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 | |
e5b0ad69 APS |
398 | static void hci_cc_set_event_filter(struct hci_dev *hdev, struct sk_buff *skb) |
399 | { | |
400 | __u8 status = *((__u8 *)skb->data); | |
401 | struct hci_cp_set_event_filter *cp; | |
402 | void *sent; | |
403 | ||
404 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
405 | ||
406 | if (status) | |
407 | return; | |
408 | ||
409 | sent = hci_sent_cmd_data(hdev, HCI_OP_SET_EVENT_FLT); | |
410 | if (!sent) | |
411 | return; | |
412 | ||
413 | cp = (struct hci_cp_set_event_filter *)sent; | |
414 | ||
415 | if (cp->flt_type == HCI_FLT_CLEAR_ALL) | |
416 | hci_dev_clear_flag(hdev, HCI_EVENT_FILTER_CONFIGURED); | |
417 | else | |
418 | hci_dev_set_flag(hdev, HCI_EVENT_FILTER_CONFIGURED); | |
419 | } | |
420 | ||
a9de9248 MH |
421 | static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
422 | { | |
423 | struct hci_rp_read_class_of_dev *rp = (void *) skb->data; | |
1da177e4 | 424 | |
9f1db00c | 425 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 426 | |
a9de9248 MH |
427 | if (rp->status) |
428 | return; | |
1da177e4 | 429 | |
a9de9248 | 430 | memcpy(hdev->dev_class, rp->dev_class, 3); |
1da177e4 | 431 | |
a9de9248 | 432 | BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name, |
807deac2 | 433 | hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); |
a9de9248 | 434 | } |
1da177e4 | 435 | |
a9de9248 MH |
436 | static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) |
437 | { | |
438 | __u8 status = *((__u8 *) skb->data); | |
439 | void *sent; | |
1da177e4 | 440 | |
9f1db00c | 441 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 442 | |
a9de9248 MH |
443 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); |
444 | if (!sent) | |
445 | return; | |
1da177e4 | 446 | |
7f9a903c MH |
447 | hci_dev_lock(hdev); |
448 | ||
449 | if (status == 0) | |
450 | memcpy(hdev->dev_class, sent, 3); | |
451 | ||
d7a5a11d | 452 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
7f9a903c MH |
453 | mgmt_set_class_of_dev_complete(hdev, sent, status); |
454 | ||
455 | hci_dev_unlock(hdev); | |
a9de9248 | 456 | } |
1da177e4 | 457 | |
a9de9248 MH |
458 | static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) |
459 | { | |
460 | struct hci_rp_read_voice_setting *rp = (void *) skb->data; | |
461 | __u16 setting; | |
462 | ||
9f1db00c | 463 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 MH |
464 | |
465 | if (rp->status) | |
466 | return; | |
467 | ||
468 | setting = __le16_to_cpu(rp->voice_setting); | |
469 | ||
f383f275 | 470 | if (hdev->voice_setting == setting) |
a9de9248 MH |
471 | return; |
472 | ||
473 | hdev->voice_setting = setting; | |
474 | ||
9f1db00c | 475 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
a9de9248 | 476 | |
3c54711c | 477 | if (hdev->notify) |
a9de9248 | 478 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
a9de9248 MH |
479 | } |
480 | ||
8fc9ced3 GP |
481 | static void hci_cc_write_voice_setting(struct hci_dev *hdev, |
482 | struct sk_buff *skb) | |
a9de9248 MH |
483 | { |
484 | __u8 status = *((__u8 *) skb->data); | |
f383f275 | 485 | __u16 setting; |
a9de9248 MH |
486 | void *sent; |
487 | ||
9f1db00c | 488 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 489 | |
f383f275 MH |
490 | if (status) |
491 | return; | |
492 | ||
a9de9248 MH |
493 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING); |
494 | if (!sent) | |
495 | return; | |
1da177e4 | 496 | |
f383f275 | 497 | setting = get_unaligned_le16(sent); |
1da177e4 | 498 | |
f383f275 MH |
499 | if (hdev->voice_setting == setting) |
500 | return; | |
501 | ||
502 | hdev->voice_setting = setting; | |
1da177e4 | 503 | |
9f1db00c | 504 | BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); |
1da177e4 | 505 | |
3c54711c | 506 | if (hdev->notify) |
f383f275 | 507 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); |
1da177e4 LT |
508 | } |
509 | ||
b4cb9fb2 MH |
510 | static void hci_cc_read_num_supported_iac(struct hci_dev *hdev, |
511 | struct sk_buff *skb) | |
512 | { | |
513 | struct hci_rp_read_num_supported_iac *rp = (void *) skb->data; | |
514 | ||
515 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
516 | ||
517 | if (rp->status) | |
518 | return; | |
519 | ||
520 | hdev->num_iac = rp->num_iac; | |
521 | ||
522 | BT_DBG("%s num iac %d", hdev->name, hdev->num_iac); | |
523 | } | |
524 | ||
333140b5 MH |
525 | static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) |
526 | { | |
527 | __u8 status = *((__u8 *) skb->data); | |
5ed8eb2f | 528 | struct hci_cp_write_ssp_mode *sent; |
333140b5 | 529 | |
9f1db00c | 530 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
333140b5 | 531 | |
333140b5 MH |
532 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); |
533 | if (!sent) | |
534 | return; | |
535 | ||
5c1a4c8f JK |
536 | hci_dev_lock(hdev); |
537 | ||
5ed8eb2f JH |
538 | if (!status) { |
539 | if (sent->mode) | |
cad718ed | 540 | hdev->features[1][0] |= LMP_HOST_SSP; |
5ed8eb2f | 541 | else |
cad718ed | 542 | hdev->features[1][0] &= ~LMP_HOST_SSP; |
5ed8eb2f JH |
543 | } |
544 | ||
d7a5a11d | 545 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
5ed8eb2f | 546 | mgmt_ssp_enable_complete(hdev, sent->mode, status); |
c0ecddc2 | 547 | else if (!status) { |
5ed8eb2f | 548 | if (sent->mode) |
a1536da2 | 549 | hci_dev_set_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 550 | else |
a358dc11 | 551 | hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 552 | } |
5c1a4c8f JK |
553 | |
554 | hci_dev_unlock(hdev); | |
333140b5 MH |
555 | } |
556 | ||
eac83dc6 MH |
557 | static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb) |
558 | { | |
559 | u8 status = *((u8 *) skb->data); | |
560 | struct hci_cp_write_sc_support *sent; | |
561 | ||
562 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
563 | ||
564 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT); | |
565 | if (!sent) | |
566 | return; | |
567 | ||
5c1a4c8f JK |
568 | hci_dev_lock(hdev); |
569 | ||
eac83dc6 MH |
570 | if (!status) { |
571 | if (sent->support) | |
572 | hdev->features[1][0] |= LMP_HOST_SC; | |
573 | else | |
574 | hdev->features[1][0] &= ~LMP_HOST_SC; | |
575 | } | |
576 | ||
d7a5a11d | 577 | if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) { |
eac83dc6 | 578 | if (sent->support) |
a1536da2 | 579 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 580 | else |
a358dc11 | 581 | hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
eac83dc6 | 582 | } |
5c1a4c8f JK |
583 | |
584 | hci_dev_unlock(hdev); | |
eac83dc6 MH |
585 | } |
586 | ||
a9de9248 MH |
587 | static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) |
588 | { | |
589 | struct hci_rp_read_local_version *rp = (void *) skb->data; | |
1143e5a6 | 590 | |
9f1db00c | 591 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143e5a6 | 592 | |
a9de9248 | 593 | if (rp->status) |
42c6b129 | 594 | return; |
1143e5a6 | 595 | |
d7a5a11d MH |
596 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
597 | hci_dev_test_flag(hdev, HCI_CONFIG)) { | |
0d5551f5 MH |
598 | hdev->hci_ver = rp->hci_ver; |
599 | hdev->hci_rev = __le16_to_cpu(rp->hci_rev); | |
600 | hdev->lmp_ver = rp->lmp_ver; | |
601 | hdev->manufacturer = __le16_to_cpu(rp->manufacturer); | |
602 | hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); | |
603 | } | |
d5859e22 JH |
604 | } |
605 | ||
8fc9ced3 GP |
606 | static void hci_cc_read_local_commands(struct hci_dev *hdev, |
607 | struct sk_buff *skb) | |
a9de9248 MH |
608 | { |
609 | struct hci_rp_read_local_commands *rp = (void *) skb->data; | |
1da177e4 | 610 | |
9f1db00c | 611 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 612 | |
6a070e6e MH |
613 | if (rp->status) |
614 | return; | |
615 | ||
d7a5a11d MH |
616 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
617 | hci_dev_test_flag(hdev, HCI_CONFIG)) | |
2177bab5 | 618 | memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); |
a9de9248 | 619 | } |
1da177e4 | 620 | |
302975cb SRK |
621 | static void hci_cc_read_auth_payload_timeout(struct hci_dev *hdev, |
622 | struct sk_buff *skb) | |
623 | { | |
624 | struct hci_rp_read_auth_payload_to *rp = (void *)skb->data; | |
625 | struct hci_conn *conn; | |
626 | ||
627 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
628 | ||
629 | if (rp->status) | |
630 | return; | |
631 | ||
632 | hci_dev_lock(hdev); | |
633 | ||
634 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
635 | if (conn) | |
636 | conn->auth_payload_timeout = __le16_to_cpu(rp->timeout); | |
637 | ||
638 | hci_dev_unlock(hdev); | |
639 | } | |
640 | ||
641 | static void hci_cc_write_auth_payload_timeout(struct hci_dev *hdev, | |
642 | struct sk_buff *skb) | |
643 | { | |
644 | struct hci_rp_write_auth_payload_to *rp = (void *)skb->data; | |
645 | struct hci_conn *conn; | |
646 | void *sent; | |
647 | ||
648 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
649 | ||
650 | if (rp->status) | |
651 | return; | |
652 | ||
653 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO); | |
654 | if (!sent) | |
655 | return; | |
656 | ||
657 | hci_dev_lock(hdev); | |
658 | ||
659 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
660 | if (conn) | |
661 | conn->auth_payload_timeout = get_unaligned_le16(sent + 2); | |
662 | ||
663 | hci_dev_unlock(hdev); | |
664 | } | |
665 | ||
8fc9ced3 GP |
666 | static void hci_cc_read_local_features(struct hci_dev *hdev, |
667 | struct sk_buff *skb) | |
a9de9248 MH |
668 | { |
669 | struct hci_rp_read_local_features *rp = (void *) skb->data; | |
5b7f9909 | 670 | |
9f1db00c | 671 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 672 | |
a9de9248 MH |
673 | if (rp->status) |
674 | return; | |
5b7f9909 | 675 | |
a9de9248 | 676 | memcpy(hdev->features, rp->features, 8); |
5b7f9909 | 677 | |
a9de9248 MH |
678 | /* Adjust default settings according to features |
679 | * supported by device. */ | |
1da177e4 | 680 | |
cad718ed | 681 | if (hdev->features[0][0] & LMP_3SLOT) |
a9de9248 | 682 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); |
1da177e4 | 683 | |
cad718ed | 684 | if (hdev->features[0][0] & LMP_5SLOT) |
a9de9248 | 685 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); |
1da177e4 | 686 | |
cad718ed | 687 | if (hdev->features[0][1] & LMP_HV2) { |
a9de9248 MH |
688 | hdev->pkt_type |= (HCI_HV2); |
689 | hdev->esco_type |= (ESCO_HV2); | |
690 | } | |
1da177e4 | 691 | |
cad718ed | 692 | if (hdev->features[0][1] & LMP_HV3) { |
a9de9248 MH |
693 | hdev->pkt_type |= (HCI_HV3); |
694 | hdev->esco_type |= (ESCO_HV3); | |
695 | } | |
1da177e4 | 696 | |
45db810f | 697 | if (lmp_esco_capable(hdev)) |
a9de9248 | 698 | hdev->esco_type |= (ESCO_EV3); |
da1f5198 | 699 | |
cad718ed | 700 | if (hdev->features[0][4] & LMP_EV4) |
a9de9248 | 701 | hdev->esco_type |= (ESCO_EV4); |
da1f5198 | 702 | |
cad718ed | 703 | if (hdev->features[0][4] & LMP_EV5) |
a9de9248 | 704 | hdev->esco_type |= (ESCO_EV5); |
1da177e4 | 705 | |
cad718ed | 706 | if (hdev->features[0][5] & LMP_EDR_ESCO_2M) |
efc7688b MH |
707 | hdev->esco_type |= (ESCO_2EV3); |
708 | ||
cad718ed | 709 | if (hdev->features[0][5] & LMP_EDR_ESCO_3M) |
efc7688b MH |
710 | hdev->esco_type |= (ESCO_3EV3); |
711 | ||
cad718ed | 712 | if (hdev->features[0][5] & LMP_EDR_3S_ESCO) |
efc7688b | 713 | hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5); |
a9de9248 | 714 | } |
1da177e4 | 715 | |
971e3a4b | 716 | static void hci_cc_read_local_ext_features(struct hci_dev *hdev, |
807deac2 | 717 | struct sk_buff *skb) |
971e3a4b AG |
718 | { |
719 | struct hci_rp_read_local_ext_features *rp = (void *) skb->data; | |
720 | ||
9f1db00c | 721 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
971e3a4b AG |
722 | |
723 | if (rp->status) | |
42c6b129 | 724 | return; |
971e3a4b | 725 | |
57af75a8 MH |
726 | if (hdev->max_page < rp->max_page) |
727 | hdev->max_page = rp->max_page; | |
d2c5d77f | 728 | |
cad718ed JH |
729 | if (rp->page < HCI_MAX_PAGES) |
730 | memcpy(hdev->features[rp->page], rp->features, 8); | |
971e3a4b AG |
731 | } |
732 | ||
1e89cffb | 733 | static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, |
807deac2 | 734 | struct sk_buff *skb) |
1e89cffb AE |
735 | { |
736 | struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; | |
737 | ||
9f1db00c | 738 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1e89cffb | 739 | |
45296acd MH |
740 | if (rp->status) |
741 | return; | |
742 | ||
743 | hdev->flow_ctl_mode = rp->mode; | |
1e89cffb AE |
744 | } |
745 | ||
a9de9248 MH |
746 | static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) |
747 | { | |
748 | struct hci_rp_read_buffer_size *rp = (void *) skb->data; | |
1da177e4 | 749 | |
9f1db00c | 750 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1da177e4 | 751 | |
a9de9248 MH |
752 | if (rp->status) |
753 | return; | |
1da177e4 | 754 | |
a9de9248 MH |
755 | hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu); |
756 | hdev->sco_mtu = rp->sco_mtu; | |
757 | hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt); | |
758 | hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt); | |
759 | ||
760 | if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) { | |
761 | hdev->sco_mtu = 64; | |
762 | hdev->sco_pkts = 8; | |
1da177e4 | 763 | } |
a9de9248 MH |
764 | |
765 | hdev->acl_cnt = hdev->acl_pkts; | |
766 | hdev->sco_cnt = hdev->sco_pkts; | |
767 | ||
807deac2 GP |
768 | BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu, |
769 | hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts); | |
a9de9248 MH |
770 | } |
771 | ||
772 | static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) | |
773 | { | |
774 | struct hci_rp_read_bd_addr *rp = (void *) skb->data; | |
775 | ||
9f1db00c | 776 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a9de9248 | 777 | |
e30d3f5f MH |
778 | if (rp->status) |
779 | return; | |
780 | ||
781 | if (test_bit(HCI_INIT, &hdev->flags)) | |
a9de9248 | 782 | bacpy(&hdev->bdaddr, &rp->bdaddr); |
e30d3f5f | 783 | |
d7a5a11d | 784 | if (hci_dev_test_flag(hdev, HCI_SETUP)) |
e30d3f5f | 785 | bacpy(&hdev->setup_addr, &rp->bdaddr); |
23bb5763 JH |
786 | } |
787 | ||
a4790360 MH |
788 | static void hci_cc_read_local_pairing_opts(struct hci_dev *hdev, |
789 | struct sk_buff *skb) | |
790 | { | |
791 | struct hci_rp_read_local_pairing_opts *rp = (void *) skb->data; | |
792 | ||
793 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
794 | ||
795 | if (rp->status) | |
796 | return; | |
797 | ||
798 | if (hci_dev_test_flag(hdev, HCI_SETUP) || | |
799 | hci_dev_test_flag(hdev, HCI_CONFIG)) { | |
800 | hdev->pairing_opts = rp->pairing_opts; | |
801 | hdev->max_enc_key_size = rp->max_key_size; | |
802 | } | |
803 | } | |
804 | ||
f332ec66 JH |
805 | static void hci_cc_read_page_scan_activity(struct hci_dev *hdev, |
806 | struct sk_buff *skb) | |
807 | { | |
808 | struct hci_rp_read_page_scan_activity *rp = (void *) skb->data; | |
809 | ||
810 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
811 | ||
45296acd MH |
812 | if (rp->status) |
813 | return; | |
814 | ||
815 | if (test_bit(HCI_INIT, &hdev->flags)) { | |
f332ec66 JH |
816 | hdev->page_scan_interval = __le16_to_cpu(rp->interval); |
817 | hdev->page_scan_window = __le16_to_cpu(rp->window); | |
818 | } | |
819 | } | |
820 | ||
4a3ee763 JH |
821 | static void hci_cc_write_page_scan_activity(struct hci_dev *hdev, |
822 | struct sk_buff *skb) | |
823 | { | |
824 | u8 status = *((u8 *) skb->data); | |
825 | struct hci_cp_write_page_scan_activity *sent; | |
826 | ||
827 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
828 | ||
829 | if (status) | |
830 | return; | |
831 | ||
832 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY); | |
833 | if (!sent) | |
834 | return; | |
835 | ||
836 | hdev->page_scan_interval = __le16_to_cpu(sent->interval); | |
837 | hdev->page_scan_window = __le16_to_cpu(sent->window); | |
838 | } | |
839 | ||
f332ec66 JH |
840 | static void hci_cc_read_page_scan_type(struct hci_dev *hdev, |
841 | struct sk_buff *skb) | |
842 | { | |
843 | struct hci_rp_read_page_scan_type *rp = (void *) skb->data; | |
844 | ||
845 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
846 | ||
45296acd MH |
847 | if (rp->status) |
848 | return; | |
849 | ||
850 | if (test_bit(HCI_INIT, &hdev->flags)) | |
f332ec66 JH |
851 | hdev->page_scan_type = rp->type; |
852 | } | |
853 | ||
4a3ee763 JH |
854 | static void hci_cc_write_page_scan_type(struct hci_dev *hdev, |
855 | struct sk_buff *skb) | |
856 | { | |
857 | u8 status = *((u8 *) skb->data); | |
858 | u8 *type; | |
859 | ||
860 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
861 | ||
862 | if (status) | |
863 | return; | |
864 | ||
865 | type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE); | |
866 | if (type) | |
867 | hdev->page_scan_type = *type; | |
868 | } | |
869 | ||
350ee4cf | 870 | static void hci_cc_read_data_block_size(struct hci_dev *hdev, |
807deac2 | 871 | struct sk_buff *skb) |
350ee4cf AE |
872 | { |
873 | struct hci_rp_read_data_block_size *rp = (void *) skb->data; | |
874 | ||
9f1db00c | 875 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
350ee4cf AE |
876 | |
877 | if (rp->status) | |
878 | return; | |
879 | ||
880 | hdev->block_mtu = __le16_to_cpu(rp->max_acl_len); | |
881 | hdev->block_len = __le16_to_cpu(rp->block_len); | |
882 | hdev->num_blocks = __le16_to_cpu(rp->num_blocks); | |
883 | ||
884 | hdev->block_cnt = hdev->num_blocks; | |
885 | ||
886 | BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, | |
807deac2 | 887 | hdev->block_cnt, hdev->block_len); |
350ee4cf AE |
888 | } |
889 | ||
33f35721 JH |
890 | static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb) |
891 | { | |
892 | struct hci_rp_read_clock *rp = (void *) skb->data; | |
893 | struct hci_cp_read_clock *cp; | |
894 | struct hci_conn *conn; | |
895 | ||
896 | BT_DBG("%s", hdev->name); | |
897 | ||
898 | if (skb->len < sizeof(*rp)) | |
899 | return; | |
900 | ||
901 | if (rp->status) | |
902 | return; | |
903 | ||
904 | hci_dev_lock(hdev); | |
905 | ||
906 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
907 | if (!cp) | |
908 | goto unlock; | |
909 | ||
910 | if (cp->which == 0x00) { | |
911 | hdev->clock = le32_to_cpu(rp->clock); | |
912 | goto unlock; | |
913 | } | |
914 | ||
915 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
916 | if (conn) { | |
917 | conn->clock = le32_to_cpu(rp->clock); | |
918 | conn->clock_accuracy = le16_to_cpu(rp->accuracy); | |
919 | } | |
920 | ||
921 | unlock: | |
922 | hci_dev_unlock(hdev); | |
923 | } | |
924 | ||
928abaa7 | 925 | static void hci_cc_read_local_amp_info(struct hci_dev *hdev, |
807deac2 | 926 | struct sk_buff *skb) |
928abaa7 AE |
927 | { |
928 | struct hci_rp_read_local_amp_info *rp = (void *) skb->data; | |
929 | ||
9f1db00c | 930 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
928abaa7 AE |
931 | |
932 | if (rp->status) | |
83927882 | 933 | return; |
928abaa7 AE |
934 | |
935 | hdev->amp_status = rp->amp_status; | |
936 | hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); | |
937 | hdev->amp_max_bw = __le32_to_cpu(rp->max_bw); | |
938 | hdev->amp_min_latency = __le32_to_cpu(rp->min_latency); | |
939 | hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu); | |
940 | hdev->amp_type = rp->amp_type; | |
941 | hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap); | |
942 | hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size); | |
943 | hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); | |
944 | hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); | |
928abaa7 AE |
945 | } |
946 | ||
d5859e22 | 947 | static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, |
807deac2 | 948 | struct sk_buff *skb) |
d5859e22 | 949 | { |
91c4e9b1 | 950 | struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; |
d5859e22 | 951 | |
9f1db00c | 952 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
91c4e9b1 | 953 | |
45296acd MH |
954 | if (rp->status) |
955 | return; | |
956 | ||
957 | hdev->inq_tx_power = rp->tx_power; | |
d5859e22 JH |
958 | } |
959 | ||
00bce3fb AM |
960 | static void hci_cc_read_def_err_data_reporting(struct hci_dev *hdev, |
961 | struct sk_buff *skb) | |
962 | { | |
963 | struct hci_rp_read_def_err_data_reporting *rp = (void *)skb->data; | |
964 | ||
965 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
966 | ||
967 | if (rp->status) | |
968 | return; | |
969 | ||
970 | hdev->err_data_reporting = rp->err_data_reporting; | |
971 | } | |
972 | ||
973 | static void hci_cc_write_def_err_data_reporting(struct hci_dev *hdev, | |
974 | struct sk_buff *skb) | |
975 | { | |
976 | __u8 status = *((__u8 *)skb->data); | |
977 | struct hci_cp_write_def_err_data_reporting *cp; | |
978 | ||
979 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
980 | ||
981 | if (status) | |
982 | return; | |
983 | ||
984 | cp = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_ERR_DATA_REPORTING); | |
985 | if (!cp) | |
986 | return; | |
987 | ||
988 | hdev->err_data_reporting = cp->err_data_reporting; | |
989 | } | |
990 | ||
980e1a53 JH |
991 | static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) |
992 | { | |
993 | struct hci_rp_pin_code_reply *rp = (void *) skb->data; | |
994 | struct hci_cp_pin_code_reply *cp; | |
995 | struct hci_conn *conn; | |
996 | ||
9f1db00c | 997 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 998 | |
56e5cb86 JH |
999 | hci_dev_lock(hdev); |
1000 | ||
d7a5a11d | 1001 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 1002 | mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status); |
980e1a53 | 1003 | |
fa1bd918 | 1004 | if (rp->status) |
56e5cb86 | 1005 | goto unlock; |
980e1a53 JH |
1006 | |
1007 | cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY); | |
1008 | if (!cp) | |
56e5cb86 | 1009 | goto unlock; |
980e1a53 JH |
1010 | |
1011 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
1012 | if (conn) | |
1013 | conn->pin_length = cp->pin_len; | |
56e5cb86 JH |
1014 | |
1015 | unlock: | |
1016 | hci_dev_unlock(hdev); | |
980e1a53 JH |
1017 | } |
1018 | ||
1019 | static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) | |
1020 | { | |
1021 | struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; | |
1022 | ||
9f1db00c | 1023 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
980e1a53 | 1024 | |
56e5cb86 JH |
1025 | hci_dev_lock(hdev); |
1026 | ||
d7a5a11d | 1027 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 1028 | mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr, |
807deac2 | 1029 | rp->status); |
56e5cb86 JH |
1030 | |
1031 | hci_dev_unlock(hdev); | |
980e1a53 | 1032 | } |
56e5cb86 | 1033 | |
6ed58ec5 VT |
1034 | static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, |
1035 | struct sk_buff *skb) | |
1036 | { | |
1037 | struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; | |
1038 | ||
9f1db00c | 1039 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
6ed58ec5 VT |
1040 | |
1041 | if (rp->status) | |
1042 | return; | |
1043 | ||
1044 | hdev->le_mtu = __le16_to_cpu(rp->le_mtu); | |
1045 | hdev->le_pkts = rp->le_max_pkt; | |
1046 | ||
1047 | hdev->le_cnt = hdev->le_pkts; | |
1048 | ||
1049 | BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); | |
6ed58ec5 | 1050 | } |
980e1a53 | 1051 | |
60e77321 JH |
1052 | static void hci_cc_le_read_local_features(struct hci_dev *hdev, |
1053 | struct sk_buff *skb) | |
1054 | { | |
1055 | struct hci_rp_le_read_local_features *rp = (void *) skb->data; | |
1056 | ||
1057 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1058 | ||
45296acd MH |
1059 | if (rp->status) |
1060 | return; | |
1061 | ||
1062 | memcpy(hdev->le_features, rp->features, 8); | |
60e77321 JH |
1063 | } |
1064 | ||
8fa19098 JH |
1065 | static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, |
1066 | struct sk_buff *skb) | |
1067 | { | |
1068 | struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; | |
1069 | ||
1070 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1071 | ||
45296acd MH |
1072 | if (rp->status) |
1073 | return; | |
1074 | ||
1075 | hdev->adv_tx_power = rp->tx_power; | |
8fa19098 JH |
1076 | } |
1077 | ||
a5c29683 JH |
1078 | static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) |
1079 | { | |
1080 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1081 | ||
9f1db00c | 1082 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 1083 | |
56e5cb86 JH |
1084 | hci_dev_lock(hdev); |
1085 | ||
d7a5a11d | 1086 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
04124681 GP |
1087 | mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0, |
1088 | rp->status); | |
56e5cb86 JH |
1089 | |
1090 | hci_dev_unlock(hdev); | |
a5c29683 JH |
1091 | } |
1092 | ||
1093 | static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, | |
807deac2 | 1094 | struct sk_buff *skb) |
a5c29683 JH |
1095 | { |
1096 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1097 | ||
9f1db00c | 1098 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
a5c29683 | 1099 | |
56e5cb86 JH |
1100 | hci_dev_lock(hdev); |
1101 | ||
d7a5a11d | 1102 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
744cf19e | 1103 | mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1104 | ACL_LINK, 0, rp->status); |
56e5cb86 JH |
1105 | |
1106 | hci_dev_unlock(hdev); | |
a5c29683 JH |
1107 | } |
1108 | ||
1143d458 BG |
1109 | static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) |
1110 | { | |
1111 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1112 | ||
9f1db00c | 1113 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
1114 | |
1115 | hci_dev_lock(hdev); | |
1116 | ||
d7a5a11d | 1117 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 1118 | mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK, |
04124681 | 1119 | 0, rp->status); |
1143d458 BG |
1120 | |
1121 | hci_dev_unlock(hdev); | |
1122 | } | |
1123 | ||
1124 | static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, | |
807deac2 | 1125 | struct sk_buff *skb) |
1143d458 BG |
1126 | { |
1127 | struct hci_rp_user_confirm_reply *rp = (void *) skb->data; | |
1128 | ||
9f1db00c | 1129 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
1143d458 BG |
1130 | |
1131 | hci_dev_lock(hdev); | |
1132 | ||
d7a5a11d | 1133 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
1143d458 | 1134 | mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr, |
04124681 | 1135 | ACL_LINK, 0, rp->status); |
1143d458 BG |
1136 | |
1137 | hci_dev_unlock(hdev); | |
1138 | } | |
1139 | ||
4d2d2796 MH |
1140 | static void hci_cc_read_local_oob_data(struct hci_dev *hdev, |
1141 | struct sk_buff *skb) | |
c35938b2 SJ |
1142 | { |
1143 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; | |
1144 | ||
9f1db00c | 1145 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); |
4d2d2796 MH |
1146 | } |
1147 | ||
1148 | static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev, | |
1149 | struct sk_buff *skb) | |
1150 | { | |
1151 | struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; | |
1152 | ||
1153 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
c35938b2 SJ |
1154 | } |
1155 | ||
7a4cd51d MH |
1156 | static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb) |
1157 | { | |
1158 | __u8 status = *((__u8 *) skb->data); | |
1159 | bdaddr_t *sent; | |
1160 | ||
1161 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1162 | ||
45296acd MH |
1163 | if (status) |
1164 | return; | |
1165 | ||
7a4cd51d MH |
1166 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR); |
1167 | if (!sent) | |
1168 | return; | |
1169 | ||
1170 | hci_dev_lock(hdev); | |
1171 | ||
45296acd | 1172 | bacpy(&hdev->random_addr, sent); |
7a4cd51d MH |
1173 | |
1174 | hci_dev_unlock(hdev); | |
1175 | } | |
1176 | ||
0314f286 JK |
1177 | static void hci_cc_le_set_default_phy(struct hci_dev *hdev, struct sk_buff *skb) |
1178 | { | |
1179 | __u8 status = *((__u8 *) skb->data); | |
1180 | struct hci_cp_le_set_default_phy *cp; | |
1181 | ||
1182 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1183 | ||
1184 | if (status) | |
1185 | return; | |
1186 | ||
1187 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_DEFAULT_PHY); | |
1188 | if (!cp) | |
1189 | return; | |
1190 | ||
1191 | hci_dev_lock(hdev); | |
1192 | ||
1193 | hdev->le_tx_def_phys = cp->tx_phys; | |
1194 | hdev->le_rx_def_phys = cp->rx_phys; | |
1195 | ||
1196 | hci_dev_unlock(hdev); | |
1197 | } | |
1198 | ||
a73c046a JK |
1199 | static void hci_cc_le_set_adv_set_random_addr(struct hci_dev *hdev, |
1200 | struct sk_buff *skb) | |
1201 | { | |
1202 | __u8 status = *((__u8 *) skb->data); | |
1203 | struct hci_cp_le_set_adv_set_rand_addr *cp; | |
1204 | struct adv_info *adv_instance; | |
1205 | ||
1206 | if (status) | |
1207 | return; | |
1208 | ||
1209 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_SET_RAND_ADDR); | |
1210 | if (!cp) | |
1211 | return; | |
1212 | ||
1213 | hci_dev_lock(hdev); | |
1214 | ||
25e70886 | 1215 | if (!cp->handle) { |
a73c046a JK |
1216 | /* Store in hdev for instance 0 (Set adv and Directed advs) */ |
1217 | bacpy(&hdev->random_addr, &cp->bdaddr); | |
1218 | } else { | |
25e70886 | 1219 | adv_instance = hci_find_adv_instance(hdev, cp->handle); |
a73c046a JK |
1220 | if (adv_instance) |
1221 | bacpy(&adv_instance->random_addr, &cp->bdaddr); | |
1222 | } | |
1223 | ||
1224 | hci_dev_unlock(hdev); | |
1225 | } | |
1226 | ||
7c395ea5 DW |
1227 | static void hci_cc_le_read_transmit_power(struct hci_dev *hdev, |
1228 | struct sk_buff *skb) | |
1229 | { | |
1230 | struct hci_rp_le_read_transmit_power *rp = (void *)skb->data; | |
1231 | ||
1232 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1233 | ||
1234 | if (rp->status) | |
1235 | return; | |
1236 | ||
1237 | hdev->min_le_tx_power = rp->min_le_tx_power; | |
1238 | hdev->max_le_tx_power = rp->max_le_tx_power; | |
1239 | } | |
1240 | ||
c1d5dc4a JH |
1241 | static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) |
1242 | { | |
1243 | __u8 *sent, status = *((__u8 *) skb->data); | |
1244 | ||
1245 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1246 | ||
45296acd | 1247 | if (status) |
c1d5dc4a JH |
1248 | return; |
1249 | ||
45296acd MH |
1250 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); |
1251 | if (!sent) | |
3c857757 JH |
1252 | return; |
1253 | ||
c1d5dc4a JH |
1254 | hci_dev_lock(hdev); |
1255 | ||
49c922bb | 1256 | /* If we're doing connection initiation as peripheral. Set a |
3c857757 JH |
1257 | * timeout in case something goes wrong. |
1258 | */ | |
1259 | if (*sent) { | |
1260 | struct hci_conn *conn; | |
1261 | ||
a1536da2 | 1262 | hci_dev_set_flag(hdev, HCI_LE_ADV); |
66c417c1 | 1263 | |
e7d9ab73 | 1264 | conn = hci_lookup_le_connect(hdev); |
3c857757 JH |
1265 | if (conn) |
1266 | queue_delayed_work(hdev->workqueue, | |
1267 | &conn->le_conn_timeout, | |
09ae260b | 1268 | conn->conn_timeout); |
66c417c1 | 1269 | } else { |
a358dc11 | 1270 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
3c857757 JH |
1271 | } |
1272 | ||
04b4edcb | 1273 | hci_dev_unlock(hdev); |
c1d5dc4a JH |
1274 | } |
1275 | ||
de181e88 JK |
1276 | static void hci_cc_le_set_ext_adv_enable(struct hci_dev *hdev, |
1277 | struct sk_buff *skb) | |
1278 | { | |
1279 | struct hci_cp_le_set_ext_adv_enable *cp; | |
de181e88 JK |
1280 | __u8 status = *((__u8 *) skb->data); |
1281 | ||
1282 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1283 | ||
1284 | if (status) | |
1285 | return; | |
1286 | ||
1287 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_ENABLE); | |
1288 | if (!cp) | |
1289 | return; | |
1290 | ||
de181e88 JK |
1291 | hci_dev_lock(hdev); |
1292 | ||
1293 | if (cp->enable) { | |
1294 | struct hci_conn *conn; | |
1295 | ||
1296 | hci_dev_set_flag(hdev, HCI_LE_ADV); | |
1297 | ||
1298 | conn = hci_lookup_le_connect(hdev); | |
1299 | if (conn) | |
1300 | queue_delayed_work(hdev->workqueue, | |
1301 | &conn->le_conn_timeout, | |
1302 | conn->conn_timeout); | |
45b7749f JK |
1303 | } else { |
1304 | hci_dev_clear_flag(hdev, HCI_LE_ADV); | |
de181e88 JK |
1305 | } |
1306 | ||
1307 | hci_dev_unlock(hdev); | |
1308 | } | |
1309 | ||
533553f8 MH |
1310 | static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) |
1311 | { | |
1312 | struct hci_cp_le_set_scan_param *cp; | |
1313 | __u8 status = *((__u8 *) skb->data); | |
1314 | ||
1315 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1316 | ||
45296acd MH |
1317 | if (status) |
1318 | return; | |
1319 | ||
533553f8 MH |
1320 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM); |
1321 | if (!cp) | |
1322 | return; | |
1323 | ||
1324 | hci_dev_lock(hdev); | |
1325 | ||
45296acd | 1326 | hdev->le_scan_type = cp->type; |
533553f8 MH |
1327 | |
1328 | hci_dev_unlock(hdev); | |
1329 | } | |
1330 | ||
a2344b9e JK |
1331 | static void hci_cc_le_set_ext_scan_param(struct hci_dev *hdev, |
1332 | struct sk_buff *skb) | |
1333 | { | |
1334 | struct hci_cp_le_set_ext_scan_params *cp; | |
1335 | __u8 status = *((__u8 *) skb->data); | |
1336 | struct hci_cp_le_scan_phy_params *phy_param; | |
1337 | ||
1338 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1339 | ||
1340 | if (status) | |
1341 | return; | |
1342 | ||
1343 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_SCAN_PARAMS); | |
1344 | if (!cp) | |
1345 | return; | |
1346 | ||
1347 | phy_param = (void *)cp->data; | |
1348 | ||
1349 | hci_dev_lock(hdev); | |
1350 | ||
1351 | hdev->le_scan_type = phy_param->type; | |
1352 | ||
1353 | hci_dev_unlock(hdev); | |
1354 | } | |
1355 | ||
b9a6328f JH |
1356 | static bool has_pending_adv_report(struct hci_dev *hdev) |
1357 | { | |
1358 | struct discovery_state *d = &hdev->discovery; | |
1359 | ||
1360 | return bacmp(&d->last_adv_addr, BDADDR_ANY); | |
1361 | } | |
1362 | ||
1363 | static void clear_pending_adv_report(struct hci_dev *hdev) | |
1364 | { | |
1365 | struct discovery_state *d = &hdev->discovery; | |
1366 | ||
1367 | bacpy(&d->last_adv_addr, BDADDR_ANY); | |
1368 | d->last_adv_data_len = 0; | |
1369 | } | |
1370 | ||
1371 | static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr, | |
c70a7e4c MH |
1372 | u8 bdaddr_type, s8 rssi, u32 flags, |
1373 | u8 *data, u8 len) | |
b9a6328f JH |
1374 | { |
1375 | struct discovery_state *d = &hdev->discovery; | |
1376 | ||
a2ec905d AM |
1377 | if (len > HCI_MAX_AD_LENGTH) |
1378 | return; | |
1379 | ||
b9a6328f JH |
1380 | bacpy(&d->last_adv_addr, bdaddr); |
1381 | d->last_adv_addr_type = bdaddr_type; | |
ff5cd29f | 1382 | d->last_adv_rssi = rssi; |
c70a7e4c | 1383 | d->last_adv_flags = flags; |
b9a6328f JH |
1384 | memcpy(d->last_adv_data, data, len); |
1385 | d->last_adv_data_len = len; | |
1386 | } | |
1387 | ||
3baef810 | 1388 | static void le_set_scan_enable_complete(struct hci_dev *hdev, u8 enable) |
eb9d91f5 | 1389 | { |
5c1a4c8f JK |
1390 | hci_dev_lock(hdev); |
1391 | ||
3baef810 | 1392 | switch (enable) { |
76a388be | 1393 | case LE_SCAN_ENABLE: |
a1536da2 | 1394 | hci_dev_set_flag(hdev, HCI_LE_SCAN); |
b9a6328f JH |
1395 | if (hdev->le_scan_type == LE_SCAN_ACTIVE) |
1396 | clear_pending_adv_report(hdev); | |
68a8aea4 AE |
1397 | break; |
1398 | ||
76a388be | 1399 | case LE_SCAN_DISABLE: |
b9a6328f JH |
1400 | /* We do this here instead of when setting DISCOVERY_STOPPED |
1401 | * since the latter would potentially require waiting for | |
1402 | * inquiry to stop too. | |
1403 | */ | |
1404 | if (has_pending_adv_report(hdev)) { | |
1405 | struct discovery_state *d = &hdev->discovery; | |
1406 | ||
1407 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ab0aa433 | 1408 | d->last_adv_addr_type, NULL, |
c70a7e4c | 1409 | d->last_adv_rssi, d->last_adv_flags, |
ab0aa433 | 1410 | d->last_adv_data, |
b9a6328f JH |
1411 | d->last_adv_data_len, NULL, 0); |
1412 | } | |
1413 | ||
317ac8cb JH |
1414 | /* Cancel this timer so that we don't try to disable scanning |
1415 | * when it's already disabled. | |
1416 | */ | |
1417 | cancel_delayed_work(&hdev->le_scan_disable); | |
1418 | ||
a358dc11 | 1419 | hci_dev_clear_flag(hdev, HCI_LE_SCAN); |
e8bb6b97 | 1420 | |
81ad6fd9 JH |
1421 | /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we |
1422 | * interrupted scanning due to a connect request. Mark | |
e8bb6b97 JH |
1423 | * therefore discovery as stopped. If this was not |
1424 | * because of a connect request advertising might have | |
1425 | * been disabled because of active scanning, so | |
1426 | * re-enable it again if necessary. | |
81ad6fd9 | 1427 | */ |
a69d8927 | 1428 | if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED)) |
81ad6fd9 | 1429 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
d7a5a11d | 1430 | else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) && |
34722277 | 1431 | hdev->discovery.state == DISCOVERY_FINDING) |
f2252570 | 1432 | hci_req_reenable_advertising(hdev); |
e8bb6b97 | 1433 | |
68a8aea4 AE |
1434 | break; |
1435 | ||
1436 | default: | |
2064ee33 | 1437 | bt_dev_err(hdev, "use of reserved LE_Scan_Enable param %d", |
3baef810 | 1438 | enable); |
68a8aea4 | 1439 | break; |
35815085 | 1440 | } |
5c1a4c8f JK |
1441 | |
1442 | hci_dev_unlock(hdev); | |
eb9d91f5 AG |
1443 | } |
1444 | ||
3baef810 JK |
1445 | static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, |
1446 | struct sk_buff *skb) | |
1447 | { | |
1448 | struct hci_cp_le_set_scan_enable *cp; | |
1449 | __u8 status = *((__u8 *) skb->data); | |
1450 | ||
1451 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1452 | ||
1453 | if (status) | |
1454 | return; | |
1455 | ||
1456 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); | |
1457 | if (!cp) | |
1458 | return; | |
1459 | ||
1460 | le_set_scan_enable_complete(hdev, cp->enable); | |
1461 | } | |
1462 | ||
a2344b9e JK |
1463 | static void hci_cc_le_set_ext_scan_enable(struct hci_dev *hdev, |
1464 | struct sk_buff *skb) | |
1465 | { | |
1466 | struct hci_cp_le_set_ext_scan_enable *cp; | |
1467 | __u8 status = *((__u8 *) skb->data); | |
1468 | ||
1469 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1470 | ||
1471 | if (status) | |
1472 | return; | |
1473 | ||
1474 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_SCAN_ENABLE); | |
1475 | if (!cp) | |
1476 | return; | |
1477 | ||
1478 | le_set_scan_enable_complete(hdev, cp->enable); | |
1479 | } | |
1480 | ||
6b49bcb4 JK |
1481 | static void hci_cc_le_read_num_adv_sets(struct hci_dev *hdev, |
1482 | struct sk_buff *skb) | |
1483 | { | |
1484 | struct hci_rp_le_read_num_supported_adv_sets *rp = (void *) skb->data; | |
1485 | ||
1486 | BT_DBG("%s status 0x%2.2x No of Adv sets %u", hdev->name, rp->status, | |
1487 | rp->num_of_sets); | |
1488 | ||
1489 | if (rp->status) | |
1490 | return; | |
1491 | ||
1492 | hdev->le_num_of_adv_sets = rp->num_of_sets; | |
1493 | } | |
1494 | ||
cf1d081f JH |
1495 | static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, |
1496 | struct sk_buff *skb) | |
1497 | { | |
1498 | struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; | |
1499 | ||
1500 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1501 | ||
45296acd MH |
1502 | if (rp->status) |
1503 | return; | |
1504 | ||
1505 | hdev->le_white_list_size = rp->size; | |
cf1d081f JH |
1506 | } |
1507 | ||
0f36b589 MH |
1508 | static void hci_cc_le_clear_white_list(struct hci_dev *hdev, |
1509 | struct sk_buff *skb) | |
1510 | { | |
1511 | __u8 status = *((__u8 *) skb->data); | |
1512 | ||
1513 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1514 | ||
45296acd MH |
1515 | if (status) |
1516 | return; | |
1517 | ||
dcc36c16 | 1518 | hci_bdaddr_list_clear(&hdev->le_white_list); |
0f36b589 MH |
1519 | } |
1520 | ||
1521 | static void hci_cc_le_add_to_white_list(struct hci_dev *hdev, | |
1522 | struct sk_buff *skb) | |
1523 | { | |
1524 | struct hci_cp_le_add_to_white_list *sent; | |
1525 | __u8 status = *((__u8 *) skb->data); | |
1526 | ||
1527 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1528 | ||
45296acd MH |
1529 | if (status) |
1530 | return; | |
1531 | ||
0f36b589 MH |
1532 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST); |
1533 | if (!sent) | |
1534 | return; | |
1535 | ||
dcc36c16 JH |
1536 | hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr, |
1537 | sent->bdaddr_type); | |
0f36b589 MH |
1538 | } |
1539 | ||
1540 | static void hci_cc_le_del_from_white_list(struct hci_dev *hdev, | |
1541 | struct sk_buff *skb) | |
1542 | { | |
1543 | struct hci_cp_le_del_from_white_list *sent; | |
1544 | __u8 status = *((__u8 *) skb->data); | |
1545 | ||
1546 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1547 | ||
45296acd MH |
1548 | if (status) |
1549 | return; | |
1550 | ||
0f36b589 MH |
1551 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST); |
1552 | if (!sent) | |
1553 | return; | |
1554 | ||
dcc36c16 JH |
1555 | hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr, |
1556 | sent->bdaddr_type); | |
0f36b589 MH |
1557 | } |
1558 | ||
9b008c04 JH |
1559 | static void hci_cc_le_read_supported_states(struct hci_dev *hdev, |
1560 | struct sk_buff *skb) | |
1561 | { | |
1562 | struct hci_rp_le_read_supported_states *rp = (void *) skb->data; | |
1563 | ||
1564 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1565 | ||
45296acd MH |
1566 | if (rp->status) |
1567 | return; | |
1568 | ||
1569 | memcpy(hdev->le_states, rp->le_states, 8); | |
9b008c04 JH |
1570 | } |
1571 | ||
a8e1bfaa MH |
1572 | static void hci_cc_le_read_def_data_len(struct hci_dev *hdev, |
1573 | struct sk_buff *skb) | |
1574 | { | |
1575 | struct hci_rp_le_read_def_data_len *rp = (void *) skb->data; | |
1576 | ||
1577 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1578 | ||
1579 | if (rp->status) | |
1580 | return; | |
1581 | ||
1582 | hdev->le_def_tx_len = le16_to_cpu(rp->tx_len); | |
1583 | hdev->le_def_tx_time = le16_to_cpu(rp->tx_time); | |
1584 | } | |
1585 | ||
1586 | static void hci_cc_le_write_def_data_len(struct hci_dev *hdev, | |
1587 | struct sk_buff *skb) | |
1588 | { | |
1589 | struct hci_cp_le_write_def_data_len *sent; | |
1590 | __u8 status = *((__u8 *) skb->data); | |
1591 | ||
1592 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1593 | ||
1594 | if (status) | |
1595 | return; | |
1596 | ||
1597 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN); | |
1598 | if (!sent) | |
1599 | return; | |
1600 | ||
1601 | hdev->le_def_tx_len = le16_to_cpu(sent->tx_len); | |
1602 | hdev->le_def_tx_time = le16_to_cpu(sent->tx_time); | |
1603 | } | |
1604 | ||
b950aa88 AN |
1605 | static void hci_cc_le_add_to_resolv_list(struct hci_dev *hdev, |
1606 | struct sk_buff *skb) | |
1607 | { | |
1608 | struct hci_cp_le_add_to_resolv_list *sent; | |
1609 | __u8 status = *((__u8 *) skb->data); | |
1610 | ||
1611 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1612 | ||
1613 | if (status) | |
1614 | return; | |
1615 | ||
1616 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_RESOLV_LIST); | |
1617 | if (!sent) | |
1618 | return; | |
1619 | ||
1620 | hci_bdaddr_list_add_with_irk(&hdev->le_resolv_list, &sent->bdaddr, | |
1621 | sent->bdaddr_type, sent->peer_irk, | |
1622 | sent->local_irk); | |
1623 | } | |
1624 | ||
1625 | static void hci_cc_le_del_from_resolv_list(struct hci_dev *hdev, | |
1626 | struct sk_buff *skb) | |
1627 | { | |
1628 | struct hci_cp_le_del_from_resolv_list *sent; | |
1629 | __u8 status = *((__u8 *) skb->data); | |
1630 | ||
1631 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1632 | ||
1633 | if (status) | |
1634 | return; | |
1635 | ||
1636 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_RESOLV_LIST); | |
1637 | if (!sent) | |
1638 | return; | |
1639 | ||
1640 | hci_bdaddr_list_del_with_irk(&hdev->le_resolv_list, &sent->bdaddr, | |
1641 | sent->bdaddr_type); | |
1642 | } | |
1643 | ||
545f2596 AN |
1644 | static void hci_cc_le_clear_resolv_list(struct hci_dev *hdev, |
1645 | struct sk_buff *skb) | |
1646 | { | |
1647 | __u8 status = *((__u8 *) skb->data); | |
1648 | ||
1649 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1650 | ||
1651 | if (status) | |
1652 | return; | |
1653 | ||
1654 | hci_bdaddr_list_clear(&hdev->le_resolv_list); | |
1655 | } | |
1656 | ||
cfdb0c2d AN |
1657 | static void hci_cc_le_read_resolv_list_size(struct hci_dev *hdev, |
1658 | struct sk_buff *skb) | |
1659 | { | |
1660 | struct hci_rp_le_read_resolv_list_size *rp = (void *) skb->data; | |
1661 | ||
1662 | BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); | |
1663 | ||
1664 | if (rp->status) | |
1665 | return; | |
1666 | ||
1667 | hdev->le_resolv_list_size = rp->size; | |
1668 | } | |
1669 | ||
aa12af77 AN |
1670 | static void hci_cc_le_set_addr_resolution_enable(struct hci_dev *hdev, |
1671 | struct sk_buff *skb) | |
1672 | { | |
1673 | __u8 *sent, status = *((__u8 *) skb->data); | |
1674 | ||
1675 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1676 | ||
1677 | if (status) | |
1678 | return; | |
1679 | ||
1680 | sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE); | |
1681 | if (!sent) | |
1682 | return; | |
1683 | ||
1684 | hci_dev_lock(hdev); | |
1685 | ||
1686 | if (*sent) | |
1687 | hci_dev_set_flag(hdev, HCI_LL_RPA_RESOLUTION); | |
1688 | else | |
1689 | hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION); | |
1690 | ||
1691 | hci_dev_unlock(hdev); | |
1692 | } | |
1693 | ||
a8e1bfaa MH |
1694 | static void hci_cc_le_read_max_data_len(struct hci_dev *hdev, |
1695 | struct sk_buff *skb) | |
1696 | { | |
1697 | struct hci_rp_le_read_max_data_len *rp = (void *) skb->data; | |
1698 | ||
1699 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1700 | ||
1701 | if (rp->status) | |
1702 | return; | |
1703 | ||
1704 | hdev->le_max_tx_len = le16_to_cpu(rp->tx_len); | |
1705 | hdev->le_max_tx_time = le16_to_cpu(rp->tx_time); | |
1706 | hdev->le_max_rx_len = le16_to_cpu(rp->rx_len); | |
1707 | hdev->le_max_rx_time = le16_to_cpu(rp->rx_time); | |
1708 | } | |
1709 | ||
6039aa73 GP |
1710 | static void hci_cc_write_le_host_supported(struct hci_dev *hdev, |
1711 | struct sk_buff *skb) | |
f9b49306 | 1712 | { |
06199cf8 | 1713 | struct hci_cp_write_le_host_supported *sent; |
f9b49306 AG |
1714 | __u8 status = *((__u8 *) skb->data); |
1715 | ||
9f1db00c | 1716 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f9b49306 | 1717 | |
45296acd MH |
1718 | if (status) |
1719 | return; | |
1720 | ||
06199cf8 | 1721 | sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); |
8f984dfa | 1722 | if (!sent) |
f9b49306 AG |
1723 | return; |
1724 | ||
5c1a4c8f JK |
1725 | hci_dev_lock(hdev); |
1726 | ||
45296acd MH |
1727 | if (sent->le) { |
1728 | hdev->features[1][0] |= LMP_HOST_LE; | |
a1536da2 | 1729 | hci_dev_set_flag(hdev, HCI_LE_ENABLED); |
45296acd MH |
1730 | } else { |
1731 | hdev->features[1][0] &= ~LMP_HOST_LE; | |
a358dc11 MH |
1732 | hci_dev_clear_flag(hdev, HCI_LE_ENABLED); |
1733 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); | |
8f984dfa | 1734 | } |
45296acd MH |
1735 | |
1736 | if (sent->simul) | |
1737 | hdev->features[1][0] |= LMP_HOST_LE_BREDR; | |
1738 | else | |
1739 | hdev->features[1][0] &= ~LMP_HOST_LE_BREDR; | |
5c1a4c8f JK |
1740 | |
1741 | hci_dev_unlock(hdev); | |
f9b49306 AG |
1742 | } |
1743 | ||
56ed2cb8 JH |
1744 | static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1745 | { | |
1746 | struct hci_cp_le_set_adv_param *cp; | |
1747 | u8 status = *((u8 *) skb->data); | |
1748 | ||
1749 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1750 | ||
1751 | if (status) | |
1752 | return; | |
1753 | ||
1754 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM); | |
1755 | if (!cp) | |
1756 | return; | |
1757 | ||
1758 | hci_dev_lock(hdev); | |
1759 | hdev->adv_addr_type = cp->own_address_type; | |
1760 | hci_dev_unlock(hdev); | |
1761 | } | |
1762 | ||
de181e88 JK |
1763 | static void hci_cc_set_ext_adv_param(struct hci_dev *hdev, struct sk_buff *skb) |
1764 | { | |
1765 | struct hci_rp_le_set_ext_adv_params *rp = (void *) skb->data; | |
1766 | struct hci_cp_le_set_ext_adv_params *cp; | |
1767 | struct adv_info *adv_instance; | |
1768 | ||
1769 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1770 | ||
1771 | if (rp->status) | |
1772 | return; | |
1773 | ||
1774 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS); | |
1775 | if (!cp) | |
1776 | return; | |
1777 | ||
1778 | hci_dev_lock(hdev); | |
1779 | hdev->adv_addr_type = cp->own_addr_type; | |
25e70886 | 1780 | if (!cp->handle) { |
de181e88 JK |
1781 | /* Store in hdev for instance 0 */ |
1782 | hdev->adv_tx_power = rp->tx_power; | |
1783 | } else { | |
25e70886 | 1784 | adv_instance = hci_find_adv_instance(hdev, cp->handle); |
de181e88 JK |
1785 | if (adv_instance) |
1786 | adv_instance->tx_power = rp->tx_power; | |
1787 | } | |
a0fb3726 | 1788 | /* Update adv data as tx power is known now */ |
25e70886 | 1789 | hci_req_update_adv_data(hdev, cp->handle); |
12410572 | 1790 | |
de181e88 JK |
1791 | hci_dev_unlock(hdev); |
1792 | } | |
1793 | ||
5ae76a94 AK |
1794 | static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) |
1795 | { | |
1796 | struct hci_rp_read_rssi *rp = (void *) skb->data; | |
1797 | struct hci_conn *conn; | |
1798 | ||
1799 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1800 | ||
1801 | if (rp->status) | |
1802 | return; | |
1803 | ||
1804 | hci_dev_lock(hdev); | |
1805 | ||
1806 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
1807 | if (conn) | |
1808 | conn->rssi = rp->rssi; | |
1809 | ||
1810 | hci_dev_unlock(hdev); | |
1811 | } | |
1812 | ||
5a134fae AK |
1813 | static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) |
1814 | { | |
1815 | struct hci_cp_read_tx_power *sent; | |
1816 | struct hci_rp_read_tx_power *rp = (void *) skb->data; | |
1817 | struct hci_conn *conn; | |
1818 | ||
1819 | BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); | |
1820 | ||
1821 | if (rp->status) | |
1822 | return; | |
1823 | ||
1824 | sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
1825 | if (!sent) | |
1826 | return; | |
1827 | ||
1828 | hci_dev_lock(hdev); | |
1829 | ||
1830 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle)); | |
d0455ed9 AK |
1831 | if (!conn) |
1832 | goto unlock; | |
1833 | ||
1834 | switch (sent->type) { | |
1835 | case 0x00: | |
5a134fae | 1836 | conn->tx_power = rp->tx_power; |
d0455ed9 AK |
1837 | break; |
1838 | case 0x01: | |
1839 | conn->max_tx_power = rp->tx_power; | |
1840 | break; | |
1841 | } | |
5a134fae | 1842 | |
d0455ed9 | 1843 | unlock: |
5a134fae AK |
1844 | hci_dev_unlock(hdev); |
1845 | } | |
1846 | ||
c50b33c8 MH |
1847 | static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb) |
1848 | { | |
1849 | u8 status = *((u8 *) skb->data); | |
1850 | u8 *mode; | |
1851 | ||
1852 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
1853 | ||
1854 | if (status) | |
1855 | return; | |
1856 | ||
1857 | mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE); | |
1858 | if (mode) | |
1859 | hdev->ssp_debug_mode = *mode; | |
1860 | } | |
1861 | ||
6039aa73 | 1862 | static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) |
a9de9248 | 1863 | { |
9f1db00c | 1864 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1865 | |
1866 | if (status) { | |
a9de9248 | 1867 | hci_conn_check_pending(hdev); |
314b2381 JH |
1868 | return; |
1869 | } | |
1870 | ||
89352e7d | 1871 | set_bit(HCI_INQUIRY, &hdev->flags); |
1da177e4 LT |
1872 | } |
1873 | ||
6039aa73 | 1874 | static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1875 | { |
a9de9248 | 1876 | struct hci_cp_create_conn *cp; |
1da177e4 | 1877 | struct hci_conn *conn; |
1da177e4 | 1878 | |
9f1db00c | 1879 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
a9de9248 MH |
1880 | |
1881 | cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); | |
1da177e4 LT |
1882 | if (!cp) |
1883 | return; | |
1884 | ||
1885 | hci_dev_lock(hdev); | |
1886 | ||
1887 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
1888 | ||
6ed93dc6 | 1889 | BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); |
1da177e4 LT |
1890 | |
1891 | if (status) { | |
1892 | if (conn && conn->state == BT_CONNECT) { | |
4c67bc74 MH |
1893 | if (status != 0x0c || conn->attempt > 2) { |
1894 | conn->state = BT_CLOSED; | |
539c496d | 1895 | hci_connect_cfm(conn, status); |
4c67bc74 MH |
1896 | hci_conn_del(conn); |
1897 | } else | |
1898 | conn->state = BT_CONNECT2; | |
1da177e4 LT |
1899 | } |
1900 | } else { | |
1901 | if (!conn) { | |
a5c4e309 JH |
1902 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr, |
1903 | HCI_ROLE_MASTER); | |
1904 | if (!conn) | |
2064ee33 | 1905 | bt_dev_err(hdev, "no memory for new connection"); |
1da177e4 LT |
1906 | } |
1907 | } | |
1908 | ||
1909 | hci_dev_unlock(hdev); | |
1910 | } | |
1911 | ||
a9de9248 | 1912 | static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) |
1da177e4 | 1913 | { |
a9de9248 MH |
1914 | struct hci_cp_add_sco *cp; |
1915 | struct hci_conn *acl, *sco; | |
1916 | __u16 handle; | |
1da177e4 | 1917 | |
9f1db00c | 1918 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 | 1919 | |
a9de9248 MH |
1920 | if (!status) |
1921 | return; | |
1da177e4 | 1922 | |
a9de9248 MH |
1923 | cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO); |
1924 | if (!cp) | |
1925 | return; | |
1da177e4 | 1926 | |
a9de9248 | 1927 | handle = __le16_to_cpu(cp->handle); |
1da177e4 | 1928 | |
9f1db00c | 1929 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
1da177e4 | 1930 | |
a9de9248 | 1931 | hci_dev_lock(hdev); |
1da177e4 | 1932 | |
a9de9248 | 1933 | acl = hci_conn_hash_lookup_handle(hdev, handle); |
5a08ecce AE |
1934 | if (acl) { |
1935 | sco = acl->link; | |
1936 | if (sco) { | |
1937 | sco->state = BT_CLOSED; | |
1da177e4 | 1938 | |
539c496d | 1939 | hci_connect_cfm(sco, status); |
5a08ecce AE |
1940 | hci_conn_del(sco); |
1941 | } | |
a9de9248 | 1942 | } |
1da177e4 | 1943 | |
a9de9248 MH |
1944 | hci_dev_unlock(hdev); |
1945 | } | |
1da177e4 | 1946 | |
f8558555 MH |
1947 | static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) |
1948 | { | |
1949 | struct hci_cp_auth_requested *cp; | |
1950 | struct hci_conn *conn; | |
1951 | ||
9f1db00c | 1952 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1953 | |
1954 | if (!status) | |
1955 | return; | |
1956 | ||
1957 | cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED); | |
1958 | if (!cp) | |
1959 | return; | |
1960 | ||
1961 | hci_dev_lock(hdev); | |
1962 | ||
1963 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1964 | if (conn) { | |
1965 | if (conn->state == BT_CONFIG) { | |
539c496d | 1966 | hci_connect_cfm(conn, status); |
76a68ba0 | 1967 | hci_conn_drop(conn); |
f8558555 MH |
1968 | } |
1969 | } | |
1970 | ||
1971 | hci_dev_unlock(hdev); | |
1972 | } | |
1973 | ||
1974 | static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) | |
1975 | { | |
1976 | struct hci_cp_set_conn_encrypt *cp; | |
1977 | struct hci_conn *conn; | |
1978 | ||
9f1db00c | 1979 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
f8558555 MH |
1980 | |
1981 | if (!status) | |
1982 | return; | |
1983 | ||
1984 | cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT); | |
1985 | if (!cp) | |
1986 | return; | |
1987 | ||
1988 | hci_dev_lock(hdev); | |
1989 | ||
1990 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
1991 | if (conn) { | |
1992 | if (conn->state == BT_CONFIG) { | |
539c496d | 1993 | hci_connect_cfm(conn, status); |
76a68ba0 | 1994 | hci_conn_drop(conn); |
f8558555 MH |
1995 | } |
1996 | } | |
1997 | ||
1998 | hci_dev_unlock(hdev); | |
1999 | } | |
2000 | ||
127178d2 | 2001 | static int hci_outgoing_auth_needed(struct hci_dev *hdev, |
807deac2 | 2002 | struct hci_conn *conn) |
392599b9 | 2003 | { |
392599b9 JH |
2004 | if (conn->state != BT_CONFIG || !conn->out) |
2005 | return 0; | |
2006 | ||
765c2a96 | 2007 | if (conn->pending_sec_level == BT_SECURITY_SDP) |
392599b9 JH |
2008 | return 0; |
2009 | ||
2010 | /* Only request authentication for SSP connections or non-SSP | |
264b8b4e JH |
2011 | * devices with sec_level MEDIUM or HIGH or if MITM protection |
2012 | * is requested. | |
2013 | */ | |
807deac2 | 2014 | if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) && |
7e3691e1 | 2015 | conn->pending_sec_level != BT_SECURITY_FIPS && |
264b8b4e JH |
2016 | conn->pending_sec_level != BT_SECURITY_HIGH && |
2017 | conn->pending_sec_level != BT_SECURITY_MEDIUM) | |
392599b9 JH |
2018 | return 0; |
2019 | ||
392599b9 JH |
2020 | return 1; |
2021 | } | |
2022 | ||
6039aa73 | 2023 | static int hci_resolve_name(struct hci_dev *hdev, |
04124681 | 2024 | struct inquiry_entry *e) |
30dc78e1 JH |
2025 | { |
2026 | struct hci_cp_remote_name_req cp; | |
2027 | ||
2028 | memset(&cp, 0, sizeof(cp)); | |
2029 | ||
2030 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
2031 | cp.pscan_rep_mode = e->data.pscan_rep_mode; | |
2032 | cp.pscan_mode = e->data.pscan_mode; | |
2033 | cp.clock_offset = e->data.clock_offset; | |
2034 | ||
2035 | return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
2036 | } | |
2037 | ||
b644ba33 | 2038 | static bool hci_resolve_next_name(struct hci_dev *hdev) |
30dc78e1 JH |
2039 | { |
2040 | struct discovery_state *discov = &hdev->discovery; | |
2041 | struct inquiry_entry *e; | |
2042 | ||
b644ba33 JH |
2043 | if (list_empty(&discov->resolve)) |
2044 | return false; | |
2045 | ||
2046 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
c810089c RM |
2047 | if (!e) |
2048 | return false; | |
2049 | ||
b644ba33 JH |
2050 | if (hci_resolve_name(hdev, e) == 0) { |
2051 | e->name_state = NAME_PENDING; | |
2052 | return true; | |
2053 | } | |
2054 | ||
2055 | return false; | |
2056 | } | |
2057 | ||
2058 | static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, | |
04124681 | 2059 | bdaddr_t *bdaddr, u8 *name, u8 name_len) |
b644ba33 JH |
2060 | { |
2061 | struct discovery_state *discov = &hdev->discovery; | |
2062 | struct inquiry_entry *e; | |
2063 | ||
60cb49d2 JH |
2064 | /* Update the mgmt connected state if necessary. Be careful with |
2065 | * conn objects that exist but are not (yet) connected however. | |
2066 | * Only those in BT_CONFIG or BT_CONNECTED states can be | |
2067 | * considered connected. | |
2068 | */ | |
2069 | if (conn && | |
2070 | (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) && | |
cb77c3ec | 2071 | !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
1c6ed31b | 2072 | mgmt_device_connected(hdev, conn, name, name_len); |
b644ba33 JH |
2073 | |
2074 | if (discov->state == DISCOVERY_STOPPED) | |
2075 | return; | |
2076 | ||
30dc78e1 JH |
2077 | if (discov->state == DISCOVERY_STOPPING) |
2078 | goto discov_complete; | |
2079 | ||
2080 | if (discov->state != DISCOVERY_RESOLVING) | |
2081 | return; | |
2082 | ||
2083 | e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); | |
7cc8380e RM |
2084 | /* If the device was not found in a list of found devices names of which |
2085 | * are pending. there is no need to continue resolving a next name as it | |
2086 | * will be done upon receiving another Remote Name Request Complete | |
2087 | * Event */ | |
2088 | if (!e) | |
2089 | return; | |
2090 | ||
2091 | list_del(&e->list); | |
2092 | if (name) { | |
30dc78e1 | 2093 | e->name_state = NAME_KNOWN; |
7cc8380e RM |
2094 | mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, |
2095 | e->data.rssi, name, name_len); | |
c3e7c0d9 RM |
2096 | } else { |
2097 | e->name_state = NAME_NOT_KNOWN; | |
30dc78e1 JH |
2098 | } |
2099 | ||
b644ba33 | 2100 | if (hci_resolve_next_name(hdev)) |
30dc78e1 | 2101 | return; |
30dc78e1 JH |
2102 | |
2103 | discov_complete: | |
2104 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
2105 | } | |
2106 | ||
a9de9248 MH |
2107 | static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) |
2108 | { | |
127178d2 JH |
2109 | struct hci_cp_remote_name_req *cp; |
2110 | struct hci_conn *conn; | |
2111 | ||
9f1db00c | 2112 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
127178d2 JH |
2113 | |
2114 | /* If successful wait for the name req complete event before | |
2115 | * checking for the need to do authentication */ | |
2116 | if (!status) | |
2117 | return; | |
2118 | ||
2119 | cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ); | |
2120 | if (!cp) | |
2121 | return; | |
2122 | ||
2123 | hci_dev_lock(hdev); | |
2124 | ||
b644ba33 JH |
2125 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); |
2126 | ||
d7a5a11d | 2127 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 2128 | hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0); |
30dc78e1 | 2129 | |
79c6c70c JH |
2130 | if (!conn) |
2131 | goto unlock; | |
2132 | ||
2133 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
2134 | goto unlock; | |
2135 | ||
51a8efd7 | 2136 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
c1f23a2b JB |
2137 | struct hci_cp_auth_requested auth_cp; |
2138 | ||
977f8fce JH |
2139 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); |
2140 | ||
c1f23a2b JB |
2141 | auth_cp.handle = __cpu_to_le16(conn->handle); |
2142 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, | |
2143 | sizeof(auth_cp), &auth_cp); | |
127178d2 JH |
2144 | } |
2145 | ||
79c6c70c | 2146 | unlock: |
127178d2 | 2147 | hci_dev_unlock(hdev); |
a9de9248 | 2148 | } |
1da177e4 | 2149 | |
769be974 MH |
2150 | static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) |
2151 | { | |
2152 | struct hci_cp_read_remote_features *cp; | |
2153 | struct hci_conn *conn; | |
2154 | ||
9f1db00c | 2155 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
2156 | |
2157 | if (!status) | |
2158 | return; | |
2159 | ||
2160 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES); | |
2161 | if (!cp) | |
2162 | return; | |
2163 | ||
2164 | hci_dev_lock(hdev); | |
2165 | ||
2166 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2167 | if (conn) { | |
2168 | if (conn->state == BT_CONFIG) { | |
539c496d | 2169 | hci_connect_cfm(conn, status); |
76a68ba0 | 2170 | hci_conn_drop(conn); |
769be974 MH |
2171 | } |
2172 | } | |
2173 | ||
2174 | hci_dev_unlock(hdev); | |
2175 | } | |
2176 | ||
2177 | static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) | |
2178 | { | |
2179 | struct hci_cp_read_remote_ext_features *cp; | |
2180 | struct hci_conn *conn; | |
2181 | ||
9f1db00c | 2182 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
769be974 MH |
2183 | |
2184 | if (!status) | |
2185 | return; | |
2186 | ||
2187 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES); | |
2188 | if (!cp) | |
2189 | return; | |
2190 | ||
2191 | hci_dev_lock(hdev); | |
2192 | ||
2193 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2194 | if (conn) { | |
2195 | if (conn->state == BT_CONFIG) { | |
539c496d | 2196 | hci_connect_cfm(conn, status); |
76a68ba0 | 2197 | hci_conn_drop(conn); |
769be974 MH |
2198 | } |
2199 | } | |
2200 | ||
2201 | hci_dev_unlock(hdev); | |
2202 | } | |
2203 | ||
a9de9248 MH |
2204 | static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) |
2205 | { | |
b6a0dc82 MH |
2206 | struct hci_cp_setup_sync_conn *cp; |
2207 | struct hci_conn *acl, *sco; | |
2208 | __u16 handle; | |
2209 | ||
9f1db00c | 2210 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
b6a0dc82 MH |
2211 | |
2212 | if (!status) | |
2213 | return; | |
2214 | ||
2215 | cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN); | |
2216 | if (!cp) | |
2217 | return; | |
2218 | ||
2219 | handle = __le16_to_cpu(cp->handle); | |
2220 | ||
9f1db00c | 2221 | BT_DBG("%s handle 0x%4.4x", hdev->name, handle); |
b6a0dc82 MH |
2222 | |
2223 | hci_dev_lock(hdev); | |
2224 | ||
2225 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
5a08ecce AE |
2226 | if (acl) { |
2227 | sco = acl->link; | |
2228 | if (sco) { | |
2229 | sco->state = BT_CLOSED; | |
b6a0dc82 | 2230 | |
539c496d | 2231 | hci_connect_cfm(sco, status); |
5a08ecce AE |
2232 | hci_conn_del(sco); |
2233 | } | |
b6a0dc82 MH |
2234 | } |
2235 | ||
2236 | hci_dev_unlock(hdev); | |
1da177e4 LT |
2237 | } |
2238 | ||
a9de9248 | 2239 | static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) |
1da177e4 | 2240 | { |
a9de9248 MH |
2241 | struct hci_cp_sniff_mode *cp; |
2242 | struct hci_conn *conn; | |
1da177e4 | 2243 | |
9f1db00c | 2244 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 2245 | |
a9de9248 MH |
2246 | if (!status) |
2247 | return; | |
04837f64 | 2248 | |
a9de9248 MH |
2249 | cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE); |
2250 | if (!cp) | |
2251 | return; | |
04837f64 | 2252 | |
a9de9248 | 2253 | hci_dev_lock(hdev); |
04837f64 | 2254 | |
a9de9248 | 2255 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 2256 | if (conn) { |
51a8efd7 | 2257 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
04837f64 | 2258 | |
51a8efd7 | 2259 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
2260 | hci_sco_setup(conn, status); |
2261 | } | |
2262 | ||
a9de9248 MH |
2263 | hci_dev_unlock(hdev); |
2264 | } | |
04837f64 | 2265 | |
a9de9248 MH |
2266 | static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) |
2267 | { | |
2268 | struct hci_cp_exit_sniff_mode *cp; | |
2269 | struct hci_conn *conn; | |
04837f64 | 2270 | |
9f1db00c | 2271 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
04837f64 | 2272 | |
a9de9248 MH |
2273 | if (!status) |
2274 | return; | |
04837f64 | 2275 | |
a9de9248 MH |
2276 | cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE); |
2277 | if (!cp) | |
2278 | return; | |
04837f64 | 2279 | |
a9de9248 | 2280 | hci_dev_lock(hdev); |
1da177e4 | 2281 | |
a9de9248 | 2282 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); |
e73439d8 | 2283 | if (conn) { |
51a8efd7 | 2284 | clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags); |
1da177e4 | 2285 | |
51a8efd7 | 2286 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 MH |
2287 | hci_sco_setup(conn, status); |
2288 | } | |
2289 | ||
a9de9248 | 2290 | hci_dev_unlock(hdev); |
1da177e4 LT |
2291 | } |
2292 | ||
88c3df13 JH |
2293 | static void hci_cs_disconnect(struct hci_dev *hdev, u8 status) |
2294 | { | |
2295 | struct hci_cp_disconnect *cp; | |
2296 | struct hci_conn *conn; | |
2297 | ||
2298 | if (!status) | |
2299 | return; | |
2300 | ||
2301 | cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT); | |
2302 | if (!cp) | |
2303 | return; | |
2304 | ||
2305 | hci_dev_lock(hdev); | |
2306 | ||
2307 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
b8d29052 JH |
2308 | if (conn) { |
2309 | u8 type = conn->type; | |
2310 | ||
88c3df13 | 2311 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2312 | conn->dst_type, status); |
88c3df13 | 2313 | |
b8d29052 JH |
2314 | /* If the disconnection failed for any reason, the upper layer |
2315 | * does not retry to disconnect in current implementation. | |
2316 | * Hence, we need to do some basic cleanup here and re-enable | |
2317 | * advertising if necessary. | |
2318 | */ | |
2319 | hci_conn_del(conn); | |
2320 | if (type == LE_LINK) | |
2321 | hci_req_reenable_advertising(hdev); | |
2322 | } | |
2323 | ||
88c3df13 JH |
2324 | hci_dev_unlock(hdev); |
2325 | } | |
2326 | ||
d12fb056 JK |
2327 | static void cs_le_create_conn(struct hci_dev *hdev, bdaddr_t *peer_addr, |
2328 | u8 peer_addr_type, u8 own_address_type, | |
2329 | u8 filter_policy) | |
cb1d68f7 | 2330 | { |
cb1d68f7 JH |
2331 | struct hci_conn *conn; |
2332 | ||
d12fb056 JK |
2333 | conn = hci_conn_hash_lookup_le(hdev, peer_addr, |
2334 | peer_addr_type); | |
cb1d68f7 | 2335 | if (!conn) |
d12fb056 | 2336 | return; |
cb1d68f7 | 2337 | |
b31bc00b SN |
2338 | /* When using controller based address resolution, then the new |
2339 | * address types 0x02 and 0x03 are used. These types need to be | |
2340 | * converted back into either public address or random address type | |
2341 | */ | |
2342 | if (use_ll_privacy(hdev) && | |
2343 | hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) { | |
2344 | switch (own_address_type) { | |
2345 | case ADDR_LE_DEV_PUBLIC_RESOLVED: | |
2346 | own_address_type = ADDR_LE_DEV_PUBLIC; | |
2347 | break; | |
2348 | case ADDR_LE_DEV_RANDOM_RESOLVED: | |
2349 | own_address_type = ADDR_LE_DEV_RANDOM; | |
2350 | break; | |
2351 | } | |
2352 | } | |
2353 | ||
cb1d68f7 JH |
2354 | /* Store the initiator and responder address information which |
2355 | * is needed for SMP. These values will not change during the | |
2356 | * lifetime of the connection. | |
2357 | */ | |
d12fb056 JK |
2358 | conn->init_addr_type = own_address_type; |
2359 | if (own_address_type == ADDR_LE_DEV_RANDOM) | |
cb1d68f7 JH |
2360 | bacpy(&conn->init_addr, &hdev->random_addr); |
2361 | else | |
2362 | bacpy(&conn->init_addr, &hdev->bdaddr); | |
2363 | ||
d12fb056 JK |
2364 | conn->resp_addr_type = peer_addr_type; |
2365 | bacpy(&conn->resp_addr, peer_addr); | |
cb1d68f7 | 2366 | |
9489eca4 JH |
2367 | /* We don't want the connection attempt to stick around |
2368 | * indefinitely since LE doesn't have a page timeout concept | |
2369 | * like BR/EDR. Set a timer for any connection that doesn't use | |
2370 | * the white list for connecting. | |
2371 | */ | |
d12fb056 | 2372 | if (filter_policy == HCI_LE_USE_PEER_ADDR) |
9489eca4 JH |
2373 | queue_delayed_work(conn->hdev->workqueue, |
2374 | &conn->le_conn_timeout, | |
09ae260b | 2375 | conn->conn_timeout); |
d12fb056 JK |
2376 | } |
2377 | ||
2378 | static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status) | |
2379 | { | |
2380 | struct hci_cp_le_create_conn *cp; | |
2381 | ||
2382 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2383 | ||
2384 | /* All connection failure handling is taken care of by the | |
2385 | * hci_le_conn_failed function which is triggered by the HCI | |
2386 | * request completion callbacks used for connecting. | |
2387 | */ | |
2388 | if (status) | |
2389 | return; | |
2390 | ||
2391 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); | |
2392 | if (!cp) | |
2393 | return; | |
2394 | ||
2395 | hci_dev_lock(hdev); | |
2396 | ||
2397 | cs_le_create_conn(hdev, &cp->peer_addr, cp->peer_addr_type, | |
2398 | cp->own_address_type, cp->filter_policy); | |
9489eca4 | 2399 | |
cb1d68f7 JH |
2400 | hci_dev_unlock(hdev); |
2401 | } | |
2402 | ||
4d94f95d JK |
2403 | static void hci_cs_le_ext_create_conn(struct hci_dev *hdev, u8 status) |
2404 | { | |
2405 | struct hci_cp_le_ext_create_conn *cp; | |
2406 | ||
2407 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2408 | ||
2409 | /* All connection failure handling is taken care of by the | |
2410 | * hci_le_conn_failed function which is triggered by the HCI | |
2411 | * request completion callbacks used for connecting. | |
2412 | */ | |
2413 | if (status) | |
2414 | return; | |
2415 | ||
2416 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_EXT_CREATE_CONN); | |
2417 | if (!cp) | |
2418 | return; | |
2419 | ||
2420 | hci_dev_lock(hdev); | |
2421 | ||
2422 | cs_le_create_conn(hdev, &cp->peer_addr, cp->peer_addr_type, | |
2423 | cp->own_addr_type, cp->filter_policy); | |
2424 | ||
2425 | hci_dev_unlock(hdev); | |
2426 | } | |
2427 | ||
0fe29fd1 MH |
2428 | static void hci_cs_le_read_remote_features(struct hci_dev *hdev, u8 status) |
2429 | { | |
2430 | struct hci_cp_le_read_remote_features *cp; | |
2431 | struct hci_conn *conn; | |
2432 | ||
2433 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2434 | ||
2435 | if (!status) | |
2436 | return; | |
2437 | ||
2438 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_READ_REMOTE_FEATURES); | |
2439 | if (!cp) | |
2440 | return; | |
2441 | ||
2442 | hci_dev_lock(hdev); | |
2443 | ||
2444 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2445 | if (conn) { | |
2446 | if (conn->state == BT_CONFIG) { | |
2447 | hci_connect_cfm(conn, status); | |
2448 | hci_conn_drop(conn); | |
2449 | } | |
2450 | } | |
2451 | ||
2452 | hci_dev_unlock(hdev); | |
2453 | } | |
2454 | ||
81d0c8ad JH |
2455 | static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) |
2456 | { | |
2457 | struct hci_cp_le_start_enc *cp; | |
2458 | struct hci_conn *conn; | |
2459 | ||
2460 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2461 | ||
2462 | if (!status) | |
2463 | return; | |
2464 | ||
2465 | hci_dev_lock(hdev); | |
2466 | ||
2467 | cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC); | |
2468 | if (!cp) | |
2469 | goto unlock; | |
2470 | ||
2471 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle)); | |
2472 | if (!conn) | |
2473 | goto unlock; | |
2474 | ||
2475 | if (conn->state != BT_CONNECTED) | |
2476 | goto unlock; | |
2477 | ||
2478 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); | |
2479 | hci_conn_drop(conn); | |
2480 | ||
2481 | unlock: | |
2482 | hci_dev_unlock(hdev); | |
2483 | } | |
2484 | ||
50fc85f1 KP |
2485 | static void hci_cs_switch_role(struct hci_dev *hdev, u8 status) |
2486 | { | |
2487 | struct hci_cp_switch_role *cp; | |
2488 | struct hci_conn *conn; | |
2489 | ||
2490 | BT_DBG("%s status 0x%2.2x", hdev->name, status); | |
2491 | ||
2492 | if (!status) | |
2493 | return; | |
2494 | ||
2495 | cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE); | |
2496 | if (!cp) | |
2497 | return; | |
2498 | ||
2499 | hci_dev_lock(hdev); | |
2500 | ||
2501 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
2502 | if (conn) | |
2503 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); | |
2504 | ||
2505 | hci_dev_unlock(hdev); | |
2506 | } | |
2507 | ||
6039aa73 | 2508 | static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 LT |
2509 | { |
2510 | __u8 status = *((__u8 *) skb->data); | |
30dc78e1 JH |
2511 | struct discovery_state *discov = &hdev->discovery; |
2512 | struct inquiry_entry *e; | |
1da177e4 | 2513 | |
9f1db00c | 2514 | BT_DBG("%s status 0x%2.2x", hdev->name, status); |
1da177e4 | 2515 | |
a9de9248 | 2516 | hci_conn_check_pending(hdev); |
89352e7d AG |
2517 | |
2518 | if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) | |
2519 | return; | |
2520 | ||
4e857c58 | 2521 | smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */ |
3e13fa1e AG |
2522 | wake_up_bit(&hdev->flags, HCI_INQUIRY); |
2523 | ||
d7a5a11d | 2524 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
30dc78e1 JH |
2525 | return; |
2526 | ||
56e5cb86 | 2527 | hci_dev_lock(hdev); |
30dc78e1 | 2528 | |
343f935b | 2529 | if (discov->state != DISCOVERY_FINDING) |
30dc78e1 JH |
2530 | goto unlock; |
2531 | ||
2532 | if (list_empty(&discov->resolve)) { | |
07d2334a JP |
2533 | /* When BR/EDR inquiry is active and no LE scanning is in |
2534 | * progress, then change discovery state to indicate completion. | |
2535 | * | |
2536 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2537 | * and the LE scan already finished, then change the discovery | |
2538 | * state to indicate completion. | |
2539 | */ | |
2540 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2541 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2542 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2543 | goto unlock; |
2544 | } | |
2545 | ||
2546 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); | |
2547 | if (e && hci_resolve_name(hdev, e) == 0) { | |
2548 | e->name_state = NAME_PENDING; | |
2549 | hci_discovery_set_state(hdev, DISCOVERY_RESOLVING); | |
2550 | } else { | |
07d2334a JP |
2551 | /* When BR/EDR inquiry is active and no LE scanning is in |
2552 | * progress, then change discovery state to indicate completion. | |
2553 | * | |
2554 | * When running LE scanning and BR/EDR inquiry simultaneously | |
2555 | * and the LE scan already finished, then change the discovery | |
2556 | * state to indicate completion. | |
2557 | */ | |
2558 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) || | |
2559 | !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
2560 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
30dc78e1 JH |
2561 | } |
2562 | ||
2563 | unlock: | |
56e5cb86 | 2564 | hci_dev_unlock(hdev); |
1da177e4 LT |
2565 | } |
2566 | ||
6039aa73 | 2567 | static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2568 | { |
45bb4bf0 | 2569 | struct inquiry_data data; |
a9de9248 | 2570 | struct inquiry_info *info = (void *) (skb->data + 1); |
1da177e4 LT |
2571 | int num_rsp = *((__u8 *) skb->data); |
2572 | ||
2573 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
2574 | ||
75bbd2ea | 2575 | if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1) |
45bb4bf0 MH |
2576 | return; |
2577 | ||
d7a5a11d | 2578 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
2579 | return; |
2580 | ||
1da177e4 | 2581 | hci_dev_lock(hdev); |
45bb4bf0 | 2582 | |
e17acd40 | 2583 | for (; num_rsp; num_rsp--, info++) { |
af58925c | 2584 | u32 flags; |
3175405b | 2585 | |
1da177e4 LT |
2586 | bacpy(&data.bdaddr, &info->bdaddr); |
2587 | data.pscan_rep_mode = info->pscan_rep_mode; | |
2588 | data.pscan_period_mode = info->pscan_period_mode; | |
2589 | data.pscan_mode = info->pscan_mode; | |
2590 | memcpy(data.dev_class, info->dev_class, 3); | |
2591 | data.clock_offset = info->clock_offset; | |
efb2513f | 2592 | data.rssi = HCI_RSSI_INVALID; |
41a96212 | 2593 | data.ssp_mode = 0x00; |
3175405b | 2594 | |
af58925c MH |
2595 | flags = hci_inquiry_cache_update(hdev, &data, false); |
2596 | ||
48264f06 | 2597 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
efb2513f MH |
2598 | info->dev_class, HCI_RSSI_INVALID, |
2599 | flags, NULL, 0, NULL, 0); | |
1da177e4 | 2600 | } |
45bb4bf0 | 2601 | |
1da177e4 LT |
2602 | hci_dev_unlock(hdev); |
2603 | } | |
2604 | ||
6039aa73 | 2605 | static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2606 | { |
a9de9248 MH |
2607 | struct hci_ev_conn_complete *ev = (void *) skb->data; |
2608 | struct hci_conn *conn; | |
1da177e4 LT |
2609 | |
2610 | BT_DBG("%s", hdev->name); | |
2611 | ||
2612 | hci_dev_lock(hdev); | |
2613 | ||
2614 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9499237a | 2615 | if (!conn) { |
a46b7ed4 SS |
2616 | /* Connection may not exist if auto-connected. Check the bredr |
2617 | * allowlist to see if this device is allowed to auto connect. | |
2618 | * If link is an ACL type, create a connection class | |
4f40afc6 | 2619 | * automatically. |
a46b7ed4 SS |
2620 | * |
2621 | * Auto-connect will only occur if the event filter is | |
2622 | * programmed with a given address. Right now, event filter is | |
2623 | * only used during suspend. | |
4f40afc6 | 2624 | */ |
a46b7ed4 SS |
2625 | if (ev->link_type == ACL_LINK && |
2626 | hci_bdaddr_list_lookup_with_flags(&hdev->whitelist, | |
2627 | &ev->bdaddr, | |
2628 | BDADDR_BREDR)) { | |
4f40afc6 APS |
2629 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
2630 | HCI_ROLE_SLAVE); | |
2631 | if (!conn) { | |
2632 | bt_dev_err(hdev, "no memory for new conn"); | |
2633 | goto unlock; | |
2634 | } | |
2d186fcd APS |
2635 | } else { |
2636 | if (ev->link_type != SCO_LINK) | |
2637 | goto unlock; | |
9499237a | 2638 | |
2d186fcd APS |
2639 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, |
2640 | &ev->bdaddr); | |
2641 | if (!conn) | |
2642 | goto unlock; | |
9499237a | 2643 | |
2d186fcd APS |
2644 | conn->type = SCO_LINK; |
2645 | } | |
9499237a | 2646 | } |
1da177e4 LT |
2647 | |
2648 | if (!ev->status) { | |
2649 | conn->handle = __le16_to_cpu(ev->handle); | |
769be974 MH |
2650 | |
2651 | if (conn->type == ACL_LINK) { | |
2652 | conn->state = BT_CONFIG; | |
2653 | hci_conn_hold(conn); | |
a9ea3ed9 SJ |
2654 | |
2655 | if (!conn->out && !hci_conn_ssp_enabled(conn) && | |
2656 | !hci_find_link_key(hdev, &ev->bdaddr)) | |
2657 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
2658 | else | |
2659 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
769be974 MH |
2660 | } else |
2661 | conn->state = BT_CONNECTED; | |
1da177e4 | 2662 | |
23b9ceb7 | 2663 | hci_debugfs_create_conn(conn); |
7d0db0a3 MH |
2664 | hci_conn_add_sysfs(conn); |
2665 | ||
1da177e4 | 2666 | if (test_bit(HCI_AUTH, &hdev->flags)) |
4dae2798 | 2667 | set_bit(HCI_CONN_AUTH, &conn->flags); |
1da177e4 LT |
2668 | |
2669 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
4dae2798 | 2670 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); |
1da177e4 | 2671 | |
04837f64 MH |
2672 | /* Get remote features */ |
2673 | if (conn->type == ACL_LINK) { | |
2674 | struct hci_cp_read_remote_features cp; | |
2675 | cp.handle = ev->handle; | |
769be974 | 2676 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, |
04124681 | 2677 | sizeof(cp), &cp); |
22f433dc | 2678 | |
01b1cb87 | 2679 | hci_req_update_scan(hdev); |
04837f64 MH |
2680 | } |
2681 | ||
1da177e4 | 2682 | /* Set packet type for incoming connection */ |
d095c1eb | 2683 | if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) { |
1da177e4 LT |
2684 | struct hci_cp_change_conn_ptype cp; |
2685 | cp.handle = ev->handle; | |
a8746417 | 2686 | cp.pkt_type = cpu_to_le16(conn->pkt_type); |
04124681 GP |
2687 | hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), |
2688 | &cp); | |
1da177e4 | 2689 | } |
17d5c04c | 2690 | } else { |
1da177e4 | 2691 | conn->state = BT_CLOSED; |
17d5c04c | 2692 | if (conn->type == ACL_LINK) |
64c7b77c | 2693 | mgmt_connect_failed(hdev, &conn->dst, conn->type, |
04124681 | 2694 | conn->dst_type, ev->status); |
17d5c04c | 2695 | } |
1da177e4 | 2696 | |
e73439d8 MH |
2697 | if (conn->type == ACL_LINK) |
2698 | hci_sco_setup(conn, ev->status); | |
1da177e4 | 2699 | |
769be974 | 2700 | if (ev->status) { |
539c496d | 2701 | hci_connect_cfm(conn, ev->status); |
1da177e4 | 2702 | hci_conn_del(conn); |
1f8330ea SN |
2703 | } else if (ev->link_type == SCO_LINK) { |
2704 | switch (conn->setting & SCO_AIRMODE_MASK) { | |
2705 | case SCO_AIRMODE_CVSD: | |
2706 | if (hdev->notify) | |
2707 | hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD); | |
2708 | break; | |
2709 | } | |
2710 | ||
539c496d | 2711 | hci_connect_cfm(conn, ev->status); |
1f8330ea | 2712 | } |
1da177e4 | 2713 | |
a9de9248 | 2714 | unlock: |
1da177e4 | 2715 | hci_dev_unlock(hdev); |
1da177e4 | 2716 | |
a9de9248 | 2717 | hci_conn_check_pending(hdev); |
1da177e4 LT |
2718 | } |
2719 | ||
70c46425 JH |
2720 | static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr) |
2721 | { | |
2722 | struct hci_cp_reject_conn_req cp; | |
2723 | ||
2724 | bacpy(&cp.bdaddr, bdaddr); | |
2725 | cp.reason = HCI_ERROR_REJ_BAD_ADDR; | |
2726 | hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp); | |
2727 | } | |
2728 | ||
6039aa73 | 2729 | static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2730 | { |
a9de9248 MH |
2731 | struct hci_ev_conn_request *ev = (void *) skb->data; |
2732 | int mask = hdev->link_mode; | |
70c46425 JH |
2733 | struct inquiry_entry *ie; |
2734 | struct hci_conn *conn; | |
20714bfe | 2735 | __u8 flags = 0; |
1da177e4 | 2736 | |
6ed93dc6 | 2737 | BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, |
807deac2 | 2738 | ev->link_type); |
1da177e4 | 2739 | |
20714bfe FD |
2740 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, |
2741 | &flags); | |
1da177e4 | 2742 | |
70c46425 JH |
2743 | if (!(mask & HCI_LM_ACCEPT)) { |
2744 | hci_reject_conn(hdev, &ev->bdaddr); | |
2745 | return; | |
2746 | } | |
2747 | ||
46c4c941 JH |
2748 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr, |
2749 | BDADDR_BREDR)) { | |
2750 | hci_reject_conn(hdev, &ev->bdaddr); | |
2751 | return; | |
2752 | } | |
2753 | ||
6a8fc95c JH |
2754 | /* Require HCI_CONNECTABLE or a whitelist entry to accept the |
2755 | * connection. These features are only touched through mgmt so | |
2756 | * only do the checks if HCI_MGMT is set. | |
2757 | */ | |
d7a5a11d MH |
2758 | if (hci_dev_test_flag(hdev, HCI_MGMT) && |
2759 | !hci_dev_test_flag(hdev, HCI_CONNECTABLE) && | |
8baaa403 APS |
2760 | !hci_bdaddr_list_lookup_with_flags(&hdev->whitelist, &ev->bdaddr, |
2761 | BDADDR_BREDR)) { | |
2762 | hci_reject_conn(hdev, &ev->bdaddr); | |
2763 | return; | |
70c46425 | 2764 | } |
1da177e4 | 2765 | |
70c46425 | 2766 | /* Connection accepted */ |
b6a0dc82 | 2767 | |
70c46425 JH |
2768 | hci_dev_lock(hdev); |
2769 | ||
2770 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); | |
2771 | if (ie) | |
2772 | memcpy(ie->data.dev_class, ev->dev_class, 3); | |
c7bdd502 | 2773 | |
70c46425 JH |
2774 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, |
2775 | &ev->bdaddr); | |
2776 | if (!conn) { | |
a5c4e309 JH |
2777 | conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr, |
2778 | HCI_ROLE_SLAVE); | |
a9de9248 | 2779 | if (!conn) { |
2064ee33 | 2780 | bt_dev_err(hdev, "no memory for new connection"); |
70c46425 JH |
2781 | hci_dev_unlock(hdev); |
2782 | return; | |
1da177e4 | 2783 | } |
70c46425 | 2784 | } |
b6a0dc82 | 2785 | |
70c46425 | 2786 | memcpy(conn->dev_class, ev->dev_class, 3); |
b6a0dc82 | 2787 | |
70c46425 | 2788 | hci_dev_unlock(hdev); |
1da177e4 | 2789 | |
70c46425 JH |
2790 | if (ev->link_type == ACL_LINK || |
2791 | (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { | |
2792 | struct hci_cp_accept_conn_req cp; | |
2793 | conn->state = BT_CONNECT; | |
1da177e4 | 2794 | |
70c46425 | 2795 | bacpy(&cp.bdaddr, &ev->bdaddr); |
b6a0dc82 | 2796 | |
70c46425 JH |
2797 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) |
2798 | cp.role = 0x00; /* Become master */ | |
2799 | else | |
2800 | cp.role = 0x01; /* Remain slave */ | |
b6a0dc82 | 2801 | |
70c46425 JH |
2802 | hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); |
2803 | } else if (!(flags & HCI_PROTO_DEFER)) { | |
2804 | struct hci_cp_accept_sync_conn_req cp; | |
2805 | conn->state = BT_CONNECT; | |
b6a0dc82 | 2806 | |
70c46425 JH |
2807 | bacpy(&cp.bdaddr, &ev->bdaddr); |
2808 | cp.pkt_type = cpu_to_le16(conn->pkt_type); | |
b6a0dc82 | 2809 | |
70c46425 JH |
2810 | cp.tx_bandwidth = cpu_to_le32(0x00001f40); |
2811 | cp.rx_bandwidth = cpu_to_le32(0x00001f40); | |
2812 | cp.max_latency = cpu_to_le16(0xffff); | |
2813 | cp.content_format = cpu_to_le16(hdev->voice_setting); | |
2814 | cp.retrans_effort = 0xff; | |
1da177e4 | 2815 | |
70c46425 JH |
2816 | hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp), |
2817 | &cp); | |
a9de9248 | 2818 | } else { |
70c46425 | 2819 | conn->state = BT_CONNECT2; |
539c496d | 2820 | hci_connect_cfm(conn, 0); |
1da177e4 | 2821 | } |
1da177e4 LT |
2822 | } |
2823 | ||
f0d6a0ea MA |
2824 | static u8 hci_to_mgmt_reason(u8 err) |
2825 | { | |
2826 | switch (err) { | |
2827 | case HCI_ERROR_CONNECTION_TIMEOUT: | |
2828 | return MGMT_DEV_DISCONN_TIMEOUT; | |
2829 | case HCI_ERROR_REMOTE_USER_TERM: | |
2830 | case HCI_ERROR_REMOTE_LOW_RESOURCES: | |
2831 | case HCI_ERROR_REMOTE_POWER_OFF: | |
2832 | return MGMT_DEV_DISCONN_REMOTE; | |
2833 | case HCI_ERROR_LOCAL_HOST_TERM: | |
2834 | return MGMT_DEV_DISCONN_LOCAL_HOST; | |
2835 | default: | |
2836 | return MGMT_DEV_DISCONN_UNKNOWN; | |
2837 | } | |
2838 | } | |
2839 | ||
6039aa73 | 2840 | static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 2841 | { |
a9de9248 | 2842 | struct hci_ev_disconn_complete *ev = (void *) skb->data; |
160b9251 | 2843 | u8 reason; |
9fcb18ef | 2844 | struct hci_conn_params *params; |
04837f64 | 2845 | struct hci_conn *conn; |
12d4a3b2 | 2846 | bool mgmt_connected; |
3846220b | 2847 | u8 type; |
04837f64 | 2848 | |
9f1db00c | 2849 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
2850 | |
2851 | hci_dev_lock(hdev); | |
2852 | ||
2853 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
f7520543 JH |
2854 | if (!conn) |
2855 | goto unlock; | |
7d0db0a3 | 2856 | |
abf54a50 AG |
2857 | if (ev->status) { |
2858 | mgmt_disconnect_failed(hdev, &conn->dst, conn->type, | |
2859 | conn->dst_type, ev->status); | |
2860 | goto unlock; | |
37d9ef76 | 2861 | } |
f7520543 | 2862 | |
3846220b AG |
2863 | conn->state = BT_CLOSED; |
2864 | ||
12d4a3b2 | 2865 | mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags); |
160b9251 SJ |
2866 | |
2867 | if (test_bit(HCI_CONN_AUTH_FAILURE, &conn->flags)) | |
2868 | reason = MGMT_DEV_DISCONN_AUTH_FAILURE; | |
2869 | else | |
2870 | reason = hci_to_mgmt_reason(ev->reason); | |
2871 | ||
12d4a3b2 JH |
2872 | mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type, |
2873 | reason, mgmt_connected); | |
abf54a50 | 2874 | |
22f433dc JH |
2875 | if (conn->type == ACL_LINK) { |
2876 | if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) | |
2877 | hci_remove_link_key(hdev, &conn->dst); | |
2878 | ||
01b1cb87 | 2879 | hci_req_update_scan(hdev); |
22f433dc | 2880 | } |
2210246c | 2881 | |
9fcb18ef AG |
2882 | params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); |
2883 | if (params) { | |
2884 | switch (params->auto_connect) { | |
2885 | case HCI_AUTO_CONN_LINK_LOSS: | |
2886 | if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT) | |
2887 | break; | |
19186c7b | 2888 | fallthrough; |
9fcb18ef | 2889 | |
4b9e7e75 | 2890 | case HCI_AUTO_CONN_DIRECT: |
9fcb18ef | 2891 | case HCI_AUTO_CONN_ALWAYS: |
418025d1 JH |
2892 | list_del_init(¶ms->action); |
2893 | list_add(¶ms->action, &hdev->pend_le_conns); | |
2894 | hci_update_background_scan(hdev); | |
9fcb18ef AG |
2895 | break; |
2896 | ||
2897 | default: | |
2898 | break; | |
2899 | } | |
2900 | } | |
2901 | ||
3846220b | 2902 | type = conn->type; |
2210246c | 2903 | |
3a6d576b | 2904 | hci_disconn_cfm(conn, ev->reason); |
3846220b AG |
2905 | hci_conn_del(conn); |
2906 | ||
4f40afc6 APS |
2907 | /* The suspend notifier is waiting for all devices to disconnect so |
2908 | * clear the bit from pending tasks and inform the wait queue. | |
2909 | */ | |
2910 | if (list_empty(&hdev->conn_hash.list) && | |
2911 | test_and_clear_bit(SUSPEND_DISCONNECTING, hdev->suspend_tasks)) { | |
2912 | wake_up(&hdev->suspend_wait_q); | |
2913 | } | |
2914 | ||
3846220b AG |
2915 | /* Re-enable advertising if necessary, since it might |
2916 | * have been disabled by the connection. From the | |
2917 | * HCI_LE_Set_Advertise_Enable command description in | |
2918 | * the core specification (v4.0): | |
2919 | * "The Controller shall continue advertising until the Host | |
2920 | * issues an LE_Set_Advertise_Enable command with | |
2921 | * Advertising_Enable set to 0x00 (Advertising is disabled) | |
2922 | * or until a connection is created or until the Advertising | |
2923 | * is timed out due to Directed Advertising." | |
2924 | */ | |
2925 | if (type == LE_LINK) | |
f2252570 | 2926 | hci_req_reenable_advertising(hdev); |
f7520543 JH |
2927 | |
2928 | unlock: | |
04837f64 MH |
2929 | hci_dev_unlock(hdev); |
2930 | } | |
2931 | ||
6039aa73 | 2932 | static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 2933 | { |
a9de9248 | 2934 | struct hci_ev_auth_complete *ev = (void *) skb->data; |
04837f64 | 2935 | struct hci_conn *conn; |
1da177e4 | 2936 | |
9f1db00c | 2937 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
2938 | |
2939 | hci_dev_lock(hdev); | |
2940 | ||
04837f64 | 2941 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
d7556e20 WR |
2942 | if (!conn) |
2943 | goto unlock; | |
2944 | ||
2945 | if (!ev->status) { | |
160b9251 SJ |
2946 | clear_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); |
2947 | ||
aa64a8b5 | 2948 | if (!hci_conn_ssp_enabled(conn) && |
807deac2 | 2949 | test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { |
2064ee33 | 2950 | bt_dev_info(hdev, "re-auth of legacy device is not possible."); |
2a611692 | 2951 | } else { |
4dae2798 | 2952 | set_bit(HCI_CONN_AUTH, &conn->flags); |
d7556e20 | 2953 | conn->sec_level = conn->pending_sec_level; |
2a611692 | 2954 | } |
d7556e20 | 2955 | } else { |
160b9251 SJ |
2956 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
2957 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); | |
2958 | ||
e1e930f5 | 2959 | mgmt_auth_failed(conn, ev->status); |
d7556e20 | 2960 | } |
1da177e4 | 2961 | |
51a8efd7 JH |
2962 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
2963 | clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); | |
1da177e4 | 2964 | |
d7556e20 | 2965 | if (conn->state == BT_CONFIG) { |
aa64a8b5 | 2966 | if (!ev->status && hci_conn_ssp_enabled(conn)) { |
d7556e20 WR |
2967 | struct hci_cp_set_conn_encrypt cp; |
2968 | cp.handle = ev->handle; | |
2969 | cp.encrypt = 0x01; | |
2970 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2971 | &cp); |
052b30b0 | 2972 | } else { |
d7556e20 | 2973 | conn->state = BT_CONNECTED; |
539c496d | 2974 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 2975 | hci_conn_drop(conn); |
052b30b0 | 2976 | } |
d7556e20 WR |
2977 | } else { |
2978 | hci_auth_cfm(conn, ev->status); | |
052b30b0 | 2979 | |
d7556e20 WR |
2980 | hci_conn_hold(conn); |
2981 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 2982 | hci_conn_drop(conn); |
d7556e20 WR |
2983 | } |
2984 | ||
51a8efd7 | 2985 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { |
d7556e20 WR |
2986 | if (!ev->status) { |
2987 | struct hci_cp_set_conn_encrypt cp; | |
2988 | cp.handle = ev->handle; | |
2989 | cp.encrypt = 0x01; | |
2990 | hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), | |
807deac2 | 2991 | &cp); |
d7556e20 | 2992 | } else { |
51a8efd7 | 2993 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
3ca44c16 | 2994 | hci_encrypt_cfm(conn, ev->status); |
1da177e4 LT |
2995 | } |
2996 | } | |
2997 | ||
d7556e20 | 2998 | unlock: |
1da177e4 LT |
2999 | hci_dev_unlock(hdev); |
3000 | } | |
3001 | ||
6039aa73 | 3002 | static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 3003 | { |
127178d2 JH |
3004 | struct hci_ev_remote_name *ev = (void *) skb->data; |
3005 | struct hci_conn *conn; | |
3006 | ||
a9de9248 | 3007 | BT_DBG("%s", hdev->name); |
1da177e4 | 3008 | |
a9de9248 | 3009 | hci_conn_check_pending(hdev); |
127178d2 JH |
3010 | |
3011 | hci_dev_lock(hdev); | |
3012 | ||
b644ba33 | 3013 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
30dc78e1 | 3014 | |
d7a5a11d | 3015 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
b644ba33 | 3016 | goto check_auth; |
a88a9652 | 3017 | |
b644ba33 JH |
3018 | if (ev->status == 0) |
3019 | hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name, | |
04124681 | 3020 | strnlen(ev->name, HCI_MAX_NAME_LENGTH)); |
b644ba33 JH |
3021 | else |
3022 | hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0); | |
3023 | ||
3024 | check_auth: | |
79c6c70c JH |
3025 | if (!conn) |
3026 | goto unlock; | |
3027 | ||
3028 | if (!hci_outgoing_auth_needed(hdev, conn)) | |
3029 | goto unlock; | |
3030 | ||
51a8efd7 | 3031 | if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { |
127178d2 | 3032 | struct hci_cp_auth_requested cp; |
977f8fce JH |
3033 | |
3034 | set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); | |
3035 | ||
127178d2 JH |
3036 | cp.handle = __cpu_to_le16(conn->handle); |
3037 | hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp); | |
3038 | } | |
3039 | ||
79c6c70c | 3040 | unlock: |
127178d2 | 3041 | hci_dev_unlock(hdev); |
a9de9248 MH |
3042 | } |
3043 | ||
821f3766 JH |
3044 | static void read_enc_key_size_complete(struct hci_dev *hdev, u8 status, |
3045 | u16 opcode, struct sk_buff *skb) | |
3046 | { | |
3047 | const struct hci_rp_read_enc_key_size *rp; | |
3048 | struct hci_conn *conn; | |
3049 | u16 handle; | |
3050 | ||
3051 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
3052 | ||
3053 | if (!skb || skb->len < sizeof(*rp)) { | |
2064ee33 | 3054 | bt_dev_err(hdev, "invalid read key size response"); |
821f3766 JH |
3055 | return; |
3056 | } | |
3057 | ||
3058 | rp = (void *)skb->data; | |
3059 | handle = le16_to_cpu(rp->handle); | |
3060 | ||
3061 | hci_dev_lock(hdev); | |
3062 | ||
3063 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
3064 | if (!conn) | |
3065 | goto unlock; | |
3066 | ||
32b50729 AM |
3067 | /* While unexpected, the read_enc_key_size command may fail. The most |
3068 | * secure approach is to then assume the key size is 0 to force a | |
3069 | * disconnection. | |
821f3766 JH |
3070 | */ |
3071 | if (rp->status) { | |
2064ee33 MH |
3072 | bt_dev_err(hdev, "failed to read key size for handle %u", |
3073 | handle); | |
32b50729 | 3074 | conn->enc_key_size = 0; |
821f3766 JH |
3075 | } else { |
3076 | conn->enc_key_size = rp->key_size; | |
3077 | } | |
3078 | ||
3ca44c16 | 3079 | hci_encrypt_cfm(conn, 0); |
821f3766 JH |
3080 | |
3081 | unlock: | |
3082 | hci_dev_unlock(hdev); | |
3083 | } | |
3084 | ||
6039aa73 | 3085 | static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3086 | { |
3087 | struct hci_ev_encrypt_change *ev = (void *) skb->data; | |
3088 | struct hci_conn *conn; | |
3089 | ||
9f1db00c | 3090 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3091 | |
3092 | hci_dev_lock(hdev); | |
3093 | ||
04837f64 | 3094 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
dc8357cc MH |
3095 | if (!conn) |
3096 | goto unlock; | |
1da177e4 | 3097 | |
dc8357cc MH |
3098 | if (!ev->status) { |
3099 | if (ev->encrypt) { | |
3100 | /* Encryption implies authentication */ | |
4dae2798 JH |
3101 | set_bit(HCI_CONN_AUTH, &conn->flags); |
3102 | set_bit(HCI_CONN_ENCRYPT, &conn->flags); | |
dc8357cc | 3103 | conn->sec_level = conn->pending_sec_level; |
abf76bad | 3104 | |
914a6ffe MH |
3105 | /* P-256 authentication key implies FIPS */ |
3106 | if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256) | |
4dae2798 | 3107 | set_bit(HCI_CONN_FIPS, &conn->flags); |
914a6ffe | 3108 | |
abf76bad MH |
3109 | if ((conn->type == ACL_LINK && ev->encrypt == 0x02) || |
3110 | conn->type == LE_LINK) | |
3111 | set_bit(HCI_CONN_AES_CCM, &conn->flags); | |
3112 | } else { | |
4dae2798 | 3113 | clear_bit(HCI_CONN_ENCRYPT, &conn->flags); |
abf76bad MH |
3114 | clear_bit(HCI_CONN_AES_CCM, &conn->flags); |
3115 | } | |
dc8357cc | 3116 | } |
a7d7723a | 3117 | |
7ed3fa20 JH |
3118 | /* We should disregard the current RPA and generate a new one |
3119 | * whenever the encryption procedure fails. | |
3120 | */ | |
a73c046a | 3121 | if (ev->status && conn->type == LE_LINK) { |
a1536da2 | 3122 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
a73c046a JK |
3123 | hci_adv_instances_set_rpa_expired(hdev, true); |
3124 | } | |
7ed3fa20 | 3125 | |
dc8357cc | 3126 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); |
f8558555 | 3127 | |
8746f135 LAD |
3128 | /* Check link security requirements are met */ |
3129 | if (!hci_conn_check_link_mode(conn)) | |
3130 | ev->status = HCI_ERROR_AUTH_FAILURE; | |
3131 | ||
dc8357cc | 3132 | if (ev->status && conn->state == BT_CONNECTED) { |
160b9251 SJ |
3133 | if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) |
3134 | set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); | |
3135 | ||
8746f135 LAD |
3136 | /* Notify upper layers so they can cleanup before |
3137 | * disconnecting. | |
3138 | */ | |
3139 | hci_encrypt_cfm(conn, ev->status); | |
dc8357cc MH |
3140 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
3141 | hci_conn_drop(conn); | |
3142 | goto unlock; | |
1da177e4 LT |
3143 | } |
3144 | ||
821f3766 JH |
3145 | /* Try reading the encryption key size for encrypted ACL links */ |
3146 | if (!ev->status && ev->encrypt && conn->type == ACL_LINK) { | |
3147 | struct hci_cp_read_enc_key_size cp; | |
3148 | struct hci_request req; | |
3149 | ||
3150 | /* Only send HCI_Read_Encryption_Key_Size if the | |
3151 | * controller really supports it. If it doesn't, assume | |
3152 | * the default size (16). | |
3153 | */ | |
3154 | if (!(hdev->commands[20] & 0x10)) { | |
3155 | conn->enc_key_size = HCI_LINK_KEY_SIZE; | |
3156 | goto notify; | |
3157 | } | |
3158 | ||
3159 | hci_req_init(&req, hdev); | |
3160 | ||
3161 | cp.handle = cpu_to_le16(conn->handle); | |
3162 | hci_req_add(&req, HCI_OP_READ_ENC_KEY_SIZE, sizeof(cp), &cp); | |
3163 | ||
3164 | if (hci_req_run_skb(&req, read_enc_key_size_complete)) { | |
2064ee33 | 3165 | bt_dev_err(hdev, "sending read key size failed"); |
821f3766 JH |
3166 | conn->enc_key_size = HCI_LINK_KEY_SIZE; |
3167 | goto notify; | |
3168 | } | |
3169 | ||
3170 | goto unlock; | |
3171 | } | |
3172 | ||
302975cb SRK |
3173 | /* Set the default Authenticated Payload Timeout after |
3174 | * an LE Link is established. As per Core Spec v5.0, Vol 2, Part B | |
3175 | * Section 3.3, the HCI command WRITE_AUTH_PAYLOAD_TIMEOUT should be | |
3176 | * sent when the link is active and Encryption is enabled, the conn | |
3177 | * type can be either LE or ACL and controller must support LMP Ping. | |
3178 | * Ensure for AES-CCM encryption as well. | |
3179 | */ | |
3180 | if (test_bit(HCI_CONN_ENCRYPT, &conn->flags) && | |
3181 | test_bit(HCI_CONN_AES_CCM, &conn->flags) && | |
3182 | ((conn->type == ACL_LINK && lmp_ping_capable(hdev)) || | |
3183 | (conn->type == LE_LINK && (hdev->le_features[0] & HCI_LE_PING)))) { | |
3184 | struct hci_cp_write_auth_payload_to cp; | |
3185 | ||
3186 | cp.handle = cpu_to_le16(conn->handle); | |
3187 | cp.timeout = cpu_to_le16(hdev->auth_payload_timeout); | |
3188 | hci_send_cmd(conn->hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO, | |
3189 | sizeof(cp), &cp); | |
3190 | } | |
3191 | ||
821f3766 | 3192 | notify: |
3ca44c16 | 3193 | hci_encrypt_cfm(conn, ev->status); |
dc8357cc | 3194 | |
a7d7723a | 3195 | unlock: |
1da177e4 LT |
3196 | hci_dev_unlock(hdev); |
3197 | } | |
3198 | ||
6039aa73 GP |
3199 | static void hci_change_link_key_complete_evt(struct hci_dev *hdev, |
3200 | struct sk_buff *skb) | |
1da177e4 | 3201 | { |
a9de9248 | 3202 | struct hci_ev_change_link_key_complete *ev = (void *) skb->data; |
04837f64 | 3203 | struct hci_conn *conn; |
1da177e4 | 3204 | |
9f1db00c | 3205 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
3206 | |
3207 | hci_dev_lock(hdev); | |
3208 | ||
04837f64 | 3209 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
3210 | if (conn) { |
3211 | if (!ev->status) | |
4dae2798 | 3212 | set_bit(HCI_CONN_SECURE, &conn->flags); |
1da177e4 | 3213 | |
51a8efd7 | 3214 | clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); |
1da177e4 LT |
3215 | |
3216 | hci_key_change_cfm(conn, ev->status); | |
3217 | } | |
3218 | ||
3219 | hci_dev_unlock(hdev); | |
3220 | } | |
3221 | ||
6039aa73 GP |
3222 | static void hci_remote_features_evt(struct hci_dev *hdev, |
3223 | struct sk_buff *skb) | |
1da177e4 | 3224 | { |
a9de9248 MH |
3225 | struct hci_ev_remote_features *ev = (void *) skb->data; |
3226 | struct hci_conn *conn; | |
3227 | ||
9f1db00c | 3228 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 | 3229 | |
a9de9248 MH |
3230 | hci_dev_lock(hdev); |
3231 | ||
3232 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
3233 | if (!conn) |
3234 | goto unlock; | |
769be974 | 3235 | |
ccd556fe | 3236 | if (!ev->status) |
cad718ed | 3237 | memcpy(conn->features[0], ev->features, 8); |
ccd556fe JH |
3238 | |
3239 | if (conn->state != BT_CONFIG) | |
3240 | goto unlock; | |
3241 | ||
ac363cf9 SJ |
3242 | if (!ev->status && lmp_ext_feat_capable(hdev) && |
3243 | lmp_ext_feat_capable(conn)) { | |
ccd556fe JH |
3244 | struct hci_cp_read_remote_ext_features cp; |
3245 | cp.handle = ev->handle; | |
3246 | cp.page = 0x01; | |
3247 | hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES, | |
807deac2 | 3248 | sizeof(cp), &cp); |
392599b9 JH |
3249 | goto unlock; |
3250 | } | |
3251 | ||
671267bf | 3252 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
3253 | struct hci_cp_remote_name_req cp; |
3254 | memset(&cp, 0, sizeof(cp)); | |
3255 | bacpy(&cp.bdaddr, &conn->dst); | |
3256 | cp.pscan_rep_mode = 0x02; | |
3257 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 3258 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
1c6ed31b | 3259 | mgmt_device_connected(hdev, conn, NULL, 0); |
392599b9 | 3260 | |
127178d2 | 3261 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 3262 | conn->state = BT_CONNECTED; |
539c496d | 3263 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 3264 | hci_conn_drop(conn); |
769be974 | 3265 | } |
a9de9248 | 3266 | |
ccd556fe | 3267 | unlock: |
a9de9248 | 3268 | hci_dev_unlock(hdev); |
1da177e4 LT |
3269 | } |
3270 | ||
de75cd0d MM |
3271 | static inline void handle_cmd_cnt_and_timer(struct hci_dev *hdev, |
3272 | u16 opcode, u8 ncmd) | |
3273 | { | |
3274 | if (opcode != HCI_OP_NOP) | |
3275 | cancel_delayed_work(&hdev->cmd_timer); | |
3276 | ||
3277 | if (!test_bit(HCI_RESET, &hdev->flags)) { | |
3278 | if (ncmd) { | |
3279 | cancel_delayed_work(&hdev->ncmd_timer); | |
3280 | atomic_set(&hdev->cmd_cnt, 1); | |
3281 | } else { | |
3282 | schedule_delayed_work(&hdev->ncmd_timer, | |
3283 | HCI_NCMD_TIMEOUT); | |
3284 | } | |
3285 | } | |
3286 | } | |
3287 | ||
e6214487 JH |
3288 | static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3289 | u16 *opcode, u8 *status, | |
3290 | hci_req_complete_t *req_complete, | |
3291 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3292 | { |
3293 | struct hci_ev_cmd_complete *ev = (void *) skb->data; | |
a9de9248 | 3294 | |
e6214487 JH |
3295 | *opcode = __le16_to_cpu(ev->opcode); |
3296 | *status = skb->data[sizeof(*ev)]; | |
a9de9248 | 3297 | |
e6214487 | 3298 | skb_pull(skb, sizeof(*ev)); |
a9de9248 | 3299 | |
e6214487 | 3300 | switch (*opcode) { |
a9de9248 | 3301 | case HCI_OP_INQUIRY_CANCEL: |
adf1d692 | 3302 | hci_cc_inquiry_cancel(hdev, skb, status); |
a9de9248 MH |
3303 | break; |
3304 | ||
4d93483b AG |
3305 | case HCI_OP_PERIODIC_INQ: |
3306 | hci_cc_periodic_inq(hdev, skb); | |
3307 | break; | |
3308 | ||
a9de9248 MH |
3309 | case HCI_OP_EXIT_PERIODIC_INQ: |
3310 | hci_cc_exit_periodic_inq(hdev, skb); | |
3311 | break; | |
3312 | ||
3313 | case HCI_OP_REMOTE_NAME_REQ_CANCEL: | |
3314 | hci_cc_remote_name_req_cancel(hdev, skb); | |
3315 | break; | |
3316 | ||
3317 | case HCI_OP_ROLE_DISCOVERY: | |
3318 | hci_cc_role_discovery(hdev, skb); | |
3319 | break; | |
3320 | ||
e4e8e37c MH |
3321 | case HCI_OP_READ_LINK_POLICY: |
3322 | hci_cc_read_link_policy(hdev, skb); | |
3323 | break; | |
3324 | ||
a9de9248 MH |
3325 | case HCI_OP_WRITE_LINK_POLICY: |
3326 | hci_cc_write_link_policy(hdev, skb); | |
3327 | break; | |
3328 | ||
e4e8e37c MH |
3329 | case HCI_OP_READ_DEF_LINK_POLICY: |
3330 | hci_cc_read_def_link_policy(hdev, skb); | |
3331 | break; | |
3332 | ||
3333 | case HCI_OP_WRITE_DEF_LINK_POLICY: | |
3334 | hci_cc_write_def_link_policy(hdev, skb); | |
3335 | break; | |
3336 | ||
a9de9248 MH |
3337 | case HCI_OP_RESET: |
3338 | hci_cc_reset(hdev, skb); | |
3339 | break; | |
3340 | ||
c2f0f979 MH |
3341 | case HCI_OP_READ_STORED_LINK_KEY: |
3342 | hci_cc_read_stored_link_key(hdev, skb); | |
3343 | break; | |
3344 | ||
a9366120 MH |
3345 | case HCI_OP_DELETE_STORED_LINK_KEY: |
3346 | hci_cc_delete_stored_link_key(hdev, skb); | |
3347 | break; | |
3348 | ||
a9de9248 MH |
3349 | case HCI_OP_WRITE_LOCAL_NAME: |
3350 | hci_cc_write_local_name(hdev, skb); | |
3351 | break; | |
3352 | ||
3353 | case HCI_OP_READ_LOCAL_NAME: | |
3354 | hci_cc_read_local_name(hdev, skb); | |
3355 | break; | |
3356 | ||
3357 | case HCI_OP_WRITE_AUTH_ENABLE: | |
3358 | hci_cc_write_auth_enable(hdev, skb); | |
3359 | break; | |
3360 | ||
3361 | case HCI_OP_WRITE_ENCRYPT_MODE: | |
3362 | hci_cc_write_encrypt_mode(hdev, skb); | |
3363 | break; | |
3364 | ||
3365 | case HCI_OP_WRITE_SCAN_ENABLE: | |
3366 | hci_cc_write_scan_enable(hdev, skb); | |
3367 | break; | |
3368 | ||
e5b0ad69 APS |
3369 | case HCI_OP_SET_EVENT_FLT: |
3370 | hci_cc_set_event_filter(hdev, skb); | |
3371 | break; | |
3372 | ||
a9de9248 MH |
3373 | case HCI_OP_READ_CLASS_OF_DEV: |
3374 | hci_cc_read_class_of_dev(hdev, skb); | |
3375 | break; | |
3376 | ||
3377 | case HCI_OP_WRITE_CLASS_OF_DEV: | |
3378 | hci_cc_write_class_of_dev(hdev, skb); | |
3379 | break; | |
3380 | ||
3381 | case HCI_OP_READ_VOICE_SETTING: | |
3382 | hci_cc_read_voice_setting(hdev, skb); | |
3383 | break; | |
3384 | ||
3385 | case HCI_OP_WRITE_VOICE_SETTING: | |
3386 | hci_cc_write_voice_setting(hdev, skb); | |
3387 | break; | |
3388 | ||
b4cb9fb2 MH |
3389 | case HCI_OP_READ_NUM_SUPPORTED_IAC: |
3390 | hci_cc_read_num_supported_iac(hdev, skb); | |
3391 | break; | |
3392 | ||
333140b5 MH |
3393 | case HCI_OP_WRITE_SSP_MODE: |
3394 | hci_cc_write_ssp_mode(hdev, skb); | |
3395 | break; | |
3396 | ||
eac83dc6 MH |
3397 | case HCI_OP_WRITE_SC_SUPPORT: |
3398 | hci_cc_write_sc_support(hdev, skb); | |
3399 | break; | |
3400 | ||
302975cb SRK |
3401 | case HCI_OP_READ_AUTH_PAYLOAD_TO: |
3402 | hci_cc_read_auth_payload_timeout(hdev, skb); | |
3403 | break; | |
3404 | ||
3405 | case HCI_OP_WRITE_AUTH_PAYLOAD_TO: | |
3406 | hci_cc_write_auth_payload_timeout(hdev, skb); | |
3407 | break; | |
3408 | ||
a9de9248 MH |
3409 | case HCI_OP_READ_LOCAL_VERSION: |
3410 | hci_cc_read_local_version(hdev, skb); | |
3411 | break; | |
3412 | ||
3413 | case HCI_OP_READ_LOCAL_COMMANDS: | |
3414 | hci_cc_read_local_commands(hdev, skb); | |
3415 | break; | |
3416 | ||
3417 | case HCI_OP_READ_LOCAL_FEATURES: | |
3418 | hci_cc_read_local_features(hdev, skb); | |
3419 | break; | |
3420 | ||
971e3a4b AG |
3421 | case HCI_OP_READ_LOCAL_EXT_FEATURES: |
3422 | hci_cc_read_local_ext_features(hdev, skb); | |
3423 | break; | |
3424 | ||
a9de9248 MH |
3425 | case HCI_OP_READ_BUFFER_SIZE: |
3426 | hci_cc_read_buffer_size(hdev, skb); | |
3427 | break; | |
3428 | ||
3429 | case HCI_OP_READ_BD_ADDR: | |
3430 | hci_cc_read_bd_addr(hdev, skb); | |
3431 | break; | |
3432 | ||
a4790360 MH |
3433 | case HCI_OP_READ_LOCAL_PAIRING_OPTS: |
3434 | hci_cc_read_local_pairing_opts(hdev, skb); | |
3435 | break; | |
3436 | ||
f332ec66 JH |
3437 | case HCI_OP_READ_PAGE_SCAN_ACTIVITY: |
3438 | hci_cc_read_page_scan_activity(hdev, skb); | |
3439 | break; | |
3440 | ||
4a3ee763 JH |
3441 | case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: |
3442 | hci_cc_write_page_scan_activity(hdev, skb); | |
3443 | break; | |
3444 | ||
f332ec66 JH |
3445 | case HCI_OP_READ_PAGE_SCAN_TYPE: |
3446 | hci_cc_read_page_scan_type(hdev, skb); | |
3447 | break; | |
3448 | ||
4a3ee763 JH |
3449 | case HCI_OP_WRITE_PAGE_SCAN_TYPE: |
3450 | hci_cc_write_page_scan_type(hdev, skb); | |
3451 | break; | |
3452 | ||
350ee4cf AE |
3453 | case HCI_OP_READ_DATA_BLOCK_SIZE: |
3454 | hci_cc_read_data_block_size(hdev, skb); | |
3455 | break; | |
3456 | ||
1e89cffb AE |
3457 | case HCI_OP_READ_FLOW_CONTROL_MODE: |
3458 | hci_cc_read_flow_control_mode(hdev, skb); | |
3459 | break; | |
3460 | ||
928abaa7 AE |
3461 | case HCI_OP_READ_LOCAL_AMP_INFO: |
3462 | hci_cc_read_local_amp_info(hdev, skb); | |
3463 | break; | |
3464 | ||
33f35721 JH |
3465 | case HCI_OP_READ_CLOCK: |
3466 | hci_cc_read_clock(hdev, skb); | |
3467 | break; | |
3468 | ||
d5859e22 JH |
3469 | case HCI_OP_READ_INQ_RSP_TX_POWER: |
3470 | hci_cc_read_inq_rsp_tx_power(hdev, skb); | |
3471 | break; | |
3472 | ||
00bce3fb AM |
3473 | case HCI_OP_READ_DEF_ERR_DATA_REPORTING: |
3474 | hci_cc_read_def_err_data_reporting(hdev, skb); | |
3475 | break; | |
3476 | ||
3477 | case HCI_OP_WRITE_DEF_ERR_DATA_REPORTING: | |
3478 | hci_cc_write_def_err_data_reporting(hdev, skb); | |
3479 | break; | |
3480 | ||
980e1a53 JH |
3481 | case HCI_OP_PIN_CODE_REPLY: |
3482 | hci_cc_pin_code_reply(hdev, skb); | |
3483 | break; | |
3484 | ||
3485 | case HCI_OP_PIN_CODE_NEG_REPLY: | |
3486 | hci_cc_pin_code_neg_reply(hdev, skb); | |
3487 | break; | |
3488 | ||
c35938b2 | 3489 | case HCI_OP_READ_LOCAL_OOB_DATA: |
4d2d2796 MH |
3490 | hci_cc_read_local_oob_data(hdev, skb); |
3491 | break; | |
3492 | ||
3493 | case HCI_OP_READ_LOCAL_OOB_EXT_DATA: | |
3494 | hci_cc_read_local_oob_ext_data(hdev, skb); | |
c35938b2 SJ |
3495 | break; |
3496 | ||
6ed58ec5 VT |
3497 | case HCI_OP_LE_READ_BUFFER_SIZE: |
3498 | hci_cc_le_read_buffer_size(hdev, skb); | |
3499 | break; | |
3500 | ||
60e77321 JH |
3501 | case HCI_OP_LE_READ_LOCAL_FEATURES: |
3502 | hci_cc_le_read_local_features(hdev, skb); | |
3503 | break; | |
3504 | ||
8fa19098 JH |
3505 | case HCI_OP_LE_READ_ADV_TX_POWER: |
3506 | hci_cc_le_read_adv_tx_power(hdev, skb); | |
3507 | break; | |
3508 | ||
a5c29683 JH |
3509 | case HCI_OP_USER_CONFIRM_REPLY: |
3510 | hci_cc_user_confirm_reply(hdev, skb); | |
3511 | break; | |
3512 | ||
3513 | case HCI_OP_USER_CONFIRM_NEG_REPLY: | |
3514 | hci_cc_user_confirm_neg_reply(hdev, skb); | |
3515 | break; | |
3516 | ||
1143d458 BG |
3517 | case HCI_OP_USER_PASSKEY_REPLY: |
3518 | hci_cc_user_passkey_reply(hdev, skb); | |
3519 | break; | |
3520 | ||
3521 | case HCI_OP_USER_PASSKEY_NEG_REPLY: | |
3522 | hci_cc_user_passkey_neg_reply(hdev, skb); | |
16cde993 | 3523 | break; |
07f7fa5d | 3524 | |
7a4cd51d MH |
3525 | case HCI_OP_LE_SET_RANDOM_ADDR: |
3526 | hci_cc_le_set_random_addr(hdev, skb); | |
3527 | break; | |
3528 | ||
c1d5dc4a JH |
3529 | case HCI_OP_LE_SET_ADV_ENABLE: |
3530 | hci_cc_le_set_adv_enable(hdev, skb); | |
3531 | break; | |
3532 | ||
533553f8 MH |
3533 | case HCI_OP_LE_SET_SCAN_PARAM: |
3534 | hci_cc_le_set_scan_param(hdev, skb); | |
3535 | break; | |
3536 | ||
eb9d91f5 AG |
3537 | case HCI_OP_LE_SET_SCAN_ENABLE: |
3538 | hci_cc_le_set_scan_enable(hdev, skb); | |
3539 | break; | |
3540 | ||
cf1d081f JH |
3541 | case HCI_OP_LE_READ_WHITE_LIST_SIZE: |
3542 | hci_cc_le_read_white_list_size(hdev, skb); | |
3543 | break; | |
3544 | ||
0f36b589 MH |
3545 | case HCI_OP_LE_CLEAR_WHITE_LIST: |
3546 | hci_cc_le_clear_white_list(hdev, skb); | |
3547 | break; | |
3548 | ||
3549 | case HCI_OP_LE_ADD_TO_WHITE_LIST: | |
3550 | hci_cc_le_add_to_white_list(hdev, skb); | |
3551 | break; | |
3552 | ||
3553 | case HCI_OP_LE_DEL_FROM_WHITE_LIST: | |
3554 | hci_cc_le_del_from_white_list(hdev, skb); | |
3555 | break; | |
3556 | ||
9b008c04 JH |
3557 | case HCI_OP_LE_READ_SUPPORTED_STATES: |
3558 | hci_cc_le_read_supported_states(hdev, skb); | |
3559 | break; | |
3560 | ||
a8e1bfaa MH |
3561 | case HCI_OP_LE_READ_DEF_DATA_LEN: |
3562 | hci_cc_le_read_def_data_len(hdev, skb); | |
3563 | break; | |
3564 | ||
3565 | case HCI_OP_LE_WRITE_DEF_DATA_LEN: | |
3566 | hci_cc_le_write_def_data_len(hdev, skb); | |
3567 | break; | |
3568 | ||
b950aa88 AN |
3569 | case HCI_OP_LE_ADD_TO_RESOLV_LIST: |
3570 | hci_cc_le_add_to_resolv_list(hdev, skb); | |
3571 | break; | |
3572 | ||
3573 | case HCI_OP_LE_DEL_FROM_RESOLV_LIST: | |
3574 | hci_cc_le_del_from_resolv_list(hdev, skb); | |
3575 | break; | |
3576 | ||
545f2596 AN |
3577 | case HCI_OP_LE_CLEAR_RESOLV_LIST: |
3578 | hci_cc_le_clear_resolv_list(hdev, skb); | |
3579 | break; | |
3580 | ||
cfdb0c2d AN |
3581 | case HCI_OP_LE_READ_RESOLV_LIST_SIZE: |
3582 | hci_cc_le_read_resolv_list_size(hdev, skb); | |
3583 | break; | |
3584 | ||
aa12af77 AN |
3585 | case HCI_OP_LE_SET_ADDR_RESOLV_ENABLE: |
3586 | hci_cc_le_set_addr_resolution_enable(hdev, skb); | |
3587 | break; | |
3588 | ||
a8e1bfaa MH |
3589 | case HCI_OP_LE_READ_MAX_DATA_LEN: |
3590 | hci_cc_le_read_max_data_len(hdev, skb); | |
3591 | break; | |
3592 | ||
f9b49306 AG |
3593 | case HCI_OP_WRITE_LE_HOST_SUPPORTED: |
3594 | hci_cc_write_le_host_supported(hdev, skb); | |
3595 | break; | |
3596 | ||
56ed2cb8 JH |
3597 | case HCI_OP_LE_SET_ADV_PARAM: |
3598 | hci_cc_set_adv_param(hdev, skb); | |
3599 | break; | |
3600 | ||
5ae76a94 AK |
3601 | case HCI_OP_READ_RSSI: |
3602 | hci_cc_read_rssi(hdev, skb); | |
3603 | break; | |
3604 | ||
5a134fae AK |
3605 | case HCI_OP_READ_TX_POWER: |
3606 | hci_cc_read_tx_power(hdev, skb); | |
3607 | break; | |
3608 | ||
c50b33c8 MH |
3609 | case HCI_OP_WRITE_SSP_DEBUG_MODE: |
3610 | hci_cc_write_ssp_debug_mode(hdev, skb); | |
3611 | break; | |
3612 | ||
a2344b9e JK |
3613 | case HCI_OP_LE_SET_EXT_SCAN_PARAMS: |
3614 | hci_cc_le_set_ext_scan_param(hdev, skb); | |
3615 | break; | |
3616 | ||
3617 | case HCI_OP_LE_SET_EXT_SCAN_ENABLE: | |
3618 | hci_cc_le_set_ext_scan_enable(hdev, skb); | |
3619 | break; | |
3620 | ||
0314f286 JK |
3621 | case HCI_OP_LE_SET_DEFAULT_PHY: |
3622 | hci_cc_le_set_default_phy(hdev, skb); | |
3623 | break; | |
3624 | ||
6b49bcb4 JK |
3625 | case HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS: |
3626 | hci_cc_le_read_num_adv_sets(hdev, skb); | |
3627 | break; | |
3628 | ||
de181e88 JK |
3629 | case HCI_OP_LE_SET_EXT_ADV_PARAMS: |
3630 | hci_cc_set_ext_adv_param(hdev, skb); | |
3631 | break; | |
3632 | ||
3633 | case HCI_OP_LE_SET_EXT_ADV_ENABLE: | |
3634 | hci_cc_le_set_ext_adv_enable(hdev, skb); | |
3635 | break; | |
3636 | ||
a73c046a JK |
3637 | case HCI_OP_LE_SET_ADV_SET_RAND_ADDR: |
3638 | hci_cc_le_set_adv_set_random_addr(hdev, skb); | |
3639 | break; | |
3640 | ||
7c395ea5 DW |
3641 | case HCI_OP_LE_READ_TRANSMIT_POWER: |
3642 | hci_cc_le_read_transmit_power(hdev, skb); | |
3643 | break; | |
3644 | ||
a9de9248 | 3645 | default: |
e6214487 | 3646 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3647 | break; |
3648 | } | |
3649 | ||
de75cd0d | 3650 | handle_cmd_cnt_and_timer(hdev, *opcode, ev->ncmd); |
600b2150 | 3651 | |
e6214487 JH |
3652 | hci_req_cmd_complete(hdev, *opcode, *status, req_complete, |
3653 | req_complete_skb); | |
9238f36a | 3654 | |
f80c5dad JPRV |
3655 | if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) { |
3656 | bt_dev_err(hdev, | |
3657 | "unexpected event for opcode 0x%4.4x", *opcode); | |
3658 | return; | |
3659 | } | |
3660 | ||
600b2150 JH |
3661 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3662 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3663 | } |
3664 | ||
e6214487 JH |
3665 | static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, |
3666 | u16 *opcode, u8 *status, | |
3667 | hci_req_complete_t *req_complete, | |
3668 | hci_req_complete_skb_t *req_complete_skb) | |
a9de9248 MH |
3669 | { |
3670 | struct hci_ev_cmd_status *ev = (void *) skb->data; | |
a9de9248 MH |
3671 | |
3672 | skb_pull(skb, sizeof(*ev)); | |
3673 | ||
e6214487 JH |
3674 | *opcode = __le16_to_cpu(ev->opcode); |
3675 | *status = ev->status; | |
a9de9248 | 3676 | |
e6214487 | 3677 | switch (*opcode) { |
a9de9248 MH |
3678 | case HCI_OP_INQUIRY: |
3679 | hci_cs_inquiry(hdev, ev->status); | |
3680 | break; | |
3681 | ||
3682 | case HCI_OP_CREATE_CONN: | |
3683 | hci_cs_create_conn(hdev, ev->status); | |
3684 | break; | |
3685 | ||
9645c76c KP |
3686 | case HCI_OP_DISCONNECT: |
3687 | hci_cs_disconnect(hdev, ev->status); | |
3688 | break; | |
3689 | ||
a9de9248 MH |
3690 | case HCI_OP_ADD_SCO: |
3691 | hci_cs_add_sco(hdev, ev->status); | |
3692 | break; | |
3693 | ||
f8558555 MH |
3694 | case HCI_OP_AUTH_REQUESTED: |
3695 | hci_cs_auth_requested(hdev, ev->status); | |
3696 | break; | |
3697 | ||
3698 | case HCI_OP_SET_CONN_ENCRYPT: | |
3699 | hci_cs_set_conn_encrypt(hdev, ev->status); | |
3700 | break; | |
3701 | ||
a9de9248 MH |
3702 | case HCI_OP_REMOTE_NAME_REQ: |
3703 | hci_cs_remote_name_req(hdev, ev->status); | |
3704 | break; | |
3705 | ||
769be974 MH |
3706 | case HCI_OP_READ_REMOTE_FEATURES: |
3707 | hci_cs_read_remote_features(hdev, ev->status); | |
3708 | break; | |
3709 | ||
3710 | case HCI_OP_READ_REMOTE_EXT_FEATURES: | |
3711 | hci_cs_read_remote_ext_features(hdev, ev->status); | |
3712 | break; | |
3713 | ||
a9de9248 MH |
3714 | case HCI_OP_SETUP_SYNC_CONN: |
3715 | hci_cs_setup_sync_conn(hdev, ev->status); | |
3716 | break; | |
3717 | ||
3718 | case HCI_OP_SNIFF_MODE: | |
3719 | hci_cs_sniff_mode(hdev, ev->status); | |
3720 | break; | |
3721 | ||
3722 | case HCI_OP_EXIT_SNIFF_MODE: | |
3723 | hci_cs_exit_sniff_mode(hdev, ev->status); | |
3724 | break; | |
3725 | ||
50fc85f1 KP |
3726 | case HCI_OP_SWITCH_ROLE: |
3727 | hci_cs_switch_role(hdev, ev->status); | |
3728 | break; | |
3729 | ||
cb1d68f7 JH |
3730 | case HCI_OP_LE_CREATE_CONN: |
3731 | hci_cs_le_create_conn(hdev, ev->status); | |
3732 | break; | |
3733 | ||
0fe29fd1 MH |
3734 | case HCI_OP_LE_READ_REMOTE_FEATURES: |
3735 | hci_cs_le_read_remote_features(hdev, ev->status); | |
3736 | break; | |
3737 | ||
81d0c8ad JH |
3738 | case HCI_OP_LE_START_ENC: |
3739 | hci_cs_le_start_enc(hdev, ev->status); | |
3740 | break; | |
3741 | ||
4d94f95d JK |
3742 | case HCI_OP_LE_EXT_CREATE_CONN: |
3743 | hci_cs_le_ext_create_conn(hdev, ev->status); | |
3744 | break; | |
3745 | ||
a9de9248 | 3746 | default: |
e6214487 | 3747 | BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode); |
a9de9248 MH |
3748 | break; |
3749 | } | |
3750 | ||
de75cd0d | 3751 | handle_cmd_cnt_and_timer(hdev, *opcode, ev->ncmd); |
600b2150 | 3752 | |
444c6dd5 JH |
3753 | /* Indicate request completion if the command failed. Also, if |
3754 | * we're not waiting for a special event and we get a success | |
3755 | * command status we should try to flag the request as completed | |
3756 | * (since for this kind of commands there will not be a command | |
3757 | * complete event). | |
3758 | */ | |
02350a72 | 3759 | if (ev->status || |
242c0ebd | 3760 | (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->hci.req_event)) |
e6214487 JH |
3761 | hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete, |
3762 | req_complete_skb); | |
9238f36a | 3763 | |
f80c5dad JPRV |
3764 | if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) { |
3765 | bt_dev_err(hdev, | |
3766 | "unexpected event for opcode 0x%4.4x", *opcode); | |
3767 | return; | |
3768 | } | |
3769 | ||
600b2150 JH |
3770 | if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q)) |
3771 | queue_work(hdev->workqueue, &hdev->cmd_work); | |
a9de9248 MH |
3772 | } |
3773 | ||
24dfa343 MH |
3774 | static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb) |
3775 | { | |
3776 | struct hci_ev_hardware_error *ev = (void *) skb->data; | |
3777 | ||
c7741d16 MH |
3778 | hdev->hw_error_code = ev->code; |
3779 | ||
3780 | queue_work(hdev->req_workqueue, &hdev->error_reset); | |
24dfa343 MH |
3781 | } |
3782 | ||
6039aa73 | 3783 | static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3784 | { |
3785 | struct hci_ev_role_change *ev = (void *) skb->data; | |
3786 | struct hci_conn *conn; | |
3787 | ||
9f1db00c | 3788 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a9de9248 MH |
3789 | |
3790 | hci_dev_lock(hdev); | |
3791 | ||
3792 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
3793 | if (conn) { | |
40bef302 JH |
3794 | if (!ev->status) |
3795 | conn->role = ev->role; | |
a9de9248 | 3796 | |
51a8efd7 | 3797 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags); |
a9de9248 MH |
3798 | |
3799 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
3800 | } | |
3801 | ||
3802 | hci_dev_unlock(hdev); | |
3803 | } | |
3804 | ||
6039aa73 | 3805 | static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 MH |
3806 | { |
3807 | struct hci_ev_num_comp_pkts *ev = (void *) skb->data; | |
a9de9248 MH |
3808 | int i; |
3809 | ||
32ac5b9b | 3810 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) { |
2064ee33 | 3811 | bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); |
32ac5b9b AE |
3812 | return; |
3813 | } | |
3814 | ||
16e18342 GS |
3815 | if (skb->len < sizeof(*ev) || |
3816 | skb->len < struct_size(ev, handles, ev->num_hndl)) { | |
a9de9248 MH |
3817 | BT_DBG("%s bad parameters", hdev->name); |
3818 | return; | |
3819 | } | |
3820 | ||
c5993de8 AE |
3821 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); |
3822 | ||
613a1c0c AE |
3823 | for (i = 0; i < ev->num_hndl; i++) { |
3824 | struct hci_comp_pkts_info *info = &ev->handles[i]; | |
a9de9248 MH |
3825 | struct hci_conn *conn; |
3826 | __u16 handle, count; | |
3827 | ||
613a1c0c AE |
3828 | handle = __le16_to_cpu(info->handle); |
3829 | count = __le16_to_cpu(info->count); | |
a9de9248 MH |
3830 | |
3831 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
f4280918 AE |
3832 | if (!conn) |
3833 | continue; | |
3834 | ||
3835 | conn->sent -= count; | |
3836 | ||
3837 | switch (conn->type) { | |
3838 | case ACL_LINK: | |
3839 | hdev->acl_cnt += count; | |
3840 | if (hdev->acl_cnt > hdev->acl_pkts) | |
3841 | hdev->acl_cnt = hdev->acl_pkts; | |
3842 | break; | |
3843 | ||
3844 | case LE_LINK: | |
3845 | if (hdev->le_pkts) { | |
3846 | hdev->le_cnt += count; | |
3847 | if (hdev->le_cnt > hdev->le_pkts) | |
3848 | hdev->le_cnt = hdev->le_pkts; | |
3849 | } else { | |
70f23020 AE |
3850 | hdev->acl_cnt += count; |
3851 | if (hdev->acl_cnt > hdev->acl_pkts) | |
a9de9248 | 3852 | hdev->acl_cnt = hdev->acl_pkts; |
a9de9248 | 3853 | } |
f4280918 AE |
3854 | break; |
3855 | ||
3856 | case SCO_LINK: | |
3857 | hdev->sco_cnt += count; | |
3858 | if (hdev->sco_cnt > hdev->sco_pkts) | |
3859 | hdev->sco_cnt = hdev->sco_pkts; | |
3860 | break; | |
3861 | ||
3862 | default: | |
2064ee33 MH |
3863 | bt_dev_err(hdev, "unknown type %d conn %p", |
3864 | conn->type, conn); | |
f4280918 | 3865 | break; |
a9de9248 MH |
3866 | } |
3867 | } | |
3868 | ||
3eff45ea | 3869 | queue_work(hdev->workqueue, &hdev->tx_work); |
a9de9248 MH |
3870 | } |
3871 | ||
76ef7cf7 AE |
3872 | static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, |
3873 | __u16 handle) | |
3874 | { | |
3875 | struct hci_chan *chan; | |
3876 | ||
3877 | switch (hdev->dev_type) { | |
ca8bee5d | 3878 | case HCI_PRIMARY: |
76ef7cf7 AE |
3879 | return hci_conn_hash_lookup_handle(hdev, handle); |
3880 | case HCI_AMP: | |
3881 | chan = hci_chan_lookup_handle(hdev, handle); | |
3882 | if (chan) | |
3883 | return chan->conn; | |
3884 | break; | |
3885 | default: | |
2064ee33 | 3886 | bt_dev_err(hdev, "unknown dev_type %d", hdev->dev_type); |
76ef7cf7 AE |
3887 | break; |
3888 | } | |
3889 | ||
3890 | return NULL; | |
3891 | } | |
3892 | ||
6039aa73 | 3893 | static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) |
25e89e99 AE |
3894 | { |
3895 | struct hci_ev_num_comp_blocks *ev = (void *) skb->data; | |
3896 | int i; | |
3897 | ||
3898 | if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) { | |
2064ee33 | 3899 | bt_dev_err(hdev, "wrong event for mode %d", hdev->flow_ctl_mode); |
25e89e99 AE |
3900 | return; |
3901 | } | |
3902 | ||
16e18342 GS |
3903 | if (skb->len < sizeof(*ev) || |
3904 | skb->len < struct_size(ev, handles, ev->num_hndl)) { | |
25e89e99 AE |
3905 | BT_DBG("%s bad parameters", hdev->name); |
3906 | return; | |
3907 | } | |
3908 | ||
3909 | BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks, | |
807deac2 | 3910 | ev->num_hndl); |
25e89e99 AE |
3911 | |
3912 | for (i = 0; i < ev->num_hndl; i++) { | |
3913 | struct hci_comp_blocks_info *info = &ev->handles[i]; | |
76ef7cf7 | 3914 | struct hci_conn *conn = NULL; |
25e89e99 AE |
3915 | __u16 handle, block_count; |
3916 | ||
3917 | handle = __le16_to_cpu(info->handle); | |
3918 | block_count = __le16_to_cpu(info->blocks); | |
3919 | ||
76ef7cf7 | 3920 | conn = __hci_conn_lookup_handle(hdev, handle); |
25e89e99 AE |
3921 | if (!conn) |
3922 | continue; | |
3923 | ||
3924 | conn->sent -= block_count; | |
3925 | ||
3926 | switch (conn->type) { | |
3927 | case ACL_LINK: | |
bd1eb66b | 3928 | case AMP_LINK: |
25e89e99 AE |
3929 | hdev->block_cnt += block_count; |
3930 | if (hdev->block_cnt > hdev->num_blocks) | |
3931 | hdev->block_cnt = hdev->num_blocks; | |
3932 | break; | |
3933 | ||
3934 | default: | |
2064ee33 MH |
3935 | bt_dev_err(hdev, "unknown type %d conn %p", |
3936 | conn->type, conn); | |
25e89e99 AE |
3937 | break; |
3938 | } | |
3939 | } | |
3940 | ||
3941 | queue_work(hdev->workqueue, &hdev->tx_work); | |
3942 | } | |
3943 | ||
6039aa73 | 3944 | static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
04837f64 | 3945 | { |
a9de9248 | 3946 | struct hci_ev_mode_change *ev = (void *) skb->data; |
04837f64 MH |
3947 | struct hci_conn *conn; |
3948 | ||
9f1db00c | 3949 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
04837f64 MH |
3950 | |
3951 | hci_dev_lock(hdev); | |
3952 | ||
3953 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
a9de9248 MH |
3954 | if (conn) { |
3955 | conn->mode = ev->mode; | |
a9de9248 | 3956 | |
8fc9ced3 GP |
3957 | if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, |
3958 | &conn->flags)) { | |
a9de9248 | 3959 | if (conn->mode == HCI_CM_ACTIVE) |
58a681ef | 3960 | set_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3961 | else |
58a681ef | 3962 | clear_bit(HCI_CONN_POWER_SAVE, &conn->flags); |
a9de9248 | 3963 | } |
e73439d8 | 3964 | |
51a8efd7 | 3965 | if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags)) |
e73439d8 | 3966 | hci_sco_setup(conn, ev->status); |
04837f64 MH |
3967 | } |
3968 | ||
3969 | hci_dev_unlock(hdev); | |
3970 | } | |
3971 | ||
6039aa73 | 3972 | static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 3973 | { |
052b30b0 MH |
3974 | struct hci_ev_pin_code_req *ev = (void *) skb->data; |
3975 | struct hci_conn *conn; | |
3976 | ||
a9de9248 | 3977 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
3978 | |
3979 | hci_dev_lock(hdev); | |
3980 | ||
3981 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
b6f98044 WR |
3982 | if (!conn) |
3983 | goto unlock; | |
3984 | ||
3985 | if (conn->state == BT_CONNECTED) { | |
052b30b0 MH |
3986 | hci_conn_hold(conn); |
3987 | conn->disc_timeout = HCI_PAIRING_TIMEOUT; | |
76a68ba0 | 3988 | hci_conn_drop(conn); |
052b30b0 MH |
3989 | } |
3990 | ||
d7a5a11d | 3991 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE) && |
2f407f0a | 3992 | !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) { |
03b555e1 | 3993 | hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
807deac2 | 3994 | sizeof(ev->bdaddr), &ev->bdaddr); |
d7a5a11d | 3995 | } else if (hci_dev_test_flag(hdev, HCI_MGMT)) { |
a770bb5a WR |
3996 | u8 secure; |
3997 | ||
3998 | if (conn->pending_sec_level == BT_SECURITY_HIGH) | |
3999 | secure = 1; | |
4000 | else | |
4001 | secure = 0; | |
4002 | ||
744cf19e | 4003 | mgmt_pin_code_request(hdev, &ev->bdaddr, secure); |
a770bb5a | 4004 | } |
980e1a53 | 4005 | |
b6f98044 | 4006 | unlock: |
052b30b0 | 4007 | hci_dev_unlock(hdev); |
a9de9248 MH |
4008 | } |
4009 | ||
cb6f3f7a JH |
4010 | static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len) |
4011 | { | |
4012 | if (key_type == HCI_LK_CHANGED_COMBINATION) | |
4013 | return; | |
4014 | ||
4015 | conn->pin_length = pin_len; | |
4016 | conn->key_type = key_type; | |
4017 | ||
4018 | switch (key_type) { | |
4019 | case HCI_LK_LOCAL_UNIT: | |
4020 | case HCI_LK_REMOTE_UNIT: | |
4021 | case HCI_LK_DEBUG_COMBINATION: | |
4022 | return; | |
4023 | case HCI_LK_COMBINATION: | |
4024 | if (pin_len == 16) | |
4025 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
4026 | else | |
4027 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
4028 | break; | |
4029 | case HCI_LK_UNAUTH_COMBINATION_P192: | |
4030 | case HCI_LK_UNAUTH_COMBINATION_P256: | |
4031 | conn->pending_sec_level = BT_SECURITY_MEDIUM; | |
4032 | break; | |
4033 | case HCI_LK_AUTH_COMBINATION_P192: | |
4034 | conn->pending_sec_level = BT_SECURITY_HIGH; | |
4035 | break; | |
4036 | case HCI_LK_AUTH_COMBINATION_P256: | |
4037 | conn->pending_sec_level = BT_SECURITY_FIPS; | |
4038 | break; | |
4039 | } | |
4040 | } | |
4041 | ||
6039aa73 | 4042 | static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 4043 | { |
55ed8ca1 JH |
4044 | struct hci_ev_link_key_req *ev = (void *) skb->data; |
4045 | struct hci_cp_link_key_reply cp; | |
4046 | struct hci_conn *conn; | |
4047 | struct link_key *key; | |
4048 | ||
a9de9248 | 4049 | BT_DBG("%s", hdev->name); |
55ed8ca1 | 4050 | |
d7a5a11d | 4051 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
55ed8ca1 JH |
4052 | return; |
4053 | ||
4054 | hci_dev_lock(hdev); | |
4055 | ||
4056 | key = hci_find_link_key(hdev, &ev->bdaddr); | |
4057 | if (!key) { | |
6ed93dc6 AE |
4058 | BT_DBG("%s link key not found for %pMR", hdev->name, |
4059 | &ev->bdaddr); | |
55ed8ca1 JH |
4060 | goto not_found; |
4061 | } | |
4062 | ||
6ed93dc6 AE |
4063 | BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, |
4064 | &ev->bdaddr); | |
55ed8ca1 | 4065 | |
55ed8ca1 | 4066 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
60b83f57 | 4067 | if (conn) { |
fe8bc5ac JH |
4068 | clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
4069 | ||
66138ce8 MH |
4070 | if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || |
4071 | key->type == HCI_LK_UNAUTH_COMBINATION_P256) && | |
807deac2 | 4072 | conn->auth_type != 0xff && (conn->auth_type & 0x01)) { |
60b83f57 WR |
4073 | BT_DBG("%s ignoring unauthenticated key", hdev->name); |
4074 | goto not_found; | |
4075 | } | |
55ed8ca1 | 4076 | |
60b83f57 | 4077 | if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 && |
f3fb0b58 JH |
4078 | (conn->pending_sec_level == BT_SECURITY_HIGH || |
4079 | conn->pending_sec_level == BT_SECURITY_FIPS)) { | |
8fc9ced3 GP |
4080 | BT_DBG("%s ignoring key unauthenticated for high security", |
4081 | hdev->name); | |
60b83f57 WR |
4082 | goto not_found; |
4083 | } | |
4084 | ||
cb6f3f7a | 4085 | conn_set_key(conn, key->type, key->pin_len); |
55ed8ca1 JH |
4086 | } |
4087 | ||
4088 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9b3b4460 | 4089 | memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE); |
55ed8ca1 JH |
4090 | |
4091 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp); | |
4092 | ||
4093 | hci_dev_unlock(hdev); | |
4094 | ||
4095 | return; | |
4096 | ||
4097 | not_found: | |
4098 | hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr); | |
4099 | hci_dev_unlock(hdev); | |
a9de9248 MH |
4100 | } |
4101 | ||
6039aa73 | 4102 | static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a9de9248 | 4103 | { |
052b30b0 MH |
4104 | struct hci_ev_link_key_notify *ev = (void *) skb->data; |
4105 | struct hci_conn *conn; | |
7652ff6a JH |
4106 | struct link_key *key; |
4107 | bool persistent; | |
55ed8ca1 | 4108 | u8 pin_len = 0; |
052b30b0 | 4109 | |
a9de9248 | 4110 | BT_DBG("%s", hdev->name); |
052b30b0 MH |
4111 | |
4112 | hci_dev_lock(hdev); | |
4113 | ||
4114 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
82c13d42 JH |
4115 | if (!conn) |
4116 | goto unlock; | |
4117 | ||
4118 | hci_conn_hold(conn); | |
4119 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
4120 | hci_conn_drop(conn); | |
4121 | ||
fe8bc5ac | 4122 | set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags); |
82c13d42 | 4123 | conn_set_key(conn, ev->key_type, conn->pin_length); |
052b30b0 | 4124 | |
d7a5a11d | 4125 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7652ff6a JH |
4126 | goto unlock; |
4127 | ||
4128 | key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key, | |
4129 | ev->key_type, pin_len, &persistent); | |
4130 | if (!key) | |
4131 | goto unlock; | |
4132 | ||
cb6f3f7a JH |
4133 | /* Update connection information since adding the key will have |
4134 | * fixed up the type in the case of changed combination keys. | |
4135 | */ | |
4136 | if (ev->key_type == HCI_LK_CHANGED_COMBINATION) | |
4137 | conn_set_key(conn, key->type, key->pin_len); | |
4138 | ||
7652ff6a | 4139 | mgmt_new_link_key(hdev, key, persistent); |
55ed8ca1 | 4140 | |
6d5650c4 JH |
4141 | /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag |
4142 | * is set. If it's not set simply remove the key from the kernel | |
4143 | * list (we've still notified user space about it but with | |
4144 | * store_hint being 0). | |
4145 | */ | |
4146 | if (key->type == HCI_LK_DEBUG_COMBINATION && | |
d7a5a11d | 4147 | !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) { |
0378b597 JH |
4148 | list_del_rcu(&key->list); |
4149 | kfree_rcu(key, rcu); | |
82c13d42 | 4150 | goto unlock; |
6d5650c4 | 4151 | } |
7652ff6a | 4152 | |
82c13d42 JH |
4153 | if (persistent) |
4154 | clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
4155 | else | |
4156 | set_bit(HCI_CONN_FLUSH_KEY, &conn->flags); | |
4157 | ||
7652ff6a | 4158 | unlock: |
052b30b0 | 4159 | hci_dev_unlock(hdev); |
a9de9248 MH |
4160 | } |
4161 | ||
6039aa73 | 4162 | static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) |
1da177e4 | 4163 | { |
a9de9248 | 4164 | struct hci_ev_clock_offset *ev = (void *) skb->data; |
04837f64 | 4165 | struct hci_conn *conn; |
1da177e4 | 4166 | |
9f1db00c | 4167 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
1da177e4 LT |
4168 | |
4169 | hci_dev_lock(hdev); | |
4170 | ||
04837f64 | 4171 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); |
1da177e4 LT |
4172 | if (conn && !ev->status) { |
4173 | struct inquiry_entry *ie; | |
4174 | ||
cc11b9c1 AE |
4175 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
4176 | if (ie) { | |
1da177e4 LT |
4177 | ie->data.clock_offset = ev->clock_offset; |
4178 | ie->timestamp = jiffies; | |
4179 | } | |
4180 | } | |
4181 | ||
4182 | hci_dev_unlock(hdev); | |
4183 | } | |
4184 | ||
6039aa73 | 4185 | static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a8746417 MH |
4186 | { |
4187 | struct hci_ev_pkt_type_change *ev = (void *) skb->data; | |
4188 | struct hci_conn *conn; | |
4189 | ||
9f1db00c | 4190 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
a8746417 MH |
4191 | |
4192 | hci_dev_lock(hdev); | |
4193 | ||
4194 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4195 | if (conn && !ev->status) | |
4196 | conn->pkt_type = __le16_to_cpu(ev->pkt_type); | |
4197 | ||
4198 | hci_dev_unlock(hdev); | |
4199 | } | |
4200 | ||
6039aa73 | 4201 | static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) |
85a1e930 | 4202 | { |
a9de9248 | 4203 | struct hci_ev_pscan_rep_mode *ev = (void *) skb->data; |
85a1e930 MH |
4204 | struct inquiry_entry *ie; |
4205 | ||
4206 | BT_DBG("%s", hdev->name); | |
4207 | ||
4208 | hci_dev_lock(hdev); | |
4209 | ||
cc11b9c1 AE |
4210 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4211 | if (ie) { | |
85a1e930 MH |
4212 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; |
4213 | ie->timestamp = jiffies; | |
4214 | } | |
4215 | ||
4216 | hci_dev_unlock(hdev); | |
4217 | } | |
4218 | ||
6039aa73 GP |
4219 | static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, |
4220 | struct sk_buff *skb) | |
a9de9248 MH |
4221 | { |
4222 | struct inquiry_data data; | |
4223 | int num_rsp = *((__u8 *) skb->data); | |
4224 | ||
4225 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
4226 | ||
4227 | if (!num_rsp) | |
4228 | return; | |
4229 | ||
d7a5a11d | 4230 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
4231 | return; |
4232 | ||
a9de9248 MH |
4233 | hci_dev_lock(hdev); |
4234 | ||
4235 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
138d22ef SJ |
4236 | struct inquiry_info_with_rssi_and_pscan_mode *info; |
4237 | info = (void *) (skb->data + 1); | |
a9de9248 | 4238 | |
629b49c8 PY |
4239 | if (skb->len < num_rsp * sizeof(*info) + 1) |
4240 | goto unlock; | |
4241 | ||
e17acd40 | 4242 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4243 | u32 flags; |
4244 | ||
a9de9248 MH |
4245 | bacpy(&data.bdaddr, &info->bdaddr); |
4246 | data.pscan_rep_mode = info->pscan_rep_mode; | |
4247 | data.pscan_period_mode = info->pscan_period_mode; | |
4248 | data.pscan_mode = info->pscan_mode; | |
4249 | memcpy(data.dev_class, info->dev_class, 3); | |
4250 | data.clock_offset = info->clock_offset; | |
4251 | data.rssi = info->rssi; | |
41a96212 | 4252 | data.ssp_mode = 0x00; |
3175405b | 4253 | |
af58925c MH |
4254 | flags = hci_inquiry_cache_update(hdev, &data, false); |
4255 | ||
48264f06 | 4256 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 4257 | info->dev_class, info->rssi, |
af58925c | 4258 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
4259 | } |
4260 | } else { | |
4261 | struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); | |
4262 | ||
629b49c8 PY |
4263 | if (skb->len < num_rsp * sizeof(*info) + 1) |
4264 | goto unlock; | |
4265 | ||
e17acd40 | 4266 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4267 | u32 flags; |
4268 | ||
a9de9248 MH |
4269 | bacpy(&data.bdaddr, &info->bdaddr); |
4270 | data.pscan_rep_mode = info->pscan_rep_mode; | |
4271 | data.pscan_period_mode = info->pscan_period_mode; | |
4272 | data.pscan_mode = 0x00; | |
4273 | memcpy(data.dev_class, info->dev_class, 3); | |
4274 | data.clock_offset = info->clock_offset; | |
4275 | data.rssi = info->rssi; | |
41a96212 | 4276 | data.ssp_mode = 0x00; |
af58925c MH |
4277 | |
4278 | flags = hci_inquiry_cache_update(hdev, &data, false); | |
4279 | ||
48264f06 | 4280 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
04124681 | 4281 | info->dev_class, info->rssi, |
af58925c | 4282 | flags, NULL, 0, NULL, 0); |
a9de9248 MH |
4283 | } |
4284 | } | |
4285 | ||
629b49c8 | 4286 | unlock: |
a9de9248 MH |
4287 | hci_dev_unlock(hdev); |
4288 | } | |
4289 | ||
6039aa73 GP |
4290 | static void hci_remote_ext_features_evt(struct hci_dev *hdev, |
4291 | struct sk_buff *skb) | |
a9de9248 | 4292 | { |
41a96212 MH |
4293 | struct hci_ev_remote_ext_features *ev = (void *) skb->data; |
4294 | struct hci_conn *conn; | |
4295 | ||
a9de9248 | 4296 | BT_DBG("%s", hdev->name); |
41a96212 | 4297 | |
41a96212 MH |
4298 | hci_dev_lock(hdev); |
4299 | ||
4300 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
ccd556fe JH |
4301 | if (!conn) |
4302 | goto unlock; | |
41a96212 | 4303 | |
cad718ed JH |
4304 | if (ev->page < HCI_MAX_PAGES) |
4305 | memcpy(conn->features[ev->page], ev->features, 8); | |
4306 | ||
ccd556fe JH |
4307 | if (!ev->status && ev->page == 0x01) { |
4308 | struct inquiry_entry *ie; | |
41a96212 | 4309 | |
cc11b9c1 AE |
4310 | ie = hci_inquiry_cache_lookup(hdev, &conn->dst); |
4311 | if (ie) | |
02b7cc62 | 4312 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
769be974 | 4313 | |
bbb0eada | 4314 | if (ev->features[0] & LMP_HOST_SSP) { |
58a681ef | 4315 | set_bit(HCI_CONN_SSP_ENABLED, &conn->flags); |
bbb0eada JK |
4316 | } else { |
4317 | /* It is mandatory by the Bluetooth specification that | |
4318 | * Extended Inquiry Results are only used when Secure | |
4319 | * Simple Pairing is enabled, but some devices violate | |
4320 | * this. | |
4321 | * | |
4322 | * To make these devices work, the internal SSP | |
4323 | * enabled flag needs to be cleared if the remote host | |
4324 | * features do not indicate SSP support */ | |
4325 | clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); | |
4326 | } | |
eb9a8f3f MH |
4327 | |
4328 | if (ev->features[0] & LMP_HOST_SC) | |
4329 | set_bit(HCI_CONN_SC_ENABLED, &conn->flags); | |
ccd556fe JH |
4330 | } |
4331 | ||
4332 | if (conn->state != BT_CONFIG) | |
4333 | goto unlock; | |
4334 | ||
671267bf | 4335 | if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) { |
127178d2 JH |
4336 | struct hci_cp_remote_name_req cp; |
4337 | memset(&cp, 0, sizeof(cp)); | |
4338 | bacpy(&cp.bdaddr, &conn->dst); | |
4339 | cp.pscan_rep_mode = 0x02; | |
4340 | hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp); | |
b644ba33 | 4341 | } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
1c6ed31b | 4342 | mgmt_device_connected(hdev, conn, NULL, 0); |
392599b9 | 4343 | |
127178d2 | 4344 | if (!hci_outgoing_auth_needed(hdev, conn)) { |
ccd556fe | 4345 | conn->state = BT_CONNECTED; |
539c496d | 4346 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 4347 | hci_conn_drop(conn); |
41a96212 MH |
4348 | } |
4349 | ||
ccd556fe | 4350 | unlock: |
41a96212 | 4351 | hci_dev_unlock(hdev); |
a9de9248 MH |
4352 | } |
4353 | ||
6039aa73 GP |
4354 | static void hci_sync_conn_complete_evt(struct hci_dev *hdev, |
4355 | struct sk_buff *skb) | |
a9de9248 | 4356 | { |
b6a0dc82 MH |
4357 | struct hci_ev_sync_conn_complete *ev = (void *) skb->data; |
4358 | struct hci_conn *conn; | |
4359 | ||
9f1db00c | 4360 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); |
b6a0dc82 MH |
4361 | |
4362 | hci_dev_lock(hdev); | |
4363 | ||
4364 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
9dc0a3af MH |
4365 | if (!conn) { |
4366 | if (ev->link_type == ESCO_LINK) | |
4367 | goto unlock; | |
4368 | ||
618353b1 KP |
4369 | /* When the link type in the event indicates SCO connection |
4370 | * and lookup of the connection object fails, then check | |
4371 | * if an eSCO connection object exists. | |
4372 | * | |
4373 | * The core limits the synchronous connections to either | |
4374 | * SCO or eSCO. The eSCO connection is preferred and tried | |
4375 | * to be setup first and until successfully established, | |
4376 | * the link type will be hinted as eSCO. | |
4377 | */ | |
9dc0a3af MH |
4378 | conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr); |
4379 | if (!conn) | |
4380 | goto unlock; | |
9dc0a3af | 4381 | } |
b6a0dc82 | 4382 | |
732547f9 MH |
4383 | switch (ev->status) { |
4384 | case 0x00: | |
b6a0dc82 MH |
4385 | conn->handle = __le16_to_cpu(ev->handle); |
4386 | conn->state = BT_CONNECTED; | |
618353b1 | 4387 | conn->type = ev->link_type; |
7d0db0a3 | 4388 | |
23b9ceb7 | 4389 | hci_debugfs_create_conn(conn); |
7d0db0a3 | 4390 | hci_conn_add_sysfs(conn); |
732547f9 MH |
4391 | break; |
4392 | ||
81218d20 | 4393 | case 0x10: /* Connection Accept Timeout */ |
1a4c958c | 4394 | case 0x0d: /* Connection Rejected due to Limited Resources */ |
705e5711 | 4395 | case 0x11: /* Unsupported Feature or Parameter Value */ |
732547f9 | 4396 | case 0x1c: /* SCO interval rejected */ |
1038a00b | 4397 | case 0x1a: /* Unsupported Remote Feature */ |
56b5453a | 4398 | case 0x1e: /* Invalid LMP Parameters */ |
732547f9 | 4399 | case 0x1f: /* Unspecified error */ |
27539bc4 | 4400 | case 0x20: /* Unsupported LMP Parameter value */ |
2dea632f | 4401 | if (conn->out) { |
732547f9 MH |
4402 | conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | |
4403 | (hdev->esco_type & EDR_ESCO_MASK); | |
2dea632f FD |
4404 | if (hci_setup_sync(conn, conn->link->handle)) |
4405 | goto unlock; | |
732547f9 | 4406 | } |
19186c7b | 4407 | fallthrough; |
732547f9 MH |
4408 | |
4409 | default: | |
b6a0dc82 | 4410 | conn->state = BT_CLOSED; |
732547f9 MH |
4411 | break; |
4412 | } | |
b6a0dc82 | 4413 | |
1f8330ea SN |
4414 | bt_dev_dbg(hdev, "SCO connected with air mode: %02x", ev->air_mode); |
4415 | ||
06d213d8 K |
4416 | switch (ev->air_mode) { |
4417 | case 0x02: | |
1f8330ea SN |
4418 | if (hdev->notify) |
4419 | hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD); | |
4420 | break; | |
06d213d8 | 4421 | case 0x03: |
1f8330ea SN |
4422 | if (hdev->notify) |
4423 | hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_TRANSP); | |
4424 | break; | |
4425 | } | |
4426 | ||
539c496d | 4427 | hci_connect_cfm(conn, ev->status); |
b6a0dc82 MH |
4428 | if (ev->status) |
4429 | hci_conn_del(conn); | |
4430 | ||
4431 | unlock: | |
4432 | hci_dev_unlock(hdev); | |
a9de9248 MH |
4433 | } |
4434 | ||
efdcf8e3 MH |
4435 | static inline size_t eir_get_length(u8 *eir, size_t eir_len) |
4436 | { | |
4437 | size_t parsed = 0; | |
4438 | ||
4439 | while (parsed < eir_len) { | |
4440 | u8 field_len = eir[0]; | |
4441 | ||
4442 | if (field_len == 0) | |
4443 | return parsed; | |
4444 | ||
4445 | parsed += field_len + 1; | |
4446 | eir += field_len + 1; | |
4447 | } | |
4448 | ||
4449 | return eir_len; | |
4450 | } | |
4451 | ||
6039aa73 GP |
4452 | static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, |
4453 | struct sk_buff *skb) | |
1da177e4 | 4454 | { |
a9de9248 MH |
4455 | struct inquiry_data data; |
4456 | struct extended_inquiry_info *info = (void *) (skb->data + 1); | |
4457 | int num_rsp = *((__u8 *) skb->data); | |
9d939d94 | 4458 | size_t eir_len; |
1da177e4 | 4459 | |
a9de9248 | 4460 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); |
1da177e4 | 4461 | |
51c19bf3 | 4462 | if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1) |
a9de9248 | 4463 | return; |
1da177e4 | 4464 | |
d7a5a11d | 4465 | if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) |
1519cc17 AG |
4466 | return; |
4467 | ||
a9de9248 MH |
4468 | hci_dev_lock(hdev); |
4469 | ||
e17acd40 | 4470 | for (; num_rsp; num_rsp--, info++) { |
af58925c MH |
4471 | u32 flags; |
4472 | bool name_known; | |
561aafbc | 4473 | |
a9de9248 | 4474 | bacpy(&data.bdaddr, &info->bdaddr); |
138d22ef SJ |
4475 | data.pscan_rep_mode = info->pscan_rep_mode; |
4476 | data.pscan_period_mode = info->pscan_period_mode; | |
4477 | data.pscan_mode = 0x00; | |
a9de9248 | 4478 | memcpy(data.dev_class, info->dev_class, 3); |
138d22ef SJ |
4479 | data.clock_offset = info->clock_offset; |
4480 | data.rssi = info->rssi; | |
41a96212 | 4481 | data.ssp_mode = 0x01; |
561aafbc | 4482 | |
d7a5a11d | 4483 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
0d3b7f64 JH |
4484 | name_known = eir_get_data(info->data, |
4485 | sizeof(info->data), | |
4486 | EIR_NAME_COMPLETE, NULL); | |
561aafbc JH |
4487 | else |
4488 | name_known = true; | |
4489 | ||
af58925c MH |
4490 | flags = hci_inquiry_cache_update(hdev, &data, name_known); |
4491 | ||
9d939d94 | 4492 | eir_len = eir_get_length(info->data, sizeof(info->data)); |
af58925c | 4493 | |
48264f06 | 4494 | mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00, |
af58925c MH |
4495 | info->dev_class, info->rssi, |
4496 | flags, info->data, eir_len, NULL, 0); | |
a9de9248 MH |
4497 | } |
4498 | ||
4499 | hci_dev_unlock(hdev); | |
4500 | } | |
1da177e4 | 4501 | |
1c2e0041 JH |
4502 | static void hci_key_refresh_complete_evt(struct hci_dev *hdev, |
4503 | struct sk_buff *skb) | |
4504 | { | |
4505 | struct hci_ev_key_refresh_complete *ev = (void *) skb->data; | |
4506 | struct hci_conn *conn; | |
4507 | ||
9f1db00c | 4508 | BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, |
1c2e0041 JH |
4509 | __le16_to_cpu(ev->handle)); |
4510 | ||
4511 | hci_dev_lock(hdev); | |
4512 | ||
4513 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
4514 | if (!conn) | |
4515 | goto unlock; | |
4516 | ||
9eb1fbfa JH |
4517 | /* For BR/EDR the necessary steps are taken through the |
4518 | * auth_complete event. | |
4519 | */ | |
4520 | if (conn->type != LE_LINK) | |
4521 | goto unlock; | |
4522 | ||
1c2e0041 JH |
4523 | if (!ev->status) |
4524 | conn->sec_level = conn->pending_sec_level; | |
4525 | ||
4526 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); | |
4527 | ||
4528 | if (ev->status && conn->state == BT_CONNECTED) { | |
bed71748 | 4529 | hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); |
76a68ba0 | 4530 | hci_conn_drop(conn); |
1c2e0041 JH |
4531 | goto unlock; |
4532 | } | |
4533 | ||
4534 | if (conn->state == BT_CONFIG) { | |
4535 | if (!ev->status) | |
4536 | conn->state = BT_CONNECTED; | |
4537 | ||
539c496d | 4538 | hci_connect_cfm(conn, ev->status); |
76a68ba0 | 4539 | hci_conn_drop(conn); |
1c2e0041 JH |
4540 | } else { |
4541 | hci_auth_cfm(conn, ev->status); | |
4542 | ||
4543 | hci_conn_hold(conn); | |
4544 | conn->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 4545 | hci_conn_drop(conn); |
1c2e0041 JH |
4546 | } |
4547 | ||
4548 | unlock: | |
4549 | hci_dev_unlock(hdev); | |
4550 | } | |
4551 | ||
6039aa73 | 4552 | static u8 hci_get_auth_req(struct hci_conn *conn) |
17fa4b9d | 4553 | { |
17fa4b9d | 4554 | /* If remote requests no-bonding follow that lead */ |
acabae96 MA |
4555 | if (conn->remote_auth == HCI_AT_NO_BONDING || |
4556 | conn->remote_auth == HCI_AT_NO_BONDING_MITM) | |
58797bf7 | 4557 | return conn->remote_auth | (conn->auth_type & 0x01); |
17fa4b9d | 4558 | |
b7f94c88 MA |
4559 | /* If both remote and local have enough IO capabilities, require |
4560 | * MITM protection | |
4561 | */ | |
4562 | if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT && | |
4563 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT) | |
4564 | return conn->remote_auth | 0x01; | |
4565 | ||
7e74170a TM |
4566 | /* No MITM protection possible so ignore remote requirement */ |
4567 | return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01); | |
17fa4b9d JH |
4568 | } |
4569 | ||
a83ed81e MH |
4570 | static u8 bredr_oob_data_present(struct hci_conn *conn) |
4571 | { | |
4572 | struct hci_dev *hdev = conn->hdev; | |
4573 | struct oob_data *data; | |
4574 | ||
4575 | data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR); | |
4576 | if (!data) | |
4577 | return 0x00; | |
4578 | ||
455c2ff0 MH |
4579 | if (bredr_sc_enabled(hdev)) { |
4580 | /* When Secure Connections is enabled, then just | |
4581 | * return the present value stored with the OOB | |
4582 | * data. The stored value contains the right present | |
4583 | * information. However it can only be trusted when | |
4584 | * not in Secure Connection Only mode. | |
4585 | */ | |
4586 | if (!hci_dev_test_flag(hdev, HCI_SC_ONLY)) | |
4587 | return data->present; | |
659c7fb0 | 4588 | |
455c2ff0 MH |
4589 | /* When Secure Connections Only mode is enabled, then |
4590 | * the P-256 values are required. If they are not | |
4591 | * available, then do not declare that OOB data is | |
4592 | * present. | |
659c7fb0 | 4593 | */ |
455c2ff0 MH |
4594 | if (!memcmp(data->rand256, ZERO_KEY, 16) || |
4595 | !memcmp(data->hash256, ZERO_KEY, 16)) | |
659c7fb0 MH |
4596 | return 0x00; |
4597 | ||
455c2ff0 | 4598 | return 0x02; |
659c7fb0 | 4599 | } |
a83ed81e | 4600 | |
455c2ff0 MH |
4601 | /* When Secure Connections is not enabled or actually |
4602 | * not supported by the hardware, then check that if | |
4603 | * P-192 data values are present. | |
4604 | */ | |
4605 | if (!memcmp(data->rand192, ZERO_KEY, 16) || | |
4606 | !memcmp(data->hash192, ZERO_KEY, 16)) | |
4607 | return 0x00; | |
4608 | ||
4609 | return 0x01; | |
a83ed81e MH |
4610 | } |
4611 | ||
6039aa73 | 4612 | static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
0493684e MH |
4613 | { |
4614 | struct hci_ev_io_capa_request *ev = (void *) skb->data; | |
4615 | struct hci_conn *conn; | |
4616 | ||
4617 | BT_DBG("%s", hdev->name); | |
4618 | ||
4619 | hci_dev_lock(hdev); | |
4620 | ||
4621 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
03b555e1 JH |
4622 | if (!conn) |
4623 | goto unlock; | |
4624 | ||
4625 | hci_conn_hold(conn); | |
4626 | ||
d7a5a11d | 4627 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
03b555e1 JH |
4628 | goto unlock; |
4629 | ||
2f407f0a JH |
4630 | /* Allow pairing if we're pairable, the initiators of the |
4631 | * pairing or if the remote is not requesting bonding. | |
4632 | */ | |
d7a5a11d | 4633 | if (hci_dev_test_flag(hdev, HCI_BONDABLE) || |
2f407f0a | 4634 | test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) || |
807deac2 | 4635 | (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) { |
17fa4b9d JH |
4636 | struct hci_cp_io_capability_reply cp; |
4637 | ||
4638 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
7a7f1e7c HG |
4639 | /* Change the IO capability from KeyboardDisplay |
4640 | * to DisplayYesNo as it is not supported by BT spec. */ | |
4641 | cp.capability = (conn->io_capability == 0x04) ? | |
a767631a | 4642 | HCI_IO_DISPLAY_YESNO : conn->io_capability; |
b7f94c88 MA |
4643 | |
4644 | /* If we are initiators, there is no remote information yet */ | |
4645 | if (conn->remote_auth == 0xff) { | |
b16c6604 | 4646 | /* Request MITM protection if our IO caps allow it |
4ad51a75 | 4647 | * except for the no-bonding case. |
b16c6604 | 4648 | */ |
6fd6b915 | 4649 | if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
9f743d74 | 4650 | conn->auth_type != HCI_AT_NO_BONDING) |
6c53823a | 4651 | conn->auth_type |= 0x01; |
b7f94c88 MA |
4652 | } else { |
4653 | conn->auth_type = hci_get_auth_req(conn); | |
b7f94c88 | 4654 | } |
17fa4b9d | 4655 | |
82c295b1 JH |
4656 | /* If we're not bondable, force one of the non-bondable |
4657 | * authentication requirement values. | |
4658 | */ | |
d7a5a11d | 4659 | if (!hci_dev_test_flag(hdev, HCI_BONDABLE)) |
82c295b1 JH |
4660 | conn->auth_type &= HCI_AT_NO_BONDING_MITM; |
4661 | ||
4662 | cp.authentication = conn->auth_type; | |
a83ed81e | 4663 | cp.oob_data = bredr_oob_data_present(conn); |
ce85ee13 | 4664 | |
17fa4b9d | 4665 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY, |
807deac2 | 4666 | sizeof(cp), &cp); |
03b555e1 JH |
4667 | } else { |
4668 | struct hci_cp_io_capability_neg_reply cp; | |
4669 | ||
4670 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
9f5a0d7b | 4671 | cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED; |
0493684e | 4672 | |
03b555e1 | 4673 | hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY, |
807deac2 | 4674 | sizeof(cp), &cp); |
03b555e1 JH |
4675 | } |
4676 | ||
4677 | unlock: | |
4678 | hci_dev_unlock(hdev); | |
4679 | } | |
4680 | ||
6039aa73 | 4681 | static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb) |
03b555e1 JH |
4682 | { |
4683 | struct hci_ev_io_capa_reply *ev = (void *) skb->data; | |
4684 | struct hci_conn *conn; | |
4685 | ||
4686 | BT_DBG("%s", hdev->name); | |
4687 | ||
4688 | hci_dev_lock(hdev); | |
4689 | ||
4690 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4691 | if (!conn) | |
4692 | goto unlock; | |
4693 | ||
03b555e1 | 4694 | conn->remote_cap = ev->capability; |
03b555e1 JH |
4695 | conn->remote_auth = ev->authentication; |
4696 | ||
4697 | unlock: | |
0493684e MH |
4698 | hci_dev_unlock(hdev); |
4699 | } | |
4700 | ||
6039aa73 GP |
4701 | static void hci_user_confirm_request_evt(struct hci_dev *hdev, |
4702 | struct sk_buff *skb) | |
a5c29683 JH |
4703 | { |
4704 | struct hci_ev_user_confirm_req *ev = (void *) skb->data; | |
55bc1a37 | 4705 | int loc_mitm, rem_mitm, confirm_hint = 0; |
7a828908 | 4706 | struct hci_conn *conn; |
a5c29683 JH |
4707 | |
4708 | BT_DBG("%s", hdev->name); | |
4709 | ||
4710 | hci_dev_lock(hdev); | |
4711 | ||
d7a5a11d | 4712 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
7a828908 | 4713 | goto unlock; |
a5c29683 | 4714 | |
7a828908 JH |
4715 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4716 | if (!conn) | |
4717 | goto unlock; | |
4718 | ||
4719 | loc_mitm = (conn->auth_type & 0x01); | |
4720 | rem_mitm = (conn->remote_auth & 0x01); | |
4721 | ||
4722 | /* If we require MITM but the remote device can't provide that | |
6c53823a JH |
4723 | * (it has NoInputNoOutput) then reject the confirmation |
4724 | * request. We check the security level here since it doesn't | |
4725 | * necessarily match conn->auth_type. | |
6fd6b915 | 4726 | */ |
6c53823a JH |
4727 | if (conn->pending_sec_level > BT_SECURITY_MEDIUM && |
4728 | conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) { | |
7a828908 JH |
4729 | BT_DBG("Rejecting request: remote device can't provide MITM"); |
4730 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY, | |
807deac2 | 4731 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4732 | goto unlock; |
4733 | } | |
4734 | ||
4735 | /* If no side requires MITM protection; auto-accept */ | |
a767631a MA |
4736 | if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) && |
4737 | (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) { | |
55bc1a37 JH |
4738 | |
4739 | /* If we're not the initiators request authorization to | |
4740 | * proceed from user space (mgmt_user_confirm with | |
ba15a58b | 4741 | * confirm_hint set to 1). The exception is if neither |
02f3e254 JH |
4742 | * side had MITM or if the local IO capability is |
4743 | * NoInputNoOutput, in which case we do auto-accept | |
ba15a58b JH |
4744 | */ |
4745 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && | |
02f3e254 | 4746 | conn->io_capability != HCI_IO_NO_INPUT_OUTPUT && |
ba15a58b | 4747 | (loc_mitm || rem_mitm)) { |
55bc1a37 JH |
4748 | BT_DBG("Confirming auto-accept as acceptor"); |
4749 | confirm_hint = 1; | |
4750 | goto confirm; | |
4751 | } | |
4752 | ||
cee5f20f HC |
4753 | /* If there already exists link key in local host, leave the |
4754 | * decision to user space since the remote device could be | |
4755 | * legitimate or malicious. | |
4756 | */ | |
4757 | if (hci_find_link_key(hdev, &ev->bdaddr)) { | |
4758 | bt_dev_dbg(hdev, "Local host already has link key"); | |
4759 | confirm_hint = 1; | |
4760 | goto confirm; | |
4761 | } | |
4762 | ||
9f61656a | 4763 | BT_DBG("Auto-accept of user confirmation with %ums delay", |
807deac2 | 4764 | hdev->auto_accept_delay); |
9f61656a JH |
4765 | |
4766 | if (hdev->auto_accept_delay > 0) { | |
4767 | int delay = msecs_to_jiffies(hdev->auto_accept_delay); | |
7bc18d9d JH |
4768 | queue_delayed_work(conn->hdev->workqueue, |
4769 | &conn->auto_accept_work, delay); | |
9f61656a JH |
4770 | goto unlock; |
4771 | } | |
4772 | ||
7a828908 | 4773 | hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, |
807deac2 | 4774 | sizeof(ev->bdaddr), &ev->bdaddr); |
7a828908 JH |
4775 | goto unlock; |
4776 | } | |
4777 | ||
55bc1a37 | 4778 | confirm: |
39adbffe JH |
4779 | mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, |
4780 | le32_to_cpu(ev->passkey), confirm_hint); | |
7a828908 JH |
4781 | |
4782 | unlock: | |
a5c29683 JH |
4783 | hci_dev_unlock(hdev); |
4784 | } | |
4785 | ||
6039aa73 GP |
4786 | static void hci_user_passkey_request_evt(struct hci_dev *hdev, |
4787 | struct sk_buff *skb) | |
1143d458 BG |
4788 | { |
4789 | struct hci_ev_user_passkey_req *ev = (void *) skb->data; | |
4790 | ||
4791 | BT_DBG("%s", hdev->name); | |
4792 | ||
d7a5a11d | 4793 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
272d90df | 4794 | mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0); |
1143d458 BG |
4795 | } |
4796 | ||
92a25256 JH |
4797 | static void hci_user_passkey_notify_evt(struct hci_dev *hdev, |
4798 | struct sk_buff *skb) | |
4799 | { | |
4800 | struct hci_ev_user_passkey_notify *ev = (void *) skb->data; | |
4801 | struct hci_conn *conn; | |
4802 | ||
4803 | BT_DBG("%s", hdev->name); | |
4804 | ||
4805 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4806 | if (!conn) | |
4807 | return; | |
4808 | ||
4809 | conn->passkey_notify = __le32_to_cpu(ev->passkey); | |
4810 | conn->passkey_entered = 0; | |
4811 | ||
d7a5a11d | 4812 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4813 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4814 | conn->dst_type, conn->passkey_notify, | |
4815 | conn->passkey_entered); | |
4816 | } | |
4817 | ||
4818 | static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4819 | { | |
4820 | struct hci_ev_keypress_notify *ev = (void *) skb->data; | |
4821 | struct hci_conn *conn; | |
4822 | ||
4823 | BT_DBG("%s", hdev->name); | |
4824 | ||
4825 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
4826 | if (!conn) | |
4827 | return; | |
4828 | ||
4829 | switch (ev->type) { | |
4830 | case HCI_KEYPRESS_STARTED: | |
4831 | conn->passkey_entered = 0; | |
4832 | return; | |
4833 | ||
4834 | case HCI_KEYPRESS_ENTERED: | |
4835 | conn->passkey_entered++; | |
4836 | break; | |
4837 | ||
4838 | case HCI_KEYPRESS_ERASED: | |
4839 | conn->passkey_entered--; | |
4840 | break; | |
4841 | ||
4842 | case HCI_KEYPRESS_CLEARED: | |
4843 | conn->passkey_entered = 0; | |
4844 | break; | |
4845 | ||
4846 | case HCI_KEYPRESS_COMPLETED: | |
4847 | return; | |
4848 | } | |
4849 | ||
d7a5a11d | 4850 | if (hci_dev_test_flag(hdev, HCI_MGMT)) |
92a25256 JH |
4851 | mgmt_user_passkey_notify(hdev, &conn->dst, conn->type, |
4852 | conn->dst_type, conn->passkey_notify, | |
4853 | conn->passkey_entered); | |
4854 | } | |
4855 | ||
6039aa73 GP |
4856 | static void hci_simple_pair_complete_evt(struct hci_dev *hdev, |
4857 | struct sk_buff *skb) | |
0493684e MH |
4858 | { |
4859 | struct hci_ev_simple_pair_complete *ev = (void *) skb->data; | |
4860 | struct hci_conn *conn; | |
4861 | ||
4862 | BT_DBG("%s", hdev->name); | |
4863 | ||
4864 | hci_dev_lock(hdev); | |
4865 | ||
4866 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
2a611692 JH |
4867 | if (!conn) |
4868 | goto unlock; | |
4869 | ||
c1d4fa7a JH |
4870 | /* Reset the authentication requirement to unknown */ |
4871 | conn->remote_auth = 0xff; | |
4872 | ||
2a611692 JH |
4873 | /* To avoid duplicate auth_failed events to user space we check |
4874 | * the HCI_CONN_AUTH_PEND flag which will be set if we | |
4875 | * initiated the authentication. A traditional auth_complete | |
4876 | * event gets always produced as initiator and is also mapped to | |
4877 | * the mgmt_auth_failed event */ | |
fa1bd918 | 4878 | if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status) |
e1e930f5 | 4879 | mgmt_auth_failed(conn, ev->status); |
0493684e | 4880 | |
76a68ba0 | 4881 | hci_conn_drop(conn); |
2a611692 JH |
4882 | |
4883 | unlock: | |
0493684e MH |
4884 | hci_dev_unlock(hdev); |
4885 | } | |
4886 | ||
6039aa73 GP |
4887 | static void hci_remote_host_features_evt(struct hci_dev *hdev, |
4888 | struct sk_buff *skb) | |
41a96212 MH |
4889 | { |
4890 | struct hci_ev_remote_host_features *ev = (void *) skb->data; | |
4891 | struct inquiry_entry *ie; | |
cad718ed | 4892 | struct hci_conn *conn; |
41a96212 MH |
4893 | |
4894 | BT_DBG("%s", hdev->name); | |
4895 | ||
4896 | hci_dev_lock(hdev); | |
4897 | ||
cad718ed JH |
4898 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); |
4899 | if (conn) | |
4900 | memcpy(conn->features[1], ev->features, 8); | |
4901 | ||
cc11b9c1 AE |
4902 | ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr); |
4903 | if (ie) | |
02b7cc62 | 4904 | ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP); |
41a96212 MH |
4905 | |
4906 | hci_dev_unlock(hdev); | |
4907 | } | |
4908 | ||
6039aa73 GP |
4909 | static void hci_remote_oob_data_request_evt(struct hci_dev *hdev, |
4910 | struct sk_buff *skb) | |
2763eda6 SJ |
4911 | { |
4912 | struct hci_ev_remote_oob_data_request *ev = (void *) skb->data; | |
4913 | struct oob_data *data; | |
4914 | ||
4915 | BT_DBG("%s", hdev->name); | |
4916 | ||
4917 | hci_dev_lock(hdev); | |
4918 | ||
d7a5a11d | 4919 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
e1ba1f15 SJ |
4920 | goto unlock; |
4921 | ||
6928a924 | 4922 | data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR); |
6665d057 MH |
4923 | if (!data) { |
4924 | struct hci_cp_remote_oob_data_neg_reply cp; | |
519ca9d0 | 4925 | |
6665d057 MH |
4926 | bacpy(&cp.bdaddr, &ev->bdaddr); |
4927 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, | |
4928 | sizeof(cp), &cp); | |
4929 | goto unlock; | |
4930 | } | |
2763eda6 | 4931 | |
6665d057 MH |
4932 | if (bredr_sc_enabled(hdev)) { |
4933 | struct hci_cp_remote_oob_ext_data_reply cp; | |
519ca9d0 | 4934 | |
6665d057 | 4935 | bacpy(&cp.bdaddr, &ev->bdaddr); |
d7a5a11d | 4936 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { |
6665d057 MH |
4937 | memset(cp.hash192, 0, sizeof(cp.hash192)); |
4938 | memset(cp.rand192, 0, sizeof(cp.rand192)); | |
4939 | } else { | |
4940 | memcpy(cp.hash192, data->hash192, sizeof(cp.hash192)); | |
4941 | memcpy(cp.rand192, data->rand192, sizeof(cp.rand192)); | |
519ca9d0 | 4942 | } |
6665d057 MH |
4943 | memcpy(cp.hash256, data->hash256, sizeof(cp.hash256)); |
4944 | memcpy(cp.rand256, data->rand256, sizeof(cp.rand256)); | |
4945 | ||
4946 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY, | |
4947 | sizeof(cp), &cp); | |
2763eda6 | 4948 | } else { |
6665d057 | 4949 | struct hci_cp_remote_oob_data_reply cp; |
2763eda6 SJ |
4950 | |
4951 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
6665d057 MH |
4952 | memcpy(cp.hash, data->hash192, sizeof(cp.hash)); |
4953 | memcpy(cp.rand, data->rand192, sizeof(cp.rand)); | |
4954 | ||
4955 | hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, | |
519ca9d0 | 4956 | sizeof(cp), &cp); |
2763eda6 SJ |
4957 | } |
4958 | ||
e1ba1f15 | 4959 | unlock: |
2763eda6 SJ |
4960 | hci_dev_unlock(hdev); |
4961 | } | |
4962 | ||
a77a6a14 AW |
4963 | #if IS_ENABLED(CONFIG_BT_HS) |
4964 | static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
4965 | { | |
4966 | struct hci_ev_channel_selected *ev = (void *)skb->data; | |
4967 | struct hci_conn *hcon; | |
4968 | ||
4969 | BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); | |
4970 | ||
4971 | skb_pull(skb, sizeof(*ev)); | |
4972 | ||
4973 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
4974 | if (!hcon) | |
4975 | return; | |
4976 | ||
4977 | amp_read_loc_assoc_final_data(hdev, hcon); | |
4978 | } | |
4979 | ||
d5e91192 AE |
4980 | static void hci_phy_link_complete_evt(struct hci_dev *hdev, |
4981 | struct sk_buff *skb) | |
4982 | { | |
4983 | struct hci_ev_phy_link_complete *ev = (void *) skb->data; | |
4984 | struct hci_conn *hcon, *bredr_hcon; | |
4985 | ||
4986 | BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, | |
4987 | ev->status); | |
4988 | ||
4989 | hci_dev_lock(hdev); | |
4990 | ||
4991 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
3ae1dc75 SS |
4992 | if (!hcon) |
4993 | goto unlock; | |
d5e91192 | 4994 | |
3ae1dc75 SS |
4995 | if (!hcon->amp_mgr) |
4996 | goto unlock; | |
6dfccd13 | 4997 | |
d5e91192 AE |
4998 | if (ev->status) { |
4999 | hci_conn_del(hcon); | |
3ae1dc75 | 5000 | goto unlock; |
d5e91192 AE |
5001 | } |
5002 | ||
5003 | bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; | |
5004 | ||
5005 | hcon->state = BT_CONNECTED; | |
5006 | bacpy(&hcon->dst, &bredr_hcon->dst); | |
5007 | ||
5008 | hci_conn_hold(hcon); | |
5009 | hcon->disc_timeout = HCI_DISCONN_TIMEOUT; | |
76a68ba0 | 5010 | hci_conn_drop(hcon); |
d5e91192 | 5011 | |
23b9ceb7 | 5012 | hci_debugfs_create_conn(hcon); |
d5e91192 AE |
5013 | hci_conn_add_sysfs(hcon); |
5014 | ||
cf70ff22 | 5015 | amp_physical_cfm(bredr_hcon, hcon); |
d5e91192 | 5016 | |
3ae1dc75 | 5017 | unlock: |
cf70ff22 | 5018 | hci_dev_unlock(hdev); |
d5e91192 AE |
5019 | } |
5020 | ||
27695fb4 AE |
5021 | static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5022 | { | |
5023 | struct hci_ev_logical_link_complete *ev = (void *) skb->data; | |
5024 | struct hci_conn *hcon; | |
5025 | struct hci_chan *hchan; | |
5026 | struct amp_mgr *mgr; | |
5027 | ||
5028 | BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", | |
5029 | hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, | |
5030 | ev->status); | |
5031 | ||
5032 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
5033 | if (!hcon) | |
5034 | return; | |
5035 | ||
5036 | /* Create AMP hchan */ | |
5037 | hchan = hci_chan_create(hcon); | |
5038 | if (!hchan) | |
5039 | return; | |
5040 | ||
5041 | hchan->handle = le16_to_cpu(ev->handle); | |
5c4c8c95 | 5042 | hchan->amp = true; |
27695fb4 AE |
5043 | |
5044 | BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); | |
5045 | ||
5046 | mgr = hcon->amp_mgr; | |
5047 | if (mgr && mgr->bredr_chan) { | |
5048 | struct l2cap_chan *bredr_chan = mgr->bredr_chan; | |
5049 | ||
5050 | l2cap_chan_lock(bredr_chan); | |
5051 | ||
5052 | bredr_chan->conn->mtu = hdev->block_mtu; | |
5053 | l2cap_logical_cfm(bredr_chan, hchan, 0); | |
5054 | hci_conn_hold(hcon); | |
5055 | ||
5056 | l2cap_chan_unlock(bredr_chan); | |
5057 | } | |
5058 | } | |
5059 | ||
606e2a10 AE |
5060 | static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, |
5061 | struct sk_buff *skb) | |
5062 | { | |
5063 | struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; | |
5064 | struct hci_chan *hchan; | |
5065 | ||
5066 | BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, | |
5067 | le16_to_cpu(ev->handle), ev->status); | |
5068 | ||
5069 | if (ev->status) | |
5070 | return; | |
5071 | ||
5072 | hci_dev_lock(hdev); | |
5073 | ||
5074 | hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); | |
5c4c8c95 | 5075 | if (!hchan || !hchan->amp) |
606e2a10 AE |
5076 | goto unlock; |
5077 | ||
5078 | amp_destroy_logical_link(hchan, ev->reason); | |
5079 | ||
5080 | unlock: | |
5081 | hci_dev_unlock(hdev); | |
5082 | } | |
5083 | ||
9eef6b3a AE |
5084 | static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, |
5085 | struct sk_buff *skb) | |
5086 | { | |
5087 | struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; | |
5088 | struct hci_conn *hcon; | |
5089 | ||
5090 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5091 | ||
5092 | if (ev->status) | |
5093 | return; | |
5094 | ||
5095 | hci_dev_lock(hdev); | |
5096 | ||
5097 | hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); | |
5098 | if (hcon) { | |
5099 | hcon->state = BT_CLOSED; | |
5100 | hci_conn_del(hcon); | |
5101 | } | |
5102 | ||
5103 | hci_dev_unlock(hdev); | |
5104 | } | |
a77a6a14 | 5105 | #endif |
9eef6b3a | 5106 | |
d12fb056 JK |
5107 | static void le_conn_complete_evt(struct hci_dev *hdev, u8 status, |
5108 | bdaddr_t *bdaddr, u8 bdaddr_type, u8 role, u16 handle, | |
5109 | u16 interval, u16 latency, u16 supervision_timeout) | |
fcd89c09 | 5110 | { |
912b42ef | 5111 | struct hci_conn_params *params; |
fcd89c09 | 5112 | struct hci_conn *conn; |
68d6f6de | 5113 | struct smp_irk *irk; |
837d502e | 5114 | u8 addr_type; |
fcd89c09 | 5115 | |
fcd89c09 VT |
5116 | hci_dev_lock(hdev); |
5117 | ||
fbd96c15 JH |
5118 | /* All controllers implicitly stop advertising in the event of a |
5119 | * connection, so ensure that the state bit is cleared. | |
5120 | */ | |
a358dc11 | 5121 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
fbd96c15 | 5122 | |
e7d9ab73 | 5123 | conn = hci_lookup_le_connect(hdev); |
b62f328b | 5124 | if (!conn) { |
d12fb056 | 5125 | conn = hci_conn_add(hdev, LE_LINK, bdaddr, role); |
b62f328b | 5126 | if (!conn) { |
2064ee33 | 5127 | bt_dev_err(hdev, "no memory for new connection"); |
230fd16a | 5128 | goto unlock; |
b62f328b | 5129 | } |
29b7988a | 5130 | |
d12fb056 | 5131 | conn->dst_type = bdaddr_type; |
b9b343d2 | 5132 | |
cb1d68f7 JH |
5133 | /* If we didn't have a hci_conn object previously |
5134 | * but we're in master role this must be something | |
5135 | * initiated using a white list. Since white list based | |
5136 | * connections are not "first class citizens" we don't | |
5137 | * have full tracking of them. Therefore, we go ahead | |
5138 | * with a "best effort" approach of determining the | |
5139 | * initiator address based on the HCI_PRIVACY flag. | |
5140 | */ | |
5141 | if (conn->out) { | |
d12fb056 JK |
5142 | conn->resp_addr_type = bdaddr_type; |
5143 | bacpy(&conn->resp_addr, bdaddr); | |
d7a5a11d | 5144 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
cb1d68f7 JH |
5145 | conn->init_addr_type = ADDR_LE_DEV_RANDOM; |
5146 | bacpy(&conn->init_addr, &hdev->rpa); | |
5147 | } else { | |
5148 | hci_copy_identity_address(hdev, | |
5149 | &conn->init_addr, | |
5150 | &conn->init_addr_type); | |
5151 | } | |
cb1d68f7 | 5152 | } |
9489eca4 JH |
5153 | } else { |
5154 | cancel_delayed_work(&conn->le_conn_timeout); | |
b62f328b | 5155 | } |
fcd89c09 | 5156 | |
80c24ab8 JH |
5157 | if (!conn->out) { |
5158 | /* Set the responder (our side) address type based on | |
5159 | * the advertising address type. | |
5160 | */ | |
5161 | conn->resp_addr_type = hdev->adv_addr_type; | |
acf0aeae JK |
5162 | if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) { |
5163 | /* In case of ext adv, resp_addr will be updated in | |
5164 | * Adv Terminated event. | |
5165 | */ | |
5166 | if (!ext_adv_capable(hdev)) | |
5167 | bacpy(&conn->resp_addr, &hdev->random_addr); | |
5168 | } else { | |
80c24ab8 | 5169 | bacpy(&conn->resp_addr, &hdev->bdaddr); |
acf0aeae | 5170 | } |
80c24ab8 | 5171 | |
d12fb056 JK |
5172 | conn->init_addr_type = bdaddr_type; |
5173 | bacpy(&conn->init_addr, bdaddr); | |
a720d735 MH |
5174 | |
5175 | /* For incoming connections, set the default minimum | |
5176 | * and maximum connection interval. They will be used | |
5177 | * to check if the parameters are in range and if not | |
5178 | * trigger the connection update procedure. | |
5179 | */ | |
5180 | conn->le_conn_min_interval = hdev->le_conn_min_interval; | |
5181 | conn->le_conn_max_interval = hdev->le_conn_max_interval; | |
80c24ab8 | 5182 | } |
7be2edbb | 5183 | |
edb4b466 MH |
5184 | /* Lookup the identity address from the stored connection |
5185 | * address and address type. | |
5186 | * | |
5187 | * When establishing connections to an identity address, the | |
5188 | * connection procedure will store the resolvable random | |
5189 | * address first. Now if it can be converted back into the | |
5190 | * identity address, start using the identity address from | |
5191 | * now on. | |
5192 | */ | |
5193 | irk = hci_get_irk(hdev, &conn->dst, conn->dst_type); | |
68d6f6de JH |
5194 | if (irk) { |
5195 | bacpy(&conn->dst, &irk->bdaddr); | |
5196 | conn->dst_type = irk->addr_type; | |
5197 | } | |
5198 | ||
79699a70 SN |
5199 | /* When using controller based address resolution, then the new |
5200 | * address types 0x02 and 0x03 are used. These types need to be | |
5201 | * converted back into either public address or random address type | |
5202 | */ | |
5203 | if (use_ll_privacy(hdev) && | |
5204 | hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) && | |
5205 | hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) { | |
5206 | switch (conn->dst_type) { | |
5207 | case ADDR_LE_DEV_PUBLIC_RESOLVED: | |
5208 | conn->dst_type = ADDR_LE_DEV_PUBLIC; | |
5209 | break; | |
5210 | case ADDR_LE_DEV_RANDOM_RESOLVED: | |
5211 | conn->dst_type = ADDR_LE_DEV_RANDOM; | |
5212 | break; | |
5213 | } | |
5214 | } | |
5215 | ||
d12fb056 JK |
5216 | if (status) { |
5217 | hci_le_conn_failed(conn, status); | |
837d502e JH |
5218 | goto unlock; |
5219 | } | |
5220 | ||
08853f18 JH |
5221 | if (conn->dst_type == ADDR_LE_DEV_PUBLIC) |
5222 | addr_type = BDADDR_LE_PUBLIC; | |
5223 | else | |
5224 | addr_type = BDADDR_LE_RANDOM; | |
5225 | ||
2d3c2260 JH |
5226 | /* Drop the connection if the device is blocked */ |
5227 | if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) { | |
5228 | hci_conn_drop(conn); | |
cd17decb AG |
5229 | goto unlock; |
5230 | } | |
5231 | ||
b644ba33 | 5232 | if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) |
1c6ed31b | 5233 | mgmt_device_connected(hdev, conn, NULL, 0); |
83bc71b4 | 5234 | |
7b5c0d52 | 5235 | conn->sec_level = BT_SECURITY_LOW; |
d12fb056 | 5236 | conn->handle = handle; |
0fe29fd1 | 5237 | conn->state = BT_CONFIG; |
fcd89c09 | 5238 | |
d12fb056 JK |
5239 | conn->le_conn_interval = interval; |
5240 | conn->le_conn_latency = latency; | |
5241 | conn->le_supv_timeout = supervision_timeout; | |
e04fde60 | 5242 | |
23b9ceb7 | 5243 | hci_debugfs_create_conn(conn); |
fcd89c09 VT |
5244 | hci_conn_add_sysfs(conn); |
5245 | ||
ef365da1 | 5246 | /* The remote features procedure is defined for central |
d17010bf CIK |
5247 | * role only. So only in case of an initiated connection |
5248 | * request the remote features. | |
5249 | * | |
ef365da1 AP |
5250 | * If the local controller supports peripheral-initiated features |
5251 | * exchange, then requesting the remote features in peripheral | |
d17010bf CIK |
5252 | * role is possible. Otherwise just transition into the |
5253 | * connected state without requesting the remote features. | |
5254 | */ | |
5255 | if (conn->out || | |
ef365da1 | 5256 | (hdev->le_features[0] & HCI_LE_PERIPHERAL_FEATURES)) { |
d17010bf | 5257 | struct hci_cp_le_read_remote_features cp; |
0fe29fd1 | 5258 | |
d17010bf | 5259 | cp.handle = __cpu_to_le16(conn->handle); |
0fe29fd1 | 5260 | |
d17010bf CIK |
5261 | hci_send_cmd(hdev, HCI_OP_LE_READ_REMOTE_FEATURES, |
5262 | sizeof(cp), &cp); | |
0fe29fd1 | 5263 | |
d17010bf | 5264 | hci_conn_hold(conn); |
0fe29fd1 | 5265 | } else { |
d17010bf | 5266 | conn->state = BT_CONNECTED; |
d12fb056 | 5267 | hci_connect_cfm(conn, status); |
0fe29fd1 | 5268 | } |
fcd89c09 | 5269 | |
5477610f JH |
5270 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst, |
5271 | conn->dst_type); | |
f161dd41 | 5272 | if (params) { |
95305baa | 5273 | list_del_init(¶ms->action); |
f161dd41 JH |
5274 | if (params->conn) { |
5275 | hci_conn_drop(params->conn); | |
f8aaf9b6 | 5276 | hci_conn_put(params->conn); |
f161dd41 JH |
5277 | params->conn = NULL; |
5278 | } | |
5279 | } | |
a4790dbd | 5280 | |
fcd89c09 | 5281 | unlock: |
223683a5 | 5282 | hci_update_background_scan(hdev); |
fcd89c09 VT |
5283 | hci_dev_unlock(hdev); |
5284 | } | |
5285 | ||
d12fb056 JK |
5286 | static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5287 | { | |
5288 | struct hci_ev_le_conn_complete *ev = (void *) skb->data; | |
5289 | ||
5290 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5291 | ||
5292 | le_conn_complete_evt(hdev, ev->status, &ev->bdaddr, ev->bdaddr_type, | |
5293 | ev->role, le16_to_cpu(ev->handle), | |
5294 | le16_to_cpu(ev->interval), | |
5295 | le16_to_cpu(ev->latency), | |
5296 | le16_to_cpu(ev->supervision_timeout)); | |
5297 | } | |
5298 | ||
4d94f95d JK |
5299 | static void hci_le_enh_conn_complete_evt(struct hci_dev *hdev, |
5300 | struct sk_buff *skb) | |
5301 | { | |
5302 | struct hci_ev_le_enh_conn_complete *ev = (void *) skb->data; | |
5303 | ||
5304 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5305 | ||
5306 | le_conn_complete_evt(hdev, ev->status, &ev->bdaddr, ev->bdaddr_type, | |
5307 | ev->role, le16_to_cpu(ev->handle), | |
5308 | le16_to_cpu(ev->interval), | |
5309 | le16_to_cpu(ev->latency), | |
5310 | le16_to_cpu(ev->supervision_timeout)); | |
5c49bcce SN |
5311 | |
5312 | if (use_ll_privacy(hdev) && | |
cbbdfa6f | 5313 | hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) && |
5c49bcce SN |
5314 | hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) |
5315 | hci_req_disable_address_resolution(hdev); | |
4d94f95d JK |
5316 | } |
5317 | ||
acf0aeae JK |
5318 | static void hci_le_ext_adv_term_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5319 | { | |
5320 | struct hci_evt_le_ext_adv_set_term *ev = (void *) skb->data; | |
5321 | struct hci_conn *conn; | |
5322 | ||
5323 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5324 | ||
5325 | if (ev->status) | |
5326 | return; | |
5327 | ||
5328 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->conn_handle)); | |
5329 | if (conn) { | |
5330 | struct adv_info *adv_instance; | |
5331 | ||
5332 | if (hdev->adv_addr_type != ADDR_LE_DEV_RANDOM) | |
5333 | return; | |
5334 | ||
25e70886 | 5335 | if (!ev->handle) { |
acf0aeae JK |
5336 | bacpy(&conn->resp_addr, &hdev->random_addr); |
5337 | return; | |
5338 | } | |
5339 | ||
25e70886 | 5340 | adv_instance = hci_find_adv_instance(hdev, ev->handle); |
acf0aeae JK |
5341 | if (adv_instance) |
5342 | bacpy(&conn->resp_addr, &adv_instance->random_addr); | |
5343 | } | |
5344 | } | |
5345 | ||
1855d92d MH |
5346 | static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, |
5347 | struct sk_buff *skb) | |
5348 | { | |
5349 | struct hci_ev_le_conn_update_complete *ev = (void *) skb->data; | |
5350 | struct hci_conn *conn; | |
5351 | ||
5352 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5353 | ||
5354 | if (ev->status) | |
5355 | return; | |
5356 | ||
5357 | hci_dev_lock(hdev); | |
5358 | ||
5359 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
5360 | if (conn) { | |
5361 | conn->le_conn_interval = le16_to_cpu(ev->interval); | |
5362 | conn->le_conn_latency = le16_to_cpu(ev->latency); | |
5363 | conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout); | |
5364 | } | |
5365 | ||
5366 | hci_dev_unlock(hdev); | |
5367 | } | |
5368 | ||
a4790dbd | 5369 | /* This function requires the caller holds hdev->lock */ |
fd45ada9 AA |
5370 | static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, |
5371 | bdaddr_t *addr, | |
082f2300 SJ |
5372 | u8 addr_type, u8 adv_type, |
5373 | bdaddr_t *direct_rpa) | |
a4790dbd AG |
5374 | { |
5375 | struct hci_conn *conn; | |
4b9e7e75 | 5376 | struct hci_conn_params *params; |
a4790dbd | 5377 | |
1c1abcab JH |
5378 | /* If the event is not connectable don't proceed further */ |
5379 | if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND) | |
fd45ada9 | 5380 | return NULL; |
1c1abcab JH |
5381 | |
5382 | /* Ignore if the device is blocked */ | |
dcc36c16 | 5383 | if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type)) |
fd45ada9 | 5384 | return NULL; |
1c1abcab | 5385 | |
f99353cf JH |
5386 | /* Most controller will fail if we try to create new connections |
5387 | * while we have an existing one in slave role. | |
5388 | */ | |
4364f2e9 AM |
5389 | if (hdev->conn_hash.le_num_slave > 0 && |
5390 | (!test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) || | |
5391 | !(hdev->le_states[3] & 0x10))) | |
fd45ada9 | 5392 | return NULL; |
f99353cf | 5393 | |
1c1abcab JH |
5394 | /* If we're not connectable only connect devices that we have in |
5395 | * our pend_le_conns list. | |
5396 | */ | |
49c50922 JH |
5397 | params = hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, |
5398 | addr_type); | |
4b9e7e75 | 5399 | if (!params) |
fd45ada9 | 5400 | return NULL; |
4b9e7e75 | 5401 | |
28a667c9 JP |
5402 | if (!params->explicit_connect) { |
5403 | switch (params->auto_connect) { | |
5404 | case HCI_AUTO_CONN_DIRECT: | |
5405 | /* Only devices advertising with ADV_DIRECT_IND are | |
5406 | * triggering a connection attempt. This is allowing | |
5407 | * incoming connections from slave devices. | |
5408 | */ | |
5409 | if (adv_type != LE_ADV_DIRECT_IND) | |
5410 | return NULL; | |
5411 | break; | |
5412 | case HCI_AUTO_CONN_ALWAYS: | |
5413 | /* Devices advertising with ADV_IND or ADV_DIRECT_IND | |
5414 | * are triggering a connection attempt. This means | |
1e5479be | 5415 | * that incoming connections from slave device are |
28a667c9 JP |
5416 | * accepted and also outgoing connections to slave |
5417 | * devices are established when found. | |
5418 | */ | |
5419 | break; | |
5420 | default: | |
fd45ada9 | 5421 | return NULL; |
28a667c9 | 5422 | } |
4b9e7e75 | 5423 | } |
a4790dbd AG |
5424 | |
5425 | conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, | |
49b020c1 | 5426 | hdev->def_le_autoconnect_timeout, HCI_ROLE_MASTER, |
082f2300 | 5427 | direct_rpa); |
f161dd41 | 5428 | if (!IS_ERR(conn)) { |
28a667c9 JP |
5429 | /* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned |
5430 | * by higher layer that tried to connect, if no then | |
5431 | * store the pointer since we don't really have any | |
f161dd41 JH |
5432 | * other owner of the object besides the params that |
5433 | * triggered it. This way we can abort the connection if | |
5434 | * the parameters get removed and keep the reference | |
5435 | * count consistent once the connection is established. | |
5436 | */ | |
28a667c9 JP |
5437 | |
5438 | if (!params->explicit_connect) | |
5439 | params->conn = hci_conn_get(conn); | |
5440 | ||
fd45ada9 | 5441 | return conn; |
f161dd41 | 5442 | } |
a4790dbd AG |
5443 | |
5444 | switch (PTR_ERR(conn)) { | |
5445 | case -EBUSY: | |
5446 | /* If hci_connect() returns -EBUSY it means there is already | |
5447 | * an LE connection attempt going on. Since controllers don't | |
5448 | * support more than one connection attempt at the time, we | |
5449 | * don't consider this an error case. | |
5450 | */ | |
5451 | break; | |
5452 | default: | |
5453 | BT_DBG("Failed to connect: err %ld", PTR_ERR(conn)); | |
fd45ada9 | 5454 | return NULL; |
a4790dbd | 5455 | } |
fd45ada9 AA |
5456 | |
5457 | return NULL; | |
a4790dbd AG |
5458 | } |
5459 | ||
4af605d8 | 5460 | static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, |
2f010b55 | 5461 | u8 bdaddr_type, bdaddr_t *direct_addr, |
a2ec905d AM |
5462 | u8 direct_addr_type, s8 rssi, u8 *data, u8 len, |
5463 | bool ext_adv) | |
4af605d8 | 5464 | { |
b9a6328f | 5465 | struct discovery_state *d = &hdev->discovery; |
1c1abcab | 5466 | struct smp_irk *irk; |
fd45ada9 | 5467 | struct hci_conn *conn; |
474ee066 | 5468 | bool match; |
c70a7e4c | 5469 | u32 flags; |
1c58e933 | 5470 | u8 *ptr; |
6818375e | 5471 | |
56b40fbf JH |
5472 | switch (type) { |
5473 | case LE_ADV_IND: | |
5474 | case LE_ADV_DIRECT_IND: | |
5475 | case LE_ADV_SCAN_IND: | |
5476 | case LE_ADV_NONCONN_IND: | |
5477 | case LE_ADV_SCAN_RSP: | |
5478 | break; | |
5479 | default: | |
2064ee33 MH |
5480 | bt_dev_err_ratelimited(hdev, "unknown advertising packet " |
5481 | "type: 0x%02x", type); | |
56b40fbf JH |
5482 | return; |
5483 | } | |
5484 | ||
a2ec905d AM |
5485 | if (!ext_adv && len > HCI_MAX_AD_LENGTH) { |
5486 | bt_dev_err_ratelimited(hdev, "legacy adv larger than 31 bytes"); | |
5487 | return; | |
5488 | } | |
5489 | ||
6818375e SJ |
5490 | /* Find the end of the data in case the report contains padded zero |
5491 | * bytes at the end causing an invalid length value. | |
5492 | * | |
5493 | * When data is NULL, len is 0 so there is no need for extra ptr | |
5494 | * check as 'ptr < data + 0' is already false in such case. | |
5495 | */ | |
5496 | for (ptr = data; ptr < data + len && *ptr; ptr += *ptr + 1) { | |
5497 | if (ptr + 1 + *ptr > data + len) | |
5498 | break; | |
5499 | } | |
5500 | ||
1c58e933 SJ |
5501 | /* Adjust for actual length. This handles the case when remote |
5502 | * device is advertising with incorrect data length. | |
5503 | */ | |
5504 | len = ptr - data; | |
b9a6328f | 5505 | |
2f010b55 MH |
5506 | /* If the direct address is present, then this report is from |
5507 | * a LE Direct Advertising Report event. In that case it is | |
5508 | * important to see if the address is matching the local | |
5509 | * controller address. | |
5510 | */ | |
5511 | if (direct_addr) { | |
5512 | /* Only resolvable random addresses are valid for these | |
5513 | * kind of reports and others can be ignored. | |
5514 | */ | |
5515 | if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type)) | |
5516 | return; | |
5517 | ||
5518 | /* If the controller is not using resolvable random | |
5519 | * addresses, then this report can be ignored. | |
5520 | */ | |
d7a5a11d | 5521 | if (!hci_dev_test_flag(hdev, HCI_PRIVACY)) |
2f010b55 MH |
5522 | return; |
5523 | ||
5524 | /* If the local IRK of the controller does not match | |
5525 | * with the resolvable random address provided, then | |
5526 | * this report can be ignored. | |
5527 | */ | |
5528 | if (!smp_irk_matches(hdev, hdev->irk, direct_addr)) | |
5529 | return; | |
5530 | } | |
5531 | ||
1c1abcab JH |
5532 | /* Check if we need to convert to identity address */ |
5533 | irk = hci_get_irk(hdev, bdaddr, bdaddr_type); | |
5534 | if (irk) { | |
5535 | bdaddr = &irk->bdaddr; | |
5536 | bdaddr_type = irk->addr_type; | |
5537 | } | |
5538 | ||
082f2300 SJ |
5539 | /* Check if we have been requested to connect to this device. |
5540 | * | |
5541 | * direct_addr is set only for directed advertising reports (it is NULL | |
5542 | * for advertising reports) and is already verified to be RPA above. | |
5543 | */ | |
5544 | conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type, | |
5545 | direct_addr); | |
a2ec905d | 5546 | if (!ext_adv && conn && type == LE_ADV_IND && len <= HCI_MAX_AD_LENGTH) { |
fd45ada9 AA |
5547 | /* Store report for later inclusion by |
5548 | * mgmt_device_connected | |
5549 | */ | |
5550 | memcpy(conn->le_adv_data, data, len); | |
5551 | conn->le_adv_data_len = len; | |
5552 | } | |
1c1abcab | 5553 | |
0d2bf134 JH |
5554 | /* Passive scanning shouldn't trigger any device found events, |
5555 | * except for devices marked as CONN_REPORT for which we do send | |
8208f5a9 | 5556 | * device found events, or advertisement monitoring requested. |
0d2bf134 | 5557 | */ |
ca5c4be7 | 5558 | if (hdev->le_scan_type == LE_SCAN_PASSIVE) { |
0d2bf134 JH |
5559 | if (type == LE_ADV_DIRECT_IND) |
5560 | return; | |
5561 | ||
3a19b6fe | 5562 | if (!hci_pend_le_action_lookup(&hdev->pend_le_reports, |
8208f5a9 MC |
5563 | bdaddr, bdaddr_type) && |
5564 | idr_is_empty(&hdev->adv_monitors_idr)) | |
0d2bf134 JH |
5565 | return; |
5566 | ||
5567 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND) | |
5568 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
5569 | else | |
5570 | flags = 0; | |
5571 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
5572 | rssi, flags, data, len, NULL, 0); | |
97bf2e99 | 5573 | return; |
ca5c4be7 | 5574 | } |
4af605d8 | 5575 | |
c70a7e4c MH |
5576 | /* When receiving non-connectable or scannable undirected |
5577 | * advertising reports, this means that the remote device is | |
5578 | * not connectable and then clearly indicate this in the | |
5579 | * device found event. | |
5580 | * | |
5581 | * When receiving a scan response, then there is no way to | |
5582 | * know if the remote device is connectable or not. However | |
5583 | * since scan responses are merged with a previously seen | |
5584 | * advertising report, the flags field from that report | |
5585 | * will be used. | |
5586 | * | |
5587 | * In the really unlikely case that a controller get confused | |
5588 | * and just sends a scan response event, then it is marked as | |
5589 | * not connectable as well. | |
5590 | */ | |
5591 | if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND || | |
5592 | type == LE_ADV_SCAN_RSP) | |
5593 | flags = MGMT_DEV_FOUND_NOT_CONNECTABLE; | |
5594 | else | |
5595 | flags = 0; | |
5596 | ||
b9a6328f JH |
5597 | /* If there's nothing pending either store the data from this |
5598 | * event or send an immediate device found event if the data | |
5599 | * should not be stored for later. | |
5600 | */ | |
a2ec905d | 5601 | if (!ext_adv && !has_pending_adv_report(hdev)) { |
b9a6328f JH |
5602 | /* If the report will trigger a SCAN_REQ store it for |
5603 | * later merging. | |
5604 | */ | |
5605 | if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) { | |
5606 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, | |
c70a7e4c | 5607 | rssi, flags, data, len); |
b9a6328f JH |
5608 | return; |
5609 | } | |
5610 | ||
5611 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, | |
c70a7e4c | 5612 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
5613 | return; |
5614 | } | |
5615 | ||
474ee066 JH |
5616 | /* Check if the pending report is for the same device as the new one */ |
5617 | match = (!bacmp(bdaddr, &d->last_adv_addr) && | |
5618 | bdaddr_type == d->last_adv_addr_type); | |
5619 | ||
b9a6328f JH |
5620 | /* If the pending data doesn't match this report or this isn't a |
5621 | * scan response (e.g. we got a duplicate ADV_IND) then force | |
5622 | * sending of the pending data. | |
5623 | */ | |
474ee066 JH |
5624 | if (type != LE_ADV_SCAN_RSP || !match) { |
5625 | /* Send out whatever is in the cache, but skip duplicates */ | |
5626 | if (!match) | |
5627 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
ff5cd29f | 5628 | d->last_adv_addr_type, NULL, |
c70a7e4c | 5629 | d->last_adv_rssi, d->last_adv_flags, |
ff5cd29f | 5630 | d->last_adv_data, |
474ee066 | 5631 | d->last_adv_data_len, NULL, 0); |
b9a6328f JH |
5632 | |
5633 | /* If the new report will trigger a SCAN_REQ store it for | |
5634 | * later merging. | |
5635 | */ | |
a2ec905d AM |
5636 | if (!ext_adv && (type == LE_ADV_IND || |
5637 | type == LE_ADV_SCAN_IND)) { | |
b9a6328f | 5638 | store_pending_adv_report(hdev, bdaddr, bdaddr_type, |
c70a7e4c | 5639 | rssi, flags, data, len); |
b9a6328f JH |
5640 | return; |
5641 | } | |
5642 | ||
5643 | /* The advertising reports cannot be merged, so clear | |
5644 | * the pending report and send out a device found event. | |
5645 | */ | |
5646 | clear_pending_adv_report(hdev); | |
5c5b93e4 | 5647 | mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL, |
c70a7e4c | 5648 | rssi, flags, data, len, NULL, 0); |
b9a6328f JH |
5649 | return; |
5650 | } | |
5651 | ||
5652 | /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and | |
5653 | * the new event is a SCAN_RSP. We can therefore proceed with | |
5654 | * sending a merged device found event. | |
5655 | */ | |
5656 | mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK, | |
c70a7e4c | 5657 | d->last_adv_addr_type, NULL, rssi, d->last_adv_flags, |
42bd6a56 | 5658 | d->last_adv_data, d->last_adv_data_len, data, len); |
b9a6328f | 5659 | clear_pending_adv_report(hdev); |
4af605d8 JH |
5660 | } |
5661 | ||
6039aa73 | 5662 | static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) |
9aa04c91 | 5663 | { |
e95beb41 AG |
5664 | u8 num_reports = skb->data[0]; |
5665 | void *ptr = &skb->data[1]; | |
9aa04c91 | 5666 | |
a4790dbd AG |
5667 | hci_dev_lock(hdev); |
5668 | ||
e95beb41 AG |
5669 | while (num_reports--) { |
5670 | struct hci_ev_le_advertising_info *ev = ptr; | |
4af605d8 | 5671 | s8 rssi; |
a4790dbd | 5672 | |
ee649346 CC |
5673 | if (ev->length <= HCI_MAX_AD_LENGTH) { |
5674 | rssi = ev->data[ev->length]; | |
5675 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, | |
5676 | ev->bdaddr_type, NULL, 0, rssi, | |
a2ec905d | 5677 | ev->data, ev->length, false); |
ee649346 CC |
5678 | } else { |
5679 | bt_dev_err(hdev, "Dropping invalid advertising data"); | |
5680 | } | |
3c9e9195 | 5681 | |
e95beb41 | 5682 | ptr += sizeof(*ev) + ev->length + 1; |
9aa04c91 | 5683 | } |
a4790dbd AG |
5684 | |
5685 | hci_dev_unlock(hdev); | |
9aa04c91 AG |
5686 | } |
5687 | ||
657cc646 | 5688 | static u8 ext_evt_type_to_legacy(struct hci_dev *hdev, u16 evt_type) |
b2cc9761 JK |
5689 | { |
5690 | if (evt_type & LE_EXT_ADV_LEGACY_PDU) { | |
5691 | switch (evt_type) { | |
5692 | case LE_LEGACY_ADV_IND: | |
5693 | return LE_ADV_IND; | |
5694 | case LE_LEGACY_ADV_DIRECT_IND: | |
5695 | return LE_ADV_DIRECT_IND; | |
5696 | case LE_LEGACY_ADV_SCAN_IND: | |
5697 | return LE_ADV_SCAN_IND; | |
5698 | case LE_LEGACY_NONCONN_IND: | |
5699 | return LE_ADV_NONCONN_IND; | |
5700 | case LE_LEGACY_SCAN_RSP_ADV: | |
5701 | case LE_LEGACY_SCAN_RSP_ADV_SCAN: | |
5702 | return LE_ADV_SCAN_RSP; | |
5703 | } | |
5704 | ||
657cc646 | 5705 | goto invalid; |
b2cc9761 JK |
5706 | } |
5707 | ||
5708 | if (evt_type & LE_EXT_ADV_CONN_IND) { | |
5709 | if (evt_type & LE_EXT_ADV_DIRECT_IND) | |
5710 | return LE_ADV_DIRECT_IND; | |
5711 | ||
c215e939 | 5712 | return LE_ADV_IND; |
b2cc9761 JK |
5713 | } |
5714 | ||
5715 | if (evt_type & LE_EXT_ADV_SCAN_RSP) | |
5716 | return LE_ADV_SCAN_RSP; | |
5717 | ||
5718 | if (evt_type & LE_EXT_ADV_SCAN_IND) | |
c215e939 | 5719 | return LE_ADV_SCAN_IND; |
b2cc9761 JK |
5720 | |
5721 | if (evt_type == LE_EXT_ADV_NON_CONN_IND || | |
5722 | evt_type & LE_EXT_ADV_DIRECT_IND) | |
c215e939 | 5723 | return LE_ADV_NONCONN_IND; |
c215e939 | 5724 | |
657cc646 MH |
5725 | invalid: |
5726 | bt_dev_err_ratelimited(hdev, "Unknown advertising packet type: 0x%02x", | |
5727 | evt_type); | |
c215e939 JK |
5728 | |
5729 | return LE_ADV_INVALID; | |
5730 | } | |
5731 | ||
5732 | static void hci_le_ext_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
5733 | { | |
5734 | u8 num_reports = skb->data[0]; | |
5735 | void *ptr = &skb->data[1]; | |
5736 | ||
5737 | hci_dev_lock(hdev); | |
5738 | ||
5739 | while (num_reports--) { | |
5740 | struct hci_ev_le_ext_adv_report *ev = ptr; | |
5741 | u8 legacy_evt_type; | |
5742 | u16 evt_type; | |
5743 | ||
5744 | evt_type = __le16_to_cpu(ev->evt_type); | |
657cc646 | 5745 | legacy_evt_type = ext_evt_type_to_legacy(hdev, evt_type); |
c215e939 JK |
5746 | if (legacy_evt_type != LE_ADV_INVALID) { |
5747 | process_adv_report(hdev, legacy_evt_type, &ev->bdaddr, | |
5748 | ev->bdaddr_type, NULL, 0, ev->rssi, | |
a2ec905d AM |
5749 | ev->data, ev->length, |
5750 | !(evt_type & LE_EXT_ADV_LEGACY_PDU)); | |
c215e939 JK |
5751 | } |
5752 | ||
cd9151b6 | 5753 | ptr += sizeof(*ev) + ev->length; |
c215e939 JK |
5754 | } |
5755 | ||
5756 | hci_dev_unlock(hdev); | |
5757 | } | |
5758 | ||
0fe29fd1 MH |
5759 | static void hci_le_remote_feat_complete_evt(struct hci_dev *hdev, |
5760 | struct sk_buff *skb) | |
5761 | { | |
5762 | struct hci_ev_le_remote_feat_complete *ev = (void *)skb->data; | |
5763 | struct hci_conn *conn; | |
5764 | ||
5765 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5766 | ||
5767 | hci_dev_lock(hdev); | |
5768 | ||
5769 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
5770 | if (conn) { | |
5771 | if (!ev->status) | |
5772 | memcpy(conn->features[0], ev->features, 8); | |
5773 | ||
5774 | if (conn->state == BT_CONFIG) { | |
5775 | __u8 status; | |
5776 | ||
ef365da1 | 5777 | /* If the local controller supports peripheral-initiated |
0fe29fd1 MH |
5778 | * features exchange, but the remote controller does |
5779 | * not, then it is possible that the error code 0x1a | |
5780 | * for unsupported remote feature gets returned. | |
5781 | * | |
5782 | * In this specific case, allow the connection to | |
5783 | * transition into connected state and mark it as | |
5784 | * successful. | |
5785 | */ | |
ef365da1 AP |
5786 | if (!conn->out && ev->status == 0x1a && |
5787 | (hdev->le_features[0] & HCI_LE_PERIPHERAL_FEATURES)) | |
0fe29fd1 MH |
5788 | status = 0x00; |
5789 | else | |
5790 | status = ev->status; | |
5791 | ||
5792 | conn->state = BT_CONNECTED; | |
5793 | hci_connect_cfm(conn, status); | |
5794 | hci_conn_drop(conn); | |
5795 | } | |
5796 | } | |
5797 | ||
5798 | hci_dev_unlock(hdev); | |
5799 | } | |
5800 | ||
6039aa73 | 5801 | static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) |
a7a595f6 VCG |
5802 | { |
5803 | struct hci_ev_le_ltk_req *ev = (void *) skb->data; | |
5804 | struct hci_cp_le_ltk_reply cp; | |
bea710fe | 5805 | struct hci_cp_le_ltk_neg_reply neg; |
a7a595f6 | 5806 | struct hci_conn *conn; |
c9839a11 | 5807 | struct smp_ltk *ltk; |
a7a595f6 | 5808 | |
9f1db00c | 5809 | BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); |
a7a595f6 VCG |
5810 | |
5811 | hci_dev_lock(hdev); | |
5812 | ||
5813 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
bea710fe VCG |
5814 | if (conn == NULL) |
5815 | goto not_found; | |
a7a595f6 | 5816 | |
f3a73d97 | 5817 | ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role); |
5378bc56 | 5818 | if (!ltk) |
bea710fe VCG |
5819 | goto not_found; |
5820 | ||
5378bc56 JH |
5821 | if (smp_ltk_is_sc(ltk)) { |
5822 | /* With SC both EDiv and Rand are set to zero */ | |
5823 | if (ev->ediv || ev->rand) | |
5824 | goto not_found; | |
5825 | } else { | |
5826 | /* For non-SC keys check that EDiv and Rand match */ | |
5827 | if (ev->ediv != ltk->ediv || ev->rand != ltk->rand) | |
5828 | goto not_found; | |
5829 | } | |
5830 | ||
8b76ce34 JH |
5831 | memcpy(cp.ltk, ltk->val, ltk->enc_size); |
5832 | memset(cp.ltk + ltk->enc_size, 0, sizeof(cp.ltk) - ltk->enc_size); | |
a7a595f6 | 5833 | cp.handle = cpu_to_le16(conn->handle); |
c9839a11 | 5834 | |
a6f7833c | 5835 | conn->pending_sec_level = smp_ltk_sec_level(ltk); |
a7a595f6 | 5836 | |
89cbb4da | 5837 | conn->enc_key_size = ltk->enc_size; |
a7a595f6 VCG |
5838 | |
5839 | hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); | |
5840 | ||
5981a882 CT |
5841 | /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a |
5842 | * temporary key used to encrypt a connection following | |
5843 | * pairing. It is used during the Encrypted Session Setup to | |
5844 | * distribute the keys. Later, security can be re-established | |
5845 | * using a distributed LTK. | |
5846 | */ | |
2ceba539 | 5847 | if (ltk->type == SMP_STK) { |
fe59a05f | 5848 | set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); |
970d0f1b JH |
5849 | list_del_rcu(<k->list); |
5850 | kfree_rcu(ltk, rcu); | |
fe59a05f JH |
5851 | } else { |
5852 | clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags); | |
c9839a11 VCG |
5853 | } |
5854 | ||
a7a595f6 | 5855 | hci_dev_unlock(hdev); |
bea710fe VCG |
5856 | |
5857 | return; | |
5858 | ||
5859 | not_found: | |
5860 | neg.handle = ev->handle; | |
5861 | hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg); | |
5862 | hci_dev_unlock(hdev); | |
a7a595f6 VCG |
5863 | } |
5864 | ||
8e75b46a AG |
5865 | static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle, |
5866 | u8 reason) | |
5867 | { | |
5868 | struct hci_cp_le_conn_param_req_neg_reply cp; | |
5869 | ||
5870 | cp.handle = cpu_to_le16(handle); | |
5871 | cp.reason = reason; | |
5872 | ||
5873 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp), | |
5874 | &cp); | |
5875 | } | |
5876 | ||
5877 | static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev, | |
5878 | struct sk_buff *skb) | |
5879 | { | |
5880 | struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data; | |
5881 | struct hci_cp_le_conn_param_req_reply cp; | |
5882 | struct hci_conn *hcon; | |
5883 | u16 handle, min, max, latency, timeout; | |
5884 | ||
5885 | handle = le16_to_cpu(ev->handle); | |
5886 | min = le16_to_cpu(ev->interval_min); | |
5887 | max = le16_to_cpu(ev->interval_max); | |
5888 | latency = le16_to_cpu(ev->latency); | |
5889 | timeout = le16_to_cpu(ev->timeout); | |
5890 | ||
5891 | hcon = hci_conn_hash_lookup_handle(hdev, handle); | |
5892 | if (!hcon || hcon->state != BT_CONNECTED) | |
5893 | return send_conn_param_neg_reply(hdev, handle, | |
5894 | HCI_ERROR_UNKNOWN_CONN_ID); | |
5895 | ||
5896 | if (hci_check_conn_params(min, max, latency, timeout)) | |
5897 | return send_conn_param_neg_reply(hdev, handle, | |
5898 | HCI_ERROR_INVALID_LL_PARAMS); | |
5899 | ||
40bef302 | 5900 | if (hcon->role == HCI_ROLE_MASTER) { |
348d50b8 | 5901 | struct hci_conn_params *params; |
f4869e2a | 5902 | u8 store_hint; |
348d50b8 JH |
5903 | |
5904 | hci_dev_lock(hdev); | |
5905 | ||
5906 | params = hci_conn_params_lookup(hdev, &hcon->dst, | |
5907 | hcon->dst_type); | |
5908 | if (params) { | |
5909 | params->conn_min_interval = min; | |
5910 | params->conn_max_interval = max; | |
5911 | params->conn_latency = latency; | |
5912 | params->supervision_timeout = timeout; | |
f4869e2a | 5913 | store_hint = 0x01; |
149b3f13 | 5914 | } else { |
f4869e2a | 5915 | store_hint = 0x00; |
348d50b8 JH |
5916 | } |
5917 | ||
5918 | hci_dev_unlock(hdev); | |
5919 | ||
f4869e2a JH |
5920 | mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type, |
5921 | store_hint, min, max, latency, timeout); | |
348d50b8 | 5922 | } |
ffb5a827 | 5923 | |
8e75b46a AG |
5924 | cp.handle = ev->handle; |
5925 | cp.interval_min = ev->interval_min; | |
5926 | cp.interval_max = ev->interval_max; | |
5927 | cp.latency = ev->latency; | |
5928 | cp.timeout = ev->timeout; | |
5929 | cp.min_ce_len = 0; | |
5930 | cp.max_ce_len = 0; | |
5931 | ||
5932 | hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp); | |
5933 | } | |
5934 | ||
2f010b55 MH |
5935 | static void hci_le_direct_adv_report_evt(struct hci_dev *hdev, |
5936 | struct sk_buff *skb) | |
5937 | { | |
5938 | u8 num_reports = skb->data[0]; | |
f7e0e8b2 | 5939 | struct hci_ev_le_direct_adv_info *ev = (void *)&skb->data[1]; |
2f010b55 | 5940 | |
f7e0e8b2 PY |
5941 | if (!num_reports || skb->len < num_reports * sizeof(*ev) + 1) |
5942 | return; | |
2f010b55 | 5943 | |
f7e0e8b2 | 5944 | hci_dev_lock(hdev); |
2f010b55 | 5945 | |
f7e0e8b2 | 5946 | for (; num_reports; num_reports--, ev++) |
2f010b55 MH |
5947 | process_adv_report(hdev, ev->evt_type, &ev->bdaddr, |
5948 | ev->bdaddr_type, &ev->direct_addr, | |
a2ec905d AM |
5949 | ev->direct_addr_type, ev->rssi, NULL, 0, |
5950 | false); | |
2f010b55 | 5951 | |
2f010b55 MH |
5952 | hci_dev_unlock(hdev); |
5953 | } | |
5954 | ||
1efd927d LAD |
5955 | static void hci_le_phy_update_evt(struct hci_dev *hdev, struct sk_buff *skb) |
5956 | { | |
5957 | struct hci_ev_le_phy_update_complete *ev = (void *) skb->data; | |
5958 | struct hci_conn *conn; | |
5959 | ||
5960 | BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); | |
5961 | ||
87df8bcc | 5962 | if (ev->status) |
1efd927d LAD |
5963 | return; |
5964 | ||
5965 | hci_dev_lock(hdev); | |
5966 | ||
5967 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle)); | |
5968 | if (!conn) | |
5969 | goto unlock; | |
5970 | ||
5971 | conn->le_tx_phy = ev->tx_phy; | |
5972 | conn->le_rx_phy = ev->rx_phy; | |
5973 | ||
5974 | unlock: | |
5975 | hci_dev_unlock(hdev); | |
5976 | } | |
5977 | ||
6039aa73 | 5978 | static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) |
fcd89c09 VT |
5979 | { |
5980 | struct hci_ev_le_meta *le_ev = (void *) skb->data; | |
5981 | ||
5982 | skb_pull(skb, sizeof(*le_ev)); | |
5983 | ||
5984 | switch (le_ev->subevent) { | |
5985 | case HCI_EV_LE_CONN_COMPLETE: | |
5986 | hci_le_conn_complete_evt(hdev, skb); | |
5987 | break; | |
5988 | ||
1855d92d MH |
5989 | case HCI_EV_LE_CONN_UPDATE_COMPLETE: |
5990 | hci_le_conn_update_complete_evt(hdev, skb); | |
5991 | break; | |
5992 | ||
9aa04c91 AG |
5993 | case HCI_EV_LE_ADVERTISING_REPORT: |
5994 | hci_le_adv_report_evt(hdev, skb); | |
5995 | break; | |
5996 | ||
0fe29fd1 MH |
5997 | case HCI_EV_LE_REMOTE_FEAT_COMPLETE: |
5998 | hci_le_remote_feat_complete_evt(hdev, skb); | |
5999 | break; | |
6000 | ||
a7a595f6 VCG |
6001 | case HCI_EV_LE_LTK_REQ: |
6002 | hci_le_ltk_request_evt(hdev, skb); | |
6003 | break; | |
6004 | ||
8e75b46a AG |
6005 | case HCI_EV_LE_REMOTE_CONN_PARAM_REQ: |
6006 | hci_le_remote_conn_param_req_evt(hdev, skb); | |
6007 | break; | |
6008 | ||
2f010b55 MH |
6009 | case HCI_EV_LE_DIRECT_ADV_REPORT: |
6010 | hci_le_direct_adv_report_evt(hdev, skb); | |
6011 | break; | |
6012 | ||
1efd927d LAD |
6013 | case HCI_EV_LE_PHY_UPDATE_COMPLETE: |
6014 | hci_le_phy_update_evt(hdev, skb); | |
6015 | break; | |
6016 | ||
c215e939 JK |
6017 | case HCI_EV_LE_EXT_ADV_REPORT: |
6018 | hci_le_ext_adv_report_evt(hdev, skb); | |
6019 | break; | |
6020 | ||
4d94f95d JK |
6021 | case HCI_EV_LE_ENHANCED_CONN_COMPLETE: |
6022 | hci_le_enh_conn_complete_evt(hdev, skb); | |
6023 | break; | |
6024 | ||
acf0aeae JK |
6025 | case HCI_EV_LE_EXT_ADV_SET_TERM: |
6026 | hci_le_ext_adv_term_evt(hdev, skb); | |
6027 | break; | |
6028 | ||
fcd89c09 VT |
6029 | default: |
6030 | break; | |
6031 | } | |
6032 | } | |
6033 | ||
757aa0b5 JH |
6034 | static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode, |
6035 | u8 event, struct sk_buff *skb) | |
6036 | { | |
6037 | struct hci_ev_cmd_complete *ev; | |
6038 | struct hci_event_hdr *hdr; | |
6039 | ||
6040 | if (!skb) | |
6041 | return false; | |
6042 | ||
6043 | if (skb->len < sizeof(*hdr)) { | |
2064ee33 | 6044 | bt_dev_err(hdev, "too short HCI event"); |
757aa0b5 JH |
6045 | return false; |
6046 | } | |
6047 | ||
6048 | hdr = (void *) skb->data; | |
6049 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
6050 | ||
6051 | if (event) { | |
6052 | if (hdr->evt != event) | |
6053 | return false; | |
6054 | return true; | |
6055 | } | |
6056 | ||
91641b79 | 6057 | /* Check if request ended in Command Status - no way to retrieve |
1629db9c JH |
6058 | * any extra parameters in this case. |
6059 | */ | |
6060 | if (hdr->evt == HCI_EV_CMD_STATUS) | |
6061 | return false; | |
6062 | ||
757aa0b5 | 6063 | if (hdr->evt != HCI_EV_CMD_COMPLETE) { |
2064ee33 MH |
6064 | bt_dev_err(hdev, "last event is not cmd complete (0x%2.2x)", |
6065 | hdr->evt); | |
757aa0b5 JH |
6066 | return false; |
6067 | } | |
6068 | ||
6069 | if (skb->len < sizeof(*ev)) { | |
2064ee33 | 6070 | bt_dev_err(hdev, "too short cmd_complete event"); |
757aa0b5 JH |
6071 | return false; |
6072 | } | |
6073 | ||
6074 | ev = (void *) skb->data; | |
6075 | skb_pull(skb, sizeof(*ev)); | |
6076 | ||
6077 | if (opcode != __le16_to_cpu(ev->opcode)) { | |
6078 | BT_DBG("opcode doesn't match (0x%2.2x != 0x%2.2x)", opcode, | |
6079 | __le16_to_cpu(ev->opcode)); | |
6080 | return false; | |
6081 | } | |
6082 | ||
6083 | return true; | |
6084 | } | |
6085 | ||
2f20216c APS |
6086 | static void hci_store_wake_reason(struct hci_dev *hdev, u8 event, |
6087 | struct sk_buff *skb) | |
6088 | { | |
6089 | struct hci_ev_le_advertising_info *adv; | |
6090 | struct hci_ev_le_direct_adv_info *direct_adv; | |
6091 | struct hci_ev_le_ext_adv_report *ext_adv; | |
6092 | const struct hci_ev_conn_complete *conn_complete = (void *)skb->data; | |
6093 | const struct hci_ev_conn_request *conn_request = (void *)skb->data; | |
6094 | ||
6095 | hci_dev_lock(hdev); | |
6096 | ||
6097 | /* If we are currently suspended and this is the first BT event seen, | |
6098 | * save the wake reason associated with the event. | |
6099 | */ | |
6100 | if (!hdev->suspended || hdev->wake_reason) | |
6101 | goto unlock; | |
6102 | ||
6103 | /* Default to remote wake. Values for wake_reason are documented in the | |
6104 | * Bluez mgmt api docs. | |
6105 | */ | |
6106 | hdev->wake_reason = MGMT_WAKE_REASON_REMOTE_WAKE; | |
6107 | ||
6108 | /* Once configured for remote wakeup, we should only wake up for | |
6109 | * reconnections. It's useful to see which device is waking us up so | |
6110 | * keep track of the bdaddr of the connection event that woke us up. | |
6111 | */ | |
6112 | if (event == HCI_EV_CONN_REQUEST) { | |
6113 | bacpy(&hdev->wake_addr, &conn_complete->bdaddr); | |
6114 | hdev->wake_addr_type = BDADDR_BREDR; | |
6115 | } else if (event == HCI_EV_CONN_COMPLETE) { | |
6116 | bacpy(&hdev->wake_addr, &conn_request->bdaddr); | |
6117 | hdev->wake_addr_type = BDADDR_BREDR; | |
6118 | } else if (event == HCI_EV_LE_META) { | |
6119 | struct hci_ev_le_meta *le_ev = (void *)skb->data; | |
6120 | u8 subevent = le_ev->subevent; | |
6121 | u8 *ptr = &skb->data[sizeof(*le_ev)]; | |
6122 | u8 num_reports = *ptr; | |
6123 | ||
6124 | if ((subevent == HCI_EV_LE_ADVERTISING_REPORT || | |
6125 | subevent == HCI_EV_LE_DIRECT_ADV_REPORT || | |
6126 | subevent == HCI_EV_LE_EXT_ADV_REPORT) && | |
6127 | num_reports) { | |
6128 | adv = (void *)(ptr + 1); | |
6129 | direct_adv = (void *)(ptr + 1); | |
6130 | ext_adv = (void *)(ptr + 1); | |
6131 | ||
6132 | switch (subevent) { | |
6133 | case HCI_EV_LE_ADVERTISING_REPORT: | |
6134 | bacpy(&hdev->wake_addr, &adv->bdaddr); | |
6135 | hdev->wake_addr_type = adv->bdaddr_type; | |
6136 | break; | |
6137 | case HCI_EV_LE_DIRECT_ADV_REPORT: | |
6138 | bacpy(&hdev->wake_addr, &direct_adv->bdaddr); | |
6139 | hdev->wake_addr_type = direct_adv->bdaddr_type; | |
6140 | break; | |
6141 | case HCI_EV_LE_EXT_ADV_REPORT: | |
6142 | bacpy(&hdev->wake_addr, &ext_adv->bdaddr); | |
6143 | hdev->wake_addr_type = ext_adv->bdaddr_type; | |
6144 | break; | |
6145 | } | |
6146 | } | |
6147 | } else { | |
6148 | hdev->wake_reason = MGMT_WAKE_REASON_UNEXPECTED; | |
6149 | } | |
6150 | ||
6151 | unlock: | |
6152 | hci_dev_unlock(hdev); | |
6153 | } | |
6154 | ||
a9de9248 MH |
6155 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
6156 | { | |
6157 | struct hci_event_hdr *hdr = (void *) skb->data; | |
e6214487 JH |
6158 | hci_req_complete_t req_complete = NULL; |
6159 | hci_req_complete_skb_t req_complete_skb = NULL; | |
6160 | struct sk_buff *orig_skb = NULL; | |
757aa0b5 | 6161 | u8 status = 0, event = hdr->evt, req_evt = 0; |
e6214487 | 6162 | u16 opcode = HCI_OP_NOP; |
a9de9248 | 6163 | |
08bb4da9 AM |
6164 | if (!event) { |
6165 | bt_dev_warn(hdev, "Received unexpected HCI Event 00000000"); | |
6166 | goto done; | |
6167 | } | |
6168 | ||
242c0ebd | 6169 | if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->hci.req_event == event) { |
c1f23a2b | 6170 | struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data; |
e6214487 JH |
6171 | opcode = __le16_to_cpu(cmd_hdr->opcode); |
6172 | hci_req_cmd_complete(hdev, opcode, status, &req_complete, | |
6173 | &req_complete_skb); | |
757aa0b5 | 6174 | req_evt = event; |
02350a72 JH |
6175 | } |
6176 | ||
e6214487 JH |
6177 | /* If it looks like we might end up having to call |
6178 | * req_complete_skb, store a pristine copy of the skb since the | |
6179 | * various handlers may modify the original one through | |
6180 | * skb_pull() calls, etc. | |
6181 | */ | |
6182 | if (req_complete_skb || event == HCI_EV_CMD_STATUS || | |
6183 | event == HCI_EV_CMD_COMPLETE) | |
6184 | orig_skb = skb_clone(skb, GFP_KERNEL); | |
6185 | ||
6186 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
6187 | ||
2f20216c APS |
6188 | /* Store wake reason if we're suspended */ |
6189 | hci_store_wake_reason(hdev, event, skb); | |
6190 | ||
a9de9248 | 6191 | switch (event) { |
1da177e4 LT |
6192 | case HCI_EV_INQUIRY_COMPLETE: |
6193 | hci_inquiry_complete_evt(hdev, skb); | |
6194 | break; | |
6195 | ||
6196 | case HCI_EV_INQUIRY_RESULT: | |
6197 | hci_inquiry_result_evt(hdev, skb); | |
6198 | break; | |
6199 | ||
a9de9248 MH |
6200 | case HCI_EV_CONN_COMPLETE: |
6201 | hci_conn_complete_evt(hdev, skb); | |
21d9e30e MH |
6202 | break; |
6203 | ||
1da177e4 LT |
6204 | case HCI_EV_CONN_REQUEST: |
6205 | hci_conn_request_evt(hdev, skb); | |
6206 | break; | |
6207 | ||
1da177e4 LT |
6208 | case HCI_EV_DISCONN_COMPLETE: |
6209 | hci_disconn_complete_evt(hdev, skb); | |
6210 | break; | |
6211 | ||
1da177e4 LT |
6212 | case HCI_EV_AUTH_COMPLETE: |
6213 | hci_auth_complete_evt(hdev, skb); | |
6214 | break; | |
6215 | ||
a9de9248 MH |
6216 | case HCI_EV_REMOTE_NAME: |
6217 | hci_remote_name_evt(hdev, skb); | |
6218 | break; | |
6219 | ||
1da177e4 LT |
6220 | case HCI_EV_ENCRYPT_CHANGE: |
6221 | hci_encrypt_change_evt(hdev, skb); | |
6222 | break; | |
6223 | ||
a9de9248 MH |
6224 | case HCI_EV_CHANGE_LINK_KEY_COMPLETE: |
6225 | hci_change_link_key_complete_evt(hdev, skb); | |
6226 | break; | |
6227 | ||
6228 | case HCI_EV_REMOTE_FEATURES: | |
6229 | hci_remote_features_evt(hdev, skb); | |
6230 | break; | |
6231 | ||
a9de9248 | 6232 | case HCI_EV_CMD_COMPLETE: |
e6214487 JH |
6233 | hci_cmd_complete_evt(hdev, skb, &opcode, &status, |
6234 | &req_complete, &req_complete_skb); | |
a9de9248 MH |
6235 | break; |
6236 | ||
6237 | case HCI_EV_CMD_STATUS: | |
e6214487 JH |
6238 | hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete, |
6239 | &req_complete_skb); | |
a9de9248 MH |
6240 | break; |
6241 | ||
24dfa343 MH |
6242 | case HCI_EV_HARDWARE_ERROR: |
6243 | hci_hardware_error_evt(hdev, skb); | |
6244 | break; | |
6245 | ||
a9de9248 MH |
6246 | case HCI_EV_ROLE_CHANGE: |
6247 | hci_role_change_evt(hdev, skb); | |
6248 | break; | |
6249 | ||
6250 | case HCI_EV_NUM_COMP_PKTS: | |
6251 | hci_num_comp_pkts_evt(hdev, skb); | |
6252 | break; | |
6253 | ||
6254 | case HCI_EV_MODE_CHANGE: | |
6255 | hci_mode_change_evt(hdev, skb); | |
1da177e4 LT |
6256 | break; |
6257 | ||
6258 | case HCI_EV_PIN_CODE_REQ: | |
6259 | hci_pin_code_request_evt(hdev, skb); | |
6260 | break; | |
6261 | ||
6262 | case HCI_EV_LINK_KEY_REQ: | |
6263 | hci_link_key_request_evt(hdev, skb); | |
6264 | break; | |
6265 | ||
6266 | case HCI_EV_LINK_KEY_NOTIFY: | |
6267 | hci_link_key_notify_evt(hdev, skb); | |
6268 | break; | |
6269 | ||
6270 | case HCI_EV_CLOCK_OFFSET: | |
6271 | hci_clock_offset_evt(hdev, skb); | |
6272 | break; | |
6273 | ||
a8746417 MH |
6274 | case HCI_EV_PKT_TYPE_CHANGE: |
6275 | hci_pkt_type_change_evt(hdev, skb); | |
6276 | break; | |
6277 | ||
85a1e930 MH |
6278 | case HCI_EV_PSCAN_REP_MODE: |
6279 | hci_pscan_rep_mode_evt(hdev, skb); | |
6280 | break; | |
6281 | ||
a9de9248 MH |
6282 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: |
6283 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
04837f64 MH |
6284 | break; |
6285 | ||
a9de9248 MH |
6286 | case HCI_EV_REMOTE_EXT_FEATURES: |
6287 | hci_remote_ext_features_evt(hdev, skb); | |
1da177e4 LT |
6288 | break; |
6289 | ||
a9de9248 MH |
6290 | case HCI_EV_SYNC_CONN_COMPLETE: |
6291 | hci_sync_conn_complete_evt(hdev, skb); | |
6292 | break; | |
1da177e4 | 6293 | |
a9de9248 MH |
6294 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
6295 | hci_extended_inquiry_result_evt(hdev, skb); | |
6296 | break; | |
1da177e4 | 6297 | |
1c2e0041 JH |
6298 | case HCI_EV_KEY_REFRESH_COMPLETE: |
6299 | hci_key_refresh_complete_evt(hdev, skb); | |
6300 | break; | |
6301 | ||
0493684e MH |
6302 | case HCI_EV_IO_CAPA_REQUEST: |
6303 | hci_io_capa_request_evt(hdev, skb); | |
6304 | break; | |
6305 | ||
03b555e1 JH |
6306 | case HCI_EV_IO_CAPA_REPLY: |
6307 | hci_io_capa_reply_evt(hdev, skb); | |
6308 | break; | |
6309 | ||
a5c29683 JH |
6310 | case HCI_EV_USER_CONFIRM_REQUEST: |
6311 | hci_user_confirm_request_evt(hdev, skb); | |
6312 | break; | |
6313 | ||
1143d458 BG |
6314 | case HCI_EV_USER_PASSKEY_REQUEST: |
6315 | hci_user_passkey_request_evt(hdev, skb); | |
6316 | break; | |
6317 | ||
92a25256 JH |
6318 | case HCI_EV_USER_PASSKEY_NOTIFY: |
6319 | hci_user_passkey_notify_evt(hdev, skb); | |
6320 | break; | |
6321 | ||
6322 | case HCI_EV_KEYPRESS_NOTIFY: | |
6323 | hci_keypress_notify_evt(hdev, skb); | |
6324 | break; | |
6325 | ||
0493684e MH |
6326 | case HCI_EV_SIMPLE_PAIR_COMPLETE: |
6327 | hci_simple_pair_complete_evt(hdev, skb); | |
6328 | break; | |
6329 | ||
41a96212 MH |
6330 | case HCI_EV_REMOTE_HOST_FEATURES: |
6331 | hci_remote_host_features_evt(hdev, skb); | |
6332 | break; | |
6333 | ||
fcd89c09 VT |
6334 | case HCI_EV_LE_META: |
6335 | hci_le_meta_evt(hdev, skb); | |
6336 | break; | |
6337 | ||
2763eda6 SJ |
6338 | case HCI_EV_REMOTE_OOB_DATA_REQUEST: |
6339 | hci_remote_oob_data_request_evt(hdev, skb); | |
6340 | break; | |
6341 | ||
a77a6a14 AW |
6342 | #if IS_ENABLED(CONFIG_BT_HS) |
6343 | case HCI_EV_CHANNEL_SELECTED: | |
6344 | hci_chan_selected_evt(hdev, skb); | |
6345 | break; | |
6346 | ||
d5e91192 AE |
6347 | case HCI_EV_PHY_LINK_COMPLETE: |
6348 | hci_phy_link_complete_evt(hdev, skb); | |
6349 | break; | |
6350 | ||
27695fb4 AE |
6351 | case HCI_EV_LOGICAL_LINK_COMPLETE: |
6352 | hci_loglink_complete_evt(hdev, skb); | |
6353 | break; | |
6354 | ||
606e2a10 AE |
6355 | case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: |
6356 | hci_disconn_loglink_complete_evt(hdev, skb); | |
6357 | break; | |
6358 | ||
9eef6b3a AE |
6359 | case HCI_EV_DISCONN_PHY_LINK_COMPLETE: |
6360 | hci_disconn_phylink_complete_evt(hdev, skb); | |
6361 | break; | |
a77a6a14 | 6362 | #endif |
9eef6b3a | 6363 | |
25e89e99 AE |
6364 | case HCI_EV_NUM_COMP_BLOCKS: |
6365 | hci_num_comp_blocks_evt(hdev, skb); | |
6366 | break; | |
6367 | ||
145373cb MC |
6368 | case HCI_EV_VENDOR: |
6369 | msft_vendor_evt(hdev, skb); | |
6370 | break; | |
6371 | ||
a9de9248 | 6372 | default: |
9f1db00c | 6373 | BT_DBG("%s event 0x%2.2x", hdev->name, event); |
1da177e4 LT |
6374 | break; |
6375 | } | |
6376 | ||
757aa0b5 | 6377 | if (req_complete) { |
e6214487 | 6378 | req_complete(hdev, status, opcode); |
757aa0b5 JH |
6379 | } else if (req_complete_skb) { |
6380 | if (!hci_get_cmd_complete(hdev, opcode, req_evt, orig_skb)) { | |
6381 | kfree_skb(orig_skb); | |
6382 | orig_skb = NULL; | |
6383 | } | |
e6214487 | 6384 | req_complete_skb(hdev, status, opcode, orig_skb); |
757aa0b5 | 6385 | } |
e6214487 | 6386 | |
08bb4da9 | 6387 | done: |
e6214487 | 6388 | kfree_skb(orig_skb); |
1da177e4 LT |
6389 | kfree_skb(skb); |
6390 | hdev->stat.evt_rx++; | |
6391 | } |