projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge tag 'media/v4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[deliverable/linux.git] / net / bluetooth / mgmt.c
CommitLineData
0381101f
JH		 1/*
2 BlueZ - Bluetooth protocol stack for Linux
ea585ab5 3
0381101f 4 Copyright (C) 2010 Nokia Corporation
ea585ab5 5 Copyright (C) 2011-2012 Intel Corporation
0381101f
JH		 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
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
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI Management interface */
26
3a9a231d 27#include <linux/module.h>
0381101f
JH		 28#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
7129069e 32#include <net/bluetooth/hci_sock.h>
4bc58f51 33#include <net/bluetooth/l2cap.h>
0381101f 34#include <net/bluetooth/mgmt.h>
ac4b7236 35
0857dd3b 36#include "hci_request.h"
ac4b7236 37#include "smp.h"
a380b6cf 38#include "mgmt_util.h"
0381101f 39
2da9c55c 40#define MGMT_VERSION 1
dc4270c0 41#define MGMT_REVISION 11
02d98129 42
e70bb2e8
JH		 43static const u16 mgmt_commands[] = {
44 MGMT_OP_READ_INDEX_LIST,
45 MGMT_OP_READ_INFO,
46 MGMT_OP_SET_POWERED,
47 MGMT_OP_SET_DISCOVERABLE,
48 MGMT_OP_SET_CONNECTABLE,
49 MGMT_OP_SET_FAST_CONNECTABLE,
b2939475 50 MGMT_OP_SET_BONDABLE,
e70bb2e8
JH		 51 MGMT_OP_SET_LINK_SECURITY,
52 MGMT_OP_SET_SSP,
53 MGMT_OP_SET_HS,
54 MGMT_OP_SET_LE,
55 MGMT_OP_SET_DEV_CLASS,
56 MGMT_OP_SET_LOCAL_NAME,
57 MGMT_OP_ADD_UUID,
58 MGMT_OP_REMOVE_UUID,
59 MGMT_OP_LOAD_LINK_KEYS,
60 MGMT_OP_LOAD_LONG_TERM_KEYS,
61 MGMT_OP_DISCONNECT,
62 MGMT_OP_GET_CONNECTIONS,
63 MGMT_OP_PIN_CODE_REPLY,
64 MGMT_OP_PIN_CODE_NEG_REPLY,
65 MGMT_OP_SET_IO_CAPABILITY,
66 MGMT_OP_PAIR_DEVICE,
67 MGMT_OP_CANCEL_PAIR_DEVICE,
68 MGMT_OP_UNPAIR_DEVICE,
69 MGMT_OP_USER_CONFIRM_REPLY,
70 MGMT_OP_USER_CONFIRM_NEG_REPLY,
71 MGMT_OP_USER_PASSKEY_REPLY,
72 MGMT_OP_USER_PASSKEY_NEG_REPLY,
73 MGMT_OP_READ_LOCAL_OOB_DATA,
74 MGMT_OP_ADD_REMOTE_OOB_DATA,
75 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
76 MGMT_OP_START_DISCOVERY,
77 MGMT_OP_STOP_DISCOVERY,
78 MGMT_OP_CONFIRM_NAME,
79 MGMT_OP_BLOCK_DEVICE,
80 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 81 MGMT_OP_SET_DEVICE_ID,
4375f103 82 MGMT_OP_SET_ADVERTISING,
0663ca2a 83 MGMT_OP_SET_BREDR,
d13eafce 84 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 85 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 86 MGMT_OP_SET_SECURE_CONN,
4e39ac81 87 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 88 MGMT_OP_SET_PRIVACY,
41edf160 89 MGMT_OP_LOAD_IRKS,
dd983808 90 MGMT_OP_GET_CONN_INFO,
95868426 91 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 92 MGMT_OP_ADD_DEVICE,
93 MGMT_OP_REMOVE_DEVICE,
a26f3dcf 94 MGMT_OP_LOAD_CONN_PARAM,
73d1df2a 95 MGMT_OP_READ_UNCONF_INDEX_LIST,
9fc3bfb6 96 MGMT_OP_READ_CONFIG_INFO,
dbece37a 97 MGMT_OP_SET_EXTERNAL_CONFIG,
9713c17b 98 MGMT_OP_SET_PUBLIC_ADDRESS,
66ea9427 99 MGMT_OP_START_SERVICE_DISCOVERY,
4f0f155c 100 MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
96f1474a 101 MGMT_OP_READ_EXT_INDEX_LIST,
d3d5305b 102 MGMT_OP_READ_ADV_FEATURES,
24b4f38f 103 MGMT_OP_ADD_ADVERTISING,
da929335 104 MGMT_OP_REMOVE_ADVERTISING,
40b25fe5 105 MGMT_OP_GET_ADV_SIZE_INFO,
78b781ca 106 MGMT_OP_START_LIMITED_DISCOVERY,
e70bb2e8
JH		 107};
108
109static const u16 mgmt_events[] = {
110 MGMT_EV_CONTROLLER_ERROR,
111 MGMT_EV_INDEX_ADDED,
112 MGMT_EV_INDEX_REMOVED,
113 MGMT_EV_NEW_SETTINGS,
114 MGMT_EV_CLASS_OF_DEV_CHANGED,
115 MGMT_EV_LOCAL_NAME_CHANGED,
116 MGMT_EV_NEW_LINK_KEY,
117 MGMT_EV_NEW_LONG_TERM_KEY,
118 MGMT_EV_DEVICE_CONNECTED,
119 MGMT_EV_DEVICE_DISCONNECTED,
120 MGMT_EV_CONNECT_FAILED,
121 MGMT_EV_PIN_CODE_REQUEST,
122 MGMT_EV_USER_CONFIRM_REQUEST,
123 MGMT_EV_USER_PASSKEY_REQUEST,
124 MGMT_EV_AUTH_FAILED,
125 MGMT_EV_DEVICE_FOUND,
126 MGMT_EV_DISCOVERING,
127 MGMT_EV_DEVICE_BLOCKED,
128 MGMT_EV_DEVICE_UNBLOCKED,
129 MGMT_EV_DEVICE_UNPAIRED,
92a25256 130 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 131 MGMT_EV_NEW_IRK,
7ee4ea36 132 MGMT_EV_NEW_CSRK,
8afef092
MH		 133 MGMT_EV_DEVICE_ADDED,
134 MGMT_EV_DEVICE_REMOVED,
ffb5a827 135 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 136 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 137 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 138 MGMT_EV_NEW_CONFIG_OPTIONS,
ced85549
MH		 139 MGMT_EV_EXT_INDEX_ADDED,
140 MGMT_EV_EXT_INDEX_REMOVED,
72000df2 141 MGMT_EV_LOCAL_OOB_DATA_UPDATED,
24b4f38f
AU		 142 MGMT_EV_ADVERTISING_ADDED,
143 MGMT_EV_ADVERTISING_REMOVED,
e70bb2e8
JH		 144};
145
99c679ac
MH		 146static const u16 mgmt_untrusted_commands[] = {
147 MGMT_OP_READ_INDEX_LIST,
148 MGMT_OP_READ_INFO,
149 MGMT_OP_READ_UNCONF_INDEX_LIST,
150 MGMT_OP_READ_CONFIG_INFO,
151 MGMT_OP_READ_EXT_INDEX_LIST,
152};
153
154static const u16 mgmt_untrusted_events[] = {
155 MGMT_EV_INDEX_ADDED,
156 MGMT_EV_INDEX_REMOVED,
157 MGMT_EV_NEW_SETTINGS,
158 MGMT_EV_CLASS_OF_DEV_CHANGED,
159 MGMT_EV_LOCAL_NAME_CHANGED,
160 MGMT_EV_UNCONF_INDEX_ADDED,
161 MGMT_EV_UNCONF_INDEX_REMOVED,
162 MGMT_EV_NEW_CONFIG_OPTIONS,
163 MGMT_EV_EXT_INDEX_ADDED,
164 MGMT_EV_EXT_INDEX_REMOVED,
165};
166
17b02e62 167#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 168
d25b78e2
JH		 169#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
170 "\x00\x00\x00\x00\x00\x00\x00\x00"
171
ca69b795
JH		 172/* HCI to MGMT error code conversion table */
173static u8 mgmt_status_table[] = {
174 MGMT_STATUS_SUCCESS,
175 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
176 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
177 MGMT_STATUS_FAILED, /* Hardware Failure */
178 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
179 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 180 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 181 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
182 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
183 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
184 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
185 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
186 MGMT_STATUS_BUSY, /* Command Disallowed */
187 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
188 MGMT_STATUS_REJECTED, /* Rejected Security */
189 MGMT_STATUS_REJECTED, /* Rejected Personal */
190 MGMT_STATUS_TIMEOUT, /* Host Timeout */
191 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
192 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
193 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
194 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
195 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
196 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
197 MGMT_STATUS_BUSY, /* Repeated Attempts */
198 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
199 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
200 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
201 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
202 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
203 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
204 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
205 MGMT_STATUS_FAILED, /* Unspecified Error */
206 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
207 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
208 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
209 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
210 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
211 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
212 MGMT_STATUS_FAILED, /* Unit Link Key Used */
213 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
214 MGMT_STATUS_TIMEOUT, /* Instant Passed */
215 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
216 MGMT_STATUS_FAILED, /* Transaction Collision */
217 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
218 MGMT_STATUS_REJECTED, /* QoS Rejected */
219 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
220 MGMT_STATUS_REJECTED, /* Insufficient Security */
221 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
222 MGMT_STATUS_BUSY, /* Role Switch Pending */
223 MGMT_STATUS_FAILED, /* Slot Violation */
224 MGMT_STATUS_FAILED, /* Role Switch Failed */
225 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
226 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
227 MGMT_STATUS_BUSY, /* Host Busy Pairing */
228 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
229 MGMT_STATUS_BUSY, /* Controller Busy */
230 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
231 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
232 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
233 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
234 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
235};
236
237static u8 mgmt_status(u8 hci_status)
238{
239 if (hci_status < ARRAY_SIZE(mgmt_status_table))
240 return mgmt_status_table[hci_status];
241
242 return MGMT_STATUS_FAILED;
243}
244
c08b1a1d
MH		 245static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
246 u16 len, int flag)
f9207338 247{
c08b1a1d
MH		 248 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
249 flag, NULL);
f9207338
MH		 250}
251
72000df2
MH		 252static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
253 u16 len, int flag, struct sock *skip_sk)
254{
255 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
256 flag, skip_sk);
257}
258
f6b7712e
MH		 259static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
260 u16 len, struct sock *skip_sk)
261{
262 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
263 HCI_MGMT_GENERIC_EVENTS, skip_sk);
264}
265
7a00ff44
JH		 266static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
267 struct sock *skip_sk)
268{
269 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
c08b1a1d 270 HCI_SOCK_TRUSTED, skip_sk);
7a00ff44
JH		 271}
272
85813a7e
JH		 273static u8 le_addr_type(u8 mgmt_addr_type)
274{
275 if (mgmt_addr_type == BDADDR_LE_PUBLIC)
276 return ADDR_LE_DEV_PUBLIC;
277 else
278 return ADDR_LE_DEV_RANDOM;
279}
280
04124681
GP		 281static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
282 u16 data_len)
a38528f1
JH		 283{
284 struct mgmt_rp_read_version rp;
285
286 BT_DBG("sock %p", sk);
287
288 rp.version = MGMT_VERSION;
dcf4adbf 289 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 290
2a1afb5a
JH		 291 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
292 &rp, sizeof(rp));
a38528f1
JH		 293}
294
04124681
GP		 295static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
296 u16 data_len)
e70bb2e8
JH		 297{
298 struct mgmt_rp_read_commands *rp;
99c679ac 299 u16 num_commands, num_events;
e70bb2e8
JH		 300 size_t rp_size;
301 int i, err;
302
303 BT_DBG("sock %p", sk);
304
99c679ac
MH		 305 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
306 num_commands = ARRAY_SIZE(mgmt_commands);
307 num_events = ARRAY_SIZE(mgmt_events);
308 } else {
309 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
310 num_events = ARRAY_SIZE(mgmt_untrusted_events);
311 }
312
e70bb2e8
JH		 313 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
314
315 rp = kmalloc(rp_size, GFP_KERNEL);
316 if (!rp)
317 return -ENOMEM;
318
dcf4adbf
JP		 319 rp->num_commands = cpu_to_le16(num_commands);
320 rp->num_events = cpu_to_le16(num_events);
e70bb2e8 321
99c679ac
MH		 322 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
323 __le16 *opcode = rp->opcodes;
324
325 for (i = 0; i < num_commands; i++, opcode++)
326 put_unaligned_le16(mgmt_commands[i], opcode);
e70bb2e8 327
99c679ac
MH		 328 for (i = 0; i < num_events; i++, opcode++)
329 put_unaligned_le16(mgmt_events[i], opcode);
330 } else {
331 __le16 *opcode = rp->opcodes;
332
333 for (i = 0; i < num_commands; i++, opcode++)
334 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
335
336 for (i = 0; i < num_events; i++, opcode++)
337 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
338 }
e70bb2e8 339
2a1afb5a
JH		 340 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
341 rp, rp_size);
e70bb2e8
JH		 342 kfree(rp);
343
344 return err;
345}
346
04124681
GP		 347static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
348 u16 data_len)
faba42eb 349{
faba42eb 350 struct mgmt_rp_read_index_list *rp;
8035ded4 351 struct hci_dev *d;
a38528f1 352 size_t rp_len;
faba42eb 353 u16 count;
476e44cb 354 int err;
faba42eb
JH		 355
356 BT_DBG("sock %p", sk);
357
358 read_lock(&hci_dev_list_lock);
359
360 count = 0;
bb4b2a9a 361 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 362 if (d->dev_type == HCI_BREDR &&
d7a5a11d 363 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
1514b892 364 count++;
faba42eb
JH		 365 }
366
a38528f1
JH		 367 rp_len = sizeof(*rp) + (2 * count);
368 rp = kmalloc(rp_len, GFP_ATOMIC);
369 if (!rp) {
b2c60d42 370 read_unlock(&hci_dev_list_lock);
faba42eb 371 return -ENOMEM;
b2c60d42 372 }
faba42eb 373
476e44cb 374 count = 0;
8035ded4 375 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 376 if (hci_dev_test_flag(d, HCI_SETUP) ||
377 hci_dev_test_flag(d, HCI_CONFIG) ||
378 hci_dev_test_flag(d, HCI_USER_CHANNEL))
ab81cbf9
JH		 379 continue;
380
73d1df2a
MH		 381 /* Devices marked as raw-only are neither configured
382 * nor unconfigured controllers.
383 */
384 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 385 continue;
386
73d1df2a 387 if (d->dev_type == HCI_BREDR &&
d7a5a11d 388 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
1514b892
MH		 389 rp->index[count++] = cpu_to_le16(d->id);
390 BT_DBG("Added hci%u", d->id);
391 }
faba42eb
JH		 392 }
393
476e44cb
JH		 394 rp->num_controllers = cpu_to_le16(count);
395 rp_len = sizeof(*rp) + (2 * count);
396
faba42eb
JH		 397 read_unlock(&hci_dev_list_lock);
398
2a1afb5a
JH		 399 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
400 0, rp, rp_len);
faba42eb 401
a38528f1
JH		 402 kfree(rp);
403
404 return err;
faba42eb
JH		 405}
406
73d1df2a
MH		 407static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
408 void *data, u16 data_len)
409{
410 struct mgmt_rp_read_unconf_index_list *rp;
411 struct hci_dev *d;
412 size_t rp_len;
413 u16 count;
414 int err;
415
416 BT_DBG("sock %p", sk);
417
418 read_lock(&hci_dev_list_lock);
419
420 count = 0;
421 list_for_each_entry(d, &hci_dev_list, list) {
422 if (d->dev_type == HCI_BREDR &&
d7a5a11d 423 hci_dev_test_flag(d, HCI_UNCONFIGURED))
73d1df2a
MH		 424 count++;
425 }
426
427 rp_len = sizeof(*rp) + (2 * count);
428 rp = kmalloc(rp_len, GFP_ATOMIC);
429 if (!rp) {
430 read_unlock(&hci_dev_list_lock);
431 return -ENOMEM;
432 }
433
434 count = 0;
435 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 436 if (hci_dev_test_flag(d, HCI_SETUP) ||
437 hci_dev_test_flag(d, HCI_CONFIG) ||
438 hci_dev_test_flag(d, HCI_USER_CHANNEL))
73d1df2a
MH		 439 continue;
440
441 /* Devices marked as raw-only are neither configured
442 * nor unconfigured controllers.
443 */
444 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
445 continue;
446
447 if (d->dev_type == HCI_BREDR &&
d7a5a11d 448 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
73d1df2a
MH		 449 rp->index[count++] = cpu_to_le16(d->id);
450 BT_DBG("Added hci%u", d->id);
451 }
452 }
453
454 rp->num_controllers = cpu_to_le16(count);
455 rp_len = sizeof(*rp) + (2 * count);
456
457 read_unlock(&hci_dev_list_lock);
458
2a1afb5a
JH		 459 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
460 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
73d1df2a
MH		 461
462 kfree(rp);
463
464 return err;
465}
466
96f1474a
MH		 467static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
468 void *data, u16 data_len)
469{
470 struct mgmt_rp_read_ext_index_list *rp;
471 struct hci_dev *d;
472 size_t rp_len;
473 u16 count;
474 int err;
475
476 BT_DBG("sock %p", sk);
477
478 read_lock(&hci_dev_list_lock);
479
480 count = 0;
481 list_for_each_entry(d, &hci_dev_list, list) {
482 if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
483 count++;
484 }
485
486 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
487 rp = kmalloc(rp_len, GFP_ATOMIC);
488 if (!rp) {
489 read_unlock(&hci_dev_list_lock);
490 return -ENOMEM;
491 }
492
493 count = 0;
494 list_for_each_entry(d, &hci_dev_list, list) {
495 if (hci_dev_test_flag(d, HCI_SETUP) ||
496 hci_dev_test_flag(d, HCI_CONFIG) ||
497 hci_dev_test_flag(d, HCI_USER_CHANNEL))
498 continue;
499
500 /* Devices marked as raw-only are neither configured
501 * nor unconfigured controllers.
502 */
503 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
504 continue;
505
506 if (d->dev_type == HCI_BREDR) {
507 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
508 rp->entry[count].type = 0x01;
509 else
510 rp->entry[count].type = 0x00;
511 } else if (d->dev_type == HCI_AMP) {
512 rp->entry[count].type = 0x02;
513 } else {
514 continue;
515 }
516
517 rp->entry[count].bus = d->bus;
518 rp->entry[count++].index = cpu_to_le16(d->id);
519 BT_DBG("Added hci%u", d->id);
520 }
521
522 rp->num_controllers = cpu_to_le16(count);
523 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
524
525 read_unlock(&hci_dev_list_lock);
526
527 /* If this command is called at least once, then all the
528 * default index and unconfigured index events are disabled
529 * and from now on only extended index events are used.
530 */
531 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
532 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
533 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
534
535 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
536 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
537
538 kfree(rp);
539
540 return err;
541}
542
dbece37a
MH		 543static bool is_configured(struct hci_dev *hdev)
544{
545 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 546 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
dbece37a
MH		 547 return false;
548
549 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
550 !bacmp(&hdev->public_addr, BDADDR_ANY))
551 return false;
552
553 return true;
554}
555
89bc22d2
MH		 556static __le32 get_missing_options(struct hci_dev *hdev)
557{
558 u32 options = 0;
559
dbece37a 560 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 561 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
eb1904f4
MH		 562 options |= MGMT_OPTION_EXTERNAL_CONFIG;
563
89bc22d2
MH		 564 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
565 !bacmp(&hdev->public_addr, BDADDR_ANY))
566 options |= MGMT_OPTION_PUBLIC_ADDRESS;
567
568 return cpu_to_le32(options);
569}
570
f4537c04
MH		 571static int new_options(struct hci_dev *hdev, struct sock *skip)
572{
573 __le32 options = get_missing_options(hdev);
574
f6b7712e
MH		 575 return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
576 sizeof(options), skip);
f4537c04
MH		 577}
578
dbece37a
MH		 579static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
580{
581 __le32 options = get_missing_options(hdev);
582
2a1afb5a
JH		 583 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
584 sizeof(options));
dbece37a
MH		 585}
586
9fc3bfb6
MH		 587static int read_config_info(struct sock *sk, struct hci_dev *hdev,
588 void *data, u16 data_len)
589{
590 struct mgmt_rp_read_config_info rp;
89bc22d2 591 u32 options = 0;
9fc3bfb6
MH		 592
593 BT_DBG("sock %p %s", sk, hdev->name);
594
595 hci_dev_lock(hdev);
596
597 memset(&rp, 0, sizeof(rp));
598 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 599
eb1904f4
MH		 600 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
601 options |= MGMT_OPTION_EXTERNAL_CONFIG;
602
9fc3bfb6 603 if (hdev->set_bdaddr)
89bc22d2
MH		 604 options |= MGMT_OPTION_PUBLIC_ADDRESS;
605
606 rp.supported_options = cpu_to_le32(options);
607 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 608
609 hci_dev_unlock(hdev);
610
2a1afb5a
JH		 611 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
612 &rp, sizeof(rp));
9fc3bfb6
MH		 613}
614
69ab39ea
JH		 615static u32 get_supported_settings(struct hci_dev *hdev)
616{
617 u32 settings = 0;
618
619 settings |= MGMT_SETTING_POWERED;
b2939475 620 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 621 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 622 settings |= MGMT_SETTING_CONNECTABLE;
623 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 624
ed3fa31f 625 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 626 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
627 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 628 settings |= MGMT_SETTING_BREDR;
629 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 630
631 if (lmp_ssp_capable(hdev)) {
632 settings |= MGMT_SETTING_SSP;
633 settings |= MGMT_SETTING_HS;
634 }
e98d2ce2 635
05b3c3e7 636 if (lmp_sc_capable(hdev))
e98d2ce2 637 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 638 }
d7b7e796 639
eeca6f89 640 if (lmp_le_capable(hdev)) {
9d42820f 641 settings |= MGMT_SETTING_LE;
eeca6f89 642 settings |= MGMT_SETTING_ADVERTISING;
a3209694 643 settings |= MGMT_SETTING_SECURE_CONN;
0f4bd942 644 settings |= MGMT_SETTING_PRIVACY;
93690c22 645 settings |= MGMT_SETTING_STATIC_ADDRESS;
eeca6f89 646 }
69ab39ea 647
eb1904f4
MH		 648 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
649 hdev->set_bdaddr)
9fc3bfb6
MH		 650 settings |= MGMT_SETTING_CONFIGURATION;
651
69ab39ea
JH		 652 return settings;
653}
654
655static u32 get_current_settings(struct hci_dev *hdev)
656{
657 u32 settings = 0;
658
f1f0eb02 659 if (hdev_is_powered(hdev))
f0d4b78a
MH		 660 settings |= MGMT_SETTING_POWERED;
661
d7a5a11d 662 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
69ab39ea
JH		 663 settings |= MGMT_SETTING_CONNECTABLE;
664
d7a5a11d 665 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
1a4d3c4b
JH		 666 settings |= MGMT_SETTING_FAST_CONNECTABLE;
667
d7a5a11d 668 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
69ab39ea
JH		 669 settings |= MGMT_SETTING_DISCOVERABLE;
670
d7a5a11d 671 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
b2939475 672 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 673
d7a5a11d 674 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
69ab39ea
JH		 675 settings |= MGMT_SETTING_BREDR;
676
d7a5a11d 677 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
69ab39ea
JH		 678 settings |= MGMT_SETTING_LE;
679
d7a5a11d 680 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
69ab39ea
JH		 681 settings |= MGMT_SETTING_LINK_SECURITY;
682
d7a5a11d 683 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
69ab39ea
JH		 684 settings |= MGMT_SETTING_SSP;
685
d7a5a11d 686 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
6d80dfd0
JH		 687 settings |= MGMT_SETTING_HS;
688
d7a5a11d 689 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
eeca6f89
JH		 690 settings |= MGMT_SETTING_ADVERTISING;
691
d7a5a11d 692 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
e98d2ce2
MH		 693 settings |= MGMT_SETTING_SECURE_CONN;
694
d7a5a11d 695 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
b1de97d8
MH		 696 settings |= MGMT_SETTING_DEBUG_KEYS;
697
d7a5a11d 698 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
0f4bd942
JH		 699 settings |= MGMT_SETTING_PRIVACY;
700
93690c22
MH		 701 /* The current setting for static address has two purposes. The
702 * first is to indicate if the static address will be used and
703 * the second is to indicate if it is actually set.
704 *
705 * This means if the static address is not configured, this flag
08dc0e98 706 * will never be set. If the address is configured, then if the
93690c22
MH		 707 * address is actually used decides if the flag is set or not.
708 *
709 * For single mode LE only controllers and dual-mode controllers
710 * with BR/EDR disabled, the existence of the static address will
711 * be evaluated.
712 */
b7cb93e5 713 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
d7a5a11d 714 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
93690c22
MH		 715 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
716 if (bacmp(&hdev->static_addr, BDADDR_ANY))
717 settings |= MGMT_SETTING_STATIC_ADDRESS;
718 }
719
69ab39ea
JH		 720 return settings;
721}
722
333ae95d
JH		 723static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
724{
725 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
726}
727
333ae95d
JH		 728static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
729 struct hci_dev *hdev,
730 const void *data)
731{
732 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
733}
734
f2252570 735u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev)
9a43e25f 736{
3b0602cd 737 struct mgmt_pending_cmd *cmd;
9a43e25f
JH		 738
739 /* If there's a pending mgmt command the flags will not yet have
740 * their final values, so check for this first.
741 */
333ae95d 742 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
9a43e25f
JH		 743 if (cmd) {
744 struct mgmt_mode *cp = cmd->param;
745 if (cp->val == 0x01)
746 return LE_AD_GENERAL;
747 else if (cp->val == 0x02)
748 return LE_AD_LIMITED;
749 } else {
d7a5a11d 750 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
9a43e25f 751 return LE_AD_LIMITED;
d7a5a11d 752 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
9a43e25f
JH		 753 return LE_AD_GENERAL;
754 }
755
756 return 0;
757}
758
f2252570 759bool mgmt_get_connectable(struct hci_dev *hdev)
fdf51784
AU		 760{
761 struct mgmt_pending_cmd *cmd;
441ad2d0 762
fdf51784
AU		 763 /* If there's a pending mgmt command the flag will not yet have
764 * it's final value, so check for this first.
765 */
766 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
767 if (cmd) {
768 struct mgmt_mode *cp = cmd->param;
441ad2d0 769
fdf51784 770 return cp->val;
441ad2d0
MH		 771 }
772
fdf51784
AU		 773 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
774}
441ad2d0 775
7d78525d
JH		 776static void service_cache_off(struct work_struct *work)
777{
778 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 779 service_cache.work);
890ea898 780 struct hci_request req;
7d78525d 781
a69d8927 782 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
7d78525d
JH		 783 return;
784
890ea898
JH		 785 hci_req_init(&req, hdev);
786
7d78525d
JH		 787 hci_dev_lock(hdev);
788
b1a8917c 789 __hci_req_update_eir(&req);
14bf5eac 790 __hci_req_update_class(&req);
7d78525d
JH		 791
792 hci_dev_unlock(hdev);
890ea898
JH		 793
794 hci_req_run(&req, NULL);
7d78525d
JH		 795}
796
d6bfd59c
JH		 797static void rpa_expired(struct work_struct *work)
798{
799 struct hci_dev *hdev = container_of(work, struct hci_dev,
800 rpa_expired.work);
801 struct hci_request req;
802
803 BT_DBG("");
804
a1536da2 805 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
d6bfd59c 806
d7a5a11d 807 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
d6bfd59c
JH		 808 return;
809
810 /* The generation of a new RPA and programming it into the
f2252570
JH		 811 * controller happens in the hci_req_enable_advertising()
812 * function.
d6bfd59c 813 */
d6bfd59c 814 hci_req_init(&req, hdev);
f2252570 815 __hci_req_enable_advertising(&req);
d6bfd59c
JH		 816 hci_req_run(&req, NULL);
817}
818
6a919082 819static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 820{
238be788 821 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
6a919082
JH		 822 return;
823
4f87da80 824 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 825 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 826
4f87da80
JH		 827 /* Non-mgmt controlled devices get this bit set
828 * implicitly so that pairing works for them, however
829 * for mgmt we require user-space to explicitly enable
830 * it
831 */
a358dc11 832 hci_dev_clear_flag(hdev, HCI_BONDABLE);
7d78525d
JH		 833}
834
0f4e68cf 835static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 836 void *data, u16 data_len)
0381101f 837{
a38528f1 838 struct mgmt_rp_read_info rp;
f7b64e69 839
bdb6d971 840 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 841
09fd0de5 842 hci_dev_lock(hdev);
f7b64e69 843
dc4fe30b
JH		 844 memset(&rp, 0, sizeof(rp));
845
69ab39ea 846 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 847
69ab39ea 848 rp.version = hdev->hci_ver;
eb55ef07 849 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 850
851 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
852 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 853
a38528f1 854 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 855
dc4fe30b 856 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 857 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 858
09fd0de5 859 hci_dev_unlock(hdev);
0381101f 860
2a1afb5a
JH		 861 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
862 sizeof(rp));
0381101f
JH		 863}
864
69ab39ea 865static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 866{
69ab39ea 867 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 868
2a1afb5a
JH		 869 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
870 sizeof(settings));
8680570b
JH		 871}
872
1904a853 873static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
8b064a3a
JH		 874{
875 BT_DBG("%s status 0x%02x", hdev->name, status);
876
a3172b7e
JH		 877 if (hci_conn_count(hdev) == 0) {
878 cancel_delayed_work(&hdev->power_off);
8b064a3a 879 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 880 }
8b064a3a
JH		 881}
882
f2252570 883void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, u8 instance)
912098a6
AU		 884{
885 struct mgmt_ev_advertising_added ev;
886
887 ev.instance = instance;
888
889 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
890}
891
f2252570
JH		 892void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
893 u8 instance)
912098a6
AU		 894{
895 struct mgmt_ev_advertising_removed ev;
896
897 ev.instance = instance;
898
899 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
900}
901
7816b820
FG		 902static void cancel_adv_timeout(struct hci_dev *hdev)
903{
904 if (hdev->adv_instance_timeout) {
905 hdev->adv_instance_timeout = 0;
906 cancel_delayed_work(&hdev->adv_instance_expire);
907 }
908}
909
8b064a3a
JH		 910static int clean_up_hci_state(struct hci_dev *hdev)
911{
912 struct hci_request req;
913 struct hci_conn *conn;
23a48093
JH		 914 bool discov_stopped;
915 int err;
8b064a3a
JH		 916
917 hci_req_init(&req, hdev);
918
919 if (test_bit(HCI_ISCAN, &hdev->flags) ||
920 test_bit(HCI_PSCAN, &hdev->flags)) {
921 u8 scan = 0x00;
922 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
923 }
924
f2252570 925 hci_req_clear_adv_instance(hdev, NULL, 0x00, false);
912098a6 926
d7a5a11d 927 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
f2252570 928 __hci_req_disable_advertising(&req);
8b064a3a 929
2154d3f4 930 discov_stopped = hci_req_stop_discovery(&req);
8b064a3a
JH		 931
932 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
89e0ccc8
JH		 933 /* 0x15 == Terminated due to Power Off */
934 __hci_abort_conn(&req, conn, 0x15);
8b064a3a
JH		 935 }
936
23a48093
JH		 937 err = hci_req_run(&req, clean_up_hci_complete);
938 if (!err && discov_stopped)
939 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
940
941 return err;
8b064a3a
JH		 942}
943
bdb6d971 944static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 945 u16 len)
eec8d2bc 946{
650f726d 947 struct mgmt_mode *cp = data;
3b0602cd 948 struct mgmt_pending_cmd *cmd;
4b34ee78 949 int err;
eec8d2bc 950
bdb6d971 951 BT_DBG("request for %s", hdev->name);
eec8d2bc 952
a7e80f25 953 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 954 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
955 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 956
09fd0de5 957 hci_dev_lock(hdev);
eec8d2bc 958
333ae95d 959 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
a69e8375
JH		 960 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
961 MGMT_STATUS_BUSY);
87b95ba6
JH		 962 goto failed;
963 }
964
4b34ee78 965 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 966 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 967 goto failed;
968 }
969
2e58ef3e 970 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 971 if (!cmd) {
972 err = -ENOMEM;
eec8d2bc 973 goto failed;
366a0336 974 }
eec8d2bc 975
8b064a3a 976 if (cp->val) {
19202573 977 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 978 err = 0;
979 } else {
980 /* Disconnect connections, stop scans, etc */
981 err = clean_up_hci_state(hdev);
a3172b7e
JH		 982 if (!err)
983 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
984 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 985
8b064a3a
JH		 986 /* ENODATA means there were no HCI commands queued */
987 if (err == -ENODATA) {
a3172b7e 988 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 989 queue_work(hdev->req_workqueue, &hdev->power_off.work);
990 err = 0;
991 }
992 }
eec8d2bc
JH		 993
994failed:
09fd0de5 995 hci_dev_unlock(hdev);
366a0336 996 return err;
eec8d2bc
JH		 997}
998
beadb2bd
JH		 999static int new_settings(struct hci_dev *hdev, struct sock *skip)
1000{
f6b7712e 1001 __le32 ev = cpu_to_le32(get_current_settings(hdev));
beadb2bd 1002
f6b7712e
MH		 1003 return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1004 sizeof(ev), skip);
beadb2bd
JH		 1005}
1006
91a668b0
JH		 1007int mgmt_new_settings(struct hci_dev *hdev)
1008{
1009 return new_settings(hdev, NULL);
1010}
1011
bd99abdd
JH		 1012struct cmd_lookup {
1013 struct sock *sk;
1014 struct hci_dev *hdev;
1015 u8 mgmt_status;
1016};
1017
3b0602cd 1018static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1019{
1020 struct cmd_lookup *match = data;
1021
1022 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1023
1024 list_del(&cmd->list);
1025
1026 if (match->sk == NULL) {
1027 match->sk = cmd->sk;
1028 sock_hold(match->sk);
1029 }
1030
1031 mgmt_pending_free(cmd);
1032}
1033
3b0602cd 1034static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1035{
1036 u8 *status = data;
1037
a69e8375 1038 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
bd99abdd
JH		 1039 mgmt_pending_remove(cmd);
1040}
1041
3b0602cd 1042static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
1b9b5ee5
JH		 1043{
1044 if (cmd->cmd_complete) {
1045 u8 *status = data;
1046
1047 cmd->cmd_complete(cmd, *status);
1048 mgmt_pending_remove(cmd);
1049
1050 return;
1051 }
1052
1053 cmd_status_rsp(cmd, data);
1054}
1055
3b0602cd 1056static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
f5818c22 1057{
2a1afb5a
JH		 1058 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1059 cmd->param, cmd->param_len);
f5818c22
JH		 1060}
1061
3b0602cd 1062static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
7776d1d8 1063{
2a1afb5a
JH		 1064 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1065 cmd->param, sizeof(struct mgmt_addr_info));
7776d1d8
JH		 1066}
1067
e6fe7986
JH		 1068static u8 mgmt_bredr_support(struct hci_dev *hdev)
1069{
1070 if (!lmp_bredr_capable(hdev))
1071 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1072 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
e6fe7986
JH		 1073 return MGMT_STATUS_REJECTED;
1074 else
1075 return MGMT_STATUS_SUCCESS;
1076}
1077
1078static u8 mgmt_le_support(struct hci_dev *hdev)
1079{
1080 if (!lmp_le_capable(hdev))
1081 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1082 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
e6fe7986
JH		 1083 return MGMT_STATUS_REJECTED;
1084 else
1085 return MGMT_STATUS_SUCCESS;
1086}
1087
aed1a885 1088void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status)
bfaf8c9f 1089{
3b0602cd 1090 struct mgmt_pending_cmd *cmd;
bfaf8c9f
JH		 1091
1092 BT_DBG("status 0x%02x", status);
1093
1094 hci_dev_lock(hdev);
1095
333ae95d 1096 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
bfaf8c9f
JH		 1097 if (!cmd)
1098 goto unlock;
1099
1100 if (status) {
1101 u8 mgmt_err = mgmt_status(status);
a69e8375 1102 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
a358dc11 1103 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
bfaf8c9f
JH		 1104 goto remove_cmd;
1105 }
1106
aed1a885
JH		 1107 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1108 hdev->discov_timeout > 0) {
1109 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1110 queue_delayed_work(hdev->req_workqueue, &hdev->discov_off, to);
d4462a07 1111 }
bfaf8c9f
JH		 1112
1113 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
aed1a885 1114 new_settings(hdev, cmd->sk);
970ba524 1115
bfaf8c9f
JH		 1116remove_cmd:
1117 mgmt_pending_remove(cmd);
1118
1119unlock:
1120 hci_dev_unlock(hdev);
1121}
1122
bdb6d971 1123static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1124 u16 len)
73f22f62 1125{
650f726d 1126 struct mgmt_cp_set_discoverable *cp = data;
3b0602cd 1127 struct mgmt_pending_cmd *cmd;
5e5282bb 1128 u16 timeout;
73f22f62
JH		 1129 int err;
1130
bdb6d971 1131 BT_DBG("request for %s", hdev->name);
73f22f62 1132
d7a5a11d
MH		 1133 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1134 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 1135 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1136 MGMT_STATUS_REJECTED);
33c525c0 1137
310a3d48 1138 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 1139 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1140 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1141
1f350c87 1142 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1143
1144 /* Disabling discoverable requires that no timeout is set,
1145 * and enabling limited discoverable requires a timeout.
1146 */
1147 if ((cp->val == 0x00 && timeout > 0) ||
1148 (cp->val == 0x02 && timeout == 0))
a69e8375
JH		 1149 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1150 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1151
09fd0de5 1152 hci_dev_lock(hdev);
73f22f62 1153
5e5282bb 1154 if (!hdev_is_powered(hdev) && timeout > 0) {
a69e8375
JH		 1155 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1156 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1157 goto failed;
1158 }
1159
333ae95d
JH		 1160 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1161 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 1162 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1163 MGMT_STATUS_BUSY);
73f22f62
JH		 1164 goto failed;
1165 }
1166
d7a5a11d 1167 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
a69e8375
JH		 1168 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1169 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1170 goto failed;
1171 }
1172
1173 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1174 bool changed = false;
1175
310a3d48
MH		 1176 /* Setting limited discoverable when powered off is
1177 * not a valid operation since it requires a timeout
1178 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1179 */
d7a5a11d 1180 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
ce05d603 1181 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
0224d2fa
JH		 1182 changed = true;
1183 }
1184
5e5282bb 1185 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1186 if (err < 0)
1187 goto failed;
1188
1189 if (changed)
1190 err = new_settings(hdev, sk);
1191
5e5282bb
JH		 1192 goto failed;
1193 }
1194
310a3d48
MH		 1195 /* If the current mode is the same, then just update the timeout
1196 * value with the new value. And if only the timeout gets updated,
1197 * then no need for any HCI transactions.
1198 */
d7a5a11d
MH		 1199 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1200 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1201 HCI_LIMITED_DISCOVERABLE)) {
36261547
MH		 1202 cancel_delayed_work(&hdev->discov_off);
1203 hdev->discov_timeout = timeout;
955638ec 1204
36261547
MH		 1205 if (cp->val && hdev->discov_timeout > 0) {
1206 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
c366f555
JH		 1207 queue_delayed_work(hdev->req_workqueue,
1208 &hdev->discov_off, to);
955638ec
MH		 1209 }
1210
69ab39ea 1211 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1212 goto failed;
1213 }
1214
2e58ef3e 1215 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1216 if (!cmd) {
1217 err = -ENOMEM;
73f22f62 1218 goto failed;
366a0336 1219 }
73f22f62 1220
310a3d48
MH		 1221 /* Cancel any potential discoverable timeout that might be
1222 * still active and store new timeout value. The arming of
1223 * the timeout happens in the complete handler.
1224 */
1225 cancel_delayed_work(&hdev->discov_off);
1226 hdev->discov_timeout = timeout;
1227
aed1a885
JH		 1228 if (cp->val)
1229 hci_dev_set_flag(hdev, HCI_DISCOVERABLE);
1230 else
1231 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
1232
b456f87c
JH		 1233 /* Limited discoverable mode */
1234 if (cp->val == 0x02)
a1536da2 1235 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1236 else
a358dc11 1237 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1238
aed1a885
JH		 1239 queue_work(hdev->req_workqueue, &hdev->discoverable_update);
1240 err = 0;
73f22f62
JH		 1241
1242failed:
09fd0de5 1243 hci_dev_unlock(hdev);
73f22f62
JH		 1244 return err;
1245}
1246
53c0ba74 1247void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status)
2b76f453 1248{
3b0602cd 1249 struct mgmt_pending_cmd *cmd;
2b76f453
JH		 1250
1251 BT_DBG("status 0x%02x", status);
1252
1253 hci_dev_lock(hdev);
1254
333ae95d 1255 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
2b76f453
JH		 1256 if (!cmd)
1257 goto unlock;
1258
37438c1f
JH		 1259 if (status) {
1260 u8 mgmt_err = mgmt_status(status);
a69e8375 1261 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
37438c1f
JH		 1262 goto remove_cmd;
1263 }
1264
2b76f453 1265 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
53c0ba74 1266 new_settings(hdev, cmd->sk);
d7b856f9 1267
37438c1f 1268remove_cmd:
2b76f453
JH		 1269 mgmt_pending_remove(cmd);
1270
1271unlock:
1272 hci_dev_unlock(hdev);
1273}
1274
e8ba3a1f
JH		 1275static int set_connectable_update_settings(struct hci_dev *hdev,
1276 struct sock *sk, u8 val)
1277{
1278 bool changed = false;
1279 int err;
1280
d7a5a11d 1281 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
e8ba3a1f
JH		 1282 changed = true;
1283
1284 if (val) {
a1536da2 1285 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
e8ba3a1f 1286 } else {
a358dc11
MH		 1287 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
1288 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
e8ba3a1f
JH		 1289 }
1290
1291 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1292 if (err < 0)
1293 return err;
1294
562064e6 1295 if (changed) {
01b1cb87 1296 hci_req_update_scan(hdev);
562064e6 1297 hci_update_background_scan(hdev);
e8ba3a1f 1298 return new_settings(hdev, sk);
562064e6 1299 }
e8ba3a1f
JH		 1300
1301 return 0;
1302}
1303
bdb6d971 1304static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1305 u16 len)
9fbcbb45 1306{
650f726d 1307 struct mgmt_mode *cp = data;
3b0602cd 1308 struct mgmt_pending_cmd *cmd;
9fbcbb45
JH		 1309 int err;
1310
bdb6d971 1311 BT_DBG("request for %s", hdev->name);
9fbcbb45 1312
d7a5a11d
MH		 1313 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1314 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 1315 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1316 MGMT_STATUS_REJECTED);
33c525c0 1317
a7e80f25 1318 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1319 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1320 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1321
09fd0de5 1322 hci_dev_lock(hdev);
9fbcbb45 1323
4b34ee78 1324 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1325 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1326 goto failed;
1327 }
1328
333ae95d
JH		 1329 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1330 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 1331 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1332 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1333 goto failed;
1334 }
1335
2e58ef3e 1336 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1337 if (!cmd) {
1338 err = -ENOMEM;
9fbcbb45 1339 goto failed;
366a0336 1340 }
9fbcbb45 1341
53c0ba74
JH		 1342 if (cp->val) {
1343 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
1344 } else {
1345 if (hdev->discov_timeout > 0)
1346 cancel_delayed_work(&hdev->discov_off);
2b76f453 1347
53c0ba74
JH		 1348 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1349 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
1350 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
9b74246f 1351 }
2b76f453 1352
53c0ba74
JH		 1353 queue_work(hdev->req_workqueue, &hdev->connectable_update);
1354 err = 0;
9fbcbb45
JH		 1355
1356failed:
09fd0de5 1357 hci_dev_unlock(hdev);
9fbcbb45
JH		 1358 return err;
1359}
1360
b2939475 1361static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1362 u16 len)
c542a06c 1363{
650f726d 1364 struct mgmt_mode *cp = data;
55594356 1365 bool changed;
c542a06c
JH		 1366 int err;
1367
bdb6d971 1368 BT_DBG("request for %s", hdev->name);
c542a06c 1369
a7e80f25 1370 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1371 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
1372 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1373
09fd0de5 1374 hci_dev_lock(hdev);
c542a06c
JH		 1375
1376 if (cp->val)
238be788 1377 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
c542a06c 1378 else
a69d8927 1379 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
c542a06c 1380
b2939475 1381 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 1382 if (err < 0)
55594356 1383 goto unlock;
c542a06c 1384
55594356
MH		 1385 if (changed)
1386 err = new_settings(hdev, sk);
c542a06c 1387
55594356 1388unlock:
09fd0de5 1389 hci_dev_unlock(hdev);
c542a06c
JH		 1390 return err;
1391}
1392
04124681
GP		 1393static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1394 u16 len)
33ef95ed
JH		 1395{
1396 struct mgmt_mode *cp = data;
3b0602cd 1397 struct mgmt_pending_cmd *cmd;
e6fe7986 1398 u8 val, status;
33ef95ed
JH		 1399 int err;
1400
bdb6d971 1401 BT_DBG("request for %s", hdev->name);
33ef95ed 1402
e6fe7986
JH		 1403 status = mgmt_bredr_support(hdev);
1404 if (status)
a69e8375
JH		 1405 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1406 status);
33c525c0 1407
a7e80f25 1408 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1409 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1410 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1411
33ef95ed
JH		 1412 hci_dev_lock(hdev);
1413
4b34ee78 1414 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1415 bool changed = false;
1416
d7a5a11d 1417 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
ce05d603 1418 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
47990ea0
JH		 1419 changed = true;
1420 }
1421
1422 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1423 if (err < 0)
1424 goto failed;
1425
1426 if (changed)
1427 err = new_settings(hdev, sk);
1428
33ef95ed
JH		 1429 goto failed;
1430 }
1431
333ae95d 1432 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
a69e8375
JH		 1433 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1434 MGMT_STATUS_BUSY);
33ef95ed
JH		 1435 goto failed;
1436 }
1437
1438 val = !!cp->val;
1439
1440 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1441 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1442 goto failed;
1443 }
1444
1445 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1446 if (!cmd) {
1447 err = -ENOMEM;
1448 goto failed;
1449 }
1450
1451 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1452 if (err < 0) {
1453 mgmt_pending_remove(cmd);
1454 goto failed;
1455 }
1456
1457failed:
1458 hci_dev_unlock(hdev);
33ef95ed
JH		 1459 return err;
1460}
1461
bdb6d971 1462static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 1463{
1464 struct mgmt_mode *cp = data;
3b0602cd 1465 struct mgmt_pending_cmd *cmd;
72ef0c1a 1466 u8 status;
ed2c4ee3
JH		 1467 int err;
1468
bdb6d971 1469 BT_DBG("request for %s", hdev->name);
ed2c4ee3 1470
cdba5281
MH		 1471 status = mgmt_bredr_support(hdev);
1472 if (status)
a69e8375 1473 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
cdba5281 1474
13ecd8b6 1475 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 1476 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1477 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 1478
a7e80f25 1479 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1480 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1481 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1482
13ecd8b6 1483 hci_dev_lock(hdev);
6c8f12c1 1484
4b34ee78 1485 if (!hdev_is_powered(hdev)) {
9ecb3e24 1486 bool changed;
c0ecddc2 1487
9ecb3e24 1488 if (cp->val) {
238be788
MH		 1489 changed = !hci_dev_test_and_set_flag(hdev,
1490 HCI_SSP_ENABLED);
9ecb3e24 1491 } else {
a69d8927
MH		 1492 changed = hci_dev_test_and_clear_flag(hdev,
1493 HCI_SSP_ENABLED);
9ecb3e24 1494 if (!changed)
a69d8927
MH		 1495 changed = hci_dev_test_and_clear_flag(hdev,
1496 HCI_HS_ENABLED);
9ecb3e24 1497 else
a358dc11 1498 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
c0ecddc2
JH		 1499 }
1500
1501 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1502 if (err < 0)
1503 goto failed;
1504
1505 if (changed)
1506 err = new_settings(hdev, sk);
1507
ed2c4ee3
JH		 1508 goto failed;
1509 }
1510
333ae95d 1511 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 1512 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1513 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 1514 goto failed;
1515 }
1516
d7a5a11d 1517 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
ed2c4ee3
JH		 1518 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1519 goto failed;
1520 }
1521
1522 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
1523 if (!cmd) {
1524 err = -ENOMEM;
1525 goto failed;
1526 }
1527
d7a5a11d 1528 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 1529 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
1530 sizeof(cp->val), &cp->val);
1531
72ef0c1a 1532 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 1533 if (err < 0) {
1534 mgmt_pending_remove(cmd);
1535 goto failed;
1536 }
1537
1538failed:
1539 hci_dev_unlock(hdev);
ed2c4ee3
JH		 1540 return err;
1541}
1542
bdb6d971 1543static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 1544{
1545 struct mgmt_mode *cp = data;
ee392693 1546 bool changed;
e6fe7986 1547 u8 status;
ee392693 1548 int err;
6d80dfd0 1549
bdb6d971 1550 BT_DBG("request for %s", hdev->name);
6d80dfd0 1551
e6fe7986
JH		 1552 status = mgmt_bredr_support(hdev);
1553 if (status)
a69e8375 1554 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 1555
9ecb3e24 1556 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 1557 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1558 MGMT_STATUS_NOT_SUPPORTED);
9ecb3e24 1559
d7a5a11d 1560 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 1561 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1562 MGMT_STATUS_REJECTED);
9ecb3e24 1563
a7e80f25 1564 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1565 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1566 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1567
ee392693
MH		 1568 hci_dev_lock(hdev);
1569
333ae95d 1570 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 1571 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1572 MGMT_STATUS_BUSY);
a2cb01de
JH		 1573 goto unlock;
1574 }
1575
a0cdf960 1576 if (cp->val) {
238be788 1577 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
a0cdf960
MH		 1578 } else {
1579 if (hdev_is_powered(hdev)) {
a69e8375
JH		 1580 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1581 MGMT_STATUS_REJECTED);
a0cdf960
MH		 1582 goto unlock;
1583 }
1584
a69d8927 1585 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
a0cdf960 1586 }
ee392693
MH		 1587
1588 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
1589 if (err < 0)
1590 goto unlock;
1591
1592 if (changed)
1593 err = new_settings(hdev, sk);
6d80dfd0 1594
ee392693
MH		 1595unlock:
1596 hci_dev_unlock(hdev);
1597 return err;
6d80dfd0
JH		 1598}
1599
1904a853 1600static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
416a4ae5
JH		 1601{
1602 struct cmd_lookup match = { NULL, hdev };
1603
3ad67582
JK		 1604 hci_dev_lock(hdev);
1605
416a4ae5
JH		 1606 if (status) {
1607 u8 mgmt_err = mgmt_status(status);
1608
1609 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
1610 &mgmt_err);
3ad67582 1611 goto unlock;
416a4ae5
JH		 1612 }
1613
1614 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
1615
1616 new_settings(hdev, match.sk);
1617
1618 if (match.sk)
1619 sock_put(match.sk);
441ad2d0
MH		 1620
1621 /* Make sure the controller has a good default for
1622 * advertising data. Restrict the update to when LE
1623 * has actually been enabled. During power on, the
1624 * update in powered_update_hci will take care of it.
1625 */
d7a5a11d 1626 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
441ad2d0
MH		 1627 struct hci_request req;
1628
441ad2d0 1629 hci_req_init(&req, hdev);
cab054ab
JH		 1630 __hci_req_update_adv_data(&req, 0x00);
1631 __hci_req_update_scan_rsp_data(&req, 0x00);
441ad2d0 1632 hci_req_run(&req, NULL);
2e93e53b 1633 hci_update_background_scan(hdev);
441ad2d0 1634 }
3ad67582
JK		 1635
1636unlock:
1637 hci_dev_unlock(hdev);
416a4ae5
JH		 1638}
1639
bdb6d971 1640static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 1641{
1642 struct mgmt_mode *cp = data;
1643 struct hci_cp_write_le_host_supported hci_cp;
3b0602cd 1644 struct mgmt_pending_cmd *cmd;
416a4ae5 1645 struct hci_request req;
06199cf8 1646 int err;
0b60eba1 1647 u8 val, enabled;
06199cf8 1648
bdb6d971 1649 BT_DBG("request for %s", hdev->name);
06199cf8 1650
13ecd8b6 1651 if (!lmp_le_capable(hdev))
a69e8375
JH		 1652 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1653 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 1654
a7e80f25 1655 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1656 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1657 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1658
e7844ee5
MH		 1659 /* Bluetooth single mode LE only controllers or dual-mode
1660 * controllers configured as LE only devices, do not allow
1661 * switching LE off. These have either LE enabled explicitly
1662 * or BR/EDR has been previously switched off.
1663 *
1664 * When trying to enable an already enabled LE, then gracefully
1665 * send a positive response. Trying to disable it however will
1666 * result into rejection.
1667 */
1668 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
1669 if (cp->val == 0x01)
1670 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1671
a69e8375
JH		 1672 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1673 MGMT_STATUS_REJECTED);
e7844ee5 1674 }
c73eee91 1675
13ecd8b6 1676 hci_dev_lock(hdev);
06199cf8
JH		 1677
1678 val = !!cp->val;
ffa88e02 1679 enabled = lmp_host_le_capable(hdev);
06199cf8 1680
847818d9 1681 if (!val)
f2252570 1682 hci_req_clear_adv_instance(hdev, NULL, 0x00, true);
847818d9 1683
0b60eba1 1684 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 1685 bool changed = false;
1686
d7a5a11d 1687 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
ce05d603 1688 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
06199cf8
JH		 1689 changed = true;
1690 }
1691
d7a5a11d 1692 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
a358dc11 1693 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
eeca6f89
JH		 1694 changed = true;
1695 }
1696
06199cf8
JH		 1697 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1698 if (err < 0)
1de028ce 1699 goto unlock;
06199cf8
JH		 1700
1701 if (changed)
1702 err = new_settings(hdev, sk);
1703
1de028ce 1704 goto unlock;
06199cf8
JH		 1705 }
1706
333ae95d
JH		 1707 if (pending_find(MGMT_OP_SET_LE, hdev) ||
1708 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
a69e8375
JH		 1709 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1710 MGMT_STATUS_BUSY);
1de028ce 1711 goto unlock;
06199cf8
JH		 1712 }
1713
1714 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
1715 if (!cmd) {
1716 err = -ENOMEM;
1de028ce 1717 goto unlock;
06199cf8
JH		 1718 }
1719
441ad2d0
MH		 1720 hci_req_init(&req, hdev);
1721
06199cf8
JH		 1722 memset(&hci_cp, 0, sizeof(hci_cp));
1723
1724 if (val) {
1725 hci_cp.le = val;
32226e4f 1726 hci_cp.simul = 0x00;
441ad2d0 1727 } else {
d7a5a11d 1728 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
f2252570 1729 __hci_req_disable_advertising(&req);
06199cf8
JH		 1730 }
1731
416a4ae5
JH		 1732 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
1733 &hci_cp);
1734
1735 err = hci_req_run(&req, le_enable_complete);
0c01bc48 1736 if (err < 0)
06199cf8 1737 mgmt_pending_remove(cmd);
06199cf8 1738
1de028ce
JH		 1739unlock:
1740 hci_dev_unlock(hdev);
06199cf8
JH		 1741 return err;
1742}
1743
0cab9c80
JH		 1744/* This is a helper function to test for pending mgmt commands that can
1745 * cause CoD or EIR HCI commands. We can only allow one such pending
1746 * mgmt command at a time since otherwise we cannot easily track what
1747 * the current values are, will be, and based on that calculate if a new
1748 * HCI command needs to be sent and if yes with what value.
1749 */
1750static bool pending_eir_or_class(struct hci_dev *hdev)
1751{
3b0602cd 1752 struct mgmt_pending_cmd *cmd;
0cab9c80
JH		 1753
1754 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
1755 switch (cmd->opcode) {
1756 case MGMT_OP_ADD_UUID:
1757 case MGMT_OP_REMOVE_UUID:
1758 case MGMT_OP_SET_DEV_CLASS:
1759 case MGMT_OP_SET_POWERED:
1760 return true;
1761 }
1762 }
1763
1764 return false;
1765}
1766
83be8eca
JH		 1767static const u8 bluetooth_base_uuid[] = {
1768 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
1769 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1770};
1771
1772static u8 get_uuid_size(const u8 *uuid)
1773{
1774 u32 val;
1775
1776 if (memcmp(uuid, bluetooth_base_uuid, 12))
1777 return 128;
1778
1779 val = get_unaligned_le32(&uuid[12]);
1780 if (val > 0xffff)
1781 return 32;
1782
1783 return 16;
1784}
1785
92da6097
JH		 1786static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
1787{
3b0602cd 1788 struct mgmt_pending_cmd *cmd;
92da6097
JH		 1789
1790 hci_dev_lock(hdev);
1791
333ae95d 1792 cmd = pending_find(mgmt_op, hdev);
92da6097
JH		 1793 if (!cmd)
1794 goto unlock;
1795
2a1afb5a
JH		 1796 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
1797 mgmt_status(status), hdev->dev_class, 3);
92da6097
JH		 1798
1799 mgmt_pending_remove(cmd);
1800
1801unlock:
1802 hci_dev_unlock(hdev);
1803}
1804
1904a853 1805static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 1806{
1807 BT_DBG("status 0x%02x", status);
1808
1809 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
1810}
1811
bdb6d971 1812static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 1813{
650f726d 1814 struct mgmt_cp_add_uuid *cp = data;
3b0602cd 1815 struct mgmt_pending_cmd *cmd;
890ea898 1816 struct hci_request req;
2aeb9a1a 1817 struct bt_uuid *uuid;
2aeb9a1a
JH		 1818 int err;
1819
bdb6d971 1820 BT_DBG("request for %s", hdev->name);
2aeb9a1a 1821
09fd0de5 1822 hci_dev_lock(hdev);
2aeb9a1a 1823
0cab9c80 1824 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 1825 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
1826 MGMT_STATUS_BUSY);
c95f0ba7
JH		 1827 goto failed;
1828 }
1829
92c4c204 1830 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 1831 if (!uuid) {
1832 err = -ENOMEM;
1833 goto failed;
1834 }
1835
1836 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 1837 uuid->svc_hint = cp->svc_hint;
83be8eca 1838 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 1839
de66aa63 1840 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 1841
890ea898 1842 hci_req_init(&req, hdev);
1aff6f09 1843
14bf5eac 1844 __hci_req_update_class(&req);
b1a8917c 1845 __hci_req_update_eir(&req);
890ea898 1846
92da6097
JH		 1847 err = hci_req_run(&req, add_uuid_complete);
1848 if (err < 0) {
1849 if (err != -ENODATA)
1850 goto failed;
80a1e1db 1851
2a1afb5a
JH		 1852 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
1853 hdev->dev_class, 3);
90e70454
JH		 1854 goto failed;
1855 }
1856
1857 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 1858 if (!cmd) {
90e70454 1859 err = -ENOMEM;
890ea898
JH		 1860 goto failed;
1861 }
1862
1863 err = 0;
2aeb9a1a
JH		 1864
1865failed:
09fd0de5 1866 hci_dev_unlock(hdev);
2aeb9a1a
JH		 1867 return err;
1868}
1869
24b78d0f
JH		 1870static bool enable_service_cache(struct hci_dev *hdev)
1871{
1872 if (!hdev_is_powered(hdev))
1873 return false;
1874
238be788 1875 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
46818ed5
JH		 1876 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
1877 CACHE_TIMEOUT);
24b78d0f
JH		 1878 return true;
1879 }
1880
1881 return false;
1882}
1883
1904a853 1884static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 1885{
1886 BT_DBG("status 0x%02x", status);
1887
1888 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
1889}
1890
bdb6d971 1891static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 1892 u16 len)
2aeb9a1a 1893{
650f726d 1894 struct mgmt_cp_remove_uuid *cp = data;
3b0602cd 1895 struct mgmt_pending_cmd *cmd;
056341c8 1896 struct bt_uuid *match, *tmp;
2aeb9a1a 1897 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 1898 struct hci_request req;
2aeb9a1a
JH		 1899 int err, found;
1900
bdb6d971 1901 BT_DBG("request for %s", hdev->name);
2aeb9a1a 1902
09fd0de5 1903 hci_dev_lock(hdev);
2aeb9a1a 1904
0cab9c80 1905 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 1906 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1907 MGMT_STATUS_BUSY);
c95f0ba7
JH		 1908 goto unlock;
1909 }
1910
2aeb9a1a 1911 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 1912 hci_uuids_clear(hdev);
4004b6d9 1913
24b78d0f 1914 if (enable_service_cache(hdev)) {
2a1afb5a
JH		 1915 err = mgmt_cmd_complete(sk, hdev->id,
1916 MGMT_OP_REMOVE_UUID,
1917 0, hdev->dev_class, 3);
24b78d0f
JH		 1918 goto unlock;
1919 }
4004b6d9 1920
9246a869 1921 goto update_class;
2aeb9a1a
JH		 1922 }
1923
1924 found = 0;
1925
056341c8 1926 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 1927 if (memcmp(match->uuid, cp->uuid, 16) != 0)
1928 continue;
1929
1930 list_del(&match->list);
482049f7 1931 kfree(match);
2aeb9a1a
JH		 1932 found++;
1933 }
1934
1935 if (found == 0) {
a69e8375
JH		 1936 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1937 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 1938 goto unlock;
1939 }
1940
9246a869 1941update_class:
890ea898 1942 hci_req_init(&req, hdev);
1aff6f09 1943
14bf5eac 1944 __hci_req_update_class(&req);
b1a8917c 1945 __hci_req_update_eir(&req);
890ea898 1946
92da6097
JH		 1947 err = hci_req_run(&req, remove_uuid_complete);
1948 if (err < 0) {
1949 if (err != -ENODATA)
1950 goto unlock;
80a1e1db 1951
2a1afb5a
JH		 1952 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
1953 hdev->dev_class, 3);
90e70454
JH		 1954 goto unlock;
1955 }
1956
1957 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 1958 if (!cmd) {
90e70454 1959 err = -ENOMEM;
890ea898
JH		 1960 goto unlock;
1961 }
1962
1963 err = 0;
2aeb9a1a
JH		 1964
1965unlock:
09fd0de5 1966 hci_dev_unlock(hdev);
2aeb9a1a
JH		 1967 return err;
1968}
1969
1904a853 1970static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 1971{
1972 BT_DBG("status 0x%02x", status);
1973
1974 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
1975}
1976
bdb6d971 1977static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1978 u16 len)
1aff6f09 1979{
650f726d 1980 struct mgmt_cp_set_dev_class *cp = data;
3b0602cd 1981 struct mgmt_pending_cmd *cmd;
890ea898 1982 struct hci_request req;
1aff6f09
JH		 1983 int err;
1984
bdb6d971 1985 BT_DBG("request for %s", hdev->name);
1aff6f09 1986
6203fc98 1987 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 1988 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
1989 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 1990
0cab9c80 1991 hci_dev_lock(hdev);
ee98f473 1992
0cab9c80 1993 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 1994 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
1995 MGMT_STATUS_BUSY);
0cab9c80
JH		 1996 goto unlock;
1997 }
c95f0ba7 1998
0cab9c80 1999 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
a69e8375
JH		 2000 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2001 MGMT_STATUS_INVALID_PARAMS);
0cab9c80
JH		 2002 goto unlock;
2003 }
575b3a02 2004
932f5ff5
JH		 2005 hdev->major_class = cp->major;
2006 hdev->minor_class = cp->minor;
2007
b5235a65 2008 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2009 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2010 hdev->dev_class, 3);
b5235a65
JH		 2011 goto unlock;
2012 }
2013
890ea898
JH		 2014 hci_req_init(&req, hdev);
2015
a69d8927 2016 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
7d78525d
JH		 2017 hci_dev_unlock(hdev);
2018 cancel_delayed_work_sync(&hdev->service_cache);
2019 hci_dev_lock(hdev);
b1a8917c 2020 __hci_req_update_eir(&req);
7d78525d 2021 }
14c0b608 2022
14bf5eac 2023 __hci_req_update_class(&req);
890ea898 2024
92da6097
JH		 2025 err = hci_req_run(&req, set_class_complete);
2026 if (err < 0) {
2027 if (err != -ENODATA)
2028 goto unlock;
1aff6f09 2029
2a1afb5a
JH		 2030 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2031 hdev->dev_class, 3);
90e70454
JH		 2032 goto unlock;
2033 }
2034
2035 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2036 if (!cmd) {
90e70454 2037 err = -ENOMEM;
890ea898
JH		 2038 goto unlock;
2039 }
2040
2041 err = 0;
1aff6f09 2042
b5235a65 2043unlock:
09fd0de5 2044 hci_dev_unlock(hdev);
1aff6f09
JH		 2045 return err;
2046}
2047
bdb6d971 2048static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2049 u16 len)
55ed8ca1 2050{
650f726d 2051 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2052 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2053 sizeof(struct mgmt_link_key_info));
4e51eae9 2054 u16 key_count, expected_len;
b1de97d8 2055 bool changed;
a492cd52 2056 int i;
55ed8ca1 2057
9060d5cf
MH		 2058 BT_DBG("request for %s", hdev->name);
2059
2060 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2061 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2062 MGMT_STATUS_NOT_SUPPORTED);
9060d5cf 2063
1f350c87 2064 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2065 if (key_count > max_key_count) {
2066 BT_ERR("load_link_keys: too big key_count value %u",
2067 key_count);
a69e8375
JH		 2068 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2069 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 2070 }
55ed8ca1 2071
86742e1e
JH		 2072 expected_len = sizeof(*cp) + key_count *
2073 sizeof(struct mgmt_link_key_info);
a492cd52 2074 if (expected_len != len) {
86742e1e 2075 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2076 expected_len, len);
a69e8375
JH		 2077 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2078 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2079 }
2080
4ae14301 2081 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
a69e8375
JH		 2082 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2083 MGMT_STATUS_INVALID_PARAMS);
4ae14301 2084
bdb6d971 2085 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2086 key_count);
55ed8ca1 2087
4ee71b20
JH		 2088 for (i = 0; i < key_count; i++) {
2089 struct mgmt_link_key_info *key = &cp->keys[i];
2090
8e991132 2091 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
a69e8375
JH		 2092 return mgmt_cmd_status(sk, hdev->id,
2093 MGMT_OP_LOAD_LINK_KEYS,
2094 MGMT_STATUS_INVALID_PARAMS);
4ee71b20
JH		 2095 }
2096
09fd0de5 2097 hci_dev_lock(hdev);
55ed8ca1
JH		 2098
2099 hci_link_keys_clear(hdev);
2100
55ed8ca1 2101 if (cp->debug_keys)
238be788 2102 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
55ed8ca1 2103 else
a69d8927
MH		 2104 changed = hci_dev_test_and_clear_flag(hdev,
2105 HCI_KEEP_DEBUG_KEYS);
b1de97d8
MH		 2106
2107 if (changed)
2108 new_settings(hdev, NULL);
55ed8ca1 2109
a492cd52 2110 for (i = 0; i < key_count; i++) {
86742e1e 2111 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2112
58e9293c
JH		 2113 /* Always ignore debug keys and require a new pairing if
2114 * the user wants to use them.
2115 */
2116 if (key->type == HCI_LK_DEBUG_COMBINATION)
2117 continue;
2118
7652ff6a
JH		 2119 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2120 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2121 }
2122
2a1afb5a 2123 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2124
09fd0de5 2125 hci_dev_unlock(hdev);
55ed8ca1 2126
a492cd52 2127 return 0;
55ed8ca1
JH		 2128}
2129
b1078ad0 2130static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2131 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2132{
2133 struct mgmt_ev_device_unpaired ev;
2134
2135 bacpy(&ev.addr.bdaddr, bdaddr);
2136 ev.addr.type = addr_type;
2137
2138 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2139 skip_sk);
b1078ad0
JH		 2140}
2141
bdb6d971 2142static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2143 u16 len)
55ed8ca1 2144{
124f6e35
JH		 2145 struct mgmt_cp_unpair_device *cp = data;
2146 struct mgmt_rp_unpair_device rp;
fc64361a 2147 struct hci_conn_params *params;
3b0602cd 2148 struct mgmt_pending_cmd *cmd;
55ed8ca1 2149 struct hci_conn *conn;
ec182f03 2150 u8 addr_type;
55ed8ca1
JH		 2151 int err;
2152
a8a1d19e 2153 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2154 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2155 rp.addr.type = cp->addr.type;
a8a1d19e 2156
4ee71b20 2157 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2158 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2159 MGMT_STATUS_INVALID_PARAMS,
2160 &rp, sizeof(rp));
4ee71b20 2161
118da70b 2162 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2a1afb5a
JH		 2163 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2164 MGMT_STATUS_INVALID_PARAMS,
2165 &rp, sizeof(rp));
118da70b 2166
4ee71b20
JH		 2167 hci_dev_lock(hdev);
2168
86a8cfc6 2169 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2170 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2171 MGMT_STATUS_NOT_POWERED, &rp,
2172 sizeof(rp));
86a8cfc6
JH		 2173 goto unlock;
2174 }
2175
e0b2b27e 2176 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 2177 /* If disconnection is requested, then look up the
2178 * connection. If the remote device is connected, it
2179 * will be later used to terminate the link.
2180 *
2181 * Setting it to NULL explicitly will cause no
2182 * termination of the link.
2183 */
2184 if (cp->disconnect)
2185 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2186 &cp->addr.bdaddr);
2187 else
2188 conn = NULL;
2189
124f6e35 2190 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
ec182f03
JH		 2191 if (err < 0) {
2192 err = mgmt_cmd_complete(sk, hdev->id,
2193 MGMT_OP_UNPAIR_DEVICE,
2194 MGMT_STATUS_NOT_PAIRED, &rp,
2195 sizeof(rp));
2196 goto unlock;
89cbb063
AA		 2197 }
2198
ec182f03 2199 goto done;
e0b2b27e 2200 }
b0dbfb46 2201
ec182f03
JH		 2202 /* LE address type */
2203 addr_type = le_addr_type(cp->addr.type);
2204
2205 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2206
2207 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
55ed8ca1 2208 if (err < 0) {
2a1afb5a
JH		 2209 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2210 MGMT_STATUS_NOT_PAIRED, &rp,
2211 sizeof(rp));
55ed8ca1
JH		 2212 goto unlock;
2213 }
2214
ec182f03
JH		 2215 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type);
2216 if (!conn) {
2217 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2218 goto done;
2219 }
2220
c81d555a
JH		 2221 /* Abort any ongoing SMP pairing */
2222 smp_cancel_pairing(conn);
2223
ec182f03
JH		 2224 /* Defer clearing up the connection parameters until closing to
2225 * give a chance of keeping them if a repairing happens.
2226 */
2227 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
2228
fc64361a
JH		 2229 /* Disable auto-connection parameters if present */
2230 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type);
2231 if (params) {
2232 if (params->explicit_connect)
2233 params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
2234 else
2235 params->auto_connect = HCI_AUTO_CONN_DISABLED;
2236 }
2237
ec182f03
JH		 2238 /* If disconnection is not requested, then clear the connection
2239 * variable so that the link is not terminated.
2240 */
2241 if (!cp->disconnect)
2242 conn = NULL;
2243
2244done:
89cbb063
AA		 2245 /* If the connection variable is set, then termination of the
2246 * link is requested.
2247 */
a8a1d19e 2248 if (!conn) {
2a1afb5a
JH		 2249 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
2250 &rp, sizeof(rp));
b1078ad0 2251 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2252 goto unlock;
2253 }
55ed8ca1 2254
124f6e35 2255 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2256 sizeof(*cp));
a8a1d19e
JH		 2257 if (!cmd) {
2258 err = -ENOMEM;
2259 goto unlock;
55ed8ca1
JH		 2260 }
2261
d8b7b1e4
JH		 2262 cmd->cmd_complete = addr_cmd_complete;
2263
89e0ccc8 2264 err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
a8a1d19e
JH		 2265 if (err < 0)
2266 mgmt_pending_remove(cmd);
2267
55ed8ca1 2268unlock:
09fd0de5 2269 hci_dev_unlock(hdev);
55ed8ca1
JH		 2270 return err;
2271}
2272
bdb6d971 2273static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2274 u16 len)
8962ee74 2275{
650f726d 2276 struct mgmt_cp_disconnect *cp = data;
06a63b19 2277 struct mgmt_rp_disconnect rp;
3b0602cd 2278 struct mgmt_pending_cmd *cmd;
8962ee74 2279 struct hci_conn *conn;
8962ee74
JH		 2280 int err;
2281
2282 BT_DBG("");
2283
06a63b19
JH		 2284 memset(&rp, 0, sizeof(rp));
2285 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2286 rp.addr.type = cp->addr.type;
2287
4ee71b20 2288 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2289 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2290 MGMT_STATUS_INVALID_PARAMS,
2291 &rp, sizeof(rp));
4ee71b20 2292
09fd0de5 2293 hci_dev_lock(hdev);
8962ee74
JH		 2294
2295 if (!test_bit(HCI_UP, &hdev->flags)) {
2a1afb5a
JH		 2296 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2297 MGMT_STATUS_NOT_POWERED, &rp,
2298 sizeof(rp));
8962ee74
JH		 2299 goto failed;
2300 }
2301
333ae95d 2302 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
2a1afb5a
JH		 2303 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2304 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2305 goto failed;
2306 }
2307
591f47f3 2308 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2309 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2310 &cp->addr.bdaddr);
88c3df13 2311 else
9d4c1cc1
JH		 2312 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
2313 le_addr_type(cp->addr.type));
365227e5 2314
f960727e 2315 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
2a1afb5a
JH		 2316 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2317 MGMT_STATUS_NOT_CONNECTED, &rp,
2318 sizeof(rp));
8962ee74
JH		 2319 goto failed;
2320 }
2321
2e58ef3e 2322 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2323 if (!cmd) {
2324 err = -ENOMEM;
8962ee74 2325 goto failed;
366a0336 2326 }
8962ee74 2327
f5818c22
JH		 2328 cmd->cmd_complete = generic_cmd_complete;
2329
e3f2f92a 2330 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 2331 if (err < 0)
a664b5bc 2332 mgmt_pending_remove(cmd);
8962ee74
JH		 2333
2334failed:
09fd0de5 2335 hci_dev_unlock(hdev);
8962ee74
JH		 2336 return err;
2337}
2338
57c1477c 2339static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2340{
2341 switch (link_type) {
2342 case LE_LINK:
48264f06
JH		 2343 switch (addr_type) {
2344 case ADDR_LE_DEV_PUBLIC:
591f47f3 2345 return BDADDR_LE_PUBLIC;
0ed09148 2346
48264f06 2347 default:
0ed09148 2348 /* Fallback to LE Random address type */
591f47f3 2349 return BDADDR_LE_RANDOM;
48264f06 2350 }
0ed09148 2351
4c659c39 2352 default:
0ed09148 2353 /* Fallback to BR/EDR type */
591f47f3 2354 return BDADDR_BREDR;
4c659c39
JH		 2355 }
2356}
2357
04124681
GP		 2358static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2359 u16 data_len)
2784eb41 2360{
2784eb41 2361 struct mgmt_rp_get_connections *rp;
8035ded4 2362 struct hci_conn *c;
a38528f1 2363 size_t rp_len;
60fc5fb6
JH		 2364 int err;
2365 u16 i;
2784eb41
JH		 2366
2367 BT_DBG("");
2368
09fd0de5 2369 hci_dev_lock(hdev);
2784eb41 2370
5f97c1df 2371 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2372 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
2373 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2374 goto unlock;
2375 }
2376
60fc5fb6 2377 i = 0;
b644ba33
JH		 2378 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2379 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2380 i++;
2784eb41
JH		 2381 }
2382
60fc5fb6 2383 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2384 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2385 if (!rp) {
2784eb41
JH		 2386 err = -ENOMEM;
2387 goto unlock;
2388 }
2389
2784eb41 2390 i = 0;
4c659c39 2391 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2392 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2393 continue;
4c659c39 2394 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2395 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2396 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2397 continue;
2398 i++;
2399 }
2400
eb55ef07 2401 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2402
4c659c39
JH		 2403 /* Recalculate length in case of filtered SCO connections, etc */
2404 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2405
2a1afb5a
JH		 2406 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
2407 rp_len);
2784eb41 2408
a38528f1 2409 kfree(rp);
5f97c1df
JH		 2410
2411unlock:
09fd0de5 2412 hci_dev_unlock(hdev);
2784eb41
JH		 2413 return err;
2414}
2415
bdb6d971 2416static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2417 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67 2418{
3b0602cd 2419 struct mgmt_pending_cmd *cmd;
96d97a67
WR		 2420 int err;
2421
2e58ef3e 2422 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2423 sizeof(*cp));
96d97a67
WR		 2424 if (!cmd)
2425 return -ENOMEM;
2426
d8457698 2427 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2428 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2429 if (err < 0)
2430 mgmt_pending_remove(cmd);
2431
2432 return err;
2433}
2434
bdb6d971 2435static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2436 u16 len)
980e1a53 2437{
96d97a67 2438 struct hci_conn *conn;
650f726d 2439 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2440 struct hci_cp_pin_code_reply reply;
3b0602cd 2441 struct mgmt_pending_cmd *cmd;
980e1a53
JH		 2442 int err;
2443
2444 BT_DBG("");
2445
09fd0de5 2446 hci_dev_lock(hdev);
980e1a53 2447
4b34ee78 2448 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2449 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2450 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2451 goto failed;
2452 }
2453
d8457698 2454 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2455 if (!conn) {
a69e8375
JH		 2456 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2457 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2458 goto failed;
2459 }
2460
2461 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2462 struct mgmt_cp_pin_code_neg_reply ncp;
2463
2464 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2465
2466 BT_ERR("PIN code is not 16 bytes long");
2467
bdb6d971 2468 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2469 if (err >= 0)
a69e8375
JH		 2470 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2471 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 2472
2473 goto failed;
2474 }
2475
00abfe44 2476 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 2477 if (!cmd) {
2478 err = -ENOMEM;
980e1a53 2479 goto failed;
366a0336 2480 }
980e1a53 2481
7776d1d8
JH		 2482 cmd->cmd_complete = addr_cmd_complete;
2483
d8457698 2484 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2485 reply.pin_len = cp->pin_len;
24718ca5 2486 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 2487
2488 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2489 if (err < 0)
a664b5bc 2490 mgmt_pending_remove(cmd);
980e1a53
JH		 2491
2492failed:
09fd0de5 2493 hci_dev_unlock(hdev);
980e1a53
JH		 2494 return err;
2495}
2496
04124681
GP		 2497static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
2498 u16 len)
17fa4b9d 2499{
650f726d 2500 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 2501
2502 BT_DBG("");
2503
4ec86d4c 2504 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 2505 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
2506 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
4ec86d4c 2507
09fd0de5 2508 hci_dev_lock(hdev);
17fa4b9d
JH		 2509
2510 hdev->io_capability = cp->io_capability;
2511
2512 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 2513 hdev->io_capability);
17fa4b9d 2514
09fd0de5 2515 hci_dev_unlock(hdev);
17fa4b9d 2516
2a1afb5a
JH		 2517 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
2518 NULL, 0);
17fa4b9d
JH		 2519}
2520
3b0602cd 2521static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 2522{
2523 struct hci_dev *hdev = conn->hdev;
3b0602cd 2524 struct mgmt_pending_cmd *cmd;
e9a416b5 2525
2e58ef3e 2526 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 2527 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
2528 continue;
2529
e9a416b5
JH		 2530 if (cmd->user_data != conn)
2531 continue;
2532
2533 return cmd;
2534 }
2535
2536 return NULL;
2537}
2538
3b0602cd 2539static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
e9a416b5
JH		 2540{
2541 struct mgmt_rp_pair_device rp;
2542 struct hci_conn *conn = cmd->user_data;
9df74653 2543 int err;
e9a416b5 2544
61b1a7fb
JH		 2545 bacpy(&rp.addr.bdaddr, &conn->dst);
2546 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 2547
2a1afb5a
JH		 2548 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
2549 status, &rp, sizeof(rp));
e9a416b5
JH		 2550
2551 /* So we don't get further callbacks for this connection */
2552 conn->connect_cfm_cb = NULL;
2553 conn->security_cfm_cb = NULL;
2554 conn->disconn_cfm_cb = NULL;
2555
76a68ba0 2556 hci_conn_drop(conn);
89cbb063
AA		 2557
2558 /* The device is paired so there is no need to remove
2559 * its connection parameters anymore.
2560 */
2561 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
15013aeb
JH		 2562
2563 hci_conn_put(conn);
9df74653
JH		 2564
2565 return err;
e9a416b5
JH		 2566}
2567
f4a407be
JH		 2568void mgmt_smp_complete(struct hci_conn *conn, bool complete)
2569{
2570 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3b0602cd 2571 struct mgmt_pending_cmd *cmd;
f4a407be
JH		 2572
2573 cmd = find_pairing(conn);
a511b35b 2574 if (cmd) {
04ab2749 2575 cmd->cmd_complete(cmd, status);
a511b35b
JH		 2576 mgmt_pending_remove(cmd);
2577 }
f4a407be
JH		 2578}
2579
e9a416b5
JH		 2580static void pairing_complete_cb(struct hci_conn *conn, u8 status)
2581{
3b0602cd 2582 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 2583
2584 BT_DBG("status %u", status);
2585
2586 cmd = find_pairing(conn);
a511b35b 2587 if (!cmd) {
e9a416b5 2588 BT_DBG("Unable to find a pending command");
a511b35b
JH		 2589 return;
2590 }
2591
2592 cmd->cmd_complete(cmd, mgmt_status(status));
2593 mgmt_pending_remove(cmd);
e9a416b5
JH		 2594}
2595
f4a407be 2596static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739 2597{
3b0602cd 2598 struct mgmt_pending_cmd *cmd;
4c47d739
VA		 2599
2600 BT_DBG("status %u", status);
2601
2602 if (!status)
2603 return;
2604
2605 cmd = find_pairing(conn);
a511b35b 2606 if (!cmd) {
4c47d739 2607 BT_DBG("Unable to find a pending command");
a511b35b
JH		 2608 return;
2609 }
2610
2611 cmd->cmd_complete(cmd, mgmt_status(status));
2612 mgmt_pending_remove(cmd);
4c47d739
VA		 2613}
2614
bdb6d971 2615static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2616 u16 len)
e9a416b5 2617{
650f726d 2618 struct mgmt_cp_pair_device *cp = data;
1425acb7 2619 struct mgmt_rp_pair_device rp;
3b0602cd 2620 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 2621 u8 sec_level, auth_type;
2622 struct hci_conn *conn;
e9a416b5
JH		 2623 int err;
2624
2625 BT_DBG("");
2626
f950a30e
SJ		 2627 memset(&rp, 0, sizeof(rp));
2628 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2629 rp.addr.type = cp->addr.type;
2630
4ee71b20 2631 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2632 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2633 MGMT_STATUS_INVALID_PARAMS,
2634 &rp, sizeof(rp));
4ee71b20 2635
4ec86d4c 2636 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 2637 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2638 MGMT_STATUS_INVALID_PARAMS,
2639 &rp, sizeof(rp));
4ec86d4c 2640
09fd0de5 2641 hci_dev_lock(hdev);
e9a416b5 2642
5f97c1df 2643 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2644 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2645 MGMT_STATUS_NOT_POWERED, &rp,
2646 sizeof(rp));
5f97c1df
JH		 2647 goto unlock;
2648 }
2649
55e76b38
JH		 2650 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
2651 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2652 MGMT_STATUS_ALREADY_PAIRED, &rp,
2653 sizeof(rp));
2654 goto unlock;
2655 }
2656
c908df36 2657 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 2658 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 2659
6f77d8c7 2660 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 2661 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
2662 auth_type);
6f77d8c7 2663 } else {
85813a7e 2664 u8 addr_type = le_addr_type(cp->addr.type);
5157b8a5 2665 struct hci_conn_params *p;
6f77d8c7 2666
7c264b10
MH		 2667 /* When pairing a new device, it is expected to remember
2668 * this device for future connections. Adding the connection
2669 * parameter information ahead of time allows tracking
2670 * of the slave preferred values and will speed up any
2671 * further connection establishment.
2672 *
2673 * If connection parameters already exist, then they
2674 * will be kept and this function does nothing.
2675 */
5157b8a5
JP		 2676 p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
2677
2678 if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
2679 p->auto_connect = HCI_AUTO_CONN_DISABLED;
7c264b10 2680
fa142220
JP		 2681 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
2682 addr_type, sec_level,
0ad06aa6 2683 HCI_LE_CONN_TIMEOUT);
6f77d8c7 2684 }
7a512d01 2685
30e76272 2686 if (IS_ERR(conn)) {
489dc48e
AK		 2687 int status;
2688
2689 if (PTR_ERR(conn) == -EBUSY)
2690 status = MGMT_STATUS_BUSY;
faa81030
LR		 2691 else if (PTR_ERR(conn) == -EOPNOTSUPP)
2692 status = MGMT_STATUS_NOT_SUPPORTED;
2693 else if (PTR_ERR(conn) == -ECONNREFUSED)
2694 status = MGMT_STATUS_REJECTED;
489dc48e
AK		 2695 else
2696 status = MGMT_STATUS_CONNECT_FAILED;
2697
2a1afb5a
JH		 2698 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2699 status, &rp, sizeof(rp));
e9a416b5
JH		 2700 goto unlock;
2701 }
2702
2703 if (conn->connect_cfm_cb) {
76a68ba0 2704 hci_conn_drop(conn);
2a1afb5a
JH		 2705 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2706 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 2707 goto unlock;
2708 }
2709
2e58ef3e 2710 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 2711 if (!cmd) {
2712 err = -ENOMEM;
76a68ba0 2713 hci_conn_drop(conn);
e9a416b5
JH		 2714 goto unlock;
2715 }
2716
04ab2749
JH		 2717 cmd->cmd_complete = pairing_complete;
2718
7a512d01 2719 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 2720 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 2721 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 2722 conn->security_cfm_cb = pairing_complete_cb;
2723 conn->disconn_cfm_cb = pairing_complete_cb;
2724 } else {
2725 conn->connect_cfm_cb = le_pairing_complete_cb;
2726 conn->security_cfm_cb = le_pairing_complete_cb;
2727 conn->disconn_cfm_cb = le_pairing_complete_cb;
2728 }
7a512d01 2729
e9a416b5 2730 conn->io_capability = cp->io_cap;
f8aaf9b6 2731 cmd->user_data = hci_conn_get(conn);
e9a416b5 2732
6f78fd4b 2733 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
a511b35b
JH		 2734 hci_conn_security(conn, sec_level, auth_type, true)) {
2735 cmd->cmd_complete(cmd, 0);
2736 mgmt_pending_remove(cmd);
2737 }
e9a416b5
JH		 2738
2739 err = 0;
2740
2741unlock:
09fd0de5 2742 hci_dev_unlock(hdev);
e9a416b5
JH		 2743 return err;
2744}
2745
04124681
GP		 2746static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
2747 u16 len)
28424707 2748{
0f4e68cf 2749 struct mgmt_addr_info *addr = data;
3b0602cd 2750 struct mgmt_pending_cmd *cmd;
28424707
JH		 2751 struct hci_conn *conn;
2752 int err;
2753
2754 BT_DBG("");
2755
28424707
JH		 2756 hci_dev_lock(hdev);
2757
5f97c1df 2758 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2759 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2760 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2761 goto unlock;
2762 }
2763
333ae95d 2764 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
28424707 2765 if (!cmd) {
a69e8375
JH		 2766 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2767 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 2768 goto unlock;
2769 }
2770
2771 conn = cmd->user_data;
2772
2773 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
a69e8375
JH		 2774 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2775 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 2776 goto unlock;
2777 }
2778
a511b35b
JH		 2779 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
2780 mgmt_pending_remove(cmd);
28424707 2781
2a1afb5a
JH		 2782 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
2783 addr, sizeof(*addr));
28424707
JH		 2784unlock:
2785 hci_dev_unlock(hdev);
28424707
JH		 2786 return err;
2787}
2788
bdb6d971 2789static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 2790 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 2791 u16 hci_op, __le32 passkey)
a5c29683 2792{
3b0602cd 2793 struct mgmt_pending_cmd *cmd;
0df4c185 2794 struct hci_conn *conn;
a5c29683
JH		 2795 int err;
2796
09fd0de5 2797 hci_dev_lock(hdev);
08ba5382 2798
4b34ee78 2799 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2800 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2801 MGMT_STATUS_NOT_POWERED, addr,
2802 sizeof(*addr));
0df4c185 2803 goto done;
a5c29683
JH		 2804 }
2805
1707c60e
JH		 2806 if (addr->type == BDADDR_BREDR)
2807 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 2808 else
9d4c1cc1
JH		 2809 conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr,
2810 le_addr_type(addr->type));
272d90df
JH		 2811
2812 if (!conn) {
2a1afb5a
JH		 2813 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2814 MGMT_STATUS_NOT_CONNECTED, addr,
2815 sizeof(*addr));
272d90df
JH		 2816 goto done;
2817 }
47c15e2b 2818
1707c60e 2819 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 2820 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 2821 if (!err)
2a1afb5a
JH		 2822 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2823 MGMT_STATUS_SUCCESS, addr,
2824 sizeof(*addr));
5fe57d9e 2825 else
2a1afb5a
JH		 2826 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2827 MGMT_STATUS_FAILED, addr,
2828 sizeof(*addr));
47c15e2b 2829
47c15e2b
BG		 2830 goto done;
2831 }
2832
1707c60e 2833 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 2834 if (!cmd) {
2835 err = -ENOMEM;
0df4c185 2836 goto done;
a5c29683
JH		 2837 }
2838
7776d1d8
JH		 2839 cmd->cmd_complete = addr_cmd_complete;
2840
0df4c185 2841 /* Continue with pairing via HCI */
604086b7
BG		 2842 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
2843 struct hci_cp_user_passkey_reply cp;
2844
1707c60e 2845 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 2846 cp.passkey = passkey;
2847 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
2848 } else
1707c60e
JH		 2849 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
2850 &addr->bdaddr);
604086b7 2851
a664b5bc
JH		 2852 if (err < 0)
2853 mgmt_pending_remove(cmd);
a5c29683 2854
0df4c185 2855done:
09fd0de5 2856 hci_dev_unlock(hdev);
a5c29683
JH		 2857 return err;
2858}
2859
afeb019d
JK		 2860static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
2861 void *data, u16 len)
2862{
2863 struct mgmt_cp_pin_code_neg_reply *cp = data;
2864
2865 BT_DBG("");
2866
1707c60e 2867 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 2868 MGMT_OP_PIN_CODE_NEG_REPLY,
2869 HCI_OP_PIN_CODE_NEG_REPLY, 0);
2870}
2871
04124681
GP		 2872static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2873 u16 len)
0df4c185 2874{
650f726d 2875 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 2876
2877 BT_DBG("");
2878
2879 if (len != sizeof(*cp))
a69e8375
JH		 2880 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
2881 MGMT_STATUS_INVALID_PARAMS);
0df4c185 2882
1707c60e 2883 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2884 MGMT_OP_USER_CONFIRM_REPLY,
2885 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 2886}
2887
bdb6d971 2888static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2889 void *data, u16 len)
0df4c185 2890{
c9c2659f 2891 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 2892
2893 BT_DBG("");
2894
1707c60e 2895 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2896 MGMT_OP_USER_CONFIRM_NEG_REPLY,
2897 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 2898}
2899
04124681
GP		 2900static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2901 u16 len)
604086b7 2902{
650f726d 2903 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 2904
2905 BT_DBG("");
2906
1707c60e 2907 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2908 MGMT_OP_USER_PASSKEY_REPLY,
2909 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 2910}
2911
bdb6d971 2912static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2913 void *data, u16 len)
604086b7 2914{
650f726d 2915 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 2916
2917 BT_DBG("");
2918
1707c60e 2919 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2920 MGMT_OP_USER_PASSKEY_NEG_REPLY,
2921 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 2922}
2923
1904a853 2924static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
13928971
JH		 2925{
2926 struct mgmt_cp_set_local_name *cp;
3b0602cd 2927 struct mgmt_pending_cmd *cmd;
13928971
JH		 2928
2929 BT_DBG("status 0x%02x", status);
2930
2931 hci_dev_lock(hdev);
2932
333ae95d 2933 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 2934 if (!cmd)
2935 goto unlock;
2936
2937 cp = cmd->param;
2938
2939 if (status)
a69e8375
JH		 2940 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
2941 mgmt_status(status));
13928971 2942 else
2a1afb5a
JH		 2943 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2944 cp, sizeof(*cp));
13928971
JH		 2945
2946 mgmt_pending_remove(cmd);
2947
2948unlock:
2949 hci_dev_unlock(hdev);
2950}
2951
bdb6d971 2952static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2953 u16 len)
b312b161 2954{
2b4bf397 2955 struct mgmt_cp_set_local_name *cp = data;
3b0602cd 2956 struct mgmt_pending_cmd *cmd;
890ea898 2957 struct hci_request req;
b312b161
JH		 2958 int err;
2959
2960 BT_DBG("");
2961
09fd0de5 2962 hci_dev_lock(hdev);
b312b161 2963
b3f2ca94
JH		 2964 /* If the old values are the same as the new ones just return a
2965 * direct command complete event.
2966 */
2967 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
2968 !memcmp(hdev->short_name, cp->short_name,
2969 sizeof(hdev->short_name))) {
2a1afb5a
JH		 2970 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2971 data, len);
b3f2ca94
JH		 2972 goto failed;
2973 }
2974
2b4bf397 2975 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 2976
b5235a65 2977 if (!hdev_is_powered(hdev)) {
2b4bf397 2978 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde 2979
2a1afb5a
JH		 2980 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2981 data, len);
28cc7bde
JH		 2982 if (err < 0)
2983 goto failed;
2984
f6b7712e
MH		 2985 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
2986 data, len, sk);
28cc7bde 2987
b5235a65
JH		 2988 goto failed;
2989 }
2990
28cc7bde 2991 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 2992 if (!cmd) {
2993 err = -ENOMEM;
2994 goto failed;
2995 }
2996
13928971
JH		 2997 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
2998
890ea898 2999 hci_req_init(&req, hdev);
3f985050
JH		 3000
3001 if (lmp_bredr_capable(hdev)) {
00cf5040 3002 __hci_req_update_name(&req);
b1a8917c 3003 __hci_req_update_eir(&req);
3f985050
JH		 3004 }
3005
7a5f4990
MH		 3006 /* The name is stored in the scan response data and so
3007 * no need to udpate the advertising data here.
3008 */
3f985050 3009 if (lmp_le_capable(hdev))
cab054ab 3010 __hci_req_update_scan_rsp_data(&req, hdev->cur_adv_instance);
3f985050 3011
13928971 3012 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3013 if (err < 0)
3014 mgmt_pending_remove(cmd);
3015
3016failed:
09fd0de5 3017 hci_dev_unlock(hdev);
b312b161
JH		 3018 return err;
3019}
3020
1b9441f8
JH		 3021static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3022 u16 opcode, struct sk_buff *skb)
3023{
3024 struct mgmt_rp_read_local_oob_data mgmt_rp;
3025 size_t rp_size = sizeof(mgmt_rp);
3026 struct mgmt_pending_cmd *cmd;
3027
3028 BT_DBG("%s status %u", hdev->name, status);
3029
3030 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3031 if (!cmd)
3032 return;
3033
3034 if (status || !skb) {
3035 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3036 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3037 goto remove;
3038 }
3039
3040 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3041
3042 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3043 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3044
3045 if (skb->len < sizeof(*rp)) {
3046 mgmt_cmd_status(cmd->sk, hdev->id,
3047 MGMT_OP_READ_LOCAL_OOB_DATA,
3048 MGMT_STATUS_FAILED);
3049 goto remove;
3050 }
3051
3052 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3053 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3054
3055 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3056 } else {
3057 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3058
3059 if (skb->len < sizeof(*rp)) {
3060 mgmt_cmd_status(cmd->sk, hdev->id,
3061 MGMT_OP_READ_LOCAL_OOB_DATA,
3062 MGMT_STATUS_FAILED);
3063 goto remove;
3064 }
3065
3066 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3067 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3068
3069 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3070 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3071 }
3072
3073 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3074 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3075
3076remove:
3077 mgmt_pending_remove(cmd);
3078}
3079
0f4e68cf 3080static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3081 void *data, u16 data_len)
c35938b2 3082{
3b0602cd 3083 struct mgmt_pending_cmd *cmd;
1b9441f8 3084 struct hci_request req;
c35938b2
SJ		 3085 int err;
3086
bdb6d971 3087 BT_DBG("%s", hdev->name);
c35938b2 3088
09fd0de5 3089 hci_dev_lock(hdev);
c35938b2 3090
4b34ee78 3091 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3092 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3093 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3094 goto unlock;
3095 }
3096
9a1a1996 3097 if (!lmp_ssp_capable(hdev)) {
a69e8375
JH		 3098 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3099 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3100 goto unlock;
3101 }
3102
333ae95d 3103 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
a69e8375
JH		 3104 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3105 MGMT_STATUS_BUSY);
c35938b2
SJ		 3106 goto unlock;
3107 }
3108
2e58ef3e 3109 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3110 if (!cmd) {
3111 err = -ENOMEM;
3112 goto unlock;
3113 }
3114
1b9441f8
JH		 3115 hci_req_init(&req, hdev);
3116
710f11c0 3117 if (bredr_sc_enabled(hdev))
1b9441f8 3118 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4d2d2796 3119 else
1b9441f8 3120 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4d2d2796 3121
1b9441f8 3122 err = hci_req_run_skb(&req, read_local_oob_data_complete);
c35938b2
SJ		 3123 if (err < 0)
3124 mgmt_pending_remove(cmd);
3125
3126unlock:
09fd0de5 3127 hci_dev_unlock(hdev);
c35938b2
SJ		 3128 return err;
3129}
3130
bdb6d971 3131static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3132 void *data, u16 len)
2763eda6 3133{
5d57e796 3134 struct mgmt_addr_info *addr = data;
2763eda6
SJ		 3135 int err;
3136
bdb6d971 3137 BT_DBG("%s ", hdev->name);
2763eda6 3138
5d57e796 3139 if (!bdaddr_type_is_valid(addr->type))
2a1afb5a
JH		 3140 return mgmt_cmd_complete(sk, hdev->id,
3141 MGMT_OP_ADD_REMOTE_OOB_DATA,
3142 MGMT_STATUS_INVALID_PARAMS,
3143 addr, sizeof(*addr));
5d57e796 3144
09fd0de5 3145 hci_dev_lock(hdev);
2763eda6 3146
ec109113
MH		 3147 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3148 struct mgmt_cp_add_remote_oob_data *cp = data;
3149 u8 status;
bf1e3541 3150
c19a495c 3151 if (cp->addr.type != BDADDR_BREDR) {
2a1afb5a
JH		 3152 err = mgmt_cmd_complete(sk, hdev->id,
3153 MGMT_OP_ADD_REMOTE_OOB_DATA,
3154 MGMT_STATUS_INVALID_PARAMS,
3155 &cp->addr, sizeof(cp->addr));
c19a495c
JH		 3156 goto unlock;
3157 }
3158
ec109113 3159 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 3160 cp->addr.type, cp->hash,
3161 cp->rand, NULL, NULL);
ec109113
MH		 3162 if (err < 0)
3163 status = MGMT_STATUS_FAILED;
3164 else
3165 status = MGMT_STATUS_SUCCESS;
3166
2a1afb5a
JH		 3167 err = mgmt_cmd_complete(sk, hdev->id,
3168 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
3169 &cp->addr, sizeof(cp->addr));
ec109113
MH		 3170 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3171 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
41bcfd50 3172 u8 *rand192, *hash192, *rand256, *hash256;
ec109113
MH		 3173 u8 status;
3174
86df9200 3175 if (bdaddr_type_is_le(cp->addr.type)) {
d25b78e2
JH		 3176 /* Enforce zero-valued 192-bit parameters as
3177 * long as legacy SMP OOB isn't implemented.
3178 */
3179 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
3180 memcmp(cp->hash192, ZERO_KEY, 16)) {
2a1afb5a
JH		 3181 err = mgmt_cmd_complete(sk, hdev->id,
3182 MGMT_OP_ADD_REMOTE_OOB_DATA,
3183 MGMT_STATUS_INVALID_PARAMS,
3184 addr, sizeof(*addr));
d25b78e2
JH		 3185 goto unlock;
3186 }
3187
86df9200
JH		 3188 rand192 = NULL;
3189 hash192 = NULL;
3190 } else {
41bcfd50
MH		 3191 /* In case one of the P-192 values is set to zero,
3192 * then just disable OOB data for P-192.
3193 */
3194 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
3195 !memcmp(cp->hash192, ZERO_KEY, 16)) {
3196 rand192 = NULL;
3197 hash192 = NULL;
3198 } else {
3199 rand192 = cp->rand192;
3200 hash192 = cp->hash192;
3201 }
3202 }
3203
3204 /* In case one of the P-256 values is set to zero, then just
3205 * disable OOB data for P-256.
3206 */
3207 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
3208 !memcmp(cp->hash256, ZERO_KEY, 16)) {
3209 rand256 = NULL;
3210 hash256 = NULL;
3211 } else {
3212 rand256 = cp->rand256;
3213 hash256 = cp->hash256;
86df9200
JH		 3214 }
3215
81328d5c 3216 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200 3217 cp->addr.type, hash192, rand192,
41bcfd50 3218 hash256, rand256);
ec109113
MH		 3219 if (err < 0)
3220 status = MGMT_STATUS_FAILED;
3221 else
3222 status = MGMT_STATUS_SUCCESS;
3223
2a1afb5a
JH		 3224 err = mgmt_cmd_complete(sk, hdev->id,
3225 MGMT_OP_ADD_REMOTE_OOB_DATA,
3226 status, &cp->addr, sizeof(cp->addr));
ec109113
MH		 3227 } else {
3228 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
a69e8375
JH		 3229 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3230 MGMT_STATUS_INVALID_PARAMS);
ec109113 3231 }
2763eda6 3232
c19a495c 3233unlock:
09fd0de5 3234 hci_dev_unlock(hdev);
2763eda6
SJ		 3235 return err;
3236}
3237
bdb6d971 3238static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3239 void *data, u16 len)
2763eda6 3240{
650f726d 3241 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3242 u8 status;
2763eda6
SJ		 3243 int err;
3244
bdb6d971 3245 BT_DBG("%s", hdev->name);
2763eda6 3246
c19a495c 3247 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 3248 return mgmt_cmd_complete(sk, hdev->id,
3249 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3250 MGMT_STATUS_INVALID_PARAMS,
3251 &cp->addr, sizeof(cp->addr));
c19a495c 3252
09fd0de5 3253 hci_dev_lock(hdev);
2763eda6 3254
eedbd581
JH		 3255 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
3256 hci_remote_oob_data_clear(hdev);
3257 status = MGMT_STATUS_SUCCESS;
3258 goto done;
3259 }
3260
6928a924 3261 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 3262 if (err < 0)
bf1e3541 3263 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3264 else
a6785be2 3265 status = MGMT_STATUS_SUCCESS;
bf1e3541 3266
eedbd581 3267done:
2a1afb5a
JH		 3268 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3269 status, &cp->addr, sizeof(cp->addr));
2763eda6 3270
09fd0de5 3271 hci_dev_unlock(hdev);
2763eda6
SJ		 3272 return err;
3273}
3274
e68f072b 3275void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status)
7c307720 3276{
3b0602cd 3277 struct mgmt_pending_cmd *cmd;
ae55f598 3278
7c307720
AG		 3279 BT_DBG("status %d", status);
3280
11e6e25d 3281 hci_dev_lock(hdev);
41dc2bd6 3282
333ae95d 3283 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
66ea9427 3284 if (!cmd)
333ae95d 3285 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
66ea9427 3286
78b781ca
JH		 3287 if (!cmd)
3288 cmd = pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev);
3289
11e6e25d 3290 if (cmd) {
2922a94f 3291 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d
MH		 3292 mgmt_pending_remove(cmd);
3293 }
7c307720 3294
11e6e25d 3295 hci_dev_unlock(hdev);
7c307720
AG		 3296}
3297
591752af
JH		 3298static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
3299 uint8_t *mgmt_status)
3300{
3301 switch (type) {
3302 case DISCOV_TYPE_LE:
3303 *mgmt_status = mgmt_le_support(hdev);
3304 if (*mgmt_status)
3305 return false;
3306 break;
3307 case DISCOV_TYPE_INTERLEAVED:
3308 *mgmt_status = mgmt_le_support(hdev);
3309 if (*mgmt_status)
3310 return false;
3311 /* Intentional fall-through */
3312 case DISCOV_TYPE_BREDR:
3313 *mgmt_status = mgmt_bredr_support(hdev);
3314 if (*mgmt_status)
3315 return false;
3316 break;
3317 default:
3318 *mgmt_status = MGMT_STATUS_INVALID_PARAMS;
3319 return false;
3320 }
3321
3322 return true;
3323}
3324
78b781ca
JH		 3325static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
3326 u16 op, void *data, u16 len)
14a53664 3327{
650f726d 3328 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 3329 struct mgmt_pending_cmd *cmd;
8019044d 3330 u8 status;
14a53664
JH		 3331 int err;
3332
bdb6d971 3333 BT_DBG("%s", hdev->name);
14a53664 3334
09fd0de5 3335 hci_dev_lock(hdev);
14a53664 3336
4b34ee78 3337 if (!hdev_is_powered(hdev)) {
78b781ca 3338 err = mgmt_cmd_complete(sk, hdev->id, op,
2a1afb5a
JH		 3339 MGMT_STATUS_NOT_POWERED,
3340 &cp->type, sizeof(cp->type));
bd2d1334
JH		 3341 goto failed;
3342 }
3343
f5a969f2 3344 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 3345 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
78b781ca
JH		 3346 err = mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_BUSY,
3347 &cp->type, sizeof(cp->type));
642be6c7
AG		 3348 goto failed;
3349 }
3350
591752af 3351 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
78b781ca
JH		 3352 err = mgmt_cmd_complete(sk, hdev->id, op, status,
3353 &cp->type, sizeof(cp->type));
591752af
JH		 3354 goto failed;
3355 }
3356
22078800
MH		 3357 /* Clear the discovery filter first to free any previously
3358 * allocated memory for the UUID list.
3359 */
3360 hci_discovery_filter_clear(hdev);
3361
4aab14e5 3362 hdev->discovery.type = cp->type;
da25cf6a 3363 hdev->discovery.report_invalid_rssi = false;
78b781ca
JH		 3364 if (op == MGMT_OP_START_LIMITED_DISCOVERY)
3365 hdev->discovery.limited = true;
3366 else
3367 hdev->discovery.limited = false;
4aab14e5 3368
78b781ca 3369 cmd = mgmt_pending_add(sk, op, hdev, data, len);
e68f072b
JH		 3370 if (!cmd) {
3371 err = -ENOMEM;
04106755 3372 goto failed;
f39799f5 3373 }
04106755 3374
e68f072b 3375 cmd->cmd_complete = generic_cmd_complete;
7c307720 3376
f5a969f2 3377 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
e68f072b
JH		 3378 queue_work(hdev->req_workqueue, &hdev->discov_update);
3379 err = 0;
7c307720 3380
14a53664 3381failed:
09fd0de5 3382 hci_dev_unlock(hdev);
14a53664
JH		 3383 return err;
3384}
f39799f5 3385
78b781ca
JH		 3386static int start_discovery(struct sock *sk, struct hci_dev *hdev,
3387 void *data, u16 len)
3388{
3389 return start_discovery_internal(sk, hdev, MGMT_OP_START_DISCOVERY,
3390 data, len);
3391}
3392
3393static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev,
3394 void *data, u16 len)
3395{
3396 return start_discovery_internal(sk, hdev,
3397 MGMT_OP_START_LIMITED_DISCOVERY,
3398 data, len);
3399}
3400
3b0602cd
JH		 3401static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
3402 u8 status)
2922a94f 3403{
2a1afb5a
JH		 3404 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
3405 cmd->param, 1);
2922a94f 3406}
04106755 3407
66ea9427
JP		 3408static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
3409 void *data, u16 len)
3410{
3411 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 3412 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 3413 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
3414 u16 uuid_count, expected_len;
3415 u8 status;
3416 int err;
04106755 3417
66ea9427 3418 BT_DBG("%s", hdev->name);
e8bb6b97 3419
66ea9427 3420 hci_dev_lock(hdev);
7c307720 3421
66ea9427 3422 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3423 err = mgmt_cmd_complete(sk, hdev->id,
3424 MGMT_OP_START_SERVICE_DISCOVERY,
3425 MGMT_STATUS_NOT_POWERED,
3426 &cp->type, sizeof(cp->type));
66ea9427
JP		 3427 goto failed;
3428 }
7c307720 3429
66ea9427 3430 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 3431 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 3432 err = mgmt_cmd_complete(sk, hdev->id,
3433 MGMT_OP_START_SERVICE_DISCOVERY,
3434 MGMT_STATUS_BUSY, &cp->type,
3435 sizeof(cp->type));
66ea9427
JP		 3436 goto failed;
3437 }
d9483943 3438
66ea9427
JP		 3439 uuid_count = __le16_to_cpu(cp->uuid_count);
3440 if (uuid_count > max_uuid_count) {
3441 BT_ERR("service_discovery: too big uuid_count value %u",
3442 uuid_count);
2a1afb5a
JH		 3443 err = mgmt_cmd_complete(sk, hdev->id,
3444 MGMT_OP_START_SERVICE_DISCOVERY,
3445 MGMT_STATUS_INVALID_PARAMS, &cp->type,
3446 sizeof(cp->type));
66ea9427
JP		 3447 goto failed;
3448 }
3449
3450 expected_len = sizeof(*cp) + uuid_count * 16;
3451 if (expected_len != len) {
3452 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
3453 expected_len, len);
2a1afb5a
JH		 3454 err = mgmt_cmd_complete(sk, hdev->id,
3455 MGMT_OP_START_SERVICE_DISCOVERY,
3456 MGMT_STATUS_INVALID_PARAMS, &cp->type,
3457 sizeof(cp->type));
66ea9427
JP		 3458 goto failed;
3459 }
3460
591752af
JH		 3461 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
3462 err = mgmt_cmd_complete(sk, hdev->id,
3463 MGMT_OP_START_SERVICE_DISCOVERY,
3464 status, &cp->type, sizeof(cp->type));
3465 goto failed;
3466 }
3467
66ea9427 3468 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 3469 hdev, data, len);
66ea9427
JP		 3470 if (!cmd) {
3471 err = -ENOMEM;
3472 goto failed;
3473 }
3474
2922a94f
JH		 3475 cmd->cmd_complete = service_discovery_cmd_complete;
3476
22078800
MH		 3477 /* Clear the discovery filter first to free any previously
3478 * allocated memory for the UUID list.
3479 */
3480 hci_discovery_filter_clear(hdev);
3481
82f8b651 3482 hdev->discovery.result_filtering = true;
66ea9427
JP		 3483 hdev->discovery.type = cp->type;
3484 hdev->discovery.rssi = cp->rssi;
3485 hdev->discovery.uuid_count = uuid_count;
3486
3487 if (uuid_count > 0) {
3488 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
3489 GFP_KERNEL);
3490 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 3491 err = mgmt_cmd_complete(sk, hdev->id,
3492 MGMT_OP_START_SERVICE_DISCOVERY,
3493 MGMT_STATUS_FAILED,
3494 &cp->type, sizeof(cp->type));
d9483943
JH		 3495 mgmt_pending_remove(cmd);
3496 goto failed;
3497 }
66ea9427 3498 }
d9483943 3499
66ea9427 3500 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
e68f072b
JH		 3501 queue_work(hdev->req_workqueue, &hdev->discov_update);
3502 err = 0;
14a53664
JH		 3503
3504failed:
09fd0de5 3505 hci_dev_unlock(hdev);
14a53664
JH		 3506 return err;
3507}
3508
2154d3f4 3509void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status)
1183fdca 3510{
3b0602cd 3511 struct mgmt_pending_cmd *cmd;
1183fdca 3512
0e05bba6
AG		 3513 BT_DBG("status %d", status);
3514
3515 hci_dev_lock(hdev);
3516
333ae95d 3517 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 3518 if (cmd) {
2922a94f 3519 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 3520 mgmt_pending_remove(cmd);
0e05bba6
AG		 3521 }
3522
0e05bba6
AG		 3523 hci_dev_unlock(hdev);
3524}
3525
bdb6d971 3526static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3527 u16 len)
14a53664 3528{
d930650b 3529 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 3530 struct mgmt_pending_cmd *cmd;
14a53664
JH		 3531 int err;
3532
bdb6d971 3533 BT_DBG("%s", hdev->name);
14a53664 3534
09fd0de5 3535 hci_dev_lock(hdev);
14a53664 3536
30dc78e1 3537 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 3538 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
3539 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3540 sizeof(mgmt_cp->type));
d930650b
JH		 3541 goto unlock;
3542 }
3543
3544 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 3545 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
3546 MGMT_STATUS_INVALID_PARAMS,
3547 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 3548 goto unlock;
ff9ef578
JH		 3549 }
3550
2922a94f 3551 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 3552 if (!cmd) {
3553 err = -ENOMEM;
30dc78e1
JH		 3554 goto unlock;
3555 }
3556
2922a94f
JH		 3557 cmd->cmd_complete = generic_cmd_complete;
3558
2154d3f4
JH		 3559 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
3560 queue_work(hdev->req_workqueue, &hdev->discov_update);
3561 err = 0;
14a53664 3562
30dc78e1 3563unlock:
09fd0de5 3564 hci_dev_unlock(hdev);
14a53664
JH		 3565 return err;
3566}
3567
bdb6d971 3568static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3569 u16 len)
561aafbc 3570{
650f726d 3571 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3572 struct inquiry_entry *e;
561aafbc
JH		 3573 int err;
3574
bdb6d971 3575 BT_DBG("%s", hdev->name);
561aafbc 3576
561aafbc
JH		 3577 hci_dev_lock(hdev);
3578
30dc78e1 3579 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 3580 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3581 MGMT_STATUS_FAILED, &cp->addr,
3582 sizeof(cp->addr));
30dc78e1
JH		 3583 goto failed;
3584 }
3585
a198e7b1 3586 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 3587 if (!e) {
2a1afb5a
JH		 3588 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3589 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3590 sizeof(cp->addr));
561aafbc
JH		 3591 goto failed;
3592 }
3593
3594 if (cp->name_known) {
3595 e->name_state = NAME_KNOWN;
3596 list_del(&e->list);
3597 } else {
3598 e->name_state = NAME_NEEDED;
a3d4e20a 3599 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 3600 }
3601
2a1afb5a
JH		 3602 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
3603 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 3604
3605failed:
3606 hci_dev_unlock(hdev);
561aafbc
JH		 3607 return err;
3608}
3609
bdb6d971 3610static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3611 u16 len)
7fbec224 3612{
650f726d 3613 struct mgmt_cp_block_device *cp = data;
f0eeea8b 3614 u8 status;
7fbec224
AJ		 3615 int err;
3616
bdb6d971 3617 BT_DBG("%s", hdev->name);
7fbec224 3618
4ee71b20 3619 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3620 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
3621 MGMT_STATUS_INVALID_PARAMS,
3622 &cp->addr, sizeof(cp->addr));
4ee71b20 3623
09fd0de5 3624 hci_dev_lock(hdev);
5e762444 3625
dcc36c16
JH		 3626 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
3627 cp->addr.type);
2a8357f2 3628 if (err < 0) {
f0eeea8b 3629 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 3630 goto done;
3631 }
3632
3633 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3634 sk);
3635 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3636
2a8357f2 3637done:
2a1afb5a
JH		 3638 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
3639 &cp->addr, sizeof(cp->addr));
5e762444 3640
09fd0de5 3641 hci_dev_unlock(hdev);
7fbec224
AJ		 3642
3643 return err;
3644}
3645
bdb6d971 3646static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3647 u16 len)
7fbec224 3648{
650f726d 3649 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 3650 u8 status;
7fbec224
AJ		 3651 int err;
3652
bdb6d971 3653 BT_DBG("%s", hdev->name);
7fbec224 3654
4ee71b20 3655 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3656 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
3657 MGMT_STATUS_INVALID_PARAMS,
3658 &cp->addr, sizeof(cp->addr));
4ee71b20 3659
09fd0de5 3660 hci_dev_lock(hdev);
5e762444 3661
dcc36c16
JH		 3662 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
3663 cp->addr.type);
2a8357f2 3664 if (err < 0) {
f0eeea8b 3665 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 3666 goto done;
3667 }
3668
3669 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3670 sk);
3671 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3672
2a8357f2 3673done:
2a1afb5a
JH		 3674 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
3675 &cp->addr, sizeof(cp->addr));
5e762444 3676
09fd0de5 3677 hci_dev_unlock(hdev);
7fbec224
AJ		 3678
3679 return err;
3680}
3681
cdbaccca
MH		 3682static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
3683 u16 len)
3684{
3685 struct mgmt_cp_set_device_id *cp = data;
890ea898 3686 struct hci_request req;
cdbaccca 3687 int err;
c72d4b8a 3688 __u16 source;
cdbaccca
MH		 3689
3690 BT_DBG("%s", hdev->name);
3691
c72d4b8a
SJ		 3692 source = __le16_to_cpu(cp->source);
3693
3694 if (source > 0x0002)
a69e8375
JH		 3695 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
3696 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 3697
cdbaccca
MH		 3698 hci_dev_lock(hdev);
3699
c72d4b8a 3700 hdev->devid_source = source;
cdbaccca
MH		 3701 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
3702 hdev->devid_product = __le16_to_cpu(cp->product);
3703 hdev->devid_version = __le16_to_cpu(cp->version);
3704
2a1afb5a
JH		 3705 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
3706 NULL, 0);
cdbaccca 3707
890ea898 3708 hci_req_init(&req, hdev);
b1a8917c 3709 __hci_req_update_eir(&req);
890ea898 3710 hci_req_run(&req, NULL);
cdbaccca
MH		 3711
3712 hci_dev_unlock(hdev);
3713
3714 return err;
3715}
3716
24b4f38f
AU		 3717static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
3718 u16 opcode)
3719{
3720 BT_DBG("status %d", status);
3721}
3722
1904a853
MH		 3723static void set_advertising_complete(struct hci_dev *hdev, u8 status,
3724 u16 opcode)
4375f103
JH		 3725{
3726 struct cmd_lookup match = { NULL, hdev };
24b4f38f 3727 struct hci_request req;
7816b820
FG		 3728 u8 instance;
3729 struct adv_info *adv_instance;
3730 int err;
4375f103 3731
3ad67582
JK		 3732 hci_dev_lock(hdev);
3733
4375f103
JH		 3734 if (status) {
3735 u8 mgmt_err = mgmt_status(status);
3736
3737 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
3738 cmd_status_rsp, &mgmt_err);
3ad67582 3739 goto unlock;
4375f103
JH		 3740 }
3741
d7a5a11d 3742 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 3743 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 3744 else
a358dc11 3745 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 3746
4375f103
JH		 3747 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
3748 &match);
3749
3750 new_settings(hdev, match.sk);
3751
3752 if (match.sk)
3753 sock_put(match.sk);
3ad67582 3754
24b4f38f 3755 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 3756 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 3757 */
3758 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820 3759 list_empty(&hdev->adv_instances))
24b4f38f
AU		 3760 goto unlock;
3761
7816b820
FG		 3762 instance = hdev->cur_adv_instance;
3763 if (!instance) {
3764 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
3765 struct adv_info, list);
3766 if (!adv_instance)
3767 goto unlock;
3768
3769 instance = adv_instance->instance;
3770 }
3771
24b4f38f
AU		 3772 hci_req_init(&req, hdev);
3773
f2252570 3774 err = __hci_req_schedule_adv_instance(&req, instance, true);
7816b820
FG		 3775
3776 if (!err)
3777 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 3778
7816b820 3779 if (err)
24b4f38f
AU		 3780 BT_ERR("Failed to re-configure advertising");
3781
3ad67582
JK		 3782unlock:
3783 hci_dev_unlock(hdev);
4375f103
JH		 3784}
3785
21b5187f
MH		 3786static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
3787 u16 len)
4375f103
JH		 3788{
3789 struct mgmt_mode *cp = data;
3b0602cd 3790 struct mgmt_pending_cmd *cmd;
4375f103 3791 struct hci_request req;
cc91cb04 3792 u8 val, status;
4375f103
JH		 3793 int err;
3794
3795 BT_DBG("request for %s", hdev->name);
3796
e6fe7986
JH		 3797 status = mgmt_le_support(hdev);
3798 if (status)
a69e8375
JH		 3799 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3800 status);
4375f103 3801
cc91cb04 3802 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 3803 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3804 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 3805
3806 hci_dev_lock(hdev);
3807
3808 val = !!cp->val;
4375f103 3809
f74ca9b8
JH		 3810 /* The following conditions are ones which mean that we should
3811 * not do any HCI communication but directly send a mgmt
3812 * response to user space (after toggling the flag if
3813 * necessary).
3814 */
cc91cb04 3815 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 3816 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
3817 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 3818 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 3819 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 3820 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 3821 bool changed;
4375f103 3822
cc91cb04 3823 if (cp->val) {
cab054ab 3824 hdev->cur_adv_instance = 0x00;
238be788 3825 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 3826 if (cp->val == 0x02)
a1536da2 3827 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3828 else
a358dc11 3829 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3830 } else {
a69d8927 3831 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 3832 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 3833 }
3834
3835 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
3836 if (err < 0)
3837 goto unlock;
3838
3839 if (changed)
3840 err = new_settings(hdev, sk);
3841
3842 goto unlock;
3843 }
3844
333ae95d
JH		 3845 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
3846 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 3847 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3848 MGMT_STATUS_BUSY);
4375f103
JH		 3849 goto unlock;
3850 }
3851
3852 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
3853 if (!cmd) {
3854 err = -ENOMEM;
3855 goto unlock;
3856 }
3857
3858 hci_req_init(&req, hdev);
3859
cc91cb04 3860 if (cp->val == 0x02)
a1536da2 3861 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3862 else
a358dc11 3863 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3864
7816b820
FG		 3865 cancel_adv_timeout(hdev);
3866
24b4f38f 3867 if (val) {
7816b820
FG		 3868 /* Switch to instance "0" for the Set Advertising setting.
3869 * We cannot use update_[adv|scan_rsp]_data() here as the
3870 * HCI_ADVERTISING flag is not yet set.
3871 */
cab054ab 3872 hdev->cur_adv_instance = 0x00;
f2252570
JH		 3873 __hci_req_update_adv_data(&req, 0x00);
3874 __hci_req_update_scan_rsp_data(&req, 0x00);
3875 __hci_req_enable_advertising(&req);
24b4f38f 3876 } else {
f2252570 3877 __hci_req_disable_advertising(&req);
24b4f38f 3878 }
4375f103
JH		 3879
3880 err = hci_req_run(&req, set_advertising_complete);
3881 if (err < 0)
3882 mgmt_pending_remove(cmd);
3883
3884unlock:
3885 hci_dev_unlock(hdev);
3886 return err;
3887}
3888
d13eafce
MH		 3889static int set_static_address(struct sock *sk, struct hci_dev *hdev,
3890 void *data, u16 len)
3891{
3892 struct mgmt_cp_set_static_address *cp = data;
3893 int err;
3894
3895 BT_DBG("%s", hdev->name);
3896
62af4443 3897 if (!lmp_le_capable(hdev))
a69e8375
JH		 3898 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
3899 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 3900
3901 if (hdev_is_powered(hdev))
a69e8375
JH		 3902 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
3903 MGMT_STATUS_REJECTED);
d13eafce
MH		 3904
3905 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
3906 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 3907 return mgmt_cmd_status(sk, hdev->id,
3908 MGMT_OP_SET_STATIC_ADDRESS,
3909 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 3910
3911 /* Two most significant bits shall be set */
3912 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 3913 return mgmt_cmd_status(sk, hdev->id,
3914 MGMT_OP_SET_STATIC_ADDRESS,
3915 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 3916 }
3917
3918 hci_dev_lock(hdev);
3919
3920 bacpy(&hdev->static_addr, &cp->bdaddr);
3921
93690c22
MH		 3922 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
3923 if (err < 0)
3924 goto unlock;
3925
3926 err = new_settings(hdev, sk);
d13eafce 3927
93690c22 3928unlock:
d13eafce 3929 hci_dev_unlock(hdev);
d13eafce
MH		 3930 return err;
3931}
3932
14b49b9a
MH		 3933static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
3934 void *data, u16 len)
3935{
3936 struct mgmt_cp_set_scan_params *cp = data;
3937 __u16 interval, window;
3938 int err;
3939
3940 BT_DBG("%s", hdev->name);
3941
3942 if (!lmp_le_capable(hdev))
a69e8375
JH		 3943 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3944 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 3945
3946 interval = __le16_to_cpu(cp->interval);
3947
3948 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 3949 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3950 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 3951
3952 window = __le16_to_cpu(cp->window);
3953
3954 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 3955 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3956 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 3957
899e1075 3958 if (window > interval)
a69e8375
JH		 3959 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3960 MGMT_STATUS_INVALID_PARAMS);
899e1075 3961
14b49b9a
MH		 3962 hci_dev_lock(hdev);
3963
3964 hdev->le_scan_interval = interval;
3965 hdev->le_scan_window = window;
3966
2a1afb5a
JH		 3967 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
3968 NULL, 0);
14b49b9a 3969
dd2ef8e2
AG		 3970 /* If background scan is running, restart it so new parameters are
3971 * loaded.
3972 */
d7a5a11d 3973 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 3974 hdev->discovery.state == DISCOVERY_STOPPED) {
3975 struct hci_request req;
3976
3977 hci_req_init(&req, hdev);
3978
3979 hci_req_add_le_scan_disable(&req);
3980 hci_req_add_le_passive_scan(&req);
3981
3982 hci_req_run(&req, NULL);
3983 }
3984
14b49b9a
MH		 3985 hci_dev_unlock(hdev);
3986
3987 return err;
3988}
3989
1904a853
MH		 3990static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
3991 u16 opcode)
33e38b3e 3992{
3b0602cd 3993 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 3994
3995 BT_DBG("status 0x%02x", status);
3996
3997 hci_dev_lock(hdev);
3998
333ae95d 3999 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 4000 if (!cmd)
4001 goto unlock;
4002
4003 if (status) {
a69e8375
JH		 4004 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4005 mgmt_status(status));
33e38b3e 4006 } else {
1a4d3c4b
JH		 4007 struct mgmt_mode *cp = cmd->param;
4008
4009 if (cp->val)
a1536da2 4010 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 4011 else
a358dc11 4012 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 4013
33e38b3e
JH		 4014 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4015 new_settings(hdev, cmd->sk);
4016 }
4017
4018 mgmt_pending_remove(cmd);
4019
4020unlock:
4021 hci_dev_unlock(hdev);
4022}
4023
bdb6d971 4024static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4025 void *data, u16 len)
f6422ec6 4026{
650f726d 4027 struct mgmt_mode *cp = data;
3b0602cd 4028 struct mgmt_pending_cmd *cmd;
33e38b3e 4029 struct hci_request req;
f6422ec6
AJ		 4030 int err;
4031
bdb6d971 4032 BT_DBG("%s", hdev->name);
f6422ec6 4033
d7a5a11d 4034 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 4035 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 4036 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4037 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 4038
a7e80f25 4039 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 4040 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4041 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 4042
f6422ec6
AJ		 4043 hci_dev_lock(hdev);
4044
333ae95d 4045 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 4046 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4047 MGMT_STATUS_BUSY);
05cbf29f
JH		 4048 goto unlock;
4049 }
4050
d7a5a11d 4051 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 4052 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4053 hdev);
4054 goto unlock;
4055 }
4056
406ef2a6 4057 if (!hdev_is_powered(hdev)) {
ce05d603 4058 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 4059 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4060 hdev);
4061 new_settings(hdev, sk);
4062 goto unlock;
4063 }
4064
33e38b3e
JH		 4065 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4066 data, len);
4067 if (!cmd) {
4068 err = -ENOMEM;
4069 goto unlock;
f6422ec6
AJ		 4070 }
4071
33e38b3e
JH		 4072 hci_req_init(&req, hdev);
4073
bf943cbf 4074 __hci_req_write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4075
4076 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4077 if (err < 0) {
a69e8375
JH		 4078 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4079 MGMT_STATUS_FAILED);
33e38b3e 4080 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4081 }
4082
33e38b3e 4083unlock:
f6422ec6 4084 hci_dev_unlock(hdev);
33e38b3e 4085
f6422ec6
AJ		 4086 return err;
4087}
4088
1904a853 4089static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 4090{
3b0602cd 4091 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 4092
4093 BT_DBG("status 0x%02x", status);
4094
4095 hci_dev_lock(hdev);
4096
333ae95d 4097 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 4098 if (!cmd)
4099 goto unlock;
4100
4101 if (status) {
4102 u8 mgmt_err = mgmt_status(status);
4103
4104 /* We need to restore the flag if related HCI commands
4105 * failed.
4106 */
a358dc11 4107 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 4108
a69e8375 4109 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 4110 } else {
4111 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4112 new_settings(hdev, cmd->sk);
4113 }
4114
4115 mgmt_pending_remove(cmd);
4116
4117unlock:
4118 hci_dev_unlock(hdev);
4119}
4120
4121static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4122{
4123 struct mgmt_mode *cp = data;
3b0602cd 4124 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 4125 struct hci_request req;
4126 int err;
4127
4128 BT_DBG("request for %s", hdev->name);
4129
4130 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 4131 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4132 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 4133
d7a5a11d 4134 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 4135 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4136 MGMT_STATUS_REJECTED);
0663ca2a
JH		 4137
4138 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 4139 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4140 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 4141
4142 hci_dev_lock(hdev);
4143
d7a5a11d 4144 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 4145 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4146 goto unlock;
4147 }
4148
4149 if (!hdev_is_powered(hdev)) {
4150 if (!cp->val) {
a358dc11
MH		 4151 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
4152 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
4153 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
4154 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
4155 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 4156 }
4157
ce05d603 4158 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 4159
4160 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4161 if (err < 0)
4162 goto unlock;
4163
4164 err = new_settings(hdev, sk);
4165 goto unlock;
4166 }
4167
4168 /* Reject disabling when powered on */
4169 if (!cp->val) {
a69e8375
JH		 4170 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4171 MGMT_STATUS_REJECTED);
0663ca2a 4172 goto unlock;
111e4bcc
MH		 4173 } else {
4174 /* When configuring a dual-mode controller to operate
4175 * with LE only and using a static address, then switching
4176 * BR/EDR back on is not allowed.
4177 *
4178 * Dual-mode controllers shall operate with the public
4179 * address as its identity address for BR/EDR and LE. So
4180 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 4181 *
4182 * The same restrictions applies when secure connections
4183 * has been enabled. For BR/EDR this is a controller feature
4184 * while for LE it is a host stack feature. This means that
4185 * switching BR/EDR back on when secure connections has been
4186 * enabled is not a supported transaction.
111e4bcc 4187 */
d7a5a11d 4188 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 4189 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 4190 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 4191 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4192 MGMT_STATUS_REJECTED);
111e4bcc
MH		 4193 goto unlock;
4194 }
0663ca2a
JH		 4195 }
4196
333ae95d 4197 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 4198 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4199 MGMT_STATUS_BUSY);
0663ca2a
JH		 4200 goto unlock;
4201 }
4202
4203 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4204 if (!cmd) {
4205 err = -ENOMEM;
4206 goto unlock;
4207 }
4208
f2252570
JH		 4209 /* We need to flip the bit already here so that
4210 * hci_req_update_adv_data generates the correct flags.
0663ca2a 4211 */
a1536da2 4212 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 4213
4214 hci_req_init(&req, hdev);
aa8af46e 4215
bf943cbf 4216 __hci_req_write_fast_connectable(&req, false);
01b1cb87 4217 __hci_req_update_scan(&req);
aa8af46e 4218
f14d8f64
MH		 4219 /* Since only the advertising data flags will change, there
4220 * is no need to update the scan response data.
4221 */
cab054ab 4222 __hci_req_update_adv_data(&req, hdev->cur_adv_instance);
aa8af46e 4223
0663ca2a
JH		 4224 err = hci_req_run(&req, set_bredr_complete);
4225 if (err < 0)
4226 mgmt_pending_remove(cmd);
4227
4228unlock:
4229 hci_dev_unlock(hdev);
4230 return err;
4231}
4232
a1443f5a
JH		 4233static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
4234{
3b0602cd 4235 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 4236 struct mgmt_mode *cp;
4237
4238 BT_DBG("%s status %u", hdev->name, status);
4239
4240 hci_dev_lock(hdev);
4241
333ae95d 4242 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 4243 if (!cmd)
4244 goto unlock;
4245
4246 if (status) {
a69e8375
JH		 4247 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
4248 mgmt_status(status));
a1443f5a
JH		 4249 goto remove;
4250 }
4251
4252 cp = cmd->param;
4253
4254 switch (cp->val) {
4255 case 0x00:
a358dc11
MH		 4256 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
4257 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4258 break;
4259 case 0x01:
a1536da2 4260 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 4261 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4262 break;
4263 case 0x02:
a1536da2
MH		 4264 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
4265 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4266 break;
4267 }
4268
4269 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
4270 new_settings(hdev, cmd->sk);
4271
4272remove:
4273 mgmt_pending_remove(cmd);
4274unlock:
4275 hci_dev_unlock(hdev);
4276}
4277
eac83dc6
MH		 4278static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4279 void *data, u16 len)
4280{
4281 struct mgmt_mode *cp = data;
3b0602cd 4282 struct mgmt_pending_cmd *cmd;
a1443f5a 4283 struct hci_request req;
a3209694 4284 u8 val;
eac83dc6
MH		 4285 int err;
4286
4287 BT_DBG("request for %s", hdev->name);
4288
05b3c3e7 4289 if (!lmp_sc_capable(hdev) &&
d7a5a11d 4290 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 4291 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4292 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 4293
d7a5a11d 4294 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 4295 lmp_sc_capable(hdev) &&
d7a5a11d 4296 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 4297 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4298 MGMT_STATUS_REJECTED);
ed93ec69 4299
0ab04a9c 4300 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 4301 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 4302 MGMT_STATUS_INVALID_PARAMS);
4303
4304 hci_dev_lock(hdev);
4305
05b3c3e7 4306 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 4307 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 4308 bool changed;
4309
0ab04a9c 4310 if (cp->val) {
238be788
MH		 4311 changed = !hci_dev_test_and_set_flag(hdev,
4312 HCI_SC_ENABLED);
0ab04a9c 4313 if (cp->val == 0x02)
a1536da2 4314 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4315 else
a358dc11 4316 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4317 } else {
a69d8927
MH		 4318 changed = hci_dev_test_and_clear_flag(hdev,
4319 HCI_SC_ENABLED);
a358dc11 4320 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4321 }
eac83dc6
MH		 4322
4323 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4324 if (err < 0)
4325 goto failed;
4326
4327 if (changed)
4328 err = new_settings(hdev, sk);
4329
4330 goto failed;
4331 }
4332
333ae95d 4333 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 4334 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4335 MGMT_STATUS_BUSY);
eac83dc6
MH		 4336 goto failed;
4337 }
4338
0ab04a9c
MH		 4339 val = !!cp->val;
4340
d7a5a11d
MH		 4341 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
4342 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 4343 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4344 goto failed;
4345 }
4346
4347 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4348 if (!cmd) {
4349 err = -ENOMEM;
4350 goto failed;
4351 }
4352
a1443f5a
JH		 4353 hci_req_init(&req, hdev);
4354 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
4355 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 4356 if (err < 0) {
4357 mgmt_pending_remove(cmd);
4358 goto failed;
4359 }
4360
4361failed:
4362 hci_dev_unlock(hdev);
4363 return err;
4364}
4365
4e39ac81
MH		 4366static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4367 void *data, u16 len)
4368{
4369 struct mgmt_mode *cp = data;
b9710979 4370 bool changed, use_changed;
4e39ac81
MH		 4371 int err;
4372
4373 BT_DBG("request for %s", hdev->name);
4374
b9710979 4375 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4376 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4377 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 4378
4379 hci_dev_lock(hdev);
4380
4381 if (cp->val)
238be788 4382 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 4383 else
a69d8927
MH		 4384 changed = hci_dev_test_and_clear_flag(hdev,
4385 HCI_KEEP_DEBUG_KEYS);
4e39ac81 4386
b9710979 4387 if (cp->val == 0x02)
238be788
MH		 4388 use_changed = !hci_dev_test_and_set_flag(hdev,
4389 HCI_USE_DEBUG_KEYS);
b9710979 4390 else
a69d8927
MH		 4391 use_changed = hci_dev_test_and_clear_flag(hdev,
4392 HCI_USE_DEBUG_KEYS);
b9710979
JH		 4393
4394 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 4395 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 4396 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4397 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4398 sizeof(mode), &mode);
4399 }
4400
4e39ac81
MH		 4401 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4402 if (err < 0)
4403 goto unlock;
4404
4405 if (changed)
4406 err = new_settings(hdev, sk);
4407
4408unlock:
4409 hci_dev_unlock(hdev);
4410 return err;
4411}
4412
62b04cd1
JH		 4413static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4414 u16 len)
4415{
4416 struct mgmt_cp_set_privacy *cp = cp_data;
4417 bool changed;
4418 int err;
4419
4420 BT_DBG("request for %s", hdev->name);
4421
4422 if (!lmp_le_capable(hdev))
a69e8375
JH		 4423 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4424 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1
JH		 4425
4426 if (cp->privacy != 0x00 && cp->privacy != 0x01)
a69e8375
JH		 4427 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4428 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 4429
4430 if (hdev_is_powered(hdev))
a69e8375
JH		 4431 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4432 MGMT_STATUS_REJECTED);
62b04cd1
JH		 4433
4434 hci_dev_lock(hdev);
4435
c21c0ea0
JH		 4436 /* If user space supports this command it is also expected to
4437 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4438 */
a1536da2 4439 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 4440
62b04cd1 4441 if (cp->privacy) {
238be788 4442 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 4443 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 4444 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1 4445 } else {
a69d8927 4446 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 4447 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 4448 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1
JH		 4449 }
4450
4451 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4452 if (err < 0)
4453 goto unlock;
4454
4455 if (changed)
4456 err = new_settings(hdev, sk);
4457
4458unlock:
4459 hci_dev_unlock(hdev);
4460 return err;
4461}
4462
41edf160
JH		 4463static bool irk_is_valid(struct mgmt_irk_info *irk)
4464{
4465 switch (irk->addr.type) {
4466 case BDADDR_LE_PUBLIC:
4467 return true;
4468
4469 case BDADDR_LE_RANDOM:
4470 /* Two most significant bits shall be set */
4471 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4472 return false;
4473 return true;
4474 }
4475
4476 return false;
4477}
4478
4479static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4480 u16 len)
4481{
4482 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4483 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4484 sizeof(struct mgmt_irk_info));
41edf160
JH		 4485 u16 irk_count, expected_len;
4486 int i, err;
4487
4488 BT_DBG("request for %s", hdev->name);
4489
4490 if (!lmp_le_capable(hdev))
a69e8375
JH		 4491 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4492 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 4493
4494 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4495 if (irk_count > max_irk_count) {
4496 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 4497 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4498 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 4499 }
41edf160
JH		 4500
4501 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4502 if (expected_len != len) {
4503 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4504 expected_len, len);
a69e8375
JH		 4505 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4506 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 4507 }
4508
4509 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4510
4511 for (i = 0; i < irk_count; i++) {
4512 struct mgmt_irk_info *key = &cp->irks[i];
4513
4514 if (!irk_is_valid(key))
a69e8375
JH		 4515 return mgmt_cmd_status(sk, hdev->id,
4516 MGMT_OP_LOAD_IRKS,
4517 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 4518 }
4519
4520 hci_dev_lock(hdev);
4521
4522 hci_smp_irks_clear(hdev);
4523
4524 for (i = 0; i < irk_count; i++) {
4525 struct mgmt_irk_info *irk = &cp->irks[i];
41edf160 4526
85813a7e
JH		 4527 hci_add_irk(hdev, &irk->addr.bdaddr,
4528 le_addr_type(irk->addr.type), irk->val,
41edf160
JH		 4529 BDADDR_ANY);
4530 }
4531
a1536da2 4532 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 4533
2a1afb5a 4534 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 4535
4536 hci_dev_unlock(hdev);
4537
4538 return err;
4539}
4540
3f706b72
JH		 4541static bool ltk_is_valid(struct mgmt_ltk_info *key)
4542{
4543 if (key->master != 0x00 && key->master != 0x01)
4544 return false;
490cb0b3
MH		 4545
4546 switch (key->addr.type) {
4547 case BDADDR_LE_PUBLIC:
4548 return true;
4549
4550 case BDADDR_LE_RANDOM:
4551 /* Two most significant bits shall be set */
4552 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4553 return false;
4554 return true;
4555 }
4556
4557 return false;
3f706b72
JH		 4558}
4559
bdb6d971 4560static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4561 void *cp_data, u16 len)
346af67b 4562{
346af67b 4563 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4564 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4565 sizeof(struct mgmt_ltk_info));
346af67b 4566 u16 key_count, expected_len;
715a5bf2 4567 int i, err;
346af67b 4568
cf99ba13
MH		 4569 BT_DBG("request for %s", hdev->name);
4570
4571 if (!lmp_le_capable(hdev))
a69e8375
JH		 4572 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4573 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 4574
1f350c87 4575 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4576 if (key_count > max_key_count) {
4577 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 4578 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4579 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 4580 }
346af67b
VCG		 4581
4582 expected_len = sizeof(*cp) + key_count *
4583 sizeof(struct mgmt_ltk_info);
4584 if (expected_len != len) {
4585 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4586 expected_len, len);
a69e8375
JH		 4587 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4588 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4589 }
4590
bdb6d971 4591 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4592
54ad6d8a
JH		 4593 for (i = 0; i < key_count; i++) {
4594 struct mgmt_ltk_info *key = &cp->keys[i];
4595
3f706b72 4596 if (!ltk_is_valid(key))
a69e8375
JH		 4597 return mgmt_cmd_status(sk, hdev->id,
4598 MGMT_OP_LOAD_LONG_TERM_KEYS,
4599 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 4600 }
4601
346af67b
VCG		 4602 hci_dev_lock(hdev);
4603
4604 hci_smp_ltks_clear(hdev);
4605
4606 for (i = 0; i < key_count; i++) {
4607 struct mgmt_ltk_info *key = &cp->keys[i];
85813a7e 4608 u8 type, authenticated;
346af67b 4609
61b43357
JH		 4610 switch (key->type) {
4611 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4612 authenticated = 0x00;
23fb8de3 4613 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 4614 break;
4615 case MGMT_LTK_AUTHENTICATED:
d7b25450 4616 authenticated = 0x01;
23fb8de3
JH		 4617 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4618 break;
4619 case MGMT_LTK_P256_UNAUTH:
4620 authenticated = 0x00;
4621 type = SMP_LTK_P256;
61b43357 4622 break;
23fb8de3
JH		 4623 case MGMT_LTK_P256_AUTH:
4624 authenticated = 0x01;
4625 type = SMP_LTK_P256;
61b43357 4626 break;
23fb8de3
JH		 4627 case MGMT_LTK_P256_DEBUG:
4628 authenticated = 0x00;
4629 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 4630 default:
4631 continue;
4632 }
d7b25450 4633
85813a7e
JH		 4634 hci_add_ltk(hdev, &key->addr.bdaddr,
4635 le_addr_type(key->addr.type), type, authenticated,
4636 key->val, key->enc_size, key->ediv, key->rand);
346af67b
VCG		 4637 }
4638
2a1afb5a 4639 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 4640 NULL, 0);
4641
346af67b 4642 hci_dev_unlock(hdev);
346af67b 4643
715a5bf2 4644 return err;
346af67b
VCG		 4645}
4646
3b0602cd 4647static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 4648{
dd983808 4649 struct hci_conn *conn = cmd->user_data;
9981bdb0 4650 struct mgmt_rp_get_conn_info rp;
9df74653 4651 int err;
dd983808 4652
9981bdb0 4653 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 4654
9981bdb0 4655 if (status == MGMT_STATUS_SUCCESS) {
dd983808 4656 rp.rssi = conn->rssi;
9981bdb0
JH		 4657 rp.tx_power = conn->tx_power;
4658 rp.max_tx_power = conn->max_tx_power;
4659 } else {
4660 rp.rssi = HCI_RSSI_INVALID;
4661 rp.tx_power = HCI_TX_POWER_INVALID;
4662 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 4663 }
4664
2a1afb5a
JH		 4665 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4666 status, &rp, sizeof(rp));
dd983808
AK		 4667
4668 hci_conn_drop(conn);
f8aaf9b6 4669 hci_conn_put(conn);
9df74653
JH		 4670
4671 return err;
dd983808
AK		 4672}
4673
1904a853
MH		 4674static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
4675 u16 opcode)
dd983808
AK		 4676{
4677 struct hci_cp_read_rssi *cp;
3b0602cd 4678 struct mgmt_pending_cmd *cmd;
dd983808 4679 struct hci_conn *conn;
dd983808 4680 u16 handle;
9981bdb0 4681 u8 status;
dd983808 4682
9981bdb0 4683 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 4684
4685 hci_dev_lock(hdev);
4686
dd983808
AK		 4687 /* Commands sent in request are either Read RSSI or Read Transmit Power
4688 * Level so we check which one was last sent to retrieve connection
4689 * handle. Both commands have handle as first parameter so it's safe to
4690 * cast data on the same command struct.
4691 *
4692 * First command sent is always Read RSSI and we fail only if it fails.
4693 * In other case we simply override error to indicate success as we
4694 * already remembered if TX power value is actually valid.
4695 */
4696 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4697 if (!cp) {
4698 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 4699 status = MGMT_STATUS_SUCCESS;
4700 } else {
4701 status = mgmt_status(hci_status);
dd983808
AK		 4702 }
4703
4704 if (!cp) {
9981bdb0 4705 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 4706 goto unlock;
4707 }
4708
4709 handle = __le16_to_cpu(cp->handle);
4710 conn = hci_conn_hash_lookup_handle(hdev, handle);
4711 if (!conn) {
9981bdb0 4712 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 4713 goto unlock;
4714 }
4715
333ae95d 4716 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 4717 if (!cmd)
4718 goto unlock;
dd983808 4719
9981bdb0
JH		 4720 cmd->cmd_complete(cmd, status);
4721 mgmt_pending_remove(cmd);
dd983808
AK		 4722
4723unlock:
4724 hci_dev_unlock(hdev);
4725}
4726
4727static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
4728 u16 len)
4729{
4730 struct mgmt_cp_get_conn_info *cp = data;
4731 struct mgmt_rp_get_conn_info rp;
4732 struct hci_conn *conn;
4733 unsigned long conn_info_age;
4734 int err = 0;
4735
4736 BT_DBG("%s", hdev->name);
4737
4738 memset(&rp, 0, sizeof(rp));
4739 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4740 rp.addr.type = cp->addr.type;
4741
4742 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4743 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4744 MGMT_STATUS_INVALID_PARAMS,
4745 &rp, sizeof(rp));
dd983808
AK		 4746
4747 hci_dev_lock(hdev);
4748
4749 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4750 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4751 MGMT_STATUS_NOT_POWERED, &rp,
4752 sizeof(rp));
dd983808
AK		 4753 goto unlock;
4754 }
4755
4756 if (cp->addr.type == BDADDR_BREDR)
4757 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4758 &cp->addr.bdaddr);
4759 else
4760 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
4761
4762 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 4763 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4764 MGMT_STATUS_NOT_CONNECTED, &rp,
4765 sizeof(rp));
dd983808
AK		 4766 goto unlock;
4767 }
4768
333ae95d 4769 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 4770 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4771 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 4772 goto unlock;
4773 }
4774
dd983808
AK		 4775 /* To avoid client trying to guess when to poll again for information we
4776 * calculate conn info age as random value between min/max set in hdev.
4777 */
4778 conn_info_age = hdev->conn_info_min_age +
4779 prandom_u32_max(hdev->conn_info_max_age -
4780 hdev->conn_info_min_age);
4781
4782 /* Query controller to refresh cached values if they are too old or were
4783 * never read.
4784 */
f4e2dd53
AK		 4785 if (time_after(jiffies, conn->conn_info_timestamp +
4786 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 4787 !conn->conn_info_timestamp) {
4788 struct hci_request req;
4789 struct hci_cp_read_tx_power req_txp_cp;
4790 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 4791 struct mgmt_pending_cmd *cmd;
dd983808
AK		 4792
4793 hci_req_init(&req, hdev);
4794 req_rssi_cp.handle = cpu_to_le16(conn->handle);
4795 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
4796 &req_rssi_cp);
4797
f7faab0c
AK		 4798 /* For LE links TX power does not change thus we don't need to
4799 * query for it once value is known.
4800 */
4801 if (!bdaddr_type_is_le(cp->addr.type) ||
4802 conn->tx_power == HCI_TX_POWER_INVALID) {
4803 req_txp_cp.handle = cpu_to_le16(conn->handle);
4804 req_txp_cp.type = 0x00;
4805 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4806 sizeof(req_txp_cp), &req_txp_cp);
4807 }
dd983808 4808
eed5daf3
AK		 4809 /* Max TX power needs to be read only once per connection */
4810 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
4811 req_txp_cp.handle = cpu_to_le16(conn->handle);
4812 req_txp_cp.type = 0x01;
4813 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4814 sizeof(req_txp_cp), &req_txp_cp);
4815 }
4816
dd983808
AK		 4817 err = hci_req_run(&req, conn_info_refresh_complete);
4818 if (err < 0)
4819 goto unlock;
4820
4821 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
4822 data, len);
4823 if (!cmd) {
4824 err = -ENOMEM;
4825 goto unlock;
4826 }
4827
4828 hci_conn_hold(conn);
f8aaf9b6 4829 cmd->user_data = hci_conn_get(conn);
9981bdb0 4830 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 4831
4832 conn->conn_info_timestamp = jiffies;
4833 } else {
4834 /* Cache is valid, just reply with values cached in hci_conn */
4835 rp.rssi = conn->rssi;
4836 rp.tx_power = conn->tx_power;
eed5daf3 4837 rp.max_tx_power = conn->max_tx_power;
dd983808 4838
2a1afb5a
JH		 4839 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4840 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 4841 }
4842
4843unlock:
4844 hci_dev_unlock(hdev);
4845 return err;
4846}
4847
3b0602cd 4848static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 4849{
69487371 4850 struct hci_conn *conn = cmd->user_data;
95868426 4851 struct mgmt_rp_get_clock_info rp;
69487371 4852 struct hci_dev *hdev;
9df74653 4853 int err;
69487371
JH		 4854
4855 memset(&rp, 0, sizeof(rp));
4856 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
4857
4858 if (status)
4859 goto complete;
4860
4861 hdev = hci_dev_get(cmd->index);
4862 if (hdev) {
4863 rp.local_clock = cpu_to_le32(hdev->clock);
4864 hci_dev_put(hdev);
4865 }
4866
4867 if (conn) {
4868 rp.piconet_clock = cpu_to_le32(conn->clock);
4869 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
4870 }
4871
4872complete:
2a1afb5a
JH		 4873 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
4874 sizeof(rp));
69487371
JH		 4875
4876 if (conn) {
4877 hci_conn_drop(conn);
4878 hci_conn_put(conn);
4879 }
9df74653
JH		 4880
4881 return err;
69487371
JH		 4882}
4883
1904a853 4884static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 4885{
95868426 4886 struct hci_cp_read_clock *hci_cp;
3b0602cd 4887 struct mgmt_pending_cmd *cmd;
95868426
JH		 4888 struct hci_conn *conn;
4889
4890 BT_DBG("%s status %u", hdev->name, status);
4891
4892 hci_dev_lock(hdev);
4893
4894 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
4895 if (!hci_cp)
4896 goto unlock;
4897
4898 if (hci_cp->which) {
4899 u16 handle = __le16_to_cpu(hci_cp->handle);
4900 conn = hci_conn_hash_lookup_handle(hdev, handle);
4901 } else {
4902 conn = NULL;
4903 }
4904
333ae95d 4905 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 4906 if (!cmd)
4907 goto unlock;
4908
69487371 4909 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 4910 mgmt_pending_remove(cmd);
95868426
JH		 4911
4912unlock:
4913 hci_dev_unlock(hdev);
4914}
4915
4916static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
4917 u16 len)
4918{
4919 struct mgmt_cp_get_clock_info *cp = data;
4920 struct mgmt_rp_get_clock_info rp;
4921 struct hci_cp_read_clock hci_cp;
3b0602cd 4922 struct mgmt_pending_cmd *cmd;
95868426
JH		 4923 struct hci_request req;
4924 struct hci_conn *conn;
4925 int err;
4926
4927 BT_DBG("%s", hdev->name);
4928
4929 memset(&rp, 0, sizeof(rp));
4930 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4931 rp.addr.type = cp->addr.type;
4932
4933 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 4934 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
4935 MGMT_STATUS_INVALID_PARAMS,
4936 &rp, sizeof(rp));
95868426
JH		 4937
4938 hci_dev_lock(hdev);
4939
4940 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4941 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
4942 MGMT_STATUS_NOT_POWERED, &rp,
4943 sizeof(rp));
95868426
JH		 4944 goto unlock;
4945 }
4946
4947 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4948 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4949 &cp->addr.bdaddr);
4950 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 4951 err = mgmt_cmd_complete(sk, hdev->id,
4952 MGMT_OP_GET_CLOCK_INFO,
4953 MGMT_STATUS_NOT_CONNECTED,
4954 &rp, sizeof(rp));
95868426
JH		 4955 goto unlock;
4956 }
4957 } else {
4958 conn = NULL;
4959 }
4960
4961 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
4962 if (!cmd) {
4963 err = -ENOMEM;
4964 goto unlock;
4965 }
4966
69487371
JH		 4967 cmd->cmd_complete = clock_info_cmd_complete;
4968
95868426
JH		 4969 hci_req_init(&req, hdev);
4970
4971 memset(&hci_cp, 0, sizeof(hci_cp));
4972 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
4973
4974 if (conn) {
4975 hci_conn_hold(conn);
f8aaf9b6 4976 cmd->user_data = hci_conn_get(conn);
95868426
JH		 4977
4978 hci_cp.handle = cpu_to_le16(conn->handle);
4979 hci_cp.which = 0x01; /* Piconet clock */
4980 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
4981 }
4982
4983 err = hci_req_run(&req, get_clock_info_complete);
4984 if (err < 0)
4985 mgmt_pending_remove(cmd);
4986
4987unlock:
4988 hci_dev_unlock(hdev);
4989 return err;
4990}
4991
5a154e6f
JH		 4992static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
4993{
4994 struct hci_conn *conn;
4995
4996 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
4997 if (!conn)
4998 return false;
4999
5000 if (conn->dst_type != type)
5001 return false;
5002
5003 if (conn->state != BT_CONNECTED)
5004 return false;
5005
5006 return true;
5007}
5008
5009/* This function requires the caller holds hdev->lock */
51d7a94d 5010static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
5a154e6f
JH		 5011 u8 addr_type, u8 auto_connect)
5012{
5a154e6f
JH		 5013 struct hci_conn_params *params;
5014
5015 params = hci_conn_params_add(hdev, addr, addr_type);
5016 if (!params)
5017 return -EIO;
5018
5019 if (params->auto_connect == auto_connect)
5020 return 0;
5021
5022 list_del_init(&params->action);
5023
5024 switch (auto_connect) {
5025 case HCI_AUTO_CONN_DISABLED:
5026 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 5027 /* If auto connect is being disabled when we're trying to
5028 * connect to device, keep connecting.
5029 */
5030 if (params->explicit_connect)
5031 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 5032 break;
5033 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 5034 if (params->explicit_connect)
5035 list_add(&params->action, &hdev->pend_le_conns);
5036 else
5037 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 5038 break;
5039 case HCI_AUTO_CONN_DIRECT:
5040 case HCI_AUTO_CONN_ALWAYS:
51d7a94d 5041 if (!is_connected(hdev, addr, addr_type))
5a154e6f 5042 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 5043 break;
5044 }
5045
5046 params->auto_connect = auto_connect;
5047
5048 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
5049 auto_connect);
5050
5051 return 0;
5052}
5053
8afef092
MH		 5054static void device_added(struct sock *sk, struct hci_dev *hdev,
5055 bdaddr_t *bdaddr, u8 type, u8 action)
5056{
5057 struct mgmt_ev_device_added ev;
5058
5059 bacpy(&ev.addr.bdaddr, bdaddr);
5060 ev.addr.type = type;
5061 ev.action = action;
5062
5063 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5064}
5065
2faade53
MH		 5066static int add_device(struct sock *sk, struct hci_dev *hdev,
5067 void *data, u16 len)
5068{
5069 struct mgmt_cp_add_device *cp = data;
5070 u8 auto_conn, addr_type;
5071 int err;
5072
5073 BT_DBG("%s", hdev->name);
5074
6659358e 5075 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 5076 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 5077 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5078 MGMT_STATUS_INVALID_PARAMS,
5079 &cp->addr, sizeof(cp->addr));
2faade53 5080
4b9e7e75 5081 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 5082 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5083 MGMT_STATUS_INVALID_PARAMS,
5084 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5085
5086 hci_dev_lock(hdev);
5087
6659358e 5088 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5089 /* Only incoming connections action is supported for now */
6659358e 5090 if (cp->action != 0x01) {
51d7a94d
JH		 5091 err = mgmt_cmd_complete(sk, hdev->id,
5092 MGMT_OP_ADD_DEVICE,
5093 MGMT_STATUS_INVALID_PARAMS,
5094 &cp->addr, sizeof(cp->addr));
6659358e
JH		 5095 goto unlock;
5096 }
5097
5098 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5099 cp->addr.type);
5100 if (err)
5101 goto unlock;
a397407f 5102
01b1cb87 5103 hci_req_update_scan(hdev);
a397407f 5104
6659358e
JH		 5105 goto added;
5106 }
5107
85813a7e 5108 addr_type = le_addr_type(cp->addr.type);
2faade53 5109
4b9e7e75 5110 if (cp->action == 0x02)
2faade53 5111 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5112 else if (cp->action == 0x01)
5113 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5114 else
a3451d27 5115 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5116
9a0a8a8e
JP		 5117 /* Kernel internally uses conn_params with resolvable private
5118 * address, but Add Device allows only identity addresses.
5119 * Make sure it is enforced before calling
5120 * hci_conn_params_lookup.
5121 */
5122 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 5123 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5124 MGMT_STATUS_INVALID_PARAMS,
5125 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 5126 goto unlock;
5127 }
5128
bf5b3c8b
MH		 5129 /* If the connection parameters don't exist for this device,
5130 * they will be created and configured with defaults.
5131 */
51d7a94d 5132 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
d06b50ce 5133 auto_conn) < 0) {
51d7a94d
JH		 5134 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5135 MGMT_STATUS_FAILED, &cp->addr,
5136 sizeof(cp->addr));
2faade53
MH		 5137 goto unlock;
5138 }
5139
51d7a94d
JH		 5140 hci_update_background_scan(hdev);
5141
6659358e 5142added:
8afef092
MH		 5143 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5144
51d7a94d
JH		 5145 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5146 MGMT_STATUS_SUCCESS, &cp->addr,
5147 sizeof(cp->addr));
2faade53
MH		 5148
5149unlock:
5150 hci_dev_unlock(hdev);
5151 return err;
5152}
5153
8afef092
MH		 5154static void device_removed(struct sock *sk, struct hci_dev *hdev,
5155 bdaddr_t *bdaddr, u8 type)
5156{
5157 struct mgmt_ev_device_removed ev;
5158
5159 bacpy(&ev.addr.bdaddr, bdaddr);
5160 ev.addr.type = type;
5161
5162 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5163}
5164
2faade53
MH		 5165static int remove_device(struct sock *sk, struct hci_dev *hdev,
5166 void *data, u16 len)
5167{
5168 struct mgmt_cp_remove_device *cp = data;
5169 int err;
5170
5171 BT_DBG("%s", hdev->name);
5172
5173 hci_dev_lock(hdev);
5174
5175 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5176 struct hci_conn_params *params;
2faade53
MH		 5177 u8 addr_type;
5178
6659358e 5179 if (!bdaddr_type_is_valid(cp->addr.type)) {
51d7a94d
JH		 5180 err = mgmt_cmd_complete(sk, hdev->id,
5181 MGMT_OP_REMOVE_DEVICE,
5182 MGMT_STATUS_INVALID_PARAMS,
5183 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5184 goto unlock;
5185 }
5186
6659358e
JH		 5187 if (cp->addr.type == BDADDR_BREDR) {
5188 err = hci_bdaddr_list_del(&hdev->whitelist,
5189 &cp->addr.bdaddr,
5190 cp->addr.type);
5191 if (err) {
51d7a94d
JH		 5192 err = mgmt_cmd_complete(sk, hdev->id,
5193 MGMT_OP_REMOVE_DEVICE,
5194 MGMT_STATUS_INVALID_PARAMS,
5195 &cp->addr,
5196 sizeof(cp->addr));
6659358e
JH		 5197 goto unlock;
5198 }
5199
01b1cb87 5200 hci_req_update_scan(hdev);
a397407f 5201
6659358e
JH		 5202 device_removed(sk, hdev, &cp->addr.bdaddr,
5203 cp->addr.type);
5204 goto complete;
5205 }
5206
85813a7e 5207 addr_type = le_addr_type(cp->addr.type);
2faade53 5208
9a0a8a8e
JP		 5209 /* Kernel internally uses conn_params with resolvable private
5210 * address, but Remove Device allows only identity addresses.
5211 * Make sure it is enforced before calling
5212 * hci_conn_params_lookup.
5213 */
5214 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 5215 err = mgmt_cmd_complete(sk, hdev->id,
5216 MGMT_OP_REMOVE_DEVICE,
5217 MGMT_STATUS_INVALID_PARAMS,
5218 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 5219 goto unlock;
5220 }
5221
c71593dd
JH		 5222 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5223 addr_type);
5224 if (!params) {
51d7a94d
JH		 5225 err = mgmt_cmd_complete(sk, hdev->id,
5226 MGMT_OP_REMOVE_DEVICE,
5227 MGMT_STATUS_INVALID_PARAMS,
5228 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 5229 goto unlock;
5230 }
5231
679d2b6f
JH		 5232 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
5233 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
51d7a94d
JH		 5234 err = mgmt_cmd_complete(sk, hdev->id,
5235 MGMT_OP_REMOVE_DEVICE,
5236 MGMT_STATUS_INVALID_PARAMS,
5237 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 5238 goto unlock;
5239 }
5240
d1dbf12e 5241 list_del(&params->action);
c71593dd
JH		 5242 list_del(&params->list);
5243 kfree(params);
51d7a94d 5244 hci_update_background_scan(hdev);
8afef092
MH		 5245
5246 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5247 } else {
19de0825 5248 struct hci_conn_params *p, *tmp;
6659358e 5249 struct bdaddr_list *b, *btmp;
19de0825 5250
2faade53 5251 if (cp->addr.type) {
51d7a94d
JH		 5252 err = mgmt_cmd_complete(sk, hdev->id,
5253 MGMT_OP_REMOVE_DEVICE,
5254 MGMT_STATUS_INVALID_PARAMS,
5255 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5256 goto unlock;
5257 }
5258
6659358e
JH		 5259 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5260 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5261 list_del(&b->list);
5262 kfree(b);
5263 }
5264
01b1cb87 5265 hci_req_update_scan(hdev);
a397407f 5266
19de0825
JH		 5267 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5268 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5269 continue;
5270 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 5271 if (p->explicit_connect) {
5272 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
5273 continue;
5274 }
19de0825
JH		 5275 list_del(&p->action);
5276 list_del(&p->list);
5277 kfree(p);
5278 }
5279
5280 BT_DBG("All LE connection parameters were removed");
5281
51d7a94d 5282 hci_update_background_scan(hdev);
2faade53
MH		 5283 }
5284
6659358e 5285complete:
51d7a94d
JH		 5286 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5287 MGMT_STATUS_SUCCESS, &cp->addr,
5288 sizeof(cp->addr));
2faade53
MH		 5289unlock:
5290 hci_dev_unlock(hdev);
5291 return err;
5292}
5293
a26f3dcf
JH		 5294static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5295 u16 len)
5296{
5297 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5298 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5299 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5300 u16 param_count, expected_len;
5301 int i;
5302
5303 if (!lmp_le_capable(hdev))
a69e8375
JH		 5304 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5305 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 5306
5307 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5308 if (param_count > max_param_count) {
5309 BT_ERR("load_conn_param: too big param_count value %u",
5310 param_count);
a69e8375
JH		 5311 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5312 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5313 }
a26f3dcf
JH		 5314
5315 expected_len = sizeof(*cp) + param_count *
5316 sizeof(struct mgmt_conn_param);
5317 if (expected_len != len) {
5318 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5319 expected_len, len);
a69e8375
JH		 5320 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5321 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 5322 }
5323
5324 BT_DBG("%s param_count %u", hdev->name, param_count);
5325
5326 hci_dev_lock(hdev);
5327
5328 hci_conn_params_clear_disabled(hdev);
5329
5330 for (i = 0; i < param_count; i++) {
5331 struct mgmt_conn_param *param = &cp->params[i];
5332 struct hci_conn_params *hci_param;
5333 u16 min, max, latency, timeout;
5334 u8 addr_type;
5335
5336 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5337 param->addr.type);
5338
5339 if (param->addr.type == BDADDR_LE_PUBLIC) {
5340 addr_type = ADDR_LE_DEV_PUBLIC;
5341 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5342 addr_type = ADDR_LE_DEV_RANDOM;
5343 } else {
5344 BT_ERR("Ignoring invalid connection parameters");
5345 continue;
5346 }
5347
5348 min = le16_to_cpu(param->min_interval);
5349 max = le16_to_cpu(param->max_interval);
5350 latency = le16_to_cpu(param->latency);
5351 timeout = le16_to_cpu(param->timeout);
5352
5353 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5354 min, max, latency, timeout);
5355
5356 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5357 BT_ERR("Ignoring invalid connection parameters");
5358 continue;
5359 }
5360
5361 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5362 addr_type);
5363 if (!hci_param) {
5364 BT_ERR("Failed to add connection parameters");
5365 continue;
5366 }
5367
5368 hci_param->conn_min_interval = min;
5369 hci_param->conn_max_interval = max;
5370 hci_param->conn_latency = latency;
5371 hci_param->supervision_timeout = timeout;
5372 }
5373
5374 hci_dev_unlock(hdev);
5375
2a1afb5a
JH		 5376 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
5377 NULL, 0);
a26f3dcf
JH		 5378}
5379
dbece37a
MH		 5380static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5381 void *data, u16 len)
5382{
5383 struct mgmt_cp_set_external_config *cp = data;
5384 bool changed;
5385 int err;
5386
5387 BT_DBG("%s", hdev->name);
5388
5389 if (hdev_is_powered(hdev))
a69e8375
JH		 5390 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5391 MGMT_STATUS_REJECTED);
dbece37a
MH		 5392
5393 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 5394 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5395 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 5396
5397 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 5398 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5399 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 5400
5401 hci_dev_lock(hdev);
5402
5403 if (cp->config)
238be788 5404 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 5405 else
a69d8927 5406 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 5407
5408 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5409 if (err < 0)
5410 goto unlock;
5411
5412 if (!changed)
5413 goto unlock;
5414
f4537c04
MH		 5415 err = new_options(hdev, sk);
5416
d7a5a11d 5417 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 5418 mgmt_index_removed(hdev);
d603b76b 5419
516018a9 5420 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 5421 hci_dev_set_flag(hdev, HCI_CONFIG);
5422 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 5423
5424 queue_work(hdev->req_workqueue, &hdev->power_on);
5425 } else {
5ea234d3 5426 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5427 mgmt_index_added(hdev);
5428 }
dbece37a
MH		 5429 }
5430
5431unlock:
5432 hci_dev_unlock(hdev);
5433 return err;
5434}
5435
9713c17b
MH		 5436static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5437 void *data, u16 len)
5438{
5439 struct mgmt_cp_set_public_address *cp = data;
5440 bool changed;
5441 int err;
5442
5443 BT_DBG("%s", hdev->name);
5444
5445 if (hdev_is_powered(hdev))
a69e8375
JH		 5446 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5447 MGMT_STATUS_REJECTED);
9713c17b
MH		 5448
5449 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 5450 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5451 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 5452
5453 if (!hdev->set_bdaddr)
a69e8375
JH		 5454 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5455 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 5456
5457 hci_dev_lock(hdev);
5458
5459 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5460 bacpy(&hdev->public_addr, &cp->bdaddr);
5461
5462 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5463 if (err < 0)
5464 goto unlock;
5465
5466 if (!changed)
5467 goto unlock;
5468
d7a5a11d 5469 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 5470 err = new_options(hdev, sk);
5471
5472 if (is_configured(hdev)) {
5473 mgmt_index_removed(hdev);
5474
a358dc11 5475 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 5476
a1536da2
MH		 5477 hci_dev_set_flag(hdev, HCI_CONFIG);
5478 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 5479
5480 queue_work(hdev->req_workqueue, &hdev->power_on);
5481 }
5482
5483unlock:
5484 hci_dev_unlock(hdev);
5485 return err;
5486}
5487
bea41609
MH		 5488static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
5489 u8 data_len)
5490{
5491 eir[eir_len++] = sizeof(type) + data_len;
5492 eir[eir_len++] = type;
5493 memcpy(&eir[eir_len], data, data_len);
5494 eir_len += data_len;
5495
5496 return eir_len;
5497}
5498
40f66c05
JH		 5499static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
5500 u16 opcode, struct sk_buff *skb)
5501{
5502 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
5503 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
5504 u8 *h192, *r192, *h256, *r256;
5505 struct mgmt_pending_cmd *cmd;
5506 u16 eir_len;
5507 int err;
5508
5509 BT_DBG("%s status %u", hdev->name, status);
5510
5511 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
5512 if (!cmd)
5513 return;
5514
5515 mgmt_cp = cmd->param;
5516
5517 if (status) {
5518 status = mgmt_status(status);
5519 eir_len = 0;
5520
5521 h192 = NULL;
5522 r192 = NULL;
5523 h256 = NULL;
5524 r256 = NULL;
5525 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
5526 struct hci_rp_read_local_oob_data *rp;
5527
5528 if (skb->len != sizeof(*rp)) {
5529 status = MGMT_STATUS_FAILED;
5530 eir_len = 0;
5531 } else {
5532 status = MGMT_STATUS_SUCCESS;
5533 rp = (void *)skb->data;
5534
5535 eir_len = 5 + 18 + 18;
5536 h192 = rp->hash;
5537 r192 = rp->rand;
5538 h256 = NULL;
5539 r256 = NULL;
5540 }
5541 } else {
5542 struct hci_rp_read_local_oob_ext_data *rp;
5543
5544 if (skb->len != sizeof(*rp)) {
5545 status = MGMT_STATUS_FAILED;
5546 eir_len = 0;
5547 } else {
5548 status = MGMT_STATUS_SUCCESS;
5549 rp = (void *)skb->data;
5550
5551 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
5552 eir_len = 5 + 18 + 18;
5553 h192 = NULL;
5554 r192 = NULL;
5555 } else {
5556 eir_len = 5 + 18 + 18 + 18 + 18;
5557 h192 = rp->hash192;
5558 r192 = rp->rand192;
5559 }
5560
5561 h256 = rp->hash256;
5562 r256 = rp->rand256;
5563 }
5564 }
5565
5566 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
5567 if (!mgmt_rp)
5568 goto done;
5569
5570 if (status)
5571 goto send_rsp;
5572
5573 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
5574 hdev->dev_class, 3);
5575
5576 if (h192 && r192) {
5577 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5578 EIR_SSP_HASH_C192, h192, 16);
5579 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5580 EIR_SSP_RAND_R192, r192, 16);
5581 }
5582
5583 if (h256 && r256) {
5584 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5585 EIR_SSP_HASH_C256, h256, 16);
5586 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5587 EIR_SSP_RAND_R256, r256, 16);
5588 }
5589
5590send_rsp:
5591 mgmt_rp->type = mgmt_cp->type;
5592 mgmt_rp->eir_len = cpu_to_le16(eir_len);
5593
5594 err = mgmt_cmd_complete(cmd->sk, hdev->id,
5595 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
5596 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
5597 if (err < 0 || status)
5598 goto done;
5599
5600 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
5601
5602 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
5603 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
5604 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
5605done:
5606 kfree(mgmt_rp);
5607 mgmt_pending_remove(cmd);
5608}
5609
5610static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
5611 struct mgmt_cp_read_local_oob_ext_data *cp)
5612{
5613 struct mgmt_pending_cmd *cmd;
5614 struct hci_request req;
5615 int err;
5616
5617 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
5618 cp, sizeof(*cp));
5619 if (!cmd)
5620 return -ENOMEM;
5621
5622 hci_req_init(&req, hdev);
5623
5624 if (bredr_sc_enabled(hdev))
5625 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
5626 else
5627 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
5628
5629 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
5630 if (err < 0) {
5631 mgmt_pending_remove(cmd);
5632 return err;
5633 }
5634
5635 return 0;
5636}
5637
4f0f155c
MH		 5638static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
5639 void *data, u16 data_len)
5640{
5641 struct mgmt_cp_read_local_oob_ext_data *cp = data;
5642 struct mgmt_rp_read_local_oob_ext_data *rp;
5643 size_t rp_len;
5644 u16 eir_len;
0821a2c5 5645 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 5646 int err;
5647
5648 BT_DBG("%s", hdev->name);
5649
57b0d3e8
MH		 5650 if (hdev_is_powered(hdev)) {
5651 switch (cp->type) {
5652 case BIT(BDADDR_BREDR):
5653 status = mgmt_bredr_support(hdev);
5654 if (status)
5655 eir_len = 0;
5656 else
5657 eir_len = 5;
5658 break;
5659 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5660 status = mgmt_le_support(hdev);
5661 if (status)
5662 eir_len = 0;
5663 else
5664 eir_len = 9 + 3 + 18 + 18 + 3;
5665 break;
5666 default:
5667 status = MGMT_STATUS_INVALID_PARAMS;
5668 eir_len = 0;
5669 break;
5670 }
5671 } else {
5672 status = MGMT_STATUS_NOT_POWERED;
5673 eir_len = 0;
4f0f155c
MH		 5674 }
5675
4f0f155c
MH		 5676 rp_len = sizeof(*rp) + eir_len;
5677 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 5678 if (!rp)
4f0f155c 5679 return -ENOMEM;
efcd8c98 5680
57b0d3e8
MH		 5681 if (status)
5682 goto complete;
5683
efcd8c98 5684 hci_dev_lock(hdev);
4f0f155c
MH		 5685
5686 eir_len = 0;
5687 switch (cp->type) {
5688 case BIT(BDADDR_BREDR):
40f66c05
JH		 5689 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
5690 err = read_local_ssp_oob_req(hdev, sk, cp);
5691 hci_dev_unlock(hdev);
5692 if (!err)
5693 goto done;
5694
5695 status = MGMT_STATUS_FAILED;
5696 goto complete;
5697 } else {
5698 eir_len = eir_append_data(rp->eir, eir_len,
5699 EIR_CLASS_OF_DEV,
5700 hdev->dev_class, 3);
5701 }
4f0f155c
MH		 5702 break;
5703 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 5704 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5705 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 5706 hci_dev_unlock(hdev);
57b0d3e8
MH		 5707 status = MGMT_STATUS_FAILED;
5708 goto complete;
0821a2c5
MH		 5709 }
5710
e213568a
MH		 5711 /* This should return the active RPA, but since the RPA
5712 * is only programmed on demand, it is really hard to fill
5713 * this in at the moment. For now disallow retrieving
5714 * local out-of-band data when privacy is in use.
5715 *
5716 * Returning the identity address will not help here since
5717 * pairing happens before the identity resolving key is
5718 * known and thus the connection establishment happens
5719 * based on the RPA and not the identity address.
5720 */
4f0f155c 5721 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 5722 hci_dev_unlock(hdev);
5723 status = MGMT_STATUS_REJECTED;
5724 goto complete;
5725 }
5726
5727 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
5728 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
5729 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
5730 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 5731 memcpy(addr, &hdev->static_addr, 6);
5732 addr[6] = 0x01;
5733 } else {
5734 memcpy(addr, &hdev->bdaddr, 6);
5735 addr[6] = 0x00;
5736 }
5737
5738 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
5739 addr, sizeof(addr));
5740
5741 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
5742 role = 0x02;
5743 else
5744 role = 0x01;
5745
5746 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
5747 &role, sizeof(role));
5748
5082a599
MH		 5749 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
5750 eir_len = eir_append_data(rp->eir, eir_len,
5751 EIR_LE_SC_CONFIRM,
5752 hash, sizeof(hash));
0821a2c5 5753
5082a599
MH		 5754 eir_len = eir_append_data(rp->eir, eir_len,
5755 EIR_LE_SC_RANDOM,
5756 rand, sizeof(rand));
5757 }
0821a2c5 5758
f2252570 5759 flags = mgmt_get_adv_discov_flags(hdev);
4f0f155c
MH		 5760
5761 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
5762 flags |= LE_AD_NO_BREDR;
5763
5764 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
5765 &flags, sizeof(flags));
5766 break;
5767 }
5768
4f0f155c
MH		 5769 hci_dev_unlock(hdev);
5770
72000df2
MH		 5771 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
5772
57b0d3e8
MH		 5773 status = MGMT_STATUS_SUCCESS;
5774
5775complete:
efcd8c98
MH		 5776 rp->type = cp->type;
5777 rp->eir_len = cpu_to_le16(eir_len);
5778
4f0f155c 5779 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 5780 status, rp, sizeof(*rp) + eir_len);
5781 if (err < 0 || status)
72000df2
MH		 5782 goto done;
5783
5784 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
5785 rp, sizeof(*rp) + eir_len,
5786 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 5787
0821a2c5 5788done:
4f0f155c
MH		 5789 kfree(rp);
5790
5791 return err;
5792}
5793
089fa8c0
AU		 5794static u32 get_supported_adv_flags(struct hci_dev *hdev)
5795{
5796 u32 flags = 0;
5797
5798 flags |= MGMT_ADV_FLAG_CONNECTABLE;
5799 flags |= MGMT_ADV_FLAG_DISCOV;
5800 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
5801 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
5802
5803 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
5804 flags |= MGMT_ADV_FLAG_TX_POWER;
5805
5806 return flags;
5807}
5808
d3d5305b
MH		 5809static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
5810 void *data, u16 data_len)
5811{
5812 struct mgmt_rp_read_adv_features *rp;
5813 size_t rp_len;
02c04afe 5814 int err;
286e0c83 5815 struct adv_info *adv_instance;
089fa8c0 5816 u32 supported_flags;
02c04afe 5817 u8 *instance;
d3d5305b
MH		 5818
5819 BT_DBG("%s", hdev->name);
5820
089fa8c0
AU		 5821 if (!lmp_le_capable(hdev))
5822 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
5823 MGMT_STATUS_REJECTED);
5824
d3d5305b
MH		 5825 hci_dev_lock(hdev);
5826
02c04afe 5827 rp_len = sizeof(*rp) + hdev->adv_instance_cnt;
d3d5305b
MH		 5828 rp = kmalloc(rp_len, GFP_ATOMIC);
5829 if (!rp) {
5830 hci_dev_unlock(hdev);
5831 return -ENOMEM;
5832 }
5833
089fa8c0
AU		 5834 supported_flags = get_supported_adv_flags(hdev);
5835
5836 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 5837 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
5838 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 5839 rp->max_instances = HCI_MAX_ADV_INSTANCES;
02c04afe 5840 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f 5841
02c04afe
JH		 5842 instance = rp->instance;
5843 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
5844 *instance = adv_instance->instance;
5845 instance++;
24b4f38f 5846 }
d3d5305b
MH		 5847
5848 hci_dev_unlock(hdev);
5849
5850 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
5851 MGMT_STATUS_SUCCESS, rp, rp_len);
5852
5853 kfree(rp);
5854
5855 return err;
5856}
5857
4117ed70 5858static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
b44133ff 5859 u8 len, bool is_adv_data)
24b4f38f 5860{
4117ed70 5861 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 5862 int i, cur_len;
b44133ff 5863 bool flags_managed = false;
5507e358 5864 bool tx_power_managed = false;
24b4f38f 5865
31a3248d
MH		 5866 if (is_adv_data) {
5867 if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
5868 MGMT_ADV_FLAG_LIMITED_DISCOV |
5869 MGMT_ADV_FLAG_MANAGED_FLAGS)) {
5870 flags_managed = true;
5871 max_len -= 3;
5872 }
24b4f38f 5873
31a3248d
MH		 5874 if (adv_flags & MGMT_ADV_FLAG_TX_POWER) {
5875 tx_power_managed = true;
5876 max_len -= 3;
5877 }
5507e358
AU		 5878 }
5879
4117ed70 5880 if (len > max_len)
24b4f38f
AU		 5881 return false;
5882
4117ed70
AU		 5883 /* Make sure that the data is correctly formatted. */
5884 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
5885 cur_len = data[i];
24b4f38f 5886
b44133ff
AU		 5887 if (flags_managed && data[i + 1] == EIR_FLAGS)
5888 return false;
5889
5507e358
AU		 5890 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
5891 return false;
5892
24b4f38f
AU		 5893 /* If the current field length would exceed the total data
5894 * length, then it's invalid.
5895 */
4117ed70 5896 if (i + cur_len >= len)
24b4f38f
AU		 5897 return false;
5898 }
5899
5900 return true;
5901}
5902
24b4f38f
AU		 5903static void add_advertising_complete(struct hci_dev *hdev, u8 status,
5904 u16 opcode)
5905{
5906 struct mgmt_pending_cmd *cmd;
fffd38bc 5907 struct mgmt_cp_add_advertising *cp;
24b4f38f 5908 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 5909 struct adv_info *adv_instance, *n;
5910 u8 instance;
24b4f38f
AU		 5911
5912 BT_DBG("status %d", status);
5913
5914 hci_dev_lock(hdev);
5915
5916 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
5917
fffd38bc
FG		 5918 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
5919 if (!adv_instance->pending)
5920 continue;
5921
5922 if (!status) {
5923 adv_instance->pending = false;
5924 continue;
5925 }
5926
5927 instance = adv_instance->instance;
5928
5929 if (hdev->cur_adv_instance == instance)
5930 cancel_adv_timeout(hdev);
5931
5932 hci_remove_adv_instance(hdev, instance);
f2252570 5933 mgmt_advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 5934 }
5935
5936 if (!cmd)
5937 goto unlock;
5938
fffd38bc
FG		 5939 cp = cmd->param;
5940 rp.instance = cp->instance;
24b4f38f
AU		 5941
5942 if (status)
5943 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5944 mgmt_status(status));
5945 else
5946 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
5947 mgmt_status(status), &rp, sizeof(rp));
5948
5949 mgmt_pending_remove(cmd);
5950
5951unlock:
5952 hci_dev_unlock(hdev);
5953}
5954
5955static int add_advertising(struct sock *sk, struct hci_dev *hdev,
5956 void *data, u16 data_len)
5957{
5958 struct mgmt_cp_add_advertising *cp = data;
5959 struct mgmt_rp_add_advertising rp;
5960 u32 flags;
089fa8c0 5961 u32 supported_flags;
24b4f38f 5962 u8 status;
fffd38bc
FG		 5963 u16 timeout, duration;
5964 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
5965 u8 schedule_instance = 0;
5966 struct adv_info *next_instance;
24b4f38f
AU		 5967 int err;
5968 struct mgmt_pending_cmd *cmd;
5969 struct hci_request req;
5970
5971 BT_DBG("%s", hdev->name);
5972
5973 status = mgmt_le_support(hdev);
5974 if (status)
5975 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5976 status);
5977
ceff86af
MH		 5978 if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
5979 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5980 MGMT_STATUS_INVALID_PARAMS);
5981
24b4f38f 5982 flags = __le32_to_cpu(cp->flags);
912098a6 5983 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 5984 duration = __le16_to_cpu(cp->duration);
24b4f38f 5985
fffd38bc
FG		 5986 /* The current implementation only supports a subset of the specified
5987 * flags.
089fa8c0
AU		 5988 */
5989 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 5990 if (flags & ~supported_flags)
24b4f38f
AU		 5991 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5992 MGMT_STATUS_INVALID_PARAMS);
5993
5994 hci_dev_lock(hdev);
5995
912098a6
AU		 5996 if (timeout && !hdev_is_powered(hdev)) {
5997 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5998 MGMT_STATUS_REJECTED);
5999 goto unlock;
6000 }
6001
24b4f38f 6002 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 6003 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 6004 pending_find(MGMT_OP_SET_LE, hdev)) {
6005 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6006 MGMT_STATUS_BUSY);
6007 goto unlock;
6008 }
6009
b44133ff 6010 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
4117ed70 6011 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
b44133ff 6012 cp->scan_rsp_len, false)) {
24b4f38f
AU		 6013 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6014 MGMT_STATUS_INVALID_PARAMS);
6015 goto unlock;
6016 }
6017
fffd38bc
FG		 6018 err = hci_add_adv_instance(hdev, cp->instance, flags,
6019 cp->adv_data_len, cp->data,
6020 cp->scan_rsp_len,
6021 cp->data + cp->adv_data_len,
6022 timeout, duration);
6023 if (err < 0) {
6024 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6025 MGMT_STATUS_FAILED);
6026 goto unlock;
6027 }
24b4f38f 6028
fffd38bc
FG		 6029 /* Only trigger an advertising added event if a new instance was
6030 * actually added.
6031 */
6032 if (hdev->adv_instance_cnt > prev_instance_cnt)
f2252570 6033 mgmt_advertising_added(sk, hdev, cp->instance);
912098a6 6034
fffd38bc
FG		 6035 if (hdev->cur_adv_instance == cp->instance) {
6036 /* If the currently advertised instance is being changed then
6037 * cancel the current advertising and schedule the next
6038 * instance. If there is only one instance then the overridden
6039 * advertising data will be visible right away.
6040 */
6041 cancel_adv_timeout(hdev);
912098a6 6042
fffd38bc
FG		 6043 next_instance = hci_get_next_instance(hdev, cp->instance);
6044 if (next_instance)
6045 schedule_instance = next_instance->instance;
6046 } else if (!hdev->adv_instance_timeout) {
6047 /* Immediately advertise the new instance if no other
6048 * instance is currently being advertised.
6049 */
6050 schedule_instance = cp->instance;
6051 }
24b4f38f 6052
fffd38bc
FG		 6053 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
6054 * there is no instance to be advertised then we have no HCI
6055 * communication to make. Simply return.
24b4f38f
AU		 6056 */
6057 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 6058 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
6059 !schedule_instance) {
6060 rp.instance = cp->instance;
24b4f38f
AU		 6061 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6062 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6063 goto unlock;
6064 }
6065
6066 /* We're good to go, update advertising data, parameters, and start
6067 * advertising.
6068 */
6069 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
6070 data_len);
6071 if (!cmd) {
6072 err = -ENOMEM;
6073 goto unlock;
6074 }
6075
6076 hci_req_init(&req, hdev);
6077
f2252570 6078 err = __hci_req_schedule_adv_instance(&req, schedule_instance, true);
fffd38bc
FG		 6079
6080 if (!err)
6081 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 6082
24b4f38f
AU		 6083 if (err < 0)
6084 mgmt_pending_remove(cmd);
6085
6086unlock:
6087 hci_dev_unlock(hdev);
6088
6089 return err;
6090}
6091
da929335
AU		 6092static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
6093 u16 opcode)
6094{
6095 struct mgmt_pending_cmd *cmd;
01948331 6096 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 6097 struct mgmt_rp_remove_advertising rp;
6098
6099 BT_DBG("status %d", status);
6100
6101 hci_dev_lock(hdev);
6102
6103 /* A failure status here only means that we failed to disable
6104 * advertising. Otherwise, the advertising instance has been removed,
6105 * so report success.
6106 */
6107 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
6108 if (!cmd)
6109 goto unlock;
6110
01948331
FG		 6111 cp = cmd->param;
6112 rp.instance = cp->instance;
da929335
AU		 6113
6114 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
6115 &rp, sizeof(rp));
6116 mgmt_pending_remove(cmd);
6117
6118unlock:
6119 hci_dev_unlock(hdev);
6120}
6121
6122static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
6123 void *data, u16 data_len)
6124{
6125 struct mgmt_cp_remove_advertising *cp = data;
6126 struct mgmt_rp_remove_advertising rp;
da929335
AU		 6127 struct mgmt_pending_cmd *cmd;
6128 struct hci_request req;
952497b1 6129 int err;
da929335
AU		 6130
6131 BT_DBG("%s", hdev->name);
6132
da929335
AU		 6133 hci_dev_lock(hdev);
6134
952497b1 6135 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 6136 err = mgmt_cmd_status(sk, hdev->id,
6137 MGMT_OP_REMOVE_ADVERTISING,
6138 MGMT_STATUS_INVALID_PARAMS);
6139 goto unlock;
6140 }
6141
da929335
AU		 6142 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
6143 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
6144 pending_find(MGMT_OP_SET_LE, hdev)) {
6145 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
6146 MGMT_STATUS_BUSY);
6147 goto unlock;
6148 }
6149
17fd08ff 6150 if (list_empty(&hdev->adv_instances)) {
da929335
AU		 6151 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
6152 MGMT_STATUS_INVALID_PARAMS);
6153 goto unlock;
6154 }
6155
01948331 6156 hci_req_init(&req, hdev);
da929335 6157
f2252570 6158 hci_req_clear_adv_instance(hdev, &req, cp->instance, true);
da929335 6159
01948331 6160 if (list_empty(&hdev->adv_instances))
f2252570 6161 __hci_req_disable_advertising(&req);
da929335 6162
01948331
FG		 6163 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
6164 * flag is set or the device isn't powered then we have no HCI
6165 * communication to make. Simply return.
da929335 6166 */
01948331
FG		 6167 if (skb_queue_empty(&req.cmd_q) ||
6168 !hdev_is_powered(hdev) ||
da929335 6169 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 6170 rp.instance = cp->instance;
da929335
AU		 6171 err = mgmt_cmd_complete(sk, hdev->id,
6172 MGMT_OP_REMOVE_ADVERTISING,
6173 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6174 goto unlock;
6175 }
6176
6177 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
6178 data_len);
6179 if (!cmd) {
6180 err = -ENOMEM;
6181 goto unlock;
6182 }
6183
da929335
AU		 6184 err = hci_req_run(&req, remove_advertising_complete);
6185 if (err < 0)
6186 mgmt_pending_remove(cmd);
6187
6188unlock:
6189 hci_dev_unlock(hdev);
6190
6191 return err;
6192}
6193
40b25fe5
MH		 6194static u8 tlv_data_max_len(u32 adv_flags, bool is_adv_data)
6195{
6196 u8 max_len = HCI_MAX_AD_LENGTH;
6197
6198 if (is_adv_data) {
6199 if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
6200 MGMT_ADV_FLAG_LIMITED_DISCOV |
6201 MGMT_ADV_FLAG_MANAGED_FLAGS))
6202 max_len -= 3;
6203
6204 if (adv_flags & MGMT_ADV_FLAG_TX_POWER)
6205 max_len -= 3;
6206 }
6207
6208 return max_len;
6209}
6210
6211static int get_adv_size_info(struct sock *sk, struct hci_dev *hdev,
6212 void *data, u16 data_len)
6213{
6214 struct mgmt_cp_get_adv_size_info *cp = data;
6215 struct mgmt_rp_get_adv_size_info rp;
6216 u32 flags, supported_flags;
6217 int err;
6218
6219 BT_DBG("%s", hdev->name);
6220
6221 if (!lmp_le_capable(hdev))
6222 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6223 MGMT_STATUS_REJECTED);
6224
6225 if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
6226 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6227 MGMT_STATUS_INVALID_PARAMS);
6228
6229 flags = __le32_to_cpu(cp->flags);
6230
6231 /* The current implementation only supports a subset of the specified
6232 * flags.
6233 */
6234 supported_flags = get_supported_adv_flags(hdev);
6235 if (flags & ~supported_flags)
6236 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6237 MGMT_STATUS_INVALID_PARAMS);
6238
6239 rp.instance = cp->instance;
6240 rp.flags = cp->flags;
6241 rp.max_adv_data_len = tlv_data_max_len(flags, true);
6242 rp.max_scan_rsp_len = tlv_data_max_len(flags, false);
6243
6244 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6245 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6246
6247 return err;
6248}
6249
6d785aa3 6250static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 6251 { NULL }, /* 0x0000 (no command) */
b9a245fb 6252 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 6253 HCI_MGMT_NO_HDEV |
6254 HCI_MGMT_UNTRUSTED },
b9a245fb 6255 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 6256 HCI_MGMT_NO_HDEV |
6257 HCI_MGMT_UNTRUSTED },
b9a245fb 6258 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 6259 HCI_MGMT_NO_HDEV |
6260 HCI_MGMT_UNTRUSTED },
6261 { read_controller_info, MGMT_READ_INFO_SIZE,
6262 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 6263 { set_powered, MGMT_SETTING_SIZE },
6264 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
6265 { set_connectable, MGMT_SETTING_SIZE },
6266 { set_fast_connectable, MGMT_SETTING_SIZE },
6267 { set_bondable, MGMT_SETTING_SIZE },
6268 { set_link_security, MGMT_SETTING_SIZE },
6269 { set_ssp, MGMT_SETTING_SIZE },
6270 { set_hs, MGMT_SETTING_SIZE },
6271 { set_le, MGMT_SETTING_SIZE },
6272 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
6273 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
6274 { add_uuid, MGMT_ADD_UUID_SIZE },
6275 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 6276 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
6277 HCI_MGMT_VAR_LEN },
6278 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
6279 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6280 { disconnect, MGMT_DISCONNECT_SIZE },
6281 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
6282 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
6283 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
6284 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
6285 { pair_device, MGMT_PAIR_DEVICE_SIZE },
6286 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
6287 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
6288 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
6289 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
6290 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
6291 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 6292 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
6293 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
6294 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6295 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
6296 { start_discovery, MGMT_START_DISCOVERY_SIZE },
6297 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
6298 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
6299 { block_device, MGMT_BLOCK_DEVICE_SIZE },
6300 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
6301 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
6302 { set_advertising, MGMT_SETTING_SIZE },
6303 { set_bredr, MGMT_SETTING_SIZE },
6304 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
6305 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
6306 { set_secure_conn, MGMT_SETTING_SIZE },
6307 { set_debug_keys, MGMT_SETTING_SIZE },
6308 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 6309 { load_irks, MGMT_LOAD_IRKS_SIZE,
6310 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6311 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
6312 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
6313 { add_device, MGMT_ADD_DEVICE_SIZE },
6314 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 6315 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
6316 HCI_MGMT_VAR_LEN },
6317 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 6318 HCI_MGMT_NO_HDEV |
6319 HCI_MGMT_UNTRUSTED },
b9a245fb 6320 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 6321 HCI_MGMT_UNCONFIGURED |
6322 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 6323 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
6324 HCI_MGMT_UNCONFIGURED },
6325 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
6326 HCI_MGMT_UNCONFIGURED },
6327 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
6328 HCI_MGMT_VAR_LEN },
4f0f155c 6329 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 6330 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 6331 HCI_MGMT_NO_HDEV |
6332 HCI_MGMT_UNTRUSTED },
d3d5305b 6333 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 6334 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
6335 HCI_MGMT_VAR_LEN },
da929335 6336 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
40b25fe5 6337 { get_adv_size_info, MGMT_GET_ADV_SIZE_INFO_SIZE },
78b781ca 6338 { start_limited_discovery, MGMT_START_DISCOVERY_SIZE },
0f4e68cf
JH		 6339};
6340
bf6b56db 6341void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 6342{
ced85549 6343 struct mgmt_ev_ext_index ev;
bb4b2a9a 6344
0602a8ad
MH		 6345 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
6346 return;
6347
f9207338
MH		 6348 switch (hdev->dev_type) {
6349 case HCI_BREDR:
6350 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
6351 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
6352 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 6353 ev.type = 0x01;
f9207338
MH		 6354 } else {
6355 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
6356 HCI_MGMT_INDEX_EVENTS);
ced85549 6357 ev.type = 0x00;
f9207338
MH		 6358 }
6359 break;
ced85549
MH		 6360 case HCI_AMP:
6361 ev.type = 0x02;
6362 break;
6363 default:
6364 return;
f9207338 6365 }
ced85549
MH		 6366
6367 ev.bus = hdev->bus;
6368
6369 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
6370 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 6371}
6372
bf6b56db 6373void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 6374{
ced85549 6375 struct mgmt_ev_ext_index ev;
5f159032 6376 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 6377
0602a8ad
MH		 6378 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
6379 return;
6380
f9207338
MH		 6381 switch (hdev->dev_type) {
6382 case HCI_BREDR:
6383 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 6384
f9207338
MH		 6385 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
6386 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
6387 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 6388 ev.type = 0x01;
f9207338
MH		 6389 } else {
6390 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
6391 HCI_MGMT_INDEX_EVENTS);
ced85549 6392 ev.type = 0x00;
f9207338
MH		 6393 }
6394 break;
ced85549
MH		 6395 case HCI_AMP:
6396 ev.type = 0x02;
6397 break;
6398 default:
6399 return;
f9207338 6400 }
ced85549
MH		 6401
6402 ev.bus = hdev->bus;
6403
6404 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
6405 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 6406}
6407
6046dc3e 6408/* This function requires the caller holds hdev->lock */
af02dd44 6409static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 6410{
6411 struct hci_conn_params *p;
6412
6413 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 6414 /* Needed for AUTO_OFF case where might not "really"
6415 * have been powered off.
6416 */
6417 list_del_init(&p->action);
6418
6419 switch (p->auto_connect) {
4b9e7e75 6420 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 6421 case HCI_AUTO_CONN_ALWAYS:
6422 list_add(&p->action, &hdev->pend_le_conns);
6423 break;
6424 case HCI_AUTO_CONN_REPORT:
6425 list_add(&p->action, &hdev->pend_le_reports);
6426 break;
6427 default:
6428 break;
c83ed19d 6429 }
6046dc3e
AG		 6430 }
6431}
6432
2ff13894 6433void mgmt_power_on(struct hci_dev *hdev, int err)
229ab39c
JH		 6434{
6435 struct cmd_lookup match = { NULL, hdev };
6436
2ff13894 6437 BT_DBG("err %d", err);
229ab39c 6438
2ff13894
JH		 6439 hci_dev_lock(hdev);
6440
6441 if (!err) {
af02dd44
JH		 6442 restart_le_actions(hdev);
6443 hci_update_background_scan(hdev);
162a3bac
MH		 6444 }
6445
229ab39c
JH		 6446 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6447
6448 new_settings(hdev, match.sk);
6449
229ab39c
JH		 6450 if (match.sk)
6451 sock_put(match.sk);
229ab39c 6452
2ff13894 6453 hci_dev_unlock(hdev);
70da6243 6454}
562fcc24 6455
2ff13894 6456void __mgmt_power_off(struct hci_dev *hdev)
70da6243
JH		 6457{
6458 struct cmd_lookup match = { NULL, hdev };
9845904f 6459 u8 status, zero_cod[] = { 0, 0, 0 };
b24752fe 6460
229ab39c 6461 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 6462
6463 /* If the power off is because of hdev unregistration let
6464 * use the appropriate INVALID_INDEX status. Otherwise use
6465 * NOT_POWERED. We cover both scenarios here since later in
6466 * mgmt_index_removed() any hci_conn callbacks will have already
6467 * been triggered, potentially causing misleading DISCONNECTED
6468 * status responses.
6469 */
d7a5a11d 6470 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 6471 status = MGMT_STATUS_INVALID_INDEX;
6472 else
6473 status = MGMT_STATUS_NOT_POWERED;
6474
6475 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c
JH		 6476
6477 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
f6b7712e
MH		 6478 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6479 zero_cod, sizeof(zero_cod), NULL);
229ab39c 6480
2ff13894 6481 new_settings(hdev, match.sk);
eec8d2bc
JH		 6482
6483 if (match.sk)
6484 sock_put(match.sk);
5add6af8 6485}
73f22f62 6486
3eec705e 6487void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 6488{
3b0602cd 6489 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 6490 u8 status;
6491
333ae95d 6492 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 6493 if (!cmd)
3eec705e 6494 return;
96570ffc
JH		 6495
6496 if (err == -ERFKILL)
6497 status = MGMT_STATUS_RFKILLED;
6498 else
6499 status = MGMT_STATUS_FAILED;
6500
a69e8375 6501 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 6502
6503 mgmt_pending_remove(cmd);
96570ffc
JH		 6504}
6505
dc4a5ee2
MH		 6506void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6507 bool persistent)
55ed8ca1 6508{
86742e1e 6509 struct mgmt_ev_new_link_key ev;
55ed8ca1 6510
a492cd52 6511 memset(&ev, 0, sizeof(ev));
55ed8ca1 6512
a492cd52 6513 ev.store_hint = persistent;
d753fdc4 6514 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6515 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6516 ev.key.type = key->type;
9b3b4460 6517 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6518 ev.key.pin_len = key->pin_len;
55ed8ca1 6519
dc4a5ee2 6520 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6521}
f7520543 6522
d7b25450
JH		 6523static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6524{
23fb8de3
JH		 6525 switch (ltk->type) {
6526 case SMP_LTK:
6527 case SMP_LTK_SLAVE:
6528 if (ltk->authenticated)
6529 return MGMT_LTK_AUTHENTICATED;
6530 return MGMT_LTK_UNAUTHENTICATED;
6531 case SMP_LTK_P256:
6532 if (ltk->authenticated)
6533 return MGMT_LTK_P256_AUTH;
6534 return MGMT_LTK_P256_UNAUTH;
6535 case SMP_LTK_P256_DEBUG:
6536 return MGMT_LTK_P256_DEBUG;
6537 }
d7b25450
JH		 6538
6539 return MGMT_LTK_UNAUTHENTICATED;
6540}
6541
53ac6ab6 6542void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6543{
6544 struct mgmt_ev_new_long_term_key ev;
6545
6546 memset(&ev, 0, sizeof(ev));
6547
5192d301 6548 /* Devices using resolvable or non-resolvable random addresses
f72186d2 6549 * without providing an identity resolving key don't require
5192d301
MH		 6550 * to store long term keys. Their addresses will change the
6551 * next time around.
6552 *
6553 * Only when a remote device provides an identity address
6554 * make sure the long term key is stored. If the remote
6555 * identity is known, the long term keys are internally
6556 * mapped to the identity address. So allow static random
6557 * and public addresses here.
6558 */
ba74b666
JH		 6559 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6560 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6561 ev.store_hint = 0x00;
6562 else
53ac6ab6 6563 ev.store_hint = persistent;
ba74b666 6564
346af67b 6565 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6566 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6567 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6568 ev.key.enc_size = key->enc_size;
6569 ev.key.ediv = key->ediv;
fe39c7b2 6570 ev.key.rand = key->rand;
346af67b 6571
2ceba539 6572 if (key->type == SMP_LTK)
346af67b
VCG		 6573 ev.key.master = 1;
6574
1fc62c52
JH		 6575 /* Make sure we copy only the significant bytes based on the
6576 * encryption key size, and set the rest of the value to zeroes.
6577 */
cb92205b 6578 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 6579 memset(ev.key.val + key->enc_size, 0,
6580 sizeof(ev.key.val) - key->enc_size);
346af67b 6581
083368f7 6582 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6583}
6584
cad20c27 6585void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
95fbac8a
JH		 6586{
6587 struct mgmt_ev_new_irk ev;
6588
6589 memset(&ev, 0, sizeof(ev));
6590
cad20c27 6591 ev.store_hint = persistent;
bab6d1e5 6592
95fbac8a
JH		 6593 bacpy(&ev.rpa, &irk->rpa);
6594 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6595 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6596 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6597
6598 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6599}
6600
53ac6ab6
MH		 6601void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6602 bool persistent)
7ee4ea36
MH		 6603{
6604 struct mgmt_ev_new_csrk ev;
6605
6606 memset(&ev, 0, sizeof(ev));
6607
6608 /* Devices using resolvable or non-resolvable random addresses
f72186d2 6609 * without providing an identity resolving key don't require
7ee4ea36
MH		 6610 * to store signature resolving keys. Their addresses will change
6611 * the next time around.
6612 *
6613 * Only when a remote device provides an identity address
6614 * make sure the signature resolving key is stored. So allow
6615 * static random and public addresses here.
6616 */
6617 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6618 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6619 ev.store_hint = 0x00;
6620 else
53ac6ab6 6621 ev.store_hint = persistent;
7ee4ea36
MH		 6622
6623 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6624 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 6625 ev.key.type = csrk->type;
7ee4ea36
MH		 6626 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6627
6628 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6629}
6630
ffb5a827 6631void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6632 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6633 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6634{
6635 struct mgmt_ev_new_conn_param ev;
6636
c103aea6
JH		 6637 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6638 return;
6639
ffb5a827
AG		 6640 memset(&ev, 0, sizeof(ev));
6641 bacpy(&ev.addr.bdaddr, bdaddr);
6642 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6643 ev.store_hint = store_hint;
ffb5a827
AG		 6644 ev.min_interval = cpu_to_le16(min_interval);
6645 ev.max_interval = cpu_to_le16(max_interval);
6646 ev.latency = cpu_to_le16(latency);
6647 ev.timeout = cpu_to_le16(timeout);
6648
6649 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6650}
6651
48ec92fa
AA		 6652void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
6653 u32 flags, u8 *name, u8 name_len)
f7520543 6654{
b644ba33
JH		 6655 char buf[512];
6656 struct mgmt_ev_device_connected *ev = (void *) buf;
6657 u16 eir_len = 0;
f7520543 6658
48ec92fa
AA		 6659 bacpy(&ev->addr.bdaddr, &conn->dst);
6660 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 6661
c95f0ba7 6662 ev->flags = __cpu_to_le32(flags);
08c79b61 6663
fd45ada9
AA		 6664 /* We must ensure that the EIR Data fields are ordered and
6665 * unique. Keep it simple for now and avoid the problem by not
6666 * adding any BR/EDR data to the LE adv.
6667 */
6668 if (conn->le_adv_data_len > 0) {
6669 memcpy(&ev->eir[eir_len],
6670 conn->le_adv_data, conn->le_adv_data_len);
6671 eir_len = conn->le_adv_data_len;
6672 } else {
6673 if (name_len > 0)
6674 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
6675 name, name_len);
b644ba33 6676
ddbea5cf 6677 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 6678 eir_len = eir_append_data(ev->eir, eir_len,
6679 EIR_CLASS_OF_DEV,
6680 conn->dev_class, 3);
6681 }
b644ba33 6682
eb55ef07 6683 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6684
ecd90ae7
MH		 6685 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6686 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6687}
6688
3b0602cd 6689static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 6690{
8962ee74 6691 struct sock **sk = data;
8962ee74 6692
f5818c22 6693 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 6694
6695 *sk = cmd->sk;
6696 sock_hold(*sk);
6697
a664b5bc 6698 mgmt_pending_remove(cmd);
8962ee74
JH		 6699}
6700
3b0602cd 6701static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 6702{
b1078ad0 6703 struct hci_dev *hdev = data;
124f6e35 6704 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 6705
b1078ad0
JH		 6706 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6707
d8b7b1e4 6708 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 6709 mgmt_pending_remove(cmd);
6710}
6711
84c61d92
JH		 6712bool mgmt_powering_down(struct hci_dev *hdev)
6713{
3b0602cd 6714 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 6715 struct mgmt_mode *cp;
6716
333ae95d 6717 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 6718 if (!cmd)
6719 return false;
6720
6721 cp = cmd->param;
6722 if (!cp->val)
6723 return true;
6724
6725 return false;
6726}
6727
9b80ec5e 6728void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6729 u8 link_type, u8 addr_type, u8 reason,
6730 bool mgmt_connected)
f7520543 6731{
f0d6a0ea 6732 struct mgmt_ev_device_disconnected ev;
8962ee74 6733 struct sock *sk = NULL;
8962ee74 6734
84c61d92
JH		 6735 /* The connection is still in hci_conn_hash so test for 1
6736 * instead of 0 to know if this is the last one.
6737 */
6738 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6739 cancel_delayed_work(&hdev->power_off);
6740 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6741 }
6742
12d4a3b2
JH		 6743 if (!mgmt_connected)
6744 return;
6745
57eb776f
AG		 6746 if (link_type != ACL_LINK && link_type != LE_LINK)
6747 return;
6748
744cf19e 6749 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6750
f0d6a0ea
MA		 6751 bacpy(&ev.addr.bdaddr, bdaddr);
6752 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6753 ev.reason = reason;
f7520543 6754
9b80ec5e 6755 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6756
6757 if (sk)
d97dcb66 6758 sock_put(sk);
8962ee74 6759
124f6e35 6760 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6761 hdev);
8962ee74
JH		 6762}
6763
7892924c
MH		 6764void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6765 u8 link_type, u8 addr_type, u8 status)
8962ee74 6766{
3655bba8
AG		 6767 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6768 struct mgmt_cp_disconnect *cp;
3b0602cd 6769 struct mgmt_pending_cmd *cmd;
8962ee74 6770
36a75f1b
JD		 6771 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6772 hdev);
6773
333ae95d 6774 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6775 if (!cmd)
7892924c 6776 return;
8962ee74 6777
3655bba8
AG		 6778 cp = cmd->param;
6779
6780 if (bacmp(bdaddr, &cp->addr.bdaddr))
6781 return;
6782
6783 if (cp->addr.type != bdaddr_type)
6784 return;
6785
f5818c22 6786 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6787 mgmt_pending_remove(cmd);
f7520543 6788}
17d5c04c 6789
445608d0
MH		 6790void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6791 u8 addr_type, u8 status)
17d5c04c
JH		 6792{
6793 struct mgmt_ev_connect_failed ev;
c9910d0f 6794
84c61d92
JH		 6795 /* The connection is still in hci_conn_hash so test for 1
6796 * instead of 0 to know if this is the last one.
6797 */
6798 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6799 cancel_delayed_work(&hdev->power_off);
6800 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6801 }
17d5c04c 6802
4c659c39 6803 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6804 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6805 ev.status = mgmt_status(status);
17d5c04c 6806
445608d0 6807 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6808}
980e1a53 6809
ce0e4a0d 6810void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6811{
6812 struct mgmt_ev_pin_code_request ev;
6813
d8457698 6814 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6815 ev.addr.type = BDADDR_BREDR;
a770bb5a 6816 ev.secure = secure;
980e1a53 6817
ce0e4a0d 6818 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6819}
6820
e669cf80
MH		 6821void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6822 u8 status)
980e1a53 6823{
3b0602cd 6824 struct mgmt_pending_cmd *cmd;
980e1a53 6825
333ae95d 6826 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6827 if (!cmd)
e669cf80 6828 return;
980e1a53 6829
7776d1d8 6830 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6831 mgmt_pending_remove(cmd);
980e1a53
JH		 6832}
6833
3eb38528
MH		 6834void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6835 u8 status)
980e1a53 6836{
3b0602cd 6837 struct mgmt_pending_cmd *cmd;
980e1a53 6838
333ae95d 6839 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6840 if (!cmd)
3eb38528 6841 return;
980e1a53 6842
7776d1d8 6843 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6844 mgmt_pending_remove(cmd);
980e1a53 6845}
a5c29683 6846
744cf19e 6847int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6848 u8 link_type, u8 addr_type, u32 value,
04124681 6849 u8 confirm_hint)
a5c29683
JH		 6850{
6851 struct mgmt_ev_user_confirm_request ev;
6852
744cf19e 6853 BT_DBG("%s", hdev->name);
a5c29683 6854
272d90df 6855 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6856 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6857 ev.confirm_hint = confirm_hint;
39adbffe 6858 ev.value = cpu_to_le32(value);
a5c29683 6859
744cf19e 6860 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6861 NULL);
a5c29683
JH		 6862}
6863
272d90df 6864int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6865 u8 link_type, u8 addr_type)
604086b7
BG		 6866{
6867 struct mgmt_ev_user_passkey_request ev;
6868
6869 BT_DBG("%s", hdev->name);
6870
272d90df 6871 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6872 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6873
6874 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6875 NULL);
604086b7
BG		 6876}
6877
0df4c185 6878static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6879 u8 link_type, u8 addr_type, u8 status,
6880 u8 opcode)
a5c29683 6881{
3b0602cd 6882 struct mgmt_pending_cmd *cmd;
a5c29683 6883
333ae95d 6884 cmd = pending_find(opcode, hdev);
a5c29683
JH		 6885 if (!cmd)
6886 return -ENOENT;
6887
7776d1d8 6888 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6889 mgmt_pending_remove(cmd);
a5c29683 6890
7776d1d8 6891 return 0;
a5c29683
JH		 6892}
6893
744cf19e 6894int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6895 u8 link_type, u8 addr_type, u8 status)
a5c29683 6896{
272d90df 6897 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6898 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6899}
6900
272d90df 6901int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6902 u8 link_type, u8 addr_type, u8 status)
a5c29683 6903{
272d90df 6904 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6905 status,
6906 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6907}
2a611692 6908
604086b7 6909int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6910 u8 link_type, u8 addr_type, u8 status)
604086b7 6911{
272d90df 6912 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6913 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6914}
6915
272d90df 6916int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6917 u8 link_type, u8 addr_type, u8 status)
604086b7 6918{
272d90df 6919 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6920 status,
6921 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6922}
6923
92a25256
JH		 6924int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6925 u8 link_type, u8 addr_type, u32 passkey,
6926 u8 entered)
6927{
6928 struct mgmt_ev_passkey_notify ev;
6929
6930 BT_DBG("%s", hdev->name);
6931
6932 bacpy(&ev.addr.bdaddr, bdaddr);
6933 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6934 ev.passkey = __cpu_to_le32(passkey);
6935 ev.entered = entered;
6936
6937 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6938}
6939
e1e930f5 6940void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 6941{
6942 struct mgmt_ev_auth_failed ev;
3b0602cd 6943 struct mgmt_pending_cmd *cmd;
e1e930f5 6944 u8 status = mgmt_status(hci_status);
2a611692 6945
e1e930f5
JH		 6946 bacpy(&ev.addr.bdaddr, &conn->dst);
6947 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6948 ev.status = status;
2a611692 6949
e1e930f5
JH		 6950 cmd = find_pairing(conn);
6951
6952 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
6953 cmd ? cmd->sk : NULL);
6954
a511b35b
JH		 6955 if (cmd) {
6956 cmd->cmd_complete(cmd, status);
6957 mgmt_pending_remove(cmd);
6958 }
2a611692 6959}
b312b161 6960
464996ae 6961void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6962{
6963 struct cmd_lookup match = { NULL, hdev };
464996ae 6964 bool changed;
33ef95ed
JH		 6965
6966 if (status) {
6967 u8 mgmt_err = mgmt_status(status);
6968 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6969 cmd_status_rsp, &mgmt_err);
464996ae 6970 return;
33ef95ed
JH		 6971 }
6972
464996ae 6973 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 6974 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 6975 else
a69d8927 6976 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 6977
33ef95ed 6978 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6979 &match);
33ef95ed 6980
47990ea0 6981 if (changed)
464996ae 6982 new_settings(hdev, match.sk);
33ef95ed
JH		 6983
6984 if (match.sk)
6985 sock_put(match.sk);
33ef95ed
JH		 6986}
6987
890ea898 6988static void clear_eir(struct hci_request *req)
cacaf52f 6989{
890ea898 6990 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6991 struct hci_cp_write_eir cp;
6992
976eb20e 6993 if (!lmp_ext_inq_capable(hdev))
890ea898 6994 return;
cacaf52f 6995
c80da27e
JH		 6996 memset(hdev->eir, 0, sizeof(hdev->eir));
6997
cacaf52f
JH		 6998 memset(&cp, 0, sizeof(cp));
6999
890ea898 7000 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 7001}
7002
3e248560 7003void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 7004{
7005 struct cmd_lookup match = { NULL, hdev };
890ea898 7006 struct hci_request req;
c0ecddc2 7007 bool changed = false;
ed2c4ee3
JH		 7008
7009 if (status) {
7010 u8 mgmt_err = mgmt_status(status);
c0ecddc2 7011
a69d8927
MH		 7012 if (enable && hci_dev_test_and_clear_flag(hdev,
7013 HCI_SSP_ENABLED)) {
a358dc11 7014 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 7015 new_settings(hdev, NULL);
9ecb3e24 7016 }
c0ecddc2 7017
04124681
GP		 7018 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
7019 &mgmt_err);
3e248560 7020 return;
c0ecddc2
JH		 7021 }
7022
7023 if (enable) {
238be788 7024 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 7025 } else {
a69d8927 7026 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 7027 if (!changed)
a69d8927
MH		 7028 changed = hci_dev_test_and_clear_flag(hdev,
7029 HCI_HS_ENABLED);
9ecb3e24 7030 else
a358dc11 7031 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 7032 }
7033
7034 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
7035
c0ecddc2 7036 if (changed)
3e248560 7037 new_settings(hdev, match.sk);
ed2c4ee3 7038
5fc6ebb1 7039 if (match.sk)
ed2c4ee3
JH		 7040 sock_put(match.sk);
7041
890ea898
JH		 7042 hci_req_init(&req, hdev);
7043
d7a5a11d
MH		 7044 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
7045 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 7046 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
7047 sizeof(enable), &enable);
b1a8917c 7048 __hci_req_update_eir(&req);
3769972b 7049 } else {
890ea898 7050 clear_eir(&req);
3769972b 7051 }
890ea898
JH		 7052
7053 hci_req_run(&req, NULL);
ed2c4ee3
JH		 7054}
7055
3b0602cd 7056static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 7057{
7058 struct cmd_lookup *match = data;
7059
90e70454
JH		 7060 if (match->sk == NULL) {
7061 match->sk = cmd->sk;
7062 sock_hold(match->sk);
7063 }
90e70454
JH		 7064}
7065
4e1b0245
MH		 7066void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
7067 u8 status)
7f9a903c 7068{
90e70454 7069 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 7070
92da6097
JH		 7071 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
7072 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
7073 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 7074
7075 if (!status)
f6b7712e
MH		 7076 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7077 dev_class, 3, NULL);
90e70454
JH		 7078
7079 if (match.sk)
7080 sock_put(match.sk);
7f9a903c
MH		 7081}
7082
7667da34 7083void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 7084{
b312b161 7085 struct mgmt_cp_set_local_name ev;
3b0602cd 7086 struct mgmt_pending_cmd *cmd;
28cc7bde 7087
13928971 7088 if (status)
7667da34 7089 return;
b312b161
JH		 7090
7091 memset(&ev, 0, sizeof(ev));
7092 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 7093 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 7094
333ae95d 7095 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 7096 if (!cmd) {
7097 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 7098
13928971
JH		 7099 /* If this is a HCI command related to powering on the
7100 * HCI dev don't send any mgmt signals.
7101 */
333ae95d 7102 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 7103 return;
890ea898 7104 }
b312b161 7105
f6b7712e
MH		 7106 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
7107 cmd ? cmd->sk : NULL);
b312b161 7108}
c35938b2 7109
799ce93d
JP		 7110static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
7111{
7112 int i;
7113
7114 for (i = 0; i < uuid_count; i++) {
7115 if (!memcmp(uuid, uuids[i], 16))
7116 return true;
7117 }
7118
7119 return false;
7120}
7121
b487b9ce
MH		 7122static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
7123{
799ce93d
JP		 7124 u16 parsed = 0;
7125
7126 while (parsed < eir_len) {
7127 u8 field_len = eir[0];
7128 u8 uuid[16];
7129 int i;
7130
7131 if (field_len == 0)
7132 break;
7133
7134 if (eir_len - parsed < field_len + 1)
7135 break;
7136
7137 switch (eir[1]) {
7138 case EIR_UUID16_ALL:
7139 case EIR_UUID16_SOME:
7140 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 7141 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 7142 uuid[13] = eir[i + 3];
7143 uuid[12] = eir[i + 2];
7144 if (has_uuid(uuid, uuid_count, uuids))
7145 return true;
7146 }
7147 break;
7148 case EIR_UUID32_ALL:
7149 case EIR_UUID32_SOME:
7150 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 7151 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 7152 uuid[15] = eir[i + 5];
7153 uuid[14] = eir[i + 4];
7154 uuid[13] = eir[i + 3];
7155 uuid[12] = eir[i + 2];
7156 if (has_uuid(uuid, uuid_count, uuids))
7157 return true;
7158 }
7159 break;
7160 case EIR_UUID128_ALL:
7161 case EIR_UUID128_SOME:
7162 for (i = 0; i + 17 <= field_len; i += 16) {
7163 memcpy(uuid, eir + i + 2, 16);
7164 if (has_uuid(uuid, uuid_count, uuids))
7165 return true;
7166 }
7167 break;
7168 }
7169
7170 parsed += field_len + 1;
7171 eir += field_len + 1;
7172 }
7173
b487b9ce
MH		 7174 return false;
7175}
7176
4b0e0ced
JP		 7177static void restart_le_scan(struct hci_dev *hdev)
7178{
7179 /* If controller is not scanning we are done. */
d7a5a11d 7180 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 7181 return;
7182
7183 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
7184 hdev->discovery.scan_start +
7185 hdev->discovery.scan_duration))
7186 return;
7187
7c1fbed2 7188 queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart,
4b0e0ced
JP		 7189 DISCOV_LE_RESTART_DELAY);
7190}
7191
48f86b7f
JP		 7192static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
7193 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 7194{
48f86b7f
JP		 7195 /* If a RSSI threshold has been specified, and
7196 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
7197 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
7198 * is set, let it through for further processing, as we might need to
7199 * restart the scan.
efb2513f
MH		 7200 *
7201 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
7202 * the results are also dropped.
bda157a4
MH		 7203 */
7204 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 7205 (rssi == HCI_RSSI_INVALID ||
7206 (rssi < hdev->discovery.rssi &&
7207 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 7208 return false;
efb2513f 7209
2976cdeb
JP		 7210 if (hdev->discovery.uuid_count != 0) {
7211 /* If a list of UUIDs is provided in filter, results with no
7212 * matching UUID should be dropped.
b487b9ce 7213 */
2976cdeb
JP		 7214 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
7215 hdev->discovery.uuids) &&
7216 !eir_has_uuids(scan_rsp, scan_rsp_len,
7217 hdev->discovery.uuid_count,
7218 hdev->discovery.uuids))
7219 return false;
b487b9ce 7220 }
5d2e9fad 7221
2976cdeb
JP		 7222 /* If duplicate filtering does not report RSSI changes, then restart
7223 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 7224 */
2976cdeb
JP		 7225 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
7226 restart_le_scan(hdev);
7227
7228 /* Validate RSSI value against the RSSI threshold once more. */
7229 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
7230 rssi < hdev->discovery.rssi)
7231 return false;
7232 }
48f86b7f
JP		 7233
7234 return true;
7235}
7236
7237void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7238 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
7239 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
7240{
7241 char buf[512];
7242 struct mgmt_ev_device_found *ev = (void *)buf;
7243 size_t ev_size;
7244
7245 /* Don't send events for a non-kernel initiated discovery. With
7246 * LE one exception is if we have pend_le_reports > 0 in which
7247 * case we're doing passive scanning and want these events.
7248 */
7249 if (!hci_discovery_active(hdev)) {
7250 if (link_type == ACL_LINK)
7251 return;
7252 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
7253 return;
7254 }
7255
82f8b651 7256 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 7257 /* We are using service discovery */
7258 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
7259 scan_rsp_len))
7260 return;
7261 }
7262
78b781ca
JH		 7263 if (hdev->discovery.limited) {
7264 /* Check for limited discoverable bit */
7265 if (dev_class) {
7266 if (!(dev_class[1] & 0x20))
7267 return;
7268 } else {
7269 u8 *flags = eir_get_data(eir, eir_len, EIR_FLAGS, NULL);
7270 if (!flags || !(flags[0] & LE_AD_LIMITED))
7271 return;
7272 }
7273 }
7274
48f86b7f
JP		 7275 /* Make sure that the buffer is big enough. The 5 extra bytes
7276 * are for the potential CoD field.
7277 */
7278 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 7279 return;
7280
48f86b7f
JP		 7281 memset(buf, 0, sizeof(buf));
7282
7283 /* In case of device discovery with BR/EDR devices (pre 1.2), the
7284 * RSSI value was reported as 0 when not available. This behavior
7285 * is kept when using device discovery. This is required for full
7286 * backwards compatibility with the API.
7287 *
7288 * However when using service discovery, the value 127 will be
7289 * returned when the RSSI is not available.
7290 */
7291 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
7292 link_type == ACL_LINK)
7293 rssi = 0;
7294
7295 bacpy(&ev->addr.bdaddr, bdaddr);
7296 ev->addr.type = link_to_bdaddr(link_type, addr_type);
7297 ev->rssi = rssi;
7298 ev->flags = cpu_to_le32(flags);
7299
7300 if (eir_len > 0)
7301 /* Copy EIR or advertising data into event */
7302 memcpy(ev->eir, eir, eir_len);
7303
0d3b7f64
JH		 7304 if (dev_class && !eir_get_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
7305 NULL))
48f86b7f
JP		 7306 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
7307 dev_class, 3);
7308
7309 if (scan_rsp_len > 0)
7310 /* Append scan response data to event */
7311 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
7312
5d2e9fad
JH		 7313 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
7314 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 7315
901801b9 7316 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 7317}
a88a9652 7318
9cf12aee
MH		 7319void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7320 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 7321{
b644ba33
JH		 7322 struct mgmt_ev_device_found *ev;
7323 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
7324 u16 eir_len;
a88a9652 7325
b644ba33 7326 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 7327
b644ba33
JH		 7328 memset(buf, 0, sizeof(buf));
7329
7330 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 7331 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 7332 ev->rssi = rssi;
7333
7334 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 7335 name_len);
b644ba33 7336
eb55ef07 7337 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 7338
9cf12aee 7339 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 7340}
314b2381 7341
2f1e063b 7342void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 7343{
f963e8e9 7344 struct mgmt_ev_discovering ev;
164a6e78 7345
343fb145
AG		 7346 BT_DBG("%s discovering %u", hdev->name, discovering);
7347
f963e8e9
JH		 7348 memset(&ev, 0, sizeof(ev));
7349 ev.type = hdev->discovery.type;
7350 ev.discovering = discovering;
7351
2f1e063b 7352 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 7353}
5e762444 7354
6d785aa3
JH		 7355static struct hci_mgmt_chan chan = {
7356 .channel = HCI_CHANNEL_CONTROL,
7357 .handler_count = ARRAY_SIZE(mgmt_handlers),
7358 .handlers = mgmt_handlers,
88b94ce9 7359 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 7360};
7361
7362int mgmt_init(void)
7363{
7364 return hci_mgmt_chan_register(&chan);
7365}
7366
7367void mgmt_exit(void)
7368{
7369 hci_mgmt_chan_unregister(&chan);
7370}
Linux kernel - Deliverables
This page took 1.055967 seconds and 5 git commands to generate.