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Bluetooth: Fix potential buffer overflow with Add Advertising
[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
9c176cec 41#define MGMT_REVISION 12
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
82a37ade
JH		 1385 if (changed) {
1386 /* In limited privacy mode the change of bondable mode
1387 * may affect the local advertising address.
1388 */
1389 if (hdev_is_powered(hdev) &&
1390 hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
1391 hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1392 hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY))
1393 queue_work(hdev->req_workqueue,
1394 &hdev->discoverable_update);
1395
55594356 1396 err = new_settings(hdev, sk);
82a37ade 1397 }
c542a06c 1398
55594356 1399unlock:
09fd0de5 1400 hci_dev_unlock(hdev);
c542a06c
JH		 1401 return err;
1402}
1403
04124681
GP		 1404static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1405 u16 len)
33ef95ed
JH		 1406{
1407 struct mgmt_mode *cp = data;
3b0602cd 1408 struct mgmt_pending_cmd *cmd;
e6fe7986 1409 u8 val, status;
33ef95ed
JH		 1410 int err;
1411
bdb6d971 1412 BT_DBG("request for %s", hdev->name);
33ef95ed 1413
e6fe7986
JH		 1414 status = mgmt_bredr_support(hdev);
1415 if (status)
a69e8375
JH		 1416 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1417 status);
33c525c0 1418
a7e80f25 1419 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1420 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1421 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1422
33ef95ed
JH		 1423 hci_dev_lock(hdev);
1424
4b34ee78 1425 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1426 bool changed = false;
1427
d7a5a11d 1428 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
ce05d603 1429 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
47990ea0
JH		 1430 changed = true;
1431 }
1432
1433 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1434 if (err < 0)
1435 goto failed;
1436
1437 if (changed)
1438 err = new_settings(hdev, sk);
1439
33ef95ed
JH		 1440 goto failed;
1441 }
1442
333ae95d 1443 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
a69e8375
JH		 1444 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1445 MGMT_STATUS_BUSY);
33ef95ed
JH		 1446 goto failed;
1447 }
1448
1449 val = !!cp->val;
1450
1451 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1452 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1453 goto failed;
1454 }
1455
1456 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1457 if (!cmd) {
1458 err = -ENOMEM;
1459 goto failed;
1460 }
1461
1462 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1463 if (err < 0) {
1464 mgmt_pending_remove(cmd);
1465 goto failed;
1466 }
1467
1468failed:
1469 hci_dev_unlock(hdev);
33ef95ed
JH		 1470 return err;
1471}
1472
bdb6d971 1473static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 1474{
1475 struct mgmt_mode *cp = data;
3b0602cd 1476 struct mgmt_pending_cmd *cmd;
72ef0c1a 1477 u8 status;
ed2c4ee3
JH		 1478 int err;
1479
bdb6d971 1480 BT_DBG("request for %s", hdev->name);
ed2c4ee3 1481
cdba5281
MH		 1482 status = mgmt_bredr_support(hdev);
1483 if (status)
a69e8375 1484 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
cdba5281 1485
13ecd8b6 1486 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 1487 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1488 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 1489
a7e80f25 1490 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1491 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1492 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1493
13ecd8b6 1494 hci_dev_lock(hdev);
6c8f12c1 1495
4b34ee78 1496 if (!hdev_is_powered(hdev)) {
9ecb3e24 1497 bool changed;
c0ecddc2 1498
9ecb3e24 1499 if (cp->val) {
238be788
MH		 1500 changed = !hci_dev_test_and_set_flag(hdev,
1501 HCI_SSP_ENABLED);
9ecb3e24 1502 } else {
a69d8927
MH		 1503 changed = hci_dev_test_and_clear_flag(hdev,
1504 HCI_SSP_ENABLED);
9ecb3e24 1505 if (!changed)
a69d8927
MH		 1506 changed = hci_dev_test_and_clear_flag(hdev,
1507 HCI_HS_ENABLED);
9ecb3e24 1508 else
a358dc11 1509 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
c0ecddc2
JH		 1510 }
1511
1512 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1513 if (err < 0)
1514 goto failed;
1515
1516 if (changed)
1517 err = new_settings(hdev, sk);
1518
ed2c4ee3
JH		 1519 goto failed;
1520 }
1521
333ae95d 1522 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 1523 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1524 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 1525 goto failed;
1526 }
1527
d7a5a11d 1528 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
ed2c4ee3
JH		 1529 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1530 goto failed;
1531 }
1532
1533 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
1534 if (!cmd) {
1535 err = -ENOMEM;
1536 goto failed;
1537 }
1538
d7a5a11d 1539 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 1540 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
1541 sizeof(cp->val), &cp->val);
1542
72ef0c1a 1543 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 1544 if (err < 0) {
1545 mgmt_pending_remove(cmd);
1546 goto failed;
1547 }
1548
1549failed:
1550 hci_dev_unlock(hdev);
ed2c4ee3
JH		 1551 return err;
1552}
1553
bdb6d971 1554static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 1555{
1556 struct mgmt_mode *cp = data;
ee392693 1557 bool changed;
e6fe7986 1558 u8 status;
ee392693 1559 int err;
6d80dfd0 1560
bdb6d971 1561 BT_DBG("request for %s", hdev->name);
6d80dfd0 1562
e6fe7986
JH		 1563 status = mgmt_bredr_support(hdev);
1564 if (status)
a69e8375 1565 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 1566
9ecb3e24 1567 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 1568 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1569 MGMT_STATUS_NOT_SUPPORTED);
9ecb3e24 1570
d7a5a11d 1571 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 1572 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1573 MGMT_STATUS_REJECTED);
9ecb3e24 1574
a7e80f25 1575 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1576 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1577 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1578
ee392693
MH		 1579 hci_dev_lock(hdev);
1580
333ae95d 1581 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 1582 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1583 MGMT_STATUS_BUSY);
a2cb01de
JH		 1584 goto unlock;
1585 }
1586
a0cdf960 1587 if (cp->val) {
238be788 1588 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
a0cdf960
MH		 1589 } else {
1590 if (hdev_is_powered(hdev)) {
a69e8375
JH		 1591 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1592 MGMT_STATUS_REJECTED);
a0cdf960
MH		 1593 goto unlock;
1594 }
1595
a69d8927 1596 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
a0cdf960 1597 }
ee392693
MH		 1598
1599 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
1600 if (err < 0)
1601 goto unlock;
1602
1603 if (changed)
1604 err = new_settings(hdev, sk);
6d80dfd0 1605
ee392693
MH		 1606unlock:
1607 hci_dev_unlock(hdev);
1608 return err;
6d80dfd0
JH		 1609}
1610
1904a853 1611static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
416a4ae5
JH		 1612{
1613 struct cmd_lookup match = { NULL, hdev };
1614
3ad67582
JK		 1615 hci_dev_lock(hdev);
1616
416a4ae5
JH		 1617 if (status) {
1618 u8 mgmt_err = mgmt_status(status);
1619
1620 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
1621 &mgmt_err);
3ad67582 1622 goto unlock;
416a4ae5
JH		 1623 }
1624
1625 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
1626
1627 new_settings(hdev, match.sk);
1628
1629 if (match.sk)
1630 sock_put(match.sk);
441ad2d0
MH		 1631
1632 /* Make sure the controller has a good default for
1633 * advertising data. Restrict the update to when LE
1634 * has actually been enabled. During power on, the
1635 * update in powered_update_hci will take care of it.
1636 */
d7a5a11d 1637 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
441ad2d0
MH		 1638 struct hci_request req;
1639
441ad2d0 1640 hci_req_init(&req, hdev);
cab054ab
JH		 1641 __hci_req_update_adv_data(&req, 0x00);
1642 __hci_req_update_scan_rsp_data(&req, 0x00);
441ad2d0 1643 hci_req_run(&req, NULL);
2e93e53b 1644 hci_update_background_scan(hdev);
441ad2d0 1645 }
3ad67582
JK		 1646
1647unlock:
1648 hci_dev_unlock(hdev);
416a4ae5
JH		 1649}
1650
bdb6d971 1651static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 1652{
1653 struct mgmt_mode *cp = data;
1654 struct hci_cp_write_le_host_supported hci_cp;
3b0602cd 1655 struct mgmt_pending_cmd *cmd;
416a4ae5 1656 struct hci_request req;
06199cf8 1657 int err;
0b60eba1 1658 u8 val, enabled;
06199cf8 1659
bdb6d971 1660 BT_DBG("request for %s", hdev->name);
06199cf8 1661
13ecd8b6 1662 if (!lmp_le_capable(hdev))
a69e8375
JH		 1663 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1664 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 1665
a7e80f25 1666 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1667 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1668 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1669
e7844ee5
MH		 1670 /* Bluetooth single mode LE only controllers or dual-mode
1671 * controllers configured as LE only devices, do not allow
1672 * switching LE off. These have either LE enabled explicitly
1673 * or BR/EDR has been previously switched off.
1674 *
1675 * When trying to enable an already enabled LE, then gracefully
1676 * send a positive response. Trying to disable it however will
1677 * result into rejection.
1678 */
1679 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
1680 if (cp->val == 0x01)
1681 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1682
a69e8375
JH		 1683 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1684 MGMT_STATUS_REJECTED);
e7844ee5 1685 }
c73eee91 1686
13ecd8b6 1687 hci_dev_lock(hdev);
06199cf8
JH		 1688
1689 val = !!cp->val;
ffa88e02 1690 enabled = lmp_host_le_capable(hdev);
06199cf8 1691
847818d9 1692 if (!val)
f2252570 1693 hci_req_clear_adv_instance(hdev, NULL, 0x00, true);
847818d9 1694
0b60eba1 1695 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 1696 bool changed = false;
1697
d7a5a11d 1698 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
ce05d603 1699 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
06199cf8
JH		 1700 changed = true;
1701 }
1702
d7a5a11d 1703 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
a358dc11 1704 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
eeca6f89
JH		 1705 changed = true;
1706 }
1707
06199cf8
JH		 1708 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1709 if (err < 0)
1de028ce 1710 goto unlock;
06199cf8
JH		 1711
1712 if (changed)
1713 err = new_settings(hdev, sk);
1714
1de028ce 1715 goto unlock;
06199cf8
JH		 1716 }
1717
333ae95d
JH		 1718 if (pending_find(MGMT_OP_SET_LE, hdev) ||
1719 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
a69e8375
JH		 1720 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1721 MGMT_STATUS_BUSY);
1de028ce 1722 goto unlock;
06199cf8
JH		 1723 }
1724
1725 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
1726 if (!cmd) {
1727 err = -ENOMEM;
1de028ce 1728 goto unlock;
06199cf8
JH		 1729 }
1730
441ad2d0
MH		 1731 hci_req_init(&req, hdev);
1732
06199cf8
JH		 1733 memset(&hci_cp, 0, sizeof(hci_cp));
1734
1735 if (val) {
1736 hci_cp.le = val;
32226e4f 1737 hci_cp.simul = 0x00;
441ad2d0 1738 } else {
d7a5a11d 1739 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
f2252570 1740 __hci_req_disable_advertising(&req);
06199cf8
JH		 1741 }
1742
416a4ae5
JH		 1743 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
1744 &hci_cp);
1745
1746 err = hci_req_run(&req, le_enable_complete);
0c01bc48 1747 if (err < 0)
06199cf8 1748 mgmt_pending_remove(cmd);
06199cf8 1749
1de028ce
JH		 1750unlock:
1751 hci_dev_unlock(hdev);
06199cf8
JH		 1752 return err;
1753}
1754
0cab9c80
JH		 1755/* This is a helper function to test for pending mgmt commands that can
1756 * cause CoD or EIR HCI commands. We can only allow one such pending
1757 * mgmt command at a time since otherwise we cannot easily track what
1758 * the current values are, will be, and based on that calculate if a new
1759 * HCI command needs to be sent and if yes with what value.
1760 */
1761static bool pending_eir_or_class(struct hci_dev *hdev)
1762{
3b0602cd 1763 struct mgmt_pending_cmd *cmd;
0cab9c80
JH		 1764
1765 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
1766 switch (cmd->opcode) {
1767 case MGMT_OP_ADD_UUID:
1768 case MGMT_OP_REMOVE_UUID:
1769 case MGMT_OP_SET_DEV_CLASS:
1770 case MGMT_OP_SET_POWERED:
1771 return true;
1772 }
1773 }
1774
1775 return false;
1776}
1777
83be8eca
JH		 1778static const u8 bluetooth_base_uuid[] = {
1779 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
1780 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1781};
1782
1783static u8 get_uuid_size(const u8 *uuid)
1784{
1785 u32 val;
1786
1787 if (memcmp(uuid, bluetooth_base_uuid, 12))
1788 return 128;
1789
1790 val = get_unaligned_le32(&uuid[12]);
1791 if (val > 0xffff)
1792 return 32;
1793
1794 return 16;
1795}
1796
92da6097
JH		 1797static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
1798{
3b0602cd 1799 struct mgmt_pending_cmd *cmd;
92da6097
JH		 1800
1801 hci_dev_lock(hdev);
1802
333ae95d 1803 cmd = pending_find(mgmt_op, hdev);
92da6097
JH		 1804 if (!cmd)
1805 goto unlock;
1806
2a1afb5a
JH		 1807 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
1808 mgmt_status(status), hdev->dev_class, 3);
92da6097
JH		 1809
1810 mgmt_pending_remove(cmd);
1811
1812unlock:
1813 hci_dev_unlock(hdev);
1814}
1815
1904a853 1816static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 1817{
1818 BT_DBG("status 0x%02x", status);
1819
1820 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
1821}
1822
bdb6d971 1823static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 1824{
650f726d 1825 struct mgmt_cp_add_uuid *cp = data;
3b0602cd 1826 struct mgmt_pending_cmd *cmd;
890ea898 1827 struct hci_request req;
2aeb9a1a 1828 struct bt_uuid *uuid;
2aeb9a1a
JH		 1829 int err;
1830
bdb6d971 1831 BT_DBG("request for %s", hdev->name);
2aeb9a1a 1832
09fd0de5 1833 hci_dev_lock(hdev);
2aeb9a1a 1834
0cab9c80 1835 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 1836 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
1837 MGMT_STATUS_BUSY);
c95f0ba7
JH		 1838 goto failed;
1839 }
1840
92c4c204 1841 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 1842 if (!uuid) {
1843 err = -ENOMEM;
1844 goto failed;
1845 }
1846
1847 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 1848 uuid->svc_hint = cp->svc_hint;
83be8eca 1849 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 1850
de66aa63 1851 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 1852
890ea898 1853 hci_req_init(&req, hdev);
1aff6f09 1854
14bf5eac 1855 __hci_req_update_class(&req);
b1a8917c 1856 __hci_req_update_eir(&req);
890ea898 1857
92da6097
JH		 1858 err = hci_req_run(&req, add_uuid_complete);
1859 if (err < 0) {
1860 if (err != -ENODATA)
1861 goto failed;
80a1e1db 1862
2a1afb5a
JH		 1863 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
1864 hdev->dev_class, 3);
90e70454
JH		 1865 goto failed;
1866 }
1867
1868 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 1869 if (!cmd) {
90e70454 1870 err = -ENOMEM;
890ea898
JH		 1871 goto failed;
1872 }
1873
1874 err = 0;
2aeb9a1a
JH		 1875
1876failed:
09fd0de5 1877 hci_dev_unlock(hdev);
2aeb9a1a
JH		 1878 return err;
1879}
1880
24b78d0f
JH		 1881static bool enable_service_cache(struct hci_dev *hdev)
1882{
1883 if (!hdev_is_powered(hdev))
1884 return false;
1885
238be788 1886 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
46818ed5
JH		 1887 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
1888 CACHE_TIMEOUT);
24b78d0f
JH		 1889 return true;
1890 }
1891
1892 return false;
1893}
1894
1904a853 1895static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 1896{
1897 BT_DBG("status 0x%02x", status);
1898
1899 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
1900}
1901
bdb6d971 1902static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 1903 u16 len)
2aeb9a1a 1904{
650f726d 1905 struct mgmt_cp_remove_uuid *cp = data;
3b0602cd 1906 struct mgmt_pending_cmd *cmd;
056341c8 1907 struct bt_uuid *match, *tmp;
2aeb9a1a 1908 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 1909 struct hci_request req;
2aeb9a1a
JH		 1910 int err, found;
1911
bdb6d971 1912 BT_DBG("request for %s", hdev->name);
2aeb9a1a 1913
09fd0de5 1914 hci_dev_lock(hdev);
2aeb9a1a 1915
0cab9c80 1916 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 1917 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1918 MGMT_STATUS_BUSY);
c95f0ba7
JH		 1919 goto unlock;
1920 }
1921
2aeb9a1a 1922 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 1923 hci_uuids_clear(hdev);
4004b6d9 1924
24b78d0f 1925 if (enable_service_cache(hdev)) {
2a1afb5a
JH		 1926 err = mgmt_cmd_complete(sk, hdev->id,
1927 MGMT_OP_REMOVE_UUID,
1928 0, hdev->dev_class, 3);
24b78d0f
JH		 1929 goto unlock;
1930 }
4004b6d9 1931
9246a869 1932 goto update_class;
2aeb9a1a
JH		 1933 }
1934
1935 found = 0;
1936
056341c8 1937 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 1938 if (memcmp(match->uuid, cp->uuid, 16) != 0)
1939 continue;
1940
1941 list_del(&match->list);
482049f7 1942 kfree(match);
2aeb9a1a
JH		 1943 found++;
1944 }
1945
1946 if (found == 0) {
a69e8375
JH		 1947 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1948 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 1949 goto unlock;
1950 }
1951
9246a869 1952update_class:
890ea898 1953 hci_req_init(&req, hdev);
1aff6f09 1954
14bf5eac 1955 __hci_req_update_class(&req);
b1a8917c 1956 __hci_req_update_eir(&req);
890ea898 1957
92da6097
JH		 1958 err = hci_req_run(&req, remove_uuid_complete);
1959 if (err < 0) {
1960 if (err != -ENODATA)
1961 goto unlock;
80a1e1db 1962
2a1afb5a
JH		 1963 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
1964 hdev->dev_class, 3);
90e70454
JH		 1965 goto unlock;
1966 }
1967
1968 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 1969 if (!cmd) {
90e70454 1970 err = -ENOMEM;
890ea898
JH		 1971 goto unlock;
1972 }
1973
1974 err = 0;
2aeb9a1a
JH		 1975
1976unlock:
09fd0de5 1977 hci_dev_unlock(hdev);
2aeb9a1a
JH		 1978 return err;
1979}
1980
1904a853 1981static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 1982{
1983 BT_DBG("status 0x%02x", status);
1984
1985 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
1986}
1987
bdb6d971 1988static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1989 u16 len)
1aff6f09 1990{
650f726d 1991 struct mgmt_cp_set_dev_class *cp = data;
3b0602cd 1992 struct mgmt_pending_cmd *cmd;
890ea898 1993 struct hci_request req;
1aff6f09
JH		 1994 int err;
1995
bdb6d971 1996 BT_DBG("request for %s", hdev->name);
1aff6f09 1997
6203fc98 1998 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 1999 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2000 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2001
0cab9c80 2002 hci_dev_lock(hdev);
ee98f473 2003
0cab9c80 2004 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2005 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2006 MGMT_STATUS_BUSY);
0cab9c80
JH		 2007 goto unlock;
2008 }
c95f0ba7 2009
0cab9c80 2010 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
a69e8375
JH		 2011 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2012 MGMT_STATUS_INVALID_PARAMS);
0cab9c80
JH		 2013 goto unlock;
2014 }
575b3a02 2015
932f5ff5
JH		 2016 hdev->major_class = cp->major;
2017 hdev->minor_class = cp->minor;
2018
b5235a65 2019 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2020 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2021 hdev->dev_class, 3);
b5235a65
JH		 2022 goto unlock;
2023 }
2024
890ea898
JH		 2025 hci_req_init(&req, hdev);
2026
a69d8927 2027 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
7d78525d
JH		 2028 hci_dev_unlock(hdev);
2029 cancel_delayed_work_sync(&hdev->service_cache);
2030 hci_dev_lock(hdev);
b1a8917c 2031 __hci_req_update_eir(&req);
7d78525d 2032 }
14c0b608 2033
14bf5eac 2034 __hci_req_update_class(&req);
890ea898 2035
92da6097
JH		 2036 err = hci_req_run(&req, set_class_complete);
2037 if (err < 0) {
2038 if (err != -ENODATA)
2039 goto unlock;
1aff6f09 2040
2a1afb5a
JH		 2041 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2042 hdev->dev_class, 3);
90e70454
JH		 2043 goto unlock;
2044 }
2045
2046 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2047 if (!cmd) {
90e70454 2048 err = -ENOMEM;
890ea898
JH		 2049 goto unlock;
2050 }
2051
2052 err = 0;
1aff6f09 2053
b5235a65 2054unlock:
09fd0de5 2055 hci_dev_unlock(hdev);
1aff6f09
JH		 2056 return err;
2057}
2058
bdb6d971 2059static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2060 u16 len)
55ed8ca1 2061{
650f726d 2062 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2063 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2064 sizeof(struct mgmt_link_key_info));
4e51eae9 2065 u16 key_count, expected_len;
b1de97d8 2066 bool changed;
a492cd52 2067 int i;
55ed8ca1 2068
9060d5cf
MH		 2069 BT_DBG("request for %s", hdev->name);
2070
2071 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2072 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2073 MGMT_STATUS_NOT_SUPPORTED);
9060d5cf 2074
1f350c87 2075 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2076 if (key_count > max_key_count) {
2077 BT_ERR("load_link_keys: too big key_count value %u",
2078 key_count);
a69e8375
JH		 2079 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2080 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 2081 }
55ed8ca1 2082
86742e1e
JH		 2083 expected_len = sizeof(*cp) + key_count *
2084 sizeof(struct mgmt_link_key_info);
a492cd52 2085 if (expected_len != len) {
86742e1e 2086 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2087 expected_len, len);
a69e8375
JH		 2088 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2089 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2090 }
2091
4ae14301 2092 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
a69e8375
JH		 2093 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2094 MGMT_STATUS_INVALID_PARAMS);
4ae14301 2095
bdb6d971 2096 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2097 key_count);
55ed8ca1 2098
4ee71b20
JH		 2099 for (i = 0; i < key_count; i++) {
2100 struct mgmt_link_key_info *key = &cp->keys[i];
2101
8e991132 2102 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
a69e8375
JH		 2103 return mgmt_cmd_status(sk, hdev->id,
2104 MGMT_OP_LOAD_LINK_KEYS,
2105 MGMT_STATUS_INVALID_PARAMS);
4ee71b20
JH		 2106 }
2107
09fd0de5 2108 hci_dev_lock(hdev);
55ed8ca1
JH		 2109
2110 hci_link_keys_clear(hdev);
2111
55ed8ca1 2112 if (cp->debug_keys)
238be788 2113 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
55ed8ca1 2114 else
a69d8927
MH		 2115 changed = hci_dev_test_and_clear_flag(hdev,
2116 HCI_KEEP_DEBUG_KEYS);
b1de97d8
MH		 2117
2118 if (changed)
2119 new_settings(hdev, NULL);
55ed8ca1 2120
a492cd52 2121 for (i = 0; i < key_count; i++) {
86742e1e 2122 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2123
58e9293c
JH		 2124 /* Always ignore debug keys and require a new pairing if
2125 * the user wants to use them.
2126 */
2127 if (key->type == HCI_LK_DEBUG_COMBINATION)
2128 continue;
2129
7652ff6a
JH		 2130 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2131 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2132 }
2133
2a1afb5a 2134 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2135
09fd0de5 2136 hci_dev_unlock(hdev);
55ed8ca1 2137
a492cd52 2138 return 0;
55ed8ca1
JH		 2139}
2140
b1078ad0 2141static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2142 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2143{
2144 struct mgmt_ev_device_unpaired ev;
2145
2146 bacpy(&ev.addr.bdaddr, bdaddr);
2147 ev.addr.type = addr_type;
2148
2149 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2150 skip_sk);
b1078ad0
JH		 2151}
2152
bdb6d971 2153static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2154 u16 len)
55ed8ca1 2155{
124f6e35
JH		 2156 struct mgmt_cp_unpair_device *cp = data;
2157 struct mgmt_rp_unpair_device rp;
fc64361a 2158 struct hci_conn_params *params;
3b0602cd 2159 struct mgmt_pending_cmd *cmd;
55ed8ca1 2160 struct hci_conn *conn;
ec182f03 2161 u8 addr_type;
55ed8ca1
JH		 2162 int err;
2163
a8a1d19e 2164 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2165 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2166 rp.addr.type = cp->addr.type;
a8a1d19e 2167
4ee71b20 2168 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2169 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2170 MGMT_STATUS_INVALID_PARAMS,
2171 &rp, sizeof(rp));
4ee71b20 2172
118da70b 2173 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2a1afb5a
JH		 2174 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2175 MGMT_STATUS_INVALID_PARAMS,
2176 &rp, sizeof(rp));
118da70b 2177
4ee71b20
JH		 2178 hci_dev_lock(hdev);
2179
86a8cfc6 2180 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2181 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2182 MGMT_STATUS_NOT_POWERED, &rp,
2183 sizeof(rp));
86a8cfc6
JH		 2184 goto unlock;
2185 }
2186
e0b2b27e 2187 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 2188 /* If disconnection is requested, then look up the
2189 * connection. If the remote device is connected, it
2190 * will be later used to terminate the link.
2191 *
2192 * Setting it to NULL explicitly will cause no
2193 * termination of the link.
2194 */
2195 if (cp->disconnect)
2196 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2197 &cp->addr.bdaddr);
2198 else
2199 conn = NULL;
2200
124f6e35 2201 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
ec182f03
JH		 2202 if (err < 0) {
2203 err = mgmt_cmd_complete(sk, hdev->id,
2204 MGMT_OP_UNPAIR_DEVICE,
2205 MGMT_STATUS_NOT_PAIRED, &rp,
2206 sizeof(rp));
2207 goto unlock;
89cbb063
AA		 2208 }
2209
ec182f03 2210 goto done;
e0b2b27e 2211 }
b0dbfb46 2212
ec182f03
JH		 2213 /* LE address type */
2214 addr_type = le_addr_type(cp->addr.type);
2215
2216 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2217
2218 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
55ed8ca1 2219 if (err < 0) {
2a1afb5a
JH		 2220 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2221 MGMT_STATUS_NOT_PAIRED, &rp,
2222 sizeof(rp));
55ed8ca1
JH		 2223 goto unlock;
2224 }
2225
ec182f03
JH		 2226 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type);
2227 if (!conn) {
2228 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2229 goto done;
2230 }
2231
c81d555a
JH		 2232 /* Abort any ongoing SMP pairing */
2233 smp_cancel_pairing(conn);
2234
ec182f03
JH		 2235 /* Defer clearing up the connection parameters until closing to
2236 * give a chance of keeping them if a repairing happens.
2237 */
2238 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
2239
fc64361a
JH		 2240 /* Disable auto-connection parameters if present */
2241 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type);
2242 if (params) {
2243 if (params->explicit_connect)
2244 params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
2245 else
2246 params->auto_connect = HCI_AUTO_CONN_DISABLED;
2247 }
2248
ec182f03
JH		 2249 /* If disconnection is not requested, then clear the connection
2250 * variable so that the link is not terminated.
2251 */
2252 if (!cp->disconnect)
2253 conn = NULL;
2254
2255done:
89cbb063
AA		 2256 /* If the connection variable is set, then termination of the
2257 * link is requested.
2258 */
a8a1d19e 2259 if (!conn) {
2a1afb5a
JH		 2260 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
2261 &rp, sizeof(rp));
b1078ad0 2262 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2263 goto unlock;
2264 }
55ed8ca1 2265
124f6e35 2266 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2267 sizeof(*cp));
a8a1d19e
JH		 2268 if (!cmd) {
2269 err = -ENOMEM;
2270 goto unlock;
55ed8ca1
JH		 2271 }
2272
d8b7b1e4
JH		 2273 cmd->cmd_complete = addr_cmd_complete;
2274
89e0ccc8 2275 err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
a8a1d19e
JH		 2276 if (err < 0)
2277 mgmt_pending_remove(cmd);
2278
55ed8ca1 2279unlock:
09fd0de5 2280 hci_dev_unlock(hdev);
55ed8ca1
JH		 2281 return err;
2282}
2283
bdb6d971 2284static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2285 u16 len)
8962ee74 2286{
650f726d 2287 struct mgmt_cp_disconnect *cp = data;
06a63b19 2288 struct mgmt_rp_disconnect rp;
3b0602cd 2289 struct mgmt_pending_cmd *cmd;
8962ee74 2290 struct hci_conn *conn;
8962ee74
JH		 2291 int err;
2292
2293 BT_DBG("");
2294
06a63b19
JH		 2295 memset(&rp, 0, sizeof(rp));
2296 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2297 rp.addr.type = cp->addr.type;
2298
4ee71b20 2299 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2300 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2301 MGMT_STATUS_INVALID_PARAMS,
2302 &rp, sizeof(rp));
4ee71b20 2303
09fd0de5 2304 hci_dev_lock(hdev);
8962ee74
JH		 2305
2306 if (!test_bit(HCI_UP, &hdev->flags)) {
2a1afb5a
JH		 2307 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2308 MGMT_STATUS_NOT_POWERED, &rp,
2309 sizeof(rp));
8962ee74
JH		 2310 goto failed;
2311 }
2312
333ae95d 2313 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
2a1afb5a
JH		 2314 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2315 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2316 goto failed;
2317 }
2318
591f47f3 2319 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2320 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2321 &cp->addr.bdaddr);
88c3df13 2322 else
9d4c1cc1
JH		 2323 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
2324 le_addr_type(cp->addr.type));
365227e5 2325
f960727e 2326 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
2a1afb5a
JH		 2327 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2328 MGMT_STATUS_NOT_CONNECTED, &rp,
2329 sizeof(rp));
8962ee74
JH		 2330 goto failed;
2331 }
2332
2e58ef3e 2333 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2334 if (!cmd) {
2335 err = -ENOMEM;
8962ee74 2336 goto failed;
366a0336 2337 }
8962ee74 2338
f5818c22
JH		 2339 cmd->cmd_complete = generic_cmd_complete;
2340
e3f2f92a 2341 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 2342 if (err < 0)
a664b5bc 2343 mgmt_pending_remove(cmd);
8962ee74
JH		 2344
2345failed:
09fd0de5 2346 hci_dev_unlock(hdev);
8962ee74
JH		 2347 return err;
2348}
2349
57c1477c 2350static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2351{
2352 switch (link_type) {
2353 case LE_LINK:
48264f06
JH		 2354 switch (addr_type) {
2355 case ADDR_LE_DEV_PUBLIC:
591f47f3 2356 return BDADDR_LE_PUBLIC;
0ed09148 2357
48264f06 2358 default:
0ed09148 2359 /* Fallback to LE Random address type */
591f47f3 2360 return BDADDR_LE_RANDOM;
48264f06 2361 }
0ed09148 2362
4c659c39 2363 default:
0ed09148 2364 /* Fallback to BR/EDR type */
591f47f3 2365 return BDADDR_BREDR;
4c659c39
JH		 2366 }
2367}
2368
04124681
GP		 2369static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2370 u16 data_len)
2784eb41 2371{
2784eb41 2372 struct mgmt_rp_get_connections *rp;
8035ded4 2373 struct hci_conn *c;
a38528f1 2374 size_t rp_len;
60fc5fb6
JH		 2375 int err;
2376 u16 i;
2784eb41
JH		 2377
2378 BT_DBG("");
2379
09fd0de5 2380 hci_dev_lock(hdev);
2784eb41 2381
5f97c1df 2382 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2383 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
2384 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2385 goto unlock;
2386 }
2387
60fc5fb6 2388 i = 0;
b644ba33
JH		 2389 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2390 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2391 i++;
2784eb41
JH		 2392 }
2393
60fc5fb6 2394 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2395 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2396 if (!rp) {
2784eb41
JH		 2397 err = -ENOMEM;
2398 goto unlock;
2399 }
2400
2784eb41 2401 i = 0;
4c659c39 2402 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2403 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2404 continue;
4c659c39 2405 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2406 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2407 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2408 continue;
2409 i++;
2410 }
2411
eb55ef07 2412 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2413
4c659c39
JH		 2414 /* Recalculate length in case of filtered SCO connections, etc */
2415 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2416
2a1afb5a
JH		 2417 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
2418 rp_len);
2784eb41 2419
a38528f1 2420 kfree(rp);
5f97c1df
JH		 2421
2422unlock:
09fd0de5 2423 hci_dev_unlock(hdev);
2784eb41
JH		 2424 return err;
2425}
2426
bdb6d971 2427static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2428 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67 2429{
3b0602cd 2430 struct mgmt_pending_cmd *cmd;
96d97a67
WR		 2431 int err;
2432
2e58ef3e 2433 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2434 sizeof(*cp));
96d97a67
WR		 2435 if (!cmd)
2436 return -ENOMEM;
2437
d8457698 2438 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2439 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2440 if (err < 0)
2441 mgmt_pending_remove(cmd);
2442
2443 return err;
2444}
2445
bdb6d971 2446static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2447 u16 len)
980e1a53 2448{
96d97a67 2449 struct hci_conn *conn;
650f726d 2450 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2451 struct hci_cp_pin_code_reply reply;
3b0602cd 2452 struct mgmt_pending_cmd *cmd;
980e1a53
JH		 2453 int err;
2454
2455 BT_DBG("");
2456
09fd0de5 2457 hci_dev_lock(hdev);
980e1a53 2458
4b34ee78 2459 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2460 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2461 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2462 goto failed;
2463 }
2464
d8457698 2465 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2466 if (!conn) {
a69e8375
JH		 2467 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2468 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2469 goto failed;
2470 }
2471
2472 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2473 struct mgmt_cp_pin_code_neg_reply ncp;
2474
2475 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2476
2477 BT_ERR("PIN code is not 16 bytes long");
2478
bdb6d971 2479 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2480 if (err >= 0)
a69e8375
JH		 2481 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2482 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 2483
2484 goto failed;
2485 }
2486
00abfe44 2487 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 2488 if (!cmd) {
2489 err = -ENOMEM;
980e1a53 2490 goto failed;
366a0336 2491 }
980e1a53 2492
7776d1d8
JH		 2493 cmd->cmd_complete = addr_cmd_complete;
2494
d8457698 2495 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2496 reply.pin_len = cp->pin_len;
24718ca5 2497 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 2498
2499 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2500 if (err < 0)
a664b5bc 2501 mgmt_pending_remove(cmd);
980e1a53
JH		 2502
2503failed:
09fd0de5 2504 hci_dev_unlock(hdev);
980e1a53
JH		 2505 return err;
2506}
2507
04124681
GP		 2508static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
2509 u16 len)
17fa4b9d 2510{
650f726d 2511 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 2512
2513 BT_DBG("");
2514
4ec86d4c 2515 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 2516 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
2517 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
4ec86d4c 2518
09fd0de5 2519 hci_dev_lock(hdev);
17fa4b9d
JH		 2520
2521 hdev->io_capability = cp->io_capability;
2522
2523 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 2524 hdev->io_capability);
17fa4b9d 2525
09fd0de5 2526 hci_dev_unlock(hdev);
17fa4b9d 2527
2a1afb5a
JH		 2528 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
2529 NULL, 0);
17fa4b9d
JH		 2530}
2531
3b0602cd 2532static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 2533{
2534 struct hci_dev *hdev = conn->hdev;
3b0602cd 2535 struct mgmt_pending_cmd *cmd;
e9a416b5 2536
2e58ef3e 2537 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 2538 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
2539 continue;
2540
e9a416b5
JH		 2541 if (cmd->user_data != conn)
2542 continue;
2543
2544 return cmd;
2545 }
2546
2547 return NULL;
2548}
2549
3b0602cd 2550static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
e9a416b5
JH		 2551{
2552 struct mgmt_rp_pair_device rp;
2553 struct hci_conn *conn = cmd->user_data;
9df74653 2554 int err;
e9a416b5 2555
61b1a7fb
JH		 2556 bacpy(&rp.addr.bdaddr, &conn->dst);
2557 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 2558
2a1afb5a
JH		 2559 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
2560 status, &rp, sizeof(rp));
e9a416b5
JH		 2561
2562 /* So we don't get further callbacks for this connection */
2563 conn->connect_cfm_cb = NULL;
2564 conn->security_cfm_cb = NULL;
2565 conn->disconn_cfm_cb = NULL;
2566
76a68ba0 2567 hci_conn_drop(conn);
89cbb063
AA		 2568
2569 /* The device is paired so there is no need to remove
2570 * its connection parameters anymore.
2571 */
2572 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
15013aeb
JH		 2573
2574 hci_conn_put(conn);
9df74653
JH		 2575
2576 return err;
e9a416b5
JH		 2577}
2578
f4a407be
JH		 2579void mgmt_smp_complete(struct hci_conn *conn, bool complete)
2580{
2581 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3b0602cd 2582 struct mgmt_pending_cmd *cmd;
f4a407be
JH		 2583
2584 cmd = find_pairing(conn);
a511b35b 2585 if (cmd) {
04ab2749 2586 cmd->cmd_complete(cmd, status);
a511b35b
JH		 2587 mgmt_pending_remove(cmd);
2588 }
f4a407be
JH		 2589}
2590
e9a416b5
JH		 2591static void pairing_complete_cb(struct hci_conn *conn, u8 status)
2592{
3b0602cd 2593 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 2594
2595 BT_DBG("status %u", status);
2596
2597 cmd = find_pairing(conn);
a511b35b 2598 if (!cmd) {
e9a416b5 2599 BT_DBG("Unable to find a pending command");
a511b35b
JH		 2600 return;
2601 }
2602
2603 cmd->cmd_complete(cmd, mgmt_status(status));
2604 mgmt_pending_remove(cmd);
e9a416b5
JH		 2605}
2606
f4a407be 2607static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739 2608{
3b0602cd 2609 struct mgmt_pending_cmd *cmd;
4c47d739
VA		 2610
2611 BT_DBG("status %u", status);
2612
2613 if (!status)
2614 return;
2615
2616 cmd = find_pairing(conn);
a511b35b 2617 if (!cmd) {
4c47d739 2618 BT_DBG("Unable to find a pending command");
a511b35b
JH		 2619 return;
2620 }
2621
2622 cmd->cmd_complete(cmd, mgmt_status(status));
2623 mgmt_pending_remove(cmd);
4c47d739
VA		 2624}
2625
bdb6d971 2626static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2627 u16 len)
e9a416b5 2628{
650f726d 2629 struct mgmt_cp_pair_device *cp = data;
1425acb7 2630 struct mgmt_rp_pair_device rp;
3b0602cd 2631 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 2632 u8 sec_level, auth_type;
2633 struct hci_conn *conn;
e9a416b5
JH		 2634 int err;
2635
2636 BT_DBG("");
2637
f950a30e
SJ		 2638 memset(&rp, 0, sizeof(rp));
2639 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2640 rp.addr.type = cp->addr.type;
2641
4ee71b20 2642 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2643 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2644 MGMT_STATUS_INVALID_PARAMS,
2645 &rp, sizeof(rp));
4ee71b20 2646
4ec86d4c 2647 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 2648 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2649 MGMT_STATUS_INVALID_PARAMS,
2650 &rp, sizeof(rp));
4ec86d4c 2651
09fd0de5 2652 hci_dev_lock(hdev);
e9a416b5 2653
5f97c1df 2654 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2655 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2656 MGMT_STATUS_NOT_POWERED, &rp,
2657 sizeof(rp));
5f97c1df
JH		 2658 goto unlock;
2659 }
2660
55e76b38
JH		 2661 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
2662 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2663 MGMT_STATUS_ALREADY_PAIRED, &rp,
2664 sizeof(rp));
2665 goto unlock;
2666 }
2667
c908df36 2668 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 2669 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 2670
6f77d8c7 2671 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 2672 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
2673 auth_type);
6f77d8c7 2674 } else {
85813a7e 2675 u8 addr_type = le_addr_type(cp->addr.type);
5157b8a5 2676 struct hci_conn_params *p;
6f77d8c7 2677
7c264b10
MH		 2678 /* When pairing a new device, it is expected to remember
2679 * this device for future connections. Adding the connection
2680 * parameter information ahead of time allows tracking
2681 * of the slave preferred values and will speed up any
2682 * further connection establishment.
2683 *
2684 * If connection parameters already exist, then they
2685 * will be kept and this function does nothing.
2686 */
5157b8a5
JP		 2687 p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
2688
2689 if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
2690 p->auto_connect = HCI_AUTO_CONN_DISABLED;
7c264b10 2691
fa142220
JP		 2692 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
2693 addr_type, sec_level,
0ad06aa6 2694 HCI_LE_CONN_TIMEOUT);
6f77d8c7 2695 }
7a512d01 2696
30e76272 2697 if (IS_ERR(conn)) {
489dc48e
AK		 2698 int status;
2699
2700 if (PTR_ERR(conn) == -EBUSY)
2701 status = MGMT_STATUS_BUSY;
faa81030
LR		 2702 else if (PTR_ERR(conn) == -EOPNOTSUPP)
2703 status = MGMT_STATUS_NOT_SUPPORTED;
2704 else if (PTR_ERR(conn) == -ECONNREFUSED)
2705 status = MGMT_STATUS_REJECTED;
489dc48e
AK		 2706 else
2707 status = MGMT_STATUS_CONNECT_FAILED;
2708
2a1afb5a
JH		 2709 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2710 status, &rp, sizeof(rp));
e9a416b5
JH		 2711 goto unlock;
2712 }
2713
2714 if (conn->connect_cfm_cb) {
76a68ba0 2715 hci_conn_drop(conn);
2a1afb5a
JH		 2716 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2717 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 2718 goto unlock;
2719 }
2720
2e58ef3e 2721 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 2722 if (!cmd) {
2723 err = -ENOMEM;
76a68ba0 2724 hci_conn_drop(conn);
e9a416b5
JH		 2725 goto unlock;
2726 }
2727
04ab2749
JH		 2728 cmd->cmd_complete = pairing_complete;
2729
7a512d01 2730 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 2731 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 2732 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 2733 conn->security_cfm_cb = pairing_complete_cb;
2734 conn->disconn_cfm_cb = pairing_complete_cb;
2735 } else {
2736 conn->connect_cfm_cb = le_pairing_complete_cb;
2737 conn->security_cfm_cb = le_pairing_complete_cb;
2738 conn->disconn_cfm_cb = le_pairing_complete_cb;
2739 }
7a512d01 2740
e9a416b5 2741 conn->io_capability = cp->io_cap;
f8aaf9b6 2742 cmd->user_data = hci_conn_get(conn);
e9a416b5 2743
6f78fd4b 2744 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
a511b35b
JH		 2745 hci_conn_security(conn, sec_level, auth_type, true)) {
2746 cmd->cmd_complete(cmd, 0);
2747 mgmt_pending_remove(cmd);
2748 }
e9a416b5
JH		 2749
2750 err = 0;
2751
2752unlock:
09fd0de5 2753 hci_dev_unlock(hdev);
e9a416b5
JH		 2754 return err;
2755}
2756
04124681
GP		 2757static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
2758 u16 len)
28424707 2759{
0f4e68cf 2760 struct mgmt_addr_info *addr = data;
3b0602cd 2761 struct mgmt_pending_cmd *cmd;
28424707
JH		 2762 struct hci_conn *conn;
2763 int err;
2764
2765 BT_DBG("");
2766
28424707
JH		 2767 hci_dev_lock(hdev);
2768
5f97c1df 2769 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2770 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2771 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2772 goto unlock;
2773 }
2774
333ae95d 2775 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
28424707 2776 if (!cmd) {
a69e8375
JH		 2777 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2778 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 2779 goto unlock;
2780 }
2781
2782 conn = cmd->user_data;
2783
2784 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
a69e8375
JH		 2785 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2786 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 2787 goto unlock;
2788 }
2789
a511b35b
JH		 2790 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
2791 mgmt_pending_remove(cmd);
28424707 2792
2a1afb5a
JH		 2793 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
2794 addr, sizeof(*addr));
28424707
JH		 2795unlock:
2796 hci_dev_unlock(hdev);
28424707
JH		 2797 return err;
2798}
2799
bdb6d971 2800static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 2801 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 2802 u16 hci_op, __le32 passkey)
a5c29683 2803{
3b0602cd 2804 struct mgmt_pending_cmd *cmd;
0df4c185 2805 struct hci_conn *conn;
a5c29683
JH		 2806 int err;
2807
09fd0de5 2808 hci_dev_lock(hdev);
08ba5382 2809
4b34ee78 2810 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2811 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2812 MGMT_STATUS_NOT_POWERED, addr,
2813 sizeof(*addr));
0df4c185 2814 goto done;
a5c29683
JH		 2815 }
2816
1707c60e
JH		 2817 if (addr->type == BDADDR_BREDR)
2818 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 2819 else
9d4c1cc1
JH		 2820 conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr,
2821 le_addr_type(addr->type));
272d90df
JH		 2822
2823 if (!conn) {
2a1afb5a
JH		 2824 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2825 MGMT_STATUS_NOT_CONNECTED, addr,
2826 sizeof(*addr));
272d90df
JH		 2827 goto done;
2828 }
47c15e2b 2829
1707c60e 2830 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 2831 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 2832 if (!err)
2a1afb5a
JH		 2833 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2834 MGMT_STATUS_SUCCESS, addr,
2835 sizeof(*addr));
5fe57d9e 2836 else
2a1afb5a
JH		 2837 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2838 MGMT_STATUS_FAILED, addr,
2839 sizeof(*addr));
47c15e2b 2840
47c15e2b
BG		 2841 goto done;
2842 }
2843
1707c60e 2844 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 2845 if (!cmd) {
2846 err = -ENOMEM;
0df4c185 2847 goto done;
a5c29683
JH		 2848 }
2849
7776d1d8
JH		 2850 cmd->cmd_complete = addr_cmd_complete;
2851
0df4c185 2852 /* Continue with pairing via HCI */
604086b7
BG		 2853 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
2854 struct hci_cp_user_passkey_reply cp;
2855
1707c60e 2856 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 2857 cp.passkey = passkey;
2858 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
2859 } else
1707c60e
JH		 2860 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
2861 &addr->bdaddr);
604086b7 2862
a664b5bc
JH		 2863 if (err < 0)
2864 mgmt_pending_remove(cmd);
a5c29683 2865
0df4c185 2866done:
09fd0de5 2867 hci_dev_unlock(hdev);
a5c29683
JH		 2868 return err;
2869}
2870
afeb019d
JK		 2871static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
2872 void *data, u16 len)
2873{
2874 struct mgmt_cp_pin_code_neg_reply *cp = data;
2875
2876 BT_DBG("");
2877
1707c60e 2878 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 2879 MGMT_OP_PIN_CODE_NEG_REPLY,
2880 HCI_OP_PIN_CODE_NEG_REPLY, 0);
2881}
2882
04124681
GP		 2883static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2884 u16 len)
0df4c185 2885{
650f726d 2886 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 2887
2888 BT_DBG("");
2889
2890 if (len != sizeof(*cp))
a69e8375
JH		 2891 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
2892 MGMT_STATUS_INVALID_PARAMS);
0df4c185 2893
1707c60e 2894 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2895 MGMT_OP_USER_CONFIRM_REPLY,
2896 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 2897}
2898
bdb6d971 2899static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2900 void *data, u16 len)
0df4c185 2901{
c9c2659f 2902 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 2903
2904 BT_DBG("");
2905
1707c60e 2906 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2907 MGMT_OP_USER_CONFIRM_NEG_REPLY,
2908 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 2909}
2910
04124681
GP		 2911static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2912 u16 len)
604086b7 2913{
650f726d 2914 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 2915
2916 BT_DBG("");
2917
1707c60e 2918 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2919 MGMT_OP_USER_PASSKEY_REPLY,
2920 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 2921}
2922
bdb6d971 2923static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2924 void *data, u16 len)
604086b7 2925{
650f726d 2926 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 2927
2928 BT_DBG("");
2929
1707c60e 2930 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2931 MGMT_OP_USER_PASSKEY_NEG_REPLY,
2932 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 2933}
2934
1904a853 2935static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
13928971
JH		 2936{
2937 struct mgmt_cp_set_local_name *cp;
3b0602cd 2938 struct mgmt_pending_cmd *cmd;
13928971
JH		 2939
2940 BT_DBG("status 0x%02x", status);
2941
2942 hci_dev_lock(hdev);
2943
333ae95d 2944 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 2945 if (!cmd)
2946 goto unlock;
2947
2948 cp = cmd->param;
2949
2950 if (status)
a69e8375
JH		 2951 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
2952 mgmt_status(status));
13928971 2953 else
2a1afb5a
JH		 2954 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2955 cp, sizeof(*cp));
13928971
JH		 2956
2957 mgmt_pending_remove(cmd);
2958
2959unlock:
2960 hci_dev_unlock(hdev);
2961}
2962
bdb6d971 2963static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2964 u16 len)
b312b161 2965{
2b4bf397 2966 struct mgmt_cp_set_local_name *cp = data;
3b0602cd 2967 struct mgmt_pending_cmd *cmd;
890ea898 2968 struct hci_request req;
b312b161
JH		 2969 int err;
2970
2971 BT_DBG("");
2972
09fd0de5 2973 hci_dev_lock(hdev);
b312b161 2974
b3f2ca94
JH		 2975 /* If the old values are the same as the new ones just return a
2976 * direct command complete event.
2977 */
2978 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
2979 !memcmp(hdev->short_name, cp->short_name,
2980 sizeof(hdev->short_name))) {
2a1afb5a
JH		 2981 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2982 data, len);
b3f2ca94
JH		 2983 goto failed;
2984 }
2985
2b4bf397 2986 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 2987
b5235a65 2988 if (!hdev_is_powered(hdev)) {
2b4bf397 2989 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde 2990
2a1afb5a
JH		 2991 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2992 data, len);
28cc7bde
JH		 2993 if (err < 0)
2994 goto failed;
2995
f6b7712e
MH		 2996 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
2997 data, len, sk);
28cc7bde 2998
b5235a65
JH		 2999 goto failed;
3000 }
3001
28cc7bde 3002 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3003 if (!cmd) {
3004 err = -ENOMEM;
3005 goto failed;
3006 }
3007
13928971
JH		 3008 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3009
890ea898 3010 hci_req_init(&req, hdev);
3f985050
JH		 3011
3012 if (lmp_bredr_capable(hdev)) {
00cf5040 3013 __hci_req_update_name(&req);
b1a8917c 3014 __hci_req_update_eir(&req);
3f985050
JH		 3015 }
3016
7a5f4990
MH		 3017 /* The name is stored in the scan response data and so
3018 * no need to udpate the advertising data here.
3019 */
3f985050 3020 if (lmp_le_capable(hdev))
cab054ab 3021 __hci_req_update_scan_rsp_data(&req, hdev->cur_adv_instance);
3f985050 3022
13928971 3023 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3024 if (err < 0)
3025 mgmt_pending_remove(cmd);
3026
3027failed:
09fd0de5 3028 hci_dev_unlock(hdev);
b312b161
JH		 3029 return err;
3030}
3031
1b9441f8
JH		 3032static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3033 u16 opcode, struct sk_buff *skb)
3034{
3035 struct mgmt_rp_read_local_oob_data mgmt_rp;
3036 size_t rp_size = sizeof(mgmt_rp);
3037 struct mgmt_pending_cmd *cmd;
3038
3039 BT_DBG("%s status %u", hdev->name, status);
3040
3041 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3042 if (!cmd)
3043 return;
3044
3045 if (status || !skb) {
3046 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3047 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3048 goto remove;
3049 }
3050
3051 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3052
3053 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3054 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3055
3056 if (skb->len < sizeof(*rp)) {
3057 mgmt_cmd_status(cmd->sk, hdev->id,
3058 MGMT_OP_READ_LOCAL_OOB_DATA,
3059 MGMT_STATUS_FAILED);
3060 goto remove;
3061 }
3062
3063 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3064 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3065
3066 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3067 } else {
3068 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3069
3070 if (skb->len < sizeof(*rp)) {
3071 mgmt_cmd_status(cmd->sk, hdev->id,
3072 MGMT_OP_READ_LOCAL_OOB_DATA,
3073 MGMT_STATUS_FAILED);
3074 goto remove;
3075 }
3076
3077 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3078 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3079
3080 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3081 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3082 }
3083
3084 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3085 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3086
3087remove:
3088 mgmt_pending_remove(cmd);
3089}
3090
0f4e68cf 3091static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3092 void *data, u16 data_len)
c35938b2 3093{
3b0602cd 3094 struct mgmt_pending_cmd *cmd;
1b9441f8 3095 struct hci_request req;
c35938b2
SJ		 3096 int err;
3097
bdb6d971 3098 BT_DBG("%s", hdev->name);
c35938b2 3099
09fd0de5 3100 hci_dev_lock(hdev);
c35938b2 3101
4b34ee78 3102 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3103 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3104 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3105 goto unlock;
3106 }
3107
9a1a1996 3108 if (!lmp_ssp_capable(hdev)) {
a69e8375
JH		 3109 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3110 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3111 goto unlock;
3112 }
3113
333ae95d 3114 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
a69e8375
JH		 3115 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3116 MGMT_STATUS_BUSY);
c35938b2
SJ		 3117 goto unlock;
3118 }
3119
2e58ef3e 3120 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3121 if (!cmd) {
3122 err = -ENOMEM;
3123 goto unlock;
3124 }
3125
1b9441f8
JH		 3126 hci_req_init(&req, hdev);
3127
710f11c0 3128 if (bredr_sc_enabled(hdev))
1b9441f8 3129 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4d2d2796 3130 else
1b9441f8 3131 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4d2d2796 3132
1b9441f8 3133 err = hci_req_run_skb(&req, read_local_oob_data_complete);
c35938b2
SJ		 3134 if (err < 0)
3135 mgmt_pending_remove(cmd);
3136
3137unlock:
09fd0de5 3138 hci_dev_unlock(hdev);
c35938b2
SJ		 3139 return err;
3140}
3141
bdb6d971 3142static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3143 void *data, u16 len)
2763eda6 3144{
5d57e796 3145 struct mgmt_addr_info *addr = data;
2763eda6
SJ		 3146 int err;
3147
bdb6d971 3148 BT_DBG("%s ", hdev->name);
2763eda6 3149
5d57e796 3150 if (!bdaddr_type_is_valid(addr->type))
2a1afb5a
JH		 3151 return mgmt_cmd_complete(sk, hdev->id,
3152 MGMT_OP_ADD_REMOTE_OOB_DATA,
3153 MGMT_STATUS_INVALID_PARAMS,
3154 addr, sizeof(*addr));
5d57e796 3155
09fd0de5 3156 hci_dev_lock(hdev);
2763eda6 3157
ec109113
MH		 3158 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3159 struct mgmt_cp_add_remote_oob_data *cp = data;
3160 u8 status;
bf1e3541 3161
c19a495c 3162 if (cp->addr.type != BDADDR_BREDR) {
2a1afb5a
JH		 3163 err = mgmt_cmd_complete(sk, hdev->id,
3164 MGMT_OP_ADD_REMOTE_OOB_DATA,
3165 MGMT_STATUS_INVALID_PARAMS,
3166 &cp->addr, sizeof(cp->addr));
c19a495c
JH		 3167 goto unlock;
3168 }
3169
ec109113 3170 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 3171 cp->addr.type, cp->hash,
3172 cp->rand, NULL, NULL);
ec109113
MH		 3173 if (err < 0)
3174 status = MGMT_STATUS_FAILED;
3175 else
3176 status = MGMT_STATUS_SUCCESS;
3177
2a1afb5a
JH		 3178 err = mgmt_cmd_complete(sk, hdev->id,
3179 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
3180 &cp->addr, sizeof(cp->addr));
ec109113
MH		 3181 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3182 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
41bcfd50 3183 u8 *rand192, *hash192, *rand256, *hash256;
ec109113
MH		 3184 u8 status;
3185
86df9200 3186 if (bdaddr_type_is_le(cp->addr.type)) {
d25b78e2
JH		 3187 /* Enforce zero-valued 192-bit parameters as
3188 * long as legacy SMP OOB isn't implemented.
3189 */
3190 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
3191 memcmp(cp->hash192, ZERO_KEY, 16)) {
2a1afb5a
JH		 3192 err = mgmt_cmd_complete(sk, hdev->id,
3193 MGMT_OP_ADD_REMOTE_OOB_DATA,
3194 MGMT_STATUS_INVALID_PARAMS,
3195 addr, sizeof(*addr));
d25b78e2
JH		 3196 goto unlock;
3197 }
3198
86df9200
JH		 3199 rand192 = NULL;
3200 hash192 = NULL;
3201 } else {
41bcfd50
MH		 3202 /* In case one of the P-192 values is set to zero,
3203 * then just disable OOB data for P-192.
3204 */
3205 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
3206 !memcmp(cp->hash192, ZERO_KEY, 16)) {
3207 rand192 = NULL;
3208 hash192 = NULL;
3209 } else {
3210 rand192 = cp->rand192;
3211 hash192 = cp->hash192;
3212 }
3213 }
3214
3215 /* In case one of the P-256 values is set to zero, then just
3216 * disable OOB data for P-256.
3217 */
3218 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
3219 !memcmp(cp->hash256, ZERO_KEY, 16)) {
3220 rand256 = NULL;
3221 hash256 = NULL;
3222 } else {
3223 rand256 = cp->rand256;
3224 hash256 = cp->hash256;
86df9200
JH		 3225 }
3226
81328d5c 3227 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200 3228 cp->addr.type, hash192, rand192,
41bcfd50 3229 hash256, rand256);
ec109113
MH		 3230 if (err < 0)
3231 status = MGMT_STATUS_FAILED;
3232 else
3233 status = MGMT_STATUS_SUCCESS;
3234
2a1afb5a
JH		 3235 err = mgmt_cmd_complete(sk, hdev->id,
3236 MGMT_OP_ADD_REMOTE_OOB_DATA,
3237 status, &cp->addr, sizeof(cp->addr));
ec109113
MH		 3238 } else {
3239 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
a69e8375
JH		 3240 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3241 MGMT_STATUS_INVALID_PARAMS);
ec109113 3242 }
2763eda6 3243
c19a495c 3244unlock:
09fd0de5 3245 hci_dev_unlock(hdev);
2763eda6
SJ		 3246 return err;
3247}
3248
bdb6d971 3249static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3250 void *data, u16 len)
2763eda6 3251{
650f726d 3252 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3253 u8 status;
2763eda6
SJ		 3254 int err;
3255
bdb6d971 3256 BT_DBG("%s", hdev->name);
2763eda6 3257
c19a495c 3258 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 3259 return mgmt_cmd_complete(sk, hdev->id,
3260 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3261 MGMT_STATUS_INVALID_PARAMS,
3262 &cp->addr, sizeof(cp->addr));
c19a495c 3263
09fd0de5 3264 hci_dev_lock(hdev);
2763eda6 3265
eedbd581
JH		 3266 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
3267 hci_remote_oob_data_clear(hdev);
3268 status = MGMT_STATUS_SUCCESS;
3269 goto done;
3270 }
3271
6928a924 3272 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 3273 if (err < 0)
bf1e3541 3274 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3275 else
a6785be2 3276 status = MGMT_STATUS_SUCCESS;
bf1e3541 3277
eedbd581 3278done:
2a1afb5a
JH		 3279 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3280 status, &cp->addr, sizeof(cp->addr));
2763eda6 3281
09fd0de5 3282 hci_dev_unlock(hdev);
2763eda6
SJ		 3283 return err;
3284}
3285
e68f072b 3286void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status)
7c307720 3287{
3b0602cd 3288 struct mgmt_pending_cmd *cmd;
ae55f598 3289
7c307720
AG		 3290 BT_DBG("status %d", status);
3291
11e6e25d 3292 hci_dev_lock(hdev);
41dc2bd6 3293
333ae95d 3294 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
66ea9427 3295 if (!cmd)
333ae95d 3296 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
66ea9427 3297
78b781ca
JH		 3298 if (!cmd)
3299 cmd = pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev);
3300
11e6e25d 3301 if (cmd) {
2922a94f 3302 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d
MH		 3303 mgmt_pending_remove(cmd);
3304 }
7c307720 3305
11e6e25d 3306 hci_dev_unlock(hdev);
7c307720
AG		 3307}
3308
591752af
JH		 3309static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
3310 uint8_t *mgmt_status)
3311{
3312 switch (type) {
3313 case DISCOV_TYPE_LE:
3314 *mgmt_status = mgmt_le_support(hdev);
3315 if (*mgmt_status)
3316 return false;
3317 break;
3318 case DISCOV_TYPE_INTERLEAVED:
3319 *mgmt_status = mgmt_le_support(hdev);
3320 if (*mgmt_status)
3321 return false;
3322 /* Intentional fall-through */
3323 case DISCOV_TYPE_BREDR:
3324 *mgmt_status = mgmt_bredr_support(hdev);
3325 if (*mgmt_status)
3326 return false;
3327 break;
3328 default:
3329 *mgmt_status = MGMT_STATUS_INVALID_PARAMS;
3330 return false;
3331 }
3332
3333 return true;
3334}
3335
78b781ca
JH		 3336static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
3337 u16 op, void *data, u16 len)
14a53664 3338{
650f726d 3339 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 3340 struct mgmt_pending_cmd *cmd;
8019044d 3341 u8 status;
14a53664
JH		 3342 int err;
3343
bdb6d971 3344 BT_DBG("%s", hdev->name);
14a53664 3345
09fd0de5 3346 hci_dev_lock(hdev);
14a53664 3347
4b34ee78 3348 if (!hdev_is_powered(hdev)) {
78b781ca 3349 err = mgmt_cmd_complete(sk, hdev->id, op,
2a1afb5a
JH		 3350 MGMT_STATUS_NOT_POWERED,
3351 &cp->type, sizeof(cp->type));
bd2d1334
JH		 3352 goto failed;
3353 }
3354
f5a969f2 3355 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 3356 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
78b781ca
JH		 3357 err = mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_BUSY,
3358 &cp->type, sizeof(cp->type));
642be6c7
AG		 3359 goto failed;
3360 }
3361
591752af 3362 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
78b781ca
JH		 3363 err = mgmt_cmd_complete(sk, hdev->id, op, status,
3364 &cp->type, sizeof(cp->type));
591752af
JH		 3365 goto failed;
3366 }
3367
22078800
MH		 3368 /* Clear the discovery filter first to free any previously
3369 * allocated memory for the UUID list.
3370 */
3371 hci_discovery_filter_clear(hdev);
3372
4aab14e5 3373 hdev->discovery.type = cp->type;
da25cf6a 3374 hdev->discovery.report_invalid_rssi = false;
78b781ca
JH		 3375 if (op == MGMT_OP_START_LIMITED_DISCOVERY)
3376 hdev->discovery.limited = true;
3377 else
3378 hdev->discovery.limited = false;
4aab14e5 3379
78b781ca 3380 cmd = mgmt_pending_add(sk, op, hdev, data, len);
e68f072b
JH		 3381 if (!cmd) {
3382 err = -ENOMEM;
04106755 3383 goto failed;
f39799f5 3384 }
04106755 3385
e68f072b 3386 cmd->cmd_complete = generic_cmd_complete;
7c307720 3387
f5a969f2 3388 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
e68f072b
JH		 3389 queue_work(hdev->req_workqueue, &hdev->discov_update);
3390 err = 0;
7c307720 3391
14a53664 3392failed:
09fd0de5 3393 hci_dev_unlock(hdev);
14a53664
JH		 3394 return err;
3395}
f39799f5 3396
78b781ca
JH		 3397static int start_discovery(struct sock *sk, struct hci_dev *hdev,
3398 void *data, u16 len)
3399{
3400 return start_discovery_internal(sk, hdev, MGMT_OP_START_DISCOVERY,
3401 data, len);
3402}
3403
3404static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev,
3405 void *data, u16 len)
3406{
3407 return start_discovery_internal(sk, hdev,
3408 MGMT_OP_START_LIMITED_DISCOVERY,
3409 data, len);
3410}
3411
3b0602cd
JH		 3412static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
3413 u8 status)
2922a94f 3414{
2a1afb5a
JH		 3415 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
3416 cmd->param, 1);
2922a94f 3417}
04106755 3418
66ea9427
JP		 3419static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
3420 void *data, u16 len)
3421{
3422 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 3423 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 3424 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
3425 u16 uuid_count, expected_len;
3426 u8 status;
3427 int err;
04106755 3428
66ea9427 3429 BT_DBG("%s", hdev->name);
e8bb6b97 3430
66ea9427 3431 hci_dev_lock(hdev);
7c307720 3432
66ea9427 3433 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3434 err = mgmt_cmd_complete(sk, hdev->id,
3435 MGMT_OP_START_SERVICE_DISCOVERY,
3436 MGMT_STATUS_NOT_POWERED,
3437 &cp->type, sizeof(cp->type));
66ea9427
JP		 3438 goto failed;
3439 }
7c307720 3440
66ea9427 3441 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 3442 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 3443 err = mgmt_cmd_complete(sk, hdev->id,
3444 MGMT_OP_START_SERVICE_DISCOVERY,
3445 MGMT_STATUS_BUSY, &cp->type,
3446 sizeof(cp->type));
66ea9427
JP		 3447 goto failed;
3448 }
d9483943 3449
66ea9427
JP		 3450 uuid_count = __le16_to_cpu(cp->uuid_count);
3451 if (uuid_count > max_uuid_count) {
3452 BT_ERR("service_discovery: too big uuid_count value %u",
3453 uuid_count);
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
3461 expected_len = sizeof(*cp) + uuid_count * 16;
3462 if (expected_len != len) {
3463 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
3464 expected_len, len);
2a1afb5a
JH		 3465 err = mgmt_cmd_complete(sk, hdev->id,
3466 MGMT_OP_START_SERVICE_DISCOVERY,
3467 MGMT_STATUS_INVALID_PARAMS, &cp->type,
3468 sizeof(cp->type));
66ea9427
JP		 3469 goto failed;
3470 }
3471
591752af
JH		 3472 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
3473 err = mgmt_cmd_complete(sk, hdev->id,
3474 MGMT_OP_START_SERVICE_DISCOVERY,
3475 status, &cp->type, sizeof(cp->type));
3476 goto failed;
3477 }
3478
66ea9427 3479 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 3480 hdev, data, len);
66ea9427
JP		 3481 if (!cmd) {
3482 err = -ENOMEM;
3483 goto failed;
3484 }
3485
2922a94f
JH		 3486 cmd->cmd_complete = service_discovery_cmd_complete;
3487
22078800
MH		 3488 /* Clear the discovery filter first to free any previously
3489 * allocated memory for the UUID list.
3490 */
3491 hci_discovery_filter_clear(hdev);
3492
82f8b651 3493 hdev->discovery.result_filtering = true;
66ea9427
JP		 3494 hdev->discovery.type = cp->type;
3495 hdev->discovery.rssi = cp->rssi;
3496 hdev->discovery.uuid_count = uuid_count;
3497
3498 if (uuid_count > 0) {
3499 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
3500 GFP_KERNEL);
3501 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 3502 err = mgmt_cmd_complete(sk, hdev->id,
3503 MGMT_OP_START_SERVICE_DISCOVERY,
3504 MGMT_STATUS_FAILED,
3505 &cp->type, sizeof(cp->type));
d9483943
JH		 3506 mgmt_pending_remove(cmd);
3507 goto failed;
3508 }
66ea9427 3509 }
d9483943 3510
66ea9427 3511 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
e68f072b
JH		 3512 queue_work(hdev->req_workqueue, &hdev->discov_update);
3513 err = 0;
14a53664
JH		 3514
3515failed:
09fd0de5 3516 hci_dev_unlock(hdev);
14a53664
JH		 3517 return err;
3518}
3519
2154d3f4 3520void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status)
1183fdca 3521{
3b0602cd 3522 struct mgmt_pending_cmd *cmd;
1183fdca 3523
0e05bba6
AG		 3524 BT_DBG("status %d", status);
3525
3526 hci_dev_lock(hdev);
3527
333ae95d 3528 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 3529 if (cmd) {
2922a94f 3530 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 3531 mgmt_pending_remove(cmd);
0e05bba6
AG		 3532 }
3533
0e05bba6
AG		 3534 hci_dev_unlock(hdev);
3535}
3536
bdb6d971 3537static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3538 u16 len)
14a53664 3539{
d930650b 3540 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 3541 struct mgmt_pending_cmd *cmd;
14a53664
JH		 3542 int err;
3543
bdb6d971 3544 BT_DBG("%s", hdev->name);
14a53664 3545
09fd0de5 3546 hci_dev_lock(hdev);
14a53664 3547
30dc78e1 3548 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 3549 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
3550 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3551 sizeof(mgmt_cp->type));
d930650b
JH		 3552 goto unlock;
3553 }
3554
3555 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 3556 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
3557 MGMT_STATUS_INVALID_PARAMS,
3558 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 3559 goto unlock;
ff9ef578
JH		 3560 }
3561
2922a94f 3562 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 3563 if (!cmd) {
3564 err = -ENOMEM;
30dc78e1
JH		 3565 goto unlock;
3566 }
3567
2922a94f
JH		 3568 cmd->cmd_complete = generic_cmd_complete;
3569
2154d3f4
JH		 3570 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
3571 queue_work(hdev->req_workqueue, &hdev->discov_update);
3572 err = 0;
14a53664 3573
30dc78e1 3574unlock:
09fd0de5 3575 hci_dev_unlock(hdev);
14a53664
JH		 3576 return err;
3577}
3578
bdb6d971 3579static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3580 u16 len)
561aafbc 3581{
650f726d 3582 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3583 struct inquiry_entry *e;
561aafbc
JH		 3584 int err;
3585
bdb6d971 3586 BT_DBG("%s", hdev->name);
561aafbc 3587
561aafbc
JH		 3588 hci_dev_lock(hdev);
3589
30dc78e1 3590 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 3591 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3592 MGMT_STATUS_FAILED, &cp->addr,
3593 sizeof(cp->addr));
30dc78e1
JH		 3594 goto failed;
3595 }
3596
a198e7b1 3597 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 3598 if (!e) {
2a1afb5a
JH		 3599 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3600 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3601 sizeof(cp->addr));
561aafbc
JH		 3602 goto failed;
3603 }
3604
3605 if (cp->name_known) {
3606 e->name_state = NAME_KNOWN;
3607 list_del(&e->list);
3608 } else {
3609 e->name_state = NAME_NEEDED;
a3d4e20a 3610 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 3611 }
3612
2a1afb5a
JH		 3613 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
3614 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 3615
3616failed:
3617 hci_dev_unlock(hdev);
561aafbc
JH		 3618 return err;
3619}
3620
bdb6d971 3621static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3622 u16 len)
7fbec224 3623{
650f726d 3624 struct mgmt_cp_block_device *cp = data;
f0eeea8b 3625 u8 status;
7fbec224
AJ		 3626 int err;
3627
bdb6d971 3628 BT_DBG("%s", hdev->name);
7fbec224 3629
4ee71b20 3630 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3631 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
3632 MGMT_STATUS_INVALID_PARAMS,
3633 &cp->addr, sizeof(cp->addr));
4ee71b20 3634
09fd0de5 3635 hci_dev_lock(hdev);
5e762444 3636
dcc36c16
JH		 3637 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
3638 cp->addr.type);
2a8357f2 3639 if (err < 0) {
f0eeea8b 3640 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 3641 goto done;
3642 }
3643
3644 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3645 sk);
3646 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3647
2a8357f2 3648done:
2a1afb5a
JH		 3649 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
3650 &cp->addr, sizeof(cp->addr));
5e762444 3651
09fd0de5 3652 hci_dev_unlock(hdev);
7fbec224
AJ		 3653
3654 return err;
3655}
3656
bdb6d971 3657static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3658 u16 len)
7fbec224 3659{
650f726d 3660 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 3661 u8 status;
7fbec224
AJ		 3662 int err;
3663
bdb6d971 3664 BT_DBG("%s", hdev->name);
7fbec224 3665
4ee71b20 3666 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3667 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
3668 MGMT_STATUS_INVALID_PARAMS,
3669 &cp->addr, sizeof(cp->addr));
4ee71b20 3670
09fd0de5 3671 hci_dev_lock(hdev);
5e762444 3672
dcc36c16
JH		 3673 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
3674 cp->addr.type);
2a8357f2 3675 if (err < 0) {
f0eeea8b 3676 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 3677 goto done;
3678 }
3679
3680 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3681 sk);
3682 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3683
2a8357f2 3684done:
2a1afb5a
JH		 3685 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
3686 &cp->addr, sizeof(cp->addr));
5e762444 3687
09fd0de5 3688 hci_dev_unlock(hdev);
7fbec224
AJ		 3689
3690 return err;
3691}
3692
cdbaccca
MH		 3693static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
3694 u16 len)
3695{
3696 struct mgmt_cp_set_device_id *cp = data;
890ea898 3697 struct hci_request req;
cdbaccca 3698 int err;
c72d4b8a 3699 __u16 source;
cdbaccca
MH		 3700
3701 BT_DBG("%s", hdev->name);
3702
c72d4b8a
SJ		 3703 source = __le16_to_cpu(cp->source);
3704
3705 if (source > 0x0002)
a69e8375
JH		 3706 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
3707 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 3708
cdbaccca
MH		 3709 hci_dev_lock(hdev);
3710
c72d4b8a 3711 hdev->devid_source = source;
cdbaccca
MH		 3712 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
3713 hdev->devid_product = __le16_to_cpu(cp->product);
3714 hdev->devid_version = __le16_to_cpu(cp->version);
3715
2a1afb5a
JH		 3716 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
3717 NULL, 0);
cdbaccca 3718
890ea898 3719 hci_req_init(&req, hdev);
b1a8917c 3720 __hci_req_update_eir(&req);
890ea898 3721 hci_req_run(&req, NULL);
cdbaccca
MH		 3722
3723 hci_dev_unlock(hdev);
3724
3725 return err;
3726}
3727
24b4f38f
AU		 3728static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
3729 u16 opcode)
3730{
3731 BT_DBG("status %d", status);
3732}
3733
1904a853
MH		 3734static void set_advertising_complete(struct hci_dev *hdev, u8 status,
3735 u16 opcode)
4375f103
JH		 3736{
3737 struct cmd_lookup match = { NULL, hdev };
24b4f38f 3738 struct hci_request req;
7816b820
FG		 3739 u8 instance;
3740 struct adv_info *adv_instance;
3741 int err;
4375f103 3742
3ad67582
JK		 3743 hci_dev_lock(hdev);
3744
4375f103
JH		 3745 if (status) {
3746 u8 mgmt_err = mgmt_status(status);
3747
3748 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
3749 cmd_status_rsp, &mgmt_err);
3ad67582 3750 goto unlock;
4375f103
JH		 3751 }
3752
d7a5a11d 3753 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 3754 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 3755 else
a358dc11 3756 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 3757
4375f103
JH		 3758 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
3759 &match);
3760
3761 new_settings(hdev, match.sk);
3762
3763 if (match.sk)
3764 sock_put(match.sk);
3ad67582 3765
24b4f38f 3766 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 3767 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 3768 */
3769 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820 3770 list_empty(&hdev->adv_instances))
24b4f38f
AU		 3771 goto unlock;
3772
7816b820
FG		 3773 instance = hdev->cur_adv_instance;
3774 if (!instance) {
3775 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
3776 struct adv_info, list);
3777 if (!adv_instance)
3778 goto unlock;
3779
3780 instance = adv_instance->instance;
3781 }
3782
24b4f38f
AU		 3783 hci_req_init(&req, hdev);
3784
f2252570 3785 err = __hci_req_schedule_adv_instance(&req, instance, true);
7816b820
FG		 3786
3787 if (!err)
3788 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 3789
7816b820 3790 if (err)
24b4f38f
AU		 3791 BT_ERR("Failed to re-configure advertising");
3792
3ad67582
JK		 3793unlock:
3794 hci_dev_unlock(hdev);
4375f103
JH		 3795}
3796
21b5187f
MH		 3797static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
3798 u16 len)
4375f103
JH		 3799{
3800 struct mgmt_mode *cp = data;
3b0602cd 3801 struct mgmt_pending_cmd *cmd;
4375f103 3802 struct hci_request req;
cc91cb04 3803 u8 val, status;
4375f103
JH		 3804 int err;
3805
3806 BT_DBG("request for %s", hdev->name);
3807
e6fe7986
JH		 3808 status = mgmt_le_support(hdev);
3809 if (status)
a69e8375
JH		 3810 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3811 status);
4375f103 3812
cc91cb04 3813 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 3814 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3815 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 3816
3817 hci_dev_lock(hdev);
3818
3819 val = !!cp->val;
4375f103 3820
f74ca9b8
JH		 3821 /* The following conditions are ones which mean that we should
3822 * not do any HCI communication but directly send a mgmt
3823 * response to user space (after toggling the flag if
3824 * necessary).
3825 */
cc91cb04 3826 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 3827 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
3828 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 3829 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 3830 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 3831 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 3832 bool changed;
4375f103 3833
cc91cb04 3834 if (cp->val) {
cab054ab 3835 hdev->cur_adv_instance = 0x00;
238be788 3836 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 3837 if (cp->val == 0x02)
a1536da2 3838 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3839 else
a358dc11 3840 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3841 } else {
a69d8927 3842 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 3843 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 3844 }
3845
3846 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
3847 if (err < 0)
3848 goto unlock;
3849
3850 if (changed)
3851 err = new_settings(hdev, sk);
3852
3853 goto unlock;
3854 }
3855
333ae95d
JH		 3856 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
3857 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 3858 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3859 MGMT_STATUS_BUSY);
4375f103
JH		 3860 goto unlock;
3861 }
3862
3863 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
3864 if (!cmd) {
3865 err = -ENOMEM;
3866 goto unlock;
3867 }
3868
3869 hci_req_init(&req, hdev);
3870
cc91cb04 3871 if (cp->val == 0x02)
a1536da2 3872 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3873 else
a358dc11 3874 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3875
7816b820
FG		 3876 cancel_adv_timeout(hdev);
3877
24b4f38f 3878 if (val) {
7816b820
FG		 3879 /* Switch to instance "0" for the Set Advertising setting.
3880 * We cannot use update_[adv|scan_rsp]_data() here as the
3881 * HCI_ADVERTISING flag is not yet set.
3882 */
cab054ab 3883 hdev->cur_adv_instance = 0x00;
f2252570
JH		 3884 __hci_req_update_adv_data(&req, 0x00);
3885 __hci_req_update_scan_rsp_data(&req, 0x00);
3886 __hci_req_enable_advertising(&req);
24b4f38f 3887 } else {
f2252570 3888 __hci_req_disable_advertising(&req);
24b4f38f 3889 }
4375f103
JH		 3890
3891 err = hci_req_run(&req, set_advertising_complete);
3892 if (err < 0)
3893 mgmt_pending_remove(cmd);
3894
3895unlock:
3896 hci_dev_unlock(hdev);
3897 return err;
3898}
3899
d13eafce
MH		 3900static int set_static_address(struct sock *sk, struct hci_dev *hdev,
3901 void *data, u16 len)
3902{
3903 struct mgmt_cp_set_static_address *cp = data;
3904 int err;
3905
3906 BT_DBG("%s", hdev->name);
3907
62af4443 3908 if (!lmp_le_capable(hdev))
a69e8375
JH		 3909 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
3910 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 3911
3912 if (hdev_is_powered(hdev))
a69e8375
JH		 3913 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
3914 MGMT_STATUS_REJECTED);
d13eafce
MH		 3915
3916 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
3917 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 3918 return mgmt_cmd_status(sk, hdev->id,
3919 MGMT_OP_SET_STATIC_ADDRESS,
3920 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 3921
3922 /* Two most significant bits shall be set */
3923 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 3924 return mgmt_cmd_status(sk, hdev->id,
3925 MGMT_OP_SET_STATIC_ADDRESS,
3926 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 3927 }
3928
3929 hci_dev_lock(hdev);
3930
3931 bacpy(&hdev->static_addr, &cp->bdaddr);
3932
93690c22
MH		 3933 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
3934 if (err < 0)
3935 goto unlock;
3936
3937 err = new_settings(hdev, sk);
d13eafce 3938
93690c22 3939unlock:
d13eafce 3940 hci_dev_unlock(hdev);
d13eafce
MH		 3941 return err;
3942}
3943
14b49b9a
MH		 3944static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
3945 void *data, u16 len)
3946{
3947 struct mgmt_cp_set_scan_params *cp = data;
3948 __u16 interval, window;
3949 int err;
3950
3951 BT_DBG("%s", hdev->name);
3952
3953 if (!lmp_le_capable(hdev))
a69e8375
JH		 3954 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3955 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 3956
3957 interval = __le16_to_cpu(cp->interval);
3958
3959 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 3960 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3961 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 3962
3963 window = __le16_to_cpu(cp->window);
3964
3965 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 3966 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3967 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 3968
899e1075 3969 if (window > interval)
a69e8375
JH		 3970 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3971 MGMT_STATUS_INVALID_PARAMS);
899e1075 3972
14b49b9a
MH		 3973 hci_dev_lock(hdev);
3974
3975 hdev->le_scan_interval = interval;
3976 hdev->le_scan_window = window;
3977
2a1afb5a
JH		 3978 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
3979 NULL, 0);
14b49b9a 3980
dd2ef8e2
AG		 3981 /* If background scan is running, restart it so new parameters are
3982 * loaded.
3983 */
d7a5a11d 3984 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 3985 hdev->discovery.state == DISCOVERY_STOPPED) {
3986 struct hci_request req;
3987
3988 hci_req_init(&req, hdev);
3989
3990 hci_req_add_le_scan_disable(&req);
3991 hci_req_add_le_passive_scan(&req);
3992
3993 hci_req_run(&req, NULL);
3994 }
3995
14b49b9a
MH		 3996 hci_dev_unlock(hdev);
3997
3998 return err;
3999}
4000
1904a853
MH		 4001static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
4002 u16 opcode)
33e38b3e 4003{
3b0602cd 4004 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 4005
4006 BT_DBG("status 0x%02x", status);
4007
4008 hci_dev_lock(hdev);
4009
333ae95d 4010 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 4011 if (!cmd)
4012 goto unlock;
4013
4014 if (status) {
a69e8375
JH		 4015 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4016 mgmt_status(status));
33e38b3e 4017 } else {
1a4d3c4b
JH		 4018 struct mgmt_mode *cp = cmd->param;
4019
4020 if (cp->val)
a1536da2 4021 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 4022 else
a358dc11 4023 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 4024
33e38b3e
JH		 4025 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4026 new_settings(hdev, cmd->sk);
4027 }
4028
4029 mgmt_pending_remove(cmd);
4030
4031unlock:
4032 hci_dev_unlock(hdev);
4033}
4034
bdb6d971 4035static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4036 void *data, u16 len)
f6422ec6 4037{
650f726d 4038 struct mgmt_mode *cp = data;
3b0602cd 4039 struct mgmt_pending_cmd *cmd;
33e38b3e 4040 struct hci_request req;
f6422ec6
AJ		 4041 int err;
4042
bdb6d971 4043 BT_DBG("%s", hdev->name);
f6422ec6 4044
d7a5a11d 4045 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 4046 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 4047 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4048 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 4049
a7e80f25 4050 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 4051 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4052 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 4053
f6422ec6
AJ		 4054 hci_dev_lock(hdev);
4055
333ae95d 4056 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 4057 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4058 MGMT_STATUS_BUSY);
05cbf29f
JH		 4059 goto unlock;
4060 }
4061
d7a5a11d 4062 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 4063 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4064 hdev);
4065 goto unlock;
4066 }
4067
406ef2a6 4068 if (!hdev_is_powered(hdev)) {
ce05d603 4069 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 4070 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4071 hdev);
4072 new_settings(hdev, sk);
4073 goto unlock;
4074 }
4075
33e38b3e
JH		 4076 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4077 data, len);
4078 if (!cmd) {
4079 err = -ENOMEM;
4080 goto unlock;
f6422ec6
AJ		 4081 }
4082
33e38b3e
JH		 4083 hci_req_init(&req, hdev);
4084
bf943cbf 4085 __hci_req_write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4086
4087 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4088 if (err < 0) {
a69e8375
JH		 4089 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4090 MGMT_STATUS_FAILED);
33e38b3e 4091 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4092 }
4093
33e38b3e 4094unlock:
f6422ec6 4095 hci_dev_unlock(hdev);
33e38b3e 4096
f6422ec6
AJ		 4097 return err;
4098}
4099
1904a853 4100static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 4101{
3b0602cd 4102 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 4103
4104 BT_DBG("status 0x%02x", status);
4105
4106 hci_dev_lock(hdev);
4107
333ae95d 4108 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 4109 if (!cmd)
4110 goto unlock;
4111
4112 if (status) {
4113 u8 mgmt_err = mgmt_status(status);
4114
4115 /* We need to restore the flag if related HCI commands
4116 * failed.
4117 */
a358dc11 4118 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 4119
a69e8375 4120 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 4121 } else {
4122 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4123 new_settings(hdev, cmd->sk);
4124 }
4125
4126 mgmt_pending_remove(cmd);
4127
4128unlock:
4129 hci_dev_unlock(hdev);
4130}
4131
4132static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4133{
4134 struct mgmt_mode *cp = data;
3b0602cd 4135 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 4136 struct hci_request req;
4137 int err;
4138
4139 BT_DBG("request for %s", hdev->name);
4140
4141 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 4142 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4143 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 4144
d7a5a11d 4145 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 4146 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4147 MGMT_STATUS_REJECTED);
0663ca2a
JH		 4148
4149 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 4150 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4151 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 4152
4153 hci_dev_lock(hdev);
4154
d7a5a11d 4155 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 4156 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4157 goto unlock;
4158 }
4159
4160 if (!hdev_is_powered(hdev)) {
4161 if (!cp->val) {
a358dc11
MH		 4162 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
4163 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
4164 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
4165 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
4166 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 4167 }
4168
ce05d603 4169 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 4170
4171 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4172 if (err < 0)
4173 goto unlock;
4174
4175 err = new_settings(hdev, sk);
4176 goto unlock;
4177 }
4178
4179 /* Reject disabling when powered on */
4180 if (!cp->val) {
a69e8375
JH		 4181 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4182 MGMT_STATUS_REJECTED);
0663ca2a 4183 goto unlock;
111e4bcc
MH		 4184 } else {
4185 /* When configuring a dual-mode controller to operate
4186 * with LE only and using a static address, then switching
4187 * BR/EDR back on is not allowed.
4188 *
4189 * Dual-mode controllers shall operate with the public
4190 * address as its identity address for BR/EDR and LE. So
4191 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 4192 *
4193 * The same restrictions applies when secure connections
4194 * has been enabled. For BR/EDR this is a controller feature
4195 * while for LE it is a host stack feature. This means that
4196 * switching BR/EDR back on when secure connections has been
4197 * enabled is not a supported transaction.
111e4bcc 4198 */
d7a5a11d 4199 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 4200 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 4201 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 4202 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4203 MGMT_STATUS_REJECTED);
111e4bcc
MH		 4204 goto unlock;
4205 }
0663ca2a
JH		 4206 }
4207
333ae95d 4208 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 4209 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4210 MGMT_STATUS_BUSY);
0663ca2a
JH		 4211 goto unlock;
4212 }
4213
4214 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4215 if (!cmd) {
4216 err = -ENOMEM;
4217 goto unlock;
4218 }
4219
f2252570
JH		 4220 /* We need to flip the bit already here so that
4221 * hci_req_update_adv_data generates the correct flags.
0663ca2a 4222 */
a1536da2 4223 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 4224
4225 hci_req_init(&req, hdev);
aa8af46e 4226
bf943cbf 4227 __hci_req_write_fast_connectable(&req, false);
01b1cb87 4228 __hci_req_update_scan(&req);
aa8af46e 4229
f14d8f64
MH		 4230 /* Since only the advertising data flags will change, there
4231 * is no need to update the scan response data.
4232 */
cab054ab 4233 __hci_req_update_adv_data(&req, hdev->cur_adv_instance);
aa8af46e 4234
0663ca2a
JH		 4235 err = hci_req_run(&req, set_bredr_complete);
4236 if (err < 0)
4237 mgmt_pending_remove(cmd);
4238
4239unlock:
4240 hci_dev_unlock(hdev);
4241 return err;
4242}
4243
a1443f5a
JH		 4244static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
4245{
3b0602cd 4246 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 4247 struct mgmt_mode *cp;
4248
4249 BT_DBG("%s status %u", hdev->name, status);
4250
4251 hci_dev_lock(hdev);
4252
333ae95d 4253 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 4254 if (!cmd)
4255 goto unlock;
4256
4257 if (status) {
a69e8375
JH		 4258 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
4259 mgmt_status(status));
a1443f5a
JH		 4260 goto remove;
4261 }
4262
4263 cp = cmd->param;
4264
4265 switch (cp->val) {
4266 case 0x00:
a358dc11
MH		 4267 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
4268 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4269 break;
4270 case 0x01:
a1536da2 4271 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 4272 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4273 break;
4274 case 0x02:
a1536da2
MH		 4275 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
4276 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4277 break;
4278 }
4279
4280 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
4281 new_settings(hdev, cmd->sk);
4282
4283remove:
4284 mgmt_pending_remove(cmd);
4285unlock:
4286 hci_dev_unlock(hdev);
4287}
4288
eac83dc6
MH		 4289static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4290 void *data, u16 len)
4291{
4292 struct mgmt_mode *cp = data;
3b0602cd 4293 struct mgmt_pending_cmd *cmd;
a1443f5a 4294 struct hci_request req;
a3209694 4295 u8 val;
eac83dc6
MH		 4296 int err;
4297
4298 BT_DBG("request for %s", hdev->name);
4299
05b3c3e7 4300 if (!lmp_sc_capable(hdev) &&
d7a5a11d 4301 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 4302 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4303 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 4304
d7a5a11d 4305 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 4306 lmp_sc_capable(hdev) &&
d7a5a11d 4307 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 4308 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4309 MGMT_STATUS_REJECTED);
ed93ec69 4310
0ab04a9c 4311 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 4312 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 4313 MGMT_STATUS_INVALID_PARAMS);
4314
4315 hci_dev_lock(hdev);
4316
05b3c3e7 4317 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 4318 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 4319 bool changed;
4320
0ab04a9c 4321 if (cp->val) {
238be788
MH		 4322 changed = !hci_dev_test_and_set_flag(hdev,
4323 HCI_SC_ENABLED);
0ab04a9c 4324 if (cp->val == 0x02)
a1536da2 4325 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4326 else
a358dc11 4327 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4328 } else {
a69d8927
MH		 4329 changed = hci_dev_test_and_clear_flag(hdev,
4330 HCI_SC_ENABLED);
a358dc11 4331 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4332 }
eac83dc6
MH		 4333
4334 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4335 if (err < 0)
4336 goto failed;
4337
4338 if (changed)
4339 err = new_settings(hdev, sk);
4340
4341 goto failed;
4342 }
4343
333ae95d 4344 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 4345 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4346 MGMT_STATUS_BUSY);
eac83dc6
MH		 4347 goto failed;
4348 }
4349
0ab04a9c
MH		 4350 val = !!cp->val;
4351
d7a5a11d
MH		 4352 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
4353 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 4354 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4355 goto failed;
4356 }
4357
4358 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4359 if (!cmd) {
4360 err = -ENOMEM;
4361 goto failed;
4362 }
4363
a1443f5a
JH		 4364 hci_req_init(&req, hdev);
4365 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
4366 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 4367 if (err < 0) {
4368 mgmt_pending_remove(cmd);
4369 goto failed;
4370 }
4371
4372failed:
4373 hci_dev_unlock(hdev);
4374 return err;
4375}
4376
4e39ac81
MH		 4377static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4378 void *data, u16 len)
4379{
4380 struct mgmt_mode *cp = data;
b9710979 4381 bool changed, use_changed;
4e39ac81
MH		 4382 int err;
4383
4384 BT_DBG("request for %s", hdev->name);
4385
b9710979 4386 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4387 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4388 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 4389
4390 hci_dev_lock(hdev);
4391
4392 if (cp->val)
238be788 4393 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 4394 else
a69d8927
MH		 4395 changed = hci_dev_test_and_clear_flag(hdev,
4396 HCI_KEEP_DEBUG_KEYS);
4e39ac81 4397
b9710979 4398 if (cp->val == 0x02)
238be788
MH		 4399 use_changed = !hci_dev_test_and_set_flag(hdev,
4400 HCI_USE_DEBUG_KEYS);
b9710979 4401 else
a69d8927
MH		 4402 use_changed = hci_dev_test_and_clear_flag(hdev,
4403 HCI_USE_DEBUG_KEYS);
b9710979
JH		 4404
4405 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 4406 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 4407 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4408 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4409 sizeof(mode), &mode);
4410 }
4411
4e39ac81
MH		 4412 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4413 if (err < 0)
4414 goto unlock;
4415
4416 if (changed)
4417 err = new_settings(hdev, sk);
4418
4419unlock:
4420 hci_dev_unlock(hdev);
4421 return err;
4422}
4423
62b04cd1
JH		 4424static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4425 u16 len)
4426{
4427 struct mgmt_cp_set_privacy *cp = cp_data;
4428 bool changed;
4429 int err;
4430
4431 BT_DBG("request for %s", hdev->name);
4432
4433 if (!lmp_le_capable(hdev))
a69e8375
JH		 4434 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4435 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1 4436
82a37ade 4437 if (cp->privacy != 0x00 && cp->privacy != 0x01 && cp->privacy != 0x02)
a69e8375
JH		 4438 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4439 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 4440
4441 if (hdev_is_powered(hdev))
a69e8375
JH		 4442 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4443 MGMT_STATUS_REJECTED);
62b04cd1
JH		 4444
4445 hci_dev_lock(hdev);
4446
c21c0ea0
JH		 4447 /* If user space supports this command it is also expected to
4448 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4449 */
a1536da2 4450 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 4451
62b04cd1 4452 if (cp->privacy) {
238be788 4453 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 4454 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 4455 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
82a37ade
JH		 4456 if (cp->privacy == 0x02)
4457 hci_dev_set_flag(hdev, HCI_LIMITED_PRIVACY);
4458 else
4459 hci_dev_clear_flag(hdev, HCI_LIMITED_PRIVACY);
62b04cd1 4460 } else {
a69d8927 4461 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 4462 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 4463 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
82a37ade 4464 hci_dev_clear_flag(hdev, HCI_LIMITED_PRIVACY);
62b04cd1
JH		 4465 }
4466
4467 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4468 if (err < 0)
4469 goto unlock;
4470
4471 if (changed)
4472 err = new_settings(hdev, sk);
4473
4474unlock:
4475 hci_dev_unlock(hdev);
4476 return err;
4477}
4478
41edf160
JH		 4479static bool irk_is_valid(struct mgmt_irk_info *irk)
4480{
4481 switch (irk->addr.type) {
4482 case BDADDR_LE_PUBLIC:
4483 return true;
4484
4485 case BDADDR_LE_RANDOM:
4486 /* Two most significant bits shall be set */
4487 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4488 return false;
4489 return true;
4490 }
4491
4492 return false;
4493}
4494
4495static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4496 u16 len)
4497{
4498 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4499 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4500 sizeof(struct mgmt_irk_info));
41edf160
JH		 4501 u16 irk_count, expected_len;
4502 int i, err;
4503
4504 BT_DBG("request for %s", hdev->name);
4505
4506 if (!lmp_le_capable(hdev))
a69e8375
JH		 4507 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4508 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 4509
4510 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4511 if (irk_count > max_irk_count) {
4512 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 4513 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4514 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 4515 }
41edf160
JH		 4516
4517 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4518 if (expected_len != len) {
4519 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4520 expected_len, len);
a69e8375
JH		 4521 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4522 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 4523 }
4524
4525 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4526
4527 for (i = 0; i < irk_count; i++) {
4528 struct mgmt_irk_info *key = &cp->irks[i];
4529
4530 if (!irk_is_valid(key))
a69e8375
JH		 4531 return mgmt_cmd_status(sk, hdev->id,
4532 MGMT_OP_LOAD_IRKS,
4533 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 4534 }
4535
4536 hci_dev_lock(hdev);
4537
4538 hci_smp_irks_clear(hdev);
4539
4540 for (i = 0; i < irk_count; i++) {
4541 struct mgmt_irk_info *irk = &cp->irks[i];
41edf160 4542
85813a7e
JH		 4543 hci_add_irk(hdev, &irk->addr.bdaddr,
4544 le_addr_type(irk->addr.type), irk->val,
41edf160
JH		 4545 BDADDR_ANY);
4546 }
4547
a1536da2 4548 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 4549
2a1afb5a 4550 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 4551
4552 hci_dev_unlock(hdev);
4553
4554 return err;
4555}
4556
3f706b72
JH		 4557static bool ltk_is_valid(struct mgmt_ltk_info *key)
4558{
4559 if (key->master != 0x00 && key->master != 0x01)
4560 return false;
490cb0b3
MH		 4561
4562 switch (key->addr.type) {
4563 case BDADDR_LE_PUBLIC:
4564 return true;
4565
4566 case BDADDR_LE_RANDOM:
4567 /* Two most significant bits shall be set */
4568 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4569 return false;
4570 return true;
4571 }
4572
4573 return false;
3f706b72
JH		 4574}
4575
bdb6d971 4576static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4577 void *cp_data, u16 len)
346af67b 4578{
346af67b 4579 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4580 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4581 sizeof(struct mgmt_ltk_info));
346af67b 4582 u16 key_count, expected_len;
715a5bf2 4583 int i, err;
346af67b 4584
cf99ba13
MH		 4585 BT_DBG("request for %s", hdev->name);
4586
4587 if (!lmp_le_capable(hdev))
a69e8375
JH		 4588 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4589 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 4590
1f350c87 4591 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4592 if (key_count > max_key_count) {
4593 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 4594 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4595 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 4596 }
346af67b
VCG		 4597
4598 expected_len = sizeof(*cp) + key_count *
4599 sizeof(struct mgmt_ltk_info);
4600 if (expected_len != len) {
4601 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4602 expected_len, len);
a69e8375
JH		 4603 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4604 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4605 }
4606
bdb6d971 4607 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4608
54ad6d8a
JH		 4609 for (i = 0; i < key_count; i++) {
4610 struct mgmt_ltk_info *key = &cp->keys[i];
4611
3f706b72 4612 if (!ltk_is_valid(key))
a69e8375
JH		 4613 return mgmt_cmd_status(sk, hdev->id,
4614 MGMT_OP_LOAD_LONG_TERM_KEYS,
4615 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 4616 }
4617
346af67b
VCG		 4618 hci_dev_lock(hdev);
4619
4620 hci_smp_ltks_clear(hdev);
4621
4622 for (i = 0; i < key_count; i++) {
4623 struct mgmt_ltk_info *key = &cp->keys[i];
85813a7e 4624 u8 type, authenticated;
346af67b 4625
61b43357
JH		 4626 switch (key->type) {
4627 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4628 authenticated = 0x00;
23fb8de3 4629 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 4630 break;
4631 case MGMT_LTK_AUTHENTICATED:
d7b25450 4632 authenticated = 0x01;
23fb8de3
JH		 4633 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4634 break;
4635 case MGMT_LTK_P256_UNAUTH:
4636 authenticated = 0x00;
4637 type = SMP_LTK_P256;
61b43357 4638 break;
23fb8de3
JH		 4639 case MGMT_LTK_P256_AUTH:
4640 authenticated = 0x01;
4641 type = SMP_LTK_P256;
61b43357 4642 break;
23fb8de3
JH		 4643 case MGMT_LTK_P256_DEBUG:
4644 authenticated = 0x00;
4645 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 4646 default:
4647 continue;
4648 }
d7b25450 4649
85813a7e
JH		 4650 hci_add_ltk(hdev, &key->addr.bdaddr,
4651 le_addr_type(key->addr.type), type, authenticated,
4652 key->val, key->enc_size, key->ediv, key->rand);
346af67b
VCG		 4653 }
4654
2a1afb5a 4655 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 4656 NULL, 0);
4657
346af67b 4658 hci_dev_unlock(hdev);
346af67b 4659
715a5bf2 4660 return err;
346af67b
VCG		 4661}
4662
3b0602cd 4663static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 4664{
dd983808 4665 struct hci_conn *conn = cmd->user_data;
9981bdb0 4666 struct mgmt_rp_get_conn_info rp;
9df74653 4667 int err;
dd983808 4668
9981bdb0 4669 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 4670
9981bdb0 4671 if (status == MGMT_STATUS_SUCCESS) {
dd983808 4672 rp.rssi = conn->rssi;
9981bdb0
JH		 4673 rp.tx_power = conn->tx_power;
4674 rp.max_tx_power = conn->max_tx_power;
4675 } else {
4676 rp.rssi = HCI_RSSI_INVALID;
4677 rp.tx_power = HCI_TX_POWER_INVALID;
4678 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 4679 }
4680
2a1afb5a
JH		 4681 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4682 status, &rp, sizeof(rp));
dd983808
AK		 4683
4684 hci_conn_drop(conn);
f8aaf9b6 4685 hci_conn_put(conn);
9df74653
JH		 4686
4687 return err;
dd983808
AK		 4688}
4689
1904a853
MH		 4690static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
4691 u16 opcode)
dd983808
AK		 4692{
4693 struct hci_cp_read_rssi *cp;
3b0602cd 4694 struct mgmt_pending_cmd *cmd;
dd983808 4695 struct hci_conn *conn;
dd983808 4696 u16 handle;
9981bdb0 4697 u8 status;
dd983808 4698
9981bdb0 4699 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 4700
4701 hci_dev_lock(hdev);
4702
dd983808
AK		 4703 /* Commands sent in request are either Read RSSI or Read Transmit Power
4704 * Level so we check which one was last sent to retrieve connection
4705 * handle. Both commands have handle as first parameter so it's safe to
4706 * cast data on the same command struct.
4707 *
4708 * First command sent is always Read RSSI and we fail only if it fails.
4709 * In other case we simply override error to indicate success as we
4710 * already remembered if TX power value is actually valid.
4711 */
4712 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4713 if (!cp) {
4714 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 4715 status = MGMT_STATUS_SUCCESS;
4716 } else {
4717 status = mgmt_status(hci_status);
dd983808
AK		 4718 }
4719
4720 if (!cp) {
9981bdb0 4721 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 4722 goto unlock;
4723 }
4724
4725 handle = __le16_to_cpu(cp->handle);
4726 conn = hci_conn_hash_lookup_handle(hdev, handle);
4727 if (!conn) {
9981bdb0 4728 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 4729 goto unlock;
4730 }
4731
333ae95d 4732 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 4733 if (!cmd)
4734 goto unlock;
dd983808 4735
9981bdb0
JH		 4736 cmd->cmd_complete(cmd, status);
4737 mgmt_pending_remove(cmd);
dd983808
AK		 4738
4739unlock:
4740 hci_dev_unlock(hdev);
4741}
4742
4743static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
4744 u16 len)
4745{
4746 struct mgmt_cp_get_conn_info *cp = data;
4747 struct mgmt_rp_get_conn_info rp;
4748 struct hci_conn *conn;
4749 unsigned long conn_info_age;
4750 int err = 0;
4751
4752 BT_DBG("%s", hdev->name);
4753
4754 memset(&rp, 0, sizeof(rp));
4755 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4756 rp.addr.type = cp->addr.type;
4757
4758 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4759 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4760 MGMT_STATUS_INVALID_PARAMS,
4761 &rp, sizeof(rp));
dd983808
AK		 4762
4763 hci_dev_lock(hdev);
4764
4765 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4766 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4767 MGMT_STATUS_NOT_POWERED, &rp,
4768 sizeof(rp));
dd983808
AK		 4769 goto unlock;
4770 }
4771
4772 if (cp->addr.type == BDADDR_BREDR)
4773 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4774 &cp->addr.bdaddr);
4775 else
4776 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
4777
4778 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 4779 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4780 MGMT_STATUS_NOT_CONNECTED, &rp,
4781 sizeof(rp));
dd983808
AK		 4782 goto unlock;
4783 }
4784
333ae95d 4785 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 4786 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4787 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 4788 goto unlock;
4789 }
4790
dd983808
AK		 4791 /* To avoid client trying to guess when to poll again for information we
4792 * calculate conn info age as random value between min/max set in hdev.
4793 */
4794 conn_info_age = hdev->conn_info_min_age +
4795 prandom_u32_max(hdev->conn_info_max_age -
4796 hdev->conn_info_min_age);
4797
4798 /* Query controller to refresh cached values if they are too old or were
4799 * never read.
4800 */
f4e2dd53
AK		 4801 if (time_after(jiffies, conn->conn_info_timestamp +
4802 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 4803 !conn->conn_info_timestamp) {
4804 struct hci_request req;
4805 struct hci_cp_read_tx_power req_txp_cp;
4806 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 4807 struct mgmt_pending_cmd *cmd;
dd983808
AK		 4808
4809 hci_req_init(&req, hdev);
4810 req_rssi_cp.handle = cpu_to_le16(conn->handle);
4811 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
4812 &req_rssi_cp);
4813
f7faab0c
AK		 4814 /* For LE links TX power does not change thus we don't need to
4815 * query for it once value is known.
4816 */
4817 if (!bdaddr_type_is_le(cp->addr.type) ||
4818 conn->tx_power == HCI_TX_POWER_INVALID) {
4819 req_txp_cp.handle = cpu_to_le16(conn->handle);
4820 req_txp_cp.type = 0x00;
4821 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4822 sizeof(req_txp_cp), &req_txp_cp);
4823 }
dd983808 4824
eed5daf3
AK		 4825 /* Max TX power needs to be read only once per connection */
4826 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
4827 req_txp_cp.handle = cpu_to_le16(conn->handle);
4828 req_txp_cp.type = 0x01;
4829 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4830 sizeof(req_txp_cp), &req_txp_cp);
4831 }
4832
dd983808
AK		 4833 err = hci_req_run(&req, conn_info_refresh_complete);
4834 if (err < 0)
4835 goto unlock;
4836
4837 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
4838 data, len);
4839 if (!cmd) {
4840 err = -ENOMEM;
4841 goto unlock;
4842 }
4843
4844 hci_conn_hold(conn);
f8aaf9b6 4845 cmd->user_data = hci_conn_get(conn);
9981bdb0 4846 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 4847
4848 conn->conn_info_timestamp = jiffies;
4849 } else {
4850 /* Cache is valid, just reply with values cached in hci_conn */
4851 rp.rssi = conn->rssi;
4852 rp.tx_power = conn->tx_power;
eed5daf3 4853 rp.max_tx_power = conn->max_tx_power;
dd983808 4854
2a1afb5a
JH		 4855 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4856 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 4857 }
4858
4859unlock:
4860 hci_dev_unlock(hdev);
4861 return err;
4862}
4863
3b0602cd 4864static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 4865{
69487371 4866 struct hci_conn *conn = cmd->user_data;
95868426 4867 struct mgmt_rp_get_clock_info rp;
69487371 4868 struct hci_dev *hdev;
9df74653 4869 int err;
69487371
JH		 4870
4871 memset(&rp, 0, sizeof(rp));
4872 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
4873
4874 if (status)
4875 goto complete;
4876
4877 hdev = hci_dev_get(cmd->index);
4878 if (hdev) {
4879 rp.local_clock = cpu_to_le32(hdev->clock);
4880 hci_dev_put(hdev);
4881 }
4882
4883 if (conn) {
4884 rp.piconet_clock = cpu_to_le32(conn->clock);
4885 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
4886 }
4887
4888complete:
2a1afb5a
JH		 4889 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
4890 sizeof(rp));
69487371
JH		 4891
4892 if (conn) {
4893 hci_conn_drop(conn);
4894 hci_conn_put(conn);
4895 }
9df74653
JH		 4896
4897 return err;
69487371
JH		 4898}
4899
1904a853 4900static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 4901{
95868426 4902 struct hci_cp_read_clock *hci_cp;
3b0602cd 4903 struct mgmt_pending_cmd *cmd;
95868426
JH		 4904 struct hci_conn *conn;
4905
4906 BT_DBG("%s status %u", hdev->name, status);
4907
4908 hci_dev_lock(hdev);
4909
4910 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
4911 if (!hci_cp)
4912 goto unlock;
4913
4914 if (hci_cp->which) {
4915 u16 handle = __le16_to_cpu(hci_cp->handle);
4916 conn = hci_conn_hash_lookup_handle(hdev, handle);
4917 } else {
4918 conn = NULL;
4919 }
4920
333ae95d 4921 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 4922 if (!cmd)
4923 goto unlock;
4924
69487371 4925 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 4926 mgmt_pending_remove(cmd);
95868426
JH		 4927
4928unlock:
4929 hci_dev_unlock(hdev);
4930}
4931
4932static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
4933 u16 len)
4934{
4935 struct mgmt_cp_get_clock_info *cp = data;
4936 struct mgmt_rp_get_clock_info rp;
4937 struct hci_cp_read_clock hci_cp;
3b0602cd 4938 struct mgmt_pending_cmd *cmd;
95868426
JH		 4939 struct hci_request req;
4940 struct hci_conn *conn;
4941 int err;
4942
4943 BT_DBG("%s", hdev->name);
4944
4945 memset(&rp, 0, sizeof(rp));
4946 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4947 rp.addr.type = cp->addr.type;
4948
4949 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 4950 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
4951 MGMT_STATUS_INVALID_PARAMS,
4952 &rp, sizeof(rp));
95868426
JH		 4953
4954 hci_dev_lock(hdev);
4955
4956 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4957 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
4958 MGMT_STATUS_NOT_POWERED, &rp,
4959 sizeof(rp));
95868426
JH		 4960 goto unlock;
4961 }
4962
4963 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4964 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4965 &cp->addr.bdaddr);
4966 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 4967 err = mgmt_cmd_complete(sk, hdev->id,
4968 MGMT_OP_GET_CLOCK_INFO,
4969 MGMT_STATUS_NOT_CONNECTED,
4970 &rp, sizeof(rp));
95868426
JH		 4971 goto unlock;
4972 }
4973 } else {
4974 conn = NULL;
4975 }
4976
4977 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
4978 if (!cmd) {
4979 err = -ENOMEM;
4980 goto unlock;
4981 }
4982
69487371
JH		 4983 cmd->cmd_complete = clock_info_cmd_complete;
4984
95868426
JH		 4985 hci_req_init(&req, hdev);
4986
4987 memset(&hci_cp, 0, sizeof(hci_cp));
4988 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
4989
4990 if (conn) {
4991 hci_conn_hold(conn);
f8aaf9b6 4992 cmd->user_data = hci_conn_get(conn);
95868426
JH		 4993
4994 hci_cp.handle = cpu_to_le16(conn->handle);
4995 hci_cp.which = 0x01; /* Piconet clock */
4996 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
4997 }
4998
4999 err = hci_req_run(&req, get_clock_info_complete);
5000 if (err < 0)
5001 mgmt_pending_remove(cmd);
5002
5003unlock:
5004 hci_dev_unlock(hdev);
5005 return err;
5006}
5007
5a154e6f
JH		 5008static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
5009{
5010 struct hci_conn *conn;
5011
5012 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
5013 if (!conn)
5014 return false;
5015
5016 if (conn->dst_type != type)
5017 return false;
5018
5019 if (conn->state != BT_CONNECTED)
5020 return false;
5021
5022 return true;
5023}
5024
5025/* This function requires the caller holds hdev->lock */
51d7a94d 5026static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
5a154e6f
JH		 5027 u8 addr_type, u8 auto_connect)
5028{
5a154e6f
JH		 5029 struct hci_conn_params *params;
5030
5031 params = hci_conn_params_add(hdev, addr, addr_type);
5032 if (!params)
5033 return -EIO;
5034
5035 if (params->auto_connect == auto_connect)
5036 return 0;
5037
5038 list_del_init(&params->action);
5039
5040 switch (auto_connect) {
5041 case HCI_AUTO_CONN_DISABLED:
5042 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 5043 /* If auto connect is being disabled when we're trying to
5044 * connect to device, keep connecting.
5045 */
5046 if (params->explicit_connect)
5047 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 5048 break;
5049 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 5050 if (params->explicit_connect)
5051 list_add(&params->action, &hdev->pend_le_conns);
5052 else
5053 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 5054 break;
5055 case HCI_AUTO_CONN_DIRECT:
5056 case HCI_AUTO_CONN_ALWAYS:
51d7a94d 5057 if (!is_connected(hdev, addr, addr_type))
5a154e6f 5058 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 5059 break;
5060 }
5061
5062 params->auto_connect = auto_connect;
5063
5064 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
5065 auto_connect);
5066
5067 return 0;
5068}
5069
8afef092
MH		 5070static void device_added(struct sock *sk, struct hci_dev *hdev,
5071 bdaddr_t *bdaddr, u8 type, u8 action)
5072{
5073 struct mgmt_ev_device_added ev;
5074
5075 bacpy(&ev.addr.bdaddr, bdaddr);
5076 ev.addr.type = type;
5077 ev.action = action;
5078
5079 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5080}
5081
2faade53
MH		 5082static int add_device(struct sock *sk, struct hci_dev *hdev,
5083 void *data, u16 len)
5084{
5085 struct mgmt_cp_add_device *cp = data;
5086 u8 auto_conn, addr_type;
5087 int err;
5088
5089 BT_DBG("%s", hdev->name);
5090
6659358e 5091 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 5092 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 5093 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5094 MGMT_STATUS_INVALID_PARAMS,
5095 &cp->addr, sizeof(cp->addr));
2faade53 5096
4b9e7e75 5097 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 5098 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5099 MGMT_STATUS_INVALID_PARAMS,
5100 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5101
5102 hci_dev_lock(hdev);
5103
6659358e 5104 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5105 /* Only incoming connections action is supported for now */
6659358e 5106 if (cp->action != 0x01) {
51d7a94d
JH		 5107 err = mgmt_cmd_complete(sk, hdev->id,
5108 MGMT_OP_ADD_DEVICE,
5109 MGMT_STATUS_INVALID_PARAMS,
5110 &cp->addr, sizeof(cp->addr));
6659358e
JH		 5111 goto unlock;
5112 }
5113
5114 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5115 cp->addr.type);
5116 if (err)
5117 goto unlock;
a397407f 5118
01b1cb87 5119 hci_req_update_scan(hdev);
a397407f 5120
6659358e
JH		 5121 goto added;
5122 }
5123
85813a7e 5124 addr_type = le_addr_type(cp->addr.type);
2faade53 5125
4b9e7e75 5126 if (cp->action == 0x02)
2faade53 5127 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5128 else if (cp->action == 0x01)
5129 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5130 else
a3451d27 5131 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5132
9a0a8a8e
JP		 5133 /* Kernel internally uses conn_params with resolvable private
5134 * address, but Add Device allows only identity addresses.
5135 * Make sure it is enforced before calling
5136 * hci_conn_params_lookup.
5137 */
5138 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 5139 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5140 MGMT_STATUS_INVALID_PARAMS,
5141 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 5142 goto unlock;
5143 }
5144
bf5b3c8b
MH		 5145 /* If the connection parameters don't exist for this device,
5146 * they will be created and configured with defaults.
5147 */
51d7a94d 5148 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
d06b50ce 5149 auto_conn) < 0) {
51d7a94d
JH		 5150 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5151 MGMT_STATUS_FAILED, &cp->addr,
5152 sizeof(cp->addr));
2faade53
MH		 5153 goto unlock;
5154 }
5155
51d7a94d
JH		 5156 hci_update_background_scan(hdev);
5157
6659358e 5158added:
8afef092
MH		 5159 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5160
51d7a94d
JH		 5161 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5162 MGMT_STATUS_SUCCESS, &cp->addr,
5163 sizeof(cp->addr));
2faade53
MH		 5164
5165unlock:
5166 hci_dev_unlock(hdev);
5167 return err;
5168}
5169
8afef092
MH		 5170static void device_removed(struct sock *sk, struct hci_dev *hdev,
5171 bdaddr_t *bdaddr, u8 type)
5172{
5173 struct mgmt_ev_device_removed ev;
5174
5175 bacpy(&ev.addr.bdaddr, bdaddr);
5176 ev.addr.type = type;
5177
5178 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5179}
5180
2faade53
MH		 5181static int remove_device(struct sock *sk, struct hci_dev *hdev,
5182 void *data, u16 len)
5183{
5184 struct mgmt_cp_remove_device *cp = data;
5185 int err;
5186
5187 BT_DBG("%s", hdev->name);
5188
5189 hci_dev_lock(hdev);
5190
5191 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5192 struct hci_conn_params *params;
2faade53
MH		 5193 u8 addr_type;
5194
6659358e 5195 if (!bdaddr_type_is_valid(cp->addr.type)) {
51d7a94d
JH		 5196 err = mgmt_cmd_complete(sk, hdev->id,
5197 MGMT_OP_REMOVE_DEVICE,
5198 MGMT_STATUS_INVALID_PARAMS,
5199 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5200 goto unlock;
5201 }
5202
6659358e
JH		 5203 if (cp->addr.type == BDADDR_BREDR) {
5204 err = hci_bdaddr_list_del(&hdev->whitelist,
5205 &cp->addr.bdaddr,
5206 cp->addr.type);
5207 if (err) {
51d7a94d
JH		 5208 err = mgmt_cmd_complete(sk, hdev->id,
5209 MGMT_OP_REMOVE_DEVICE,
5210 MGMT_STATUS_INVALID_PARAMS,
5211 &cp->addr,
5212 sizeof(cp->addr));
6659358e
JH		 5213 goto unlock;
5214 }
5215
01b1cb87 5216 hci_req_update_scan(hdev);
a397407f 5217
6659358e
JH		 5218 device_removed(sk, hdev, &cp->addr.bdaddr,
5219 cp->addr.type);
5220 goto complete;
5221 }
5222
85813a7e 5223 addr_type = le_addr_type(cp->addr.type);
2faade53 5224
9a0a8a8e
JP		 5225 /* Kernel internally uses conn_params with resolvable private
5226 * address, but Remove Device allows only identity addresses.
5227 * Make sure it is enforced before calling
5228 * hci_conn_params_lookup.
5229 */
5230 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 5231 err = mgmt_cmd_complete(sk, hdev->id,
5232 MGMT_OP_REMOVE_DEVICE,
5233 MGMT_STATUS_INVALID_PARAMS,
5234 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 5235 goto unlock;
5236 }
5237
c71593dd
JH		 5238 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5239 addr_type);
5240 if (!params) {
51d7a94d
JH		 5241 err = mgmt_cmd_complete(sk, hdev->id,
5242 MGMT_OP_REMOVE_DEVICE,
5243 MGMT_STATUS_INVALID_PARAMS,
5244 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 5245 goto unlock;
5246 }
5247
679d2b6f
JH		 5248 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
5249 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
51d7a94d
JH		 5250 err = mgmt_cmd_complete(sk, hdev->id,
5251 MGMT_OP_REMOVE_DEVICE,
5252 MGMT_STATUS_INVALID_PARAMS,
5253 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 5254 goto unlock;
5255 }
5256
d1dbf12e 5257 list_del(&params->action);
c71593dd
JH		 5258 list_del(&params->list);
5259 kfree(params);
51d7a94d 5260 hci_update_background_scan(hdev);
8afef092
MH		 5261
5262 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5263 } else {
19de0825 5264 struct hci_conn_params *p, *tmp;
6659358e 5265 struct bdaddr_list *b, *btmp;
19de0825 5266
2faade53 5267 if (cp->addr.type) {
51d7a94d
JH		 5268 err = mgmt_cmd_complete(sk, hdev->id,
5269 MGMT_OP_REMOVE_DEVICE,
5270 MGMT_STATUS_INVALID_PARAMS,
5271 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5272 goto unlock;
5273 }
5274
6659358e
JH		 5275 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5276 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5277 list_del(&b->list);
5278 kfree(b);
5279 }
5280
01b1cb87 5281 hci_req_update_scan(hdev);
a397407f 5282
19de0825
JH		 5283 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5284 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5285 continue;
5286 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 5287 if (p->explicit_connect) {
5288 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
5289 continue;
5290 }
19de0825
JH		 5291 list_del(&p->action);
5292 list_del(&p->list);
5293 kfree(p);
5294 }
5295
5296 BT_DBG("All LE connection parameters were removed");
5297
51d7a94d 5298 hci_update_background_scan(hdev);
2faade53
MH		 5299 }
5300
6659358e 5301complete:
51d7a94d
JH		 5302 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5303 MGMT_STATUS_SUCCESS, &cp->addr,
5304 sizeof(cp->addr));
2faade53
MH		 5305unlock:
5306 hci_dev_unlock(hdev);
5307 return err;
5308}
5309
a26f3dcf
JH		 5310static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5311 u16 len)
5312{
5313 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5314 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5315 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5316 u16 param_count, expected_len;
5317 int i;
5318
5319 if (!lmp_le_capable(hdev))
a69e8375
JH		 5320 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5321 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 5322
5323 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5324 if (param_count > max_param_count) {
5325 BT_ERR("load_conn_param: too big param_count value %u",
5326 param_count);
a69e8375
JH		 5327 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5328 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5329 }
a26f3dcf
JH		 5330
5331 expected_len = sizeof(*cp) + param_count *
5332 sizeof(struct mgmt_conn_param);
5333 if (expected_len != len) {
5334 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5335 expected_len, len);
a69e8375
JH		 5336 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5337 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 5338 }
5339
5340 BT_DBG("%s param_count %u", hdev->name, param_count);
5341
5342 hci_dev_lock(hdev);
5343
5344 hci_conn_params_clear_disabled(hdev);
5345
5346 for (i = 0; i < param_count; i++) {
5347 struct mgmt_conn_param *param = &cp->params[i];
5348 struct hci_conn_params *hci_param;
5349 u16 min, max, latency, timeout;
5350 u8 addr_type;
5351
5352 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5353 param->addr.type);
5354
5355 if (param->addr.type == BDADDR_LE_PUBLIC) {
5356 addr_type = ADDR_LE_DEV_PUBLIC;
5357 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5358 addr_type = ADDR_LE_DEV_RANDOM;
5359 } else {
5360 BT_ERR("Ignoring invalid connection parameters");
5361 continue;
5362 }
5363
5364 min = le16_to_cpu(param->min_interval);
5365 max = le16_to_cpu(param->max_interval);
5366 latency = le16_to_cpu(param->latency);
5367 timeout = le16_to_cpu(param->timeout);
5368
5369 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5370 min, max, latency, timeout);
5371
5372 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5373 BT_ERR("Ignoring invalid connection parameters");
5374 continue;
5375 }
5376
5377 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5378 addr_type);
5379 if (!hci_param) {
5380 BT_ERR("Failed to add connection parameters");
5381 continue;
5382 }
5383
5384 hci_param->conn_min_interval = min;
5385 hci_param->conn_max_interval = max;
5386 hci_param->conn_latency = latency;
5387 hci_param->supervision_timeout = timeout;
5388 }
5389
5390 hci_dev_unlock(hdev);
5391
2a1afb5a
JH		 5392 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
5393 NULL, 0);
a26f3dcf
JH		 5394}
5395
dbece37a
MH		 5396static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5397 void *data, u16 len)
5398{
5399 struct mgmt_cp_set_external_config *cp = data;
5400 bool changed;
5401 int err;
5402
5403 BT_DBG("%s", hdev->name);
5404
5405 if (hdev_is_powered(hdev))
a69e8375
JH		 5406 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5407 MGMT_STATUS_REJECTED);
dbece37a
MH		 5408
5409 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 5410 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5411 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 5412
5413 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 5414 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5415 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 5416
5417 hci_dev_lock(hdev);
5418
5419 if (cp->config)
238be788 5420 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 5421 else
a69d8927 5422 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 5423
5424 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5425 if (err < 0)
5426 goto unlock;
5427
5428 if (!changed)
5429 goto unlock;
5430
f4537c04
MH		 5431 err = new_options(hdev, sk);
5432
d7a5a11d 5433 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 5434 mgmt_index_removed(hdev);
d603b76b 5435
516018a9 5436 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 5437 hci_dev_set_flag(hdev, HCI_CONFIG);
5438 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 5439
5440 queue_work(hdev->req_workqueue, &hdev->power_on);
5441 } else {
5ea234d3 5442 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5443 mgmt_index_added(hdev);
5444 }
dbece37a
MH		 5445 }
5446
5447unlock:
5448 hci_dev_unlock(hdev);
5449 return err;
5450}
5451
9713c17b
MH		 5452static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5453 void *data, u16 len)
5454{
5455 struct mgmt_cp_set_public_address *cp = data;
5456 bool changed;
5457 int err;
5458
5459 BT_DBG("%s", hdev->name);
5460
5461 if (hdev_is_powered(hdev))
a69e8375
JH		 5462 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5463 MGMT_STATUS_REJECTED);
9713c17b
MH		 5464
5465 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 5466 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5467 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 5468
5469 if (!hdev->set_bdaddr)
a69e8375
JH		 5470 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5471 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 5472
5473 hci_dev_lock(hdev);
5474
5475 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5476 bacpy(&hdev->public_addr, &cp->bdaddr);
5477
5478 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5479 if (err < 0)
5480 goto unlock;
5481
5482 if (!changed)
5483 goto unlock;
5484
d7a5a11d 5485 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 5486 err = new_options(hdev, sk);
5487
5488 if (is_configured(hdev)) {
5489 mgmt_index_removed(hdev);
5490
a358dc11 5491 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 5492
a1536da2
MH		 5493 hci_dev_set_flag(hdev, HCI_CONFIG);
5494 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 5495
5496 queue_work(hdev->req_workqueue, &hdev->power_on);
5497 }
5498
5499unlock:
5500 hci_dev_unlock(hdev);
5501 return err;
5502}
5503
bea41609
MH		 5504static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
5505 u8 data_len)
5506{
5507 eir[eir_len++] = sizeof(type) + data_len;
5508 eir[eir_len++] = type;
5509 memcpy(&eir[eir_len], data, data_len);
5510 eir_len += data_len;
5511
5512 return eir_len;
5513}
5514
40f66c05
JH		 5515static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
5516 u16 opcode, struct sk_buff *skb)
5517{
5518 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
5519 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
5520 u8 *h192, *r192, *h256, *r256;
5521 struct mgmt_pending_cmd *cmd;
5522 u16 eir_len;
5523 int err;
5524
5525 BT_DBG("%s status %u", hdev->name, status);
5526
5527 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
5528 if (!cmd)
5529 return;
5530
5531 mgmt_cp = cmd->param;
5532
5533 if (status) {
5534 status = mgmt_status(status);
5535 eir_len = 0;
5536
5537 h192 = NULL;
5538 r192 = NULL;
5539 h256 = NULL;
5540 r256 = NULL;
5541 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
5542 struct hci_rp_read_local_oob_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 eir_len = 5 + 18 + 18;
5552 h192 = rp->hash;
5553 r192 = rp->rand;
5554 h256 = NULL;
5555 r256 = NULL;
5556 }
5557 } else {
5558 struct hci_rp_read_local_oob_ext_data *rp;
5559
5560 if (skb->len != sizeof(*rp)) {
5561 status = MGMT_STATUS_FAILED;
5562 eir_len = 0;
5563 } else {
5564 status = MGMT_STATUS_SUCCESS;
5565 rp = (void *)skb->data;
5566
5567 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
5568 eir_len = 5 + 18 + 18;
5569 h192 = NULL;
5570 r192 = NULL;
5571 } else {
5572 eir_len = 5 + 18 + 18 + 18 + 18;
5573 h192 = rp->hash192;
5574 r192 = rp->rand192;
5575 }
5576
5577 h256 = rp->hash256;
5578 r256 = rp->rand256;
5579 }
5580 }
5581
5582 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
5583 if (!mgmt_rp)
5584 goto done;
5585
5586 if (status)
5587 goto send_rsp;
5588
5589 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
5590 hdev->dev_class, 3);
5591
5592 if (h192 && r192) {
5593 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5594 EIR_SSP_HASH_C192, h192, 16);
5595 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5596 EIR_SSP_RAND_R192, r192, 16);
5597 }
5598
5599 if (h256 && r256) {
5600 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5601 EIR_SSP_HASH_C256, h256, 16);
5602 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5603 EIR_SSP_RAND_R256, r256, 16);
5604 }
5605
5606send_rsp:
5607 mgmt_rp->type = mgmt_cp->type;
5608 mgmt_rp->eir_len = cpu_to_le16(eir_len);
5609
5610 err = mgmt_cmd_complete(cmd->sk, hdev->id,
5611 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
5612 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
5613 if (err < 0 || status)
5614 goto done;
5615
5616 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
5617
5618 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
5619 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
5620 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
5621done:
5622 kfree(mgmt_rp);
5623 mgmt_pending_remove(cmd);
5624}
5625
5626static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
5627 struct mgmt_cp_read_local_oob_ext_data *cp)
5628{
5629 struct mgmt_pending_cmd *cmd;
5630 struct hci_request req;
5631 int err;
5632
5633 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
5634 cp, sizeof(*cp));
5635 if (!cmd)
5636 return -ENOMEM;
5637
5638 hci_req_init(&req, hdev);
5639
5640 if (bredr_sc_enabled(hdev))
5641 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
5642 else
5643 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
5644
5645 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
5646 if (err < 0) {
5647 mgmt_pending_remove(cmd);
5648 return err;
5649 }
5650
5651 return 0;
5652}
5653
4f0f155c
MH		 5654static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
5655 void *data, u16 data_len)
5656{
5657 struct mgmt_cp_read_local_oob_ext_data *cp = data;
5658 struct mgmt_rp_read_local_oob_ext_data *rp;
5659 size_t rp_len;
5660 u16 eir_len;
0821a2c5 5661 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 5662 int err;
5663
5664 BT_DBG("%s", hdev->name);
5665
57b0d3e8
MH		 5666 if (hdev_is_powered(hdev)) {
5667 switch (cp->type) {
5668 case BIT(BDADDR_BREDR):
5669 status = mgmt_bredr_support(hdev);
5670 if (status)
5671 eir_len = 0;
5672 else
5673 eir_len = 5;
5674 break;
5675 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5676 status = mgmt_le_support(hdev);
5677 if (status)
5678 eir_len = 0;
5679 else
5680 eir_len = 9 + 3 + 18 + 18 + 3;
5681 break;
5682 default:
5683 status = MGMT_STATUS_INVALID_PARAMS;
5684 eir_len = 0;
5685 break;
5686 }
5687 } else {
5688 status = MGMT_STATUS_NOT_POWERED;
5689 eir_len = 0;
4f0f155c
MH		 5690 }
5691
4f0f155c
MH		 5692 rp_len = sizeof(*rp) + eir_len;
5693 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 5694 if (!rp)
4f0f155c 5695 return -ENOMEM;
efcd8c98 5696
57b0d3e8
MH		 5697 if (status)
5698 goto complete;
5699
efcd8c98 5700 hci_dev_lock(hdev);
4f0f155c
MH		 5701
5702 eir_len = 0;
5703 switch (cp->type) {
5704 case BIT(BDADDR_BREDR):
40f66c05
JH		 5705 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
5706 err = read_local_ssp_oob_req(hdev, sk, cp);
5707 hci_dev_unlock(hdev);
5708 if (!err)
5709 goto done;
5710
5711 status = MGMT_STATUS_FAILED;
5712 goto complete;
5713 } else {
5714 eir_len = eir_append_data(rp->eir, eir_len,
5715 EIR_CLASS_OF_DEV,
5716 hdev->dev_class, 3);
5717 }
4f0f155c
MH		 5718 break;
5719 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 5720 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5721 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 5722 hci_dev_unlock(hdev);
57b0d3e8
MH		 5723 status = MGMT_STATUS_FAILED;
5724 goto complete;
0821a2c5
MH		 5725 }
5726
e213568a
MH		 5727 /* This should return the active RPA, but since the RPA
5728 * is only programmed on demand, it is really hard to fill
5729 * this in at the moment. For now disallow retrieving
5730 * local out-of-band data when privacy is in use.
5731 *
5732 * Returning the identity address will not help here since
5733 * pairing happens before the identity resolving key is
5734 * known and thus the connection establishment happens
5735 * based on the RPA and not the identity address.
5736 */
4f0f155c 5737 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 5738 hci_dev_unlock(hdev);
5739 status = MGMT_STATUS_REJECTED;
5740 goto complete;
5741 }
5742
5743 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
5744 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
5745 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
5746 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 5747 memcpy(addr, &hdev->static_addr, 6);
5748 addr[6] = 0x01;
5749 } else {
5750 memcpy(addr, &hdev->bdaddr, 6);
5751 addr[6] = 0x00;
5752 }
5753
5754 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
5755 addr, sizeof(addr));
5756
5757 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
5758 role = 0x02;
5759 else
5760 role = 0x01;
5761
5762 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
5763 &role, sizeof(role));
5764
5082a599
MH		 5765 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
5766 eir_len = eir_append_data(rp->eir, eir_len,
5767 EIR_LE_SC_CONFIRM,
5768 hash, sizeof(hash));
0821a2c5 5769
5082a599
MH		 5770 eir_len = eir_append_data(rp->eir, eir_len,
5771 EIR_LE_SC_RANDOM,
5772 rand, sizeof(rand));
5773 }
0821a2c5 5774
f2252570 5775 flags = mgmt_get_adv_discov_flags(hdev);
4f0f155c
MH		 5776
5777 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
5778 flags |= LE_AD_NO_BREDR;
5779
5780 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
5781 &flags, sizeof(flags));
5782 break;
5783 }
5784
4f0f155c
MH		 5785 hci_dev_unlock(hdev);
5786
72000df2
MH		 5787 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
5788
57b0d3e8
MH		 5789 status = MGMT_STATUS_SUCCESS;
5790
5791complete:
efcd8c98
MH		 5792 rp->type = cp->type;
5793 rp->eir_len = cpu_to_le16(eir_len);
5794
4f0f155c 5795 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 5796 status, rp, sizeof(*rp) + eir_len);
5797 if (err < 0 || status)
72000df2
MH		 5798 goto done;
5799
5800 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
5801 rp, sizeof(*rp) + eir_len,
5802 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 5803
0821a2c5 5804done:
4f0f155c
MH		 5805 kfree(rp);
5806
5807 return err;
5808}
5809
089fa8c0
AU		 5810static u32 get_supported_adv_flags(struct hci_dev *hdev)
5811{
5812 u32 flags = 0;
5813
5814 flags |= MGMT_ADV_FLAG_CONNECTABLE;
5815 flags |= MGMT_ADV_FLAG_DISCOV;
5816 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
5817 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
5818
5819 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
5820 flags |= MGMT_ADV_FLAG_TX_POWER;
5821
5822 return flags;
5823}
5824
d3d5305b
MH		 5825static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
5826 void *data, u16 data_len)
5827{
5828 struct mgmt_rp_read_adv_features *rp;
5829 size_t rp_len;
02c04afe 5830 int err;
286e0c83 5831 struct adv_info *adv_instance;
089fa8c0 5832 u32 supported_flags;
02c04afe 5833 u8 *instance;
d3d5305b
MH		 5834
5835 BT_DBG("%s", hdev->name);
5836
089fa8c0
AU		 5837 if (!lmp_le_capable(hdev))
5838 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
5839 MGMT_STATUS_REJECTED);
5840
d3d5305b
MH		 5841 hci_dev_lock(hdev);
5842
02c04afe 5843 rp_len = sizeof(*rp) + hdev->adv_instance_cnt;
d3d5305b
MH		 5844 rp = kmalloc(rp_len, GFP_ATOMIC);
5845 if (!rp) {
5846 hci_dev_unlock(hdev);
5847 return -ENOMEM;
5848 }
5849
089fa8c0
AU		 5850 supported_flags = get_supported_adv_flags(hdev);
5851
5852 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 5853 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
5854 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 5855 rp->max_instances = HCI_MAX_ADV_INSTANCES;
02c04afe 5856 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f 5857
02c04afe
JH		 5858 instance = rp->instance;
5859 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
5860 *instance = adv_instance->instance;
5861 instance++;
24b4f38f 5862 }
d3d5305b
MH		 5863
5864 hci_dev_unlock(hdev);
5865
5866 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
5867 MGMT_STATUS_SUCCESS, rp, rp_len);
5868
5869 kfree(rp);
5870
5871 return err;
5872}
5873
4117ed70 5874static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
b44133ff 5875 u8 len, bool is_adv_data)
24b4f38f 5876{
4117ed70 5877 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 5878 int i, cur_len;
b44133ff 5879 bool flags_managed = false;
5507e358 5880 bool tx_power_managed = false;
24b4f38f 5881
31a3248d
MH		 5882 if (is_adv_data) {
5883 if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
5884 MGMT_ADV_FLAG_LIMITED_DISCOV |
5885 MGMT_ADV_FLAG_MANAGED_FLAGS)) {
5886 flags_managed = true;
5887 max_len -= 3;
5888 }
24b4f38f 5889
31a3248d
MH		 5890 if (adv_flags & MGMT_ADV_FLAG_TX_POWER) {
5891 tx_power_managed = true;
5892 max_len -= 3;
5893 }
5507e358
AU		 5894 }
5895
4117ed70 5896 if (len > max_len)
24b4f38f
AU		 5897 return false;
5898
4117ed70
AU		 5899 /* Make sure that the data is correctly formatted. */
5900 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
5901 cur_len = data[i];
24b4f38f 5902
b44133ff
AU		 5903 if (flags_managed && data[i + 1] == EIR_FLAGS)
5904 return false;
5905
5507e358
AU		 5906 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
5907 return false;
5908
24b4f38f
AU		 5909 /* If the current field length would exceed the total data
5910 * length, then it's invalid.
5911 */
4117ed70 5912 if (i + cur_len >= len)
24b4f38f
AU		 5913 return false;
5914 }
5915
5916 return true;
5917}
5918
24b4f38f
AU		 5919static void add_advertising_complete(struct hci_dev *hdev, u8 status,
5920 u16 opcode)
5921{
5922 struct mgmt_pending_cmd *cmd;
fffd38bc 5923 struct mgmt_cp_add_advertising *cp;
24b4f38f 5924 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 5925 struct adv_info *adv_instance, *n;
5926 u8 instance;
24b4f38f
AU		 5927
5928 BT_DBG("status %d", status);
5929
5930 hci_dev_lock(hdev);
5931
5932 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
5933
fffd38bc
FG		 5934 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
5935 if (!adv_instance->pending)
5936 continue;
5937
5938 if (!status) {
5939 adv_instance->pending = false;
5940 continue;
5941 }
5942
5943 instance = adv_instance->instance;
5944
5945 if (hdev->cur_adv_instance == instance)
5946 cancel_adv_timeout(hdev);
5947
5948 hci_remove_adv_instance(hdev, instance);
f2252570 5949 mgmt_advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 5950 }
5951
5952 if (!cmd)
5953 goto unlock;
5954
fffd38bc
FG		 5955 cp = cmd->param;
5956 rp.instance = cp->instance;
24b4f38f
AU		 5957
5958 if (status)
5959 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5960 mgmt_status(status));
5961 else
5962 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
5963 mgmt_status(status), &rp, sizeof(rp));
5964
5965 mgmt_pending_remove(cmd);
5966
5967unlock:
5968 hci_dev_unlock(hdev);
5969}
5970
5971static int add_advertising(struct sock *sk, struct hci_dev *hdev,
5972 void *data, u16 data_len)
5973{
5974 struct mgmt_cp_add_advertising *cp = data;
5975 struct mgmt_rp_add_advertising rp;
5976 u32 flags;
089fa8c0 5977 u32 supported_flags;
24b4f38f 5978 u8 status;
fffd38bc
FG		 5979 u16 timeout, duration;
5980 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
5981 u8 schedule_instance = 0;
5982 struct adv_info *next_instance;
24b4f38f
AU		 5983 int err;
5984 struct mgmt_pending_cmd *cmd;
5985 struct hci_request req;
5986
5987 BT_DBG("%s", hdev->name);
5988
5989 status = mgmt_le_support(hdev);
5990 if (status)
5991 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5992 status);
5993
ceff86af 5994 if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
6a0e7807
JH		 5995 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5996 MGMT_STATUS_INVALID_PARAMS);
5997
5998 if (data_len != sizeof(*cp) + cp->adv_data_len + cp->scan_rsp_len)
ceff86af
MH		 5999 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6000 MGMT_STATUS_INVALID_PARAMS);
6001
24b4f38f 6002 flags = __le32_to_cpu(cp->flags);
912098a6 6003 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 6004 duration = __le16_to_cpu(cp->duration);
24b4f38f 6005
fffd38bc
FG		 6006 /* The current implementation only supports a subset of the specified
6007 * flags.
089fa8c0
AU		 6008 */
6009 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 6010 if (flags & ~supported_flags)
24b4f38f
AU		 6011 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6012 MGMT_STATUS_INVALID_PARAMS);
6013
6014 hci_dev_lock(hdev);
6015
912098a6
AU		 6016 if (timeout && !hdev_is_powered(hdev)) {
6017 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6018 MGMT_STATUS_REJECTED);
6019 goto unlock;
6020 }
6021
24b4f38f 6022 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 6023 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 6024 pending_find(MGMT_OP_SET_LE, hdev)) {
6025 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6026 MGMT_STATUS_BUSY);
6027 goto unlock;
6028 }
6029
b44133ff 6030 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
4117ed70 6031 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
b44133ff 6032 cp->scan_rsp_len, false)) {
24b4f38f
AU		 6033 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6034 MGMT_STATUS_INVALID_PARAMS);
6035 goto unlock;
6036 }
6037
fffd38bc
FG		 6038 err = hci_add_adv_instance(hdev, cp->instance, flags,
6039 cp->adv_data_len, cp->data,
6040 cp->scan_rsp_len,
6041 cp->data + cp->adv_data_len,
6042 timeout, duration);
6043 if (err < 0) {
6044 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6045 MGMT_STATUS_FAILED);
6046 goto unlock;
6047 }
24b4f38f 6048
fffd38bc
FG		 6049 /* Only trigger an advertising added event if a new instance was
6050 * actually added.
6051 */
6052 if (hdev->adv_instance_cnt > prev_instance_cnt)
f2252570 6053 mgmt_advertising_added(sk, hdev, cp->instance);
912098a6 6054
fffd38bc
FG		 6055 if (hdev->cur_adv_instance == cp->instance) {
6056 /* If the currently advertised instance is being changed then
6057 * cancel the current advertising and schedule the next
6058 * instance. If there is only one instance then the overridden
6059 * advertising data will be visible right away.
6060 */
6061 cancel_adv_timeout(hdev);
912098a6 6062
fffd38bc
FG		 6063 next_instance = hci_get_next_instance(hdev, cp->instance);
6064 if (next_instance)
6065 schedule_instance = next_instance->instance;
6066 } else if (!hdev->adv_instance_timeout) {
6067 /* Immediately advertise the new instance if no other
6068 * instance is currently being advertised.
6069 */
6070 schedule_instance = cp->instance;
6071 }
24b4f38f 6072
fffd38bc
FG		 6073 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
6074 * there is no instance to be advertised then we have no HCI
6075 * communication to make. Simply return.
24b4f38f
AU		 6076 */
6077 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 6078 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
6079 !schedule_instance) {
6080 rp.instance = cp->instance;
24b4f38f
AU		 6081 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6082 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6083 goto unlock;
6084 }
6085
6086 /* We're good to go, update advertising data, parameters, and start
6087 * advertising.
6088 */
6089 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
6090 data_len);
6091 if (!cmd) {
6092 err = -ENOMEM;
6093 goto unlock;
6094 }
6095
6096 hci_req_init(&req, hdev);
6097
f2252570 6098 err = __hci_req_schedule_adv_instance(&req, schedule_instance, true);
fffd38bc
FG		 6099
6100 if (!err)
6101 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 6102
24b4f38f
AU		 6103 if (err < 0)
6104 mgmt_pending_remove(cmd);
6105
6106unlock:
6107 hci_dev_unlock(hdev);
6108
6109 return err;
6110}
6111
da929335
AU		 6112static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
6113 u16 opcode)
6114{
6115 struct mgmt_pending_cmd *cmd;
01948331 6116 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 6117 struct mgmt_rp_remove_advertising rp;
6118
6119 BT_DBG("status %d", status);
6120
6121 hci_dev_lock(hdev);
6122
6123 /* A failure status here only means that we failed to disable
6124 * advertising. Otherwise, the advertising instance has been removed,
6125 * so report success.
6126 */
6127 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
6128 if (!cmd)
6129 goto unlock;
6130
01948331
FG		 6131 cp = cmd->param;
6132 rp.instance = cp->instance;
da929335
AU		 6133
6134 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
6135 &rp, sizeof(rp));
6136 mgmt_pending_remove(cmd);
6137
6138unlock:
6139 hci_dev_unlock(hdev);
6140}
6141
6142static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
6143 void *data, u16 data_len)
6144{
6145 struct mgmt_cp_remove_advertising *cp = data;
6146 struct mgmt_rp_remove_advertising rp;
da929335
AU		 6147 struct mgmt_pending_cmd *cmd;
6148 struct hci_request req;
952497b1 6149 int err;
da929335
AU		 6150
6151 BT_DBG("%s", hdev->name);
6152
da929335
AU		 6153 hci_dev_lock(hdev);
6154
952497b1 6155 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 6156 err = mgmt_cmd_status(sk, hdev->id,
6157 MGMT_OP_REMOVE_ADVERTISING,
6158 MGMT_STATUS_INVALID_PARAMS);
6159 goto unlock;
6160 }
6161
da929335
AU		 6162 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
6163 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
6164 pending_find(MGMT_OP_SET_LE, hdev)) {
6165 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
6166 MGMT_STATUS_BUSY);
6167 goto unlock;
6168 }
6169
17fd08ff 6170 if (list_empty(&hdev->adv_instances)) {
da929335
AU		 6171 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
6172 MGMT_STATUS_INVALID_PARAMS);
6173 goto unlock;
6174 }
6175
01948331 6176 hci_req_init(&req, hdev);
da929335 6177
f2252570 6178 hci_req_clear_adv_instance(hdev, &req, cp->instance, true);
da929335 6179
01948331 6180 if (list_empty(&hdev->adv_instances))
f2252570 6181 __hci_req_disable_advertising(&req);
da929335 6182
01948331
FG		 6183 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
6184 * flag is set or the device isn't powered then we have no HCI
6185 * communication to make. Simply return.
da929335 6186 */
01948331
FG		 6187 if (skb_queue_empty(&req.cmd_q) ||
6188 !hdev_is_powered(hdev) ||
da929335 6189 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 6190 rp.instance = cp->instance;
da929335
AU		 6191 err = mgmt_cmd_complete(sk, hdev->id,
6192 MGMT_OP_REMOVE_ADVERTISING,
6193 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6194 goto unlock;
6195 }
6196
6197 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
6198 data_len);
6199 if (!cmd) {
6200 err = -ENOMEM;
6201 goto unlock;
6202 }
6203
da929335
AU		 6204 err = hci_req_run(&req, remove_advertising_complete);
6205 if (err < 0)
6206 mgmt_pending_remove(cmd);
6207
6208unlock:
6209 hci_dev_unlock(hdev);
6210
6211 return err;
6212}
6213
40b25fe5
MH		 6214static u8 tlv_data_max_len(u32 adv_flags, bool is_adv_data)
6215{
6216 u8 max_len = HCI_MAX_AD_LENGTH;
6217
6218 if (is_adv_data) {
6219 if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
6220 MGMT_ADV_FLAG_LIMITED_DISCOV |
6221 MGMT_ADV_FLAG_MANAGED_FLAGS))
6222 max_len -= 3;
6223
6224 if (adv_flags & MGMT_ADV_FLAG_TX_POWER)
6225 max_len -= 3;
6226 }
6227
6228 return max_len;
6229}
6230
6231static int get_adv_size_info(struct sock *sk, struct hci_dev *hdev,
6232 void *data, u16 data_len)
6233{
6234 struct mgmt_cp_get_adv_size_info *cp = data;
6235 struct mgmt_rp_get_adv_size_info rp;
6236 u32 flags, supported_flags;
6237 int err;
6238
6239 BT_DBG("%s", hdev->name);
6240
6241 if (!lmp_le_capable(hdev))
6242 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6243 MGMT_STATUS_REJECTED);
6244
6245 if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
6246 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6247 MGMT_STATUS_INVALID_PARAMS);
6248
6249 flags = __le32_to_cpu(cp->flags);
6250
6251 /* The current implementation only supports a subset of the specified
6252 * flags.
6253 */
6254 supported_flags = get_supported_adv_flags(hdev);
6255 if (flags & ~supported_flags)
6256 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6257 MGMT_STATUS_INVALID_PARAMS);
6258
6259 rp.instance = cp->instance;
6260 rp.flags = cp->flags;
6261 rp.max_adv_data_len = tlv_data_max_len(flags, true);
6262 rp.max_scan_rsp_len = tlv_data_max_len(flags, false);
6263
6264 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6265 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6266
6267 return err;
6268}
6269
6d785aa3 6270static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 6271 { NULL }, /* 0x0000 (no command) */
b9a245fb 6272 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 6273 HCI_MGMT_NO_HDEV |
6274 HCI_MGMT_UNTRUSTED },
b9a245fb 6275 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 6276 HCI_MGMT_NO_HDEV |
6277 HCI_MGMT_UNTRUSTED },
b9a245fb 6278 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 6279 HCI_MGMT_NO_HDEV |
6280 HCI_MGMT_UNTRUSTED },
6281 { read_controller_info, MGMT_READ_INFO_SIZE,
6282 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 6283 { set_powered, MGMT_SETTING_SIZE },
6284 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
6285 { set_connectable, MGMT_SETTING_SIZE },
6286 { set_fast_connectable, MGMT_SETTING_SIZE },
6287 { set_bondable, MGMT_SETTING_SIZE },
6288 { set_link_security, MGMT_SETTING_SIZE },
6289 { set_ssp, MGMT_SETTING_SIZE },
6290 { set_hs, MGMT_SETTING_SIZE },
6291 { set_le, MGMT_SETTING_SIZE },
6292 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
6293 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
6294 { add_uuid, MGMT_ADD_UUID_SIZE },
6295 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 6296 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
6297 HCI_MGMT_VAR_LEN },
6298 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
6299 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6300 { disconnect, MGMT_DISCONNECT_SIZE },
6301 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
6302 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
6303 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
6304 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
6305 { pair_device, MGMT_PAIR_DEVICE_SIZE },
6306 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
6307 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
6308 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
6309 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
6310 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
6311 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 6312 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
6313 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
6314 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6315 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
6316 { start_discovery, MGMT_START_DISCOVERY_SIZE },
6317 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
6318 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
6319 { block_device, MGMT_BLOCK_DEVICE_SIZE },
6320 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
6321 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
6322 { set_advertising, MGMT_SETTING_SIZE },
6323 { set_bredr, MGMT_SETTING_SIZE },
6324 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
6325 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
6326 { set_secure_conn, MGMT_SETTING_SIZE },
6327 { set_debug_keys, MGMT_SETTING_SIZE },
6328 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 6329 { load_irks, MGMT_LOAD_IRKS_SIZE,
6330 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6331 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
6332 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
6333 { add_device, MGMT_ADD_DEVICE_SIZE },
6334 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 6335 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
6336 HCI_MGMT_VAR_LEN },
6337 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 6338 HCI_MGMT_NO_HDEV |
6339 HCI_MGMT_UNTRUSTED },
b9a245fb 6340 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 6341 HCI_MGMT_UNCONFIGURED |
6342 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 6343 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
6344 HCI_MGMT_UNCONFIGURED },
6345 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
6346 HCI_MGMT_UNCONFIGURED },
6347 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
6348 HCI_MGMT_VAR_LEN },
4f0f155c 6349 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 6350 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 6351 HCI_MGMT_NO_HDEV |
6352 HCI_MGMT_UNTRUSTED },
d3d5305b 6353 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 6354 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
6355 HCI_MGMT_VAR_LEN },
da929335 6356 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
40b25fe5 6357 { get_adv_size_info, MGMT_GET_ADV_SIZE_INFO_SIZE },
78b781ca 6358 { start_limited_discovery, MGMT_START_DISCOVERY_SIZE },
0f4e68cf
JH		 6359};
6360
bf6b56db 6361void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 6362{
ced85549 6363 struct mgmt_ev_ext_index ev;
bb4b2a9a 6364
0602a8ad
MH		 6365 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
6366 return;
6367
f9207338
MH		 6368 switch (hdev->dev_type) {
6369 case HCI_BREDR:
6370 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
6371 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
6372 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 6373 ev.type = 0x01;
f9207338
MH		 6374 } else {
6375 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
6376 HCI_MGMT_INDEX_EVENTS);
ced85549 6377 ev.type = 0x00;
f9207338
MH		 6378 }
6379 break;
ced85549
MH		 6380 case HCI_AMP:
6381 ev.type = 0x02;
6382 break;
6383 default:
6384 return;
f9207338 6385 }
ced85549
MH		 6386
6387 ev.bus = hdev->bus;
6388
6389 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
6390 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 6391}
6392
bf6b56db 6393void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 6394{
ced85549 6395 struct mgmt_ev_ext_index ev;
5f159032 6396 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 6397
0602a8ad
MH		 6398 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
6399 return;
6400
f9207338
MH		 6401 switch (hdev->dev_type) {
6402 case HCI_BREDR:
6403 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 6404
f9207338
MH		 6405 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
6406 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
6407 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 6408 ev.type = 0x01;
f9207338
MH		 6409 } else {
6410 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
6411 HCI_MGMT_INDEX_EVENTS);
ced85549 6412 ev.type = 0x00;
f9207338
MH		 6413 }
6414 break;
ced85549
MH		 6415 case HCI_AMP:
6416 ev.type = 0x02;
6417 break;
6418 default:
6419 return;
f9207338 6420 }
ced85549
MH		 6421
6422 ev.bus = hdev->bus;
6423
6424 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
6425 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 6426}
6427
6046dc3e 6428/* This function requires the caller holds hdev->lock */
af02dd44 6429static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 6430{
6431 struct hci_conn_params *p;
6432
6433 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 6434 /* Needed for AUTO_OFF case where might not "really"
6435 * have been powered off.
6436 */
6437 list_del_init(&p->action);
6438
6439 switch (p->auto_connect) {
4b9e7e75 6440 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 6441 case HCI_AUTO_CONN_ALWAYS:
6442 list_add(&p->action, &hdev->pend_le_conns);
6443 break;
6444 case HCI_AUTO_CONN_REPORT:
6445 list_add(&p->action, &hdev->pend_le_reports);
6446 break;
6447 default:
6448 break;
c83ed19d 6449 }
6046dc3e
AG		 6450 }
6451}
6452
2ff13894 6453void mgmt_power_on(struct hci_dev *hdev, int err)
229ab39c
JH		 6454{
6455 struct cmd_lookup match = { NULL, hdev };
6456
2ff13894 6457 BT_DBG("err %d", err);
229ab39c 6458
2ff13894
JH		 6459 hci_dev_lock(hdev);
6460
6461 if (!err) {
af02dd44
JH		 6462 restart_le_actions(hdev);
6463 hci_update_background_scan(hdev);
162a3bac
MH		 6464 }
6465
229ab39c
JH		 6466 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6467
6468 new_settings(hdev, match.sk);
6469
229ab39c
JH		 6470 if (match.sk)
6471 sock_put(match.sk);
229ab39c 6472
2ff13894 6473 hci_dev_unlock(hdev);
70da6243 6474}
562fcc24 6475
2ff13894 6476void __mgmt_power_off(struct hci_dev *hdev)
70da6243
JH		 6477{
6478 struct cmd_lookup match = { NULL, hdev };
9845904f 6479 u8 status, zero_cod[] = { 0, 0, 0 };
b24752fe 6480
229ab39c 6481 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 6482
6483 /* If the power off is because of hdev unregistration let
6484 * use the appropriate INVALID_INDEX status. Otherwise use
6485 * NOT_POWERED. We cover both scenarios here since later in
6486 * mgmt_index_removed() any hci_conn callbacks will have already
6487 * been triggered, potentially causing misleading DISCONNECTED
6488 * status responses.
6489 */
d7a5a11d 6490 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 6491 status = MGMT_STATUS_INVALID_INDEX;
6492 else
6493 status = MGMT_STATUS_NOT_POWERED;
6494
6495 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c
JH		 6496
6497 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
f6b7712e
MH		 6498 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6499 zero_cod, sizeof(zero_cod), NULL);
229ab39c 6500
2ff13894 6501 new_settings(hdev, match.sk);
eec8d2bc
JH		 6502
6503 if (match.sk)
6504 sock_put(match.sk);
5add6af8 6505}
73f22f62 6506
3eec705e 6507void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 6508{
3b0602cd 6509 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 6510 u8 status;
6511
333ae95d 6512 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 6513 if (!cmd)
3eec705e 6514 return;
96570ffc
JH		 6515
6516 if (err == -ERFKILL)
6517 status = MGMT_STATUS_RFKILLED;
6518 else
6519 status = MGMT_STATUS_FAILED;
6520
a69e8375 6521 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 6522
6523 mgmt_pending_remove(cmd);
96570ffc
JH		 6524}
6525
dc4a5ee2
MH		 6526void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6527 bool persistent)
55ed8ca1 6528{
86742e1e 6529 struct mgmt_ev_new_link_key ev;
55ed8ca1 6530
a492cd52 6531 memset(&ev, 0, sizeof(ev));
55ed8ca1 6532
a492cd52 6533 ev.store_hint = persistent;
d753fdc4 6534 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6535 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6536 ev.key.type = key->type;
9b3b4460 6537 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6538 ev.key.pin_len = key->pin_len;
55ed8ca1 6539
dc4a5ee2 6540 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6541}
f7520543 6542
d7b25450
JH		 6543static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6544{
23fb8de3
JH		 6545 switch (ltk->type) {
6546 case SMP_LTK:
6547 case SMP_LTK_SLAVE:
6548 if (ltk->authenticated)
6549 return MGMT_LTK_AUTHENTICATED;
6550 return MGMT_LTK_UNAUTHENTICATED;
6551 case SMP_LTK_P256:
6552 if (ltk->authenticated)
6553 return MGMT_LTK_P256_AUTH;
6554 return MGMT_LTK_P256_UNAUTH;
6555 case SMP_LTK_P256_DEBUG:
6556 return MGMT_LTK_P256_DEBUG;
6557 }
d7b25450
JH		 6558
6559 return MGMT_LTK_UNAUTHENTICATED;
6560}
6561
53ac6ab6 6562void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6563{
6564 struct mgmt_ev_new_long_term_key ev;
6565
6566 memset(&ev, 0, sizeof(ev));
6567
5192d301 6568 /* Devices using resolvable or non-resolvable random addresses
f72186d2 6569 * without providing an identity resolving key don't require
5192d301
MH		 6570 * to store long term keys. Their addresses will change the
6571 * next time around.
6572 *
6573 * Only when a remote device provides an identity address
6574 * make sure the long term key is stored. If the remote
6575 * identity is known, the long term keys are internally
6576 * mapped to the identity address. So allow static random
6577 * and public addresses here.
6578 */
ba74b666
JH		 6579 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6580 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6581 ev.store_hint = 0x00;
6582 else
53ac6ab6 6583 ev.store_hint = persistent;
ba74b666 6584
346af67b 6585 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6586 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6587 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6588 ev.key.enc_size = key->enc_size;
6589 ev.key.ediv = key->ediv;
fe39c7b2 6590 ev.key.rand = key->rand;
346af67b 6591
2ceba539 6592 if (key->type == SMP_LTK)
346af67b
VCG		 6593 ev.key.master = 1;
6594
1fc62c52
JH		 6595 /* Make sure we copy only the significant bytes based on the
6596 * encryption key size, and set the rest of the value to zeroes.
6597 */
cb92205b 6598 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 6599 memset(ev.key.val + key->enc_size, 0,
6600 sizeof(ev.key.val) - key->enc_size);
346af67b 6601
083368f7 6602 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6603}
6604
cad20c27 6605void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
95fbac8a
JH		 6606{
6607 struct mgmt_ev_new_irk ev;
6608
6609 memset(&ev, 0, sizeof(ev));
6610
cad20c27 6611 ev.store_hint = persistent;
bab6d1e5 6612
95fbac8a
JH		 6613 bacpy(&ev.rpa, &irk->rpa);
6614 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6615 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6616 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6617
6618 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6619}
6620
53ac6ab6
MH		 6621void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6622 bool persistent)
7ee4ea36
MH		 6623{
6624 struct mgmt_ev_new_csrk ev;
6625
6626 memset(&ev, 0, sizeof(ev));
6627
6628 /* Devices using resolvable or non-resolvable random addresses
f72186d2 6629 * without providing an identity resolving key don't require
7ee4ea36
MH		 6630 * to store signature resolving keys. Their addresses will change
6631 * the next time around.
6632 *
6633 * Only when a remote device provides an identity address
6634 * make sure the signature resolving key is stored. So allow
6635 * static random and public addresses here.
6636 */
6637 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6638 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6639 ev.store_hint = 0x00;
6640 else
53ac6ab6 6641 ev.store_hint = persistent;
7ee4ea36
MH		 6642
6643 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6644 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 6645 ev.key.type = csrk->type;
7ee4ea36
MH		 6646 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6647
6648 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6649}
6650
ffb5a827 6651void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6652 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6653 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6654{
6655 struct mgmt_ev_new_conn_param ev;
6656
c103aea6
JH		 6657 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6658 return;
6659
ffb5a827
AG		 6660 memset(&ev, 0, sizeof(ev));
6661 bacpy(&ev.addr.bdaddr, bdaddr);
6662 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6663 ev.store_hint = store_hint;
ffb5a827
AG		 6664 ev.min_interval = cpu_to_le16(min_interval);
6665 ev.max_interval = cpu_to_le16(max_interval);
6666 ev.latency = cpu_to_le16(latency);
6667 ev.timeout = cpu_to_le16(timeout);
6668
6669 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6670}
6671
48ec92fa
AA		 6672void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
6673 u32 flags, u8 *name, u8 name_len)
f7520543 6674{
b644ba33
JH		 6675 char buf[512];
6676 struct mgmt_ev_device_connected *ev = (void *) buf;
6677 u16 eir_len = 0;
f7520543 6678
48ec92fa
AA		 6679 bacpy(&ev->addr.bdaddr, &conn->dst);
6680 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 6681
c95f0ba7 6682 ev->flags = __cpu_to_le32(flags);
08c79b61 6683
fd45ada9
AA		 6684 /* We must ensure that the EIR Data fields are ordered and
6685 * unique. Keep it simple for now and avoid the problem by not
6686 * adding any BR/EDR data to the LE adv.
6687 */
6688 if (conn->le_adv_data_len > 0) {
6689 memcpy(&ev->eir[eir_len],
6690 conn->le_adv_data, conn->le_adv_data_len);
6691 eir_len = conn->le_adv_data_len;
6692 } else {
6693 if (name_len > 0)
6694 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
6695 name, name_len);
b644ba33 6696
ddbea5cf 6697 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 6698 eir_len = eir_append_data(ev->eir, eir_len,
6699 EIR_CLASS_OF_DEV,
6700 conn->dev_class, 3);
6701 }
b644ba33 6702
eb55ef07 6703 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6704
ecd90ae7
MH		 6705 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6706 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6707}
6708
3b0602cd 6709static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 6710{
8962ee74 6711 struct sock **sk = data;
8962ee74 6712
f5818c22 6713 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 6714
6715 *sk = cmd->sk;
6716 sock_hold(*sk);
6717
a664b5bc 6718 mgmt_pending_remove(cmd);
8962ee74
JH		 6719}
6720
3b0602cd 6721static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 6722{
b1078ad0 6723 struct hci_dev *hdev = data;
124f6e35 6724 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 6725
b1078ad0
JH		 6726 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6727
d8b7b1e4 6728 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 6729 mgmt_pending_remove(cmd);
6730}
6731
84c61d92
JH		 6732bool mgmt_powering_down(struct hci_dev *hdev)
6733{
3b0602cd 6734 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 6735 struct mgmt_mode *cp;
6736
333ae95d 6737 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 6738 if (!cmd)
6739 return false;
6740
6741 cp = cmd->param;
6742 if (!cp->val)
6743 return true;
6744
6745 return false;
6746}
6747
9b80ec5e 6748void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6749 u8 link_type, u8 addr_type, u8 reason,
6750 bool mgmt_connected)
f7520543 6751{
f0d6a0ea 6752 struct mgmt_ev_device_disconnected ev;
8962ee74 6753 struct sock *sk = NULL;
8962ee74 6754
84c61d92
JH		 6755 /* The connection is still in hci_conn_hash so test for 1
6756 * instead of 0 to know if this is the last one.
6757 */
6758 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6759 cancel_delayed_work(&hdev->power_off);
6760 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6761 }
6762
12d4a3b2
JH		 6763 if (!mgmt_connected)
6764 return;
6765
57eb776f
AG		 6766 if (link_type != ACL_LINK && link_type != LE_LINK)
6767 return;
6768
744cf19e 6769 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6770
f0d6a0ea
MA		 6771 bacpy(&ev.addr.bdaddr, bdaddr);
6772 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6773 ev.reason = reason;
f7520543 6774
9b80ec5e 6775 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6776
6777 if (sk)
d97dcb66 6778 sock_put(sk);
8962ee74 6779
124f6e35 6780 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6781 hdev);
8962ee74
JH		 6782}
6783
7892924c
MH		 6784void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6785 u8 link_type, u8 addr_type, u8 status)
8962ee74 6786{
3655bba8
AG		 6787 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6788 struct mgmt_cp_disconnect *cp;
3b0602cd 6789 struct mgmt_pending_cmd *cmd;
8962ee74 6790
36a75f1b
JD		 6791 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6792 hdev);
6793
333ae95d 6794 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6795 if (!cmd)
7892924c 6796 return;
8962ee74 6797
3655bba8
AG		 6798 cp = cmd->param;
6799
6800 if (bacmp(bdaddr, &cp->addr.bdaddr))
6801 return;
6802
6803 if (cp->addr.type != bdaddr_type)
6804 return;
6805
f5818c22 6806 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6807 mgmt_pending_remove(cmd);
f7520543 6808}
17d5c04c 6809
445608d0
MH		 6810void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6811 u8 addr_type, u8 status)
17d5c04c
JH		 6812{
6813 struct mgmt_ev_connect_failed ev;
c9910d0f 6814
84c61d92
JH		 6815 /* The connection is still in hci_conn_hash so test for 1
6816 * instead of 0 to know if this is the last one.
6817 */
6818 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6819 cancel_delayed_work(&hdev->power_off);
6820 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6821 }
17d5c04c 6822
4c659c39 6823 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6824 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6825 ev.status = mgmt_status(status);
17d5c04c 6826
445608d0 6827 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6828}
980e1a53 6829
ce0e4a0d 6830void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6831{
6832 struct mgmt_ev_pin_code_request ev;
6833
d8457698 6834 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6835 ev.addr.type = BDADDR_BREDR;
a770bb5a 6836 ev.secure = secure;
980e1a53 6837
ce0e4a0d 6838 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6839}
6840
e669cf80
MH		 6841void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6842 u8 status)
980e1a53 6843{
3b0602cd 6844 struct mgmt_pending_cmd *cmd;
980e1a53 6845
333ae95d 6846 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6847 if (!cmd)
e669cf80 6848 return;
980e1a53 6849
7776d1d8 6850 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6851 mgmt_pending_remove(cmd);
980e1a53
JH		 6852}
6853
3eb38528
MH		 6854void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6855 u8 status)
980e1a53 6856{
3b0602cd 6857 struct mgmt_pending_cmd *cmd;
980e1a53 6858
333ae95d 6859 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6860 if (!cmd)
3eb38528 6861 return;
980e1a53 6862
7776d1d8 6863 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6864 mgmt_pending_remove(cmd);
980e1a53 6865}
a5c29683 6866
744cf19e 6867int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6868 u8 link_type, u8 addr_type, u32 value,
04124681 6869 u8 confirm_hint)
a5c29683
JH		 6870{
6871 struct mgmt_ev_user_confirm_request ev;
6872
744cf19e 6873 BT_DBG("%s", hdev->name);
a5c29683 6874
272d90df 6875 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6876 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6877 ev.confirm_hint = confirm_hint;
39adbffe 6878 ev.value = cpu_to_le32(value);
a5c29683 6879
744cf19e 6880 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6881 NULL);
a5c29683
JH		 6882}
6883
272d90df 6884int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6885 u8 link_type, u8 addr_type)
604086b7
BG		 6886{
6887 struct mgmt_ev_user_passkey_request ev;
6888
6889 BT_DBG("%s", hdev->name);
6890
272d90df 6891 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6892 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6893
6894 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6895 NULL);
604086b7
BG		 6896}
6897
0df4c185 6898static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6899 u8 link_type, u8 addr_type, u8 status,
6900 u8 opcode)
a5c29683 6901{
3b0602cd 6902 struct mgmt_pending_cmd *cmd;
a5c29683 6903
333ae95d 6904 cmd = pending_find(opcode, hdev);
a5c29683
JH		 6905 if (!cmd)
6906 return -ENOENT;
6907
7776d1d8 6908 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6909 mgmt_pending_remove(cmd);
a5c29683 6910
7776d1d8 6911 return 0;
a5c29683
JH		 6912}
6913
744cf19e 6914int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6915 u8 link_type, u8 addr_type, u8 status)
a5c29683 6916{
272d90df 6917 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6918 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6919}
6920
272d90df 6921int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6922 u8 link_type, u8 addr_type, u8 status)
a5c29683 6923{
272d90df 6924 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6925 status,
6926 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6927}
2a611692 6928
604086b7 6929int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6930 u8 link_type, u8 addr_type, u8 status)
604086b7 6931{
272d90df 6932 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6933 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6934}
6935
272d90df 6936int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6937 u8 link_type, u8 addr_type, u8 status)
604086b7 6938{
272d90df 6939 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6940 status,
6941 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6942}
6943
92a25256
JH		 6944int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6945 u8 link_type, u8 addr_type, u32 passkey,
6946 u8 entered)
6947{
6948 struct mgmt_ev_passkey_notify ev;
6949
6950 BT_DBG("%s", hdev->name);
6951
6952 bacpy(&ev.addr.bdaddr, bdaddr);
6953 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6954 ev.passkey = __cpu_to_le32(passkey);
6955 ev.entered = entered;
6956
6957 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6958}
6959
e1e930f5 6960void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 6961{
6962 struct mgmt_ev_auth_failed ev;
3b0602cd 6963 struct mgmt_pending_cmd *cmd;
e1e930f5 6964 u8 status = mgmt_status(hci_status);
2a611692 6965
e1e930f5
JH		 6966 bacpy(&ev.addr.bdaddr, &conn->dst);
6967 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6968 ev.status = status;
2a611692 6969
e1e930f5
JH		 6970 cmd = find_pairing(conn);
6971
6972 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
6973 cmd ? cmd->sk : NULL);
6974
a511b35b
JH		 6975 if (cmd) {
6976 cmd->cmd_complete(cmd, status);
6977 mgmt_pending_remove(cmd);
6978 }
2a611692 6979}
b312b161 6980
464996ae 6981void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6982{
6983 struct cmd_lookup match = { NULL, hdev };
464996ae 6984 bool changed;
33ef95ed
JH		 6985
6986 if (status) {
6987 u8 mgmt_err = mgmt_status(status);
6988 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6989 cmd_status_rsp, &mgmt_err);
464996ae 6990 return;
33ef95ed
JH		 6991 }
6992
464996ae 6993 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 6994 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 6995 else
a69d8927 6996 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 6997
33ef95ed 6998 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6999 &match);
33ef95ed 7000
47990ea0 7001 if (changed)
464996ae 7002 new_settings(hdev, match.sk);
33ef95ed
JH		 7003
7004 if (match.sk)
7005 sock_put(match.sk);
33ef95ed
JH		 7006}
7007
890ea898 7008static void clear_eir(struct hci_request *req)
cacaf52f 7009{
890ea898 7010 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 7011 struct hci_cp_write_eir cp;
7012
976eb20e 7013 if (!lmp_ext_inq_capable(hdev))
890ea898 7014 return;
cacaf52f 7015
c80da27e
JH		 7016 memset(hdev->eir, 0, sizeof(hdev->eir));
7017
cacaf52f
JH		 7018 memset(&cp, 0, sizeof(cp));
7019
890ea898 7020 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 7021}
7022
3e248560 7023void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 7024{
7025 struct cmd_lookup match = { NULL, hdev };
890ea898 7026 struct hci_request req;
c0ecddc2 7027 bool changed = false;
ed2c4ee3
JH		 7028
7029 if (status) {
7030 u8 mgmt_err = mgmt_status(status);
c0ecddc2 7031
a69d8927
MH		 7032 if (enable && hci_dev_test_and_clear_flag(hdev,
7033 HCI_SSP_ENABLED)) {
a358dc11 7034 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 7035 new_settings(hdev, NULL);
9ecb3e24 7036 }
c0ecddc2 7037
04124681
GP		 7038 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
7039 &mgmt_err);
3e248560 7040 return;
c0ecddc2
JH		 7041 }
7042
7043 if (enable) {
238be788 7044 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 7045 } else {
a69d8927 7046 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 7047 if (!changed)
a69d8927
MH		 7048 changed = hci_dev_test_and_clear_flag(hdev,
7049 HCI_HS_ENABLED);
9ecb3e24 7050 else
a358dc11 7051 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 7052 }
7053
7054 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
7055
c0ecddc2 7056 if (changed)
3e248560 7057 new_settings(hdev, match.sk);
ed2c4ee3 7058
5fc6ebb1 7059 if (match.sk)
ed2c4ee3
JH		 7060 sock_put(match.sk);
7061
890ea898
JH		 7062 hci_req_init(&req, hdev);
7063
d7a5a11d
MH		 7064 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
7065 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 7066 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
7067 sizeof(enable), &enable);
b1a8917c 7068 __hci_req_update_eir(&req);
3769972b 7069 } else {
890ea898 7070 clear_eir(&req);
3769972b 7071 }
890ea898
JH		 7072
7073 hci_req_run(&req, NULL);
ed2c4ee3
JH		 7074}
7075
3b0602cd 7076static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 7077{
7078 struct cmd_lookup *match = data;
7079
90e70454
JH		 7080 if (match->sk == NULL) {
7081 match->sk = cmd->sk;
7082 sock_hold(match->sk);
7083 }
90e70454
JH		 7084}
7085
4e1b0245
MH		 7086void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
7087 u8 status)
7f9a903c 7088{
90e70454 7089 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 7090
92da6097
JH		 7091 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
7092 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
7093 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 7094
7095 if (!status)
f6b7712e
MH		 7096 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7097 dev_class, 3, NULL);
90e70454
JH		 7098
7099 if (match.sk)
7100 sock_put(match.sk);
7f9a903c
MH		 7101}
7102
7667da34 7103void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 7104{
b312b161 7105 struct mgmt_cp_set_local_name ev;
3b0602cd 7106 struct mgmt_pending_cmd *cmd;
28cc7bde 7107
13928971 7108 if (status)
7667da34 7109 return;
b312b161
JH		 7110
7111 memset(&ev, 0, sizeof(ev));
7112 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 7113 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 7114
333ae95d 7115 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 7116 if (!cmd) {
7117 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 7118
13928971
JH		 7119 /* If this is a HCI command related to powering on the
7120 * HCI dev don't send any mgmt signals.
7121 */
333ae95d 7122 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 7123 return;
890ea898 7124 }
b312b161 7125
f6b7712e
MH		 7126 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
7127 cmd ? cmd->sk : NULL);
b312b161 7128}
c35938b2 7129
799ce93d
JP		 7130static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
7131{
7132 int i;
7133
7134 for (i = 0; i < uuid_count; i++) {
7135 if (!memcmp(uuid, uuids[i], 16))
7136 return true;
7137 }
7138
7139 return false;
7140}
7141
b487b9ce
MH		 7142static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
7143{
799ce93d
JP		 7144 u16 parsed = 0;
7145
7146 while (parsed < eir_len) {
7147 u8 field_len = eir[0];
7148 u8 uuid[16];
7149 int i;
7150
7151 if (field_len == 0)
7152 break;
7153
7154 if (eir_len - parsed < field_len + 1)
7155 break;
7156
7157 switch (eir[1]) {
7158 case EIR_UUID16_ALL:
7159 case EIR_UUID16_SOME:
7160 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 7161 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 7162 uuid[13] = eir[i + 3];
7163 uuid[12] = eir[i + 2];
7164 if (has_uuid(uuid, uuid_count, uuids))
7165 return true;
7166 }
7167 break;
7168 case EIR_UUID32_ALL:
7169 case EIR_UUID32_SOME:
7170 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 7171 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 7172 uuid[15] = eir[i + 5];
7173 uuid[14] = eir[i + 4];
7174 uuid[13] = eir[i + 3];
7175 uuid[12] = eir[i + 2];
7176 if (has_uuid(uuid, uuid_count, uuids))
7177 return true;
7178 }
7179 break;
7180 case EIR_UUID128_ALL:
7181 case EIR_UUID128_SOME:
7182 for (i = 0; i + 17 <= field_len; i += 16) {
7183 memcpy(uuid, eir + i + 2, 16);
7184 if (has_uuid(uuid, uuid_count, uuids))
7185 return true;
7186 }
7187 break;
7188 }
7189
7190 parsed += field_len + 1;
7191 eir += field_len + 1;
7192 }
7193
b487b9ce
MH		 7194 return false;
7195}
7196
4b0e0ced
JP		 7197static void restart_le_scan(struct hci_dev *hdev)
7198{
7199 /* If controller is not scanning we are done. */
d7a5a11d 7200 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 7201 return;
7202
7203 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
7204 hdev->discovery.scan_start +
7205 hdev->discovery.scan_duration))
7206 return;
7207
7c1fbed2 7208 queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart,
4b0e0ced
JP		 7209 DISCOV_LE_RESTART_DELAY);
7210}
7211
48f86b7f
JP		 7212static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
7213 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 7214{
48f86b7f
JP		 7215 /* If a RSSI threshold has been specified, and
7216 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
7217 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
7218 * is set, let it through for further processing, as we might need to
7219 * restart the scan.
efb2513f
MH		 7220 *
7221 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
7222 * the results are also dropped.
bda157a4
MH		 7223 */
7224 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 7225 (rssi == HCI_RSSI_INVALID ||
7226 (rssi < hdev->discovery.rssi &&
7227 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 7228 return false;
efb2513f 7229
2976cdeb
JP		 7230 if (hdev->discovery.uuid_count != 0) {
7231 /* If a list of UUIDs is provided in filter, results with no
7232 * matching UUID should be dropped.
b487b9ce 7233 */
2976cdeb
JP		 7234 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
7235 hdev->discovery.uuids) &&
7236 !eir_has_uuids(scan_rsp, scan_rsp_len,
7237 hdev->discovery.uuid_count,
7238 hdev->discovery.uuids))
7239 return false;
b487b9ce 7240 }
5d2e9fad 7241
2976cdeb
JP		 7242 /* If duplicate filtering does not report RSSI changes, then restart
7243 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 7244 */
2976cdeb
JP		 7245 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
7246 restart_le_scan(hdev);
7247
7248 /* Validate RSSI value against the RSSI threshold once more. */
7249 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
7250 rssi < hdev->discovery.rssi)
7251 return false;
7252 }
48f86b7f
JP		 7253
7254 return true;
7255}
7256
7257void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7258 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
7259 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
7260{
7261 char buf[512];
7262 struct mgmt_ev_device_found *ev = (void *)buf;
7263 size_t ev_size;
7264
7265 /* Don't send events for a non-kernel initiated discovery. With
7266 * LE one exception is if we have pend_le_reports > 0 in which
7267 * case we're doing passive scanning and want these events.
7268 */
7269 if (!hci_discovery_active(hdev)) {
7270 if (link_type == ACL_LINK)
7271 return;
7272 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
7273 return;
7274 }
7275
82f8b651 7276 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 7277 /* We are using service discovery */
7278 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
7279 scan_rsp_len))
7280 return;
7281 }
7282
78b781ca
JH		 7283 if (hdev->discovery.limited) {
7284 /* Check for limited discoverable bit */
7285 if (dev_class) {
7286 if (!(dev_class[1] & 0x20))
7287 return;
7288 } else {
7289 u8 *flags = eir_get_data(eir, eir_len, EIR_FLAGS, NULL);
7290 if (!flags || !(flags[0] & LE_AD_LIMITED))
7291 return;
7292 }
7293 }
7294
48f86b7f
JP		 7295 /* Make sure that the buffer is big enough. The 5 extra bytes
7296 * are for the potential CoD field.
7297 */
7298 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 7299 return;
7300
48f86b7f
JP		 7301 memset(buf, 0, sizeof(buf));
7302
7303 /* In case of device discovery with BR/EDR devices (pre 1.2), the
7304 * RSSI value was reported as 0 when not available. This behavior
7305 * is kept when using device discovery. This is required for full
7306 * backwards compatibility with the API.
7307 *
7308 * However when using service discovery, the value 127 will be
7309 * returned when the RSSI is not available.
7310 */
7311 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
7312 link_type == ACL_LINK)
7313 rssi = 0;
7314
7315 bacpy(&ev->addr.bdaddr, bdaddr);
7316 ev->addr.type = link_to_bdaddr(link_type, addr_type);
7317 ev->rssi = rssi;
7318 ev->flags = cpu_to_le32(flags);
7319
7320 if (eir_len > 0)
7321 /* Copy EIR or advertising data into event */
7322 memcpy(ev->eir, eir, eir_len);
7323
0d3b7f64
JH		 7324 if (dev_class && !eir_get_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
7325 NULL))
48f86b7f
JP		 7326 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
7327 dev_class, 3);
7328
7329 if (scan_rsp_len > 0)
7330 /* Append scan response data to event */
7331 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
7332
5d2e9fad
JH		 7333 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
7334 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 7335
901801b9 7336 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 7337}
a88a9652 7338
9cf12aee
MH		 7339void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7340 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 7341{
b644ba33
JH		 7342 struct mgmt_ev_device_found *ev;
7343 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
7344 u16 eir_len;
a88a9652 7345
b644ba33 7346 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 7347
b644ba33
JH		 7348 memset(buf, 0, sizeof(buf));
7349
7350 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 7351 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 7352 ev->rssi = rssi;
7353
7354 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 7355 name_len);
b644ba33 7356
eb55ef07 7357 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 7358
9cf12aee 7359 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 7360}
314b2381 7361
2f1e063b 7362void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 7363{
f963e8e9 7364 struct mgmt_ev_discovering ev;
164a6e78 7365
343fb145
AG		 7366 BT_DBG("%s discovering %u", hdev->name, discovering);
7367
f963e8e9
JH		 7368 memset(&ev, 0, sizeof(ev));
7369 ev.type = hdev->discovery.type;
7370 ev.discovering = discovering;
7371
2f1e063b 7372 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 7373}
5e762444 7374
6d785aa3
JH		 7375static struct hci_mgmt_chan chan = {
7376 .channel = HCI_CHANNEL_CONTROL,
7377 .handler_count = ARRAY_SIZE(mgmt_handlers),
7378 .handlers = mgmt_handlers,
88b94ce9 7379 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 7380};
7381
7382int mgmt_init(void)
7383{
7384 return hci_mgmt_chan_register(&chan);
7385}
7386
7387void mgmt_exit(void)
7388{
7389 hci_mgmt_chan_unregister(&chan);
7390}
Linux kernel - Deliverables
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