le_pkts = rp->le_max_pkt; | |
913 | ||
914 | hdev->le_cnt = hdev->le_pkts; | |
915 | ||
916 | BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); | |
6ed58ec5 | 917 | } |
980e1a53 | 918 | |
60e77321 JH |
919 | static void hci_cc_le_read_local_features(struct hci_dev *hdev, |
920 | struct sk_buff *skb) | |
921 | { | |
922 | struct hci_rp_le_read_local_features *rp = (void *) skb->data; | |
923 | ||
924 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
925 | ||
45296acd MH |
926 | if (rp->status) |
927 | return; | |
928 | ||
929 | memcpy(hdev->le_features, rp->features, 8); | |
60e77321 JH |
930 | } |
931 | ||
8fa19098 JH |
932 | static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, |
933 | struct sk_buff *skb) | |
934 | { | |
935 | struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; | |
936 | ||
937 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
938 | ||
45296acd MH |
939 | if (rp->status) |
940 | return; | |
941 | ||
942 | hdev->adv_tx_power = rp->tx_power; | |
8fa19098 JH |
943 | } |
944 | ||
a5c29683 JH |
945 | static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) |
946 | { | |
947 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
948 | ||
9f1db00c | 949 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 950 | |
56e5cb86 JH |
951 | hci_dev_lock(hdev); |
952 | ||
d7a5a11d | 953 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
04124681 GP |
954 | mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, |
955 | rp->status); | |
56e5cb86 JH |
956 | |
957 | hci_dev_unlock(hdev); | |
a5c29683 JH |
958 | } |
959 | ||
960 | static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, | |
807deac2 | 961 | struct sk_buff *skb) |
a5c29683 JH |
962 | { |
963 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
964 | ||
9f1db00c | 965 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 966 | |
56e5cb86 JH |
967 | hci_dev_lock(hdev); |
968 | ||
d7a5a11d | 969 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 970 | mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 971 | ACL_LINK, 0, rp->status); |
56e5cb86 JH |
972 | |
973 | hci_dev_unlock(hdev); | |
a5c29683 JH |
974 | } |
975 | ||
1143d458 BG |
976 | static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) |
977 | { | |
978 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
979 | ||
9f1db00c | 980 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
981 | |
982 | hci_dev_lock(hdev); | |
983 | ||
d7a5a11d | 984 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 985 | mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, |
04124681 | 986 | 0, rp->status); |
1143d458 BG |
987 | |
988 | hci_dev_unlock(hdev); | |
989 | } | |
990 | ||
991 | static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, | |
807deac2 | 992 | struct sk_buff *skb) |
1143d458 BG |
993 | { |
994 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
995 | ||
9f1db00c | 996 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
997 | |
998 | hci_dev_lock(hdev); | |
999 | ||
d7a5a11d | 1000 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
1143d458 | 1001 | mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1002 | ACL_LINK, 0, rp->status); |
1143d458 BG |
1003 | |
1004 | hci_dev_unlock(hdev); | |
1005 | } | |
1006 | ||
4d2d2796 MH |
1007 | static void hci_cc_read_local_oob_data(struct hci_dev *hdev, |
1008 | struct sk_buff *skb) | |
c35938b2 SJ |
1009 | { |
1010 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; | |
1011 | ||
9f1db00c | 1012 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
4d2d2796 MH |
1013 | } |
1014 | ||
1015 | static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev, | |
1016 | struct sk_buff *skb) | |
1017 | { | |
1018 | struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; | |
1019 | ||
1020 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
c35938b2 SJ |
1021 | } |
1022 | ||
7a4cd51d MH |
1023 | static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb) |
1024 | { | |
1025 | __u8 status = *((__u8 *) skb->data); | |
1026 | bdaddr_t *sent; | |
1027 | ||
1028 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1029 | ||
45296acd MH |
1030 | if (status) |
1031 | return; | |
1032 | ||
7a4cd51d MH |
1033 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR); |
1034 | if (!sent) | |
1035 | return; | |
1036 | ||
1037 | hci_dev_lock(hdev); | |
1038 | ||
45296acd | 1039 | bacpy(&hdev->random_addr, sent); |
7a4cd51d MH |
1040 | |
1041 | hci_dev_unlock(hdev); | |
1042 | } | |
1043 | ||
c1d5dc4a JH |
1044 | static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) |
1045 | { | |
1046 | __u8 *sent, status = *((__u8 *) skb->data); | |
1047 | ||
1048 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1049 | ||
45296acd | 1050 | if (status) |
c1d5dc4a JH |
1051 | return; |
1052 | ||
45296acd MH |
1053 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); |
1054 | if (!sent) | |
3c857757 JH |
1055 | return; |
1056 | ||
c1d5dc4a JH |
1057 | hci_dev_lock(hdev); |
1058 | ||
49c922bb | 1059 | /* If we're doing connection initiation as peripheral. Set a |
3c857757 JH |
1060 | * timeout in case something goes wrong. |
1061 | */ | |
1062 | if (*sent) { | |
1063 | struct hci_conn *conn; | |
1064 | ||
a1536da2 | 1065 | hci_dev_set_flag(hdev, HCI_LE_ADV); |
66c417c1 | 1066 | |
e7d9ab73 | 1067 | conn = hci_lookup_le_connect(hdev); |
3c857757 JH |
1068 | if (conn) |
1069 | queue_delayed_work(hdev->workqueue, | |
1070 | &conn->le_conn_timeout, | |
09ae260b | 1071 | conn->conn_timeout); |
66c417c1 | 1072 | } else { |
a358dc11 | 1073 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
3c857757 JH |
1074 | } |
1075 | ||
04b4edcb | 1076 | hci_dev_unlock(hdev); |
c1d5dc4a JH |
1077 | } |
1078 | ||
533553f8 MH |
1079 | static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) |
1080 | { | |
1081 | struct hci_cp_le_set_scan_param *cp; | |
1082 | __u8 status = *((__u8 *) skb->data); | |
1083 | ||
1084 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1085 | ||
45296acd MH |
1086 | if (status) |
1087 | return; | |
1088 | ||
533553f8 MH |
1089 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM); |
1090 | if (!cp) | |
1091 | return; | |
1092 | ||
1093 | hci_dev_lock(hdev); | |
1094 | ||
45296acd | 1095 | hdev->le_scan_type = cp->type; |
533553f8 MH |
1096 | |
1097 | hci_dev_unlock(hdev); | |
1098 | } | |
1099 | ||
b9a6328f JH |
1100 | static bool has_pending_adv_report(struct hci_dev *hdev) |
1101 | { | |
1102 | struct discovery_state *d = &hdev->discovery; | |
1103 | ||
1104 | return bacmp(&d->last_adv_addr, BDADDR_ANY); | |
1105 | } | |
1106 | ||
1107 | static void clear_pending_adv_report(struct hci_dev *hdev) | |
1108 | { | |
1109 | struct discovery_state *d = &hdev->discovery; | |
1110 | ||
1111 | bacpy(&d->last_adv_addr, BDADDR_ANY); | |
1112 | d->last_adv_data_len = 0; | |
1113 | } | |
1114 | ||
1115 | static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c70a7e4c MH |
1116 | u8 bdaddr_type, s8 rssi, u32 flags, |
1117 | u8 *data, u8 len) | |
b9a6328f JH |
1118 | { |
1119 | struct discovery_state *d = &hdev->discovery; | |
1120 | ||
1121 | bacpy(&d->last_adv_addr, bdaddr); | |
1122 | d->last_adv_addr_type = bdaddr_type; | |
ff5cd29f | 1123 | d->last_adv_rssi = rssi; |
c70a7e4c | 1124 | d->last_adv_flags = flags; |
b9a6328f JH |
1125 | memcpy(d->last_adv_data, data, len); |
1126 | d->last_adv_data_len = len; | |
1127 | } | |
1128 | ||
eb9d91f5 | 1129 | static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, |
807deac2 | 1130 | struct sk_buff *skb) |
eb9d91f5 AG |
1131 | { |
1132 | struct hci_cp_le_set_scan_enable *cp; | |
1133 | __u8 status = *((__u8 *) skb->data); | |
1134 | ||
9f1db00c | 1135 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
eb9d91f5 | 1136 | |
45296acd | 1137 | if (status) |
eb9d91f5 AG |
1138 | return; |
1139 | ||
45296acd MH |
1140 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); |
1141 | if (!cp) | |
3fd319b8 AG |
1142 | return; |
1143 | ||
5c1a4c8f JK |
1144 | hci_dev_lock(hdev); |
1145 | ||
68a8aea4 | 1146 | switch (cp->enable) { |
76a388be | 1147 | case LE_SCAN_ENABLE: |
a1536da2 | 1148 | hci_dev_set_flag(hdev, HCI_LE_SCAN); |
b9a6328f JH |
1149 | if (hdev->le_scan_type == LE_SCAN_ACTIVE) |
1150 | clear_pending_adv_report(hdev); | |
68a8aea4 AE |
1151 | break; |
1152 | ||
76a388be | 1153 | case LE_SCAN_DISABLE: |
b9a6328f JH |
1154 | /* We do this here instead of when setting DISCOVERY_STOPPED |
1155 | * since the latter would potentially require waiting for | |
1156 | * inquiry to stop too. | |
1157 | */ | |
1158 | if (has_pending_adv_report(hdev)) { | |
1159 | struct discovery_state *d = &hdev->discovery; | |
1160 | ||
1161 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ab0aa433 | 1162 | d->last_adv_addr_type, NULL, |
c70a7e4c | 1163 | d->last_adv_rssi, d->last_adv_flags, |
ab0aa433 | 1164 | d->last_adv_data, |
b9a6328f JH |
1165 | d->last_adv_data_len, NULL, 0); |
1166 | } | |
1167 | ||
317ac8cb JH |
1168 | /* Cancel this timer so that we don't try to disable scanning |
1169 | * when it's already disabled. | |
1170 | */ | |
1171 | cancel_delayed_work(&hdev->le_scan_disable); | |
1172 | ||
a358dc11 | 1173 | hci_dev_clear_flag(hdev, HCI_LE_SCAN); |
e8bb6b97 | 1174 | |
81ad6fd9 JH |
1175 | /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we |
1176 | * interrupted scanning due to a connect request. Mark | |
e8bb6b97 JH |
1177 | * therefore discovery as stopped. If this was not |
1178 | * because of a connect request advertising might have | |
1179 | * been disabled because of active scanning, so | |
1180 | * re-enable it again if necessary. | |
81ad6fd9 | 1181 | */ |
a69d8927 | 1182 | if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED)) |
81ad6fd9 | 1183 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
d7a5a11d | 1184 | else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) && |
34722277 | 1185 | hdev->discovery.state == DISCOVERY_FINDING) |
f2252570 | 1186 | hci_req_reenable_advertising(hdev); |
e8bb6b97 | 1187 | |
68a8aea4 AE |
1188 | break; |
1189 | ||
1190 | default: | |
2064ee33 MH |
1191 | bt_dev_err(hdev, "use of reserved LE_Scan_Enable param %d", |
1192 | cp->enable); | |
68a8aea4 | 1193 | break; |
35815085 | 1194 | } |
5c1a4c8f JK |
1195 | |
1196 | hci_dev_unlock(hdev); | |
eb9d91f5 AG |
1197 | } |
1198 | ||
cf1d081f JH |
1199 | static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, |
1200 | struct sk_buff *skb) | |
1201 | { | |
1202 | struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; | |
1203 | ||
1204 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1205 | ||
45296acd MH |
1206 | if (rp->status) |
1207 | return; | |
1208 | ||
1209 | hdev->le_white_list_size = rp->size; | |
cf1d081f JH |
1210 | } |
1211 | ||
0f36b589 MH |
1212 | static void hci_cc_le_clear_white_list(struct hci_dev *hdev, |
1213 | struct sk_buff *skb) | |
1214 | { | |
1215 | __u8 status = *((__u8 *) skb->data); | |
1216 | ||
1217 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1218 | ||
45296acd MH |
1219 | if (status) |
1220 | return; | |
1221 | ||
dcc36c16 | 1222 | hci_bdaddr_list_clear(&hdev->le_white_list); |
0f36b589 MH |
1223 | } |
1224 | ||
1225 | static void hci_cc_le_add_to_white_list(struct hci_dev *hdev, | |
1226 | struct sk_buff *skb) | |
1227 | { | |
1228 | struct hci_cp_le_add_to_white_list *sent; | |
1229 | __u8 status = *((__u8 *) skb->data); | |
1230 | ||
1231 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1232 | ||
45296acd MH |
1233 | if (status) |
1234 | return; | |
1235 | ||
0f36b589 MH |
1236 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); |
1237 | if (!sent) | |
1238 | return; | |
1239 | ||
dcc36c16 JH |
1240 | hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr, |
1241 | sent->bdaddr_type); | |
0f36b589 MH |
1242 | } |
1243 | ||
1244 | static void hci_cc_le_del_from_white_list(struct hci_dev *hdev, | |
1245 | struct sk_buff *skb) | |
1246 | { | |
1247 | struct hci_cp_le_del_from_white_list *sent; | |
1248 | __u8 status = *((__u8 *) skb->data); | |
1249 | ||
1250 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1251 | ||
45296acd MH |
1252 | if (status) |
1253 | return; | |
1254 | ||
0f36b589 MH |
1255 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); |
1256 | if (!sent) | |
1257 | return; | |
1258 | ||
dcc36c16 JH |
1259 | hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr, |
1260 | sent->bdaddr_type); | |
0f36b589 MH |
1261 | } |
1262 | ||
9b008c04 JH |
1263 | static void hci_cc_le_read_supported_states(struct hci_dev *hdev, |
1264 | struct sk_buff *skb) | |
1265 | { | |
1266 | struct hci_rp_le_read_supported_states *rp = (void *) skb->data; | |
1267 | ||
1268 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1269 | ||
45296acd MH |
1270 | if (rp->status) |
1271 | return; | |
1272 | ||
1273 | memcpy(hdev->le_states, rp->le_states, 8); | |
9b008c04 JH |
1274 | } |
1275 | ||
a8e1bfaa MH |
1276 | static void hci_cc_le_read_def_data_len(struct hci_dev *hdev, |
1277 | struct sk_buff *skb) | |
1278 | { | |
1279 | struct hci_rp_le_read_def_data_len *rp = (void *) skb->data; | |
1280 | ||
1281 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1282 | ||
1283 | if (rp->status) | |
1284 | return; | |
1285 | ||
1286 | hdev->le_def_tx_len = le16_to_cpu(rp->tx_len); | |
1287 | hdev->le_def_tx_time = le16_to_cpu(rp->tx_time); | |
1288 | } | |
1289 | ||
1290 | static void hci_cc_le_write_def_data_len(struct hci_dev *hdev, | |
1291 | struct sk_buff *skb) | |
1292 | { | |
1293 | struct hci_cp_le_write_def_data_len *sent; | |
1294 | __u8 status = *((__u8 *) skb->data); | |
1295 | ||
1296 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1297 | ||
1298 | if (status) | |
1299 | return; | |
1300 | ||
1301 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN); | |
1302 | if (!sent) | |
1303 | return; | |
1304 | ||
1305 | hdev->le_def_tx_len = le16_to_cpu(sent->tx_len); | |
1306 | hdev->le_def_tx_time = le16_to_cpu(sent->tx_time); | |
1307 | } | |
1308 | ||
1309 | static void hci_cc_le_read_max_data_len(struct hci_dev *hdev, | |
1310 | struct sk_buff *skb) | |
1311 | { | |
1312 | struct hci_rp_le_read_max_data_len *rp = (void *) skb->data; | |
1313 | ||
1314 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1315 | ||
1316 | if (rp->status) | |
1317 | return; | |
1318 | ||
1319 | hdev->le_max_tx_len = le16_to_cpu(rp->tx_len); | |
1320 | hdev->le_max_tx_time = le16_to_cpu(rp->tx_time); | |
1321 | hdev->le_max_rx_len = le16_to_cpu(rp->rx_len); | |
1322 | hdev->le_max_rx_time = le16_to_cpu(rp->rx_time); | |
1323 | } | |
1324 | ||
6039aa73 GP |
1325 | static void hci_cc_write_le_host_supported(struct hci_dev *hdev, |
1326 | struct sk_buff *skb) | |
f9b49306 | 1327 | { |
06199cf8 | 1328 | struct hci_cp_write_le_host_supported *sent; |
f9b49306 AG |
1329 | __u8 status = *((__u8 *) skb->data); |
1330 | ||
9f1db00c | 1331 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f9b49306 | 1332 | |
45296acd MH |
1333 | if (status) |
1334 | return; | |
1335 | ||
06199cf8 | 1336 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); |
8f984dfa | 1337 | if (!sent) |
f9b49306 AG |
1338 | return; |
1339 | ||
5c1a4c8f JK |
1340 | hci_dev_lock(hdev); |
1341 | ||
45296acd MH |
1342 | if (sent->le) { |
1343 | hdev->features[1][0] |= LMP_HOST_LE; | |
a1536da2 | 1344 | hci_dev_set_flag(hdev, HCI_LE_ENABLED); |
45296acd MH |
1345 | } else { |
1346 | hdev->features[1][0] &= ~LMP_HOST_LE; | |
a358dc11 MH |
1347 | hci_dev_clear_flag(hdev, HCI_LE_ENABLED); |
1348 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); | |
8f984dfa | 1349 | } |
45296acd MH |
1350 | |
1351 | if (sent->simul) | |
1352 | hdev->features[1][0] |= LMP_HOST_LE_BREDR; | |
1353 | else | |
1354 | hdev->features[1][0] &= ~LMP_HOST_LE_BREDR; | |
5c1a4c8f JK |
1355 | |
1356 | hci_dev_unlock(hdev); | |
f9b49306 AG |
1357 | } |
1358 | ||
56ed2cb8 JH |
1359 | static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1360 | { | |
1361 | struct hci_cp_le_set_adv_param *cp; | |
1362 | u8 status = *((u8 *) skb->data); | |
1363 | ||
1364 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1365 | ||
1366 | if (status) | |
1367 | return; | |
1368 | ||
1369 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM); | |
1370 | if (!cp) | |
1371 | return; | |
1372 | ||
1373 | hci_dev_lock(hdev); | |
1374 | hdev->adv_addr_type = cp->own_address_type; | |
1375 | hci_dev_unlock(hdev); | |
1376 | } | |
1377 | ||
5ae76a94 AK |
1378 | static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) |
1379 | { | |
1380 | struct hci_rp_read_rssi *rp = (void *) skb->data; | |
1381 | struct hci_conn *conn; | |
1382 | ||
1383 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1384 | ||
1385 | if (rp->status) | |
1386 | return; | |
1387 | ||
1388 | hci_dev_lock(hdev); | |
1389 | ||
1390 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
1391 | if (conn) | |
1392 | conn->rssi = rp->rssi; | |
1393 | ||
1394 | hci_dev_unlock(hdev); | |
1395 | } | |
1396 | ||
5a134fae AK |
1397 | static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) |
1398 | { | |
1399 | struct hci_cp_read_tx_power *sent; | |
1400 | struct hci_rp_read_tx_power *rp = (void *) skb->data; | |
1401 | struct hci_conn *conn; | |
1402 | ||
1403 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1404 | ||
1405 | if (rp->status) | |
1406 | return; | |
1407 | ||
1408 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
1409 | if (!sent) | |
1410 | return; | |
1411 | ||
1412 | hci_dev_lock(hdev); | |
1413 | ||
1414 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
d0455ed9 AK |
1415 | if (!conn) |
1416 | goto unlock; | |
1417 | ||
1418 | switch (sent->type) { | |
1419 | case 0x00: | |
5a134fae | 1420 | conn->tx_power = rp->tx_power; |
d0455ed9 AK |
1421 | break; |
1422 | case 0x01: | |
1423 | conn->max_tx_power = rp->tx_power; | |
1424 | break; | |
1425 | } | |
5a134fae | 1426 | |
d0455ed9 | 1427 | unlock: |
5a134fae AK |
1428 | hci_dev_unlock(hdev); |
1429 | } | |
1430 | ||
c50b33c8 MH |
1431 | static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1432 | { | |
1433 | u8 status = *((u8 *) skb->data); | |
1434 | u8 *mode; | |
1435 | ||
1436 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1437 | ||
1438 | if (status) | |
1439 | return; | |
1440 | ||
1441 | mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE); | |
1442 | if (mode) | |
1443 | hdev->ssp_debug_mode = *mode; | |
1444 | } | |
1445 | ||
6039aa73 | 1446 | static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
a9de9248 | 1447 | { |
9f1db00c | 1448 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1449 | |
1450 | if (status) { | |
a9de9248 | 1451 | hci_conn_check_pending(hdev); |
314b2381 JH |
1452 | return; |
1453 | } | |
1454 | ||
89352e7d | 1455 | set_bit(HCI_INQUIRY, &hdev->flags); |
1da177e4 LT |
1456 | } |
1457 | ||
6039aa73 | 1458 | static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1459 | { |
a9de9248 | 1460 | struct hci_cp_create_conn *cp; |
1da177e4 | 1461 | struct hci_conn *conn; |
1da177e4 | 1462 | |
9f1db00c | 1463 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1464 | |
1465 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); | |
1da177e4 LT |
1466 | if (!cp) |
1467 | return; | |
1468 | ||
1469 | hci_dev_lock(hdev); | |
1470 | ||
1471 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
1472 | ||
6ed93dc6 | 1473 | BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); |
1da177e4 LT |
1474 | |
1475 | if (status) { | |
1476 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
1477 | if (status != 0x0c || conn->attempt > 2) { |
1478 | conn->state = BT_CLOSED; | |
539c496d | 1479 | hci_connect_cfm(conn, status); |
4c67bc74 MH |
1480 | hci_conn_del(conn); |
1481 | } else | |
1482 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
1483 | } |
1484 | } else { | |
1485 | if (!conn) { | |
a5c4e309 JH |
1486 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr, |
1487 | HCI_ROLE_MASTER); | |
1488 | if (!conn) | |
2064ee33 | 1489 | bt_dev_err(hdev, "no memory for new connection"); |
1da177e4 LT |
1490 | } |
1491 | } | |
1492 | ||
1493 | hci_dev_unlock(hdev); | |
1494 | } | |
1495 | ||
a9de9248 | 1496 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1497 | { |
a9de9248 MH |
1498 | struct hci_cp_add_sco *cp; |
1499 | struct hci_conn *acl, *sco; | |
1500 | __u16 handle; | |
1da177e4 | 1501 | |
9f1db00c | 1502 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 | 1503 | |
a9de9248 MH |
1504 | if (!status) |
1505 | return; | |
1da177e4 | 1506 | |
a9de9248 MH |
1507 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
1508 | if (!cp) | |
1509 | return; | |
1da177e4 | 1510 | |
a9de9248 | 1511 | handle = __le16_to_cpu(cp->handle); |
1da177e4 | 1512 | |
9f1db00c | 1513 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
1da177e4 | 1514 | |
a9de9248 | 1515 | hci_dev_lock(hdev); |
1da177e4 | 1516 | |
a9de9248 | 1517 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
5a08ecce AE |
1518 | if (acl) { |
1519 | sco = acl->link; | |
1520 | if (sco) { | |
1521 | sco->state = BT_CLOSED; | |
1da177e4 | 1522 | |
539c496d | 1523 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1524 | hci_conn_del(sco); |
1525 | } | |
a9de9248 | 1526 | } |
1da177e4 | 1527 | |
a9de9248 MH |
1528 | hci_dev_unlock(hdev); |
1529 | } | |
1da177e4 | 1530 | |
f8558555 MH |
1531 | static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) |
1532 | { | |
1533 | struct hci_cp_auth_requested *cp; | |
1534 | struct hci_conn *conn; | |
1535 | ||
9f1db00c | 1536 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1537 | |
1538 | if (!status) | |
1539 | return; | |
1540 | ||
1541 | cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); | |
1542 | if (!cp) | |
1543 | return; | |
1544 | ||
1545 | hci_dev_lock(hdev); | |
1546 | ||
1547 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1548 | if (conn) { | |
1549 | if (conn->state == BT_CONFIG) { | |
539c496d | 1550 | hci_connect_cfm(conn, status); |
76a68ba0 | 1551 | hci_conn_drop(conn); |
f8558555 MH |
1552 | } |
1553 | } | |
1554 | ||
1555 | hci_dev_unlock(hdev); | |
1556 | } | |
1557 | ||
1558 | static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) | |
1559 | { | |
1560 | struct hci_cp_set_conn_encrypt *cp; | |
1561 | struct hci_conn *conn; | |
1562 | ||
9f1db00c | 1563 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1564 | |
1565 | if (!status) | |
1566 | return; | |
1567 | ||
1568 | cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); | |
1569 | if (!cp) | |
1570 | return; | |
1571 | ||
1572 | hci_dev_lock(hdev); | |
1573 | ||
1574 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1575 | if (conn) { | |
1576 | if (conn->state == BT_CONFIG) { | |
539c496d | 1577 | hci_connect_cfm(conn, status); |
76a68ba0 | 1578 | hci_conn_drop(conn); |
f8558555 MH |
1579 | } |
1580 | } | |
1581 | ||
1582 | hci_dev_unlock(hdev); | |
1583 | } | |
1584 | ||
127178d2 | 1585 | static int hci_outgoing_auth_needed(struct hci_dev *hdev, |
807deac2 | 1586 | struct hci_conn *conn) |
392599b9 | 1587 | { |
392599b9 JH |
1588 | if (conn->state != BT_CONFIG || !conn->out) |
1589 | return 0; | |
1590 | ||
765c2a96 | 1591 | if (conn->pending_sec_level == BT_SECURITY_SDP) |
392599b9 JH |
1592 | return 0; |
1593 | ||
1594 | /* Only request authentication for SSP connections or non-SSP | |
264b8b4e JH |
1595 | * devices with sec_level MEDIUM or HIGH or if MITM protection |
1596 | * is requested. | |
1597 | */ | |
807deac2 | 1598 | if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && |
7e3691e1 | 1599 | conn->pending_sec_level != BT_SECURITY_FIPS && |
264b8b4e JH |
1600 | conn->pending_sec_level != BT_SECURITY_HIGH && |
1601 | conn->pending_sec_level != BT_SECURITY_MEDIUM) | |
392599b9 JH |
1602 | return 0; |
1603 | ||
392599b9 JH |
1604 | return 1; |
1605 | } | |
1606 | ||
6039aa73 | 1607 | static int hci_resolve_name(struct hci_dev *hdev, |
04124681 | 1608 | struct inquiry_entry *e) |
30dc78e1 JH |
1609 | { |
1610 | struct hci_cp_remote_name_req cp; | |
1611 | ||
1612 | memset(&cp, 0, sizeof(cp)); | |
1613 | ||
1614 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1615 | cp.pscan_rep_mode = e->data.pscan_rep_mode; | |
1616 | cp.pscan_mode = e->data.pscan_mode; | |
1617 | cp.clock_offset = e->data.clock_offset; | |
1618 | ||
1619 | return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
1620 | } | |
1621 | ||
b644ba33 | 1622 | static bool hci_resolve_next_name(struct hci_dev *hdev) |
30dc78e1 JH |
1623 | { |
1624 | struct discovery_state *discov = &hdev->discovery; | |
1625 | struct inquiry_entry *e; | |
1626 | ||
b644ba33 JH |
1627 | if (list_empty(&discov->resolve)) |
1628 | return false; | |
1629 | ||
1630 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
c810089c RM |
1631 | if (!e) |
1632 | return false; | |
1633 | ||
b644ba33 JH |
1634 | if (hci_resolve_name(hdev, e) == 0) { |
1635 | e->name_state = NAME_PENDING; | |
1636 | return true; | |
1637 | } | |
1638 | ||
1639 | return false; | |
1640 | } | |
1641 | ||
1642 | static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, | |
04124681 | 1643 | bdaddr_t *bdaddr, u8 *name, u8 name_len) |
b644ba33 JH |
1644 | { |
1645 | struct discovery_state *discov = &hdev->discovery; | |
1646 | struct inquiry_entry *e; | |
1647 | ||
60cb49d2 JH |
1648 | /* Update the mgmt connected state if necessary. Be careful with |
1649 | * conn objects that exist but are not (yet) connected however. | |
1650 | * Only those in BT_CONFIG or BT_CONNECTED states can be | |
1651 | * considered connected. | |
1652 | */ | |
1653 | if (conn && | |
1654 | (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) && | |
cb77c3ec | 1655 | !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 1656 | mgmt_device_connected(hdev, conn, 0, name, name_len); |
b644ba33 JH |
1657 | |
1658 | if (discov->state == DISCOVERY_STOPPED) | |
1659 | return; | |
1660 | ||
30dc78e1 JH |
1661 | if (discov->state == DISCOVERY_STOPPING) |
1662 | goto discov_complete; | |
1663 | ||
1664 | if (discov->state != DISCOVERY_RESOLVING) | |
1665 | return; | |
1666 | ||
1667 | e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); | |
7cc8380e RM |
1668 | /* If the device was not found in a list of found devices names of which |
1669 | * are pending. there is no need to continue resolving a next name as it | |
1670 | * will be done upon receiving another Remote Name Request Complete | |
1671 | * Event */ | |
1672 | if (!e) | |
1673 | return; | |
1674 | ||
1675 | list_del(&e->list); | |
1676 | if (name) { | |
30dc78e1 | 1677 | e->name_state = NAME_KNOWN; |
7cc8380e RM |
1678 | mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, |
1679 | e->data.rssi, name, name_len); | |
c3e7c0d9 RM |
1680 | } else { |
1681 | e->name_state = NAME_NOT_KNOWN; | |
30dc78e1 JH |
1682 | } |
1683 | ||
b644ba33 | 1684 | if (hci_resolve_next_name(hdev)) |
30dc78e1 | 1685 | return; |
30dc78e1 JH |
1686 | |
1687 | discov_complete: | |
1688 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
1689 | } | |
1690 | ||
a9de9248 MH |
1691 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
1692 | { | |
127178d2 JH |
1693 | struct hci_cp_remote_name_req *cp; |
1694 | struct hci_conn *conn; | |
1695 | ||
9f1db00c | 1696 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
127178d2 JH |
1697 | |
1698 | /* If successful wait for the name req complete event before | |
1699 | * checking for the need to do authentication */ | |
1700 | if (!status) | |
1701 | return; | |
1702 | ||
1703 | cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); | |
1704 | if (!cp) | |
1705 | return; | |
1706 | ||
1707 | hci_dev_lock(hdev); | |
1708 | ||
b644ba33 JH |
1709 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
1710 | ||
d7a5a11d | 1711 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 1712 | hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); |
30dc78e1 | 1713 | |
79c6c70c JH |
1714 | if (!conn) |
1715 | goto unlock; | |
1716 | ||
1717 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
1718 | goto unlock; | |
1719 | ||
51a8efd7 | 1720 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
c1f23a2b JB |
1721 | struct hci_cp_auth_requested auth_cp; |
1722 | ||
977f8fce JH |
1723 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); |
1724 | ||
c1f23a2b JB |
1725 | auth_cp.handle = __cpu_to_le16(conn->handle); |
1726 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, | |
1727 | sizeof(auth_cp), &auth_cp); | |
127178d2 JH |
1728 | } |
1729 | ||
79c6c70c | 1730 | unlock: |
127178d2 | 1731 | hci_dev_unlock(hdev); |
a9de9248 | 1732 | } |
1da177e4 | 1733 | |
769be974 MH |
1734 | static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) |
1735 | { | |
1736 | struct hci_cp_read_remote_features *cp; | |
1737 | struct hci_conn *conn; | |
1738 | ||
9f1db00c | 1739 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
1740 | |
1741 | if (!status) | |
1742 | return; | |
1743 | ||
1744 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); | |
1745 | if (!cp) | |
1746 | return; | |
1747 | ||
1748 | hci_dev_lock(hdev); | |
1749 | ||
1750 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1751 | if (conn) { | |
1752 | if (conn->state == BT_CONFIG) { | |
539c496d | 1753 | hci_connect_cfm(conn, status); |
76a68ba0 | 1754 | hci_conn_drop(conn); |
769be974 MH |
1755 | } |
1756 | } | |
1757 | ||
1758 | hci_dev_unlock(hdev); | |
1759 | } | |
1760 | ||
1761 | static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) | |
1762 | { | |
1763 | struct hci_cp_read_remote_ext_features *cp; | |
1764 | struct hci_conn *conn; | |
1765 | ||
9f1db00c | 1766 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
1767 | |
1768 | if (!status) | |
1769 | return; | |
1770 | ||
1771 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); | |
1772 | if (!cp) | |
1773 | return; | |
1774 | ||
1775 | hci_dev_lock(hdev); | |
1776 | ||
1777 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1778 | if (conn) { | |
1779 | if (conn->state == BT_CONFIG) { | |
539c496d | 1780 | hci_connect_cfm(conn, status); |
76a68ba0 | 1781 | hci_conn_drop(conn); |
769be974 MH |
1782 | } |
1783 | } | |
1784 | ||
1785 | hci_dev_unlock(hdev); | |
1786 | } | |
1787 | ||
a9de9248 MH |
1788 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
1789 | { | |
b6a0dc82 MH |
1790 | struct hci_cp_setup_sync_conn *cp; |
1791 | struct hci_conn *acl, *sco; | |
1792 | __u16 handle; | |
1793 | ||
9f1db00c | 1794 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 MH |
1795 | |
1796 | if (!status) | |
1797 | return; | |
1798 | ||
1799 | cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); | |
1800 | if (!cp) | |
1801 | return; | |
1802 | ||
1803 | handle = __le16_to_cpu(cp->handle); | |
1804 | ||
9f1db00c | 1805 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
b6a0dc82 MH |
1806 | |
1807 | hci_dev_lock(hdev); | |
1808 | ||
1809 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
5a08ecce AE |
1810 | if (acl) { |
1811 | sco = acl->link; | |
1812 | if (sco) { | |
1813 | sco->state = BT_CLOSED; | |
b6a0dc82 | 1814 | |
539c496d | 1815 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1816 | hci_conn_del(sco); |
1817 | } | |
b6a0dc82 MH |
1818 | } |
1819 | ||
1820 | hci_dev_unlock(hdev); | |
1da177e4 LT |
1821 | } |
1822 | ||
a9de9248 | 1823 | static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1824 | { |
a9de9248 MH |
1825 | struct hci_cp_sniff_mode *cp; |
1826 | struct hci_conn *conn; | |
1da177e4 | 1827 | |
9f1db00c | 1828 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 1829 | |
a9de9248 MH |
1830 | if (!status) |
1831 | return; | |
04837f64 | 1832 | |
a9de9248 MH |
1833 | cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
1834 | if (!cp) | |
1835 | return; | |
04837f64 | 1836 | |
a9de9248 | 1837 | hci_dev_lock(hdev); |
04837f64 | 1838 | |
a9de9248 | 1839 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 1840 | if (conn) { |
51a8efd7 | 1841 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
04837f64 | 1842 | |
51a8efd7 | 1843 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
1844 | hci_sco_setup(conn, status); |
1845 | } | |
1846 | ||
a9de9248 MH |
1847 | hci_dev_unlock(hdev); |
1848 | } | |
04837f64 | 1849 | |
a9de9248 MH |
1850 | static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) |
1851 | { | |
1852 | struct hci_cp_exit_sniff_mode *cp; | |
1853 | struct hci_conn *conn; | |
04837f64 | 1854 | |
9f1db00c | 1855 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 1856 | |
a9de9248 MH |
1857 | if (!status) |
1858 | return; | |
04837f64 | 1859 | |
a9de9248 MH |
1860 | cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
1861 | if (!cp) | |
1862 | return; | |
04837f64 | 1863 | |
a9de9248 | 1864 | hci_dev_lock(hdev); |
1da177e4 | 1865 | |
a9de9248 | 1866 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 1867 | if (conn) { |
51a8efd7 | 1868 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
1da177e4 | 1869 | |
51a8efd7 | 1870 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
1871 | hci_sco_setup(conn, status); |
1872 | } | |
1873 | ||
a9de9248 | 1874 | hci_dev_unlock(hdev); |
1da177e4 LT |
1875 | } |
1876 | ||
88c3df13 JH |
1877 | static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) |
1878 | { | |
1879 | struct hci_cp_disconnect *cp; | |
1880 | struct hci_conn *conn; | |
1881 | ||
1882 | if (!status) | |
1883 | return; | |
1884 | ||
1885 | cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); | |
1886 | if (!cp) | |
1887 | return; | |
1888 | ||
1889 | hci_dev_lock(hdev); | |
1890 | ||
1891 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1892 | if (conn) | |
1893 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
04124681 | 1894 | conn->dst_type, status); |
88c3df13 JH |
1895 | |
1896 | hci_dev_unlock(hdev); | |
1897 | } | |
1898 | ||
cb1d68f7 JH |
1899 | static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status) |
1900 | { | |
1901 | struct hci_cp_le_create_conn *cp; | |
1902 | struct hci_conn *conn; | |
1903 | ||
1904 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1905 | ||
1906 | /* All connection failure handling is taken care of by the | |
1907 | * hci_le_conn_failed function which is triggered by the HCI | |
1908 | * request completion callbacks used for connecting. | |
1909 | */ | |
1910 | if (status) | |
1911 | return; | |
1912 | ||
1913 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); | |
1914 | if (!cp) | |
1915 | return; | |
1916 | ||
1917 | hci_dev_lock(hdev); | |
1918 | ||
9d4c1cc1 JH |
1919 | conn = hci_conn_hash_lookup_le(hdev, &cp->peer_addr, |
1920 | cp->peer_addr_type); | |
cb1d68f7 JH |
1921 | if (!conn) |
1922 | goto unlock; | |
1923 | ||
1924 | /* Store the initiator and responder address information which | |
1925 | * is needed for SMP. These values will not change during the | |
1926 | * lifetime of the connection. | |
1927 | */ | |
1928 | conn->init_addr_type = cp->own_address_type; | |
1929 | if (cp->own_address_type == ADDR_LE_DEV_RANDOM) | |
1930 | bacpy(&conn->init_addr, &hdev->random_addr); | |
1931 | else | |
1932 | bacpy(&conn->init_addr, &hdev->bdaddr); | |
1933 | ||
1934 | conn->resp_addr_type = cp->peer_addr_type; | |
1935 | bacpy(&conn->resp_addr, &cp->peer_addr); | |
1936 | ||
9489eca4 JH |
1937 | /* We don't want the connection attempt to stick around |
1938 | * indefinitely since LE doesn't have a page timeout concept | |
1939 | * like BR/EDR. Set a timer for any connection that doesn't use | |
1940 | * the white list for connecting. | |
1941 | */ | |
1942 | if (cp->filter_policy == HCI_LE_USE_PEER_ADDR) | |
1943 | queue_delayed_work(conn->hdev->workqueue, | |
1944 | &conn->le_conn_timeout, | |
09ae260b | 1945 | conn->conn_timeout); |
9489eca4 | 1946 | |
cb1d68f7 JH |
1947 | unlock: |
1948 | hci_dev_unlock(hdev); | |
1949 | } | |
1950 | ||
0fe29fd1 MH |
1951 | static void hci_cs_le_read_remote_features(struct hci_dev *hdev, u8 status) |
1952 | { | |
1953 | struct hci_cp_le_read_remote_features *cp; | |
1954 | struct hci_conn *conn; | |
1955 | ||
1956 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1957 | ||
1958 | if (!status) | |
1959 | return; | |
1960 | ||
1961 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_READ_REMOTE_FEATURES); | |
1962 | if (!cp) | |
1963 | return; | |
1964 | ||
1965 | hci_dev_lock(hdev); | |
1966 | ||
1967 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1968 | if (conn) { | |
1969 | if (conn->state == BT_CONFIG) { | |
1970 | hci_connect_cfm(conn, status); | |
1971 | hci_conn_drop(conn); | |
1972 | } | |
1973 | } | |
1974 | ||
1975 | hci_dev_unlock(hdev); | |
1976 | } | |
1977 | ||
81d0c8ad JH |
1978 | static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) |
1979 | { | |
1980 | struct hci_cp_le_start_enc *cp; | |
1981 | struct hci_conn *conn; | |
1982 | ||
1983 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1984 | ||
1985 | if (!status) | |
1986 | return; | |
1987 | ||
1988 | hci_dev_lock(hdev); | |
1989 | ||
1990 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); | |
1991 | if (!cp) | |
1992 | goto unlock; | |
1993 | ||
1994 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1995 | if (!conn) | |
1996 | goto unlock; | |
1997 | ||
1998 | if (conn->state != BT_CONNECTED) | |
1999 | goto unlock; | |
2000 | ||
2001 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
2002 | hci_conn_drop(conn); | |
2003 | ||
2004 | unlock: | |
2005 | hci_dev_unlock(hdev); | |
2006 | } | |
2007 | ||
50fc85f1 KP |
2008 | static void hci_cs_switch_role(struct hci_dev *hdev, u8 status) |
2009 | { | |
2010 | struct hci_cp_switch_role *cp; | |
2011 | struct hci_conn *conn; | |
2012 | ||
2013 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2014 | ||
2015 | if (!status) | |
2016 | return; | |
2017 | ||
2018 | cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE); | |
2019 | if (!cp) | |
2020 | return; | |
2021 | ||
2022 | hci_dev_lock(hdev); | |
2023 | ||
2024 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
2025 | if (conn) | |
2026 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); | |
2027 | ||
2028 | hci_dev_unlock(hdev); | |
2029 | } | |
2030 | ||
6039aa73 | 2031 | static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 LT |
2032 | { |
2033 | __u8 status = *((__u8 *) skb->data); | |
30dc78e1 JH |
2034 | struct discovery_state *discov = &hdev->discovery; |
2035 | struct inquiry_entry *e; | |
1da177e4 | 2036 | |
9f1db00c | 2037 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 2038 | |
a9de9248 | 2039 | hci_conn_check_pending(hdev); |
89352e7d AG |
2040 | |
2041 | if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) | |
2042 | return; | |
2043 | ||
4e857c58 | 2044 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e AG |
2045 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
2046 | ||
d7a5a11d | 2047 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
30dc78e1 JH |
2048 | return; |
2049 | ||
56e5cb86 | 2050 | hci_dev_lock(hdev); |
30dc78e1 | 2051 | |
343f935b | 2052 | if (discov->state != DISCOVERY_FINDING) |
30dc78e1 JH |
2053 | goto unlock; |
2054 | ||
2055 | if (list_empty(&discov->resolve)) { | |
07d2334a JP |
2056 | /* When BR/EDR inquiry is active and no LE scanning is in |
2057 | * progress, then change discovery state to indicate completion. | |
2058 | * | |
2059 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2060 | * and the LE scan already finished, then change the discovery | |
2061 | * state to indicate completion. | |
2062 | */ | |
2063 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2064 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2065 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2066 | goto unlock; |
2067 | } | |
2068 | ||
2069 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
2070 | if (e && hci_resolve_name(hdev, e) == 0) { | |
2071 | e->name_state = NAME_PENDING; | |
2072 | hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); | |
2073 | } else { | |
07d2334a JP |
2074 | /* When BR/EDR inquiry is active and no LE scanning is in |
2075 | * progress, then change discovery state to indicate completion. | |
2076 | * | |
2077 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2078 | * and the LE scan already finished, then change the discovery | |
2079 | * state to indicate completion. | |
2080 | */ | |
2081 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2082 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2083 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2084 | } |
2085 | ||
2086 | unlock: | |
56e5cb86 | 2087 | hci_dev_unlock(hdev); |
1da177e4 LT |
2088 | } |
2089 | ||
6039aa73 | 2090 | static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2091 | { |
45bb4bf0 | 2092 | struct inquiry_data data; |
a9de9248 | 2093 | struct inquiry_info *info = (void *) (skb->data + 1); |
1da177e4 LT |
2094 | int num_rsp = *((__u8 *) skb->data); |
2095 | ||
2096 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
2097 | ||
45bb4bf0 MH |
2098 | if (!num_rsp) |
2099 | return; | |
2100 | ||
d7a5a11d | 2101 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
2102 | return; |
2103 | ||
1da177e4 | 2104 | hci_dev_lock(hdev); |
45bb4bf0 | 2105 | |
e17acd40 | 2106 | for (; num_rsp; num_rsp--, info++) { |
af58925c | 2107 | u32 flags; |
3175405b | 2108 | |
1da177e4 LT |
2109 | bacpy(&data.bdaddr, &info->bdaddr); |
2110 | data.pscan_rep_mode = info->pscan_rep_mode; | |
2111 | data.pscan_period_mode = info->pscan_period_mode; | |
2112 | data.pscan_mode = info->pscan_mode; | |
2113 | memcpy(data.dev_class, info->dev_class, 3); | |
2114 | data.clock_offset = info->clock_offset; | |
efb2513f | 2115 | data.rssi = HCI_RSSI_INVALID; |
41a96212 | 2116 | data.ssp_mode = 0x00; |
3175405b | 2117 | |
af58925c MH |
2118 | flags = hci_inquiry_cache_update(hdev, &data, false); |
2119 | ||
48264f06 | 2120 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
efb2513f MH |
2121 | info->dev_class, HCI_RSSI_INVALID, |
2122 | flags, NULL, 0, NULL, 0); | |
1da177e4 | 2123 | } |
45bb4bf0 | 2124 | |
1da177e4 LT |
2125 | hci_dev_unlock(hdev); |
2126 | } | |
2127 | ||
6039aa73 | 2128 | static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2129 | { |
a9de9248 MH |
2130 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
2131 | struct hci_conn *conn; | |
1da177e4 LT |
2132 | |
2133 | BT_DBG("%s", hdev->name); | |
2134 | ||
2135 | hci_dev_lock(hdev); | |
2136 | ||
2137 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9499237a MH |
2138 | if (!conn) { |
2139 | if (ev->link_type != SCO_LINK) | |
2140 | goto unlock; | |
2141 | ||
2142 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); | |
2143 | if (!conn) | |
2144 | goto unlock; | |
2145 | ||
2146 | conn->type = SCO_LINK; | |
2147 | } | |
1da177e4 LT |
2148 | |
2149 | if (!ev->status) { | |
2150 | conn->handle = __le16_to_cpu(ev->handle); | |
769be974 MH |
2151 | |
2152 | if (conn->type == ACL_LINK) { | |
2153 | conn->state = BT_CONFIG; | |
2154 | hci_conn_hold(conn); | |
a9ea3ed9 SJ |
2155 | |
2156 | if (!conn->out && !hci_conn_ssp_enabled(conn) && | |
2157 | !hci_find_link_key(hdev, &ev->bdaddr)) | |
2158 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
2159 | else | |
2160 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
769be974 MH |
2161 | } else |
2162 | conn->state = BT_CONNECTED; | |
1da177e4 | 2163 | |
23b9ceb7 | 2164 | hci_debugfs_create_conn(conn); |
7d0db0a3 MH |
2165 | hci_conn_add_sysfs(conn); |
2166 | ||
1da177e4 | 2167 | if (test_bit(HCI_AUTH, &hdev->flags)) |
4dae2798 | 2168 | set_bit(HCI_CONN_AUTH, &conn->flags); |
1da177e4 LT |
2169 | |
2170 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
4dae2798 | 2171 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
1da177e4 | 2172 | |
04837f64 MH |
2173 | /* Get remote features */ |
2174 | if (conn->type == ACL_LINK) { | |
2175 | struct hci_cp_read_remote_features cp; | |
2176 | cp.handle = ev->handle; | |
769be974 | 2177 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
04124681 | 2178 | sizeof(cp), &cp); |
22f433dc | 2179 | |
01b1cb87 | 2180 | hci_req_update_scan(hdev); |
04837f64 MH |
2181 | } |
2182 | ||
1da177e4 | 2183 | /* Set packet type for incoming connection */ |
d095c1eb | 2184 | if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { |
1da177e4 LT |
2185 | struct hci_cp_change_conn_ptype cp; |
2186 | cp.handle = ev->handle; | |
a8746417 | 2187 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
04124681 GP |
2188 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), |
2189 | &cp); | |
1da177e4 | 2190 | } |
17d5c04c | 2191 | } else { |
1da177e4 | 2192 | conn->state = BT_CLOSED; |
17d5c04c | 2193 | if (conn->type == ACL_LINK) |
64c7b77c | 2194 | mgmt_connect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2195 | conn->dst_type, ev->status); |
17d5c04c | 2196 | } |
1da177e4 | 2197 | |
e73439d8 MH |
2198 | if (conn->type == ACL_LINK) |
2199 | hci_sco_setup(conn, ev->status); | |
1da177e4 | 2200 | |
769be974 | 2201 | if (ev->status) { |
539c496d | 2202 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2203 | hci_conn_del(conn); |
c89b6e6b | 2204 | } else if (ev->link_type != ACL_LINK) |
539c496d | 2205 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2206 | |
a9de9248 | 2207 | unlock: |
1da177e4 | 2208 | hci_dev_unlock(hdev); |
1da177e4 | 2209 | |
a9de9248 | 2210 | hci_conn_check_pending(hdev); |
1da177e4 LT |
2211 | } |
2212 | ||
70c46425 JH |
2213 | static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr) |
2214 | { | |
2215 | struct hci_cp_reject_conn_req cp; | |
2216 | ||
2217 | bacpy(&cp.bdaddr, bdaddr); | |
2218 | cp.reason = HCI_ERROR_REJ_BAD_ADDR; | |
2219 | hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); | |
2220 | } | |
2221 | ||
6039aa73 | 2222 | static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2223 | { |
a9de9248 MH |
2224 | struct hci_ev_conn_request *ev = (void *) skb->data; |
2225 | int mask = hdev->link_mode; | |
70c46425 JH |
2226 | struct inquiry_entry *ie; |
2227 | struct hci_conn *conn; | |
20714bfe | 2228 | __u8 flags = 0; |
1da177e4 | 2229 | |
6ed93dc6 | 2230 | BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, |
807deac2 | 2231 | ev->link_type); |
1da177e4 | 2232 | |
20714bfe FD |
2233 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, |
2234 | &flags); | |
1da177e4 | 2235 | |
70c46425 JH |
2236 | if (!(mask & HCI_LM_ACCEPT)) { |
2237 | hci_reject_conn(hdev, &ev->bdaddr); | |
2238 | return; | |
2239 | } | |
2240 | ||
46c4c941 JH |
2241 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr, |
2242 | BDADDR_BREDR)) { | |
2243 | hci_reject_conn(hdev, &ev->bdaddr); | |
2244 | return; | |
2245 | } | |
2246 | ||
6a8fc95c JH |
2247 | /* Require HCI_CONNECTABLE or a whitelist entry to accept the |
2248 | * connection. These features are only touched through mgmt so | |
2249 | * only do the checks if HCI_MGMT is set. | |
2250 | */ | |
d7a5a11d MH |
2251 | if (hci_dev_test_flag(hdev, HCI_MGMT) && |
2252 | !hci_dev_test_flag(hdev, HCI_CONNECTABLE) && | |
46c4c941 JH |
2253 | !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr, |
2254 | BDADDR_BREDR)) { | |
2255 | hci_reject_conn(hdev, &ev->bdaddr); | |
2256 | return; | |
70c46425 | 2257 | } |
1da177e4 | 2258 | |
70c46425 | 2259 | /* Connection accepted */ |
b6a0dc82 | 2260 | |
70c46425 JH |
2261 | hci_dev_lock(hdev); |
2262 | ||
2263 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); | |
2264 | if (ie) | |
2265 | memcpy(ie->data.dev_class, ev->dev_class, 3); | |
c7bdd502 | 2266 | |
70c46425 JH |
2267 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, |
2268 | &ev->bdaddr); | |
2269 | if (!conn) { | |
a5c4e309 JH |
2270 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
2271 | HCI_ROLE_SLAVE); | |
a9de9248 | 2272 | if (!conn) { |
2064ee33 | 2273 | bt_dev_err(hdev, "no memory for new connection"); |
70c46425 JH |
2274 | hci_dev_unlock(hdev); |
2275 | return; | |
1da177e4 | 2276 | } |
70c46425 | 2277 | } |
b6a0dc82 | 2278 | |
70c46425 | 2279 | memcpy(conn->dev_class, ev->dev_class, 3); |
b6a0dc82 | 2280 | |
70c46425 | 2281 | hci_dev_unlock(hdev); |
1da177e4 | 2282 | |
70c46425 JH |
2283 | if (ev->link_type == ACL_LINK || |
2284 | (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { | |
2285 | struct hci_cp_accept_conn_req cp; | |
2286 | conn->state = BT_CONNECT; | |
1da177e4 | 2287 | |
70c46425 | 2288 | bacpy(&cp.bdaddr, &ev->bdaddr); |
b6a0dc82 | 2289 | |
70c46425 JH |
2290 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) |
2291 | cp.role = 0x00; /* Become master */ | |
2292 | else | |
2293 | cp.role = 0x01; /* Remain slave */ | |
b6a0dc82 | 2294 | |
70c46425 JH |
2295 | hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); |
2296 | } else if (!(flags & HCI_PROTO_DEFER)) { | |
2297 | struct hci_cp_accept_sync_conn_req cp; | |
2298 | conn->state = BT_CONNECT; | |
b6a0dc82 | 2299 | |
70c46425 JH |
2300 | bacpy(&cp.bdaddr, &ev->bdaddr); |
2301 | cp.pkt_type = cpu_to_le16(conn->pkt_type); | |
b6a0dc82 | 2302 | |
70c46425 JH |
2303 | cp.tx_bandwidth = cpu_to_le32(0x00001f40); |
2304 | cp.rx_bandwidth = cpu_to_le32(0x00001f40); | |
2305 | cp.max_latency = cpu_to_le16(0xffff); | |
2306 | cp.content_format = cpu_to_le16(hdev->voice_setting); | |
2307 | cp.retrans_effort = 0xff; | |
1da177e4 | 2308 | |
70c46425 JH |
2309 | hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp), |
2310 | &cp); | |
a9de9248 | 2311 | } else { |
70c46425 | 2312 | conn->state = BT_CONNECT2; |
539c496d | 2313 | hci_connect_cfm(conn, 0); |
1da177e4 | 2314 | } |
1da177e4 LT |
2315 | } |
2316 | ||
f0d6a0ea MA |
2317 | static u8 hci_to_mgmt_reason(u8 err) |
2318 | { | |
2319 | switch (err) { | |
2320 | case HCI_ERROR_CONNECTION_TIMEOUT: | |
2321 | return MGMT_DEV_DISCONN_TIMEOUT; | |
2322 | case HCI_ERROR_REMOTE_USER_TERM: | |
2323 | case HCI_ERROR_REMOTE_LOW_RESOURCES: | |
2324 | case HCI_ERROR_REMOTE_POWER_OFF: | |
2325 | return MGMT_DEV_DISCONN_REMOTE; | |
2326 | case HCI_ERROR_LOCAL_HOST_TERM: | |
2327 | return MGMT_DEV_DISCONN_LOCAL_HOST; | |
2328 | default: | |
2329 | return MGMT_DEV_DISCONN_UNKNOWN; | |
2330 | } | |
2331 | } | |
2332 | ||
6039aa73 | 2333 | static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 2334 | { |
a9de9248 | 2335 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
160b9251 | 2336 | u8 reason; |
9fcb18ef | 2337 | struct hci_conn_params *params; |
04837f64 | 2338 | struct hci_conn *conn; |
12d4a3b2 | 2339 | bool mgmt_connected; |
3846220b | 2340 | u8 type; |
04837f64 | 2341 | |
9f1db00c | 2342 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
2343 | |
2344 | hci_dev_lock(hdev); | |
2345 | ||
2346 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
f7520543 JH |
2347 | if (!conn) |
2348 | goto unlock; | |
7d0db0a3 | 2349 | |
abf54a50 AG |
2350 | if (ev->status) { |
2351 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
2352 | conn->dst_type, ev->status); | |
2353 | goto unlock; | |
37d9ef76 | 2354 | } |
f7520543 | 2355 | |
3846220b AG |
2356 | conn->state = BT_CLOSED; |
2357 | ||
12d4a3b2 | 2358 | mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); |
160b9251 SJ |
2359 | |
2360 | if (test_bit(HCI_CONN_AUTH_FAILURE, &conn->flags)) | |
2361 | reason = MGMT_DEV_DISCONN_AUTH_FAILURE; | |
2362 | else | |
2363 | reason = hci_to_mgmt_reason(ev->reason); | |
2364 | ||
12d4a3b2 JH |
2365 | mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, |
2366 | reason, mgmt_connected); | |
abf54a50 | 2367 | |
22f433dc JH |
2368 | if (conn->type == ACL_LINK) { |
2369 | if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) | |
2370 | hci_remove_link_key(hdev, &conn->dst); | |
2371 | ||
01b1cb87 | 2372 | hci_req_update_scan(hdev); |
22f433dc | 2373 | } |
2210246c | 2374 | |
9fcb18ef AG |
2375 | params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); |
2376 | if (params) { | |
2377 | switch (params->auto_connect) { | |
2378 | case HCI_AUTO_CONN_LINK_LOSS: | |
2379 | if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT) | |
2380 | break; | |
2381 | /* Fall through */ | |
2382 | ||
4b9e7e75 | 2383 | case HCI_AUTO_CONN_DIRECT: |
9fcb18ef | 2384 | case HCI_AUTO_CONN_ALWAYS: |
418025d1 JH |
2385 | list_del_init(¶ms->action); |
2386 | list_add(¶ms->action, &hdev->pend_le_conns); | |
2387 | hci_update_background_scan(hdev); | |
9fcb18ef AG |
2388 | break; |
2389 | ||
2390 | default: | |
2391 | break; | |
2392 | } | |
2393 | } | |
2394 | ||
3846220b | 2395 | type = conn->type; |
2210246c | 2396 | |
3a6d576b | 2397 | hci_disconn_cfm(conn, ev->reason); |
3846220b AG |
2398 | hci_conn_del(conn); |
2399 | ||
2400 | /* Re-enable advertising if necessary, since it might | |
2401 | * have been disabled by the connection. From the | |
2402 | * HCI_LE_Set_Advertise_Enable command description in | |
2403 | * the core specification (v4.0): | |
2404 | * "The Controller shall continue advertising until the Host | |
2405 | * issues an LE_Set_Advertise_Enable command with | |
2406 | * Advertising_Enable set to 0x00 (Advertising is disabled) | |
2407 | * or until a connection is created or until the Advertising | |
2408 | * is timed out due to Directed Advertising." | |
2409 | */ | |
2410 | if (type == LE_LINK) | |
f2252570 | 2411 | hci_req_reenable_advertising(hdev); |
f7520543 JH |
2412 | |
2413 | unlock: | |
04837f64 MH |
2414 | hci_dev_unlock(hdev); |
2415 | } | |
2416 | ||
6039aa73 | 2417 | static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2418 | { |
a9de9248 | 2419 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
04837f64 | 2420 | struct hci_conn *conn; |
1da177e4 | 2421 | |
9f1db00c | 2422 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2423 | |
2424 | hci_dev_lock(hdev); | |
2425 | ||
04837f64 | 2426 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
d7556e20 WR |
2427 | if (!conn) |
2428 | goto unlock; | |
2429 | ||
2430 | if (!ev->status) { | |
160b9251 SJ |
2431 | clear_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); |
2432 | ||
aa64a8b5 | 2433 | if (!hci_conn_ssp_enabled(conn) && |
807deac2 | 2434 | test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { |
2064ee33 | 2435 | bt_dev_info(hdev, "re-auth of legacy device is not possible."); |
2a611692 | 2436 | } else { |
4dae2798 | 2437 | set_bit(HCI_CONN_AUTH, &conn->flags); |
d7556e20 | 2438 | conn->sec_level = conn->pending_sec_level; |
2a611692 | 2439 | } |
d7556e20 | 2440 | } else { |
160b9251 SJ |
2441 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
2442 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); | |
2443 | ||
e1e930f5 | 2444 | mgmt_auth_failed(conn, ev->status); |
d7556e20 | 2445 | } |
1da177e4 | 2446 | |
51a8efd7 JH |
2447 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
2448 | clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); | |
1da177e4 | 2449 | |
d7556e20 | 2450 | if (conn->state == BT_CONFIG) { |
aa64a8b5 | 2451 | if (!ev->status && hci_conn_ssp_enabled(conn)) { |
d7556e20 WR |
2452 | struct hci_cp_set_conn_encrypt cp; |
2453 | cp.handle = ev->handle; | |
2454 | cp.encrypt = 0x01; | |
2455 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2456 | &cp); |
052b30b0 | 2457 | } else { |
d7556e20 | 2458 | conn->state = BT_CONNECTED; |
539c496d | 2459 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2460 | hci_conn_drop(conn); |
052b30b0 | 2461 | } |
d7556e20 WR |
2462 | } else { |
2463 | hci_auth_cfm(conn, ev->status); | |
052b30b0 | 2464 | |
d7556e20 WR |
2465 | hci_conn_hold(conn); |
2466 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 2467 | hci_conn_drop(conn); |
d7556e20 WR |
2468 | } |
2469 | ||
51a8efd7 | 2470 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { |
d7556e20 WR |
2471 | if (!ev->status) { |
2472 | struct hci_cp_set_conn_encrypt cp; | |
2473 | cp.handle = ev->handle; | |
2474 | cp.encrypt = 0x01; | |
2475 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2476 | &cp); |
d7556e20 | 2477 | } else { |
51a8efd7 | 2478 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
d7556e20 | 2479 | hci_encrypt_cfm(conn, ev->status, 0x00); |
1da177e4 LT |
2480 | } |
2481 | } | |
2482 | ||
d7556e20 | 2483 | unlock: |
1da177e4 LT |
2484 | hci_dev_unlock(hdev); |
2485 | } | |
2486 | ||
6039aa73 | 2487 | static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2488 | { |
127178d2 JH |
2489 | struct hci_ev_remote_name *ev = (void *) skb->data; |
2490 | struct hci_conn *conn; | |
2491 | ||
a9de9248 | 2492 | BT_DBG("%s", hdev->name); |
1da177e4 | 2493 | |
a9de9248 | 2494 | hci_conn_check_pending(hdev); |
127178d2 JH |
2495 | |
2496 | hci_dev_lock(hdev); | |
2497 | ||
b644ba33 | 2498 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
30dc78e1 | 2499 | |
d7a5a11d | 2500 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 2501 | goto check_auth; |
a88a9652 | 2502 | |
b644ba33 JH |
2503 | if (ev->status == 0) |
2504 | hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, | |
04124681 | 2505 | strnlen(ev->name, HCI_MAX_NAME_LENGTH)); |
b644ba33 JH |
2506 | else |
2507 | hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); | |
2508 | ||
2509 | check_auth: | |
79c6c70c JH |
2510 | if (!conn) |
2511 | goto unlock; | |
2512 | ||
2513 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2514 | goto unlock; | |
2515 | ||
51a8efd7 | 2516 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
127178d2 | 2517 | struct hci_cp_auth_requested cp; |
977f8fce JH |
2518 | |
2519 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); | |
2520 | ||
127178d2 JH |
2521 | cp.handle = __cpu_to_le16(conn->handle); |
2522 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); | |
2523 | } | |
2524 | ||
79c6c70c | 2525 | unlock: |
127178d2 | 2526 | hci_dev_unlock(hdev); |
a9de9248 MH |
2527 | } |
2528 | ||
821f3766 JH |
2529 | static void read_enc_key_size_complete(struct hci_dev *hdev, u8 status, |
2530 | u16 opcode, struct sk_buff *skb) | |
2531 | { | |
2532 | const struct hci_rp_read_enc_key_size *rp; | |
2533 | struct hci_conn *conn; | |
2534 | u16 handle; | |
2535 | ||
2536 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
2537 | ||
2538 | if (!skb || skb->len < sizeof(*rp)) { | |
2064ee33 | 2539 | bt_dev_err(hdev, "invalid read key size response"); |
821f3766 JH |
2540 | return; |
2541 | } | |
2542 | ||
2543 | rp = (void *)skb->data; | |
2544 | handle = le16_to_cpu(rp->handle); | |
2545 | ||
2546 | hci_dev_lock(hdev); | |
2547 | ||
2548 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
2549 | if (!conn) | |
2550 | goto unlock; | |
2551 | ||
2552 | /* If we fail to read the encryption key size, assume maximum | |
2553 | * (which is the same we do also when this HCI command isn't | |
2554 | * supported. | |
2555 | */ | |
2556 | if (rp->status) { | |
2064ee33 MH |
2557 | bt_dev_err(hdev, "failed to read key size for handle %u", |
2558 | handle); | |
821f3766 JH |
2559 | conn->enc_key_size = HCI_LINK_KEY_SIZE; |
2560 | } else { | |
2561 | conn->enc_key_size = rp->key_size; | |
2562 | } | |
2563 | ||
2564 | if (conn->state == BT_CONFIG) { | |
2565 | conn->state = BT_CONNECTED; | |
2566 | hci_connect_cfm(conn, 0); | |
2567 | hci_conn_drop(conn); | |
2568 | } else { | |
2569 | u8 encrypt; | |
2570 | ||
2571 | if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) | |
2572 | encrypt = 0x00; | |
5d667ef6 | 2573 | else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) |
821f3766 JH |
2574 | encrypt = 0x02; |
2575 | else | |
2576 | encrypt = 0x01; | |
2577 | ||
2578 | hci_encrypt_cfm(conn, 0, encrypt); | |
2579 | } | |
2580 | ||
2581 | unlock: | |
2582 | hci_dev_unlock(hdev); | |
2583 | } | |
2584 | ||
6039aa73 | 2585 | static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2586 | { |
2587 | struct hci_ev_encrypt_change *ev = (void *) skb->data; | |
2588 | struct hci_conn *conn; | |
2589 | ||
9f1db00c | 2590 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2591 | |
2592 | hci_dev_lock(hdev); | |
2593 | ||
04837f64 | 2594 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
dc8357cc MH |
2595 | if (!conn) |
2596 | goto unlock; | |
1da177e4 | 2597 | |
dc8357cc MH |
2598 | if (!ev->status) { |
2599 | if (ev->encrypt) { | |
2600 | /* Encryption implies authentication */ | |
4dae2798 JH |
2601 | set_bit(HCI_CONN_AUTH, &conn->flags); |
2602 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); | |
dc8357cc | 2603 | conn->sec_level = conn->pending_sec_level; |
abf76bad | 2604 | |
914a6ffe MH |
2605 | /* P-256 authentication key implies FIPS */ |
2606 | if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) | |
4dae2798 | 2607 | set_bit(HCI_CONN_FIPS, &conn->flags); |
914a6ffe | 2608 | |
abf76bad MH |
2609 | if ((conn->type == ACL_LINK && ev->encrypt == 0x02) || |
2610 | conn->type == LE_LINK) | |
2611 | set_bit(HCI_CONN_AES_CCM, &conn->flags); | |
2612 | } else { | |
4dae2798 | 2613 | clear_bit(HCI_CONN_ENCRYPT, &conn->flags); |
abf76bad MH |
2614 | clear_bit(HCI_CONN_AES_CCM, &conn->flags); |
2615 | } | |
dc8357cc | 2616 | } |
a7d7723a | 2617 | |
7ed3fa20 JH |
2618 | /* We should disregard the current RPA and generate a new one |
2619 | * whenever the encryption procedure fails. | |
2620 | */ | |
2621 | if (ev->status && conn->type == LE_LINK) | |
a1536da2 | 2622 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
7ed3fa20 | 2623 | |
dc8357cc | 2624 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
f8558555 | 2625 | |
dc8357cc | 2626 | if (ev->status && conn->state == BT_CONNECTED) { |
160b9251 SJ |
2627 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
2628 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); | |
2629 | ||
dc8357cc MH |
2630 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
2631 | hci_conn_drop(conn); | |
2632 | goto unlock; | |
1da177e4 LT |
2633 | } |
2634 | ||
035ad621 JH |
2635 | /* In Secure Connections Only mode, do not allow any connections |
2636 | * that are not encrypted with AES-CCM using a P-256 authenticated | |
2637 | * combination key. | |
2638 | */ | |
2639 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY) && | |
2640 | (!test_bit(HCI_CONN_AES_CCM, &conn->flags) || | |
2641 | conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) { | |
2642 | hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE); | |
2643 | hci_conn_drop(conn); | |
2644 | goto unlock; | |
2645 | } | |
2646 | ||
821f3766 JH |
2647 | /* Try reading the encryption key size for encrypted ACL links */ |
2648 | if (!ev->status && ev->encrypt && conn->type == ACL_LINK) { | |
2649 | struct hci_cp_read_enc_key_size cp; | |
2650 | struct hci_request req; | |
2651 | ||
2652 | /* Only send HCI_Read_Encryption_Key_Size if the | |
2653 | * controller really supports it. If it doesn't, assume | |
2654 | * the default size (16). | |
2655 | */ | |
2656 | if (!(hdev->commands[20] & 0x10)) { | |
2657 | conn->enc_key_size = HCI_LINK_KEY_SIZE; | |
2658 | goto notify; | |
2659 | } | |
2660 | ||
2661 | hci_req_init(&req, hdev); | |
2662 | ||
2663 | cp.handle = cpu_to_le16(conn->handle); | |
2664 | hci_req_add(&req, HCI_OP_READ_ENC_KEY_SIZE, sizeof(cp), &cp); | |
2665 | ||
2666 | if (hci_req_run_skb(&req, read_enc_key_size_complete)) { | |
2064ee33 | 2667 | bt_dev_err(hdev, "sending read key size failed"); |
821f3766 JH |
2668 | conn->enc_key_size = HCI_LINK_KEY_SIZE; |
2669 | goto notify; | |
2670 | } | |
2671 | ||
2672 | goto unlock; | |
2673 | } | |
2674 | ||
2675 | notify: | |
dc8357cc MH |
2676 | if (conn->state == BT_CONFIG) { |
2677 | if (!ev->status) | |
2678 | conn->state = BT_CONNECTED; | |
2679 | ||
539c496d | 2680 | hci_connect_cfm(conn, ev->status); |
dc8357cc MH |
2681 | hci_conn_drop(conn); |
2682 | } else | |
2683 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
2684 | ||
a7d7723a | 2685 | unlock: |
1da177e4 LT |
2686 | hci_dev_unlock(hdev); |
2687 | } | |
2688 | ||
6039aa73 GP |
2689 | static void hci_change_link_key_complete_evt(struct hci_dev *hdev, |
2690 | struct sk_buff *skb) | |
1da177e4 | 2691 | { |
a9de9248 | 2692 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
04837f64 | 2693 | struct hci_conn *conn; |
1da177e4 | 2694 | |
9f1db00c | 2695 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2696 | |
2697 | hci_dev_lock(hdev); | |
2698 | ||
04837f64 | 2699 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
2700 | if (conn) { |
2701 | if (!ev->status) | |
4dae2798 | 2702 | set_bit(HCI_CONN_SECURE, &conn->flags); |
1da177e4 | 2703 | |
51a8efd7 | 2704 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
1da177e4 LT |
2705 | |
2706 | hci_key_change_cfm(conn, ev->status); | |
2707 | } | |
2708 | ||
2709 | hci_dev_unlock(hdev); | |
2710 | } | |
2711 | ||
6039aa73 GP |
2712 | static void hci_remote_features_evt(struct hci_dev *hdev, |
2713 | struct sk_buff *skb) | |
1da177e4 | 2714 | { |
a9de9248 MH |
2715 | struct hci_ev_remote_features *ev = (void *) skb->data; |
2716 | struct hci_conn *conn; | |
2717 | ||
9f1db00c | 2718 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 | 2719 | |
a9de9248 MH |
2720 | hci_dev_lock(hdev); |
2721 | ||
2722 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
2723 | if (!conn) |
2724 | goto unlock; | |
769be974 | 2725 | |
ccd556fe | 2726 | if (!ev->status) |
cad718ed | 2727 | memcpy(conn->features[0], ev->features, 8); |
ccd556fe JH |
2728 | |
2729 | if (conn->state != BT_CONFIG) | |
2730 | goto unlock; | |
2731 | ||
ac363cf9 SJ |
2732 | if (!ev->status && lmp_ext_feat_capable(hdev) && |
2733 | lmp_ext_feat_capable(conn)) { | |
ccd556fe JH |
2734 | struct hci_cp_read_remote_ext_features cp; |
2735 | cp.handle = ev->handle; | |
2736 | cp.page = 0x01; | |
2737 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, | |
807deac2 | 2738 | sizeof(cp), &cp); |
392599b9 JH |
2739 | goto unlock; |
2740 | } | |
2741 | ||
671267bf | 2742 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
2743 | struct hci_cp_remote_name_req cp; |
2744 | memset(&cp, 0, sizeof(cp)); | |
2745 | bacpy(&cp.bdaddr, &conn->dst); | |
2746 | cp.pscan_rep_mode = 0x02; | |
2747 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 2748 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 2749 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 2750 | |
127178d2 | 2751 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 2752 | conn->state = BT_CONNECTED; |
539c496d | 2753 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2754 | hci_conn_drop(conn); |
769be974 | 2755 | } |
a9de9248 | 2756 | |
ccd556fe | 2757 | unlock: |
a9de9248 | 2758 | hci_dev_unlock(hdev); |
1da177e4 LT |
2759 | } |
2760 | ||
e6214487 JH |
2761 | static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, |
2762 | u16 *opcode, u8 *status, | |
2763 | hci_req_complete_t *req_complete, | |
2764 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
2765 | { |
2766 | struct hci_ev_cmd_complete *ev = (void *) skb->data; | |
a9de9248 | 2767 | |
e6214487 JH |
2768 | *opcode = __le16_to_cpu(ev->opcode); |
2769 | *status = skb->data[sizeof(*ev)]; | |
a9de9248 | 2770 | |
e6214487 | 2771 | skb_pull(skb, sizeof(*ev)); |
a9de9248 | 2772 | |
e6214487 | 2773 | switch (*opcode) { |
a9de9248 MH |
2774 | case HCI_OP_INQUIRY_CANCEL: |
2775 | hci_cc_inquiry_cancel(hdev, skb); | |
2776 | break; | |
2777 | ||
4d93483b AG |
2778 | case HCI_OP_PERIODIC_INQ: |
2779 | hci_cc_periodic_inq(hdev, skb); | |
2780 | break; | |
2781 | ||
a9de9248 MH |
2782 | case HCI_OP_EXIT_PERIODIC_INQ: |
2783 | hci_cc_exit_periodic_inq(hdev, skb); | |
2784 | break; | |
2785 | ||
2786 | case HCI_OP_REMOTE_NAME_REQ_CANCEL: | |
2787 | hci_cc_remote_name_req_cancel(hdev, skb); | |
2788 | break; | |
2789 | ||
2790 | case HCI_OP_ROLE_DISCOVERY: | |
2791 | hci_cc_role_discovery(hdev, skb); | |
2792 | break; | |
2793 | ||
e4e8e37c MH |
2794 | case HCI_OP_READ_LINK_POLICY: |
2795 | hci_cc_read_link_policy(hdev, skb); | |
2796 | break; | |
2797 | ||
a9de9248 MH |
2798 | case HCI_OP_WRITE_LINK_POLICY: |
2799 | hci_cc_write_link_policy(hdev, skb); | |
2800 | break; | |
2801 | ||
e4e8e37c MH |
2802 | case HCI_OP_READ_DEF_LINK_POLICY: |
2803 | hci_cc_read_def_link_policy(hdev, skb); | |
2804 | break; | |
2805 | ||
2806 | case HCI_OP_WRITE_DEF_LINK_POLICY: | |
2807 | hci_cc_write_def_link_policy(hdev, skb); | |
2808 | break; | |
2809 | ||
a9de9248 MH |
2810 | case HCI_OP_RESET: |
2811 | hci_cc_reset(hdev, skb); | |
2812 | break; | |
2813 | ||
c2f0f979 MH |
2814 | case HCI_OP_READ_STORED_LINK_KEY: |
2815 | hci_cc_read_stored_link_key(hdev, skb); | |
2816 | break; | |
2817 | ||
a9366120 MH |
2818 | case HCI_OP_DELETE_STORED_LINK_KEY: |
2819 | hci_cc_delete_stored_link_key(hdev, skb); | |
2820 | break; | |
2821 | ||
a9de9248 MH |
2822 | case HCI_OP_WRITE_LOCAL_NAME: |
2823 | hci_cc_write_local_name(hdev, skb); | |
2824 | break; | |
2825 | ||
2826 | case HCI_OP_READ_LOCAL_NAME: | |
2827 | hci_cc_read_local_name(hdev, skb); | |
2828 | break; | |
2829 | ||
2830 | case HCI_OP_WRITE_AUTH_ENABLE: | |
2831 | hci_cc_write_auth_enable(hdev, skb); | |
2832 | break; | |
2833 | ||
2834 | case HCI_OP_WRITE_ENCRYPT_MODE: | |
2835 | hci_cc_write_encrypt_mode(hdev, skb); | |
2836 | break; | |
2837 | ||
2838 | case HCI_OP_WRITE_SCAN_ENABLE: | |
2839 | hci_cc_write_scan_enable(hdev, skb); | |
2840 | break; | |
2841 | ||
2842 | case HCI_OP_READ_CLASS_OF_DEV: | |
2843 | hci_cc_read_class_of_dev(hdev, skb); | |
2844 | break; | |
2845 | ||
2846 | case HCI_OP_WRITE_CLASS_OF_DEV: | |
2847 | hci_cc_write_class_of_dev(hdev, skb); | |
2848 | break; | |
2849 | ||
2850 | case HCI_OP_READ_VOICE_SETTING: | |
2851 | hci_cc_read_voice_setting(hdev, skb); | |
2852 | break; | |
2853 | ||
2854 | case HCI_OP_WRITE_VOICE_SETTING: | |
2855 | hci_cc_write_voice_setting(hdev, skb); | |
2856 | break; | |
2857 | ||
b4cb9fb2 MH |
2858 | case HCI_OP_READ_NUM_SUPPORTED_IAC: |
2859 | hci_cc_read_num_supported_iac(hdev, skb); | |
2860 | break; | |
2861 | ||
333140b5 MH |
2862 | case HCI_OP_WRITE_SSP_MODE: |
2863 | hci_cc_write_ssp_mode(hdev, skb); | |
2864 | break; | |
2865 | ||
eac83dc6 MH |
2866 | case HCI_OP_WRITE_SC_SUPPORT: |
2867 | hci_cc_write_sc_support(hdev, skb); | |
2868 | break; | |
2869 | ||
a9de9248 MH |
2870 | case HCI_OP_READ_LOCAL_VERSION: |
2871 | hci_cc_read_local_version(hdev, skb); | |
2872 | break; | |
2873 | ||
2874 | case HCI_OP_READ_LOCAL_COMMANDS: | |
2875 | hci_cc_read_local_commands(hdev, skb); | |
2876 | break; | |
2877 | ||
2878 | case HCI_OP_READ_LOCAL_FEATURES: | |
2879 | hci_cc_read_local_features(hdev, skb); | |
2880 | break; | |
2881 | ||
971e3a4b AG |
2882 | case HCI_OP_READ_LOCAL_EXT_FEATURES: |
2883 | hci_cc_read_local_ext_features(hdev, skb); | |
2884 | break; | |
2885 | ||
a9de9248 MH |
2886 | case HCI_OP_READ_BUFFER_SIZE: |
2887 | hci_cc_read_buffer_size(hdev, skb); | |
2888 | break; | |
2889 | ||
2890 | case HCI_OP_READ_BD_ADDR: | |
2891 | hci_cc_read_bd_addr(hdev, skb); | |
2892 | break; | |
2893 | ||
f332ec66 JH |
2894 | case HCI_OP_READ_PAGE_SCAN_ACTIVITY: |
2895 | hci_cc_read_page_scan_activity(hdev, skb); | |
2896 | break; | |
2897 | ||
4a3ee763 JH |
2898 | case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: |
2899 | hci_cc_write_page_scan_activity(hdev, skb); | |
2900 | break; | |
2901 | ||
f332ec66 JH |
2902 | case HCI_OP_READ_PAGE_SCAN_TYPE: |
2903 | hci_cc_read_page_scan_type(hdev, skb); | |
2904 | break; | |
2905 | ||
4a3ee763 JH |
2906 | case HCI_OP_WRITE_PAGE_SCAN_TYPE: |
2907 | hci_cc_write_page_scan_type(hdev, skb); | |
2908 | break; | |
2909 | ||
350ee4cf AE |
2910 | case HCI_OP_READ_DATA_BLOCK_SIZE: |
2911 | hci_cc_read_data_block_size(hdev, skb); | |
2912 | break; | |
2913 | ||
1e89cffb AE |
2914 | case HCI_OP_READ_FLOW_CONTROL_MODE: |
2915 | hci_cc_read_flow_control_mode(hdev, skb); | |
2916 | break; | |
2917 | ||
928abaa7 AE |
2918 | case HCI_OP_READ_LOCAL_AMP_INFO: |
2919 | hci_cc_read_local_amp_info(hdev, skb); | |
2920 | break; | |
2921 | ||
33f35721 JH |
2922 | case HCI_OP_READ_CLOCK: |
2923 | hci_cc_read_clock(hdev, skb); | |
2924 | break; | |
2925 | ||
d5859e22 JH |
2926 | case HCI_OP_READ_INQ_RSP_TX_POWER: |
2927 | hci_cc_read_inq_rsp_tx_power(hdev, skb); | |
2928 | break; | |
2929 | ||
980e1a53 JH |
2930 | case HCI_OP_PIN_CODE_REPLY: |
2931 | hci_cc_pin_code_reply(hdev, skb); | |
2932 | break; | |
2933 | ||
2934 | case HCI_OP_PIN_CODE_NEG_REPLY: | |
2935 | hci_cc_pin_code_neg_reply(hdev, skb); | |
2936 | break; | |
2937 | ||
c35938b2 | 2938 | case HCI_OP_READ_LOCAL_OOB_DATA: |
4d2d2796 MH |
2939 | hci_cc_read_local_oob_data(hdev, skb); |
2940 | break; | |
2941 | ||
2942 | case HCI_OP_READ_LOCAL_OOB_EXT_DATA: | |
2943 | hci_cc_read_local_oob_ext_data(hdev, skb); | |
c35938b2 SJ |
2944 | break; |
2945 | ||
6ed58ec5 VT |
2946 | case HCI_OP_LE_READ_BUFFER_SIZE: |
2947 | hci_cc_le_read_buffer_size(hdev, skb); | |
2948 | break; | |
2949 | ||
60e77321 JH |
2950 | case HCI_OP_LE_READ_LOCAL_FEATURES: |
2951 | hci_cc_le_read_local_features(hdev, skb); | |
2952 | break; | |
2953 | ||
8fa19098 JH |
2954 | case HCI_OP_LE_READ_ADV_TX_POWER: |
2955 | hci_cc_le_read_adv_tx_power(hdev, skb); | |
2956 | break; | |
2957 | ||
a5c29683 JH |
2958 | case HCI_OP_USER_CONFIRM_REPLY: |
2959 | hci_cc_user_confirm_reply(hdev, skb); | |
2960 | break; | |
2961 | ||
2962 | case HCI_OP_USER_CONFIRM_NEG_REPLY: | |
2963 | hci_cc_user_confirm_neg_reply(hdev, skb); | |
2964 | break; | |
2965 | ||
1143d458 BG |
2966 | case HCI_OP_USER_PASSKEY_REPLY: |
2967 | hci_cc_user_passkey_reply(hdev, skb); | |
2968 | break; | |
2969 | ||
2970 | case HCI_OP_USER_PASSKEY_NEG_REPLY: | |
2971 | hci_cc_user_passkey_neg_reply(hdev, skb); | |
16cde993 | 2972 | break; |
07f7fa5d | 2973 | |
7a4cd51d MH |
2974 | case HCI_OP_LE_SET_RANDOM_ADDR: |
2975 | hci_cc_le_set_random_addr(hdev, skb); | |
2976 | break; | |
2977 | ||
c1d5dc4a JH |
2978 | case HCI_OP_LE_SET_ADV_ENABLE: |
2979 | hci_cc_le_set_adv_enable(hdev, skb); | |
2980 | break; | |
2981 | ||
533553f8 MH |
2982 | case HCI_OP_LE_SET_SCAN_PARAM: |
2983 | hci_cc_le_set_scan_param(hdev, skb); | |
2984 | break; | |
2985 | ||
eb9d91f5 AG |
2986 | case HCI_OP_LE_SET_SCAN_ENABLE: |
2987 | hci_cc_le_set_scan_enable(hdev, skb); | |
2988 | break; | |
2989 | ||
cf1d081f JH |
2990 | case HCI_OP_LE_READ_WHITE_LIST_SIZE: |
2991 | hci_cc_le_read_white_list_size(hdev, skb); | |
2992 | break; | |
2993 | ||
0f36b589 MH |
2994 | case HCI_OP_LE_CLEAR_WHITE_LIST: |
2995 | hci_cc_le_clear_white_list(hdev, skb); | |
2996 | break; | |
2997 | ||
2998 | case HCI_OP_LE_ADD_TO_WHITE_LIST: | |
2999 | hci_cc_le_add_to_white_list(hdev, skb); | |
3000 | break; | |
3001 | ||
3002 | case HCI_OP_LE_DEL_FROM_WHITE_LIST: | |
3003 | hci_cc_le_del_from_white_list(hdev, skb); | |
3004 | break; | |
3005 | ||
9b008c04 JH |
3006 | case HCI_OP_LE_READ_SUPPORTED_STATES: |
3007 | hci_cc_le_read_supported_states(hdev, skb); | |
3008 | break; | |
3009 | ||
a8e1bfaa MH |
3010 | case HCI_OP_LE_READ_DEF_DATA_LEN: |
3011 | hci_cc_le_read_def_data_len(hdev, skb); | |
3012 | break; | |
3013 | ||
3014 | case HCI_OP_LE_WRITE_DEF_DATA_LEN: | |
3015 | hci_cc_le_write_def_data_len(hdev, skb); | |
3016 | break; | |
3017 | ||
3018 | case HCI_OP_LE_READ_MAX_DATA_LEN: | |
3019 | hci_cc_le_read_max_data_len(hdev, skb); | |
3020 | break; | |
3021 | ||
f9b49306 AG |
3022 | case HCI_OP_WRITE_LE_HOST_SUPPORTED: |
3023 | hci_cc_write_le_host_supported(hdev, skb); | |
3024 | break; | |
3025 | ||
56ed2cb8 JH |
3026 | case HCI_OP_LE_SET_ADV_PARAM: |
3027 | hci_cc_set_adv_param(hdev, skb); | |
3028 | break; | |
3029 | ||
5ae76a94 AK |
3030 | case HCI_OP_READ_RSSI: |
3031 | hci_cc_read_rssi(hdev, skb); | |
3032 | break; | |
3033 | ||
5a134fae AK |
3034 | case HCI_OP_READ_TX_POWER: |
3035 | hci_cc_read_tx_power(hdev, skb); | |
3036 | break; | |
3037 | ||
c50b33c8 MH |
3038 | case HCI_OP_WRITE_SSP_DEBUG_MODE: |
3039 | hci_cc_write_ssp_debug_mode(hdev, skb); | |
3040 | break; | |
3041 | ||
a9de9248 | 3042 | default: |
e6214487 | 3043 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3044 | break; |
3045 | } | |
3046 | ||
e6214487 | 3047 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3048 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3049 | |
600b2150 JH |
3050 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3051 | atomic_set(&hdev->cmd_cnt, 1); | |
3052 | ||
e6214487 JH |
3053 | hci_req_cmd_complete(hdev, *opcode, *status, req_complete, |
3054 | req_complete_skb); | |
9238f36a | 3055 | |
600b2150 JH |
3056 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3057 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3058 | } |
3059 | ||
e6214487 JH |
3060 | static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3061 | u16 *opcode, u8 *status, | |
3062 | hci_req_complete_t *req_complete, | |
3063 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3064 | { |
3065 | struct hci_ev_cmd_status *ev = (void *) skb->data; | |
a9de9248 MH |
3066 | |
3067 | skb_pull(skb, sizeof(*ev)); | |
3068 | ||
e6214487 JH |
3069 | *opcode = __le16_to_cpu(ev->opcode); |
3070 | *status = ev->status; | |
a9de9248 | 3071 | |
e6214487 | 3072 | switch (*opcode) { |
a9de9248 MH |
3073 | case HCI_OP_INQUIRY: |
3074 | hci_cs_inquiry(hdev, ev->status); | |
3075 | break; | |
3076 | ||
3077 | case HCI_OP_CREATE_CONN: | |
3078 | hci_cs_create_conn(hdev, ev->status); | |
3079 | break; | |
3080 | ||
9645c76c KP |
3081 | case HCI_OP_DISCONNECT: |
3082 | hci_cs_disconnect(hdev, ev->status); | |
3083 | break; | |
3084 | ||
a9de9248 MH |
3085 | case HCI_OP_ADD_SCO: |
3086 | hci_cs_add_sco(hdev, ev->status); | |
3087 | break; | |
3088 | ||
f8558555 MH |
3089 | case HCI_OP_AUTH_REQUESTED: |
3090 | hci_cs_auth_requested(hdev, ev->status); | |
3091 | break; | |
3092 | ||
3093 | case HCI_OP_SET_CONN_ENCRYPT: | |
3094 | hci_cs_set_conn_encrypt(hdev, ev->status); | |
3095 | break; | |
3096 | ||
a9de9248 MH |
3097 | case HCI_OP_REMOTE_NAME_REQ: |
3098 | hci_cs_remote_name_req(hdev, ev->status); | |
3099 | break; | |
3100 | ||
769be974 MH |
3101 | case HCI_OP_READ_REMOTE_FEATURES: |
3102 | hci_cs_read_remote_features(hdev, ev->status); | |
3103 | break; | |
3104 | ||
3105 | case HCI_OP_READ_REMOTE_EXT_FEATURES: | |
3106 | hci_cs_read_remote_ext_features(hdev, ev->status); | |
3107 | break; | |
3108 | ||
a9de9248 MH |
3109 | case HCI_OP_SETUP_SYNC_CONN: |
3110 | hci_cs_setup_sync_conn(hdev, ev->status); | |
3111 | break; | |
3112 | ||
3113 | case HCI_OP_SNIFF_MODE: | |
3114 | hci_cs_sniff_mode(hdev, ev->status); | |
3115 | break; | |
3116 | ||
3117 | case HCI_OP_EXIT_SNIFF_MODE: | |
3118 | hci_cs_exit_sniff_mode(hdev, ev->status); | |
3119 | break; | |
3120 | ||
50fc85f1 KP |
3121 | case HCI_OP_SWITCH_ROLE: |
3122 | hci_cs_switch_role(hdev, ev->status); | |
3123 | break; | |
3124 | ||
cb1d68f7 JH |
3125 | case HCI_OP_LE_CREATE_CONN: |
3126 | hci_cs_le_create_conn(hdev, ev->status); | |
3127 | break; | |
3128 | ||
0fe29fd1 MH |
3129 | case HCI_OP_LE_READ_REMOTE_FEATURES: |
3130 | hci_cs_le_read_remote_features(hdev, ev->status); | |
3131 | break; | |
3132 | ||
81d0c8ad JH |
3133 | case HCI_OP_LE_START_ENC: |
3134 | hci_cs_le_start_enc(hdev, ev->status); | |
3135 | break; | |
3136 | ||
a9de9248 | 3137 | default: |
e6214487 | 3138 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3139 | break; |
3140 | } | |
3141 | ||
e6214487 | 3142 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3143 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3144 | |
600b2150 JH |
3145 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3146 | atomic_set(&hdev->cmd_cnt, 1); | |
3147 | ||
444c6dd5 JH |
3148 | /* Indicate request completion if the command failed. Also, if |
3149 | * we're not waiting for a special event and we get a success | |
3150 | * command status we should try to flag the request as completed | |
3151 | * (since for this kind of commands there will not be a command | |
3152 | * complete event). | |
3153 | */ | |
02350a72 | 3154 | if (ev->status || |
242c0ebd | 3155 | (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->hci.req_event)) |
e6214487 JH |
3156 | hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete, |
3157 | req_complete_skb); | |
9238f36a | 3158 | |
600b2150 JH |
3159 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3160 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3161 | } |
3162 | ||
24dfa343 MH |
3163 | static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb) |
3164 | { | |
3165 | struct hci_ev_hardware_error *ev = (void *) skb->data; | |
3166 | ||
c7741d16 MH |
3167 | hdev->hw_error_code = ev->code; |
3168 | ||
3169 | queue_work(hdev->req_workqueue, &hdev->error_reset); | |
24dfa343 MH |
3170 | } |
3171 | ||
6039aa73 | 3172 | static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3173 | { |
3174 | struct hci_ev_role_change *ev = (void *) skb->data; | |
3175 | struct hci_conn *conn; | |
3176 | ||
9f1db00c | 3177 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 MH |
3178 | |
3179 | hci_dev_lock(hdev); | |
3180 | ||
3181 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3182 | if (conn) { | |
40bef302 JH |
3183 | if (!ev->status) |
3184 | conn->role = ev->role; | |
a9de9248 | 3185 | |
51a8efd7 | 3186 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); |
a9de9248 MH |
3187 | |
3188 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
3189 | } | |
3190 | ||
3191 | hci_dev_unlock(hdev); | |
3192 | } | |
3193 | ||
6039aa73 | 3194 | static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3195 | { |
3196 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; | |
a9de9248 MH |
3197 | int i; |
3198 | ||
32ac5b9b | 3199 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { |
2064ee33 | 3200 | bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); |
32ac5b9b AE |
3201 | return; |
3202 | } | |
3203 | ||
c5993de8 | 3204 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + |
807deac2 | 3205 | ev->num_hndl * sizeof(struct hci_comp_pkts_info)) { |
a9de9248 MH |
3206 | BT_DBG("%s bad parameters", hdev->name); |
3207 | return; | |
3208 | } | |
3209 | ||
c5993de8 AE |
3210 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); |
3211 | ||
613a1c0c AE |
3212 | for (i = 0; i < ev->num_hndl; i++) { |
3213 | struct hci_comp_pkts_info *info = &ev->handles[i]; | |
a9de9248 MH |
3214 | struct hci_conn *conn; |
3215 | __u16 handle, count; | |
3216 | ||
613a1c0c AE |
3217 | handle = __le16_to_cpu(info->handle); |
3218 | count = __le16_to_cpu(info->count); | |
a9de9248 MH |
3219 | |
3220 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
f4280918 AE |
3221 | if (!conn) |
3222 | continue; | |
3223 | ||
3224 | conn->sent -= count; | |
3225 | ||
3226 | switch (conn->type) { | |
3227 | case ACL_LINK: | |
3228 | hdev->acl_cnt += count; | |
3229 | if (hdev->acl_cnt > hdev->acl_pkts) | |
3230 | hdev->acl_cnt = hdev->acl_pkts; | |
3231 | break; | |
3232 | ||
3233 | case LE_LINK: | |
3234 | if (hdev->le_pkts) { | |
3235 | hdev->le_cnt += count; | |
3236 | if (hdev->le_cnt > hdev->le_pkts) | |
3237 | hdev->le_cnt = hdev->le_pkts; | |
3238 | } else { | |
70f23020 AE |
3239 | hdev->acl_cnt += count; |
3240 | if (hdev->acl_cnt > hdev->acl_pkts) | |
a9de9248 | 3241 | hdev->acl_cnt = hdev->acl_pkts; |
a9de9248 | 3242 | } |
f4280918 AE |
3243 | break; |
3244 | ||
3245 | case SCO_LINK: | |
3246 | hdev->sco_cnt += count; | |
3247 | if (hdev->sco_cnt > hdev->sco_pkts) | |
3248 | hdev->sco_cnt = hdev->sco_pkts; | |
3249 | break; | |
3250 | ||
3251 | default: | |
2064ee33 MH |
3252 | bt_dev_err(hdev, "unknown type %d conn %p", |
3253 | conn->type, conn); | |
f4280918 | 3254 | break; |
a9de9248 MH |
3255 | } |
3256 | } | |
3257 | ||
3eff45ea | 3258 | queue_work(hdev->workqueue, &hdev->tx_work); |
a9de9248 MH |
3259 | } |
3260 | ||
76ef7cf7 AE |
3261 | static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, |
3262 | __u16 handle) | |
3263 | { | |
3264 | struct hci_chan *chan; | |
3265 | ||
3266 | switch (hdev->dev_type) { | |
ca8bee5d | 3267 | case HCI_PRIMARY: |
76ef7cf7 AE |
3268 | return hci_conn_hash_lookup_handle(hdev, handle); |
3269 | case HCI_AMP: | |
3270 | chan = hci_chan_lookup_handle(hdev, handle); | |
3271 | if (chan) | |
3272 | return chan->conn; | |
3273 | break; | |
3274 | default: | |
2064ee33 | 3275 | bt_dev_err(hdev, "unknown dev_type %d", hdev->dev_type); |
76ef7cf7 AE |
3276 | break; |
3277 | } | |
3278 | ||
3279 | return NULL; | |
3280 | } | |
3281 | ||
6039aa73 | 3282 | static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) |
25e89e99 AE |
3283 | { |
3284 | struct hci_ev_num_comp_blocks *ev = (void *) skb->data; | |
3285 | int i; | |
3286 | ||
3287 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { | |
2064ee33 | 3288 | bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); |
25e89e99 AE |
3289 | return; |
3290 | } | |
3291 | ||
3292 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + | |
807deac2 | 3293 | ev->num_hndl * sizeof(struct hci_comp_blocks_info)) { |
25e89e99 AE |
3294 | BT_DBG("%s bad parameters", hdev->name); |
3295 | return; | |
3296 | } | |
3297 | ||
3298 | BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, | |
807deac2 | 3299 | ev->num_hndl); |
25e89e99 AE |
3300 | |
3301 | for (i = 0; i < ev->num_hndl; i++) { | |
3302 | struct hci_comp_blocks_info *info = &ev->handles[i]; | |
76ef7cf7 | 3303 | struct hci_conn *conn = NULL; |
25e89e99 AE |
3304 | __u16 handle, block_count; |
3305 | ||
3306 | handle = __le16_to_cpu(info->handle); | |
3307 | block_count = __le16_to_cpu(info->blocks); | |
3308 | ||
76ef7cf7 | 3309 | conn = __hci_conn_lookup_handle(hdev, handle); |
25e89e99 AE |
3310 | if (!conn) |
3311 | continue; | |
3312 | ||
3313 | conn->sent -= block_count; | |
3314 | ||
3315 | switch (conn->type) { | |
3316 | case ACL_LINK: | |
bd1eb66b | 3317 | case AMP_LINK: |
25e89e99 AE |
3318 | hdev->block_cnt += block_count; |
3319 | if (hdev->block_cnt > hdev->num_blocks) | |
3320 | hdev->block_cnt = hdev->num_blocks; | |
3321 | break; | |
3322 | ||
3323 | default: | |
2064ee33 MH |
3324 | bt_dev_err(hdev, "unknown type %d conn %p", |
3325 | conn->type, conn); | |
25e89e99 AE |
3326 | break; |
3327 | } | |
3328 | } | |
3329 | ||
3330 | queue_work(hdev->workqueue, &hdev->tx_work); | |
3331 | } | |
3332 | ||
6039aa73 | 3333 | static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 3334 | { |
a9de9248 | 3335 | struct hci_ev_mode_change *ev = (void *) skb->data; |
04837f64 MH |
3336 | struct hci_conn *conn; |
3337 | ||
9f1db00c | 3338 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
3339 | |
3340 | hci_dev_lock(hdev); | |
3341 | ||
3342 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
a9de9248 MH |
3343 | if (conn) { |
3344 | conn->mode = ev->mode; | |
a9de9248 | 3345 | |
8fc9ced3 GP |
3346 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, |
3347 | &conn->flags)) { | |
a9de9248 | 3348 | if (conn->mode == HCI_CM_ACTIVE) |
58a681ef | 3349 | set_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3350 | else |
58a681ef | 3351 | clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3352 | } |
e73439d8 | 3353 | |
51a8efd7 | 3354 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 | 3355 | hci_sco_setup(conn, ev->status); |
04837f64 MH |
3356 | } |
3357 | ||
3358 | hci_dev_unlock(hdev); | |
3359 | } | |
3360 | ||
6039aa73 | 3361 | static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3362 | { |
052b30b0 MH |
3363 | struct hci_ev_pin_code_req *ev = (void *) skb->data; |
3364 | struct hci_conn *conn; | |
3365 | ||
a9de9248 | 3366 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3367 | |
3368 | hci_dev_lock(hdev); | |
3369 | ||
3370 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
b6f98044 WR |
3371 | if (!conn) |
3372 | goto unlock; | |
3373 | ||
3374 | if (conn->state == BT_CONNECTED) { | |
052b30b0 MH |
3375 | hci_conn_hold(conn); |
3376 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
76a68ba0 | 3377 | hci_conn_drop(conn); |
052b30b0 MH |
3378 | } |
3379 | ||
d7a5a11d | 3380 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE) && |
2f407f0a | 3381 | !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) { |
03b555e1 | 3382 | hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
807deac2 | 3383 | sizeof(ev->bdaddr), &ev->bdaddr); |
d7a5a11d | 3384 | } else if (hci_dev_test_flag(hdev, HCI_MGMT)) { |
a770bb5a WR |
3385 | u8 secure; |
3386 | ||
3387 | if (conn->pending_sec_level == BT_SECURITY_HIGH) | |
3388 | secure = 1; | |
3389 | else | |
3390 | secure = 0; | |
3391 | ||
744cf19e | 3392 | mgmt_pin_code_request(hdev, &ev->bdaddr, secure); |
a770bb5a | 3393 | } |
980e1a53 | 3394 | |
b6f98044 | 3395 | unlock: |
052b30b0 | 3396 | hci_dev_unlock(hdev); |
a9de9248 MH |
3397 | } |
3398 | ||
cb6f3f7a JH |
3399 | static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len) |
3400 | { | |
3401 | if (key_type == HCI_LK_CHANGED_COMBINATION) | |
3402 | return; | |
3403 | ||
3404 | conn->pin_length = pin_len; | |
3405 | conn->key_type = key_type; | |
3406 | ||
3407 | switch (key_type) { | |
3408 | case HCI_LK_LOCAL_UNIT: | |
3409 | case HCI_LK_REMOTE_UNIT: | |
3410 | case HCI_LK_DEBUG_COMBINATION: | |
3411 | return; | |
3412 | case HCI_LK_COMBINATION: | |
3413 | if (pin_len == 16) | |
3414 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3415 | else | |
3416 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3417 | break; | |
3418 | case HCI_LK_UNAUTH_COMBINATION_P192: | |
3419 | case HCI_LK_UNAUTH_COMBINATION_P256: | |
3420 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3421 | break; | |
3422 | case HCI_LK_AUTH_COMBINATION_P192: | |
3423 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3424 | break; | |
3425 | case HCI_LK_AUTH_COMBINATION_P256: | |
3426 | conn->pending_sec_level = BT_SECURITY_FIPS; | |
3427 | break; | |
3428 | } | |
3429 | } | |
3430 | ||
6039aa73 | 3431 | static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3432 | { |
55ed8ca1 JH |
3433 | struct hci_ev_link_key_req *ev = (void *) skb->data; |
3434 | struct hci_cp_link_key_reply cp; | |
3435 | struct hci_conn *conn; | |
3436 | struct link_key *key; | |
3437 | ||
a9de9248 | 3438 | BT_DBG("%s", hdev->name); |
55ed8ca1 | 3439 | |
d7a5a11d | 3440 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
55ed8ca1 JH |
3441 | return; |
3442 | ||
3443 | hci_dev_lock(hdev); | |
3444 | ||
3445 | key = hci_find_link_key(hdev, &ev->bdaddr); | |
3446 | if (!key) { | |
6ed93dc6 AE |
3447 | BT_DBG("%s link key not found for %pMR", hdev->name, |
3448 | &ev->bdaddr); | |
55ed8ca1 JH |
3449 | goto not_found; |
3450 | } | |
3451 | ||
6ed93dc6 AE |
3452 | BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, |
3453 | &ev->bdaddr); | |
55ed8ca1 | 3454 | |
55ed8ca1 | 3455 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
60b83f57 | 3456 | if (conn) { |
fe8bc5ac JH |
3457 | clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
3458 | ||
66138ce8 MH |
3459 | if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || |
3460 | key->type == HCI_LK_UNAUTH_COMBINATION_P256) && | |
807deac2 | 3461 | conn->auth_type != 0xff && (conn->auth_type & 0x01)) { |
60b83f57 WR |
3462 | BT_DBG("%s ignoring unauthenticated key", hdev->name); |
3463 | goto not_found; | |
3464 | } | |
55ed8ca1 | 3465 | |
60b83f57 | 3466 | if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && |
f3fb0b58 JH |
3467 | (conn->pending_sec_level == BT_SECURITY_HIGH || |
3468 | conn->pending_sec_level == BT_SECURITY_FIPS)) { | |
8fc9ced3 GP |
3469 | BT_DBG("%s ignoring key unauthenticated for high security", |
3470 | hdev->name); | |
60b83f57 WR |
3471 | goto not_found; |
3472 | } | |
3473 | ||
cb6f3f7a | 3474 | conn_set_key(conn, key->type, key->pin_len); |
55ed8ca1 JH |
3475 | } |
3476 | ||
3477 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9b3b4460 | 3478 | memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); |
55ed8ca1 JH |
3479 | |
3480 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); | |
3481 | ||
3482 | hci_dev_unlock(hdev); | |
3483 | ||
3484 | return; | |
3485 | ||
3486 | not_found: | |
3487 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); | |
3488 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3489 | } |
3490 | ||
6039aa73 | 3491 | static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3492 | { |
052b30b0 MH |
3493 | struct hci_ev_link_key_notify *ev = (void *) skb->data; |
3494 | struct hci_conn *conn; | |
7652ff6a JH |
3495 | struct link_key *key; |
3496 | bool persistent; | |
55ed8ca1 | 3497 | u8 pin_len = 0; |
052b30b0 | 3498 | |
a9de9248 | 3499 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3500 | |
3501 | hci_dev_lock(hdev); | |
3502 | ||
3503 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
82c13d42 JH |
3504 | if (!conn) |
3505 | goto unlock; | |
3506 | ||
3507 | hci_conn_hold(conn); | |
3508 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
3509 | hci_conn_drop(conn); | |
3510 | ||
fe8bc5ac | 3511 | set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
82c13d42 | 3512 | conn_set_key(conn, ev->key_type, conn->pin_length); |
052b30b0 | 3513 | |
d7a5a11d | 3514 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7652ff6a JH |
3515 | goto unlock; |
3516 | ||
3517 | key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key, | |
3518 | ev->key_type, pin_len, &persistent); | |
3519 | if (!key) | |
3520 | goto unlock; | |
3521 | ||
cb6f3f7a JH |
3522 | /* Update connection information since adding the key will have |
3523 | * fixed up the type in the case of changed combination keys. | |
3524 | */ | |
3525 | if (ev->key_type == HCI_LK_CHANGED_COMBINATION) | |
3526 | conn_set_key(conn, key->type, key->pin_len); | |
3527 | ||
7652ff6a | 3528 | mgmt_new_link_key(hdev, key, persistent); |
55ed8ca1 | 3529 | |
6d5650c4 JH |
3530 | /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag |
3531 | * is set. If it's not set simply remove the key from the kernel | |
3532 | * list (we've still notified user space about it but with | |
3533 | * store_hint being 0). | |
3534 | */ | |
3535 | if (key->type == HCI_LK_DEBUG_COMBINATION && | |
d7a5a11d | 3536 | !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) { |
0378b597 JH |
3537 | list_del_rcu(&key->list); |
3538 | kfree_rcu(key, rcu); | |
82c13d42 | 3539 | goto unlock; |
6d5650c4 | 3540 | } |
7652ff6a | 3541 | |
82c13d42 JH |
3542 | if (persistent) |
3543 | clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3544 | else | |
3545 | set_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3546 | ||
7652ff6a | 3547 | unlock: |
052b30b0 | 3548 | hci_dev_unlock(hdev); |
a9de9248 MH |
3549 | } |
3550 | ||
6039aa73 | 3551 | static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 3552 | { |
a9de9248 | 3553 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
04837f64 | 3554 | struct hci_conn *conn; |
1da177e4 | 3555 | |
9f1db00c | 3556 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3557 | |
3558 | hci_dev_lock(hdev); | |
3559 | ||
04837f64 | 3560 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
3561 | if (conn && !ev->status) { |
3562 | struct inquiry_entry *ie; | |
3563 | ||
cc11b9c1 AE |
3564 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
3565 | if (ie) { | |
1da177e4 LT |
3566 | ie->data.clock_offset = ev->clock_offset; |
3567 | ie->timestamp = jiffies; | |
3568 | } | |
3569 | } | |
3570 | ||
3571 | hci_dev_unlock(hdev); | |
3572 | } | |
3573 | ||
6039aa73 | 3574 | static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a8746417 MH |
3575 | { |
3576 | struct hci_ev_pkt_type_change *ev = (void *) skb->data; | |
3577 | struct hci_conn *conn; | |
3578 | ||
9f1db00c | 3579 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a8746417 MH |
3580 | |
3581 | hci_dev_lock(hdev); | |
3582 | ||
3583 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
3584 | if (conn && !ev->status) | |
3585 | conn->pkt_type = __le16_to_cpu(ev->pkt_type); | |
3586 | ||
3587 | hci_dev_unlock(hdev); | |
3588 | } | |
3589 | ||
6039aa73 | 3590 | static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
85a1e930 | 3591 | { |
a9de9248 | 3592 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
85a1e930 MH |
3593 | struct inquiry_entry *ie; |
3594 | ||
3595 | BT_DBG("%s", hdev->name); | |
3596 | ||
3597 | hci_dev_lock(hdev); | |
3598 | ||
cc11b9c1 AE |
3599 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
3600 | if (ie) { | |
85a1e930 MH |
3601 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
3602 | ie->timestamp = jiffies; | |
3603 | } | |
3604 | ||
3605 | hci_dev_unlock(hdev); | |
3606 | } | |
3607 | ||
6039aa73 GP |
3608 | static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, |
3609 | struct sk_buff *skb) | |
a9de9248 MH |
3610 | { |
3611 | struct inquiry_data data; | |
3612 | int num_rsp = *((__u8 *) skb->data); | |
3613 | ||
3614 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
3615 | ||
3616 | if (!num_rsp) | |
3617 | return; | |
3618 | ||
d7a5a11d | 3619 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
3620 | return; |
3621 | ||
a9de9248 MH |
3622 | hci_dev_lock(hdev); |
3623 | ||
3624 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
138d22ef SJ |
3625 | struct inquiry_info_with_rssi_and_pscan_mode *info; |
3626 | info = (void *) (skb->data + 1); | |
a9de9248 | 3627 | |
e17acd40 | 3628 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3629 | u32 flags; |
3630 | ||
a9de9248 MH |
3631 | bacpy(&data.bdaddr, &info->bdaddr); |
3632 | data.pscan_rep_mode = info->pscan_rep_mode; | |
3633 | data.pscan_period_mode = info->pscan_period_mode; | |
3634 | data.pscan_mode = info->pscan_mode; | |
3635 | memcpy(data.dev_class, info->dev_class, 3); | |
3636 | data.clock_offset = info->clock_offset; | |
3637 | data.rssi = info->rssi; | |
41a96212 | 3638 | data.ssp_mode = 0x00; |
3175405b | 3639 | |
af58925c MH |
3640 | flags = hci_inquiry_cache_update(hdev, &data, false); |
3641 | ||
48264f06 | 3642 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 3643 | info->dev_class, info->rssi, |
af58925c | 3644 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
3645 | } |
3646 | } else { | |
3647 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); | |
3648 | ||
e17acd40 | 3649 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3650 | u32 flags; |
3651 | ||
a9de9248 MH |
3652 | bacpy(&data.bdaddr, &info->bdaddr); |
3653 | data.pscan_rep_mode = info->pscan_rep_mode; | |
3654 | data.pscan_period_mode = info->pscan_period_mode; | |
3655 | data.pscan_mode = 0x00; | |
3656 | memcpy(data.dev_class, info->dev_class, 3); | |
3657 | data.clock_offset = info->clock_offset; | |
3658 | data.rssi = info->rssi; | |
41a96212 | 3659 | data.ssp_mode = 0x00; |
af58925c MH |
3660 | |
3661 | flags = hci_inquiry_cache_update(hdev, &data, false); | |
3662 | ||
48264f06 | 3663 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 3664 | info->dev_class, info->rssi, |
af58925c | 3665 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
3666 | } |
3667 | } | |
3668 | ||
3669 | hci_dev_unlock(hdev); | |
3670 | } | |
3671 | ||
6039aa73 GP |
3672 | static void hci_remote_ext_features_evt(struct hci_dev *hdev, |
3673 | struct sk_buff *skb) | |
a9de9248 | 3674 | { |
41a96212 MH |
3675 | struct hci_ev_remote_ext_features *ev = (void *) skb->data; |
3676 | struct hci_conn *conn; | |
3677 | ||
a9de9248 | 3678 | BT_DBG("%s", hdev->name); |
41a96212 | 3679 | |
41a96212 MH |
3680 | hci_dev_lock(hdev); |
3681 | ||
3682 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
3683 | if (!conn) |
3684 | goto unlock; | |
41a96212 | 3685 | |
cad718ed JH |
3686 | if (ev->page < HCI_MAX_PAGES) |
3687 | memcpy(conn->features[ev->page], ev->features, 8); | |
3688 | ||
ccd556fe JH |
3689 | if (!ev->status && ev->page == 0x01) { |
3690 | struct inquiry_entry *ie; | |
41a96212 | 3691 | |
cc11b9c1 AE |
3692 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
3693 | if (ie) | |
02b7cc62 | 3694 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
769be974 | 3695 | |
bbb0eada | 3696 | if (ev->features[0] & LMP_HOST_SSP) { |
58a681ef | 3697 | set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
bbb0eada JK |
3698 | } else { |
3699 | /* It is mandatory by the Bluetooth specification that | |
3700 | * Extended Inquiry Results are only used when Secure | |
3701 | * Simple Pairing is enabled, but some devices violate | |
3702 | * this. | |
3703 | * | |
3704 | * To make these devices work, the internal SSP | |
3705 | * enabled flag needs to be cleared if the remote host | |
3706 | * features do not indicate SSP support */ | |
3707 | clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
3708 | } | |
eb9a8f3f MH |
3709 | |
3710 | if (ev->features[0] & LMP_HOST_SC) | |
3711 | set_bit(HCI_CONN_SC_ENABLED, &conn->flags); | |
ccd556fe JH |
3712 | } |
3713 | ||
3714 | if (conn->state != BT_CONFIG) | |
3715 | goto unlock; | |
3716 | ||
671267bf | 3717 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
3718 | struct hci_cp_remote_name_req cp; |
3719 | memset(&cp, 0, sizeof(cp)); | |
3720 | bacpy(&cp.bdaddr, &conn->dst); | |
3721 | cp.pscan_rep_mode = 0x02; | |
3722 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 3723 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 3724 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 3725 | |
127178d2 | 3726 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 3727 | conn->state = BT_CONNECTED; |
539c496d | 3728 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3729 | hci_conn_drop(conn); |
41a96212 MH |
3730 | } |
3731 | ||
ccd556fe | 3732 | unlock: |
41a96212 | 3733 | hci_dev_unlock(hdev); |
a9de9248 MH |
3734 | } |
3735 | ||
6039aa73 GP |
3736 | static void hci_sync_conn_complete_evt(struct hci_dev *hdev, |
3737 | struct sk_buff *skb) | |
a9de9248 | 3738 | { |
b6a0dc82 MH |
3739 | struct hci_ev_sync_conn_complete *ev = (void *) skb->data; |
3740 | struct hci_conn *conn; | |
3741 | ||
9f1db00c | 3742 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
b6a0dc82 MH |
3743 | |
3744 | hci_dev_lock(hdev); | |
3745 | ||
3746 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9dc0a3af MH |
3747 | if (!conn) { |
3748 | if (ev->link_type == ESCO_LINK) | |
3749 | goto unlock; | |
3750 | ||
618353b1 KP |
3751 | /* When the link type in the event indicates SCO connection |
3752 | * and lookup of the connection object fails, then check | |
3753 | * if an eSCO connection object exists. | |
3754 | * | |
3755 | * The core limits the synchronous connections to either | |
3756 | * SCO or eSCO. The eSCO connection is preferred and tried | |
3757 | * to be setup first and until successfully established, | |
3758 | * the link type will be hinted as eSCO. | |
3759 | */ | |
9dc0a3af MH |
3760 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); |
3761 | if (!conn) | |
3762 | goto unlock; | |
9dc0a3af | 3763 | } |
b6a0dc82 | 3764 | |
732547f9 MH |
3765 | switch (ev->status) { |
3766 | case 0x00: | |
b6a0dc82 MH |
3767 | conn->handle = __le16_to_cpu(ev->handle); |
3768 | conn->state = BT_CONNECTED; | |
618353b1 | 3769 | conn->type = ev->link_type; |
7d0db0a3 | 3770 | |
23b9ceb7 | 3771 | hci_debugfs_create_conn(conn); |
7d0db0a3 | 3772 | hci_conn_add_sysfs(conn); |
732547f9 MH |
3773 | break; |
3774 | ||
81218d20 | 3775 | case 0x10: /* Connection Accept Timeout */ |
1a4c958c | 3776 | case 0x0d: /* Connection Rejected due to Limited Resources */ |
705e5711 | 3777 | case 0x11: /* Unsupported Feature or Parameter Value */ |
732547f9 | 3778 | case 0x1c: /* SCO interval rejected */ |
1038a00b | 3779 | case 0x1a: /* Unsupported Remote Feature */ |
732547f9 | 3780 | case 0x1f: /* Unspecified error */ |
27539bc4 | 3781 | case 0x20: /* Unsupported LMP Parameter value */ |
2dea632f | 3782 | if (conn->out) { |
732547f9 MH |
3783 | conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
3784 | (hdev->esco_type & EDR_ESCO_MASK); | |
2dea632f FD |
3785 | if (hci_setup_sync(conn, conn->link->handle)) |
3786 | goto unlock; | |
732547f9 MH |
3787 | } |
3788 | /* fall through */ | |
3789 | ||
3790 | default: | |
b6a0dc82 | 3791 | conn->state = BT_CLOSED; |
732547f9 MH |
3792 | break; |
3793 | } | |
b6a0dc82 | 3794 | |
539c496d | 3795 | hci_connect_cfm(conn, ev->status); |
b6a0dc82 MH |
3796 | if (ev->status) |
3797 | hci_conn_del(conn); | |
3798 | ||
3799 | unlock: | |
3800 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3801 | } |
3802 | ||
efdcf8e3 MH |
3803 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
3804 | { | |
3805 | size_t parsed = 0; | |
3806 | ||
3807 | while (parsed < eir_len) { | |
3808 | u8 field_len = eir[0]; | |
3809 | ||
3810 | if (field_len == 0) | |
3811 | return parsed; | |
3812 | ||
3813 | parsed += field_len + 1; | |
3814 | eir += field_len + 1; | |
3815 | } | |
3816 | ||
3817 | return eir_len; | |
3818 | } | |
3819 | ||
6039aa73 GP |
3820 | static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, |
3821 | struct sk_buff *skb) | |
1da177e4 | 3822 | { |
a9de9248 MH |
3823 | struct inquiry_data data; |
3824 | struct extended_inquiry_info *info = (void *) (skb->data + 1); | |
3825 | int num_rsp = *((__u8 *) skb->data); | |
9d939d94 | 3826 | size_t eir_len; |
1da177e4 | 3827 | |
a9de9248 | 3828 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
1da177e4 | 3829 | |
a9de9248 MH |
3830 | if (!num_rsp) |
3831 | return; | |
1da177e4 | 3832 | |
d7a5a11d | 3833 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
3834 | return; |
3835 | ||
a9de9248 MH |
3836 | hci_dev_lock(hdev); |
3837 | ||
e17acd40 | 3838 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3839 | u32 flags; |
3840 | bool name_known; | |
561aafbc | 3841 | |
a9de9248 | 3842 | bacpy(&data.bdaddr, &info->bdaddr); |
138d22ef SJ |
3843 | data.pscan_rep_mode = info->pscan_rep_mode; |
3844 | data.pscan_period_mode = info->pscan_period_mode; | |
3845 | data.pscan_mode = 0x00; | |
a9de9248 | 3846 | memcpy(data.dev_class, info->dev_class, 3); |
138d22ef SJ |
3847 | data.clock_offset = info->clock_offset; |
3848 | data.rssi = info->rssi; | |
41a96212 | 3849 | data.ssp_mode = 0x01; |
561aafbc | 3850 | |
d7a5a11d | 3851 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
0d3b7f64 JH |
3852 | name_known = eir_get_data(info->data, |
3853 | sizeof(info->data), | |
3854 | EIR_NAME_COMPLETE, NULL); | |
561aafbc JH |
3855 | else |
3856 | name_known = true; | |
3857 | ||
af58925c MH |
3858 | flags = hci_inquiry_cache_update(hdev, &data, name_known); |
3859 | ||
9d939d94 | 3860 | eir_len = eir_get_length(info->data, sizeof(info->data)); |
af58925c | 3861 | |
48264f06 | 3862 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
af58925c MH |
3863 | info->dev_class, info->rssi, |
3864 | flags, info->data, eir_len, NULL, 0); | |
a9de9248 MH |
3865 | } |
3866 | ||
3867 | hci_dev_unlock(hdev); | |
3868 | } | |
1da177e4 | 3869 | |
1c2e0041 JH |
3870 | static void hci_key_refresh_complete_evt(struct hci_dev *hdev, |
3871 | struct sk_buff *skb) | |
3872 | { | |
3873 | struct hci_ev_key_refresh_complete *ev = (void *) skb->data; | |
3874 | struct hci_conn *conn; | |
3875 | ||
9f1db00c | 3876 | BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, |
1c2e0041 JH |
3877 | __le16_to_cpu(ev->handle)); |
3878 | ||
3879 | hci_dev_lock(hdev); | |
3880 | ||
3881 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
3882 | if (!conn) | |
3883 | goto unlock; | |
3884 | ||
9eb1fbfa JH |
3885 | /* For BR/EDR the necessary steps are taken through the |
3886 | * auth_complete event. | |
3887 | */ | |
3888 | if (conn->type != LE_LINK) | |
3889 | goto unlock; | |
3890 | ||
1c2e0041 JH |
3891 | if (!ev->status) |
3892 | conn->sec_level = conn->pending_sec_level; | |
3893 | ||
3894 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); | |
3895 | ||
3896 | if (ev->status && conn->state == BT_CONNECTED) { | |
bed71748 | 3897 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
76a68ba0 | 3898 | hci_conn_drop(conn); |
1c2e0041 JH |
3899 | goto unlock; |
3900 | } | |
3901 | ||
3902 | if (conn->state == BT_CONFIG) { | |
3903 | if (!ev->status) | |
3904 | conn->state = BT_CONNECTED; | |
3905 | ||
539c496d | 3906 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3907 | hci_conn_drop(conn); |
1c2e0041 JH |
3908 | } else { |
3909 | hci_auth_cfm(conn, ev->status); | |
3910 | ||
3911 | hci_conn_hold(conn); | |
3912 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 3913 | hci_conn_drop(conn); |
1c2e0041 JH |
3914 | } |
3915 | ||
3916 | unlock: | |
3917 | hci_dev_unlock(hdev); | |
3918 | } | |
3919 | ||
6039aa73 | 3920 | static u8 hci_get_auth_req(struct hci_conn *conn) |
17fa4b9d | 3921 | { |
17fa4b9d | 3922 | /* If remote requests no-bonding follow that lead */ |
acabae96 MA |
3923 | if (conn->remote_auth == HCI_AT_NO_BONDING || |
3924 | conn->remote_auth == HCI_AT_NO_BONDING_MITM) | |
58797bf7 | 3925 | return conn->remote_auth | (conn->auth_type & 0x01); |
17fa4b9d | 3926 | |
b7f94c88 MA |
3927 | /* If both remote and local have enough IO capabilities, require |
3928 | * MITM protection | |
3929 | */ | |
3930 | if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT && | |
3931 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) | |
3932 | return conn->remote_auth | 0x01; | |
3933 | ||
7e74170a TM |
3934 | /* No MITM protection possible so ignore remote requirement */ |
3935 | return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); | |
17fa4b9d JH |
3936 | } |
3937 | ||
a83ed81e MH |
3938 | static u8 bredr_oob_data_present(struct hci_conn *conn) |
3939 | { | |
3940 | struct hci_dev *hdev = conn->hdev; | |
3941 | struct oob_data *data; | |
3942 | ||
3943 | data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR); | |
3944 | if (!data) | |
3945 | return 0x00; | |
3946 | ||
455c2ff0 MH |
3947 | if (bredr_sc_enabled(hdev)) { |
3948 | /* When Secure Connections is enabled, then just | |
3949 | * return the present value stored with the OOB | |
3950 | * data. The stored value contains the right present | |
3951 | * information. However it can only be trusted when | |
3952 | * not in Secure Connection Only mode. | |
3953 | */ | |
3954 | if (!hci_dev_test_flag(hdev, HCI_SC_ONLY)) | |
3955 | return data->present; | |
659c7fb0 | 3956 | |
455c2ff0 MH |
3957 | /* When Secure Connections Only mode is enabled, then |
3958 | * the P-256 values are required. If they are not | |
3959 | * available, then do not declare that OOB data is | |
3960 | * present. | |
659c7fb0 | 3961 | */ |
455c2ff0 MH |
3962 | if (!memcmp(data->rand256, ZERO_KEY, 16) || |
3963 | !memcmp(data->hash256, ZERO_KEY, 16)) | |
659c7fb0 MH |
3964 | return 0x00; |
3965 | ||
455c2ff0 | 3966 | return 0x02; |
659c7fb0 | 3967 | } |
a83ed81e | 3968 | |
455c2ff0 MH |
3969 | /* When Secure Connections is not enabled or actually |
3970 | * not supported by the hardware, then check that if | |
3971 | * P-192 data values are present. | |
3972 | */ | |
3973 | if (!memcmp(data->rand192, ZERO_KEY, 16) || | |
3974 | !memcmp(data->hash192, ZERO_KEY, 16)) | |
3975 | return 0x00; | |
3976 | ||
3977 | return 0x01; | |
a83ed81e MH |
3978 | } |
3979 | ||
6039aa73 | 3980 | static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
0493684e MH |
3981 | { |
3982 | struct hci_ev_io_capa_request *ev = (void *) skb->data; | |
3983 | struct hci_conn *conn; | |
3984 | ||
3985 | BT_DBG("%s", hdev->name); | |
3986 | ||
3987 | hci_dev_lock(hdev); | |
3988 | ||
3989 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
03b555e1 JH |
3990 | if (!conn) |
3991 | goto unlock; | |
3992 | ||
3993 | hci_conn_hold(conn); | |
3994 | ||
d7a5a11d | 3995 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
03b555e1 JH |
3996 | goto unlock; |
3997 | ||
2f407f0a JH |
3998 | /* Allow pairing if we're pairable, the initiators of the |
3999 | * pairing or if the remote is not requesting bonding. | |
4000 | */ | |
d7a5a11d | 4001 | if (hci_dev_test_flag(hdev, HCI_BONDABLE) || |
2f407f0a | 4002 | test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) || |
807deac2 | 4003 | (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { |
17fa4b9d JH |
4004 | struct hci_cp_io_capability_reply cp; |
4005 | ||
4006 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
7a7f1e7c HG |
4007 | /* Change the IO capability from KeyboardDisplay |
4008 | * to DisplayYesNo as it is not supported by BT spec. */ | |
4009 | cp.capability = (conn->io_capability == 0x04) ? | |
a767631a | 4010 | HCI_IO_DISPLAY_YESNO : conn->io_capability; |
b7f94c88 MA |
4011 | |
4012 | /* If we are initiators, there is no remote information yet */ | |
4013 | if (conn->remote_auth == 0xff) { | |
b16c6604 | 4014 | /* Request MITM protection if our IO caps allow it |
4ad51a75 | 4015 | * except for the no-bonding case. |
b16c6604 | 4016 | */ |
6fd6b915 | 4017 | if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
9f743d74 | 4018 | conn->auth_type != HCI_AT_NO_BONDING) |
6c53823a | 4019 | conn->auth_type |= 0x01; |
b7f94c88 MA |
4020 | } else { |
4021 | conn->auth_type = hci_get_auth_req(conn); | |
b7f94c88 | 4022 | } |
17fa4b9d | 4023 | |
82c295b1 JH |
4024 | /* If we're not bondable, force one of the non-bondable |
4025 | * authentication requirement values. | |
4026 | */ | |
d7a5a11d | 4027 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE)) |
82c295b1 JH |
4028 | conn->auth_type &= HCI_AT_NO_BONDING_MITM; |
4029 | ||
4030 | cp.authentication = conn->auth_type; | |
a83ed81e | 4031 | cp.oob_data = bredr_oob_data_present(conn); |
ce85ee13 | 4032 | |
17fa4b9d | 4033 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, |
807deac2 | 4034 | sizeof(cp), &cp); |
03b555e1 JH |
4035 | } else { |
4036 | struct hci_cp_io_capability_neg_reply cp; | |
4037 | ||
4038 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9f5a0d7b | 4039 | cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; |
0493684e | 4040 | |
03b555e1 | 4041 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, |
807deac2 | 4042 | sizeof(cp), &cp); |
03b555e1 JH |
4043 | } |
4044 | ||
4045 | unlock: | |
4046 | hci_dev_unlock(hdev); | |
4047 | } | |
4048 | ||
6039aa73 | 4049 | static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) |
03b555e1 JH |
4050 | { |
4051 | struct hci_ev_io_capa_reply *ev = (void *) skb->data; | |
4052 | struct hci_conn *conn; | |
4053 | ||
4054 | BT_DBG("%s", hdev->name); | |
4055 | ||
4056 | hci_dev_lock(hdev); | |
4057 | ||
4058 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4059 | if (!conn) | |
4060 | goto unlock; | |
4061 | ||
03b555e1 | 4062 | conn->remote_cap = ev->capability; |
03b555e1 JH |
4063 | conn->remote_auth = ev->authentication; |
4064 | ||
4065 | unlock: | |
0493684e MH |
4066 | hci_dev_unlock(hdev); |
4067 | } | |
4068 | ||
6039aa73 GP |
4069 | static void hci_user_confirm_request_evt(struct hci_dev *hdev, |
4070 | struct sk_buff *skb) | |
a5c29683 JH |
4071 | { |
4072 | struct hci_ev_user_confirm_req *ev = (void *) skb->data; | |
55bc1a37 | 4073 | int loc_mitm, rem_mitm, confirm_hint = 0; |
7a828908 | 4074 | struct hci_conn *conn; |
a5c29683 JH |
4075 | |
4076 | BT_DBG("%s", hdev->name); | |
4077 | ||
4078 | hci_dev_lock(hdev); | |
4079 | ||
d7a5a11d | 4080 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7a828908 | 4081 | goto unlock; |
a5c29683 | 4082 | |
7a828908 JH |
4083 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4084 | if (!conn) | |
4085 | goto unlock; | |
4086 | ||
4087 | loc_mitm = (conn->auth_type & 0x01); | |
4088 | rem_mitm = (conn->remote_auth & 0x01); | |
4089 | ||
4090 | /* If we require MITM but the remote device can't provide that | |
6c53823a JH |
4091 | * (it has NoInputNoOutput) then reject the confirmation |
4092 | * request. We check the security level here since it doesn't | |
4093 | * necessarily match conn->auth_type. | |
6fd6b915 | 4094 | */ |
6c53823a JH |
4095 | if (conn->pending_sec_level > BT_SECURITY_MEDIUM && |
4096 | conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { | |
7a828908 JH |
4097 | BT_DBG("Rejecting request: remote device can't provide MITM"); |
4098 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, | |
807deac2 | 4099 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4100 | goto unlock; |
4101 | } | |
4102 | ||
4103 | /* If no side requires MITM protection; auto-accept */ | |
a767631a MA |
4104 | if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && |
4105 | (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { | |
55bc1a37 JH |
4106 | |
4107 | /* If we're not the initiators request authorization to | |
4108 | * proceed from user space (mgmt_user_confirm with | |
ba15a58b | 4109 | * confirm_hint set to 1). The exception is if neither |
02f3e254 JH |
4110 | * side had MITM or if the local IO capability is |
4111 | * NoInputNoOutput, in which case we do auto-accept | |
ba15a58b JH |
4112 | */ |
4113 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && | |
02f3e254 | 4114 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
ba15a58b | 4115 | (loc_mitm || rem_mitm)) { |
55bc1a37 JH |
4116 | BT_DBG("Confirming auto-accept as acceptor"); |
4117 | confirm_hint = 1; | |
4118 | goto confirm; | |
4119 | } | |
4120 | ||
9f61656a | 4121 | BT_DBG("Auto-accept of user confirmation with %ums delay", |
807deac2 | 4122 | hdev->auto_accept_delay); |
9f61656a JH |
4123 | |
4124 | if (hdev->auto_accept_delay > 0) { | |
4125 | int delay = msecs_to_jiffies(hdev->auto_accept_delay); | |
7bc18d9d JH |
4126 | queue_delayed_work(conn->hdev->workqueue, |
4127 | &conn->auto_accept_work, delay); | |
9f61656a JH |
4128 | goto unlock; |
4129 | } | |
4130 | ||
7a828908 | 4131 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, |
807deac2 | 4132 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4133 | goto unlock; |
4134 | } | |
4135 | ||
55bc1a37 | 4136 | confirm: |
39adbffe JH |
4137 | mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, |
4138 | le32_to_cpu(ev->passkey), confirm_hint); | |
7a828908 JH |
4139 | |
4140 | unlock: | |
a5c29683 JH |
4141 | hci_dev_unlock(hdev); |
4142 | } | |
4143 | ||
6039aa73 GP |
4144 | static void hci_user_passkey_request_evt(struct hci_dev *hdev, |
4145 | struct sk_buff *skb) | |
1143d458 BG |
4146 | { |
4147 | struct hci_ev_user_passkey_req *ev = (void *) skb->data; | |
4148 | ||
4149 | BT_DBG("%s", hdev->name); | |
4150 | ||
d7a5a11d | 4151 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 4152 | mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); |
1143d458 BG |
4153 | } |
4154 | ||
92a25256 JH |
4155 | static void hci_user_passkey_notify_evt(struct hci_dev *hdev, |
4156 | struct sk_buff *skb) | |
4157 | { | |
4158 | struct hci_ev_user_passkey_notify *ev = (void *) skb->data; | |
4159 | struct hci_conn *conn; | |
4160 | ||
4161 | BT_DBG("%s", hdev->name); | |
4162 | ||
4163 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4164 | if (!conn) | |
4165 | return; | |
4166 | ||
4167 | conn->passkey_notify = __le32_to_cpu(ev->passkey); | |
4168 | conn->passkey_entered = 0; | |
4169 | ||
d7a5a11d | 4170 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4171 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4172 | conn->dst_type, conn->passkey_notify, | |
4173 | conn->passkey_entered); | |
4174 | } | |
4175 | ||
4176 | static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4177 | { | |
4178 | struct hci_ev_keypress_notify *ev = (void *) skb->data; | |
4179 | struct hci_conn *conn; | |
4180 | ||
4181 | BT_DBG("%s", hdev->name); | |
4182 | ||
4183 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4184 | if (!conn) | |
4185 | return; | |
4186 | ||
4187 | switch (ev->type) { | |
4188 | case HCI_KEYPRESS_STARTED: | |
4189 | conn->passkey_entered = 0; | |
4190 | return; | |
4191 | ||
4192 | case HCI_KEYPRESS_ENTERED: | |
4193 | conn->passkey_entered++; | |
4194 | break; | |
4195 | ||
4196 | case HCI_KEYPRESS_ERASED: | |
4197 | conn->passkey_entered--; | |
4198 | break; | |
4199 | ||
4200 | case HCI_KEYPRESS_CLEARED: | |
4201 | conn->passkey_entered = 0; | |
4202 | break; | |
4203 | ||
4204 | case HCI_KEYPRESS_COMPLETED: | |
4205 | return; | |
4206 | } | |
4207 | ||
d7a5a11d | 4208 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4209 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4210 | conn->dst_type, conn->passkey_notify, | |
4211 | conn->passkey_entered); | |
4212 | } | |
4213 | ||
6039aa73 GP |
4214 | static void hci_simple_pair_complete_evt(struct hci_dev *hdev, |
4215 | struct sk_buff *skb) | |
0493684e MH |
4216 | { |
4217 | struct hci_ev_simple_pair_complete *ev = (void *) skb->data; | |
4218 | struct hci_conn *conn; | |
4219 | ||
4220 | BT_DBG("%s", hdev->name); | |
4221 | ||
4222 | hci_dev_lock(hdev); | |
4223 | ||
4224 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
2a611692 JH |
4225 | if (!conn) |
4226 | goto unlock; | |
4227 | ||
c1d4fa7a JH |
4228 | /* Reset the authentication requirement to unknown */ |
4229 | conn->remote_auth = 0xff; | |
4230 | ||
2a611692 JH |
4231 | /* To avoid duplicate auth_failed events to user space we check |
4232 | * the HCI_CONN_AUTH_PEND flag which will be set if we | |
4233 | * initiated the authentication. A traditional auth_complete | |
4234 | * event gets always produced as initiator and is also mapped to | |
4235 | * the mgmt_auth_failed event */ | |
fa1bd918 | 4236 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) |
e1e930f5 | 4237 | mgmt_auth_failed(conn, ev->status); |
0493684e | 4238 | |
76a68ba0 | 4239 | hci_conn_drop(conn); |
2a611692 JH |
4240 | |
4241 | unlock: | |
0493684e MH |
4242 | hci_dev_unlock(hdev); |
4243 | } | |
4244 | ||
6039aa73 GP |
4245 | static void hci_remote_host_features_evt(struct hci_dev *hdev, |
4246 | struct sk_buff *skb) | |
41a96212 MH |
4247 | { |
4248 | struct hci_ev_remote_host_features *ev = (void *) skb->data; | |
4249 | struct inquiry_entry *ie; | |
cad718ed | 4250 | struct hci_conn *conn; |
41a96212 MH |
4251 | |
4252 | BT_DBG("%s", hdev->name); | |
4253 | ||
4254 | hci_dev_lock(hdev); | |
4255 | ||
cad718ed JH |
4256 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4257 | if (conn) | |
4258 | memcpy(conn->features[1], ev->features, 8); | |
4259 | ||
cc11b9c1 AE |
4260 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4261 | if (ie) | |
02b7cc62 | 4262 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
41a96212 MH |
4263 | |
4264 | hci_dev_unlock(hdev); | |
4265 | } | |
4266 | ||
6039aa73 GP |
4267 | static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, |
4268 | struct sk_buff *skb) | |
2763eda6 SJ |
4269 | { |
4270 | struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; | |
4271 | struct oob_data *data; | |
4272 | ||
4273 | BT_DBG("%s", hdev->name); | |
4274 | ||
4275 | hci_dev_lock(hdev); | |
4276 | ||
d7a5a11d | 4277 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
e1ba1f15 SJ |
4278 | goto unlock; |
4279 | ||
6928a924 | 4280 | data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR); |
6665d057 MH |
4281 | if (!data) { |
4282 | struct hci_cp_remote_oob_data_neg_reply cp; | |
519ca9d0 | 4283 | |
6665d057 MH |
4284 | bacpy(&cp.bdaddr, &ev->bdaddr); |
4285 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, | |
4286 | sizeof(cp), &cp); | |
4287 | goto unlock; | |
4288 | } | |
2763eda6 | 4289 | |
6665d057 MH |
4290 | if (bredr_sc_enabled(hdev)) { |
4291 | struct hci_cp_remote_oob_ext_data_reply cp; | |
519ca9d0 | 4292 | |
6665d057 | 4293 | bacpy(&cp.bdaddr, &ev->bdaddr); |
d7a5a11d | 4294 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
6665d057 MH |
4295 | memset(cp.hash192, 0, sizeof(cp.hash192)); |
4296 | memset(cp.rand192, 0, sizeof(cp.rand192)); | |
4297 | } else { | |
4298 | memcpy(cp.hash192, data->hash192, sizeof(cp.hash192)); | |
4299 | memcpy(cp.rand192, data->rand192, sizeof(cp.rand192)); | |
519ca9d0 | 4300 | } |
6665d057 MH |
4301 | memcpy(cp.hash256, data->hash256, sizeof(cp.hash256)); |
4302 | memcpy(cp.rand256, data->rand256, sizeof(cp.rand256)); | |
4303 | ||
4304 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY, | |
4305 | sizeof(cp), &cp); | |
2763eda6 | 4306 | } else { |
6665d057 | 4307 | struct hci_cp_remote_oob_data_reply cp; |
2763eda6 SJ |
4308 | |
4309 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
6665d057 MH |
4310 | memcpy(cp.hash, data->hash192, sizeof(cp.hash)); |
4311 | memcpy(cp.rand, data->rand192, sizeof(cp.rand)); | |
4312 | ||
4313 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, | |
519ca9d0 | 4314 | sizeof(cp), &cp); |
2763eda6 SJ |
4315 | } |
4316 | ||
e1ba1f15 | 4317 | unlock: |
2763eda6 SJ |
4318 | hci_dev_unlock(hdev); |
4319 | } | |
4320 | ||
a77a6a14 AW |
4321 | #if IS_ENABLED(CONFIG_BT_HS) |
4322 | static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4323 | { | |
4324 | struct hci_ev_channel_selected *ev = (void *)skb->data; | |
4325 | struct hci_conn *hcon; | |
4326 | ||
4327 | BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); | |
4328 | ||
4329 | skb_pull(skb, sizeof(*ev)); | |
4330 | ||
4331 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4332 | if (!hcon) | |
4333 | return; | |
4334 | ||
4335 | amp_read_loc_assoc_final_data(hdev, hcon); | |
4336 | } | |
4337 | ||
d5e91192 AE |
4338 | static void hci_phy_link_complete_evt(struct hci_dev *hdev, |
4339 | struct sk_buff *skb) | |
4340 | { | |
4341 | struct hci_ev_phy_link_complete *ev = (void *) skb->data; | |
4342 | struct hci_conn *hcon, *bredr_hcon; | |
4343 | ||
4344 | BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, | |
4345 | ev->status); | |
4346 | ||
4347 | hci_dev_lock(hdev); | |
4348 | ||
4349 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4350 | if (!hcon) { | |
4351 | hci_dev_unlock(hdev); | |
4352 | return; | |
4353 | } | |
4354 | ||
4355 | if (ev->status) { | |
4356 | hci_conn_del(hcon); | |
4357 | hci_dev_unlock(hdev); | |
4358 | return; | |
4359 | } | |
4360 | ||
4361 | bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; | |
4362 | ||
4363 | hcon->state = BT_CONNECTED; | |
4364 | bacpy(&hcon->dst, &bredr_hcon->dst); | |
4365 | ||
4366 | hci_conn_hold(hcon); | |
4367 | hcon->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 4368 | hci_conn_drop(hcon); |
d5e91192 | 4369 | |
23b9ceb7 | 4370 | hci_debugfs_create_conn(hcon); |
d5e91192 AE |
4371 | hci_conn_add_sysfs(hcon); |
4372 | ||
cf70ff22 | 4373 | amp_physical_cfm(bredr_hcon, hcon); |
d5e91192 | 4374 | |
cf70ff22 | 4375 | hci_dev_unlock(hdev); |
d5e91192 AE |
4376 | } |
4377 | ||
27695fb4 AE |
4378 | static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
4379 | { | |
4380 | struct hci_ev_logical_link_complete *ev = (void *) skb->data; | |
4381 | struct hci_conn *hcon; | |
4382 | struct hci_chan *hchan; | |
4383 | struct amp_mgr *mgr; | |
4384 | ||
4385 | BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", | |
4386 | hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, | |
4387 | ev->status); | |
4388 | ||
4389 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4390 | if (!hcon) | |
4391 | return; | |
4392 | ||
4393 | /* Create AMP hchan */ | |
4394 | hchan = hci_chan_create(hcon); | |
4395 | if (!hchan) | |
4396 | return; | |
4397 | ||
4398 | hchan->handle = le16_to_cpu(ev->handle); | |
4399 | ||
4400 | BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); | |
4401 | ||
4402 | mgr = hcon->amp_mgr; | |
4403 | if (mgr && mgr->bredr_chan) { | |
4404 | struct l2cap_chan *bredr_chan = mgr->bredr_chan; | |
4405 | ||
4406 | l2cap_chan_lock(bredr_chan); | |
4407 | ||
4408 | bredr_chan->conn->mtu = hdev->block_mtu; | |
4409 | l2cap_logical_cfm(bredr_chan, hchan, 0); | |
4410 | hci_conn_hold(hcon); | |
4411 | ||
4412 | l2cap_chan_unlock(bredr_chan); | |
4413 | } | |
4414 | } | |
4415 | ||
606e2a10 AE |
4416 | static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, |
4417 | struct sk_buff *skb) | |
4418 | { | |
4419 | struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; | |
4420 | struct hci_chan *hchan; | |
4421 | ||
4422 | BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, | |
4423 | le16_to_cpu(ev->handle), ev->status); | |
4424 | ||
4425 | if (ev->status) | |
4426 | return; | |
4427 | ||
4428 | hci_dev_lock(hdev); | |
4429 | ||
4430 | hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); | |
4431 | if (!hchan) | |
4432 | goto unlock; | |
4433 | ||
4434 | amp_destroy_logical_link(hchan, ev->reason); | |
4435 | ||
4436 | unlock: | |
4437 | hci_dev_unlock(hdev); | |
4438 | } | |
4439 | ||
9eef6b3a AE |
4440 | static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, |
4441 | struct sk_buff *skb) | |
4442 | { | |
4443 | struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; | |
4444 | struct hci_conn *hcon; | |
4445 | ||
4446 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4447 | ||
4448 | if (ev->status) | |
4449 | return; | |
4450 | ||
4451 | hci_dev_lock(hdev); | |
4452 | ||
4453 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4454 | if (hcon) { | |
4455 | hcon->state = BT_CLOSED; | |
4456 | hci_conn_del(hcon); | |
4457 | } | |
4458 | ||
4459 | hci_dev_unlock(hdev); | |
4460 | } | |
a77a6a14 | 4461 | #endif |
9eef6b3a | 4462 | |
6039aa73 | 4463 | static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
4464 | { |
4465 | struct hci_ev_le_conn_complete *ev = (void *) skb->data; | |
912b42ef | 4466 | struct hci_conn_params *params; |
fcd89c09 | 4467 | struct hci_conn *conn; |
68d6f6de | 4468 | struct smp_irk *irk; |
837d502e | 4469 | u8 addr_type; |
fcd89c09 | 4470 | |
9f1db00c | 4471 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
fcd89c09 VT |
4472 | |
4473 | hci_dev_lock(hdev); | |
4474 | ||
fbd96c15 JH |
4475 | /* All controllers implicitly stop advertising in the event of a |
4476 | * connection, so ensure that the state bit is cleared. | |
4477 | */ | |
a358dc11 | 4478 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
fbd96c15 | 4479 | |
e7d9ab73 | 4480 | conn = hci_lookup_le_connect(hdev); |
b62f328b | 4481 | if (!conn) { |
a5c4e309 | 4482 | conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role); |
b62f328b | 4483 | if (!conn) { |
2064ee33 | 4484 | bt_dev_err(hdev, "no memory for new connection"); |
230fd16a | 4485 | goto unlock; |
b62f328b | 4486 | } |
29b7988a AG |
4487 | |
4488 | conn->dst_type = ev->bdaddr_type; | |
b9b343d2 | 4489 | |
cb1d68f7 JH |
4490 | /* If we didn't have a hci_conn object previously |
4491 | * but we're in master role this must be something | |
4492 | * initiated using a white list. Since white list based | |
4493 | * connections are not "first class citizens" we don't | |
4494 | * have full tracking of them. Therefore, we go ahead | |
4495 | * with a "best effort" approach of determining the | |
4496 | * initiator address based on the HCI_PRIVACY flag. | |
4497 | */ | |
4498 | if (conn->out) { | |
4499 | conn->resp_addr_type = ev->bdaddr_type; | |
4500 | bacpy(&conn->resp_addr, &ev->bdaddr); | |
d7a5a11d | 4501 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
cb1d68f7 JH |
4502 | conn->init_addr_type = ADDR_LE_DEV_RANDOM; |
4503 | bacpy(&conn->init_addr, &hdev->rpa); | |
4504 | } else { | |
4505 | hci_copy_identity_address(hdev, | |
4506 | &conn->init_addr, | |
4507 | &conn->init_addr_type); | |
4508 | } | |
cb1d68f7 | 4509 | } |
9489eca4 JH |
4510 | } else { |
4511 | cancel_delayed_work(&conn->le_conn_timeout); | |
b62f328b | 4512 | } |
fcd89c09 | 4513 | |
80c24ab8 JH |
4514 | if (!conn->out) { |
4515 | /* Set the responder (our side) address type based on | |
4516 | * the advertising address type. | |
4517 | */ | |
4518 | conn->resp_addr_type = hdev->adv_addr_type; | |
4519 | if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) | |
4520 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
4521 | else | |
4522 | bacpy(&conn->resp_addr, &hdev->bdaddr); | |
4523 | ||
4524 | conn->init_addr_type = ev->bdaddr_type; | |
4525 | bacpy(&conn->init_addr, &ev->bdaddr); | |
a720d735 MH |
4526 | |
4527 | /* For incoming connections, set the default minimum | |
4528 | * and maximum connection interval. They will be used | |
4529 | * to check if the parameters are in range and if not | |
4530 | * trigger the connection update procedure. | |
4531 | */ | |
4532 | conn->le_conn_min_interval = hdev->le_conn_min_interval; | |
4533 | conn->le_conn_max_interval = hdev->le_conn_max_interval; | |
80c24ab8 | 4534 | } |
7be2edbb | 4535 | |
edb4b466 MH |
4536 | /* Lookup the identity address from the stored connection |
4537 | * address and address type. | |
4538 | * | |
4539 | * When establishing connections to an identity address, the | |
4540 | * connection procedure will store the resolvable random | |
4541 | * address first. Now if it can be converted back into the | |
4542 | * identity address, start using the identity address from | |
4543 | * now on. | |
4544 | */ | |
4545 | irk = hci_get_irk(hdev, &conn->dst, conn->dst_type); | |
68d6f6de JH |
4546 | if (irk) { |
4547 | bacpy(&conn->dst, &irk->bdaddr); | |
4548 | conn->dst_type = irk->addr_type; | |
4549 | } | |
4550 | ||
2d3c2260 JH |
4551 | if (ev->status) { |
4552 | hci_le_conn_failed(conn, ev->status); | |
837d502e JH |
4553 | goto unlock; |
4554 | } | |
4555 | ||
08853f18 JH |
4556 | if (conn->dst_type == ADDR_LE_DEV_PUBLIC) |
4557 | addr_type = BDADDR_LE_PUBLIC; | |
4558 | else | |
4559 | addr_type = BDADDR_LE_RANDOM; | |
4560 | ||
2d3c2260 JH |
4561 | /* Drop the connection if the device is blocked */ |
4562 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) { | |
4563 | hci_conn_drop(conn); | |
cd17decb AG |
4564 | goto unlock; |
4565 | } | |
4566 | ||
b644ba33 | 4567 | if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 4568 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
83bc71b4 | 4569 | |
7b5c0d52 | 4570 | conn->sec_level = BT_SECURITY_LOW; |
fcd89c09 | 4571 | conn->handle = __le16_to_cpu(ev->handle); |
0fe29fd1 | 4572 | conn->state = BT_CONFIG; |
fcd89c09 | 4573 | |
e04fde60 MH |
4574 | conn->le_conn_interval = le16_to_cpu(ev->interval); |
4575 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
4576 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
4577 | ||
23b9ceb7 | 4578 | hci_debugfs_create_conn(conn); |
fcd89c09 VT |
4579 | hci_conn_add_sysfs(conn); |
4580 | ||
0fe29fd1 MH |
4581 | if (!ev->status) { |
4582 | /* The remote features procedure is defined for master | |
4583 | * role only. So only in case of an initiated connection | |
4584 | * request the remote features. | |
4585 | * | |
4586 | * If the local controller supports slave-initiated features | |
4587 | * exchange, then requesting the remote features in slave | |
4588 | * role is possible. Otherwise just transition into the | |
4589 | * connected state without requesting the remote features. | |
4590 | */ | |
4591 | if (conn->out || | |
4592 | (hdev->le_features[0] & HCI_LE_SLAVE_FEATURES)) { | |
4593 | struct hci_cp_le_read_remote_features cp; | |
4594 | ||
4595 | cp.handle = __cpu_to_le16(conn->handle); | |
4596 | ||
4597 | hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES, | |
4598 | sizeof(cp), &cp); | |
4599 | ||
4600 | hci_conn_hold(conn); | |
4601 | } else { | |
4602 | conn->state = BT_CONNECTED; | |
4603 | hci_connect_cfm(conn, ev->status); | |
4604 | } | |
4605 | } else { | |
4606 | hci_connect_cfm(conn, ev->status); | |
4607 | } | |
fcd89c09 | 4608 | |
5477610f JH |
4609 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst, |
4610 | conn->dst_type); | |
f161dd41 | 4611 | if (params) { |
95305baa | 4612 | list_del_init(¶ms->action); |
f161dd41 JH |
4613 | if (params->conn) { |
4614 | hci_conn_drop(params->conn); | |
f8aaf9b6 | 4615 | hci_conn_put(params->conn); |
f161dd41 JH |
4616 | params->conn = NULL; |
4617 | } | |
4618 | } | |
a4790dbd | 4619 | |
fcd89c09 | 4620 | unlock: |
223683a5 | 4621 | hci_update_background_scan(hdev); |
fcd89c09 VT |
4622 | hci_dev_unlock(hdev); |
4623 | } | |
4624 | ||
1855d92d MH |
4625 | static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, |
4626 | struct sk_buff *skb) | |
4627 | { | |
4628 | struct hci_ev_le_conn_update_complete *ev = (void *) skb->data; | |
4629 | struct hci_conn *conn; | |
4630 | ||
4631 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4632 | ||
4633 | if (ev->status) | |
4634 | return; | |
4635 | ||
4636 | hci_dev_lock(hdev); | |
4637 | ||
4638 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4639 | if (conn) { | |
4640 | conn->le_conn_interval = le16_to_cpu(ev->interval); | |
4641 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
4642 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
4643 | } | |
4644 | ||
4645 | hci_dev_unlock(hdev); | |
4646 | } | |
4647 | ||
a4790dbd | 4648 | /* This function requires the caller holds hdev->lock */ |
fd45ada9 AA |
4649 | static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, |
4650 | bdaddr_t *addr, | |
4651 | u8 addr_type, u8 adv_type) | |
a4790dbd AG |
4652 | { |
4653 | struct hci_conn *conn; | |
4b9e7e75 | 4654 | struct hci_conn_params *params; |
a4790dbd | 4655 | |
1c1abcab JH |
4656 | /* If the event is not connectable don't proceed further */ |
4657 | if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND) | |
fd45ada9 | 4658 | return NULL; |
1c1abcab JH |
4659 | |
4660 | /* Ignore if the device is blocked */ | |
dcc36c16 | 4661 | if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) |
fd45ada9 | 4662 | return NULL; |
1c1abcab | 4663 | |
f99353cf JH |
4664 | /* Most controller will fail if we try to create new connections |
4665 | * while we have an existing one in slave role. | |
4666 | */ | |
4667 | if (hdev->conn_hash.le_num_slave > 0) | |
fd45ada9 | 4668 | return NULL; |
f99353cf | 4669 | |
1c1abcab JH |
4670 | /* If we're not connectable only connect devices that we have in |
4671 | * our pend_le_conns list. | |
4672 | */ | |
49c50922 JH |
4673 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, |
4674 | addr_type); | |
4b9e7e75 | 4675 | if (!params) |
fd45ada9 | 4676 | return NULL; |
4b9e7e75 | 4677 | |
28a667c9 JP |
4678 | if (!params->explicit_connect) { |
4679 | switch (params->auto_connect) { | |
4680 | case HCI_AUTO_CONN_DIRECT: | |
4681 | /* Only devices advertising with ADV_DIRECT_IND are | |
4682 | * triggering a connection attempt. This is allowing | |
4683 | * incoming connections from slave devices. | |
4684 | */ | |
4685 | if (adv_type != LE_ADV_DIRECT_IND) | |
4686 | return NULL; | |
4687 | break; | |
4688 | case HCI_AUTO_CONN_ALWAYS: | |
4689 | /* Devices advertising with ADV_IND or ADV_DIRECT_IND | |
4690 | * are triggering a connection attempt. This means | |
4691 | * that incoming connectioms from slave device are | |
4692 | * accepted and also outgoing connections to slave | |
4693 | * devices are established when found. | |
4694 | */ | |
4695 | break; | |
4696 | default: | |
fd45ada9 | 4697 | return NULL; |
28a667c9 | 4698 | } |
4b9e7e75 | 4699 | } |
a4790dbd AG |
4700 | |
4701 | conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, | |
e804d25d | 4702 | HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER); |
f161dd41 | 4703 | if (!IS_ERR(conn)) { |
28a667c9 JP |
4704 | /* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned |
4705 | * by higher layer that tried to connect, if no then | |
4706 | * store the pointer since we don't really have any | |
f161dd41 JH |
4707 | * other owner of the object besides the params that |
4708 | * triggered it. This way we can abort the connection if | |
4709 | * the parameters get removed and keep the reference | |
4710 | * count consistent once the connection is established. | |
4711 | */ | |
28a667c9 JP |
4712 | |
4713 | if (!params->explicit_connect) | |
4714 | params->conn = hci_conn_get(conn); | |
4715 | ||
fd45ada9 | 4716 | return conn; |
f161dd41 | 4717 | } |
a4790dbd AG |
4718 | |
4719 | switch (PTR_ERR(conn)) { | |
4720 | case -EBUSY: | |
4721 | /* If hci_connect() returns -EBUSY it means there is already | |
4722 | * an LE connection attempt going on. Since controllers don't | |
4723 | * support more than one connection attempt at the time, we | |
4724 | * don't consider this an error case. | |
4725 | */ | |
4726 | break; | |
4727 | default: | |
4728 | BT_DBG("Failed to connect: err %ld", PTR_ERR(conn)); | |
fd45ada9 | 4729 | return NULL; |
a4790dbd | 4730 | } |
fd45ada9 AA |
4731 | |
4732 | return NULL; | |
a4790dbd AG |
4733 | } |
4734 | ||
4af605d8 | 4735 | static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, |
2f010b55 MH |
4736 | u8 bdaddr_type, bdaddr_t *direct_addr, |
4737 | u8 direct_addr_type, s8 rssi, u8 *data, u8 len) | |
4af605d8 | 4738 | { |
b9a6328f | 4739 | struct discovery_state *d = &hdev->discovery; |
1c1abcab | 4740 | struct smp_irk *irk; |
fd45ada9 | 4741 | struct hci_conn *conn; |
474ee066 | 4742 | bool match; |
c70a7e4c | 4743 | u32 flags; |
6818375e SJ |
4744 | u8 *ptr, real_len; |
4745 | ||
56b40fbf JH |
4746 | switch (type) { |
4747 | case LE_ADV_IND: | |
4748 | case LE_ADV_DIRECT_IND: | |
4749 | case LE_ADV_SCAN_IND: | |
4750 | case LE_ADV_NONCONN_IND: | |
4751 | case LE_ADV_SCAN_RSP: | |
4752 | break; | |
4753 | default: | |
2064ee33 MH |
4754 | bt_dev_err_ratelimited(hdev, "unknown advertising packet " |
4755 | "type: 0x%02x", type); | |
56b40fbf JH |
4756 | return; |
4757 | } | |
4758 | ||
6818375e SJ |
4759 | /* Find the end of the data in case the report contains padded zero |
4760 | * bytes at the end causing an invalid length value. | |
4761 | * | |
4762 | * When data is NULL, len is 0 so there is no need for extra ptr | |
4763 | * check as 'ptr < data + 0' is already false in such case. | |
4764 | */ | |
4765 | for (ptr = data; ptr < data + len && *ptr; ptr += *ptr + 1) { | |
4766 | if (ptr + 1 + *ptr > data + len) | |
4767 | break; | |
4768 | } | |
4769 | ||
4770 | real_len = ptr - data; | |
4771 | ||
4772 | /* Adjust for actual length */ | |
4773 | if (len != real_len) { | |
2064ee33 | 4774 | bt_dev_err_ratelimited(hdev, "advertising data len corrected"); |
6818375e SJ |
4775 | len = real_len; |
4776 | } | |
b9a6328f | 4777 | |
2f010b55 MH |
4778 | /* If the direct address is present, then this report is from |
4779 | * a LE Direct Advertising Report event. In that case it is | |
4780 | * important to see if the address is matching the local | |
4781 | * controller address. | |
4782 | */ | |
4783 | if (direct_addr) { | |
4784 | /* Only resolvable random addresses are valid for these | |
4785 | * kind of reports and others can be ignored. | |
4786 | */ | |
4787 | if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type)) | |
4788 | return; | |
4789 | ||
4790 | /* If the controller is not using resolvable random | |
4791 | * addresses, then this report can be ignored. | |
4792 | */ | |
d7a5a11d | 4793 | if (!hci_dev_test_flag(hdev, HCI_PRIVACY)) |
2f010b55 MH |
4794 | return; |
4795 | ||
4796 | /* If the local IRK of the controller does not match | |
4797 | * with the resolvable random address provided, then | |
4798 | * this report can be ignored. | |
4799 | */ | |
4800 | if (!smp_irk_matches(hdev, hdev->irk, direct_addr)) | |
4801 | return; | |
4802 | } | |
4803 | ||
1c1abcab JH |
4804 | /* Check if we need to convert to identity address */ |
4805 | irk = hci_get_irk(hdev, bdaddr, bdaddr_type); | |
4806 | if (irk) { | |
4807 | bdaddr = &irk->bdaddr; | |
4808 | bdaddr_type = irk->addr_type; | |
4809 | } | |
4810 | ||
4811 | /* Check if we have been requested to connect to this device */ | |
fd45ada9 AA |
4812 | conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type); |
4813 | if (conn && type == LE_ADV_IND) { | |
4814 | /* Store report for later inclusion by | |
4815 | * mgmt_device_connected | |
4816 | */ | |
4817 | memcpy(conn->le_adv_data, data, len); | |
4818 | conn->le_adv_data_len = len; | |
4819 | } | |
1c1abcab | 4820 | |
0d2bf134 JH |
4821 | /* Passive scanning shouldn't trigger any device found events, |
4822 | * except for devices marked as CONN_REPORT for which we do send | |
4823 | * device found events. | |
4824 | */ | |
ca5c4be7 | 4825 | if (hdev->le_scan_type == LE_SCAN_PASSIVE) { |
0d2bf134 JH |
4826 | if (type == LE_ADV_DIRECT_IND) |
4827 | return; | |
4828 | ||
3a19b6fe JH |
4829 | if (!hci_pend_le_action_lookup(&hdev->pend_le_reports, |
4830 | bdaddr, bdaddr_type)) | |
0d2bf134 JH |
4831 | return; |
4832 | ||
4833 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND) | |
4834 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
4835 | else | |
4836 | flags = 0; | |
4837 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
4838 | rssi, flags, data, len, NULL, 0); | |
97bf2e99 | 4839 | return; |
ca5c4be7 | 4840 | } |
4af605d8 | 4841 | |
c70a7e4c MH |
4842 | /* When receiving non-connectable or scannable undirected |
4843 | * advertising reports, this means that the remote device is | |
4844 | * not connectable and then clearly indicate this in the | |
4845 | * device found event. | |
4846 | * | |
4847 | * When receiving a scan response, then there is no way to | |
4848 | * know if the remote device is connectable or not. However | |
4849 | * since scan responses are merged with a previously seen | |
4850 | * advertising report, the flags field from that report | |
4851 | * will be used. | |
4852 | * | |
4853 | * In the really unlikely case that a controller get confused | |
4854 | * and just sends a scan response event, then it is marked as | |
4855 | * not connectable as well. | |
4856 | */ | |
4857 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND || | |
4858 | type == LE_ADV_SCAN_RSP) | |
4859 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
4860 | else | |
4861 | flags = 0; | |
4862 | ||
b9a6328f JH |
4863 | /* If there's nothing pending either store the data from this |
4864 | * event or send an immediate device found event if the data | |
4865 | * should not be stored for later. | |
4866 | */ | |
4867 | if (!has_pending_adv_report(hdev)) { | |
4868 | /* If the report will trigger a SCAN_REQ store it for | |
4869 | * later merging. | |
4870 | */ | |
4871 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
4872 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 4873 | rssi, flags, data, len); |
b9a6328f JH |
4874 | return; |
4875 | } | |
4876 | ||
4877 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
c70a7e4c | 4878 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
4879 | return; |
4880 | } | |
4881 | ||
474ee066 JH |
4882 | /* Check if the pending report is for the same device as the new one */ |
4883 | match = (!bacmp(bdaddr, &d->last_adv_addr) && | |
4884 | bdaddr_type == d->last_adv_addr_type); | |
4885 | ||
b9a6328f JH |
4886 | /* If the pending data doesn't match this report or this isn't a |
4887 | * scan response (e.g. we got a duplicate ADV_IND) then force | |
4888 | * sending of the pending data. | |
4889 | */ | |
474ee066 JH |
4890 | if (type != LE_ADV_SCAN_RSP || !match) { |
4891 | /* Send out whatever is in the cache, but skip duplicates */ | |
4892 | if (!match) | |
4893 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ff5cd29f | 4894 | d->last_adv_addr_type, NULL, |
c70a7e4c | 4895 | d->last_adv_rssi, d->last_adv_flags, |
ff5cd29f | 4896 | d->last_adv_data, |
474ee066 | 4897 | d->last_adv_data_len, NULL, 0); |
b9a6328f JH |
4898 | |
4899 | /* If the new report will trigger a SCAN_REQ store it for | |
4900 | * later merging. | |
4901 | */ | |
4902 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
4903 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 4904 | rssi, flags, data, len); |
b9a6328f JH |
4905 | return; |
4906 | } | |
4907 | ||
4908 | /* The advertising reports cannot be merged, so clear | |
4909 | * the pending report and send out a device found event. | |
4910 | */ | |
4911 | clear_pending_adv_report(hdev); | |
5c5b93e4 | 4912 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, |
c70a7e4c | 4913 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
4914 | return; |
4915 | } | |
4916 | ||
4917 | /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and | |
4918 | * the new event is a SCAN_RSP. We can therefore proceed with | |
4919 | * sending a merged device found event. | |
4920 | */ | |
4921 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
c70a7e4c | 4922 | d->last_adv_addr_type, NULL, rssi, d->last_adv_flags, |
42bd6a56 | 4923 | d->last_adv_data, d->last_adv_data_len, data, len); |
b9a6328f | 4924 | clear_pending_adv_report(hdev); |
4af605d8 JH |
4925 | } |
4926 | ||
6039aa73 | 4927 | static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) |
9aa04c91 | 4928 | { |
e95beb41 AG |
4929 | u8 num_reports = skb->data[0]; |
4930 | void *ptr = &skb->data[1]; | |
9aa04c91 | 4931 | |
a4790dbd AG |
4932 | hci_dev_lock(hdev); |
4933 | ||
e95beb41 AG |
4934 | while (num_reports--) { |
4935 | struct hci_ev_le_advertising_info *ev = ptr; | |
4af605d8 | 4936 | s8 rssi; |
a4790dbd | 4937 | |
3c9e9195 | 4938 | rssi = ev->data[ev->length]; |
4af605d8 | 4939 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, |
2f010b55 MH |
4940 | ev->bdaddr_type, NULL, 0, rssi, |
4941 | ev->data, ev->length); | |
3c9e9195 | 4942 | |
e95beb41 | 4943 | ptr += sizeof(*ev) + ev->length + 1; |
9aa04c91 | 4944 | } |
a4790dbd AG |
4945 | |
4946 | hci_dev_unlock(hdev); | |
9aa04c91 AG |
4947 | } |
4948 | ||
0fe29fd1 MH |
4949 | static void hci_le_remote_feat_complete_evt(struct hci_dev *hdev, |
4950 | struct sk_buff *skb) | |
4951 | { | |
4952 | struct hci_ev_le_remote_feat_complete *ev = (void *)skb->data; | |
4953 | struct hci_conn *conn; | |
4954 | ||
4955 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4956 | ||
4957 | hci_dev_lock(hdev); | |
4958 | ||
4959 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4960 | if (conn) { | |
4961 | if (!ev->status) | |
4962 | memcpy(conn->features[0], ev->features, 8); | |
4963 | ||
4964 | if (conn->state == BT_CONFIG) { | |
4965 | __u8 status; | |
4966 | ||
4967 | /* If the local controller supports slave-initiated | |
4968 | * features exchange, but the remote controller does | |
4969 | * not, then it is possible that the error code 0x1a | |
4970 | * for unsupported remote feature gets returned. | |
4971 | * | |
4972 | * In this specific case, allow the connection to | |
4973 | * transition into connected state and mark it as | |
4974 | * successful. | |
4975 | */ | |
4976 | if ((hdev->le_features[0] & HCI_LE_SLAVE_FEATURES) && | |
4977 | !conn->out && ev->status == 0x1a) | |
4978 | status = 0x00; | |
4979 | else | |
4980 | status = ev->status; | |
4981 | ||
4982 | conn->state = BT_CONNECTED; | |
4983 | hci_connect_cfm(conn, status); | |
4984 | hci_conn_drop(conn); | |
4985 | } | |
4986 | } | |
4987 | ||
4988 | hci_dev_unlock(hdev); | |
4989 | } | |
4990 | ||
6039aa73 | 4991 | static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a7a595f6 VCG |
4992 | { |
4993 | struct hci_ev_le_ltk_req *ev = (void *) skb->data; | |
4994 | struct hci_cp_le_ltk_reply cp; | |
bea710fe | 4995 | struct hci_cp_le_ltk_neg_reply neg; |
a7a595f6 | 4996 | struct hci_conn *conn; |
c9839a11 | 4997 | struct smp_ltk *ltk; |
a7a595f6 | 4998 | |
9f1db00c | 4999 | BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); |
a7a595f6 VCG |
5000 | |
5001 | hci_dev_lock(hdev); | |
5002 | ||
5003 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
bea710fe VCG |
5004 | if (conn == NULL) |
5005 | goto not_found; | |
a7a595f6 | 5006 | |
f3a73d97 | 5007 | ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role); |
5378bc56 | 5008 | if (!ltk) |
bea710fe VCG |
5009 | goto not_found; |
5010 | ||
5378bc56 JH |
5011 | if (smp_ltk_is_sc(ltk)) { |
5012 | /* With SC both EDiv and Rand are set to zero */ | |
5013 | if (ev->ediv || ev->rand) | |
5014 | goto not_found; | |
5015 | } else { | |
5016 | /* For non-SC keys check that EDiv and Rand match */ | |
5017 | if (ev->ediv != ltk->ediv || ev->rand != ltk->rand) | |
5018 | goto not_found; | |
5019 | } | |
5020 | ||
8b76ce34 JH |
5021 | memcpy(cp.ltk, ltk->val, ltk->enc_size); |
5022 | memset(cp.ltk + ltk->enc_size, 0, sizeof(cp.ltk) - ltk->enc_size); | |
a7a595f6 | 5023 | cp.handle = cpu_to_le16(conn->handle); |
c9839a11 | 5024 | |
a6f7833c | 5025 | conn->pending_sec_level = smp_ltk_sec_level(ltk); |
a7a595f6 | 5026 | |
89cbb4da | 5027 | conn->enc_key_size = ltk->enc_size; |
a7a595f6 VCG |
5028 | |
5029 | hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); | |
5030 | ||
5981a882 CT |
5031 | /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a |
5032 | * temporary key used to encrypt a connection following | |
5033 | * pairing. It is used during the Encrypted Session Setup to | |
5034 | * distribute the keys. Later, security can be re-established | |
5035 | * using a distributed LTK. | |
5036 | */ | |
2ceba539 | 5037 | if (ltk->type == SMP_STK) { |
fe59a05f | 5038 | set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
970d0f1b JH |
5039 | list_del_rcu(<k->list); |
5040 | kfree_rcu(ltk, rcu); | |
fe59a05f JH |
5041 | } else { |
5042 | clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); | |
c9839a11 VCG |
5043 | } |
5044 | ||
a7a595f6 | 5045 | hci_dev_unlock(hdev); |
bea710fe VCG |
5046 | |
5047 | return; | |
5048 | ||
5049 | not_found: | |
5050 | neg.handle = ev->handle; | |
5051 | hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); | |
5052 | hci_dev_unlock(hdev); | |
a7a595f6 VCG |
5053 | } |
5054 | ||
8e75b46a AG |
5055 | static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle, |
5056 | u8 reason) | |
5057 | { | |
5058 | struct hci_cp_le_conn_param_req_neg_reply cp; | |
5059 | ||
5060 | cp.handle = cpu_to_le16(handle); | |
5061 | cp.reason = reason; | |
5062 | ||
5063 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp), | |
5064 | &cp); | |
5065 | } | |
5066 | ||
5067 | static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev, | |
5068 | struct sk_buff *skb) | |
5069 | { | |
5070 | struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data; | |
5071 | struct hci_cp_le_conn_param_req_reply cp; | |
5072 | struct hci_conn *hcon; | |
5073 | u16 handle, min, max, latency, timeout; | |
5074 | ||
5075 | handle = le16_to_cpu(ev->handle); | |
5076 | min = le16_to_cpu(ev->interval_min); | |
5077 | max = le16_to_cpu(ev->interval_max); | |
5078 | latency = le16_to_cpu(ev->latency); | |
5079 | timeout = le16_to_cpu(ev->timeout); | |
5080 | ||
5081 | hcon = hci_conn_hash_lookup_handle(hdev, handle); | |
5082 | if (!hcon || hcon->state != BT_CONNECTED) | |
5083 | return send_conn_param_neg_reply(hdev, handle, | |
5084 | HCI_ERROR_UNKNOWN_CONN_ID); | |
5085 | ||
5086 | if (hci_check_conn_params(min, max, latency, timeout)) | |
5087 | return send_conn_param_neg_reply(hdev, handle, | |
5088 | HCI_ERROR_INVALID_LL_PARAMS); | |
5089 | ||
40bef302 | 5090 | if (hcon->role == HCI_ROLE_MASTER) { |
348d50b8 | 5091 | struct hci_conn_params *params; |
f4869e2a | 5092 | u8 store_hint; |
348d50b8 JH |
5093 | |
5094 | hci_dev_lock(hdev); | |
5095 | ||
5096 | params = hci_conn_params_lookup(hdev, &hcon->dst, | |
5097 | hcon->dst_type); | |
5098 | if (params) { | |
5099 | params->conn_min_interval = min; | |
5100 | params->conn_max_interval = max; | |
5101 | params->conn_latency = latency; | |
5102 | params->supervision_timeout = timeout; | |
f4869e2a JH |
5103 | store_hint = 0x01; |
5104 | } else{ | |
5105 | store_hint = 0x00; | |
348d50b8 JH |
5106 | } |
5107 | ||
5108 | hci_dev_unlock(hdev); | |
5109 | ||
f4869e2a JH |
5110 | mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type, |
5111 | store_hint, min, max, latency, timeout); | |
348d50b8 | 5112 | } |
ffb5a827 | 5113 | |
8e75b46a AG |
5114 | cp.handle = ev->handle; |
5115 | cp.interval_min = ev->interval_min; | |
5116 | cp.interval_max = ev->interval_max; | |
5117 | cp.latency = ev->latency; | |
5118 | cp.timeout = ev->timeout; | |
5119 | cp.min_ce_len = 0; | |
5120 | cp.max_ce_len = 0; | |
5121 | ||
5122 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp); | |
5123 | } | |
5124 | ||
2f010b55 MH |
5125 | static void hci_le_direct_adv_report_evt(struct hci_dev *hdev, |
5126 | struct sk_buff *skb) | |
5127 | { | |
5128 | u8 num_reports = skb->data[0]; | |
5129 | void *ptr = &skb->data[1]; | |
5130 | ||
5131 | hci_dev_lock(hdev); | |
5132 | ||
5133 | while (num_reports--) { | |
5134 | struct hci_ev_le_direct_adv_info *ev = ptr; | |
5135 | ||
5136 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, | |
5137 | ev->bdaddr_type, &ev->direct_addr, | |
5138 | ev->direct_addr_type, ev->rssi, NULL, 0); | |
5139 | ||
5140 | ptr += sizeof(*ev); | |
5141 | } | |
5142 | ||
5143 | hci_dev_unlock(hdev); | |
5144 | } | |
5145 | ||
6039aa73 | 5146 | static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
5147 | { |
5148 | struct hci_ev_le_meta *le_ev = (void *) skb->data; | |
5149 | ||
5150 | skb_pull(skb, sizeof(*le_ev)); | |
5151 | ||
5152 | switch (le_ev->subevent) { | |
5153 | case HCI_EV_LE_CONN_COMPLETE: | |
5154 | hci_le_conn_complete_evt(hdev, skb); | |
5155 | break; | |
5156 | ||
1855d92d MH |
5157 | case HCI_EV_LE_CONN_UPDATE_COMPLETE: |
5158 | hci_le_conn_update_complete_evt(hdev, skb); | |
5159 | break; | |
5160 | ||
9aa04c91 AG |
5161 | case HCI_EV_LE_ADVERTISING_REPORT: |
5162 | hci_le_adv_report_evt(hdev, skb); | |
5163 | break; | |
5164 | ||
0fe29fd1 MH |
5165 | case HCI_EV_LE_REMOTE_FEAT_COMPLETE: |
5166 | hci_le_remote_feat_complete_evt(hdev, skb); | |
5167 | break; | |
5168 | ||
a7a595f6 VCG |
5169 | case HCI_EV_LE_LTK_REQ: |
5170 | hci_le_ltk_request_evt(hdev, skb); | |
5171 | break; | |
5172 | ||
8e75b46a AG |
5173 | case HCI_EV_LE_REMOTE_CONN_PARAM_REQ: |
5174 | hci_le_remote_conn_param_req_evt(hdev, skb); | |
5175 | break; | |
5176 | ||
2f010b55 MH |
5177 | case HCI_EV_LE_DIRECT_ADV_REPORT: |
5178 | hci_le_direct_adv_report_evt(hdev, skb); | |
5179 | break; | |
5180 | ||
fcd89c09 VT |
5181 | default: |
5182 | break; | |
5183 | } | |
5184 | } | |
5185 | ||
757aa0b5 JH |
5186 | static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode, |
5187 | u8 event, struct sk_buff *skb) | |
5188 | { | |
5189 | struct hci_ev_cmd_complete *ev; | |
5190 | struct hci_event_hdr *hdr; | |
5191 | ||
5192 | if (!skb) | |
5193 | return false; | |
5194 | ||
5195 | if (skb->len < sizeof(*hdr)) { | |
2064ee33 | 5196 | bt_dev_err(hdev, "too short HCI event"); |
757aa0b5 JH |
5197 | return false; |
5198 | } | |
5199 | ||
5200 | hdr = (void *) skb->data; | |
5201 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5202 | ||
5203 | if (event) { | |
5204 | if (hdr->evt != event) | |
5205 | return false; | |
5206 | return true; | |
5207 | } | |
5208 | ||
5209 | if (hdr->evt != HCI_EV_CMD_COMPLETE) { | |
2064ee33 MH |
5210 | bt_dev_err(hdev, "last event is not cmd complete (0x%2.2x)", |
5211 | hdr->evt); | |
757aa0b5 JH |
5212 | return false; |
5213 | } | |
5214 | ||
5215 | if (skb->len < sizeof(*ev)) { | |
2064ee33 | 5216 | bt_dev_err(hdev, "too short cmd_complete event"); |
757aa0b5 JH |
5217 | return false; |
5218 | } | |
5219 | ||
5220 | ev = (void *) skb->data; | |
5221 | skb_pull(skb, sizeof(*ev)); | |
5222 | ||
5223 | if (opcode != __le16_to_cpu(ev->opcode)) { | |
5224 | BT_DBG("opcode doesn't match (0x%2.2x != 0x%2.2x)", opcode, | |
5225 | __le16_to_cpu(ev->opcode)); | |
5226 | return false; | |
5227 | } | |
5228 | ||
5229 | return true; | |
5230 | } | |
5231 | ||
a9de9248 MH |
5232 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
5233 | { | |
5234 | struct hci_event_hdr *hdr = (void *) skb->data; | |
e6214487 JH |
5235 | hci_req_complete_t req_complete = NULL; |
5236 | hci_req_complete_skb_t req_complete_skb = NULL; | |
5237 | struct sk_buff *orig_skb = NULL; | |
757aa0b5 | 5238 | u8 status = 0, event = hdr->evt, req_evt = 0; |
e6214487 | 5239 | u16 opcode = HCI_OP_NOP; |
a9de9248 | 5240 | |
242c0ebd | 5241 | if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->hci.req_event == event) { |
c1f23a2b | 5242 | struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; |
e6214487 JH |
5243 | opcode = __le16_to_cpu(cmd_hdr->opcode); |
5244 | hci_req_cmd_complete(hdev, opcode, status, &req_complete, | |
5245 | &req_complete_skb); | |
757aa0b5 | 5246 | req_evt = event; |
02350a72 JH |
5247 | } |
5248 | ||
e6214487 JH |
5249 | /* If it looks like we might end up having to call |
5250 | * req_complete_skb, store a pristine copy of the skb since the | |
5251 | * various handlers may modify the original one through | |
5252 | * skb_pull() calls, etc. | |
5253 | */ | |
5254 | if (req_complete_skb || event == HCI_EV_CMD_STATUS || | |
5255 | event == HCI_EV_CMD_COMPLETE) | |
5256 | orig_skb = skb_clone(skb, GFP_KERNEL); | |
5257 | ||
5258 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5259 | ||
a9de9248 | 5260 | switch (event) { |
1da177e4 LT |
5261 | case HCI_EV_INQUIRY_COMPLETE: |
5262 | hci_inquiry_complete_evt(hdev, skb); | |
5263 | break; | |
5264 | ||
5265 | case HCI_EV_INQUIRY_RESULT: | |
5266 | hci_inquiry_result_evt(hdev, skb); | |
5267 | break; | |
5268 | ||
a9de9248 MH |
5269 | case HCI_EV_CONN_COMPLETE: |
5270 | hci_conn_complete_evt(hdev, skb); | |
21d9e30e MH |
5271 | break; |
5272 | ||
1da177e4 LT |
5273 | case HCI_EV_CONN_REQUEST: |
5274 | hci_conn_request_evt(hdev, skb); | |
5275 | break; | |
5276 | ||
1da177e4 LT |
5277 | case HCI_EV_DISCONN_COMPLETE: |
5278 | hci_disconn_complete_evt(hdev, skb); | |
5279 | break; | |
5280 | ||
1da177e4 LT |
5281 | case HCI_EV_AUTH_COMPLETE: |
5282 | hci_auth_complete_evt(hdev, skb); | |
5283 | break; | |
5284 | ||
a9de9248 MH |
5285 | case HCI_EV_REMOTE_NAME: |
5286 | hci_remote_name_evt(hdev, skb); | |
5287 | break; | |
5288 | ||
1da177e4 LT |
5289 | case HCI_EV_ENCRYPT_CHANGE: |
5290 | hci_encrypt_change_evt(hdev, skb); | |
5291 | break; | |
5292 | ||
a9de9248 MH |
5293 | case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
5294 | hci_change_link_key_complete_evt(hdev, skb); | |
5295 | break; | |
5296 | ||
5297 | case HCI_EV_REMOTE_FEATURES: | |
5298 | hci_remote_features_evt(hdev, skb); | |
5299 | break; | |
5300 | ||
a9de9248 | 5301 | case HCI_EV_CMD_COMPLETE: |
e6214487 JH |
5302 | hci_cmd_complete_evt(hdev, skb, &opcode, &status, |
5303 | &req_complete, &req_complete_skb); | |
a9de9248 MH |
5304 | break; |
5305 | ||
5306 | case HCI_EV_CMD_STATUS: | |
e6214487 JH |
5307 | hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete, |
5308 | &req_complete_skb); | |
a9de9248 MH |
5309 | break; |
5310 | ||
24dfa343 MH |
5311 | case HCI_EV_HARDWARE_ERROR: |
5312 | hci_hardware_error_evt(hdev, skb); | |
5313 | break; | |
5314 | ||
a9de9248 MH |
5315 | case HCI_EV_ROLE_CHANGE: |
5316 | hci_role_change_evt(hdev, skb); | |
5317 | break; | |
5318 | ||
5319 | case HCI_EV_NUM_COMP_PKTS: | |
5320 | hci_num_comp_pkts_evt(hdev, skb); | |
5321 | break; | |
5322 | ||
5323 | case HCI_EV_MODE_CHANGE: | |
5324 | hci_mode_change_evt(hdev, skb); | |
1da177e4 LT |
5325 | break; |
5326 | ||
5327 | case HCI_EV_PIN_CODE_REQ: | |
5328 | hci_pin_code_request_evt(hdev, skb); | |
5329 | break; | |
5330 | ||
5331 | case HCI_EV_LINK_KEY_REQ: | |
5332 | hci_link_key_request_evt(hdev, skb); | |
5333 | break; | |
5334 | ||
5335 | case HCI_EV_LINK_KEY_NOTIFY: | |
5336 | hci_link_key_notify_evt(hdev, skb); | |
5337 | break; | |
5338 | ||
5339 | case HCI_EV_CLOCK_OFFSET: | |
5340 | hci_clock_offset_evt(hdev, skb); | |
5341 | break; | |
5342 | ||
a8746417 MH |
5343 | case HCI_EV_PKT_TYPE_CHANGE: |
5344 | hci_pkt_type_change_evt(hdev, skb); | |
5345 | break; | |
5346 | ||
85a1e930 MH |
5347 | case HCI_EV_PSCAN_REP_MODE: |
5348 | hci_pscan_rep_mode_evt(hdev, skb); | |
5349 | break; | |
5350 | ||
a9de9248 MH |
5351 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
5352 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
04837f64 MH |
5353 | break; |
5354 | ||
a9de9248 MH |
5355 | case HCI_EV_REMOTE_EXT_FEATURES: |
5356 | hci_remote_ext_features_evt(hdev, skb); | |
1da177e4 LT |
5357 | break; |
5358 | ||
a9de9248 MH |
5359 | case HCI_EV_SYNC_CONN_COMPLETE: |
5360 | hci_sync_conn_complete_evt(hdev, skb); | |
5361 | break; | |
1da177e4 | 5362 | |
a9de9248 MH |
5363 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
5364 | hci_extended_inquiry_result_evt(hdev, skb); | |
5365 | break; | |
1da177e4 | 5366 | |
1c2e0041 JH |
5367 | case HCI_EV_KEY_REFRESH_COMPLETE: |
5368 | hci_key_refresh_complete_evt(hdev, skb); | |
5369 | break; | |
5370 | ||
0493684e MH |
5371 | case HCI_EV_IO_CAPA_REQUEST: |
5372 | hci_io_capa_request_evt(hdev, skb); | |
5373 | break; | |
5374 | ||
03b555e1 JH |
5375 | case HCI_EV_IO_CAPA_REPLY: |
5376 | hci_io_capa_reply_evt(hdev, skb); | |
5377 | break; | |
5378 | ||
a5c29683 JH |
5379 | case HCI_EV_USER_CONFIRM_REQUEST: |
5380 | hci_user_confirm_request_evt(hdev, skb); | |
5381 | break; | |
5382 | ||
1143d458 BG |
5383 | case HCI_EV_USER_PASSKEY_REQUEST: |
5384 | hci_user_passkey_request_evt(hdev, skb); | |
5385 | break; | |
5386 | ||
92a25256 JH |
5387 | case HCI_EV_USER_PASSKEY_NOTIFY: |
5388 | hci_user_passkey_notify_evt(hdev, skb); | |
5389 | break; | |
5390 | ||
5391 | case HCI_EV_KEYPRESS_NOTIFY: | |
5392 | hci_keypress_notify_evt(hdev, skb); | |
5393 | break; | |
5394 | ||
0493684e MH |
5395 | case HCI_EV_SIMPLE_PAIR_COMPLETE: |
5396 | hci_simple_pair_complete_evt(hdev, skb); | |
5397 | break; | |
5398 | ||
41a96212 MH |
5399 | case HCI_EV_REMOTE_HOST_FEATURES: |
5400 | hci_remote_host_features_evt(hdev, skb); | |
5401 | break; | |
5402 | ||
fcd89c09 VT |
5403 | case HCI_EV_LE_META: |
5404 | hci_le_meta_evt(hdev, skb); | |
5405 | break; | |
5406 | ||
2763eda6 SJ |
5407 | case HCI_EV_REMOTE_OOB_DATA_REQUEST: |
5408 | hci_remote_oob_data_request_evt(hdev, skb); | |
5409 | break; | |
5410 | ||
a77a6a14 AW |
5411 | #if IS_ENABLED(CONFIG_BT_HS) |
5412 | case HCI_EV_CHANNEL_SELECTED: | |
5413 | hci_chan_selected_evt(hdev, skb); | |
5414 | break; | |
5415 | ||
d5e91192 AE |
5416 | case HCI_EV_PHY_LINK_COMPLETE: |
5417 | hci_phy_link_complete_evt(hdev, skb); | |
5418 | break; | |
5419 | ||
27695fb4 AE |
5420 | case HCI_EV_LOGICAL_LINK_COMPLETE: |
5421 | hci_loglink_complete_evt(hdev, skb); | |
5422 | break; | |
5423 | ||
606e2a10 AE |
5424 | case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: |
5425 | hci_disconn_loglink_complete_evt(hdev, skb); | |
5426 | break; | |
5427 | ||
9eef6b3a AE |
5428 | case HCI_EV_DISCONN_PHY_LINK_COMPLETE: |
5429 | hci_disconn_phylink_complete_evt(hdev, skb); | |
5430 | break; | |
a77a6a14 | 5431 | #endif |
9eef6b3a | 5432 | |
25e89e99 AE |
5433 | case HCI_EV_NUM_COMP_BLOCKS: |
5434 | hci_num_comp_blocks_evt(hdev, skb); | |
5435 | break; | |
5436 | ||
a9de9248 | 5437 | default: |
9f1db00c | 5438 | BT_DBG("%s event 0x%2.2x", hdev->name, event); |
1da177e4 LT |
5439 | break; |
5440 | } | |
5441 | ||
757aa0b5 | 5442 | if (req_complete) { |
e6214487 | 5443 | req_complete(hdev, status, opcode); |
757aa0b5 JH |
5444 | } else if (req_complete_skb) { |
5445 | if (!hci_get_cmd_complete(hdev, opcode, req_evt, orig_skb)) { | |
5446 | kfree_skb(orig_skb); | |
5447 | orig_skb = NULL; | |
5448 | } | |
e6214487 | 5449 | req_complete_skb(hdev, status, opcode, orig_skb); |
757aa0b5 | 5450 | } |
e6214487 JH |
5451 | |
5452 | kfree_skb(orig_skb); | |
1da177e4 LT |
5453 | kfree_skb(skb); |
5454 | hdev->stat.evt_rx++; | |
5455 | } |