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" |
145373cb | 38 | #include "msft.h" |
1da177e4 | 39 | |
aa5b0345 MH |
40 | #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \ |
41 | "\x00\x00\x00\x00\x00\x00\x00\x00" | |
42 | ||
1da177e4 LT |
43 | /* Handle HCI Event packets */ |
44 | ||
adf1d692 SS |
45 | static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb, |
46 | u8 *new_status) | |
1da177e4 | 47 | { |
a9de9248 | 48 | __u8 status = *((__u8 *) skb->data); |
1da177e4 | 49 | |
9f1db00c | 50 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 51 | |
adf1d692 SS |
52 | /* It is possible that we receive Inquiry Complete event right |
53 | * before we receive Inquiry Cancel Command Complete event, in | |
54 | * which case the latter event should have status of Command | |
55 | * Disallowed (0x0c). This should not be treated as error, since | |
56 | * we actually achieve what Inquiry Cancel wants to achieve, | |
57 | * which is to end the last Inquiry session. | |
58 | */ | |
59 | if (status == 0x0c && !test_bit(HCI_INQUIRY, &hdev->flags)) { | |
60 | bt_dev_warn(hdev, "Ignoring error of Inquiry Cancel command"); | |
61 | status = 0x00; | |
62 | } | |
63 | ||
64 | *new_status = status; | |
65 | ||
82f4785c | 66 | if (status) |
a9de9248 | 67 | return; |
1da177e4 | 68 | |
89352e7d | 69 | clear_bit(HCI_INQUIRY, &hdev->flags); |
4e857c58 | 70 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e | 71 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
89352e7d | 72 | |
50143a43 | 73 | hci_dev_lock(hdev); |
168b8a25 JP |
74 | /* Set discovery state to stopped if we're not doing LE active |
75 | * scanning. | |
76 | */ | |
77 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
78 | hdev->le_scan_type != LE_SCAN_ACTIVE) | |
79 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
50143a43 JH |
80 | hci_dev_unlock(hdev); |
81 | ||
a9de9248 MH |
82 | hci_conn_check_pending(hdev); |
83 | } | |
6bd57416 | 84 | |
4d93483b AG |
85 | static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
86 | { | |
87 | __u8 status = *((__u8 *) skb->data); | |
88 | ||
9f1db00c | 89 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
ae854a70 AG |
90 | |
91 | if (status) | |
92 | return; | |
93 | ||
a1536da2 | 94 | hci_dev_set_flag(hdev, HCI_PERIODIC_INQ); |
4d93483b AG |
95 | } |
96 | ||
a9de9248 MH |
97 | static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) |
98 | { | |
99 | __u8 status = *((__u8 *) skb->data); | |
6bd57416 | 100 | |
9f1db00c | 101 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
6bd57416 | 102 | |
a9de9248 MH |
103 | if (status) |
104 | return; | |
1da177e4 | 105 | |
a358dc11 | 106 | hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); |
ae854a70 | 107 | |
a9de9248 MH |
108 | hci_conn_check_pending(hdev); |
109 | } | |
110 | ||
807deac2 GP |
111 | static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, |
112 | struct sk_buff *skb) | |
a9de9248 MH |
113 | { |
114 | BT_DBG("%s", hdev->name); | |
115 | } | |
116 | ||
117 | static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) | |
118 | { | |
119 | struct hci_rp_role_discovery *rp = (void *) skb->data; | |
120 | struct hci_conn *conn; | |
121 | ||
9f1db00c | 122 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
123 | |
124 | if (rp->status) | |
125 | return; | |
126 | ||
127 | hci_dev_lock(hdev); | |
128 | ||
129 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
40bef302 JH |
130 | if (conn) |
131 | conn->role = rp->role; | |
a9de9248 MH |
132 | |
133 | hci_dev_unlock(hdev); | |
1da177e4 LT |
134 | } |
135 | ||
e4e8e37c MH |
136 | static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
137 | { | |
138 | struct hci_rp_read_link_policy *rp = (void *) skb->data; | |
139 | struct hci_conn *conn; | |
140 | ||
9f1db00c | 141 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
e4e8e37c MH |
142 | |
143 | if (rp->status) | |
144 | return; | |
145 | ||
146 | hci_dev_lock(hdev); | |
147 | ||
148 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
149 | if (conn) | |
150 | conn->link_policy = __le16_to_cpu(rp->policy); | |
151 | ||
152 | hci_dev_unlock(hdev); | |
153 | } | |
154 | ||
a9de9248 | 155 | static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 156 | { |
a9de9248 | 157 | struct hci_rp_write_link_policy *rp = (void *) skb->data; |
1da177e4 | 158 | struct hci_conn *conn; |
04837f64 | 159 | void *sent; |
1da177e4 | 160 | |
9f1db00c | 161 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 162 | |
a9de9248 MH |
163 | if (rp->status) |
164 | return; | |
1da177e4 | 165 | |
a9de9248 MH |
166 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY); |
167 | if (!sent) | |
168 | return; | |
1da177e4 | 169 | |
a9de9248 | 170 | hci_dev_lock(hdev); |
1da177e4 | 171 | |
a9de9248 | 172 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); |
e4e8e37c | 173 | if (conn) |
83985319 | 174 | conn->link_policy = get_unaligned_le16(sent + 2); |
1da177e4 | 175 | |
a9de9248 MH |
176 | hci_dev_unlock(hdev); |
177 | } | |
1da177e4 | 178 | |
807deac2 GP |
179 | static void hci_cc_read_def_link_policy(struct hci_dev *hdev, |
180 | struct sk_buff *skb) | |
e4e8e37c MH |
181 | { |
182 | struct hci_rp_read_def_link_policy *rp = (void *) skb->data; | |
183 | ||
9f1db00c | 184 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
e4e8e37c MH |
185 | |
186 | if (rp->status) | |
187 | return; | |
188 | ||
189 | hdev->link_policy = __le16_to_cpu(rp->policy); | |
190 | } | |
191 | ||
807deac2 GP |
192 | static void hci_cc_write_def_link_policy(struct hci_dev *hdev, |
193 | struct sk_buff *skb) | |
e4e8e37c MH |
194 | { |
195 | __u8 status = *((__u8 *) skb->data); | |
196 | void *sent; | |
197 | ||
9f1db00c | 198 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
e4e8e37c | 199 | |
45296acd MH |
200 | if (status) |
201 | return; | |
202 | ||
e4e8e37c MH |
203 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); |
204 | if (!sent) | |
205 | return; | |
206 | ||
45296acd | 207 | hdev->link_policy = get_unaligned_le16(sent); |
e4e8e37c MH |
208 | } |
209 | ||
a9de9248 MH |
210 | static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) |
211 | { | |
212 | __u8 status = *((__u8 *) skb->data); | |
04837f64 | 213 | |
9f1db00c | 214 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 215 | |
10572132 GP |
216 | clear_bit(HCI_RESET, &hdev->flags); |
217 | ||
8761f9d6 MH |
218 | if (status) |
219 | return; | |
220 | ||
a297e97c | 221 | /* Reset all non-persistent flags */ |
eacb44df | 222 | hci_dev_clear_volatile_flags(hdev); |
69775ff6 | 223 | |
39c5d970 JH |
224 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
225 | ||
bbaf444a JH |
226 | hdev->inq_tx_power = HCI_TX_POWER_INVALID; |
227 | hdev->adv_tx_power = HCI_TX_POWER_INVALID; | |
3f0f524b JH |
228 | |
229 | memset(hdev->adv_data, 0, sizeof(hdev->adv_data)); | |
230 | hdev->adv_data_len = 0; | |
f8e808bd MH |
231 | |
232 | memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data)); | |
233 | hdev->scan_rsp_data_len = 0; | |
06f5b778 | 234 | |
533553f8 MH |
235 | hdev->le_scan_type = LE_SCAN_PASSIVE; |
236 | ||
06f5b778 | 237 | hdev->ssp_debug_mode = 0; |
a4d5504d MH |
238 | |
239 | hci_bdaddr_list_clear(&hdev->le_white_list); | |
cfdb0c2d | 240 | hci_bdaddr_list_clear(&hdev->le_resolv_list); |
a9de9248 | 241 | } |
04837f64 | 242 | |
c2f0f979 MH |
243 | static void hci_cc_read_stored_link_key(struct hci_dev *hdev, |
244 | struct sk_buff *skb) | |
245 | { | |
246 | struct hci_rp_read_stored_link_key *rp = (void *)skb->data; | |
247 | struct hci_cp_read_stored_link_key *sent; | |
248 | ||
249 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
250 | ||
251 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY); | |
252 | if (!sent) | |
253 | return; | |
254 | ||
255 | if (!rp->status && sent->read_all == 0x01) { | |
256 | hdev->stored_max_keys = rp->max_keys; | |
257 | hdev->stored_num_keys = rp->num_keys; | |
258 | } | |
259 | } | |
260 | ||
a9366120 MH |
261 | static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, |
262 | struct sk_buff *skb) | |
263 | { | |
264 | struct hci_rp_delete_stored_link_key *rp = (void *)skb->data; | |
265 | ||
266 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
267 | ||
268 | if (rp->status) | |
269 | return; | |
270 | ||
271 | if (rp->num_keys <= hdev->stored_num_keys) | |
272 | hdev->stored_num_keys -= rp->num_keys; | |
273 | else | |
274 | hdev->stored_num_keys = 0; | |
275 | } | |
276 | ||
a9de9248 MH |
277 | static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) |
278 | { | |
279 | __u8 status = *((__u8 *) skb->data); | |
280 | void *sent; | |
04837f64 | 281 | |
9f1db00c | 282 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 283 | |
a9de9248 MH |
284 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); |
285 | if (!sent) | |
286 | return; | |
04837f64 | 287 | |
56e5cb86 JH |
288 | hci_dev_lock(hdev); |
289 | ||
d7a5a11d | 290 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
f51d5b24 | 291 | mgmt_set_local_name_complete(hdev, sent, status); |
28cc7bde JH |
292 | else if (!status) |
293 | memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); | |
f51d5b24 | 294 | |
56e5cb86 | 295 | hci_dev_unlock(hdev); |
a9de9248 MH |
296 | } |
297 | ||
298 | static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) | |
299 | { | |
300 | struct hci_rp_read_local_name *rp = (void *) skb->data; | |
301 | ||
9f1db00c | 302 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
303 | |
304 | if (rp->status) | |
305 | return; | |
306 | ||
d7a5a11d MH |
307 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
308 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
db99b5fc | 309 | memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); |
a9de9248 MH |
310 | } |
311 | ||
312 | static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) | |
313 | { | |
314 | __u8 status = *((__u8 *) skb->data); | |
315 | void *sent; | |
316 | ||
9f1db00c | 317 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
318 | |
319 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); | |
320 | if (!sent) | |
321 | return; | |
322 | ||
5c1a4c8f JK |
323 | hci_dev_lock(hdev); |
324 | ||
a9de9248 MH |
325 | if (!status) { |
326 | __u8 param = *((__u8 *) sent); | |
327 | ||
328 | if (param == AUTH_ENABLED) | |
329 | set_bit(HCI_AUTH, &hdev->flags); | |
330 | else | |
331 | clear_bit(HCI_AUTH, &hdev->flags); | |
1da177e4 | 332 | } |
a9de9248 | 333 | |
d7a5a11d | 334 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
33ef95ed | 335 | mgmt_auth_enable_complete(hdev, status); |
5c1a4c8f JK |
336 | |
337 | hci_dev_unlock(hdev); | |
1da177e4 LT |
338 | } |
339 | ||
a9de9248 | 340 | static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 341 | { |
a9de9248 | 342 | __u8 status = *((__u8 *) skb->data); |
45296acd | 343 | __u8 param; |
1da177e4 LT |
344 | void *sent; |
345 | ||
9f1db00c | 346 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 347 | |
45296acd MH |
348 | if (status) |
349 | return; | |
350 | ||
a9de9248 MH |
351 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); |
352 | if (!sent) | |
353 | return; | |
1da177e4 | 354 | |
45296acd | 355 | param = *((__u8 *) sent); |
a9de9248 | 356 | |
45296acd MH |
357 | if (param) |
358 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
359 | else | |
360 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
a9de9248 | 361 | } |
1da177e4 | 362 | |
a9de9248 MH |
363 | static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) |
364 | { | |
45296acd MH |
365 | __u8 status = *((__u8 *) skb->data); |
366 | __u8 param; | |
a9de9248 | 367 | void *sent; |
1da177e4 | 368 | |
9f1db00c | 369 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 370 | |
a9de9248 MH |
371 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); |
372 | if (!sent) | |
373 | return; | |
1da177e4 | 374 | |
36f7fc7e JH |
375 | param = *((__u8 *) sent); |
376 | ||
56e5cb86 JH |
377 | hci_dev_lock(hdev); |
378 | ||
fa1bd918 | 379 | if (status) { |
2d7cee58 JH |
380 | hdev->discov_timeout = 0; |
381 | goto done; | |
382 | } | |
383 | ||
bc6d2d04 | 384 | if (param & SCAN_INQUIRY) |
36f7fc7e | 385 | set_bit(HCI_ISCAN, &hdev->flags); |
bc6d2d04 JH |
386 | else |
387 | clear_bit(HCI_ISCAN, &hdev->flags); | |
36f7fc7e | 388 | |
031547d8 | 389 | if (param & SCAN_PAGE) |
36f7fc7e | 390 | set_bit(HCI_PSCAN, &hdev->flags); |
bc6d2d04 | 391 | else |
204e3990 | 392 | clear_bit(HCI_PSCAN, &hdev->flags); |
1da177e4 | 393 | |
36f7fc7e | 394 | done: |
56e5cb86 | 395 | hci_dev_unlock(hdev); |
a9de9248 | 396 | } |
1da177e4 | 397 | |
a9de9248 MH |
398 | static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
399 | { | |
400 | struct hci_rp_read_class_of_dev *rp = (void *) skb->data; | |
1da177e4 | 401 | |
9f1db00c | 402 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 403 | |
a9de9248 MH |
404 | if (rp->status) |
405 | return; | |
1da177e4 | 406 | |
a9de9248 | 407 | memcpy(hdev->dev_class, rp->dev_class, 3); |
1da177e4 | 408 | |
a9de9248 | 409 | BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, |
807deac2 | 410 | hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); |
a9de9248 | 411 | } |
1da177e4 | 412 | |
a9de9248 MH |
413 | static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
414 | { | |
415 | __u8 status = *((__u8 *) skb->data); | |
416 | void *sent; | |
1da177e4 | 417 | |
9f1db00c | 418 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 419 | |
a9de9248 MH |
420 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
421 | if (!sent) | |
422 | return; | |
1da177e4 | 423 | |
7f9a903c MH |
424 | hci_dev_lock(hdev); |
425 | ||
426 | if (status == 0) | |
427 | memcpy(hdev->dev_class, sent, 3); | |
428 | ||
d7a5a11d | 429 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
7f9a903c MH |
430 | mgmt_set_class_of_dev_complete(hdev, sent, status); |
431 | ||
432 | hci_dev_unlock(hdev); | |
a9de9248 | 433 | } |
1da177e4 | 434 | |
a9de9248 MH |
435 | static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) |
436 | { | |
437 | struct hci_rp_read_voice_setting *rp = (void *) skb->data; | |
438 | __u16 setting; | |
439 | ||
9f1db00c | 440 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
441 | |
442 | if (rp->status) | |
443 | return; | |
444 | ||
445 | setting = __le16_to_cpu(rp->voice_setting); | |
446 | ||
f383f275 | 447 | if (hdev->voice_setting == setting) |
a9de9248 MH |
448 | return; |
449 | ||
450 | hdev->voice_setting = setting; | |
451 | ||
9f1db00c | 452 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
a9de9248 | 453 | |
3c54711c | 454 | if (hdev->notify) |
a9de9248 | 455 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
a9de9248 MH |
456 | } |
457 | ||
8fc9ced3 GP |
458 | static void hci_cc_write_voice_setting(struct hci_dev *hdev, |
459 | struct sk_buff *skb) | |
a9de9248 MH |
460 | { |
461 | __u8 status = *((__u8 *) skb->data); | |
f383f275 | 462 | __u16 setting; |
a9de9248 MH |
463 | void *sent; |
464 | ||
9f1db00c | 465 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 466 | |
f383f275 MH |
467 | if (status) |
468 | return; | |
469 | ||
a9de9248 MH |
470 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
471 | if (!sent) | |
472 | return; | |
1da177e4 | 473 | |
f383f275 | 474 | setting = get_unaligned_le16(sent); |
1da177e4 | 475 | |
f383f275 MH |
476 | if (hdev->voice_setting == setting) |
477 | return; | |
478 | ||
479 | hdev->voice_setting = setting; | |
1da177e4 | 480 | |
9f1db00c | 481 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
1da177e4 | 482 | |
3c54711c | 483 | if (hdev->notify) |
f383f275 | 484 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
1da177e4 LT |
485 | } |
486 | ||
b4cb9fb2 MH |
487 | static void hci_cc_read_num_supported_iac(struct hci_dev *hdev, |
488 | struct sk_buff *skb) | |
489 | { | |
490 | struct hci_rp_read_num_supported_iac *rp = (void *) skb->data; | |
491 | ||
492 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
493 | ||
494 | if (rp->status) | |
495 | return; | |
496 | ||
497 | hdev->num_iac = rp->num_iac; | |
498 | ||
499 | BT_DBG("%s num iac %d", hdev->name, hdev->num_iac); | |
500 | } | |
501 | ||
333140b5 MH |
502 | static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) |
503 | { | |
504 | __u8 status = *((__u8 *) skb->data); | |
5ed8eb2f | 505 | struct hci_cp_write_ssp_mode *sent; |
333140b5 | 506 | |
9f1db00c | 507 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
333140b5 | 508 | |
333140b5 MH |
509 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); |
510 | if (!sent) | |
511 | return; | |
512 | ||
5c1a4c8f JK |
513 | hci_dev_lock(hdev); |
514 | ||
5ed8eb2f JH |
515 | if (!status) { |
516 | if (sent->mode) | |
cad718ed | 517 | hdev->features[1][0] |= LMP_HOST_SSP; |
5ed8eb2f | 518 | else |
cad718ed | 519 | hdev->features[1][0] &= ~LMP_HOST_SSP; |
5ed8eb2f JH |
520 | } |
521 | ||
d7a5a11d | 522 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
5ed8eb2f | 523 | mgmt_ssp_enable_complete(hdev, sent->mode, status); |
c0ecddc2 | 524 | else if (!status) { |
5ed8eb2f | 525 | if (sent->mode) |
a1536da2 | 526 | hci_dev_set_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 527 | else |
a358dc11 | 528 | hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 529 | } |
5c1a4c8f JK |
530 | |
531 | hci_dev_unlock(hdev); | |
333140b5 MH |
532 | } |
533 | ||
eac83dc6 MH |
534 | static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb) |
535 | { | |
536 | u8 status = *((u8 *) skb->data); | |
537 | struct hci_cp_write_sc_support *sent; | |
538 | ||
539 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
540 | ||
541 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT); | |
542 | if (!sent) | |
543 | return; | |
544 | ||
5c1a4c8f JK |
545 | hci_dev_lock(hdev); |
546 | ||
eac83dc6 MH |
547 | if (!status) { |
548 | if (sent->support) | |
549 | hdev->features[1][0] |= LMP_HOST_SC; | |
550 | else | |
551 | hdev->features[1][0] &= ~LMP_HOST_SC; | |
552 | } | |
553 | ||
d7a5a11d | 554 | if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) { |
eac83dc6 | 555 | if (sent->support) |
a1536da2 | 556 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 557 | else |
a358dc11 | 558 | hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 559 | } |
5c1a4c8f JK |
560 | |
561 | hci_dev_unlock(hdev); | |
eac83dc6 MH |
562 | } |
563 | ||
a9de9248 MH |
564 | static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) |
565 | { | |
566 | struct hci_rp_read_local_version *rp = (void *) skb->data; | |
1143e5a6 | 567 | |
9f1db00c | 568 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143e5a6 | 569 | |
a9de9248 | 570 | if (rp->status) |
42c6b129 | 571 | return; |
1143e5a6 | 572 | |
d7a5a11d MH |
573 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
574 | hci_dev_test_flag(hdev, HCI_CONFIG)) { | |
0d5551f5 MH |
575 | hdev->hci_ver = rp->hci_ver; |
576 | hdev->hci_rev = __le16_to_cpu(rp->hci_rev); | |
577 | hdev->lmp_ver = rp->lmp_ver; | |
578 | hdev->manufacturer = __le16_to_cpu(rp->manufacturer); | |
579 | hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); | |
580 | } | |
d5859e22 JH |
581 | } |
582 | ||
8fc9ced3 GP |
583 | static void hci_cc_read_local_commands(struct hci_dev *hdev, |
584 | struct sk_buff *skb) | |
a9de9248 MH |
585 | { |
586 | struct hci_rp_read_local_commands *rp = (void *) skb->data; | |
1da177e4 | 587 | |
9f1db00c | 588 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 589 | |
6a070e6e MH |
590 | if (rp->status) |
591 | return; | |
592 | ||
d7a5a11d MH |
593 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
594 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
2177bab5 | 595 | memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
a9de9248 | 596 | } |
1da177e4 | 597 | |
302975cb SRK |
598 | static void hci_cc_read_auth_payload_timeout(struct hci_dev *hdev, |
599 | struct sk_buff *skb) | |
600 | { | |
601 | struct hci_rp_read_auth_payload_to *rp = (void *)skb->data; | |
602 | struct hci_conn *conn; | |
603 | ||
604 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
605 | ||
606 | if (rp->status) | |
607 | return; | |
608 | ||
609 | hci_dev_lock(hdev); | |
610 | ||
611 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
612 | if (conn) | |
613 | conn->auth_payload_timeout = __le16_to_cpu(rp->timeout); | |
614 | ||
615 | hci_dev_unlock(hdev); | |
616 | } | |
617 | ||
618 | static void hci_cc_write_auth_payload_timeout(struct hci_dev *hdev, | |
619 | struct sk_buff *skb) | |
620 | { | |
621 | struct hci_rp_write_auth_payload_to *rp = (void *)skb->data; | |
622 | struct hci_conn *conn; | |
623 | void *sent; | |
624 | ||
625 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
626 | ||
627 | if (rp->status) | |
628 | return; | |
629 | ||
630 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO); | |
631 | if (!sent) | |
632 | return; | |
633 | ||
634 | hci_dev_lock(hdev); | |
635 | ||
636 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
637 | if (conn) | |
638 | conn->auth_payload_timeout = get_unaligned_le16(sent + 2); | |
639 | ||
640 | hci_dev_unlock(hdev); | |
641 | } | |
642 | ||
8fc9ced3 GP |
643 | static void hci_cc_read_local_features(struct hci_dev *hdev, |
644 | struct sk_buff *skb) | |
a9de9248 MH |
645 | { |
646 | struct hci_rp_read_local_features *rp = (void *) skb->data; | |
5b7f9909 | 647 | |
9f1db00c | 648 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 649 | |
a9de9248 MH |
650 | if (rp->status) |
651 | return; | |
5b7f9909 | 652 | |
a9de9248 | 653 | memcpy(hdev->features, rp->features, 8); |
5b7f9909 | 654 | |
a9de9248 MH |
655 | /* Adjust default settings according to features |
656 | * supported by device. */ | |
1da177e4 | 657 | |
cad718ed | 658 | if (hdev->features[0][0] & LMP_3SLOT) |
a9de9248 | 659 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); |
1da177e4 | 660 | |
cad718ed | 661 | if (hdev->features[0][0] & LMP_5SLOT) |
a9de9248 | 662 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); |
1da177e4 | 663 | |
cad718ed | 664 | if (hdev->features[0][1] & LMP_HV2) { |
a9de9248 MH |
665 | hdev->pkt_type |= (HCI_HV2); |
666 | hdev->esco_type |= (ESCO_HV2); | |
667 | } | |
1da177e4 | 668 | |
cad718ed | 669 | if (hdev->features[0][1] & LMP_HV3) { |
a9de9248 MH |
670 | hdev->pkt_type |= (HCI_HV3); |
671 | hdev->esco_type |= (ESCO_HV3); | |
672 | } | |
1da177e4 | 673 | |
45db810f | 674 | if (lmp_esco_capable(hdev)) |
a9de9248 | 675 | hdev->esco_type |= (ESCO_EV3); |
da1f5198 | 676 | |
cad718ed | 677 | if (hdev->features[0][4] & LMP_EV4) |
a9de9248 | 678 | hdev->esco_type |= (ESCO_EV4); |
da1f5198 | 679 | |
cad718ed | 680 | if (hdev->features[0][4] & LMP_EV5) |
a9de9248 | 681 | hdev->esco_type |= (ESCO_EV5); |
1da177e4 | 682 | |
cad718ed | 683 | if (hdev->features[0][5] & LMP_EDR_ESCO_2M) |
efc7688b MH |
684 | hdev->esco_type |= (ESCO_2EV3); |
685 | ||
cad718ed | 686 | if (hdev->features[0][5] & LMP_EDR_ESCO_3M) |
efc7688b MH |
687 | hdev->esco_type |= (ESCO_3EV3); |
688 | ||
cad718ed | 689 | if (hdev->features[0][5] & LMP_EDR_3S_ESCO) |
efc7688b | 690 | hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); |
a9de9248 | 691 | } |
1da177e4 | 692 | |
971e3a4b | 693 | static void hci_cc_read_local_ext_features(struct hci_dev *hdev, |
807deac2 | 694 | struct sk_buff *skb) |
971e3a4b AG |
695 | { |
696 | struct hci_rp_read_local_ext_features *rp = (void *) skb->data; | |
697 | ||
9f1db00c | 698 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
971e3a4b AG |
699 | |
700 | if (rp->status) | |
42c6b129 | 701 | return; |
971e3a4b | 702 | |
57af75a8 MH |
703 | if (hdev->max_page < rp->max_page) |
704 | hdev->max_page = rp->max_page; | |
d2c5d77f | 705 | |
cad718ed JH |
706 | if (rp->page < HCI_MAX_PAGES) |
707 | memcpy(hdev->features[rp->page], rp->features, 8); | |
971e3a4b AG |
708 | } |
709 | ||
1e89cffb | 710 | static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, |
807deac2 | 711 | struct sk_buff *skb) |
1e89cffb AE |
712 | { |
713 | struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; | |
714 | ||
9f1db00c | 715 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1e89cffb | 716 | |
45296acd MH |
717 | if (rp->status) |
718 | return; | |
719 | ||
720 | hdev->flow_ctl_mode = rp->mode; | |
1e89cffb AE |
721 | } |
722 | ||
a9de9248 MH |
723 | static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) |
724 | { | |
725 | struct hci_rp_read_buffer_size *rp = (void *) skb->data; | |
1da177e4 | 726 | |
9f1db00c | 727 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 728 | |
a9de9248 MH |
729 | if (rp->status) |
730 | return; | |
1da177e4 | 731 | |
a9de9248 MH |
732 | hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); |
733 | hdev->sco_mtu = rp->sco_mtu; | |
734 | hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); | |
735 | hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); | |
736 | ||
737 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
738 | hdev->sco_mtu = 64; | |
739 | hdev->sco_pkts = 8; | |
1da177e4 | 740 | } |
a9de9248 MH |
741 | |
742 | hdev->acl_cnt = hdev->acl_pkts; | |
743 | hdev->sco_cnt = hdev->sco_pkts; | |
744 | ||
807deac2 GP |
745 | BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu, |
746 | hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts); | |
a9de9248 MH |
747 | } |
748 | ||
749 | static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) | |
750 | { | |
751 | struct hci_rp_read_bd_addr *rp = (void *) skb->data; | |
752 | ||
9f1db00c | 753 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 | 754 | |
e30d3f5f MH |
755 | if (rp->status) |
756 | return; | |
757 | ||
758 | if (test_bit(HCI_INIT, &hdev->flags)) | |
a9de9248 | 759 | bacpy(&hdev->bdaddr, &rp->bdaddr); |
e30d3f5f | 760 | |
d7a5a11d | 761 | if (hci_dev_test_flag(hdev, HCI_SETUP)) |
e30d3f5f | 762 | bacpy(&hdev->setup_addr, &rp->bdaddr); |
23bb5763 JH |
763 | } |
764 | ||
a4790360 MH |
765 | static void hci_cc_read_local_pairing_opts(struct hci_dev *hdev, |
766 | struct sk_buff *skb) | |
767 | { | |
768 | struct hci_rp_read_local_pairing_opts *rp = (void *) skb->data; | |
769 | ||
770 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
771 | ||
772 | if (rp->status) | |
773 | return; | |
774 | ||
775 | if (hci_dev_test_flag(hdev, HCI_SETUP) || | |
776 | hci_dev_test_flag(hdev, HCI_CONFIG)) { | |
777 | hdev->pairing_opts = rp->pairing_opts; | |
778 | hdev->max_enc_key_size = rp->max_key_size; | |
779 | } | |
780 | } | |
781 | ||
f332ec66 JH |
782 | static void hci_cc_read_page_scan_activity(struct hci_dev *hdev, |
783 | struct sk_buff *skb) | |
784 | { | |
785 | struct hci_rp_read_page_scan_activity *rp = (void *) skb->data; | |
786 | ||
787 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
788 | ||
45296acd MH |
789 | if (rp->status) |
790 | return; | |
791 | ||
792 | if (test_bit(HCI_INIT, &hdev->flags)) { | |
f332ec66 JH |
793 | hdev->page_scan_interval = __le16_to_cpu(rp->interval); |
794 | hdev->page_scan_window = __le16_to_cpu(rp->window); | |
795 | } | |
796 | } | |
797 | ||
4a3ee763 JH |
798 | static void hci_cc_write_page_scan_activity(struct hci_dev *hdev, |
799 | struct sk_buff *skb) | |
800 | { | |
801 | u8 status = *((u8 *) skb->data); | |
802 | struct hci_cp_write_page_scan_activity *sent; | |
803 | ||
804 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
805 | ||
806 | if (status) | |
807 | return; | |
808 | ||
809 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY); | |
810 | if (!sent) | |
811 | return; | |
812 | ||
813 | hdev->page_scan_interval = __le16_to_cpu(sent->interval); | |
814 | hdev->page_scan_window = __le16_to_cpu(sent->window); | |
815 | } | |
816 | ||
f332ec66 JH |
817 | static void hci_cc_read_page_scan_type(struct hci_dev *hdev, |
818 | struct sk_buff *skb) | |
819 | { | |
820 | struct hci_rp_read_page_scan_type *rp = (void *) skb->data; | |
821 | ||
822 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
823 | ||
45296acd MH |
824 | if (rp->status) |
825 | return; | |
826 | ||
827 | if (test_bit(HCI_INIT, &hdev->flags)) | |
f332ec66 JH |
828 | hdev->page_scan_type = rp->type; |
829 | } | |
830 | ||
4a3ee763 JH |
831 | static void hci_cc_write_page_scan_type(struct hci_dev *hdev, |
832 | struct sk_buff *skb) | |
833 | { | |
834 | u8 status = *((u8 *) skb->data); | |
835 | u8 *type; | |
836 | ||
837 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
838 | ||
839 | if (status) | |
840 | return; | |
841 | ||
842 | type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE); | |
843 | if (type) | |
844 | hdev->page_scan_type = *type; | |
845 | } | |
846 | ||
350ee4cf | 847 | static void hci_cc_read_data_block_size(struct hci_dev *hdev, |
807deac2 | 848 | struct sk_buff *skb) |
350ee4cf AE |
849 | { |
850 | struct hci_rp_read_data_block_size *rp = (void *) skb->data; | |
851 | ||
9f1db00c | 852 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
350ee4cf AE |
853 | |
854 | if (rp->status) | |
855 | return; | |
856 | ||
857 | hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); | |
858 | hdev->block_len = __le16_to_cpu(rp->block_len); | |
859 | hdev->num_blocks = __le16_to_cpu(rp->num_blocks); | |
860 | ||
861 | hdev->block_cnt = hdev->num_blocks; | |
862 | ||
863 | BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, | |
807deac2 | 864 | hdev->block_cnt, hdev->block_len); |
350ee4cf AE |
865 | } |
866 | ||
33f35721 JH |
867 | static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb) |
868 | { | |
869 | struct hci_rp_read_clock *rp = (void *) skb->data; | |
870 | struct hci_cp_read_clock *cp; | |
871 | struct hci_conn *conn; | |
872 | ||
873 | BT_DBG("%s", hdev->name); | |
874 | ||
875 | if (skb->len < sizeof(*rp)) | |
876 | return; | |
877 | ||
878 | if (rp->status) | |
879 | return; | |
880 | ||
881 | hci_dev_lock(hdev); | |
882 | ||
883 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
884 | if (!cp) | |
885 | goto unlock; | |
886 | ||
887 | if (cp->which == 0x00) { | |
888 | hdev->clock = le32_to_cpu(rp->clock); | |
889 | goto unlock; | |
890 | } | |
891 | ||
892 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
893 | if (conn) { | |
894 | conn->clock = le32_to_cpu(rp->clock); | |
895 | conn->clock_accuracy = le16_to_cpu(rp->accuracy); | |
896 | } | |
897 | ||
898 | unlock: | |
899 | hci_dev_unlock(hdev); | |
900 | } | |
901 | ||
928abaa7 | 902 | static void hci_cc_read_local_amp_info(struct hci_dev *hdev, |
807deac2 | 903 | struct sk_buff *skb) |
928abaa7 AE |
904 | { |
905 | struct hci_rp_read_local_amp_info *rp = (void *) skb->data; | |
906 | ||
9f1db00c | 907 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
928abaa7 AE |
908 | |
909 | if (rp->status) | |
83927882 | 910 | return; |
928abaa7 AE |
911 | |
912 | hdev->amp_status = rp->amp_status; | |
913 | hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); | |
914 | hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); | |
915 | hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); | |
916 | hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); | |
917 | hdev->amp_type = rp->amp_type; | |
918 | hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); | |
919 | hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); | |
920 | hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); | |
921 | hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); | |
928abaa7 AE |
922 | } |
923 | ||
d5859e22 | 924 | static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, |
807deac2 | 925 | struct sk_buff *skb) |
d5859e22 | 926 | { |
91c4e9b1 | 927 | struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; |
d5859e22 | 928 | |
9f1db00c | 929 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
91c4e9b1 | 930 | |
45296acd MH |
931 | if (rp->status) |
932 | return; | |
933 | ||
934 | hdev->inq_tx_power = rp->tx_power; | |
d5859e22 JH |
935 | } |
936 | ||
00bce3fb AM |
937 | static void hci_cc_read_def_err_data_reporting(struct hci_dev *hdev, |
938 | struct sk_buff *skb) | |
939 | { | |
940 | struct hci_rp_read_def_err_data_reporting *rp = (void *)skb->data; | |
941 | ||
942 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
943 | ||
944 | if (rp->status) | |
945 | return; | |
946 | ||
947 | hdev->err_data_reporting = rp->err_data_reporting; | |
948 | } | |
949 | ||
950 | static void hci_cc_write_def_err_data_reporting(struct hci_dev *hdev, | |
951 | struct sk_buff *skb) | |
952 | { | |
953 | __u8 status = *((__u8 *)skb->data); | |
954 | struct hci_cp_write_def_err_data_reporting *cp; | |
955 | ||
956 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
957 | ||
958 | if (status) | |
959 | return; | |
960 | ||
961 | cp = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_ERR_DATA_REPORTING); | |
962 | if (!cp) | |
963 | return; | |
964 | ||
965 | hdev->err_data_reporting = cp->err_data_reporting; | |
966 | } | |
967 | ||
980e1a53 JH |
968 | static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) |
969 | { | |
970 | struct hci_rp_pin_code_reply *rp = (void *) skb->data; | |
971 | struct hci_cp_pin_code_reply *cp; | |
972 | struct hci_conn *conn; | |
973 | ||
9f1db00c | 974 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 975 | |
56e5cb86 JH |
976 | hci_dev_lock(hdev); |
977 | ||
d7a5a11d | 978 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 979 | mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); |
980e1a53 | 980 | |
fa1bd918 | 981 | if (rp->status) |
56e5cb86 | 982 | goto unlock; |
980e1a53 JH |
983 | |
984 | cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); | |
985 | if (!cp) | |
56e5cb86 | 986 | goto unlock; |
980e1a53 JH |
987 | |
988 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
989 | if (conn) | |
990 | conn->pin_length = cp->pin_len; | |
56e5cb86 JH |
991 | |
992 | unlock: | |
993 | hci_dev_unlock(hdev); | |
980e1a53 JH |
994 | } |
995 | ||
996 | static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) | |
997 | { | |
998 | struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; | |
999 | ||
9f1db00c | 1000 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 1001 | |
56e5cb86 JH |
1002 | hci_dev_lock(hdev); |
1003 | ||
d7a5a11d | 1004 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 1005 | mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, |
807deac2 | 1006 | rp->status); |
56e5cb86 JH |
1007 | |
1008 | hci_dev_unlock(hdev); | |
980e1a53 | 1009 | } |
56e5cb86 | 1010 | |
6ed58ec5 VT |
1011 | static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, |
1012 | struct sk_buff *skb) | |
1013 | { | |
1014 | struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; | |
1015 | ||
9f1db00c | 1016 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
6ed58ec5 VT |
1017 | |
1018 | if (rp->status) | |
1019 | return; | |
1020 | ||
1021 | hdev->le_mtu = __le16_to_cpu(rp->le_mtu); | |
1022 | hdev->le_pkts = rp->le_max_pkt; | |
1023 | ||
1024 | hdev->le_cnt = hdev->le_pkts; | |
1025 | ||
1026 | BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); | |
6ed58ec5 | 1027 | } |
980e1a53 | 1028 | |
60e77321 JH |
1029 | static void hci_cc_le_read_local_features(struct hci_dev *hdev, |
1030 | struct sk_buff *skb) | |
1031 | { | |
1032 | struct hci_rp_le_read_local_features *rp = (void *) skb->data; | |
1033 | ||
1034 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1035 | ||
45296acd MH |
1036 | if (rp->status) |
1037 | return; | |
1038 | ||
1039 | memcpy(hdev->le_features, rp->features, 8); | |
60e77321 JH |
1040 | } |
1041 | ||
8fa19098 JH |
1042 | static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, |
1043 | struct sk_buff *skb) | |
1044 | { | |
1045 | struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; | |
1046 | ||
1047 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1048 | ||
45296acd MH |
1049 | if (rp->status) |
1050 | return; | |
1051 | ||
1052 | hdev->adv_tx_power = rp->tx_power; | |
8fa19098 JH |
1053 | } |
1054 | ||
a5c29683 JH |
1055 | static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) |
1056 | { | |
1057 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1058 | ||
9f1db00c | 1059 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 1060 | |
56e5cb86 JH |
1061 | hci_dev_lock(hdev); |
1062 | ||
d7a5a11d | 1063 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
04124681 GP |
1064 | mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, |
1065 | rp->status); | |
56e5cb86 JH |
1066 | |
1067 | hci_dev_unlock(hdev); | |
a5c29683 JH |
1068 | } |
1069 | ||
1070 | static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, | |
807deac2 | 1071 | struct sk_buff *skb) |
a5c29683 JH |
1072 | { |
1073 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1074 | ||
9f1db00c | 1075 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 1076 | |
56e5cb86 JH |
1077 | hci_dev_lock(hdev); |
1078 | ||
d7a5a11d | 1079 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 1080 | mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1081 | ACL_LINK, 0, rp->status); |
56e5cb86 JH |
1082 | |
1083 | hci_dev_unlock(hdev); | |
a5c29683 JH |
1084 | } |
1085 | ||
1143d458 BG |
1086 | static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) |
1087 | { | |
1088 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1089 | ||
9f1db00c | 1090 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
1091 | |
1092 | hci_dev_lock(hdev); | |
1093 | ||
d7a5a11d | 1094 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 1095 | mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, |
04124681 | 1096 | 0, rp->status); |
1143d458 BG |
1097 | |
1098 | hci_dev_unlock(hdev); | |
1099 | } | |
1100 | ||
1101 | static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, | |
807deac2 | 1102 | struct sk_buff *skb) |
1143d458 BG |
1103 | { |
1104 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1105 | ||
9f1db00c | 1106 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
1107 | |
1108 | hci_dev_lock(hdev); | |
1109 | ||
d7a5a11d | 1110 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
1143d458 | 1111 | mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1112 | ACL_LINK, 0, rp->status); |
1143d458 BG |
1113 | |
1114 | hci_dev_unlock(hdev); | |
1115 | } | |
1116 | ||
4d2d2796 MH |
1117 | static void hci_cc_read_local_oob_data(struct hci_dev *hdev, |
1118 | struct sk_buff *skb) | |
c35938b2 SJ |
1119 | { |
1120 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; | |
1121 | ||
9f1db00c | 1122 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
4d2d2796 MH |
1123 | } |
1124 | ||
1125 | static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev, | |
1126 | struct sk_buff *skb) | |
1127 | { | |
1128 | struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; | |
1129 | ||
1130 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
c35938b2 SJ |
1131 | } |
1132 | ||
7a4cd51d MH |
1133 | static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb) |
1134 | { | |
1135 | __u8 status = *((__u8 *) skb->data); | |
1136 | bdaddr_t *sent; | |
1137 | ||
1138 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1139 | ||
45296acd MH |
1140 | if (status) |
1141 | return; | |
1142 | ||
7a4cd51d MH |
1143 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR); |
1144 | if (!sent) | |
1145 | return; | |
1146 | ||
1147 | hci_dev_lock(hdev); | |
1148 | ||
45296acd | 1149 | bacpy(&hdev->random_addr, sent); |
7a4cd51d MH |
1150 | |
1151 | hci_dev_unlock(hdev); | |
1152 | } | |
1153 | ||
0314f286 JK |
1154 | static void hci_cc_le_set_default_phy(struct hci_dev *hdev, struct sk_buff *skb) |
1155 | { | |
1156 | __u8 status = *((__u8 *) skb->data); | |
1157 | struct hci_cp_le_set_default_phy *cp; | |
1158 | ||
1159 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1160 | ||
1161 | if (status) | |
1162 | return; | |
1163 | ||
1164 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_DEFAULT_PHY); | |
1165 | if (!cp) | |
1166 | return; | |
1167 | ||
1168 | hci_dev_lock(hdev); | |
1169 | ||
1170 | hdev->le_tx_def_phys = cp->tx_phys; | |
1171 | hdev->le_rx_def_phys = cp->rx_phys; | |
1172 | ||
1173 | hci_dev_unlock(hdev); | |
1174 | } | |
1175 | ||
a73c046a JK |
1176 | static void hci_cc_le_set_adv_set_random_addr(struct hci_dev *hdev, |
1177 | struct sk_buff *skb) | |
1178 | { | |
1179 | __u8 status = *((__u8 *) skb->data); | |
1180 | struct hci_cp_le_set_adv_set_rand_addr *cp; | |
1181 | struct adv_info *adv_instance; | |
1182 | ||
1183 | if (status) | |
1184 | return; | |
1185 | ||
1186 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_SET_RAND_ADDR); | |
1187 | if (!cp) | |
1188 | return; | |
1189 | ||
1190 | hci_dev_lock(hdev); | |
1191 | ||
1192 | if (!hdev->cur_adv_instance) { | |
1193 | /* Store in hdev for instance 0 (Set adv and Directed advs) */ | |
1194 | bacpy(&hdev->random_addr, &cp->bdaddr); | |
1195 | } else { | |
1196 | adv_instance = hci_find_adv_instance(hdev, | |
1197 | hdev->cur_adv_instance); | |
1198 | if (adv_instance) | |
1199 | bacpy(&adv_instance->random_addr, &cp->bdaddr); | |
1200 | } | |
1201 | ||
1202 | hci_dev_unlock(hdev); | |
1203 | } | |
1204 | ||
c1d5dc4a JH |
1205 | static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) |
1206 | { | |
1207 | __u8 *sent, status = *((__u8 *) skb->data); | |
1208 | ||
1209 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1210 | ||
45296acd | 1211 | if (status) |
c1d5dc4a JH |
1212 | return; |
1213 | ||
45296acd MH |
1214 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); |
1215 | if (!sent) | |
3c857757 JH |
1216 | return; |
1217 | ||
c1d5dc4a JH |
1218 | hci_dev_lock(hdev); |
1219 | ||
49c922bb | 1220 | /* If we're doing connection initiation as peripheral. Set a |
3c857757 JH |
1221 | * timeout in case something goes wrong. |
1222 | */ | |
1223 | if (*sent) { | |
1224 | struct hci_conn *conn; | |
1225 | ||
a1536da2 | 1226 | hci_dev_set_flag(hdev, HCI_LE_ADV); |
66c417c1 | 1227 | |
e7d9ab73 | 1228 | conn = hci_lookup_le_connect(hdev); |
3c857757 JH |
1229 | if (conn) |
1230 | queue_delayed_work(hdev->workqueue, | |
1231 | &conn->le_conn_timeout, | |
09ae260b | 1232 | conn->conn_timeout); |
66c417c1 | 1233 | } else { |
a358dc11 | 1234 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
3c857757 JH |
1235 | } |
1236 | ||
04b4edcb | 1237 | hci_dev_unlock(hdev); |
c1d5dc4a JH |
1238 | } |
1239 | ||
de181e88 JK |
1240 | static void hci_cc_le_set_ext_adv_enable(struct hci_dev *hdev, |
1241 | struct sk_buff *skb) | |
1242 | { | |
1243 | struct hci_cp_le_set_ext_adv_enable *cp; | |
de181e88 JK |
1244 | __u8 status = *((__u8 *) skb->data); |
1245 | ||
1246 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1247 | ||
1248 | if (status) | |
1249 | return; | |
1250 | ||
1251 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_ENABLE); | |
1252 | if (!cp) | |
1253 | return; | |
1254 | ||
de181e88 JK |
1255 | hci_dev_lock(hdev); |
1256 | ||
1257 | if (cp->enable) { | |
1258 | struct hci_conn *conn; | |
1259 | ||
1260 | hci_dev_set_flag(hdev, HCI_LE_ADV); | |
1261 | ||
1262 | conn = hci_lookup_le_connect(hdev); | |
1263 | if (conn) | |
1264 | queue_delayed_work(hdev->workqueue, | |
1265 | &conn->le_conn_timeout, | |
1266 | conn->conn_timeout); | |
45b7749f JK |
1267 | } else { |
1268 | hci_dev_clear_flag(hdev, HCI_LE_ADV); | |
de181e88 JK |
1269 | } |
1270 | ||
1271 | hci_dev_unlock(hdev); | |
1272 | } | |
1273 | ||
533553f8 MH |
1274 | static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) |
1275 | { | |
1276 | struct hci_cp_le_set_scan_param *cp; | |
1277 | __u8 status = *((__u8 *) skb->data); | |
1278 | ||
1279 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1280 | ||
45296acd MH |
1281 | if (status) |
1282 | return; | |
1283 | ||
533553f8 MH |
1284 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM); |
1285 | if (!cp) | |
1286 | return; | |
1287 | ||
1288 | hci_dev_lock(hdev); | |
1289 | ||
45296acd | 1290 | hdev->le_scan_type = cp->type; |
533553f8 MH |
1291 | |
1292 | hci_dev_unlock(hdev); | |
1293 | } | |
1294 | ||
a2344b9e JK |
1295 | static void hci_cc_le_set_ext_scan_param(struct hci_dev *hdev, |
1296 | struct sk_buff *skb) | |
1297 | { | |
1298 | struct hci_cp_le_set_ext_scan_params *cp; | |
1299 | __u8 status = *((__u8 *) skb->data); | |
1300 | struct hci_cp_le_scan_phy_params *phy_param; | |
1301 | ||
1302 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1303 | ||
1304 | if (status) | |
1305 | return; | |
1306 | ||
1307 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_SCAN_PARAMS); | |
1308 | if (!cp) | |
1309 | return; | |
1310 | ||
1311 | phy_param = (void *)cp->data; | |
1312 | ||
1313 | hci_dev_lock(hdev); | |
1314 | ||
1315 | hdev->le_scan_type = phy_param->type; | |
1316 | ||
1317 | hci_dev_unlock(hdev); | |
1318 | } | |
1319 | ||
b9a6328f JH |
1320 | static bool has_pending_adv_report(struct hci_dev *hdev) |
1321 | { | |
1322 | struct discovery_state *d = &hdev->discovery; | |
1323 | ||
1324 | return bacmp(&d->last_adv_addr, BDADDR_ANY); | |
1325 | } | |
1326 | ||
1327 | static void clear_pending_adv_report(struct hci_dev *hdev) | |
1328 | { | |
1329 | struct discovery_state *d = &hdev->discovery; | |
1330 | ||
1331 | bacpy(&d->last_adv_addr, BDADDR_ANY); | |
1332 | d->last_adv_data_len = 0; | |
1333 | } | |
1334 | ||
1335 | static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c70a7e4c MH |
1336 | u8 bdaddr_type, s8 rssi, u32 flags, |
1337 | u8 *data, u8 len) | |
b9a6328f JH |
1338 | { |
1339 | struct discovery_state *d = &hdev->discovery; | |
1340 | ||
a2ec905d AM |
1341 | if (len > HCI_MAX_AD_LENGTH) |
1342 | return; | |
1343 | ||
b9a6328f JH |
1344 | bacpy(&d->last_adv_addr, bdaddr); |
1345 | d->last_adv_addr_type = bdaddr_type; | |
ff5cd29f | 1346 | d->last_adv_rssi = rssi; |
c70a7e4c | 1347 | d->last_adv_flags = flags; |
b9a6328f JH |
1348 | memcpy(d->last_adv_data, data, len); |
1349 | d->last_adv_data_len = len; | |
1350 | } | |
1351 | ||
3baef810 | 1352 | static void le_set_scan_enable_complete(struct hci_dev *hdev, u8 enable) |
eb9d91f5 | 1353 | { |
5c1a4c8f JK |
1354 | hci_dev_lock(hdev); |
1355 | ||
3baef810 | 1356 | switch (enable) { |
76a388be | 1357 | case LE_SCAN_ENABLE: |
a1536da2 | 1358 | hci_dev_set_flag(hdev, HCI_LE_SCAN); |
b9a6328f JH |
1359 | if (hdev->le_scan_type == LE_SCAN_ACTIVE) |
1360 | clear_pending_adv_report(hdev); | |
68a8aea4 AE |
1361 | break; |
1362 | ||
76a388be | 1363 | case LE_SCAN_DISABLE: |
b9a6328f JH |
1364 | /* We do this here instead of when setting DISCOVERY_STOPPED |
1365 | * since the latter would potentially require waiting for | |
1366 | * inquiry to stop too. | |
1367 | */ | |
1368 | if (has_pending_adv_report(hdev)) { | |
1369 | struct discovery_state *d = &hdev->discovery; | |
1370 | ||
1371 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ab0aa433 | 1372 | d->last_adv_addr_type, NULL, |
c70a7e4c | 1373 | d->last_adv_rssi, d->last_adv_flags, |
ab0aa433 | 1374 | d->last_adv_data, |
b9a6328f JH |
1375 | d->last_adv_data_len, NULL, 0); |
1376 | } | |
1377 | ||
317ac8cb JH |
1378 | /* Cancel this timer so that we don't try to disable scanning |
1379 | * when it's already disabled. | |
1380 | */ | |
1381 | cancel_delayed_work(&hdev->le_scan_disable); | |
1382 | ||
a358dc11 | 1383 | hci_dev_clear_flag(hdev, HCI_LE_SCAN); |
e8bb6b97 | 1384 | |
81ad6fd9 JH |
1385 | /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we |
1386 | * interrupted scanning due to a connect request. Mark | |
e8bb6b97 JH |
1387 | * therefore discovery as stopped. If this was not |
1388 | * because of a connect request advertising might have | |
1389 | * been disabled because of active scanning, so | |
1390 | * re-enable it again if necessary. | |
81ad6fd9 | 1391 | */ |
a69d8927 | 1392 | if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED)) |
81ad6fd9 | 1393 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
d7a5a11d | 1394 | else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) && |
34722277 | 1395 | hdev->discovery.state == DISCOVERY_FINDING) |
f2252570 | 1396 | hci_req_reenable_advertising(hdev); |
e8bb6b97 | 1397 | |
68a8aea4 AE |
1398 | break; |
1399 | ||
1400 | default: | |
2064ee33 | 1401 | bt_dev_err(hdev, "use of reserved LE_Scan_Enable param %d", |
3baef810 | 1402 | enable); |
68a8aea4 | 1403 | break; |
35815085 | 1404 | } |
5c1a4c8f JK |
1405 | |
1406 | hci_dev_unlock(hdev); | |
eb9d91f5 AG |
1407 | } |
1408 | ||
3baef810 JK |
1409 | static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, |
1410 | struct sk_buff *skb) | |
1411 | { | |
1412 | struct hci_cp_le_set_scan_enable *cp; | |
1413 | __u8 status = *((__u8 *) skb->data); | |
1414 | ||
1415 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1416 | ||
1417 | if (status) | |
1418 | return; | |
1419 | ||
1420 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); | |
1421 | if (!cp) | |
1422 | return; | |
1423 | ||
1424 | le_set_scan_enable_complete(hdev, cp->enable); | |
1425 | } | |
1426 | ||
a2344b9e JK |
1427 | static void hci_cc_le_set_ext_scan_enable(struct hci_dev *hdev, |
1428 | struct sk_buff *skb) | |
1429 | { | |
1430 | struct hci_cp_le_set_ext_scan_enable *cp; | |
1431 | __u8 status = *((__u8 *) skb->data); | |
1432 | ||
1433 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1434 | ||
1435 | if (status) | |
1436 | return; | |
1437 | ||
1438 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_SCAN_ENABLE); | |
1439 | if (!cp) | |
1440 | return; | |
1441 | ||
1442 | le_set_scan_enable_complete(hdev, cp->enable); | |
1443 | } | |
1444 | ||
6b49bcb4 JK |
1445 | static void hci_cc_le_read_num_adv_sets(struct hci_dev *hdev, |
1446 | struct sk_buff *skb) | |
1447 | { | |
1448 | struct hci_rp_le_read_num_supported_adv_sets *rp = (void *) skb->data; | |
1449 | ||
1450 | BT_DBG("%s status 0x%2.2x No of Adv sets %u", hdev->name, rp->status, | |
1451 | rp->num_of_sets); | |
1452 | ||
1453 | if (rp->status) | |
1454 | return; | |
1455 | ||
1456 | hdev->le_num_of_adv_sets = rp->num_of_sets; | |
1457 | } | |
1458 | ||
cf1d081f JH |
1459 | static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, |
1460 | struct sk_buff *skb) | |
1461 | { | |
1462 | struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; | |
1463 | ||
1464 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1465 | ||
45296acd MH |
1466 | if (rp->status) |
1467 | return; | |
1468 | ||
1469 | hdev->le_white_list_size = rp->size; | |
cf1d081f JH |
1470 | } |
1471 | ||
0f36b589 MH |
1472 | static void hci_cc_le_clear_white_list(struct hci_dev *hdev, |
1473 | struct sk_buff *skb) | |
1474 | { | |
1475 | __u8 status = *((__u8 *) skb->data); | |
1476 | ||
1477 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1478 | ||
45296acd MH |
1479 | if (status) |
1480 | return; | |
1481 | ||
dcc36c16 | 1482 | hci_bdaddr_list_clear(&hdev->le_white_list); |
0f36b589 MH |
1483 | } |
1484 | ||
1485 | static void hci_cc_le_add_to_white_list(struct hci_dev *hdev, | |
1486 | struct sk_buff *skb) | |
1487 | { | |
1488 | struct hci_cp_le_add_to_white_list *sent; | |
1489 | __u8 status = *((__u8 *) skb->data); | |
1490 | ||
1491 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1492 | ||
45296acd MH |
1493 | if (status) |
1494 | return; | |
1495 | ||
0f36b589 MH |
1496 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); |
1497 | if (!sent) | |
1498 | return; | |
1499 | ||
dcc36c16 JH |
1500 | hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr, |
1501 | sent->bdaddr_type); | |
0f36b589 MH |
1502 | } |
1503 | ||
1504 | static void hci_cc_le_del_from_white_list(struct hci_dev *hdev, | |
1505 | struct sk_buff *skb) | |
1506 | { | |
1507 | struct hci_cp_le_del_from_white_list *sent; | |
1508 | __u8 status = *((__u8 *) skb->data); | |
1509 | ||
1510 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1511 | ||
45296acd MH |
1512 | if (status) |
1513 | return; | |
1514 | ||
0f36b589 MH |
1515 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); |
1516 | if (!sent) | |
1517 | return; | |
1518 | ||
dcc36c16 JH |
1519 | hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr, |
1520 | sent->bdaddr_type); | |
0f36b589 MH |
1521 | } |
1522 | ||
9b008c04 JH |
1523 | static void hci_cc_le_read_supported_states(struct hci_dev *hdev, |
1524 | struct sk_buff *skb) | |
1525 | { | |
1526 | struct hci_rp_le_read_supported_states *rp = (void *) skb->data; | |
1527 | ||
1528 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1529 | ||
45296acd MH |
1530 | if (rp->status) |
1531 | return; | |
1532 | ||
1533 | memcpy(hdev->le_states, rp->le_states, 8); | |
9b008c04 JH |
1534 | } |
1535 | ||
a8e1bfaa MH |
1536 | static void hci_cc_le_read_def_data_len(struct hci_dev *hdev, |
1537 | struct sk_buff *skb) | |
1538 | { | |
1539 | struct hci_rp_le_read_def_data_len *rp = (void *) skb->data; | |
1540 | ||
1541 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1542 | ||
1543 | if (rp->status) | |
1544 | return; | |
1545 | ||
1546 | hdev->le_def_tx_len = le16_to_cpu(rp->tx_len); | |
1547 | hdev->le_def_tx_time = le16_to_cpu(rp->tx_time); | |
1548 | } | |
1549 | ||
1550 | static void hci_cc_le_write_def_data_len(struct hci_dev *hdev, | |
1551 | struct sk_buff *skb) | |
1552 | { | |
1553 | struct hci_cp_le_write_def_data_len *sent; | |
1554 | __u8 status = *((__u8 *) skb->data); | |
1555 | ||
1556 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1557 | ||
1558 | if (status) | |
1559 | return; | |
1560 | ||
1561 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN); | |
1562 | if (!sent) | |
1563 | return; | |
1564 | ||
1565 | hdev->le_def_tx_len = le16_to_cpu(sent->tx_len); | |
1566 | hdev->le_def_tx_time = le16_to_cpu(sent->tx_time); | |
1567 | } | |
1568 | ||
b950aa88 AN |
1569 | static void hci_cc_le_add_to_resolv_list(struct hci_dev *hdev, |
1570 | struct sk_buff *skb) | |
1571 | { | |
1572 | struct hci_cp_le_add_to_resolv_list *sent; | |
1573 | __u8 status = *((__u8 *) skb->data); | |
1574 | ||
1575 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1576 | ||
1577 | if (status) | |
1578 | return; | |
1579 | ||
1580 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_RESOLV_LIST); | |
1581 | if (!sent) | |
1582 | return; | |
1583 | ||
1584 | hci_bdaddr_list_add_with_irk(&hdev->le_resolv_list, &sent->bdaddr, | |
1585 | sent->bdaddr_type, sent->peer_irk, | |
1586 | sent->local_irk); | |
1587 | } | |
1588 | ||
1589 | static void hci_cc_le_del_from_resolv_list(struct hci_dev *hdev, | |
1590 | struct sk_buff *skb) | |
1591 | { | |
1592 | struct hci_cp_le_del_from_resolv_list *sent; | |
1593 | __u8 status = *((__u8 *) skb->data); | |
1594 | ||
1595 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1596 | ||
1597 | if (status) | |
1598 | return; | |
1599 | ||
1600 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_RESOLV_LIST); | |
1601 | if (!sent) | |
1602 | return; | |
1603 | ||
1604 | hci_bdaddr_list_del_with_irk(&hdev->le_resolv_list, &sent->bdaddr, | |
1605 | sent->bdaddr_type); | |
1606 | } | |
1607 | ||
545f2596 AN |
1608 | static void hci_cc_le_clear_resolv_list(struct hci_dev *hdev, |
1609 | struct sk_buff *skb) | |
1610 | { | |
1611 | __u8 status = *((__u8 *) skb->data); | |
1612 | ||
1613 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1614 | ||
1615 | if (status) | |
1616 | return; | |
1617 | ||
1618 | hci_bdaddr_list_clear(&hdev->le_resolv_list); | |
1619 | } | |
1620 | ||
cfdb0c2d AN |
1621 | static void hci_cc_le_read_resolv_list_size(struct hci_dev *hdev, |
1622 | struct sk_buff *skb) | |
1623 | { | |
1624 | struct hci_rp_le_read_resolv_list_size *rp = (void *) skb->data; | |
1625 | ||
1626 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1627 | ||
1628 | if (rp->status) | |
1629 | return; | |
1630 | ||
1631 | hdev->le_resolv_list_size = rp->size; | |
1632 | } | |
1633 | ||
aa12af77 AN |
1634 | static void hci_cc_le_set_addr_resolution_enable(struct hci_dev *hdev, |
1635 | struct sk_buff *skb) | |
1636 | { | |
1637 | __u8 *sent, status = *((__u8 *) skb->data); | |
1638 | ||
1639 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1640 | ||
1641 | if (status) | |
1642 | return; | |
1643 | ||
1644 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE); | |
1645 | if (!sent) | |
1646 | return; | |
1647 | ||
1648 | hci_dev_lock(hdev); | |
1649 | ||
1650 | if (*sent) | |
1651 | hci_dev_set_flag(hdev, HCI_LL_RPA_RESOLUTION); | |
1652 | else | |
1653 | hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION); | |
1654 | ||
1655 | hci_dev_unlock(hdev); | |
1656 | } | |
1657 | ||
a8e1bfaa MH |
1658 | static void hci_cc_le_read_max_data_len(struct hci_dev *hdev, |
1659 | struct sk_buff *skb) | |
1660 | { | |
1661 | struct hci_rp_le_read_max_data_len *rp = (void *) skb->data; | |
1662 | ||
1663 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1664 | ||
1665 | if (rp->status) | |
1666 | return; | |
1667 | ||
1668 | hdev->le_max_tx_len = le16_to_cpu(rp->tx_len); | |
1669 | hdev->le_max_tx_time = le16_to_cpu(rp->tx_time); | |
1670 | hdev->le_max_rx_len = le16_to_cpu(rp->rx_len); | |
1671 | hdev->le_max_rx_time = le16_to_cpu(rp->rx_time); | |
1672 | } | |
1673 | ||
6039aa73 GP |
1674 | static void hci_cc_write_le_host_supported(struct hci_dev *hdev, |
1675 | struct sk_buff *skb) | |
f9b49306 | 1676 | { |
06199cf8 | 1677 | struct hci_cp_write_le_host_supported *sent; |
f9b49306 AG |
1678 | __u8 status = *((__u8 *) skb->data); |
1679 | ||
9f1db00c | 1680 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f9b49306 | 1681 | |
45296acd MH |
1682 | if (status) |
1683 | return; | |
1684 | ||
06199cf8 | 1685 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); |
8f984dfa | 1686 | if (!sent) |
f9b49306 AG |
1687 | return; |
1688 | ||
5c1a4c8f JK |
1689 | hci_dev_lock(hdev); |
1690 | ||
45296acd MH |
1691 | if (sent->le) { |
1692 | hdev->features[1][0] |= LMP_HOST_LE; | |
a1536da2 | 1693 | hci_dev_set_flag(hdev, HCI_LE_ENABLED); |
45296acd MH |
1694 | } else { |
1695 | hdev->features[1][0] &= ~LMP_HOST_LE; | |
a358dc11 MH |
1696 | hci_dev_clear_flag(hdev, HCI_LE_ENABLED); |
1697 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); | |
8f984dfa | 1698 | } |
45296acd MH |
1699 | |
1700 | if (sent->simul) | |
1701 | hdev->features[1][0] |= LMP_HOST_LE_BREDR; | |
1702 | else | |
1703 | hdev->features[1][0] &= ~LMP_HOST_LE_BREDR; | |
5c1a4c8f JK |
1704 | |
1705 | hci_dev_unlock(hdev); | |
f9b49306 AG |
1706 | } |
1707 | ||
56ed2cb8 JH |
1708 | static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1709 | { | |
1710 | struct hci_cp_le_set_adv_param *cp; | |
1711 | u8 status = *((u8 *) skb->data); | |
1712 | ||
1713 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1714 | ||
1715 | if (status) | |
1716 | return; | |
1717 | ||
1718 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM); | |
1719 | if (!cp) | |
1720 | return; | |
1721 | ||
1722 | hci_dev_lock(hdev); | |
1723 | hdev->adv_addr_type = cp->own_address_type; | |
1724 | hci_dev_unlock(hdev); | |
1725 | } | |
1726 | ||
de181e88 JK |
1727 | static void hci_cc_set_ext_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1728 | { | |
1729 | struct hci_rp_le_set_ext_adv_params *rp = (void *) skb->data; | |
1730 | struct hci_cp_le_set_ext_adv_params *cp; | |
1731 | struct adv_info *adv_instance; | |
1732 | ||
1733 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1734 | ||
1735 | if (rp->status) | |
1736 | return; | |
1737 | ||
1738 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS); | |
1739 | if (!cp) | |
1740 | return; | |
1741 | ||
1742 | hci_dev_lock(hdev); | |
1743 | hdev->adv_addr_type = cp->own_addr_type; | |
1744 | if (!hdev->cur_adv_instance) { | |
1745 | /* Store in hdev for instance 0 */ | |
1746 | hdev->adv_tx_power = rp->tx_power; | |
1747 | } else { | |
1748 | adv_instance = hci_find_adv_instance(hdev, | |
1749 | hdev->cur_adv_instance); | |
1750 | if (adv_instance) | |
1751 | adv_instance->tx_power = rp->tx_power; | |
1752 | } | |
a0fb3726 JK |
1753 | /* Update adv data as tx power is known now */ |
1754 | hci_req_update_adv_data(hdev, hdev->cur_adv_instance); | |
de181e88 JK |
1755 | hci_dev_unlock(hdev); |
1756 | } | |
1757 | ||
5ae76a94 AK |
1758 | static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) |
1759 | { | |
1760 | struct hci_rp_read_rssi *rp = (void *) skb->data; | |
1761 | struct hci_conn *conn; | |
1762 | ||
1763 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1764 | ||
1765 | if (rp->status) | |
1766 | return; | |
1767 | ||
1768 | hci_dev_lock(hdev); | |
1769 | ||
1770 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
1771 | if (conn) | |
1772 | conn->rssi = rp->rssi; | |
1773 | ||
1774 | hci_dev_unlock(hdev); | |
1775 | } | |
1776 | ||
5a134fae AK |
1777 | static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) |
1778 | { | |
1779 | struct hci_cp_read_tx_power *sent; | |
1780 | struct hci_rp_read_tx_power *rp = (void *) skb->data; | |
1781 | struct hci_conn *conn; | |
1782 | ||
1783 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1784 | ||
1785 | if (rp->status) | |
1786 | return; | |
1787 | ||
1788 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
1789 | if (!sent) | |
1790 | return; | |
1791 | ||
1792 | hci_dev_lock(hdev); | |
1793 | ||
1794 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
d0455ed9 AK |
1795 | if (!conn) |
1796 | goto unlock; | |
1797 | ||
1798 | switch (sent->type) { | |
1799 | case 0x00: | |
5a134fae | 1800 | conn->tx_power = rp->tx_power; |
d0455ed9 AK |
1801 | break; |
1802 | case 0x01: | |
1803 | conn->max_tx_power = rp->tx_power; | |
1804 | break; | |
1805 | } | |
5a134fae | 1806 | |
d0455ed9 | 1807 | unlock: |
5a134fae AK |
1808 | hci_dev_unlock(hdev); |
1809 | } | |
1810 | ||
c50b33c8 MH |
1811 | static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1812 | { | |
1813 | u8 status = *((u8 *) skb->data); | |
1814 | u8 *mode; | |
1815 | ||
1816 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1817 | ||
1818 | if (status) | |
1819 | return; | |
1820 | ||
1821 | mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE); | |
1822 | if (mode) | |
1823 | hdev->ssp_debug_mode = *mode; | |
1824 | } | |
1825 | ||
6039aa73 | 1826 | static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
a9de9248 | 1827 | { |
9f1db00c | 1828 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1829 | |
1830 | if (status) { | |
a9de9248 | 1831 | hci_conn_check_pending(hdev); |
314b2381 JH |
1832 | return; |
1833 | } | |
1834 | ||
89352e7d | 1835 | set_bit(HCI_INQUIRY, &hdev->flags); |
1da177e4 LT |
1836 | } |
1837 | ||
6039aa73 | 1838 | static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1839 | { |
a9de9248 | 1840 | struct hci_cp_create_conn *cp; |
1da177e4 | 1841 | struct hci_conn *conn; |
1da177e4 | 1842 | |
9f1db00c | 1843 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1844 | |
1845 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); | |
1da177e4 LT |
1846 | if (!cp) |
1847 | return; | |
1848 | ||
1849 | hci_dev_lock(hdev); | |
1850 | ||
1851 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
1852 | ||
6ed93dc6 | 1853 | BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); |
1da177e4 LT |
1854 | |
1855 | if (status) { | |
1856 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
1857 | if (status != 0x0c || conn->attempt > 2) { |
1858 | conn->state = BT_CLOSED; | |
539c496d | 1859 | hci_connect_cfm(conn, status); |
4c67bc74 MH |
1860 | hci_conn_del(conn); |
1861 | } else | |
1862 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
1863 | } |
1864 | } else { | |
1865 | if (!conn) { | |
a5c4e309 JH |
1866 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr, |
1867 | HCI_ROLE_MASTER); | |
1868 | if (!conn) | |
2064ee33 | 1869 | bt_dev_err(hdev, "no memory for new connection"); |
1da177e4 LT |
1870 | } |
1871 | } | |
1872 | ||
1873 | hci_dev_unlock(hdev); | |
1874 | } | |
1875 | ||
a9de9248 | 1876 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1877 | { |
a9de9248 MH |
1878 | struct hci_cp_add_sco *cp; |
1879 | struct hci_conn *acl, *sco; | |
1880 | __u16 handle; | |
1da177e4 | 1881 | |
9f1db00c | 1882 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 | 1883 | |
a9de9248 MH |
1884 | if (!status) |
1885 | return; | |
1da177e4 | 1886 | |
a9de9248 MH |
1887 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
1888 | if (!cp) | |
1889 | return; | |
1da177e4 | 1890 | |
a9de9248 | 1891 | handle = __le16_to_cpu(cp->handle); |
1da177e4 | 1892 | |
9f1db00c | 1893 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
1da177e4 | 1894 | |
a9de9248 | 1895 | hci_dev_lock(hdev); |
1da177e4 | 1896 | |
a9de9248 | 1897 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
5a08ecce AE |
1898 | if (acl) { |
1899 | sco = acl->link; | |
1900 | if (sco) { | |
1901 | sco->state = BT_CLOSED; | |
1da177e4 | 1902 | |
539c496d | 1903 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1904 | hci_conn_del(sco); |
1905 | } | |
a9de9248 | 1906 | } |
1da177e4 | 1907 | |
a9de9248 MH |
1908 | hci_dev_unlock(hdev); |
1909 | } | |
1da177e4 | 1910 | |
f8558555 MH |
1911 | static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) |
1912 | { | |
1913 | struct hci_cp_auth_requested *cp; | |
1914 | struct hci_conn *conn; | |
1915 | ||
9f1db00c | 1916 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1917 | |
1918 | if (!status) | |
1919 | return; | |
1920 | ||
1921 | cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); | |
1922 | if (!cp) | |
1923 | return; | |
1924 | ||
1925 | hci_dev_lock(hdev); | |
1926 | ||
1927 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1928 | if (conn) { | |
1929 | if (conn->state == BT_CONFIG) { | |
539c496d | 1930 | hci_connect_cfm(conn, status); |
76a68ba0 | 1931 | hci_conn_drop(conn); |
f8558555 MH |
1932 | } |
1933 | } | |
1934 | ||
1935 | hci_dev_unlock(hdev); | |
1936 | } | |
1937 | ||
1938 | static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) | |
1939 | { | |
1940 | struct hci_cp_set_conn_encrypt *cp; | |
1941 | struct hci_conn *conn; | |
1942 | ||
9f1db00c | 1943 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1944 | |
1945 | if (!status) | |
1946 | return; | |
1947 | ||
1948 | cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); | |
1949 | if (!cp) | |
1950 | return; | |
1951 | ||
1952 | hci_dev_lock(hdev); | |
1953 | ||
1954 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1955 | if (conn) { | |
1956 | if (conn->state == BT_CONFIG) { | |
539c496d | 1957 | hci_connect_cfm(conn, status); |
76a68ba0 | 1958 | hci_conn_drop(conn); |
f8558555 MH |
1959 | } |
1960 | } | |
1961 | ||
1962 | hci_dev_unlock(hdev); | |
1963 | } | |
1964 | ||
127178d2 | 1965 | static int hci_outgoing_auth_needed(struct hci_dev *hdev, |
807deac2 | 1966 | struct hci_conn *conn) |
392599b9 | 1967 | { |
392599b9 JH |
1968 | if (conn->state != BT_CONFIG || !conn->out) |
1969 | return 0; | |
1970 | ||
765c2a96 | 1971 | if (conn->pending_sec_level == BT_SECURITY_SDP) |
392599b9 JH |
1972 | return 0; |
1973 | ||
1974 | /* Only request authentication for SSP connections or non-SSP | |
264b8b4e JH |
1975 | * devices with sec_level MEDIUM or HIGH or if MITM protection |
1976 | * is requested. | |
1977 | */ | |
807deac2 | 1978 | if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && |
7e3691e1 | 1979 | conn->pending_sec_level != BT_SECURITY_FIPS && |
264b8b4e JH |
1980 | conn->pending_sec_level != BT_SECURITY_HIGH && |
1981 | conn->pending_sec_level != BT_SECURITY_MEDIUM) | |
392599b9 JH |
1982 | return 0; |
1983 | ||
392599b9 JH |
1984 | return 1; |
1985 | } | |
1986 | ||
6039aa73 | 1987 | static int hci_resolve_name(struct hci_dev *hdev, |
04124681 | 1988 | struct inquiry_entry *e) |
30dc78e1 JH |
1989 | { |
1990 | struct hci_cp_remote_name_req cp; | |
1991 | ||
1992 | memset(&cp, 0, sizeof(cp)); | |
1993 | ||
1994 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1995 | cp.pscan_rep_mode = e->data.pscan_rep_mode; | |
1996 | cp.pscan_mode = e->data.pscan_mode; | |
1997 | cp.clock_offset = e->data.clock_offset; | |
1998 | ||
1999 | return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
2000 | } | |
2001 | ||
b644ba33 | 2002 | static bool hci_resolve_next_name(struct hci_dev *hdev) |
30dc78e1 JH |
2003 | { |
2004 | struct discovery_state *discov = &hdev->discovery; | |
2005 | struct inquiry_entry *e; | |
2006 | ||
b644ba33 JH |
2007 | if (list_empty(&discov->resolve)) |
2008 | return false; | |
2009 | ||
2010 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
c810089c RM |
2011 | if (!e) |
2012 | return false; | |
2013 | ||
b644ba33 JH |
2014 | if (hci_resolve_name(hdev, e) == 0) { |
2015 | e->name_state = NAME_PENDING; | |
2016 | return true; | |
2017 | } | |
2018 | ||
2019 | return false; | |
2020 | } | |
2021 | ||
2022 | static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, | |
04124681 | 2023 | bdaddr_t *bdaddr, u8 *name, u8 name_len) |
b644ba33 JH |
2024 | { |
2025 | struct discovery_state *discov = &hdev->discovery; | |
2026 | struct inquiry_entry *e; | |
2027 | ||
60cb49d2 JH |
2028 | /* Update the mgmt connected state if necessary. Be careful with |
2029 | * conn objects that exist but are not (yet) connected however. | |
2030 | * Only those in BT_CONFIG or BT_CONNECTED states can be | |
2031 | * considered connected. | |
2032 | */ | |
2033 | if (conn && | |
2034 | (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) && | |
cb77c3ec | 2035 | !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 2036 | mgmt_device_connected(hdev, conn, 0, name, name_len); |
b644ba33 JH |
2037 | |
2038 | if (discov->state == DISCOVERY_STOPPED) | |
2039 | return; | |
2040 | ||
30dc78e1 JH |
2041 | if (discov->state == DISCOVERY_STOPPING) |
2042 | goto discov_complete; | |
2043 | ||
2044 | if (discov->state != DISCOVERY_RESOLVING) | |
2045 | return; | |
2046 | ||
2047 | e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); | |
7cc8380e RM |
2048 | /* If the device was not found in a list of found devices names of which |
2049 | * are pending. there is no need to continue resolving a next name as it | |
2050 | * will be done upon receiving another Remote Name Request Complete | |
2051 | * Event */ | |
2052 | if (!e) | |
2053 | return; | |
2054 | ||
2055 | list_del(&e->list); | |
2056 | if (name) { | |
30dc78e1 | 2057 | e->name_state = NAME_KNOWN; |
7cc8380e RM |
2058 | mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, |
2059 | e->data.rssi, name, name_len); | |
c3e7c0d9 RM |
2060 | } else { |
2061 | e->name_state = NAME_NOT_KNOWN; | |
30dc78e1 JH |
2062 | } |
2063 | ||
b644ba33 | 2064 | if (hci_resolve_next_name(hdev)) |
30dc78e1 | 2065 | return; |
30dc78e1 JH |
2066 | |
2067 | discov_complete: | |
2068 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
2069 | } | |
2070 | ||
a9de9248 MH |
2071 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
2072 | { | |
127178d2 JH |
2073 | struct hci_cp_remote_name_req *cp; |
2074 | struct hci_conn *conn; | |
2075 | ||
9f1db00c | 2076 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
127178d2 JH |
2077 | |
2078 | /* If successful wait for the name req complete event before | |
2079 | * checking for the need to do authentication */ | |
2080 | if (!status) | |
2081 | return; | |
2082 | ||
2083 | cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); | |
2084 | if (!cp) | |
2085 | return; | |
2086 | ||
2087 | hci_dev_lock(hdev); | |
2088 | ||
b644ba33 JH |
2089 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
2090 | ||
d7a5a11d | 2091 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 2092 | hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); |
30dc78e1 | 2093 | |
79c6c70c JH |
2094 | if (!conn) |
2095 | goto unlock; | |
2096 | ||
2097 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2098 | goto unlock; | |
2099 | ||
51a8efd7 | 2100 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
c1f23a2b JB |
2101 | struct hci_cp_auth_requested auth_cp; |
2102 | ||
977f8fce JH |
2103 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); |
2104 | ||
c1f23a2b JB |
2105 | auth_cp.handle = __cpu_to_le16(conn->handle); |
2106 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, | |
2107 | sizeof(auth_cp), &auth_cp); | |
127178d2 JH |
2108 | } |
2109 | ||
79c6c70c | 2110 | unlock: |
127178d2 | 2111 | hci_dev_unlock(hdev); |
a9de9248 | 2112 | } |
1da177e4 | 2113 | |
769be974 MH |
2114 | static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) |
2115 | { | |
2116 | struct hci_cp_read_remote_features *cp; | |
2117 | struct hci_conn *conn; | |
2118 | ||
9f1db00c | 2119 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
2120 | |
2121 | if (!status) | |
2122 | return; | |
2123 | ||
2124 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); | |
2125 | if (!cp) | |
2126 | return; | |
2127 | ||
2128 | hci_dev_lock(hdev); | |
2129 | ||
2130 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2131 | if (conn) { | |
2132 | if (conn->state == BT_CONFIG) { | |
539c496d | 2133 | hci_connect_cfm(conn, status); |
76a68ba0 | 2134 | hci_conn_drop(conn); |
769be974 MH |
2135 | } |
2136 | } | |
2137 | ||
2138 | hci_dev_unlock(hdev); | |
2139 | } | |
2140 | ||
2141 | static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) | |
2142 | { | |
2143 | struct hci_cp_read_remote_ext_features *cp; | |
2144 | struct hci_conn *conn; | |
2145 | ||
9f1db00c | 2146 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
2147 | |
2148 | if (!status) | |
2149 | return; | |
2150 | ||
2151 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); | |
2152 | if (!cp) | |
2153 | return; | |
2154 | ||
2155 | hci_dev_lock(hdev); | |
2156 | ||
2157 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2158 | if (conn) { | |
2159 | if (conn->state == BT_CONFIG) { | |
539c496d | 2160 | hci_connect_cfm(conn, status); |
76a68ba0 | 2161 | hci_conn_drop(conn); |
769be974 MH |
2162 | } |
2163 | } | |
2164 | ||
2165 | hci_dev_unlock(hdev); | |
2166 | } | |
2167 | ||
a9de9248 MH |
2168 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
2169 | { | |
b6a0dc82 MH |
2170 | struct hci_cp_setup_sync_conn *cp; |
2171 | struct hci_conn *acl, *sco; | |
2172 | __u16 handle; | |
2173 | ||
9f1db00c | 2174 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 MH |
2175 | |
2176 | if (!status) | |
2177 | return; | |
2178 | ||
2179 | cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); | |
2180 | if (!cp) | |
2181 | return; | |
2182 | ||
2183 | handle = __le16_to_cpu(cp->handle); | |
2184 | ||
9f1db00c | 2185 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
b6a0dc82 MH |
2186 | |
2187 | hci_dev_lock(hdev); | |
2188 | ||
2189 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
5a08ecce AE |
2190 | if (acl) { |
2191 | sco = acl->link; | |
2192 | if (sco) { | |
2193 | sco->state = BT_CLOSED; | |
b6a0dc82 | 2194 | |
539c496d | 2195 | hci_connect_cfm(sco, status); |
5a08ecce AE |
2196 | hci_conn_del(sco); |
2197 | } | |
b6a0dc82 MH |
2198 | } |
2199 | ||
2200 | hci_dev_unlock(hdev); | |
1da177e4 LT |
2201 | } |
2202 | ||
a9de9248 | 2203 | static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) |
1da177e4 | 2204 | { |
a9de9248 MH |
2205 | struct hci_cp_sniff_mode *cp; |
2206 | struct hci_conn *conn; | |
1da177e4 | 2207 | |
9f1db00c | 2208 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 2209 | |
a9de9248 MH |
2210 | if (!status) |
2211 | return; | |
04837f64 | 2212 | |
a9de9248 MH |
2213 | cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
2214 | if (!cp) | |
2215 | return; | |
04837f64 | 2216 | |
a9de9248 | 2217 | hci_dev_lock(hdev); |
04837f64 | 2218 | |
a9de9248 | 2219 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 2220 | if (conn) { |
51a8efd7 | 2221 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
04837f64 | 2222 | |
51a8efd7 | 2223 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
2224 | hci_sco_setup(conn, status); |
2225 | } | |
2226 | ||
a9de9248 MH |
2227 | hci_dev_unlock(hdev); |
2228 | } | |
04837f64 | 2229 | |
a9de9248 MH |
2230 | static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) |
2231 | { | |
2232 | struct hci_cp_exit_sniff_mode *cp; | |
2233 | struct hci_conn *conn; | |
04837f64 | 2234 | |
9f1db00c | 2235 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 2236 | |
a9de9248 MH |
2237 | if (!status) |
2238 | return; | |
04837f64 | 2239 | |
a9de9248 MH |
2240 | cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
2241 | if (!cp) | |
2242 | return; | |
04837f64 | 2243 | |
a9de9248 | 2244 | hci_dev_lock(hdev); |
1da177e4 | 2245 | |
a9de9248 | 2246 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 2247 | if (conn) { |
51a8efd7 | 2248 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
1da177e4 | 2249 | |
51a8efd7 | 2250 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
2251 | hci_sco_setup(conn, status); |
2252 | } | |
2253 | ||
a9de9248 | 2254 | hci_dev_unlock(hdev); |
1da177e4 LT |
2255 | } |
2256 | ||
88c3df13 JH |
2257 | static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) |
2258 | { | |
2259 | struct hci_cp_disconnect *cp; | |
2260 | struct hci_conn *conn; | |
2261 | ||
2262 | if (!status) | |
2263 | return; | |
2264 | ||
2265 | cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); | |
2266 | if (!cp) | |
2267 | return; | |
2268 | ||
2269 | hci_dev_lock(hdev); | |
2270 | ||
2271 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
b8d29052 JH |
2272 | if (conn) { |
2273 | u8 type = conn->type; | |
2274 | ||
88c3df13 | 2275 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2276 | conn->dst_type, status); |
88c3df13 | 2277 | |
b8d29052 JH |
2278 | /* If the disconnection failed for any reason, the upper layer |
2279 | * does not retry to disconnect in current implementation. | |
2280 | * Hence, we need to do some basic cleanup here and re-enable | |
2281 | * advertising if necessary. | |
2282 | */ | |
2283 | hci_conn_del(conn); | |
2284 | if (type == LE_LINK) | |
2285 | hci_req_reenable_advertising(hdev); | |
2286 | } | |
2287 | ||
88c3df13 JH |
2288 | hci_dev_unlock(hdev); |
2289 | } | |
2290 | ||
d12fb056 JK |
2291 | static void cs_le_create_conn(struct hci_dev *hdev, bdaddr_t *peer_addr, |
2292 | u8 peer_addr_type, u8 own_address_type, | |
2293 | u8 filter_policy) | |
cb1d68f7 | 2294 | { |
cb1d68f7 JH |
2295 | struct hci_conn *conn; |
2296 | ||
d12fb056 JK |
2297 | conn = hci_conn_hash_lookup_le(hdev, peer_addr, |
2298 | peer_addr_type); | |
cb1d68f7 | 2299 | if (!conn) |
d12fb056 | 2300 | return; |
cb1d68f7 | 2301 | |
b31bc00b SN |
2302 | /* When using controller based address resolution, then the new |
2303 | * address types 0x02 and 0x03 are used. These types need to be | |
2304 | * converted back into either public address or random address type | |
2305 | */ | |
2306 | if (use_ll_privacy(hdev) && | |
2307 | hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) { | |
2308 | switch (own_address_type) { | |
2309 | case ADDR_LE_DEV_PUBLIC_RESOLVED: | |
2310 | own_address_type = ADDR_LE_DEV_PUBLIC; | |
2311 | break; | |
2312 | case ADDR_LE_DEV_RANDOM_RESOLVED: | |
2313 | own_address_type = ADDR_LE_DEV_RANDOM; | |
2314 | break; | |
2315 | } | |
2316 | } | |
2317 | ||
cb1d68f7 JH |
2318 | /* Store the initiator and responder address information which |
2319 | * is needed for SMP. These values will not change during the | |
2320 | * lifetime of the connection. | |
2321 | */ | |
d12fb056 JK |
2322 | conn->init_addr_type = own_address_type; |
2323 | if (own_address_type == ADDR_LE_DEV_RANDOM) | |
cb1d68f7 JH |
2324 | bacpy(&conn->init_addr, &hdev->random_addr); |
2325 | else | |
2326 | bacpy(&conn->init_addr, &hdev->bdaddr); | |
2327 | ||
d12fb056 JK |
2328 | conn->resp_addr_type = peer_addr_type; |
2329 | bacpy(&conn->resp_addr, peer_addr); | |
cb1d68f7 | 2330 | |
9489eca4 JH |
2331 | /* We don't want the connection attempt to stick around |
2332 | * indefinitely since LE doesn't have a page timeout concept | |
2333 | * like BR/EDR. Set a timer for any connection that doesn't use | |
2334 | * the white list for connecting. | |
2335 | */ | |
d12fb056 | 2336 | if (filter_policy == HCI_LE_USE_PEER_ADDR) |
9489eca4 JH |
2337 | queue_delayed_work(conn->hdev->workqueue, |
2338 | &conn->le_conn_timeout, | |
09ae260b | 2339 | conn->conn_timeout); |
d12fb056 JK |
2340 | } |
2341 | ||
2342 | static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status) | |
2343 | { | |
2344 | struct hci_cp_le_create_conn *cp; | |
2345 | ||
2346 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2347 | ||
2348 | /* All connection failure handling is taken care of by the | |
2349 | * hci_le_conn_failed function which is triggered by the HCI | |
2350 | * request completion callbacks used for connecting. | |
2351 | */ | |
2352 | if (status) | |
2353 | return; | |
2354 | ||
2355 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); | |
2356 | if (!cp) | |
2357 | return; | |
2358 | ||
2359 | hci_dev_lock(hdev); | |
2360 | ||
2361 | cs_le_create_conn(hdev, &cp->peer_addr, cp->peer_addr_type, | |
2362 | cp->own_address_type, cp->filter_policy); | |
9489eca4 | 2363 | |
cb1d68f7 JH |
2364 | hci_dev_unlock(hdev); |
2365 | } | |
2366 | ||
4d94f95d JK |
2367 | static void hci_cs_le_ext_create_conn(struct hci_dev *hdev, u8 status) |
2368 | { | |
2369 | struct hci_cp_le_ext_create_conn *cp; | |
2370 | ||
2371 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2372 | ||
2373 | /* All connection failure handling is taken care of by the | |
2374 | * hci_le_conn_failed function which is triggered by the HCI | |
2375 | * request completion callbacks used for connecting. | |
2376 | */ | |
2377 | if (status) | |
2378 | return; | |
2379 | ||
2380 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_EXT_CREATE_CONN); | |
2381 | if (!cp) | |
2382 | return; | |
2383 | ||
2384 | hci_dev_lock(hdev); | |
2385 | ||
2386 | cs_le_create_conn(hdev, &cp->peer_addr, cp->peer_addr_type, | |
2387 | cp->own_addr_type, cp->filter_policy); | |
2388 | ||
2389 | hci_dev_unlock(hdev); | |
2390 | } | |
2391 | ||
0fe29fd1 MH |
2392 | static void hci_cs_le_read_remote_features(struct hci_dev *hdev, u8 status) |
2393 | { | |
2394 | struct hci_cp_le_read_remote_features *cp; | |
2395 | struct hci_conn *conn; | |
2396 | ||
2397 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2398 | ||
2399 | if (!status) | |
2400 | return; | |
2401 | ||
2402 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_READ_REMOTE_FEATURES); | |
2403 | if (!cp) | |
2404 | return; | |
2405 | ||
2406 | hci_dev_lock(hdev); | |
2407 | ||
2408 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2409 | if (conn) { | |
2410 | if (conn->state == BT_CONFIG) { | |
2411 | hci_connect_cfm(conn, status); | |
2412 | hci_conn_drop(conn); | |
2413 | } | |
2414 | } | |
2415 | ||
2416 | hci_dev_unlock(hdev); | |
2417 | } | |
2418 | ||
81d0c8ad JH |
2419 | static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) |
2420 | { | |
2421 | struct hci_cp_le_start_enc *cp; | |
2422 | struct hci_conn *conn; | |
2423 | ||
2424 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2425 | ||
2426 | if (!status) | |
2427 | return; | |
2428 | ||
2429 | hci_dev_lock(hdev); | |
2430 | ||
2431 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); | |
2432 | if (!cp) | |
2433 | goto unlock; | |
2434 | ||
2435 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2436 | if (!conn) | |
2437 | goto unlock; | |
2438 | ||
2439 | if (conn->state != BT_CONNECTED) | |
2440 | goto unlock; | |
2441 | ||
2442 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
2443 | hci_conn_drop(conn); | |
2444 | ||
2445 | unlock: | |
2446 | hci_dev_unlock(hdev); | |
2447 | } | |
2448 | ||
50fc85f1 KP |
2449 | static void hci_cs_switch_role(struct hci_dev *hdev, u8 status) |
2450 | { | |
2451 | struct hci_cp_switch_role *cp; | |
2452 | struct hci_conn *conn; | |
2453 | ||
2454 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2455 | ||
2456 | if (!status) | |
2457 | return; | |
2458 | ||
2459 | cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE); | |
2460 | if (!cp) | |
2461 | return; | |
2462 | ||
2463 | hci_dev_lock(hdev); | |
2464 | ||
2465 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
2466 | if (conn) | |
2467 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); | |
2468 | ||
2469 | hci_dev_unlock(hdev); | |
2470 | } | |
2471 | ||
6039aa73 | 2472 | static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 LT |
2473 | { |
2474 | __u8 status = *((__u8 *) skb->data); | |
30dc78e1 JH |
2475 | struct discovery_state *discov = &hdev->discovery; |
2476 | struct inquiry_entry *e; | |
1da177e4 | 2477 | |
9f1db00c | 2478 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 2479 | |
a9de9248 | 2480 | hci_conn_check_pending(hdev); |
89352e7d AG |
2481 | |
2482 | if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) | |
2483 | return; | |
2484 | ||
4e857c58 | 2485 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e AG |
2486 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
2487 | ||
d7a5a11d | 2488 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
30dc78e1 JH |
2489 | return; |
2490 | ||
56e5cb86 | 2491 | hci_dev_lock(hdev); |
30dc78e1 | 2492 | |
343f935b | 2493 | if (discov->state != DISCOVERY_FINDING) |
30dc78e1 JH |
2494 | goto unlock; |
2495 | ||
2496 | if (list_empty(&discov->resolve)) { | |
07d2334a JP |
2497 | /* When BR/EDR inquiry is active and no LE scanning is in |
2498 | * progress, then change discovery state to indicate completion. | |
2499 | * | |
2500 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2501 | * and the LE scan already finished, then change the discovery | |
2502 | * state to indicate completion. | |
2503 | */ | |
2504 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2505 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2506 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2507 | goto unlock; |
2508 | } | |
2509 | ||
2510 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
2511 | if (e && hci_resolve_name(hdev, e) == 0) { | |
2512 | e->name_state = NAME_PENDING; | |
2513 | hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); | |
2514 | } else { | |
07d2334a JP |
2515 | /* When BR/EDR inquiry is active and no LE scanning is in |
2516 | * progress, then change discovery state to indicate completion. | |
2517 | * | |
2518 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2519 | * and the LE scan already finished, then change the discovery | |
2520 | * state to indicate completion. | |
2521 | */ | |
2522 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2523 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2524 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2525 | } |
2526 | ||
2527 | unlock: | |
56e5cb86 | 2528 | hci_dev_unlock(hdev); |
1da177e4 LT |
2529 | } |
2530 | ||
6039aa73 | 2531 | static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2532 | { |
45bb4bf0 | 2533 | struct inquiry_data data; |
a9de9248 | 2534 | struct inquiry_info *info = (void *) (skb->data + 1); |
1da177e4 LT |
2535 | int num_rsp = *((__u8 *) skb->data); |
2536 | ||
2537 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
2538 | ||
75bbd2ea | 2539 | if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1) |
45bb4bf0 MH |
2540 | return; |
2541 | ||
d7a5a11d | 2542 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
2543 | return; |
2544 | ||
1da177e4 | 2545 | hci_dev_lock(hdev); |
45bb4bf0 | 2546 | |
e17acd40 | 2547 | for (; num_rsp; num_rsp--, info++) { |
af58925c | 2548 | u32 flags; |
3175405b | 2549 | |
1da177e4 LT |
2550 | bacpy(&data.bdaddr, &info->bdaddr); |
2551 | data.pscan_rep_mode = info->pscan_rep_mode; | |
2552 | data.pscan_period_mode = info->pscan_period_mode; | |
2553 | data.pscan_mode = info->pscan_mode; | |
2554 | memcpy(data.dev_class, info->dev_class, 3); | |
2555 | data.clock_offset = info->clock_offset; | |
efb2513f | 2556 | data.rssi = HCI_RSSI_INVALID; |
41a96212 | 2557 | data.ssp_mode = 0x00; |
3175405b | 2558 | |
af58925c MH |
2559 | flags = hci_inquiry_cache_update(hdev, &data, false); |
2560 | ||
48264f06 | 2561 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
efb2513f MH |
2562 | info->dev_class, HCI_RSSI_INVALID, |
2563 | flags, NULL, 0, NULL, 0); | |
1da177e4 | 2564 | } |
45bb4bf0 | 2565 | |
1da177e4 LT |
2566 | hci_dev_unlock(hdev); |
2567 | } | |
2568 | ||
6039aa73 | 2569 | static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2570 | { |
a9de9248 MH |
2571 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
2572 | struct hci_conn *conn; | |
1da177e4 LT |
2573 | |
2574 | BT_DBG("%s", hdev->name); | |
2575 | ||
2576 | hci_dev_lock(hdev); | |
2577 | ||
2578 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9499237a | 2579 | if (!conn) { |
a46b7ed4 SS |
2580 | /* Connection may not exist if auto-connected. Check the bredr |
2581 | * allowlist to see if this device is allowed to auto connect. | |
2582 | * If link is an ACL type, create a connection class | |
4f40afc6 | 2583 | * automatically. |
a46b7ed4 SS |
2584 | * |
2585 | * Auto-connect will only occur if the event filter is | |
2586 | * programmed with a given address. Right now, event filter is | |
2587 | * only used during suspend. | |
4f40afc6 | 2588 | */ |
a46b7ed4 SS |
2589 | if (ev->link_type == ACL_LINK && |
2590 | hci_bdaddr_list_lookup_with_flags(&hdev->whitelist, | |
2591 | &ev->bdaddr, | |
2592 | BDADDR_BREDR)) { | |
4f40afc6 APS |
2593 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
2594 | HCI_ROLE_SLAVE); | |
2595 | if (!conn) { | |
2596 | bt_dev_err(hdev, "no memory for new conn"); | |
2597 | goto unlock; | |
2598 | } | |
2d186fcd APS |
2599 | } else { |
2600 | if (ev->link_type != SCO_LINK) | |
2601 | goto unlock; | |
9499237a | 2602 | |
2d186fcd APS |
2603 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, |
2604 | &ev->bdaddr); | |
2605 | if (!conn) | |
2606 | goto unlock; | |
9499237a | 2607 | |
2d186fcd APS |
2608 | conn->type = SCO_LINK; |
2609 | } | |
9499237a | 2610 | } |
1da177e4 LT |
2611 | |
2612 | if (!ev->status) { | |
2613 | conn->handle = __le16_to_cpu(ev->handle); | |
769be974 MH |
2614 | |
2615 | if (conn->type == ACL_LINK) { | |
2616 | conn->state = BT_CONFIG; | |
2617 | hci_conn_hold(conn); | |
a9ea3ed9 SJ |
2618 | |
2619 | if (!conn->out && !hci_conn_ssp_enabled(conn) && | |
2620 | !hci_find_link_key(hdev, &ev->bdaddr)) | |
2621 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
2622 | else | |
2623 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
769be974 MH |
2624 | } else |
2625 | conn->state = BT_CONNECTED; | |
1da177e4 | 2626 | |
23b9ceb7 | 2627 | hci_debugfs_create_conn(conn); |
7d0db0a3 MH |
2628 | hci_conn_add_sysfs(conn); |
2629 | ||
1da177e4 | 2630 | if (test_bit(HCI_AUTH, &hdev->flags)) |
4dae2798 | 2631 | set_bit(HCI_CONN_AUTH, &conn->flags); |
1da177e4 LT |
2632 | |
2633 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
4dae2798 | 2634 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
1da177e4 | 2635 | |
04837f64 MH |
2636 | /* Get remote features */ |
2637 | if (conn->type == ACL_LINK) { | |
2638 | struct hci_cp_read_remote_features cp; | |
2639 | cp.handle = ev->handle; | |
769be974 | 2640 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
04124681 | 2641 | sizeof(cp), &cp); |
22f433dc | 2642 | |
01b1cb87 | 2643 | hci_req_update_scan(hdev); |
04837f64 MH |
2644 | } |
2645 | ||
1da177e4 | 2646 | /* Set packet type for incoming connection */ |
d095c1eb | 2647 | if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { |
1da177e4 LT |
2648 | struct hci_cp_change_conn_ptype cp; |
2649 | cp.handle = ev->handle; | |
a8746417 | 2650 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
04124681 GP |
2651 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), |
2652 | &cp); | |
1da177e4 | 2653 | } |
17d5c04c | 2654 | } else { |
1da177e4 | 2655 | conn->state = BT_CLOSED; |
17d5c04c | 2656 | if (conn->type == ACL_LINK) |
64c7b77c | 2657 | mgmt_connect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2658 | conn->dst_type, ev->status); |
17d5c04c | 2659 | } |
1da177e4 | 2660 | |
e73439d8 MH |
2661 | if (conn->type == ACL_LINK) |
2662 | hci_sco_setup(conn, ev->status); | |
1da177e4 | 2663 | |
769be974 | 2664 | if (ev->status) { |
539c496d | 2665 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2666 | hci_conn_del(conn); |
1f8330ea SN |
2667 | } else if (ev->link_type == SCO_LINK) { |
2668 | switch (conn->setting & SCO_AIRMODE_MASK) { | |
2669 | case SCO_AIRMODE_CVSD: | |
2670 | if (hdev->notify) | |
2671 | hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD); | |
2672 | break; | |
2673 | } | |
2674 | ||
539c496d | 2675 | hci_connect_cfm(conn, ev->status); |
1f8330ea | 2676 | } |
1da177e4 | 2677 | |
a9de9248 | 2678 | unlock: |
1da177e4 | 2679 | hci_dev_unlock(hdev); |
1da177e4 | 2680 | |
a9de9248 | 2681 | hci_conn_check_pending(hdev); |
1da177e4 LT |
2682 | } |
2683 | ||
70c46425 JH |
2684 | static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr) |
2685 | { | |
2686 | struct hci_cp_reject_conn_req cp; | |
2687 | ||
2688 | bacpy(&cp.bdaddr, bdaddr); | |
2689 | cp.reason = HCI_ERROR_REJ_BAD_ADDR; | |
2690 | hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); | |
2691 | } | |
2692 | ||
6039aa73 | 2693 | static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2694 | { |
a9de9248 MH |
2695 | struct hci_ev_conn_request *ev = (void *) skb->data; |
2696 | int mask = hdev->link_mode; | |
70c46425 JH |
2697 | struct inquiry_entry *ie; |
2698 | struct hci_conn *conn; | |
20714bfe | 2699 | __u8 flags = 0; |
1da177e4 | 2700 | |
6ed93dc6 | 2701 | BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, |
807deac2 | 2702 | ev->link_type); |
1da177e4 | 2703 | |
20714bfe FD |
2704 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, |
2705 | &flags); | |
1da177e4 | 2706 | |
70c46425 JH |
2707 | if (!(mask & HCI_LM_ACCEPT)) { |
2708 | hci_reject_conn(hdev, &ev->bdaddr); | |
2709 | return; | |
2710 | } | |
2711 | ||
46c4c941 JH |
2712 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr, |
2713 | BDADDR_BREDR)) { | |
2714 | hci_reject_conn(hdev, &ev->bdaddr); | |
2715 | return; | |
2716 | } | |
2717 | ||
6a8fc95c JH |
2718 | /* Require HCI_CONNECTABLE or a whitelist entry to accept the |
2719 | * connection. These features are only touched through mgmt so | |
2720 | * only do the checks if HCI_MGMT is set. | |
2721 | */ | |
d7a5a11d MH |
2722 | if (hci_dev_test_flag(hdev, HCI_MGMT) && |
2723 | !hci_dev_test_flag(hdev, HCI_CONNECTABLE) && | |
8baaa403 APS |
2724 | !hci_bdaddr_list_lookup_with_flags(&hdev->whitelist, &ev->bdaddr, |
2725 | BDADDR_BREDR)) { | |
2726 | hci_reject_conn(hdev, &ev->bdaddr); | |
2727 | return; | |
70c46425 | 2728 | } |
1da177e4 | 2729 | |
70c46425 | 2730 | /* Connection accepted */ |
b6a0dc82 | 2731 | |
70c46425 JH |
2732 | hci_dev_lock(hdev); |
2733 | ||
2734 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); | |
2735 | if (ie) | |
2736 | memcpy(ie->data.dev_class, ev->dev_class, 3); | |
c7bdd502 | 2737 | |
70c46425 JH |
2738 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, |
2739 | &ev->bdaddr); | |
2740 | if (!conn) { | |
a5c4e309 JH |
2741 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
2742 | HCI_ROLE_SLAVE); | |
a9de9248 | 2743 | if (!conn) { |
2064ee33 | 2744 | bt_dev_err(hdev, "no memory for new connection"); |
70c46425 JH |
2745 | hci_dev_unlock(hdev); |
2746 | return; | |
1da177e4 | 2747 | } |
70c46425 | 2748 | } |
b6a0dc82 | 2749 | |
70c46425 | 2750 | memcpy(conn->dev_class, ev->dev_class, 3); |
b6a0dc82 | 2751 | |
70c46425 | 2752 | hci_dev_unlock(hdev); |
1da177e4 | 2753 | |
70c46425 JH |
2754 | if (ev->link_type == ACL_LINK || |
2755 | (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { | |
2756 | struct hci_cp_accept_conn_req cp; | |
2757 | conn->state = BT_CONNECT; | |
1da177e4 | 2758 | |
70c46425 | 2759 | bacpy(&cp.bdaddr, &ev->bdaddr); |
b6a0dc82 | 2760 | |
70c46425 JH |
2761 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) |
2762 | cp.role = 0x00; /* Become master */ | |
2763 | else | |
2764 | cp.role = 0x01; /* Remain slave */ | |
b6a0dc82 | 2765 | |
70c46425 JH |
2766 | hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); |
2767 | } else if (!(flags & HCI_PROTO_DEFER)) { | |
2768 | struct hci_cp_accept_sync_conn_req cp; | |
2769 | conn->state = BT_CONNECT; | |
b6a0dc82 | 2770 | |
70c46425 JH |
2771 | bacpy(&cp.bdaddr, &ev->bdaddr); |
2772 | cp.pkt_type = cpu_to_le16(conn->pkt_type); | |
b6a0dc82 | 2773 | |
70c46425 JH |
2774 | cp.tx_bandwidth = cpu_to_le32(0x00001f40); |
2775 | cp.rx_bandwidth = cpu_to_le32(0x00001f40); | |
2776 | cp.max_latency = cpu_to_le16(0xffff); | |
2777 | cp.content_format = cpu_to_le16(hdev->voice_setting); | |
2778 | cp.retrans_effort = 0xff; | |
1da177e4 | 2779 | |
70c46425 JH |
2780 | hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp), |
2781 | &cp); | |
a9de9248 | 2782 | } else { |
70c46425 | 2783 | conn->state = BT_CONNECT2; |
539c496d | 2784 | hci_connect_cfm(conn, 0); |
1da177e4 | 2785 | } |
1da177e4 LT |
2786 | } |
2787 | ||
f0d6a0ea MA |
2788 | static u8 hci_to_mgmt_reason(u8 err) |
2789 | { | |
2790 | switch (err) { | |
2791 | case HCI_ERROR_CONNECTION_TIMEOUT: | |
2792 | return MGMT_DEV_DISCONN_TIMEOUT; | |
2793 | case HCI_ERROR_REMOTE_USER_TERM: | |
2794 | case HCI_ERROR_REMOTE_LOW_RESOURCES: | |
2795 | case HCI_ERROR_REMOTE_POWER_OFF: | |
2796 | return MGMT_DEV_DISCONN_REMOTE; | |
2797 | case HCI_ERROR_LOCAL_HOST_TERM: | |
2798 | return MGMT_DEV_DISCONN_LOCAL_HOST; | |
2799 | default: | |
2800 | return MGMT_DEV_DISCONN_UNKNOWN; | |
2801 | } | |
2802 | } | |
2803 | ||
6039aa73 | 2804 | static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 2805 | { |
a9de9248 | 2806 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
160b9251 | 2807 | u8 reason; |
9fcb18ef | 2808 | struct hci_conn_params *params; |
04837f64 | 2809 | struct hci_conn *conn; |
12d4a3b2 | 2810 | bool mgmt_connected; |
3846220b | 2811 | u8 type; |
04837f64 | 2812 | |
9f1db00c | 2813 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
2814 | |
2815 | hci_dev_lock(hdev); | |
2816 | ||
2817 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
f7520543 JH |
2818 | if (!conn) |
2819 | goto unlock; | |
7d0db0a3 | 2820 | |
abf54a50 AG |
2821 | if (ev->status) { |
2822 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
2823 | conn->dst_type, ev->status); | |
2824 | goto unlock; | |
37d9ef76 | 2825 | } |
f7520543 | 2826 | |
3846220b AG |
2827 | conn->state = BT_CLOSED; |
2828 | ||
12d4a3b2 | 2829 | mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); |
160b9251 SJ |
2830 | |
2831 | if (test_bit(HCI_CONN_AUTH_FAILURE, &conn->flags)) | |
2832 | reason = MGMT_DEV_DISCONN_AUTH_FAILURE; | |
2833 | else | |
2834 | reason = hci_to_mgmt_reason(ev->reason); | |
2835 | ||
12d4a3b2 JH |
2836 | mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, |
2837 | reason, mgmt_connected); | |
abf54a50 | 2838 | |
22f433dc JH |
2839 | if (conn->type == ACL_LINK) { |
2840 | if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) | |
2841 | hci_remove_link_key(hdev, &conn->dst); | |
2842 | ||
01b1cb87 | 2843 | hci_req_update_scan(hdev); |
22f433dc | 2844 | } |
2210246c | 2845 | |
9fcb18ef AG |
2846 | params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); |
2847 | if (params) { | |
2848 | switch (params->auto_connect) { | |
2849 | case HCI_AUTO_CONN_LINK_LOSS: | |
2850 | if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT) | |
2851 | break; | |
19186c7b | 2852 | fallthrough; |
9fcb18ef | 2853 | |
4b9e7e75 | 2854 | case HCI_AUTO_CONN_DIRECT: |
9fcb18ef | 2855 | case HCI_AUTO_CONN_ALWAYS: |
418025d1 JH |
2856 | list_del_init(¶ms->action); |
2857 | list_add(¶ms->action, &hdev->pend_le_conns); | |
2858 | hci_update_background_scan(hdev); | |
9fcb18ef AG |
2859 | break; |
2860 | ||
2861 | default: | |
2862 | break; | |
2863 | } | |
2864 | } | |
2865 | ||
3846220b | 2866 | type = conn->type; |
2210246c | 2867 | |
3a6d576b | 2868 | hci_disconn_cfm(conn, ev->reason); |
3846220b AG |
2869 | hci_conn_del(conn); |
2870 | ||
4f40afc6 APS |
2871 | /* The suspend notifier is waiting for all devices to disconnect so |
2872 | * clear the bit from pending tasks and inform the wait queue. | |
2873 | */ | |
2874 | if (list_empty(&hdev->conn_hash.list) && | |
2875 | test_and_clear_bit(SUSPEND_DISCONNECTING, hdev->suspend_tasks)) { | |
2876 | wake_up(&hdev->suspend_wait_q); | |
2877 | } | |
2878 | ||
3846220b AG |
2879 | /* Re-enable advertising if necessary, since it might |
2880 | * have been disabled by the connection. From the | |
2881 | * HCI_LE_Set_Advertise_Enable command description in | |
2882 | * the core specification (v4.0): | |
2883 | * "The Controller shall continue advertising until the Host | |
2884 | * issues an LE_Set_Advertise_Enable command with | |
2885 | * Advertising_Enable set to 0x00 (Advertising is disabled) | |
2886 | * or until a connection is created or until the Advertising | |
2887 | * is timed out due to Directed Advertising." | |
2888 | */ | |
2889 | if (type == LE_LINK) | |
f2252570 | 2890 | hci_req_reenable_advertising(hdev); |
f7520543 JH |
2891 | |
2892 | unlock: | |
04837f64 MH |
2893 | hci_dev_unlock(hdev); |
2894 | } | |
2895 | ||
6039aa73 | 2896 | static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2897 | { |
a9de9248 | 2898 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
04837f64 | 2899 | struct hci_conn *conn; |
1da177e4 | 2900 | |
9f1db00c | 2901 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2902 | |
2903 | hci_dev_lock(hdev); | |
2904 | ||
04837f64 | 2905 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
d7556e20 WR |
2906 | if (!conn) |
2907 | goto unlock; | |
2908 | ||
2909 | if (!ev->status) { | |
160b9251 SJ |
2910 | clear_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); |
2911 | ||
aa64a8b5 | 2912 | if (!hci_conn_ssp_enabled(conn) && |
807deac2 | 2913 | test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { |
2064ee33 | 2914 | bt_dev_info(hdev, "re-auth of legacy device is not possible."); |
2a611692 | 2915 | } else { |
4dae2798 | 2916 | set_bit(HCI_CONN_AUTH, &conn->flags); |
d7556e20 | 2917 | conn->sec_level = conn->pending_sec_level; |
2a611692 | 2918 | } |
d7556e20 | 2919 | } else { |
160b9251 SJ |
2920 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
2921 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); | |
2922 | ||
e1e930f5 | 2923 | mgmt_auth_failed(conn, ev->status); |
d7556e20 | 2924 | } |
1da177e4 | 2925 | |
51a8efd7 JH |
2926 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
2927 | clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); | |
1da177e4 | 2928 | |
d7556e20 | 2929 | if (conn->state == BT_CONFIG) { |
aa64a8b5 | 2930 | if (!ev->status && hci_conn_ssp_enabled(conn)) { |
d7556e20 WR |
2931 | struct hci_cp_set_conn_encrypt cp; |
2932 | cp.handle = ev->handle; | |
2933 | cp.encrypt = 0x01; | |
2934 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2935 | &cp); |
052b30b0 | 2936 | } else { |
d7556e20 | 2937 | conn->state = BT_CONNECTED; |
539c496d | 2938 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2939 | hci_conn_drop(conn); |
052b30b0 | 2940 | } |
d7556e20 WR |
2941 | } else { |
2942 | hci_auth_cfm(conn, ev->status); | |
052b30b0 | 2943 | |
d7556e20 WR |
2944 | hci_conn_hold(conn); |
2945 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 2946 | hci_conn_drop(conn); |
d7556e20 WR |
2947 | } |
2948 | ||
51a8efd7 | 2949 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { |
d7556e20 WR |
2950 | if (!ev->status) { |
2951 | struct hci_cp_set_conn_encrypt cp; | |
2952 | cp.handle = ev->handle; | |
2953 | cp.encrypt = 0x01; | |
2954 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2955 | &cp); |
d7556e20 | 2956 | } else { |
51a8efd7 | 2957 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
3ca44c16 | 2958 | hci_encrypt_cfm(conn, ev->status); |
1da177e4 LT |
2959 | } |
2960 | } | |
2961 | ||
d7556e20 | 2962 | unlock: |
1da177e4 LT |
2963 | hci_dev_unlock(hdev); |
2964 | } | |
2965 | ||
6039aa73 | 2966 | static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2967 | { |
127178d2 JH |
2968 | struct hci_ev_remote_name *ev = (void *) skb->data; |
2969 | struct hci_conn *conn; | |
2970 | ||
a9de9248 | 2971 | BT_DBG("%s", hdev->name); |
1da177e4 | 2972 | |
a9de9248 | 2973 | hci_conn_check_pending(hdev); |
127178d2 JH |
2974 | |
2975 | hci_dev_lock(hdev); | |
2976 | ||
b644ba33 | 2977 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
30dc78e1 | 2978 | |
d7a5a11d | 2979 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 2980 | goto check_auth; |
a88a9652 | 2981 | |
b644ba33 JH |
2982 | if (ev->status == 0) |
2983 | hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, | |
04124681 | 2984 | strnlen(ev->name, HCI_MAX_NAME_LENGTH)); |
b644ba33 JH |
2985 | else |
2986 | hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); | |
2987 | ||
2988 | check_auth: | |
79c6c70c JH |
2989 | if (!conn) |
2990 | goto unlock; | |
2991 | ||
2992 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2993 | goto unlock; | |
2994 | ||
51a8efd7 | 2995 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
127178d2 | 2996 | struct hci_cp_auth_requested cp; |
977f8fce JH |
2997 | |
2998 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); | |
2999 | ||
127178d2 JH |
3000 | cp.handle = __cpu_to_le16(conn->handle); |
3001 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); | |
3002 | } | |
3003 | ||
79c6c70c | 3004 | unlock: |
127178d2 | 3005 | hci_dev_unlock(hdev); |
a9de9248 MH |
3006 | } |
3007 | ||
821f3766 JH |
3008 | static void read_enc_key_size_complete(struct hci_dev *hdev, u8 status, |
3009 | u16 opcode, struct sk_buff *skb) | |
3010 | { | |
3011 | const struct hci_rp_read_enc_key_size *rp; | |
3012 | struct hci_conn *conn; | |
3013 | u16 handle; | |
3014 | ||
3015 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
3016 | ||
3017 | if (!skb || skb->len < sizeof(*rp)) { | |
2064ee33 | 3018 | bt_dev_err(hdev, "invalid read key size response"); |
821f3766 JH |
3019 | return; |
3020 | } | |
3021 | ||
3022 | rp = (void *)skb->data; | |
3023 | handle = le16_to_cpu(rp->handle); | |
3024 | ||
3025 | hci_dev_lock(hdev); | |
3026 | ||
3027 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
3028 | if (!conn) | |
3029 | goto unlock; | |
3030 | ||
32b50729 AM |
3031 | /* While unexpected, the read_enc_key_size command may fail. The most |
3032 | * secure approach is to then assume the key size is 0 to force a | |
3033 | * disconnection. | |
821f3766 JH |
3034 | */ |
3035 | if (rp->status) { | |
2064ee33 MH |
3036 | bt_dev_err(hdev, "failed to read key size for handle %u", |
3037 | handle); | |
32b50729 | 3038 | conn->enc_key_size = 0; |
821f3766 JH |
3039 | } else { |
3040 | conn->enc_key_size = rp->key_size; | |
3041 | } | |
3042 | ||
3ca44c16 | 3043 | hci_encrypt_cfm(conn, 0); |
821f3766 JH |
3044 | |
3045 | unlock: | |
3046 | hci_dev_unlock(hdev); | |
3047 | } | |
3048 | ||
6039aa73 | 3049 | static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3050 | { |
3051 | struct hci_ev_encrypt_change *ev = (void *) skb->data; | |
3052 | struct hci_conn *conn; | |
3053 | ||
9f1db00c | 3054 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3055 | |
3056 | hci_dev_lock(hdev); | |
3057 | ||
04837f64 | 3058 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
dc8357cc MH |
3059 | if (!conn) |
3060 | goto unlock; | |
1da177e4 | 3061 | |
dc8357cc MH |
3062 | if (!ev->status) { |
3063 | if (ev->encrypt) { | |
3064 | /* Encryption implies authentication */ | |
4dae2798 JH |
3065 | set_bit(HCI_CONN_AUTH, &conn->flags); |
3066 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); | |
dc8357cc | 3067 | conn->sec_level = conn->pending_sec_level; |
abf76bad | 3068 | |
914a6ffe MH |
3069 | /* P-256 authentication key implies FIPS */ |
3070 | if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) | |
4dae2798 | 3071 | set_bit(HCI_CONN_FIPS, &conn->flags); |
914a6ffe | 3072 | |
abf76bad MH |
3073 | if ((conn->type == ACL_LINK && ev->encrypt == 0x02) || |
3074 | conn->type == LE_LINK) | |
3075 | set_bit(HCI_CONN_AES_CCM, &conn->flags); | |
3076 | } else { | |
4dae2798 | 3077 | clear_bit(HCI_CONN_ENCRYPT, &conn->flags); |
abf76bad MH |
3078 | clear_bit(HCI_CONN_AES_CCM, &conn->flags); |
3079 | } | |
dc8357cc | 3080 | } |
a7d7723a | 3081 | |
7ed3fa20 JH |
3082 | /* We should disregard the current RPA and generate a new one |
3083 | * whenever the encryption procedure fails. | |
3084 | */ | |
a73c046a | 3085 | if (ev->status && conn->type == LE_LINK) { |
a1536da2 | 3086 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
a73c046a JK |
3087 | hci_adv_instances_set_rpa_expired(hdev, true); |
3088 | } | |
7ed3fa20 | 3089 | |
dc8357cc | 3090 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
f8558555 | 3091 | |
8746f135 LAD |
3092 | /* Check link security requirements are met */ |
3093 | if (!hci_conn_check_link_mode(conn)) | |
3094 | ev->status = HCI_ERROR_AUTH_FAILURE; | |
3095 | ||
dc8357cc | 3096 | if (ev->status && conn->state == BT_CONNECTED) { |
160b9251 SJ |
3097 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
3098 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); | |
3099 | ||
8746f135 LAD |
3100 | /* Notify upper layers so they can cleanup before |
3101 | * disconnecting. | |
3102 | */ | |
3103 | hci_encrypt_cfm(conn, ev->status); | |
dc8357cc MH |
3104 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
3105 | hci_conn_drop(conn); | |
3106 | goto unlock; | |
1da177e4 LT |
3107 | } |
3108 | ||
821f3766 JH |
3109 | /* Try reading the encryption key size for encrypted ACL links */ |
3110 | if (!ev->status && ev->encrypt && conn->type == ACL_LINK) { | |
3111 | struct hci_cp_read_enc_key_size cp; | |
3112 | struct hci_request req; | |
3113 | ||
3114 | /* Only send HCI_Read_Encryption_Key_Size if the | |
3115 | * controller really supports it. If it doesn't, assume | |
3116 | * the default size (16). | |
3117 | */ | |
3118 | if (!(hdev->commands[20] & 0x10)) { | |
3119 | conn->enc_key_size = HCI_LINK_KEY_SIZE; | |
3120 | goto notify; | |
3121 | } | |
3122 | ||
3123 | hci_req_init(&req, hdev); | |
3124 | ||
3125 | cp.handle = cpu_to_le16(conn->handle); | |
3126 | hci_req_add(&req, HCI_OP_READ_ENC_KEY_SIZE, sizeof(cp), &cp); | |
3127 | ||
3128 | if (hci_req_run_skb(&req, read_enc_key_size_complete)) { | |
2064ee33 | 3129 | bt_dev_err(hdev, "sending read key size failed"); |
821f3766 JH |
3130 | conn->enc_key_size = HCI_LINK_KEY_SIZE; |
3131 | goto notify; | |
3132 | } | |
3133 | ||
3134 | goto unlock; | |
3135 | } | |
3136 | ||
302975cb SRK |
3137 | /* Set the default Authenticated Payload Timeout after |
3138 | * an LE Link is established. As per Core Spec v5.0, Vol 2, Part B | |
3139 | * Section 3.3, the HCI command WRITE_AUTH_PAYLOAD_TIMEOUT should be | |
3140 | * sent when the link is active and Encryption is enabled, the conn | |
3141 | * type can be either LE or ACL and controller must support LMP Ping. | |
3142 | * Ensure for AES-CCM encryption as well. | |
3143 | */ | |
3144 | if (test_bit(HCI_CONN_ENCRYPT, &conn->flags) && | |
3145 | test_bit(HCI_CONN_AES_CCM, &conn->flags) && | |
3146 | ((conn->type == ACL_LINK && lmp_ping_capable(hdev)) || | |
3147 | (conn->type == LE_LINK && (hdev->le_features[0] & HCI_LE_PING)))) { | |
3148 | struct hci_cp_write_auth_payload_to cp; | |
3149 | ||
3150 | cp.handle = cpu_to_le16(conn->handle); | |
3151 | cp.timeout = cpu_to_le16(hdev->auth_payload_timeout); | |
3152 | hci_send_cmd(conn->hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO, | |
3153 | sizeof(cp), &cp); | |
3154 | } | |
3155 | ||
821f3766 | 3156 | notify: |
3ca44c16 | 3157 | hci_encrypt_cfm(conn, ev->status); |
dc8357cc | 3158 | |
a7d7723a | 3159 | unlock: |
1da177e4 LT |
3160 | hci_dev_unlock(hdev); |
3161 | } | |
3162 | ||
6039aa73 GP |
3163 | static void hci_change_link_key_complete_evt(struct hci_dev *hdev, |
3164 | struct sk_buff *skb) | |
1da177e4 | 3165 | { |
a9de9248 | 3166 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
04837f64 | 3167 | struct hci_conn *conn; |
1da177e4 | 3168 | |
9f1db00c | 3169 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3170 | |
3171 | hci_dev_lock(hdev); | |
3172 | ||
04837f64 | 3173 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
3174 | if (conn) { |
3175 | if (!ev->status) | |
4dae2798 | 3176 | set_bit(HCI_CONN_SECURE, &conn->flags); |
1da177e4 | 3177 | |
51a8efd7 | 3178 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
1da177e4 LT |
3179 | |
3180 | hci_key_change_cfm(conn, ev->status); | |
3181 | } | |
3182 | ||
3183 | hci_dev_unlock(hdev); | |
3184 | } | |
3185 | ||
6039aa73 GP |
3186 | static void hci_remote_features_evt(struct hci_dev *hdev, |
3187 | struct sk_buff *skb) | |
1da177e4 | 3188 | { |
a9de9248 MH |
3189 | struct hci_ev_remote_features *ev = (void *) skb->data; |
3190 | struct hci_conn *conn; | |
3191 | ||
9f1db00c | 3192 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 | 3193 | |
a9de9248 MH |
3194 | hci_dev_lock(hdev); |
3195 | ||
3196 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
3197 | if (!conn) |
3198 | goto unlock; | |
769be974 | 3199 | |
ccd556fe | 3200 | if (!ev->status) |
cad718ed | 3201 | memcpy(conn->features[0], ev->features, 8); |
ccd556fe JH |
3202 | |
3203 | if (conn->state != BT_CONFIG) | |
3204 | goto unlock; | |
3205 | ||
ac363cf9 SJ |
3206 | if (!ev->status && lmp_ext_feat_capable(hdev) && |
3207 | lmp_ext_feat_capable(conn)) { | |
ccd556fe JH |
3208 | struct hci_cp_read_remote_ext_features cp; |
3209 | cp.handle = ev->handle; | |
3210 | cp.page = 0x01; | |
3211 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, | |
807deac2 | 3212 | sizeof(cp), &cp); |
392599b9 JH |
3213 | goto unlock; |
3214 | } | |
3215 | ||
671267bf | 3216 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
3217 | struct hci_cp_remote_name_req cp; |
3218 | memset(&cp, 0, sizeof(cp)); | |
3219 | bacpy(&cp.bdaddr, &conn->dst); | |
3220 | cp.pscan_rep_mode = 0x02; | |
3221 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 3222 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 3223 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 3224 | |
127178d2 | 3225 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 3226 | conn->state = BT_CONNECTED; |
539c496d | 3227 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3228 | hci_conn_drop(conn); |
769be974 | 3229 | } |
a9de9248 | 3230 | |
ccd556fe | 3231 | unlock: |
a9de9248 | 3232 | hci_dev_unlock(hdev); |
1da177e4 LT |
3233 | } |
3234 | ||
e6214487 JH |
3235 | static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3236 | u16 *opcode, u8 *status, | |
3237 | hci_req_complete_t *req_complete, | |
3238 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3239 | { |
3240 | struct hci_ev_cmd_complete *ev = (void *) skb->data; | |
a9de9248 | 3241 | |
e6214487 JH |
3242 | *opcode = __le16_to_cpu(ev->opcode); |
3243 | *status = skb->data[sizeof(*ev)]; | |
a9de9248 | 3244 | |
e6214487 | 3245 | skb_pull(skb, sizeof(*ev)); |
a9de9248 | 3246 | |
e6214487 | 3247 | switch (*opcode) { |
a9de9248 | 3248 | case HCI_OP_INQUIRY_CANCEL: |
adf1d692 | 3249 | hci_cc_inquiry_cancel(hdev, skb, status); |
a9de9248 MH |
3250 | break; |
3251 | ||
4d93483b AG |
3252 | case HCI_OP_PERIODIC_INQ: |
3253 | hci_cc_periodic_inq(hdev, skb); | |
3254 | break; | |
3255 | ||
a9de9248 MH |
3256 | case HCI_OP_EXIT_PERIODIC_INQ: |
3257 | hci_cc_exit_periodic_inq(hdev, skb); | |
3258 | break; | |
3259 | ||
3260 | case HCI_OP_REMOTE_NAME_REQ_CANCEL: | |
3261 | hci_cc_remote_name_req_cancel(hdev, skb); | |
3262 | break; | |
3263 | ||
3264 | case HCI_OP_ROLE_DISCOVERY: | |
3265 | hci_cc_role_discovery(hdev, skb); | |
3266 | break; | |
3267 | ||
e4e8e37c MH |
3268 | case HCI_OP_READ_LINK_POLICY: |
3269 | hci_cc_read_link_policy(hdev, skb); | |
3270 | break; | |
3271 | ||
a9de9248 MH |
3272 | case HCI_OP_WRITE_LINK_POLICY: |
3273 | hci_cc_write_link_policy(hdev, skb); | |
3274 | break; | |
3275 | ||
e4e8e37c MH |
3276 | case HCI_OP_READ_DEF_LINK_POLICY: |
3277 | hci_cc_read_def_link_policy(hdev, skb); | |
3278 | break; | |
3279 | ||
3280 | case HCI_OP_WRITE_DEF_LINK_POLICY: | |
3281 | hci_cc_write_def_link_policy(hdev, skb); | |
3282 | break; | |
3283 | ||
a9de9248 MH |
3284 | case HCI_OP_RESET: |
3285 | hci_cc_reset(hdev, skb); | |
3286 | break; | |
3287 | ||
c2f0f979 MH |
3288 | case HCI_OP_READ_STORED_LINK_KEY: |
3289 | hci_cc_read_stored_link_key(hdev, skb); | |
3290 | break; | |
3291 | ||
a9366120 MH |
3292 | case HCI_OP_DELETE_STORED_LINK_KEY: |
3293 | hci_cc_delete_stored_link_key(hdev, skb); | |
3294 | break; | |
3295 | ||
a9de9248 MH |
3296 | case HCI_OP_WRITE_LOCAL_NAME: |
3297 | hci_cc_write_local_name(hdev, skb); | |
3298 | break; | |
3299 | ||
3300 | case HCI_OP_READ_LOCAL_NAME: | |
3301 | hci_cc_read_local_name(hdev, skb); | |
3302 | break; | |
3303 | ||
3304 | case HCI_OP_WRITE_AUTH_ENABLE: | |
3305 | hci_cc_write_auth_enable(hdev, skb); | |
3306 | break; | |
3307 | ||
3308 | case HCI_OP_WRITE_ENCRYPT_MODE: | |
3309 | hci_cc_write_encrypt_mode(hdev, skb); | |
3310 | break; | |
3311 | ||
3312 | case HCI_OP_WRITE_SCAN_ENABLE: | |
3313 | hci_cc_write_scan_enable(hdev, skb); | |
3314 | break; | |
3315 | ||
3316 | case HCI_OP_READ_CLASS_OF_DEV: | |
3317 | hci_cc_read_class_of_dev(hdev, skb); | |
3318 | break; | |
3319 | ||
3320 | case HCI_OP_WRITE_CLASS_OF_DEV: | |
3321 | hci_cc_write_class_of_dev(hdev, skb); | |
3322 | break; | |
3323 | ||
3324 | case HCI_OP_READ_VOICE_SETTING: | |
3325 | hci_cc_read_voice_setting(hdev, skb); | |
3326 | break; | |
3327 | ||
3328 | case HCI_OP_WRITE_VOICE_SETTING: | |
3329 | hci_cc_write_voice_setting(hdev, skb); | |
3330 | break; | |
3331 | ||
b4cb9fb2 MH |
3332 | case HCI_OP_READ_NUM_SUPPORTED_IAC: |
3333 | hci_cc_read_num_supported_iac(hdev, skb); | |
3334 | break; | |
3335 | ||
333140b5 MH |
3336 | case HCI_OP_WRITE_SSP_MODE: |
3337 | hci_cc_write_ssp_mode(hdev, skb); | |
3338 | break; | |
3339 | ||
eac83dc6 MH |
3340 | case HCI_OP_WRITE_SC_SUPPORT: |
3341 | hci_cc_write_sc_support(hdev, skb); | |
3342 | break; | |
3343 | ||
302975cb SRK |
3344 | case HCI_OP_READ_AUTH_PAYLOAD_TO: |
3345 | hci_cc_read_auth_payload_timeout(hdev, skb); | |
3346 | break; | |
3347 | ||
3348 | case HCI_OP_WRITE_AUTH_PAYLOAD_TO: | |
3349 | hci_cc_write_auth_payload_timeout(hdev, skb); | |
3350 | break; | |
3351 | ||
a9de9248 MH |
3352 | case HCI_OP_READ_LOCAL_VERSION: |
3353 | hci_cc_read_local_version(hdev, skb); | |
3354 | break; | |
3355 | ||
3356 | case HCI_OP_READ_LOCAL_COMMANDS: | |
3357 | hci_cc_read_local_commands(hdev, skb); | |
3358 | break; | |
3359 | ||
3360 | case HCI_OP_READ_LOCAL_FEATURES: | |
3361 | hci_cc_read_local_features(hdev, skb); | |
3362 | break; | |
3363 | ||
971e3a4b AG |
3364 | case HCI_OP_READ_LOCAL_EXT_FEATURES: |
3365 | hci_cc_read_local_ext_features(hdev, skb); | |
3366 | break; | |
3367 | ||
a9de9248 MH |
3368 | case HCI_OP_READ_BUFFER_SIZE: |
3369 | hci_cc_read_buffer_size(hdev, skb); | |
3370 | break; | |
3371 | ||
3372 | case HCI_OP_READ_BD_ADDR: | |
3373 | hci_cc_read_bd_addr(hdev, skb); | |
3374 | break; | |
3375 | ||
a4790360 MH |
3376 | case HCI_OP_READ_LOCAL_PAIRING_OPTS: |
3377 | hci_cc_read_local_pairing_opts(hdev, skb); | |
3378 | break; | |
3379 | ||
f332ec66 JH |
3380 | case HCI_OP_READ_PAGE_SCAN_ACTIVITY: |
3381 | hci_cc_read_page_scan_activity(hdev, skb); | |
3382 | break; | |
3383 | ||
4a3ee763 JH |
3384 | case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: |
3385 | hci_cc_write_page_scan_activity(hdev, skb); | |
3386 | break; | |
3387 | ||
f332ec66 JH |
3388 | case HCI_OP_READ_PAGE_SCAN_TYPE: |
3389 | hci_cc_read_page_scan_type(hdev, skb); | |
3390 | break; | |
3391 | ||
4a3ee763 JH |
3392 | case HCI_OP_WRITE_PAGE_SCAN_TYPE: |
3393 | hci_cc_write_page_scan_type(hdev, skb); | |
3394 | break; | |
3395 | ||
350ee4cf AE |
3396 | case HCI_OP_READ_DATA_BLOCK_SIZE: |
3397 | hci_cc_read_data_block_size(hdev, skb); | |
3398 | break; | |
3399 | ||
1e89cffb AE |
3400 | case HCI_OP_READ_FLOW_CONTROL_MODE: |
3401 | hci_cc_read_flow_control_mode(hdev, skb); | |
3402 | break; | |
3403 | ||
928abaa7 AE |
3404 | case HCI_OP_READ_LOCAL_AMP_INFO: |
3405 | hci_cc_read_local_amp_info(hdev, skb); | |
3406 | break; | |
3407 | ||
33f35721 JH |
3408 | case HCI_OP_READ_CLOCK: |
3409 | hci_cc_read_clock(hdev, skb); | |
3410 | break; | |
3411 | ||
d5859e22 JH |
3412 | case HCI_OP_READ_INQ_RSP_TX_POWER: |
3413 | hci_cc_read_inq_rsp_tx_power(hdev, skb); | |
3414 | break; | |
3415 | ||
00bce3fb AM |
3416 | case HCI_OP_READ_DEF_ERR_DATA_REPORTING: |
3417 | hci_cc_read_def_err_data_reporting(hdev, skb); | |
3418 | break; | |
3419 | ||
3420 | case HCI_OP_WRITE_DEF_ERR_DATA_REPORTING: | |
3421 | hci_cc_write_def_err_data_reporting(hdev, skb); | |
3422 | break; | |
3423 | ||
980e1a53 JH |
3424 | case HCI_OP_PIN_CODE_REPLY: |
3425 | hci_cc_pin_code_reply(hdev, skb); | |
3426 | break; | |
3427 | ||
3428 | case HCI_OP_PIN_CODE_NEG_REPLY: | |
3429 | hci_cc_pin_code_neg_reply(hdev, skb); | |
3430 | break; | |
3431 | ||
c35938b2 | 3432 | case HCI_OP_READ_LOCAL_OOB_DATA: |
4d2d2796 MH |
3433 | hci_cc_read_local_oob_data(hdev, skb); |
3434 | break; | |
3435 | ||
3436 | case HCI_OP_READ_LOCAL_OOB_EXT_DATA: | |
3437 | hci_cc_read_local_oob_ext_data(hdev, skb); | |
c35938b2 SJ |
3438 | break; |
3439 | ||
6ed58ec5 VT |
3440 | case HCI_OP_LE_READ_BUFFER_SIZE: |
3441 | hci_cc_le_read_buffer_size(hdev, skb); | |
3442 | break; | |
3443 | ||
60e77321 JH |
3444 | case HCI_OP_LE_READ_LOCAL_FEATURES: |
3445 | hci_cc_le_read_local_features(hdev, skb); | |
3446 | break; | |
3447 | ||
8fa19098 JH |
3448 | case HCI_OP_LE_READ_ADV_TX_POWER: |
3449 | hci_cc_le_read_adv_tx_power(hdev, skb); | |
3450 | break; | |
3451 | ||
a5c29683 JH |
3452 | case HCI_OP_USER_CONFIRM_REPLY: |
3453 | hci_cc_user_confirm_reply(hdev, skb); | |
3454 | break; | |
3455 | ||
3456 | case HCI_OP_USER_CONFIRM_NEG_REPLY: | |
3457 | hci_cc_user_confirm_neg_reply(hdev, skb); | |
3458 | break; | |
3459 | ||
1143d458 BG |
3460 | case HCI_OP_USER_PASSKEY_REPLY: |
3461 | hci_cc_user_passkey_reply(hdev, skb); | |
3462 | break; | |
3463 | ||
3464 | case HCI_OP_USER_PASSKEY_NEG_REPLY: | |
3465 | hci_cc_user_passkey_neg_reply(hdev, skb); | |
16cde993 | 3466 | break; |
07f7fa5d | 3467 | |
7a4cd51d MH |
3468 | case HCI_OP_LE_SET_RANDOM_ADDR: |
3469 | hci_cc_le_set_random_addr(hdev, skb); | |
3470 | break; | |
3471 | ||
c1d5dc4a JH |
3472 | case HCI_OP_LE_SET_ADV_ENABLE: |
3473 | hci_cc_le_set_adv_enable(hdev, skb); | |
3474 | break; | |
3475 | ||
533553f8 MH |
3476 | case HCI_OP_LE_SET_SCAN_PARAM: |
3477 | hci_cc_le_set_scan_param(hdev, skb); | |
3478 | break; | |
3479 | ||
eb9d91f5 AG |
3480 | case HCI_OP_LE_SET_SCAN_ENABLE: |
3481 | hci_cc_le_set_scan_enable(hdev, skb); | |
3482 | break; | |
3483 | ||
cf1d081f JH |
3484 | case HCI_OP_LE_READ_WHITE_LIST_SIZE: |
3485 | hci_cc_le_read_white_list_size(hdev, skb); | |
3486 | break; | |
3487 | ||
0f36b589 MH |
3488 | case HCI_OP_LE_CLEAR_WHITE_LIST: |
3489 | hci_cc_le_clear_white_list(hdev, skb); | |
3490 | break; | |
3491 | ||
3492 | case HCI_OP_LE_ADD_TO_WHITE_LIST: | |
3493 | hci_cc_le_add_to_white_list(hdev, skb); | |
3494 | break; | |
3495 | ||
3496 | case HCI_OP_LE_DEL_FROM_WHITE_LIST: | |
3497 | hci_cc_le_del_from_white_list(hdev, skb); | |
3498 | break; | |
3499 | ||
9b008c04 JH |
3500 | case HCI_OP_LE_READ_SUPPORTED_STATES: |
3501 | hci_cc_le_read_supported_states(hdev, skb); | |
3502 | break; | |
3503 | ||
a8e1bfaa MH |
3504 | case HCI_OP_LE_READ_DEF_DATA_LEN: |
3505 | hci_cc_le_read_def_data_len(hdev, skb); | |
3506 | break; | |
3507 | ||
3508 | case HCI_OP_LE_WRITE_DEF_DATA_LEN: | |
3509 | hci_cc_le_write_def_data_len(hdev, skb); | |
3510 | break; | |
3511 | ||
b950aa88 AN |
3512 | case HCI_OP_LE_ADD_TO_RESOLV_LIST: |
3513 | hci_cc_le_add_to_resolv_list(hdev, skb); | |
3514 | break; | |
3515 | ||
3516 | case HCI_OP_LE_DEL_FROM_RESOLV_LIST: | |
3517 | hci_cc_le_del_from_resolv_list(hdev, skb); | |
3518 | break; | |
3519 | ||
545f2596 AN |
3520 | case HCI_OP_LE_CLEAR_RESOLV_LIST: |
3521 | hci_cc_le_clear_resolv_list(hdev, skb); | |
3522 | break; | |
3523 | ||
cfdb0c2d AN |
3524 | case HCI_OP_LE_READ_RESOLV_LIST_SIZE: |
3525 | hci_cc_le_read_resolv_list_size(hdev, skb); | |
3526 | break; | |
3527 | ||
aa12af77 AN |
3528 | case HCI_OP_LE_SET_ADDR_RESOLV_ENABLE: |
3529 | hci_cc_le_set_addr_resolution_enable(hdev, skb); | |
3530 | break; | |
3531 | ||
a8e1bfaa MH |
3532 | case HCI_OP_LE_READ_MAX_DATA_LEN: |
3533 | hci_cc_le_read_max_data_len(hdev, skb); | |
3534 | break; | |
3535 | ||
f9b49306 AG |
3536 | case HCI_OP_WRITE_LE_HOST_SUPPORTED: |
3537 | hci_cc_write_le_host_supported(hdev, skb); | |
3538 | break; | |
3539 | ||
56ed2cb8 JH |
3540 | case HCI_OP_LE_SET_ADV_PARAM: |
3541 | hci_cc_set_adv_param(hdev, skb); | |
3542 | break; | |
3543 | ||
5ae76a94 AK |
3544 | case HCI_OP_READ_RSSI: |
3545 | hci_cc_read_rssi(hdev, skb); | |
3546 | break; | |
3547 | ||
5a134fae AK |
3548 | case HCI_OP_READ_TX_POWER: |
3549 | hci_cc_read_tx_power(hdev, skb); | |
3550 | break; | |
3551 | ||
c50b33c8 MH |
3552 | case HCI_OP_WRITE_SSP_DEBUG_MODE: |
3553 | hci_cc_write_ssp_debug_mode(hdev, skb); | |
3554 | break; | |
3555 | ||
a2344b9e JK |
3556 | case HCI_OP_LE_SET_EXT_SCAN_PARAMS: |
3557 | hci_cc_le_set_ext_scan_param(hdev, skb); | |
3558 | break; | |
3559 | ||
3560 | case HCI_OP_LE_SET_EXT_SCAN_ENABLE: | |
3561 | hci_cc_le_set_ext_scan_enable(hdev, skb); | |
3562 | break; | |
3563 | ||
0314f286 JK |
3564 | case HCI_OP_LE_SET_DEFAULT_PHY: |
3565 | hci_cc_le_set_default_phy(hdev, skb); | |
3566 | break; | |
3567 | ||
6b49bcb4 JK |
3568 | case HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS: |
3569 | hci_cc_le_read_num_adv_sets(hdev, skb); | |
3570 | break; | |
3571 | ||
de181e88 JK |
3572 | case HCI_OP_LE_SET_EXT_ADV_PARAMS: |
3573 | hci_cc_set_ext_adv_param(hdev, skb); | |
3574 | break; | |
3575 | ||
3576 | case HCI_OP_LE_SET_EXT_ADV_ENABLE: | |
3577 | hci_cc_le_set_ext_adv_enable(hdev, skb); | |
3578 | break; | |
3579 | ||
a73c046a JK |
3580 | case HCI_OP_LE_SET_ADV_SET_RAND_ADDR: |
3581 | hci_cc_le_set_adv_set_random_addr(hdev, skb); | |
3582 | break; | |
3583 | ||
a9de9248 | 3584 | default: |
e6214487 | 3585 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3586 | break; |
3587 | } | |
3588 | ||
e6214487 | 3589 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3590 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3591 | |
600b2150 JH |
3592 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3593 | atomic_set(&hdev->cmd_cnt, 1); | |
3594 | ||
e6214487 JH |
3595 | hci_req_cmd_complete(hdev, *opcode, *status, req_complete, |
3596 | req_complete_skb); | |
9238f36a | 3597 | |
f80c5dad JPRV |
3598 | if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) { |
3599 | bt_dev_err(hdev, | |
3600 | "unexpected event for opcode 0x%4.4x", *opcode); | |
3601 | return; | |
3602 | } | |
3603 | ||
600b2150 JH |
3604 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3605 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3606 | } |
3607 | ||
e6214487 JH |
3608 | static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3609 | u16 *opcode, u8 *status, | |
3610 | hci_req_complete_t *req_complete, | |
3611 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3612 | { |
3613 | struct hci_ev_cmd_status *ev = (void *) skb->data; | |
a9de9248 MH |
3614 | |
3615 | skb_pull(skb, sizeof(*ev)); | |
3616 | ||
e6214487 JH |
3617 | *opcode = __le16_to_cpu(ev->opcode); |
3618 | *status = ev->status; | |
a9de9248 | 3619 | |
e6214487 | 3620 | switch (*opcode) { |
a9de9248 MH |
3621 | case HCI_OP_INQUIRY: |
3622 | hci_cs_inquiry(hdev, ev->status); | |
3623 | break; | |
3624 | ||
3625 | case HCI_OP_CREATE_CONN: | |
3626 | hci_cs_create_conn(hdev, ev->status); | |
3627 | break; | |
3628 | ||
9645c76c KP |
3629 | case HCI_OP_DISCONNECT: |
3630 | hci_cs_disconnect(hdev, ev->status); | |
3631 | break; | |
3632 | ||
a9de9248 MH |
3633 | case HCI_OP_ADD_SCO: |
3634 | hci_cs_add_sco(hdev, ev->status); | |
3635 | break; | |
3636 | ||
f8558555 MH |
3637 | case HCI_OP_AUTH_REQUESTED: |
3638 | hci_cs_auth_requested(hdev, ev->status); | |
3639 | break; | |
3640 | ||
3641 | case HCI_OP_SET_CONN_ENCRYPT: | |
3642 | hci_cs_set_conn_encrypt(hdev, ev->status); | |
3643 | break; | |
3644 | ||
a9de9248 MH |
3645 | case HCI_OP_REMOTE_NAME_REQ: |
3646 | hci_cs_remote_name_req(hdev, ev->status); | |
3647 | break; | |
3648 | ||
769be974 MH |
3649 | case HCI_OP_READ_REMOTE_FEATURES: |
3650 | hci_cs_read_remote_features(hdev, ev->status); | |
3651 | break; | |
3652 | ||
3653 | case HCI_OP_READ_REMOTE_EXT_FEATURES: | |
3654 | hci_cs_read_remote_ext_features(hdev, ev->status); | |
3655 | break; | |
3656 | ||
a9de9248 MH |
3657 | case HCI_OP_SETUP_SYNC_CONN: |
3658 | hci_cs_setup_sync_conn(hdev, ev->status); | |
3659 | break; | |
3660 | ||
3661 | case HCI_OP_SNIFF_MODE: | |
3662 | hci_cs_sniff_mode(hdev, ev->status); | |
3663 | break; | |
3664 | ||
3665 | case HCI_OP_EXIT_SNIFF_MODE: | |
3666 | hci_cs_exit_sniff_mode(hdev, ev->status); | |
3667 | break; | |
3668 | ||
50fc85f1 KP |
3669 | case HCI_OP_SWITCH_ROLE: |
3670 | hci_cs_switch_role(hdev, ev->status); | |
3671 | break; | |
3672 | ||
cb1d68f7 JH |
3673 | case HCI_OP_LE_CREATE_CONN: |
3674 | hci_cs_le_create_conn(hdev, ev->status); | |
3675 | break; | |
3676 | ||
0fe29fd1 MH |
3677 | case HCI_OP_LE_READ_REMOTE_FEATURES: |
3678 | hci_cs_le_read_remote_features(hdev, ev->status); | |
3679 | break; | |
3680 | ||
81d0c8ad JH |
3681 | case HCI_OP_LE_START_ENC: |
3682 | hci_cs_le_start_enc(hdev, ev->status); | |
3683 | break; | |
3684 | ||
4d94f95d JK |
3685 | case HCI_OP_LE_EXT_CREATE_CONN: |
3686 | hci_cs_le_ext_create_conn(hdev, ev->status); | |
3687 | break; | |
3688 | ||
a9de9248 | 3689 | default: |
e6214487 | 3690 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3691 | break; |
3692 | } | |
3693 | ||
e6214487 | 3694 | if (*opcode != HCI_OP_NOP) |
65cc2b49 | 3695 | cancel_delayed_work(&hdev->cmd_timer); |
6bd32326 | 3696 | |
600b2150 JH |
3697 | if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) |
3698 | atomic_set(&hdev->cmd_cnt, 1); | |
3699 | ||
444c6dd5 JH |
3700 | /* Indicate request completion if the command failed. Also, if |
3701 | * we're not waiting for a special event and we get a success | |
3702 | * command status we should try to flag the request as completed | |
3703 | * (since for this kind of commands there will not be a command | |
3704 | * complete event). | |
3705 | */ | |
02350a72 | 3706 | if (ev->status || |
242c0ebd | 3707 | (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->hci.req_event)) |
e6214487 JH |
3708 | hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete, |
3709 | req_complete_skb); | |
9238f36a | 3710 | |
f80c5dad JPRV |
3711 | if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) { |
3712 | bt_dev_err(hdev, | |
3713 | "unexpected event for opcode 0x%4.4x", *opcode); | |
3714 | return; | |
3715 | } | |
3716 | ||
600b2150 JH |
3717 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3718 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3719 | } |
3720 | ||
24dfa343 MH |
3721 | static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb) |
3722 | { | |
3723 | struct hci_ev_hardware_error *ev = (void *) skb->data; | |
3724 | ||
c7741d16 MH |
3725 | hdev->hw_error_code = ev->code; |
3726 | ||
3727 | queue_work(hdev->req_workqueue, &hdev->error_reset); | |
24dfa343 MH |
3728 | } |
3729 | ||
6039aa73 | 3730 | static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3731 | { |
3732 | struct hci_ev_role_change *ev = (void *) skb->data; | |
3733 | struct hci_conn *conn; | |
3734 | ||
9f1db00c | 3735 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 MH |
3736 | |
3737 | hci_dev_lock(hdev); | |
3738 | ||
3739 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3740 | if (conn) { | |
40bef302 JH |
3741 | if (!ev->status) |
3742 | conn->role = ev->role; | |
a9de9248 | 3743 | |
51a8efd7 | 3744 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); |
a9de9248 MH |
3745 | |
3746 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
3747 | } | |
3748 | ||
3749 | hci_dev_unlock(hdev); | |
3750 | } | |
3751 | ||
6039aa73 | 3752 | static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3753 | { |
3754 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; | |
a9de9248 MH |
3755 | int i; |
3756 | ||
32ac5b9b | 3757 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { |
2064ee33 | 3758 | bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); |
32ac5b9b AE |
3759 | return; |
3760 | } | |
3761 | ||
16e18342 GS |
3762 | if (skb->len < sizeof(*ev) || |
3763 | skb->len < struct_size(ev, handles, ev->num_hndl)) { | |
a9de9248 MH |
3764 | BT_DBG("%s bad parameters", hdev->name); |
3765 | return; | |
3766 | } | |
3767 | ||
c5993de8 AE |
3768 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); |
3769 | ||
613a1c0c AE |
3770 | for (i = 0; i < ev->num_hndl; i++) { |
3771 | struct hci_comp_pkts_info *info = &ev->handles[i]; | |
a9de9248 MH |
3772 | struct hci_conn *conn; |
3773 | __u16 handle, count; | |
3774 | ||
613a1c0c AE |
3775 | handle = __le16_to_cpu(info->handle); |
3776 | count = __le16_to_cpu(info->count); | |
a9de9248 MH |
3777 | |
3778 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
f4280918 AE |
3779 | if (!conn) |
3780 | continue; | |
3781 | ||
3782 | conn->sent -= count; | |
3783 | ||
3784 | switch (conn->type) { | |
3785 | case ACL_LINK: | |
3786 | hdev->acl_cnt += count; | |
3787 | if (hdev->acl_cnt > hdev->acl_pkts) | |
3788 | hdev->acl_cnt = hdev->acl_pkts; | |
3789 | break; | |
3790 | ||
3791 | case LE_LINK: | |
3792 | if (hdev->le_pkts) { | |
3793 | hdev->le_cnt += count; | |
3794 | if (hdev->le_cnt > hdev->le_pkts) | |
3795 | hdev->le_cnt = hdev->le_pkts; | |
3796 | } else { | |
70f23020 AE |
3797 | hdev->acl_cnt += count; |
3798 | if (hdev->acl_cnt > hdev->acl_pkts) | |
a9de9248 | 3799 | hdev->acl_cnt = hdev->acl_pkts; |
a9de9248 | 3800 | } |
f4280918 AE |
3801 | break; |
3802 | ||
3803 | case SCO_LINK: | |
3804 | hdev->sco_cnt += count; | |
3805 | if (hdev->sco_cnt > hdev->sco_pkts) | |
3806 | hdev->sco_cnt = hdev->sco_pkts; | |
3807 | break; | |
3808 | ||
3809 | default: | |
2064ee33 MH |
3810 | bt_dev_err(hdev, "unknown type %d conn %p", |
3811 | conn->type, conn); | |
f4280918 | 3812 | break; |
a9de9248 MH |
3813 | } |
3814 | } | |
3815 | ||
3eff45ea | 3816 | queue_work(hdev->workqueue, &hdev->tx_work); |
a9de9248 MH |
3817 | } |
3818 | ||
76ef7cf7 AE |
3819 | static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, |
3820 | __u16 handle) | |
3821 | { | |
3822 | struct hci_chan *chan; | |
3823 | ||
3824 | switch (hdev->dev_type) { | |
ca8bee5d | 3825 | case HCI_PRIMARY: |
76ef7cf7 AE |
3826 | return hci_conn_hash_lookup_handle(hdev, handle); |
3827 | case HCI_AMP: | |
3828 | chan = hci_chan_lookup_handle(hdev, handle); | |
3829 | if (chan) | |
3830 | return chan->conn; | |
3831 | break; | |
3832 | default: | |
2064ee33 | 3833 | bt_dev_err(hdev, "unknown dev_type %d", hdev->dev_type); |
76ef7cf7 AE |
3834 | break; |
3835 | } | |
3836 | ||
3837 | return NULL; | |
3838 | } | |
3839 | ||
6039aa73 | 3840 | static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) |
25e89e99 AE |
3841 | { |
3842 | struct hci_ev_num_comp_blocks *ev = (void *) skb->data; | |
3843 | int i; | |
3844 | ||
3845 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { | |
2064ee33 | 3846 | bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); |
25e89e99 AE |
3847 | return; |
3848 | } | |
3849 | ||
16e18342 GS |
3850 | if (skb->len < sizeof(*ev) || |
3851 | skb->len < struct_size(ev, handles, ev->num_hndl)) { | |
25e89e99 AE |
3852 | BT_DBG("%s bad parameters", hdev->name); |
3853 | return; | |
3854 | } | |
3855 | ||
3856 | BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, | |
807deac2 | 3857 | ev->num_hndl); |
25e89e99 AE |
3858 | |
3859 | for (i = 0; i < ev->num_hndl; i++) { | |
3860 | struct hci_comp_blocks_info *info = &ev->handles[i]; | |
76ef7cf7 | 3861 | struct hci_conn *conn = NULL; |
25e89e99 AE |
3862 | __u16 handle, block_count; |
3863 | ||
3864 | handle = __le16_to_cpu(info->handle); | |
3865 | block_count = __le16_to_cpu(info->blocks); | |
3866 | ||
76ef7cf7 | 3867 | conn = __hci_conn_lookup_handle(hdev, handle); |
25e89e99 AE |
3868 | if (!conn) |
3869 | continue; | |
3870 | ||
3871 | conn->sent -= block_count; | |
3872 | ||
3873 | switch (conn->type) { | |
3874 | case ACL_LINK: | |
bd1eb66b | 3875 | case AMP_LINK: |
25e89e99 AE |
3876 | hdev->block_cnt += block_count; |
3877 | if (hdev->block_cnt > hdev->num_blocks) | |
3878 | hdev->block_cnt = hdev->num_blocks; | |
3879 | break; | |
3880 | ||
3881 | default: | |
2064ee33 MH |
3882 | bt_dev_err(hdev, "unknown type %d conn %p", |
3883 | conn->type, conn); | |
25e89e99 AE |
3884 | break; |
3885 | } | |
3886 | } | |
3887 | ||
3888 | queue_work(hdev->workqueue, &hdev->tx_work); | |
3889 | } | |
3890 | ||
6039aa73 | 3891 | static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 3892 | { |
a9de9248 | 3893 | struct hci_ev_mode_change *ev = (void *) skb->data; |
04837f64 MH |
3894 | struct hci_conn *conn; |
3895 | ||
9f1db00c | 3896 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
3897 | |
3898 | hci_dev_lock(hdev); | |
3899 | ||
3900 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
a9de9248 MH |
3901 | if (conn) { |
3902 | conn->mode = ev->mode; | |
a9de9248 | 3903 | |
8fc9ced3 GP |
3904 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, |
3905 | &conn->flags)) { | |
a9de9248 | 3906 | if (conn->mode == HCI_CM_ACTIVE) |
58a681ef | 3907 | set_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3908 | else |
58a681ef | 3909 | clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3910 | } |
e73439d8 | 3911 | |
51a8efd7 | 3912 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 | 3913 | hci_sco_setup(conn, ev->status); |
04837f64 MH |
3914 | } |
3915 | ||
3916 | hci_dev_unlock(hdev); | |
3917 | } | |
3918 | ||
6039aa73 | 3919 | static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3920 | { |
052b30b0 MH |
3921 | struct hci_ev_pin_code_req *ev = (void *) skb->data; |
3922 | struct hci_conn *conn; | |
3923 | ||
a9de9248 | 3924 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3925 | |
3926 | hci_dev_lock(hdev); | |
3927 | ||
3928 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
b6f98044 WR |
3929 | if (!conn) |
3930 | goto unlock; | |
3931 | ||
3932 | if (conn->state == BT_CONNECTED) { | |
052b30b0 MH |
3933 | hci_conn_hold(conn); |
3934 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
76a68ba0 | 3935 | hci_conn_drop(conn); |
052b30b0 MH |
3936 | } |
3937 | ||
d7a5a11d | 3938 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE) && |
2f407f0a | 3939 | !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) { |
03b555e1 | 3940 | hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
807deac2 | 3941 | sizeof(ev->bdaddr), &ev->bdaddr); |
d7a5a11d | 3942 | } else if (hci_dev_test_flag(hdev, HCI_MGMT)) { |
a770bb5a WR |
3943 | u8 secure; |
3944 | ||
3945 | if (conn->pending_sec_level == BT_SECURITY_HIGH) | |
3946 | secure = 1; | |
3947 | else | |
3948 | secure = 0; | |
3949 | ||
744cf19e | 3950 | mgmt_pin_code_request(hdev, &ev->bdaddr, secure); |
a770bb5a | 3951 | } |
980e1a53 | 3952 | |
b6f98044 | 3953 | unlock: |
052b30b0 | 3954 | hci_dev_unlock(hdev); |
a9de9248 MH |
3955 | } |
3956 | ||
cb6f3f7a JH |
3957 | static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len) |
3958 | { | |
3959 | if (key_type == HCI_LK_CHANGED_COMBINATION) | |
3960 | return; | |
3961 | ||
3962 | conn->pin_length = pin_len; | |
3963 | conn->key_type = key_type; | |
3964 | ||
3965 | switch (key_type) { | |
3966 | case HCI_LK_LOCAL_UNIT: | |
3967 | case HCI_LK_REMOTE_UNIT: | |
3968 | case HCI_LK_DEBUG_COMBINATION: | |
3969 | return; | |
3970 | case HCI_LK_COMBINATION: | |
3971 | if (pin_len == 16) | |
3972 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3973 | else | |
3974 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3975 | break; | |
3976 | case HCI_LK_UNAUTH_COMBINATION_P192: | |
3977 | case HCI_LK_UNAUTH_COMBINATION_P256: | |
3978 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
3979 | break; | |
3980 | case HCI_LK_AUTH_COMBINATION_P192: | |
3981 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
3982 | break; | |
3983 | case HCI_LK_AUTH_COMBINATION_P256: | |
3984 | conn->pending_sec_level = BT_SECURITY_FIPS; | |
3985 | break; | |
3986 | } | |
3987 | } | |
3988 | ||
6039aa73 | 3989 | static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3990 | { |
55ed8ca1 JH |
3991 | struct hci_ev_link_key_req *ev = (void *) skb->data; |
3992 | struct hci_cp_link_key_reply cp; | |
3993 | struct hci_conn *conn; | |
3994 | struct link_key *key; | |
3995 | ||
a9de9248 | 3996 | BT_DBG("%s", hdev->name); |
55ed8ca1 | 3997 | |
d7a5a11d | 3998 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
55ed8ca1 JH |
3999 | return; |
4000 | ||
4001 | hci_dev_lock(hdev); | |
4002 | ||
4003 | key = hci_find_link_key(hdev, &ev->bdaddr); | |
4004 | if (!key) { | |
6ed93dc6 AE |
4005 | BT_DBG("%s link key not found for %pMR", hdev->name, |
4006 | &ev->bdaddr); | |
55ed8ca1 JH |
4007 | goto not_found; |
4008 | } | |
4009 | ||
6ed93dc6 AE |
4010 | BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, |
4011 | &ev->bdaddr); | |
55ed8ca1 | 4012 | |
55ed8ca1 | 4013 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
60b83f57 | 4014 | if (conn) { |
fe8bc5ac JH |
4015 | clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
4016 | ||
66138ce8 MH |
4017 | if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || |
4018 | key->type == HCI_LK_UNAUTH_COMBINATION_P256) && | |
807deac2 | 4019 | conn->auth_type != 0xff && (conn->auth_type & 0x01)) { |
60b83f57 WR |
4020 | BT_DBG("%s ignoring unauthenticated key", hdev->name); |
4021 | goto not_found; | |
4022 | } | |
55ed8ca1 | 4023 | |
60b83f57 | 4024 | if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && |
f3fb0b58 JH |
4025 | (conn->pending_sec_level == BT_SECURITY_HIGH || |
4026 | conn->pending_sec_level == BT_SECURITY_FIPS)) { | |
8fc9ced3 GP |
4027 | BT_DBG("%s ignoring key unauthenticated for high security", |
4028 | hdev->name); | |
60b83f57 WR |
4029 | goto not_found; |
4030 | } | |
4031 | ||
cb6f3f7a | 4032 | conn_set_key(conn, key->type, key->pin_len); |
55ed8ca1 JH |
4033 | } |
4034 | ||
4035 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9b3b4460 | 4036 | memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); |
55ed8ca1 JH |
4037 | |
4038 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); | |
4039 | ||
4040 | hci_dev_unlock(hdev); | |
4041 | ||
4042 | return; | |
4043 | ||
4044 | not_found: | |
4045 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); | |
4046 | hci_dev_unlock(hdev); | |
a9de9248 MH |
4047 | } |
4048 | ||
6039aa73 | 4049 | static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 4050 | { |
052b30b0 MH |
4051 | struct hci_ev_link_key_notify *ev = (void *) skb->data; |
4052 | struct hci_conn *conn; | |
7652ff6a JH |
4053 | struct link_key *key; |
4054 | bool persistent; | |
55ed8ca1 | 4055 | u8 pin_len = 0; |
052b30b0 | 4056 | |
a9de9248 | 4057 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
4058 | |
4059 | hci_dev_lock(hdev); | |
4060 | ||
4061 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
82c13d42 JH |
4062 | if (!conn) |
4063 | goto unlock; | |
4064 | ||
4065 | hci_conn_hold(conn); | |
4066 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
4067 | hci_conn_drop(conn); | |
4068 | ||
fe8bc5ac | 4069 | set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
82c13d42 | 4070 | conn_set_key(conn, ev->key_type, conn->pin_length); |
052b30b0 | 4071 | |
d7a5a11d | 4072 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7652ff6a JH |
4073 | goto unlock; |
4074 | ||
4075 | key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key, | |
4076 | ev->key_type, pin_len, &persistent); | |
4077 | if (!key) | |
4078 | goto unlock; | |
4079 | ||
cb6f3f7a JH |
4080 | /* Update connection information since adding the key will have |
4081 | * fixed up the type in the case of changed combination keys. | |
4082 | */ | |
4083 | if (ev->key_type == HCI_LK_CHANGED_COMBINATION) | |
4084 | conn_set_key(conn, key->type, key->pin_len); | |
4085 | ||
7652ff6a | 4086 | mgmt_new_link_key(hdev, key, persistent); |
55ed8ca1 | 4087 | |
6d5650c4 JH |
4088 | /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag |
4089 | * is set. If it's not set simply remove the key from the kernel | |
4090 | * list (we've still notified user space about it but with | |
4091 | * store_hint being 0). | |
4092 | */ | |
4093 | if (key->type == HCI_LK_DEBUG_COMBINATION && | |
d7a5a11d | 4094 | !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) { |
0378b597 JH |
4095 | list_del_rcu(&key->list); |
4096 | kfree_rcu(key, rcu); | |
82c13d42 | 4097 | goto unlock; |
6d5650c4 | 4098 | } |
7652ff6a | 4099 | |
82c13d42 JH |
4100 | if (persistent) |
4101 | clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
4102 | else | |
4103 | set_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
4104 | ||
7652ff6a | 4105 | unlock: |
052b30b0 | 4106 | hci_dev_unlock(hdev); |
a9de9248 MH |
4107 | } |
4108 | ||
6039aa73 | 4109 | static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 4110 | { |
a9de9248 | 4111 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
04837f64 | 4112 | struct hci_conn *conn; |
1da177e4 | 4113 | |
9f1db00c | 4114 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
4115 | |
4116 | hci_dev_lock(hdev); | |
4117 | ||
04837f64 | 4118 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
4119 | if (conn && !ev->status) { |
4120 | struct inquiry_entry *ie; | |
4121 | ||
cc11b9c1 AE |
4122 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
4123 | if (ie) { | |
1da177e4 LT |
4124 | ie->data.clock_offset = ev->clock_offset; |
4125 | ie->timestamp = jiffies; | |
4126 | } | |
4127 | } | |
4128 | ||
4129 | hci_dev_unlock(hdev); | |
4130 | } | |
4131 | ||
6039aa73 | 4132 | static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a8746417 MH |
4133 | { |
4134 | struct hci_ev_pkt_type_change *ev = (void *) skb->data; | |
4135 | struct hci_conn *conn; | |
4136 | ||
9f1db00c | 4137 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a8746417 MH |
4138 | |
4139 | hci_dev_lock(hdev); | |
4140 | ||
4141 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4142 | if (conn && !ev->status) | |
4143 | conn->pkt_type = __le16_to_cpu(ev->pkt_type); | |
4144 | ||
4145 | hci_dev_unlock(hdev); | |
4146 | } | |
4147 | ||
6039aa73 | 4148 | static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
85a1e930 | 4149 | { |
a9de9248 | 4150 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
85a1e930 MH |
4151 | struct inquiry_entry *ie; |
4152 | ||
4153 | BT_DBG("%s", hdev->name); | |
4154 | ||
4155 | hci_dev_lock(hdev); | |
4156 | ||
cc11b9c1 AE |
4157 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4158 | if (ie) { | |
85a1e930 MH |
4159 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
4160 | ie->timestamp = jiffies; | |
4161 | } | |
4162 | ||
4163 | hci_dev_unlock(hdev); | |
4164 | } | |
4165 | ||
6039aa73 GP |
4166 | static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, |
4167 | struct sk_buff *skb) | |
a9de9248 MH |
4168 | { |
4169 | struct inquiry_data data; | |
4170 | int num_rsp = *((__u8 *) skb->data); | |
4171 | ||
4172 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
4173 | ||
4174 | if (!num_rsp) | |
4175 | return; | |
4176 | ||
d7a5a11d | 4177 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
4178 | return; |
4179 | ||
a9de9248 MH |
4180 | hci_dev_lock(hdev); |
4181 | ||
4182 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
138d22ef SJ |
4183 | struct inquiry_info_with_rssi_and_pscan_mode *info; |
4184 | info = (void *) (skb->data + 1); | |
a9de9248 | 4185 | |
629b49c8 PY |
4186 | if (skb->len < num_rsp * sizeof(*info) + 1) |
4187 | goto unlock; | |
4188 | ||
e17acd40 | 4189 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4190 | u32 flags; |
4191 | ||
a9de9248 MH |
4192 | bacpy(&data.bdaddr, &info->bdaddr); |
4193 | data.pscan_rep_mode = info->pscan_rep_mode; | |
4194 | data.pscan_period_mode = info->pscan_period_mode; | |
4195 | data.pscan_mode = info->pscan_mode; | |
4196 | memcpy(data.dev_class, info->dev_class, 3); | |
4197 | data.clock_offset = info->clock_offset; | |
4198 | data.rssi = info->rssi; | |
41a96212 | 4199 | data.ssp_mode = 0x00; |
3175405b | 4200 | |
af58925c MH |
4201 | flags = hci_inquiry_cache_update(hdev, &data, false); |
4202 | ||
48264f06 | 4203 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 4204 | info->dev_class, info->rssi, |
af58925c | 4205 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
4206 | } |
4207 | } else { | |
4208 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); | |
4209 | ||
629b49c8 PY |
4210 | if (skb->len < num_rsp * sizeof(*info) + 1) |
4211 | goto unlock; | |
4212 | ||
e17acd40 | 4213 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4214 | u32 flags; |
4215 | ||
a9de9248 MH |
4216 | bacpy(&data.bdaddr, &info->bdaddr); |
4217 | data.pscan_rep_mode = info->pscan_rep_mode; | |
4218 | data.pscan_period_mode = info->pscan_period_mode; | |
4219 | data.pscan_mode = 0x00; | |
4220 | memcpy(data.dev_class, info->dev_class, 3); | |
4221 | data.clock_offset = info->clock_offset; | |
4222 | data.rssi = info->rssi; | |
41a96212 | 4223 | data.ssp_mode = 0x00; |
af58925c MH |
4224 | |
4225 | flags = hci_inquiry_cache_update(hdev, &data, false); | |
4226 | ||
48264f06 | 4227 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 4228 | info->dev_class, info->rssi, |
af58925c | 4229 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
4230 | } |
4231 | } | |
4232 | ||
629b49c8 | 4233 | unlock: |
a9de9248 MH |
4234 | hci_dev_unlock(hdev); |
4235 | } | |
4236 | ||
6039aa73 GP |
4237 | static void hci_remote_ext_features_evt(struct hci_dev *hdev, |
4238 | struct sk_buff *skb) | |
a9de9248 | 4239 | { |
41a96212 MH |
4240 | struct hci_ev_remote_ext_features *ev = (void *) skb->data; |
4241 | struct hci_conn *conn; | |
4242 | ||
a9de9248 | 4243 | BT_DBG("%s", hdev->name); |
41a96212 | 4244 | |
41a96212 MH |
4245 | hci_dev_lock(hdev); |
4246 | ||
4247 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
4248 | if (!conn) |
4249 | goto unlock; | |
41a96212 | 4250 | |
cad718ed JH |
4251 | if (ev->page < HCI_MAX_PAGES) |
4252 | memcpy(conn->features[ev->page], ev->features, 8); | |
4253 | ||
ccd556fe JH |
4254 | if (!ev->status && ev->page == 0x01) { |
4255 | struct inquiry_entry *ie; | |
41a96212 | 4256 | |
cc11b9c1 AE |
4257 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
4258 | if (ie) | |
02b7cc62 | 4259 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
769be974 | 4260 | |
bbb0eada | 4261 | if (ev->features[0] & LMP_HOST_SSP) { |
58a681ef | 4262 | set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
bbb0eada JK |
4263 | } else { |
4264 | /* It is mandatory by the Bluetooth specification that | |
4265 | * Extended Inquiry Results are only used when Secure | |
4266 | * Simple Pairing is enabled, but some devices violate | |
4267 | * this. | |
4268 | * | |
4269 | * To make these devices work, the internal SSP | |
4270 | * enabled flag needs to be cleared if the remote host | |
4271 | * features do not indicate SSP support */ | |
4272 | clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
4273 | } | |
eb9a8f3f MH |
4274 | |
4275 | if (ev->features[0] & LMP_HOST_SC) | |
4276 | set_bit(HCI_CONN_SC_ENABLED, &conn->flags); | |
ccd556fe JH |
4277 | } |
4278 | ||
4279 | if (conn->state != BT_CONFIG) | |
4280 | goto unlock; | |
4281 | ||
671267bf | 4282 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
4283 | struct hci_cp_remote_name_req cp; |
4284 | memset(&cp, 0, sizeof(cp)); | |
4285 | bacpy(&cp.bdaddr, &conn->dst); | |
4286 | cp.pscan_rep_mode = 0x02; | |
4287 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 4288 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 4289 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
392599b9 | 4290 | |
127178d2 | 4291 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 4292 | conn->state = BT_CONNECTED; |
539c496d | 4293 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 4294 | hci_conn_drop(conn); |
41a96212 MH |
4295 | } |
4296 | ||
ccd556fe | 4297 | unlock: |
41a96212 | 4298 | hci_dev_unlock(hdev); |
a9de9248 MH |
4299 | } |
4300 | ||
6039aa73 GP |
4301 | static void hci_sync_conn_complete_evt(struct hci_dev *hdev, |
4302 | struct sk_buff *skb) | |
a9de9248 | 4303 | { |
b6a0dc82 MH |
4304 | struct hci_ev_sync_conn_complete *ev = (void *) skb->data; |
4305 | struct hci_conn *conn; | |
4306 | ||
9f1db00c | 4307 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
b6a0dc82 MH |
4308 | |
4309 | hci_dev_lock(hdev); | |
4310 | ||
4311 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9dc0a3af MH |
4312 | if (!conn) { |
4313 | if (ev->link_type == ESCO_LINK) | |
4314 | goto unlock; | |
4315 | ||
618353b1 KP |
4316 | /* When the link type in the event indicates SCO connection |
4317 | * and lookup of the connection object fails, then check | |
4318 | * if an eSCO connection object exists. | |
4319 | * | |
4320 | * The core limits the synchronous connections to either | |
4321 | * SCO or eSCO. The eSCO connection is preferred and tried | |
4322 | * to be setup first and until successfully established, | |
4323 | * the link type will be hinted as eSCO. | |
4324 | */ | |
9dc0a3af MH |
4325 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); |
4326 | if (!conn) | |
4327 | goto unlock; | |
9dc0a3af | 4328 | } |
b6a0dc82 | 4329 | |
732547f9 MH |
4330 | switch (ev->status) { |
4331 | case 0x00: | |
b6a0dc82 MH |
4332 | conn->handle = __le16_to_cpu(ev->handle); |
4333 | conn->state = BT_CONNECTED; | |
618353b1 | 4334 | conn->type = ev->link_type; |
7d0db0a3 | 4335 | |
23b9ceb7 | 4336 | hci_debugfs_create_conn(conn); |
7d0db0a3 | 4337 | hci_conn_add_sysfs(conn); |
732547f9 MH |
4338 | break; |
4339 | ||
81218d20 | 4340 | case 0x10: /* Connection Accept Timeout */ |
1a4c958c | 4341 | case 0x0d: /* Connection Rejected due to Limited Resources */ |
705e5711 | 4342 | case 0x11: /* Unsupported Feature or Parameter Value */ |
732547f9 | 4343 | case 0x1c: /* SCO interval rejected */ |
1038a00b | 4344 | case 0x1a: /* Unsupported Remote Feature */ |
56b5453a | 4345 | case 0x1e: /* Invalid LMP Parameters */ |
732547f9 | 4346 | case 0x1f: /* Unspecified error */ |
27539bc4 | 4347 | case 0x20: /* Unsupported LMP Parameter value */ |
2dea632f | 4348 | if (conn->out) { |
732547f9 MH |
4349 | conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
4350 | (hdev->esco_type & EDR_ESCO_MASK); | |
2dea632f FD |
4351 | if (hci_setup_sync(conn, conn->link->handle)) |
4352 | goto unlock; | |
732547f9 | 4353 | } |
19186c7b | 4354 | fallthrough; |
732547f9 MH |
4355 | |
4356 | default: | |
b6a0dc82 | 4357 | conn->state = BT_CLOSED; |
732547f9 MH |
4358 | break; |
4359 | } | |
b6a0dc82 | 4360 | |
1f8330ea SN |
4361 | bt_dev_dbg(hdev, "SCO connected with air mode: %02x", ev->air_mode); |
4362 | ||
4363 | switch (conn->setting & SCO_AIRMODE_MASK) { | |
4364 | case SCO_AIRMODE_CVSD: | |
4365 | if (hdev->notify) | |
4366 | hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD); | |
4367 | break; | |
4368 | case SCO_AIRMODE_TRANSP: | |
4369 | if (hdev->notify) | |
4370 | hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_TRANSP); | |
4371 | break; | |
4372 | } | |
4373 | ||
539c496d | 4374 | hci_connect_cfm(conn, ev->status); |
b6a0dc82 MH |
4375 | if (ev->status) |
4376 | hci_conn_del(conn); | |
4377 | ||
4378 | unlock: | |
4379 | hci_dev_unlock(hdev); | |
a9de9248 MH |
4380 | } |
4381 | ||
efdcf8e3 MH |
4382 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
4383 | { | |
4384 | size_t parsed = 0; | |
4385 | ||
4386 | while (parsed < eir_len) { | |
4387 | u8 field_len = eir[0]; | |
4388 | ||
4389 | if (field_len == 0) | |
4390 | return parsed; | |
4391 | ||
4392 | parsed += field_len + 1; | |
4393 | eir += field_len + 1; | |
4394 | } | |
4395 | ||
4396 | return eir_len; | |
4397 | } | |
4398 | ||
6039aa73 GP |
4399 | static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, |
4400 | struct sk_buff *skb) | |
1da177e4 | 4401 | { |
a9de9248 MH |
4402 | struct inquiry_data data; |
4403 | struct extended_inquiry_info *info = (void *) (skb->data + 1); | |
4404 | int num_rsp = *((__u8 *) skb->data); | |
9d939d94 | 4405 | size_t eir_len; |
1da177e4 | 4406 | |
a9de9248 | 4407 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
1da177e4 | 4408 | |
51c19bf3 | 4409 | if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1) |
a9de9248 | 4410 | return; |
1da177e4 | 4411 | |
d7a5a11d | 4412 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
4413 | return; |
4414 | ||
a9de9248 MH |
4415 | hci_dev_lock(hdev); |
4416 | ||
e17acd40 | 4417 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4418 | u32 flags; |
4419 | bool name_known; | |
561aafbc | 4420 | |
a9de9248 | 4421 | bacpy(&data.bdaddr, &info->bdaddr); |
138d22ef SJ |
4422 | data.pscan_rep_mode = info->pscan_rep_mode; |
4423 | data.pscan_period_mode = info->pscan_period_mode; | |
4424 | data.pscan_mode = 0x00; | |
a9de9248 | 4425 | memcpy(data.dev_class, info->dev_class, 3); |
138d22ef SJ |
4426 | data.clock_offset = info->clock_offset; |
4427 | data.rssi = info->rssi; | |
41a96212 | 4428 | data.ssp_mode = 0x01; |
561aafbc | 4429 | |
d7a5a11d | 4430 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
0d3b7f64 JH |
4431 | name_known = eir_get_data(info->data, |
4432 | sizeof(info->data), | |
4433 | EIR_NAME_COMPLETE, NULL); | |
561aafbc JH |
4434 | else |
4435 | name_known = true; | |
4436 | ||
af58925c MH |
4437 | flags = hci_inquiry_cache_update(hdev, &data, name_known); |
4438 | ||
9d939d94 | 4439 | eir_len = eir_get_length(info->data, sizeof(info->data)); |
af58925c | 4440 | |
48264f06 | 4441 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
af58925c MH |
4442 | info->dev_class, info->rssi, |
4443 | flags, info->data, eir_len, NULL, 0); | |
a9de9248 MH |
4444 | } |
4445 | ||
4446 | hci_dev_unlock(hdev); | |
4447 | } | |
1da177e4 | 4448 | |
1c2e0041 JH |
4449 | static void hci_key_refresh_complete_evt(struct hci_dev *hdev, |
4450 | struct sk_buff *skb) | |
4451 | { | |
4452 | struct hci_ev_key_refresh_complete *ev = (void *) skb->data; | |
4453 | struct hci_conn *conn; | |
4454 | ||
9f1db00c | 4455 | BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, |
1c2e0041 JH |
4456 | __le16_to_cpu(ev->handle)); |
4457 | ||
4458 | hci_dev_lock(hdev); | |
4459 | ||
4460 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4461 | if (!conn) | |
4462 | goto unlock; | |
4463 | ||
9eb1fbfa JH |
4464 | /* For BR/EDR the necessary steps are taken through the |
4465 | * auth_complete event. | |
4466 | */ | |
4467 | if (conn->type != LE_LINK) | |
4468 | goto unlock; | |
4469 | ||
1c2e0041 JH |
4470 | if (!ev->status) |
4471 | conn->sec_level = conn->pending_sec_level; | |
4472 | ||
4473 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); | |
4474 | ||
4475 | if (ev->status && conn->state == BT_CONNECTED) { | |
bed71748 | 4476 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
76a68ba0 | 4477 | hci_conn_drop(conn); |
1c2e0041 JH |
4478 | goto unlock; |
4479 | } | |
4480 | ||
4481 | if (conn->state == BT_CONFIG) { | |
4482 | if (!ev->status) | |
4483 | conn->state = BT_CONNECTED; | |
4484 | ||
539c496d | 4485 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 4486 | hci_conn_drop(conn); |
1c2e0041 JH |
4487 | } else { |
4488 | hci_auth_cfm(conn, ev->status); | |
4489 | ||
4490 | hci_conn_hold(conn); | |
4491 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 4492 | hci_conn_drop(conn); |
1c2e0041 JH |
4493 | } |
4494 | ||
4495 | unlock: | |
4496 | hci_dev_unlock(hdev); | |
4497 | } | |
4498 | ||
6039aa73 | 4499 | static u8 hci_get_auth_req(struct hci_conn *conn) |
17fa4b9d | 4500 | { |
17fa4b9d | 4501 | /* If remote requests no-bonding follow that lead */ |
acabae96 MA |
4502 | if (conn->remote_auth == HCI_AT_NO_BONDING || |
4503 | conn->remote_auth == HCI_AT_NO_BONDING_MITM) | |
58797bf7 | 4504 | return conn->remote_auth | (conn->auth_type & 0x01); |
17fa4b9d | 4505 | |
b7f94c88 MA |
4506 | /* If both remote and local have enough IO capabilities, require |
4507 | * MITM protection | |
4508 | */ | |
4509 | if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT && | |
4510 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) | |
4511 | return conn->remote_auth | 0x01; | |
4512 | ||
7e74170a TM |
4513 | /* No MITM protection possible so ignore remote requirement */ |
4514 | return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); | |
17fa4b9d JH |
4515 | } |
4516 | ||
a83ed81e MH |
4517 | static u8 bredr_oob_data_present(struct hci_conn *conn) |
4518 | { | |
4519 | struct hci_dev *hdev = conn->hdev; | |
4520 | struct oob_data *data; | |
4521 | ||
4522 | data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR); | |
4523 | if (!data) | |
4524 | return 0x00; | |
4525 | ||
455c2ff0 MH |
4526 | if (bredr_sc_enabled(hdev)) { |
4527 | /* When Secure Connections is enabled, then just | |
4528 | * return the present value stored with the OOB | |
4529 | * data. The stored value contains the right present | |
4530 | * information. However it can only be trusted when | |
4531 | * not in Secure Connection Only mode. | |
4532 | */ | |
4533 | if (!hci_dev_test_flag(hdev, HCI_SC_ONLY)) | |
4534 | return data->present; | |
659c7fb0 | 4535 | |
455c2ff0 MH |
4536 | /* When Secure Connections Only mode is enabled, then |
4537 | * the P-256 values are required. If they are not | |
4538 | * available, then do not declare that OOB data is | |
4539 | * present. | |
659c7fb0 | 4540 | */ |
455c2ff0 MH |
4541 | if (!memcmp(data->rand256, ZERO_KEY, 16) || |
4542 | !memcmp(data->hash256, ZERO_KEY, 16)) | |
659c7fb0 MH |
4543 | return 0x00; |
4544 | ||
455c2ff0 | 4545 | return 0x02; |
659c7fb0 | 4546 | } |
a83ed81e | 4547 | |
455c2ff0 MH |
4548 | /* When Secure Connections is not enabled or actually |
4549 | * not supported by the hardware, then check that if | |
4550 | * P-192 data values are present. | |
4551 | */ | |
4552 | if (!memcmp(data->rand192, ZERO_KEY, 16) || | |
4553 | !memcmp(data->hash192, ZERO_KEY, 16)) | |
4554 | return 0x00; | |
4555 | ||
4556 | return 0x01; | |
a83ed81e MH |
4557 | } |
4558 | ||
6039aa73 | 4559 | static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
0493684e MH |
4560 | { |
4561 | struct hci_ev_io_capa_request *ev = (void *) skb->data; | |
4562 | struct hci_conn *conn; | |
4563 | ||
4564 | BT_DBG("%s", hdev->name); | |
4565 | ||
4566 | hci_dev_lock(hdev); | |
4567 | ||
4568 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
03b555e1 JH |
4569 | if (!conn) |
4570 | goto unlock; | |
4571 | ||
4572 | hci_conn_hold(conn); | |
4573 | ||
d7a5a11d | 4574 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
03b555e1 JH |
4575 | goto unlock; |
4576 | ||
2f407f0a JH |
4577 | /* Allow pairing if we're pairable, the initiators of the |
4578 | * pairing or if the remote is not requesting bonding. | |
4579 | */ | |
d7a5a11d | 4580 | if (hci_dev_test_flag(hdev, HCI_BONDABLE) || |
2f407f0a | 4581 | test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) || |
807deac2 | 4582 | (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { |
17fa4b9d JH |
4583 | struct hci_cp_io_capability_reply cp; |
4584 | ||
4585 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
7a7f1e7c HG |
4586 | /* Change the IO capability from KeyboardDisplay |
4587 | * to DisplayYesNo as it is not supported by BT spec. */ | |
4588 | cp.capability = (conn->io_capability == 0x04) ? | |
a767631a | 4589 | HCI_IO_DISPLAY_YESNO : conn->io_capability; |
b7f94c88 MA |
4590 | |
4591 | /* If we are initiators, there is no remote information yet */ | |
4592 | if (conn->remote_auth == 0xff) { | |
b16c6604 | 4593 | /* Request MITM protection if our IO caps allow it |
4ad51a75 | 4594 | * except for the no-bonding case. |
b16c6604 | 4595 | */ |
6fd6b915 | 4596 | if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
9f743d74 | 4597 | conn->auth_type != HCI_AT_NO_BONDING) |
6c53823a | 4598 | conn->auth_type |= 0x01; |
b7f94c88 MA |
4599 | } else { |
4600 | conn->auth_type = hci_get_auth_req(conn); | |
b7f94c88 | 4601 | } |
17fa4b9d | 4602 | |
82c295b1 JH |
4603 | /* If we're not bondable, force one of the non-bondable |
4604 | * authentication requirement values. | |
4605 | */ | |
d7a5a11d | 4606 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE)) |
82c295b1 JH |
4607 | conn->auth_type &= HCI_AT_NO_BONDING_MITM; |
4608 | ||
4609 | cp.authentication = conn->auth_type; | |
a83ed81e | 4610 | cp.oob_data = bredr_oob_data_present(conn); |
ce85ee13 | 4611 | |
17fa4b9d | 4612 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, |
807deac2 | 4613 | sizeof(cp), &cp); |
03b555e1 JH |
4614 | } else { |
4615 | struct hci_cp_io_capability_neg_reply cp; | |
4616 | ||
4617 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9f5a0d7b | 4618 | cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; |
0493684e | 4619 | |
03b555e1 | 4620 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, |
807deac2 | 4621 | sizeof(cp), &cp); |
03b555e1 JH |
4622 | } |
4623 | ||
4624 | unlock: | |
4625 | hci_dev_unlock(hdev); | |
4626 | } | |
4627 | ||
6039aa73 | 4628 | static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) |
03b555e1 JH |
4629 | { |
4630 | struct hci_ev_io_capa_reply *ev = (void *) skb->data; | |
4631 | struct hci_conn *conn; | |
4632 | ||
4633 | BT_DBG("%s", hdev->name); | |
4634 | ||
4635 | hci_dev_lock(hdev); | |
4636 | ||
4637 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4638 | if (!conn) | |
4639 | goto unlock; | |
4640 | ||
03b555e1 | 4641 | conn->remote_cap = ev->capability; |
03b555e1 JH |
4642 | conn->remote_auth = ev->authentication; |
4643 | ||
4644 | unlock: | |
0493684e MH |
4645 | hci_dev_unlock(hdev); |
4646 | } | |
4647 | ||
6039aa73 GP |
4648 | static void hci_user_confirm_request_evt(struct hci_dev *hdev, |
4649 | struct sk_buff *skb) | |
a5c29683 JH |
4650 | { |
4651 | struct hci_ev_user_confirm_req *ev = (void *) skb->data; | |
55bc1a37 | 4652 | int loc_mitm, rem_mitm, confirm_hint = 0; |
7a828908 | 4653 | struct hci_conn *conn; |
a5c29683 JH |
4654 | |
4655 | BT_DBG("%s", hdev->name); | |
4656 | ||
4657 | hci_dev_lock(hdev); | |
4658 | ||
d7a5a11d | 4659 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7a828908 | 4660 | goto unlock; |
a5c29683 | 4661 | |
7a828908 JH |
4662 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4663 | if (!conn) | |
4664 | goto unlock; | |
4665 | ||
4666 | loc_mitm = (conn->auth_type & 0x01); | |
4667 | rem_mitm = (conn->remote_auth & 0x01); | |
4668 | ||
4669 | /* If we require MITM but the remote device can't provide that | |
6c53823a JH |
4670 | * (it has NoInputNoOutput) then reject the confirmation |
4671 | * request. We check the security level here since it doesn't | |
4672 | * necessarily match conn->auth_type. | |
6fd6b915 | 4673 | */ |
6c53823a JH |
4674 | if (conn->pending_sec_level > BT_SECURITY_MEDIUM && |
4675 | conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { | |
7a828908 JH |
4676 | BT_DBG("Rejecting request: remote device can't provide MITM"); |
4677 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, | |
807deac2 | 4678 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4679 | goto unlock; |
4680 | } | |
4681 | ||
4682 | /* If no side requires MITM protection; auto-accept */ | |
a767631a MA |
4683 | if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && |
4684 | (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { | |
55bc1a37 JH |
4685 | |
4686 | /* If we're not the initiators request authorization to | |
4687 | * proceed from user space (mgmt_user_confirm with | |
ba15a58b | 4688 | * confirm_hint set to 1). The exception is if neither |
02f3e254 JH |
4689 | * side had MITM or if the local IO capability is |
4690 | * NoInputNoOutput, in which case we do auto-accept | |
ba15a58b JH |
4691 | */ |
4692 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && | |
02f3e254 | 4693 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
ba15a58b | 4694 | (loc_mitm || rem_mitm)) { |
55bc1a37 JH |
4695 | BT_DBG("Confirming auto-accept as acceptor"); |
4696 | confirm_hint = 1; | |
4697 | goto confirm; | |
4698 | } | |
4699 | ||
cee5f20f HC |
4700 | /* If there already exists link key in local host, leave the |
4701 | * decision to user space since the remote device could be | |
4702 | * legitimate or malicious. | |
4703 | */ | |
4704 | if (hci_find_link_key(hdev, &ev->bdaddr)) { | |
4705 | bt_dev_dbg(hdev, "Local host already has link key"); | |
4706 | confirm_hint = 1; | |
4707 | goto confirm; | |
4708 | } | |
4709 | ||
9f61656a | 4710 | BT_DBG("Auto-accept of user confirmation with %ums delay", |
807deac2 | 4711 | hdev->auto_accept_delay); |
9f61656a JH |
4712 | |
4713 | if (hdev->auto_accept_delay > 0) { | |
4714 | int delay = msecs_to_jiffies(hdev->auto_accept_delay); | |
7bc18d9d JH |
4715 | queue_delayed_work(conn->hdev->workqueue, |
4716 | &conn->auto_accept_work, delay); | |
9f61656a JH |
4717 | goto unlock; |
4718 | } | |
4719 | ||
7a828908 | 4720 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, |
807deac2 | 4721 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4722 | goto unlock; |
4723 | } | |
4724 | ||
55bc1a37 | 4725 | confirm: |
39adbffe JH |
4726 | mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, |
4727 | le32_to_cpu(ev->passkey), confirm_hint); | |
7a828908 JH |
4728 | |
4729 | unlock: | |
a5c29683 JH |
4730 | hci_dev_unlock(hdev); |
4731 | } | |
4732 | ||
6039aa73 GP |
4733 | static void hci_user_passkey_request_evt(struct hci_dev *hdev, |
4734 | struct sk_buff *skb) | |
1143d458 BG |
4735 | { |
4736 | struct hci_ev_user_passkey_req *ev = (void *) skb->data; | |
4737 | ||
4738 | BT_DBG("%s", hdev->name); | |
4739 | ||
d7a5a11d | 4740 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 4741 | mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); |
1143d458 BG |
4742 | } |
4743 | ||
92a25256 JH |
4744 | static void hci_user_passkey_notify_evt(struct hci_dev *hdev, |
4745 | struct sk_buff *skb) | |
4746 | { | |
4747 | struct hci_ev_user_passkey_notify *ev = (void *) skb->data; | |
4748 | struct hci_conn *conn; | |
4749 | ||
4750 | BT_DBG("%s", hdev->name); | |
4751 | ||
4752 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4753 | if (!conn) | |
4754 | return; | |
4755 | ||
4756 | conn->passkey_notify = __le32_to_cpu(ev->passkey); | |
4757 | conn->passkey_entered = 0; | |
4758 | ||
d7a5a11d | 4759 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4760 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4761 | conn->dst_type, conn->passkey_notify, | |
4762 | conn->passkey_entered); | |
4763 | } | |
4764 | ||
4765 | static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4766 | { | |
4767 | struct hci_ev_keypress_notify *ev = (void *) skb->data; | |
4768 | struct hci_conn *conn; | |
4769 | ||
4770 | BT_DBG("%s", hdev->name); | |
4771 | ||
4772 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4773 | if (!conn) | |
4774 | return; | |
4775 | ||
4776 | switch (ev->type) { | |
4777 | case HCI_KEYPRESS_STARTED: | |
4778 | conn->passkey_entered = 0; | |
4779 | return; | |
4780 | ||
4781 | case HCI_KEYPRESS_ENTERED: | |
4782 | conn->passkey_entered++; | |
4783 | break; | |
4784 | ||
4785 | case HCI_KEYPRESS_ERASED: | |
4786 | conn->passkey_entered--; | |
4787 | break; | |
4788 | ||
4789 | case HCI_KEYPRESS_CLEARED: | |
4790 | conn->passkey_entered = 0; | |
4791 | break; | |
4792 | ||
4793 | case HCI_KEYPRESS_COMPLETED: | |
4794 | return; | |
4795 | } | |
4796 | ||
d7a5a11d | 4797 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4798 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4799 | conn->dst_type, conn->passkey_notify, | |
4800 | conn->passkey_entered); | |
4801 | } | |
4802 | ||
6039aa73 GP |
4803 | static void hci_simple_pair_complete_evt(struct hci_dev *hdev, |
4804 | struct sk_buff *skb) | |
0493684e MH |
4805 | { |
4806 | struct hci_ev_simple_pair_complete *ev = (void *) skb->data; | |
4807 | struct hci_conn *conn; | |
4808 | ||
4809 | BT_DBG("%s", hdev->name); | |
4810 | ||
4811 | hci_dev_lock(hdev); | |
4812 | ||
4813 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
2a611692 JH |
4814 | if (!conn) |
4815 | goto unlock; | |
4816 | ||
c1d4fa7a JH |
4817 | /* Reset the authentication requirement to unknown */ |
4818 | conn->remote_auth = 0xff; | |
4819 | ||
2a611692 JH |
4820 | /* To avoid duplicate auth_failed events to user space we check |
4821 | * the HCI_CONN_AUTH_PEND flag which will be set if we | |
4822 | * initiated the authentication. A traditional auth_complete | |
4823 | * event gets always produced as initiator and is also mapped to | |
4824 | * the mgmt_auth_failed event */ | |
fa1bd918 | 4825 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) |
e1e930f5 | 4826 | mgmt_auth_failed(conn, ev->status); |
0493684e | 4827 | |
76a68ba0 | 4828 | hci_conn_drop(conn); |
2a611692 JH |
4829 | |
4830 | unlock: | |
0493684e MH |
4831 | hci_dev_unlock(hdev); |
4832 | } | |
4833 | ||
6039aa73 GP |
4834 | static void hci_remote_host_features_evt(struct hci_dev *hdev, |
4835 | struct sk_buff *skb) | |
41a96212 MH |
4836 | { |
4837 | struct hci_ev_remote_host_features *ev = (void *) skb->data; | |
4838 | struct inquiry_entry *ie; | |
cad718ed | 4839 | struct hci_conn *conn; |
41a96212 MH |
4840 | |
4841 | BT_DBG("%s", hdev->name); | |
4842 | ||
4843 | hci_dev_lock(hdev); | |
4844 | ||
cad718ed JH |
4845 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4846 | if (conn) | |
4847 | memcpy(conn->features[1], ev->features, 8); | |
4848 | ||
cc11b9c1 AE |
4849 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4850 | if (ie) | |
02b7cc62 | 4851 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
41a96212 MH |
4852 | |
4853 | hci_dev_unlock(hdev); | |
4854 | } | |
4855 | ||
6039aa73 GP |
4856 | static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, |
4857 | struct sk_buff *skb) | |
2763eda6 SJ |
4858 | { |
4859 | struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; | |
4860 | struct oob_data *data; | |
4861 | ||
4862 | BT_DBG("%s", hdev->name); | |
4863 | ||
4864 | hci_dev_lock(hdev); | |
4865 | ||
d7a5a11d | 4866 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
e1ba1f15 SJ |
4867 | goto unlock; |
4868 | ||
6928a924 | 4869 | data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR); |
6665d057 MH |
4870 | if (!data) { |
4871 | struct hci_cp_remote_oob_data_neg_reply cp; | |
519ca9d0 | 4872 | |
6665d057 MH |
4873 | bacpy(&cp.bdaddr, &ev->bdaddr); |
4874 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, | |
4875 | sizeof(cp), &cp); | |
4876 | goto unlock; | |
4877 | } | |
2763eda6 | 4878 | |
6665d057 MH |
4879 | if (bredr_sc_enabled(hdev)) { |
4880 | struct hci_cp_remote_oob_ext_data_reply cp; | |
519ca9d0 | 4881 | |
6665d057 | 4882 | bacpy(&cp.bdaddr, &ev->bdaddr); |
d7a5a11d | 4883 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
6665d057 MH |
4884 | memset(cp.hash192, 0, sizeof(cp.hash192)); |
4885 | memset(cp.rand192, 0, sizeof(cp.rand192)); | |
4886 | } else { | |
4887 | memcpy(cp.hash192, data->hash192, sizeof(cp.hash192)); | |
4888 | memcpy(cp.rand192, data->rand192, sizeof(cp.rand192)); | |
519ca9d0 | 4889 | } |
6665d057 MH |
4890 | memcpy(cp.hash256, data->hash256, sizeof(cp.hash256)); |
4891 | memcpy(cp.rand256, data->rand256, sizeof(cp.rand256)); | |
4892 | ||
4893 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY, | |
4894 | sizeof(cp), &cp); | |
2763eda6 | 4895 | } else { |
6665d057 | 4896 | struct hci_cp_remote_oob_data_reply cp; |
2763eda6 SJ |
4897 | |
4898 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
6665d057 MH |
4899 | memcpy(cp.hash, data->hash192, sizeof(cp.hash)); |
4900 | memcpy(cp.rand, data->rand192, sizeof(cp.rand)); | |
4901 | ||
4902 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, | |
519ca9d0 | 4903 | sizeof(cp), &cp); |
2763eda6 SJ |
4904 | } |
4905 | ||
e1ba1f15 | 4906 | unlock: |
2763eda6 SJ |
4907 | hci_dev_unlock(hdev); |
4908 | } | |
4909 | ||
a77a6a14 AW |
4910 | #if IS_ENABLED(CONFIG_BT_HS) |
4911 | static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4912 | { | |
4913 | struct hci_ev_channel_selected *ev = (void *)skb->data; | |
4914 | struct hci_conn *hcon; | |
4915 | ||
4916 | BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); | |
4917 | ||
4918 | skb_pull(skb, sizeof(*ev)); | |
4919 | ||
4920 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4921 | if (!hcon) | |
4922 | return; | |
4923 | ||
4924 | amp_read_loc_assoc_final_data(hdev, hcon); | |
4925 | } | |
4926 | ||
d5e91192 AE |
4927 | static void hci_phy_link_complete_evt(struct hci_dev *hdev, |
4928 | struct sk_buff *skb) | |
4929 | { | |
4930 | struct hci_ev_phy_link_complete *ev = (void *) skb->data; | |
4931 | struct hci_conn *hcon, *bredr_hcon; | |
4932 | ||
4933 | BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, | |
4934 | ev->status); | |
4935 | ||
4936 | hci_dev_lock(hdev); | |
4937 | ||
4938 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4939 | if (!hcon) { | |
4940 | hci_dev_unlock(hdev); | |
4941 | return; | |
4942 | } | |
4943 | ||
4944 | if (ev->status) { | |
4945 | hci_conn_del(hcon); | |
4946 | hci_dev_unlock(hdev); | |
4947 | return; | |
4948 | } | |
4949 | ||
4950 | bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; | |
4951 | ||
4952 | hcon->state = BT_CONNECTED; | |
4953 | bacpy(&hcon->dst, &bredr_hcon->dst); | |
4954 | ||
4955 | hci_conn_hold(hcon); | |
4956 | hcon->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 4957 | hci_conn_drop(hcon); |
d5e91192 | 4958 | |
23b9ceb7 | 4959 | hci_debugfs_create_conn(hcon); |
d5e91192 AE |
4960 | hci_conn_add_sysfs(hcon); |
4961 | ||
cf70ff22 | 4962 | amp_physical_cfm(bredr_hcon, hcon); |
d5e91192 | 4963 | |
cf70ff22 | 4964 | hci_dev_unlock(hdev); |
d5e91192 AE |
4965 | } |
4966 | ||
27695fb4 AE |
4967 | static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
4968 | { | |
4969 | struct hci_ev_logical_link_complete *ev = (void *) skb->data; | |
4970 | struct hci_conn *hcon; | |
4971 | struct hci_chan *hchan; | |
4972 | struct amp_mgr *mgr; | |
4973 | ||
4974 | BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", | |
4975 | hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, | |
4976 | ev->status); | |
4977 | ||
4978 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4979 | if (!hcon) | |
4980 | return; | |
4981 | ||
4982 | /* Create AMP hchan */ | |
4983 | hchan = hci_chan_create(hcon); | |
4984 | if (!hchan) | |
4985 | return; | |
4986 | ||
4987 | hchan->handle = le16_to_cpu(ev->handle); | |
4988 | ||
4989 | BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); | |
4990 | ||
4991 | mgr = hcon->amp_mgr; | |
4992 | if (mgr && mgr->bredr_chan) { | |
4993 | struct l2cap_chan *bredr_chan = mgr->bredr_chan; | |
4994 | ||
4995 | l2cap_chan_lock(bredr_chan); | |
4996 | ||
4997 | bredr_chan->conn->mtu = hdev->block_mtu; | |
4998 | l2cap_logical_cfm(bredr_chan, hchan, 0); | |
4999 | hci_conn_hold(hcon); | |
5000 | ||
5001 | l2cap_chan_unlock(bredr_chan); | |
5002 | } | |
5003 | } | |
5004 | ||
606e2a10 AE |
5005 | static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, |
5006 | struct sk_buff *skb) | |
5007 | { | |
5008 | struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; | |
5009 | struct hci_chan *hchan; | |
5010 | ||
5011 | BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, | |
5012 | le16_to_cpu(ev->handle), ev->status); | |
5013 | ||
5014 | if (ev->status) | |
5015 | return; | |
5016 | ||
5017 | hci_dev_lock(hdev); | |
5018 | ||
5019 | hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); | |
5020 | if (!hchan) | |
5021 | goto unlock; | |
5022 | ||
5023 | amp_destroy_logical_link(hchan, ev->reason); | |
5024 | ||
5025 | unlock: | |
5026 | hci_dev_unlock(hdev); | |
5027 | } | |
5028 | ||
9eef6b3a AE |
5029 | static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, |
5030 | struct sk_buff *skb) | |
5031 | { | |
5032 | struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; | |
5033 | struct hci_conn *hcon; | |
5034 | ||
5035 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5036 | ||
5037 | if (ev->status) | |
5038 | return; | |
5039 | ||
5040 | hci_dev_lock(hdev); | |
5041 | ||
5042 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
5043 | if (hcon) { | |
5044 | hcon->state = BT_CLOSED; | |
5045 | hci_conn_del(hcon); | |
5046 | } | |
5047 | ||
5048 | hci_dev_unlock(hdev); | |
5049 | } | |
a77a6a14 | 5050 | #endif |
9eef6b3a | 5051 | |
d12fb056 JK |
5052 | static void le_conn_complete_evt(struct hci_dev *hdev, u8 status, |
5053 | bdaddr_t *bdaddr, u8 bdaddr_type, u8 role, u16 handle, | |
5054 | u16 interval, u16 latency, u16 supervision_timeout) | |
fcd89c09 | 5055 | { |
912b42ef | 5056 | struct hci_conn_params *params; |
fcd89c09 | 5057 | struct hci_conn *conn; |
68d6f6de | 5058 | struct smp_irk *irk; |
837d502e | 5059 | u8 addr_type; |
fcd89c09 | 5060 | |
fcd89c09 VT |
5061 | hci_dev_lock(hdev); |
5062 | ||
fbd96c15 JH |
5063 | /* All controllers implicitly stop advertising in the event of a |
5064 | * connection, so ensure that the state bit is cleared. | |
5065 | */ | |
a358dc11 | 5066 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
fbd96c15 | 5067 | |
e7d9ab73 | 5068 | conn = hci_lookup_le_connect(hdev); |
b62f328b | 5069 | if (!conn) { |
d12fb056 | 5070 | conn = hci_conn_add(hdev, LE_LINK, bdaddr, role); |
b62f328b | 5071 | if (!conn) { |
2064ee33 | 5072 | bt_dev_err(hdev, "no memory for new connection"); |
230fd16a | 5073 | goto unlock; |
b62f328b | 5074 | } |
29b7988a | 5075 | |
d12fb056 | 5076 | conn->dst_type = bdaddr_type; |
b9b343d2 | 5077 | |
cb1d68f7 JH |
5078 | /* If we didn't have a hci_conn object previously |
5079 | * but we're in master role this must be something | |
5080 | * initiated using a white list. Since white list based | |
5081 | * connections are not "first class citizens" we don't | |
5082 | * have full tracking of them. Therefore, we go ahead | |
5083 | * with a "best effort" approach of determining the | |
5084 | * initiator address based on the HCI_PRIVACY flag. | |
5085 | */ | |
5086 | if (conn->out) { | |
d12fb056 JK |
5087 | conn->resp_addr_type = bdaddr_type; |
5088 | bacpy(&conn->resp_addr, bdaddr); | |
d7a5a11d | 5089 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
cb1d68f7 JH |
5090 | conn->init_addr_type = ADDR_LE_DEV_RANDOM; |
5091 | bacpy(&conn->init_addr, &hdev->rpa); | |
5092 | } else { | |
5093 | hci_copy_identity_address(hdev, | |
5094 | &conn->init_addr, | |
5095 | &conn->init_addr_type); | |
5096 | } | |
cb1d68f7 | 5097 | } |
9489eca4 JH |
5098 | } else { |
5099 | cancel_delayed_work(&conn->le_conn_timeout); | |
b62f328b | 5100 | } |
fcd89c09 | 5101 | |
80c24ab8 JH |
5102 | if (!conn->out) { |
5103 | /* Set the responder (our side) address type based on | |
5104 | * the advertising address type. | |
5105 | */ | |
5106 | conn->resp_addr_type = hdev->adv_addr_type; | |
acf0aeae JK |
5107 | if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) { |
5108 | /* In case of ext adv, resp_addr will be updated in | |
5109 | * Adv Terminated event. | |
5110 | */ | |
5111 | if (!ext_adv_capable(hdev)) | |
5112 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
5113 | } else { | |
80c24ab8 | 5114 | bacpy(&conn->resp_addr, &hdev->bdaddr); |
acf0aeae | 5115 | } |
80c24ab8 | 5116 | |
d12fb056 JK |
5117 | conn->init_addr_type = bdaddr_type; |
5118 | bacpy(&conn->init_addr, bdaddr); | |
a720d735 MH |
5119 | |
5120 | /* For incoming connections, set the default minimum | |
5121 | * and maximum connection interval. They will be used | |
5122 | * to check if the parameters are in range and if not | |
5123 | * trigger the connection update procedure. | |
5124 | */ | |
5125 | conn->le_conn_min_interval = hdev->le_conn_min_interval; | |
5126 | conn->le_conn_max_interval = hdev->le_conn_max_interval; | |
80c24ab8 | 5127 | } |
7be2edbb | 5128 | |
edb4b466 MH |
5129 | /* Lookup the identity address from the stored connection |
5130 | * address and address type. | |
5131 | * | |
5132 | * When establishing connections to an identity address, the | |
5133 | * connection procedure will store the resolvable random | |
5134 | * address first. Now if it can be converted back into the | |
5135 | * identity address, start using the identity address from | |
5136 | * now on. | |
5137 | */ | |
5138 | irk = hci_get_irk(hdev, &conn->dst, conn->dst_type); | |
68d6f6de JH |
5139 | if (irk) { |
5140 | bacpy(&conn->dst, &irk->bdaddr); | |
5141 | conn->dst_type = irk->addr_type; | |
5142 | } | |
5143 | ||
d12fb056 JK |
5144 | if (status) { |
5145 | hci_le_conn_failed(conn, status); | |
837d502e JH |
5146 | goto unlock; |
5147 | } | |
5148 | ||
08853f18 JH |
5149 | if (conn->dst_type == ADDR_LE_DEV_PUBLIC) |
5150 | addr_type = BDADDR_LE_PUBLIC; | |
5151 | else | |
5152 | addr_type = BDADDR_LE_RANDOM; | |
5153 | ||
2d3c2260 JH |
5154 | /* Drop the connection if the device is blocked */ |
5155 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) { | |
5156 | hci_conn_drop(conn); | |
cd17decb AG |
5157 | goto unlock; |
5158 | } | |
5159 | ||
b644ba33 | 5160 | if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
48ec92fa | 5161 | mgmt_device_connected(hdev, conn, 0, NULL, 0); |
83bc71b4 | 5162 | |
7b5c0d52 | 5163 | conn->sec_level = BT_SECURITY_LOW; |
d12fb056 | 5164 | conn->handle = handle; |
0fe29fd1 | 5165 | conn->state = BT_CONFIG; |
fcd89c09 | 5166 | |
d12fb056 JK |
5167 | conn->le_conn_interval = interval; |
5168 | conn->le_conn_latency = latency; | |
5169 | conn->le_supv_timeout = supervision_timeout; | |
e04fde60 | 5170 | |
23b9ceb7 | 5171 | hci_debugfs_create_conn(conn); |
fcd89c09 VT |
5172 | hci_conn_add_sysfs(conn); |
5173 | ||
d17010bf CIK |
5174 | /* The remote features procedure is defined for master |
5175 | * role only. So only in case of an initiated connection | |
5176 | * request the remote features. | |
5177 | * | |
5178 | * If the local controller supports slave-initiated features | |
5179 | * exchange, then requesting the remote features in slave | |
5180 | * role is possible. Otherwise just transition into the | |
5181 | * connected state without requesting the remote features. | |
5182 | */ | |
5183 | if (conn->out || | |
5184 | (hdev->le_features[0] & HCI_LE_SLAVE_FEATURES)) { | |
5185 | struct hci_cp_le_read_remote_features cp; | |
0fe29fd1 | 5186 | |
d17010bf | 5187 | cp.handle = __cpu_to_le16(conn->handle); |
0fe29fd1 | 5188 | |
d17010bf CIK |
5189 | hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES, |
5190 | sizeof(cp), &cp); | |
0fe29fd1 | 5191 | |
d17010bf | 5192 | hci_conn_hold(conn); |
0fe29fd1 | 5193 | } else { |
d17010bf | 5194 | conn->state = BT_CONNECTED; |
d12fb056 | 5195 | hci_connect_cfm(conn, status); |
0fe29fd1 | 5196 | } |
fcd89c09 | 5197 | |
5477610f JH |
5198 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst, |
5199 | conn->dst_type); | |
f161dd41 | 5200 | if (params) { |
95305baa | 5201 | list_del_init(¶ms->action); |
f161dd41 JH |
5202 | if (params->conn) { |
5203 | hci_conn_drop(params->conn); | |
f8aaf9b6 | 5204 | hci_conn_put(params->conn); |
f161dd41 JH |
5205 | params->conn = NULL; |
5206 | } | |
5207 | } | |
a4790dbd | 5208 | |
fcd89c09 | 5209 | unlock: |
223683a5 | 5210 | hci_update_background_scan(hdev); |
fcd89c09 VT |
5211 | hci_dev_unlock(hdev); |
5212 | } | |
5213 | ||
d12fb056 JK |
5214 | static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5215 | { | |
5216 | struct hci_ev_le_conn_complete *ev = (void *) skb->data; | |
5217 | ||
5218 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5219 | ||
5220 | le_conn_complete_evt(hdev, ev->status, &ev->bdaddr, ev->bdaddr_type, | |
5221 | ev->role, le16_to_cpu(ev->handle), | |
5222 | le16_to_cpu(ev->interval), | |
5223 | le16_to_cpu(ev->latency), | |
5224 | le16_to_cpu(ev->supervision_timeout)); | |
5225 | } | |
5226 | ||
4d94f95d JK |
5227 | static void hci_le_enh_conn_complete_evt(struct hci_dev *hdev, |
5228 | struct sk_buff *skb) | |
5229 | { | |
5230 | struct hci_ev_le_enh_conn_complete *ev = (void *) skb->data; | |
5231 | ||
5232 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5233 | ||
5234 | le_conn_complete_evt(hdev, ev->status, &ev->bdaddr, ev->bdaddr_type, | |
5235 | ev->role, le16_to_cpu(ev->handle), | |
5236 | le16_to_cpu(ev->interval), | |
5237 | le16_to_cpu(ev->latency), | |
5238 | le16_to_cpu(ev->supervision_timeout)); | |
5c49bcce SN |
5239 | |
5240 | if (use_ll_privacy(hdev) && | |
cbbdfa6f | 5241 | hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) && |
5c49bcce SN |
5242 | hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) |
5243 | hci_req_disable_address_resolution(hdev); | |
4d94f95d JK |
5244 | } |
5245 | ||
acf0aeae JK |
5246 | static void hci_le_ext_adv_term_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5247 | { | |
5248 | struct hci_evt_le_ext_adv_set_term *ev = (void *) skb->data; | |
5249 | struct hci_conn *conn; | |
5250 | ||
5251 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5252 | ||
5253 | if (ev->status) | |
5254 | return; | |
5255 | ||
5256 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->conn_handle)); | |
5257 | if (conn) { | |
5258 | struct adv_info *adv_instance; | |
5259 | ||
5260 | if (hdev->adv_addr_type != ADDR_LE_DEV_RANDOM) | |
5261 | return; | |
5262 | ||
5263 | if (!hdev->cur_adv_instance) { | |
5264 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
5265 | return; | |
5266 | } | |
5267 | ||
5268 | adv_instance = hci_find_adv_instance(hdev, hdev->cur_adv_instance); | |
5269 | if (adv_instance) | |
5270 | bacpy(&conn->resp_addr, &adv_instance->random_addr); | |
5271 | } | |
5272 | } | |
5273 | ||
1855d92d MH |
5274 | static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, |
5275 | struct sk_buff *skb) | |
5276 | { | |
5277 | struct hci_ev_le_conn_update_complete *ev = (void *) skb->data; | |
5278 | struct hci_conn *conn; | |
5279 | ||
5280 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5281 | ||
5282 | if (ev->status) | |
5283 | return; | |
5284 | ||
5285 | hci_dev_lock(hdev); | |
5286 | ||
5287 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
5288 | if (conn) { | |
5289 | conn->le_conn_interval = le16_to_cpu(ev->interval); | |
5290 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
5291 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
5292 | } | |
5293 | ||
5294 | hci_dev_unlock(hdev); | |
5295 | } | |
5296 | ||
a4790dbd | 5297 | /* This function requires the caller holds hdev->lock */ |
fd45ada9 AA |
5298 | static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, |
5299 | bdaddr_t *addr, | |
082f2300 SJ |
5300 | u8 addr_type, u8 adv_type, |
5301 | bdaddr_t *direct_rpa) | |
a4790dbd AG |
5302 | { |
5303 | struct hci_conn *conn; | |
4b9e7e75 | 5304 | struct hci_conn_params *params; |
a4790dbd | 5305 | |
1c1abcab JH |
5306 | /* If the event is not connectable don't proceed further */ |
5307 | if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND) | |
fd45ada9 | 5308 | return NULL; |
1c1abcab JH |
5309 | |
5310 | /* Ignore if the device is blocked */ | |
dcc36c16 | 5311 | if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) |
fd45ada9 | 5312 | return NULL; |
1c1abcab | 5313 | |
f99353cf JH |
5314 | /* Most controller will fail if we try to create new connections |
5315 | * while we have an existing one in slave role. | |
5316 | */ | |
4364f2e9 AM |
5317 | if (hdev->conn_hash.le_num_slave > 0 && |
5318 | (!test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) || | |
5319 | !(hdev->le_states[3] & 0x10))) | |
fd45ada9 | 5320 | return NULL; |
f99353cf | 5321 | |
1c1abcab JH |
5322 | /* If we're not connectable only connect devices that we have in |
5323 | * our pend_le_conns list. | |
5324 | */ | |
49c50922 JH |
5325 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, |
5326 | addr_type); | |
4b9e7e75 | 5327 | if (!params) |
fd45ada9 | 5328 | return NULL; |
4b9e7e75 | 5329 | |
28a667c9 JP |
5330 | if (!params->explicit_connect) { |
5331 | switch (params->auto_connect) { | |
5332 | case HCI_AUTO_CONN_DIRECT: | |
5333 | /* Only devices advertising with ADV_DIRECT_IND are | |
5334 | * triggering a connection attempt. This is allowing | |
5335 | * incoming connections from slave devices. | |
5336 | */ | |
5337 | if (adv_type != LE_ADV_DIRECT_IND) | |
5338 | return NULL; | |
5339 | break; | |
5340 | case HCI_AUTO_CONN_ALWAYS: | |
5341 | /* Devices advertising with ADV_IND or ADV_DIRECT_IND | |
5342 | * are triggering a connection attempt. This means | |
1e5479be | 5343 | * that incoming connections from slave device are |
28a667c9 JP |
5344 | * accepted and also outgoing connections to slave |
5345 | * devices are established when found. | |
5346 | */ | |
5347 | break; | |
5348 | default: | |
fd45ada9 | 5349 | return NULL; |
28a667c9 | 5350 | } |
4b9e7e75 | 5351 | } |
a4790dbd AG |
5352 | |
5353 | conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, | |
49b020c1 | 5354 | hdev->def_le_autoconnect_timeout, HCI_ROLE_MASTER, |
082f2300 | 5355 | direct_rpa); |
f161dd41 | 5356 | if (!IS_ERR(conn)) { |
28a667c9 JP |
5357 | /* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned |
5358 | * by higher layer that tried to connect, if no then | |
5359 | * store the pointer since we don't really have any | |
f161dd41 JH |
5360 | * other owner of the object besides the params that |
5361 | * triggered it. This way we can abort the connection if | |
5362 | * the parameters get removed and keep the reference | |
5363 | * count consistent once the connection is established. | |
5364 | */ | |
28a667c9 JP |
5365 | |
5366 | if (!params->explicit_connect) | |
5367 | params->conn = hci_conn_get(conn); | |
5368 | ||
fd45ada9 | 5369 | return conn; |
f161dd41 | 5370 | } |
a4790dbd AG |
5371 | |
5372 | switch (PTR_ERR(conn)) { | |
5373 | case -EBUSY: | |
5374 | /* If hci_connect() returns -EBUSY it means there is already | |
5375 | * an LE connection attempt going on. Since controllers don't | |
5376 | * support more than one connection attempt at the time, we | |
5377 | * don't consider this an error case. | |
5378 | */ | |
5379 | break; | |
5380 | default: | |
5381 | BT_DBG("Failed to connect: err %ld", PTR_ERR(conn)); | |
fd45ada9 | 5382 | return NULL; |
a4790dbd | 5383 | } |
fd45ada9 AA |
5384 | |
5385 | return NULL; | |
a4790dbd AG |
5386 | } |
5387 | ||
4af605d8 | 5388 | static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, |
2f010b55 | 5389 | u8 bdaddr_type, bdaddr_t *direct_addr, |
a2ec905d AM |
5390 | u8 direct_addr_type, s8 rssi, u8 *data, u8 len, |
5391 | bool ext_adv) | |
4af605d8 | 5392 | { |
b9a6328f | 5393 | struct discovery_state *d = &hdev->discovery; |
1c1abcab | 5394 | struct smp_irk *irk; |
fd45ada9 | 5395 | struct hci_conn *conn; |
474ee066 | 5396 | bool match; |
c70a7e4c | 5397 | u32 flags; |
6818375e SJ |
5398 | u8 *ptr, real_len; |
5399 | ||
56b40fbf JH |
5400 | switch (type) { |
5401 | case LE_ADV_IND: | |
5402 | case LE_ADV_DIRECT_IND: | |
5403 | case LE_ADV_SCAN_IND: | |
5404 | case LE_ADV_NONCONN_IND: | |
5405 | case LE_ADV_SCAN_RSP: | |
5406 | break; | |
5407 | default: | |
2064ee33 MH |
5408 | bt_dev_err_ratelimited(hdev, "unknown advertising packet " |
5409 | "type: 0x%02x", type); | |
56b40fbf JH |
5410 | return; |
5411 | } | |
5412 | ||
a2ec905d AM |
5413 | if (!ext_adv && len > HCI_MAX_AD_LENGTH) { |
5414 | bt_dev_err_ratelimited(hdev, "legacy adv larger than 31 bytes"); | |
5415 | return; | |
5416 | } | |
5417 | ||
6818375e SJ |
5418 | /* Find the end of the data in case the report contains padded zero |
5419 | * bytes at the end causing an invalid length value. | |
5420 | * | |
5421 | * When data is NULL, len is 0 so there is no need for extra ptr | |
5422 | * check as 'ptr < data + 0' is already false in such case. | |
5423 | */ | |
5424 | for (ptr = data; ptr < data + len && *ptr; ptr += *ptr + 1) { | |
5425 | if (ptr + 1 + *ptr > data + len) | |
5426 | break; | |
5427 | } | |
5428 | ||
5429 | real_len = ptr - data; | |
5430 | ||
5431 | /* Adjust for actual length */ | |
5432 | if (len != real_len) { | |
943d5d92 DU |
5433 | bt_dev_err_ratelimited(hdev, "advertising data len corrected %u -> %u", |
5434 | len, real_len); | |
6818375e SJ |
5435 | len = real_len; |
5436 | } | |
b9a6328f | 5437 | |
2f010b55 MH |
5438 | /* If the direct address is present, then this report is from |
5439 | * a LE Direct Advertising Report event. In that case it is | |
5440 | * important to see if the address is matching the local | |
5441 | * controller address. | |
5442 | */ | |
5443 | if (direct_addr) { | |
5444 | /* Only resolvable random addresses are valid for these | |
5445 | * kind of reports and others can be ignored. | |
5446 | */ | |
5447 | if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type)) | |
5448 | return; | |
5449 | ||
5450 | /* If the controller is not using resolvable random | |
5451 | * addresses, then this report can be ignored. | |
5452 | */ | |
d7a5a11d | 5453 | if (!hci_dev_test_flag(hdev, HCI_PRIVACY)) |
2f010b55 MH |
5454 | return; |
5455 | ||
5456 | /* If the local IRK of the controller does not match | |
5457 | * with the resolvable random address provided, then | |
5458 | * this report can be ignored. | |
5459 | */ | |
5460 | if (!smp_irk_matches(hdev, hdev->irk, direct_addr)) | |
5461 | return; | |
5462 | } | |
5463 | ||
1c1abcab JH |
5464 | /* Check if we need to convert to identity address */ |
5465 | irk = hci_get_irk(hdev, bdaddr, bdaddr_type); | |
5466 | if (irk) { | |
5467 | bdaddr = &irk->bdaddr; | |
5468 | bdaddr_type = irk->addr_type; | |
5469 | } | |
5470 | ||
082f2300 SJ |
5471 | /* Check if we have been requested to connect to this device. |
5472 | * | |
5473 | * direct_addr is set only for directed advertising reports (it is NULL | |
5474 | * for advertising reports) and is already verified to be RPA above. | |
5475 | */ | |
5476 | conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type, | |
5477 | direct_addr); | |
a2ec905d | 5478 | if (!ext_adv && conn && type == LE_ADV_IND && len <= HCI_MAX_AD_LENGTH) { |
fd45ada9 AA |
5479 | /* Store report for later inclusion by |
5480 | * mgmt_device_connected | |
5481 | */ | |
5482 | memcpy(conn->le_adv_data, data, len); | |
5483 | conn->le_adv_data_len = len; | |
5484 | } | |
1c1abcab | 5485 | |
0d2bf134 JH |
5486 | /* Passive scanning shouldn't trigger any device found events, |
5487 | * except for devices marked as CONN_REPORT for which we do send | |
8208f5a9 | 5488 | * device found events, or advertisement monitoring requested. |
0d2bf134 | 5489 | */ |
ca5c4be7 | 5490 | if (hdev->le_scan_type == LE_SCAN_PASSIVE) { |
0d2bf134 JH |
5491 | if (type == LE_ADV_DIRECT_IND) |
5492 | return; | |
5493 | ||
3a19b6fe | 5494 | if (!hci_pend_le_action_lookup(&hdev->pend_le_reports, |
8208f5a9 MC |
5495 | bdaddr, bdaddr_type) && |
5496 | idr_is_empty(&hdev->adv_monitors_idr)) | |
0d2bf134 JH |
5497 | return; |
5498 | ||
5499 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND) | |
5500 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
5501 | else | |
5502 | flags = 0; | |
5503 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
5504 | rssi, flags, data, len, NULL, 0); | |
97bf2e99 | 5505 | return; |
ca5c4be7 | 5506 | } |
4af605d8 | 5507 | |
c70a7e4c MH |
5508 | /* When receiving non-connectable or scannable undirected |
5509 | * advertising reports, this means that the remote device is | |
5510 | * not connectable and then clearly indicate this in the | |
5511 | * device found event. | |
5512 | * | |
5513 | * When receiving a scan response, then there is no way to | |
5514 | * know if the remote device is connectable or not. However | |
5515 | * since scan responses are merged with a previously seen | |
5516 | * advertising report, the flags field from that report | |
5517 | * will be used. | |
5518 | * | |
5519 | * In the really unlikely case that a controller get confused | |
5520 | * and just sends a scan response event, then it is marked as | |
5521 | * not connectable as well. | |
5522 | */ | |
5523 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND || | |
5524 | type == LE_ADV_SCAN_RSP) | |
5525 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
5526 | else | |
5527 | flags = 0; | |
5528 | ||
b9a6328f JH |
5529 | /* If there's nothing pending either store the data from this |
5530 | * event or send an immediate device found event if the data | |
5531 | * should not be stored for later. | |
5532 | */ | |
a2ec905d | 5533 | if (!ext_adv && !has_pending_adv_report(hdev)) { |
b9a6328f JH |
5534 | /* If the report will trigger a SCAN_REQ store it for |
5535 | * later merging. | |
5536 | */ | |
5537 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
5538 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 5539 | rssi, flags, data, len); |
b9a6328f JH |
5540 | return; |
5541 | } | |
5542 | ||
5543 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
c70a7e4c | 5544 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
5545 | return; |
5546 | } | |
5547 | ||
474ee066 JH |
5548 | /* Check if the pending report is for the same device as the new one */ |
5549 | match = (!bacmp(bdaddr, &d->last_adv_addr) && | |
5550 | bdaddr_type == d->last_adv_addr_type); | |
5551 | ||
b9a6328f JH |
5552 | /* If the pending data doesn't match this report or this isn't a |
5553 | * scan response (e.g. we got a duplicate ADV_IND) then force | |
5554 | * sending of the pending data. | |
5555 | */ | |
474ee066 JH |
5556 | if (type != LE_ADV_SCAN_RSP || !match) { |
5557 | /* Send out whatever is in the cache, but skip duplicates */ | |
5558 | if (!match) | |
5559 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ff5cd29f | 5560 | d->last_adv_addr_type, NULL, |
c70a7e4c | 5561 | d->last_adv_rssi, d->last_adv_flags, |
ff5cd29f | 5562 | d->last_adv_data, |
474ee066 | 5563 | d->last_adv_data_len, NULL, 0); |
b9a6328f JH |
5564 | |
5565 | /* If the new report will trigger a SCAN_REQ store it for | |
5566 | * later merging. | |
5567 | */ | |
a2ec905d AM |
5568 | if (!ext_adv && (type == LE_ADV_IND || |
5569 | type == LE_ADV_SCAN_IND)) { | |
b9a6328f | 5570 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, |
c70a7e4c | 5571 | rssi, flags, data, len); |
b9a6328f JH |
5572 | return; |
5573 | } | |
5574 | ||
5575 | /* The advertising reports cannot be merged, so clear | |
5576 | * the pending report and send out a device found event. | |
5577 | */ | |
5578 | clear_pending_adv_report(hdev); | |
5c5b93e4 | 5579 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, |
c70a7e4c | 5580 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
5581 | return; |
5582 | } | |
5583 | ||
5584 | /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and | |
5585 | * the new event is a SCAN_RSP. We can therefore proceed with | |
5586 | * sending a merged device found event. | |
5587 | */ | |
5588 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
c70a7e4c | 5589 | d->last_adv_addr_type, NULL, rssi, d->last_adv_flags, |
42bd6a56 | 5590 | d->last_adv_data, d->last_adv_data_len, data, len); |
b9a6328f | 5591 | clear_pending_adv_report(hdev); |
4af605d8 JH |
5592 | } |
5593 | ||
6039aa73 | 5594 | static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) |
9aa04c91 | 5595 | { |
e95beb41 AG |
5596 | u8 num_reports = skb->data[0]; |
5597 | void *ptr = &skb->data[1]; | |
9aa04c91 | 5598 | |
a4790dbd AG |
5599 | hci_dev_lock(hdev); |
5600 | ||
e95beb41 AG |
5601 | while (num_reports--) { |
5602 | struct hci_ev_le_advertising_info *ev = ptr; | |
4af605d8 | 5603 | s8 rssi; |
a4790dbd | 5604 | |
ee649346 CC |
5605 | if (ev->length <= HCI_MAX_AD_LENGTH) { |
5606 | rssi = ev->data[ev->length]; | |
5607 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, | |
5608 | ev->bdaddr_type, NULL, 0, rssi, | |
a2ec905d | 5609 | ev->data, ev->length, false); |
ee649346 CC |
5610 | } else { |
5611 | bt_dev_err(hdev, "Dropping invalid advertising data"); | |
5612 | } | |
3c9e9195 | 5613 | |
e95beb41 | 5614 | ptr += sizeof(*ev) + ev->length + 1; |
9aa04c91 | 5615 | } |
a4790dbd AG |
5616 | |
5617 | hci_dev_unlock(hdev); | |
9aa04c91 AG |
5618 | } |
5619 | ||
657cc646 | 5620 | static u8 ext_evt_type_to_legacy(struct hci_dev *hdev, u16 evt_type) |
b2cc9761 JK |
5621 | { |
5622 | if (evt_type & LE_EXT_ADV_LEGACY_PDU) { | |
5623 | switch (evt_type) { | |
5624 | case LE_LEGACY_ADV_IND: | |
5625 | return LE_ADV_IND; | |
5626 | case LE_LEGACY_ADV_DIRECT_IND: | |
5627 | return LE_ADV_DIRECT_IND; | |
5628 | case LE_LEGACY_ADV_SCAN_IND: | |
5629 | return LE_ADV_SCAN_IND; | |
5630 | case LE_LEGACY_NONCONN_IND: | |
5631 | return LE_ADV_NONCONN_IND; | |
5632 | case LE_LEGACY_SCAN_RSP_ADV: | |
5633 | case LE_LEGACY_SCAN_RSP_ADV_SCAN: | |
5634 | return LE_ADV_SCAN_RSP; | |
5635 | } | |
5636 | ||
657cc646 | 5637 | goto invalid; |
b2cc9761 JK |
5638 | } |
5639 | ||
5640 | if (evt_type & LE_EXT_ADV_CONN_IND) { | |
5641 | if (evt_type & LE_EXT_ADV_DIRECT_IND) | |
5642 | return LE_ADV_DIRECT_IND; | |
5643 | ||
c215e939 | 5644 | return LE_ADV_IND; |
b2cc9761 JK |
5645 | } |
5646 | ||
5647 | if (evt_type & LE_EXT_ADV_SCAN_RSP) | |
5648 | return LE_ADV_SCAN_RSP; | |
5649 | ||
5650 | if (evt_type & LE_EXT_ADV_SCAN_IND) | |
c215e939 | 5651 | return LE_ADV_SCAN_IND; |
b2cc9761 JK |
5652 | |
5653 | if (evt_type == LE_EXT_ADV_NON_CONN_IND || | |
5654 | evt_type & LE_EXT_ADV_DIRECT_IND) | |
c215e939 | 5655 | return LE_ADV_NONCONN_IND; |
c215e939 | 5656 | |
657cc646 MH |
5657 | invalid: |
5658 | bt_dev_err_ratelimited(hdev, "Unknown advertising packet type: 0x%02x", | |
5659 | evt_type); | |
c215e939 JK |
5660 | |
5661 | return LE_ADV_INVALID; | |
5662 | } | |
5663 | ||
5664 | static void hci_le_ext_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
5665 | { | |
5666 | u8 num_reports = skb->data[0]; | |
5667 | void *ptr = &skb->data[1]; | |
5668 | ||
5669 | hci_dev_lock(hdev); | |
5670 | ||
5671 | while (num_reports--) { | |
5672 | struct hci_ev_le_ext_adv_report *ev = ptr; | |
5673 | u8 legacy_evt_type; | |
5674 | u16 evt_type; | |
5675 | ||
5676 | evt_type = __le16_to_cpu(ev->evt_type); | |
657cc646 | 5677 | legacy_evt_type = ext_evt_type_to_legacy(hdev, evt_type); |
c215e939 JK |
5678 | if (legacy_evt_type != LE_ADV_INVALID) { |
5679 | process_adv_report(hdev, legacy_evt_type, &ev->bdaddr, | |
5680 | ev->bdaddr_type, NULL, 0, ev->rssi, | |
a2ec905d AM |
5681 | ev->data, ev->length, |
5682 | !(evt_type & LE_EXT_ADV_LEGACY_PDU)); | |
c215e939 JK |
5683 | } |
5684 | ||
cd9151b6 | 5685 | ptr += sizeof(*ev) + ev->length; |
c215e939 JK |
5686 | } |
5687 | ||
5688 | hci_dev_unlock(hdev); | |
5689 | } | |
5690 | ||
0fe29fd1 MH |
5691 | static void hci_le_remote_feat_complete_evt(struct hci_dev *hdev, |
5692 | struct sk_buff *skb) | |
5693 | { | |
5694 | struct hci_ev_le_remote_feat_complete *ev = (void *)skb->data; | |
5695 | struct hci_conn *conn; | |
5696 | ||
5697 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5698 | ||
5699 | hci_dev_lock(hdev); | |
5700 | ||
5701 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
5702 | if (conn) { | |
5703 | if (!ev->status) | |
5704 | memcpy(conn->features[0], ev->features, 8); | |
5705 | ||
5706 | if (conn->state == BT_CONFIG) { | |
5707 | __u8 status; | |
5708 | ||
5709 | /* If the local controller supports slave-initiated | |
5710 | * features exchange, but the remote controller does | |
5711 | * not, then it is possible that the error code 0x1a | |
5712 | * for unsupported remote feature gets returned. | |
5713 | * | |
5714 | * In this specific case, allow the connection to | |
5715 | * transition into connected state and mark it as | |
5716 | * successful. | |
5717 | */ | |
5718 | if ((hdev->le_features[0] & HCI_LE_SLAVE_FEATURES) && | |
5719 | !conn->out && ev->status == 0x1a) | |
5720 | status = 0x00; | |
5721 | else | |
5722 | status = ev->status; | |
5723 | ||
5724 | conn->state = BT_CONNECTED; | |
5725 | hci_connect_cfm(conn, status); | |
5726 | hci_conn_drop(conn); | |
5727 | } | |
5728 | } | |
5729 | ||
5730 | hci_dev_unlock(hdev); | |
5731 | } | |
5732 | ||
6039aa73 | 5733 | static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a7a595f6 VCG |
5734 | { |
5735 | struct hci_ev_le_ltk_req *ev = (void *) skb->data; | |
5736 | struct hci_cp_le_ltk_reply cp; | |
bea710fe | 5737 | struct hci_cp_le_ltk_neg_reply neg; |
a7a595f6 | 5738 | struct hci_conn *conn; |
c9839a11 | 5739 | struct smp_ltk *ltk; |
a7a595f6 | 5740 | |
9f1db00c | 5741 | BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); |
a7a595f6 VCG |
5742 | |
5743 | hci_dev_lock(hdev); | |
5744 | ||
5745 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
bea710fe VCG |
5746 | if (conn == NULL) |
5747 | goto not_found; | |
a7a595f6 | 5748 | |
f3a73d97 | 5749 | ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role); |
5378bc56 | 5750 | if (!ltk) |
bea710fe VCG |
5751 | goto not_found; |
5752 | ||
5378bc56 JH |
5753 | if (smp_ltk_is_sc(ltk)) { |
5754 | /* With SC both EDiv and Rand are set to zero */ | |
5755 | if (ev->ediv || ev->rand) | |
5756 | goto not_found; | |
5757 | } else { | |
5758 | /* For non-SC keys check that EDiv and Rand match */ | |
5759 | if (ev->ediv != ltk->ediv || ev->rand != ltk->rand) | |
5760 | goto not_found; | |
5761 | } | |
5762 | ||
8b76ce34 JH |
5763 | memcpy(cp.ltk, ltk->val, ltk->enc_size); |
5764 | memset(cp.ltk + ltk->enc_size, 0, sizeof(cp.ltk) - ltk->enc_size); | |
a7a595f6 | 5765 | cp.handle = cpu_to_le16(conn->handle); |
c9839a11 | 5766 | |
a6f7833c | 5767 | conn->pending_sec_level = smp_ltk_sec_level(ltk); |
a7a595f6 | 5768 | |
89cbb4da | 5769 | conn->enc_key_size = ltk->enc_size; |
a7a595f6 VCG |
5770 | |
5771 | hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); | |
5772 | ||
5981a882 CT |
5773 | /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a |
5774 | * temporary key used to encrypt a connection following | |
5775 | * pairing. It is used during the Encrypted Session Setup to | |
5776 | * distribute the keys. Later, security can be re-established | |
5777 | * using a distributed LTK. | |
5778 | */ | |
2ceba539 | 5779 | if (ltk->type == SMP_STK) { |
fe59a05f | 5780 | set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
970d0f1b JH |
5781 | list_del_rcu(<k->list); |
5782 | kfree_rcu(ltk, rcu); | |
fe59a05f JH |
5783 | } else { |
5784 | clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); | |
c9839a11 VCG |
5785 | } |
5786 | ||
a7a595f6 | 5787 | hci_dev_unlock(hdev); |
bea710fe VCG |
5788 | |
5789 | return; | |
5790 | ||
5791 | not_found: | |
5792 | neg.handle = ev->handle; | |
5793 | hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); | |
5794 | hci_dev_unlock(hdev); | |
a7a595f6 VCG |
5795 | } |
5796 | ||
8e75b46a AG |
5797 | static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle, |
5798 | u8 reason) | |
5799 | { | |
5800 | struct hci_cp_le_conn_param_req_neg_reply cp; | |
5801 | ||
5802 | cp.handle = cpu_to_le16(handle); | |
5803 | cp.reason = reason; | |
5804 | ||
5805 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp), | |
5806 | &cp); | |
5807 | } | |
5808 | ||
5809 | static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev, | |
5810 | struct sk_buff *skb) | |
5811 | { | |
5812 | struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data; | |
5813 | struct hci_cp_le_conn_param_req_reply cp; | |
5814 | struct hci_conn *hcon; | |
5815 | u16 handle, min, max, latency, timeout; | |
5816 | ||
5817 | handle = le16_to_cpu(ev->handle); | |
5818 | min = le16_to_cpu(ev->interval_min); | |
5819 | max = le16_to_cpu(ev->interval_max); | |
5820 | latency = le16_to_cpu(ev->latency); | |
5821 | timeout = le16_to_cpu(ev->timeout); | |
5822 | ||
5823 | hcon = hci_conn_hash_lookup_handle(hdev, handle); | |
5824 | if (!hcon || hcon->state != BT_CONNECTED) | |
5825 | return send_conn_param_neg_reply(hdev, handle, | |
5826 | HCI_ERROR_UNKNOWN_CONN_ID); | |
5827 | ||
5828 | if (hci_check_conn_params(min, max, latency, timeout)) | |
5829 | return send_conn_param_neg_reply(hdev, handle, | |
5830 | HCI_ERROR_INVALID_LL_PARAMS); | |
5831 | ||
40bef302 | 5832 | if (hcon->role == HCI_ROLE_MASTER) { |
348d50b8 | 5833 | struct hci_conn_params *params; |
f4869e2a | 5834 | u8 store_hint; |
348d50b8 JH |
5835 | |
5836 | hci_dev_lock(hdev); | |
5837 | ||
5838 | params = hci_conn_params_lookup(hdev, &hcon->dst, | |
5839 | hcon->dst_type); | |
5840 | if (params) { | |
5841 | params->conn_min_interval = min; | |
5842 | params->conn_max_interval = max; | |
5843 | params->conn_latency = latency; | |
5844 | params->supervision_timeout = timeout; | |
f4869e2a JH |
5845 | store_hint = 0x01; |
5846 | } else{ | |
5847 | store_hint = 0x00; | |
348d50b8 JH |
5848 | } |
5849 | ||
5850 | hci_dev_unlock(hdev); | |
5851 | ||
f4869e2a JH |
5852 | mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type, |
5853 | store_hint, min, max, latency, timeout); | |
348d50b8 | 5854 | } |
ffb5a827 | 5855 | |
8e75b46a AG |
5856 | cp.handle = ev->handle; |
5857 | cp.interval_min = ev->interval_min; | |
5858 | cp.interval_max = ev->interval_max; | |
5859 | cp.latency = ev->latency; | |
5860 | cp.timeout = ev->timeout; | |
5861 | cp.min_ce_len = 0; | |
5862 | cp.max_ce_len = 0; | |
5863 | ||
5864 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp); | |
5865 | } | |
5866 | ||
2f010b55 MH |
5867 | static void hci_le_direct_adv_report_evt(struct hci_dev *hdev, |
5868 | struct sk_buff *skb) | |
5869 | { | |
5870 | u8 num_reports = skb->data[0]; | |
5871 | void *ptr = &skb->data[1]; | |
5872 | ||
5873 | hci_dev_lock(hdev); | |
5874 | ||
5875 | while (num_reports--) { | |
5876 | struct hci_ev_le_direct_adv_info *ev = ptr; | |
5877 | ||
5878 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, | |
5879 | ev->bdaddr_type, &ev->direct_addr, | |
a2ec905d AM |
5880 | ev->direct_addr_type, ev->rssi, NULL, 0, |
5881 | false); | |
2f010b55 MH |
5882 | |
5883 | ptr += sizeof(*ev); | |
5884 | } | |
5885 | ||
5886 | hci_dev_unlock(hdev); | |
5887 | } | |
5888 | ||
1efd927d LAD |
5889 | static void hci_le_phy_update_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5890 | { | |
5891 | struct hci_ev_le_phy_update_complete *ev = (void *) skb->data; | |
5892 | struct hci_conn *conn; | |
5893 | ||
5894 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5895 | ||
5896 | if (!ev->status) | |
5897 | return; | |
5898 | ||
5899 | hci_dev_lock(hdev); | |
5900 | ||
5901 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
5902 | if (!conn) | |
5903 | goto unlock; | |
5904 | ||
5905 | conn->le_tx_phy = ev->tx_phy; | |
5906 | conn->le_rx_phy = ev->rx_phy; | |
5907 | ||
5908 | unlock: | |
5909 | hci_dev_unlock(hdev); | |
5910 | } | |
5911 | ||
6039aa73 | 5912 | static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
5913 | { |
5914 | struct hci_ev_le_meta *le_ev = (void *) skb->data; | |
5915 | ||
5916 | skb_pull(skb, sizeof(*le_ev)); | |
5917 | ||
5918 | switch (le_ev->subevent) { | |
5919 | case HCI_EV_LE_CONN_COMPLETE: | |
5920 | hci_le_conn_complete_evt(hdev, skb); | |
5921 | break; | |
5922 | ||
1855d92d MH |
5923 | case HCI_EV_LE_CONN_UPDATE_COMPLETE: |
5924 | hci_le_conn_update_complete_evt(hdev, skb); | |
5925 | break; | |
5926 | ||
9aa04c91 AG |
5927 | case HCI_EV_LE_ADVERTISING_REPORT: |
5928 | hci_le_adv_report_evt(hdev, skb); | |
5929 | break; | |
5930 | ||
0fe29fd1 MH |
5931 | case HCI_EV_LE_REMOTE_FEAT_COMPLETE: |
5932 | hci_le_remote_feat_complete_evt(hdev, skb); | |
5933 | break; | |
5934 | ||
a7a595f6 VCG |
5935 | case HCI_EV_LE_LTK_REQ: |
5936 | hci_le_ltk_request_evt(hdev, skb); | |
5937 | break; | |
5938 | ||
8e75b46a AG |
5939 | case HCI_EV_LE_REMOTE_CONN_PARAM_REQ: |
5940 | hci_le_remote_conn_param_req_evt(hdev, skb); | |
5941 | break; | |
5942 | ||
2f010b55 MH |
5943 | case HCI_EV_LE_DIRECT_ADV_REPORT: |
5944 | hci_le_direct_adv_report_evt(hdev, skb); | |
5945 | break; | |
5946 | ||
1efd927d LAD |
5947 | case HCI_EV_LE_PHY_UPDATE_COMPLETE: |
5948 | hci_le_phy_update_evt(hdev, skb); | |
5949 | break; | |
5950 | ||
c215e939 JK |
5951 | case HCI_EV_LE_EXT_ADV_REPORT: |
5952 | hci_le_ext_adv_report_evt(hdev, skb); | |
5953 | break; | |
5954 | ||
4d94f95d JK |
5955 | case HCI_EV_LE_ENHANCED_CONN_COMPLETE: |
5956 | hci_le_enh_conn_complete_evt(hdev, skb); | |
5957 | break; | |
5958 | ||
acf0aeae JK |
5959 | case HCI_EV_LE_EXT_ADV_SET_TERM: |
5960 | hci_le_ext_adv_term_evt(hdev, skb); | |
5961 | break; | |
5962 | ||
fcd89c09 VT |
5963 | default: |
5964 | break; | |
5965 | } | |
5966 | } | |
5967 | ||
757aa0b5 JH |
5968 | static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode, |
5969 | u8 event, struct sk_buff *skb) | |
5970 | { | |
5971 | struct hci_ev_cmd_complete *ev; | |
5972 | struct hci_event_hdr *hdr; | |
5973 | ||
5974 | if (!skb) | |
5975 | return false; | |
5976 | ||
5977 | if (skb->len < sizeof(*hdr)) { | |
2064ee33 | 5978 | bt_dev_err(hdev, "too short HCI event"); |
757aa0b5 JH |
5979 | return false; |
5980 | } | |
5981 | ||
5982 | hdr = (void *) skb->data; | |
5983 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
5984 | ||
5985 | if (event) { | |
5986 | if (hdr->evt != event) | |
5987 | return false; | |
5988 | return true; | |
5989 | } | |
5990 | ||
1629db9c JH |
5991 | /* Check if request ended in Command Status - no way to retreive |
5992 | * any extra parameters in this case. | |
5993 | */ | |
5994 | if (hdr->evt == HCI_EV_CMD_STATUS) | |
5995 | return false; | |
5996 | ||
757aa0b5 | 5997 | if (hdr->evt != HCI_EV_CMD_COMPLETE) { |
2064ee33 MH |
5998 | bt_dev_err(hdev, "last event is not cmd complete (0x%2.2x)", |
5999 | hdr->evt); | |
757aa0b5 JH |
6000 | return false; |
6001 | } | |
6002 | ||
6003 | if (skb->len < sizeof(*ev)) { | |
2064ee33 | 6004 | bt_dev_err(hdev, "too short cmd_complete event"); |
757aa0b5 JH |
6005 | return false; |
6006 | } | |
6007 | ||
6008 | ev = (void *) skb->data; | |
6009 | skb_pull(skb, sizeof(*ev)); | |
6010 | ||
6011 | if (opcode != __le16_to_cpu(ev->opcode)) { | |
6012 | BT_DBG("opcode doesn't match (0x%2.2x != 0x%2.2x)", opcode, | |
6013 | __le16_to_cpu(ev->opcode)); | |
6014 | return false; | |
6015 | } | |
6016 | ||
6017 | return true; | |
6018 | } | |
6019 | ||
2f20216c APS |
6020 | static void hci_store_wake_reason(struct hci_dev *hdev, u8 event, |
6021 | struct sk_buff *skb) | |
6022 | { | |
6023 | struct hci_ev_le_advertising_info *adv; | |
6024 | struct hci_ev_le_direct_adv_info *direct_adv; | |
6025 | struct hci_ev_le_ext_adv_report *ext_adv; | |
6026 | const struct hci_ev_conn_complete *conn_complete = (void *)skb->data; | |
6027 | const struct hci_ev_conn_request *conn_request = (void *)skb->data; | |
6028 | ||
6029 | hci_dev_lock(hdev); | |
6030 | ||
6031 | /* If we are currently suspended and this is the first BT event seen, | |
6032 | * save the wake reason associated with the event. | |
6033 | */ | |
6034 | if (!hdev->suspended || hdev->wake_reason) | |
6035 | goto unlock; | |
6036 | ||
6037 | /* Default to remote wake. Values for wake_reason are documented in the | |
6038 | * Bluez mgmt api docs. | |
6039 | */ | |
6040 | hdev->wake_reason = MGMT_WAKE_REASON_REMOTE_WAKE; | |
6041 | ||
6042 | /* Once configured for remote wakeup, we should only wake up for | |
6043 | * reconnections. It's useful to see which device is waking us up so | |
6044 | * keep track of the bdaddr of the connection event that woke us up. | |
6045 | */ | |
6046 | if (event == HCI_EV_CONN_REQUEST) { | |
6047 | bacpy(&hdev->wake_addr, &conn_complete->bdaddr); | |
6048 | hdev->wake_addr_type = BDADDR_BREDR; | |
6049 | } else if (event == HCI_EV_CONN_COMPLETE) { | |
6050 | bacpy(&hdev->wake_addr, &conn_request->bdaddr); | |
6051 | hdev->wake_addr_type = BDADDR_BREDR; | |
6052 | } else if (event == HCI_EV_LE_META) { | |
6053 | struct hci_ev_le_meta *le_ev = (void *)skb->data; | |
6054 | u8 subevent = le_ev->subevent; | |
6055 | u8 *ptr = &skb->data[sizeof(*le_ev)]; | |
6056 | u8 num_reports = *ptr; | |
6057 | ||
6058 | if ((subevent == HCI_EV_LE_ADVERTISING_REPORT || | |
6059 | subevent == HCI_EV_LE_DIRECT_ADV_REPORT || | |
6060 | subevent == HCI_EV_LE_EXT_ADV_REPORT) && | |
6061 | num_reports) { | |
6062 | adv = (void *)(ptr + 1); | |
6063 | direct_adv = (void *)(ptr + 1); | |
6064 | ext_adv = (void *)(ptr + 1); | |
6065 | ||
6066 | switch (subevent) { | |
6067 | case HCI_EV_LE_ADVERTISING_REPORT: | |
6068 | bacpy(&hdev->wake_addr, &adv->bdaddr); | |
6069 | hdev->wake_addr_type = adv->bdaddr_type; | |
6070 | break; | |
6071 | case HCI_EV_LE_DIRECT_ADV_REPORT: | |
6072 | bacpy(&hdev->wake_addr, &direct_adv->bdaddr); | |
6073 | hdev->wake_addr_type = direct_adv->bdaddr_type; | |
6074 | break; | |
6075 | case HCI_EV_LE_EXT_ADV_REPORT: | |
6076 | bacpy(&hdev->wake_addr, &ext_adv->bdaddr); | |
6077 | hdev->wake_addr_type = ext_adv->bdaddr_type; | |
6078 | break; | |
6079 | } | |
6080 | } | |
6081 | } else { | |
6082 | hdev->wake_reason = MGMT_WAKE_REASON_UNEXPECTED; | |
6083 | } | |
6084 | ||
6085 | unlock: | |
6086 | hci_dev_unlock(hdev); | |
6087 | } | |
6088 | ||
a9de9248 MH |
6089 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
6090 | { | |
6091 | struct hci_event_hdr *hdr = (void *) skb->data; | |
e6214487 JH |
6092 | hci_req_complete_t req_complete = NULL; |
6093 | hci_req_complete_skb_t req_complete_skb = NULL; | |
6094 | struct sk_buff *orig_skb = NULL; | |
757aa0b5 | 6095 | u8 status = 0, event = hdr->evt, req_evt = 0; |
e6214487 | 6096 | u16 opcode = HCI_OP_NOP; |
a9de9248 | 6097 | |
08bb4da9 AM |
6098 | if (!event) { |
6099 | bt_dev_warn(hdev, "Received unexpected HCI Event 00000000"); | |
6100 | goto done; | |
6101 | } | |
6102 | ||
242c0ebd | 6103 | if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->hci.req_event == event) { |
c1f23a2b | 6104 | struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; |
e6214487 JH |
6105 | opcode = __le16_to_cpu(cmd_hdr->opcode); |
6106 | hci_req_cmd_complete(hdev, opcode, status, &req_complete, | |
6107 | &req_complete_skb); | |
757aa0b5 | 6108 | req_evt = event; |
02350a72 JH |
6109 | } |
6110 | ||
e6214487 JH |
6111 | /* If it looks like we might end up having to call |
6112 | * req_complete_skb, store a pristine copy of the skb since the | |
6113 | * various handlers may modify the original one through | |
6114 | * skb_pull() calls, etc. | |
6115 | */ | |
6116 | if (req_complete_skb || event == HCI_EV_CMD_STATUS || | |
6117 | event == HCI_EV_CMD_COMPLETE) | |
6118 | orig_skb = skb_clone(skb, GFP_KERNEL); | |
6119 | ||
6120 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
6121 | ||
2f20216c APS |
6122 | /* Store wake reason if we're suspended */ |
6123 | hci_store_wake_reason(hdev, event, skb); | |
6124 | ||
a9de9248 | 6125 | switch (event) { |
1da177e4 LT |
6126 | case HCI_EV_INQUIRY_COMPLETE: |
6127 | hci_inquiry_complete_evt(hdev, skb); | |
6128 | break; | |
6129 | ||
6130 | case HCI_EV_INQUIRY_RESULT: | |
6131 | hci_inquiry_result_evt(hdev, skb); | |
6132 | break; | |
6133 | ||
a9de9248 MH |
6134 | case HCI_EV_CONN_COMPLETE: |
6135 | hci_conn_complete_evt(hdev, skb); | |
21d9e30e MH |
6136 | break; |
6137 | ||
1da177e4 LT |
6138 | case HCI_EV_CONN_REQUEST: |
6139 | hci_conn_request_evt(hdev, skb); | |
6140 | break; | |
6141 | ||
1da177e4 LT |
6142 | case HCI_EV_DISCONN_COMPLETE: |
6143 | hci_disconn_complete_evt(hdev, skb); | |
6144 | break; | |
6145 | ||
1da177e4 LT |
6146 | case HCI_EV_AUTH_COMPLETE: |
6147 | hci_auth_complete_evt(hdev, skb); | |
6148 | break; | |
6149 | ||
a9de9248 MH |
6150 | case HCI_EV_REMOTE_NAME: |
6151 | hci_remote_name_evt(hdev, skb); | |
6152 | break; | |
6153 | ||
1da177e4 LT |
6154 | case HCI_EV_ENCRYPT_CHANGE: |
6155 | hci_encrypt_change_evt(hdev, skb); | |
6156 | break; | |
6157 | ||
a9de9248 MH |
6158 | case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
6159 | hci_change_link_key_complete_evt(hdev, skb); | |
6160 | break; | |
6161 | ||
6162 | case HCI_EV_REMOTE_FEATURES: | |
6163 | hci_remote_features_evt(hdev, skb); | |
6164 | break; | |
6165 | ||
a9de9248 | 6166 | case HCI_EV_CMD_COMPLETE: |
e6214487 JH |
6167 | hci_cmd_complete_evt(hdev, skb, &opcode, &status, |
6168 | &req_complete, &req_complete_skb); | |
a9de9248 MH |
6169 | break; |
6170 | ||
6171 | case HCI_EV_CMD_STATUS: | |
e6214487 JH |
6172 | hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete, |
6173 | &req_complete_skb); | |
a9de9248 MH |
6174 | break; |
6175 | ||
24dfa343 MH |
6176 | case HCI_EV_HARDWARE_ERROR: |
6177 | hci_hardware_error_evt(hdev, skb); | |
6178 | break; | |
6179 | ||
a9de9248 MH |
6180 | case HCI_EV_ROLE_CHANGE: |
6181 | hci_role_change_evt(hdev, skb); | |
6182 | break; | |
6183 | ||
6184 | case HCI_EV_NUM_COMP_PKTS: | |
6185 | hci_num_comp_pkts_evt(hdev, skb); | |
6186 | break; | |
6187 | ||
6188 | case HCI_EV_MODE_CHANGE: | |
6189 | hci_mode_change_evt(hdev, skb); | |
1da177e4 LT |
6190 | break; |
6191 | ||
6192 | case HCI_EV_PIN_CODE_REQ: | |
6193 | hci_pin_code_request_evt(hdev, skb); | |
6194 | break; | |
6195 | ||
6196 | case HCI_EV_LINK_KEY_REQ: | |
6197 | hci_link_key_request_evt(hdev, skb); | |
6198 | break; | |
6199 | ||
6200 | case HCI_EV_LINK_KEY_NOTIFY: | |
6201 | hci_link_key_notify_evt(hdev, skb); | |
6202 | break; | |
6203 | ||
6204 | case HCI_EV_CLOCK_OFFSET: | |
6205 | hci_clock_offset_evt(hdev, skb); | |
6206 | break; | |
6207 | ||
a8746417 MH |
6208 | case HCI_EV_PKT_TYPE_CHANGE: |
6209 | hci_pkt_type_change_evt(hdev, skb); | |
6210 | break; | |
6211 | ||
85a1e930 MH |
6212 | case HCI_EV_PSCAN_REP_MODE: |
6213 | hci_pscan_rep_mode_evt(hdev, skb); | |
6214 | break; | |
6215 | ||
a9de9248 MH |
6216 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
6217 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
04837f64 MH |
6218 | break; |
6219 | ||
a9de9248 MH |
6220 | case HCI_EV_REMOTE_EXT_FEATURES: |
6221 | hci_remote_ext_features_evt(hdev, skb); | |
1da177e4 LT |
6222 | break; |
6223 | ||
a9de9248 MH |
6224 | case HCI_EV_SYNC_CONN_COMPLETE: |
6225 | hci_sync_conn_complete_evt(hdev, skb); | |
6226 | break; | |
1da177e4 | 6227 | |
a9de9248 MH |
6228 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
6229 | hci_extended_inquiry_result_evt(hdev, skb); | |
6230 | break; | |
1da177e4 | 6231 | |
1c2e0041 JH |
6232 | case HCI_EV_KEY_REFRESH_COMPLETE: |
6233 | hci_key_refresh_complete_evt(hdev, skb); | |
6234 | break; | |
6235 | ||
0493684e MH |
6236 | case HCI_EV_IO_CAPA_REQUEST: |
6237 | hci_io_capa_request_evt(hdev, skb); | |
6238 | break; | |
6239 | ||
03b555e1 JH |
6240 | case HCI_EV_IO_CAPA_REPLY: |
6241 | hci_io_capa_reply_evt(hdev, skb); | |
6242 | break; | |
6243 | ||
a5c29683 JH |
6244 | case HCI_EV_USER_CONFIRM_REQUEST: |
6245 | hci_user_confirm_request_evt(hdev, skb); | |
6246 | break; | |
6247 | ||
1143d458 BG |
6248 | case HCI_EV_USER_PASSKEY_REQUEST: |
6249 | hci_user_passkey_request_evt(hdev, skb); | |
6250 | break; | |
6251 | ||
92a25256 JH |
6252 | case HCI_EV_USER_PASSKEY_NOTIFY: |
6253 | hci_user_passkey_notify_evt(hdev, skb); | |
6254 | break; | |
6255 | ||
6256 | case HCI_EV_KEYPRESS_NOTIFY: | |
6257 | hci_keypress_notify_evt(hdev, skb); | |
6258 | break; | |
6259 | ||
0493684e MH |
6260 | case HCI_EV_SIMPLE_PAIR_COMPLETE: |
6261 | hci_simple_pair_complete_evt(hdev, skb); | |
6262 | break; | |
6263 | ||
41a96212 MH |
6264 | case HCI_EV_REMOTE_HOST_FEATURES: |
6265 | hci_remote_host_features_evt(hdev, skb); | |
6266 | break; | |
6267 | ||
fcd89c09 VT |
6268 | case HCI_EV_LE_META: |
6269 | hci_le_meta_evt(hdev, skb); | |
6270 | break; | |
6271 | ||
2763eda6 SJ |
6272 | case HCI_EV_REMOTE_OOB_DATA_REQUEST: |
6273 | hci_remote_oob_data_request_evt(hdev, skb); | |
6274 | break; | |
6275 | ||
a77a6a14 AW |
6276 | #if IS_ENABLED(CONFIG_BT_HS) |
6277 | case HCI_EV_CHANNEL_SELECTED: | |
6278 | hci_chan_selected_evt(hdev, skb); | |
6279 | break; | |
6280 | ||
d5e91192 AE |
6281 | case HCI_EV_PHY_LINK_COMPLETE: |
6282 | hci_phy_link_complete_evt(hdev, skb); | |
6283 | break; | |
6284 | ||
27695fb4 AE |
6285 | case HCI_EV_LOGICAL_LINK_COMPLETE: |
6286 | hci_loglink_complete_evt(hdev, skb); | |
6287 | break; | |
6288 | ||
606e2a10 AE |
6289 | case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: |
6290 | hci_disconn_loglink_complete_evt(hdev, skb); | |
6291 | break; | |
6292 | ||
9eef6b3a AE |
6293 | case HCI_EV_DISCONN_PHY_LINK_COMPLETE: |
6294 | hci_disconn_phylink_complete_evt(hdev, skb); | |
6295 | break; | |
a77a6a14 | 6296 | #endif |
9eef6b3a | 6297 | |
25e89e99 AE |
6298 | case HCI_EV_NUM_COMP_BLOCKS: |
6299 | hci_num_comp_blocks_evt(hdev, skb); | |
6300 | break; | |
6301 | ||
145373cb MC |
6302 | case HCI_EV_VENDOR: |
6303 | msft_vendor_evt(hdev, skb); | |
6304 | break; | |
6305 | ||
a9de9248 | 6306 | default: |
9f1db00c | 6307 | BT_DBG("%s event 0x%2.2x", hdev->name, event); |
1da177e4 LT |
6308 | break; |
6309 | } | |
6310 | ||
757aa0b5 | 6311 | if (req_complete) { |
e6214487 | 6312 | req_complete(hdev, status, opcode); |
757aa0b5 JH |
6313 | } else if (req_complete_skb) { |
6314 | if (!hci_get_cmd_complete(hdev, opcode, req_evt, orig_skb)) { | |
6315 | kfree_skb(orig_skb); | |
6316 | orig_skb = NULL; | |
6317 | } | |
e6214487 | 6318 | req_complete_skb(hdev, status, opcode, orig_skb); |
757aa0b5 | 6319 | } |
e6214487 | 6320 | |
08bb4da9 | 6321 | done: |
e6214487 | 6322 | kfree_skb(orig_skb); |
1da177e4 LT |
6323 | kfree_skb(skb); |
6324 | hdev->stat.evt_rx++; | |
6325 | } |