Commit | Line | Data |
---|---|---|
8e87d142 | 1 | /* |
1da177e4 | 2 | BlueZ - Bluetooth protocol stack for Linux |
2d0a0346 | 3 | Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. |
1da177e4 LT |
4 | |
5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
8e87d142 YH |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
1da177e4 LT |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
19 | ||
8e87d142 YH |
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
22 | SOFTWARE IS DISCLAIMED. |
23 | */ | |
24 | ||
25 | /* Bluetooth HCI event handling. */ | |
26 | ||
1da177e4 LT |
27 | #include <asm/unaligned.h> |
28 | ||
29 | #include <net/bluetooth/bluetooth.h> | |
30 | #include <net/bluetooth/hci_core.h> | |
f0d6a0ea | 31 | #include <net/bluetooth/mgmt.h> |
7ef9fbf0 | 32 | |
0857dd3b | 33 | #include "hci_request.h" |
23b9ceb7 | 34 | #include "hci_debugfs.h" |
7024728e | 35 | #include "a2mp.h" |
7ef9fbf0 | 36 | #include "amp.h" |
2ceba539 | 37 | #include "smp.h" |
1da177e4 | 38 | |
aa5b0345 MH |
39 | #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \ |
40 | "\x00\x00\x00\x00\x00\x00\x00\x00" | |
41 | ||
1da177e4 LT |
42 | /* Handle HCI Event packets */ |
43 | ||
a9de9248 | 44 | static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 45 | { |
a9de9248 | 46 | __u8 status = *((__u8 *) skb->data); |
1da177e4 | 47 | |
9f1db00c | 48 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 49 | |
82f4785c | 50 | if (status) |
a9de9248 | 51 | return; |
1da177e4 | 52 | |
89352e7d | 53 | clear_bit(HCI_INQUIRY, &hdev->flags); |
4e857c58 | 54 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e | 55 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
89352e7d | 56 | |
50143a43 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) | |
8e2a0d92 | 826 | goto a2mp_rsp; |
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); | |
838 | ||
8e2a0d92 AE |
839 | a2mp_rsp: |
840 | a2mp_send_getinfo_rsp(hdev); | |
928abaa7 AE |
841 | } |
842 | ||
903e4541 AE |
843 | static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev, |
844 | struct sk_buff *skb) | |
845 | { | |
846 | struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data; | |
847 | struct amp_assoc *assoc = &hdev->loc_assoc; | |
848 | size_t rem_len, frag_len; | |
849 | ||
850 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
851 | ||
852 | if (rp->status) | |
853 | goto a2mp_rsp; | |
854 | ||
855 | frag_len = skb->len - sizeof(*rp); | |
856 | rem_len = __le16_to_cpu(rp->rem_len); | |
857 | ||
858 | if (rem_len > frag_len) { | |
2e430be3 | 859 | BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len); |
903e4541 AE |
860 | |
861 | memcpy(assoc->data + assoc->offset, rp->frag, frag_len); | |
862 | assoc->offset += frag_len; | |
863 | ||
864 | /* Read other fragments */ | |
865 | amp_read_loc_assoc_frag(hdev, rp->phy_handle); | |
866 | ||
867 | return; | |
868 | } | |
869 | ||
870 | memcpy(assoc->data + assoc->offset, rp->frag, rem_len); | |
871 | assoc->len = assoc->offset + rem_len; | |
872 | assoc->offset = 0; | |
873 | ||
874 | a2mp_rsp: | |
875 | /* Send A2MP Rsp when all fragments are received */ | |
876 | a2mp_send_getampassoc_rsp(hdev, rp->status); | |
9495b2ee | 877 | a2mp_send_create_phy_link_req(hdev, rp->status); |
903e4541 AE |
878 | } |
879 | ||
d5859e22 | 880 | static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, |
807deac2 | 881 | struct sk_buff *skb) |
d5859e22 | 882 | { |
91c4e9b1 | 883 | struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; |
d5859e22 | 884 | |
9f1db00c | 885 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
91c4e9b1 | 886 | |
45296acd MH |
887 | if (rp->status) |
888 | return; | |
889 | ||
890 | hdev->inq_tx_power = rp->tx_power; | |
d5859e22 JH |
891 | } |
892 | ||
980e1a53 JH |
893 | static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) |
894 | { | |
895 | struct hci_rp_pin_code_reply *rp = (void *) skb->data; | |
896 | struct hci_cp_pin_code_reply *cp; | |
897 | struct hci_conn *conn; | |
898 | ||
9f1db00c | 899 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 900 | |
56e5cb86 JH |
901 | hci_dev_lock(hdev); |
902 | ||
d7a5a11d | 903 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 904 | mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); |
980e1a53 | 905 | |
fa1bd918 | 906 | if (rp->status) |
56e5cb86 | 907 | goto unlock; |
980e1a53 JH |
908 | |
909 | cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); | |
910 | if (!cp) | |
56e5cb86 | 911 | goto unlock; |
980e1a53 JH |
912 | |
913 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
914 | if (conn) | |
915 | conn->pin_length = cp->pin_len; | |
56e5cb86 JH |
916 | |
917 | unlock: | |
918 | hci_dev_unlock(hdev); | |
980e1a53 JH |
919 | } |
920 | ||
921 | static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) | |
922 | { | |
923 | struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; | |
924 | ||
9f1db00c | 925 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 926 | |
56e5cb86 JH |
927 | hci_dev_lock(hdev); |
928 | ||
d7a5a11d | 929 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 930 | mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, |
807deac2 | 931 | rp->status); |
56e5cb86 JH |
932 | |
933 | hci_dev_unlock(hdev); | |
980e1a53 | 934 | } |
56e5cb86 | 935 | |
6ed58ec5 VT |
936 | static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, |
937 | struct sk_buff *skb) | |
938 | { | |
939 | struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; | |
940 | ||
9f1db00c | 941 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
6ed58ec5 VT |
942 | |
943 | if (rp->status) | |
944 | return; | |
945 | ||
946 | hdev->le_mtu = __le16_to_cpu(rp->le_mtu); | |
947 | hdev->le_pkts = rp->le_max_pkt; | |
948 | ||
949 | hdev->le_cnt = hdev->le_pkts; | |
950 | ||
951 | BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); | |
6ed58ec5 | 952 | } |
980e1a53 | 953 | |
60e77321 JH |
954 | static void hci_cc_le_read_local_features(struct hci_dev *hdev, |
955 | struct sk_buff *skb) | |
956 | { | |
957 | struct hci_rp_le_read_local_features *rp = (void *) skb->data; | |
958 | ||
959 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
960 | ||
45296acd MH |
961 | if (rp->status) |
962 | return; | |
963 | ||
964 | memcpy(hdev->le_features, rp->features, 8); | |
60e77321 JH |
965 | } |
966 | ||
8fa19098 JH |
967 | static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, |
968 | struct sk_buff *skb) | |
969 | { | |
970 | struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; | |
971 | ||
972 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
973 | ||
45296acd MH |
974 | if (rp->status) |
975 | return; | |
976 | ||
977 | hdev->adv_tx_power = rp->tx_power; | |
8fa19098 JH |
978 | } |
979 | ||
a5c29683 JH |
980 | static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) |
981 | { | |
982 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
983 | ||
9f1db00c | 984 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 985 | |
56e5cb86 JH |
986 | hci_dev_lock(hdev); |
987 | ||
d7a5a11d | 988 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
04124681 GP |
989 | mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, |
990 | rp->status); | |
56e5cb86 JH |
991 | |
992 | hci_dev_unlock(hdev); | |
a5c29683 JH |
993 | } |
994 | ||
995 | static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, | |
807deac2 | 996 | struct sk_buff *skb) |
a5c29683 JH |
997 | { |
998 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
999 | ||
9f1db00c | 1000 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 1001 | |
56e5cb86 JH |
1002 | hci_dev_lock(hdev); |
1003 | ||
d7a5a11d | 1004 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 1005 | mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1006 | ACL_LINK, 0, rp->status); |
56e5cb86 JH |
1007 | |
1008 | hci_dev_unlock(hdev); | |
a5c29683 JH |
1009 | } |
1010 | ||
1143d458 BG |
1011 | static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) |
1012 | { | |
1013 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1014 | ||
9f1db00c | 1015 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
1016 | |
1017 | hci_dev_lock(hdev); | |
1018 | ||
d7a5a11d | 1019 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 1020 | mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, |
04124681 | 1021 | 0, rp->status); |
1143d458 BG |
1022 | |
1023 | hci_dev_unlock(hdev); | |
1024 | } | |
1025 | ||
1026 | static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, | |
807deac2 | 1027 | struct sk_buff *skb) |
1143d458 BG |
1028 | { |
1029 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1030 | ||
9f1db00c | 1031 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
1032 | |
1033 | hci_dev_lock(hdev); | |
1034 | ||
d7a5a11d | 1035 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
1143d458 | 1036 | mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1037 | ACL_LINK, 0, rp->status); |
1143d458 BG |
1038 | |
1039 | hci_dev_unlock(hdev); | |
1040 | } | |
1041 | ||
4d2d2796 MH |
1042 | static void hci_cc_read_local_oob_data(struct hci_dev *hdev, |
1043 | struct sk_buff *skb) | |
c35938b2 SJ |
1044 | { |
1045 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; | |
1046 | ||
9f1db00c | 1047 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
4d2d2796 MH |
1048 | } |
1049 | ||
1050 | static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev, | |
1051 | struct sk_buff *skb) | |
1052 | { | |
1053 | struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; | |
1054 | ||
1055 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
c35938b2 SJ |
1056 | } |
1057 | ||
7a4cd51d MH |
1058 | static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb) |
1059 | { | |
1060 | __u8 status = *((__u8 *) skb->data); | |
1061 | bdaddr_t *sent; | |
1062 | ||
1063 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1064 | ||
45296acd MH |
1065 | if (status) |
1066 | return; | |
1067 | ||
7a4cd51d MH |
1068 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR); |
1069 | if (!sent) | |
1070 | return; | |
1071 | ||
1072 | hci_dev_lock(hdev); | |
1073 | ||
45296acd | 1074 | bacpy(&hdev->random_addr, sent); |
7a4cd51d MH |
1075 | |
1076 | hci_dev_unlock(hdev); | |
1077 | } | |
1078 | ||
c1d5dc4a JH |
1079 | static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) |
1080 | { | |
1081 | __u8 *sent, status = *((__u8 *) skb->data); | |
1082 | ||
1083 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1084 | ||
45296acd | 1085 | if (status) |
c1d5dc4a JH |
1086 | return; |
1087 | ||
45296acd MH |
1088 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); |
1089 | if (!sent) | |
3c857757 JH |
1090 | return; |
1091 | ||
c1d5dc4a JH |
1092 | hci_dev_lock(hdev); |
1093 | ||
49c922bb | 1094 | /* If we're doing connection initiation as peripheral. Set a |
3c857757 JH |
1095 | * timeout in case something goes wrong. |
1096 | */ | |
1097 | if (*sent) { | |
1098 | struct hci_conn *conn; | |
1099 | ||
a1536da2 | 1100 | hci_dev_set_flag(hdev, HCI_LE_ADV); |
66c417c1 | 1101 | |
3c857757 JH |
1102 | conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); |
1103 | if (conn) | |
1104 | queue_delayed_work(hdev->workqueue, | |
1105 | &conn->le_conn_timeout, | |
09ae260b | 1106 | conn->conn_timeout); |
66c417c1 | 1107 | } else { |
a358dc11 | 1108 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
3c857757 JH |
1109 | } |
1110 | ||
04b4edcb | 1111 | hci_dev_unlock(hdev); |
c1d5dc4a JH |
1112 | } |
1113 | ||
533553f8 MH |
1114 | static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) |
1115 | { | |
1116 | struct hci_cp_le_set_scan_param *cp; | |
1117 | __u8 status = *((__u8 *) skb->data); | |
1118 | ||
1119 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1120 | ||
45296acd MH |
1121 | if (status) |
1122 | return; | |
1123 | ||
533553f8 MH |
1124 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM); |
1125 | if (!cp) | |
1126 | return; | |
1127 | ||
1128 | hci_dev_lock(hdev); | |
1129 | ||
45296acd | 1130 | hdev->le_scan_type = cp->type; |
533553f8 MH |
1131 | |
1132 | hci_dev_unlock(hdev); | |
1133 | } | |
1134 | ||
b9a6328f JH |
1135 | static bool has_pending_adv_report(struct hci_dev *hdev) |
1136 | { | |
1137 | struct discovery_state *d = &hdev->discovery; | |
1138 | ||
1139 | return bacmp(&d->last_adv_addr, BDADDR_ANY); | |
1140 | } | |
1141 | ||
1142 | static void clear_pending_adv_report(struct hci_dev *hdev) | |
1143 | { | |
1144 | struct discovery_state *d = &hdev->discovery; | |
1145 | ||
1146 | bacpy(&d->last_adv_addr, BDADDR_ANY); | |
1147 | d->last_adv_data_len = 0; | |
1148 | } | |
1149 | ||
1150 | static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c70a7e4c MH |
1151 | u8 bdaddr_type, s8 rssi, u32 flags, |
1152 | u8 *data, u8 len) | |
b9a6328f JH |
1153 | { |
1154 | struct discovery_state *d = &hdev->discovery; | |
1155 | ||
1156 | bacpy(&d->last_adv_addr, bdaddr); | |
1157 | d->last_adv_addr_type = bdaddr_type; | |
ff5cd29f | 1158 | d->last_adv_rssi = rssi; |
c70a7e4c | 1159 | d->last_adv_flags = flags; |
b9a6328f JH |
1160 | memcpy(d->last_adv_data, data, len); |
1161 | d->last_adv_data_len = len; | |
1162 | } | |
1163 | ||
eb9d91f5 | 1164 | static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, |
807deac2 | 1165 | struct sk_buff *skb) |
eb9d91f5 AG |
1166 | { |
1167 | struct hci_cp_le_set_scan_enable *cp; | |
1168 | __u8 status = *((__u8 *) skb->data); | |
1169 | ||
9f1db00c | 1170 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
eb9d91f5 | 1171 | |
45296acd | 1172 | if (status) |
eb9d91f5 AG |
1173 | return; |
1174 | ||
45296acd MH |
1175 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); |
1176 | if (!cp) | |
3fd319b8 AG |
1177 | return; |
1178 | ||
5c1a4c8f JK |
1179 | hci_dev_lock(hdev); |
1180 | ||
68a8aea4 | 1181 | switch (cp->enable) { |
76a388be | 1182 | case LE_SCAN_ENABLE: |
a1536da2 | 1183 | hci_dev_set_flag(hdev, HCI_LE_SCAN); |
b9a6328f JH |
1184 | if (hdev->le_scan_type == LE_SCAN_ACTIVE) |
1185 | clear_pending_adv_report(hdev); | |
68a8aea4 AE |
1186 | break; |
1187 | ||
76a388be | 1188 | case LE_SCAN_DISABLE: |
b9a6328f JH |
1189 | /* We do this here instead of when setting DISCOVERY_STOPPED |
1190 | * since the latter would potentially require waiting for | |
1191 | * inquiry to stop too. | |
1192 | */ | |
1193 | if (has_pending_adv_report(hdev)) { | |
1194 | struct discovery_state *d = &hdev->discovery; | |
1195 | ||
1196 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ab0aa433 | 1197 | d->last_adv_addr_type, NULL, |
c70a7e4c | 1198 | d->last_adv_rssi, d->last_adv_flags, |
ab0aa433 | 1199 | d->last_adv_data, |
b9a6328f JH |
1200 | d->last_adv_data_len, NULL, 0); |
1201 | } | |
1202 | ||
317ac8cb JH |
1203 | /* Cancel this timer so that we don't try to disable scanning |
1204 | * when it's already disabled. | |
1205 | */ | |
1206 | cancel_delayed_work(&hdev->le_scan_disable); | |
1207 | ||
a358dc11 | 1208 | hci_dev_clear_flag(hdev, HCI_LE_SCAN); |
e8bb6b97 | 1209 | |
81ad6fd9 JH |
1210 | /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we |
1211 | * interrupted scanning due to a connect request. Mark | |
e8bb6b97 JH |
1212 | * therefore discovery as stopped. If this was not |
1213 | * because of a connect request advertising might have | |
1214 | * been disabled because of active scanning, so | |
1215 | * re-enable it again if necessary. | |
81ad6fd9 | 1216 | */ |
a69d8927 | 1217 | if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED)) |
81ad6fd9 | 1218 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
d7a5a11d | 1219 | else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) && |
34722277 | 1220 | hdev->discovery.state == DISCOVERY_FINDING) |
e8bb6b97 JH |
1221 | mgmt_reenable_advertising(hdev); |
1222 | ||
68a8aea4 AE |
1223 | break; |
1224 | ||
1225 | default: | |
1226 | BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable); | |
1227 | break; | |
35815085 | 1228 | } |
5c1a4c8f JK |
1229 | |
1230 | hci_dev_unlock(hdev); | |
eb9d91f5 AG |
1231 | } |
1232 | ||
cf1d081f JH |
1233 | static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, |
1234 | struct sk_buff *skb) | |
1235 | { | |
1236 | struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; | |
1237 | ||
1238 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1239 | ||
45296acd MH |
1240 | if (rp->status) |
1241 | return; | |
1242 | ||
1243 | hdev->le_white_list_size = rp->size; | |
cf1d081f JH |
1244 | } |
1245 | ||
0f36b589 MH |
1246 | static void hci_cc_le_clear_white_list(struct hci_dev *hdev, |
1247 | struct sk_buff *skb) | |
1248 | { | |
1249 | __u8 status = *((__u8 *) skb->data); | |
1250 | ||
1251 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1252 | ||
45296acd MH |
1253 | if (status) |
1254 | return; | |
1255 | ||
dcc36c16 | 1256 | hci_bdaddr_list_clear(&hdev->le_white_list); |
0f36b589 MH |
1257 | } |
1258 | ||
1259 | static void hci_cc_le_add_to_white_list(struct hci_dev *hdev, | |
1260 | struct sk_buff *skb) | |
1261 | { | |
1262 | struct hci_cp_le_add_to_white_list *sent; | |
1263 | __u8 status = *((__u8 *) skb->data); | |
1264 | ||
1265 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1266 | ||
45296acd MH |
1267 | if (status) |
1268 | return; | |
1269 | ||
0f36b589 MH |
1270 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); |
1271 | if (!sent) | |
1272 | return; | |
1273 | ||
dcc36c16 JH |
1274 | hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr, |
1275 | sent->bdaddr_type); | |
0f36b589 MH |
1276 | } |
1277 | ||
1278 | static void hci_cc_le_del_from_white_list(struct hci_dev *hdev, | |
1279 | struct sk_buff *skb) | |
1280 | { | |
1281 | struct hci_cp_le_del_from_white_list *sent; | |
1282 | __u8 status = *((__u8 *) skb->data); | |
1283 | ||
1284 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1285 | ||
45296acd MH |
1286 | if (status) |
1287 | return; | |
1288 | ||
0f36b589 MH |
1289 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); |
1290 | if (!sent) | |
1291 | return; | |
1292 | ||
dcc36c16 JH |
1293 | hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr, |
1294 | sent->bdaddr_type); | |
0f36b589 MH |
1295 | } |
1296 | ||
9b008c04 JH |
1297 | static void hci_cc_le_read_supported_states(struct hci_dev *hdev, |
1298 | struct sk_buff *skb) | |
1299 | { | |
1300 | struct hci_rp_le_read_supported_states *rp = (void *) skb->data; | |
1301 | ||
1302 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1303 | ||
45296acd MH |
1304 | if (rp->status) |
1305 | return; | |
1306 | ||
1307 | memcpy(hdev->le_states, rp->le_states, 8); | |
9b008c04 JH |
1308 | } |
1309 | ||
a8e1bfaa MH |
1310 | static void hci_cc_le_read_def_data_len(struct hci_dev *hdev, |
1311 | struct sk_buff *skb) | |
1312 | { | |
1313 | struct hci_rp_le_read_def_data_len *rp = (void *) skb->data; | |
1314 | ||
1315 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1316 | ||
1317 | if (rp->status) | |
1318 | return; | |
1319 | ||
1320 | hdev->le_def_tx_len = le16_to_cpu(rp->tx_len); | |
1321 | hdev->le_def_tx_time = le16_to_cpu(rp->tx_time); | |
1322 | } | |
1323 | ||
1324 | static void hci_cc_le_write_def_data_len(struct hci_dev *hdev, | |
1325 | struct sk_buff *skb) | |
1326 | { | |
1327 | struct hci_cp_le_write_def_data_len *sent; | |
1328 | __u8 status = *((__u8 *) skb->data); | |
1329 | ||
1330 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1331 | ||
1332 | if (status) | |
1333 | return; | |
1334 | ||
1335 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN); | |
1336 | if (!sent) | |
1337 | return; | |
1338 | ||
1339 | hdev->le_def_tx_len = le16_to_cpu(sent->tx_len); | |
1340 | hdev->le_def_tx_time = le16_to_cpu(sent->tx_time); | |
1341 | } | |
1342 | ||
1343 | static void hci_cc_le_read_max_data_len(struct hci_dev *hdev, | |
1344 | struct sk_buff *skb) | |
1345 | { | |
1346 | struct hci_rp_le_read_max_data_len *rp = (void *) skb->data; | |
1347 | ||
1348 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1349 | ||
1350 | if (rp->status) | |
1351 | return; | |
1352 | ||
1353 | hdev->le_max_tx_len = le16_to_cpu(rp->tx_len); | |
1354 | hdev->le_max_tx_time = le16_to_cpu(rp->tx_time); | |
1355 | hdev->le_max_rx_len = le16_to_cpu(rp->rx_len); | |
1356 | hdev->le_max_rx_time = le16_to_cpu(rp->rx_time); | |
1357 | } | |
1358 | ||
6039aa73 GP |
1359 | static void hci_cc_write_le_host_supported(struct hci_dev *hdev, |
1360 | struct sk_buff *skb) | |
f9b49306 | 1361 | { |
06199cf8 | 1362 | struct hci_cp_write_le_host_supported *sent; |
f9b49306 AG |
1363 | __u8 status = *((__u8 *) skb->data); |
1364 | ||
9f1db00c | 1365 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f9b49306 | 1366 | |
45296acd MH |
1367 | if (status) |
1368 | return; | |
1369 | ||
06199cf8 | 1370 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); |
8f984dfa | 1371 | if (!sent) |
f9b49306 AG |
1372 | return; |
1373 | ||
5c1a4c8f JK |
1374 | hci_dev_lock(hdev); |
1375 | ||
45296acd MH |
1376 | if (sent->le) { |
1377 | hdev->features[1][0] |= LMP_HOST_LE; | |
a1536da2 | 1378 | hci_dev_set_flag(hdev, HCI_LE_ENABLED); |
45296acd MH |
1379 | } else { |
1380 | hdev->features[1][0] &= ~LMP_HOST_LE; | |
a358dc11 MH |
1381 | hci_dev_clear_flag(hdev, HCI_LE_ENABLED); |
1382 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); | |
8f984dfa | 1383 | } |
45296acd MH |
1384 | |
1385 | if (sent->simul) | |
1386 | hdev->features[1][0] |= LMP_HOST_LE_BREDR; | |
1387 | else | |
1388 | hdev->features[1][0] &= ~LMP_HOST_LE_BREDR; | |
5c1a4c8f JK |
1389 | |
1390 | hci_dev_unlock(hdev); | |
f9b49306 AG |
1391 | } |
1392 | ||
56ed2cb8 JH |
1393 | static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1394 | { | |
1395 | struct hci_cp_le_set_adv_param *cp; | |
1396 | u8 status = *((u8 *) skb->data); | |
1397 | ||
1398 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1399 | ||
1400 | if (status) | |
1401 | return; | |
1402 | ||
1403 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM); | |
1404 | if (!cp) | |
1405 | return; | |
1406 | ||
1407 | hci_dev_lock(hdev); | |
1408 | hdev->adv_addr_type = cp->own_address_type; | |
1409 | hci_dev_unlock(hdev); | |
1410 | } | |
1411 | ||
93c284ee AE |
1412 | static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev, |
1413 | struct sk_buff *skb) | |
1414 | { | |
1415 | struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data; | |
1416 | ||
1417 | BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x", | |
1418 | hdev->name, rp->status, rp->phy_handle); | |
1419 | ||
1420 | if (rp->status) | |
1421 | return; | |
1422 | ||
1423 | amp_write_rem_assoc_continue(hdev, rp->phy_handle); | |
1424 | } | |
1425 | ||
5ae76a94 AK |
1426 | static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) |
1427 | { | |
1428 | struct hci_rp_read_rssi *rp = (void *) skb->data; | |
1429 | struct hci_conn *conn; | |
1430 | ||
1431 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1432 | ||
1433 | if (rp->status) | |
1434 | return; | |
1435 | ||
1436 | hci_dev_lock(hdev); | |
1437 | ||
1438 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
1439 | if (conn) | |
1440 | conn->rssi = rp->rssi; | |
1441 | ||
1442 | hci_dev_unlock(hdev); | |
1443 | } | |
1444 | ||
5a134fae AK |
1445 | static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) |
1446 | { | |
1447 | struct hci_cp_read_tx_power *sent; | |
1448 | struct hci_rp_read_tx_power *rp = (void *) skb->data; | |
1449 | struct hci_conn *conn; | |
1450 | ||
1451 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1452 | ||
1453 | if (rp->status) | |
1454 | return; | |
1455 | ||
1456 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
1457 | if (!sent) | |
1458 | return; | |
1459 | ||
1460 | hci_dev_lock(hdev); | |
1461 | ||
1462 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
d0455ed9 AK |
1463 | if (!conn) |
1464 | goto unlock; | |
1465 | ||
1466 | switch (sent->type) { | |
1467 | case 0x00: | |
5a134fae | 1468 | conn->tx_power = rp->tx_power; |
d0455ed9 AK |
1469 | break; |
1470 | case 0x01: | |
1471 | conn->max_tx_power = rp->tx_power; | |
1472 | break; | |
1473 | } | |
5a134fae | 1474 | |
d0455ed9 | 1475 | unlock: |
5a134fae AK |
1476 | hci_dev_unlock(hdev); |
1477 | } | |
1478 | ||
c50b33c8 MH |
1479 | static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1480 | { | |
1481 | u8 status = *((u8 *) skb->data); | |
1482 | u8 *mode; | |
1483 | ||
1484 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1485 | ||
1486 | if (status) | |
1487 | return; | |
1488 | ||
1489 | mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE); | |
1490 | if (mode) | |
1491 | hdev->ssp_debug_mode = *mode; | |
1492 | } | |
1493 | ||
6039aa73 | 1494 | static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
a9de9248 | 1495 | { |
9f1db00c | 1496 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1497 | |
1498 | if (status) { | |
a9de9248 | 1499 | hci_conn_check_pending(hdev); |
314b2381 JH |
1500 | return; |
1501 | } | |
1502 | ||
89352e7d | 1503 | set_bit(HCI_INQUIRY, &hdev->flags); |
1da177e4 LT |
1504 | } |
1505 | ||
6039aa73 | 1506 | static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1507 | { |
a9de9248 | 1508 | struct hci_cp_create_conn *cp; |
1da177e4 | 1509 | struct hci_conn *conn; |
1da177e4 | 1510 | |
9f1db00c | 1511 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1512 | |
1513 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); | |
1da177e4 LT |
1514 | if (!cp) |
1515 | return; | |
1516 | ||
1517 | hci_dev_lock(hdev); | |
1518 | ||
1519 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
1520 | ||
6ed93dc6 | 1521 | BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); |
1da177e4 LT |
1522 | |
1523 | if (status) { | |
1524 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
1525 | if (status != 0x0c || conn->attempt > 2) { |
1526 | conn->state = BT_CLOSED; | |
539c496d | 1527 | hci_connect_cfm(conn, status); |
4c67bc74 MH |
1528 | hci_conn_del(conn); |
1529 | } else | |
1530 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
1531 | } |
1532 | } else { | |
1533 | if (!conn) { | |
a5c4e309 JH |
1534 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr, |
1535 | HCI_ROLE_MASTER); | |
1536 | if (!conn) | |
893ef971 | 1537 | BT_ERR("No memory for new connection"); |
1da177e4 LT |
1538 | } |
1539 | } | |
1540 | ||
1541 | hci_dev_unlock(hdev); | |
1542 | } | |
1543 | ||
a9de9248 | 1544 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1545 | { |
a9de9248 MH |
1546 | struct hci_cp_add_sco *cp; |
1547 | struct hci_conn *acl, *sco; | |
1548 | __u16 handle; | |
1da177e4 | 1549 | |
9f1db00c | 1550 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 | 1551 | |
a9de9248 MH |
1552 | if (!status) |
1553 | return; | |
1da177e4 | 1554 | |
a9de9248 MH |
1555 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
1556 | if (!cp) | |
1557 | return; | |
1da177e4 | 1558 | |
a9de9248 | 1559 | handle = __le16_to_cpu(cp->handle); |
1da177e4 | 1560 | |
9f1db00c | 1561 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
1da177e4 | 1562 | |
a9de9248 | 1563 | hci_dev_lock(hdev); |
1da177e4 | 1564 | |
a9de9248 | 1565 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
5a08ecce AE |
1566 | if (acl) { |
1567 | sco = acl->link; | |
1568 | if (sco) { | |
1569 | sco->state = BT_CLOSED; | |
1da177e4 | 1570 | |
539c496d | 1571 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1572 | hci_conn_del(sco); |
1573 | } | |
a9de9248 | 1574 | } |
1da177e4 | 1575 | |
a9de9248 MH |
1576 | hci_dev_unlock(hdev); |
1577 | } | |
1da177e4 | 1578 | |
f8558555 MH |
1579 | static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) |
1580 | { | |
1581 | struct hci_cp_auth_requested *cp; | |
1582 | struct hci_conn *conn; | |
1583 | ||
9f1db00c | 1584 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1585 | |
1586 | if (!status) | |
1587 | return; | |
1588 | ||
1589 | cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); | |
1590 | if (!cp) | |
1591 | return; | |
1592 | ||
1593 | hci_dev_lock(hdev); | |
1594 | ||
1595 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1596 | if (conn) { | |
1597 | if (conn->state == BT_CONFIG) { | |
539c496d | 1598 | hci_connect_cfm(conn, status); |
76a68ba0 | 1599 | hci_conn_drop(conn); |
f8558555 MH |
1600 | } |
1601 | } | |
1602 | ||
1603 | hci_dev_unlock(hdev); | |
1604 | } | |
1605 | ||
1606 | static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) | |
1607 | { | |
1608 | struct hci_cp_set_conn_encrypt *cp; | |
1609 | struct hci_conn *conn; | |
1610 | ||
9f1db00c | 1611 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1612 | |
1613 | if (!status) | |
1614 | return; | |
1615 | ||
1616 | cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); | |
1617 | if (!cp) | |
1618 | return; | |
1619 | ||
1620 | hci_dev_lock(hdev); | |
1621 | ||
1622 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1623 | if (conn) { | |
1624 | if (conn->state == BT_CONFIG) { | |
539c496d | 1625 | hci_connect_cfm(conn, status); |
76a68ba0 | 1626 | hci_conn_drop(conn); |
f8558555 MH |
1627 | } |
1628 | } | |
1629 | ||
1630 | hci_dev_unlock(hdev); | |
1631 | } | |
1632 | ||
127178d2 | 1633 | static int hci_outgoing_auth_needed(struct hci_dev *hdev, |
807deac2 | 1634 | struct hci_conn *conn) |
392599b9 | 1635 | { |
392599b9 JH |
1636 | if (conn->state != BT_CONFIG || !conn->out) |
1637 | return 0; | |
1638 | ||
765c2a96 | 1639 | if (conn->pending_sec_level == BT_SECURITY_SDP) |
392599b9 JH |
1640 | return 0; |
1641 | ||
1642 | /* Only request authentication for SSP connections or non-SSP | |
264b8b4e JH |
1643 | * devices with sec_level MEDIUM or HIGH or if MITM protection |
1644 | * is requested. | |
1645 | */ | |
807deac2 | 1646 | if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && |
7e3691e1 | 1647 | conn->pending_sec_level != BT_SECURITY_FIPS && |
264b8b4e JH |
1648 | conn->pending_sec_level != BT_SECURITY_HIGH && |
1649 | conn->pending_sec_level != BT_SECURITY_MEDIUM) | |
392599b9 JH |
1650 | return 0; |
1651 | ||
392599b9 JH |
1652 | return 1; |
1653 | } | |
1654 | ||
6039aa73 | 1655 | static int hci_resolve_name(struct hci_dev *hdev, |
04124681 | 1656 | struct inquiry_entry *e) |
30dc78e1 JH |
1657 | { |
1658 | struct hci_cp_remote_name_req cp; | |
1659 | ||
1660 | memset(&cp, 0, sizeof(cp)); | |
1661 | ||
1662 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1663 | cp.pscan_rep_mode = e->data.pscan_rep_mode; | |
1664 | cp.pscan_mode = e->data.pscan_mode; | |
1665 | cp.clock_offset = e->data.clock_offset; | |
1666 | ||
1667 | return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
1668 | } | |
1669 | ||
b644ba33 | 1670 | static bool hci_resolve_next_name(struct hci_dev *hdev) |
30dc78e1 JH |
1671 | { |
1672 | struct discovery_state *discov = &hdev->discovery; | |
1673 | struct inquiry_entry *e; | |
1674 | ||
b644ba33 JH |
1675 | if (list_empty(&discov->resolve)) |
1676 | return false; | |
1677 | ||
1678 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
c810089c RM |
1679 | if (!e) |
1680 | return false; | |
1681 | ||
b644ba33 JH |
1682 | if (hci_resolve_name(hdev, e) == 0) { |
1683 | e->name_state = NAME_PENDING; | |
1684 | return true; | |
1685 | } | |
1686 | ||
1687 | return false; | |
1688 | } | |
1689 | ||
1690 | static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, | |
04124681 | 1691 | bdaddr_t *bdaddr, u8 *name, u8 name_len) |
b644ba33 JH |
1692 | { |
1693 | struct discovery_state *discov = &hdev->discovery; | |
1694 | struct inquiry_entry *e; | |
1695 | ||
60cb49d2 JH |
1696 | /* Update the mgmt connected state if necessary. Be careful with |
1697 | * conn objects that exist but are not (yet) connected however. | |
1698 | * Only those in BT_CONFIG or BT_CONNECTED states can be | |
1699 | * considered connected. | |
1700 | */ | |
1701 | if (conn && | |
1702 | (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) && | |
cb77c3ec | 1703 | !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 1704 | mgmt_device_connected(hdev, conn, 0, name, name_len); |
b644ba33 JH |
1705 | |
1706 | if (discov->state == DISCOVERY_STOPPED) | |
1707 | return; | |
1708 | ||
30dc78e1 JH |
1709 | if (discov->state == DISCOVERY_STOPPING) |
1710 | goto discov_complete; | |
1711 | ||
1712 | if (discov->state != DISCOVERY_RESOLVING) | |
1713 | return; | |
1714 | ||
1715 | e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); | |
7cc8380e RM |
1716 | /* If the device was not found in a list of found devices names of which |
1717 | * are pending. there is no need to continue resolving a next name as it | |
1718 | * will be done upon receiving another Remote Name Request Complete | |
1719 | * Event */ | |
1720 | if (!e) | |
1721 | return; | |
1722 | ||
1723 | list_del(&e->list); | |
1724 | if (name) { | |
30dc78e1 | 1725 | e->name_state = NAME_KNOWN; |
7cc8380e RM |
1726 | mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, |
1727 | e->data.rssi, name, name_len); | |
c3e7c0d9 RM |
1728 | } else { |
1729 | e->name_state = NAME_NOT_KNOWN; | |
30dc78e1 JH |
1730 | } |
1731 | ||
b644ba33 | 1732 | if (hci_resolve_next_name(hdev)) |
30dc78e1 | 1733 | return; |
30dc78e1 JH |
1734 | |
1735 | discov_complete: | |
1736 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
1737 | } | |
1738 | ||
a9de9248 MH |
1739 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
1740 | { | |
127178d2 JH |
1741 | struct hci_cp_remote_name_req *cp; |
1742 | struct hci_conn *conn; | |
1743 | ||
9f1db00c | 1744 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
127178d2 JH |
1745 | |
1746 | /* If successful wait for the name req complete event before | |
1747 | * checking for the need to do authentication */ | |
1748 | if (!status) | |
1749 | return; | |
1750 | ||
1751 | cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); | |
1752 | if (!cp) | |
1753 | return; | |
1754 | ||
1755 | hci_dev_lock(hdev); | |
1756 | ||
b644ba33 JH |
1757 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
1758 | ||
d7a5a11d | 1759 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 1760 | hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); |
30dc78e1 | 1761 | |
79c6c70c JH |
1762 | if (!conn) |
1763 | goto unlock; | |
1764 | ||
1765 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
1766 | goto unlock; | |
1767 | ||
51a8efd7 | 1768 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
c1f23a2b JB |
1769 | struct hci_cp_auth_requested auth_cp; |
1770 | ||
977f8fce JH |
1771 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); |
1772 | ||
c1f23a2b JB |
1773 | auth_cp.handle = __cpu_to_le16(conn->handle); |
1774 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, | |
1775 | sizeof(auth_cp), &auth_cp); | |
127178d2 JH |
1776 | } |
1777 | ||
79c6c70c | 1778 | unlock: |
127178d2 | 1779 | hci_dev_unlock(hdev); |
a9de9248 | 1780 | } |
1da177e4 | 1781 | |
769be974 MH |
1782 | static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) |
1783 | { | |
1784 | struct hci_cp_read_remote_features *cp; | |
1785 | struct hci_conn *conn; | |
1786 | ||
9f1db00c | 1787 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
1788 | |
1789 | if (!status) | |
1790 | return; | |
1791 | ||
1792 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); | |
1793 | if (!cp) | |
1794 | return; | |
1795 | ||
1796 | hci_dev_lock(hdev); | |
1797 | ||
1798 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1799 | if (conn) { | |
1800 | if (conn->state == BT_CONFIG) { | |
539c496d | 1801 | hci_connect_cfm(conn, status); |
76a68ba0 | 1802 | hci_conn_drop(conn); |
769be974 MH |
1803 | } |
1804 | } | |
1805 | ||
1806 | hci_dev_unlock(hdev); | |
1807 | } | |
1808 | ||
1809 | static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) | |
1810 | { | |
1811 | struct hci_cp_read_remote_ext_features *cp; | |
1812 | struct hci_conn *conn; | |
1813 | ||
9f1db00c | 1814 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
1815 | |
1816 | if (!status) | |
1817 | return; | |
1818 | ||
1819 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); | |
1820 | if (!cp) | |
1821 | return; | |
1822 | ||
1823 | hci_dev_lock(hdev); | |
1824 | ||
1825 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1826 | if (conn) { | |
1827 | if (conn->state == BT_CONFIG) { | |
539c496d | 1828 | hci_connect_cfm(conn, status); |
76a68ba0 | 1829 | hci_conn_drop(conn); |
769be974 MH |
1830 | } |
1831 | } | |
1832 | ||
1833 | hci_dev_unlock(hdev); | |
1834 | } | |
1835 | ||
a9de9248 MH |
1836 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
1837 | { | |
b6a0dc82 MH |
1838 | struct hci_cp_setup_sync_conn *cp; |
1839 | struct hci_conn *acl, *sco; | |
1840 | __u16 handle; | |
1841 | ||
9f1db00c | 1842 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 MH |
1843 | |
1844 | if (!status) | |
1845 | return; | |
1846 | ||
1847 | cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); | |
1848 | if (!cp) | |
1849 | return; | |
1850 | ||
1851 | handle = __le16_to_cpu(cp->handle); | |
1852 | ||
9f1db00c | 1853 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
b6a0dc82 MH |
1854 | |
1855 | hci_dev_lock(hdev); | |
1856 | ||
1857 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
5a08ecce AE |
1858 | if (acl) { |
1859 | sco = acl->link; | |
1860 | if (sco) { | |
1861 | sco->state = BT_CLOSED; | |
b6a0dc82 | 1862 | |
539c496d | 1863 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1864 | hci_conn_del(sco); |
1865 | } | |
b6a0dc82 MH |
1866 | } |
1867 | ||
1868 | hci_dev_unlock(hdev); | |
1da177e4 LT |
1869 | } |
1870 | ||
a9de9248 | 1871 | static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1872 | { |
a9de9248 MH |
1873 | struct hci_cp_sniff_mode *cp; |
1874 | struct hci_conn *conn; | |
1da177e4 | 1875 | |
9f1db00c | 1876 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 1877 | |
a9de9248 MH |
1878 | if (!status) |
1879 | return; | |
04837f64 | 1880 | |
a9de9248 MH |
1881 | cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
1882 | if (!cp) | |
1883 | return; | |
04837f64 | 1884 | |
a9de9248 | 1885 | hci_dev_lock(hdev); |
04837f64 | 1886 | |
a9de9248 | 1887 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 1888 | if (conn) { |
51a8efd7 | 1889 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
04837f64 | 1890 | |
51a8efd7 | 1891 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
1892 | hci_sco_setup(conn, status); |
1893 | } | |
1894 | ||
a9de9248 MH |
1895 | hci_dev_unlock(hdev); |
1896 | } | |
04837f64 | 1897 | |
a9de9248 MH |
1898 | static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) |
1899 | { | |
1900 | struct hci_cp_exit_sniff_mode *cp; | |
1901 | struct hci_conn *conn; | |
04837f64 | 1902 | |
9f1db00c | 1903 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 1904 | |
a9de9248 MH |
1905 | if (!status) |
1906 | return; | |
04837f64 | 1907 | |
a9de9248 MH |
1908 | cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
1909 | if (!cp) | |
1910 | return; | |
04837f64 | 1911 | |
a9de9248 | 1912 | hci_dev_lock(hdev); |
1da177e4 | 1913 | |
a9de9248 | 1914 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 1915 | if (conn) { |
51a8efd7 | 1916 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
1da177e4 | 1917 | |
51a8efd7 | 1918 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
1919 | hci_sco_setup(conn, status); |
1920 | } | |
1921 | ||
a9de9248 | 1922 | hci_dev_unlock(hdev); |
1da177e4 LT |
1923 | } |
1924 | ||
88c3df13 JH |
1925 | static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) |
1926 | { | |
1927 | struct hci_cp_disconnect *cp; | |
1928 | struct hci_conn *conn; | |
1929 | ||
1930 | if (!status) | |
1931 | return; | |
1932 | ||
1933 | cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); | |
1934 | if (!cp) | |
1935 | return; | |
1936 | ||
1937 | hci_dev_lock(hdev); | |
1938 | ||
1939 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1940 | if (conn) | |
1941 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
04124681 | 1942 | conn->dst_type, status); |
88c3df13 JH |
1943 | |
1944 | hci_dev_unlock(hdev); | |
1945 | } | |
1946 | ||
a02226d6 AE |
1947 | static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status) |
1948 | { | |
93c284ee AE |
1949 | struct hci_cp_create_phy_link *cp; |
1950 | ||
a02226d6 | 1951 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
93c284ee | 1952 | |
93c284ee AE |
1953 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK); |
1954 | if (!cp) | |
1955 | return; | |
1956 | ||
e58917b9 AE |
1957 | hci_dev_lock(hdev); |
1958 | ||
1959 | if (status) { | |
1960 | struct hci_conn *hcon; | |
1961 | ||
1962 | hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle); | |
1963 | if (hcon) | |
1964 | hci_conn_del(hcon); | |
1965 | } else { | |
1966 | amp_write_remote_assoc(hdev, cp->phy_handle); | |
1967 | } | |
1968 | ||
1969 | hci_dev_unlock(hdev); | |
a02226d6 AE |
1970 | } |
1971 | ||
0b26ab9d AE |
1972 | static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status) |
1973 | { | |
1974 | struct hci_cp_accept_phy_link *cp; | |
1975 | ||
1976 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1977 | ||
1978 | if (status) | |
1979 | return; | |
1980 | ||
1981 | cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK); | |
1982 | if (!cp) | |
1983 | return; | |
1984 | ||
1985 | amp_write_remote_assoc(hdev, cp->phy_handle); | |
1986 | } | |
1987 | ||
cb1d68f7 JH |
1988 | static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status) |
1989 | { | |
1990 | struct hci_cp_le_create_conn *cp; | |
1991 | struct hci_conn *conn; | |
1992 | ||
1993 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1994 | ||
1995 | /* All connection failure handling is taken care of by the | |
1996 | * hci_le_conn_failed function which is triggered by the HCI | |
1997 | * request completion callbacks used for connecting. | |
1998 | */ | |
1999 | if (status) | |
2000 | return; | |
2001 | ||
2002 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); | |
2003 | if (!cp) | |
2004 | return; | |
2005 | ||
2006 | hci_dev_lock(hdev); | |
2007 | ||
2008 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr); | |
2009 | if (!conn) | |
2010 | goto unlock; | |
2011 | ||
2012 | /* Store the initiator and responder address information which | |
2013 | * is needed for SMP. These values will not change during the | |
2014 | * lifetime of the connection. | |
2015 | */ | |
2016 | conn->init_addr_type = cp->own_address_type; | |
2017 | if (cp->own_address_type == ADDR_LE_DEV_RANDOM) | |
2018 | bacpy(&conn->init_addr, &hdev->random_addr); | |
2019 | else | |
2020 | bacpy(&conn->init_addr, &hdev->bdaddr); | |
2021 | ||
2022 | conn->resp_addr_type = cp->peer_addr_type; | |
2023 | bacpy(&conn->resp_addr, &cp->peer_addr); | |
2024 | ||
9489eca4 JH |
2025 | /* We don't want the connection attempt to stick around |
2026 | * indefinitely since LE doesn't have a page timeout concept | |
2027 | * like BR/EDR. Set a timer for any connection that doesn't use | |
2028 | * the white list for connecting. | |
2029 | */ | |
2030 | if (cp->filter_policy == HCI_LE_USE_PEER_ADDR) | |
2031 | queue_delayed_work(conn->hdev->workqueue, | |
2032 | &conn->le_conn_timeout, | |
09ae260b | 2033 | conn->conn_timeout); |
9489eca4 | 2034 | |
cb1d68f7 JH |
2035 | unlock: |
2036 | hci_dev_unlock(hdev); | |
2037 | } | |
2038 | ||
0fe29fd1 MH |
2039 | static void hci_cs_le_read_remote_features(struct hci_dev *hdev, u8 status) |
2040 | { | |
2041 | struct hci_cp_le_read_remote_features *cp; | |
2042 | struct hci_conn *conn; | |
2043 | ||
2044 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2045 | ||
2046 | if (!status) | |
2047 | return; | |
2048 | ||
2049 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_READ_REMOTE_FEATURES); | |
2050 | if (!cp) | |
2051 | return; | |
2052 | ||
2053 | hci_dev_lock(hdev); | |
2054 | ||
2055 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2056 | if (conn) { | |
2057 | if (conn->state == BT_CONFIG) { | |
2058 | hci_connect_cfm(conn, status); | |
2059 | hci_conn_drop(conn); | |
2060 | } | |
2061 | } | |
2062 | ||
2063 | hci_dev_unlock(hdev); | |
2064 | } | |
2065 | ||
81d0c8ad JH |
2066 | static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) |
2067 | { | |
2068 | struct hci_cp_le_start_enc *cp; | |
2069 | struct hci_conn *conn; | |
2070 | ||
2071 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2072 | ||
2073 | if (!status) | |
2074 | return; | |
2075 | ||
2076 | hci_dev_lock(hdev); | |
2077 | ||
2078 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); | |
2079 | if (!cp) | |
2080 | goto unlock; | |
2081 | ||
2082 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2083 | if (!conn) | |
2084 | goto unlock; | |
2085 | ||
2086 | if (conn->state != BT_CONNECTED) | |
2087 | goto unlock; | |
2088 | ||
2089 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
2090 | hci_conn_drop(conn); | |
2091 | ||
2092 | unlock: | |
2093 | hci_dev_unlock(hdev); | |
2094 | } | |
2095 | ||
50fc85f1 KP |
2096 | static void hci_cs_switch_role(struct hci_dev *hdev, u8 status) |
2097 | { | |
2098 | struct hci_cp_switch_role *cp; | |
2099 | struct hci_conn *conn; | |
2100 | ||
2101 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2102 | ||
2103 | if (!status) | |
2104 | return; | |
2105 | ||
2106 | cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE); | |
2107 | if (!cp) | |
2108 | return; | |
2109 | ||
2110 | hci_dev_lock(hdev); | |
2111 | ||
2112 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
2113 | if (conn) | |
2114 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); | |
2115 | ||
2116 | hci_dev_unlock(hdev); | |
2117 | } | |
2118 | ||
6039aa73 | 2119 | static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 LT |
2120 | { |
2121 | __u8 status = *((__u8 *) skb->data); | |
30dc78e1 JH |
2122 | struct discovery_state *discov = &hdev->discovery; |
2123 | struct inquiry_entry *e; | |
1da177e4 | 2124 | |
9f1db00c | 2125 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 2126 | |
a9de9248 | 2127 | hci_conn_check_pending(hdev); |
89352e7d AG |
2128 | |
2129 | if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) | |
2130 | return; | |
2131 | ||
4e857c58 | 2132 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e AG |
2133 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
2134 | ||
d7a5a11d | 2135 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
30dc78e1 JH |
2136 | return; |
2137 | ||
56e5cb86 | 2138 | hci_dev_lock(hdev); |
30dc78e1 | 2139 | |
343f935b | 2140 | if (discov->state != DISCOVERY_FINDING) |
30dc78e1 JH |
2141 | goto unlock; |
2142 | ||
2143 | if (list_empty(&discov->resolve)) { | |
07d2334a JP |
2144 | /* When BR/EDR inquiry is active and no LE scanning is in |
2145 | * progress, then change discovery state to indicate completion. | |
2146 | * | |
2147 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2148 | * and the LE scan already finished, then change the discovery | |
2149 | * state to indicate completion. | |
2150 | */ | |
2151 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2152 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2153 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2154 | goto unlock; |
2155 | } | |
2156 | ||
2157 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
2158 | if (e && hci_resolve_name(hdev, e) == 0) { | |
2159 | e->name_state = NAME_PENDING; | |
2160 | hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); | |
2161 | } else { | |
07d2334a JP |
2162 | /* When BR/EDR inquiry is active and no LE scanning is in |
2163 | * progress, then change discovery state to indicate completion. | |
2164 | * | |
2165 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2166 | * and the LE scan already finished, then change the discovery | |
2167 | * state to indicate completion. | |
2168 | */ | |
2169 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2170 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2171 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2172 | } |
2173 | ||
2174 | unlock: | |
56e5cb86 | 2175 | hci_dev_unlock(hdev); |
1da177e4 LT |
2176 | } |
2177 | ||
6039aa73 | 2178 | static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2179 | { |
45bb4bf0 | 2180 | struct inquiry_data data; |
a9de9248 | 2181 | struct inquiry_info *info = (void *) (skb->data + 1); |
1da177e4 LT |
2182 | int num_rsp = *((__u8 *) skb->data); |
2183 | ||
2184 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
2185 | ||
45bb4bf0 MH |
2186 | if (!num_rsp) |
2187 | return; | |
2188 | ||
d7a5a11d | 2189 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
2190 | return; |
2191 | ||
1da177e4 | 2192 | hci_dev_lock(hdev); |
45bb4bf0 | 2193 | |
e17acd40 | 2194 | for (; num_rsp; num_rsp--, info++) { |
af58925c | 2195 | u32 flags; |
3175405b | 2196 | |
1da177e4 LT |
2197 | bacpy(&data.bdaddr, &info->bdaddr); |
2198 | data.pscan_rep_mode = info->pscan_rep_mode; | |
2199 | data.pscan_period_mode = info->pscan_period_mode; | |
2200 | data.pscan_mode = info->pscan_mode; | |
2201 | memcpy(data.dev_class, info->dev_class, 3); | |
2202 | data.clock_offset = info->clock_offset; | |
efb2513f | 2203 | data.rssi = HCI_RSSI_INVALID; |
41a96212 | 2204 | data.ssp_mode = 0x00; |
3175405b | 2205 | |
af58925c MH |
2206 | flags = hci_inquiry_cache_update(hdev, &data, false); |
2207 | ||
48264f06 | 2208 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
efb2513f MH |
2209 | info->dev_class, HCI_RSSI_INVALID, |
2210 | flags, NULL, 0, NULL, 0); | |
1da177e4 | 2211 | } |
45bb4bf0 | 2212 | |
1da177e4 LT |
2213 | hci_dev_unlock(hdev); |
2214 | } | |
2215 | ||
6039aa73 | 2216 | static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2217 | { |
a9de9248 MH |
2218 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
2219 | struct hci_conn *conn; | |
1da177e4 LT |
2220 | |
2221 | BT_DBG("%s", hdev->name); | |
2222 | ||
2223 | hci_dev_lock(hdev); | |
2224 | ||
2225 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9499237a MH |
2226 | if (!conn) { |
2227 | if (ev->link_type != SCO_LINK) | |
2228 | goto unlock; | |
2229 | ||
2230 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); | |
2231 | if (!conn) | |
2232 | goto unlock; | |
2233 | ||
2234 | conn->type = SCO_LINK; | |
2235 | } | |
1da177e4 LT |
2236 | |
2237 | if (!ev->status) { | |
2238 | conn->handle = __le16_to_cpu(ev->handle); | |
769be974 MH |
2239 | |
2240 | if (conn->type == ACL_LINK) { | |
2241 | conn->state = BT_CONFIG; | |
2242 | hci_conn_hold(conn); | |
a9ea3ed9 SJ |
2243 | |
2244 | if (!conn->out && !hci_conn_ssp_enabled(conn) && | |
2245 | !hci_find_link_key(hdev, &ev->bdaddr)) | |
2246 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
2247 | else | |
2248 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
769be974 MH |
2249 | } else |
2250 | conn->state = BT_CONNECTED; | |
1da177e4 | 2251 | |
23b9ceb7 | 2252 | hci_debugfs_create_conn(conn); |
7d0db0a3 MH |
2253 | hci_conn_add_sysfs(conn); |
2254 | ||
1da177e4 | 2255 | if (test_bit(HCI_AUTH, &hdev->flags)) |
4dae2798 | 2256 | set_bit(HCI_CONN_AUTH, &conn->flags); |
1da177e4 LT |
2257 | |
2258 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
4dae2798 | 2259 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
1da177e4 | 2260 | |
04837f64 MH |
2261 | /* Get remote features */ |
2262 | if (conn->type == ACL_LINK) { | |
2263 | struct hci_cp_read_remote_features cp; | |
2264 | cp.handle = ev->handle; | |
769be974 | 2265 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
04124681 | 2266 | sizeof(cp), &cp); |
22f433dc | 2267 | |
1d2dc5b7 | 2268 | hci_update_page_scan(hdev); |
04837f64 MH |
2269 | } |
2270 | ||
1da177e4 | 2271 | /* Set packet type for incoming connection */ |
d095c1eb | 2272 | if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { |
1da177e4 LT |
2273 | struct hci_cp_change_conn_ptype cp; |
2274 | cp.handle = ev->handle; | |
a8746417 | 2275 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
04124681 GP |
2276 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), |
2277 | &cp); | |
1da177e4 | 2278 | } |
17d5c04c | 2279 | } else { |
1da177e4 | 2280 | conn->state = BT_CLOSED; |
17d5c04c | 2281 | if (conn->type == ACL_LINK) |
64c7b77c | 2282 | mgmt_connect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2283 | conn->dst_type, ev->status); |
17d5c04c | 2284 | } |
1da177e4 | 2285 | |
e73439d8 MH |
2286 | if (conn->type == ACL_LINK) |
2287 | hci_sco_setup(conn, ev->status); | |
1da177e4 | 2288 | |
769be974 | 2289 | if (ev->status) { |
539c496d | 2290 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2291 | hci_conn_del(conn); |
c89b6e6b | 2292 | } else if (ev->link_type != ACL_LINK) |
539c496d | 2293 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2294 | |
a9de9248 | 2295 | unlock: |
1da177e4 | 2296 | hci_dev_unlock(hdev); |
1da177e4 | 2297 | |
a9de9248 | 2298 | hci_conn_check_pending(hdev); |
1da177e4 LT |
2299 | } |
2300 | ||
70c46425 JH |
2301 | static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr) |
2302 | { | |
2303 | struct hci_cp_reject_conn_req cp; | |
2304 | ||
2305 | bacpy(&cp.bdaddr, bdaddr); | |
2306 | cp.reason = HCI_ERROR_REJ_BAD_ADDR; | |
2307 | hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); | |
2308 | } | |
2309 | ||
6039aa73 | 2310 | static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2311 | { |
a9de9248 MH |
2312 | struct hci_ev_conn_request *ev = (void *) skb->data; |
2313 | int mask = hdev->link_mode; | |
70c46425 JH |
2314 | struct inquiry_entry *ie; |
2315 | struct hci_conn *conn; | |
20714bfe | 2316 | __u8 flags = 0; |
1da177e4 | 2317 | |
6ed93dc6 | 2318 | BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, |
807deac2 | 2319 | ev->link_type); |
1da177e4 | 2320 | |
20714bfe FD |
2321 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, |
2322 | &flags); | |
1da177e4 | 2323 | |
70c46425 JH |
2324 | if (!(mask & HCI_LM_ACCEPT)) { |
2325 | hci_reject_conn(hdev, &ev->bdaddr); | |
2326 | return; | |
2327 | } | |
2328 | ||
46c4c941 JH |
2329 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr, |
2330 | BDADDR_BREDR)) { | |
2331 | hci_reject_conn(hdev, &ev->bdaddr); | |
2332 | return; | |
2333 | } | |
2334 | ||
6a8fc95c JH |
2335 | /* Require HCI_CONNECTABLE or a whitelist entry to accept the |
2336 | * connection. These features are only touched through mgmt so | |
2337 | * only do the checks if HCI_MGMT is set. | |
2338 | */ | |
d7a5a11d MH |
2339 | if (hci_dev_test_flag(hdev, HCI_MGMT) && |
2340 | !hci_dev_test_flag(hdev, HCI_CONNECTABLE) && | |
46c4c941 JH |
2341 | !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr, |
2342 | BDADDR_BREDR)) { | |
2343 | hci_reject_conn(hdev, &ev->bdaddr); | |
2344 | return; | |
70c46425 | 2345 | } |
1da177e4 | 2346 | |
70c46425 | 2347 | /* Connection accepted */ |
b6a0dc82 | 2348 | |
70c46425 JH |
2349 | hci_dev_lock(hdev); |
2350 | ||
2351 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); | |
2352 | if (ie) | |
2353 | memcpy(ie->data.dev_class, ev->dev_class, 3); | |
c7bdd502 | 2354 | |
70c46425 JH |
2355 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, |
2356 | &ev->bdaddr); | |
2357 | if (!conn) { | |
a5c4e309 JH |
2358 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
2359 | HCI_ROLE_SLAVE); | |
a9de9248 | 2360 | if (!conn) { |
70c46425 JH |
2361 | BT_ERR("No memory for new connection"); |
2362 | hci_dev_unlock(hdev); | |
2363 | return; | |
1da177e4 | 2364 | } |
70c46425 | 2365 | } |
b6a0dc82 | 2366 | |
70c46425 | 2367 | memcpy(conn->dev_class, ev->dev_class, 3); |
b6a0dc82 | 2368 | |
70c46425 | 2369 | hci_dev_unlock(hdev); |
1da177e4 | 2370 | |
70c46425 JH |
2371 | if (ev->link_type == ACL_LINK || |
2372 | (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { | |
2373 | struct hci_cp_accept_conn_req cp; | |
2374 | conn->state = BT_CONNECT; | |
1da177e4 | 2375 | |
70c46425 | 2376 | bacpy(&cp.bdaddr, &ev->bdaddr); |
b6a0dc82 | 2377 | |
70c46425 JH |
2378 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) |
2379 | cp.role = 0x00; /* Become master */ | |
2380 | else | |
2381 | cp.role = 0x01; /* Remain slave */ | |
b6a0dc82 | 2382 | |
70c46425 JH |
2383 | hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); |
2384 | } else if (!(flags & HCI_PROTO_DEFER)) { | |
2385 | struct hci_cp_accept_sync_conn_req cp; | |
2386 | conn->state = BT_CONNECT; | |
b6a0dc82 | 2387 | |
70c46425 JH |
2388 | bacpy(&cp.bdaddr, &ev->bdaddr); |
2389 | cp.pkt_type = cpu_to_le16(conn->pkt_type); | |
b6a0dc82 | 2390 | |
70c46425 JH |
2391 | cp.tx_bandwidth = cpu_to_le32(0x00001f40); |
2392 | cp.rx_bandwidth = cpu_to_le32(0x00001f40); | |
2393 | cp.max_latency = cpu_to_le16(0xffff); | |
2394 | cp.content_format = cpu_to_le16(hdev->voice_setting); | |
2395 | cp.retrans_effort = 0xff; | |
1da177e4 | 2396 | |
70c46425 JH |
2397 | hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp), |
2398 | &cp); | |
a9de9248 | 2399 | } else { |
70c46425 | 2400 | conn->state = BT_CONNECT2; |
539c496d | 2401 | hci_connect_cfm(conn, 0); |
1da177e4 | 2402 | } |
1da177e4 LT |
2403 | } |
2404 | ||
f0d6a0ea MA |
2405 | static u8 hci_to_mgmt_reason(u8 err) |
2406 | { | |
2407 | switch (err) { | |
2408 | case HCI_ERROR_CONNECTION_TIMEOUT: | |
2409 | return MGMT_DEV_DISCONN_TIMEOUT; | |
2410 | case HCI_ERROR_REMOTE_USER_TERM: | |
2411 | case HCI_ERROR_REMOTE_LOW_RESOURCES: | |
2412 | case HCI_ERROR_REMOTE_POWER_OFF: | |
2413 | return MGMT_DEV_DISCONN_REMOTE; | |
2414 | case HCI_ERROR_LOCAL_HOST_TERM: | |
2415 | return MGMT_DEV_DISCONN_LOCAL_HOST; | |
2416 | default: | |
2417 | return MGMT_DEV_DISCONN_UNKNOWN; | |
2418 | } | |
2419 | } | |
2420 | ||
6039aa73 | 2421 | static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 2422 | { |
a9de9248 | 2423 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
abf54a50 | 2424 | u8 reason = hci_to_mgmt_reason(ev->reason); |
9fcb18ef | 2425 | struct hci_conn_params *params; |
04837f64 | 2426 | struct hci_conn *conn; |
12d4a3b2 | 2427 | bool mgmt_connected; |
3846220b | 2428 | u8 type; |
04837f64 | 2429 | |
9f1db00c | 2430 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
2431 | |
2432 | hci_dev_lock(hdev); | |
2433 | ||
2434 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
f7520543 JH |
2435 | if (!conn) |
2436 | goto unlock; | |
7d0db0a3 | 2437 | |
abf54a50 AG |
2438 | if (ev->status) { |
2439 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
2440 | conn->dst_type, ev->status); | |
2441 | goto unlock; | |
37d9ef76 | 2442 | } |
f7520543 | 2443 | |
3846220b AG |
2444 | conn->state = BT_CLOSED; |
2445 | ||
12d4a3b2 JH |
2446 | mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); |
2447 | mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, | |
2448 | reason, mgmt_connected); | |
abf54a50 | 2449 | |
22f433dc JH |
2450 | if (conn->type == ACL_LINK) { |
2451 | if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) | |
2452 | hci_remove_link_key(hdev, &conn->dst); | |
2453 | ||
1d2dc5b7 | 2454 | hci_update_page_scan(hdev); |
22f433dc | 2455 | } |
2210246c | 2456 | |
9fcb18ef AG |
2457 | params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); |
2458 | if (params) { | |
2459 | switch (params->auto_connect) { | |
2460 | case HCI_AUTO_CONN_LINK_LOSS: | |
2461 | if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT) | |
2462 | break; | |
2463 | /* Fall through */ | |
2464 | ||
4b9e7e75 | 2465 | case HCI_AUTO_CONN_DIRECT: |
9fcb18ef | 2466 | case HCI_AUTO_CONN_ALWAYS: |
418025d1 JH |
2467 | list_del_init(¶ms->action); |
2468 | list_add(¶ms->action, &hdev->pend_le_conns); | |
2469 | hci_update_background_scan(hdev); | |
9fcb18ef AG |
2470 | break; |
2471 | ||
2472 | default: | |
2473 | break; | |
2474 | } | |
2475 | } | |
2476 | ||
3846220b | 2477 | type = conn->type; |
2210246c | 2478 | |
3a6d576b | 2479 | hci_disconn_cfm(conn, ev->reason); |
3846220b AG |
2480 | hci_conn_del(conn); |
2481 | ||
2482 | /* Re-enable advertising if necessary, since it might | |
2483 | * have been disabled by the connection. From the | |
2484 | * HCI_LE_Set_Advertise_Enable command description in | |
2485 | * the core specification (v4.0): | |
2486 | * "The Controller shall continue advertising until the Host | |
2487 | * issues an LE_Set_Advertise_Enable command with | |
2488 | * Advertising_Enable set to 0x00 (Advertising is disabled) | |
2489 | * or until a connection is created or until the Advertising | |
2490 | * is timed out due to Directed Advertising." | |
2491 | */ | |
2492 | if (type == LE_LINK) | |
2493 | mgmt_reenable_advertising(hdev); | |
f7520543 JH |
2494 | |
2495 | unlock: | |
04837f64 MH |
2496 | hci_dev_unlock(hdev); |
2497 | } | |
2498 | ||
6039aa73 | 2499 | static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2500 | { |
a9de9248 | 2501 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
04837f64 | 2502 | struct hci_conn *conn; |
1da177e4 | 2503 | |
9f1db00c | 2504 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2505 | |
2506 | hci_dev_lock(hdev); | |
2507 | ||
04837f64 | 2508 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
d7556e20 WR |
2509 | if (!conn) |
2510 | goto unlock; | |
2511 | ||
2512 | if (!ev->status) { | |
aa64a8b5 | 2513 | if (!hci_conn_ssp_enabled(conn) && |
807deac2 | 2514 | test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { |
d7556e20 | 2515 | BT_INFO("re-auth of legacy device is not possible."); |
2a611692 | 2516 | } else { |
4dae2798 | 2517 | set_bit(HCI_CONN_AUTH, &conn->flags); |
d7556e20 | 2518 | conn->sec_level = conn->pending_sec_level; |
2a611692 | 2519 | } |
d7556e20 | 2520 | } else { |
e1e930f5 | 2521 | mgmt_auth_failed(conn, ev->status); |
d7556e20 | 2522 | } |
1da177e4 | 2523 | |
51a8efd7 JH |
2524 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
2525 | clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); | |
1da177e4 | 2526 | |
d7556e20 | 2527 | if (conn->state == BT_CONFIG) { |
aa64a8b5 | 2528 | if (!ev->status && hci_conn_ssp_enabled(conn)) { |
d7556e20 WR |
2529 | struct hci_cp_set_conn_encrypt cp; |
2530 | cp.handle = ev->handle; | |
2531 | cp.encrypt = 0x01; | |
2532 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2533 | &cp); |
052b30b0 | 2534 | } else { |
d7556e20 | 2535 | conn->state = BT_CONNECTED; |
539c496d | 2536 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2537 | hci_conn_drop(conn); |
052b30b0 | 2538 | } |
d7556e20 WR |
2539 | } else { |
2540 | hci_auth_cfm(conn, ev->status); | |
052b30b0 | 2541 | |
d7556e20 WR |
2542 | hci_conn_hold(conn); |
2543 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 2544 | hci_conn_drop(conn); |
d7556e20 WR |
2545 | } |
2546 | ||
51a8efd7 | 2547 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { |
d7556e20 WR |
2548 | if (!ev->status) { |
2549 | struct hci_cp_set_conn_encrypt cp; | |
2550 | cp.handle = ev->handle; | |
2551 | cp.encrypt = 0x01; | |
2552 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2553 | &cp); |
d7556e20 | 2554 | } else { |
51a8efd7 | 2555 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
d7556e20 | 2556 | hci_encrypt_cfm(conn, ev->status, 0x00); |
1da177e4 LT |
2557 | } |
2558 | } | |
2559 | ||
d7556e20 | 2560 | unlock: |
1da177e4 LT |
2561 | hci_dev_unlock(hdev); |
2562 | } | |
2563 | ||
6039aa73 | 2564 | static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2565 | { |
127178d2 JH |
2566 | struct hci_ev_remote_name *ev = (void *) skb->data; |
2567 | struct hci_conn *conn; | |
2568 | ||
a9de9248 | 2569 | BT_DBG("%s", hdev->name); |
1da177e4 | 2570 | |
a9de9248 | 2571 | hci_conn_check_pending(hdev); |
127178d2 JH |
2572 | |
2573 | hci_dev_lock(hdev); | |
2574 | ||
b644ba33 | 2575 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
30dc78e1 | 2576 | |
d7a5a11d | 2577 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 2578 | goto check_auth; |
a88a9652 | 2579 | |
b644ba33 JH |
2580 | if (ev->status == 0) |
2581 | hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, | |
04124681 | 2582 | strnlen(ev->name, HCI_MAX_NAME_LENGTH)); |
b644ba33 JH |
2583 | else |
2584 | hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); | |
2585 | ||
2586 | check_auth: | |
79c6c70c JH |
2587 | if (!conn) |
2588 | goto unlock; | |
2589 | ||
2590 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2591 | goto unlock; | |
2592 | ||
51a8efd7 | 2593 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
127178d2 | 2594 | struct hci_cp_auth_requested cp; |
977f8fce JH |
2595 | |
2596 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); | |
2597 | ||
127178d2 JH |
2598 | cp.handle = __cpu_to_le16(conn->handle); |
2599 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); | |
2600 | } | |
2601 | ||
79c6c70c | 2602 | unlock: |
127178d2 | 2603 | hci_dev_unlock(hdev); |
a9de9248 MH |
2604 | } |
2605 | ||
6039aa73 | 2606 | static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
2607 | { |
2608 | struct hci_ev_encrypt_change *ev = (void *) skb->data; | |
2609 | struct hci_conn *conn; | |
2610 | ||
9f1db00c | 2611 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2612 | |
2613 | hci_dev_lock(hdev); | |
2614 | ||
04837f64 | 2615 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
dc8357cc MH |
2616 | if (!conn) |
2617 | goto unlock; | |
1da177e4 | 2618 | |
dc8357cc MH |
2619 | if (!ev->status) { |
2620 | if (ev->encrypt) { | |
2621 | /* Encryption implies authentication */ | |
4dae2798 JH |
2622 | set_bit(HCI_CONN_AUTH, &conn->flags); |
2623 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); | |
dc8357cc | 2624 | conn->sec_level = conn->pending_sec_level; |
abf76bad | 2625 | |
914a6ffe MH |
2626 | /* P-256 authentication key implies FIPS */ |
2627 | if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) | |
4dae2798 | 2628 | set_bit(HCI_CONN_FIPS, &conn->flags); |
914a6ffe | 2629 | |
abf76bad MH |
2630 | if ((conn->type == ACL_LINK && ev->encrypt == 0x02) || |
2631 | conn->type == LE_LINK) | |
2632 | set_bit(HCI_CONN_AES_CCM, &conn->flags); | |
2633 | } else { | |
4dae2798 | 2634 | clear_bit(HCI_CONN_ENCRYPT, &conn->flags); |
abf76bad MH |
2635 | clear_bit(HCI_CONN_AES_CCM, &conn->flags); |
2636 | } | |
dc8357cc | 2637 | } |
a7d7723a | 2638 | |
7ed3fa20 JH |
2639 | /* We should disregard the current RPA and generate a new one |
2640 | * whenever the encryption procedure fails. | |
2641 | */ | |
2642 | if (ev->status && conn->type == LE_LINK) | |
a1536da2 | 2643 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
7ed3fa20 | 2644 | |
dc8357cc | 2645 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
f8558555 | 2646 | |
dc8357cc MH |
2647 | if (ev->status && conn->state == BT_CONNECTED) { |
2648 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
2649 | hci_conn_drop(conn); | |
2650 | goto unlock; | |
1da177e4 LT |
2651 | } |
2652 | ||
dc8357cc MH |
2653 | if (conn->state == BT_CONFIG) { |
2654 | if (!ev->status) | |
2655 | conn->state = BT_CONNECTED; | |
2656 | ||
40b552aa MH |
2657 | /* In Secure Connections Only mode, do not allow any |
2658 | * connections that are not encrypted with AES-CCM | |
2659 | * using a P-256 authenticated combination key. | |
2660 | */ | |
d7a5a11d | 2661 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY) && |
40b552aa MH |
2662 | (!test_bit(HCI_CONN_AES_CCM, &conn->flags) || |
2663 | conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) { | |
539c496d | 2664 | hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE); |
40b552aa MH |
2665 | hci_conn_drop(conn); |
2666 | goto unlock; | |
2667 | } | |
2668 | ||
539c496d | 2669 | hci_connect_cfm(conn, ev->status); |
dc8357cc MH |
2670 | hci_conn_drop(conn); |
2671 | } else | |
2672 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
2673 | ||
a7d7723a | 2674 | unlock: |
1da177e4 LT |
2675 | hci_dev_unlock(hdev); |
2676 | } | |
2677 | ||
6039aa73 GP |
2678 | static void hci_change_link_key_complete_evt(struct hci_dev *hdev, |
2679 | struct sk_buff *skb) | |
1da177e4 | 2680 | { |
a9de9248 | 2681 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
04837f64 | 2682 | struct hci_conn *conn; |
1da177e4 | 2683 | |
9f1db00c | 2684 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2685 | |
2686 | hci_dev_lock(hdev); | |
2687 | ||
04837f64 | 2688 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
2689 | if (conn) { |
2690 | if (!ev->status) | |
4dae2798 | 2691 | set_bit(HCI_CONN_SECURE, &conn->flags); |
1da177e4 | 2692 | |
51a8efd7 | 2693 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
1da177e4 LT |
2694 | |
2695 | hci_key_change_cfm(conn, ev->status); | |
2696 | } | |
2697 | ||
2698 | hci_dev_unlock(hdev); | |
2699 | } | |
2700 | ||
6039aa73 GP |
2701 | static void hci_remote_features_evt(struct hci_dev *hdev, |
2702 | struct sk_buff *skb) | |
1da177e4 | 2703 | { |
a9de9248 MH |
2704 | struct hci_ev_remote_features *ev = (void *) skb->data; |
2705 | struct hci_conn *conn; | |
2706 | ||
9f1db00c | 2707 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 | 2708 | |
a9de9248 MH |
2709 | hci_dev_lock(hdev); |
2710 | ||
2711 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
2712 | if (!conn) |
2713 | goto unlock; | |
769be974 | 2714 | |
ccd556fe | 2715 | if (!ev->status) |
cad718ed | 2716 | memcpy(conn->features[0], ev->features, 8); |
ccd556fe JH |
2717 | |
2718 | if (conn->state != BT_CONFIG) | |
2719 | goto unlock; | |
2720 | ||
ac363cf9 SJ |
2721 | if (!ev->status && lmp_ext_feat_capable(hdev) && |
2722 | lmp_ext_feat_capable(conn)) { | |
ccd556fe JH |
2723 | struct hci_cp_read_remote_ext_features cp; |
2724 | cp.handle = ev->handle; | |
2725 | cp.page = 0x01; | |
2726 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, | |
807deac2 | 2727 | sizeof(cp), &cp); |
392599b9 JH |
2728 | goto unlock; |
2729 | } | |
2730 | ||
671267bf | 2731 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
2732 | struct hci_cp_remote_name_req cp; |
2733 | memset(&cp, 0, sizeof(cp)); | |
2734 | bacpy(&cp.bdaddr, &conn->dst); | |
2735 | cp.pscan_rep_mode = 0x02; | |
2736 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 2737 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 2738 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 2739 | |
127178d2 | 2740 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 2741 | conn->state = BT_CONNECTED; |
539c496d | 2742 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2743 | hci_conn_drop(conn); |
769be974 | 2744 | } |
a9de9248 | 2745 | |
ccd556fe | 2746 | unlock: |
a9de9248 | 2747 | hci_dev_unlock(hdev); |
1da177e4 LT |
2748 | } |
2749 | ||
e6214487 JH |
2750 | static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, |
2751 | u16 *opcode, u8 *status, | |
2752 | hci_req_complete_t *req_complete, | |
2753 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
2754 | { |
2755 | struct hci_ev_cmd_complete *ev = (void *) skb->data; | |
a9de9248 | 2756 | |
e6214487 JH |
2757 | *opcode = __le16_to_cpu(ev->opcode); |
2758 | *status = skb->data[sizeof(*ev)]; | |
a9de9248 | 2759 | |
e6214487 | 2760 | skb_pull(skb, sizeof(*ev)); |
a9de9248 | 2761 | |
e6214487 | 2762 | switch (*opcode) { |
a9de9248 MH |
2763 | case HCI_OP_INQUIRY_CANCEL: |
2764 | hci_cc_inquiry_cancel(hdev, skb); | |
2765 | break; | |
2766 | ||
4d93483b AG |
2767 | case HCI_OP_PERIODIC_INQ: |
2768 | hci_cc_periodic_inq(hdev, skb); | |
2769 | break; | |
2770 | ||
a9de9248 MH |
2771 | case HCI_OP_EXIT_PERIODIC_INQ: |
2772 | hci_cc_exit_periodic_inq(hdev, skb); | |
2773 | break; | |
2774 | ||
2775 | case HCI_OP_REMOTE_NAME_REQ_CANCEL: | |
2776 | hci_cc_remote_name_req_cancel(hdev, skb); | |
2777 | break; | |
2778 | ||
2779 | case HCI_OP_ROLE_DISCOVERY: | |
2780 | hci_cc_role_discovery(hdev, skb); | |
2781 | break; | |
2782 | ||
e4e8e37c MH |
2783 | case HCI_OP_READ_LINK_POLICY: |
2784 | hci_cc_read_link_policy(hdev, skb); | |
2785 | break; | |
2786 | ||
a9de9248 MH |
2787 | case HCI_OP_WRITE_LINK_POLICY: |
2788 | hci_cc_write_link_policy(hdev, skb); | |
2789 | break; | |
2790 | ||
e4e8e37c MH |
2791 | case HCI_OP_READ_DEF_LINK_POLICY: |
2792 | hci_cc_read_def_link_policy(hdev, skb); | |
2793 | break; | |
2794 | ||
2795 | case HCI_OP_WRITE_DEF_LINK_POLICY: | |
2796 | hci_cc_write_def_link_policy(hdev, skb); | |
2797 | break; | |
2798 | ||
a9de9248 MH |
2799 | case HCI_OP_RESET: |
2800 | hci_cc_reset(hdev, skb); | |
2801 | break; | |
2802 | ||
c2f0f979 MH |
2803 | case HCI_OP_READ_STORED_LINK_KEY: |
2804 | hci_cc_read_stored_link_key(hdev, skb); | |
2805 | break; | |
2806 | ||
a9366120 MH |
2807 | case HCI_OP_DELETE_STORED_LINK_KEY: |
2808 | hci_cc_delete_stored_link_key(hdev, skb); | |
2809 | break; | |
2810 | ||
a9de9248 MH |
2811 | case HCI_OP_WRITE_LOCAL_NAME: |
2812 | hci_cc_write_local_name(hdev, skb); | |
2813 | break; | |
2814 | ||
2815 | case HCI_OP_READ_LOCAL_NAME: | |
2816 | hci_cc_read_local_name(hdev, skb); | |
2817 | break; | |
2818 | ||
2819 | case HCI_OP_WRITE_AUTH_ENABLE: | |
2820 | hci_cc_write_auth_enable(hdev, skb); | |
2821 | break; | |
2822 | ||
2823 | case HCI_OP_WRITE_ENCRYPT_MODE: | |
2824 | hci_cc_write_encrypt_mode(hdev, skb); | |
2825 | break; | |
2826 | ||
2827 | case HCI_OP_WRITE_SCAN_ENABLE: | |
2828 | hci_cc_write_scan_enable(hdev, skb); | |
2829 | break; | |
2830 | ||
2831 | case HCI_OP_READ_CLASS_OF_DEV: | |
2832 | hci_cc_read_class_of_dev(hdev, skb); | |
2833 | break; | |
2834 | ||
2835 | case HCI_OP_WRITE_CLASS_OF_DEV: | |
2836 | hci_cc_write_class_of_dev(hdev, skb); | |
2837 | break; | |
2838 | ||
2839 | case HCI_OP_READ_VOICE_SETTING: | |
2840 | hci_cc_read_voice_setting(hdev, skb); | |
2841 | break; | |
2842 | ||
2843 | case HCI_OP_WRITE_VOICE_SETTING: | |
2844 | hci_cc_write_voice_setting(hdev, skb); | |
2845 | break; | |
2846 | ||
b4cb9fb2 MH |
2847 | case HCI_OP_READ_NUM_SUPPORTED_IAC: |
2848 | hci_cc_read_num_supported_iac(hdev, skb); | |
2849 | break; | |
2850 | ||
333140b5 MH |
2851 | case HCI_OP_WRITE_SSP_MODE: |
2852 | hci_cc_write_ssp_mode(hdev, skb); | |
2853 | break; | |
2854 | ||
eac83dc6 MH |
2855 | case HCI_OP_WRITE_SC_SUPPORT: |
2856 | hci_cc_write_sc_support(hdev, skb); | |
2857 | break; | |
2858 | ||
a9de9248 MH |
2859 | case HCI_OP_READ_LOCAL_VERSION: |
2860 | hci_cc_read_local_version(hdev, skb); | |
2861 | break; | |
2862 | ||
2863 | case HCI_OP_READ_LOCAL_COMMANDS: | |
2864 | hci_cc_read_local_commands(hdev, skb); | |
2865 | break; | |
2866 | ||
2867 | case HCI_OP_READ_LOCAL_FEATURES: | |
2868 | hci_cc_read_local_features(hdev, skb); | |
2869 | break; | |
2870 | ||
971e3a4b AG |
2871 | case HCI_OP_READ_LOCAL_EXT_FEATURES: |
2872 | hci_cc_read_local_ext_features(hdev, skb); | |
2873 | break; | |
2874 | ||
a9de9248 MH |
2875 | case HCI_OP_READ_BUFFER_SIZE: |
2876 | hci_cc_read_buffer_size(hdev, skb); | |
2877 | break; | |
2878 | ||
2879 | case HCI_OP_READ_BD_ADDR: | |
2880 | hci_cc_read_bd_addr(hdev, skb); | |
2881 | break; | |
2882 | ||
f332ec66 JH |
2883 | case HCI_OP_READ_PAGE_SCAN_ACTIVITY: |
2884 | hci_cc_read_page_scan_activity(hdev, skb); | |
2885 | break; | |
2886 | ||
4a3ee763 JH |
2887 | case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: |
2888 | hci_cc_write_page_scan_activity(hdev, skb); | |
2889 | break; | |
2890 | ||
f332ec66 JH |
2891 | case HCI_OP_READ_PAGE_SCAN_TYPE: |
2892 | hci_cc_read_page_scan_type(hdev, skb); | |
2893 | break; | |
2894 | ||
4a3ee763 JH |
2895 | case HCI_OP_WRITE_PAGE_SCAN_TYPE: |
2896 | hci_cc_write_page_scan_type(hdev, skb); | |
2897 | break; | |
2898 | ||
350ee4cf AE |
2899 | case HCI_OP_READ_DATA_BLOCK_SIZE: |
2900 | hci_cc_read_data_block_size(hdev, skb); | |
2901 | break; | |
2902 | ||
1e89cffb AE |
2903 | case HCI_OP_READ_FLOW_CONTROL_MODE: |
2904 | hci_cc_read_flow_control_mode(hdev, skb); | |
2905 | break; | |
2906 | ||
928abaa7 AE |
2907 | case HCI_OP_READ_LOCAL_AMP_INFO: |
2908 | hci_cc_read_local_amp_info(hdev, skb); | |
2909 | break; | |
2910 | ||
33f35721 JH |
2911 | case HCI_OP_READ_CLOCK: |
2912 | hci_cc_read_clock(hdev, skb); | |
2913 | break; | |
2914 | ||
903e4541 AE |
2915 | case HCI_OP_READ_LOCAL_AMP_ASSOC: |
2916 | hci_cc_read_local_amp_assoc(hdev, skb); | |
2917 | break; | |
2918 | ||
d5859e22 JH |
2919 | case HCI_OP_READ_INQ_RSP_TX_POWER: |
2920 | hci_cc_read_inq_rsp_tx_power(hdev, skb); | |
2921 | break; | |
2922 | ||
980e1a53 JH |
2923 | case HCI_OP_PIN_CODE_REPLY: |
2924 | hci_cc_pin_code_reply(hdev, skb); | |
2925 | break; | |
2926 | ||
2927 | case HCI_OP_PIN_CODE_NEG_REPLY: | |
2928 | hci_cc_pin_code_neg_reply(hdev, skb); | |
2929 | break; | |
2930 | ||
c35938b2 | 2931 | case HCI_OP_READ_LOCAL_OOB_DATA: |
4d2d2796 MH |
2932 | hci_cc_read_local_oob_data(hdev, skb); |
2933 | break; | |
2934 | ||
2935 | case HCI_OP_READ_LOCAL_OOB_EXT_DATA: | |
2936 | hci_cc_read_local_oob_ext_data(hdev, skb); | |
c35938b2 SJ |
2937 | break; |
2938 | ||
6ed58ec5 VT |
2939 | case HCI_OP_LE_READ_BUFFER_SIZE: |
2940 | hci_cc_le_read_buffer_size(hdev, skb); | |
2941 | break; | |
2942 | ||
60e77321 JH |
2943 | case HCI_OP_LE_READ_LOCAL_FEATURES: |
2944 | hci_cc_le_read_local_features(hdev, skb); | |
2945 | break; | |
2946 | ||
8fa19098 JH |
2947 | case HCI_OP_LE_READ_ADV_TX_POWER: |
2948 | hci_cc_le_read_adv_tx_power(hdev, skb); | |
2949 | break; | |
2950 | ||
a5c29683 JH |
2951 | case HCI_OP_USER_CONFIRM_REPLY: |
2952 | hci_cc_user_confirm_reply(hdev, skb); | |
2953 | break; | |
2954 | ||
2955 | case HCI_OP_USER_CONFIRM_NEG_REPLY: | |
2956 | hci_cc_user_confirm_neg_reply(hdev, skb); | |
2957 | break; | |
2958 | ||
1143d458 BG |
2959 | case HCI_OP_USER_PASSKEY_REPLY: |
2960 | hci_cc_user_passkey_reply(hdev, skb); | |
2961 | break; | |
2962 | ||
2963 | case HCI_OP_USER_PASSKEY_NEG_REPLY: | |
2964 | hci_cc_user_passkey_neg_reply(hdev, skb); | |
16cde993 | 2965 | break; |
07f7fa5d | 2966 | |
7a4cd51d MH |
2967 | case HCI_OP_LE_SET_RANDOM_ADDR: |
2968 | hci_cc_le_set_random_addr(hdev, skb); | |
2969 | break; | |
2970 | ||
c1d5dc4a JH |
2971 | case HCI_OP_LE_SET_ADV_ENABLE: |
2972 | hci_cc_le_set_adv_enable(hdev, skb); | |
2973 | break; | |
2974 | ||
533553f8 MH |
2975 | case HCI_OP_LE_SET_SCAN_PARAM: |
2976 | hci_cc_le_set_scan_param(hdev, skb); | |
2977 | break; | |
2978 | ||
eb9d91f5 AG |
2979 | case HCI_OP_LE_SET_SCAN_ENABLE: |
2980 | hci_cc_le_set_scan_enable(hdev, skb); | |
2981 | break; | |
2982 | ||
cf1d081f JH |
2983 | case HCI_OP_LE_READ_WHITE_LIST_SIZE: |
2984 | hci_cc_le_read_white_list_size(hdev, skb); | |
2985 | break; | |
2986 | ||
0f36b589 MH |
2987 | case HCI_OP_LE_CLEAR_WHITE_LIST: |
2988 | hci_cc_le_clear_white_list(hdev, skb); | |
2989 | break; | |
2990 | ||
2991 | case HCI_OP_LE_ADD_TO_WHITE_LIST: | |
2992 | hci_cc_le_add_to_white_list(hdev, skb); | |
2993 | break; | |
2994 | ||
2995 | case HCI_OP_LE_DEL_FROM_WHITE_LIST: | |
2996 | hci_cc_le_del_from_white_list(hdev, skb); | |
2997 | break; | |
2998 | ||
9b008c04 JH |
2999 | case HCI_OP_LE_READ_SUPPORTED_STATES: |
3000 | hci_cc_le_read_supported_states(hdev, skb); | |
3001 | break; | |
3002 | ||
a8e1bfaa MH |
3003 | case HCI_OP_LE_READ_DEF_DATA_LEN: |
3004 | hci_cc_le_read_def_data_len(hdev, skb); | |
3005 | break; | |
3006 | ||
3007 | case HCI_OP_LE_WRITE_DEF_DATA_LEN: | |
3008 | hci_cc_le_write_def_data_len(hdev, skb); | |
3009 | break; | |
3010 | ||
3011 | case HCI_OP_LE_READ_MAX_DATA_LEN: | |
3012 | hci_cc_le_read_max_data_len(hdev, skb); | |
3013 | break; | |
3014 | ||
f9b49306 AG |
3015 | case HCI_OP_WRITE_LE_HOST_SUPPORTED: |
3016 | hci_cc_write_le_host_supported(hdev, skb); | |
3017 | break; | |
3018 | ||
56ed2cb8 JH |
3019 | case HCI_OP_LE_SET_ADV_PARAM: |
3020 | hci_cc_set_adv_param(hdev, skb); | |
3021 | break; | |
3022 | ||
93c284ee AE |
3023 | case HCI_OP_WRITE_REMOTE_AMP_ASSOC: |
3024 | hci_cc_write_remote_amp_assoc(hdev, skb); | |
3025 | break; | |
3026 | ||
5ae76a94 AK |
3027 | case HCI_OP_READ_RSSI: |
3028 | hci_cc_read_rssi(hdev, skb); | |
3029 | break; | |
3030 | ||
5a134fae AK |
3031 | case HCI_OP_READ_TX_POWER: |
3032 | hci_cc_read_tx_power(hdev, skb); | |
3033 | break; | |
3034 | ||
c50b33c8 MH |
3035 | case HCI_OP_WRITE_SSP_DEBUG_MODE: |
3036 | hci_cc_write_ssp_debug_mode(hdev, skb); | |
3037 | break; | |
3038 | ||
a9de9248 | 3039 | default: |
e6214487 | 3040 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3041 | break; |
3042 | } | |
3043 | ||
e6214487 | 3044 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3045 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3046 | |
600b2150 JH |
3047 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3048 | atomic_set(&hdev->cmd_cnt, 1); | |
3049 | ||
e6214487 JH |
3050 | hci_req_cmd_complete(hdev, *opcode, *status, req_complete, |
3051 | req_complete_skb); | |
9238f36a | 3052 | |
600b2150 JH |
3053 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3054 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3055 | } |
3056 | ||
e6214487 JH |
3057 | static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3058 | u16 *opcode, u8 *status, | |
3059 | hci_req_complete_t *req_complete, | |
3060 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3061 | { |
3062 | struct hci_ev_cmd_status *ev = (void *) skb->data; | |
a9de9248 MH |
3063 | |
3064 | skb_pull(skb, sizeof(*ev)); | |
3065 | ||
e6214487 JH |
3066 | *opcode = __le16_to_cpu(ev->opcode); |
3067 | *status = ev->status; | |
a9de9248 | 3068 | |
e6214487 | 3069 | switch (*opcode) { |
a9de9248 MH |
3070 | case HCI_OP_INQUIRY: |
3071 | hci_cs_inquiry(hdev, ev->status); | |
3072 | break; | |
3073 | ||
3074 | case HCI_OP_CREATE_CONN: | |
3075 | hci_cs_create_conn(hdev, ev->status); | |
3076 | break; | |
3077 | ||
9645c76c KP |
3078 | case HCI_OP_DISCONNECT: |
3079 | hci_cs_disconnect(hdev, ev->status); | |
3080 | break; | |
3081 | ||
a9de9248 MH |
3082 | case HCI_OP_ADD_SCO: |
3083 | hci_cs_add_sco(hdev, ev->status); | |
3084 | break; | |
3085 | ||
f8558555 MH |
3086 | case HCI_OP_AUTH_REQUESTED: |
3087 | hci_cs_auth_requested(hdev, ev->status); | |
3088 | break; | |
3089 | ||
3090 | case HCI_OP_SET_CONN_ENCRYPT: | |
3091 | hci_cs_set_conn_encrypt(hdev, ev->status); | |
3092 | break; | |
3093 | ||
a9de9248 MH |
3094 | case HCI_OP_REMOTE_NAME_REQ: |
3095 | hci_cs_remote_name_req(hdev, ev->status); | |
3096 | break; | |
3097 | ||
769be974 MH |
3098 | case HCI_OP_READ_REMOTE_FEATURES: |
3099 | hci_cs_read_remote_features(hdev, ev->status); | |
3100 | break; | |
3101 | ||
3102 | case HCI_OP_READ_REMOTE_EXT_FEATURES: | |
3103 | hci_cs_read_remote_ext_features(hdev, ev->status); | |
3104 | break; | |
3105 | ||
a9de9248 MH |
3106 | case HCI_OP_SETUP_SYNC_CONN: |
3107 | hci_cs_setup_sync_conn(hdev, ev->status); | |
3108 | break; | |
3109 | ||
9645c76c KP |
3110 | case HCI_OP_CREATE_PHY_LINK: |
3111 | hci_cs_create_phylink(hdev, ev->status); | |
3112 | break; | |
3113 | ||
3114 | case HCI_OP_ACCEPT_PHY_LINK: | |
3115 | hci_cs_accept_phylink(hdev, ev->status); | |
3116 | break; | |
3117 | ||
a9de9248 MH |
3118 | case HCI_OP_SNIFF_MODE: |
3119 | hci_cs_sniff_mode(hdev, ev->status); | |
3120 | break; | |
3121 | ||
3122 | case HCI_OP_EXIT_SNIFF_MODE: | |
3123 | hci_cs_exit_sniff_mode(hdev, ev->status); | |
3124 | break; | |
3125 | ||
50fc85f1 KP |
3126 | case HCI_OP_SWITCH_ROLE: |
3127 | hci_cs_switch_role(hdev, ev->status); | |
3128 | break; | |
3129 | ||
cb1d68f7 JH |
3130 | case HCI_OP_LE_CREATE_CONN: |
3131 | hci_cs_le_create_conn(hdev, ev->status); | |
3132 | break; | |
3133 | ||
0fe29fd1 MH |
3134 | case HCI_OP_LE_READ_REMOTE_FEATURES: |
3135 | hci_cs_le_read_remote_features(hdev, ev->status); | |
3136 | break; | |
3137 | ||
81d0c8ad JH |
3138 | case HCI_OP_LE_START_ENC: |
3139 | hci_cs_le_start_enc(hdev, ev->status); | |
3140 | break; | |
3141 | ||
a9de9248 | 3142 | default: |
e6214487 | 3143 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3144 | break; |
3145 | } | |
3146 | ||
e6214487 | 3147 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3148 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3149 | |
600b2150 JH |
3150 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3151 | atomic_set(&hdev->cmd_cnt, 1); | |
3152 | ||
444c6dd5 JH |
3153 | /* Indicate request completion if the command failed. Also, if |
3154 | * we're not waiting for a special event and we get a success | |
3155 | * command status we should try to flag the request as completed | |
3156 | * (since for this kind of commands there will not be a command | |
3157 | * complete event). | |
3158 | */ | |
02350a72 | 3159 | if (ev->status || |
db6e3e8d | 3160 | (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event)) |
e6214487 JH |
3161 | hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete, |
3162 | req_complete_skb); | |
9238f36a | 3163 | |
600b2150 JH |
3164 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3165 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3166 | } |
3167 | ||
24dfa343 MH |
3168 | static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb) |
3169 | { | |
3170 | struct hci_ev_hardware_error *ev = (void *) skb->data; | |
3171 | ||
c7741d16 MH |
3172 | hdev->hw_error_code = ev->code; |
3173 | ||
3174 | queue_work(hdev->req_workqueue, &hdev->error_reset); | |
24dfa343 MH |
3175 | } |
3176 | ||
6039aa73 | 3177 | static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3178 | { |
3179 | struct hci_ev_role_change *ev = (void *) skb->data; | |
3180 | struct hci_conn *conn; | |
3181 | ||
9f1db00c | 3182 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 MH |
3183 | |
3184 | hci_dev_lock(hdev); | |
3185 | ||
3186 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3187 | if (conn) { | |
40bef302 JH |
3188 | if (!ev->status) |
3189 | conn->role = ev->role; | |
a9de9248 | 3190 | |
51a8efd7 | 3191 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); |
a9de9248 MH |
3192 | |
3193 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
3194 | } | |
3195 | ||
3196 | hci_dev_unlock(hdev); | |
3197 | } | |
3198 | ||
6039aa73 | 3199 | static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3200 | { |
3201 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; | |
a9de9248 MH |
3202 | int i; |
3203 | ||
32ac5b9b AE |
3204 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { |
3205 | BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); | |
3206 | return; | |
3207 | } | |
3208 | ||
c5993de8 | 3209 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + |
807deac2 | 3210 | ev->num_hndl * sizeof(struct hci_comp_pkts_info)) { |
a9de9248 MH |
3211 | BT_DBG("%s bad parameters", hdev->name); |
3212 | return; | |
3213 | } | |
3214 | ||
c5993de8 AE |
3215 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); |
3216 | ||
613a1c0c AE |
3217 | for (i = 0; i < ev->num_hndl; i++) { |
3218 | struct hci_comp_pkts_info *info = &ev->handles[i]; | |
a9de9248 MH |
3219 | struct hci_conn *conn; |
3220 | __u16 handle, count; | |
3221 | ||
613a1c0c AE |
3222 | handle = __le16_to_cpu(info->handle); |
3223 | count = __le16_to_cpu(info->count); | |
a9de9248 MH |
3224 | |
3225 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
f4280918 AE |
3226 | if (!conn) |
3227 | continue; | |
3228 | ||
3229 | conn->sent -= count; | |
3230 | ||
3231 | switch (conn->type) { | |
3232 | case ACL_LINK: | |
3233 | hdev->acl_cnt += count; | |
3234 | if (hdev->acl_cnt > hdev->acl_pkts) | |
3235 | hdev->acl_cnt = hdev->acl_pkts; | |
3236 | break; | |
3237 | ||
3238 | case LE_LINK: | |
3239 | if (hdev->le_pkts) { | |
3240 | hdev->le_cnt += count; | |
3241 | if (hdev->le_cnt > hdev->le_pkts) | |
3242 | hdev->le_cnt = hdev->le_pkts; | |
3243 | } else { | |
70f23020 AE |
3244 | hdev->acl_cnt += count; |
3245 | if (hdev->acl_cnt > hdev->acl_pkts) | |
a9de9248 | 3246 | hdev->acl_cnt = hdev->acl_pkts; |
a9de9248 | 3247 | } |
f4280918 AE |
3248 | break; |
3249 | ||
3250 | case SCO_LINK: | |
3251 | hdev->sco_cnt += count; | |
3252 | if (hdev->sco_cnt > hdev->sco_pkts) | |
3253 | hdev->sco_cnt = hdev->sco_pkts; | |
3254 | break; | |
3255 | ||
3256 | default: | |
3257 | BT_ERR("Unknown type %d conn %p", conn->type, conn); | |
3258 | break; | |
a9de9248 MH |
3259 | } |
3260 | } | |
3261 | ||
3eff45ea | 3262 | queue_work(hdev->workqueue, &hdev->tx_work); |
a9de9248 MH |
3263 | } |
3264 | ||
76ef7cf7 AE |
3265 | static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, |
3266 | __u16 handle) | |
3267 | { | |
3268 | struct hci_chan *chan; | |
3269 | ||
3270 | switch (hdev->dev_type) { | |
3271 | case HCI_BREDR: | |
3272 | return hci_conn_hash_lookup_handle(hdev, handle); | |
3273 | case HCI_AMP: | |
3274 | chan = hci_chan_lookup_handle(hdev, handle); | |
3275 | if (chan) | |
3276 | return chan->conn; | |
3277 | break; | |
3278 | default: | |
3279 | BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type); | |
3280 | break; | |
3281 | } | |
3282 | ||
3283 | return NULL; | |
3284 | } | |
3285 | ||
6039aa73 | 3286 | static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) |
25e89e99 AE |
3287 | { |
3288 | struct hci_ev_num_comp_blocks *ev = (void *) skb->data; | |
3289 | int i; | |
3290 | ||
3291 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { | |
3292 | BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode); | |
3293 | return; | |
3294 | } | |
3295 | ||
3296 | if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) + | |
807deac2 | 3297 | ev->num_hndl * sizeof(struct hci_comp_blocks_info)) { |
25e89e99 AE |
3298 | BT_DBG("%s bad parameters", hdev->name); |
3299 | return; | |
3300 | } | |
3301 | ||
3302 | BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, | |
807deac2 | 3303 | ev->num_hndl); |
25e89e99 AE |
3304 | |
3305 | for (i = 0; i < ev->num_hndl; i++) { | |
3306 | struct hci_comp_blocks_info *info = &ev->handles[i]; | |
76ef7cf7 | 3307 | struct hci_conn *conn = NULL; |
25e89e99 AE |
3308 | __u16 handle, block_count; |
3309 | ||
3310 | handle = __le16_to_cpu(info->handle); | |
3311 | block_count = __le16_to_cpu(info->blocks); | |
3312 | ||
76ef7cf7 | 3313 | conn = __hci_conn_lookup_handle(hdev, handle); |
25e89e99 AE |
3314 | if (!conn) |
3315 | continue; | |
3316 | ||
3317 | conn->sent -= block_count; | |
3318 | ||
3319 | switch (conn->type) { | |
3320 | case ACL_LINK: | |
bd1eb66b | 3321 | case AMP_LINK: |
25e89e99 AE |
3322 | hdev->block_cnt += block_count; |
3323 | if (hdev->block_cnt > hdev->num_blocks) | |
3324 | hdev->block_cnt = hdev->num_blocks; | |
3325 | break; | |
3326 | ||
3327 | default: | |
3328 | BT_ERR("Unknown type %d conn %p", conn->type, conn); | |
3329 | break; | |
3330 | } | |
3331 | } | |
3332 | ||
3333 | queue_work(hdev->workqueue, &hdev->tx_work); | |
3334 | } | |
3335 | ||
6039aa73 | 3336 | static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 3337 | { |
a9de9248 | 3338 | struct hci_ev_mode_change *ev = (void *) skb->data; |
04837f64 MH |
3339 | struct hci_conn *conn; |
3340 | ||
9f1db00c | 3341 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
3342 | |
3343 | hci_dev_lock(hdev); | |
3344 | ||
3345 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
a9de9248 MH |
3346 | if (conn) { |
3347 | conn->mode = ev->mode; | |
a9de9248 | 3348 | |
8fc9ced3 GP |
3349 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, |
3350 | &conn->flags)) { | |
a9de9248 | 3351 | if (conn->mode == HCI_CM_ACTIVE) |
58a681ef | 3352 | set_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3353 | else |
58a681ef | 3354 | clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3355 | } |
e73439d8 | 3356 | |
51a8efd7 | 3357 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 | 3358 | hci_sco_setup(conn, ev->status); |
04837f64 MH |
3359 | } |
3360 | ||
3361 | hci_dev_unlock(hdev); | |
3362 | } | |
3363 | ||
6039aa73 | 3364 | static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3365 | { |
052b30b0 MH |
3366 | struct hci_ev_pin_code_req *ev = (void *) skb->data; |
3367 | struct hci_conn *conn; | |
3368 | ||
a9de9248 | 3369 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3370 | |
3371 | hci_dev_lock(hdev); | |
3372 | ||
3373 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
b6f98044 WR |
3374 | if (!conn) |
3375 | goto unlock; | |
3376 | ||
3377 | if (conn->state == BT_CONNECTED) { | |
052b30b0 MH |
3378 | hci_conn_hold(conn); |
3379 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
76a68ba0 | 3380 | hci_conn_drop(conn); |
052b30b0 MH |
3381 | } |
3382 | ||
d7a5a11d | 3383 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE) && |
2f407f0a | 3384 | !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) { |
03b555e1 | 3385 | hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
807deac2 | 3386 | sizeof(ev->bdaddr), &ev->bdaddr); |
d7a5a11d | 3387 | } else if (hci_dev_test_flag(hdev, HCI_MGMT)) { |
a770bb5a WR |
3388 | u8 secure; |
3389 | ||
3390 | if (conn->pending_sec_level == BT_SECURITY_HIGH) | |
3391 | secure = 1; | |
3392 | else | |
3393 | secure = 0; | |
3394 | ||
744cf19e | 3395 | mgmt_pin_code_request(hdev, &ev->bdaddr, secure); |
a770bb5a | 3396 | } |
980e1a53 | 3397 | |
b6f98044 | 3398 | unlock: |
052b30b0 | 3399 | hci_dev_unlock(hdev); |
a9de9248 MH |
3400 | } |
3401 | ||
cb6f3f7a JH |
3402 | static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len) |
3403 | { | |
3404 | if (key_type == HCI_LK_CHANGED_COMBINATION) | |
3405 | return; | |
3406 | ||
3407 | conn->pin_length = pin_len; | |
3408 | conn->key_type = key_type; | |
3409 | ||
3410 | switch (key_type) { | |
3411 | case HCI_LK_LOCAL_UNIT: | |
3412 | case HCI_LK_REMOTE_UNIT: | |
3413 | case HCI_LK_DEBUG_COMBINATION: | |
3414 | return; | |
3415 | case HCI_LK_COMBINATION: | |
3416 | if (pin_len == 16) | |
3417 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3418 | else | |
3419 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3420 | break; | |
3421 | case HCI_LK_UNAUTH_COMBINATION_P192: | |
3422 | case HCI_LK_UNAUTH_COMBINATION_P256: | |
3423 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3424 | break; | |
3425 | case HCI_LK_AUTH_COMBINATION_P192: | |
3426 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3427 | break; | |
3428 | case HCI_LK_AUTH_COMBINATION_P256: | |
3429 | conn->pending_sec_level = BT_SECURITY_FIPS; | |
3430 | break; | |
3431 | } | |
3432 | } | |
3433 | ||
6039aa73 | 3434 | static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3435 | { |
55ed8ca1 JH |
3436 | struct hci_ev_link_key_req *ev = (void *) skb->data; |
3437 | struct hci_cp_link_key_reply cp; | |
3438 | struct hci_conn *conn; | |
3439 | struct link_key *key; | |
3440 | ||
a9de9248 | 3441 | BT_DBG("%s", hdev->name); |
55ed8ca1 | 3442 | |
d7a5a11d | 3443 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
55ed8ca1 JH |
3444 | return; |
3445 | ||
3446 | hci_dev_lock(hdev); | |
3447 | ||
3448 | key = hci_find_link_key(hdev, &ev->bdaddr); | |
3449 | if (!key) { | |
6ed93dc6 AE |
3450 | BT_DBG("%s link key not found for %pMR", hdev->name, |
3451 | &ev->bdaddr); | |
55ed8ca1 JH |
3452 | goto not_found; |
3453 | } | |
3454 | ||
6ed93dc6 AE |
3455 | BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, |
3456 | &ev->bdaddr); | |
55ed8ca1 | 3457 | |
55ed8ca1 | 3458 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
60b83f57 | 3459 | if (conn) { |
fe8bc5ac JH |
3460 | clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
3461 | ||
66138ce8 MH |
3462 | if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || |
3463 | key->type == HCI_LK_UNAUTH_COMBINATION_P256) && | |
807deac2 | 3464 | conn->auth_type != 0xff && (conn->auth_type & 0x01)) { |
60b83f57 WR |
3465 | BT_DBG("%s ignoring unauthenticated key", hdev->name); |
3466 | goto not_found; | |
3467 | } | |
55ed8ca1 | 3468 | |
60b83f57 | 3469 | if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && |
f3fb0b58 JH |
3470 | (conn->pending_sec_level == BT_SECURITY_HIGH || |
3471 | conn->pending_sec_level == BT_SECURITY_FIPS)) { | |
8fc9ced3 GP |
3472 | BT_DBG("%s ignoring key unauthenticated for high security", |
3473 | hdev->name); | |
60b83f57 WR |
3474 | goto not_found; |
3475 | } | |
3476 | ||
cb6f3f7a | 3477 | conn_set_key(conn, key->type, key->pin_len); |
55ed8ca1 JH |
3478 | } |
3479 | ||
3480 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9b3b4460 | 3481 | memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); |
55ed8ca1 JH |
3482 | |
3483 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); | |
3484 | ||
3485 | hci_dev_unlock(hdev); | |
3486 | ||
3487 | return; | |
3488 | ||
3489 | not_found: | |
3490 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); | |
3491 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3492 | } |
3493 | ||
6039aa73 | 3494 | static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3495 | { |
052b30b0 MH |
3496 | struct hci_ev_link_key_notify *ev = (void *) skb->data; |
3497 | struct hci_conn *conn; | |
7652ff6a JH |
3498 | struct link_key *key; |
3499 | bool persistent; | |
55ed8ca1 | 3500 | u8 pin_len = 0; |
052b30b0 | 3501 | |
a9de9248 | 3502 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3503 | |
3504 | hci_dev_lock(hdev); | |
3505 | ||
3506 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
82c13d42 JH |
3507 | if (!conn) |
3508 | goto unlock; | |
3509 | ||
3510 | hci_conn_hold(conn); | |
3511 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
3512 | hci_conn_drop(conn); | |
3513 | ||
fe8bc5ac | 3514 | set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
82c13d42 | 3515 | conn_set_key(conn, ev->key_type, conn->pin_length); |
052b30b0 | 3516 | |
d7a5a11d | 3517 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7652ff6a JH |
3518 | goto unlock; |
3519 | ||
3520 | key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key, | |
3521 | ev->key_type, pin_len, &persistent); | |
3522 | if (!key) | |
3523 | goto unlock; | |
3524 | ||
cb6f3f7a JH |
3525 | /* Update connection information since adding the key will have |
3526 | * fixed up the type in the case of changed combination keys. | |
3527 | */ | |
3528 | if (ev->key_type == HCI_LK_CHANGED_COMBINATION) | |
3529 | conn_set_key(conn, key->type, key->pin_len); | |
3530 | ||
7652ff6a | 3531 | mgmt_new_link_key(hdev, key, persistent); |
55ed8ca1 | 3532 | |
6d5650c4 JH |
3533 | /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag |
3534 | * is set. If it's not set simply remove the key from the kernel | |
3535 | * list (we've still notified user space about it but with | |
3536 | * store_hint being 0). | |
3537 | */ | |
3538 | if (key->type == HCI_LK_DEBUG_COMBINATION && | |
d7a5a11d | 3539 | !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) { |
0378b597 JH |
3540 | list_del_rcu(&key->list); |
3541 | kfree_rcu(key, rcu); | |
82c13d42 | 3542 | goto unlock; |
6d5650c4 | 3543 | } |
7652ff6a | 3544 | |
82c13d42 JH |
3545 | if (persistent) |
3546 | clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3547 | else | |
3548 | set_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
3549 | ||
7652ff6a | 3550 | unlock: |
052b30b0 | 3551 | hci_dev_unlock(hdev); |
a9de9248 MH |
3552 | } |
3553 | ||
6039aa73 | 3554 | static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 3555 | { |
a9de9248 | 3556 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
04837f64 | 3557 | struct hci_conn *conn; |
1da177e4 | 3558 | |
9f1db00c | 3559 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3560 | |
3561 | hci_dev_lock(hdev); | |
3562 | ||
04837f64 | 3563 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
3564 | if (conn && !ev->status) { |
3565 | struct inquiry_entry *ie; | |
3566 | ||
cc11b9c1 AE |
3567 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
3568 | if (ie) { | |
1da177e4 LT |
3569 | ie->data.clock_offset = ev->clock_offset; |
3570 | ie->timestamp = jiffies; | |
3571 | } | |
3572 | } | |
3573 | ||
3574 | hci_dev_unlock(hdev); | |
3575 | } | |
3576 | ||
6039aa73 | 3577 | static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a8746417 MH |
3578 | { |
3579 | struct hci_ev_pkt_type_change *ev = (void *) skb->data; | |
3580 | struct hci_conn *conn; | |
3581 | ||
9f1db00c | 3582 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a8746417 MH |
3583 | |
3584 | hci_dev_lock(hdev); | |
3585 | ||
3586 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
3587 | if (conn && !ev->status) | |
3588 | conn->pkt_type = __le16_to_cpu(ev->pkt_type); | |
3589 | ||
3590 | hci_dev_unlock(hdev); | |
3591 | } | |
3592 | ||
6039aa73 | 3593 | static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
85a1e930 | 3594 | { |
a9de9248 | 3595 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
85a1e930 MH |
3596 | struct inquiry_entry *ie; |
3597 | ||
3598 | BT_DBG("%s", hdev->name); | |
3599 | ||
3600 | hci_dev_lock(hdev); | |
3601 | ||
cc11b9c1 AE |
3602 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
3603 | if (ie) { | |
85a1e930 MH |
3604 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
3605 | ie->timestamp = jiffies; | |
3606 | } | |
3607 | ||
3608 | hci_dev_unlock(hdev); | |
3609 | } | |
3610 | ||
6039aa73 GP |
3611 | static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, |
3612 | struct sk_buff *skb) | |
a9de9248 MH |
3613 | { |
3614 | struct inquiry_data data; | |
3615 | int num_rsp = *((__u8 *) skb->data); | |
3616 | ||
3617 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
3618 | ||
3619 | if (!num_rsp) | |
3620 | return; | |
3621 | ||
d7a5a11d | 3622 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
3623 | return; |
3624 | ||
a9de9248 MH |
3625 | hci_dev_lock(hdev); |
3626 | ||
3627 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
138d22ef SJ |
3628 | struct inquiry_info_with_rssi_and_pscan_mode *info; |
3629 | info = (void *) (skb->data + 1); | |
a9de9248 | 3630 | |
e17acd40 | 3631 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3632 | u32 flags; |
3633 | ||
a9de9248 MH |
3634 | bacpy(&data.bdaddr, &info->bdaddr); |
3635 | data.pscan_rep_mode = info->pscan_rep_mode; | |
3636 | data.pscan_period_mode = info->pscan_period_mode; | |
3637 | data.pscan_mode = info->pscan_mode; | |
3638 | memcpy(data.dev_class, info->dev_class, 3); | |
3639 | data.clock_offset = info->clock_offset; | |
3640 | data.rssi = info->rssi; | |
41a96212 | 3641 | data.ssp_mode = 0x00; |
3175405b | 3642 | |
af58925c MH |
3643 | flags = hci_inquiry_cache_update(hdev, &data, false); |
3644 | ||
48264f06 | 3645 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 3646 | info->dev_class, info->rssi, |
af58925c | 3647 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
3648 | } |
3649 | } else { | |
3650 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); | |
3651 | ||
e17acd40 | 3652 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3653 | u32 flags; |
3654 | ||
a9de9248 MH |
3655 | bacpy(&data.bdaddr, &info->bdaddr); |
3656 | data.pscan_rep_mode = info->pscan_rep_mode; | |
3657 | data.pscan_period_mode = info->pscan_period_mode; | |
3658 | data.pscan_mode = 0x00; | |
3659 | memcpy(data.dev_class, info->dev_class, 3); | |
3660 | data.clock_offset = info->clock_offset; | |
3661 | data.rssi = info->rssi; | |
41a96212 | 3662 | data.ssp_mode = 0x00; |
af58925c MH |
3663 | |
3664 | flags = hci_inquiry_cache_update(hdev, &data, false); | |
3665 | ||
48264f06 | 3666 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 3667 | info->dev_class, info->rssi, |
af58925c | 3668 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
3669 | } |
3670 | } | |
3671 | ||
3672 | hci_dev_unlock(hdev); | |
3673 | } | |
3674 | ||
6039aa73 GP |
3675 | static void hci_remote_ext_features_evt(struct hci_dev *hdev, |
3676 | struct sk_buff *skb) | |
a9de9248 | 3677 | { |
41a96212 MH |
3678 | struct hci_ev_remote_ext_features *ev = (void *) skb->data; |
3679 | struct hci_conn *conn; | |
3680 | ||
a9de9248 | 3681 | BT_DBG("%s", hdev->name); |
41a96212 | 3682 | |
41a96212 MH |
3683 | hci_dev_lock(hdev); |
3684 | ||
3685 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
3686 | if (!conn) |
3687 | goto unlock; | |
41a96212 | 3688 | |
cad718ed JH |
3689 | if (ev->page < HCI_MAX_PAGES) |
3690 | memcpy(conn->features[ev->page], ev->features, 8); | |
3691 | ||
ccd556fe JH |
3692 | if (!ev->status && ev->page == 0x01) { |
3693 | struct inquiry_entry *ie; | |
41a96212 | 3694 | |
cc11b9c1 AE |
3695 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
3696 | if (ie) | |
02b7cc62 | 3697 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
769be974 | 3698 | |
bbb0eada | 3699 | if (ev->features[0] & LMP_HOST_SSP) { |
58a681ef | 3700 | set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
bbb0eada JK |
3701 | } else { |
3702 | /* It is mandatory by the Bluetooth specification that | |
3703 | * Extended Inquiry Results are only used when Secure | |
3704 | * Simple Pairing is enabled, but some devices violate | |
3705 | * this. | |
3706 | * | |
3707 | * To make these devices work, the internal SSP | |
3708 | * enabled flag needs to be cleared if the remote host | |
3709 | * features do not indicate SSP support */ | |
3710 | clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
3711 | } | |
eb9a8f3f MH |
3712 | |
3713 | if (ev->features[0] & LMP_HOST_SC) | |
3714 | set_bit(HCI_CONN_SC_ENABLED, &conn->flags); | |
ccd556fe JH |
3715 | } |
3716 | ||
3717 | if (conn->state != BT_CONFIG) | |
3718 | goto unlock; | |
3719 | ||
671267bf | 3720 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
3721 | struct hci_cp_remote_name_req cp; |
3722 | memset(&cp, 0, sizeof(cp)); | |
3723 | bacpy(&cp.bdaddr, &conn->dst); | |
3724 | cp.pscan_rep_mode = 0x02; | |
3725 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 3726 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 3727 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 3728 | |
127178d2 | 3729 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 3730 | conn->state = BT_CONNECTED; |
539c496d | 3731 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3732 | hci_conn_drop(conn); |
41a96212 MH |
3733 | } |
3734 | ||
ccd556fe | 3735 | unlock: |
41a96212 | 3736 | hci_dev_unlock(hdev); |
a9de9248 MH |
3737 | } |
3738 | ||
6039aa73 GP |
3739 | static void hci_sync_conn_complete_evt(struct hci_dev *hdev, |
3740 | struct sk_buff *skb) | |
a9de9248 | 3741 | { |
b6a0dc82 MH |
3742 | struct hci_ev_sync_conn_complete *ev = (void *) skb->data; |
3743 | struct hci_conn *conn; | |
3744 | ||
9f1db00c | 3745 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
b6a0dc82 MH |
3746 | |
3747 | hci_dev_lock(hdev); | |
3748 | ||
3749 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9dc0a3af MH |
3750 | if (!conn) { |
3751 | if (ev->link_type == ESCO_LINK) | |
3752 | goto unlock; | |
3753 | ||
3754 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); | |
3755 | if (!conn) | |
3756 | goto unlock; | |
3757 | ||
3758 | conn->type = SCO_LINK; | |
3759 | } | |
b6a0dc82 | 3760 | |
732547f9 MH |
3761 | switch (ev->status) { |
3762 | case 0x00: | |
b6a0dc82 MH |
3763 | conn->handle = __le16_to_cpu(ev->handle); |
3764 | conn->state = BT_CONNECTED; | |
7d0db0a3 | 3765 | |
23b9ceb7 | 3766 | hci_debugfs_create_conn(conn); |
7d0db0a3 | 3767 | hci_conn_add_sysfs(conn); |
732547f9 MH |
3768 | break; |
3769 | ||
81218d20 | 3770 | case 0x10: /* Connection Accept Timeout */ |
1a4c958c | 3771 | case 0x0d: /* Connection Rejected due to Limited Resources */ |
705e5711 | 3772 | case 0x11: /* Unsupported Feature or Parameter Value */ |
732547f9 | 3773 | case 0x1c: /* SCO interval rejected */ |
1038a00b | 3774 | case 0x1a: /* Unsupported Remote Feature */ |
732547f9 | 3775 | case 0x1f: /* Unspecified error */ |
27539bc4 | 3776 | case 0x20: /* Unsupported LMP Parameter value */ |
2dea632f | 3777 | if (conn->out) { |
732547f9 MH |
3778 | conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
3779 | (hdev->esco_type & EDR_ESCO_MASK); | |
2dea632f FD |
3780 | if (hci_setup_sync(conn, conn->link->handle)) |
3781 | goto unlock; | |
732547f9 MH |
3782 | } |
3783 | /* fall through */ | |
3784 | ||
3785 | default: | |
b6a0dc82 | 3786 | conn->state = BT_CLOSED; |
732547f9 MH |
3787 | break; |
3788 | } | |
b6a0dc82 | 3789 | |
539c496d | 3790 | hci_connect_cfm(conn, ev->status); |
b6a0dc82 MH |
3791 | if (ev->status) |
3792 | hci_conn_del(conn); | |
3793 | ||
3794 | unlock: | |
3795 | hci_dev_unlock(hdev); | |
a9de9248 MH |
3796 | } |
3797 | ||
efdcf8e3 MH |
3798 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
3799 | { | |
3800 | size_t parsed = 0; | |
3801 | ||
3802 | while (parsed < eir_len) { | |
3803 | u8 field_len = eir[0]; | |
3804 | ||
3805 | if (field_len == 0) | |
3806 | return parsed; | |
3807 | ||
3808 | parsed += field_len + 1; | |
3809 | eir += field_len + 1; | |
3810 | } | |
3811 | ||
3812 | return eir_len; | |
3813 | } | |
3814 | ||
6039aa73 GP |
3815 | static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, |
3816 | struct sk_buff *skb) | |
1da177e4 | 3817 | { |
a9de9248 MH |
3818 | struct inquiry_data data; |
3819 | struct extended_inquiry_info *info = (void *) (skb->data + 1); | |
3820 | int num_rsp = *((__u8 *) skb->data); | |
9d939d94 | 3821 | size_t eir_len; |
1da177e4 | 3822 | |
a9de9248 | 3823 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
1da177e4 | 3824 | |
a9de9248 MH |
3825 | if (!num_rsp) |
3826 | return; | |
1da177e4 | 3827 | |
d7a5a11d | 3828 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
3829 | return; |
3830 | ||
a9de9248 MH |
3831 | hci_dev_lock(hdev); |
3832 | ||
e17acd40 | 3833 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
3834 | u32 flags; |
3835 | bool name_known; | |
561aafbc | 3836 | |
a9de9248 | 3837 | bacpy(&data.bdaddr, &info->bdaddr); |
138d22ef SJ |
3838 | data.pscan_rep_mode = info->pscan_rep_mode; |
3839 | data.pscan_period_mode = info->pscan_period_mode; | |
3840 | data.pscan_mode = 0x00; | |
a9de9248 | 3841 | memcpy(data.dev_class, info->dev_class, 3); |
138d22ef SJ |
3842 | data.clock_offset = info->clock_offset; |
3843 | data.rssi = info->rssi; | |
41a96212 | 3844 | data.ssp_mode = 0x01; |
561aafbc | 3845 | |
d7a5a11d | 3846 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
4ddb1930 | 3847 | name_known = eir_has_data_type(info->data, |
04124681 GP |
3848 | sizeof(info->data), |
3849 | EIR_NAME_COMPLETE); | |
561aafbc JH |
3850 | else |
3851 | name_known = true; | |
3852 | ||
af58925c MH |
3853 | flags = hci_inquiry_cache_update(hdev, &data, name_known); |
3854 | ||
9d939d94 | 3855 | eir_len = eir_get_length(info->data, sizeof(info->data)); |
af58925c | 3856 | |
48264f06 | 3857 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
af58925c MH |
3858 | info->dev_class, info->rssi, |
3859 | flags, info->data, eir_len, NULL, 0); | |
a9de9248 MH |
3860 | } |
3861 | ||
3862 | hci_dev_unlock(hdev); | |
3863 | } | |
1da177e4 | 3864 | |
1c2e0041 JH |
3865 | static void hci_key_refresh_complete_evt(struct hci_dev *hdev, |
3866 | struct sk_buff *skb) | |
3867 | { | |
3868 | struct hci_ev_key_refresh_complete *ev = (void *) skb->data; | |
3869 | struct hci_conn *conn; | |
3870 | ||
9f1db00c | 3871 | BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, |
1c2e0041 JH |
3872 | __le16_to_cpu(ev->handle)); |
3873 | ||
3874 | hci_dev_lock(hdev); | |
3875 | ||
3876 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
3877 | if (!conn) | |
3878 | goto unlock; | |
3879 | ||
9eb1fbfa JH |
3880 | /* For BR/EDR the necessary steps are taken through the |
3881 | * auth_complete event. | |
3882 | */ | |
3883 | if (conn->type != LE_LINK) | |
3884 | goto unlock; | |
3885 | ||
1c2e0041 JH |
3886 | if (!ev->status) |
3887 | conn->sec_level = conn->pending_sec_level; | |
3888 | ||
3889 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); | |
3890 | ||
3891 | if (ev->status && conn->state == BT_CONNECTED) { | |
bed71748 | 3892 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
76a68ba0 | 3893 | hci_conn_drop(conn); |
1c2e0041 JH |
3894 | goto unlock; |
3895 | } | |
3896 | ||
3897 | if (conn->state == BT_CONFIG) { | |
3898 | if (!ev->status) | |
3899 | conn->state = BT_CONNECTED; | |
3900 | ||
539c496d | 3901 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3902 | hci_conn_drop(conn); |
1c2e0041 JH |
3903 | } else { |
3904 | hci_auth_cfm(conn, ev->status); | |
3905 | ||
3906 | hci_conn_hold(conn); | |
3907 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 3908 | hci_conn_drop(conn); |
1c2e0041 JH |
3909 | } |
3910 | ||
3911 | unlock: | |
3912 | hci_dev_unlock(hdev); | |
3913 | } | |
3914 | ||
6039aa73 | 3915 | static u8 hci_get_auth_req(struct hci_conn *conn) |
17fa4b9d | 3916 | { |
17fa4b9d | 3917 | /* If remote requests no-bonding follow that lead */ |
acabae96 MA |
3918 | if (conn->remote_auth == HCI_AT_NO_BONDING || |
3919 | conn->remote_auth == HCI_AT_NO_BONDING_MITM) | |
58797bf7 | 3920 | return conn->remote_auth | (conn->auth_type & 0x01); |
17fa4b9d | 3921 | |
b7f94c88 MA |
3922 | /* If both remote and local have enough IO capabilities, require |
3923 | * MITM protection | |
3924 | */ | |
3925 | if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT && | |
3926 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) | |
3927 | return conn->remote_auth | 0x01; | |
3928 | ||
7e74170a TM |
3929 | /* No MITM protection possible so ignore remote requirement */ |
3930 | return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); | |
17fa4b9d JH |
3931 | } |
3932 | ||
a83ed81e MH |
3933 | static u8 bredr_oob_data_present(struct hci_conn *conn) |
3934 | { | |
3935 | struct hci_dev *hdev = conn->hdev; | |
3936 | struct oob_data *data; | |
3937 | ||
3938 | data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR); | |
3939 | if (!data) | |
3940 | return 0x00; | |
3941 | ||
455c2ff0 MH |
3942 | if (bredr_sc_enabled(hdev)) { |
3943 | /* When Secure Connections is enabled, then just | |
3944 | * return the present value stored with the OOB | |
3945 | * data. The stored value contains the right present | |
3946 | * information. However it can only be trusted when | |
3947 | * not in Secure Connection Only mode. | |
3948 | */ | |
3949 | if (!hci_dev_test_flag(hdev, HCI_SC_ONLY)) | |
3950 | return data->present; | |
659c7fb0 | 3951 | |
455c2ff0 MH |
3952 | /* When Secure Connections Only mode is enabled, then |
3953 | * the P-256 values are required. If they are not | |
3954 | * available, then do not declare that OOB data is | |
3955 | * present. | |
659c7fb0 | 3956 | */ |
455c2ff0 MH |
3957 | if (!memcmp(data->rand256, ZERO_KEY, 16) || |
3958 | !memcmp(data->hash256, ZERO_KEY, 16)) | |
659c7fb0 MH |
3959 | return 0x00; |
3960 | ||
455c2ff0 | 3961 | return 0x02; |
659c7fb0 | 3962 | } |
a83ed81e | 3963 | |
455c2ff0 MH |
3964 | /* When Secure Connections is not enabled or actually |
3965 | * not supported by the hardware, then check that if | |
3966 | * P-192 data values are present. | |
3967 | */ | |
3968 | if (!memcmp(data->rand192, ZERO_KEY, 16) || | |
3969 | !memcmp(data->hash192, ZERO_KEY, 16)) | |
3970 | return 0x00; | |
3971 | ||
3972 | return 0x01; | |
a83ed81e MH |
3973 | } |
3974 | ||
6039aa73 | 3975 | static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
0493684e MH |
3976 | { |
3977 | struct hci_ev_io_capa_request *ev = (void *) skb->data; | |
3978 | struct hci_conn *conn; | |
3979 | ||
3980 | BT_DBG("%s", hdev->name); | |
3981 | ||
3982 | hci_dev_lock(hdev); | |
3983 | ||
3984 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
03b555e1 JH |
3985 | if (!conn) |
3986 | goto unlock; | |
3987 | ||
3988 | hci_conn_hold(conn); | |
3989 | ||
d7a5a11d | 3990 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
03b555e1 JH |
3991 | goto unlock; |
3992 | ||
2f407f0a JH |
3993 | /* Allow pairing if we're pairable, the initiators of the |
3994 | * pairing or if the remote is not requesting bonding. | |
3995 | */ | |
d7a5a11d | 3996 | if (hci_dev_test_flag(hdev, HCI_BONDABLE) || |
2f407f0a | 3997 | test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) || |
807deac2 | 3998 | (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { |
17fa4b9d JH |
3999 | struct hci_cp_io_capability_reply cp; |
4000 | ||
4001 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
7a7f1e7c HG |
4002 | /* Change the IO capability from KeyboardDisplay |
4003 | * to DisplayYesNo as it is not supported by BT spec. */ | |
4004 | cp.capability = (conn->io_capability == 0x04) ? | |
a767631a | 4005 | HCI_IO_DISPLAY_YESNO : conn->io_capability; |
b7f94c88 MA |
4006 | |
4007 | /* If we are initiators, there is no remote information yet */ | |
4008 | if (conn->remote_auth == 0xff) { | |
b16c6604 | 4009 | /* Request MITM protection if our IO caps allow it |
4ad51a75 | 4010 | * except for the no-bonding case. |
b16c6604 | 4011 | */ |
6fd6b915 | 4012 | if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
9f743d74 | 4013 | conn->auth_type != HCI_AT_NO_BONDING) |
6c53823a | 4014 | conn->auth_type |= 0x01; |
b7f94c88 MA |
4015 | } else { |
4016 | conn->auth_type = hci_get_auth_req(conn); | |
b7f94c88 | 4017 | } |
17fa4b9d | 4018 | |
82c295b1 JH |
4019 | /* If we're not bondable, force one of the non-bondable |
4020 | * authentication requirement values. | |
4021 | */ | |
d7a5a11d | 4022 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE)) |
82c295b1 JH |
4023 | conn->auth_type &= HCI_AT_NO_BONDING_MITM; |
4024 | ||
4025 | cp.authentication = conn->auth_type; | |
a83ed81e | 4026 | cp.oob_data = bredr_oob_data_present(conn); |
ce85ee13 | 4027 | |
17fa4b9d | 4028 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, |
807deac2 | 4029 | sizeof(cp), &cp); |
03b555e1 JH |
4030 | } else { |
4031 | struct hci_cp_io_capability_neg_reply cp; | |
4032 | ||
4033 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9f5a0d7b | 4034 | cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; |
0493684e | 4035 | |
03b555e1 | 4036 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, |
807deac2 | 4037 | sizeof(cp), &cp); |
03b555e1 JH |
4038 | } |
4039 | ||
4040 | unlock: | |
4041 | hci_dev_unlock(hdev); | |
4042 | } | |
4043 | ||
6039aa73 | 4044 | static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) |
03b555e1 JH |
4045 | { |
4046 | struct hci_ev_io_capa_reply *ev = (void *) skb->data; | |
4047 | struct hci_conn *conn; | |
4048 | ||
4049 | BT_DBG("%s", hdev->name); | |
4050 | ||
4051 | hci_dev_lock(hdev); | |
4052 | ||
4053 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4054 | if (!conn) | |
4055 | goto unlock; | |
4056 | ||
03b555e1 | 4057 | conn->remote_cap = ev->capability; |
03b555e1 JH |
4058 | conn->remote_auth = ev->authentication; |
4059 | ||
4060 | unlock: | |
0493684e MH |
4061 | hci_dev_unlock(hdev); |
4062 | } | |
4063 | ||
6039aa73 GP |
4064 | static void hci_user_confirm_request_evt(struct hci_dev *hdev, |
4065 | struct sk_buff *skb) | |
a5c29683 JH |
4066 | { |
4067 | struct hci_ev_user_confirm_req *ev = (void *) skb->data; | |
55bc1a37 | 4068 | int loc_mitm, rem_mitm, confirm_hint = 0; |
7a828908 | 4069 | struct hci_conn *conn; |
a5c29683 JH |
4070 | |
4071 | BT_DBG("%s", hdev->name); | |
4072 | ||
4073 | hci_dev_lock(hdev); | |
4074 | ||
d7a5a11d | 4075 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7a828908 | 4076 | goto unlock; |
a5c29683 | 4077 | |
7a828908 JH |
4078 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4079 | if (!conn) | |
4080 | goto unlock; | |
4081 | ||
4082 | loc_mitm = (conn->auth_type & 0x01); | |
4083 | rem_mitm = (conn->remote_auth & 0x01); | |
4084 | ||
4085 | /* If we require MITM but the remote device can't provide that | |
6c53823a JH |
4086 | * (it has NoInputNoOutput) then reject the confirmation |
4087 | * request. We check the security level here since it doesn't | |
4088 | * necessarily match conn->auth_type. | |
6fd6b915 | 4089 | */ |
6c53823a JH |
4090 | if (conn->pending_sec_level > BT_SECURITY_MEDIUM && |
4091 | conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { | |
7a828908 JH |
4092 | BT_DBG("Rejecting request: remote device can't provide MITM"); |
4093 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, | |
807deac2 | 4094 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4095 | goto unlock; |
4096 | } | |
4097 | ||
4098 | /* If no side requires MITM protection; auto-accept */ | |
a767631a MA |
4099 | if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && |
4100 | (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { | |
55bc1a37 JH |
4101 | |
4102 | /* If we're not the initiators request authorization to | |
4103 | * proceed from user space (mgmt_user_confirm with | |
ba15a58b | 4104 | * confirm_hint set to 1). The exception is if neither |
02f3e254 JH |
4105 | * side had MITM or if the local IO capability is |
4106 | * NoInputNoOutput, in which case we do auto-accept | |
ba15a58b JH |
4107 | */ |
4108 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && | |
02f3e254 | 4109 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
ba15a58b | 4110 | (loc_mitm || rem_mitm)) { |
55bc1a37 JH |
4111 | BT_DBG("Confirming auto-accept as acceptor"); |
4112 | confirm_hint = 1; | |
4113 | goto confirm; | |
4114 | } | |
4115 | ||
9f61656a | 4116 | BT_DBG("Auto-accept of user confirmation with %ums delay", |
807deac2 | 4117 | hdev->auto_accept_delay); |
9f61656a JH |
4118 | |
4119 | if (hdev->auto_accept_delay > 0) { | |
4120 | int delay = msecs_to_jiffies(hdev->auto_accept_delay); | |
7bc18d9d JH |
4121 | queue_delayed_work(conn->hdev->workqueue, |
4122 | &conn->auto_accept_work, delay); | |
9f61656a JH |
4123 | goto unlock; |
4124 | } | |
4125 | ||
7a828908 | 4126 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, |
807deac2 | 4127 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4128 | goto unlock; |
4129 | } | |
4130 | ||
55bc1a37 | 4131 | confirm: |
39adbffe JH |
4132 | mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, |
4133 | le32_to_cpu(ev->passkey), confirm_hint); | |
7a828908 JH |
4134 | |
4135 | unlock: | |
a5c29683 JH |
4136 | hci_dev_unlock(hdev); |
4137 | } | |
4138 | ||
6039aa73 GP |
4139 | static void hci_user_passkey_request_evt(struct hci_dev *hdev, |
4140 | struct sk_buff *skb) | |
1143d458 BG |
4141 | { |
4142 | struct hci_ev_user_passkey_req *ev = (void *) skb->data; | |
4143 | ||
4144 | BT_DBG("%s", hdev->name); | |
4145 | ||
d7a5a11d | 4146 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 4147 | mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); |
1143d458 BG |
4148 | } |
4149 | ||
92a25256 JH |
4150 | static void hci_user_passkey_notify_evt(struct hci_dev *hdev, |
4151 | struct sk_buff *skb) | |
4152 | { | |
4153 | struct hci_ev_user_passkey_notify *ev = (void *) skb->data; | |
4154 | struct hci_conn *conn; | |
4155 | ||
4156 | BT_DBG("%s", hdev->name); | |
4157 | ||
4158 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4159 | if (!conn) | |
4160 | return; | |
4161 | ||
4162 | conn->passkey_notify = __le32_to_cpu(ev->passkey); | |
4163 | conn->passkey_entered = 0; | |
4164 | ||
d7a5a11d | 4165 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4166 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4167 | conn->dst_type, conn->passkey_notify, | |
4168 | conn->passkey_entered); | |
4169 | } | |
4170 | ||
4171 | static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4172 | { | |
4173 | struct hci_ev_keypress_notify *ev = (void *) skb->data; | |
4174 | struct hci_conn *conn; | |
4175 | ||
4176 | BT_DBG("%s", hdev->name); | |
4177 | ||
4178 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4179 | if (!conn) | |
4180 | return; | |
4181 | ||
4182 | switch (ev->type) { | |
4183 | case HCI_KEYPRESS_STARTED: | |
4184 | conn->passkey_entered = 0; | |
4185 | return; | |
4186 | ||
4187 | case HCI_KEYPRESS_ENTERED: | |
4188 | conn->passkey_entered++; | |
4189 | break; | |
4190 | ||
4191 | case HCI_KEYPRESS_ERASED: | |
4192 | conn->passkey_entered--; | |
4193 | break; | |
4194 | ||
4195 | case HCI_KEYPRESS_CLEARED: | |
4196 | conn->passkey_entered = 0; | |
4197 | break; | |
4198 | ||
4199 | case HCI_KEYPRESS_COMPLETED: | |
4200 | return; | |
4201 | } | |
4202 | ||
d7a5a11d | 4203 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4204 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4205 | conn->dst_type, conn->passkey_notify, | |
4206 | conn->passkey_entered); | |
4207 | } | |
4208 | ||
6039aa73 GP |
4209 | static void hci_simple_pair_complete_evt(struct hci_dev *hdev, |
4210 | struct sk_buff *skb) | |
0493684e MH |
4211 | { |
4212 | struct hci_ev_simple_pair_complete *ev = (void *) skb->data; | |
4213 | struct hci_conn *conn; | |
4214 | ||
4215 | BT_DBG("%s", hdev->name); | |
4216 | ||
4217 | hci_dev_lock(hdev); | |
4218 | ||
4219 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
2a611692 JH |
4220 | if (!conn) |
4221 | goto unlock; | |
4222 | ||
c1d4fa7a JH |
4223 | /* Reset the authentication requirement to unknown */ |
4224 | conn->remote_auth = 0xff; | |
4225 | ||
2a611692 JH |
4226 | /* To avoid duplicate auth_failed events to user space we check |
4227 | * the HCI_CONN_AUTH_PEND flag which will be set if we | |
4228 | * initiated the authentication. A traditional auth_complete | |
4229 | * event gets always produced as initiator and is also mapped to | |
4230 | * the mgmt_auth_failed event */ | |
fa1bd918 | 4231 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) |
e1e930f5 | 4232 | mgmt_auth_failed(conn, ev->status); |
0493684e | 4233 | |
76a68ba0 | 4234 | hci_conn_drop(conn); |
2a611692 JH |
4235 | |
4236 | unlock: | |
0493684e MH |
4237 | hci_dev_unlock(hdev); |
4238 | } | |
4239 | ||
6039aa73 GP |
4240 | static void hci_remote_host_features_evt(struct hci_dev *hdev, |
4241 | struct sk_buff *skb) | |
41a96212 MH |
4242 | { |
4243 | struct hci_ev_remote_host_features *ev = (void *) skb->data; | |
4244 | struct inquiry_entry *ie; | |
cad718ed | 4245 | struct hci_conn *conn; |
41a96212 MH |
4246 | |
4247 | BT_DBG("%s", hdev->name); | |
4248 | ||
4249 | hci_dev_lock(hdev); | |
4250 | ||
cad718ed JH |
4251 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4252 | if (conn) | |
4253 | memcpy(conn->features[1], ev->features, 8); | |
4254 | ||
cc11b9c1 AE |
4255 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4256 | if (ie) | |
02b7cc62 | 4257 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
41a96212 MH |
4258 | |
4259 | hci_dev_unlock(hdev); | |
4260 | } | |
4261 | ||
6039aa73 GP |
4262 | static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, |
4263 | struct sk_buff *skb) | |
2763eda6 SJ |
4264 | { |
4265 | struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; | |
4266 | struct oob_data *data; | |
4267 | ||
4268 | BT_DBG("%s", hdev->name); | |
4269 | ||
4270 | hci_dev_lock(hdev); | |
4271 | ||
d7a5a11d | 4272 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
e1ba1f15 SJ |
4273 | goto unlock; |
4274 | ||
6928a924 | 4275 | data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR); |
6665d057 MH |
4276 | if (!data) { |
4277 | struct hci_cp_remote_oob_data_neg_reply cp; | |
519ca9d0 | 4278 | |
6665d057 MH |
4279 | bacpy(&cp.bdaddr, &ev->bdaddr); |
4280 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, | |
4281 | sizeof(cp), &cp); | |
4282 | goto unlock; | |
4283 | } | |
2763eda6 | 4284 | |
6665d057 MH |
4285 | if (bredr_sc_enabled(hdev)) { |
4286 | struct hci_cp_remote_oob_ext_data_reply cp; | |
519ca9d0 | 4287 | |
6665d057 | 4288 | bacpy(&cp.bdaddr, &ev->bdaddr); |
d7a5a11d | 4289 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
6665d057 MH |
4290 | memset(cp.hash192, 0, sizeof(cp.hash192)); |
4291 | memset(cp.rand192, 0, sizeof(cp.rand192)); | |
4292 | } else { | |
4293 | memcpy(cp.hash192, data->hash192, sizeof(cp.hash192)); | |
4294 | memcpy(cp.rand192, data->rand192, sizeof(cp.rand192)); | |
519ca9d0 | 4295 | } |
6665d057 MH |
4296 | memcpy(cp.hash256, data->hash256, sizeof(cp.hash256)); |
4297 | memcpy(cp.rand256, data->rand256, sizeof(cp.rand256)); | |
4298 | ||
4299 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY, | |
4300 | sizeof(cp), &cp); | |
2763eda6 | 4301 | } else { |
6665d057 | 4302 | struct hci_cp_remote_oob_data_reply cp; |
2763eda6 SJ |
4303 | |
4304 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
6665d057 MH |
4305 | memcpy(cp.hash, data->hash192, sizeof(cp.hash)); |
4306 | memcpy(cp.rand, data->rand192, sizeof(cp.rand)); | |
4307 | ||
4308 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, | |
519ca9d0 | 4309 | sizeof(cp), &cp); |
2763eda6 SJ |
4310 | } |
4311 | ||
e1ba1f15 | 4312 | unlock: |
2763eda6 SJ |
4313 | hci_dev_unlock(hdev); |
4314 | } | |
4315 | ||
d5e91192 AE |
4316 | static void hci_phy_link_complete_evt(struct hci_dev *hdev, |
4317 | struct sk_buff *skb) | |
4318 | { | |
4319 | struct hci_ev_phy_link_complete *ev = (void *) skb->data; | |
4320 | struct hci_conn *hcon, *bredr_hcon; | |
4321 | ||
4322 | BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, | |
4323 | ev->status); | |
4324 | ||
4325 | hci_dev_lock(hdev); | |
4326 | ||
4327 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4328 | if (!hcon) { | |
4329 | hci_dev_unlock(hdev); | |
4330 | return; | |
4331 | } | |
4332 | ||
4333 | if (ev->status) { | |
4334 | hci_conn_del(hcon); | |
4335 | hci_dev_unlock(hdev); | |
4336 | return; | |
4337 | } | |
4338 | ||
4339 | bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; | |
4340 | ||
4341 | hcon->state = BT_CONNECTED; | |
4342 | bacpy(&hcon->dst, &bredr_hcon->dst); | |
4343 | ||
4344 | hci_conn_hold(hcon); | |
4345 | hcon->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 4346 | hci_conn_drop(hcon); |
d5e91192 | 4347 | |
23b9ceb7 | 4348 | hci_debugfs_create_conn(hcon); |
d5e91192 AE |
4349 | hci_conn_add_sysfs(hcon); |
4350 | ||
cf70ff22 | 4351 | amp_physical_cfm(bredr_hcon, hcon); |
d5e91192 | 4352 | |
cf70ff22 | 4353 | hci_dev_unlock(hdev); |
d5e91192 AE |
4354 | } |
4355 | ||
27695fb4 AE |
4356 | static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
4357 | { | |
4358 | struct hci_ev_logical_link_complete *ev = (void *) skb->data; | |
4359 | struct hci_conn *hcon; | |
4360 | struct hci_chan *hchan; | |
4361 | struct amp_mgr *mgr; | |
4362 | ||
4363 | BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", | |
4364 | hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, | |
4365 | ev->status); | |
4366 | ||
4367 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4368 | if (!hcon) | |
4369 | return; | |
4370 | ||
4371 | /* Create AMP hchan */ | |
4372 | hchan = hci_chan_create(hcon); | |
4373 | if (!hchan) | |
4374 | return; | |
4375 | ||
4376 | hchan->handle = le16_to_cpu(ev->handle); | |
4377 | ||
4378 | BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); | |
4379 | ||
4380 | mgr = hcon->amp_mgr; | |
4381 | if (mgr && mgr->bredr_chan) { | |
4382 | struct l2cap_chan *bredr_chan = mgr->bredr_chan; | |
4383 | ||
4384 | l2cap_chan_lock(bredr_chan); | |
4385 | ||
4386 | bredr_chan->conn->mtu = hdev->block_mtu; | |
4387 | l2cap_logical_cfm(bredr_chan, hchan, 0); | |
4388 | hci_conn_hold(hcon); | |
4389 | ||
4390 | l2cap_chan_unlock(bredr_chan); | |
4391 | } | |
4392 | } | |
4393 | ||
606e2a10 AE |
4394 | static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, |
4395 | struct sk_buff *skb) | |
4396 | { | |
4397 | struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; | |
4398 | struct hci_chan *hchan; | |
4399 | ||
4400 | BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, | |
4401 | le16_to_cpu(ev->handle), ev->status); | |
4402 | ||
4403 | if (ev->status) | |
4404 | return; | |
4405 | ||
4406 | hci_dev_lock(hdev); | |
4407 | ||
4408 | hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); | |
4409 | if (!hchan) | |
4410 | goto unlock; | |
4411 | ||
4412 | amp_destroy_logical_link(hchan, ev->reason); | |
4413 | ||
4414 | unlock: | |
4415 | hci_dev_unlock(hdev); | |
4416 | } | |
4417 | ||
9eef6b3a AE |
4418 | static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, |
4419 | struct sk_buff *skb) | |
4420 | { | |
4421 | struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; | |
4422 | struct hci_conn *hcon; | |
4423 | ||
4424 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4425 | ||
4426 | if (ev->status) | |
4427 | return; | |
4428 | ||
4429 | hci_dev_lock(hdev); | |
4430 | ||
4431 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4432 | if (hcon) { | |
4433 | hcon->state = BT_CLOSED; | |
4434 | hci_conn_del(hcon); | |
4435 | } | |
4436 | ||
4437 | hci_dev_unlock(hdev); | |
4438 | } | |
4439 | ||
6039aa73 | 4440 | static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
4441 | { |
4442 | struct hci_ev_le_conn_complete *ev = (void *) skb->data; | |
912b42ef | 4443 | struct hci_conn_params *params; |
fcd89c09 | 4444 | struct hci_conn *conn; |
68d6f6de | 4445 | struct smp_irk *irk; |
837d502e | 4446 | u8 addr_type; |
fcd89c09 | 4447 | |
9f1db00c | 4448 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
fcd89c09 VT |
4449 | |
4450 | hci_dev_lock(hdev); | |
4451 | ||
fbd96c15 JH |
4452 | /* All controllers implicitly stop advertising in the event of a |
4453 | * connection, so ensure that the state bit is cleared. | |
4454 | */ | |
a358dc11 | 4455 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
fbd96c15 | 4456 | |
b47a09b3 | 4457 | conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); |
b62f328b | 4458 | if (!conn) { |
a5c4e309 | 4459 | conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role); |
b62f328b VT |
4460 | if (!conn) { |
4461 | BT_ERR("No memory for new connection"); | |
230fd16a | 4462 | goto unlock; |
b62f328b | 4463 | } |
29b7988a AG |
4464 | |
4465 | conn->dst_type = ev->bdaddr_type; | |
b9b343d2 | 4466 | |
cb1d68f7 JH |
4467 | /* If we didn't have a hci_conn object previously |
4468 | * but we're in master role this must be something | |
4469 | * initiated using a white list. Since white list based | |
4470 | * connections are not "first class citizens" we don't | |
4471 | * have full tracking of them. Therefore, we go ahead | |
4472 | * with a "best effort" approach of determining the | |
4473 | * initiator address based on the HCI_PRIVACY flag. | |
4474 | */ | |
4475 | if (conn->out) { | |
4476 | conn->resp_addr_type = ev->bdaddr_type; | |
4477 | bacpy(&conn->resp_addr, &ev->bdaddr); | |
d7a5a11d | 4478 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
cb1d68f7 JH |
4479 | conn->init_addr_type = ADDR_LE_DEV_RANDOM; |
4480 | bacpy(&conn->init_addr, &hdev->rpa); | |
4481 | } else { | |
4482 | hci_copy_identity_address(hdev, | |
4483 | &conn->init_addr, | |
4484 | &conn->init_addr_type); | |
4485 | } | |
cb1d68f7 | 4486 | } |
9489eca4 JH |
4487 | } else { |
4488 | cancel_delayed_work(&conn->le_conn_timeout); | |
b62f328b | 4489 | } |
fcd89c09 | 4490 | |
80c24ab8 JH |
4491 | if (!conn->out) { |
4492 | /* Set the responder (our side) address type based on | |
4493 | * the advertising address type. | |
4494 | */ | |
4495 | conn->resp_addr_type = hdev->adv_addr_type; | |
4496 | if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) | |
4497 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
4498 | else | |
4499 | bacpy(&conn->resp_addr, &hdev->bdaddr); | |
4500 | ||
4501 | conn->init_addr_type = ev->bdaddr_type; | |
4502 | bacpy(&conn->init_addr, &ev->bdaddr); | |
a720d735 MH |
4503 | |
4504 | /* For incoming connections, set the default minimum | |
4505 | * and maximum connection interval. They will be used | |
4506 | * to check if the parameters are in range and if not | |
4507 | * trigger the connection update procedure. | |
4508 | */ | |
4509 | conn->le_conn_min_interval = hdev->le_conn_min_interval; | |
4510 | conn->le_conn_max_interval = hdev->le_conn_max_interval; | |
80c24ab8 | 4511 | } |
7be2edbb | 4512 | |
edb4b466 MH |
4513 | /* Lookup the identity address from the stored connection |
4514 | * address and address type. | |
4515 | * | |
4516 | * When establishing connections to an identity address, the | |
4517 | * connection procedure will store the resolvable random | |
4518 | * address first. Now if it can be converted back into the | |
4519 | * identity address, start using the identity address from | |
4520 | * now on. | |
4521 | */ | |
4522 | irk = hci_get_irk(hdev, &conn->dst, conn->dst_type); | |
68d6f6de JH |
4523 | if (irk) { |
4524 | bacpy(&conn->dst, &irk->bdaddr); | |
4525 | conn->dst_type = irk->addr_type; | |
4526 | } | |
4527 | ||
2d3c2260 JH |
4528 | if (ev->status) { |
4529 | hci_le_conn_failed(conn, ev->status); | |
837d502e JH |
4530 | goto unlock; |
4531 | } | |
4532 | ||
08853f18 JH |
4533 | if (conn->dst_type == ADDR_LE_DEV_PUBLIC) |
4534 | addr_type = BDADDR_LE_PUBLIC; | |
4535 | else | |
4536 | addr_type = BDADDR_LE_RANDOM; | |
4537 | ||
2d3c2260 JH |
4538 | /* Drop the connection if the device is blocked */ |
4539 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) { | |
4540 | hci_conn_drop(conn); | |
cd17decb AG |
4541 | goto unlock; |
4542 | } | |
4543 | ||
b644ba33 | 4544 | if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 4545 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
83bc71b4 | 4546 | |
7b5c0d52 | 4547 | conn->sec_level = BT_SECURITY_LOW; |
fcd89c09 | 4548 | conn->handle = __le16_to_cpu(ev->handle); |
0fe29fd1 | 4549 | conn->state = BT_CONFIG; |
fcd89c09 | 4550 | |
e04fde60 MH |
4551 | conn->le_conn_interval = le16_to_cpu(ev->interval); |
4552 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
4553 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
4554 | ||
23b9ceb7 | 4555 | hci_debugfs_create_conn(conn); |
fcd89c09 VT |
4556 | hci_conn_add_sysfs(conn); |
4557 | ||
0fe29fd1 MH |
4558 | if (!ev->status) { |
4559 | /* The remote features procedure is defined for master | |
4560 | * role only. So only in case of an initiated connection | |
4561 | * request the remote features. | |
4562 | * | |
4563 | * If the local controller supports slave-initiated features | |
4564 | * exchange, then requesting the remote features in slave | |
4565 | * role is possible. Otherwise just transition into the | |
4566 | * connected state without requesting the remote features. | |
4567 | */ | |
4568 | if (conn->out || | |
4569 | (hdev->le_features[0] & HCI_LE_SLAVE_FEATURES)) { | |
4570 | struct hci_cp_le_read_remote_features cp; | |
4571 | ||
4572 | cp.handle = __cpu_to_le16(conn->handle); | |
4573 | ||
4574 | hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES, | |
4575 | sizeof(cp), &cp); | |
4576 | ||
4577 | hci_conn_hold(conn); | |
4578 | } else { | |
4579 | conn->state = BT_CONNECTED; | |
4580 | hci_connect_cfm(conn, ev->status); | |
4581 | } | |
4582 | } else { | |
4583 | hci_connect_cfm(conn, ev->status); | |
4584 | } | |
fcd89c09 | 4585 | |
5477610f JH |
4586 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst, |
4587 | conn->dst_type); | |
f161dd41 | 4588 | if (params) { |
95305baa | 4589 | list_del_init(¶ms->action); |
f161dd41 JH |
4590 | if (params->conn) { |
4591 | hci_conn_drop(params->conn); | |
f8aaf9b6 | 4592 | hci_conn_put(params->conn); |
f161dd41 JH |
4593 | params->conn = NULL; |
4594 | } | |
4595 | } | |
a4790dbd | 4596 | |
fcd89c09 | 4597 | unlock: |
223683a5 | 4598 | hci_update_background_scan(hdev); |
fcd89c09 VT |
4599 | hci_dev_unlock(hdev); |
4600 | } | |
4601 | ||
1855d92d MH |
4602 | static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, |
4603 | struct sk_buff *skb) | |
4604 | { | |
4605 | struct hci_ev_le_conn_update_complete *ev = (void *) skb->data; | |
4606 | struct hci_conn *conn; | |
4607 | ||
4608 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
4609 | ||
4610 | if (ev->status) | |
4611 | return; | |
4612 | ||
4613 | hci_dev_lock(hdev); | |
4614 | ||
4615 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4616 | if (conn) { | |
4617 | conn->le_conn_interval = le16_to_cpu(ev->interval); | |
4618 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
4619 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
4620 | } | |
4621 | ||
4622 | hci_dev_unlock(hdev); | |
4623 | } | |
4624 | ||
a4790dbd | 4625 | /* This function requires the caller holds hdev->lock */ |
fd45ada9 AA |
4626 | static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, |
4627 | bdaddr_t *addr, | |
4628 | u8 addr_type, u8 adv_type) | |
a4790dbd AG |
4629 | { |
4630 | struct hci_conn *conn; | |
4b9e7e75 | 4631 | struct hci_conn_params *params; |
a4790dbd | 4632 | |
1c1abcab JH |
4633 | /* If the event is not connectable don't proceed further */ |
4634 | if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND) | |
fd45ada9 | 4635 | return NULL; |
1c1abcab JH |
4636 | |
4637 | /* Ignore if the device is blocked */ | |
dcc36c16 | 4638 | if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) |
fd45ada9 | 4639 | return NULL; |
1c1abcab | 4640 | |
f99353cf JH |
4641 | /* Most controller will fail if we try to create new connections |
4642 | * while we have an existing one in slave role. | |
4643 | */ | |
4644 | if (hdev->conn_hash.le_num_slave > 0) | |
fd45ada9 | 4645 | return NULL; |
f99353cf | 4646 | |
1c1abcab JH |
4647 | /* If we're not connectable only connect devices that we have in |
4648 | * our pend_le_conns list. | |
4649 | */ | |
4b9e7e75 MH |
4650 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, |
4651 | addr, addr_type); | |
4652 | if (!params) | |
fd45ada9 | 4653 | return NULL; |
4b9e7e75 MH |
4654 | |
4655 | switch (params->auto_connect) { | |
4656 | case HCI_AUTO_CONN_DIRECT: | |
4657 | /* Only devices advertising with ADV_DIRECT_IND are | |
4658 | * triggering a connection attempt. This is allowing | |
4659 | * incoming connections from slave devices. | |
4660 | */ | |
4661 | if (adv_type != LE_ADV_DIRECT_IND) | |
fd45ada9 | 4662 | return NULL; |
4b9e7e75 MH |
4663 | break; |
4664 | case HCI_AUTO_CONN_ALWAYS: | |
4665 | /* Devices advertising with ADV_IND or ADV_DIRECT_IND | |
4666 | * are triggering a connection attempt. This means | |
4667 | * that incoming connectioms from slave device are | |
4668 | * accepted and also outgoing connections to slave | |
4669 | * devices are established when found. | |
4670 | */ | |
4671 | break; | |
4672 | default: | |
fd45ada9 | 4673 | return NULL; |
4b9e7e75 | 4674 | } |
a4790dbd AG |
4675 | |
4676 | conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, | |
e804d25d | 4677 | HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER); |
f161dd41 JH |
4678 | if (!IS_ERR(conn)) { |
4679 | /* Store the pointer since we don't really have any | |
4680 | * other owner of the object besides the params that | |
4681 | * triggered it. This way we can abort the connection if | |
4682 | * the parameters get removed and keep the reference | |
4683 | * count consistent once the connection is established. | |
4684 | */ | |
f8aaf9b6 | 4685 | params->conn = hci_conn_get(conn); |
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 | ||
bea710fe | 4958 | memcpy(cp.ltk, ltk->val, sizeof(ltk->val)); |
a7a595f6 | 4959 | cp.handle = cpu_to_le16(conn->handle); |
c9839a11 | 4960 | |
a6f7833c | 4961 | conn->pending_sec_level = smp_ltk_sec_level(ltk); |
a7a595f6 | 4962 | |
89cbb4da | 4963 | conn->enc_key_size = ltk->enc_size; |
a7a595f6 VCG |
4964 | |
4965 | hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); | |
4966 | ||
5981a882 CT |
4967 | /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a |
4968 | * temporary key used to encrypt a connection following | |
4969 | * pairing. It is used during the Encrypted Session Setup to | |
4970 | * distribute the keys. Later, security can be re-established | |
4971 | * using a distributed LTK. | |
4972 | */ | |
2ceba539 | 4973 | if (ltk->type == SMP_STK) { |
fe59a05f | 4974 | set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
970d0f1b JH |
4975 | list_del_rcu(<k->list); |
4976 | kfree_rcu(ltk, rcu); | |
fe59a05f JH |
4977 | } else { |
4978 | clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); | |
c9839a11 VCG |
4979 | } |
4980 | ||
a7a595f6 | 4981 | hci_dev_unlock(hdev); |
bea710fe VCG |
4982 | |
4983 | return; | |
4984 | ||
4985 | not_found: | |
4986 | neg.handle = ev->handle; | |
4987 | hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); | |
4988 | hci_dev_unlock(hdev); | |
a7a595f6 VCG |
4989 | } |
4990 | ||
8e75b46a AG |
4991 | static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle, |
4992 | u8 reason) | |
4993 | { | |
4994 | struct hci_cp_le_conn_param_req_neg_reply cp; | |
4995 | ||
4996 | cp.handle = cpu_to_le16(handle); | |
4997 | cp.reason = reason; | |
4998 | ||
4999 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp), | |
5000 | &cp); | |
5001 | } | |
5002 | ||
5003 | static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev, | |
5004 | struct sk_buff *skb) | |
5005 | { | |
5006 | struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data; | |
5007 | struct hci_cp_le_conn_param_req_reply cp; | |
5008 | struct hci_conn *hcon; | |
5009 | u16 handle, min, max, latency, timeout; | |
5010 | ||
5011 | handle = le16_to_cpu(ev->handle); | |
5012 | min = le16_to_cpu(ev->interval_min); | |
5013 | max = le16_to_cpu(ev->interval_max); | |
5014 | latency = le16_to_cpu(ev->latency); | |
5015 | timeout = le16_to_cpu(ev->timeout); | |
5016 | ||
5017 | hcon = hci_conn_hash_lookup_handle(hdev, handle); | |
5018 | if (!hcon || hcon->state != BT_CONNECTED) | |
5019 | return send_conn_param_neg_reply(hdev, handle, | |
5020 | HCI_ERROR_UNKNOWN_CONN_ID); | |
5021 | ||
5022 | if (hci_check_conn_params(min, max, latency, timeout)) | |
5023 | return send_conn_param_neg_reply(hdev, handle, | |
5024 | HCI_ERROR_INVALID_LL_PARAMS); | |
5025 | ||
40bef302 | 5026 | if (hcon->role == HCI_ROLE_MASTER) { |
348d50b8 | 5027 | struct hci_conn_params *params; |
f4869e2a | 5028 | u8 store_hint; |
348d50b8 JH |
5029 | |
5030 | hci_dev_lock(hdev); | |
5031 | ||
5032 | params = hci_conn_params_lookup(hdev, &hcon->dst, | |
5033 | hcon->dst_type); | |
5034 | if (params) { | |
5035 | params->conn_min_interval = min; | |
5036 | params->conn_max_interval = max; | |
5037 | params->conn_latency = latency; | |
5038 | params->supervision_timeout = timeout; | |
f4869e2a JH |
5039 | store_hint = 0x01; |
5040 | } else{ | |
5041 | store_hint = 0x00; | |
348d50b8 JH |
5042 | } |
5043 | ||
5044 | hci_dev_unlock(hdev); | |
5045 | ||
f4869e2a JH |
5046 | mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type, |
5047 | store_hint, min, max, latency, timeout); | |
348d50b8 | 5048 | } |
ffb5a827 | 5049 | |
8e75b46a AG |
5050 | cp.handle = ev->handle; |
5051 | cp.interval_min = ev->interval_min; | |
5052 | cp.interval_max = ev->interval_max; | |
5053 | cp.latency = ev->latency; | |
5054 | cp.timeout = ev->timeout; | |
5055 | cp.min_ce_len = 0; | |
5056 | cp.max_ce_len = 0; | |
5057 | ||
5058 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp); | |
5059 | } | |
5060 | ||
2f010b55 MH |
5061 | static void hci_le_direct_adv_report_evt(struct hci_dev *hdev, |
5062 | struct sk_buff *skb) | |
5063 | { | |
5064 | u8 num_reports = skb->data[0]; | |
5065 | void *ptr = &skb->data[1]; | |
5066 | ||
5067 | hci_dev_lock(hdev); | |
5068 | ||
5069 | while (num_reports--) { | |
5070 | struct hci_ev_le_direct_adv_info *ev = ptr; | |
5071 | ||
5072 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, | |
5073 | ev->bdaddr_type, &ev->direct_addr, | |
5074 | ev->direct_addr_type, ev->rssi, NULL, 0); | |
5075 | ||
5076 | ptr += sizeof(*ev); | |
5077 | } | |
5078 | ||
5079 | hci_dev_unlock(hdev); | |
5080 | } | |
5081 | ||
6039aa73 | 5082 | static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
5083 | { |
5084 | struct hci_ev_le_meta *le_ev = (void *) skb->data; | |
5085 | ||
5086 | skb_pull(skb, sizeof(*le_ev)); | |
5087 | ||
5088 | switch (le_ev->subevent) { | |
5089 | case HCI_EV_LE_CONN_COMPLETE: | |
5090 | hci_le_conn_complete_evt(hdev, skb); | |
5091 | break; | |
5092 | ||
1855d92d MH |
5093 | case HCI_EV_LE_CONN_UPDATE_COMPLETE: |
5094 | hci_le_conn_update_complete_evt(hdev, skb); | |
5095 | break; | |
5096 | ||
9aa04c91 AG |
5097 | case HCI_EV_LE_ADVERTISING_REPORT: |
5098 | hci_le_adv_report_evt(hdev, skb); | |
5099 | break; | |
5100 | ||
0fe29fd1 MH |
5101 | case HCI_EV_LE_REMOTE_FEAT_COMPLETE: |
5102 | hci_le_remote_feat_complete_evt(hdev, skb); | |
5103 | break; | |
5104 | ||
a7a595f6 VCG |
5105 | case HCI_EV_LE_LTK_REQ: |
5106 | hci_le_ltk_request_evt(hdev, skb); | |
5107 | break; | |
5108 | ||
8e75b46a AG |
5109 | case HCI_EV_LE_REMOTE_CONN_PARAM_REQ: |
5110 | hci_le_remote_conn_param_req_evt(hdev, skb); | |
5111 | break; | |
5112 | ||
2f010b55 MH |
5113 | case HCI_EV_LE_DIRECT_ADV_REPORT: |
5114 | hci_le_direct_adv_report_evt(hdev, skb); | |
5115 | break; | |
5116 | ||
fcd89c09 VT |
5117 | default: |
5118 | break; | |
5119 | } | |
5120 | } | |
5121 | ||
9495b2ee AE |
5122 | static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5123 | { | |
5124 | struct hci_ev_channel_selected *ev = (void *) skb->data; | |
5125 | struct hci_conn *hcon; | |
5126 | ||
5127 | BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); | |
5128 | ||
5129 | skb_pull(skb, sizeof(*ev)); | |
5130 | ||
5131 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
5132 | if (!hcon) | |
5133 | return; | |
5134 | ||
5135 | amp_read_loc_assoc_final_data(hdev, hcon); | |
5136 | } | |
5137 | ||
757aa0b5 JH |
5138 | static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode, |
5139 | u8 event, struct sk_buff *skb) | |
5140 | { | |
5141 | struct hci_ev_cmd_complete *ev; | |
5142 | struct hci_event_hdr *hdr; | |
5143 | ||
5144 | if (!skb) | |
5145 | return false; | |
5146 | ||
5147 | if (skb->len < sizeof(*hdr)) { | |
5148 | BT_ERR("Too short HCI event"); | |
5149 | return false; | |
5150 | } | |
5151 | ||
5152 | hdr = (void *) skb->data; | |
5153 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5154 | ||
5155 | if (event) { | |
5156 | if (hdr->evt != event) | |
5157 | return false; | |
5158 | return true; | |
5159 | } | |
5160 | ||
5161 | if (hdr->evt != HCI_EV_CMD_COMPLETE) { | |
5162 | BT_DBG("Last event is not cmd complete (0x%2.2x)", hdr->evt); | |
5163 | return false; | |
5164 | } | |
5165 | ||
5166 | if (skb->len < sizeof(*ev)) { | |
5167 | BT_ERR("Too short cmd_complete event"); | |
5168 | return false; | |
5169 | } | |
5170 | ||
5171 | ev = (void *) skb->data; | |
5172 | skb_pull(skb, sizeof(*ev)); | |
5173 | ||
5174 | if (opcode != __le16_to_cpu(ev->opcode)) { | |
5175 | BT_DBG("opcode doesn't match (0x%2.2x != 0x%2.2x)", opcode, | |
5176 | __le16_to_cpu(ev->opcode)); | |
5177 | return false; | |
5178 | } | |
5179 | ||
5180 | return true; | |
5181 | } | |
5182 | ||
a9de9248 MH |
5183 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
5184 | { | |
5185 | struct hci_event_hdr *hdr = (void *) skb->data; | |
e6214487 JH |
5186 | hci_req_complete_t req_complete = NULL; |
5187 | hci_req_complete_skb_t req_complete_skb = NULL; | |
5188 | struct sk_buff *orig_skb = NULL; | |
757aa0b5 | 5189 | u8 status = 0, event = hdr->evt, req_evt = 0; |
e6214487 | 5190 | u16 opcode = HCI_OP_NOP; |
a9de9248 | 5191 | |
db6e3e8d | 5192 | if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) { |
c1f23a2b | 5193 | struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; |
e6214487 JH |
5194 | opcode = __le16_to_cpu(cmd_hdr->opcode); |
5195 | hci_req_cmd_complete(hdev, opcode, status, &req_complete, | |
5196 | &req_complete_skb); | |
757aa0b5 | 5197 | req_evt = event; |
02350a72 JH |
5198 | } |
5199 | ||
e6214487 JH |
5200 | /* If it looks like we might end up having to call |
5201 | * req_complete_skb, store a pristine copy of the skb since the | |
5202 | * various handlers may modify the original one through | |
5203 | * skb_pull() calls, etc. | |
5204 | */ | |
5205 | if (req_complete_skb || event == HCI_EV_CMD_STATUS || | |
5206 | event == HCI_EV_CMD_COMPLETE) | |
5207 | orig_skb = skb_clone(skb, GFP_KERNEL); | |
5208 | ||
5209 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5210 | ||
a9de9248 | 5211 | switch (event) { |
1da177e4 LT |
5212 | case HCI_EV_INQUIRY_COMPLETE: |
5213 | hci_inquiry_complete_evt(hdev, skb); | |
5214 | break; | |
5215 | ||
5216 | case HCI_EV_INQUIRY_RESULT: | |
5217 | hci_inquiry_result_evt(hdev, skb); | |
5218 | break; | |
5219 | ||
a9de9248 MH |
5220 | case HCI_EV_CONN_COMPLETE: |
5221 | hci_conn_complete_evt(hdev, skb); | |
21d9e30e MH |
5222 | break; |
5223 | ||
1da177e4 LT |
5224 | case HCI_EV_CONN_REQUEST: |
5225 | hci_conn_request_evt(hdev, skb); | |
5226 | break; | |
5227 | ||
1da177e4 LT |
5228 | case HCI_EV_DISCONN_COMPLETE: |
5229 | hci_disconn_complete_evt(hdev, skb); | |
5230 | break; | |
5231 | ||
1da177e4 LT |
5232 | case HCI_EV_AUTH_COMPLETE: |
5233 | hci_auth_complete_evt(hdev, skb); | |
5234 | break; | |
5235 | ||
a9de9248 MH |
5236 | case HCI_EV_REMOTE_NAME: |
5237 | hci_remote_name_evt(hdev, skb); | |
5238 | break; | |
5239 | ||
1da177e4 LT |
5240 | case HCI_EV_ENCRYPT_CHANGE: |
5241 | hci_encrypt_change_evt(hdev, skb); | |
5242 | break; | |
5243 | ||
a9de9248 MH |
5244 | case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
5245 | hci_change_link_key_complete_evt(hdev, skb); | |
5246 | break; | |
5247 | ||
5248 | case HCI_EV_REMOTE_FEATURES: | |
5249 | hci_remote_features_evt(hdev, skb); | |
5250 | break; | |
5251 | ||
a9de9248 | 5252 | case HCI_EV_CMD_COMPLETE: |
e6214487 JH |
5253 | hci_cmd_complete_evt(hdev, skb, &opcode, &status, |
5254 | &req_complete, &req_complete_skb); | |
a9de9248 MH |
5255 | break; |
5256 | ||
5257 | case HCI_EV_CMD_STATUS: | |
e6214487 JH |
5258 | hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete, |
5259 | &req_complete_skb); | |
a9de9248 MH |
5260 | break; |
5261 | ||
24dfa343 MH |
5262 | case HCI_EV_HARDWARE_ERROR: |
5263 | hci_hardware_error_evt(hdev, skb); | |
5264 | break; | |
5265 | ||
a9de9248 MH |
5266 | case HCI_EV_ROLE_CHANGE: |
5267 | hci_role_change_evt(hdev, skb); | |
5268 | break; | |
5269 | ||
5270 | case HCI_EV_NUM_COMP_PKTS: | |
5271 | hci_num_comp_pkts_evt(hdev, skb); | |
5272 | break; | |
5273 | ||
5274 | case HCI_EV_MODE_CHANGE: | |
5275 | hci_mode_change_evt(hdev, skb); | |
1da177e4 LT |
5276 | break; |
5277 | ||
5278 | case HCI_EV_PIN_CODE_REQ: | |
5279 | hci_pin_code_request_evt(hdev, skb); | |
5280 | break; | |
5281 | ||
5282 | case HCI_EV_LINK_KEY_REQ: | |
5283 | hci_link_key_request_evt(hdev, skb); | |
5284 | break; | |
5285 | ||
5286 | case HCI_EV_LINK_KEY_NOTIFY: | |
5287 | hci_link_key_notify_evt(hdev, skb); | |
5288 | break; | |
5289 | ||
5290 | case HCI_EV_CLOCK_OFFSET: | |
5291 | hci_clock_offset_evt(hdev, skb); | |
5292 | break; | |
5293 | ||
a8746417 MH |
5294 | case HCI_EV_PKT_TYPE_CHANGE: |
5295 | hci_pkt_type_change_evt(hdev, skb); | |
5296 | break; | |
5297 | ||
85a1e930 MH |
5298 | case HCI_EV_PSCAN_REP_MODE: |
5299 | hci_pscan_rep_mode_evt(hdev, skb); | |
5300 | break; | |
5301 | ||
a9de9248 MH |
5302 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
5303 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
04837f64 MH |
5304 | break; |
5305 | ||
a9de9248 MH |
5306 | case HCI_EV_REMOTE_EXT_FEATURES: |
5307 | hci_remote_ext_features_evt(hdev, skb); | |
1da177e4 LT |
5308 | break; |
5309 | ||
a9de9248 MH |
5310 | case HCI_EV_SYNC_CONN_COMPLETE: |
5311 | hci_sync_conn_complete_evt(hdev, skb); | |
5312 | break; | |
1da177e4 | 5313 | |
a9de9248 MH |
5314 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
5315 | hci_extended_inquiry_result_evt(hdev, skb); | |
5316 | break; | |
1da177e4 | 5317 | |
1c2e0041 JH |
5318 | case HCI_EV_KEY_REFRESH_COMPLETE: |
5319 | hci_key_refresh_complete_evt(hdev, skb); | |
5320 | break; | |
5321 | ||
0493684e MH |
5322 | case HCI_EV_IO_CAPA_REQUEST: |
5323 | hci_io_capa_request_evt(hdev, skb); | |
5324 | break; | |
5325 | ||
03b555e1 JH |
5326 | case HCI_EV_IO_CAPA_REPLY: |
5327 | hci_io_capa_reply_evt(hdev, skb); | |
5328 | break; | |
5329 | ||
a5c29683 JH |
5330 | case HCI_EV_USER_CONFIRM_REQUEST: |
5331 | hci_user_confirm_request_evt(hdev, skb); | |
5332 | break; | |
5333 | ||
1143d458 BG |
5334 | case HCI_EV_USER_PASSKEY_REQUEST: |
5335 | hci_user_passkey_request_evt(hdev, skb); | |
5336 | break; | |
5337 | ||
92a25256 JH |
5338 | case HCI_EV_USER_PASSKEY_NOTIFY: |
5339 | hci_user_passkey_notify_evt(hdev, skb); | |
5340 | break; | |
5341 | ||
5342 | case HCI_EV_KEYPRESS_NOTIFY: | |
5343 | hci_keypress_notify_evt(hdev, skb); | |
5344 | break; | |
5345 | ||
0493684e MH |
5346 | case HCI_EV_SIMPLE_PAIR_COMPLETE: |
5347 | hci_simple_pair_complete_evt(hdev, skb); | |
5348 | break; | |
5349 | ||
41a96212 MH |
5350 | case HCI_EV_REMOTE_HOST_FEATURES: |
5351 | hci_remote_host_features_evt(hdev, skb); | |
5352 | break; | |
5353 | ||
fcd89c09 VT |
5354 | case HCI_EV_LE_META: |
5355 | hci_le_meta_evt(hdev, skb); | |
5356 | break; | |
5357 | ||
9495b2ee AE |
5358 | case HCI_EV_CHANNEL_SELECTED: |
5359 | hci_chan_selected_evt(hdev, skb); | |
5360 | break; | |
5361 | ||
2763eda6 SJ |
5362 | case HCI_EV_REMOTE_OOB_DATA_REQUEST: |
5363 | hci_remote_oob_data_request_evt(hdev, skb); | |
5364 | break; | |
5365 | ||
d5e91192 AE |
5366 | case HCI_EV_PHY_LINK_COMPLETE: |
5367 | hci_phy_link_complete_evt(hdev, skb); | |
5368 | break; | |
5369 | ||
27695fb4 AE |
5370 | case HCI_EV_LOGICAL_LINK_COMPLETE: |
5371 | hci_loglink_complete_evt(hdev, skb); | |
5372 | break; | |
5373 | ||
606e2a10 AE |
5374 | case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: |
5375 | hci_disconn_loglink_complete_evt(hdev, skb); | |
5376 | break; | |
5377 | ||
9eef6b3a AE |
5378 | case HCI_EV_DISCONN_PHY_LINK_COMPLETE: |
5379 | hci_disconn_phylink_complete_evt(hdev, skb); | |
5380 | break; | |
5381 | ||
25e89e99 AE |
5382 | case HCI_EV_NUM_COMP_BLOCKS: |
5383 | hci_num_comp_blocks_evt(hdev, skb); | |
5384 | break; | |
5385 | ||
a9de9248 | 5386 | default: |
9f1db00c | 5387 | BT_DBG("%s event 0x%2.2x", hdev->name, event); |
1da177e4 LT |
5388 | break; |
5389 | } | |
5390 | ||
757aa0b5 | 5391 | if (req_complete) { |
e6214487 | 5392 | req_complete(hdev, status, opcode); |
757aa0b5 JH |
5393 | } else if (req_complete_skb) { |
5394 | if (!hci_get_cmd_complete(hdev, opcode, req_evt, orig_skb)) { | |
5395 | kfree_skb(orig_skb); | |
5396 | orig_skb = NULL; | |
5397 | } | |
e6214487 | 5398 | req_complete_skb(hdev, status, opcode, orig_skb); |
757aa0b5 | 5399 | } |
e6214487 JH |
5400 | |
5401 | kfree_skb(orig_skb); | |
1da177e4 LT |
5402 | kfree_skb(skb); |
5403 | hdev->stat.evt_rx++; | |
5404 | } |