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Commit | Line | Data |
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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 JH |
57 | hci_dev_lock(hdev); |
58 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
59 | hci_dev_unlock(hdev); | |
60 | ||
a9de9248 MH |
61 | hci_conn_check_pending(hdev); |
62 | } | |
6bd57416 | 63 | |
4d93483b AG |
64 | static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
65 | { | |
66 | __u8 status = *((__u8 *) skb->data); | |
67 | ||
9f1db00c | 68 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
ae854a70 AG |
69 | |
70 | if (status) | |
71 | return; | |
72 | ||
a1536da2 | 73 | hci_dev_set_flag(hdev, HCI_PERIODIC_INQ); |
4d93483b AG |
74 | } |
75 | ||
a9de9248 MH |
76 | static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
77 | { | |
78 | __u8 status = *((__u8 *) skb->data); | |
6bd57416 | 79 | |
9f1db00c | 80 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
6bd57416 | 81 | |
a9de9248 MH |
82 | if (status) |
83 | return; | |
1da177e4 | 84 | |
a358dc11 | 85 | hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); |
ae854a70 | 86 | |
a9de9248 MH |
87 | hci_conn_check_pending(hdev); |
88 | } | |
89 | ||
807deac2 GP |
90 | static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, |
91 | struct sk_buff *skb) | |
a9de9248 MH |
92 | { |
93 | BT_DBG("%s", hdev->name); | |
94 | } | |
95 | ||
96 | static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) | |
97 | { | |
98 | struct hci_rp_role_discovery *rp = (void *) skb->data; | |
99 | struct hci_conn *conn; | |
100 | ||
9f1db00c | 101 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
102 | |
103 | if (rp->status) | |
104 | return; | |
105 | ||
106 | hci_dev_lock(hdev); | |
107 | ||
108 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
40bef302 JH |
109 | if (conn) |
110 | conn->role = rp->role; | |
a9de9248 MH |
111 | |
112 | hci_dev_unlock(hdev); | |
1da177e4 LT |
113 | } |
114 | ||
e4e8e37c MH |
115 | static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
116 | { | |
117 | struct hci_rp_read_link_policy *rp = (void *) skb->data; | |
118 | struct hci_conn *conn; | |
119 | ||
9f1db00c | 120 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
e4e8e37c MH |
121 | |
122 | if (rp->status) | |
123 | return; | |
124 | ||
125 | hci_dev_lock(hdev); | |
126 | ||
127 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
128 | if (conn) | |
129 | conn->link_policy = __le16_to_cpu(rp->policy); | |
130 | ||
131 | hci_dev_unlock(hdev); | |
132 | } | |
133 | ||
a9de9248 | 134 | static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 135 | { |
a9de9248 | 136 | struct hci_rp_write_link_policy *rp = (void *) skb->data; |
1da177e4 | 137 | struct hci_conn *conn; |
04837f64 | 138 | void *sent; |
1da177e4 | 139 | |
9f1db00c | 140 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 141 | |
a9de9248 MH |
142 | if (rp->status) |
143 | return; | |
1da177e4 | 144 | |
a9de9248 MH |
145 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY); |
146 | if (!sent) | |
147 | return; | |
1da177e4 | 148 | |
a9de9248 | 149 | hci_dev_lock(hdev); |
1da177e4 | 150 | |
a9de9248 | 151 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
e4e8e37c | 152 | if (conn) |
83985319 | 153 | conn->link_policy = get_unaligned_le16(sent + 2); |
1da177e4 | 154 | |
a9de9248 MH |
155 | hci_dev_unlock(hdev); |
156 | } | |
1da177e4 | 157 | |
807deac2 GP |
158 | static void hci_cc_read_def_link_policy(struct hci_dev *hdev, |
159 | struct sk_buff *skb) | |
e4e8e37c MH |
160 | { |
161 | struct hci_rp_read_def_link_policy *rp = (void *) skb->data; | |
162 | ||
9f1db00c | 163 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
e4e8e37c MH |
164 | |
165 | if (rp->status) | |
166 | return; | |
167 | ||
168 | hdev->link_policy = __le16_to_cpu(rp->policy); | |
169 | } | |
170 | ||
807deac2 GP |
171 | static void hci_cc_write_def_link_policy(struct hci_dev *hdev, |
172 | struct sk_buff *skb) | |
e4e8e37c MH |
173 | { |
174 | __u8 status = *((__u8 *) skb->data); | |
175 | void *sent; | |
176 | ||
9f1db00c | 177 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
e4e8e37c | 178 | |
45296acd MH |
179 | if (status) |
180 | return; | |
181 | ||
e4e8e37c MH |
182 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); |
183 | if (!sent) | |
184 | return; | |
185 | ||
45296acd | 186 | hdev->link_policy = get_unaligned_le16(sent); |
e4e8e37c MH |
187 | } |
188 | ||
a9de9248 MH |
189 | static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) |
190 | { | |
191 | __u8 status = *((__u8 *) skb->data); | |
04837f64 | 192 | |
9f1db00c | 193 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 194 | |
10572132 GP |
195 | clear_bit(HCI_RESET, &hdev->flags); |
196 | ||
8761f9d6 MH |
197 | if (status) |
198 | return; | |
199 | ||
a297e97c | 200 | /* Reset all non-persistent flags */ |
eacb44df | 201 | hci_dev_clear_volatile_flags(hdev); |
69775ff6 | 202 | |
39c5d970 JH |
203 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
204 | ||
bbaf444a JH |
205 | hdev->inq_tx_power = HCI_TX_POWER_INVALID; |
206 | hdev->adv_tx_power = HCI_TX_POWER_INVALID; | |
3f0f524b JH |
207 | |
208 | memset(hdev->adv_data, 0, sizeof(hdev->adv_data)); | |
209 | hdev->adv_data_len = 0; | |
f8e808bd MH |
210 | |
211 | memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data)); | |
212 | hdev->scan_rsp_data_len = 0; | |
06f5b778 | 213 | |
533553f8 MH |
214 | hdev->le_scan_type = LE_SCAN_PASSIVE; |
215 | ||
06f5b778 | 216 | hdev->ssp_debug_mode = 0; |
a4d5504d MH |
217 | |
218 | hci_bdaddr_list_clear(&hdev->le_white_list); | |
a9de9248 | 219 | } |
04837f64 | 220 | |
c2f0f979 MH |
221 | static void hci_cc_read_stored_link_key(struct hci_dev *hdev, |
222 | struct sk_buff *skb) | |
223 | { | |
224 | struct hci_rp_read_stored_link_key *rp = (void *)skb->data; | |
225 | struct hci_cp_read_stored_link_key *sent; | |
226 | ||
227 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
228 | ||
229 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY); | |
230 | if (!sent) | |
231 | return; | |
232 | ||
233 | if (!rp->status && sent->read_all == 0x01) { | |
234 | hdev->stored_max_keys = rp->max_keys; | |
235 | hdev->stored_num_keys = rp->num_keys; | |
236 | } | |
237 | } | |
238 | ||
a9366120 MH |
239 | static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, |
240 | struct sk_buff *skb) | |
241 | { | |
242 | struct hci_rp_delete_stored_link_key *rp = (void *)skb->data; | |
243 | ||
244 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
245 | ||
246 | if (rp->status) | |
247 | return; | |
248 | ||
249 | if (rp->num_keys <= hdev->stored_num_keys) | |
250 | hdev->stored_num_keys -= rp->num_keys; | |
251 | else | |
252 | hdev->stored_num_keys = 0; | |
253 | } | |
254 | ||
a9de9248 MH |
255 | static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) |
256 | { | |
257 | __u8 status = *((__u8 *) skb->data); | |
258 | void *sent; | |
04837f64 | 259 | |
9f1db00c | 260 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 261 | |
a9de9248 MH |
262 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); |
263 | if (!sent) | |
264 | return; | |
04837f64 | 265 | |
56e5cb86 JH |
266 | hci_dev_lock(hdev); |
267 | ||
d7a5a11d | 268 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
f51d5b24 | 269 | mgmt_set_local_name_complete(hdev, sent, status); |
28cc7bde JH |
270 | else if (!status) |
271 | memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); | |
f51d5b24 | 272 | |
56e5cb86 | 273 | hci_dev_unlock(hdev); |
a9de9248 MH |
274 | } |
275 | ||
276 | static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) | |
277 | { | |
278 | struct hci_rp_read_local_name *rp = (void *) skb->data; | |
279 | ||
9f1db00c | 280 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
281 | |
282 | if (rp->status) | |
283 | return; | |
284 | ||
d7a5a11d MH |
285 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
286 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
db99b5fc | 287 | memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); |
a9de9248 MH |
288 | } |
289 | ||
290 | static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) | |
291 | { | |
292 | __u8 status = *((__u8 *) skb->data); | |
293 | void *sent; | |
294 | ||
9f1db00c | 295 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
296 | |
297 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); | |
298 | if (!sent) | |
299 | return; | |
300 | ||
5c1a4c8f JK |
301 | hci_dev_lock(hdev); |
302 | ||
a9de9248 MH |
303 | if (!status) { |
304 | __u8 param = *((__u8 *) sent); | |
305 | ||
306 | if (param == AUTH_ENABLED) | |
307 | set_bit(HCI_AUTH, &hdev->flags); | |
308 | else | |
309 | clear_bit(HCI_AUTH, &hdev->flags); | |
1da177e4 | 310 | } |
a9de9248 | 311 | |
d7a5a11d | 312 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
33ef95ed | 313 | mgmt_auth_enable_complete(hdev, status); |
5c1a4c8f JK |
314 | |
315 | hci_dev_unlock(hdev); | |
1da177e4 LT |
316 | } |
317 | ||
a9de9248 | 318 | static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 319 | { |
a9de9248 | 320 | __u8 status = *((__u8 *) skb->data); |
45296acd | 321 | __u8 param; |
1da177e4 LT |
322 | void *sent; |
323 | ||
9f1db00c | 324 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 325 | |
45296acd MH |
326 | if (status) |
327 | return; | |
328 | ||
a9de9248 MH |
329 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); |
330 | if (!sent) | |
331 | return; | |
1da177e4 | 332 | |
45296acd | 333 | param = *((__u8 *) sent); |
a9de9248 | 334 | |
45296acd MH |
335 | if (param) |
336 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
337 | else | |
338 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
a9de9248 | 339 | } |
1da177e4 | 340 | |
a9de9248 MH |
341 | static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) |
342 | { | |
45296acd MH |
343 | __u8 status = *((__u8 *) skb->data); |
344 | __u8 param; | |
a9de9248 | 345 | void *sent; |
1da177e4 | 346 | |
9f1db00c | 347 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 348 | |
a9de9248 MH |
349 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); |
350 | if (!sent) | |
351 | return; | |
1da177e4 | 352 | |
36f7fc7e JH |
353 | param = *((__u8 *) sent); |
354 | ||
56e5cb86 JH |
355 | hci_dev_lock(hdev); |
356 | ||
fa1bd918 | 357 | if (status) { |
2d7cee58 JH |
358 | hdev->discov_timeout = 0; |
359 | goto done; | |
360 | } | |
361 | ||
bc6d2d04 | 362 | if (param & SCAN_INQUIRY) |
36f7fc7e | 363 | set_bit(HCI_ISCAN, &hdev->flags); |
bc6d2d04 JH |
364 | else |
365 | clear_bit(HCI_ISCAN, &hdev->flags); | |
36f7fc7e | 366 | |
031547d8 | 367 | if (param & SCAN_PAGE) |
36f7fc7e | 368 | set_bit(HCI_PSCAN, &hdev->flags); |
bc6d2d04 | 369 | else |
204e3990 | 370 | clear_bit(HCI_PSCAN, &hdev->flags); |
1da177e4 | 371 | |
36f7fc7e | 372 | done: |
56e5cb86 | 373 | hci_dev_unlock(hdev); |
a9de9248 | 374 | } |
1da177e4 | 375 | |
a9de9248 MH |
376 | static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
377 | { | |
378 | struct hci_rp_read_class_of_dev *rp = (void *) skb->data; | |
1da177e4 | 379 | |
9f1db00c | 380 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 381 | |
a9de9248 MH |
382 | if (rp->status) |
383 | return; | |
1da177e4 | 384 | |
a9de9248 | 385 | memcpy(hdev->dev_class, rp->dev_class, 3); |
1da177e4 | 386 | |
a9de9248 | 387 | BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, |
807deac2 | 388 | hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); |
a9de9248 | 389 | } |
1da177e4 | 390 | |
a9de9248 MH |
391 | static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
392 | { | |
393 | __u8 status = *((__u8 *) skb->data); | |
394 | void *sent; | |
1da177e4 | 395 | |
9f1db00c | 396 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 397 | |
a9de9248 MH |
398 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
399 | if (!sent) | |
400 | return; | |
1da177e4 | 401 | |
7f9a903c MH |
402 | hci_dev_lock(hdev); |
403 | ||
404 | if (status == 0) | |
405 | memcpy(hdev->dev_class, sent, 3); | |
406 | ||
d7a5a11d | 407 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
7f9a903c MH |
408 | mgmt_set_class_of_dev_complete(hdev, sent, status); |
409 | ||
410 | hci_dev_unlock(hdev); | |
a9de9248 | 411 | } |
1da177e4 | 412 | |
a9de9248 MH |
413 | static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) |
414 | { | |
415 | struct hci_rp_read_voice_setting *rp = (void *) skb->data; | |
416 | __u16 setting; | |
417 | ||
9f1db00c | 418 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
419 | |
420 | if (rp->status) | |
421 | return; | |
422 | ||
423 | setting = __le16_to_cpu(rp->voice_setting); | |
424 | ||
f383f275 | 425 | if (hdev->voice_setting == setting) |
a9de9248 MH |
426 | return; |
427 | ||
428 | hdev->voice_setting = setting; | |
429 | ||
9f1db00c | 430 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
a9de9248 | 431 | |
3c54711c | 432 | if (hdev->notify) |
a9de9248 | 433 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
a9de9248 MH |
434 | } |
435 | ||
8fc9ced3 GP |
436 | static void hci_cc_write_voice_setting(struct hci_dev *hdev, |
437 | struct sk_buff *skb) | |
a9de9248 MH |
438 | { |
439 | __u8 status = *((__u8 *) skb->data); | |
f383f275 | 440 | __u16 setting; |
a9de9248 MH |
441 | void *sent; |
442 | ||
9f1db00c | 443 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 444 | |
f383f275 MH |
445 | if (status) |
446 | return; | |
447 | ||
a9de9248 MH |
448 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
449 | if (!sent) | |
450 | return; | |
1da177e4 | 451 | |
f383f275 | 452 | setting = get_unaligned_le16(sent); |
1da177e4 | 453 | |
f383f275 MH |
454 | if (hdev->voice_setting == setting) |
455 | return; | |
456 | ||
457 | hdev->voice_setting = setting; | |
1da177e4 | 458 | |
9f1db00c | 459 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
1da177e4 | 460 | |
3c54711c | 461 | if (hdev->notify) |
f383f275 | 462 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
1da177e4 LT |
463 | } |
464 | ||
b4cb9fb2 MH |
465 | static void hci_cc_read_num_supported_iac(struct hci_dev *hdev, |
466 | struct sk_buff *skb) | |
467 | { | |
468 | struct hci_rp_read_num_supported_iac *rp = (void *) skb->data; | |
469 | ||
470 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
471 | ||
472 | if (rp->status) | |
473 | return; | |
474 | ||
475 | hdev->num_iac = rp->num_iac; | |
476 | ||
477 | BT_DBG("%s num iac %d", hdev->name, hdev->num_iac); | |
478 | } | |
479 | ||
333140b5 MH |
480 | static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) |
481 | { | |
482 | __u8 status = *((__u8 *) skb->data); | |
5ed8eb2f | 483 | struct hci_cp_write_ssp_mode *sent; |
333140b5 | 484 | |
9f1db00c | 485 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
333140b5 | 486 | |
333140b5 MH |
487 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); |
488 | if (!sent) | |
489 | return; | |
490 | ||
5c1a4c8f JK |
491 | hci_dev_lock(hdev); |
492 | ||
5ed8eb2f JH |
493 | if (!status) { |
494 | if (sent->mode) | |
cad718ed | 495 | hdev->features[1][0] |= LMP_HOST_SSP; |
5ed8eb2f | 496 | else |
cad718ed | 497 | hdev->features[1][0] &= ~LMP_HOST_SSP; |
5ed8eb2f JH |
498 | } |
499 | ||
d7a5a11d | 500 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
5ed8eb2f | 501 | mgmt_ssp_enable_complete(hdev, sent->mode, status); |
c0ecddc2 | 502 | else if (!status) { |
5ed8eb2f | 503 | if (sent->mode) |
a1536da2 | 504 | hci_dev_set_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 505 | else |
a358dc11 | 506 | hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 507 | } |
5c1a4c8f JK |
508 | |
509 | hci_dev_unlock(hdev); | |
333140b5 MH |
510 | } |
511 | ||
eac83dc6 MH |
512 | static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb) |
513 | { | |
514 | u8 status = *((u8 *) skb->data); | |
515 | struct hci_cp_write_sc_support *sent; | |
516 | ||
517 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
518 | ||
519 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT); | |
520 | if (!sent) | |
521 | return; | |
522 | ||
5c1a4c8f JK |
523 | hci_dev_lock(hdev); |
524 | ||
eac83dc6 MH |
525 | if (!status) { |
526 | if (sent->support) | |
527 | hdev->features[1][0] |= LMP_HOST_SC; | |
528 | else | |
529 | hdev->features[1][0] &= ~LMP_HOST_SC; | |
530 | } | |
531 | ||
d7a5a11d | 532 | if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) { |
eac83dc6 | 533 | if (sent->support) |
a1536da2 | 534 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 535 | else |
a358dc11 | 536 | hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 537 | } |
5c1a4c8f JK |
538 | |
539 | hci_dev_unlock(hdev); | |
eac83dc6 MH |
540 | } |
541 | ||
a9de9248 MH |
542 | static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) |
543 | { | |
544 | struct hci_rp_read_local_version *rp = (void *) skb->data; | |
1143e5a6 | 545 | |
9f1db00c | 546 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143e5a6 | 547 | |
a9de9248 | 548 | if (rp->status) |
42c6b129 | 549 | return; |
1143e5a6 | 550 | |
d7a5a11d MH |
551 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
552 | hci_dev_test_flag(hdev, HCI_CONFIG)) { | |
0d5551f5 MH |
553 | hdev->hci_ver = rp->hci_ver; |
554 | hdev->hci_rev = __le16_to_cpu(rp->hci_rev); | |
555 | hdev->lmp_ver = rp->lmp_ver; | |
556 | hdev->manufacturer = __le16_to_cpu(rp->manufacturer); | |
557 | hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); | |
558 | } | |
d5859e22 JH |
559 | } |
560 | ||
8fc9ced3 GP |
561 | static void hci_cc_read_local_commands(struct hci_dev *hdev, |
562 | struct sk_buff *skb) | |
a9de9248 MH |
563 | { |
564 | struct hci_rp_read_local_commands *rp = (void *) skb->data; | |
1da177e4 | 565 | |
9f1db00c | 566 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 567 | |
6a070e6e MH |
568 | if (rp->status) |
569 | return; | |
570 | ||
d7a5a11d MH |
571 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
572 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
2177bab5 | 573 | memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
a9de9248 | 574 | } |
1da177e4 | 575 | |
8fc9ced3 GP |
576 | static void hci_cc_read_local_features(struct hci_dev *hdev, |
577 | struct sk_buff *skb) | |
a9de9248 MH |
578 | { |
579 | struct hci_rp_read_local_features *rp = (void *) skb->data; | |
5b7f9909 | 580 | |
9f1db00c | 581 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 582 | |
a9de9248 MH |
583 | if (rp->status) |
584 | return; | |
5b7f9909 | 585 | |
a9de9248 | 586 | memcpy(hdev->features, rp->features, 8); |
5b7f9909 | 587 | |
a9de9248 MH |
588 | /* Adjust default settings according to features |
589 | * supported by device. */ | |
1da177e4 | 590 | |
cad718ed | 591 | if (hdev->features[0][0] & LMP_3SLOT) |
a9de9248 | 592 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); |
1da177e4 | 593 | |
cad718ed | 594 | if (hdev->features[0][0] & LMP_5SLOT) |
a9de9248 | 595 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); |
1da177e4 | 596 | |
cad718ed | 597 | if (hdev->features[0][1] & LMP_HV2) { |
a9de9248 MH |
598 | hdev->pkt_type |= (HCI_HV2); |
599 | hdev->esco_type |= (ESCO_HV2); | |
600 | } | |
1da177e4 | 601 | |
cad718ed | 602 | if (hdev->features[0][1] & LMP_HV3) { |
a9de9248 MH |
603 | hdev->pkt_type |= (HCI_HV3); |
604 | hdev->esco_type |= (ESCO_HV3); | |
605 | } | |
1da177e4 | 606 | |
45db810f | 607 | if (lmp_esco_capable(hdev)) |
a9de9248 | 608 | hdev->esco_type |= (ESCO_EV3); |
da1f5198 | 609 | |
cad718ed | 610 | if (hdev->features[0][4] & LMP_EV4) |
a9de9248 | 611 | hdev->esco_type |= (ESCO_EV4); |
da1f5198 | 612 | |
cad718ed | 613 | if (hdev->features[0][4] & LMP_EV5) |
a9de9248 | 614 | hdev->esco_type |= (ESCO_EV5); |
1da177e4 | 615 | |
cad718ed | 616 | if (hdev->features[0][5] & LMP_EDR_ESCO_2M) |
efc7688b MH |
617 | hdev->esco_type |= (ESCO_2EV3); |
618 | ||
cad718ed | 619 | if (hdev->features[0][5] & LMP_EDR_ESCO_3M) |
efc7688b MH |
620 | hdev->esco_type |= (ESCO_3EV3); |
621 | ||
cad718ed | 622 | if (hdev->features[0][5] & LMP_EDR_3S_ESCO) |
efc7688b | 623 | hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); |
a9de9248 | 624 | } |
1da177e4 | 625 | |
971e3a4b | 626 | static void hci_cc_read_local_ext_features(struct hci_dev *hdev, |
807deac2 | 627 | struct sk_buff *skb) |
971e3a4b AG |
628 | { |
629 | struct hci_rp_read_local_ext_features *rp = (void *) skb->data; | |
630 | ||
9f1db00c | 631 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
971e3a4b AG |
632 | |
633 | if (rp->status) | |
42c6b129 | 634 | return; |
971e3a4b | 635 | |
57af75a8 MH |
636 | if (hdev->max_page < rp->max_page) |
637 | hdev->max_page = rp->max_page; | |
d2c5d77f | 638 | |
cad718ed JH |
639 | if (rp->page < HCI_MAX_PAGES) |
640 | memcpy(hdev->features[rp->page], rp->features, 8); | |
971e3a4b AG |
641 | } |
642 | ||
1e89cffb | 643 | static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, |
807deac2 | 644 | struct sk_buff *skb) |
1e89cffb AE |
645 | { |
646 | struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; | |
647 | ||
9f1db00c | 648 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1e89cffb | 649 | |
45296acd MH |
650 | if (rp->status) |
651 | return; | |
652 | ||
653 | hdev->flow_ctl_mode = rp->mode; | |
1e89cffb AE |
654 | } |
655 | ||
a9de9248 MH |
656 | static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) |
657 | { | |
658 | struct hci_rp_read_buffer_size *rp = (void *) skb->data; | |
1da177e4 | 659 | |
9f1db00c | 660 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 661 | |
a9de9248 MH |
662 | if (rp->status) |
663 | return; | |
1da177e4 | 664 | |
a9de9248 MH |
665 | hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); |
666 | hdev->sco_mtu = rp->sco_mtu; | |
667 | hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); | |
668 | hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); | |
669 | ||
670 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
671 | hdev->sco_mtu = 64; | |
672 | hdev->sco_pkts = 8; | |
1da177e4 | 673 | } |
a9de9248 MH |
674 | |
675 | hdev->acl_cnt = hdev->acl_pkts; | |
676 | hdev->sco_cnt = hdev->sco_pkts; | |
677 | ||
807deac2 GP |
678 | BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu, |
679 | hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts); | |
a9de9248 MH |
680 | } |
681 | ||
682 | static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) | |
683 | { | |
684 | struct hci_rp_read_bd_addr *rp = (void *) skb->data; | |
685 | ||
9f1db00c | 686 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 | 687 | |
e30d3f5f MH |
688 | if (rp->status) |
689 | return; | |
690 | ||
691 | if (test_bit(HCI_INIT, &hdev->flags)) | |
a9de9248 | 692 | bacpy(&hdev->bdaddr, &rp->bdaddr); |
e30d3f5f | 693 | |
d7a5a11d | 694 | if (hci_dev_test_flag(hdev, HCI_SETUP)) |
e30d3f5f | 695 | bacpy(&hdev->setup_addr, &rp->bdaddr); |
23bb5763 JH |
696 | } |
697 | ||
f332ec66 JH |
698 | static void hci_cc_read_page_scan_activity(struct hci_dev *hdev, |
699 | struct sk_buff *skb) | |
700 | { | |
701 | struct hci_rp_read_page_scan_activity *rp = (void *) skb->data; | |
702 | ||
703 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
704 | ||
45296acd MH |
705 | if (rp->status) |
706 | return; | |
707 | ||
708 | if (test_bit(HCI_INIT, &hdev->flags)) { | |
f332ec66 JH |
709 | hdev->page_scan_interval = __le16_to_cpu(rp->interval); |
710 | hdev->page_scan_window = __le16_to_cpu(rp->window); | |
711 | } | |
712 | } | |
713 | ||
4a3ee763 JH |
714 | static void hci_cc_write_page_scan_activity(struct hci_dev *hdev, |
715 | struct sk_buff *skb) | |
716 | { | |
717 | u8 status = *((u8 *) skb->data); | |
718 | struct hci_cp_write_page_scan_activity *sent; | |
719 | ||
720 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
721 | ||
722 | if (status) | |
723 | return; | |
724 | ||
725 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY); | |
726 | if (!sent) | |
727 | return; | |
728 | ||
729 | hdev->page_scan_interval = __le16_to_cpu(sent->interval); | |
730 | hdev->page_scan_window = __le16_to_cpu(sent->window); | |
731 | } | |
732 | ||
f332ec66 JH |
733 | static void hci_cc_read_page_scan_type(struct hci_dev *hdev, |
734 | struct sk_buff *skb) | |
735 | { | |
736 | struct hci_rp_read_page_scan_type *rp = (void *) skb->data; | |
737 | ||
738 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
739 | ||
45296acd MH |
740 | if (rp->status) |
741 | return; | |
742 | ||
743 | if (test_bit(HCI_INIT, &hdev->flags)) | |
f332ec66 JH |
744 | hdev->page_scan_type = rp->type; |
745 | } | |
746 | ||
4a3ee763 JH |
747 | static void hci_cc_write_page_scan_type(struct hci_dev *hdev, |
748 | struct sk_buff *skb) | |
749 | { | |
750 | u8 status = *((u8 *) skb->data); | |
751 | u8 *type; | |
752 | ||
753 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
754 | ||
755 | if (status) | |
756 | return; | |
757 | ||
758 | type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE); | |
759 | if (type) | |
760 | hdev->page_scan_type = *type; | |
761 | } | |
762 | ||
350ee4cf | 763 | static void hci_cc_read_data_block_size(struct hci_dev *hdev, |
807deac2 | 764 | struct sk_buff *skb) |
350ee4cf AE |
765 | { |
766 | struct hci_rp_read_data_block_size *rp = (void *) skb->data; | |
767 | ||
9f1db00c | 768 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
350ee4cf AE |
769 | |
770 | if (rp->status) | |
771 | return; | |
772 | ||
773 | hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); | |
774 | hdev->block_len = __le16_to_cpu(rp->block_len); | |
775 | hdev->num_blocks = __le16_to_cpu(rp->num_blocks); | |
776 | ||
777 | hdev->block_cnt = hdev->num_blocks; | |
778 | ||
779 | BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, | |
807deac2 | 780 | hdev->block_cnt, hdev->block_len); |
350ee4cf AE |
781 | } |
782 | ||
33f35721 JH |
783 | static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb) |
784 | { | |
785 | struct hci_rp_read_clock *rp = (void *) skb->data; | |
786 | struct hci_cp_read_clock *cp; | |
787 | struct hci_conn *conn; | |
788 | ||
789 | BT_DBG("%s", hdev->name); | |
790 | ||
791 | if (skb->len < sizeof(*rp)) | |
792 | return; | |
793 | ||
794 | if (rp->status) | |
795 | return; | |
796 | ||
797 | hci_dev_lock(hdev); | |
798 | ||
799 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
800 | if (!cp) | |
801 | goto unlock; | |
802 | ||
803 | if (cp->which == 0x00) { | |
804 | hdev->clock = le32_to_cpu(rp->clock); | |
805 | goto unlock; | |
806 | } | |
807 | ||
808 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
809 | if (conn) { | |
810 | conn->clock = le32_to_cpu(rp->clock); | |
811 | conn->clock_accuracy = le16_to_cpu(rp->accuracy); | |
812 | } | |
813 | ||
814 | unlock: | |
815 | hci_dev_unlock(hdev); | |
816 | } | |
817 | ||
928abaa7 | 818 | static void hci_cc_read_local_amp_info(struct hci_dev *hdev, |
807deac2 | 819 | struct sk_buff *skb) |
928abaa7 AE |
820 | { |
821 | struct hci_rp_read_local_amp_info *rp = (void *) skb->data; | |
822 | ||
9f1db00c | 823 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
928abaa7 AE |
824 | |
825 | if (rp->status) | |
83927882 | 826 | return; |
928abaa7 AE |
827 | |
828 | hdev->amp_status = rp->amp_status; | |
829 | hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); | |
830 | hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); | |
831 | hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); | |
832 | hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); | |
833 | hdev->amp_type = rp->amp_type; | |
834 | hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); | |
835 | hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); | |
836 | hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); | |
837 | hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); | |
928abaa7 AE |
838 | } |
839 | ||
d5859e22 | 840 | static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, |
807deac2 | 841 | struct sk_buff *skb) |
d5859e22 | 842 | { |
91c4e9b1 | 843 | struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; |
d5859e22 | 844 | |
9f1db00c | 845 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
91c4e9b1 | 846 | |
45296acd MH |
847 | if (rp->status) |
848 | return; | |
849 | ||
850 | hdev->inq_tx_power = rp->tx_power; | |
d5859e22 JH |
851 | } |
852 | ||
980e1a53 JH |
853 | static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) |
854 | { | |
855 | struct hci_rp_pin_code_reply *rp = (void *) skb->data; | |
856 | struct hci_cp_pin_code_reply *cp; | |
857 | struct hci_conn *conn; | |
858 | ||
9f1db00c | 859 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 860 | |
56e5cb86 JH |
861 | hci_dev_lock(hdev); |
862 | ||
d7a5a11d | 863 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 864 | mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); |
980e1a53 | 865 | |
fa1bd918 | 866 | if (rp->status) |
56e5cb86 | 867 | goto unlock; |
980e1a53 JH |
868 | |
869 | cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); | |
870 | if (!cp) | |
56e5cb86 | 871 | goto unlock; |
980e1a53 JH |
872 | |
873 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
874 | if (conn) | |
875 | conn->pin_length = cp->pin_len; | |
56e5cb86 JH |
876 | |
877 | unlock: | |
878 | hci_dev_unlock(hdev); | |
980e1a53 JH |
879 | } |
880 | ||
881 | static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) | |
882 | { | |
883 | struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; | |
884 | ||
9f1db00c | 885 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 886 | |
56e5cb86 JH |
887 | hci_dev_lock(hdev); |
888 | ||
d7a5a11d | 889 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 890 | mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, |
807deac2 | 891 | rp->status); |
56e5cb86 JH |
892 | |
893 | hci_dev_unlock(hdev); | |
980e1a53 | 894 | } |
56e5cb86 | 895 | |
6ed58ec5 VT |
896 | static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, |
897 | struct sk_buff *skb) | |
898 | { | |
899 | struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; | |
900 | ||
9f1db00c | 901 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
6ed58ec5 VT |
902 | |
903 | if (rp->status) | |
904 | return; | |
905 | ||
906 | hdev->le_mtu = __le16_to_cpu(rp->le_mtu); | |
907 | hdev->le_pkts = rp->le_max_pkt; | |
908 | ||
909 | hdev->le_cnt = hdev->le_pkts; | |
910 | ||
911 | BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); | |
6ed58ec5 | 912 | } |
980e1a53 | 913 | |
60e77321 JH |
914 | static void hci_cc_le_read_local_features(struct hci_dev *hdev, |
915 | struct sk_buff *skb) | |
916 | { | |
917 | struct hci_rp_le_read_local_features *rp = (void *) skb->data; | |
918 | ||
919 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
920 | ||
45296acd MH |
921 | if (rp->status) |
922 | return; | |
923 | ||
924 | memcpy(hdev->le_features, rp->features, 8); | |
60e77321 JH |
925 | } |
926 | ||
8fa19098 JH |
927 | static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, |
928 | struct sk_buff *skb) | |
929 | { | |
930 | struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; | |
931 | ||
932 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
933 | ||
45296acd MH |
934 | if (rp->status) |
935 | return; | |
936 | ||
937 | hdev->adv_tx_power = rp->tx_power; | |
8fa19098 JH |
938 | } |
939 | ||
a5c29683 JH |
940 | static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) |
941 | { | |
942 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
943 | ||
9f1db00c | 944 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 945 | |
56e5cb86 JH |
946 | hci_dev_lock(hdev); |
947 | ||
d7a5a11d | 948 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
04124681 GP |
949 | mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, |
950 | rp->status); | |
56e5cb86 JH |
951 | |
952 | hci_dev_unlock(hdev); | |
a5c29683 JH |
953 | } |
954 | ||
955 | static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, | |
807deac2 | 956 | struct sk_buff *skb) |
a5c29683 JH |
957 | { |
958 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
959 | ||
9f1db00c | 960 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 961 | |
56e5cb86 JH |
962 | hci_dev_lock(hdev); |
963 | ||
d7a5a11d | 964 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 965 | mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 966 | ACL_LINK, 0, rp->status); |
56e5cb86 JH |
967 | |
968 | hci_dev_unlock(hdev); | |
a5c29683 JH |
969 | } |
970 | ||
1143d458 BG |
971 | static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) |
972 | { | |
973 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
974 | ||
9f1db00c | 975 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
976 | |
977 | hci_dev_lock(hdev); | |
978 | ||
d7a5a11d | 979 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 980 | mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, |
04124681 | 981 | 0, rp->status); |
1143d458 BG |
982 | |
983 | hci_dev_unlock(hdev); | |
984 | } | |
985 | ||
986 | static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, | |
807deac2 | 987 | struct sk_buff *skb) |
1143d458 BG |
988 | { |
989 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
990 | ||
9f1db00c | 991 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
992 | |
993 | hci_dev_lock(hdev); | |
994 | ||
d7a5a11d | 995 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
1143d458 | 996 | mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 997 | ACL_LINK, 0, rp->status); |
1143d458 BG |
998 | |
999 | hci_dev_unlock(hdev); | |
1000 | } | |
1001 | ||
4d2d2796 MH |
1002 | static void hci_cc_read_local_oob_data(struct hci_dev *hdev, |
1003 | struct sk_buff *skb) | |
c35938b2 SJ |
1004 | { |
1005 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; | |
1006 | ||
9f1db00c | 1007 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
4d2d2796 MH |
1008 | } |
1009 | ||
1010 | static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev, | |
1011 | struct sk_buff *skb) | |
1012 | { | |
1013 | struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; | |
1014 | ||
1015 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
c35938b2 SJ |
1016 | } |
1017 | ||
7a4cd51d MH |
1018 | static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb) |
1019 | { | |
1020 | __u8 status = *((__u8 *) skb->data); | |
1021 | bdaddr_t *sent; | |
1022 | ||
1023 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1024 | ||
45296acd MH |
1025 | if (status) |
1026 | return; | |
1027 | ||
7a4cd51d MH |
1028 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR); |
1029 | if (!sent) | |
1030 | return; | |
1031 | ||
1032 | hci_dev_lock(hdev); | |
1033 | ||
45296acd | 1034 | bacpy(&hdev->random_addr, sent); |
7a4cd51d MH |
1035 | |
1036 | hci_dev_unlock(hdev); | |
1037 | } | |
1038 | ||
c1d5dc4a JH |
1039 | static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) |
1040 | { | |
1041 | __u8 *sent, status = *((__u8 *) skb->data); | |
1042 | ||
1043 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1044 | ||
45296acd | 1045 | if (status) |
c1d5dc4a JH |
1046 | return; |
1047 | ||
45296acd MH |
1048 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); |
1049 | if (!sent) | |
3c857757 JH |
1050 | return; |
1051 | ||
c1d5dc4a JH |
1052 | hci_dev_lock(hdev); |
1053 | ||
49c922bb | 1054 | /* If we're doing connection initiation as peripheral. Set a |
3c857757 JH |
1055 | * timeout in case something goes wrong. |
1056 | */ | |
1057 | if (*sent) { | |
1058 | struct hci_conn *conn; | |
1059 | ||
a1536da2 | 1060 | hci_dev_set_flag(hdev, HCI_LE_ADV); |
66c417c1 | 1061 | |
e7d9ab73 | 1062 | conn = hci_lookup_le_connect(hdev); |
3c857757 JH |
1063 | if (conn) |
1064 | queue_delayed_work(hdev->workqueue, | |
1065 | &conn->le_conn_timeout, | |
09ae260b | 1066 | conn->conn_timeout); |
66c417c1 | 1067 | } else { |
a358dc11 | 1068 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
3c857757 JH |
1069 | } |
1070 | ||
04b4edcb | 1071 | hci_dev_unlock(hdev); |
c1d5dc4a JH |
1072 | } |
1073 | ||
533553f8 MH |
1074 | static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) |
1075 | { | |
1076 | struct hci_cp_le_set_scan_param *cp; | |
1077 | __u8 status = *((__u8 *) skb->data); | |
1078 | ||
1079 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1080 | ||
45296acd MH |
1081 | if (status) |
1082 | return; | |
1083 | ||
533553f8 MH |
1084 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM); |
1085 | if (!cp) | |
1086 | return; | |
1087 | ||
1088 | hci_dev_lock(hdev); | |
1089 | ||
45296acd | 1090 | hdev->le_scan_type = cp->type; |
533553f8 MH |
1091 | |
1092 | hci_dev_unlock(hdev); | |
1093 | } | |
1094 | ||
b9a6328f JH |
1095 | static bool has_pending_adv_report(struct hci_dev *hdev) |
1096 | { | |
1097 | struct discovery_state *d = &hdev->discovery; | |
1098 | ||
1099 | return bacmp(&d->last_adv_addr, BDADDR_ANY); | |
1100 | } | |
1101 | ||
1102 | static void clear_pending_adv_report(struct hci_dev *hdev) | |
1103 | { | |
1104 | struct discovery_state *d = &hdev->discovery; | |
1105 | ||
1106 | bacpy(&d->last_adv_addr, BDADDR_ANY); | |
1107 | d->last_adv_data_len = 0; | |
1108 | } | |
1109 | ||
1110 | static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c70a7e4c MH |
1111 | u8 bdaddr_type, s8 rssi, u32 flags, |
1112 | u8 *data, u8 len) | |
b9a6328f JH |
1113 | { |
1114 | struct discovery_state *d = &hdev->discovery; | |
1115 | ||
1116 | bacpy(&d->last_adv_addr, bdaddr); | |
1117 | d->last_adv_addr_type = bdaddr_type; | |
ff5cd29f | 1118 | d->last_adv_rssi = rssi; |
c70a7e4c | 1119 | d->last_adv_flags = flags; |
b9a6328f JH |
1120 | memcpy(d->last_adv_data, data, len); |
1121 | d->last_adv_data_len = len; | |
1122 | } | |
1123 | ||
eb9d91f5 | 1124 | static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, |
807deac2 | 1125 | struct sk_buff *skb) |
eb9d91f5 AG |
1126 | { |
1127 | struct hci_cp_le_set_scan_enable *cp; | |
1128 | __u8 status = *((__u8 *) skb->data); | |
1129 | ||
9f1db00c | 1130 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
eb9d91f5 | 1131 | |
45296acd | 1132 | if (status) |
eb9d91f5 AG |
1133 | return; |
1134 | ||
45296acd MH |
1135 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); |
1136 | if (!cp) | |
3fd319b8 AG |
1137 | return; |
1138 | ||
5c1a4c8f JK |
1139 | hci_dev_lock(hdev); |
1140 | ||
68a8aea4 | 1141 | switch (cp->enable) { |
76a388be | 1142 | case LE_SCAN_ENABLE: |
a1536da2 | 1143 | hci_dev_set_flag(hdev, HCI_LE_SCAN); |
b9a6328f JH |
1144 | if (hdev->le_scan_type == LE_SCAN_ACTIVE) |
1145 | clear_pending_adv_report(hdev); | |
68a8aea4 AE |
1146 | break; |
1147 | ||
76a388be | 1148 | case LE_SCAN_DISABLE: |
b9a6328f JH |
1149 | /* We do this here instead of when setting DISCOVERY_STOPPED |
1150 | * since the latter would potentially require waiting for | |
1151 | * inquiry to stop too. | |
1152 | */ | |
1153 | if (has_pending_adv_report(hdev)) { | |
1154 | struct discovery_state *d = &hdev->discovery; | |
1155 | ||
1156 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ab0aa433 | 1157 | d->last_adv_addr_type, NULL, |
c70a7e4c | 1158 | d->last_adv_rssi, d->last_adv_flags, |
ab0aa433 | 1159 | d->last_adv_data, |
b9a6328f JH |
1160 | d->last_adv_data_len, NULL, 0); |
1161 | } | |
1162 | ||
317ac8cb JH |
1163 | /* Cancel this timer so that we don't try to disable scanning |
1164 | * when it's already disabled. | |
1165 | */ | |
1166 | cancel_delayed_work(&hdev->le_scan_disable); | |
1167 | ||
a358dc11 | 1168 | hci_dev_clear_flag(hdev, HCI_LE_SCAN); |
e8bb6b97 | 1169 | |
81ad6fd9 JH |
1170 | /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we |
1171 | * interrupted scanning due to a connect request. Mark | |
e8bb6b97 JH |
1172 | * therefore discovery as stopped. If this was not |
1173 | * because of a connect request advertising might have | |
1174 | * been disabled because of active scanning, so | |
1175 | * re-enable it again if necessary. | |
81ad6fd9 | 1176 | */ |
a69d8927 | 1177 | if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED)) |
81ad6fd9 | 1178 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
d7a5a11d | 1179 | else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) && |
34722277 | 1180 | hdev->discovery.state == DISCOVERY_FINDING) |
e8bb6b97 JH |
1181 | mgmt_reenable_advertising(hdev); |
1182 | ||
68a8aea4 AE |
1183 | break; |
1184 | ||
1185 | default: | |
1186 | BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable); | |
1187 | break; | |
35815085 | 1188 | } |
5c1a4c8f JK |
1189 | |
1190 | hci_dev_unlock(hdev); | |
eb9d91f5 AG |
1191 | } |
1192 | ||
cf1d081f JH |
1193 | static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, |
1194 | struct sk_buff *skb) | |
1195 | { | |
1196 | struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; | |
1197 | ||
1198 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1199 | ||
45296acd MH |
1200 | if (rp->status) |
1201 | return; | |
1202 | ||
1203 | hdev->le_white_list_size = rp->size; | |
cf1d081f JH |
1204 | } |
1205 | ||
0f36b589 MH |
1206 | static void hci_cc_le_clear_white_list(struct hci_dev *hdev, |
1207 | struct sk_buff *skb) | |
1208 | { | |
1209 | __u8 status = *((__u8 *) skb->data); | |
1210 | ||
1211 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1212 | ||
45296acd MH |
1213 | if (status) |
1214 | return; | |
1215 | ||
dcc36c16 | 1216 | hci_bdaddr_list_clear(&hdev->le_white_list); |
0f36b589 MH |
1217 | } |
1218 | ||
1219 | static void hci_cc_le_add_to_white_list(struct hci_dev *hdev, | |
1220 | struct sk_buff *skb) | |
1221 | { | |
1222 | struct hci_cp_le_add_to_white_list *sent; | |
1223 | __u8 status = *((__u8 *) skb->data); | |
1224 | ||
1225 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1226 | ||
45296acd MH |
1227 | if (status) |
1228 | return; | |
1229 | ||
0f36b589 MH |
1230 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); |
1231 | if (!sent) | |
1232 | return; | |
1233 | ||
dcc36c16 JH |
1234 | hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr, |
1235 | sent->bdaddr_type); | |
0f36b589 MH |
1236 | } |
1237 | ||
1238 | static void hci_cc_le_del_from_white_list(struct hci_dev *hdev, | |
1239 | struct sk_buff *skb) | |
1240 | { | |
1241 | struct hci_cp_le_del_from_white_list *sent; | |
1242 | __u8 status = *((__u8 *) skb->data); | |
1243 | ||
1244 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1245 | ||
45296acd MH |
1246 | if (status) |
1247 | return; | |
1248 | ||
0f36b589 MH |
1249 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); |
1250 | if (!sent) | |
1251 | return; | |
1252 | ||
dcc36c16 JH |
1253 | hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr, |
1254 | sent->bdaddr_type); | |
0f36b589 MH |
1255 | } |
1256 | ||
9b008c04 JH |
1257 | static void hci_cc_le_read_supported_states(struct hci_dev *hdev, |
1258 | struct sk_buff *skb) | |
1259 | { | |
1260 | struct hci_rp_le_read_supported_states *rp = (void *) skb->data; | |
1261 | ||
1262 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1263 | ||
45296acd MH |
1264 | if (rp->status) |
1265 | return; | |
1266 | ||
1267 | memcpy(hdev->le_states, rp->le_states, 8); | |
9b008c04 JH |
1268 | } |
1269 | ||
a8e1bfaa MH |
1270 | static void hci_cc_le_read_def_data_len(struct hci_dev *hdev, |
1271 | struct sk_buff *skb) | |
1272 | { | |
1273 | struct hci_rp_le_read_def_data_len *rp = (void *) skb->data; | |
1274 | ||
1275 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1276 | ||
1277 | if (rp->status) | |
1278 | return; | |
1279 | ||
1280 | hdev->le_def_tx_len = le16_to_cpu(rp->tx_len); | |
1281 | hdev->le_def_tx_time = le16_to_cpu(rp->tx_time); | |
1282 | } | |
1283 | ||
1284 | static void hci_cc_le_write_def_data_len(struct hci_dev *hdev, | |
1285 | struct sk_buff *skb) | |
1286 | { | |
1287 | struct hci_cp_le_write_def_data_len *sent; | |
1288 | __u8 status = *((__u8 *) skb->data); | |
1289 | ||
1290 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1291 | ||
1292 | if (status) | |
1293 | return; | |
1294 | ||
1295 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN); | |
1296 | if (!sent) | |
1297 | return; | |
1298 | ||
1299 | hdev->le_def_tx_len = le16_to_cpu(sent->tx_len); | |
1300 | hdev->le_def_tx_time = le16_to_cpu(sent->tx_time); | |
1301 | } | |
1302 | ||
1303 | static void hci_cc_le_read_max_data_len(struct hci_dev *hdev, | |
1304 | struct sk_buff *skb) | |
1305 | { | |
1306 | struct hci_rp_le_read_max_data_len *rp = (void *) skb->data; | |
1307 | ||
1308 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1309 | ||
1310 | if (rp->status) | |
1311 | return; | |
1312 | ||
1313 | hdev->le_max_tx_len = le16_to_cpu(rp->tx_len); | |
1314 | hdev->le_max_tx_time = le16_to_cpu(rp->tx_time); | |
1315 | hdev->le_max_rx_len = le16_to_cpu(rp->rx_len); | |
1316 | hdev->le_max_rx_time = le16_to_cpu(rp->rx_time); | |
1317 | } | |
1318 | ||
6039aa73 GP |
1319 | static void hci_cc_write_le_host_supported(struct hci_dev *hdev, |
1320 | struct sk_buff *skb) | |
f9b49306 | 1321 | { |
06199cf8 | 1322 | struct hci_cp_write_le_host_supported *sent; |
f9b49306 AG |
1323 | __u8 status = *((__u8 *) skb->data); |
1324 | ||
9f1db00c | 1325 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f9b49306 | 1326 | |
45296acd MH |
1327 | if (status) |
1328 | return; | |
1329 | ||
06199cf8 | 1330 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); |
8f984dfa | 1331 | if (!sent) |
f9b49306 AG |
1332 | return; |
1333 | ||
5c1a4c8f JK |
1334 | hci_dev_lock(hdev); |
1335 | ||
45296acd MH |
1336 | if (sent->le) { |
1337 | hdev->features[1][0] |= LMP_HOST_LE; | |
a1536da2 | 1338 | hci_dev_set_flag(hdev, HCI_LE_ENABLED); |
45296acd MH |
1339 | } else { |
1340 | hdev->features[1][0] &= ~LMP_HOST_LE; | |
a358dc11 MH |
1341 | hci_dev_clear_flag(hdev, HCI_LE_ENABLED); |
1342 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); | |
8f984dfa | 1343 | } |
45296acd MH |
1344 | |
1345 | if (sent->simul) | |
1346 | hdev->features[1][0] |= LMP_HOST_LE_BREDR; | |
1347 | else | |
1348 | hdev->features[1][0] &= ~LMP_HOST_LE_BREDR; | |
5c1a4c8f JK |
1349 | |
1350 | hci_dev_unlock(hdev); | |
f9b49306 AG |
1351 | } |
1352 | ||
56ed2cb8 JH |
1353 | static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1354 | { | |
1355 | struct hci_cp_le_set_adv_param *cp; | |
1356 | u8 status = *((u8 *) skb->data); | |
1357 | ||
1358 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1359 | ||
1360 | if (status) | |
1361 | return; | |
1362 | ||
1363 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM); | |
1364 | if (!cp) | |
1365 | return; | |
1366 | ||
1367 | hci_dev_lock(hdev); | |
1368 | hdev->adv_addr_type = cp->own_address_type; | |
1369 | hci_dev_unlock(hdev); | |
1370 | } | |
1371 | ||
5ae76a94 AK |
1372 | static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) |
1373 | { | |
1374 | struct hci_rp_read_rssi *rp = (void *) skb->data; | |
1375 | struct hci_conn *conn; | |
1376 | ||
1377 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1378 | ||
1379 | if (rp->status) | |
1380 | return; | |
1381 | ||
1382 | hci_dev_lock(hdev); | |
1383 | ||
1384 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
1385 | if (conn) | |
1386 | conn->rssi = rp->rssi; | |
1387 | ||
1388 | hci_dev_unlock(hdev); | |
1389 | } | |
1390 | ||
5a134fae AK |
1391 | static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) |
1392 | { | |
1393 | struct hci_cp_read_tx_power *sent; | |
1394 | struct hci_rp_read_tx_power *rp = (void *) skb->data; | |
1395 | struct hci_conn *conn; | |
1396 | ||
1397 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1398 | ||
1399 | if (rp->status) | |
1400 | return; | |
1401 | ||
1402 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
1403 | if (!sent) | |
1404 | return; | |
1405 | ||
1406 | hci_dev_lock(hdev); | |
1407 | ||
1408 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
d0455ed9 AK |
1409 | if (!conn) |
1410 | goto unlock; | |
1411 | ||
1412 | switch (sent->type) { | |
1413 | case 0x00: | |
5a134fae | 1414 | conn->tx_power = rp->tx_power; |
d0455ed9 AK |
1415 | break; |
1416 | case 0x01: | |
1417 | conn->max_tx_power = rp->tx_power; | |
1418 | break; | |
1419 | } | |
5a134fae | 1420 | |
d0455ed9 | 1421 | unlock: |
5a134fae AK |
1422 | hci_dev_unlock(hdev); |
1423 | } | |
1424 | ||
c50b33c8 MH |
1425 | static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1426 | { | |
1427 | u8 status = *((u8 *) skb->data); | |
1428 | u8 *mode; | |
1429 | ||
1430 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1431 | ||
1432 | if (status) | |
1433 | return; | |
1434 | ||
1435 | mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE); | |
1436 | if (mode) | |
1437 | hdev->ssp_debug_mode = *mode; | |
1438 | } | |
1439 | ||
6039aa73 | 1440 | static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
a9de9248 | 1441 | { |
9f1db00c | 1442 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1443 | |
1444 | if (status) { | |
a9de9248 | 1445 | hci_conn_check_pending(hdev); |
314b2381 JH |
1446 | return; |
1447 | } | |
1448 | ||
89352e7d | 1449 | set_bit(HCI_INQUIRY, &hdev->flags); |
1da177e4 LT |
1450 | } |
1451 | ||
6039aa73 | 1452 | static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1453 | { |
a9de9248 | 1454 | struct hci_cp_create_conn *cp; |
1da177e4 | 1455 | struct hci_conn *conn; |
1da177e4 | 1456 | |
9f1db00c | 1457 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1458 | |
1459 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); | |
1da177e4 LT |
1460 | if (!cp) |
1461 | return; | |
1462 | ||
1463 | hci_dev_lock(hdev); | |
1464 | ||
1465 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
1466 | ||
6ed93dc6 | 1467 | BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); |
1da177e4 LT |
1468 | |
1469 | if (status) { | |
1470 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
1471 | if (status != 0x0c || conn->attempt > 2) { |
1472 | conn->state = BT_CLOSED; | |
539c496d | 1473 | hci_connect_cfm(conn, status); |
4c67bc74 MH |
1474 | hci_conn_del(conn); |
1475 | } else | |
1476 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
1477 | } |
1478 | } else { | |
1479 | if (!conn) { | |
a5c4e309 JH |
1480 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr, |
1481 | HCI_ROLE_MASTER); | |
1482 | if (!conn) | |
893ef971 | 1483 | BT_ERR("No memory for new connection"); |
1da177e4 LT |
1484 | } |
1485 | } | |
1486 | ||
1487 | hci_dev_unlock(hdev); | |
1488 | } | |
1489 | ||
a9de9248 | 1490 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1491 | { |
a9de9248 MH |
1492 | struct hci_cp_add_sco *cp; |
1493 | struct hci_conn *acl, *sco; | |
1494 | __u16 handle; | |
1da177e4 | 1495 | |
9f1db00c | 1496 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 | 1497 | |
a9de9248 MH |
1498 | if (!status) |
1499 | return; | |
1da177e4 | 1500 | |
a9de9248 MH |
1501 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
1502 | if (!cp) | |
1503 | return; | |
1da177e4 | 1504 | |
a9de9248 | 1505 | handle = __le16_to_cpu(cp->handle); |
1da177e4 | 1506 | |
9f1db00c | 1507 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
1da177e4 | 1508 | |
a9de9248 | 1509 | hci_dev_lock(hdev); |
1da177e4 | 1510 | |
a9de9248 | 1511 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
5a08ecce AE |
1512 | if (acl) { |
1513 | sco = acl->link; | |
1514 | if (sco) { | |
1515 | sco->state = BT_CLOSED; | |
1da177e4 | 1516 | |
539c496d | 1517 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1518 | hci_conn_del(sco); |
1519 | } | |
a9de9248 | 1520 | } |
1da177e4 | 1521 | |
a9de9248 MH |
1522 | hci_dev_unlock(hdev); |
1523 | } | |
1da177e4 | 1524 | |
f8558555 MH |
1525 | static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) |
1526 | { | |
1527 | struct hci_cp_auth_requested *cp; | |
1528 | struct hci_conn *conn; | |
1529 | ||
9f1db00c | 1530 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1531 | |
1532 | if (!status) | |
1533 | return; | |
1534 | ||
1535 | cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); | |
1536 | if (!cp) | |
1537 | return; | |
1538 | ||
1539 | hci_dev_lock(hdev); | |
1540 | ||
1541 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1542 | if (conn) { | |
1543 | if (conn->state == BT_CONFIG) { | |
539c496d | 1544 | hci_connect_cfm(conn, status); |
76a68ba0 | 1545 | hci_conn_drop(conn); |
f8558555 MH |
1546 | } |
1547 | } | |
1548 | ||
1549 | hci_dev_unlock(hdev); | |
1550 | } | |
1551 | ||
1552 | static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) | |
1553 | { | |
1554 | struct hci_cp_set_conn_encrypt *cp; | |
1555 | struct hci_conn *conn; | |
1556 | ||
9f1db00c | 1557 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1558 | |
1559 | if (!status) | |
1560 | return; | |
1561 | ||
1562 | cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); | |
1563 | if (!cp) | |
1564 | return; | |
1565 | ||
1566 | hci_dev_lock(hdev); | |
1567 | ||
1568 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1569 | if (conn) { | |
1570 | if (conn->state == BT_CONFIG) { | |
539c496d | 1571 | hci_connect_cfm(conn, status); |
76a68ba0 | 1572 | hci_conn_drop(conn); |
f8558555 MH |
1573 | } |
1574 | } | |
1575 | ||
1576 | hci_dev_unlock(hdev); | |
1577 | } | |
1578 | ||
127178d2 | 1579 | static int hci_outgoing_auth_needed(struct hci_dev *hdev, |
807deac2 | 1580 | struct hci_conn *conn) |
392599b9 | 1581 | { |
392599b9 JH |
1582 | if (conn->state != BT_CONFIG || !conn->out) |
1583 | return 0; | |
1584 | ||
765c2a96 | 1585 | if (conn->pending_sec_level == BT_SECURITY_SDP) |
392599b9 JH |
1586 | return 0; |
1587 | ||
1588 | /* Only request authentication for SSP connections or non-SSP | |
264b8b4e JH |
1589 | * devices with sec_level MEDIUM or HIGH or if MITM protection |
1590 | * is requested. | |
1591 | */ | |
807deac2 | 1592 | if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && |
7e3691e1 | 1593 | conn->pending_sec_level != BT_SECURITY_FIPS && |
264b8b4e JH |
1594 | conn->pending_sec_level != BT_SECURITY_HIGH && |
1595 | conn->pending_sec_level != BT_SECURITY_MEDIUM) | |
392599b9 JH |
1596 | return 0; |
1597 | ||
392599b9 JH |
1598 | return 1; |
1599 | } | |
1600 | ||
6039aa73 | 1601 | static int hci_resolve_name(struct hci_dev *hdev, |
04124681 | 1602 | struct inquiry_entry *e) |
30dc78e1 JH |
1603 | { |
1604 | struct hci_cp_remote_name_req cp; | |
1605 | ||
1606 | memset(&cp, 0, sizeof(cp)); | |
1607 | ||
1608 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1609 | cp.pscan_rep_mode = e->data.pscan_rep_mode; | |
1610 | cp.pscan_mode = e->data.pscan_mode; | |
1611 | cp.clock_offset = e->data.clock_offset; | |
1612 | ||
1613 | return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
1614 | } | |
1615 | ||
b644ba33 | 1616 | static bool hci_resolve_next_name(struct hci_dev *hdev) |
30dc78e1 JH |
1617 | { |
1618 | struct discovery_state *discov = &hdev->discovery; | |
1619 | struct inquiry_entry *e; | |
1620 | ||
b644ba33 JH |
1621 | if (list_empty(&discov->resolve)) |
1622 | return false; | |
1623 | ||
1624 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
c810089c RM |
1625 | if (!e) |
1626 | return false; | |
1627 | ||
b644ba33 JH |
1628 | if (hci_resolve_name(hdev, e) == 0) { |
1629 | e->name_state = NAME_PENDING; | |
1630 | return true; | |
1631 | } | |
1632 | ||
1633 | return false; | |
1634 | } | |
1635 | ||
1636 | static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, | |
04124681 | 1637 | bdaddr_t *bdaddr, u8 *name, u8 name_len) |
b644ba33 JH |
1638 | { |
1639 | struct discovery_state *discov = &hdev->discovery; | |
1640 | struct inquiry_entry *e; | |
1641 | ||
60cb49d2 JH |
1642 | /* Update the mgmt connected state if necessary. Be careful with |
1643 | * conn objects that exist but are not (yet) connected however. | |
1644 | * Only those in BT_CONFIG or BT_CONNECTED states can be | |
1645 | * considered connected. | |
1646 | */ | |
1647 | if (conn && | |
1648 | (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) && | |
cb77c3ec | 1649 | !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 1650 | mgmt_device_connected(hdev, conn, 0, name, name_len); |
b644ba33 JH |
1651 | |
1652 | if (discov->state == DISCOVERY_STOPPED) | |
1653 | return; | |
1654 | ||
30dc78e1 JH |
1655 | if (discov->state == DISCOVERY_STOPPING) |
1656 | goto discov_complete; | |
1657 | ||
1658 | if (discov->state != DISCOVERY_RESOLVING) | |
1659 | return; | |
1660 | ||
1661 | e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); | |
7cc8380e RM |
1662 | /* If the device was not found in a list of found devices names of which |
1663 | * are pending. there is no need to continue resolving a next name as it | |
1664 | * will be done upon receiving another Remote Name Request Complete | |
1665 | * Event */ | |
1666 | if (!e) | |
1667 | return; | |
1668 | ||
1669 | list_del(&e->list); | |
1670 | if (name) { | |
30dc78e1 | 1671 | e->name_state = NAME_KNOWN; |
7cc8380e RM |
1672 | mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, |
1673 | e->data.rssi, name, name_len); | |
c3e7c0d9 RM |
1674 | } else { |
1675 | e->name_state = NAME_NOT_KNOWN; | |
30dc78e1 JH |
1676 | } |
1677 | ||
b644ba33 | 1678 | if (hci_resolve_next_name(hdev)) |
30dc78e1 | 1679 | return; |
30dc78e1 JH |
1680 | |
1681 | discov_complete: | |
1682 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
1683 | } | |
1684 | ||
a9de9248 MH |
1685 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
1686 | { | |
127178d2 JH |
1687 | struct hci_cp_remote_name_req *cp; |
1688 | struct hci_conn *conn; | |
1689 | ||
9f1db00c | 1690 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
127178d2 JH |
1691 | |
1692 | /* If successful wait for the name req complete event before | |
1693 | * checking for the need to do authentication */ | |
1694 | if (!status) | |
1695 | return; | |
1696 | ||
1697 | cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); | |
1698 | if (!cp) | |
1699 | return; | |
1700 | ||
1701 | hci_dev_lock(hdev); | |
1702 | ||
b644ba33 JH |
1703 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
1704 | ||
d7a5a11d | 1705 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 1706 | hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); |
30dc78e1 | 1707 | |
79c6c70c JH |
1708 | if (!conn) |
1709 | goto unlock; | |
1710 | ||
1711 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
1712 | goto unlock; | |
1713 | ||
51a8efd7 | 1714 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
c1f23a2b JB |
1715 | struct hci_cp_auth_requested auth_cp; |
1716 | ||
977f8fce JH |
1717 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); |
1718 | ||
c1f23a2b JB |
1719 | auth_cp.handle = __cpu_to_le16(conn->handle); |
1720 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, | |
1721 | sizeof(auth_cp), &auth_cp); | |
127178d2 JH |
1722 | } |
1723 | ||
79c6c70c | 1724 | unlock: |
127178d2 | 1725 | hci_dev_unlock(hdev); |
a9de9248 | 1726 | } |
1da177e4 | 1727 | |
769be974 MH |
1728 | static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) |
1729 | { | |
1730 | struct hci_cp_read_remote_features *cp; | |
1731 | struct hci_conn *conn; | |
1732 | ||
9f1db00c | 1733 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
1734 | |
1735 | if (!status) | |
1736 | return; | |
1737 | ||
1738 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); | |
1739 | if (!cp) | |
1740 | return; | |
1741 | ||
1742 | hci_dev_lock(hdev); | |
1743 | ||
1744 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1745 | if (conn) { | |
1746 | if (conn->state == BT_CONFIG) { | |
539c496d | 1747 | hci_connect_cfm(conn, status); |
76a68ba0 | 1748 | hci_conn_drop(conn); |
769be974 MH |
1749 | } |
1750 | } | |
1751 | ||
1752 | hci_dev_unlock(hdev); | |
1753 | } | |
1754 | ||
1755 | static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) | |
1756 | { | |
1757 | struct hci_cp_read_remote_ext_features *cp; | |
1758 | struct hci_conn *conn; | |
1759 | ||
9f1db00c | 1760 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
1761 | |
1762 | if (!status) | |
1763 | return; | |
1764 | ||
1765 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); | |
1766 | if (!cp) | |
1767 | return; | |
1768 | ||
1769 | hci_dev_lock(hdev); | |
1770 | ||
1771 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1772 | if (conn) { | |
1773 | if (conn->state == BT_CONFIG) { | |
539c496d | 1774 | hci_connect_cfm(conn, status); |
76a68ba0 | 1775 | hci_conn_drop(conn); |
769be974 MH |
1776 | } |
1777 | } | |
1778 | ||
1779 | hci_dev_unlock(hdev); | |
1780 | } | |
1781 | ||
a9de9248 MH |
1782 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
1783 | { | |
b6a0dc82 MH |
1784 | struct hci_cp_setup_sync_conn *cp; |
1785 | struct hci_conn *acl, *sco; | |
1786 | __u16 handle; | |
1787 | ||
9f1db00c | 1788 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 MH |
1789 | |
1790 | if (!status) | |
1791 | return; | |
1792 | ||
1793 | cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); | |
1794 | if (!cp) | |
1795 | return; | |
1796 | ||
1797 | handle = __le16_to_cpu(cp->handle); | |
1798 | ||
9f1db00c | 1799 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
b6a0dc82 MH |
1800 | |
1801 | hci_dev_lock(hdev); | |
1802 | ||
1803 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
5a08ecce AE |
1804 | if (acl) { |
1805 | sco = acl->link; | |
1806 | if (sco) { | |
1807 | sco->state = BT_CLOSED; | |
b6a0dc82 | 1808 | |
539c496d | 1809 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1810 | hci_conn_del(sco); |
1811 | } | |
b6a0dc82 MH |
1812 | } |
1813 | ||
1814 | hci_dev_unlock(hdev); | |
1da177e4 LT |
1815 | } |
1816 | ||
a9de9248 | 1817 | static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1818 | { |
a9de9248 MH |
1819 | struct hci_cp_sniff_mode *cp; |
1820 | struct hci_conn *conn; | |
1da177e4 | 1821 | |
9f1db00c | 1822 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 1823 | |
a9de9248 MH |
1824 | if (!status) |
1825 | return; | |
04837f64 | 1826 | |
a9de9248 MH |
1827 | cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
1828 | if (!cp) | |
1829 | return; | |
04837f64 | 1830 | |
a9de9248 | 1831 | hci_dev_lock(hdev); |
04837f64 | 1832 | |
a9de9248 | 1833 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 1834 | if (conn) { |
51a8efd7 | 1835 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
04837f64 | 1836 | |
51a8efd7 | 1837 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
1838 | hci_sco_setup(conn, status); |
1839 | } | |
1840 | ||
a9de9248 MH |
1841 | hci_dev_unlock(hdev); |
1842 | } | |
04837f64 | 1843 | |
a9de9248 MH |
1844 | static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) |
1845 | { | |
1846 | struct hci_cp_exit_sniff_mode *cp; | |
1847 | struct hci_conn *conn; | |
04837f64 | 1848 | |
9f1db00c | 1849 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 1850 | |
a9de9248 MH |
1851 | if (!status) |
1852 | return; | |
04837f64 | 1853 | |
a9de9248 MH |
1854 | cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
1855 | if (!cp) | |
1856 | return; | |
04837f64 | 1857 | |
a9de9248 | 1858 | hci_dev_lock(hdev); |
1da177e4 | 1859 | |
a9de9248 | 1860 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 1861 | if (conn) { |
51a8efd7 | 1862 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
1da177e4 | 1863 | |
51a8efd7 | 1864 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
1865 | hci_sco_setup(conn, status); |
1866 | } | |
1867 | ||
a9de9248 | 1868 | hci_dev_unlock(hdev); |
1da177e4 LT |
1869 | } |
1870 | ||
88c3df13 JH |
1871 | static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) |
1872 | { | |
1873 | struct hci_cp_disconnect *cp; | |
1874 | struct hci_conn *conn; | |
1875 | ||
1876 | if (!status) | |
1877 | return; | |
1878 | ||
1879 | cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); | |
1880 | if (!cp) | |
1881 | return; | |
1882 | ||
1883 | hci_dev_lock(hdev); | |
1884 | ||
1885 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1886 | if (conn) | |
1887 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
04124681 | 1888 | conn->dst_type, status); |
88c3df13 JH |
1889 | |
1890 | hci_dev_unlock(hdev); | |
1891 | } | |
1892 | ||
cb1d68f7 JH |
1893 | static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status) |
1894 | { | |
1895 | struct hci_cp_le_create_conn *cp; | |
1896 | struct hci_conn *conn; | |
1897 | ||
1898 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1899 | ||
1900 | /* All connection failure handling is taken care of by the | |
1901 | * hci_le_conn_failed function which is triggered by the HCI | |
1902 | * request completion callbacks used for connecting. | |
1903 | */ | |
1904 | if (status) | |
1905 | return; | |
1906 | ||
1907 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); | |
1908 | if (!cp) | |
1909 | return; | |
1910 | ||
1911 | hci_dev_lock(hdev); | |
1912 | ||
1913 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr); | |
1914 | if (!conn) | |
1915 | goto unlock; | |
1916 | ||
1917 | /* Store the initiator and responder address information which | |
1918 | * is needed for SMP. These values will not change during the | |
1919 | * lifetime of the connection. | |
1920 | */ | |
1921 | conn->init_addr_type = cp->own_address_type; | |
1922 | if (cp->own_address_type == ADDR_LE_DEV_RANDOM) | |
1923 | bacpy(&conn->init_addr, &hdev->random_addr); | |
1924 | else | |
1925 | bacpy(&conn->init_addr, &hdev->bdaddr); | |
1926 | ||
1927 | conn->resp_addr_type = cp->peer_addr_type; | |
1928 | bacpy(&conn->resp_addr, &cp->peer_addr); | |
1929 | ||
9489eca4 JH |
1930 | /* We don't want the connection attempt to stick around |
1931 | * indefinitely since LE doesn't have a page timeout concept | |
1932 | * like BR/EDR. Set a timer for any connection that doesn't use | |
1933 | * the white list for connecting. | |
1934 | */ | |
1935 | if (cp->filter_policy == HCI_LE_USE_PEER_ADDR) | |
1936 | queue_delayed_work(conn->hdev->workqueue, | |
1937 | &conn->le_conn_timeout, | |
09ae260b | 1938 | conn->conn_timeout); |
9489eca4 | 1939 | |
cb1d68f7 JH |
1940 | unlock: |
1941 | hci_dev_unlock(hdev); | |
1942 | } | |
1943 | ||
0fe29fd1 MH |
1944 | static void hci_cs_le_read_remote_features(struct hci_dev *hdev, u8 status) |
1945 | { | |
1946 | struct hci_cp_le_read_remote_features *cp; | |
1947 | struct hci_conn *conn; | |
1948 | ||
1949 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1950 | ||
1951 | if (!status) | |
1952 | return; | |
1953 | ||
1954 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_READ_REMOTE_FEATURES); | |
1955 | if (!cp) | |
1956 | return; | |
1957 | ||
1958 | hci_dev_lock(hdev); | |
1959 | ||
1960 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1961 | if (conn) { | |
1962 | if (conn->state == BT_CONFIG) { | |
1963 | hci_connect_cfm(conn, status); | |
1964 | hci_conn_drop(conn); | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | hci_dev_unlock(hdev); | |
1969 | } | |
1970 | ||
81d0c8ad JH |
1971 | static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) |
1972 | { | |
1973 | struct hci_cp_le_start_enc *cp; | |
1974 | struct hci_conn *conn; | |
1975 | ||
1976 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1977 | ||
1978 | if (!status) | |
1979 | return; | |
1980 | ||
1981 | hci_dev_lock(hdev); | |
1982 | ||
1983 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); | |
1984 | if (!cp) | |
1985 | goto unlock; | |
1986 | ||
1987 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1988 | if (!conn) | |
1989 | goto unlock; | |
1990 | ||
1991 | if (conn->state != BT_CONNECTED) | |
1992 | goto unlock; | |
1993 | ||
1994 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
1995 | hci_conn_drop(conn); | |
1996 | ||
1997 | unlock: | |
1998 | hci_dev_unlock(hdev); | |
1999 | } | |
2000 | ||
50fc85f1 KP |
2001 | static void hci_cs_switch_role(struct hci_dev *hdev, u8 status) |
2002 | { | |
2003 | struct hci_cp_switch_role *cp; | |
2004 | struct hci_conn *conn; | |
2005 | ||
2006 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2007 | ||
2008 | if (!status) | |
2009 | return; | |
2010 | ||
2011 | cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE); | |
2012 | if (!cp) | |
2013 | return; | |
2014 | ||
2015 | hci_dev_lock(hdev); | |
2016 | ||
2017 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
2018 | if (conn) | |
2019 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); | |
2020 | ||
2021 | hci_dev_unlock(hdev); | |
2022 | } | |
2023 | ||
6039aa73 | 2024 | static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 LT |
2025 | { |
2026 | __u8 status = *((__u8 *) skb->data); | |
30dc78e1 JH |
2027 | struct discovery_state *discov = &hdev->discovery; |
2028 | struct inquiry_entry *e; | |
1da177e4 | 2029 | |
9f1db00c | 2030 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 2031 | |
a9de9248 | 2032 | hci_conn_check_pending(hdev); |
89352e7d AG |
2033 | |
2034 | if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) | |
2035 | return; | |
2036 | ||
4e857c58 | 2037 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e AG |
2038 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
2039 | ||
d7a5a11d | 2040 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
30dc78e1 JH |
2041 | return; |
2042 | ||
56e5cb86 | 2043 | hci_dev_lock(hdev); |
30dc78e1 | 2044 | |
343f935b | 2045 | if (discov->state != DISCOVERY_FINDING) |
30dc78e1 JH |
2046 | goto unlock; |
2047 | ||
2048 | if (list_empty(&discov->resolve)) { | |
07d2334a JP |
2049 | /* When BR/EDR inquiry is active and no LE scanning is in |
2050 | * progress, then change discovery state to indicate completion. | |
2051 | * | |
2052 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2053 | * and the LE scan already finished, then change the discovery | |
2054 | * state to indicate completion. | |
2055 | */ | |
2056 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2057 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2058 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2059 | goto unlock; |
2060 | } | |
2061 | ||
2062 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
2063 | if (e && hci_resolve_name(hdev, e) == 0) { | |
2064 | e->name_state = NAME_PENDING; | |
2065 | hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); | |
2066 | } else { | |
07d2334a JP |
2067 | /* When BR/EDR inquiry is active and no LE scanning is in |
2068 | * progress, then change discovery state to indicate completion. | |
2069 | * | |
2070 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2071 | * and the LE scan already finished, then change the discovery | |
2072 | * state to indicate completion. | |
2073 | */ | |
2074 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2075 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2076 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2077 | } |
2078 | ||
2079 | unlock: | |
56e5cb86 | 2080 | hci_dev_unlock(hdev); |
1da177e4 LT |
2081 | } |
2082 | ||
6039aa73 | 2083 | static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2084 | { |
45bb4bf0 | 2085 | struct inquiry_data data; |
a9de9248 | 2086 | struct inquiry_info *info = (void *) (skb->data + 1); |
1da177e4 LT |
2087 | int num_rsp = *((__u8 *) skb->data); |
2088 | ||
2089 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
2090 | ||
45bb4bf0 MH |
2091 | if (!num_rsp) |
2092 | return; | |
2093 | ||
d7a5a11d | 2094 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
2095 | return; |
2096 | ||
1da177e4 | 2097 | hci_dev_lock(hdev); |
45bb4bf0 | 2098 | |
e17acd40 | 2099 | for (; num_rsp; num_rsp--, info++) { |
af58925c | 2100 | u32 flags; |
3175405b | 2101 | |
1da177e4 LT |
2102 | bacpy(&data.bdaddr, &info->bdaddr); |
2103 | data.pscan_rep_mode = info->pscan_rep_mode; | |
2104 | data.pscan_period_mode = info->pscan_period_mode; | |
2105 | data.pscan_mode = info->pscan_mode; | |
2106 | memcpy(data.dev_class, info->dev_class, 3); | |
2107 | data.clock_offset = info->clock_offset; | |
efb2513f | 2108 | data.rssi = HCI_RSSI_INVALID; |
41a96212 | 2109 | data.ssp_mode = 0x00; |
3175405b | 2110 | |
af58925c MH |
2111 | flags = hci_inquiry_cache_update(hdev, &data, false); |
2112 | ||
48264f06 | 2113 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
efb2513f MH |
2114 | info->dev_class, HCI_RSSI_INVALID, |
2115 | flags, NULL, 0, NULL, 0); | |
1da177e4 | 2116 | } |
45bb4bf0 | 2117 | |
1da177e4 LT |
2118 | hci_dev_unlock(hdev); |
2119 | } | |
2120 | ||
6039aa73 | 2121 | static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2122 | { |
a9de9248 MH |
2123 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
2124 | struct hci_conn *conn; | |
1da177e4 LT |
2125 | |
2126 | BT_DBG("%s", hdev->name); | |
2127 | ||
2128 | hci_dev_lock(hdev); | |
2129 | ||
2130 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9499237a MH |
2131 | if (!conn) { |
2132 | if (ev->link_type != SCO_LINK) | |
2133 | goto unlock; | |
2134 | ||
2135 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); | |
2136 | if (!conn) | |
2137 | goto unlock; | |
2138 | ||
2139 | conn->type = SCO_LINK; | |
2140 | } | |
1da177e4 LT |
2141 | |
2142 | if (!ev->status) { | |
2143 | conn->handle = __le16_to_cpu(ev->handle); | |
769be974 MH |
2144 | |
2145 | if (conn->type == ACL_LINK) { | |
2146 | conn->state = BT_CONFIG; | |
2147 | hci_conn_hold(conn); | |
a9ea3ed9 SJ |
2148 | |
2149 | if (!conn->out && !hci_conn_ssp_enabled(conn) && | |
2150 | !hci_find_link_key(hdev, &ev->bdaddr)) | |
2151 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
2152 | else | |
2153 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
769be974 MH |
2154 | } else |
2155 | conn->state = BT_CONNECTED; | |
1da177e4 | 2156 | |
23b9ceb7 | 2157 | hci_debugfs_create_conn(conn); |
7d0db0a3 MH |
2158 | hci_conn_add_sysfs(conn); |
2159 | ||
1da177e4 | 2160 | if (test_bit(HCI_AUTH, &hdev->flags)) |
4dae2798 | 2161 | set_bit(HCI_CONN_AUTH, &conn->flags); |
1da177e4 LT |
2162 | |
2163 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
4dae2798 | 2164 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
1da177e4 | 2165 | |
04837f64 MH |
2166 | /* Get remote features */ |
2167 | if (conn->type == ACL_LINK) { | |
2168 | struct hci_cp_read_remote_features cp; | |
2169 | cp.handle = ev->handle; | |
769be974 | 2170 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
04124681 | 2171 | sizeof(cp), &cp); |
22f433dc | 2172 | |
1d2dc5b7 | 2173 | hci_update_page_scan(hdev); |
04837f64 MH |
2174 | } |
2175 | ||
1da177e4 | 2176 | /* Set packet type for incoming connection */ |
d095c1eb | 2177 | if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { |
1da177e4 LT |
2178 | struct hci_cp_change_conn_ptype cp; |
2179 | cp.handle = ev->handle; | |
a8746417 | 2180 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
04124681 GP |
2181 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), |
2182 | &cp); | |
1da177e4 | 2183 | } |
17d5c04c | 2184 | } else { |
1da177e4 | 2185 | conn->state = BT_CLOSED; |
17d5c04c | 2186 | if (conn->type == ACL_LINK) |
64c7b77c | 2187 | mgmt_connect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2188 | conn->dst_type, ev->status); |
17d5c04c | 2189 | } |
1da177e4 | 2190 | |
e73439d8 MH |
2191 | if (conn->type == ACL_LINK) |
2192 | hci_sco_setup(conn, ev->status); | |
1da177e4 | 2193 | |
769be974 | 2194 | if (ev->status) { |
539c496d | 2195 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2196 | hci_conn_del(conn); |
c89b6e6b | 2197 | } else if (ev->link_type != ACL_LINK) |
539c496d | 2198 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2199 | |
a9de9248 | 2200 | unlock: |
1da177e4 | 2201 | hci_dev_unlock(hdev); |
1da177e4 | 2202 | |
a9de9248 | 2203 | hci_conn_check_pending(hdev); |
1da177e4 LT |
2204 | } |
2205 | ||
70c46425 JH |
2206 | static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr) |
2207 | { | |
2208 | struct hci_cp_reject_conn_req cp; | |
2209 | ||
2210 | bacpy(&cp.bdaddr, bdaddr); | |
2211 | cp.reason = HCI_ERROR_REJ_BAD_ADDR; | |
2212 | hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); | |
2213 | } | |
2214 | ||
6039aa73 | 2215 | static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2216 | { |
a9de9248 MH |
2217 | struct hci_ev_conn_request *ev = (void *) skb->data; |
2218 | int mask = hdev->link_mode; | |
70c46425 JH |
2219 | struct inquiry_entry *ie; |
2220 | struct hci_conn *conn; | |
20714bfe | 2221 | __u8 flags = 0; |
1da177e4 | 2222 | |
6ed93dc6 | 2223 | BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, |
807deac2 | 2224 | ev->link_type); |
1da177e4 | 2225 | |
20714bfe FD |
2226 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, |
2227 | &flags); | |
1da177e4 | 2228 | |
70c46425 JH |
2229 | if (!(mask & HCI_LM_ACCEPT)) { |
2230 | hci_reject_conn(hdev, &ev->bdaddr); | |
2231 | return; | |
2232 | } | |
2233 | ||
46c4c941 JH |
2234 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr, |
2235 | BDADDR_BREDR)) { | |
2236 | hci_reject_conn(hdev, &ev->bdaddr); | |
2237 | return; | |
2238 | } | |
2239 | ||
6a8fc95c JH |
2240 | /* Require HCI_CONNECTABLE or a whitelist entry to accept the |
2241 | * connection. These features are only touched through mgmt so | |
2242 | * only do the checks if HCI_MGMT is set. | |
2243 | */ | |
d7a5a11d MH |
2244 | if (hci_dev_test_flag(hdev, HCI_MGMT) && |
2245 | !hci_dev_test_flag(hdev, HCI_CONNECTABLE) && | |
46c4c941 JH |
2246 | !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr, |
2247 | BDADDR_BREDR)) { | |
2248 | hci_reject_conn(hdev, &ev->bdaddr); | |
2249 | return; | |
70c46425 | 2250 | } |
1da177e4 | 2251 | |
70c46425 | 2252 | /* Connection accepted */ |
b6a0dc82 | 2253 | |
70c46425 JH |
2254 | hci_dev_lock(hdev); |
2255 | ||
2256 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); | |
2257 | if (ie) | |
2258 | memcpy(ie->data.dev_class, ev->dev_class, 3); | |
c7bdd502 | 2259 | |
70c46425 JH |
2260 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, |
2261 | &ev->bdaddr); | |
2262 | if (!conn) { | |
a5c4e309 JH |
2263 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
2264 | HCI_ROLE_SLAVE); | |
a9de9248 | 2265 | if (!conn) { |
70c46425 JH |
2266 | BT_ERR("No memory for new connection"); |
2267 | hci_dev_unlock(hdev); | |
2268 | return; | |
1da177e4 | 2269 | } |
70c46425 | 2270 | } |
b6a0dc82 | 2271 | |
70c46425 | 2272 | memcpy(conn->dev_class, ev->dev_class, 3); |
b6a0dc82 | 2273 | |
70c46425 | 2274 | hci_dev_unlock(hdev); |
1da177e4 | 2275 | |
70c46425 JH |
2276 | if (ev->link_type == ACL_LINK || |
2277 | (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { | |
2278 | struct hci_cp_accept_conn_req cp; | |
2279 | conn->state = BT_CONNECT; | |
1da177e4 | 2280 | |
70c46425 | 2281 | bacpy(&cp.bdaddr, &ev->bdaddr); |
b6a0dc82 | 2282 | |
70c46425 JH |
2283 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) |
2284 | cp.role = 0x00; /* Become master */ | |
2285 | else | |
2286 | cp.role = 0x01; /* Remain slave */ | |
b6a0dc82 | 2287 | |
70c46425 JH |
2288 | hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); |
2289 | } else if (!(flags & HCI_PROTO_DEFER)) { | |
2290 | struct hci_cp_accept_sync_conn_req cp; | |
2291 | conn->state = BT_CONNECT; | |
b6a0dc82 | 2292 | |
70c46425 JH |
2293 | bacpy(&cp.bdaddr, &ev->bdaddr); |
2294 | cp.pkt_type = cpu_to_le16(conn->pkt_type); | |
b6a0dc82 | 2295 | |
70c46425 JH |
2296 | cp.tx_bandwidth = cpu_to_le32(0x00001f40); |
2297 | cp.rx_bandwidth = cpu_to_le32(0x00001f40); | |
2298 | cp.max_latency = cpu_to_le16(0xffff); | |
2299 | cp.content_format = cpu_to_le16(hdev->voice_setting); | |
2300 | cp.retrans_effort = 0xff; | |
1da177e4 | 2301 | |
70c46425 JH |
2302 | hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp), |
2303 | &cp); | |
a9de9248 | 2304 | } else { |
70c46425 | 2305 | conn->state = BT_CONNECT2; |
539c496d | 2306 | hci_connect_cfm(conn, 0); |
1da177e4 | 2307 | } |
1da177e4 LT |
2308 | } |
2309 | ||
f0d6a0ea MA |
2310 | static u8 hci_to_mgmt_reason(u8 err) |
2311 | { | |
2312 | switch (err) { | |
2313 | case HCI_ERROR_CONNECTION_TIMEOUT: | |
2314 | return MGMT_DEV_DISCONN_TIMEOUT; | |
2315 | case HCI_ERROR_REMOTE_USER_TERM: | |
2316 | case HCI_ERROR_REMOTE_LOW_RESOURCES: | |
2317 | case HCI_ERROR_REMOTE_POWER_OFF: | |
2318 | return MGMT_DEV_DISCONN_REMOTE; | |
2319 | case HCI_ERROR_LOCAL_HOST_TERM: | |
2320 | return MGMT_DEV_DISCONN_LOCAL_HOST; | |
2321 | default: | |
2322 | return MGMT_DEV_DISCONN_UNKNOWN; | |
2323 | } | |
2324 | } | |
2325 | ||
6039aa73 | 2326 | static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 2327 | { |
a9de9248 | 2328 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
abf54a50 | 2329 | u8 reason = hci_to_mgmt_reason(ev->reason); |
9fcb18ef | 2330 | struct hci_conn_params *params; |
04837f64 | 2331 | struct hci_conn *conn; |
12d4a3b2 | 2332 | bool mgmt_connected; |
3846220b | 2333 | u8 type; |
04837f64 | 2334 | |
9f1db00c | 2335 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
2336 | |
2337 | hci_dev_lock(hdev); | |
2338 | ||
2339 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
f7520543 JH |
2340 | if (!conn) |
2341 | goto unlock; | |
7d0db0a3 | 2342 | |
abf54a50 AG |
2343 | if (ev->status) { |
2344 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
2345 | conn->dst_type, ev->status); | |
2346 | goto unlock; | |
37d9ef76 | 2347 | } |
f7520543 | 2348 | |
3846220b AG |
2349 | conn->state = BT_CLOSED; |
2350 | ||
12d4a3b2 JH |
2351 | mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); |
2352 | mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, | |
2353 | reason, mgmt_connected); | |
abf54a50 | 2354 | |
22f433dc JH |
2355 | if (conn->type == ACL_LINK) { |
2356 | if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) | |
2357 | hci_remove_link_key(hdev, &conn->dst); | |
2358 | ||
1d2dc5b7 | 2359 | hci_update_page_scan(hdev); |
22f433dc | 2360 | } |
2210246c | 2361 | |
9fcb18ef AG |
2362 | params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); |
2363 | if (params) { | |
2364 | switch (params->auto_connect) { | |
2365 | case HCI_AUTO_CONN_LINK_LOSS: | |
2366 | if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT) | |
2367 | break; | |
2368 | /* Fall through */ | |
2369 | ||
4b9e7e75 | 2370 | case HCI_AUTO_CONN_DIRECT: |
9fcb18ef | 2371 | case HCI_AUTO_CONN_ALWAYS: |
418025d1 JH |
2372 | list_del_init(¶ms->action); |
2373 | list_add(¶ms->action, &hdev->pend_le_conns); | |
2374 | hci_update_background_scan(hdev); | |
9fcb18ef AG |
2375 | break; |
2376 | ||
2377 | default: | |
2378 | break; | |
2379 | } | |
2380 | } | |
2381 | ||
3846220b | 2382 | type = conn->type; |
2210246c | 2383 | |
3a6d576b | 2384 | hci_disconn_cfm(conn, ev->reason); |
3846220b AG |
2385 | hci_conn_del(conn); |
2386 | ||
2387 | /* Re-enable advertising if necessary, since it might | |
2388 | * have been disabled by the connection. From the | |
2389 | * HCI_LE_Set_Advertise_Enable command description in | |
2390 | * the core specification (v4.0): | |
2391 | * "The Controller shall continue advertising until the Host | |
2392 | * issues an LE_Set_Advertise_Enable command with | |
2393 | * Advertising_Enable set to 0x00 (Advertising is disabled) | |
2394 | * or until a connection is created or until the Advertising | |
2395 | * is timed out due to Directed Advertising." | |
2396 | */ | |
2397 | if (type == LE_LINK) | |
2398 | mgmt_reenable_advertising(hdev); | |
f7520543 JH |
2399 | |
2400 | unlock: | |
04837f64 MH |
2401 | hci_dev_unlock(hdev); |
2402 | } | |
2403 | ||
6039aa73 | 2404 | static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2405 | { |
a9de9248 | 2406 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
04837f64 | 2407 | struct hci_conn *conn; |
1da177e4 | 2408 | |
9f1db00c | 2409 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2410 | |
2411 | hci_dev_lock(hdev); | |
2412 | ||
04837f64 | 2413 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
d7556e20 WR |
2414 | if (!conn) |
2415 | goto unlock; | |
2416 | ||
2417 | if (!ev->status) { | |
aa64a8b5 | 2418 | if (!hci_conn_ssp_enabled(conn) && |
807deac2 | 2419 | test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { |
d7556e20 | 2420 | BT_INFO("re-auth of legacy device is not possible."); |
2a611692 | 2421 | } else { |
4dae2798 | 2422 | set_bit(HCI_CONN_AUTH, &conn->flags); |
d7556e20 | 2423 | conn->sec_level = conn->pending_sec_level; |
2a611692 | 2424 | } |
d7556e20 | 2425 | } else { |
e1e930f5 | 2426 | mgmt_auth_failed(conn, ev->status); |
d7556e20 | 2427 | } |
1da177e4 | 2428 | |
51a8efd7 JH |
2429 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
2430 | clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); | |
1da177e4 | 2431 | |
d7556e20 | 2432 | if (conn->state == BT_CONFIG) { |
aa64a8b5 | 2433 | if (!ev->status && hci_conn_ssp_enabled(conn)) { |
d7556e20 WR |
2434 | struct hci_cp_set_conn_encrypt cp; |
2435 | cp.handle = ev->handle; | |
2436 | cp.encrypt = 0x01; | |
2437 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2438 | &cp); |
052b30b0 | 2439 | } else { |
d7556e20 | 2440 | conn->state = BT_CONNECTED; |
539c496d | 2441 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2442 | hci_conn_drop(conn); |
052b30b0 | 2443 | } |
d7556e20 WR |
2444 | } else { |
2445 | hci_auth_cfm(conn, ev->status); | |
052b30b0 | 2446 | |
d7556e20 WR |
2447 | hci_conn_hold(conn); |
2448 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 2449 | hci_conn_drop(conn); |
d7556e20 WR |
2450 | } |
2451 | ||
51a8efd7 | 2452 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { |
d7556e20 WR |
2453 | if (!ev->status) { |
2454 | struct hci_cp_set_conn_encrypt cp; | |
2455 | cp.handle = ev->handle; | |
2456 | cp.encrypt = 0x01; | |
2457 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2458 | &cp); |
d7556e20 | 2459 | } else { |
51a8efd7 | 2460 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
d7556e20 | 2461 | hci_encrypt_cfm(conn, ev->status, 0x00); |
1da177e4 LT |
2462 | } |
2463 | } | |
2464 | ||
d7556e20 | 2465 | unlock: |
1da177e4 LT |
2466 | hci_dev_unlock(hdev); |
2467 | } | |
2468 | ||
6039aa73 | 2469 | static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2470 | { |
127178d2 JH |
2471 | struct hci_ev_remote_name *ev = (void *) skb->data; |
2472 | struct hci_conn *conn; | |
2473 | ||
a9de9248 | 2474 | BT_DBG("%s", hdev->name); |
1da177e4 | 2475 | |
a9de9248 | 2476 | hci_conn_check_pending(hdev); |
127178d2 JH |
2477 | |
2478 | hci_dev_lock(hdev); | |
2479 | ||
b644ba33 | 2480 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
30dc78e1 | 2481 | |
d7a5a11d | 2482 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 2483 | goto check_auth; |
a88a9652 | 2484 | |
b644ba33 JH |
2485 | if (ev->status == 0) |
2486 | hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, | |
04124681 | 2487 | strnlen(ev->name, HCI_MAX_NAME_LENGTH)); |
b644ba33 JH |
2488 | else |
2489 | hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); | |
2490 | ||
2491 | check_auth: | |
79c6c70c JH |
2492 | if (!conn) |
2493 | goto unlock; | |
2494 | ||
2495 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2496 | goto unlock; | |
2497 | ||
51a8efd7 | 2498 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
127178d2 | 2499 | struct hci_cp_auth_requested cp; |
977f8fce JH |
2500 | |
2501 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); | |
2502 | ||
127178d2 JH |
2503 | cp.handle = __cpu_to_le16(conn->handle); |
2504 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); | |
2505 | } | |
2506 | ||
79c6c70c | 2507 | unlock: |
127178d2 | 2508 | hci_dev_unlock(hdev); |
a9de9248 MH |
2509 | } |
2510 | ||
821f3766 JH |
2511 | static void read_enc_key_size_complete(struct hci_dev *hdev, u8 status, |
2512 | u16 opcode, struct sk_buff *skb) | |
2513 | { | |
2514 | const struct hci_rp_read_enc_key_size *rp; | |
2515 | struct hci_conn *conn; | |
2516 | u16 handle; | |
2517 | ||
2518 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
2519 | ||
2520 | if (!skb || skb->len < sizeof(*rp)) { | |
2521 | BT_ERR("%s invalid HCI Read Encryption Key Size response", | |
2522 | hdev->name); | |
2523 | return; | |
2524 | } | |
2525 | ||
2526 | rp = (void *)skb->data; | |
2527 | handle = le16_to_cpu(rp->handle); | |
2528 | ||
2529 | hci_dev_lock(hdev); | |
2530 | ||
2531 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
2532 | if (!conn) | |
2533 | goto unlock; | |
2534 | ||
2535 | /* If we fail to read the encryption key size, assume maximum | |
2536 | * (which is the same we do also when this HCI command isn't | |
2537 | * supported. | |
2538 | */ | |
2539 | if (rp->status) { | |
2540 | BT_ERR("%s failed to read key size for handle %u", hdev->name, | |
2541 | handle); | |
2542 | conn->enc_key_size = HCI_LINK_KEY_SIZE; | |
2543 | } else { | |
2544 | conn->enc_key_size = rp->key_size; | |
2545 | } | |
2546 | ||
2547 | if (conn->state == BT_CONFIG) { | |
2548 | conn->state = BT_CONNECTED; | |
2549 | hci_connect_cfm(conn, 0); | |
2550 | hci_conn_drop(conn); | |
2551 | } else { | |
2552 | u8 encrypt; | |
2553 | ||
2554 | if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) | |
2555 | encrypt = 0x00; | |
5d667ef6 | 2556 | else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) |
821f3766 JH |
2557 | encrypt = 0x02; |
2558 | else | |
2559 | encrypt = 0x01; | |
2560 | ||
2561 | hci_encrypt_cfm(conn, 0, encrypt); | |
2562 | } | |
2563 | ||
2564 | unlock: | |
2565 | hci_dev_unlock(hdev); | |
2566 | } | |
2567 | ||
6039aa73 | 2568 | static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2569 | { |
2570 | struct hci_ev_encrypt_change *ev = (void *) skb->data; | |
2571 | struct hci_conn *conn; | |
2572 | ||
9f1db00c | 2573 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2574 | |
2575 | hci_dev_lock(hdev); | |
2576 | ||
04837f64 | 2577 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
dc8357cc MH |
2578 | if (!conn) |
2579 | goto unlock; | |
1da177e4 | 2580 | |
dc8357cc MH |
2581 | if (!ev->status) { |
2582 | if (ev->encrypt) { | |
2583 | /* Encryption implies authentication */ | |
4dae2798 JH |
2584 | set_bit(HCI_CONN_AUTH, &conn->flags); |
2585 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); | |
dc8357cc | 2586 | conn->sec_level = conn->pending_sec_level; |
abf76bad | 2587 | |
914a6ffe MH |
2588 | /* P-256 authentication key implies FIPS */ |
2589 | if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) | |
4dae2798 | 2590 | set_bit(HCI_CONN_FIPS, &conn->flags); |
914a6ffe | 2591 | |
abf76bad MH |
2592 | if ((conn->type == ACL_LINK && ev->encrypt == 0x02) || |
2593 | conn->type == LE_LINK) | |
2594 | set_bit(HCI_CONN_AES_CCM, &conn->flags); | |
2595 | } else { | |
4dae2798 | 2596 | clear_bit(HCI_CONN_ENCRYPT, &conn->flags); |
abf76bad MH |
2597 | clear_bit(HCI_CONN_AES_CCM, &conn->flags); |
2598 | } | |
dc8357cc | 2599 | } |
a7d7723a | 2600 | |
7ed3fa20 JH |
2601 | /* We should disregard the current RPA and generate a new one |
2602 | * whenever the encryption procedure fails. | |
2603 | */ | |
2604 | if (ev->status && conn->type == LE_LINK) | |
a1536da2 | 2605 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
7ed3fa20 | 2606 | |
dc8357cc | 2607 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
f8558555 | 2608 | |
dc8357cc MH |
2609 | if (ev->status && conn->state == BT_CONNECTED) { |
2610 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
2611 | hci_conn_drop(conn); | |
2612 | goto unlock; | |
1da177e4 LT |
2613 | } |
2614 | ||
035ad621 JH |
2615 | /* In Secure Connections Only mode, do not allow any connections |
2616 | * that are not encrypted with AES-CCM using a P-256 authenticated | |
2617 | * combination key. | |
2618 | */ | |
2619 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY) && | |
2620 | (!test_bit(HCI_CONN_AES_CCM, &conn->flags) || | |
2621 | conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) { | |
2622 | hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE); | |
2623 | hci_conn_drop(conn); | |
2624 | goto unlock; | |
2625 | } | |
2626 | ||
821f3766 JH |
2627 | /* Try reading the encryption key size for encrypted ACL links */ |
2628 | if (!ev->status && ev->encrypt && conn->type == ACL_LINK) { | |
2629 | struct hci_cp_read_enc_key_size cp; | |
2630 | struct hci_request req; | |
2631 | ||
2632 | /* Only send HCI_Read_Encryption_Key_Size if the | |
2633 | * controller really supports it. If it doesn't, assume | |
2634 | * the default size (16). | |
2635 | */ | |
2636 | if (!(hdev->commands[20] & 0x10)) { | |
2637 | conn->enc_key_size = HCI_LINK_KEY_SIZE; | |
2638 | goto notify; | |
2639 | } | |
2640 | ||
2641 | hci_req_init(&req, hdev); | |
2642 | ||
2643 | cp.handle = cpu_to_le16(conn->handle); | |
2644 | hci_req_add(&req, HCI_OP_READ_ENC_KEY_SIZE, sizeof(cp), &cp); | |
2645 | ||
2646 | if (hci_req_run_skb(&req, read_enc_key_size_complete)) { | |
2647 | BT_ERR("Sending HCI Read Encryption Key Size failed"); | |
2648 | conn->enc_key_size = HCI_LINK_KEY_SIZE; | |
2649 | goto notify; | |
2650 | } | |
2651 | ||
2652 | goto unlock; | |
2653 | } | |
2654 | ||
2655 | notify: | |
dc8357cc MH |
2656 | if (conn->state == BT_CONFIG) { |
2657 | if (!ev->status) | |
2658 | conn->state = BT_CONNECTED; | |
2659 | ||
539c496d | 2660 | hci_connect_cfm(conn, ev->status); |
dc8357cc MH |
2661 | hci_conn_drop(conn); |
2662 | } else | |
2663 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
2664 | ||
a7d7723a | 2665 | unlock: |
1da177e4 LT |
2666 | hci_dev_unlock(hdev); |
2667 | } | |
2668 | ||
6039aa73 GP |
2669 | static void hci_change_link_key_complete_evt(struct hci_dev *hdev, |
2670 | struct sk_buff *skb) | |
1da177e4 | 2671 | { |
a9de9248 | 2672 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
04837f64 | 2673 | struct hci_conn *conn; |
1da177e4 | 2674 | |
9f1db00c | 2675 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2676 | |
2677 | hci_dev_lock(hdev); | |
2678 | ||
04837f64 | 2679 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
2680 | if (conn) { |
2681 | if (!ev->status) | |
4dae2798 | 2682 | set_bit(HCI_CONN_SECURE, &conn->flags); |
1da177e4 | 2683 | |
51a8efd7 | 2684 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
1da177e4 LT |
2685 | |
2686 | hci_key_change_cfm(conn, ev->status); | |
2687 | } | |
2688 | ||
2689 | hci_dev_unlock(hdev); | |
2690 | } | |
2691 | ||
6039aa73 GP |
2692 | static void hci_remote_features_evt(struct hci_dev *hdev, |
2693 | struct sk_buff *skb) | |
1da177e4 | 2694 | { |
a9de9248 MH |
2695 | struct hci_ev_remote_features *ev = (void *) skb->data; |
2696 | struct hci_conn *conn; | |
2697 | ||
9f1db00c | 2698 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 | 2699 | |
a9de9248 MH |
2700 | hci_dev_lock(hdev); |
2701 | ||
2702 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
2703 | if (!conn) |
2704 | goto unlock; | |
769be974 | 2705 | |
ccd556fe | 2706 | if (!ev->status) |
cad718ed | 2707 | memcpy(conn->features[0], ev->features, 8); |
ccd556fe JH |
2708 | |
2709 | if (conn->state != BT_CONFIG) | |
2710 | goto unlock; | |
2711 | ||
ac363cf9 SJ |
2712 | if (!ev->status && lmp_ext_feat_capable(hdev) && |
2713 | lmp_ext_feat_capable(conn)) { | |
ccd556fe JH |
2714 | struct hci_cp_read_remote_ext_features cp; |
2715 | cp.handle = ev->handle; | |
2716 | cp.page = 0x01; | |
2717 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, | |
807deac2 | 2718 | sizeof(cp), &cp); |
392599b9 JH |
2719 | goto unlock; |
2720 | } | |
2721 | ||
671267bf | 2722 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
2723 | struct hci_cp_remote_name_req cp; |
2724 | memset(&cp, 0, sizeof(cp)); | |
2725 | bacpy(&cp.bdaddr, &conn->dst); | |
2726 | cp.pscan_rep_mode = 0x02; | |
2727 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 2728 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 2729 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 2730 | |
127178d2 | 2731 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 2732 | conn->state = BT_CONNECTED; |
539c496d | 2733 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2734 | hci_conn_drop(conn); |
769be974 | 2735 | } |
a9de9248 | 2736 | |
ccd556fe | 2737 | unlock: |
a9de9248 | 2738 | hci_dev_unlock(hdev); |
1da177e4 LT |
2739 | } |
2740 | ||
e6214487 JH |
2741 | static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, |
2742 | u16 *opcode, u8 *status, | |
2743 | hci_req_complete_t *req_complete, | |
2744 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
2745 | { |
2746 | struct hci_ev_cmd_complete *ev = (void *) skb->data; | |
a9de9248 | 2747 | |
e6214487 JH |
2748 | *opcode = __le16_to_cpu(ev->opcode); |
2749 | *status = skb->data[sizeof(*ev)]; | |
a9de9248 | 2750 | |
e6214487 | 2751 | skb_pull(skb, sizeof(*ev)); |
a9de9248 | 2752 | |
e6214487 | 2753 | switch (*opcode) { |
a9de9248 MH |
2754 | case HCI_OP_INQUIRY_CANCEL: |
2755 | hci_cc_inquiry_cancel(hdev, skb); | |
2756 | break; | |
2757 | ||
4d93483b AG |
2758 | case HCI_OP_PERIODIC_INQ: |
2759 | hci_cc_periodic_inq(hdev, skb); | |
2760 | break; | |
2761 | ||
a9de9248 MH |
2762 | case HCI_OP_EXIT_PERIODIC_INQ: |
2763 | hci_cc_exit_periodic_inq(hdev, skb); | |
2764 | break; | |
2765 | ||
2766 | case HCI_OP_REMOTE_NAME_REQ_CANCEL: | |
2767 | hci_cc_remote_name_req_cancel(hdev, skb); | |
2768 | break; | |
2769 | ||
2770 | case HCI_OP_ROLE_DISCOVERY: | |
2771 | hci_cc_role_discovery(hdev, skb); | |
2772 | break; | |
2773 | ||
e4e8e37c MH |
2774 | case HCI_OP_READ_LINK_POLICY: |
2775 | hci_cc_read_link_policy(hdev, skb); | |
2776 | break; | |
2777 | ||
a9de9248 MH |
2778 | case HCI_OP_WRITE_LINK_POLICY: |
2779 | hci_cc_write_link_policy(hdev, skb); | |
2780 | break; | |
2781 | ||
e4e8e37c MH |
2782 | case HCI_OP_READ_DEF_LINK_POLICY: |
2783 | hci_cc_read_def_link_policy(hdev, skb); | |
2784 | break; | |
2785 | ||
2786 | case HCI_OP_WRITE_DEF_LINK_POLICY: | |
2787 | hci_cc_write_def_link_policy(hdev, skb); | |
2788 | break; | |
2789 | ||
a9de9248 MH |
2790 | case HCI_OP_RESET: |
2791 | hci_cc_reset(hdev, skb); | |
2792 | break; | |
2793 | ||
c2f0f979 MH |
2794 | case HCI_OP_READ_STORED_LINK_KEY: |
2795 | hci_cc_read_stored_link_key(hdev, skb); | |
2796 | break; | |
2797 | ||
a9366120 MH |
2798 | case HCI_OP_DELETE_STORED_LINK_KEY: |
2799 | hci_cc_delete_stored_link_key(hdev, skb); | |
2800 | break; | |
2801 | ||
a9de9248 MH |
2802 | case HCI_OP_WRITE_LOCAL_NAME: |
2803 | hci_cc_write_local_name(hdev, skb); | |
2804 | break; | |
2805 | ||
2806 | case HCI_OP_READ_LOCAL_NAME: | |
2807 | hci_cc_read_local_name(hdev, skb); | |
2808 | break; | |
2809 | ||
2810 | case HCI_OP_WRITE_AUTH_ENABLE: | |
2811 | hci_cc_write_auth_enable(hdev, skb); | |
2812 | break; | |
2813 | ||
2814 | case HCI_OP_WRITE_ENCRYPT_MODE: | |
2815 | hci_cc_write_encrypt_mode(hdev, skb); | |
2816 | break; | |
2817 | ||
2818 | case HCI_OP_WRITE_SCAN_ENABLE: | |
2819 | hci_cc_write_scan_enable(hdev, skb); | |
2820 | break; | |
2821 | ||
2822 | case HCI_OP_READ_CLASS_OF_DEV: | |
2823 | hci_cc_read_class_of_dev(hdev, skb); | |
2824 | break; | |
2825 | ||
2826 | case HCI_OP_WRITE_CLASS_OF_DEV: | |
2827 | hci_cc_write_class_of_dev(hdev, skb); | |
2828 | break; | |
2829 | ||
2830 | case HCI_OP_READ_VOICE_SETTING: | |
2831 | hci_cc_read_voice_setting(hdev, skb); | |
2832 | break; | |
2833 | ||
2834 | case HCI_OP_WRITE_VOICE_SETTING: | |
2835 | hci_cc_write_voice_setting(hdev, skb); | |
2836 | break; | |
2837 | ||
b4cb9fb2 MH |
2838 | case HCI_OP_READ_NUM_SUPPORTED_IAC: |
2839 | hci_cc_read_num_supported_iac(hdev, skb); | |
2840 | break; | |
2841 | ||
333140b5 MH |
2842 | case HCI_OP_WRITE_SSP_MODE: |
2843 | hci_cc_write_ssp_mode(hdev, skb); | |
2844 | break; | |
2845 | ||
eac83dc6 MH |
2846 | case HCI_OP_WRITE_SC_SUPPORT: |
2847 | hci_cc_write_sc_support(hdev, skb); | |
2848 | break; | |
2849 | ||
a9de9248 MH |
2850 | case HCI_OP_READ_LOCAL_VERSION: |
2851 | hci_cc_read_local_version(hdev, skb); | |
2852 | break; | |
2853 | ||
2854 | case HCI_OP_READ_LOCAL_COMMANDS: | |
2855 | hci_cc_read_local_commands(hdev, skb); | |
2856 | break; | |
2857 | ||
2858 | case HCI_OP_READ_LOCAL_FEATURES: | |
2859 | hci_cc_read_local_features(hdev, skb); | |
2860 | break; | |
2861 | ||
971e3a4b AG |
2862 | case HCI_OP_READ_LOCAL_EXT_FEATURES: |
2863 | hci_cc_read_local_ext_features(hdev, skb); | |
2864 | break; | |
2865 | ||
a9de9248 MH |
2866 | case HCI_OP_READ_BUFFER_SIZE: |
2867 | hci_cc_read_buffer_size(hdev, skb); | |
2868 | break; | |
2869 | ||
2870 | case HCI_OP_READ_BD_ADDR: | |
2871 | hci_cc_read_bd_addr(hdev, skb); | |
2872 | break; | |
2873 | ||
f332ec66 JH |
2874 | case HCI_OP_READ_PAGE_SCAN_ACTIVITY: |
2875 | hci_cc_read_page_scan_activity(hdev, skb); | |
2876 | break; | |
2877 | ||
4a3ee763 JH |
2878 | case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: |
2879 | hci_cc_write_page_scan_activity(hdev, skb); | |
2880 | break; | |
2881 | ||
f332ec66 JH |
2882 | case HCI_OP_READ_PAGE_SCAN_TYPE: |
2883 | hci_cc_read_page_scan_type(hdev, skb); | |
2884 | break; | |
2885 | ||
4a3ee763 JH |
2886 | case HCI_OP_WRITE_PAGE_SCAN_TYPE: |
2887 | hci_cc_write_page_scan_type(hdev, skb); | |
2888 | break; | |
2889 | ||
350ee4cf AE |
2890 | case HCI_OP_READ_DATA_BLOCK_SIZE: |
2891 | hci_cc_read_data_block_size(hdev, skb); | |
2892 | break; | |
2893 | ||
1e89cffb AE |
2894 | case HCI_OP_READ_FLOW_CONTROL_MODE: |
2895 | hci_cc_read_flow_control_mode(hdev, skb); | |
2896 | break; | |
2897 | ||
928abaa7 AE |
2898 | case HCI_OP_READ_LOCAL_AMP_INFO: |
2899 | hci_cc_read_local_amp_info(hdev, skb); | |
2900 | break; | |
2901 | ||
33f35721 JH |
2902 | case HCI_OP_READ_CLOCK: |
2903 | hci_cc_read_clock(hdev, skb); | |
2904 | break; | |
2905 | ||
d5859e22 JH |
2906 | case HCI_OP_READ_INQ_RSP_TX_POWER: |
2907 | hci_cc_read_inq_rsp_tx_power(hdev, skb); | |
2908 | break; | |
2909 | ||
980e1a53 JH |
2910 | case HCI_OP_PIN_CODE_REPLY: |
2911 | hci_cc_pin_code_reply(hdev, skb); | |
2912 | break; | |
2913 | ||
2914 | case HCI_OP_PIN_CODE_NEG_REPLY: | |
2915 | hci_cc_pin_code_neg_reply(hdev, skb); | |
2916 | break; | |
2917 | ||
c35938b2 | 2918 | case HCI_OP_READ_LOCAL_OOB_DATA: |
4d2d2796 MH |
2919 | hci_cc_read_local_oob_data(hdev, skb); |
2920 | break; | |
2921 | ||
2922 | case HCI_OP_READ_LOCAL_OOB_EXT_DATA: | |
2923 | hci_cc_read_local_oob_ext_data(hdev, skb); | |
c35938b2 SJ |
2924 | break; |
2925 | ||
6ed58ec5 VT |
2926 | case HCI_OP_LE_READ_BUFFER_SIZE: |
2927 | hci_cc_le_read_buffer_size(hdev, skb); | |
2928 | break; | |
2929 | ||
60e77321 JH |
2930 | case HCI_OP_LE_READ_LOCAL_FEATURES: |
2931 | hci_cc_le_read_local_features(hdev, skb); | |
2932 | break; | |
2933 | ||
8fa19098 JH |
2934 | case HCI_OP_LE_READ_ADV_TX_POWER: |
2935 | hci_cc_le_read_adv_tx_power(hdev, skb); | |
2936 | break; | |
2937 | ||
a5c29683 JH |
2938 | case HCI_OP_USER_CONFIRM_REPLY: |
2939 | hci_cc_user_confirm_reply(hdev, skb); | |
2940 | break; | |
2941 | ||
2942 | case HCI_OP_USER_CONFIRM_NEG_REPLY: | |
2943 | hci_cc_user_confirm_neg_reply(hdev, skb); | |
2944 | break; | |
2945 | ||
1143d458 BG |
2946 | case HCI_OP_USER_PASSKEY_REPLY: |
2947 | hci_cc_user_passkey_reply(hdev, skb); | |
2948 | break; | |
2949 | ||
2950 | case HCI_OP_USER_PASSKEY_NEG_REPLY: | |
2951 | hci_cc_user_passkey_neg_reply(hdev, skb); | |
16cde993 | 2952 | break; |
07f7fa5d | 2953 | |
7a4cd51d MH |
2954 | case HCI_OP_LE_SET_RANDOM_ADDR: |
2955 | hci_cc_le_set_random_addr(hdev, skb); | |
2956 | break; | |
2957 | ||
c1d5dc4a JH |
2958 | case HCI_OP_LE_SET_ADV_ENABLE: |
2959 | hci_cc_le_set_adv_enable(hdev, skb); | |
2960 | break; | |
2961 | ||
533553f8 MH |
2962 | case HCI_OP_LE_SET_SCAN_PARAM: |
2963 | hci_cc_le_set_scan_param(hdev, skb); | |
2964 | break; | |
2965 | ||
eb9d91f5 AG |
2966 | case HCI_OP_LE_SET_SCAN_ENABLE: |
2967 | hci_cc_le_set_scan_enable(hdev, skb); | |
2968 | break; | |
2969 | ||
cf1d081f JH |
2970 | case HCI_OP_LE_READ_WHITE_LIST_SIZE: |
2971 | hci_cc_le_read_white_list_size(hdev, skb); | |
2972 | break; | |
2973 | ||
0f36b589 MH |
2974 | case HCI_OP_LE_CLEAR_WHITE_LIST: |
2975 | hci_cc_le_clear_white_list(hdev, skb); | |
2976 | break; | |
2977 | ||
2978 | case HCI_OP_LE_ADD_TO_WHITE_LIST: | |
2979 | hci_cc_le_add_to_white_list(hdev, skb); | |
2980 | break; | |
2981 | ||
2982 | case HCI_OP_LE_DEL_FROM_WHITE_LIST: | |
2983 | hci_cc_le_del_from_white_list(hdev, skb); | |
2984 | break; | |
2985 | ||
9b008c04 JH |
2986 | case HCI_OP_LE_READ_SUPPORTED_STATES: |
2987 | hci_cc_le_read_supported_states(hdev, skb); | |
2988 | break; | |
2989 | ||
a8e1bfaa MH |
2990 | case HCI_OP_LE_READ_DEF_DATA_LEN: |
2991 | hci_cc_le_read_def_data_len(hdev, skb); | |
2992 | break; | |
2993 | ||
2994 | case HCI_OP_LE_WRITE_DEF_DATA_LEN: | |
2995 | hci_cc_le_write_def_data_len(hdev, skb); | |
2996 | break; | |
2997 | ||
2998 | case HCI_OP_LE_READ_MAX_DATA_LEN: | |
2999 | hci_cc_le_read_max_data_len(hdev, skb); | |
3000 | break; | |
3001 | ||
f9b49306 AG |
3002 | case HCI_OP_WRITE_LE_HOST_SUPPORTED: |
3003 | hci_cc_write_le_host_supported(hdev, skb); | |
3004 | break; | |
3005 | ||
56ed2cb8 JH |
3006 | case HCI_OP_LE_SET_ADV_PARAM: |
3007 | hci_cc_set_adv_param(hdev, skb); | |
3008 | break; | |
3009 | ||
5ae76a94 AK |
3010 | case HCI_OP_READ_RSSI: |
3011 | hci_cc_read_rssi(hdev, skb); | |
3012 | break; | |
3013 | ||
5a134fae AK |
3014 | case HCI_OP_READ_TX_POWER: |
3015 | hci_cc_read_tx_power(hdev, skb); | |
3016 | break; | |
3017 | ||
c50b33c8 MH |
3018 | case HCI_OP_WRITE_SSP_DEBUG_MODE: |
3019 | hci_cc_write_ssp_debug_mode(hdev, skb); | |
3020 | break; | |
3021 | ||
a9de9248 | 3022 | default: |
e6214487 | 3023 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3024 | break; |
3025 | } | |
3026 | ||
e6214487 | 3027 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3028 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3029 | |
600b2150 JH |
3030 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3031 | atomic_set(&hdev->cmd_cnt, 1); | |
3032 | ||
e6214487 JH |
3033 | hci_req_cmd_complete(hdev, *opcode, *status, req_complete, |
3034 | req_complete_skb); | |
9238f36a | 3035 | |
600b2150 JH |
3036 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3037 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3038 | } |
3039 | ||
e6214487 JH |
3040 | static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3041 | u16 *opcode, u8 *status, | |
3042 | hci_req_complete_t *req_complete, | |
3043 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3044 | { |
3045 | struct hci_ev_cmd_status *ev = (void *) skb->data; | |
a9de9248 MH |
3046 | |
3047 | skb_pull(skb, sizeof(*ev)); | |
3048 | ||
e6214487 JH |
3049 | *opcode = __le16_to_cpu(ev->opcode); |
3050 | *status = ev->status; | |
a9de9248 | 3051 | |
e6214487 | 3052 | switch (*opcode) { |
a9de9248 MH |
3053 | case HCI_OP_INQUIRY: |
3054 | hci_cs_inquiry(hdev, ev->status); | |
3055 | break; | |
3056 | ||
3057 | case HCI_OP_CREATE_CONN: | |
3058 | hci_cs_create_conn(hdev, ev->status); | |
3059 | break; | |
3060 | ||
9645c76c KP |
3061 | case HCI_OP_DISCONNECT: |
3062 | hci_cs_disconnect(hdev, ev->status); | |
3063 | break; | |
3064 | ||
a9de9248 MH |
3065 | case HCI_OP_ADD_SCO: |
3066 | hci_cs_add_sco(hdev, ev->status); | |
3067 | break; | |
3068 | ||
f8558555 MH |
3069 | case HCI_OP_AUTH_REQUESTED: |
3070 | hci_cs_auth_requested(hdev, ev->status); | |
3071 | break; | |
3072 | ||
3073 | case HCI_OP_SET_CONN_ENCRYPT: | |
3074 | hci_cs_set_conn_encrypt(hdev, ev->status); | |
3075 | break; | |
3076 | ||
a9de9248 MH |
3077 | case HCI_OP_REMOTE_NAME_REQ: |
3078 | hci_cs_remote_name_req(hdev, ev->status); | |
3079 | break; | |
3080 | ||
769be974 MH |
3081 | case HCI_OP_READ_REMOTE_FEATURES: |
3082 | hci_cs_read_remote_features(hdev, ev->status); | |
3083 | break; | |
3084 | ||
3085 | case HCI_OP_READ_REMOTE_EXT_FEATURES: | |
3086 | hci_cs_read_remote_ext_features(hdev, ev->status); | |
3087 | break; | |
3088 | ||
a9de9248 MH |
3089 | case HCI_OP_SETUP_SYNC_CONN: |
3090 | hci_cs_setup_sync_conn(hdev, ev->status); | |
3091 | break; | |
3092 | ||
3093 | case HCI_OP_SNIFF_MODE: | |
3094 | hci_cs_sniff_mode(hdev, ev->status); | |
3095 | break; | |
3096 | ||
3097 | case HCI_OP_EXIT_SNIFF_MODE: | |
3098 | hci_cs_exit_sniff_mode(hdev, ev->status); | |
3099 | break; | |
3100 | ||
50fc85f1 KP |
3101 | case HCI_OP_SWITCH_ROLE: |
3102 | hci_cs_switch_role(hdev, ev->status); | |
3103 | break; | |
3104 | ||
cb1d68f7 JH |
3105 | case HCI_OP_LE_CREATE_CONN: |
3106 | hci_cs_le_create_conn(hdev, ev->status); | |
3107 | break; | |
3108 | ||
0fe29fd1 MH |
3109 | case HCI_OP_LE_READ_REMOTE_FEATURES: |
3110 | hci_cs_le_read_remote_features(hdev, ev->status); | |
3111 | break; | |
3112 | ||
81d0c8ad JH |
3113 | case HCI_OP_LE_START_ENC: |
3114 | hci_cs_le_start_enc(hdev, ev->status); | |
3115 | break; | |
3116 | ||
a9de9248 | 3117 | default: |
e6214487 | 3118 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3119 | break; |
3120 | } | |
3121 | ||
e6214487 | 3122 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3123 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3124 | |
600b2150 JH |
3125 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3126 | atomic_set(&hdev->cmd_cnt, 1); | |
3127 | ||
444c6dd5 JH |
3128 | /* Indicate request completion if the command failed. Also, if |
3129 | * we're not waiting for a special event and we get a success | |
3130 | * command status we should try to flag the request as completed | |
3131 | * (since for this kind of commands there will not be a command | |
3132 | * complete event). | |
3133 | */ | |
02350a72 | 3134 | if (ev->status || |
db6e3e8d | 3135 | (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event)) |
e6214487 JH |
3136 | hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete, |
3137 | req_complete_skb); | |
9238f36a | 3138 | |
600b2150 JH |
3139 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3140 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3141 | } |
3142 | ||
24dfa343 MH |
3143 | static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb) |
3144 | { | |
3145 | struct hci_ev_hardware_error *ev = (void *) skb->data; | |
3146 | ||
c7741d16 MH |
3147 | hdev->hw_error_code = ev->code; |
3148 | ||
3149 | queue_work(hdev->req_workqueue, &hdev->error_reset); | |
24dfa343 MH |
3150 | } |
3151 | ||
6039aa73 | 3152 | static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3153 | { |
3154 | struct hci_ev_role_change *ev = (void *) skb->data; | |
3155 | struct hci_conn *conn; | |
3156 | ||
9f1db00c | 3157 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 MH |
3158 | |
3159 | hci_dev_lock(hdev); | |
3160 | ||
3161 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3162 | if (conn) { | |
40bef302 JH |
3163 | if (!ev->status) |
3164 | conn->role = ev->role; | |
a9de9248 | 3165 | |
51a8efd7 | 3166 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); |
a9de9248 MH |
3167 | |
3168 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
3169 | } | |
3170 | ||
3171 | hci_dev_unlock(hdev); | |
3172 | } | |
3173 | ||
6039aa73 | 3174 | static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3175 | { |
3176 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; | |
a9de9248 MH |
3177 | int i; |
3178 | ||
32ac5b9b AE |
3179 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { |
3180 | BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); | |
3181 | return; | |
3182 | } | |
3183 | ||
c5993de8 | 3184 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + |
807deac2 | 3185 | ev->num_hndl * sizeof(struct hci_comp_pkts_info)) { |
a9de9248 MH |
3186 | BT_DBG("%s bad parameters", hdev->name); |
3187 | return; | |
3188 | } | |
3189 | ||
c5993de8 AE |
3190 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); |
3191 | ||
613a1c0c AE |
3192 | for (i = 0; i < ev->num_hndl; i++) { |
3193 | struct hci_comp_pkts_info *info = &ev->handles[i]; | |
a9de9248 MH |
3194 | struct hci_conn *conn; |
3195 | __u16 handle, count; | |
3196 | ||
613a1c0c AE |
3197 | handle = __le16_to_cpu(info->handle); |
3198 | count = __le16_to_cpu(info->count); | |
a9de9248 MH |
3199 | |
3200 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
f4280918 AE |
3201 | if (!conn) |
3202 | continue; | |
3203 | ||
3204 | conn->sent -= count; | |
3205 | ||
3206 | switch (conn->type) { | |
3207 | case ACL_LINK: | |
3208 | hdev->acl_cnt += count; | |
3209 | if (hdev->acl_cnt > hdev->acl_pkts) | |
3210 | hdev->acl_cnt = hdev->acl_pkts; | |
3211 | break; | |
3212 | ||
3213 | case LE_LINK: | |
3214 | if (hdev->le_pkts) { | |
3215 | hdev->le_cnt += count; | |
3216 | if (hdev->le_cnt > hdev->le_pkts) | |
3217 | hdev->le_cnt = hdev->le_pkts; | |
3218 | } else { | |
70f23020 AE |
3219 | hdev->acl_cnt += count; |
3220 | if (hdev->acl_cnt > hdev->acl_pkts) | |
a9de9248 | 3221 | hdev->acl_cnt = hdev->acl_pkts; |
a9de9248 | 3222 | } |
f4280918 AE |
3223 | break; |
3224 | ||
3225 | case SCO_LINK: | |
3226 | hdev->sco_cnt += count; | |
3227 | if (hdev->sco_cnt > hdev->sco_pkts) | |
3228 | hdev->sco_cnt = hdev->sco_pkts; | |
3229 | break; | |
3230 | ||
3231 | default: | |
3232 | BT_ERR("Unknown type %d conn %p", conn->type, conn); | |
3233 | break; | |
a9de9248 MH |
3234 | } |
3235 | } | |
3236 | ||
3eff45ea | 3237 | queue_work(hdev->workqueue, &hdev->tx_work); |
a9de9248 MH |
3238 | } |
3239 | ||
76ef7cf7 AE |
3240 | static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, |
3241 | __u16 handle) | |
3242 | { | |
3243 | struct hci_chan *chan; | |
3244 | ||
3245 | switch (hdev->dev_type) { | |
3246 | case HCI_BREDR: | |
3247 | return hci_conn_hash_lookup_handle(hdev, handle); | |
3248 | case HCI_AMP: | |
3249 | chan = hci_chan_lookup_handle(hdev, handle); | |
3250 | if (chan) | |
3251 | return chan->conn; | |
3252 | break; | |
3253 | default: | |
3254 | BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type); | |
3255 | break; | |
3256 | } | |
3257 | ||
3258 | return NULL; | |
3259 | } | |
3260 | ||
6039aa73 | 3261 | static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) |
25e89e99 AE |
3262 | { |
3263 | struct hci_ev_num_comp_blocks *ev = (void *) skb->data; | |
3264 | int i; | |
3265 | ||
3266 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { | |
3267 | BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); | |
3268 | return; | |
3269 | } | |
3270 | ||
3271 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + | |
807deac2 | 3272 | ev->num_hndl * sizeof(struct hci_comp_blocks_info)) { |
25e89e99 AE |
3273 | BT_DBG("%s bad parameters", hdev->name); |
3274 | return; | |
3275 | } | |
3276 | ||
3277 | BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, | |
807deac2 | 3278 | ev->num_hndl); |
25e89e99 AE |
3279 | |
3280 | for (i = 0; i < ev->num_hndl; i++) { | |
3281 | struct hci_comp_blocks_info *info = &ev->handles[i]; | |
76ef7cf7 | 3282 | struct hci_conn *conn = NULL; |
25e89e99 AE |
3283 | __u16 handle, block_count; |
3284 | ||
3285 | handle = __le16_to_cpu(info->handle); | |
3286 | block_count = __le16_to_cpu(info->blocks); | |
3287 | ||
76ef7cf7 | 3288 | conn = __hci_conn_lookup_handle(hdev, handle); |
25e89e99 AE |
3289 | if (!conn) |
3290 | continue; | |
3291 | ||
3292 | conn->sent -= block_count; | |
3293 | ||
3294 | switch (conn->type) { | |
3295 | case ACL_LINK: | |
bd1eb66b | 3296 | case AMP_LINK: |
25e89e99 AE |
3297 | hdev->block_cnt += block_count; |
3298 | if (hdev->block_cnt > hdev->num_blocks) | |
3299 | hdev->block_cnt = hdev->num_blocks; | |
3300 | break; | |
3301 | ||
3302 | default: | |
3303 | BT_ERR("Unknown type %d conn %p", conn->type, conn); | |
3304 | break; | |
3305 | } | |
3306 | } | |
3307 | ||
3308 | queue_work(hdev->workqueue, &hdev->tx_work); | |
3309 | } | |
3310 | ||
6039aa73 | 3311 | static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 3312 | { |
a9de9248 | 3313 | struct hci_ev_mode_change *ev = (void *) skb->data; |
04837f64 MH |
3314 | struct hci_conn *conn; |
3315 | ||
9f1db00c | 3316 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
3317 | |
3318 | hci_dev_lock(hdev); | |
3319 | ||
3320 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
a9de9248 MH |
3321 | if (conn) { |
3322 | conn->mode = ev->mode; | |
a9de9248 | 3323 | |
8fc9ced3 GP |
3324 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, |
3325 | &conn->flags)) { | |
a9de9248 | 3326 | if (conn->mode == HCI_CM_ACTIVE) |
58a681ef | 3327 | set_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3328 | else |
58a681ef | 3329 | clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3330 | } |
e73439d8 | 3331 | |
51a8efd7 | 3332 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 | 3333 | hci_sco_setup(conn, ev->status); |
04837f64 MH |
3334 | } |
3335 | ||
3336 | hci_dev_unlock(hdev); | |
3337 | } | |
3338 | ||
6039aa73 | 3339 | static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3340 | { |
052b30b0 MH |
3341 | struct hci_ev_pin_code_req *ev = (void *) skb->data; |
3342 | struct hci_conn *conn; | |
3343 | ||
a9de9248 | 3344 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3345 | |
3346 | hci_dev_lock(hdev); | |
3347 | ||
3348 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
b6f98044 WR |
3349 | if (!conn) |
3350 | goto unlock; | |
3351 | ||
3352 | if (conn->state == BT_CONNECTED) { | |
052b30b0 MH |
3353 | hci_conn_hold(conn); |
3354 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
76a68ba0 | 3355 | hci_conn_drop(conn); |
052b30b0 MH |
3356 | } |
3357 | ||
d7a5a11d | 3358 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE) && |
2f407f0a | 3359 | !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) { |
03b555e1 | 3360 | hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
807deac2 | 3361 | sizeof(ev->bdaddr), &ev->bdaddr); |
d7a5a11d | 3362 | } else if (hci_dev_test_flag(hdev, HCI_MGMT)) { |
a770bb5a WR |
3363 | u8 secure; |
3364 | ||
3365 | if (conn->pending_sec_level == BT_SECURITY_HIGH) | |
3366 | secure = 1; | |
3367 | else | |
3368 | secure = 0; | |
3369 | ||
744cf19e | 3370 | mgmt_pin_code_request(hdev, &ev->bdaddr, secure); |
a770bb5a | 3371 | } |
980e1a53 | 3372 | |
b6f98044 | 3373 | unlock: |
052b30b0 | 3374 | hci_dev_unlock(hdev); |
a9de9248 MH |
3375 | } |
3376 | ||
cb6f3f7a JH |
3377 | static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len) |
3378 | { | |
3379 | if (key_type == HCI_LK_CHANGED_COMBINATION) | |
3380 | return; | |
3381 | ||
3382 | conn->pin_length = pin_len; | |
3383 | conn->key_type = key_type; | |
3384 | ||
3385 | switch (key_type) { | |
3386 | case HCI_LK_LOCAL_UNIT: | |
3387 | case HCI_LK_REMOTE_UNIT: | |
3388 | case HCI_LK_DEBUG_COMBINATION: | |
3389 | return; | |
3390 | case HCI_LK_COMBINATION: | |
3391 | if (pin_len == 16) | |
3392 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3393 | else | |
3394 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3395 | break; | |
3396 | case HCI_LK_UNAUTH_COMBINATION_P192: | |
3397 | case HCI_LK_UNAUTH_COMBINATION_P256: | |
3398 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3399 | break; | |
3400 | case HCI_LK_AUTH_COMBINATION_P192: | |
3401 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3402 | break; | |
3403 | case HCI_LK_AUTH_COMBINATION_P256: | |
3404 | conn->pending_sec_level = BT_SECURITY_FIPS; | |
3405 | break; | |
3406 | } | |
3407 | } | |
3408 | ||
6039aa73 | 3409 | static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3410 | { |
55ed8ca1 JH |
3411 | struct hci_ev_link_key_req *ev = (void *) skb->data; |
3412 | struct hci_cp_link_key_reply cp; | |
3413 | struct hci_conn *conn; | |
3414 | struct link_key *key; | |
3415 | ||
a9de9248 | 3416 | BT_DBG("%s", hdev->name); |
55ed8ca1 | 3417 | |
d7a5a11d | 3418 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
55ed8ca1 JH |
3419 | return; |
3420 | ||
3421 | hci_dev_lock(hdev); | |
3422 | ||
3423 | key = hci_find_link_key(hdev, &ev->bdaddr); | |
3424 | if (!key) { | |
6ed93dc6 AE |
3425 | BT_DBG("%s link key not found for %pMR", hdev->name, |
3426 | &ev->bdaddr); | |
55ed8ca1 JH |
3427 | goto not_found; |
3428 | } | |
3429 | ||
6ed93dc6 AE |
3430 | BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, |
3431 | &ev->bdaddr); | |
55ed8ca1 | 3432 | |
55ed8ca1 | 3433 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
60b83f57 | 3434 | if (conn) { |
fe8bc5ac JH |
3435 | clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
3436 | ||
66138ce8 MH |
3437 | if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || |
3438 | key->type == HCI_LK_UNAUTH_COMBINATION_P256) && | |
807deac2 | 3439 | conn->auth_type != 0xff && (conn->auth_type & 0x01)) { |
60b83f57 WR |
3440 | BT_DBG("%s ignoring unauthenticated key", hdev->name); |
3441 | goto not_found; | |
3442 | } | |
55ed8ca1 | 3443 | |
60b83f57 | 3444 | if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && |
f3fb0b58 JH |
3445 | (conn->pending_sec_level == BT_SECURITY_HIGH || |
3446 | conn->pending_sec_level == BT_SECURITY_FIPS)) { | |
8fc9ced3 GP |
3447 | BT_DBG("%s ignoring key unauthenticated for high security", |
3448 | hdev->name); | |
60b83f57 WR |
3449 | goto not_found; |
3450 | } | |
3451 | ||
cb6f3f7a | 3452 | conn_set_key(conn, key->type, key->pin_len); |
55ed8ca1 JH |
3453 | } |
3454 | ||
3455 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9b3b4460 | 3456 | memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); |
55ed8ca1 JH |
3457 | |
3458 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); | |
3459 | ||
3460 | hci_dev_unlock(hdev); | |
3461 | ||
3462 | return; | |
3463 | ||
3464 | not_found: | |
3465 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); | |
3466 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3467 | } |
3468 | ||
6039aa73 | 3469 | static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3470 | { |
052b30b0 MH |
3471 | struct hci_ev_link_key_notify *ev = (void *) skb->data; |
3472 | struct hci_conn *conn; | |
7652ff6a JH |
3473 | struct link_key *key; |
3474 | bool persistent; | |
55ed8ca1 | 3475 | u8 pin_len = 0; |
052b30b0 | 3476 | |
a9de9248 | 3477 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3478 | |
3479 | hci_dev_lock(hdev); | |
3480 | ||
3481 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
82c13d42 JH |
3482 | if (!conn) |
3483 | goto unlock; | |
3484 | ||
3485 | hci_conn_hold(conn); | |
3486 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
3487 | hci_conn_drop(conn); | |
3488 | ||
fe8bc5ac | 3489 | set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
82c13d42 | 3490 | conn_set_key(conn, ev->key_type, conn->pin_length); |
052b30b0 | 3491 | |
d7a5a11d | 3492 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7652ff6a JH |
3493 | goto unlock; |
3494 | ||
3495 | key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key, | |
3496 | ev->key_type, pin_len, &persistent); | |
3497 | if (!key) | |
3498 | goto unlock; | |
3499 | ||
cb6f3f7a JH |
3500 | /* Update connection information since adding the key will have |
3501 | * fixed up the type in the case of changed combination keys. | |
3502 | */ | |
3503 | if (ev->key_type == HCI_LK_CHANGED_COMBINATION) | |
3504 | conn_set_key(conn, key->type, key->pin_len); | |
3505 | ||
7652ff6a | 3506 | mgmt_new_link_key(hdev, key, persistent); |
55ed8ca1 | 3507 | |
6d5650c4 JH |
3508 | /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag |
3509 | * is set. If it's not set simply remove the key from the kernel | |
3510 | * list (we've still notified user space about it but with | |
3511 | * store_hint being 0). | |
3512 | */ | |
3513 | if (key->type == HCI_LK_DEBUG_COMBINATION && | |
d7a5a11d | 3514 | !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) { |
0378b597 JH |
3515 | list_del_rcu(&key->list); |
3516 | kfree_rcu(key, rcu); | |
82c13d42 | 3517 | goto unlock; |
6d5650c4 | 3518 | } |
7652ff6a | 3519 | |
82c13d42 JH |
3520 | if (persistent) |
3521 | clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3522 | else | |
3523 | set_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3524 | ||
7652ff6a | 3525 | unlock: |
052b30b0 | 3526 | hci_dev_unlock(hdev); |
a9de9248 MH |
3527 | } |
3528 | ||
6039aa73 | 3529 | static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 3530 | { |
a9de9248 | 3531 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
04837f64 | 3532 | struct hci_conn *conn; |
1da177e4 | 3533 | |
9f1db00c | 3534 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3535 | |
3536 | hci_dev_lock(hdev); | |
3537 | ||
04837f64 | 3538 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
3539 | if (conn && !ev->status) { |
3540 | struct inquiry_entry *ie; | |
3541 | ||
cc11b9c1 AE |
3542 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
3543 | if (ie) { | |
1da177e4 LT |
3544 | ie->data.clock_offset = ev->clock_offset; |
3545 | ie->timestamp = jiffies; | |
3546 | } | |
3547 | } | |
3548 | ||
3549 | hci_dev_unlock(hdev); | |
3550 | } | |
3551 | ||
6039aa73 | 3552 | static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a8746417 MH |
3553 | { |
3554 | struct hci_ev_pkt_type_change *ev = (void *) skb->data; | |
3555 | struct hci_conn *conn; | |
3556 | ||
9f1db00c | 3557 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a8746417 MH |
3558 | |
3559 | hci_dev_lock(hdev); | |
3560 | ||
3561 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
3562 | if (conn && !ev->status) | |
3563 | conn->pkt_type = __le16_to_cpu(ev->pkt_type); | |
3564 | ||
3565 | hci_dev_unlock(hdev); | |
3566 | } | |
3567 | ||
6039aa73 | 3568 | static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
85a1e930 | 3569 | { |
a9de9248 | 3570 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
85a1e930 MH |
3571 | struct inquiry_entry *ie; |
3572 | ||
3573 | BT_DBG("%s", hdev->name); | |
3574 | ||
3575 | hci_dev_lock(hdev); | |
3576 | ||
cc11b9c1 AE |
3577 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
3578 | if (ie) { | |
85a1e930 MH |
3579 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
3580 | ie->timestamp = jiffies; | |
3581 | } | |
3582 | ||
3583 | hci_dev_unlock(hdev); | |
3584 | } | |
3585 | ||
6039aa73 GP |
3586 | static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, |
3587 | struct sk_buff *skb) | |
a9de9248 MH |
3588 | { |
3589 | struct inquiry_data data; | |
3590 | int num_rsp = *((__u8 *) skb->data); | |
3591 | ||
3592 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
3593 | ||
3594 | if (!num_rsp) | |
3595 | return; | |
3596 | ||
d7a5a11d | 3597 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
3598 | return; |
3599 | ||
a9de9248 MH |
3600 | hci_dev_lock(hdev); |
3601 | ||
3602 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
138d22ef SJ |
3603 | struct inquiry_info_with_rssi_and_pscan_mode *info; |
3604 | info = (void *) (skb->data + 1); | |
a9de9248 | 3605 | |
e17acd40 | 3606 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3607 | u32 flags; |
3608 | ||
a9de9248 MH |
3609 | bacpy(&data.bdaddr, &info->bdaddr); |
3610 | data.pscan_rep_mode = info->pscan_rep_mode; | |
3611 | data.pscan_period_mode = info->pscan_period_mode; | |
3612 | data.pscan_mode = info->pscan_mode; | |
3613 | memcpy(data.dev_class, info->dev_class, 3); | |
3614 | data.clock_offset = info->clock_offset; | |
3615 | data.rssi = info->rssi; | |
41a96212 | 3616 | data.ssp_mode = 0x00; |
3175405b | 3617 | |
af58925c MH |
3618 | flags = hci_inquiry_cache_update(hdev, &data, false); |
3619 | ||
48264f06 | 3620 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 3621 | info->dev_class, info->rssi, |
af58925c | 3622 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
3623 | } |
3624 | } else { | |
3625 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); | |
3626 | ||
e17acd40 | 3627 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3628 | u32 flags; |
3629 | ||
a9de9248 MH |
3630 | bacpy(&data.bdaddr, &info->bdaddr); |
3631 | data.pscan_rep_mode = info->pscan_rep_mode; | |
3632 | data.pscan_period_mode = info->pscan_period_mode; | |
3633 | data.pscan_mode = 0x00; | |
3634 | memcpy(data.dev_class, info->dev_class, 3); | |
3635 | data.clock_offset = info->clock_offset; | |
3636 | data.rssi = info->rssi; | |
41a96212 | 3637 | data.ssp_mode = 0x00; |
af58925c MH |
3638 | |
3639 | flags = hci_inquiry_cache_update(hdev, &data, false); | |
3640 | ||
48264f06 | 3641 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 3642 | info->dev_class, info->rssi, |
af58925c | 3643 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
3644 | } |
3645 | } | |
3646 | ||
3647 | hci_dev_unlock(hdev); | |
3648 | } | |
3649 | ||
6039aa73 GP |
3650 | static void hci_remote_ext_features_evt(struct hci_dev *hdev, |
3651 | struct sk_buff *skb) | |
a9de9248 | 3652 | { |
41a96212 MH |
3653 | struct hci_ev_remote_ext_features *ev = (void *) skb->data; |
3654 | struct hci_conn *conn; | |
3655 | ||
a9de9248 | 3656 | BT_DBG("%s", hdev->name); |
41a96212 | 3657 | |
41a96212 MH |
3658 | hci_dev_lock(hdev); |
3659 | ||
3660 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
3661 | if (!conn) |
3662 | goto unlock; | |
41a96212 | 3663 | |
cad718ed JH |
3664 | if (ev->page < HCI_MAX_PAGES) |
3665 | memcpy(conn->features[ev->page], ev->features, 8); | |
3666 | ||
ccd556fe JH |
3667 | if (!ev->status && ev->page == 0x01) { |
3668 | struct inquiry_entry *ie; | |
41a96212 | 3669 | |
cc11b9c1 AE |
3670 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
3671 | if (ie) | |
02b7cc62 | 3672 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
769be974 | 3673 | |
bbb0eada | 3674 | if (ev->features[0] & LMP_HOST_SSP) { |
58a681ef | 3675 | set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
bbb0eada JK |
3676 | } else { |
3677 | /* It is mandatory by the Bluetooth specification that | |
3678 | * Extended Inquiry Results are only used when Secure | |
3679 | * Simple Pairing is enabled, but some devices violate | |
3680 | * this. | |
3681 | * | |
3682 | * To make these devices work, the internal SSP | |
3683 | * enabled flag needs to be cleared if the remote host | |
3684 | * features do not indicate SSP support */ | |
3685 | clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
3686 | } | |
eb9a8f3f MH |
3687 | |
3688 | if (ev->features[0] & LMP_HOST_SC) | |
3689 | set_bit(HCI_CONN_SC_ENABLED, &conn->flags); | |
ccd556fe JH |
3690 | } |
3691 | ||
3692 | if (conn->state != BT_CONFIG) | |
3693 | goto unlock; | |
3694 | ||
671267bf | 3695 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
3696 | struct hci_cp_remote_name_req cp; |
3697 | memset(&cp, 0, sizeof(cp)); | |
3698 | bacpy(&cp.bdaddr, &conn->dst); | |
3699 | cp.pscan_rep_mode = 0x02; | |
3700 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 3701 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 3702 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 3703 | |
127178d2 | 3704 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 3705 | conn->state = BT_CONNECTED; |
539c496d | 3706 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3707 | hci_conn_drop(conn); |
41a96212 MH |
3708 | } |
3709 | ||
ccd556fe | 3710 | unlock: |
41a96212 | 3711 | hci_dev_unlock(hdev); |
a9de9248 MH |
3712 | } |
3713 | ||
6039aa73 GP |
3714 | static void hci_sync_conn_complete_evt(struct hci_dev *hdev, |
3715 | struct sk_buff *skb) | |
a9de9248 | 3716 | { |
b6a0dc82 MH |
3717 | struct hci_ev_sync_conn_complete *ev = (void *) skb->data; |
3718 | struct hci_conn *conn; | |
3719 | ||
9f1db00c | 3720 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
b6a0dc82 MH |
3721 | |
3722 | hci_dev_lock(hdev); | |
3723 | ||
3724 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9dc0a3af MH |
3725 | if (!conn) { |
3726 | if (ev->link_type == ESCO_LINK) | |
3727 | goto unlock; | |
3728 | ||
3729 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); | |
3730 | if (!conn) | |
3731 | goto unlock; | |
3732 | ||
3733 | conn->type = SCO_LINK; | |
3734 | } | |
b6a0dc82 | 3735 | |
732547f9 MH |
3736 | switch (ev->status) { |
3737 | case 0x00: | |
b6a0dc82 MH |
3738 | conn->handle = __le16_to_cpu(ev->handle); |
3739 | conn->state = BT_CONNECTED; | |
7d0db0a3 | 3740 | |
23b9ceb7 | 3741 | hci_debugfs_create_conn(conn); |
7d0db0a3 | 3742 | hci_conn_add_sysfs(conn); |
732547f9 MH |
3743 | break; |
3744 | ||
81218d20 | 3745 | case 0x10: /* Connection Accept Timeout */ |
1a4c958c | 3746 | case 0x0d: /* Connection Rejected due to Limited Resources */ |
705e5711 | 3747 | case 0x11: /* Unsupported Feature or Parameter Value */ |
732547f9 | 3748 | case 0x1c: /* SCO interval rejected */ |
1038a00b | 3749 | case 0x1a: /* Unsupported Remote Feature */ |
732547f9 | 3750 | case 0x1f: /* Unspecified error */ |
27539bc4 | 3751 | case 0x20: /* Unsupported LMP Parameter value */ |
2dea632f | 3752 | if (conn->out) { |
732547f9 MH |
3753 | conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
3754 | (hdev->esco_type & EDR_ESCO_MASK); | |
2dea632f FD |
3755 | if (hci_setup_sync(conn, conn->link->handle)) |
3756 | goto unlock; | |
732547f9 MH |
3757 | } |
3758 | /* fall through */ | |
3759 | ||
3760 | default: | |
b6a0dc82 | 3761 | conn->state = BT_CLOSED; |
732547f9 MH |
3762 | break; |
3763 | } | |
b6a0dc82 | 3764 | |
539c496d | 3765 | hci_connect_cfm(conn, ev->status); |
b6a0dc82 MH |
3766 | if (ev->status) |
3767 | hci_conn_del(conn); | |
3768 | ||
3769 | unlock: | |
3770 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3771 | } |
3772 | ||
efdcf8e3 MH |
3773 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
3774 | { | |
3775 | size_t parsed = 0; | |
3776 | ||
3777 | while (parsed < eir_len) { | |
3778 | u8 field_len = eir[0]; | |
3779 | ||
3780 | if (field_len == 0) | |
3781 | return parsed; | |
3782 | ||
3783 | parsed += field_len + 1; | |
3784 | eir += field_len + 1; | |
3785 | } | |
3786 | ||
3787 | return eir_len; | |
3788 | } | |
3789 | ||
6039aa73 GP |
3790 | static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, |
3791 | struct sk_buff *skb) | |
1da177e4 | 3792 | { |
a9de9248 MH |
3793 | struct inquiry_data data; |
3794 | struct extended_inquiry_info *info = (void *) (skb->data + 1); | |
3795 | int num_rsp = *((__u8 *) skb->data); | |
9d939d94 | 3796 | size_t eir_len; |
1da177e4 | 3797 | |
a9de9248 | 3798 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
1da177e4 | 3799 | |
a9de9248 MH |
3800 | if (!num_rsp) |
3801 | return; | |
1da177e4 | 3802 | |
d7a5a11d | 3803 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
3804 | return; |
3805 | ||
a9de9248 MH |
3806 | hci_dev_lock(hdev); |
3807 | ||
e17acd40 | 3808 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3809 | u32 flags; |
3810 | bool name_known; | |
561aafbc | 3811 | |
a9de9248 | 3812 | bacpy(&data.bdaddr, &info->bdaddr); |
138d22ef SJ |
3813 | data.pscan_rep_mode = info->pscan_rep_mode; |
3814 | data.pscan_period_mode = info->pscan_period_mode; | |
3815 | data.pscan_mode = 0x00; | |
a9de9248 | 3816 | memcpy(data.dev_class, info->dev_class, 3); |
138d22ef SJ |
3817 | data.clock_offset = info->clock_offset; |
3818 | data.rssi = info->rssi; | |
41a96212 | 3819 | data.ssp_mode = 0x01; |
561aafbc | 3820 | |
d7a5a11d | 3821 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
4ddb1930 | 3822 | name_known = eir_has_data_type(info->data, |
04124681 GP |
3823 | sizeof(info->data), |
3824 | EIR_NAME_COMPLETE); | |
561aafbc JH |
3825 | else |
3826 | name_known = true; | |
3827 | ||
af58925c MH |
3828 | flags = hci_inquiry_cache_update(hdev, &data, name_known); |
3829 | ||
9d939d94 | 3830 | eir_len = eir_get_length(info->data, sizeof(info->data)); |
af58925c | 3831 | |
48264f06 | 3832 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
af58925c MH |
3833 | info->dev_class, info->rssi, |
3834 | flags, info->data, eir_len, NULL, 0); | |
a9de9248 MH |
3835 | } |
3836 | ||
3837 | hci_dev_unlock(hdev); | |
3838 | } | |
1da177e4 | 3839 | |
1c2e0041 JH |
3840 | static void hci_key_refresh_complete_evt(struct hci_dev *hdev, |
3841 | struct sk_buff *skb) | |
3842 | { | |
3843 | struct hci_ev_key_refresh_complete *ev = (void *) skb->data; | |
3844 | struct hci_conn *conn; | |
3845 | ||
9f1db00c | 3846 | BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, |
1c2e0041 JH |
3847 | __le16_to_cpu(ev->handle)); |
3848 | ||
3849 | hci_dev_lock(hdev); | |
3850 | ||
3851 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
3852 | if (!conn) | |
3853 | goto unlock; | |
3854 | ||
9eb1fbfa JH |
3855 | /* For BR/EDR the necessary steps are taken through the |
3856 | * auth_complete event. | |
3857 | */ | |
3858 | if (conn->type != LE_LINK) | |
3859 | goto unlock; | |
3860 | ||
1c2e0041 JH |
3861 | if (!ev->status) |
3862 | conn->sec_level = conn->pending_sec_level; | |
3863 | ||
3864 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); | |
3865 | ||
3866 | if (ev->status && conn->state == BT_CONNECTED) { | |
bed71748 | 3867 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
76a68ba0 | 3868 | hci_conn_drop(conn); |
1c2e0041 JH |
3869 | goto unlock; |
3870 | } | |
3871 | ||
3872 | if (conn->state == BT_CONFIG) { | |
3873 | if (!ev->status) | |
3874 | conn->state = BT_CONNECTED; | |
3875 | ||
539c496d | 3876 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3877 | hci_conn_drop(conn); |
1c2e0041 JH |
3878 | } else { |
3879 | hci_auth_cfm(conn, ev->status); | |
3880 | ||
3881 | hci_conn_hold(conn); | |
3882 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 3883 | hci_conn_drop(conn); |
1c2e0041 JH |
3884 | } |
3885 | ||
3886 | unlock: | |
3887 | hci_dev_unlock(hdev); | |
3888 | } | |
3889 | ||
6039aa73 | 3890 | static u8 hci_get_auth_req(struct hci_conn *conn) |
17fa4b9d | 3891 | { |
17fa4b9d | 3892 | /* If remote requests no-bonding follow that lead */ |
acabae96 MA |
3893 | if (conn->remote_auth == HCI_AT_NO_BONDING || |
3894 | conn->remote_auth == HCI_AT_NO_BONDING_MITM) | |
58797bf7 | 3895 | return conn->remote_auth | (conn->auth_type & 0x01); |
17fa4b9d | 3896 | |
b7f94c88 MA |
3897 | /* If both remote and local have enough IO capabilities, require |
3898 | * MITM protection | |
3899 | */ | |
3900 | if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT && | |
3901 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) | |
3902 | return conn->remote_auth | 0x01; | |
3903 | ||
7e74170a TM |
3904 | /* No MITM protection possible so ignore remote requirement */ |
3905 | return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); | |
17fa4b9d JH |
3906 | } |
3907 | ||
a83ed81e MH |
3908 | static u8 bredr_oob_data_present(struct hci_conn *conn) |
3909 | { | |
3910 | struct hci_dev *hdev = conn->hdev; | |
3911 | struct oob_data *data; | |
3912 | ||
3913 | data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR); | |
3914 | if (!data) | |
3915 | return 0x00; | |
3916 | ||
455c2ff0 MH |
3917 | if (bredr_sc_enabled(hdev)) { |
3918 | /* When Secure Connections is enabled, then just | |
3919 | * return the present value stored with the OOB | |
3920 | * data. The stored value contains the right present | |
3921 | * information. However it can only be trusted when | |
3922 | * not in Secure Connection Only mode. | |
3923 | */ | |
3924 | if (!hci_dev_test_flag(hdev, HCI_SC_ONLY)) | |
3925 | return data->present; | |
659c7fb0 | 3926 | |
455c2ff0 MH |
3927 | /* When Secure Connections Only mode is enabled, then |
3928 | * the P-256 values are required. If they are not | |
3929 | * available, then do not declare that OOB data is | |
3930 | * present. | |
659c7fb0 | 3931 | */ |
455c2ff0 MH |
3932 | if (!memcmp(data->rand256, ZERO_KEY, 16) || |
3933 | !memcmp(data->hash256, ZERO_KEY, 16)) | |
659c7fb0 MH |
3934 | return 0x00; |
3935 | ||
455c2ff0 | 3936 | return 0x02; |
659c7fb0 | 3937 | } |
a83ed81e | 3938 | |
455c2ff0 MH |
3939 | /* When Secure Connections is not enabled or actually |
3940 | * not supported by the hardware, then check that if | |
3941 | * P-192 data values are present. | |
3942 | */ | |
3943 | if (!memcmp(data->rand192, ZERO_KEY, 16) || | |
3944 | !memcmp(data->hash192, ZERO_KEY, 16)) | |
3945 | return 0x00; | |
3946 | ||
3947 | return 0x01; | |
a83ed81e MH |
3948 | } |
3949 | ||
6039aa73 | 3950 | static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
0493684e MH |
3951 | { |
3952 | struct hci_ev_io_capa_request *ev = (void *) skb->data; | |
3953 | struct hci_conn *conn; | |
3954 | ||
3955 | BT_DBG("%s", hdev->name); | |
3956 | ||
3957 | hci_dev_lock(hdev); | |
3958 | ||
3959 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
03b555e1 JH |
3960 | if (!conn) |
3961 | goto unlock; | |
3962 | ||
3963 | hci_conn_hold(conn); | |
3964 | ||
d7a5a11d | 3965 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
03b555e1 JH |
3966 | goto unlock; |
3967 | ||
2f407f0a JH |
3968 | /* Allow pairing if we're pairable, the initiators of the |
3969 | * pairing or if the remote is not requesting bonding. | |
3970 | */ | |
d7a5a11d | 3971 | if (hci_dev_test_flag(hdev, HCI_BONDABLE) || |
2f407f0a | 3972 | test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) || |
807deac2 | 3973 | (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { |
17fa4b9d JH |
3974 | struct hci_cp_io_capability_reply cp; |
3975 | ||
3976 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
7a7f1e7c HG |
3977 | /* Change the IO capability from KeyboardDisplay |
3978 | * to DisplayYesNo as it is not supported by BT spec. */ | |
3979 | cp.capability = (conn->io_capability == 0x04) ? | |
a767631a | 3980 | HCI_IO_DISPLAY_YESNO : conn->io_capability; |
b7f94c88 MA |
3981 | |
3982 | /* If we are initiators, there is no remote information yet */ | |
3983 | if (conn->remote_auth == 0xff) { | |
b16c6604 | 3984 | /* Request MITM protection if our IO caps allow it |
4ad51a75 | 3985 | * except for the no-bonding case. |
b16c6604 | 3986 | */ |
6fd6b915 | 3987 | if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
9f743d74 | 3988 | conn->auth_type != HCI_AT_NO_BONDING) |
6c53823a | 3989 | conn->auth_type |= 0x01; |
b7f94c88 MA |
3990 | } else { |
3991 | conn->auth_type = hci_get_auth_req(conn); | |
b7f94c88 | 3992 | } |
17fa4b9d | 3993 | |
82c295b1 JH |
3994 | /* If we're not bondable, force one of the non-bondable |
3995 | * authentication requirement values. | |
3996 | */ | |
d7a5a11d | 3997 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE)) |
82c295b1 JH |
3998 | conn->auth_type &= HCI_AT_NO_BONDING_MITM; |
3999 | ||
4000 | cp.authentication = conn->auth_type; | |
a83ed81e | 4001 | cp.oob_data = bredr_oob_data_present(conn); |
ce85ee13 | 4002 | |
17fa4b9d | 4003 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, |
807deac2 | 4004 | sizeof(cp), &cp); |
03b555e1 JH |
4005 | } else { |
4006 | struct hci_cp_io_capability_neg_reply cp; | |
4007 | ||
4008 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9f5a0d7b | 4009 | cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; |
0493684e | 4010 | |
03b555e1 | 4011 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, |
807deac2 | 4012 | sizeof(cp), &cp); |
03b555e1 JH |
4013 | } |
4014 | ||
4015 | unlock: | |
4016 | hci_dev_unlock(hdev); | |
4017 | } | |
4018 | ||
6039aa73 | 4019 | static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) |
03b555e1 JH |
4020 | { |
4021 | struct hci_ev_io_capa_reply *ev = (void *) skb->data; | |
4022 | struct hci_conn *conn; | |
4023 | ||
4024 | BT_DBG("%s", hdev->name); | |
4025 | ||
4026 | hci_dev_lock(hdev); | |
4027 | ||
4028 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4029 | if (!conn) | |
4030 | goto unlock; | |
4031 | ||
03b555e1 | 4032 | conn->remote_cap = ev->capability; |
03b555e1 JH |
4033 | conn->remote_auth = ev->authentication; |
4034 | ||
4035 | unlock: | |
0493684e MH |
4036 | hci_dev_unlock(hdev); |
4037 | } | |
4038 | ||
6039aa73 GP |
4039 | static void hci_user_confirm_request_evt(struct hci_dev *hdev, |
4040 | struct sk_buff *skb) | |
a5c29683 JH |
4041 | { |
4042 | struct hci_ev_user_confirm_req *ev = (void *) skb->data; | |
55bc1a37 | 4043 | int loc_mitm, rem_mitm, confirm_hint = 0; |
7a828908 | 4044 | struct hci_conn *conn; |
a5c29683 JH |
4045 | |
4046 | BT_DBG("%s", hdev->name); | |
4047 | ||
4048 | hci_dev_lock(hdev); | |
4049 | ||
d7a5a11d | 4050 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7a828908 | 4051 | goto unlock; |
a5c29683 | 4052 | |
7a828908 JH |
4053 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4054 | if (!conn) | |
4055 | goto unlock; | |
4056 | ||
4057 | loc_mitm = (conn->auth_type & 0x01); | |
4058 | rem_mitm = (conn->remote_auth & 0x01); | |
4059 | ||
4060 | /* If we require MITM but the remote device can't provide that | |
6c53823a JH |
4061 | * (it has NoInputNoOutput) then reject the confirmation |
4062 | * request. We check the security level here since it doesn't | |
4063 | * necessarily match conn->auth_type. | |
6fd6b915 | 4064 | */ |
6c53823a JH |
4065 | if (conn->pending_sec_level > BT_SECURITY_MEDIUM && |
4066 | conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { | |
7a828908 JH |
4067 | BT_DBG("Rejecting request: remote device can't provide MITM"); |
4068 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, | |
807deac2 | 4069 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4070 | goto unlock; |
4071 | } | |
4072 | ||
4073 | /* If no side requires MITM protection; auto-accept */ | |
a767631a MA |
4074 | if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && |
4075 | (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { | |
55bc1a37 JH |
4076 | |
4077 | /* If we're not the initiators request authorization to | |
4078 | * proceed from user space (mgmt_user_confirm with | |
ba15a58b | 4079 | * confirm_hint set to 1). The exception is if neither |
02f3e254 JH |
4080 | * side had MITM or if the local IO capability is |
4081 | * NoInputNoOutput, in which case we do auto-accept | |
ba15a58b JH |
4082 | */ |
4083 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && | |
02f3e254 | 4084 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
ba15a58b | 4085 | (loc_mitm || rem_mitm)) { |
55bc1a37 JH |
4086 | BT_DBG("Confirming auto-accept as acceptor"); |
4087 | confirm_hint = 1; | |
4088 | goto confirm; | |
4089 | } | |
4090 | ||
9f61656a | 4091 | BT_DBG("Auto-accept of user confirmation with %ums delay", |
807deac2 | 4092 | hdev->auto_accept_delay); |
9f61656a JH |
4093 | |
4094 | if (hdev->auto_accept_delay > 0) { | |
4095 | int delay = msecs_to_jiffies(hdev->auto_accept_delay); | |
7bc18d9d JH |
4096 | queue_delayed_work(conn->hdev->workqueue, |
4097 | &conn->auto_accept_work, delay); | |
9f61656a JH |
4098 | goto unlock; |
4099 | } | |
4100 | ||
7a828908 | 4101 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, |
807deac2 | 4102 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4103 | goto unlock; |
4104 | } | |
4105 | ||
55bc1a37 | 4106 | confirm: |
39adbffe JH |
4107 | mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, |
4108 | le32_to_cpu(ev->passkey), confirm_hint); | |
7a828908 JH |
4109 | |
4110 | unlock: | |
a5c29683 JH |
4111 | hci_dev_unlock(hdev); |
4112 | } | |
4113 | ||
6039aa73 GP |
4114 | static void hci_user_passkey_request_evt(struct hci_dev *hdev, |
4115 | struct sk_buff *skb) | |
1143d458 BG |
4116 | { |
4117 | struct hci_ev_user_passkey_req *ev = (void *) skb->data; | |
4118 | ||
4119 | BT_DBG("%s", hdev->name); | |
4120 | ||
d7a5a11d | 4121 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 4122 | mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); |
1143d458 BG |
4123 | } |
4124 | ||
92a25256 JH |
4125 | static void hci_user_passkey_notify_evt(struct hci_dev *hdev, |
4126 | struct sk_buff *skb) | |
4127 | { | |
4128 | struct hci_ev_user_passkey_notify *ev = (void *) skb->data; | |
4129 | struct hci_conn *conn; | |
4130 | ||
4131 | BT_DBG("%s", hdev->name); | |
4132 | ||
4133 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4134 | if (!conn) | |
4135 | return; | |
4136 | ||
4137 | conn->passkey_notify = __le32_to_cpu(ev->passkey); | |
4138 | conn->passkey_entered = 0; | |
4139 | ||
d7a5a11d | 4140 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4141 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4142 | conn->dst_type, conn->passkey_notify, | |
4143 | conn->passkey_entered); | |
4144 | } | |
4145 | ||
4146 | static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4147 | { | |
4148 | struct hci_ev_keypress_notify *ev = (void *) skb->data; | |
4149 | struct hci_conn *conn; | |
4150 | ||
4151 | BT_DBG("%s", hdev->name); | |
4152 | ||
4153 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4154 | if (!conn) | |
4155 | return; | |
4156 | ||
4157 | switch (ev->type) { | |
4158 | case HCI_KEYPRESS_STARTED: | |
4159 | conn->passkey_entered = 0; | |
4160 | return; | |
4161 | ||
4162 | case HCI_KEYPRESS_ENTERED: | |
4163 | conn->passkey_entered++; | |
4164 | break; | |
4165 | ||
4166 | case HCI_KEYPRESS_ERASED: | |
4167 | conn->passkey_entered--; | |
4168 | break; | |
4169 | ||
4170 | case HCI_KEYPRESS_CLEARED: | |
4171 | conn->passkey_entered = 0; | |
4172 | break; | |
4173 | ||
4174 | case HCI_KEYPRESS_COMPLETED: | |
4175 | return; | |
4176 | } | |
4177 | ||
d7a5a11d | 4178 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4179 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4180 | conn->dst_type, conn->passkey_notify, | |
4181 | conn->passkey_entered); | |
4182 | } | |
4183 | ||
6039aa73 GP |
4184 | static void hci_simple_pair_complete_evt(struct hci_dev *hdev, |
4185 | struct sk_buff *skb) | |
0493684e MH |
4186 | { |
4187 | struct hci_ev_simple_pair_complete *ev = (void *) skb->data; | |
4188 | struct hci_conn *conn; | |
4189 | ||
4190 | BT_DBG("%s", hdev->name); | |
4191 | ||
4192 | hci_dev_lock(hdev); | |
4193 | ||
4194 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
2a611692 JH |
4195 | if (!conn) |
4196 | goto unlock; | |
4197 | ||
c1d4fa7a JH |
4198 | /* Reset the authentication requirement to unknown */ |
4199 | conn->remote_auth = 0xff; | |
4200 | ||
2a611692 JH |
4201 | /* To avoid duplicate auth_failed events to user space we check |
4202 | * the HCI_CONN_AUTH_PEND flag which will be set if we | |
4203 | * initiated the authentication. A traditional auth_complete | |
4204 | * event gets always produced as initiator and is also mapped to | |
4205 | * the mgmt_auth_failed event */ | |
fa1bd918 | 4206 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) |
e1e930f5 | 4207 | mgmt_auth_failed(conn, ev->status); |
0493684e | 4208 | |
76a68ba0 | 4209 | hci_conn_drop(conn); |
2a611692 JH |
4210 | |
4211 | unlock: | |
0493684e MH |
4212 | hci_dev_unlock(hdev); |
4213 | } | |
4214 | ||
6039aa73 GP |
4215 | static void hci_remote_host_features_evt(struct hci_dev *hdev, |
4216 | struct sk_buff *skb) | |
41a96212 MH |
4217 | { |
4218 | struct hci_ev_remote_host_features *ev = (void *) skb->data; | |
4219 | struct inquiry_entry *ie; | |
cad718ed | 4220 | struct hci_conn *conn; |
41a96212 MH |
4221 | |
4222 | BT_DBG("%s", hdev->name); | |
4223 | ||
4224 | hci_dev_lock(hdev); | |
4225 | ||
cad718ed JH |
4226 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4227 | if (conn) | |
4228 | memcpy(conn->features[1], ev->features, 8); | |
4229 | ||
cc11b9c1 AE |
4230 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4231 | if (ie) | |
02b7cc62 | 4232 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
41a96212 MH |
4233 | |
4234 | hci_dev_unlock(hdev); | |
4235 | } | |
4236 | ||
6039aa73 GP |
4237 | static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, |
4238 | struct sk_buff *skb) | |
2763eda6 SJ |
4239 | { |
4240 | struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; | |
4241 | struct oob_data *data; | |
4242 | ||
4243 | BT_DBG("%s", hdev->name); | |
4244 | ||
4245 | hci_dev_lock(hdev); | |
4246 | ||
d7a5a11d | 4247 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
e1ba1f15 SJ |
4248 | goto unlock; |
4249 | ||
6928a924 | 4250 | data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR); |
6665d057 MH |
4251 | if (!data) { |
4252 | struct hci_cp_remote_oob_data_neg_reply cp; | |
519ca9d0 | 4253 | |
6665d057 MH |
4254 | bacpy(&cp.bdaddr, &ev->bdaddr); |
4255 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, | |
4256 | sizeof(cp), &cp); | |
4257 | goto unlock; | |
4258 | } | |
2763eda6 | 4259 | |
6665d057 MH |
4260 | if (bredr_sc_enabled(hdev)) { |
4261 | struct hci_cp_remote_oob_ext_data_reply cp; | |
519ca9d0 | 4262 | |
6665d057 | 4263 | bacpy(&cp.bdaddr, &ev->bdaddr); |
d7a5a11d | 4264 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
6665d057 MH |
4265 | memset(cp.hash192, 0, sizeof(cp.hash192)); |
4266 | memset(cp.rand192, 0, sizeof(cp.rand192)); | |
4267 | } else { | |
4268 | memcpy(cp.hash192, data->hash192, sizeof(cp.hash192)); | |
4269 | memcpy(cp.rand192, data->rand192, sizeof(cp.rand192)); | |
519ca9d0 | 4270 | } |
6665d057 MH |
4271 | memcpy(cp.hash256, data->hash256, sizeof(cp.hash256)); |
4272 | memcpy(cp.rand256, data->rand256, sizeof(cp.rand256)); | |
4273 | ||
4274 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY, | |
4275 | sizeof(cp), &cp); | |
2763eda6 | 4276 | } else { |
6665d057 | 4277 | struct hci_cp_remote_oob_data_reply cp; |
2763eda6 SJ |
4278 | |
4279 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
6665d057 MH |
4280 | memcpy(cp.hash, data->hash192, sizeof(cp.hash)); |
4281 | memcpy(cp.rand, data->rand192, sizeof(cp.rand)); | |
4282 | ||
4283 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, | |
519ca9d0 | 4284 | sizeof(cp), &cp); |
2763eda6 SJ |
4285 | } |
4286 | ||
e1ba1f15 | 4287 | unlock: |
2763eda6 SJ |
4288 | hci_dev_unlock(hdev); |
4289 | } | |
4290 | ||
a77a6a14 AW |
4291 | #if IS_ENABLED(CONFIG_BT_HS) |
4292 | static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4293 | { | |
4294 | struct hci_ev_channel_selected *ev = (void *)skb->data; | |
4295 | struct hci_conn *hcon; | |
4296 | ||
4297 | BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); | |
4298 | ||
4299 | skb_pull(skb, sizeof(*ev)); | |
4300 | ||
4301 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4302 | if (!hcon) | |
4303 | return; | |
4304 | ||
4305 | amp_read_loc_assoc_final_data(hdev, hcon); | |
4306 | } | |
4307 | ||
d5e91192 AE |
4308 | static void hci_phy_link_complete_evt(struct hci_dev *hdev, |
4309 | struct sk_buff *skb) | |
4310 | { | |
4311 | struct hci_ev_phy_link_complete *ev = (void *) skb->data; | |
4312 | struct hci_conn *hcon, *bredr_hcon; | |
4313 | ||
4314 | BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, | |
4315 | ev->status); | |
4316 | ||
4317 | hci_dev_lock(hdev); | |
4318 | ||
4319 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4320 | if (!hcon) { | |
4321 | hci_dev_unlock(hdev); | |
4322 | return; | |
4323 | } | |
4324 | ||
4325 | if (ev->status) { | |
4326 | hci_conn_del(hcon); | |
4327 | hci_dev_unlock(hdev); | |
4328 | return; | |
4329 | } | |
4330 | ||
4331 | bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; | |
4332 | ||
4333 | hcon->state = BT_CONNECTED; | |
4334 | bacpy(&hcon->dst, &bredr_hcon->dst); | |
4335 | ||
4336 | hci_conn_hold(hcon); | |
4337 | hcon->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 4338 | hci_conn_drop(hcon); |
d5e91192 | 4339 | |
23b9ceb7 | 4340 | hci_debugfs_create_conn(hcon); |
d5e91192 AE |
4341 | hci_conn_add_sysfs(hcon); |
4342 | ||
cf70ff22 | 4343 | amp_physical_cfm(bredr_hcon, hcon); |
d5e91192 | 4344 | |
cf70ff22 | 4345 | hci_dev_unlock(hdev); |
d5e91192 AE |
4346 | } |
4347 | ||
27695fb4 AE |
4348 | static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
4349 | { | |
4350 | struct hci_ev_logical_link_complete *ev = (void *) skb->data; | |
4351 | struct hci_conn *hcon; | |
4352 | struct hci_chan *hchan; | |
4353 | struct amp_mgr *mgr; | |
4354 | ||
4355 | BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", | |
4356 | hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, | |
4357 | ev->status); | |
4358 | ||
4359 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4360 | if (!hcon) | |
4361 | return; | |
4362 | ||
4363 | /* Create AMP hchan */ | |
4364 | hchan = hci_chan_create(hcon); | |
4365 | if (!hchan) | |
4366 | return; | |
4367 | ||
4368 | hchan->handle = le16_to_cpu(ev->handle); | |
4369 | ||
4370 | BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); | |
4371 | ||
4372 | mgr = hcon->amp_mgr; | |
4373 | if (mgr && mgr->bredr_chan) { | |
4374 | struct l2cap_chan *bredr_chan = mgr->bredr_chan; | |
4375 | ||
4376 | l2cap_chan_lock(bredr_chan); | |
4377 | ||
4378 | bredr_chan->conn->mtu = hdev->block_mtu; | |
4379 | l2cap_logical_cfm(bredr_chan, hchan, 0); | |
4380 | hci_conn_hold(hcon); | |
4381 | ||
4382 | l2cap_chan_unlock(bredr_chan); | |
4383 | } | |
4384 | } | |
4385 | ||
606e2a10 AE |
4386 | static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, |
4387 | struct sk_buff *skb) | |
4388 | { | |
4389 | struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; | |
4390 | struct hci_chan *hchan; | |
4391 | ||
4392 | BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, | |
4393 | le16_to_cpu(ev->handle), ev->status); | |
4394 | ||
4395 | if (ev->status) | |
4396 | return; | |
4397 | ||
4398 | hci_dev_lock(hdev); | |
4399 | ||
4400 | hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); | |
4401 | if (!hchan) | |
4402 | goto unlock; | |
4403 | ||
4404 | amp_destroy_logical_link(hchan, ev->reason); | |
4405 | ||
4406 | unlock: | |
4407 | hci_dev_unlock(hdev); | |
4408 | } | |
4409 | ||
9eef6b3a AE |
4410 | static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, |
4411 | struct sk_buff *skb) | |
4412 | { | |
4413 | struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; | |
4414 | struct hci_conn *hcon; | |
4415 | ||
4416 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4417 | ||
4418 | if (ev->status) | |
4419 | return; | |
4420 | ||
4421 | hci_dev_lock(hdev); | |
4422 | ||
4423 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4424 | if (hcon) { | |
4425 | hcon->state = BT_CLOSED; | |
4426 | hci_conn_del(hcon); | |
4427 | } | |
4428 | ||
4429 | hci_dev_unlock(hdev); | |
4430 | } | |
a77a6a14 | 4431 | #endif |
9eef6b3a | 4432 | |
6039aa73 | 4433 | static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
4434 | { |
4435 | struct hci_ev_le_conn_complete *ev = (void *) skb->data; | |
912b42ef | 4436 | struct hci_conn_params *params; |
fcd89c09 | 4437 | struct hci_conn *conn; |
68d6f6de | 4438 | struct smp_irk *irk; |
837d502e | 4439 | u8 addr_type; |
fcd89c09 | 4440 | |
9f1db00c | 4441 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
fcd89c09 VT |
4442 | |
4443 | hci_dev_lock(hdev); | |
4444 | ||
fbd96c15 JH |
4445 | /* All controllers implicitly stop advertising in the event of a |
4446 | * connection, so ensure that the state bit is cleared. | |
4447 | */ | |
a358dc11 | 4448 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
fbd96c15 | 4449 | |
e7d9ab73 | 4450 | conn = hci_lookup_le_connect(hdev); |
b62f328b | 4451 | if (!conn) { |
a5c4e309 | 4452 | conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role); |
b62f328b VT |
4453 | if (!conn) { |
4454 | BT_ERR("No memory for new connection"); | |
230fd16a | 4455 | goto unlock; |
b62f328b | 4456 | } |
29b7988a AG |
4457 | |
4458 | conn->dst_type = ev->bdaddr_type; | |
b9b343d2 | 4459 | |
cb1d68f7 JH |
4460 | /* If we didn't have a hci_conn object previously |
4461 | * but we're in master role this must be something | |
4462 | * initiated using a white list. Since white list based | |
4463 | * connections are not "first class citizens" we don't | |
4464 | * have full tracking of them. Therefore, we go ahead | |
4465 | * with a "best effort" approach of determining the | |
4466 | * initiator address based on the HCI_PRIVACY flag. | |
4467 | */ | |
4468 | if (conn->out) { | |
4469 | conn->resp_addr_type = ev->bdaddr_type; | |
4470 | bacpy(&conn->resp_addr, &ev->bdaddr); | |
d7a5a11d | 4471 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
cb1d68f7 JH |
4472 | conn->init_addr_type = ADDR_LE_DEV_RANDOM; |
4473 | bacpy(&conn->init_addr, &hdev->rpa); | |
4474 | } else { | |
4475 | hci_copy_identity_address(hdev, | |
4476 | &conn->init_addr, | |
4477 | &conn->init_addr_type); | |
4478 | } | |
cb1d68f7 | 4479 | } |
9489eca4 JH |
4480 | } else { |
4481 | cancel_delayed_work(&conn->le_conn_timeout); | |
b62f328b | 4482 | } |
fcd89c09 | 4483 | |
80c24ab8 JH |
4484 | if (!conn->out) { |
4485 | /* Set the responder (our side) address type based on | |
4486 | * the advertising address type. | |
4487 | */ | |
4488 | conn->resp_addr_type = hdev->adv_addr_type; | |
4489 | if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) | |
4490 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
4491 | else | |
4492 | bacpy(&conn->resp_addr, &hdev->bdaddr); | |
4493 | ||
4494 | conn->init_addr_type = ev->bdaddr_type; | |
4495 | bacpy(&conn->init_addr, &ev->bdaddr); | |
a720d735 MH |
4496 | |
4497 | /* For incoming connections, set the default minimum | |
4498 | * and maximum connection interval. They will be used | |
4499 | * to check if the parameters are in range and if not | |
4500 | * trigger the connection update procedure. | |
4501 | */ | |
4502 | conn->le_conn_min_interval = hdev->le_conn_min_interval; | |
4503 | conn->le_conn_max_interval = hdev->le_conn_max_interval; | |
80c24ab8 | 4504 | } |
7be2edbb | 4505 | |
edb4b466 MH |
4506 | /* Lookup the identity address from the stored connection |
4507 | * address and address type. | |
4508 | * | |
4509 | * When establishing connections to an identity address, the | |
4510 | * connection procedure will store the resolvable random | |
4511 | * address first. Now if it can be converted back into the | |
4512 | * identity address, start using the identity address from | |
4513 | * now on. | |
4514 | */ | |
4515 | irk = hci_get_irk(hdev, &conn->dst, conn->dst_type); | |
68d6f6de JH |
4516 | if (irk) { |
4517 | bacpy(&conn->dst, &irk->bdaddr); | |
4518 | conn->dst_type = irk->addr_type; | |
4519 | } | |
4520 | ||
2d3c2260 JH |
4521 | if (ev->status) { |
4522 | hci_le_conn_failed(conn, ev->status); | |
837d502e JH |
4523 | goto unlock; |
4524 | } | |
4525 | ||
08853f18 JH |
4526 | if (conn->dst_type == ADDR_LE_DEV_PUBLIC) |
4527 | addr_type = BDADDR_LE_PUBLIC; | |
4528 | else | |
4529 | addr_type = BDADDR_LE_RANDOM; | |
4530 | ||
2d3c2260 JH |
4531 | /* Drop the connection if the device is blocked */ |
4532 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) { | |
4533 | hci_conn_drop(conn); | |
cd17decb AG |
4534 | goto unlock; |
4535 | } | |
4536 | ||
b644ba33 | 4537 | if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 4538 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
83bc71b4 | 4539 | |
7b5c0d52 | 4540 | conn->sec_level = BT_SECURITY_LOW; |
fcd89c09 | 4541 | conn->handle = __le16_to_cpu(ev->handle); |
0fe29fd1 | 4542 | conn->state = BT_CONFIG; |
fcd89c09 | 4543 | |
e04fde60 MH |
4544 | conn->le_conn_interval = le16_to_cpu(ev->interval); |
4545 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
4546 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
4547 | ||
23b9ceb7 | 4548 | hci_debugfs_create_conn(conn); |
fcd89c09 VT |
4549 | hci_conn_add_sysfs(conn); |
4550 | ||
0fe29fd1 MH |
4551 | if (!ev->status) { |
4552 | /* The remote features procedure is defined for master | |
4553 | * role only. So only in case of an initiated connection | |
4554 | * request the remote features. | |
4555 | * | |
4556 | * If the local controller supports slave-initiated features | |
4557 | * exchange, then requesting the remote features in slave | |
4558 | * role is possible. Otherwise just transition into the | |
4559 | * connected state without requesting the remote features. | |
4560 | */ | |
4561 | if (conn->out || | |
4562 | (hdev->le_features[0] & HCI_LE_SLAVE_FEATURES)) { | |
4563 | struct hci_cp_le_read_remote_features cp; | |
4564 | ||
4565 | cp.handle = __cpu_to_le16(conn->handle); | |
4566 | ||
4567 | hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES, | |
4568 | sizeof(cp), &cp); | |
4569 | ||
4570 | hci_conn_hold(conn); | |
4571 | } else { | |
4572 | conn->state = BT_CONNECTED; | |
4573 | hci_connect_cfm(conn, ev->status); | |
4574 | } | |
4575 | } else { | |
4576 | hci_connect_cfm(conn, ev->status); | |
4577 | } | |
fcd89c09 | 4578 | |
5477610f JH |
4579 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst, |
4580 | conn->dst_type); | |
f161dd41 | 4581 | if (params) { |
95305baa | 4582 | list_del_init(¶ms->action); |
f161dd41 JH |
4583 | if (params->conn) { |
4584 | hci_conn_drop(params->conn); | |
f8aaf9b6 | 4585 | hci_conn_put(params->conn); |
f161dd41 JH |
4586 | params->conn = NULL; |
4587 | } | |
4588 | } | |
a4790dbd | 4589 | |
fcd89c09 | 4590 | unlock: |
223683a5 | 4591 | hci_update_background_scan(hdev); |
fcd89c09 VT |
4592 | hci_dev_unlock(hdev); |
4593 | } | |
4594 | ||
1855d92d MH |
4595 | static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, |
4596 | struct sk_buff *skb) | |
4597 | { | |
4598 | struct hci_ev_le_conn_update_complete *ev = (void *) skb->data; | |
4599 | struct hci_conn *conn; | |
4600 | ||
4601 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4602 | ||
4603 | if (ev->status) | |
4604 | return; | |
4605 | ||
4606 | hci_dev_lock(hdev); | |
4607 | ||
4608 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4609 | if (conn) { | |
4610 | conn->le_conn_interval = le16_to_cpu(ev->interval); | |
4611 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
4612 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
4613 | } | |
4614 | ||
4615 | hci_dev_unlock(hdev); | |
4616 | } | |
4617 | ||
a4790dbd | 4618 | /* This function requires the caller holds hdev->lock */ |
fd45ada9 AA |
4619 | static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, |
4620 | bdaddr_t *addr, | |
4621 | u8 addr_type, u8 adv_type) | |
a4790dbd AG |
4622 | { |
4623 | struct hci_conn *conn; | |
4b9e7e75 | 4624 | struct hci_conn_params *params; |
a4790dbd | 4625 | |
1c1abcab JH |
4626 | /* If the event is not connectable don't proceed further */ |
4627 | if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND) | |
fd45ada9 | 4628 | return NULL; |
1c1abcab JH |
4629 | |
4630 | /* Ignore if the device is blocked */ | |
dcc36c16 | 4631 | if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) |
fd45ada9 | 4632 | return NULL; |
1c1abcab | 4633 | |
f99353cf JH |
4634 | /* Most controller will fail if we try to create new connections |
4635 | * while we have an existing one in slave role. | |
4636 | */ | |
4637 | if (hdev->conn_hash.le_num_slave > 0) | |
fd45ada9 | 4638 | return NULL; |
f99353cf | 4639 | |
1c1abcab JH |
4640 | /* If we're not connectable only connect devices that we have in |
4641 | * our pend_le_conns list. | |
4642 | */ | |
28a667c9 JP |
4643 | params = hci_explicit_connect_lookup(hdev, addr, addr_type); |
4644 | ||
4b9e7e75 | 4645 | if (!params) |
fd45ada9 | 4646 | return NULL; |
4b9e7e75 | 4647 | |
28a667c9 JP |
4648 | if (!params->explicit_connect) { |
4649 | switch (params->auto_connect) { | |
4650 | case HCI_AUTO_CONN_DIRECT: | |
4651 | /* Only devices advertising with ADV_DIRECT_IND are | |
4652 | * triggering a connection attempt. This is allowing | |
4653 | * incoming connections from slave devices. | |
4654 | */ | |
4655 | if (adv_type != LE_ADV_DIRECT_IND) | |
4656 | return NULL; | |
4657 | break; | |
4658 | case HCI_AUTO_CONN_ALWAYS: | |
4659 | /* Devices advertising with ADV_IND or ADV_DIRECT_IND | |
4660 | * are triggering a connection attempt. This means | |
4661 | * that incoming connectioms from slave device are | |
4662 | * accepted and also outgoing connections to slave | |
4663 | * devices are established when found. | |
4664 | */ | |
4665 | break; | |
4666 | default: | |
fd45ada9 | 4667 | return NULL; |
28a667c9 | 4668 | } |
4b9e7e75 | 4669 | } |
a4790dbd AG |
4670 | |
4671 | conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, | |
e804d25d | 4672 | HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER); |
f161dd41 | 4673 | if (!IS_ERR(conn)) { |
28a667c9 JP |
4674 | /* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned |
4675 | * by higher layer that tried to connect, if no then | |
4676 | * store the pointer since we don't really have any | |
f161dd41 JH |
4677 | * other owner of the object besides the params that |
4678 | * triggered it. This way we can abort the connection if | |
4679 | * the parameters get removed and keep the reference | |
4680 | * count consistent once the connection is established. | |
4681 | */ | |
28a667c9 JP |
4682 | |
4683 | if (!params->explicit_connect) | |
4684 | params->conn = hci_conn_get(conn); | |
4685 | ||
fd45ada9 | 4686 | return conn; |
f161dd41 | 4687 | } |
a4790dbd AG |
4688 | |
4689 | switch (PTR_ERR(conn)) { | |
4690 | case -EBUSY: | |
4691 | /* If hci_connect() returns -EBUSY it means there is already | |
4692 | * an LE connection attempt going on. Since controllers don't | |
4693 | * support more than one connection attempt at the time, we | |
4694 | * don't consider this an error case. | |
4695 | */ | |
4696 | break; | |
4697 | default: | |
4698 | BT_DBG("Failed to connect: err %ld", PTR_ERR(conn)); | |
fd45ada9 | 4699 | return NULL; |
a4790dbd | 4700 | } |
fd45ada9 AA |
4701 | |
4702 | return NULL; | |
a4790dbd AG |
4703 | } |
4704 | ||
4af605d8 | 4705 | static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, |
2f010b55 MH |
4706 | u8 bdaddr_type, bdaddr_t *direct_addr, |
4707 | u8 direct_addr_type, s8 rssi, u8 *data, u8 len) | |
4af605d8 | 4708 | { |
b9a6328f | 4709 | struct discovery_state *d = &hdev->discovery; |
1c1abcab | 4710 | struct smp_irk *irk; |
fd45ada9 | 4711 | struct hci_conn *conn; |
474ee066 | 4712 | bool match; |
c70a7e4c | 4713 | u32 flags; |
b9a6328f | 4714 | |
2f010b55 MH |
4715 | /* If the direct address is present, then this report is from |
4716 | * a LE Direct Advertising Report event. In that case it is | |
4717 | * important to see if the address is matching the local | |
4718 | * controller address. | |
4719 | */ | |
4720 | if (direct_addr) { | |
4721 | /* Only resolvable random addresses are valid for these | |
4722 | * kind of reports and others can be ignored. | |
4723 | */ | |
4724 | if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type)) | |
4725 | return; | |
4726 | ||
4727 | /* If the controller is not using resolvable random | |
4728 | * addresses, then this report can be ignored. | |
4729 | */ | |
d7a5a11d | 4730 | if (!hci_dev_test_flag(hdev, HCI_PRIVACY)) |
2f010b55 MH |
4731 | return; |
4732 | ||
4733 | /* If the local IRK of the controller does not match | |
4734 | * with the resolvable random address provided, then | |
4735 | * this report can be ignored. | |
4736 | */ | |
4737 | if (!smp_irk_matches(hdev, hdev->irk, direct_addr)) | |
4738 | return; | |
4739 | } | |
4740 | ||
1c1abcab JH |
4741 | /* Check if we need to convert to identity address */ |
4742 | irk = hci_get_irk(hdev, bdaddr, bdaddr_type); | |
4743 | if (irk) { | |
4744 | bdaddr = &irk->bdaddr; | |
4745 | bdaddr_type = irk->addr_type; | |
4746 | } | |
4747 | ||
4748 | /* Check if we have been requested to connect to this device */ | |
fd45ada9 AA |
4749 | conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type); |
4750 | if (conn && type == LE_ADV_IND) { | |
4751 | /* Store report for later inclusion by | |
4752 | * mgmt_device_connected | |
4753 | */ | |
4754 | memcpy(conn->le_adv_data, data, len); | |
4755 | conn->le_adv_data_len = len; | |
4756 | } | |
1c1abcab | 4757 | |
0d2bf134 JH |
4758 | /* Passive scanning shouldn't trigger any device found events, |
4759 | * except for devices marked as CONN_REPORT for which we do send | |
4760 | * device found events. | |
4761 | */ | |
ca5c4be7 | 4762 | if (hdev->le_scan_type == LE_SCAN_PASSIVE) { |
0d2bf134 JH |
4763 | if (type == LE_ADV_DIRECT_IND) |
4764 | return; | |
4765 | ||
3a19b6fe JH |
4766 | if (!hci_pend_le_action_lookup(&hdev->pend_le_reports, |
4767 | bdaddr, bdaddr_type)) | |
0d2bf134 JH |
4768 | return; |
4769 | ||
4770 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND) | |
4771 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
4772 | else | |
4773 | flags = 0; | |
4774 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
4775 | rssi, flags, data, len, NULL, 0); | |
97bf2e99 | 4776 | return; |
ca5c4be7 | 4777 | } |
4af605d8 | 4778 | |
c70a7e4c MH |
4779 | /* When receiving non-connectable or scannable undirected |
4780 | * advertising reports, this means that the remote device is | |
4781 | * not connectable and then clearly indicate this in the | |
4782 | * device found event. | |
4783 | * | |
4784 | * When receiving a scan response, then there is no way to | |
4785 | * know if the remote device is connectable or not. However | |
4786 | * since scan responses are merged with a previously seen | |
4787 | * advertising report, the flags field from that report | |
4788 | * will be used. | |
4789 | * | |
4790 | * In the really unlikely case that a controller get confused | |
4791 | * and just sends a scan response event, then it is marked as | |
4792 | * not connectable as well. | |
4793 | */ | |
4794 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND || | |
4795 | type == LE_ADV_SCAN_RSP) | |
4796 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
4797 | else | |
4798 | flags = 0; | |
4799 | ||
b9a6328f JH |
4800 | /* If there's nothing pending either store the data from this |
4801 | * event or send an immediate device found event if the data | |
4802 | * should not be stored for later. | |
4803 | */ | |
4804 | if (!has_pending_adv_report(hdev)) { | |
4805 | /* If the report will trigger a SCAN_REQ store it for | |
4806 | * later merging. | |
4807 | */ | |
4808 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
4809 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 4810 | rssi, flags, data, len); |
b9a6328f JH |
4811 | return; |
4812 | } | |
4813 | ||
4814 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
c70a7e4c | 4815 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
4816 | return; |
4817 | } | |
4818 | ||
474ee066 JH |
4819 | /* Check if the pending report is for the same device as the new one */ |
4820 | match = (!bacmp(bdaddr, &d->last_adv_addr) && | |
4821 | bdaddr_type == d->last_adv_addr_type); | |
4822 | ||
b9a6328f JH |
4823 | /* If the pending data doesn't match this report or this isn't a |
4824 | * scan response (e.g. we got a duplicate ADV_IND) then force | |
4825 | * sending of the pending data. | |
4826 | */ | |
474ee066 JH |
4827 | if (type != LE_ADV_SCAN_RSP || !match) { |
4828 | /* Send out whatever is in the cache, but skip duplicates */ | |
4829 | if (!match) | |
4830 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ff5cd29f | 4831 | d->last_adv_addr_type, NULL, |
c70a7e4c | 4832 | d->last_adv_rssi, d->last_adv_flags, |
ff5cd29f | 4833 | d->last_adv_data, |
474ee066 | 4834 | d->last_adv_data_len, NULL, 0); |
b9a6328f JH |
4835 | |
4836 | /* If the new report will trigger a SCAN_REQ store it for | |
4837 | * later merging. | |
4838 | */ | |
4839 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
4840 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 4841 | rssi, flags, data, len); |
b9a6328f JH |
4842 | return; |
4843 | } | |
4844 | ||
4845 | /* The advertising reports cannot be merged, so clear | |
4846 | * the pending report and send out a device found event. | |
4847 | */ | |
4848 | clear_pending_adv_report(hdev); | |
5c5b93e4 | 4849 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, |
c70a7e4c | 4850 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
4851 | return; |
4852 | } | |
4853 | ||
4854 | /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and | |
4855 | * the new event is a SCAN_RSP. We can therefore proceed with | |
4856 | * sending a merged device found event. | |
4857 | */ | |
4858 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
c70a7e4c | 4859 | d->last_adv_addr_type, NULL, rssi, d->last_adv_flags, |
42bd6a56 | 4860 | d->last_adv_data, d->last_adv_data_len, data, len); |
b9a6328f | 4861 | clear_pending_adv_report(hdev); |
4af605d8 JH |
4862 | } |
4863 | ||
6039aa73 | 4864 | static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) |
9aa04c91 | 4865 | { |
e95beb41 AG |
4866 | u8 num_reports = skb->data[0]; |
4867 | void *ptr = &skb->data[1]; | |
9aa04c91 | 4868 | |
a4790dbd AG |
4869 | hci_dev_lock(hdev); |
4870 | ||
e95beb41 AG |
4871 | while (num_reports--) { |
4872 | struct hci_ev_le_advertising_info *ev = ptr; | |
4af605d8 | 4873 | s8 rssi; |
a4790dbd | 4874 | |
3c9e9195 | 4875 | rssi = ev->data[ev->length]; |
4af605d8 | 4876 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, |
2f010b55 MH |
4877 | ev->bdaddr_type, NULL, 0, rssi, |
4878 | ev->data, ev->length); | |
3c9e9195 | 4879 | |
e95beb41 | 4880 | ptr += sizeof(*ev) + ev->length + 1; |
9aa04c91 | 4881 | } |
a4790dbd AG |
4882 | |
4883 | hci_dev_unlock(hdev); | |
9aa04c91 AG |
4884 | } |
4885 | ||
0fe29fd1 MH |
4886 | static void hci_le_remote_feat_complete_evt(struct hci_dev *hdev, |
4887 | struct sk_buff *skb) | |
4888 | { | |
4889 | struct hci_ev_le_remote_feat_complete *ev = (void *)skb->data; | |
4890 | struct hci_conn *conn; | |
4891 | ||
4892 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4893 | ||
4894 | hci_dev_lock(hdev); | |
4895 | ||
4896 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4897 | if (conn) { | |
4898 | if (!ev->status) | |
4899 | memcpy(conn->features[0], ev->features, 8); | |
4900 | ||
4901 | if (conn->state == BT_CONFIG) { | |
4902 | __u8 status; | |
4903 | ||
4904 | /* If the local controller supports slave-initiated | |
4905 | * features exchange, but the remote controller does | |
4906 | * not, then it is possible that the error code 0x1a | |
4907 | * for unsupported remote feature gets returned. | |
4908 | * | |
4909 | * In this specific case, allow the connection to | |
4910 | * transition into connected state and mark it as | |
4911 | * successful. | |
4912 | */ | |
4913 | if ((hdev->le_features[0] & HCI_LE_SLAVE_FEATURES) && | |
4914 | !conn->out && ev->status == 0x1a) | |
4915 | status = 0x00; | |
4916 | else | |
4917 | status = ev->status; | |
4918 | ||
4919 | conn->state = BT_CONNECTED; | |
4920 | hci_connect_cfm(conn, status); | |
4921 | hci_conn_drop(conn); | |
4922 | } | |
4923 | } | |
4924 | ||
4925 | hci_dev_unlock(hdev); | |
4926 | } | |
4927 | ||
6039aa73 | 4928 | static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a7a595f6 VCG |
4929 | { |
4930 | struct hci_ev_le_ltk_req *ev = (void *) skb->data; | |
4931 | struct hci_cp_le_ltk_reply cp; | |
bea710fe | 4932 | struct hci_cp_le_ltk_neg_reply neg; |
a7a595f6 | 4933 | struct hci_conn *conn; |
c9839a11 | 4934 | struct smp_ltk *ltk; |
a7a595f6 | 4935 | |
9f1db00c | 4936 | BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); |
a7a595f6 VCG |
4937 | |
4938 | hci_dev_lock(hdev); | |
4939 | ||
4940 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
bea710fe VCG |
4941 | if (conn == NULL) |
4942 | goto not_found; | |
a7a595f6 | 4943 | |
f3a73d97 | 4944 | ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role); |
5378bc56 | 4945 | if (!ltk) |
bea710fe VCG |
4946 | goto not_found; |
4947 | ||
5378bc56 JH |
4948 | if (smp_ltk_is_sc(ltk)) { |
4949 | /* With SC both EDiv and Rand are set to zero */ | |
4950 | if (ev->ediv || ev->rand) | |
4951 | goto not_found; | |
4952 | } else { | |
4953 | /* For non-SC keys check that EDiv and Rand match */ | |
4954 | if (ev->ediv != ltk->ediv || ev->rand != ltk->rand) | |
4955 | goto not_found; | |
4956 | } | |
4957 | ||
8b76ce34 JH |
4958 | memcpy(cp.ltk, ltk->val, ltk->enc_size); |
4959 | memset(cp.ltk + ltk->enc_size, 0, sizeof(cp.ltk) - ltk->enc_size); | |
a7a595f6 | 4960 | cp.handle = cpu_to_le16(conn->handle); |
c9839a11 | 4961 | |
a6f7833c | 4962 | conn->pending_sec_level = smp_ltk_sec_level(ltk); |
a7a595f6 | 4963 | |
89cbb4da | 4964 | conn->enc_key_size = ltk->enc_size; |
a7a595f6 VCG |
4965 | |
4966 | hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); | |
4967 | ||
5981a882 CT |
4968 | /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a |
4969 | * temporary key used to encrypt a connection following | |
4970 | * pairing. It is used during the Encrypted Session Setup to | |
4971 | * distribute the keys. Later, security can be re-established | |
4972 | * using a distributed LTK. | |
4973 | */ | |
2ceba539 | 4974 | if (ltk->type == SMP_STK) { |
fe59a05f | 4975 | set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
970d0f1b JH |
4976 | list_del_rcu(<k->list); |
4977 | kfree_rcu(ltk, rcu); | |
fe59a05f JH |
4978 | } else { |
4979 | clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); | |
c9839a11 VCG |
4980 | } |
4981 | ||
a7a595f6 | 4982 | hci_dev_unlock(hdev); |
bea710fe VCG |
4983 | |
4984 | return; | |
4985 | ||
4986 | not_found: | |
4987 | neg.handle = ev->handle; | |
4988 | hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); | |
4989 | hci_dev_unlock(hdev); | |
a7a595f6 VCG |
4990 | } |
4991 | ||
8e75b46a AG |
4992 | static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle, |
4993 | u8 reason) | |
4994 | { | |
4995 | struct hci_cp_le_conn_param_req_neg_reply cp; | |
4996 | ||
4997 | cp.handle = cpu_to_le16(handle); | |
4998 | cp.reason = reason; | |
4999 | ||
5000 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp), | |
5001 | &cp); | |
5002 | } | |
5003 | ||
5004 | static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev, | |
5005 | struct sk_buff *skb) | |
5006 | { | |
5007 | struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data; | |
5008 | struct hci_cp_le_conn_param_req_reply cp; | |
5009 | struct hci_conn *hcon; | |
5010 | u16 handle, min, max, latency, timeout; | |
5011 | ||
5012 | handle = le16_to_cpu(ev->handle); | |
5013 | min = le16_to_cpu(ev->interval_min); | |
5014 | max = le16_to_cpu(ev->interval_max); | |
5015 | latency = le16_to_cpu(ev->latency); | |
5016 | timeout = le16_to_cpu(ev->timeout); | |
5017 | ||
5018 | hcon = hci_conn_hash_lookup_handle(hdev, handle); | |
5019 | if (!hcon || hcon->state != BT_CONNECTED) | |
5020 | return send_conn_param_neg_reply(hdev, handle, | |
5021 | HCI_ERROR_UNKNOWN_CONN_ID); | |
5022 | ||
5023 | if (hci_check_conn_params(min, max, latency, timeout)) | |
5024 | return send_conn_param_neg_reply(hdev, handle, | |
5025 | HCI_ERROR_INVALID_LL_PARAMS); | |
5026 | ||
40bef302 | 5027 | if (hcon->role == HCI_ROLE_MASTER) { |
348d50b8 | 5028 | struct hci_conn_params *params; |
f4869e2a | 5029 | u8 store_hint; |
348d50b8 JH |
5030 | |
5031 | hci_dev_lock(hdev); | |
5032 | ||
5033 | params = hci_conn_params_lookup(hdev, &hcon->dst, | |
5034 | hcon->dst_type); | |
5035 | if (params) { | |
5036 | params->conn_min_interval = min; | |
5037 | params->conn_max_interval = max; | |
5038 | params->conn_latency = latency; | |
5039 | params->supervision_timeout = timeout; | |
f4869e2a JH |
5040 | store_hint = 0x01; |
5041 | } else{ | |
5042 | store_hint = 0x00; | |
348d50b8 JH |
5043 | } |
5044 | ||
5045 | hci_dev_unlock(hdev); | |
5046 | ||
f4869e2a JH |
5047 | mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type, |
5048 | store_hint, min, max, latency, timeout); | |
348d50b8 | 5049 | } |
ffb5a827 | 5050 | |
8e75b46a AG |
5051 | cp.handle = ev->handle; |
5052 | cp.interval_min = ev->interval_min; | |
5053 | cp.interval_max = ev->interval_max; | |
5054 | cp.latency = ev->latency; | |
5055 | cp.timeout = ev->timeout; | |
5056 | cp.min_ce_len = 0; | |
5057 | cp.max_ce_len = 0; | |
5058 | ||
5059 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp); | |
5060 | } | |
5061 | ||
2f010b55 MH |
5062 | static void hci_le_direct_adv_report_evt(struct hci_dev *hdev, |
5063 | struct sk_buff *skb) | |
5064 | { | |
5065 | u8 num_reports = skb->data[0]; | |
5066 | void *ptr = &skb->data[1]; | |
5067 | ||
5068 | hci_dev_lock(hdev); | |
5069 | ||
5070 | while (num_reports--) { | |
5071 | struct hci_ev_le_direct_adv_info *ev = ptr; | |
5072 | ||
5073 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, | |
5074 | ev->bdaddr_type, &ev->direct_addr, | |
5075 | ev->direct_addr_type, ev->rssi, NULL, 0); | |
5076 | ||
5077 | ptr += sizeof(*ev); | |
5078 | } | |
5079 | ||
5080 | hci_dev_unlock(hdev); | |
5081 | } | |
5082 | ||
6039aa73 | 5083 | static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
5084 | { |
5085 | struct hci_ev_le_meta *le_ev = (void *) skb->data; | |
5086 | ||
5087 | skb_pull(skb, sizeof(*le_ev)); | |
5088 | ||
5089 | switch (le_ev->subevent) { | |
5090 | case HCI_EV_LE_CONN_COMPLETE: | |
5091 | hci_le_conn_complete_evt(hdev, skb); | |
5092 | break; | |
5093 | ||
1855d92d MH |
5094 | case HCI_EV_LE_CONN_UPDATE_COMPLETE: |
5095 | hci_le_conn_update_complete_evt(hdev, skb); | |
5096 | break; | |
5097 | ||
9aa04c91 AG |
5098 | case HCI_EV_LE_ADVERTISING_REPORT: |
5099 | hci_le_adv_report_evt(hdev, skb); | |
5100 | break; | |
5101 | ||
0fe29fd1 MH |
5102 | case HCI_EV_LE_REMOTE_FEAT_COMPLETE: |
5103 | hci_le_remote_feat_complete_evt(hdev, skb); | |
5104 | break; | |
5105 | ||
a7a595f6 VCG |
5106 | case HCI_EV_LE_LTK_REQ: |
5107 | hci_le_ltk_request_evt(hdev, skb); | |
5108 | break; | |
5109 | ||
8e75b46a AG |
5110 | case HCI_EV_LE_REMOTE_CONN_PARAM_REQ: |
5111 | hci_le_remote_conn_param_req_evt(hdev, skb); | |
5112 | break; | |
5113 | ||
2f010b55 MH |
5114 | case HCI_EV_LE_DIRECT_ADV_REPORT: |
5115 | hci_le_direct_adv_report_evt(hdev, skb); | |
5116 | break; | |
5117 | ||
fcd89c09 VT |
5118 | default: |
5119 | break; | |
5120 | } | |
5121 | } | |
5122 | ||
757aa0b5 JH |
5123 | static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode, |
5124 | u8 event, struct sk_buff *skb) | |
5125 | { | |
5126 | struct hci_ev_cmd_complete *ev; | |
5127 | struct hci_event_hdr *hdr; | |
5128 | ||
5129 | if (!skb) | |
5130 | return false; | |
5131 | ||
5132 | if (skb->len < sizeof(*hdr)) { | |
5133 | BT_ERR("Too short HCI event"); | |
5134 | return false; | |
5135 | } | |
5136 | ||
5137 | hdr = (void *) skb->data; | |
5138 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5139 | ||
5140 | if (event) { | |
5141 | if (hdr->evt != event) | |
5142 | return false; | |
5143 | return true; | |
5144 | } | |
5145 | ||
5146 | if (hdr->evt != HCI_EV_CMD_COMPLETE) { | |
5147 | BT_DBG("Last event is not cmd complete (0x%2.2x)", hdr->evt); | |
5148 | return false; | |
5149 | } | |
5150 | ||
5151 | if (skb->len < sizeof(*ev)) { | |
5152 | BT_ERR("Too short cmd_complete event"); | |
5153 | return false; | |
5154 | } | |
5155 | ||
5156 | ev = (void *) skb->data; | |
5157 | skb_pull(skb, sizeof(*ev)); | |
5158 | ||
5159 | if (opcode != __le16_to_cpu(ev->opcode)) { | |
5160 | BT_DBG("opcode doesn't match (0x%2.2x != 0x%2.2x)", opcode, | |
5161 | __le16_to_cpu(ev->opcode)); | |
5162 | return false; | |
5163 | } | |
5164 | ||
5165 | return true; | |
5166 | } | |
5167 | ||
a9de9248 MH |
5168 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
5169 | { | |
5170 | struct hci_event_hdr *hdr = (void *) skb->data; | |
e6214487 JH |
5171 | hci_req_complete_t req_complete = NULL; |
5172 | hci_req_complete_skb_t req_complete_skb = NULL; | |
5173 | struct sk_buff *orig_skb = NULL; | |
757aa0b5 | 5174 | u8 status = 0, event = hdr->evt, req_evt = 0; |
e6214487 | 5175 | u16 opcode = HCI_OP_NOP; |
a9de9248 | 5176 | |
db6e3e8d | 5177 | if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) { |
c1f23a2b | 5178 | struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; |
e6214487 JH |
5179 | opcode = __le16_to_cpu(cmd_hdr->opcode); |
5180 | hci_req_cmd_complete(hdev, opcode, status, &req_complete, | |
5181 | &req_complete_skb); | |
757aa0b5 | 5182 | req_evt = event; |
02350a72 JH |
5183 | } |
5184 | ||
e6214487 JH |
5185 | /* If it looks like we might end up having to call |
5186 | * req_complete_skb, store a pristine copy of the skb since the | |
5187 | * various handlers may modify the original one through | |
5188 | * skb_pull() calls, etc. | |
5189 | */ | |
5190 | if (req_complete_skb || event == HCI_EV_CMD_STATUS || | |
5191 | event == HCI_EV_CMD_COMPLETE) | |
5192 | orig_skb = skb_clone(skb, GFP_KERNEL); | |
5193 | ||
5194 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5195 | ||
a9de9248 | 5196 | switch (event) { |
1da177e4 LT |
5197 | case HCI_EV_INQUIRY_COMPLETE: |
5198 | hci_inquiry_complete_evt(hdev, skb); | |
5199 | break; | |
5200 | ||
5201 | case HCI_EV_INQUIRY_RESULT: | |
5202 | hci_inquiry_result_evt(hdev, skb); | |
5203 | break; | |
5204 | ||
a9de9248 MH |
5205 | case HCI_EV_CONN_COMPLETE: |
5206 | hci_conn_complete_evt(hdev, skb); | |
21d9e30e MH |
5207 | break; |
5208 | ||
1da177e4 LT |
5209 | case HCI_EV_CONN_REQUEST: |
5210 | hci_conn_request_evt(hdev, skb); | |
5211 | break; | |
5212 | ||
1da177e4 LT |
5213 | case HCI_EV_DISCONN_COMPLETE: |
5214 | hci_disconn_complete_evt(hdev, skb); | |
5215 | break; | |
5216 | ||
1da177e4 LT |
5217 | case HCI_EV_AUTH_COMPLETE: |
5218 | hci_auth_complete_evt(hdev, skb); | |
5219 | break; | |
5220 | ||
a9de9248 MH |
5221 | case HCI_EV_REMOTE_NAME: |
5222 | hci_remote_name_evt(hdev, skb); | |
5223 | break; | |
5224 | ||
1da177e4 LT |
5225 | case HCI_EV_ENCRYPT_CHANGE: |
5226 | hci_encrypt_change_evt(hdev, skb); | |
5227 | break; | |
5228 | ||
a9de9248 MH |
5229 | case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
5230 | hci_change_link_key_complete_evt(hdev, skb); | |
5231 | break; | |
5232 | ||
5233 | case HCI_EV_REMOTE_FEATURES: | |
5234 | hci_remote_features_evt(hdev, skb); | |
5235 | break; | |
5236 | ||
a9de9248 | 5237 | case HCI_EV_CMD_COMPLETE: |
e6214487 JH |
5238 | hci_cmd_complete_evt(hdev, skb, &opcode, &status, |
5239 | &req_complete, &req_complete_skb); | |
a9de9248 MH |
5240 | break; |
5241 | ||
5242 | case HCI_EV_CMD_STATUS: | |
e6214487 JH |
5243 | hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete, |
5244 | &req_complete_skb); | |
a9de9248 MH |
5245 | break; |
5246 | ||
24dfa343 MH |
5247 | case HCI_EV_HARDWARE_ERROR: |
5248 | hci_hardware_error_evt(hdev, skb); | |
5249 | break; | |
5250 | ||
a9de9248 MH |
5251 | case HCI_EV_ROLE_CHANGE: |
5252 | hci_role_change_evt(hdev, skb); | |
5253 | break; | |
5254 | ||
5255 | case HCI_EV_NUM_COMP_PKTS: | |
5256 | hci_num_comp_pkts_evt(hdev, skb); | |
5257 | break; | |
5258 | ||
5259 | case HCI_EV_MODE_CHANGE: | |
5260 | hci_mode_change_evt(hdev, skb); | |
1da177e4 LT |
5261 | break; |
5262 | ||
5263 | case HCI_EV_PIN_CODE_REQ: | |
5264 | hci_pin_code_request_evt(hdev, skb); | |
5265 | break; | |
5266 | ||
5267 | case HCI_EV_LINK_KEY_REQ: | |
5268 | hci_link_key_request_evt(hdev, skb); | |
5269 | break; | |
5270 | ||
5271 | case HCI_EV_LINK_KEY_NOTIFY: | |
5272 | hci_link_key_notify_evt(hdev, skb); | |
5273 | break; | |
5274 | ||
5275 | case HCI_EV_CLOCK_OFFSET: | |
5276 | hci_clock_offset_evt(hdev, skb); | |
5277 | break; | |
5278 | ||
a8746417 MH |
5279 | case HCI_EV_PKT_TYPE_CHANGE: |
5280 | hci_pkt_type_change_evt(hdev, skb); | |
5281 | break; | |
5282 | ||
85a1e930 MH |
5283 | case HCI_EV_PSCAN_REP_MODE: |
5284 | hci_pscan_rep_mode_evt(hdev, skb); | |
5285 | break; | |
5286 | ||
a9de9248 MH |
5287 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
5288 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
04837f64 MH |
5289 | break; |
5290 | ||
a9de9248 MH |
5291 | case HCI_EV_REMOTE_EXT_FEATURES: |
5292 | hci_remote_ext_features_evt(hdev, skb); | |
1da177e4 LT |
5293 | break; |
5294 | ||
a9de9248 MH |
5295 | case HCI_EV_SYNC_CONN_COMPLETE: |
5296 | hci_sync_conn_complete_evt(hdev, skb); | |
5297 | break; | |
1da177e4 | 5298 | |
a9de9248 MH |
5299 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
5300 | hci_extended_inquiry_result_evt(hdev, skb); | |
5301 | break; | |
1da177e4 | 5302 | |
1c2e0041 JH |
5303 | case HCI_EV_KEY_REFRESH_COMPLETE: |
5304 | hci_key_refresh_complete_evt(hdev, skb); | |
5305 | break; | |
5306 | ||
0493684e MH |
5307 | case HCI_EV_IO_CAPA_REQUEST: |
5308 | hci_io_capa_request_evt(hdev, skb); | |
5309 | break; | |
5310 | ||
03b555e1 JH |
5311 | case HCI_EV_IO_CAPA_REPLY: |
5312 | hci_io_capa_reply_evt(hdev, skb); | |
5313 | break; | |
5314 | ||
a5c29683 JH |
5315 | case HCI_EV_USER_CONFIRM_REQUEST: |
5316 | hci_user_confirm_request_evt(hdev, skb); | |
5317 | break; | |
5318 | ||
1143d458 BG |
5319 | case HCI_EV_USER_PASSKEY_REQUEST: |
5320 | hci_user_passkey_request_evt(hdev, skb); | |
5321 | break; | |
5322 | ||
92a25256 JH |
5323 | case HCI_EV_USER_PASSKEY_NOTIFY: |
5324 | hci_user_passkey_notify_evt(hdev, skb); | |
5325 | break; | |
5326 | ||
5327 | case HCI_EV_KEYPRESS_NOTIFY: | |
5328 | hci_keypress_notify_evt(hdev, skb); | |
5329 | break; | |
5330 | ||
0493684e MH |
5331 | case HCI_EV_SIMPLE_PAIR_COMPLETE: |
5332 | hci_simple_pair_complete_evt(hdev, skb); | |
5333 | break; | |
5334 | ||
41a96212 MH |
5335 | case HCI_EV_REMOTE_HOST_FEATURES: |
5336 | hci_remote_host_features_evt(hdev, skb); | |
5337 | break; | |
5338 | ||
fcd89c09 VT |
5339 | case HCI_EV_LE_META: |
5340 | hci_le_meta_evt(hdev, skb); | |
5341 | break; | |
5342 | ||
2763eda6 SJ |
5343 | case HCI_EV_REMOTE_OOB_DATA_REQUEST: |
5344 | hci_remote_oob_data_request_evt(hdev, skb); | |
5345 | break; | |
5346 | ||
a77a6a14 AW |
5347 | #if IS_ENABLED(CONFIG_BT_HS) |
5348 | case HCI_EV_CHANNEL_SELECTED: | |
5349 | hci_chan_selected_evt(hdev, skb); | |
5350 | break; | |
5351 | ||
d5e91192 AE |
5352 | case HCI_EV_PHY_LINK_COMPLETE: |
5353 | hci_phy_link_complete_evt(hdev, skb); | |
5354 | break; | |
5355 | ||
27695fb4 AE |
5356 | case HCI_EV_LOGICAL_LINK_COMPLETE: |
5357 | hci_loglink_complete_evt(hdev, skb); | |
5358 | break; | |
5359 | ||
606e2a10 AE |
5360 | case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: |
5361 | hci_disconn_loglink_complete_evt(hdev, skb); | |
5362 | break; | |
5363 | ||
9eef6b3a AE |
5364 | case HCI_EV_DISCONN_PHY_LINK_COMPLETE: |
5365 | hci_disconn_phylink_complete_evt(hdev, skb); | |
5366 | break; | |
a77a6a14 | 5367 | #endif |
9eef6b3a | 5368 | |
25e89e99 AE |
5369 | case HCI_EV_NUM_COMP_BLOCKS: |
5370 | hci_num_comp_blocks_evt(hdev, skb); | |
5371 | break; | |
5372 | ||
a9de9248 | 5373 | default: |
9f1db00c | 5374 | BT_DBG("%s event 0x%2.2x", hdev->name, event); |
1da177e4 LT |
5375 | break; |
5376 | } | |
5377 | ||
757aa0b5 | 5378 | if (req_complete) { |
e6214487 | 5379 | req_complete(hdev, status, opcode); |
757aa0b5 JH |
5380 | } else if (req_complete_skb) { |
5381 | if (!hci_get_cmd_complete(hdev, opcode, req_evt, orig_skb)) { | |
5382 | kfree_skb(orig_skb); | |
5383 | orig_skb = NULL; | |
5384 | } | |
e6214487 | 5385 | req_complete_skb(hdev, status, opcode, orig_skb); |
757aa0b5 | 5386 | } |
e6214487 JH |
5387 | |
5388 | kfree_skb(orig_skb); | |
1da177e4 LT |
5389 | kfree_skb(skb); |
5390 | hdev->stat.evt_rx++; | |
5391 | } |