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Bluetooth: Add stubs for synchronous HCI request functionality
[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
e58627d1 41#define MGMT_REVISION 10
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,
e70bb2e8
JH		 105};
106
107static const u16 mgmt_events[] = {
108 MGMT_EV_CONTROLLER_ERROR,
109 MGMT_EV_INDEX_ADDED,
110 MGMT_EV_INDEX_REMOVED,
111 MGMT_EV_NEW_SETTINGS,
112 MGMT_EV_CLASS_OF_DEV_CHANGED,
113 MGMT_EV_LOCAL_NAME_CHANGED,
114 MGMT_EV_NEW_LINK_KEY,
115 MGMT_EV_NEW_LONG_TERM_KEY,
116 MGMT_EV_DEVICE_CONNECTED,
117 MGMT_EV_DEVICE_DISCONNECTED,
118 MGMT_EV_CONNECT_FAILED,
119 MGMT_EV_PIN_CODE_REQUEST,
120 MGMT_EV_USER_CONFIRM_REQUEST,
121 MGMT_EV_USER_PASSKEY_REQUEST,
122 MGMT_EV_AUTH_FAILED,
123 MGMT_EV_DEVICE_FOUND,
124 MGMT_EV_DISCOVERING,
125 MGMT_EV_DEVICE_BLOCKED,
126 MGMT_EV_DEVICE_UNBLOCKED,
127 MGMT_EV_DEVICE_UNPAIRED,
92a25256 128 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 129 MGMT_EV_NEW_IRK,
7ee4ea36 130 MGMT_EV_NEW_CSRK,
8afef092
MH		 131 MGMT_EV_DEVICE_ADDED,
132 MGMT_EV_DEVICE_REMOVED,
ffb5a827 133 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 134 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 135 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 136 MGMT_EV_NEW_CONFIG_OPTIONS,
ced85549
MH		 137 MGMT_EV_EXT_INDEX_ADDED,
138 MGMT_EV_EXT_INDEX_REMOVED,
72000df2 139 MGMT_EV_LOCAL_OOB_DATA_UPDATED,
24b4f38f
AU		 140 MGMT_EV_ADVERTISING_ADDED,
141 MGMT_EV_ADVERTISING_REMOVED,
e70bb2e8
JH		 142};
143
99c679ac
MH		 144static const u16 mgmt_untrusted_commands[] = {
145 MGMT_OP_READ_INDEX_LIST,
146 MGMT_OP_READ_INFO,
147 MGMT_OP_READ_UNCONF_INDEX_LIST,
148 MGMT_OP_READ_CONFIG_INFO,
149 MGMT_OP_READ_EXT_INDEX_LIST,
150};
151
152static const u16 mgmt_untrusted_events[] = {
153 MGMT_EV_INDEX_ADDED,
154 MGMT_EV_INDEX_REMOVED,
155 MGMT_EV_NEW_SETTINGS,
156 MGMT_EV_CLASS_OF_DEV_CHANGED,
157 MGMT_EV_LOCAL_NAME_CHANGED,
158 MGMT_EV_UNCONF_INDEX_ADDED,
159 MGMT_EV_UNCONF_INDEX_REMOVED,
160 MGMT_EV_NEW_CONFIG_OPTIONS,
161 MGMT_EV_EXT_INDEX_ADDED,
162 MGMT_EV_EXT_INDEX_REMOVED,
163};
164
17b02e62 165#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 166
d25b78e2
JH		 167#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
168 "\x00\x00\x00\x00\x00\x00\x00\x00"
169
ca69b795
JH		 170/* HCI to MGMT error code conversion table */
171static u8 mgmt_status_table[] = {
172 MGMT_STATUS_SUCCESS,
173 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
174 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
175 MGMT_STATUS_FAILED, /* Hardware Failure */
176 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
177 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 178 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 179 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
180 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
181 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
182 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
183 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
184 MGMT_STATUS_BUSY, /* Command Disallowed */
185 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
186 MGMT_STATUS_REJECTED, /* Rejected Security */
187 MGMT_STATUS_REJECTED, /* Rejected Personal */
188 MGMT_STATUS_TIMEOUT, /* Host Timeout */
189 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
190 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
191 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
192 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
193 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
194 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
195 MGMT_STATUS_BUSY, /* Repeated Attempts */
196 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
197 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
198 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
199 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
200 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
201 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
202 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
203 MGMT_STATUS_FAILED, /* Unspecified Error */
204 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
205 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
206 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
207 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
208 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
209 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
210 MGMT_STATUS_FAILED, /* Unit Link Key Used */
211 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
212 MGMT_STATUS_TIMEOUT, /* Instant Passed */
213 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
214 MGMT_STATUS_FAILED, /* Transaction Collision */
215 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
216 MGMT_STATUS_REJECTED, /* QoS Rejected */
217 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
218 MGMT_STATUS_REJECTED, /* Insufficient Security */
219 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
220 MGMT_STATUS_BUSY, /* Role Switch Pending */
221 MGMT_STATUS_FAILED, /* Slot Violation */
222 MGMT_STATUS_FAILED, /* Role Switch Failed */
223 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
224 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
225 MGMT_STATUS_BUSY, /* Host Busy Pairing */
226 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
227 MGMT_STATUS_BUSY, /* Controller Busy */
228 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
229 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
230 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
231 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
232 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
233};
234
235static u8 mgmt_status(u8 hci_status)
236{
237 if (hci_status < ARRAY_SIZE(mgmt_status_table))
238 return mgmt_status_table[hci_status];
239
240 return MGMT_STATUS_FAILED;
241}
242
c08b1a1d
MH		 243static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
244 u16 len, int flag)
f9207338 245{
c08b1a1d
MH		 246 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
247 flag, NULL);
f9207338
MH		 248}
249
72000df2
MH		 250static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
251 u16 len, int flag, struct sock *skip_sk)
252{
253 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
254 flag, skip_sk);
255}
256
f6b7712e
MH		 257static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
258 u16 len, struct sock *skip_sk)
259{
260 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
261 HCI_MGMT_GENERIC_EVENTS, skip_sk);
262}
263
7a00ff44
JH		 264static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
265 struct sock *skip_sk)
266{
267 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
c08b1a1d 268 HCI_SOCK_TRUSTED, skip_sk);
7a00ff44
JH		 269}
270
85813a7e
JH		 271static u8 le_addr_type(u8 mgmt_addr_type)
272{
273 if (mgmt_addr_type == BDADDR_LE_PUBLIC)
274 return ADDR_LE_DEV_PUBLIC;
275 else
276 return ADDR_LE_DEV_RANDOM;
277}
278
04124681
GP		 279static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
280 u16 data_len)
a38528f1
JH		 281{
282 struct mgmt_rp_read_version rp;
283
284 BT_DBG("sock %p", sk);
285
286 rp.version = MGMT_VERSION;
dcf4adbf 287 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 288
2a1afb5a
JH		 289 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
290 &rp, sizeof(rp));
a38528f1
JH		 291}
292
04124681
GP		 293static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
294 u16 data_len)
e70bb2e8
JH		 295{
296 struct mgmt_rp_read_commands *rp;
99c679ac 297 u16 num_commands, num_events;
e70bb2e8
JH		 298 size_t rp_size;
299 int i, err;
300
301 BT_DBG("sock %p", sk);
302
99c679ac
MH		 303 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
304 num_commands = ARRAY_SIZE(mgmt_commands);
305 num_events = ARRAY_SIZE(mgmt_events);
306 } else {
307 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
308 num_events = ARRAY_SIZE(mgmt_untrusted_events);
309 }
310
e70bb2e8
JH		 311 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
312
313 rp = kmalloc(rp_size, GFP_KERNEL);
314 if (!rp)
315 return -ENOMEM;
316
dcf4adbf
JP		 317 rp->num_commands = cpu_to_le16(num_commands);
318 rp->num_events = cpu_to_le16(num_events);
e70bb2e8 319
99c679ac
MH		 320 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
321 __le16 *opcode = rp->opcodes;
322
323 for (i = 0; i < num_commands; i++, opcode++)
324 put_unaligned_le16(mgmt_commands[i], opcode);
e70bb2e8 325
99c679ac
MH		 326 for (i = 0; i < num_events; i++, opcode++)
327 put_unaligned_le16(mgmt_events[i], opcode);
328 } else {
329 __le16 *opcode = rp->opcodes;
330
331 for (i = 0; i < num_commands; i++, opcode++)
332 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
333
334 for (i = 0; i < num_events; i++, opcode++)
335 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
336 }
e70bb2e8 337
2a1afb5a
JH		 338 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
339 rp, rp_size);
e70bb2e8
JH		 340 kfree(rp);
341
342 return err;
343}
344
04124681
GP		 345static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
346 u16 data_len)
faba42eb 347{
faba42eb 348 struct mgmt_rp_read_index_list *rp;
8035ded4 349 struct hci_dev *d;
a38528f1 350 size_t rp_len;
faba42eb 351 u16 count;
476e44cb 352 int err;
faba42eb
JH		 353
354 BT_DBG("sock %p", sk);
355
356 read_lock(&hci_dev_list_lock);
357
358 count = 0;
bb4b2a9a 359 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 360 if (d->dev_type == HCI_BREDR &&
d7a5a11d 361 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
1514b892 362 count++;
faba42eb
JH		 363 }
364
a38528f1
JH		 365 rp_len = sizeof(*rp) + (2 * count);
366 rp = kmalloc(rp_len, GFP_ATOMIC);
367 if (!rp) {
b2c60d42 368 read_unlock(&hci_dev_list_lock);
faba42eb 369 return -ENOMEM;
b2c60d42 370 }
faba42eb 371
476e44cb 372 count = 0;
8035ded4 373 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 374 if (hci_dev_test_flag(d, HCI_SETUP) ||
375 hci_dev_test_flag(d, HCI_CONFIG) ||
376 hci_dev_test_flag(d, HCI_USER_CHANNEL))
ab81cbf9
JH		 377 continue;
378
73d1df2a
MH		 379 /* Devices marked as raw-only are neither configured
380 * nor unconfigured controllers.
381 */
382 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 383 continue;
384
73d1df2a 385 if (d->dev_type == HCI_BREDR &&
d7a5a11d 386 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
1514b892
MH		 387 rp->index[count++] = cpu_to_le16(d->id);
388 BT_DBG("Added hci%u", d->id);
389 }
faba42eb
JH		 390 }
391
476e44cb
JH		 392 rp->num_controllers = cpu_to_le16(count);
393 rp_len = sizeof(*rp) + (2 * count);
394
faba42eb
JH		 395 read_unlock(&hci_dev_list_lock);
396
2a1afb5a
JH		 397 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
398 0, rp, rp_len);
faba42eb 399
a38528f1
JH		 400 kfree(rp);
401
402 return err;
faba42eb
JH		 403}
404
73d1df2a
MH		 405static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
406 void *data, u16 data_len)
407{
408 struct mgmt_rp_read_unconf_index_list *rp;
409 struct hci_dev *d;
410 size_t rp_len;
411 u16 count;
412 int err;
413
414 BT_DBG("sock %p", sk);
415
416 read_lock(&hci_dev_list_lock);
417
418 count = 0;
419 list_for_each_entry(d, &hci_dev_list, list) {
420 if (d->dev_type == HCI_BREDR &&
d7a5a11d 421 hci_dev_test_flag(d, HCI_UNCONFIGURED))
73d1df2a
MH		 422 count++;
423 }
424
425 rp_len = sizeof(*rp) + (2 * count);
426 rp = kmalloc(rp_len, GFP_ATOMIC);
427 if (!rp) {
428 read_unlock(&hci_dev_list_lock);
429 return -ENOMEM;
430 }
431
432 count = 0;
433 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 434 if (hci_dev_test_flag(d, HCI_SETUP) ||
435 hci_dev_test_flag(d, HCI_CONFIG) ||
436 hci_dev_test_flag(d, HCI_USER_CHANNEL))
73d1df2a
MH		 437 continue;
438
439 /* Devices marked as raw-only are neither configured
440 * nor unconfigured controllers.
441 */
442 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
443 continue;
444
445 if (d->dev_type == HCI_BREDR &&
d7a5a11d 446 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
73d1df2a
MH		 447 rp->index[count++] = cpu_to_le16(d->id);
448 BT_DBG("Added hci%u", d->id);
449 }
450 }
451
452 rp->num_controllers = cpu_to_le16(count);
453 rp_len = sizeof(*rp) + (2 * count);
454
455 read_unlock(&hci_dev_list_lock);
456
2a1afb5a
JH		 457 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
458 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
73d1df2a
MH		 459
460 kfree(rp);
461
462 return err;
463}
464
96f1474a
MH		 465static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
466 void *data, u16 data_len)
467{
468 struct mgmt_rp_read_ext_index_list *rp;
469 struct hci_dev *d;
470 size_t rp_len;
471 u16 count;
472 int err;
473
474 BT_DBG("sock %p", sk);
475
476 read_lock(&hci_dev_list_lock);
477
478 count = 0;
479 list_for_each_entry(d, &hci_dev_list, list) {
480 if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
481 count++;
482 }
483
484 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
485 rp = kmalloc(rp_len, GFP_ATOMIC);
486 if (!rp) {
487 read_unlock(&hci_dev_list_lock);
488 return -ENOMEM;
489 }
490
491 count = 0;
492 list_for_each_entry(d, &hci_dev_list, list) {
493 if (hci_dev_test_flag(d, HCI_SETUP) ||
494 hci_dev_test_flag(d, HCI_CONFIG) ||
495 hci_dev_test_flag(d, HCI_USER_CHANNEL))
496 continue;
497
498 /* Devices marked as raw-only are neither configured
499 * nor unconfigured controllers.
500 */
501 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
502 continue;
503
504 if (d->dev_type == HCI_BREDR) {
505 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
506 rp->entry[count].type = 0x01;
507 else
508 rp->entry[count].type = 0x00;
509 } else if (d->dev_type == HCI_AMP) {
510 rp->entry[count].type = 0x02;
511 } else {
512 continue;
513 }
514
515 rp->entry[count].bus = d->bus;
516 rp->entry[count++].index = cpu_to_le16(d->id);
517 BT_DBG("Added hci%u", d->id);
518 }
519
520 rp->num_controllers = cpu_to_le16(count);
521 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
522
523 read_unlock(&hci_dev_list_lock);
524
525 /* If this command is called at least once, then all the
526 * default index and unconfigured index events are disabled
527 * and from now on only extended index events are used.
528 */
529 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
530 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
531 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
532
533 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
534 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
535
536 kfree(rp);
537
538 return err;
539}
540
dbece37a
MH		 541static bool is_configured(struct hci_dev *hdev)
542{
543 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 544 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
dbece37a
MH		 545 return false;
546
547 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
548 !bacmp(&hdev->public_addr, BDADDR_ANY))
549 return false;
550
551 return true;
552}
553
89bc22d2
MH		 554static __le32 get_missing_options(struct hci_dev *hdev)
555{
556 u32 options = 0;
557
dbece37a 558 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 559 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
eb1904f4
MH		 560 options |= MGMT_OPTION_EXTERNAL_CONFIG;
561
89bc22d2
MH		 562 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
563 !bacmp(&hdev->public_addr, BDADDR_ANY))
564 options |= MGMT_OPTION_PUBLIC_ADDRESS;
565
566 return cpu_to_le32(options);
567}
568
f4537c04
MH		 569static int new_options(struct hci_dev *hdev, struct sock *skip)
570{
571 __le32 options = get_missing_options(hdev);
572
f6b7712e
MH		 573 return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
574 sizeof(options), skip);
f4537c04
MH		 575}
576
dbece37a
MH		 577static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
578{
579 __le32 options = get_missing_options(hdev);
580
2a1afb5a
JH		 581 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
582 sizeof(options));
dbece37a
MH		 583}
584
9fc3bfb6
MH		 585static int read_config_info(struct sock *sk, struct hci_dev *hdev,
586 void *data, u16 data_len)
587{
588 struct mgmt_rp_read_config_info rp;
89bc22d2 589 u32 options = 0;
9fc3bfb6
MH		 590
591 BT_DBG("sock %p %s", sk, hdev->name);
592
593 hci_dev_lock(hdev);
594
595 memset(&rp, 0, sizeof(rp));
596 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 597
eb1904f4
MH		 598 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
599 options |= MGMT_OPTION_EXTERNAL_CONFIG;
600
9fc3bfb6 601 if (hdev->set_bdaddr)
89bc22d2
MH		 602 options |= MGMT_OPTION_PUBLIC_ADDRESS;
603
604 rp.supported_options = cpu_to_le32(options);
605 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 606
607 hci_dev_unlock(hdev);
608
2a1afb5a
JH		 609 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
610 &rp, sizeof(rp));
9fc3bfb6
MH		 611}
612
69ab39ea
JH		 613static u32 get_supported_settings(struct hci_dev *hdev)
614{
615 u32 settings = 0;
616
617 settings |= MGMT_SETTING_POWERED;
b2939475 618 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 619 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 620 settings |= MGMT_SETTING_CONNECTABLE;
621 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 622
ed3fa31f 623 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 624 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
625 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 626 settings |= MGMT_SETTING_BREDR;
627 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 628
629 if (lmp_ssp_capable(hdev)) {
630 settings |= MGMT_SETTING_SSP;
631 settings |= MGMT_SETTING_HS;
632 }
e98d2ce2 633
05b3c3e7 634 if (lmp_sc_capable(hdev))
e98d2ce2 635 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 636 }
d7b7e796 637
eeca6f89 638 if (lmp_le_capable(hdev)) {
9d42820f 639 settings |= MGMT_SETTING_LE;
eeca6f89 640 settings |= MGMT_SETTING_ADVERTISING;
a3209694 641 settings |= MGMT_SETTING_SECURE_CONN;
0f4bd942 642 settings |= MGMT_SETTING_PRIVACY;
93690c22 643 settings |= MGMT_SETTING_STATIC_ADDRESS;
eeca6f89 644 }
69ab39ea 645
eb1904f4
MH		 646 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
647 hdev->set_bdaddr)
9fc3bfb6
MH		 648 settings |= MGMT_SETTING_CONFIGURATION;
649
69ab39ea
JH		 650 return settings;
651}
652
653static u32 get_current_settings(struct hci_dev *hdev)
654{
655 u32 settings = 0;
656
f1f0eb02 657 if (hdev_is_powered(hdev))
f0d4b78a
MH		 658 settings |= MGMT_SETTING_POWERED;
659
d7a5a11d 660 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
69ab39ea
JH		 661 settings |= MGMT_SETTING_CONNECTABLE;
662
d7a5a11d 663 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
1a4d3c4b
JH		 664 settings |= MGMT_SETTING_FAST_CONNECTABLE;
665
d7a5a11d 666 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
69ab39ea
JH		 667 settings |= MGMT_SETTING_DISCOVERABLE;
668
d7a5a11d 669 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
b2939475 670 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 671
d7a5a11d 672 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
69ab39ea
JH		 673 settings |= MGMT_SETTING_BREDR;
674
d7a5a11d 675 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
69ab39ea
JH		 676 settings |= MGMT_SETTING_LE;
677
d7a5a11d 678 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
69ab39ea
JH		 679 settings |= MGMT_SETTING_LINK_SECURITY;
680
d7a5a11d 681 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
69ab39ea
JH		 682 settings |= MGMT_SETTING_SSP;
683
d7a5a11d 684 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
6d80dfd0
JH		 685 settings |= MGMT_SETTING_HS;
686
d7a5a11d 687 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
eeca6f89
JH		 688 settings |= MGMT_SETTING_ADVERTISING;
689
d7a5a11d 690 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
e98d2ce2
MH		 691 settings |= MGMT_SETTING_SECURE_CONN;
692
d7a5a11d 693 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
b1de97d8
MH		 694 settings |= MGMT_SETTING_DEBUG_KEYS;
695
d7a5a11d 696 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
0f4bd942
JH		 697 settings |= MGMT_SETTING_PRIVACY;
698
93690c22
MH		 699 /* The current setting for static address has two purposes. The
700 * first is to indicate if the static address will be used and
701 * the second is to indicate if it is actually set.
702 *
703 * This means if the static address is not configured, this flag
08dc0e98 704 * will never be set. If the address is configured, then if the
93690c22
MH		 705 * address is actually used decides if the flag is set or not.
706 *
707 * For single mode LE only controllers and dual-mode controllers
708 * with BR/EDR disabled, the existence of the static address will
709 * be evaluated.
710 */
b7cb93e5 711 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
d7a5a11d 712 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
93690c22
MH		 713 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
714 if (bacmp(&hdev->static_addr, BDADDR_ANY))
715 settings |= MGMT_SETTING_STATIC_ADDRESS;
716 }
717
69ab39ea
JH		 718 return settings;
719}
720
ef580372
JH		 721#define PNP_INFO_SVCLASS_ID 0x1200
722
213202ed
JH		 723static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
724{
725 u8 *ptr = data, *uuids_start = NULL;
726 struct bt_uuid *uuid;
727
728 if (len < 4)
729 return ptr;
730
731 list_for_each_entry(uuid, &hdev->uuids, list) {
732 u16 uuid16;
733
734 if (uuid->size != 16)
735 continue;
736
737 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
738 if (uuid16 < 0x1100)
739 continue;
740
741 if (uuid16 == PNP_INFO_SVCLASS_ID)
742 continue;
743
744 if (!uuids_start) {
745 uuids_start = ptr;
746 uuids_start[0] = 1;
747 uuids_start[1] = EIR_UUID16_ALL;
748 ptr += 2;
749 }
750
751 /* Stop if not enough space to put next UUID */
752 if ((ptr - data) + sizeof(u16) > len) {
753 uuids_start[1] = EIR_UUID16_SOME;
754 break;
755 }
756
757 *ptr++ = (uuid16 & 0x00ff);
758 *ptr++ = (uuid16 & 0xff00) >> 8;
759 uuids_start[0] += sizeof(uuid16);
760 }
761
762 return ptr;
763}
764
cdf1963f
JH		 765static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
766{
767 u8 *ptr = data, *uuids_start = NULL;
768 struct bt_uuid *uuid;
769
770 if (len < 6)
771 return ptr;
772
773 list_for_each_entry(uuid, &hdev->uuids, list) {
774 if (uuid->size != 32)
775 continue;
776
777 if (!uuids_start) {
778 uuids_start = ptr;
779 uuids_start[0] = 1;
780 uuids_start[1] = EIR_UUID32_ALL;
781 ptr += 2;
782 }
783
784 /* Stop if not enough space to put next UUID */
785 if ((ptr - data) + sizeof(u32) > len) {
786 uuids_start[1] = EIR_UUID32_SOME;
787 break;
788 }
789
790 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
791 ptr += sizeof(u32);
792 uuids_start[0] += sizeof(u32);
793 }
794
795 return ptr;
796}
797
c00d575b
JH		 798static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
799{
800 u8 *ptr = data, *uuids_start = NULL;
801 struct bt_uuid *uuid;
802
803 if (len < 18)
804 return ptr;
805
806 list_for_each_entry(uuid, &hdev->uuids, list) {
807 if (uuid->size != 128)
808 continue;
809
810 if (!uuids_start) {
811 uuids_start = ptr;
812 uuids_start[0] = 1;
813 uuids_start[1] = EIR_UUID128_ALL;
814 ptr += 2;
815 }
816
817 /* Stop if not enough space to put next UUID */
818 if ((ptr - data) + 16 > len) {
819 uuids_start[1] = EIR_UUID128_SOME;
820 break;
821 }
822
823 memcpy(ptr, uuid->uuid, 16);
824 ptr += 16;
825 uuids_start[0] += 16;
826 }
827
828 return ptr;
829}
830
333ae95d
JH		 831static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
832{
833 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
834}
835
333ae95d
JH		 836static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
837 struct hci_dev *hdev,
838 const void *data)
839{
840 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
841}
842
91aa9bb2
FG		 843static u8 get_current_adv_instance(struct hci_dev *hdev)
844{
845 /* The "Set Advertising" setting supersedes the "Add Advertising"
846 * setting. Here we set the advertising data based on which
847 * setting was set. When neither apply, default to the global settings,
848 * represented by instance "0".
849 */
850 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
851 !hci_dev_test_flag(hdev, HCI_ADVERTISING))
3ff37e6b 852 return hdev->cur_adv_instance;
91aa9bb2
FG		 853
854 return 0x00;
855}
856
4117ed70 857static u8 create_default_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
f14d8f64 858{
7a5f4990
MH		 859 u8 ad_len = 0;
860 size_t name_len;
861
862 name_len = strlen(hdev->dev_name);
863 if (name_len > 0) {
864 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
865
866 if (name_len > max_len) {
867 name_len = max_len;
868 ptr[1] = EIR_NAME_SHORT;
869 } else
870 ptr[1] = EIR_NAME_COMPLETE;
871
872 ptr[0] = name_len + 1;
873
874 memcpy(ptr + 2, hdev->dev_name, name_len);
875
876 ad_len += (name_len + 2);
877 ptr += (name_len + 2);
878 }
879
880 return ad_len;
f14d8f64
MH		 881}
882
ca21fbe9
FG		 883static u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 instance,
884 u8 *ptr)
4117ed70 885{
ca21fbe9
FG		 886 struct adv_info *adv_instance;
887
888 adv_instance = hci_find_adv_instance(hdev, instance);
889 if (!adv_instance)
890 return 0;
891
4117ed70
AU		 892 /* TODO: Set the appropriate entries based on advertising instance flags
893 * here once flags other than 0 are supported.
894 */
ca21fbe9
FG		 895 memcpy(ptr, adv_instance->scan_rsp_data,
896 adv_instance->scan_rsp_len);
4117ed70 897
ca21fbe9 898 return adv_instance->scan_rsp_len;
4117ed70
AU		 899}
900
efae002c 901static void update_inst_scan_rsp_data(struct hci_request *req, u8 instance)
f14d8f64
MH		 902{
903 struct hci_dev *hdev = req->hdev;
904 struct hci_cp_le_set_scan_rsp_data cp;
905 u8 len;
906
d7a5a11d 907 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
f14d8f64
MH		 908 return;
909
910 memset(&cp, 0, sizeof(cp));
911
4117ed70 912 if (instance)
ca21fbe9 913 len = create_instance_scan_rsp_data(hdev, instance, cp.data);
4117ed70
AU		 914 else
915 len = create_default_scan_rsp_data(hdev, cp.data);
f14d8f64 916
eb438b5f 917 if (hdev->scan_rsp_data_len == len &&
4117ed70 918 !memcmp(cp.data, hdev->scan_rsp_data, len))
f14d8f64
MH		 919 return;
920
eb438b5f
JH		 921 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
922 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 923
924 cp.length = len;
925
926 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
927}
928
4117ed70
AU		 929static void update_scan_rsp_data(struct hci_request *req)
930{
efae002c 931 update_inst_scan_rsp_data(req, get_current_adv_instance(req->hdev));
4117ed70
AU		 932}
933
9a43e25f
JH		 934static u8 get_adv_discov_flags(struct hci_dev *hdev)
935{
3b0602cd 936 struct mgmt_pending_cmd *cmd;
9a43e25f
JH		 937
938 /* If there's a pending mgmt command the flags will not yet have
939 * their final values, so check for this first.
940 */
333ae95d 941 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
9a43e25f
JH		 942 if (cmd) {
943 struct mgmt_mode *cp = cmd->param;
944 if (cp->val == 0x01)
945 return LE_AD_GENERAL;
946 else if (cp->val == 0x02)
947 return LE_AD_LIMITED;
948 } else {
d7a5a11d 949 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
9a43e25f 950 return LE_AD_LIMITED;
d7a5a11d 951 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
9a43e25f
JH		 952 return LE_AD_GENERAL;
953 }
954
955 return 0;
956}
957
fdf51784
AU		 958static bool get_connectable(struct hci_dev *hdev)
959{
960 struct mgmt_pending_cmd *cmd;
441ad2d0 961
fdf51784
AU		 962 /* If there's a pending mgmt command the flag will not yet have
963 * it's final value, so check for this first.
964 */
965 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
966 if (cmd) {
967 struct mgmt_mode *cp = cmd->param;
441ad2d0 968
fdf51784 969 return cp->val;
441ad2d0
MH		 970 }
971
fdf51784
AU		 972 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
973}
441ad2d0 974
fdf51784
AU		 975static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
976{
977 u32 flags;
411b4121 978 struct adv_info *adv_instance;
441ad2d0 979
bea28e65
FG		 980 if (instance == 0x00) {
981 /* Instance 0 always manages the "Tx Power" and "Flags"
982 * fields
983 */
984 flags = MGMT_ADV_FLAG_TX_POWER | MGMT_ADV_FLAG_MANAGED_FLAGS;
411b4121 985
bea28e65
FG		 986 /* For instance 0, the HCI_ADVERTISING_CONNECTABLE setting
987 * corresponds to the "connectable" instance flag.
988 */
989 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE))
990 flags |= MGMT_ADV_FLAG_CONNECTABLE;
fdf51784 991
bea28e65 992 return flags;
411b4121 993 }
fdf51784 994
bea28e65 995 adv_instance = hci_find_adv_instance(hdev, instance);
fdf51784 996
bea28e65
FG		 997 /* Return 0 when we got an invalid instance identifier. */
998 if (!adv_instance)
999 return 0;
fdf51784 1000
bea28e65 1001 return adv_instance->flags;
441ad2d0
MH		 1002}
1003
7b683b74 1004static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev)
c7d4883b 1005{
7b683b74
FG		 1006 u8 instance = get_current_adv_instance(hdev);
1007 struct adv_info *adv_instance;
1008
1009 /* Ignore instance 0 */
1010 if (instance == 0x00)
1011 return 0;
1012
1013 adv_instance = hci_find_adv_instance(hdev, instance);
1014 if (!adv_instance)
c7d4883b
AU		 1015 return 0;
1016
1017 /* TODO: Take into account the "appearance" and "local-name" flags here.
1018 * These are currently being ignored as they are not supported.
1019 */
7b683b74 1020 return adv_instance->scan_rsp_len;
c7d4883b
AU		 1021}
1022
fdf51784 1023static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
24b4f38f 1024{
f63ba24b 1025 struct adv_info *adv_instance = NULL;
b44133ff 1026 u8 ad_len = 0, flags = 0;
f63ba24b
FG		 1027 u32 instance_flags;
1028
1029 /* Return 0 when the current instance identifier is invalid. */
1030 if (instance) {
1031 adv_instance = hci_find_adv_instance(hdev, instance);
1032 if (!adv_instance)
1033 return 0;
1034 }
1035
1036 instance_flags = get_adv_instance_flags(hdev, instance);
b44133ff 1037
807ec772
AU		 1038 /* The Add Advertising command allows userspace to set both the general
1039 * and limited discoverable flags.
1040 */
fdf51784 1041 if (instance_flags & MGMT_ADV_FLAG_DISCOV)
b44133ff
AU		 1042 flags |= LE_AD_GENERAL;
1043
fdf51784 1044 if (instance_flags & MGMT_ADV_FLAG_LIMITED_DISCOV)
807ec772
AU		 1045 flags |= LE_AD_LIMITED;
1046
fdf51784 1047 if (flags || (instance_flags & MGMT_ADV_FLAG_MANAGED_FLAGS)) {
67e0c0cd
AU		 1048 /* If a discovery flag wasn't provided, simply use the global
1049 * settings.
1050 */
1051 if (!flags)
1052 flags |= get_adv_discov_flags(hdev);
1053
b44133ff
AU		 1054 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1055 flags |= LE_AD_NO_BREDR;
1056
fdf51784
AU		 1057 /* If flags would still be empty, then there is no need to
1058 * include the "Flags" AD field".
1059 */
1060 if (flags) {
1061 ptr[0] = 0x02;
1062 ptr[1] = EIR_FLAGS;
1063 ptr[2] = flags;
b44133ff 1064
fdf51784
AU		 1065 ad_len += 3;
1066 ptr += 3;
1067 }
b44133ff
AU		 1068 }
1069
f63ba24b
FG		 1070 if (adv_instance) {
1071 memcpy(ptr, adv_instance->adv_data,
1072 adv_instance->adv_data_len);
1073 ad_len += adv_instance->adv_data_len;
1074 ptr += adv_instance->adv_data_len;
38c8af60
MH		 1075 }
1076
fdf51784 1077 /* Provide Tx Power only if we can provide a valid value for it */
5507e358 1078 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
fdf51784 1079 (instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
5507e358
AU		 1080 ptr[0] = 0x02;
1081 ptr[1] = EIR_TX_POWER;
1082 ptr[2] = (u8)hdev->adv_tx_power;
1083
1084 ad_len += 3;
1085 ptr += 3;
1086 }
1087
b44133ff 1088 return ad_len;
24b4f38f
AU		 1089}
1090
efae002c 1091static void update_inst_adv_data(struct hci_request *req, u8 instance)
441ad2d0
MH		 1092{
1093 struct hci_dev *hdev = req->hdev;
1094 struct hci_cp_le_set_adv_data cp;
1095 u8 len;
1096
d7a5a11d 1097 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
441ad2d0
MH		 1098 return;
1099
1100 memset(&cp, 0, sizeof(cp));
1101
fdf51784 1102 len = create_instance_adv_data(hdev, instance, cp.data);
441ad2d0 1103
24b4f38f 1104 /* There's nothing to do if the data hasn't changed */
441ad2d0
MH		 1105 if (hdev->adv_data_len == len &&
1106 memcmp(cp.data, hdev->adv_data, len) == 0)
1107 return;
1108
1109 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
1110 hdev->adv_data_len = len;
1111
1112 cp.length = len;
1113
1114 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
1115}
1116
e7a685d3
AU		 1117static void update_adv_data(struct hci_request *req)
1118{
efae002c 1119 update_inst_adv_data(req, get_current_adv_instance(req->hdev));
24b4f38f
AU		 1120}
1121
bc6d2d04
JH		 1122int mgmt_update_adv_data(struct hci_dev *hdev)
1123{
1124 struct hci_request req;
1125
1126 hci_req_init(&req, hdev);
1127 update_adv_data(&req);
1128
1129 return hci_req_run(&req, NULL);
1130}
1131
ef580372
JH		 1132static void create_eir(struct hci_dev *hdev, u8 *data)
1133{
1134 u8 *ptr = data;
ef580372
JH		 1135 size_t name_len;
1136
1137 name_len = strlen(hdev->dev_name);
1138
1139 if (name_len > 0) {
1140 /* EIR Data type */
1141 if (name_len > 48) {
1142 name_len = 48;
1143 ptr[1] = EIR_NAME_SHORT;
1144 } else
1145 ptr[1] = EIR_NAME_COMPLETE;
1146
1147 /* EIR Data length */
1148 ptr[0] = name_len + 1;
1149
1150 memcpy(ptr + 2, hdev->dev_name, name_len);
1151
ef580372
JH		 1152 ptr += (name_len + 2);
1153 }
1154
bbaf444a 1155 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 1156 ptr[0] = 2;
1157 ptr[1] = EIR_TX_POWER;
1158 ptr[2] = (u8) hdev->inq_tx_power;
1159
91c4e9b1
MH		 1160 ptr += 3;
1161 }
1162
2b9be137
MH		 1163 if (hdev->devid_source > 0) {
1164 ptr[0] = 9;
1165 ptr[1] = EIR_DEVICE_ID;
1166
1167 put_unaligned_le16(hdev->devid_source, ptr + 2);
1168 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
1169 put_unaligned_le16(hdev->devid_product, ptr + 6);
1170 put_unaligned_le16(hdev->devid_version, ptr + 8);
1171
2b9be137
MH		 1172 ptr += 10;
1173 }
1174
213202ed 1175 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 1176 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 1177 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 1178}
1179
890ea898 1180static void update_eir(struct hci_request *req)
ef580372 1181{
890ea898 1182 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1183 struct hci_cp_write_eir cp;
1184
504c8dcd 1185 if (!hdev_is_powered(hdev))
890ea898 1186 return;
7770c4aa 1187
976eb20e 1188 if (!lmp_ext_inq_capable(hdev))
890ea898 1189 return;
ef580372 1190
d7a5a11d 1191 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
890ea898 1192 return;
ef580372 1193
d7a5a11d 1194 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
890ea898 1195 return;
ef580372
JH		 1196
1197 memset(&cp, 0, sizeof(cp));
1198
1199 create_eir(hdev, cp.data);
1200
1201 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 1202 return;
ef580372
JH		 1203
1204 memcpy(hdev->eir, cp.data, sizeof(cp.data));
1205
890ea898 1206 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 1207}
1208
1209static u8 get_service_classes(struct hci_dev *hdev)
1210{
1211 struct bt_uuid *uuid;
1212 u8 val = 0;
1213
1214 list_for_each_entry(uuid, &hdev->uuids, list)
1215 val |= uuid->svc_hint;
1216
1217 return val;
1218}
1219
890ea898 1220static void update_class(struct hci_request *req)
ef580372 1221{
890ea898 1222 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1223 u8 cod[3];
1224
1225 BT_DBG("%s", hdev->name);
1226
504c8dcd 1227 if (!hdev_is_powered(hdev))
890ea898 1228 return;
7770c4aa 1229
d7a5a11d 1230 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
f87ea1da
JH		 1231 return;
1232
d7a5a11d 1233 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
890ea898 1234 return;
ef580372
JH		 1235
1236 cod[0] = hdev->minor_class;
1237 cod[1] = hdev->major_class;
1238 cod[2] = get_service_classes(hdev);
1239
d7a5a11d 1240 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
6acd7db4
MH		 1241 cod[1] |= 0x20;
1242
ef580372 1243 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1244 return;
ef580372 1245
890ea898 1246 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1247}
1248
0ec5ae84
JH		 1249static void disable_advertising(struct hci_request *req)
1250{
1251 u8 enable = 0x00;
1252
1253 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1254}
1255
199a2fb1
JH		 1256static void enable_advertising(struct hci_request *req)
1257{
1258 struct hci_dev *hdev = req->hdev;
1259 struct hci_cp_le_set_adv_param cp;
8f2a0601 1260 u8 own_addr_type, enable = 0x01;
a4858cb9 1261 bool connectable;
e7a685d3
AU		 1262 u8 instance;
1263 u32 flags;
199a2fb1 1264
0ec5ae84
JH		 1265 if (hci_conn_num(hdev, LE_LINK) > 0)
1266 return;
1267
d7a5a11d 1268 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
0ec5ae84
JH		 1269 disable_advertising(req);
1270
5ce194c4 1271 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1272 * hci_update_random_address knows that it's safe to go ahead
1273 * and write a new random address. The flag will be set back on
1274 * as soon as the SET_ADV_ENABLE HCI command completes.
1275 */
a358dc11 1276 hci_dev_clear_flag(hdev, HCI_LE_ADV);
8d97250e 1277
e7a685d3
AU		 1278 instance = get_current_adv_instance(hdev);
1279 flags = get_adv_instance_flags(hdev, instance);
faccb950
AU		 1280
1281 /* If the "connectable" instance flag was not set, then choose between
1282 * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
1283 */
1284 connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
1285 get_connectable(hdev);
8f2a0601 1286
a4858cb9
JH		 1287 /* Set require_privacy to true only when non-connectable
1288 * advertising is used. In that case it is fine to use a
1289 * non-resolvable private address.
1290 */
1291 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1292 return;
1293
41c90c18 1294 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1295 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1296 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
c7d4883b
AU		 1297
1298 if (connectable)
1299 cp.type = LE_ADV_IND;
7b683b74 1300 else if (get_cur_adv_instance_scan_rsp_len(hdev))
c7d4883b
AU		 1301 cp.type = LE_ADV_SCAN_IND;
1302 else
1303 cp.type = LE_ADV_NONCONN_IND;
1304
8f2a0601 1305 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1306 cp.channel_map = hdev->le_adv_channel_map;
1307
1308 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1309
1310 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1311}
1312
7d78525d
JH		 1313static void service_cache_off(struct work_struct *work)
1314{
1315 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1316 service_cache.work);
890ea898 1317 struct hci_request req;
7d78525d 1318
a69d8927 1319 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
7d78525d
JH		 1320 return;
1321
890ea898
JH		 1322 hci_req_init(&req, hdev);
1323
7d78525d
JH		 1324 hci_dev_lock(hdev);
1325
890ea898
JH		 1326 update_eir(&req);
1327 update_class(&req);
7d78525d
JH		 1328
1329 hci_dev_unlock(hdev);
890ea898
JH		 1330
1331 hci_req_run(&req, NULL);
7d78525d
JH		 1332}
1333
d6bfd59c
JH		 1334static void rpa_expired(struct work_struct *work)
1335{
1336 struct hci_dev *hdev = container_of(work, struct hci_dev,
1337 rpa_expired.work);
1338 struct hci_request req;
1339
1340 BT_DBG("");
1341
a1536da2 1342 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
d6bfd59c 1343
d7a5a11d 1344 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
d6bfd59c
JH		 1345 return;
1346
1347 /* The generation of a new RPA and programming it into the
1348 * controller happens in the enable_advertising() function.
1349 */
d6bfd59c 1350 hci_req_init(&req, hdev);
d6bfd59c 1351 enable_advertising(&req);
d6bfd59c
JH		 1352 hci_req_run(&req, NULL);
1353}
1354
6a919082 1355static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1356{
238be788 1357 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
6a919082
JH		 1358 return;
1359
4f87da80 1360 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1361 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1362
4f87da80
JH		 1363 /* Non-mgmt controlled devices get this bit set
1364 * implicitly so that pairing works for them, however
1365 * for mgmt we require user-space to explicitly enable
1366 * it
1367 */
a358dc11 1368 hci_dev_clear_flag(hdev, HCI_BONDABLE);
7d78525d
JH		 1369}
1370
0f4e68cf 1371static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1372 void *data, u16 data_len)
0381101f 1373{
a38528f1 1374 struct mgmt_rp_read_info rp;
f7b64e69 1375
bdb6d971 1376 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1377
09fd0de5 1378 hci_dev_lock(hdev);
f7b64e69 1379
dc4fe30b
JH		 1380 memset(&rp, 0, sizeof(rp));
1381
69ab39ea 1382 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1383
69ab39ea 1384 rp.version = hdev->hci_ver;
eb55ef07 1385 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1386
1387 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1388 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1389
a38528f1 1390 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1391
dc4fe30b 1392 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1393 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1394
09fd0de5 1395 hci_dev_unlock(hdev);
0381101f 1396
2a1afb5a
JH		 1397 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
1398 sizeof(rp));
0381101f
JH		 1399}
1400
69ab39ea 1401static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1402{
69ab39ea 1403 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1404
2a1afb5a
JH		 1405 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
1406 sizeof(settings));
8680570b
JH		 1407}
1408
1904a853 1409static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
8b064a3a
JH		 1410{
1411 BT_DBG("%s status 0x%02x", hdev->name, status);
1412
a3172b7e
JH		 1413 if (hci_conn_count(hdev) == 0) {
1414 cancel_delayed_work(&hdev->power_off);
8b064a3a 1415 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1416 }
8b064a3a
JH		 1417}
1418
23a48093 1419static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1420{
1421 struct hci_dev *hdev = req->hdev;
1422 struct hci_cp_remote_name_req_cancel cp;
1423 struct inquiry_entry *e;
1424
1425 switch (hdev->discovery.state) {
1426 case DISCOVERY_FINDING:
07d2334a 1427 if (test_bit(HCI_INQUIRY, &hdev->flags))
21a60d30 1428 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
07d2334a
JP		 1429
1430 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
21a60d30
JH		 1431 cancel_delayed_work(&hdev->le_scan_disable);
1432 hci_req_add_le_scan_disable(req);
1433 }
1434
23a48093 1435 return true;
21a60d30
JH		 1436
1437 case DISCOVERY_RESOLVING:
1438 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1439 NAME_PENDING);
1440 if (!e)
23a48093 1441 break;
21a60d30
JH		 1442
1443 bacpy(&cp.bdaddr, &e->data.bdaddr);
1444 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1445 &cp);
1446
23a48093 1447 return true;
21a60d30
JH		 1448
1449 default:
1450 /* Passive scanning */
d7a5a11d 1451 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
21a60d30 1452 hci_req_add_le_scan_disable(req);
23a48093
JH		 1453 return true;
1454 }
1455
21a60d30
JH		 1456 break;
1457 }
23a48093
JH		 1458
1459 return false;
21a60d30
JH		 1460}
1461
912098a6
AU		 1462static void advertising_added(struct sock *sk, struct hci_dev *hdev,
1463 u8 instance)
1464{
1465 struct mgmt_ev_advertising_added ev;
1466
1467 ev.instance = instance;
1468
1469 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
1470}
1471
1472static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
1473 u8 instance)
1474{
1475 struct mgmt_ev_advertising_removed ev;
1476
1477 ev.instance = instance;
1478
1479 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
1480}
1481
7816b820
FG		 1482static int schedule_adv_instance(struct hci_request *req, u8 instance,
1483 bool force) {
1484 struct hci_dev *hdev = req->hdev;
1485 struct adv_info *adv_instance = NULL;
1486 u16 timeout;
1487
1488 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
1489 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1490 return -EPERM;
1491
1492 if (hdev->adv_instance_timeout)
1493 return -EBUSY;
1494
1495 adv_instance = hci_find_adv_instance(hdev, instance);
1496 if (!adv_instance)
1497 return -ENOENT;
1498
1499 /* A zero timeout means unlimited advertising. As long as there is
1500 * only one instance, duration should be ignored. We still set a timeout
1501 * in case further instances are being added later on.
1502 *
1503 * If the remaining lifetime of the instance is more than the duration
1504 * then the timeout corresponds to the duration, otherwise it will be
1505 * reduced to the remaining instance lifetime.
1506 */
1507 if (adv_instance->timeout == 0 ||
1508 adv_instance->duration <= adv_instance->remaining_time)
1509 timeout = adv_instance->duration;
1510 else
1511 timeout = adv_instance->remaining_time;
1512
1513 /* The remaining time is being reduced unless the instance is being
1514 * advertised without time limit.
1515 */
1516 if (adv_instance->timeout)
1517 adv_instance->remaining_time =
1518 adv_instance->remaining_time - timeout;
1519
1520 hdev->adv_instance_timeout = timeout;
1521 queue_delayed_work(hdev->workqueue,
1522 &hdev->adv_instance_expire,
1523 msecs_to_jiffies(timeout * 1000));
1524
1525 /* If we're just re-scheduling the same instance again then do not
1526 * execute any HCI commands. This happens when a single instance is
1527 * being advertised.
1528 */
1529 if (!force && hdev->cur_adv_instance == instance &&
1530 hci_dev_test_flag(hdev, HCI_LE_ADV))
1531 return 0;
1532
1533 hdev->cur_adv_instance = instance;
1534 update_adv_data(req);
1535 update_scan_rsp_data(req);
1536 enable_advertising(req);
1537
1538 return 0;
1539}
1540
1541static void cancel_adv_timeout(struct hci_dev *hdev)
1542{
1543 if (hdev->adv_instance_timeout) {
1544 hdev->adv_instance_timeout = 0;
1545 cancel_delayed_work(&hdev->adv_instance_expire);
1546 }
1547}
1548
847818d9
FG		 1549/* For a single instance:
1550 * - force == true: The instance will be removed even when its remaining
1551 * lifetime is not zero.
1552 * - force == false: the instance will be deactivated but kept stored unless
1553 * the remaining lifetime is zero.
1554 *
1555 * For instance == 0x00:
1556 * - force == true: All instances will be removed regardless of their timeout
1557 * setting.
1558 * - force == false: Only instances that have a timeout will be removed.
1559 */
1560static void clear_adv_instance(struct hci_dev *hdev, struct hci_request *req,
1561 u8 instance, bool force)
912098a6 1562{
847818d9
FG		 1563 struct adv_info *adv_instance, *n, *next_instance = NULL;
1564 int err;
1565 u8 rem_inst;
912098a6 1566
847818d9
FG		 1567 /* Cancel any timeout concerning the removed instance(s). */
1568 if (!instance || hdev->cur_adv_instance == instance)
1569 cancel_adv_timeout(hdev);
912098a6 1570
847818d9
FG		 1571 /* Get the next instance to advertise BEFORE we remove
1572 * the current one. This can be the same instance again
1573 * if there is only one instance.
1574 */
1575 if (instance && hdev->cur_adv_instance == instance)
1576 next_instance = hci_get_next_instance(hdev, instance);
912098a6 1577
847818d9
FG		 1578 if (instance == 0x00) {
1579 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances,
1580 list) {
1581 if (!(force || adv_instance->timeout))
1582 continue;
912098a6 1583
847818d9
FG		 1584 rem_inst = adv_instance->instance;
1585 err = hci_remove_adv_instance(hdev, rem_inst);
1586 if (!err)
1587 advertising_removed(NULL, hdev, rem_inst);
1588 }
1589 hdev->cur_adv_instance = 0x00;
1590 } else {
1591 adv_instance = hci_find_adv_instance(hdev, instance);
1592
1593 if (force || (adv_instance && adv_instance->timeout &&
1594 !adv_instance->remaining_time)) {
1595 /* Don't advertise a removed instance. */
1596 if (next_instance &&
1597 next_instance->instance == instance)
1598 next_instance = NULL;
1599
1600 err = hci_remove_adv_instance(hdev, instance);
1601 if (!err)
1602 advertising_removed(NULL, hdev, instance);
1603 }
1604 }
1605
1606 if (list_empty(&hdev->adv_instances)) {
1607 hdev->cur_adv_instance = 0x00;
1608 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
1609 }
1610
1611 if (!req || !hdev_is_powered(hdev) ||
912098a6
AU		 1612 hci_dev_test_flag(hdev, HCI_ADVERTISING))
1613 return;
1614
847818d9
FG		 1615 if (next_instance)
1616 schedule_adv_instance(req, next_instance->instance, false);
912098a6
AU		 1617}
1618
8b064a3a
JH		 1619static int clean_up_hci_state(struct hci_dev *hdev)
1620{
1621 struct hci_request req;
1622 struct hci_conn *conn;
23a48093
JH		 1623 bool discov_stopped;
1624 int err;
8b064a3a
JH		 1625
1626 hci_req_init(&req, hdev);
1627
1628 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1629 test_bit(HCI_PSCAN, &hdev->flags)) {
1630 u8 scan = 0x00;
1631 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1632 }
1633
847818d9 1634 clear_adv_instance(hdev, NULL, 0x00, false);
912098a6 1635
d7a5a11d 1636 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
8b064a3a
JH		 1637 disable_advertising(&req);
1638
23a48093 1639 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1640
1641 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
89e0ccc8
JH		 1642 /* 0x15 == Terminated due to Power Off */
1643 __hci_abort_conn(&req, conn, 0x15);
8b064a3a
JH		 1644 }
1645
23a48093
JH		 1646 err = hci_req_run(&req, clean_up_hci_complete);
1647 if (!err && discov_stopped)
1648 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1649
1650 return err;
8b064a3a
JH		 1651}
1652
bdb6d971 1653static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1654 u16 len)
eec8d2bc 1655{
650f726d 1656 struct mgmt_mode *cp = data;
3b0602cd 1657 struct mgmt_pending_cmd *cmd;
4b34ee78 1658 int err;
eec8d2bc 1659
bdb6d971 1660 BT_DBG("request for %s", hdev->name);
eec8d2bc 1661
a7e80f25 1662 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1663 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1664 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1665
09fd0de5 1666 hci_dev_lock(hdev);
eec8d2bc 1667
333ae95d 1668 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
a69e8375
JH		 1669 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1670 MGMT_STATUS_BUSY);
87b95ba6
JH		 1671 goto failed;
1672 }
1673
a69d8927 1674 if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
f0d4b78a
MH		 1675 cancel_delayed_work(&hdev->power_off);
1676
1677 if (cp->val) {
a1d70450
JH		 1678 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1679 data, len);
1680 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1681 goto failed;
1682 }
1683 }
1684
4b34ee78 1685 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1686 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1687 goto failed;
1688 }
1689
2e58ef3e 1690 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1691 if (!cmd) {
1692 err = -ENOMEM;
eec8d2bc 1693 goto failed;
366a0336 1694 }
eec8d2bc 1695
8b064a3a 1696 if (cp->val) {
19202573 1697 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1698 err = 0;
1699 } else {
1700 /* Disconnect connections, stop scans, etc */
1701 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1702 if (!err)
1703 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1704 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1705
8b064a3a
JH		 1706 /* ENODATA means there were no HCI commands queued */
1707 if (err == -ENODATA) {
a3172b7e 1708 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1709 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1710 err = 0;
1711 }
1712 }
eec8d2bc
JH		 1713
1714failed:
09fd0de5 1715 hci_dev_unlock(hdev);
366a0336 1716 return err;
eec8d2bc
JH		 1717}
1718
beadb2bd
JH		 1719static int new_settings(struct hci_dev *hdev, struct sock *skip)
1720{
f6b7712e 1721 __le32 ev = cpu_to_le32(get_current_settings(hdev));
beadb2bd 1722
f6b7712e
MH		 1723 return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1724 sizeof(ev), skip);
beadb2bd
JH		 1725}
1726
91a668b0
JH		 1727int mgmt_new_settings(struct hci_dev *hdev)
1728{
1729 return new_settings(hdev, NULL);
1730}
1731
bd99abdd
JH		 1732struct cmd_lookup {
1733 struct sock *sk;
1734 struct hci_dev *hdev;
1735 u8 mgmt_status;
1736};
1737
3b0602cd 1738static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1739{
1740 struct cmd_lookup *match = data;
1741
1742 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1743
1744 list_del(&cmd->list);
1745
1746 if (match->sk == NULL) {
1747 match->sk = cmd->sk;
1748 sock_hold(match->sk);
1749 }
1750
1751 mgmt_pending_free(cmd);
1752}
1753
3b0602cd 1754static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1755{
1756 u8 *status = data;
1757
a69e8375 1758 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
bd99abdd
JH		 1759 mgmt_pending_remove(cmd);
1760}
1761
3b0602cd 1762static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
1b9b5ee5
JH		 1763{
1764 if (cmd->cmd_complete) {
1765 u8 *status = data;
1766
1767 cmd->cmd_complete(cmd, *status);
1768 mgmt_pending_remove(cmd);
1769
1770 return;
1771 }
1772
1773 cmd_status_rsp(cmd, data);
1774}
1775
3b0602cd 1776static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
f5818c22 1777{
2a1afb5a
JH		 1778 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1779 cmd->param, cmd->param_len);
f5818c22
JH		 1780}
1781
3b0602cd 1782static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
7776d1d8 1783{
2a1afb5a
JH		 1784 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1785 cmd->param, sizeof(struct mgmt_addr_info));
7776d1d8
JH		 1786}
1787
e6fe7986
JH		 1788static u8 mgmt_bredr_support(struct hci_dev *hdev)
1789{
1790 if (!lmp_bredr_capable(hdev))
1791 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1792 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
e6fe7986
JH		 1793 return MGMT_STATUS_REJECTED;
1794 else
1795 return MGMT_STATUS_SUCCESS;
1796}
1797
1798static u8 mgmt_le_support(struct hci_dev *hdev)
1799{
1800 if (!lmp_le_capable(hdev))
1801 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1802 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
e6fe7986
JH		 1803 return MGMT_STATUS_REJECTED;
1804 else
1805 return MGMT_STATUS_SUCCESS;
1806}
1807
1904a853
MH		 1808static void set_discoverable_complete(struct hci_dev *hdev, u8 status,
1809 u16 opcode)
bfaf8c9f 1810{
3b0602cd 1811 struct mgmt_pending_cmd *cmd;
bfaf8c9f 1812 struct mgmt_mode *cp;
970ba524 1813 struct hci_request req;
bfaf8c9f
JH		 1814 bool changed;
1815
1816 BT_DBG("status 0x%02x", status);
1817
1818 hci_dev_lock(hdev);
1819
333ae95d 1820 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
bfaf8c9f
JH		 1821 if (!cmd)
1822 goto unlock;
1823
1824 if (status) {
1825 u8 mgmt_err = mgmt_status(status);
a69e8375 1826 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
a358dc11 1827 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
bfaf8c9f
JH		 1828 goto remove_cmd;
1829 }
1830
1831 cp = cmd->param;
d4462a07 1832 if (cp->val) {
238be788 1833 changed = !hci_dev_test_and_set_flag(hdev, HCI_DISCOVERABLE);
d4462a07
MH		 1834
1835 if (hdev->discov_timeout > 0) {
1836 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1837 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1838 to);
1839 }
1840 } else {
a69d8927 1841 changed = hci_dev_test_and_clear_flag(hdev, HCI_DISCOVERABLE);
d4462a07 1842 }
bfaf8c9f
JH		 1843
1844 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1845
1846 if (changed)
1847 new_settings(hdev, cmd->sk);
1848
970ba524
MH		 1849 /* When the discoverable mode gets changed, make sure
1850 * that class of device has the limited discoverable
432df05e
JH		 1851 * bit correctly set. Also update page scan based on whitelist
1852 * entries.
970ba524
MH		 1853 */
1854 hci_req_init(&req, hdev);
1d2dc5b7 1855 __hci_update_page_scan(&req);
970ba524
MH		 1856 update_class(&req);
1857 hci_req_run(&req, NULL);
1858
bfaf8c9f
JH		 1859remove_cmd:
1860 mgmt_pending_remove(cmd);
1861
1862unlock:
1863 hci_dev_unlock(hdev);
1864}
1865
bdb6d971 1866static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1867 u16 len)
73f22f62 1868{
650f726d 1869 struct mgmt_cp_set_discoverable *cp = data;
3b0602cd 1870 struct mgmt_pending_cmd *cmd;
bfaf8c9f 1871 struct hci_request req;
5e5282bb 1872 u16 timeout;
9a43e25f 1873 u8 scan;
73f22f62
JH		 1874 int err;
1875
bdb6d971 1876 BT_DBG("request for %s", hdev->name);
73f22f62 1877
d7a5a11d
MH		 1878 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1879 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 1880 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1881 MGMT_STATUS_REJECTED);
33c525c0 1882
310a3d48 1883 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 1884 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1885 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1886
1f350c87 1887 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1888
1889 /* Disabling discoverable requires that no timeout is set,
1890 * and enabling limited discoverable requires a timeout.
1891 */
1892 if ((cp->val == 0x00 && timeout > 0) ||
1893 (cp->val == 0x02 && timeout == 0))
a69e8375
JH		 1894 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1895 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1896
09fd0de5 1897 hci_dev_lock(hdev);
73f22f62 1898
5e5282bb 1899 if (!hdev_is_powered(hdev) && timeout > 0) {
a69e8375
JH		 1900 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1901 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1902 goto failed;
1903 }
1904
333ae95d
JH		 1905 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1906 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 1907 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1908 MGMT_STATUS_BUSY);
73f22f62
JH		 1909 goto failed;
1910 }
1911
d7a5a11d 1912 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
a69e8375
JH		 1913 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1914 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1915 goto failed;
1916 }
1917
1918 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1919 bool changed = false;
1920
310a3d48
MH		 1921 /* Setting limited discoverable when powered off is
1922 * not a valid operation since it requires a timeout
1923 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1924 */
d7a5a11d 1925 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
ce05d603 1926 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
0224d2fa
JH		 1927 changed = true;
1928 }
1929
5e5282bb 1930 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1931 if (err < 0)
1932 goto failed;
1933
1934 if (changed)
1935 err = new_settings(hdev, sk);
1936
5e5282bb
JH		 1937 goto failed;
1938 }
1939
310a3d48
MH		 1940 /* If the current mode is the same, then just update the timeout
1941 * value with the new value. And if only the timeout gets updated,
1942 * then no need for any HCI transactions.
1943 */
d7a5a11d
MH		 1944 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1945 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1946 HCI_LIMITED_DISCOVERABLE)) {
36261547
MH		 1947 cancel_delayed_work(&hdev->discov_off);
1948 hdev->discov_timeout = timeout;
955638ec 1949
36261547
MH		 1950 if (cp->val && hdev->discov_timeout > 0) {
1951 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1952 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1953 to);
955638ec
MH		 1954 }
1955
69ab39ea 1956 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1957 goto failed;
1958 }
1959
2e58ef3e 1960 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1961 if (!cmd) {
1962 err = -ENOMEM;
73f22f62 1963 goto failed;
366a0336 1964 }
73f22f62 1965
310a3d48
MH		 1966 /* Cancel any potential discoverable timeout that might be
1967 * still active and store new timeout value. The arming of
1968 * the timeout happens in the complete handler.
1969 */
1970 cancel_delayed_work(&hdev->discov_off);
1971 hdev->discov_timeout = timeout;
1972
b456f87c
JH		 1973 /* Limited discoverable mode */
1974 if (cp->val == 0x02)
a1536da2 1975 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1976 else
a358dc11 1977 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1978
bfaf8c9f
JH		 1979 hci_req_init(&req, hdev);
1980
9a43e25f
JH		 1981 /* The procedure for LE-only controllers is much simpler - just
1982 * update the advertising data.
1983 */
d7a5a11d 1984 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
9a43e25f
JH		 1985 goto update_ad;
1986
73f22f62
JH		 1987 scan = SCAN_PAGE;
1988
310a3d48
MH		 1989 if (cp->val) {
1990 struct hci_cp_write_current_iac_lap hci_cp;
1991
1992 if (cp->val == 0x02) {
1993 /* Limited discoverable mode */
33337dcb 1994 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1995 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1996 hci_cp.iac_lap[1] = 0x8b;
1997 hci_cp.iac_lap[2] = 0x9e;
1998 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1999 hci_cp.iac_lap[4] = 0x8b;
2000 hci_cp.iac_lap[5] = 0x9e;
2001 } else {
2002 /* General discoverable mode */
310a3d48
MH		 2003 hci_cp.num_iac = 1;
2004 hci_cp.iac_lap[0] = 0x33; /* GIAC */
2005 hci_cp.iac_lap[1] = 0x8b;
2006 hci_cp.iac_lap[2] = 0x9e;
2007 }
2008
2009 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
2010 (hci_cp.num_iac * 3) + 1, &hci_cp);
2011
73f22f62 2012 scan |= SCAN_INQUIRY;
310a3d48 2013 } else {
a358dc11 2014 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
310a3d48 2015 }
73f22f62 2016
310a3d48 2017 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 2018
9a43e25f
JH		 2019update_ad:
2020 update_adv_data(&req);
2021
bfaf8c9f 2022 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 2023 if (err < 0)
a664b5bc 2024 mgmt_pending_remove(cmd);
73f22f62
JH		 2025
2026failed:
09fd0de5 2027 hci_dev_unlock(hdev);
73f22f62
JH		 2028 return err;
2029}
2030
406d7804
JH		 2031static void write_fast_connectable(struct hci_request *req, bool enable)
2032{
bd98b996 2033 struct hci_dev *hdev = req->hdev;
406d7804
JH		 2034 struct hci_cp_write_page_scan_activity acp;
2035 u8 type;
2036
d7a5a11d 2037 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
547003b1
JH		 2038 return;
2039
4c01f8b8
JH		 2040 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
2041 return;
2042
406d7804
JH		 2043 if (enable) {
2044 type = PAGE_SCAN_TYPE_INTERLACED;
2045
2046 /* 160 msec page scan interval */
dcf4adbf 2047 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 2048 } else {
2049 type = PAGE_SCAN_TYPE_STANDARD; /* default */
2050
2051 /* default 1.28 sec page scan */
dcf4adbf 2052 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 2053 }
2054
dcf4adbf 2055 acp.window = cpu_to_le16(0x0012);
406d7804 2056
bd98b996
JH		 2057 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
2058 __cpu_to_le16(hdev->page_scan_window) != acp.window)
2059 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
2060 sizeof(acp), &acp);
2061
2062 if (hdev->page_scan_type != type)
2063 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 2064}
2065
1904a853
MH		 2066static void set_connectable_complete(struct hci_dev *hdev, u8 status,
2067 u16 opcode)
2b76f453 2068{
3b0602cd 2069 struct mgmt_pending_cmd *cmd;
d7b856f9 2070 struct mgmt_mode *cp;
bc6d2d04 2071 bool conn_changed, discov_changed;
2b76f453
JH		 2072
2073 BT_DBG("status 0x%02x", status);
2074
2075 hci_dev_lock(hdev);
2076
333ae95d 2077 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
2b76f453
JH		 2078 if (!cmd)
2079 goto unlock;
2080
37438c1f
JH		 2081 if (status) {
2082 u8 mgmt_err = mgmt_status(status);
a69e8375 2083 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
37438c1f
JH		 2084 goto remove_cmd;
2085 }
2086
d7b856f9 2087 cp = cmd->param;
bc6d2d04 2088 if (cp->val) {
238be788
MH		 2089 conn_changed = !hci_dev_test_and_set_flag(hdev,
2090 HCI_CONNECTABLE);
bc6d2d04
JH		 2091 discov_changed = false;
2092 } else {
a69d8927
MH		 2093 conn_changed = hci_dev_test_and_clear_flag(hdev,
2094 HCI_CONNECTABLE);
2095 discov_changed = hci_dev_test_and_clear_flag(hdev,
2096 HCI_DISCOVERABLE);
bc6d2d04 2097 }
d7b856f9 2098
2b76f453
JH		 2099 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
2100
bc6d2d04 2101 if (conn_changed || discov_changed) {
d7b856f9 2102 new_settings(hdev, cmd->sk);
1d2dc5b7 2103 hci_update_page_scan(hdev);
bc6d2d04
JH		 2104 if (discov_changed)
2105 mgmt_update_adv_data(hdev);
2b7be33e
JH		 2106 hci_update_background_scan(hdev);
2107 }
d7b856f9 2108
37438c1f 2109remove_cmd:
2b76f453
JH		 2110 mgmt_pending_remove(cmd);
2111
2112unlock:
2113 hci_dev_unlock(hdev);
2114}
2115
e8ba3a1f
JH		 2116static int set_connectable_update_settings(struct hci_dev *hdev,
2117 struct sock *sk, u8 val)
2118{
2119 bool changed = false;
2120 int err;
2121
d7a5a11d 2122 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
e8ba3a1f
JH		 2123 changed = true;
2124
2125 if (val) {
a1536da2 2126 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
e8ba3a1f 2127 } else {
a358dc11
MH		 2128 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
2129 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
e8ba3a1f
JH		 2130 }
2131
2132 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
2133 if (err < 0)
2134 return err;
2135
562064e6 2136 if (changed) {
1d2dc5b7 2137 hci_update_page_scan(hdev);
562064e6 2138 hci_update_background_scan(hdev);
e8ba3a1f 2139 return new_settings(hdev, sk);
562064e6 2140 }
e8ba3a1f
JH		 2141
2142 return 0;
2143}
2144
bdb6d971 2145static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2146 u16 len)
9fbcbb45 2147{
650f726d 2148 struct mgmt_mode *cp = data;
3b0602cd 2149 struct mgmt_pending_cmd *cmd;
2b76f453 2150 struct hci_request req;
1987fdc7 2151 u8 scan;
9fbcbb45
JH		 2152 int err;
2153
bdb6d971 2154 BT_DBG("request for %s", hdev->name);
9fbcbb45 2155
d7a5a11d
MH		 2156 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
2157 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 2158 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2159 MGMT_STATUS_REJECTED);
33c525c0 2160
a7e80f25 2161 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2162 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2163 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2164
09fd0de5 2165 hci_dev_lock(hdev);
9fbcbb45 2166
4b34ee78 2167 if (!hdev_is_powered(hdev)) {
e8ba3a1f 2168 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 2169 goto failed;
2170 }
2171
333ae95d
JH		 2172 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
2173 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 2174 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2175 MGMT_STATUS_BUSY);
9fbcbb45
JH		 2176 goto failed;
2177 }
2178
2e58ef3e 2179 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 2180 if (!cmd) {
2181 err = -ENOMEM;
9fbcbb45 2182 goto failed;
366a0336 2183 }
9fbcbb45 2184
9b74246f 2185 hci_req_init(&req, hdev);
9fbcbb45 2186
9a43e25f
JH		 2187 /* If BR/EDR is not enabled and we disable advertising as a
2188 * by-product of disabling connectable, we need to update the
2189 * advertising flags.
2190 */
d7a5a11d 2191 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
9a43e25f 2192 if (!cp->val) {
a358dc11
MH		 2193 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
2194 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
9a43e25f
JH		 2195 }
2196 update_adv_data(&req);
2197 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 2198 if (cp->val) {
2199 scan = SCAN_PAGE;
2200 } else {
3bd27240
JH		 2201 /* If we don't have any whitelist entries just
2202 * disable all scanning. If there are entries
2203 * and we had both page and inquiry scanning
2204 * enabled then fall back to only page scanning.
2205 * Otherwise no changes are needed.
2206 */
2207 if (list_empty(&hdev->whitelist))
2208 scan = SCAN_DISABLED;
2209 else if (test_bit(HCI_ISCAN, &hdev->flags))
2210 scan = SCAN_PAGE;
2211 else
2212 goto no_scan_update;
9b74246f
JH		 2213
2214 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 2215 hdev->discov_timeout > 0)
9b74246f
JH		 2216 cancel_delayed_work(&hdev->discov_off);
2217 }
2b76f453 2218
9b74246f
JH		 2219 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
2220 }
2b76f453 2221
3bd27240 2222no_scan_update:
e8b1202c 2223 /* Update the advertising parameters if necessary */
880897d4
AU		 2224 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
2225 hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1987fdc7 2226 enable_advertising(&req);
1987fdc7 2227
2b76f453 2228 err = hci_req_run(&req, set_connectable_complete);
9b74246f 2229 if (err < 0) {
a664b5bc 2230 mgmt_pending_remove(cmd);
9b74246f 2231 if (err == -ENODATA)
a81070ba
JH		 2232 err = set_connectable_update_settings(hdev, sk,
2233 cp->val);
9b74246f
JH		 2234 goto failed;
2235 }
9fbcbb45
JH		 2236
2237failed:
09fd0de5 2238 hci_dev_unlock(hdev);
9fbcbb45
JH		 2239 return err;
2240}
2241
b2939475 2242static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2243 u16 len)
c542a06c 2244{
650f726d 2245 struct mgmt_mode *cp = data;
55594356 2246 bool changed;
c542a06c
JH		 2247 int err;
2248
bdb6d971 2249 BT_DBG("request for %s", hdev->name);
c542a06c 2250
a7e80f25 2251 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2252 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
2253 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2254
09fd0de5 2255 hci_dev_lock(hdev);
c542a06c
JH		 2256
2257 if (cp->val)
238be788 2258 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
c542a06c 2259 else
a69d8927 2260 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
c542a06c 2261
b2939475 2262 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 2263 if (err < 0)
55594356 2264 goto unlock;
c542a06c 2265
55594356
MH		 2266 if (changed)
2267 err = new_settings(hdev, sk);
c542a06c 2268
55594356 2269unlock:
09fd0de5 2270 hci_dev_unlock(hdev);
c542a06c
JH		 2271 return err;
2272}
2273
04124681
GP		 2274static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
2275 u16 len)
33ef95ed
JH		 2276{
2277 struct mgmt_mode *cp = data;
3b0602cd 2278 struct mgmt_pending_cmd *cmd;
e6fe7986 2279 u8 val, status;
33ef95ed
JH		 2280 int err;
2281
bdb6d971 2282 BT_DBG("request for %s", hdev->name);
33ef95ed 2283
e6fe7986
JH		 2284 status = mgmt_bredr_support(hdev);
2285 if (status)
a69e8375
JH		 2286 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2287 status);
33c525c0 2288
a7e80f25 2289 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2290 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2291 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2292
33ef95ed
JH		 2293 hci_dev_lock(hdev);
2294
4b34ee78 2295 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 2296 bool changed = false;
2297
d7a5a11d 2298 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
ce05d603 2299 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
47990ea0
JH		 2300 changed = true;
2301 }
2302
2303 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2304 if (err < 0)
2305 goto failed;
2306
2307 if (changed)
2308 err = new_settings(hdev, sk);
2309
33ef95ed
JH		 2310 goto failed;
2311 }
2312
333ae95d 2313 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
a69e8375
JH		 2314 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2315 MGMT_STATUS_BUSY);
33ef95ed
JH		 2316 goto failed;
2317 }
2318
2319 val = !!cp->val;
2320
2321 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2322 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2323 goto failed;
2324 }
2325
2326 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2327 if (!cmd) {
2328 err = -ENOMEM;
2329 goto failed;
2330 }
2331
2332 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2333 if (err < 0) {
2334 mgmt_pending_remove(cmd);
2335 goto failed;
2336 }
2337
2338failed:
2339 hci_dev_unlock(hdev);
33ef95ed
JH		 2340 return err;
2341}
2342
bdb6d971 2343static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2344{
2345 struct mgmt_mode *cp = data;
3b0602cd 2346 struct mgmt_pending_cmd *cmd;
72ef0c1a 2347 u8 status;
ed2c4ee3
JH		 2348 int err;
2349
bdb6d971 2350 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2351
cdba5281
MH		 2352 status = mgmt_bredr_support(hdev);
2353 if (status)
a69e8375 2354 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
cdba5281 2355
13ecd8b6 2356 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 2357 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2358 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2359
a7e80f25 2360 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2361 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2362 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2363
13ecd8b6 2364 hci_dev_lock(hdev);
6c8f12c1 2365
4b34ee78 2366 if (!hdev_is_powered(hdev)) {
9ecb3e24 2367 bool changed;
c0ecddc2 2368
9ecb3e24 2369 if (cp->val) {
238be788
MH		 2370 changed = !hci_dev_test_and_set_flag(hdev,
2371 HCI_SSP_ENABLED);
9ecb3e24 2372 } else {
a69d8927
MH		 2373 changed = hci_dev_test_and_clear_flag(hdev,
2374 HCI_SSP_ENABLED);
9ecb3e24 2375 if (!changed)
a69d8927
MH		 2376 changed = hci_dev_test_and_clear_flag(hdev,
2377 HCI_HS_ENABLED);
9ecb3e24 2378 else
a358dc11 2379 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
c0ecddc2
JH		 2380 }
2381
2382 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2383 if (err < 0)
2384 goto failed;
2385
2386 if (changed)
2387 err = new_settings(hdev, sk);
2388
ed2c4ee3
JH		 2389 goto failed;
2390 }
2391
333ae95d 2392 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 2393 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2394 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2395 goto failed;
2396 }
2397
d7a5a11d 2398 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
ed2c4ee3
JH		 2399 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2400 goto failed;
2401 }
2402
2403 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2404 if (!cmd) {
2405 err = -ENOMEM;
2406 goto failed;
2407 }
2408
d7a5a11d 2409 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 2410 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2411 sizeof(cp->val), &cp->val);
2412
72ef0c1a 2413 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2414 if (err < 0) {
2415 mgmt_pending_remove(cmd);
2416 goto failed;
2417 }
2418
2419failed:
2420 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2421 return err;
2422}
2423
bdb6d971 2424static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2425{
2426 struct mgmt_mode *cp = data;
ee392693 2427 bool changed;
e6fe7986 2428 u8 status;
ee392693 2429 int err;
6d80dfd0 2430
bdb6d971 2431 BT_DBG("request for %s", hdev->name);
6d80dfd0 2432
e6fe7986
JH		 2433 status = mgmt_bredr_support(hdev);
2434 if (status)
a69e8375 2435 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2436
9ecb3e24 2437 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 2438 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2439 MGMT_STATUS_NOT_SUPPORTED);
9ecb3e24 2440
d7a5a11d 2441 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 2442 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2443 MGMT_STATUS_REJECTED);
9ecb3e24 2444
a7e80f25 2445 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2446 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2447 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2448
ee392693
MH		 2449 hci_dev_lock(hdev);
2450
333ae95d 2451 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 2452 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2453 MGMT_STATUS_BUSY);
a2cb01de
JH		 2454 goto unlock;
2455 }
2456
a0cdf960 2457 if (cp->val) {
238be788 2458 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
a0cdf960
MH		 2459 } else {
2460 if (hdev_is_powered(hdev)) {
a69e8375
JH		 2461 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2462 MGMT_STATUS_REJECTED);
a0cdf960
MH		 2463 goto unlock;
2464 }
2465
a69d8927 2466 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
a0cdf960 2467 }
ee392693
MH		 2468
2469 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2470 if (err < 0)
2471 goto unlock;
2472
2473 if (changed)
2474 err = new_settings(hdev, sk);
6d80dfd0 2475
ee392693
MH		 2476unlock:
2477 hci_dev_unlock(hdev);
2478 return err;
6d80dfd0
JH		 2479}
2480
1904a853 2481static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
416a4ae5
JH		 2482{
2483 struct cmd_lookup match = { NULL, hdev };
2484
3ad67582
JK		 2485 hci_dev_lock(hdev);
2486
416a4ae5
JH		 2487 if (status) {
2488 u8 mgmt_err = mgmt_status(status);
2489
2490 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2491 &mgmt_err);
3ad67582 2492 goto unlock;
416a4ae5
JH		 2493 }
2494
2495 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2496
2497 new_settings(hdev, match.sk);
2498
2499 if (match.sk)
2500 sock_put(match.sk);
441ad2d0
MH		 2501
2502 /* Make sure the controller has a good default for
2503 * advertising data. Restrict the update to when LE
2504 * has actually been enabled. During power on, the
2505 * update in powered_update_hci will take care of it.
2506 */
d7a5a11d 2507 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
441ad2d0
MH		 2508 struct hci_request req;
2509
441ad2d0 2510 hci_req_init(&req, hdev);
5947f4bc 2511 update_adv_data(&req);
f14d8f64 2512 update_scan_rsp_data(&req);
2cf22218 2513 __hci_update_background_scan(&req);
441ad2d0 2514 hci_req_run(&req, NULL);
441ad2d0 2515 }
3ad67582
JK		 2516
2517unlock:
2518 hci_dev_unlock(hdev);
416a4ae5
JH		 2519}
2520
bdb6d971 2521static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2522{
2523 struct mgmt_mode *cp = data;
2524 struct hci_cp_write_le_host_supported hci_cp;
3b0602cd 2525 struct mgmt_pending_cmd *cmd;
416a4ae5 2526 struct hci_request req;
06199cf8 2527 int err;
0b60eba1 2528 u8 val, enabled;
06199cf8 2529
bdb6d971 2530 BT_DBG("request for %s", hdev->name);
06199cf8 2531
13ecd8b6 2532 if (!lmp_le_capable(hdev))
a69e8375
JH		 2533 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2534 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2535
a7e80f25 2536 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2537 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2538 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2539
e7844ee5
MH		 2540 /* Bluetooth single mode LE only controllers or dual-mode
2541 * controllers configured as LE only devices, do not allow
2542 * switching LE off. These have either LE enabled explicitly
2543 * or BR/EDR has been previously switched off.
2544 *
2545 * When trying to enable an already enabled LE, then gracefully
2546 * send a positive response. Trying to disable it however will
2547 * result into rejection.
2548 */
2549 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
2550 if (cp->val == 0x01)
2551 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2552
a69e8375
JH		 2553 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2554 MGMT_STATUS_REJECTED);
e7844ee5 2555 }
c73eee91 2556
13ecd8b6 2557 hci_dev_lock(hdev);
06199cf8
JH		 2558
2559 val = !!cp->val;
ffa88e02 2560 enabled = lmp_host_le_capable(hdev);
06199cf8 2561
847818d9
FG		 2562 if (!val)
2563 clear_adv_instance(hdev, NULL, 0x00, true);
2564
0b60eba1 2565 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2566 bool changed = false;
2567
d7a5a11d 2568 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
ce05d603 2569 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
06199cf8
JH		 2570 changed = true;
2571 }
2572
d7a5a11d 2573 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
a358dc11 2574 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
eeca6f89
JH		 2575 changed = true;
2576 }
2577
06199cf8
JH		 2578 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2579 if (err < 0)
1de028ce 2580 goto unlock;
06199cf8
JH		 2581
2582 if (changed)
2583 err = new_settings(hdev, sk);
2584
1de028ce 2585 goto unlock;
06199cf8
JH		 2586 }
2587
333ae95d
JH		 2588 if (pending_find(MGMT_OP_SET_LE, hdev) ||
2589 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
a69e8375
JH		 2590 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2591 MGMT_STATUS_BUSY);
1de028ce 2592 goto unlock;
06199cf8
JH		 2593 }
2594
2595 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2596 if (!cmd) {
2597 err = -ENOMEM;
1de028ce 2598 goto unlock;
06199cf8
JH		 2599 }
2600
441ad2d0
MH		 2601 hci_req_init(&req, hdev);
2602
06199cf8
JH		 2603 memset(&hci_cp, 0, sizeof(hci_cp));
2604
2605 if (val) {
2606 hci_cp.le = val;
32226e4f 2607 hci_cp.simul = 0x00;
441ad2d0 2608 } else {
d7a5a11d 2609 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
441ad2d0 2610 disable_advertising(&req);
06199cf8
JH		 2611 }
2612
416a4ae5
JH		 2613 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2614 &hci_cp);
2615
2616 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2617 if (err < 0)
06199cf8 2618 mgmt_pending_remove(cmd);
06199cf8 2619
1de028ce
JH		 2620unlock:
2621 hci_dev_unlock(hdev);
06199cf8
JH		 2622 return err;
2623}
2624
0cab9c80
JH		 2625/* This is a helper function to test for pending mgmt commands that can
2626 * cause CoD or EIR HCI commands. We can only allow one such pending
2627 * mgmt command at a time since otherwise we cannot easily track what
2628 * the current values are, will be, and based on that calculate if a new
2629 * HCI command needs to be sent and if yes with what value.
2630 */
2631static bool pending_eir_or_class(struct hci_dev *hdev)
2632{
3b0602cd 2633 struct mgmt_pending_cmd *cmd;
0cab9c80
JH		 2634
2635 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2636 switch (cmd->opcode) {
2637 case MGMT_OP_ADD_UUID:
2638 case MGMT_OP_REMOVE_UUID:
2639 case MGMT_OP_SET_DEV_CLASS:
2640 case MGMT_OP_SET_POWERED:
2641 return true;
2642 }
2643 }
2644
2645 return false;
2646}
2647
83be8eca
JH		 2648static const u8 bluetooth_base_uuid[] = {
2649 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2650 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2651};
2652
2653static u8 get_uuid_size(const u8 *uuid)
2654{
2655 u32 val;
2656
2657 if (memcmp(uuid, bluetooth_base_uuid, 12))
2658 return 128;
2659
2660 val = get_unaligned_le32(&uuid[12]);
2661 if (val > 0xffff)
2662 return 32;
2663
2664 return 16;
2665}
2666
92da6097
JH		 2667static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2668{
3b0602cd 2669 struct mgmt_pending_cmd *cmd;
92da6097
JH		 2670
2671 hci_dev_lock(hdev);
2672
333ae95d 2673 cmd = pending_find(mgmt_op, hdev);
92da6097
JH		 2674 if (!cmd)
2675 goto unlock;
2676
2a1afb5a
JH		 2677 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
2678 mgmt_status(status), hdev->dev_class, 3);
92da6097
JH		 2679
2680 mgmt_pending_remove(cmd);
2681
2682unlock:
2683 hci_dev_unlock(hdev);
2684}
2685
1904a853 2686static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2687{
2688 BT_DBG("status 0x%02x", status);
2689
2690 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2691}
2692
bdb6d971 2693static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2694{
650f726d 2695 struct mgmt_cp_add_uuid *cp = data;
3b0602cd 2696 struct mgmt_pending_cmd *cmd;
890ea898 2697 struct hci_request req;
2aeb9a1a 2698 struct bt_uuid *uuid;
2aeb9a1a
JH		 2699 int err;
2700
bdb6d971 2701 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2702
09fd0de5 2703 hci_dev_lock(hdev);
2aeb9a1a 2704
0cab9c80 2705 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2706 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
2707 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2708 goto failed;
2709 }
2710
92c4c204 2711 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2712 if (!uuid) {
2713 err = -ENOMEM;
2714 goto failed;
2715 }
2716
2717 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2718 uuid->svc_hint = cp->svc_hint;
83be8eca 2719 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2720
de66aa63 2721 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2722
890ea898 2723 hci_req_init(&req, hdev);
1aff6f09 2724
890ea898
JH		 2725 update_class(&req);
2726 update_eir(&req);
2727
92da6097
JH		 2728 err = hci_req_run(&req, add_uuid_complete);
2729 if (err < 0) {
2730 if (err != -ENODATA)
2731 goto failed;
80a1e1db 2732
2a1afb5a
JH		 2733 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
2734 hdev->dev_class, 3);
90e70454
JH		 2735 goto failed;
2736 }
2737
2738 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2739 if (!cmd) {
90e70454 2740 err = -ENOMEM;
890ea898
JH		 2741 goto failed;
2742 }
2743
2744 err = 0;
2aeb9a1a
JH		 2745
2746failed:
09fd0de5 2747 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2748 return err;
2749}
2750
24b78d0f
JH		 2751static bool enable_service_cache(struct hci_dev *hdev)
2752{
2753 if (!hdev_is_powered(hdev))
2754 return false;
2755
238be788 2756 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
46818ed5
JH		 2757 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2758 CACHE_TIMEOUT);
24b78d0f
JH		 2759 return true;
2760 }
2761
2762 return false;
2763}
2764
1904a853 2765static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2766{
2767 BT_DBG("status 0x%02x", status);
2768
2769 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2770}
2771
bdb6d971 2772static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2773 u16 len)
2aeb9a1a 2774{
650f726d 2775 struct mgmt_cp_remove_uuid *cp = data;
3b0602cd 2776 struct mgmt_pending_cmd *cmd;
056341c8 2777 struct bt_uuid *match, *tmp;
2aeb9a1a 2778 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2779 struct hci_request req;
2aeb9a1a
JH		 2780 int err, found;
2781
bdb6d971 2782 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2783
09fd0de5 2784 hci_dev_lock(hdev);
2aeb9a1a 2785
0cab9c80 2786 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2787 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2788 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2789 goto unlock;
2790 }
2791
2aeb9a1a 2792 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2793 hci_uuids_clear(hdev);
4004b6d9 2794
24b78d0f 2795 if (enable_service_cache(hdev)) {
2a1afb5a
JH		 2796 err = mgmt_cmd_complete(sk, hdev->id,
2797 MGMT_OP_REMOVE_UUID,
2798 0, hdev->dev_class, 3);
24b78d0f
JH		 2799 goto unlock;
2800 }
4004b6d9 2801
9246a869 2802 goto update_class;
2aeb9a1a
JH		 2803 }
2804
2805 found = 0;
2806
056341c8 2807 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2808 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2809 continue;
2810
2811 list_del(&match->list);
482049f7 2812 kfree(match);
2aeb9a1a
JH		 2813 found++;
2814 }
2815
2816 if (found == 0) {
a69e8375
JH		 2817 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2818 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2819 goto unlock;
2820 }
2821
9246a869 2822update_class:
890ea898 2823 hci_req_init(&req, hdev);
1aff6f09 2824
890ea898
JH		 2825 update_class(&req);
2826 update_eir(&req);
2827
92da6097
JH		 2828 err = hci_req_run(&req, remove_uuid_complete);
2829 if (err < 0) {
2830 if (err != -ENODATA)
2831 goto unlock;
80a1e1db 2832
2a1afb5a
JH		 2833 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
2834 hdev->dev_class, 3);
90e70454
JH		 2835 goto unlock;
2836 }
2837
2838 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2839 if (!cmd) {
90e70454 2840 err = -ENOMEM;
890ea898
JH		 2841 goto unlock;
2842 }
2843
2844 err = 0;
2aeb9a1a
JH		 2845
2846unlock:
09fd0de5 2847 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2848 return err;
2849}
2850
1904a853 2851static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2852{
2853 BT_DBG("status 0x%02x", status);
2854
2855 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2856}
2857
bdb6d971 2858static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2859 u16 len)
1aff6f09 2860{
650f726d 2861 struct mgmt_cp_set_dev_class *cp = data;
3b0602cd 2862 struct mgmt_pending_cmd *cmd;
890ea898 2863 struct hci_request req;
1aff6f09
JH		 2864 int err;
2865
bdb6d971 2866 BT_DBG("request for %s", hdev->name);
1aff6f09 2867
6203fc98 2868 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2869 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2870 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2871
0cab9c80 2872 hci_dev_lock(hdev);
ee98f473 2873
0cab9c80 2874 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2875 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2876 MGMT_STATUS_BUSY);
0cab9c80
JH		 2877 goto unlock;
2878 }
c95f0ba7 2879
0cab9c80 2880 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
a69e8375
JH		 2881 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2882 MGMT_STATUS_INVALID_PARAMS);
0cab9c80
JH		 2883 goto unlock;
2884 }
575b3a02 2885
932f5ff5
JH		 2886 hdev->major_class = cp->major;
2887 hdev->minor_class = cp->minor;
2888
b5235a65 2889 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2890 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2891 hdev->dev_class, 3);
b5235a65
JH		 2892 goto unlock;
2893 }
2894
890ea898
JH		 2895 hci_req_init(&req, hdev);
2896
a69d8927 2897 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
7d78525d
JH		 2898 hci_dev_unlock(hdev);
2899 cancel_delayed_work_sync(&hdev->service_cache);
2900 hci_dev_lock(hdev);
890ea898 2901 update_eir(&req);
7d78525d 2902 }
14c0b608 2903
890ea898
JH		 2904 update_class(&req);
2905
92da6097
JH		 2906 err = hci_req_run(&req, set_class_complete);
2907 if (err < 0) {
2908 if (err != -ENODATA)
2909 goto unlock;
1aff6f09 2910
2a1afb5a
JH		 2911 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2912 hdev->dev_class, 3);
90e70454
JH		 2913 goto unlock;
2914 }
2915
2916 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2917 if (!cmd) {
90e70454 2918 err = -ENOMEM;
890ea898
JH		 2919 goto unlock;
2920 }
2921
2922 err = 0;
1aff6f09 2923
b5235a65 2924unlock:
09fd0de5 2925 hci_dev_unlock(hdev);
1aff6f09
JH		 2926 return err;
2927}
2928
bdb6d971 2929static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2930 u16 len)
55ed8ca1 2931{
650f726d 2932 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2933 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2934 sizeof(struct mgmt_link_key_info));
4e51eae9 2935 u16 key_count, expected_len;
b1de97d8 2936 bool changed;
a492cd52 2937 int i;
55ed8ca1 2938
9060d5cf
MH		 2939 BT_DBG("request for %s", hdev->name);
2940
2941 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2942 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2943 MGMT_STATUS_NOT_SUPPORTED);
9060d5cf 2944
1f350c87 2945 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2946 if (key_count > max_key_count) {
2947 BT_ERR("load_link_keys: too big key_count value %u",
2948 key_count);
a69e8375
JH		 2949 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2950 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 2951 }
55ed8ca1 2952
86742e1e
JH		 2953 expected_len = sizeof(*cp) + key_count *
2954 sizeof(struct mgmt_link_key_info);
a492cd52 2955 if (expected_len != len) {
86742e1e 2956 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2957 expected_len, len);
a69e8375
JH		 2958 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2959 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2960 }
2961
4ae14301 2962 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
a69e8375
JH		 2963 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2964 MGMT_STATUS_INVALID_PARAMS);
4ae14301 2965
bdb6d971 2966 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2967 key_count);
55ed8ca1 2968
4ee71b20
JH		 2969 for (i = 0; i < key_count; i++) {
2970 struct mgmt_link_key_info *key = &cp->keys[i];
2971
8e991132 2972 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
a69e8375
JH		 2973 return mgmt_cmd_status(sk, hdev->id,
2974 MGMT_OP_LOAD_LINK_KEYS,
2975 MGMT_STATUS_INVALID_PARAMS);
4ee71b20
JH		 2976 }
2977
09fd0de5 2978 hci_dev_lock(hdev);
55ed8ca1
JH		 2979
2980 hci_link_keys_clear(hdev);
2981
55ed8ca1 2982 if (cp->debug_keys)
238be788 2983 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
55ed8ca1 2984 else
a69d8927
MH		 2985 changed = hci_dev_test_and_clear_flag(hdev,
2986 HCI_KEEP_DEBUG_KEYS);
b1de97d8
MH		 2987
2988 if (changed)
2989 new_settings(hdev, NULL);
55ed8ca1 2990
a492cd52 2991 for (i = 0; i < key_count; i++) {
86742e1e 2992 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2993
58e9293c
JH		 2994 /* Always ignore debug keys and require a new pairing if
2995 * the user wants to use them.
2996 */
2997 if (key->type == HCI_LK_DEBUG_COMBINATION)
2998 continue;
2999
7652ff6a
JH		 3000 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
3001 key->type, key->pin_len, NULL);
55ed8ca1
JH		 3002 }
3003
2a1afb5a 3004 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 3005
09fd0de5 3006 hci_dev_unlock(hdev);
55ed8ca1 3007
a492cd52 3008 return 0;
55ed8ca1
JH		 3009}
3010
b1078ad0 3011static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3012 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 3013{
3014 struct mgmt_ev_device_unpaired ev;
3015
3016 bacpy(&ev.addr.bdaddr, bdaddr);
3017 ev.addr.type = addr_type;
3018
3019 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 3020 skip_sk);
b1078ad0
JH		 3021}
3022
bdb6d971 3023static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3024 u16 len)
55ed8ca1 3025{
124f6e35
JH		 3026 struct mgmt_cp_unpair_device *cp = data;
3027 struct mgmt_rp_unpair_device rp;
fc64361a 3028 struct hci_conn_params *params;
3b0602cd 3029 struct mgmt_pending_cmd *cmd;
55ed8ca1 3030 struct hci_conn *conn;
ec182f03 3031 u8 addr_type;
55ed8ca1
JH		 3032 int err;
3033
a8a1d19e 3034 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 3035 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3036 rp.addr.type = cp->addr.type;
a8a1d19e 3037
4ee71b20 3038 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3039 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3040 MGMT_STATUS_INVALID_PARAMS,
3041 &rp, sizeof(rp));
4ee71b20 3042
118da70b 3043 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2a1afb5a
JH		 3044 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3045 MGMT_STATUS_INVALID_PARAMS,
3046 &rp, sizeof(rp));
118da70b 3047
4ee71b20
JH		 3048 hci_dev_lock(hdev);
3049
86a8cfc6 3050 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3051 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3052 MGMT_STATUS_NOT_POWERED, &rp,
3053 sizeof(rp));
86a8cfc6
JH		 3054 goto unlock;
3055 }
3056
e0b2b27e 3057 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 3058 /* If disconnection is requested, then look up the
3059 * connection. If the remote device is connected, it
3060 * will be later used to terminate the link.
3061 *
3062 * Setting it to NULL explicitly will cause no
3063 * termination of the link.
3064 */
3065 if (cp->disconnect)
3066 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3067 &cp->addr.bdaddr);
3068 else
3069 conn = NULL;
3070
124f6e35 3071 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
ec182f03
JH		 3072 if (err < 0) {
3073 err = mgmt_cmd_complete(sk, hdev->id,
3074 MGMT_OP_UNPAIR_DEVICE,
3075 MGMT_STATUS_NOT_PAIRED, &rp,
3076 sizeof(rp));
3077 goto unlock;
89cbb063
AA		 3078 }
3079
ec182f03 3080 goto done;
e0b2b27e 3081 }
b0dbfb46 3082
ec182f03
JH		 3083 /* LE address type */
3084 addr_type = le_addr_type(cp->addr.type);
3085
3086 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
3087
3088 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
55ed8ca1 3089 if (err < 0) {
2a1afb5a
JH		 3090 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3091 MGMT_STATUS_NOT_PAIRED, &rp,
3092 sizeof(rp));
55ed8ca1
JH		 3093 goto unlock;
3094 }
3095
ec182f03
JH		 3096 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type);
3097 if (!conn) {
3098 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
3099 goto done;
3100 }
3101
c81d555a
JH		 3102 /* Abort any ongoing SMP pairing */
3103 smp_cancel_pairing(conn);
3104
ec182f03
JH		 3105 /* Defer clearing up the connection parameters until closing to
3106 * give a chance of keeping them if a repairing happens.
3107 */
3108 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
3109
fc64361a
JH		 3110 /* Disable auto-connection parameters if present */
3111 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type);
3112 if (params) {
3113 if (params->explicit_connect)
3114 params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
3115 else
3116 params->auto_connect = HCI_AUTO_CONN_DISABLED;
3117 }
3118
ec182f03
JH		 3119 /* If disconnection is not requested, then clear the connection
3120 * variable so that the link is not terminated.
3121 */
3122 if (!cp->disconnect)
3123 conn = NULL;
3124
3125done:
89cbb063
AA		 3126 /* If the connection variable is set, then termination of the
3127 * link is requested.
3128 */
a8a1d19e 3129 if (!conn) {
2a1afb5a
JH		 3130 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
3131 &rp, sizeof(rp));
b1078ad0 3132 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 3133 goto unlock;
3134 }
55ed8ca1 3135
124f6e35 3136 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 3137 sizeof(*cp));
a8a1d19e
JH		 3138 if (!cmd) {
3139 err = -ENOMEM;
3140 goto unlock;
55ed8ca1
JH		 3141 }
3142
d8b7b1e4
JH		 3143 cmd->cmd_complete = addr_cmd_complete;
3144
89e0ccc8 3145 err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
a8a1d19e
JH		 3146 if (err < 0)
3147 mgmt_pending_remove(cmd);
3148
55ed8ca1 3149unlock:
09fd0de5 3150 hci_dev_unlock(hdev);
55ed8ca1
JH		 3151 return err;
3152}
3153
bdb6d971 3154static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3155 u16 len)
8962ee74 3156{
650f726d 3157 struct mgmt_cp_disconnect *cp = data;
06a63b19 3158 struct mgmt_rp_disconnect rp;
3b0602cd 3159 struct mgmt_pending_cmd *cmd;
8962ee74 3160 struct hci_conn *conn;
8962ee74
JH		 3161 int err;
3162
3163 BT_DBG("");
3164
06a63b19
JH		 3165 memset(&rp, 0, sizeof(rp));
3166 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3167 rp.addr.type = cp->addr.type;
3168
4ee71b20 3169 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3170 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3171 MGMT_STATUS_INVALID_PARAMS,
3172 &rp, sizeof(rp));
4ee71b20 3173
09fd0de5 3174 hci_dev_lock(hdev);
8962ee74
JH		 3175
3176 if (!test_bit(HCI_UP, &hdev->flags)) {
2a1afb5a
JH		 3177 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3178 MGMT_STATUS_NOT_POWERED, &rp,
3179 sizeof(rp));
8962ee74
JH		 3180 goto failed;
3181 }
3182
333ae95d 3183 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
2a1afb5a
JH		 3184 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3185 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 3186 goto failed;
3187 }
3188
591f47f3 3189 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 3190 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3191 &cp->addr.bdaddr);
88c3df13 3192 else
9d4c1cc1
JH		 3193 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
3194 le_addr_type(cp->addr.type));
365227e5 3195
f960727e 3196 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
2a1afb5a
JH		 3197 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3198 MGMT_STATUS_NOT_CONNECTED, &rp,
3199 sizeof(rp));
8962ee74
JH		 3200 goto failed;
3201 }
3202
2e58ef3e 3203 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 3204 if (!cmd) {
3205 err = -ENOMEM;
8962ee74 3206 goto failed;
366a0336 3207 }
8962ee74 3208
f5818c22
JH		 3209 cmd->cmd_complete = generic_cmd_complete;
3210
e3f2f92a 3211 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 3212 if (err < 0)
a664b5bc 3213 mgmt_pending_remove(cmd);
8962ee74
JH		 3214
3215failed:
09fd0de5 3216 hci_dev_unlock(hdev);
8962ee74
JH		 3217 return err;
3218}
3219
57c1477c 3220static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 3221{
3222 switch (link_type) {
3223 case LE_LINK:
48264f06
JH		 3224 switch (addr_type) {
3225 case ADDR_LE_DEV_PUBLIC:
591f47f3 3226 return BDADDR_LE_PUBLIC;
0ed09148 3227
48264f06 3228 default:
0ed09148 3229 /* Fallback to LE Random address type */
591f47f3 3230 return BDADDR_LE_RANDOM;
48264f06 3231 }
0ed09148 3232
4c659c39 3233 default:
0ed09148 3234 /* Fallback to BR/EDR type */
591f47f3 3235 return BDADDR_BREDR;
4c659c39
JH		 3236 }
3237}
3238
04124681
GP		 3239static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
3240 u16 data_len)
2784eb41 3241{
2784eb41 3242 struct mgmt_rp_get_connections *rp;
8035ded4 3243 struct hci_conn *c;
a38528f1 3244 size_t rp_len;
60fc5fb6
JH		 3245 int err;
3246 u16 i;
2784eb41
JH		 3247
3248 BT_DBG("");
3249
09fd0de5 3250 hci_dev_lock(hdev);
2784eb41 3251
5f97c1df 3252 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3253 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
3254 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3255 goto unlock;
3256 }
3257
60fc5fb6 3258 i = 0;
b644ba33
JH		 3259 list_for_each_entry(c, &hdev->conn_hash.list, list) {
3260 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 3261 i++;
2784eb41
JH		 3262 }
3263
60fc5fb6 3264 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 3265 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 3266 if (!rp) {
2784eb41
JH		 3267 err = -ENOMEM;
3268 goto unlock;
3269 }
3270
2784eb41 3271 i = 0;
4c659c39 3272 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 3273 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
3274 continue;
4c659c39 3275 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 3276 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 3277 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 3278 continue;
3279 i++;
3280 }
3281
eb55ef07 3282 rp->conn_count = cpu_to_le16(i);
60fc5fb6 3283
4c659c39
JH		 3284 /* Recalculate length in case of filtered SCO connections, etc */
3285 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 3286
2a1afb5a
JH		 3287 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
3288 rp_len);
2784eb41 3289
a38528f1 3290 kfree(rp);
5f97c1df
JH		 3291
3292unlock:
09fd0de5 3293 hci_dev_unlock(hdev);
2784eb41
JH		 3294 return err;
3295}
3296
bdb6d971 3297static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3298 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67 3299{
3b0602cd 3300 struct mgmt_pending_cmd *cmd;
96d97a67
WR		 3301 int err;
3302
2e58ef3e 3303 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 3304 sizeof(*cp));
96d97a67
WR		 3305 if (!cmd)
3306 return -ENOMEM;
3307
d8457698 3308 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 3309 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 3310 if (err < 0)
3311 mgmt_pending_remove(cmd);
3312
3313 return err;
3314}
3315
bdb6d971 3316static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3317 u16 len)
980e1a53 3318{
96d97a67 3319 struct hci_conn *conn;
650f726d 3320 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 3321 struct hci_cp_pin_code_reply reply;
3b0602cd 3322 struct mgmt_pending_cmd *cmd;
980e1a53
JH		 3323 int err;
3324
3325 BT_DBG("");
3326
09fd0de5 3327 hci_dev_lock(hdev);
980e1a53 3328
4b34ee78 3329 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3330 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3331 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 3332 goto failed;
3333 }
3334
d8457698 3335 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 3336 if (!conn) {
a69e8375
JH		 3337 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3338 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 3339 goto failed;
3340 }
3341
3342 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 3343 struct mgmt_cp_pin_code_neg_reply ncp;
3344
3345 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 3346
3347 BT_ERR("PIN code is not 16 bytes long");
3348
bdb6d971 3349 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 3350 if (err >= 0)
a69e8375
JH		 3351 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3352 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 3353
3354 goto failed;
3355 }
3356
00abfe44 3357 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 3358 if (!cmd) {
3359 err = -ENOMEM;
980e1a53 3360 goto failed;
366a0336 3361 }
980e1a53 3362
7776d1d8
JH		 3363 cmd->cmd_complete = addr_cmd_complete;
3364
d8457698 3365 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 3366 reply.pin_len = cp->pin_len;
24718ca5 3367 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 3368
3369 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3370 if (err < 0)
a664b5bc 3371 mgmt_pending_remove(cmd);
980e1a53
JH		 3372
3373failed:
09fd0de5 3374 hci_dev_unlock(hdev);
980e1a53
JH		 3375 return err;
3376}
3377
04124681
GP		 3378static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3379 u16 len)
17fa4b9d 3380{
650f726d 3381 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3382
3383 BT_DBG("");
3384
4ec86d4c 3385 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 3386 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3387 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
4ec86d4c 3388
09fd0de5 3389 hci_dev_lock(hdev);
17fa4b9d
JH		 3390
3391 hdev->io_capability = cp->io_capability;
3392
3393 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3394 hdev->io_capability);
17fa4b9d 3395
09fd0de5 3396 hci_dev_unlock(hdev);
17fa4b9d 3397
2a1afb5a
JH		 3398 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
3399 NULL, 0);
17fa4b9d
JH		 3400}
3401
3b0602cd 3402static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3403{
3404 struct hci_dev *hdev = conn->hdev;
3b0602cd 3405 struct mgmt_pending_cmd *cmd;
e9a416b5 3406
2e58ef3e 3407 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3408 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3409 continue;
3410
e9a416b5
JH		 3411 if (cmd->user_data != conn)
3412 continue;
3413
3414 return cmd;
3415 }
3416
3417 return NULL;
3418}
3419
3b0602cd 3420static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
e9a416b5
JH		 3421{
3422 struct mgmt_rp_pair_device rp;
3423 struct hci_conn *conn = cmd->user_data;
9df74653 3424 int err;
e9a416b5 3425
61b1a7fb
JH		 3426 bacpy(&rp.addr.bdaddr, &conn->dst);
3427 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3428
2a1afb5a
JH		 3429 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
3430 status, &rp, sizeof(rp));
e9a416b5
JH		 3431
3432 /* So we don't get further callbacks for this connection */
3433 conn->connect_cfm_cb = NULL;
3434 conn->security_cfm_cb = NULL;
3435 conn->disconn_cfm_cb = NULL;
3436
76a68ba0 3437 hci_conn_drop(conn);
89cbb063
AA		 3438
3439 /* The device is paired so there is no need to remove
3440 * its connection parameters anymore.
3441 */
3442 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
15013aeb
JH		 3443
3444 hci_conn_put(conn);
9df74653
JH		 3445
3446 return err;
e9a416b5
JH		 3447}
3448
f4a407be
JH		 3449void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3450{
3451 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3b0602cd 3452 struct mgmt_pending_cmd *cmd;
f4a407be
JH		 3453
3454 cmd = find_pairing(conn);
a511b35b 3455 if (cmd) {
04ab2749 3456 cmd->cmd_complete(cmd, status);
a511b35b
JH		 3457 mgmt_pending_remove(cmd);
3458 }
f4a407be
JH		 3459}
3460
e9a416b5
JH		 3461static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3462{
3b0602cd 3463 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 3464
3465 BT_DBG("status %u", status);
3466
3467 cmd = find_pairing(conn);
a511b35b 3468 if (!cmd) {
e9a416b5 3469 BT_DBG("Unable to find a pending command");
a511b35b
JH		 3470 return;
3471 }
3472
3473 cmd->cmd_complete(cmd, mgmt_status(status));
3474 mgmt_pending_remove(cmd);
e9a416b5
JH		 3475}
3476
f4a407be 3477static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739 3478{
3b0602cd 3479 struct mgmt_pending_cmd *cmd;
4c47d739
VA		 3480
3481 BT_DBG("status %u", status);
3482
3483 if (!status)
3484 return;
3485
3486 cmd = find_pairing(conn);
a511b35b 3487 if (!cmd) {
4c47d739 3488 BT_DBG("Unable to find a pending command");
a511b35b
JH		 3489 return;
3490 }
3491
3492 cmd->cmd_complete(cmd, mgmt_status(status));
3493 mgmt_pending_remove(cmd);
4c47d739
VA		 3494}
3495
bdb6d971 3496static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3497 u16 len)
e9a416b5 3498{
650f726d 3499 struct mgmt_cp_pair_device *cp = data;
1425acb7 3500 struct mgmt_rp_pair_device rp;
3b0602cd 3501 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 3502 u8 sec_level, auth_type;
3503 struct hci_conn *conn;
e9a416b5
JH		 3504 int err;
3505
3506 BT_DBG("");
3507
f950a30e
SJ		 3508 memset(&rp, 0, sizeof(rp));
3509 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3510 rp.addr.type = cp->addr.type;
3511
4ee71b20 3512 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3513 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3514 MGMT_STATUS_INVALID_PARAMS,
3515 &rp, sizeof(rp));
4ee71b20 3516
4ec86d4c 3517 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 3518 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3519 MGMT_STATUS_INVALID_PARAMS,
3520 &rp, sizeof(rp));
4ec86d4c 3521
09fd0de5 3522 hci_dev_lock(hdev);
e9a416b5 3523
5f97c1df 3524 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3525 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3526 MGMT_STATUS_NOT_POWERED, &rp,
3527 sizeof(rp));
5f97c1df
JH		 3528 goto unlock;
3529 }
3530
55e76b38
JH		 3531 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
3532 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3533 MGMT_STATUS_ALREADY_PAIRED, &rp,
3534 sizeof(rp));
3535 goto unlock;
3536 }
3537
c908df36 3538 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3539 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3540
6f77d8c7 3541 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3542 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3543 auth_type);
6f77d8c7 3544 } else {
85813a7e 3545 u8 addr_type = le_addr_type(cp->addr.type);
5157b8a5 3546 struct hci_conn_params *p;
6f77d8c7 3547
7c264b10
MH		 3548 /* When pairing a new device, it is expected to remember
3549 * this device for future connections. Adding the connection
3550 * parameter information ahead of time allows tracking
3551 * of the slave preferred values and will speed up any
3552 * further connection establishment.
3553 *
3554 * If connection parameters already exist, then they
3555 * will be kept and this function does nothing.
3556 */
5157b8a5
JP		 3557 p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3558
3559 if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
3560 p->auto_connect = HCI_AUTO_CONN_DISABLED;
7c264b10 3561
fa142220
JP		 3562 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
3563 addr_type, sec_level,
3564 HCI_LE_CONN_TIMEOUT,
3565 HCI_ROLE_MASTER);
6f77d8c7 3566 }
7a512d01 3567
30e76272 3568 if (IS_ERR(conn)) {
489dc48e
AK		 3569 int status;
3570
3571 if (PTR_ERR(conn) == -EBUSY)
3572 status = MGMT_STATUS_BUSY;
faa81030
LR		 3573 else if (PTR_ERR(conn) == -EOPNOTSUPP)
3574 status = MGMT_STATUS_NOT_SUPPORTED;
3575 else if (PTR_ERR(conn) == -ECONNREFUSED)
3576 status = MGMT_STATUS_REJECTED;
489dc48e
AK		 3577 else
3578 status = MGMT_STATUS_CONNECT_FAILED;
3579
2a1afb5a
JH		 3580 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3581 status, &rp, sizeof(rp));
e9a416b5
JH		 3582 goto unlock;
3583 }
3584
3585 if (conn->connect_cfm_cb) {
76a68ba0 3586 hci_conn_drop(conn);
2a1afb5a
JH		 3587 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3588 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3589 goto unlock;
3590 }
3591
2e58ef3e 3592 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3593 if (!cmd) {
3594 err = -ENOMEM;
76a68ba0 3595 hci_conn_drop(conn);
e9a416b5
JH		 3596 goto unlock;
3597 }
3598
04ab2749
JH		 3599 cmd->cmd_complete = pairing_complete;
3600
7a512d01 3601 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3602 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3603 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3604 conn->security_cfm_cb = pairing_complete_cb;
3605 conn->disconn_cfm_cb = pairing_complete_cb;
3606 } else {
3607 conn->connect_cfm_cb = le_pairing_complete_cb;
3608 conn->security_cfm_cb = le_pairing_complete_cb;
3609 conn->disconn_cfm_cb = le_pairing_complete_cb;
3610 }
7a512d01 3611
e9a416b5 3612 conn->io_capability = cp->io_cap;
f8aaf9b6 3613 cmd->user_data = hci_conn_get(conn);
e9a416b5 3614
6f78fd4b 3615 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
a511b35b
JH		 3616 hci_conn_security(conn, sec_level, auth_type, true)) {
3617 cmd->cmd_complete(cmd, 0);
3618 mgmt_pending_remove(cmd);
3619 }
e9a416b5
JH		 3620
3621 err = 0;
3622
3623unlock:
09fd0de5 3624 hci_dev_unlock(hdev);
e9a416b5
JH		 3625 return err;
3626}
3627
04124681
GP		 3628static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3629 u16 len)
28424707 3630{
0f4e68cf 3631 struct mgmt_addr_info *addr = data;
3b0602cd 3632 struct mgmt_pending_cmd *cmd;
28424707
JH		 3633 struct hci_conn *conn;
3634 int err;
3635
3636 BT_DBG("");
3637
28424707
JH		 3638 hci_dev_lock(hdev);
3639
5f97c1df 3640 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3641 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3642 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3643 goto unlock;
3644 }
3645
333ae95d 3646 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
28424707 3647 if (!cmd) {
a69e8375
JH		 3648 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3649 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3650 goto unlock;
3651 }
3652
3653 conn = cmd->user_data;
3654
3655 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
a69e8375
JH		 3656 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3657 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3658 goto unlock;
3659 }
3660
a511b35b
JH		 3661 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
3662 mgmt_pending_remove(cmd);
28424707 3663
2a1afb5a
JH		 3664 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
3665 addr, sizeof(*addr));
28424707
JH		 3666unlock:
3667 hci_dev_unlock(hdev);
28424707
JH		 3668 return err;
3669}
3670
bdb6d971 3671static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3672 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3673 u16 hci_op, __le32 passkey)
a5c29683 3674{
3b0602cd 3675 struct mgmt_pending_cmd *cmd;
0df4c185 3676 struct hci_conn *conn;
a5c29683
JH		 3677 int err;
3678
09fd0de5 3679 hci_dev_lock(hdev);
08ba5382 3680
4b34ee78 3681 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3682 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3683 MGMT_STATUS_NOT_POWERED, addr,
3684 sizeof(*addr));
0df4c185 3685 goto done;
a5c29683
JH		 3686 }
3687
1707c60e
JH		 3688 if (addr->type == BDADDR_BREDR)
3689 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3690 else
9d4c1cc1
JH		 3691 conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr,
3692 le_addr_type(addr->type));
272d90df
JH		 3693
3694 if (!conn) {
2a1afb5a
JH		 3695 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3696 MGMT_STATUS_NOT_CONNECTED, addr,
3697 sizeof(*addr));
272d90df
JH		 3698 goto done;
3699 }
47c15e2b 3700
1707c60e 3701 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3702 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3703 if (!err)
2a1afb5a
JH		 3704 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3705 MGMT_STATUS_SUCCESS, addr,
3706 sizeof(*addr));
5fe57d9e 3707 else
2a1afb5a
JH		 3708 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3709 MGMT_STATUS_FAILED, addr,
3710 sizeof(*addr));
47c15e2b 3711
47c15e2b
BG		 3712 goto done;
3713 }
3714
1707c60e 3715 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3716 if (!cmd) {
3717 err = -ENOMEM;
0df4c185 3718 goto done;
a5c29683
JH		 3719 }
3720
7776d1d8
JH		 3721 cmd->cmd_complete = addr_cmd_complete;
3722
0df4c185 3723 /* Continue with pairing via HCI */
604086b7
BG		 3724 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3725 struct hci_cp_user_passkey_reply cp;
3726
1707c60e 3727 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3728 cp.passkey = passkey;
3729 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3730 } else
1707c60e
JH		 3731 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3732 &addr->bdaddr);
604086b7 3733
a664b5bc
JH		 3734 if (err < 0)
3735 mgmt_pending_remove(cmd);
a5c29683 3736
0df4c185 3737done:
09fd0de5 3738 hci_dev_unlock(hdev);
a5c29683
JH		 3739 return err;
3740}
3741
afeb019d
JK		 3742static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3743 void *data, u16 len)
3744{
3745 struct mgmt_cp_pin_code_neg_reply *cp = data;
3746
3747 BT_DBG("");
3748
1707c60e 3749 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3750 MGMT_OP_PIN_CODE_NEG_REPLY,
3751 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3752}
3753
04124681
GP		 3754static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3755 u16 len)
0df4c185 3756{
650f726d 3757 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3758
3759 BT_DBG("");
3760
3761 if (len != sizeof(*cp))
a69e8375
JH		 3762 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
3763 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3764
1707c60e 3765 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3766 MGMT_OP_USER_CONFIRM_REPLY,
3767 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3768}
3769
bdb6d971 3770static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3771 void *data, u16 len)
0df4c185 3772{
c9c2659f 3773 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3774
3775 BT_DBG("");
3776
1707c60e 3777 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3778 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3779 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3780}
3781
04124681
GP		 3782static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3783 u16 len)
604086b7 3784{
650f726d 3785 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3786
3787 BT_DBG("");
3788
1707c60e 3789 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3790 MGMT_OP_USER_PASSKEY_REPLY,
3791 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3792}
3793
bdb6d971 3794static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3795 void *data, u16 len)
604086b7 3796{
650f726d 3797 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3798
3799 BT_DBG("");
3800
1707c60e 3801 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3802 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3803 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3804}
3805
13928971 3806static void update_name(struct hci_request *req)
2b4bf397 3807{
13928971 3808 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3809 struct hci_cp_write_local_name cp;
3810
13928971 3811 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3812
890ea898 3813 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3814}
3815
1904a853 3816static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
13928971
JH		 3817{
3818 struct mgmt_cp_set_local_name *cp;
3b0602cd 3819 struct mgmt_pending_cmd *cmd;
13928971
JH		 3820
3821 BT_DBG("status 0x%02x", status);
3822
3823 hci_dev_lock(hdev);
3824
333ae95d 3825 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 3826 if (!cmd)
3827 goto unlock;
3828
3829 cp = cmd->param;
3830
3831 if (status)
a69e8375
JH		 3832 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3833 mgmt_status(status));
13928971 3834 else
2a1afb5a
JH		 3835 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3836 cp, sizeof(*cp));
13928971
JH		 3837
3838 mgmt_pending_remove(cmd);
3839
3840unlock:
3841 hci_dev_unlock(hdev);
3842}
3843
bdb6d971 3844static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3845 u16 len)
b312b161 3846{
2b4bf397 3847 struct mgmt_cp_set_local_name *cp = data;
3b0602cd 3848 struct mgmt_pending_cmd *cmd;
890ea898 3849 struct hci_request req;
b312b161
JH		 3850 int err;
3851
3852 BT_DBG("");
3853
09fd0de5 3854 hci_dev_lock(hdev);
b312b161 3855
b3f2ca94
JH		 3856 /* If the old values are the same as the new ones just return a
3857 * direct command complete event.
3858 */
3859 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3860 !memcmp(hdev->short_name, cp->short_name,
3861 sizeof(hdev->short_name))) {
2a1afb5a
JH		 3862 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3863 data, len);
b3f2ca94
JH		 3864 goto failed;
3865 }
3866
2b4bf397 3867 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3868
b5235a65 3869 if (!hdev_is_powered(hdev)) {
2b4bf397 3870 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde 3871
2a1afb5a
JH		 3872 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3873 data, len);
28cc7bde
JH		 3874 if (err < 0)
3875 goto failed;
3876
f6b7712e
MH		 3877 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
3878 data, len, sk);
28cc7bde 3879
b5235a65
JH		 3880 goto failed;
3881 }
3882
28cc7bde 3883 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3884 if (!cmd) {
3885 err = -ENOMEM;
3886 goto failed;
3887 }
3888
13928971
JH		 3889 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3890
890ea898 3891 hci_req_init(&req, hdev);
3f985050
JH		 3892
3893 if (lmp_bredr_capable(hdev)) {
3894 update_name(&req);
3895 update_eir(&req);
3896 }
3897
7a5f4990
MH		 3898 /* The name is stored in the scan response data and so
3899 * no need to udpate the advertising data here.
3900 */
3f985050 3901 if (lmp_le_capable(hdev))
7a5f4990 3902 update_scan_rsp_data(&req);
3f985050 3903
13928971 3904 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3905 if (err < 0)
3906 mgmt_pending_remove(cmd);
3907
3908failed:
09fd0de5 3909 hci_dev_unlock(hdev);
b312b161
JH		 3910 return err;
3911}
3912
1b9441f8
JH		 3913static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3914 u16 opcode, struct sk_buff *skb)
3915{
3916 struct mgmt_rp_read_local_oob_data mgmt_rp;
3917 size_t rp_size = sizeof(mgmt_rp);
3918 struct mgmt_pending_cmd *cmd;
3919
3920 BT_DBG("%s status %u", hdev->name, status);
3921
3922 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3923 if (!cmd)
3924 return;
3925
3926 if (status || !skb) {
3927 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3928 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3929 goto remove;
3930 }
3931
3932 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3933
3934 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3935 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3936
3937 if (skb->len < sizeof(*rp)) {
3938 mgmt_cmd_status(cmd->sk, hdev->id,
3939 MGMT_OP_READ_LOCAL_OOB_DATA,
3940 MGMT_STATUS_FAILED);
3941 goto remove;
3942 }
3943
3944 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3945 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3946
3947 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3948 } else {
3949 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3950
3951 if (skb->len < sizeof(*rp)) {
3952 mgmt_cmd_status(cmd->sk, hdev->id,
3953 MGMT_OP_READ_LOCAL_OOB_DATA,
3954 MGMT_STATUS_FAILED);
3955 goto remove;
3956 }
3957
3958 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3959 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3960
3961 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3962 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3963 }
3964
3965 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3966 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3967
3968remove:
3969 mgmt_pending_remove(cmd);
3970}
3971
0f4e68cf 3972static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3973 void *data, u16 data_len)
c35938b2 3974{
3b0602cd 3975 struct mgmt_pending_cmd *cmd;
1b9441f8 3976 struct hci_request req;
c35938b2
SJ		 3977 int err;
3978
bdb6d971 3979 BT_DBG("%s", hdev->name);
c35938b2 3980
09fd0de5 3981 hci_dev_lock(hdev);
c35938b2 3982
4b34ee78 3983 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3984 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3985 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3986 goto unlock;
3987 }
3988
9a1a1996 3989 if (!lmp_ssp_capable(hdev)) {
a69e8375
JH		 3990 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3991 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3992 goto unlock;
3993 }
3994
333ae95d 3995 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
a69e8375
JH		 3996 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3997 MGMT_STATUS_BUSY);
c35938b2
SJ		 3998 goto unlock;
3999 }
4000
2e58ef3e 4001 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 4002 if (!cmd) {
4003 err = -ENOMEM;
4004 goto unlock;
4005 }
4006
1b9441f8
JH		 4007 hci_req_init(&req, hdev);
4008
710f11c0 4009 if (bredr_sc_enabled(hdev))
1b9441f8 4010 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4d2d2796 4011 else
1b9441f8 4012 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4d2d2796 4013
1b9441f8 4014 err = hci_req_run_skb(&req, read_local_oob_data_complete);
c35938b2
SJ		 4015 if (err < 0)
4016 mgmt_pending_remove(cmd);
4017
4018unlock:
09fd0de5 4019 hci_dev_unlock(hdev);
c35938b2
SJ		 4020 return err;
4021}
4022
bdb6d971 4023static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 4024 void *data, u16 len)
2763eda6 4025{
5d57e796 4026 struct mgmt_addr_info *addr = data;
2763eda6
SJ		 4027 int err;
4028
bdb6d971 4029 BT_DBG("%s ", hdev->name);
2763eda6 4030
5d57e796 4031 if (!bdaddr_type_is_valid(addr->type))
2a1afb5a
JH		 4032 return mgmt_cmd_complete(sk, hdev->id,
4033 MGMT_OP_ADD_REMOTE_OOB_DATA,
4034 MGMT_STATUS_INVALID_PARAMS,
4035 addr, sizeof(*addr));
5d57e796 4036
09fd0de5 4037 hci_dev_lock(hdev);
2763eda6 4038
ec109113
MH		 4039 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
4040 struct mgmt_cp_add_remote_oob_data *cp = data;
4041 u8 status;
bf1e3541 4042
c19a495c 4043 if (cp->addr.type != BDADDR_BREDR) {
2a1afb5a
JH		 4044 err = mgmt_cmd_complete(sk, hdev->id,
4045 MGMT_OP_ADD_REMOTE_OOB_DATA,
4046 MGMT_STATUS_INVALID_PARAMS,
4047 &cp->addr, sizeof(cp->addr));
c19a495c
JH		 4048 goto unlock;
4049 }
4050
ec109113 4051 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 4052 cp->addr.type, cp->hash,
4053 cp->rand, NULL, NULL);
ec109113
MH		 4054 if (err < 0)
4055 status = MGMT_STATUS_FAILED;
4056 else
4057 status = MGMT_STATUS_SUCCESS;
4058
2a1afb5a
JH		 4059 err = mgmt_cmd_complete(sk, hdev->id,
4060 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
4061 &cp->addr, sizeof(cp->addr));
ec109113
MH		 4062 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
4063 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
41bcfd50 4064 u8 *rand192, *hash192, *rand256, *hash256;
ec109113
MH		 4065 u8 status;
4066
86df9200 4067 if (bdaddr_type_is_le(cp->addr.type)) {
d25b78e2
JH		 4068 /* Enforce zero-valued 192-bit parameters as
4069 * long as legacy SMP OOB isn't implemented.
4070 */
4071 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
4072 memcmp(cp->hash192, ZERO_KEY, 16)) {
2a1afb5a
JH		 4073 err = mgmt_cmd_complete(sk, hdev->id,
4074 MGMT_OP_ADD_REMOTE_OOB_DATA,
4075 MGMT_STATUS_INVALID_PARAMS,
4076 addr, sizeof(*addr));
d25b78e2
JH		 4077 goto unlock;
4078 }
4079
86df9200
JH		 4080 rand192 = NULL;
4081 hash192 = NULL;
4082 } else {
41bcfd50
MH		 4083 /* In case one of the P-192 values is set to zero,
4084 * then just disable OOB data for P-192.
4085 */
4086 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
4087 !memcmp(cp->hash192, ZERO_KEY, 16)) {
4088 rand192 = NULL;
4089 hash192 = NULL;
4090 } else {
4091 rand192 = cp->rand192;
4092 hash192 = cp->hash192;
4093 }
4094 }
4095
4096 /* In case one of the P-256 values is set to zero, then just
4097 * disable OOB data for P-256.
4098 */
4099 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
4100 !memcmp(cp->hash256, ZERO_KEY, 16)) {
4101 rand256 = NULL;
4102 hash256 = NULL;
4103 } else {
4104 rand256 = cp->rand256;
4105 hash256 = cp->hash256;
86df9200
JH		 4106 }
4107
81328d5c 4108 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200 4109 cp->addr.type, hash192, rand192,
41bcfd50 4110 hash256, rand256);
ec109113
MH		 4111 if (err < 0)
4112 status = MGMT_STATUS_FAILED;
4113 else
4114 status = MGMT_STATUS_SUCCESS;
4115
2a1afb5a
JH		 4116 err = mgmt_cmd_complete(sk, hdev->id,
4117 MGMT_OP_ADD_REMOTE_OOB_DATA,
4118 status, &cp->addr, sizeof(cp->addr));
ec109113
MH		 4119 } else {
4120 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
a69e8375
JH		 4121 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
4122 MGMT_STATUS_INVALID_PARAMS);
ec109113 4123 }
2763eda6 4124
c19a495c 4125unlock:
09fd0de5 4126 hci_dev_unlock(hdev);
2763eda6
SJ		 4127 return err;
4128}
4129
bdb6d971 4130static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 4131 void *data, u16 len)
2763eda6 4132{
650f726d 4133 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 4134 u8 status;
2763eda6
SJ		 4135 int err;
4136
bdb6d971 4137 BT_DBG("%s", hdev->name);
2763eda6 4138
c19a495c 4139 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 4140 return mgmt_cmd_complete(sk, hdev->id,
4141 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4142 MGMT_STATUS_INVALID_PARAMS,
4143 &cp->addr, sizeof(cp->addr));
c19a495c 4144
09fd0de5 4145 hci_dev_lock(hdev);
2763eda6 4146
eedbd581
JH		 4147 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4148 hci_remote_oob_data_clear(hdev);
4149 status = MGMT_STATUS_SUCCESS;
4150 goto done;
4151 }
4152
6928a924 4153 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 4154 if (err < 0)
bf1e3541 4155 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 4156 else
a6785be2 4157 status = MGMT_STATUS_SUCCESS;
bf1e3541 4158
eedbd581 4159done:
2a1afb5a
JH		 4160 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4161 status, &cp->addr, sizeof(cp->addr));
2763eda6 4162
09fd0de5 4163 hci_dev_unlock(hdev);
2763eda6
SJ		 4164 return err;
4165}
4166
812abb13 4167static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
41dc2bd6 4168{
8019044d 4169 struct hci_dev *hdev = req->hdev;
812abb13 4170 struct hci_cp_inquiry cp;
8019044d
MH		 4171 /* General inquiry access code (GIAC) */
4172 u8 lap[3] = { 0x33, 0x8b, 0x9e };
812abb13
JP		 4173
4174 *status = mgmt_bredr_support(hdev);
4175 if (*status)
4176 return false;
4177
4178 if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
4179 *status = MGMT_STATUS_BUSY;
4180 return false;
4181 }
4182
4183 hci_inquiry_cache_flush(hdev);
4184
4185 memset(&cp, 0, sizeof(cp));
4186 memcpy(&cp.lap, lap, sizeof(cp.lap));
4187 cp.length = DISCOV_BREDR_INQUIRY_LEN;
4188
4189 hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
4190
4191 return true;
4192}
4193
4194static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
4195{
4196 struct hci_dev *hdev = req->hdev;
4197 struct hci_cp_le_set_scan_param param_cp;
4198 struct hci_cp_le_set_scan_enable enable_cp;
8019044d 4199 u8 own_addr_type;
41dc2bd6
AG		 4200 int err;
4201
812abb13
JP		 4202 *status = mgmt_le_support(hdev);
4203 if (*status)
4204 return false;
41dc2bd6 4205
812abb13
JP		 4206 if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
4207 /* Don't let discovery abort an outgoing connection attempt
4208 * that's using directed advertising.
4209 */
e7d9ab73 4210 if (hci_lookup_le_connect(hdev)) {
812abb13 4211 *status = MGMT_STATUS_REJECTED;
8019044d
MH		 4212 return false;
4213 }
41dc2bd6 4214
9d5fc2f2 4215 cancel_adv_timeout(hdev);
812abb13
JP		 4216 disable_advertising(req);
4217 }
41dc2bd6 4218
812abb13
JP		 4219 /* If controller is scanning, it means the background scanning is
4220 * running. Thus, we should temporarily stop it in order to set the
4221 * discovery scanning parameters.
4222 */
4223 if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
4224 hci_req_add_le_scan_disable(req);
41dc2bd6 4225
812abb13
JP		 4226 /* All active scans will be done with either a resolvable private
4227 * address (when privacy feature has been enabled) or non-resolvable
4228 * private address.
4229 */
4230 err = hci_update_random_address(req, true, &own_addr_type);
4231 if (err < 0) {
4232 *status = MGMT_STATUS_FAILED;
4233 return false;
4234 }
8019044d 4235
812abb13
JP		 4236 memset(&param_cp, 0, sizeof(param_cp));
4237 param_cp.type = LE_SCAN_ACTIVE;
4238 param_cp.interval = cpu_to_le16(interval);
4239 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
4240 param_cp.own_address_type = own_addr_type;
8019044d 4241
812abb13
JP		 4242 hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
4243 &param_cp);
8019044d 4244
812abb13
JP		 4245 memset(&enable_cp, 0, sizeof(enable_cp));
4246 enable_cp.enable = LE_SCAN_ENABLE;
4247 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
8019044d 4248
812abb13
JP		 4249 hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
4250 &enable_cp);
4251
4252 return true;
4253}
8019044d 4254
812abb13
JP		 4255static bool trigger_discovery(struct hci_request *req, u8 *status)
4256{
4257 struct hci_dev *hdev = req->hdev;
8019044d 4258
812abb13
JP		 4259 switch (hdev->discovery.type) {
4260 case DISCOV_TYPE_BREDR:
4261 if (!trigger_bredr_inquiry(req, status))
4262 return false;
4263 break;
4264
4265 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4266 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
4267 &hdev->quirks)) {
4268 /* During simultaneous discovery, we double LE scan
4269 * interval. We must leave some time for the controller
4270 * to do BR/EDR inquiry.
4271 */
4272 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
4273 status))
4274 return false;
4275
4276 if (!trigger_bredr_inquiry(req, status))
4277 return false;
4278
4279 return true;
4280 }
4281
812abb13
JP		 4282 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4283 *status = MGMT_STATUS_NOT_SUPPORTED;
8019044d
MH		 4284 return false;
4285 }
812abb13 4286 /* fall through */
8019044d 4287
812abb13
JP		 4288 case DISCOV_TYPE_LE:
4289 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
4290 return false;
8019044d
MH		 4291 break;
4292
4293 default:
4294 *status = MGMT_STATUS_INVALID_PARAMS;
4295 return false;
4296 }
4297
4298 return true;
41dc2bd6
AG		 4299}
4300
1904a853
MH		 4301static void start_discovery_complete(struct hci_dev *hdev, u8 status,
4302 u16 opcode)
7c307720 4303{
3b0602cd 4304 struct mgmt_pending_cmd *cmd;
11e6e25d 4305 unsigned long timeout;
ae55f598 4306
7c307720
AG		 4307 BT_DBG("status %d", status);
4308
11e6e25d 4309 hci_dev_lock(hdev);
41dc2bd6 4310
333ae95d 4311 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
66ea9427 4312 if (!cmd)
333ae95d 4313 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
66ea9427 4314
11e6e25d 4315 if (cmd) {
2922a94f 4316 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d
MH		 4317 mgmt_pending_remove(cmd);
4318 }
7c307720
AG		 4319
4320 if (status) {
11e6e25d
MH		 4321 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4322 goto unlock;
7c307720
AG		 4323 }
4324
7c307720 4325 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
7c307720 4326
2d28cfe7
JP		 4327 /* If the scan involves LE scan, pick proper timeout to schedule
4328 * hdev->le_scan_disable that will stop it.
4329 */
7c307720
AG		 4330 switch (hdev->discovery.type) {
4331 case DISCOV_TYPE_LE:
3d5a76f0 4332 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720 4333 break;
7c307720 4334 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4335 /* When running simultaneous discovery, the LE scanning time
4336 * should occupy the whole discovery time sine BR/EDR inquiry
4337 * and LE scanning are scheduled by the controller.
4338 *
4339 * For interleaving discovery in comparison, BR/EDR inquiry
4340 * and LE scanning are done sequentially with separate
4341 * timeouts.
4342 */
4343 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
4344 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
4345 else
4346 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720 4347 break;
7c307720 4348 case DISCOV_TYPE_BREDR:
11e6e25d 4349 timeout = 0;
7c307720 4350 break;
7c307720
AG		 4351 default:
4352 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
11e6e25d
MH		 4353 timeout = 0;
4354 break;
7c307720 4355 }
ae55f598 4356
2d28cfe7
JP		 4357 if (timeout) {
4358 /* When service discovery is used and the controller has
4359 * a strict duplicate filter, it is important to remember
4360 * the start and duration of the scan. This is required
4361 * for restarting scanning during the discovery phase.
4362 */
4363 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
4364 &hdev->quirks) &&
82f8b651 4365 hdev->discovery.result_filtering) {
2d28cfe7
JP		 4366 hdev->discovery.scan_start = jiffies;
4367 hdev->discovery.scan_duration = timeout;
4368 }
4369
11e6e25d
MH		 4370 queue_delayed_work(hdev->workqueue,
4371 &hdev->le_scan_disable, timeout);
2d28cfe7 4372 }
ae55f598 4373
11e6e25d
MH		 4374unlock:
4375 hci_dev_unlock(hdev);
7c307720
AG		 4376}
4377
bdb6d971 4378static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 4379 void *data, u16 len)
14a53664 4380{
650f726d 4381 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 4382 struct mgmt_pending_cmd *cmd;
7c307720 4383 struct hci_request req;
8019044d 4384 u8 status;
14a53664
JH		 4385 int err;
4386
bdb6d971 4387 BT_DBG("%s", hdev->name);
14a53664 4388
09fd0de5 4389 hci_dev_lock(hdev);
14a53664 4390
4b34ee78 4391 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4392 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4393 MGMT_STATUS_NOT_POWERED,
4394 &cp->type, sizeof(cp->type));
bd2d1334
JH		 4395 goto failed;
4396 }
4397
f5a969f2 4398 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4399 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4400 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4401 MGMT_STATUS_BUSY, &cp->type,
4402 sizeof(cp->type));
642be6c7
AG		 4403 goto failed;
4404 }
4405
2922a94f 4406 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
14a53664
JH		 4407 if (!cmd) {
4408 err = -ENOMEM;
4409 goto failed;
4410 }
4411
2922a94f
JH		 4412 cmd->cmd_complete = generic_cmd_complete;
4413
22078800
MH		 4414 /* Clear the discovery filter first to free any previously
4415 * allocated memory for the UUID list.
4416 */
4417 hci_discovery_filter_clear(hdev);
4418
4aab14e5 4419 hdev->discovery.type = cp->type;
da25cf6a 4420 hdev->discovery.report_invalid_rssi = false;
4aab14e5 4421
7c307720
AG		 4422 hci_req_init(&req, hdev);
4423
8019044d 4424 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4425 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4426 status, &cp->type, sizeof(cp->type));
04106755
JH		 4427 mgmt_pending_remove(cmd);
4428 goto failed;
f39799f5 4429 }
04106755 4430
7c307720 4431 err = hci_req_run(&req, start_discovery_complete);
f5a969f2 4432 if (err < 0) {
14a53664 4433 mgmt_pending_remove(cmd);
f5a969f2
MH		 4434 goto failed;
4435 }
7c307720 4436
f5a969f2 4437 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
7c307720 4438
14a53664 4439failed:
09fd0de5 4440 hci_dev_unlock(hdev);
14a53664
JH		 4441 return err;
4442}
f39799f5 4443
3b0602cd
JH		 4444static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
4445 u8 status)
2922a94f 4446{
2a1afb5a
JH		 4447 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
4448 cmd->param, 1);
2922a94f 4449}
04106755 4450
66ea9427
JP		 4451static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
4452 void *data, u16 len)
4453{
4454 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 4455 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 4456 struct hci_request req;
4457 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
4458 u16 uuid_count, expected_len;
4459 u8 status;
4460 int err;
04106755 4461
66ea9427 4462 BT_DBG("%s", hdev->name);
e8bb6b97 4463
66ea9427 4464 hci_dev_lock(hdev);
7c307720 4465
66ea9427 4466 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4467 err = mgmt_cmd_complete(sk, hdev->id,
4468 MGMT_OP_START_SERVICE_DISCOVERY,
4469 MGMT_STATUS_NOT_POWERED,
4470 &cp->type, sizeof(cp->type));
66ea9427
JP		 4471 goto failed;
4472 }
7c307720 4473
66ea9427 4474 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4475 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4476 err = mgmt_cmd_complete(sk, hdev->id,
4477 MGMT_OP_START_SERVICE_DISCOVERY,
4478 MGMT_STATUS_BUSY, &cp->type,
4479 sizeof(cp->type));
66ea9427
JP		 4480 goto failed;
4481 }
d9483943 4482
66ea9427
JP		 4483 uuid_count = __le16_to_cpu(cp->uuid_count);
4484 if (uuid_count > max_uuid_count) {
4485 BT_ERR("service_discovery: too big uuid_count value %u",
4486 uuid_count);
2a1afb5a
JH		 4487 err = mgmt_cmd_complete(sk, hdev->id,
4488 MGMT_OP_START_SERVICE_DISCOVERY,
4489 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4490 sizeof(cp->type));
66ea9427
JP		 4491 goto failed;
4492 }
4493
4494 expected_len = sizeof(*cp) + uuid_count * 16;
4495 if (expected_len != len) {
4496 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
4497 expected_len, len);
2a1afb5a
JH		 4498 err = mgmt_cmd_complete(sk, hdev->id,
4499 MGMT_OP_START_SERVICE_DISCOVERY,
4500 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4501 sizeof(cp->type));
66ea9427
JP		 4502 goto failed;
4503 }
4504
4505 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 4506 hdev, data, len);
66ea9427
JP		 4507 if (!cmd) {
4508 err = -ENOMEM;
4509 goto failed;
4510 }
4511
2922a94f
JH		 4512 cmd->cmd_complete = service_discovery_cmd_complete;
4513
22078800
MH		 4514 /* Clear the discovery filter first to free any previously
4515 * allocated memory for the UUID list.
4516 */
4517 hci_discovery_filter_clear(hdev);
4518
82f8b651 4519 hdev->discovery.result_filtering = true;
66ea9427
JP		 4520 hdev->discovery.type = cp->type;
4521 hdev->discovery.rssi = cp->rssi;
4522 hdev->discovery.uuid_count = uuid_count;
4523
4524 if (uuid_count > 0) {
4525 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
4526 GFP_KERNEL);
4527 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 4528 err = mgmt_cmd_complete(sk, hdev->id,
4529 MGMT_OP_START_SERVICE_DISCOVERY,
4530 MGMT_STATUS_FAILED,
4531 &cp->type, sizeof(cp->type));
d9483943
JH		 4532 mgmt_pending_remove(cmd);
4533 goto failed;
4534 }
66ea9427 4535 }
d9483943 4536
66ea9427 4537 hci_req_init(&req, hdev);
5e0452c0 4538
66ea9427 4539 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4540 err = mgmt_cmd_complete(sk, hdev->id,
4541 MGMT_OP_START_SERVICE_DISCOVERY,
4542 status, &cp->type, sizeof(cp->type));
04106755
JH		 4543 mgmt_pending_remove(cmd);
4544 goto failed;
f39799f5 4545 }
3fd24153 4546
7c307720 4547 err = hci_req_run(&req, start_discovery_complete);
66ea9427 4548 if (err < 0) {
14a53664 4549 mgmt_pending_remove(cmd);
66ea9427
JP		 4550 goto failed;
4551 }
4552
4553 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 4554
4555failed:
09fd0de5 4556 hci_dev_unlock(hdev);
14a53664
JH		 4557 return err;
4558}
4559
1904a853 4560static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1183fdca 4561{
3b0602cd 4562 struct mgmt_pending_cmd *cmd;
1183fdca 4563
0e05bba6
AG		 4564 BT_DBG("status %d", status);
4565
4566 hci_dev_lock(hdev);
4567
333ae95d 4568 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 4569 if (cmd) {
2922a94f 4570 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 4571 mgmt_pending_remove(cmd);
0e05bba6
AG		 4572 }
4573
11e6e25d
MH		 4574 if (!status)
4575 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
0e05bba6 4576
0e05bba6
AG		 4577 hci_dev_unlock(hdev);
4578}
4579
bdb6d971 4580static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4581 u16 len)
14a53664 4582{
d930650b 4583 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 4584 struct mgmt_pending_cmd *cmd;
0e05bba6 4585 struct hci_request req;
14a53664
JH		 4586 int err;
4587
bdb6d971 4588 BT_DBG("%s", hdev->name);
14a53664 4589
09fd0de5 4590 hci_dev_lock(hdev);
14a53664 4591
30dc78e1 4592 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4593 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4594 MGMT_STATUS_REJECTED, &mgmt_cp->type,
4595 sizeof(mgmt_cp->type));
d930650b
JH		 4596 goto unlock;
4597 }
4598
4599 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 4600 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4601 MGMT_STATUS_INVALID_PARAMS,
4602 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 4603 goto unlock;
ff9ef578
JH		 4604 }
4605
2922a94f 4606 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 4607 if (!cmd) {
4608 err = -ENOMEM;
30dc78e1
JH		 4609 goto unlock;
4610 }
4611
2922a94f
JH		 4612 cmd->cmd_complete = generic_cmd_complete;
4613
0e05bba6
AG		 4614 hci_req_init(&req, hdev);
4615
21a60d30 4616 hci_stop_discovery(&req);
e0d9727e 4617
21a60d30
JH		 4618 err = hci_req_run(&req, stop_discovery_complete);
4619 if (!err) {
4620 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 4621 goto unlock;
14a53664
JH		 4622 }
4623
21a60d30
JH		 4624 mgmt_pending_remove(cmd);
4625
4626 /* If no HCI commands were sent we're done */
4627 if (err == -ENODATA) {
2a1afb5a
JH		 4628 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
4629 &mgmt_cp->type, sizeof(mgmt_cp->type));
21a60d30
JH		 4630 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4631 }
14a53664 4632
30dc78e1 4633unlock:
09fd0de5 4634 hci_dev_unlock(hdev);
14a53664
JH		 4635 return err;
4636}
4637
bdb6d971 4638static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4639 u16 len)
561aafbc 4640{
650f726d 4641 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4642 struct inquiry_entry *e;
561aafbc
JH		 4643 int err;
4644
bdb6d971 4645 BT_DBG("%s", hdev->name);
561aafbc 4646
561aafbc
JH		 4647 hci_dev_lock(hdev);
4648
30dc78e1 4649 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4650 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4651 MGMT_STATUS_FAILED, &cp->addr,
4652 sizeof(cp->addr));
30dc78e1
JH		 4653 goto failed;
4654 }
4655
a198e7b1 4656 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4657 if (!e) {
2a1afb5a
JH		 4658 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4659 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4660 sizeof(cp->addr));
561aafbc
JH		 4661 goto failed;
4662 }
4663
4664 if (cp->name_known) {
4665 e->name_state = NAME_KNOWN;
4666 list_del(&e->list);
4667 } else {
4668 e->name_state = NAME_NEEDED;
a3d4e20a 4669 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4670 }
4671
2a1afb5a
JH		 4672 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
4673 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 4674
4675failed:
4676 hci_dev_unlock(hdev);
561aafbc
JH		 4677 return err;
4678}
4679
bdb6d971 4680static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4681 u16 len)
7fbec224 4682{
650f726d 4683 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4684 u8 status;
7fbec224
AJ		 4685 int err;
4686
bdb6d971 4687 BT_DBG("%s", hdev->name);
7fbec224 4688
4ee71b20 4689 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4690 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4691 MGMT_STATUS_INVALID_PARAMS,
4692 &cp->addr, sizeof(cp->addr));
4ee71b20 4693
09fd0de5 4694 hci_dev_lock(hdev);
5e762444 4695
dcc36c16
JH		 4696 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4697 cp->addr.type);
2a8357f2 4698 if (err < 0) {
f0eeea8b 4699 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4700 goto done;
4701 }
4702
4703 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4704 sk);
4705 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4706
2a8357f2 4707done:
2a1afb5a
JH		 4708 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
4709 &cp->addr, sizeof(cp->addr));
5e762444 4710
09fd0de5 4711 hci_dev_unlock(hdev);
7fbec224
AJ		 4712
4713 return err;
4714}
4715
bdb6d971 4716static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4717 u16 len)
7fbec224 4718{
650f726d 4719 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4720 u8 status;
7fbec224
AJ		 4721 int err;
4722
bdb6d971 4723 BT_DBG("%s", hdev->name);
7fbec224 4724
4ee71b20 4725 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4726 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4727 MGMT_STATUS_INVALID_PARAMS,
4728 &cp->addr, sizeof(cp->addr));
4ee71b20 4729
09fd0de5 4730 hci_dev_lock(hdev);
5e762444 4731
dcc36c16
JH		 4732 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4733 cp->addr.type);
2a8357f2 4734 if (err < 0) {
f0eeea8b 4735 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4736 goto done;
4737 }
4738
4739 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4740 sk);
4741 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4742
2a8357f2 4743done:
2a1afb5a
JH		 4744 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
4745 &cp->addr, sizeof(cp->addr));
5e762444 4746
09fd0de5 4747 hci_dev_unlock(hdev);
7fbec224
AJ		 4748
4749 return err;
4750}
4751
cdbaccca
MH		 4752static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4753 u16 len)
4754{
4755 struct mgmt_cp_set_device_id *cp = data;
890ea898 4756 struct hci_request req;
cdbaccca 4757 int err;
c72d4b8a 4758 __u16 source;
cdbaccca
MH		 4759
4760 BT_DBG("%s", hdev->name);
4761
c72d4b8a
SJ		 4762 source = __le16_to_cpu(cp->source);
4763
4764 if (source > 0x0002)
a69e8375
JH		 4765 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4766 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 4767
cdbaccca
MH		 4768 hci_dev_lock(hdev);
4769
c72d4b8a 4770 hdev->devid_source = source;
cdbaccca
MH		 4771 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4772 hdev->devid_product = __le16_to_cpu(cp->product);
4773 hdev->devid_version = __le16_to_cpu(cp->version);
4774
2a1afb5a
JH		 4775 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
4776 NULL, 0);
cdbaccca 4777
890ea898
JH		 4778 hci_req_init(&req, hdev);
4779 update_eir(&req);
4780 hci_req_run(&req, NULL);
cdbaccca
MH		 4781
4782 hci_dev_unlock(hdev);
4783
4784 return err;
4785}
4786
24b4f38f
AU		 4787static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
4788 u16 opcode)
4789{
4790 BT_DBG("status %d", status);
4791}
4792
1904a853
MH		 4793static void set_advertising_complete(struct hci_dev *hdev, u8 status,
4794 u16 opcode)
4375f103
JH		 4795{
4796 struct cmd_lookup match = { NULL, hdev };
24b4f38f 4797 struct hci_request req;
7816b820
FG		 4798 u8 instance;
4799 struct adv_info *adv_instance;
4800 int err;
4375f103 4801
3ad67582
JK		 4802 hci_dev_lock(hdev);
4803
4375f103
JH		 4804 if (status) {
4805 u8 mgmt_err = mgmt_status(status);
4806
4807 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4808 cmd_status_rsp, &mgmt_err);
3ad67582 4809 goto unlock;
4375f103
JH		 4810 }
4811
d7a5a11d 4812 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 4813 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 4814 else
a358dc11 4815 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 4816
4375f103
JH		 4817 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4818 &match);
4819
4820 new_settings(hdev, match.sk);
4821
4822 if (match.sk)
4823 sock_put(match.sk);
3ad67582 4824
24b4f38f 4825 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 4826 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 4827 */
4828 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820
FG		 4829 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) ||
4830 list_empty(&hdev->adv_instances))
24b4f38f
AU		 4831 goto unlock;
4832
7816b820
FG		 4833 instance = hdev->cur_adv_instance;
4834 if (!instance) {
4835 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
4836 struct adv_info, list);
4837 if (!adv_instance)
4838 goto unlock;
4839
4840 instance = adv_instance->instance;
4841 }
4842
24b4f38f
AU		 4843 hci_req_init(&req, hdev);
4844
7816b820
FG		 4845 err = schedule_adv_instance(&req, instance, true);
4846
4847 if (!err)
4848 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 4849
7816b820 4850 if (err)
24b4f38f
AU		 4851 BT_ERR("Failed to re-configure advertising");
4852
3ad67582
JK		 4853unlock:
4854 hci_dev_unlock(hdev);
4375f103
JH		 4855}
4856
21b5187f
MH		 4857static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4858 u16 len)
4375f103
JH		 4859{
4860 struct mgmt_mode *cp = data;
3b0602cd 4861 struct mgmt_pending_cmd *cmd;
4375f103 4862 struct hci_request req;
cc91cb04 4863 u8 val, status;
4375f103
JH		 4864 int err;
4865
4866 BT_DBG("request for %s", hdev->name);
4867
e6fe7986
JH		 4868 status = mgmt_le_support(hdev);
4869 if (status)
a69e8375
JH		 4870 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4871 status);
4375f103 4872
cc91cb04 4873 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4874 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4875 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 4876
4877 hci_dev_lock(hdev);
4878
4879 val = !!cp->val;
4375f103 4880
f74ca9b8
JH		 4881 /* The following conditions are ones which mean that we should
4882 * not do any HCI communication but directly send a mgmt
4883 * response to user space (after toggling the flag if
4884 * necessary).
4885 */
cc91cb04 4886 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 4887 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
4888 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 4889 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 4890 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 4891 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 4892 bool changed;
4375f103 4893
cc91cb04 4894 if (cp->val) {
238be788 4895 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 4896 if (cp->val == 0x02)
a1536da2 4897 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4898 else
a358dc11 4899 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4900 } else {
a69d8927 4901 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 4902 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 4903 }
4904
4905 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4906 if (err < 0)
4907 goto unlock;
4908
4909 if (changed)
4910 err = new_settings(hdev, sk);
4911
4912 goto unlock;
4913 }
4914
333ae95d
JH		 4915 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4916 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 4917 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4918 MGMT_STATUS_BUSY);
4375f103
JH		 4919 goto unlock;
4920 }
4921
4922 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4923 if (!cmd) {
4924 err = -ENOMEM;
4925 goto unlock;
4926 }
4927
4928 hci_req_init(&req, hdev);
4929
cc91cb04 4930 if (cp->val == 0x02)
a1536da2 4931 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4932 else
a358dc11 4933 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4934
7816b820
FG		 4935 cancel_adv_timeout(hdev);
4936
24b4f38f 4937 if (val) {
7816b820
FG		 4938 /* Switch to instance "0" for the Set Advertising setting.
4939 * We cannot use update_[adv|scan_rsp]_data() here as the
4940 * HCI_ADVERTISING flag is not yet set.
4941 */
efae002c
FG		 4942 update_inst_adv_data(&req, 0x00);
4943 update_inst_scan_rsp_data(&req, 0x00);
bba3aa55 4944 enable_advertising(&req);
24b4f38f 4945 } else {
bba3aa55 4946 disable_advertising(&req);
24b4f38f 4947 }
4375f103
JH		 4948
4949 err = hci_req_run(&req, set_advertising_complete);
4950 if (err < 0)
4951 mgmt_pending_remove(cmd);
4952
4953unlock:
4954 hci_dev_unlock(hdev);
4955 return err;
4956}
4957
d13eafce
MH		 4958static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4959 void *data, u16 len)
4960{
4961 struct mgmt_cp_set_static_address *cp = data;
4962 int err;
4963
4964 BT_DBG("%s", hdev->name);
4965
62af4443 4966 if (!lmp_le_capable(hdev))
a69e8375
JH		 4967 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4968 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4969
4970 if (hdev_is_powered(hdev))
a69e8375
JH		 4971 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4972 MGMT_STATUS_REJECTED);
d13eafce
MH		 4973
4974 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4975 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 4976 return mgmt_cmd_status(sk, hdev->id,
4977 MGMT_OP_SET_STATIC_ADDRESS,
4978 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4979
4980 /* Two most significant bits shall be set */
4981 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 4982 return mgmt_cmd_status(sk, hdev->id,
4983 MGMT_OP_SET_STATIC_ADDRESS,
4984 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4985 }
4986
4987 hci_dev_lock(hdev);
4988
4989 bacpy(&hdev->static_addr, &cp->bdaddr);
4990
93690c22
MH		 4991 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
4992 if (err < 0)
4993 goto unlock;
4994
4995 err = new_settings(hdev, sk);
d13eafce 4996
93690c22 4997unlock:
d13eafce 4998 hci_dev_unlock(hdev);
d13eafce
MH		 4999 return err;
5000}
5001
14b49b9a
MH		 5002static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
5003 void *data, u16 len)
5004{
5005 struct mgmt_cp_set_scan_params *cp = data;
5006 __u16 interval, window;
5007 int err;
5008
5009 BT_DBG("%s", hdev->name);
5010
5011 if (!lmp_le_capable(hdev))
a69e8375
JH		 5012 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5013 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 5014
5015 interval = __le16_to_cpu(cp->interval);
5016
5017 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 5018 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5019 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 5020
5021 window = __le16_to_cpu(cp->window);
5022
5023 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 5024 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5025 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 5026
899e1075 5027 if (window > interval)
a69e8375
JH		 5028 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5029 MGMT_STATUS_INVALID_PARAMS);
899e1075 5030
14b49b9a
MH		 5031 hci_dev_lock(hdev);
5032
5033 hdev->le_scan_interval = interval;
5034 hdev->le_scan_window = window;
5035
2a1afb5a
JH		 5036 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
5037 NULL, 0);
14b49b9a 5038
dd2ef8e2
AG		 5039 /* If background scan is running, restart it so new parameters are
5040 * loaded.
5041 */
d7a5a11d 5042 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 5043 hdev->discovery.state == DISCOVERY_STOPPED) {
5044 struct hci_request req;
5045
5046 hci_req_init(&req, hdev);
5047
5048 hci_req_add_le_scan_disable(&req);
5049 hci_req_add_le_passive_scan(&req);
5050
5051 hci_req_run(&req, NULL);
5052 }
5053
14b49b9a
MH		 5054 hci_dev_unlock(hdev);
5055
5056 return err;
5057}
5058
1904a853
MH		 5059static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
5060 u16 opcode)
33e38b3e 5061{
3b0602cd 5062 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 5063
5064 BT_DBG("status 0x%02x", status);
5065
5066 hci_dev_lock(hdev);
5067
333ae95d 5068 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 5069 if (!cmd)
5070 goto unlock;
5071
5072 if (status) {
a69e8375
JH		 5073 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5074 mgmt_status(status));
33e38b3e 5075 } else {
1a4d3c4b
JH		 5076 struct mgmt_mode *cp = cmd->param;
5077
5078 if (cp->val)
a1536da2 5079 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5080 else
a358dc11 5081 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5082
33e38b3e
JH		 5083 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5084 new_settings(hdev, cmd->sk);
5085 }
5086
5087 mgmt_pending_remove(cmd);
5088
5089unlock:
5090 hci_dev_unlock(hdev);
5091}
5092
bdb6d971 5093static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 5094 void *data, u16 len)
f6422ec6 5095{
650f726d 5096 struct mgmt_mode *cp = data;
3b0602cd 5097 struct mgmt_pending_cmd *cmd;
33e38b3e 5098 struct hci_request req;
f6422ec6
AJ		 5099 int err;
5100
bdb6d971 5101 BT_DBG("%s", hdev->name);
f6422ec6 5102
d7a5a11d 5103 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 5104 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 5105 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5106 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 5107
a7e80f25 5108 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5109 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5110 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 5111
f6422ec6
AJ		 5112 hci_dev_lock(hdev);
5113
333ae95d 5114 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 5115 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5116 MGMT_STATUS_BUSY);
05cbf29f
JH		 5117 goto unlock;
5118 }
5119
d7a5a11d 5120 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 5121 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5122 hdev);
5123 goto unlock;
5124 }
5125
406ef2a6 5126 if (!hdev_is_powered(hdev)) {
ce05d603 5127 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 5128 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5129 hdev);
5130 new_settings(hdev, sk);
5131 goto unlock;
5132 }
5133
33e38b3e
JH		 5134 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
5135 data, len);
5136 if (!cmd) {
5137 err = -ENOMEM;
5138 goto unlock;
f6422ec6
AJ		 5139 }
5140
33e38b3e
JH		 5141 hci_req_init(&req, hdev);
5142
406d7804 5143 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 5144
5145 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 5146 if (err < 0) {
a69e8375
JH		 5147 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5148 MGMT_STATUS_FAILED);
33e38b3e 5149 mgmt_pending_remove(cmd);
f6422ec6
AJ		 5150 }
5151
33e38b3e 5152unlock:
f6422ec6 5153 hci_dev_unlock(hdev);
33e38b3e 5154
f6422ec6
AJ		 5155 return err;
5156}
5157
1904a853 5158static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 5159{
3b0602cd 5160 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5161
5162 BT_DBG("status 0x%02x", status);
5163
5164 hci_dev_lock(hdev);
5165
333ae95d 5166 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 5167 if (!cmd)
5168 goto unlock;
5169
5170 if (status) {
5171 u8 mgmt_err = mgmt_status(status);
5172
5173 /* We need to restore the flag if related HCI commands
5174 * failed.
5175 */
a358dc11 5176 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 5177
a69e8375 5178 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 5179 } else {
5180 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
5181 new_settings(hdev, cmd->sk);
5182 }
5183
5184 mgmt_pending_remove(cmd);
5185
5186unlock:
5187 hci_dev_unlock(hdev);
5188}
5189
5190static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
5191{
5192 struct mgmt_mode *cp = data;
3b0602cd 5193 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5194 struct hci_request req;
5195 int err;
5196
5197 BT_DBG("request for %s", hdev->name);
5198
5199 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 5200 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5201 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 5202
d7a5a11d 5203 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5204 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5205 MGMT_STATUS_REJECTED);
0663ca2a
JH		 5206
5207 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5208 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5209 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 5210
5211 hci_dev_lock(hdev);
5212
d7a5a11d 5213 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 5214 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5215 goto unlock;
5216 }
5217
5218 if (!hdev_is_powered(hdev)) {
5219 if (!cp->val) {
a358dc11
MH		 5220 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
5221 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
5222 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
5223 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5224 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 5225 }
5226
ce05d603 5227 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5228
5229 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5230 if (err < 0)
5231 goto unlock;
5232
5233 err = new_settings(hdev, sk);
5234 goto unlock;
5235 }
5236
5237 /* Reject disabling when powered on */
5238 if (!cp->val) {
a69e8375
JH		 5239 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5240 MGMT_STATUS_REJECTED);
0663ca2a 5241 goto unlock;
111e4bcc
MH		 5242 } else {
5243 /* When configuring a dual-mode controller to operate
5244 * with LE only and using a static address, then switching
5245 * BR/EDR back on is not allowed.
5246 *
5247 * Dual-mode controllers shall operate with the public
5248 * address as its identity address for BR/EDR and LE. So
5249 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 5250 *
5251 * The same restrictions applies when secure connections
5252 * has been enabled. For BR/EDR this is a controller feature
5253 * while for LE it is a host stack feature. This means that
5254 * switching BR/EDR back on when secure connections has been
5255 * enabled is not a supported transaction.
111e4bcc 5256 */
d7a5a11d 5257 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 5258 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 5259 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 5260 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5261 MGMT_STATUS_REJECTED);
111e4bcc
MH		 5262 goto unlock;
5263 }
0663ca2a
JH		 5264 }
5265
333ae95d 5266 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 5267 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5268 MGMT_STATUS_BUSY);
0663ca2a
JH		 5269 goto unlock;
5270 }
5271
5272 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
5273 if (!cmd) {
5274 err = -ENOMEM;
5275 goto unlock;
5276 }
5277
5947f4bc 5278 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 5279 * generates the correct flags.
5280 */
a1536da2 5281 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5282
5283 hci_req_init(&req, hdev);
aa8af46e 5284
432df05e 5285 write_fast_connectable(&req, false);
1d2dc5b7 5286 __hci_update_page_scan(&req);
aa8af46e 5287
f14d8f64
MH		 5288 /* Since only the advertising data flags will change, there
5289 * is no need to update the scan response data.
5290 */
5947f4bc 5291 update_adv_data(&req);
aa8af46e 5292
0663ca2a
JH		 5293 err = hci_req_run(&req, set_bredr_complete);
5294 if (err < 0)
5295 mgmt_pending_remove(cmd);
5296
5297unlock:
5298 hci_dev_unlock(hdev);
5299 return err;
5300}
5301
a1443f5a
JH		 5302static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5303{
3b0602cd 5304 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 5305 struct mgmt_mode *cp;
5306
5307 BT_DBG("%s status %u", hdev->name, status);
5308
5309 hci_dev_lock(hdev);
5310
333ae95d 5311 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 5312 if (!cmd)
5313 goto unlock;
5314
5315 if (status) {
a69e8375
JH		 5316 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5317 mgmt_status(status));
a1443f5a
JH		 5318 goto remove;
5319 }
5320
5321 cp = cmd->param;
5322
5323 switch (cp->val) {
5324 case 0x00:
a358dc11
MH		 5325 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
5326 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5327 break;
5328 case 0x01:
a1536da2 5329 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 5330 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5331 break;
5332 case 0x02:
a1536da2
MH		 5333 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5334 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5335 break;
5336 }
5337
5338 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
5339 new_settings(hdev, cmd->sk);
5340
5341remove:
5342 mgmt_pending_remove(cmd);
5343unlock:
5344 hci_dev_unlock(hdev);
5345}
5346
eac83dc6
MH		 5347static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
5348 void *data, u16 len)
5349{
5350 struct mgmt_mode *cp = data;
3b0602cd 5351 struct mgmt_pending_cmd *cmd;
a1443f5a 5352 struct hci_request req;
a3209694 5353 u8 val;
eac83dc6
MH		 5354 int err;
5355
5356 BT_DBG("request for %s", hdev->name);
5357
05b3c3e7 5358 if (!lmp_sc_capable(hdev) &&
d7a5a11d 5359 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5360 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5361 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 5362
d7a5a11d 5363 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 5364 lmp_sc_capable(hdev) &&
d7a5a11d 5365 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 5366 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5367 MGMT_STATUS_REJECTED);
ed93ec69 5368
0ab04a9c 5369 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 5370 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 5371 MGMT_STATUS_INVALID_PARAMS);
5372
5373 hci_dev_lock(hdev);
5374
05b3c3e7 5375 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 5376 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 5377 bool changed;
5378
0ab04a9c 5379 if (cp->val) {
238be788
MH		 5380 changed = !hci_dev_test_and_set_flag(hdev,
5381 HCI_SC_ENABLED);
0ab04a9c 5382 if (cp->val == 0x02)
a1536da2 5383 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5384 else
a358dc11 5385 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5386 } else {
a69d8927
MH		 5387 changed = hci_dev_test_and_clear_flag(hdev,
5388 HCI_SC_ENABLED);
a358dc11 5389 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5390 }
eac83dc6
MH		 5391
5392 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5393 if (err < 0)
5394 goto failed;
5395
5396 if (changed)
5397 err = new_settings(hdev, sk);
5398
5399 goto failed;
5400 }
5401
333ae95d 5402 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 5403 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5404 MGMT_STATUS_BUSY);
eac83dc6
MH		 5405 goto failed;
5406 }
5407
0ab04a9c
MH		 5408 val = !!cp->val;
5409
d7a5a11d
MH		 5410 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5411 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 5412 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5413 goto failed;
5414 }
5415
5416 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
5417 if (!cmd) {
5418 err = -ENOMEM;
5419 goto failed;
5420 }
5421
a1443f5a
JH		 5422 hci_req_init(&req, hdev);
5423 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
5424 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 5425 if (err < 0) {
5426 mgmt_pending_remove(cmd);
5427 goto failed;
5428 }
5429
5430failed:
5431 hci_dev_unlock(hdev);
5432 return err;
5433}
5434
4e39ac81
MH		 5435static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
5436 void *data, u16 len)
5437{
5438 struct mgmt_mode *cp = data;
b9710979 5439 bool changed, use_changed;
4e39ac81
MH		 5440 int err;
5441
5442 BT_DBG("request for %s", hdev->name);
5443
b9710979 5444 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 5445 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
5446 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 5447
5448 hci_dev_lock(hdev);
5449
5450 if (cp->val)
238be788 5451 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 5452 else
a69d8927
MH		 5453 changed = hci_dev_test_and_clear_flag(hdev,
5454 HCI_KEEP_DEBUG_KEYS);
4e39ac81 5455
b9710979 5456 if (cp->val == 0x02)
238be788
MH		 5457 use_changed = !hci_dev_test_and_set_flag(hdev,
5458 HCI_USE_DEBUG_KEYS);
b9710979 5459 else
a69d8927
MH		 5460 use_changed = hci_dev_test_and_clear_flag(hdev,
5461 HCI_USE_DEBUG_KEYS);
b9710979
JH		 5462
5463 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 5464 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 5465 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
5466 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
5467 sizeof(mode), &mode);
5468 }
5469
4e39ac81
MH		 5470 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
5471 if (err < 0)
5472 goto unlock;
5473
5474 if (changed)
5475 err = new_settings(hdev, sk);
5476
5477unlock:
5478 hci_dev_unlock(hdev);
5479 return err;
5480}
5481
62b04cd1
JH		 5482static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5483 u16 len)
5484{
5485 struct mgmt_cp_set_privacy *cp = cp_data;
5486 bool changed;
5487 int err;
5488
5489 BT_DBG("request for %s", hdev->name);
5490
5491 if (!lmp_le_capable(hdev))
a69e8375
JH		 5492 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5493 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1
JH		 5494
5495 if (cp->privacy != 0x00 && cp->privacy != 0x01)
a69e8375
JH		 5496 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5497 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 5498
5499 if (hdev_is_powered(hdev))
a69e8375
JH		 5500 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5501 MGMT_STATUS_REJECTED);
62b04cd1
JH		 5502
5503 hci_dev_lock(hdev);
5504
c21c0ea0
JH		 5505 /* If user space supports this command it is also expected to
5506 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
5507 */
a1536da2 5508 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 5509
62b04cd1 5510 if (cp->privacy) {
238be788 5511 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 5512 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 5513 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1 5514 } else {
a69d8927 5515 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 5516 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 5517 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1
JH		 5518 }
5519
5520 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
5521 if (err < 0)
5522 goto unlock;
5523
5524 if (changed)
5525 err = new_settings(hdev, sk);
5526
5527unlock:
5528 hci_dev_unlock(hdev);
5529 return err;
5530}
5531
41edf160
JH		 5532static bool irk_is_valid(struct mgmt_irk_info *irk)
5533{
5534 switch (irk->addr.type) {
5535 case BDADDR_LE_PUBLIC:
5536 return true;
5537
5538 case BDADDR_LE_RANDOM:
5539 /* Two most significant bits shall be set */
5540 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5541 return false;
5542 return true;
5543 }
5544
5545 return false;
5546}
5547
5548static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5549 u16 len)
5550{
5551 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 5552 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
5553 sizeof(struct mgmt_irk_info));
41edf160
JH		 5554 u16 irk_count, expected_len;
5555 int i, err;
5556
5557 BT_DBG("request for %s", hdev->name);
5558
5559 if (!lmp_le_capable(hdev))
a69e8375
JH		 5560 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5561 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 5562
5563 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 5564 if (irk_count > max_irk_count) {
5565 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 5566 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5567 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5568 }
41edf160
JH		 5569
5570 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
5571 if (expected_len != len) {
5572 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 5573 expected_len, len);
a69e8375
JH		 5574 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5575 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5576 }
5577
5578 BT_DBG("%s irk_count %u", hdev->name, irk_count);
5579
5580 for (i = 0; i < irk_count; i++) {
5581 struct mgmt_irk_info *key = &cp->irks[i];
5582
5583 if (!irk_is_valid(key))
a69e8375
JH		 5584 return mgmt_cmd_status(sk, hdev->id,
5585 MGMT_OP_LOAD_IRKS,
5586 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5587 }
5588
5589 hci_dev_lock(hdev);
5590
5591 hci_smp_irks_clear(hdev);
5592
5593 for (i = 0; i < irk_count; i++) {
5594 struct mgmt_irk_info *irk = &cp->irks[i];
41edf160 5595
85813a7e
JH		 5596 hci_add_irk(hdev, &irk->addr.bdaddr,
5597 le_addr_type(irk->addr.type), irk->val,
41edf160
JH		 5598 BDADDR_ANY);
5599 }
5600
a1536da2 5601 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 5602
2a1afb5a 5603 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 5604
5605 hci_dev_unlock(hdev);
5606
5607 return err;
5608}
5609
3f706b72
JH		 5610static bool ltk_is_valid(struct mgmt_ltk_info *key)
5611{
5612 if (key->master != 0x00 && key->master != 0x01)
5613 return false;
490cb0b3
MH		 5614
5615 switch (key->addr.type) {
5616 case BDADDR_LE_PUBLIC:
5617 return true;
5618
5619 case BDADDR_LE_RANDOM:
5620 /* Two most significant bits shall be set */
5621 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5622 return false;
5623 return true;
5624 }
5625
5626 return false;
3f706b72
JH		 5627}
5628
bdb6d971 5629static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 5630 void *cp_data, u16 len)
346af67b 5631{
346af67b 5632 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 5633 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
5634 sizeof(struct mgmt_ltk_info));
346af67b 5635 u16 key_count, expected_len;
715a5bf2 5636 int i, err;
346af67b 5637
cf99ba13
MH		 5638 BT_DBG("request for %s", hdev->name);
5639
5640 if (!lmp_le_capable(hdev))
a69e8375
JH		 5641 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5642 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 5643
1f350c87 5644 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 5645 if (key_count > max_key_count) {
5646 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 5647 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5648 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5649 }
346af67b
VCG		 5650
5651 expected_len = sizeof(*cp) + key_count *
5652 sizeof(struct mgmt_ltk_info);
5653 if (expected_len != len) {
5654 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 5655 expected_len, len);
a69e8375
JH		 5656 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5657 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 5658 }
5659
bdb6d971 5660 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 5661
54ad6d8a
JH		 5662 for (i = 0; i < key_count; i++) {
5663 struct mgmt_ltk_info *key = &cp->keys[i];
5664
3f706b72 5665 if (!ltk_is_valid(key))
a69e8375
JH		 5666 return mgmt_cmd_status(sk, hdev->id,
5667 MGMT_OP_LOAD_LONG_TERM_KEYS,
5668 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 5669 }
5670
346af67b
VCG		 5671 hci_dev_lock(hdev);
5672
5673 hci_smp_ltks_clear(hdev);
5674
5675 for (i = 0; i < key_count; i++) {
5676 struct mgmt_ltk_info *key = &cp->keys[i];
85813a7e 5677 u8 type, authenticated;
346af67b 5678
61b43357
JH		 5679 switch (key->type) {
5680 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 5681 authenticated = 0x00;
23fb8de3 5682 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 5683 break;
5684 case MGMT_LTK_AUTHENTICATED:
d7b25450 5685 authenticated = 0x01;
23fb8de3
JH		 5686 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
5687 break;
5688 case MGMT_LTK_P256_UNAUTH:
5689 authenticated = 0x00;
5690 type = SMP_LTK_P256;
61b43357 5691 break;
23fb8de3
JH		 5692 case MGMT_LTK_P256_AUTH:
5693 authenticated = 0x01;
5694 type = SMP_LTK_P256;
61b43357 5695 break;
23fb8de3
JH		 5696 case MGMT_LTK_P256_DEBUG:
5697 authenticated = 0x00;
5698 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 5699 default:
5700 continue;
5701 }
d7b25450 5702
85813a7e
JH		 5703 hci_add_ltk(hdev, &key->addr.bdaddr,
5704 le_addr_type(key->addr.type), type, authenticated,
5705 key->val, key->enc_size, key->ediv, key->rand);
346af67b
VCG		 5706 }
5707
2a1afb5a 5708 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 5709 NULL, 0);
5710
346af67b 5711 hci_dev_unlock(hdev);
346af67b 5712
715a5bf2 5713 return err;
346af67b
VCG		 5714}
5715
3b0602cd 5716static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 5717{
dd983808 5718 struct hci_conn *conn = cmd->user_data;
9981bdb0 5719 struct mgmt_rp_get_conn_info rp;
9df74653 5720 int err;
dd983808 5721
9981bdb0 5722 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 5723
9981bdb0 5724 if (status == MGMT_STATUS_SUCCESS) {
dd983808 5725 rp.rssi = conn->rssi;
9981bdb0
JH		 5726 rp.tx_power = conn->tx_power;
5727 rp.max_tx_power = conn->max_tx_power;
5728 } else {
5729 rp.rssi = HCI_RSSI_INVALID;
5730 rp.tx_power = HCI_TX_POWER_INVALID;
5731 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 5732 }
5733
2a1afb5a
JH		 5734 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
5735 status, &rp, sizeof(rp));
dd983808
AK		 5736
5737 hci_conn_drop(conn);
f8aaf9b6 5738 hci_conn_put(conn);
9df74653
JH		 5739
5740 return err;
dd983808
AK		 5741}
5742
1904a853
MH		 5743static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
5744 u16 opcode)
dd983808
AK		 5745{
5746 struct hci_cp_read_rssi *cp;
3b0602cd 5747 struct mgmt_pending_cmd *cmd;
dd983808 5748 struct hci_conn *conn;
dd983808 5749 u16 handle;
9981bdb0 5750 u8 status;
dd983808 5751
9981bdb0 5752 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 5753
5754 hci_dev_lock(hdev);
5755
dd983808
AK		 5756 /* Commands sent in request are either Read RSSI or Read Transmit Power
5757 * Level so we check which one was last sent to retrieve connection
5758 * handle. Both commands have handle as first parameter so it's safe to
5759 * cast data on the same command struct.
5760 *
5761 * First command sent is always Read RSSI and we fail only if it fails.
5762 * In other case we simply override error to indicate success as we
5763 * already remembered if TX power value is actually valid.
5764 */
5765 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5766 if (!cp) {
5767 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 5768 status = MGMT_STATUS_SUCCESS;
5769 } else {
5770 status = mgmt_status(hci_status);
dd983808
AK		 5771 }
5772
5773 if (!cp) {
9981bdb0 5774 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 5775 goto unlock;
5776 }
5777
5778 handle = __le16_to_cpu(cp->handle);
5779 conn = hci_conn_hash_lookup_handle(hdev, handle);
5780 if (!conn) {
9981bdb0 5781 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 5782 goto unlock;
5783 }
5784
333ae95d 5785 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 5786 if (!cmd)
5787 goto unlock;
dd983808 5788
9981bdb0
JH		 5789 cmd->cmd_complete(cmd, status);
5790 mgmt_pending_remove(cmd);
dd983808
AK		 5791
5792unlock:
5793 hci_dev_unlock(hdev);
5794}
5795
5796static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5797 u16 len)
5798{
5799 struct mgmt_cp_get_conn_info *cp = data;
5800 struct mgmt_rp_get_conn_info rp;
5801 struct hci_conn *conn;
5802 unsigned long conn_info_age;
5803 int err = 0;
5804
5805 BT_DBG("%s", hdev->name);
5806
5807 memset(&rp, 0, sizeof(rp));
5808 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5809 rp.addr.type = cp->addr.type;
5810
5811 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 5812 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5813 MGMT_STATUS_INVALID_PARAMS,
5814 &rp, sizeof(rp));
dd983808
AK		 5815
5816 hci_dev_lock(hdev);
5817
5818 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 5819 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5820 MGMT_STATUS_NOT_POWERED, &rp,
5821 sizeof(rp));
dd983808
AK		 5822 goto unlock;
5823 }
5824
5825 if (cp->addr.type == BDADDR_BREDR)
5826 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5827 &cp->addr.bdaddr);
5828 else
5829 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5830
5831 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 5832 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5833 MGMT_STATUS_NOT_CONNECTED, &rp,
5834 sizeof(rp));
dd983808
AK		 5835 goto unlock;
5836 }
5837
333ae95d 5838 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 5839 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5840 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 5841 goto unlock;
5842 }
5843
dd983808
AK		 5844 /* To avoid client trying to guess when to poll again for information we
5845 * calculate conn info age as random value between min/max set in hdev.
5846 */
5847 conn_info_age = hdev->conn_info_min_age +
5848 prandom_u32_max(hdev->conn_info_max_age -
5849 hdev->conn_info_min_age);
5850
5851 /* Query controller to refresh cached values if they are too old or were
5852 * never read.
5853 */
f4e2dd53
AK		 5854 if (time_after(jiffies, conn->conn_info_timestamp +
5855 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5856 !conn->conn_info_timestamp) {
5857 struct hci_request req;
5858 struct hci_cp_read_tx_power req_txp_cp;
5859 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 5860 struct mgmt_pending_cmd *cmd;
dd983808
AK		 5861
5862 hci_req_init(&req, hdev);
5863 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5864 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5865 &req_rssi_cp);
5866
f7faab0c
AK		 5867 /* For LE links TX power does not change thus we don't need to
5868 * query for it once value is known.
5869 */
5870 if (!bdaddr_type_is_le(cp->addr.type) ||
5871 conn->tx_power == HCI_TX_POWER_INVALID) {
5872 req_txp_cp.handle = cpu_to_le16(conn->handle);
5873 req_txp_cp.type = 0x00;
5874 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5875 sizeof(req_txp_cp), &req_txp_cp);
5876 }
dd983808 5877
eed5daf3
AK		 5878 /* Max TX power needs to be read only once per connection */
5879 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5880 req_txp_cp.handle = cpu_to_le16(conn->handle);
5881 req_txp_cp.type = 0x01;
5882 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5883 sizeof(req_txp_cp), &req_txp_cp);
5884 }
5885
dd983808
AK		 5886 err = hci_req_run(&req, conn_info_refresh_complete);
5887 if (err < 0)
5888 goto unlock;
5889
5890 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5891 data, len);
5892 if (!cmd) {
5893 err = -ENOMEM;
5894 goto unlock;
5895 }
5896
5897 hci_conn_hold(conn);
f8aaf9b6 5898 cmd->user_data = hci_conn_get(conn);
9981bdb0 5899 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 5900
5901 conn->conn_info_timestamp = jiffies;
5902 } else {
5903 /* Cache is valid, just reply with values cached in hci_conn */
5904 rp.rssi = conn->rssi;
5905 rp.tx_power = conn->tx_power;
eed5daf3 5906 rp.max_tx_power = conn->max_tx_power;
dd983808 5907
2a1afb5a
JH		 5908 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5909 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 5910 }
5911
5912unlock:
5913 hci_dev_unlock(hdev);
5914 return err;
5915}
5916
3b0602cd 5917static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 5918{
69487371 5919 struct hci_conn *conn = cmd->user_data;
95868426 5920 struct mgmt_rp_get_clock_info rp;
69487371 5921 struct hci_dev *hdev;
9df74653 5922 int err;
69487371
JH		 5923
5924 memset(&rp, 0, sizeof(rp));
5925 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
5926
5927 if (status)
5928 goto complete;
5929
5930 hdev = hci_dev_get(cmd->index);
5931 if (hdev) {
5932 rp.local_clock = cpu_to_le32(hdev->clock);
5933 hci_dev_put(hdev);
5934 }
5935
5936 if (conn) {
5937 rp.piconet_clock = cpu_to_le32(conn->clock);
5938 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5939 }
5940
5941complete:
2a1afb5a
JH		 5942 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5943 sizeof(rp));
69487371
JH		 5944
5945 if (conn) {
5946 hci_conn_drop(conn);
5947 hci_conn_put(conn);
5948 }
9df74653
JH		 5949
5950 return err;
69487371
JH		 5951}
5952
1904a853 5953static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 5954{
95868426 5955 struct hci_cp_read_clock *hci_cp;
3b0602cd 5956 struct mgmt_pending_cmd *cmd;
95868426
JH		 5957 struct hci_conn *conn;
5958
5959 BT_DBG("%s status %u", hdev->name, status);
5960
5961 hci_dev_lock(hdev);
5962
5963 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5964 if (!hci_cp)
5965 goto unlock;
5966
5967 if (hci_cp->which) {
5968 u16 handle = __le16_to_cpu(hci_cp->handle);
5969 conn = hci_conn_hash_lookup_handle(hdev, handle);
5970 } else {
5971 conn = NULL;
5972 }
5973
333ae95d 5974 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 5975 if (!cmd)
5976 goto unlock;
5977
69487371 5978 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 5979 mgmt_pending_remove(cmd);
95868426
JH		 5980
5981unlock:
5982 hci_dev_unlock(hdev);
5983}
5984
5985static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5986 u16 len)
5987{
5988 struct mgmt_cp_get_clock_info *cp = data;
5989 struct mgmt_rp_get_clock_info rp;
5990 struct hci_cp_read_clock hci_cp;
3b0602cd 5991 struct mgmt_pending_cmd *cmd;
95868426
JH		 5992 struct hci_request req;
5993 struct hci_conn *conn;
5994 int err;
5995
5996 BT_DBG("%s", hdev->name);
5997
5998 memset(&rp, 0, sizeof(rp));
5999 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6000 rp.addr.type = cp->addr.type;
6001
6002 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 6003 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6004 MGMT_STATUS_INVALID_PARAMS,
6005 &rp, sizeof(rp));
95868426
JH		 6006
6007 hci_dev_lock(hdev);
6008
6009 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 6010 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6011 MGMT_STATUS_NOT_POWERED, &rp,
6012 sizeof(rp));
95868426
JH		 6013 goto unlock;
6014 }
6015
6016 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6017 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
6018 &cp->addr.bdaddr);
6019 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 6020 err = mgmt_cmd_complete(sk, hdev->id,
6021 MGMT_OP_GET_CLOCK_INFO,
6022 MGMT_STATUS_NOT_CONNECTED,
6023 &rp, sizeof(rp));
95868426
JH		 6024 goto unlock;
6025 }
6026 } else {
6027 conn = NULL;
6028 }
6029
6030 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
6031 if (!cmd) {
6032 err = -ENOMEM;
6033 goto unlock;
6034 }
6035
69487371
JH		 6036 cmd->cmd_complete = clock_info_cmd_complete;
6037
95868426
JH		 6038 hci_req_init(&req, hdev);
6039
6040 memset(&hci_cp, 0, sizeof(hci_cp));
6041 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6042
6043 if (conn) {
6044 hci_conn_hold(conn);
f8aaf9b6 6045 cmd->user_data = hci_conn_get(conn);
95868426
JH		 6046
6047 hci_cp.handle = cpu_to_le16(conn->handle);
6048 hci_cp.which = 0x01; /* Piconet clock */
6049 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6050 }
6051
6052 err = hci_req_run(&req, get_clock_info_complete);
6053 if (err < 0)
6054 mgmt_pending_remove(cmd);
6055
6056unlock:
6057 hci_dev_unlock(hdev);
6058 return err;
6059}
6060
5a154e6f
JH		 6061static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
6062{
6063 struct hci_conn *conn;
6064
6065 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
6066 if (!conn)
6067 return false;
6068
6069 if (conn->dst_type != type)
6070 return false;
6071
6072 if (conn->state != BT_CONNECTED)
6073 return false;
6074
6075 return true;
6076}
6077
6078/* This function requires the caller holds hdev->lock */
6079static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
6080 u8 addr_type, u8 auto_connect)
6081{
6082 struct hci_dev *hdev = req->hdev;
6083 struct hci_conn_params *params;
6084
6085 params = hci_conn_params_add(hdev, addr, addr_type);
6086 if (!params)
6087 return -EIO;
6088
6089 if (params->auto_connect == auto_connect)
6090 return 0;
6091
6092 list_del_init(&params->action);
6093
6094 switch (auto_connect) {
6095 case HCI_AUTO_CONN_DISABLED:
6096 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 6097 /* If auto connect is being disabled when we're trying to
6098 * connect to device, keep connecting.
6099 */
6100 if (params->explicit_connect)
6101 list_add(&params->action, &hdev->pend_le_conns);
6102
5a154e6f
JH		 6103 __hci_update_background_scan(req);
6104 break;
6105 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 6106 if (params->explicit_connect)
6107 list_add(&params->action, &hdev->pend_le_conns);
6108 else
6109 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 6110 __hci_update_background_scan(req);
6111 break;
6112 case HCI_AUTO_CONN_DIRECT:
6113 case HCI_AUTO_CONN_ALWAYS:
6114 if (!is_connected(hdev, addr, addr_type)) {
6115 list_add(&params->action, &hdev->pend_le_conns);
168b8a25
JP		 6116 /* If we are in scan phase of connecting, we were
6117 * already added to pend_le_conns and scanning.
6118 */
6119 if (params->auto_connect != HCI_AUTO_CONN_EXPLICIT)
6120 __hci_update_background_scan(req);
5a154e6f
JH		 6121 }
6122 break;
6123 }
6124
6125 params->auto_connect = auto_connect;
6126
6127 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
6128 auto_connect);
6129
6130 return 0;
6131}
6132
8afef092
MH		 6133static void device_added(struct sock *sk, struct hci_dev *hdev,
6134 bdaddr_t *bdaddr, u8 type, u8 action)
6135{
6136 struct mgmt_ev_device_added ev;
6137
6138 bacpy(&ev.addr.bdaddr, bdaddr);
6139 ev.addr.type = type;
6140 ev.action = action;
6141
6142 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
6143}
6144
1904a853 6145static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5a154e6f 6146{
3b0602cd 6147 struct mgmt_pending_cmd *cmd;
5a154e6f
JH		 6148
6149 BT_DBG("status 0x%02x", status);
6150
6151 hci_dev_lock(hdev);
6152
333ae95d 6153 cmd = pending_find(MGMT_OP_ADD_DEVICE, hdev);
5a154e6f
JH		 6154 if (!cmd)
6155 goto unlock;
6156
6157 cmd->cmd_complete(cmd, mgmt_status(status));
6158 mgmt_pending_remove(cmd);
6159
6160unlock:
6161 hci_dev_unlock(hdev);
6162}
6163
2faade53
MH		 6164static int add_device(struct sock *sk, struct hci_dev *hdev,
6165 void *data, u16 len)
6166{
6167 struct mgmt_cp_add_device *cp = data;
3b0602cd 6168 struct mgmt_pending_cmd *cmd;
5a154e6f 6169 struct hci_request req;
2faade53
MH		 6170 u8 auto_conn, addr_type;
6171 int err;
6172
6173 BT_DBG("%s", hdev->name);
6174
6659358e 6175 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 6176 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 6177 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6178 MGMT_STATUS_INVALID_PARAMS,
6179 &cp->addr, sizeof(cp->addr));
2faade53 6180
4b9e7e75 6181 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 6182 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6183 MGMT_STATUS_INVALID_PARAMS,
6184 &cp->addr, sizeof(cp->addr));
2faade53 6185
5a154e6f
JH		 6186 hci_req_init(&req, hdev);
6187
2faade53
MH		 6188 hci_dev_lock(hdev);
6189
5a154e6f
JH		 6190 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
6191 if (!cmd) {
6192 err = -ENOMEM;
6193 goto unlock;
6194 }
6195
6196 cmd->cmd_complete = addr_cmd_complete;
6197
6659358e 6198 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 6199 /* Only incoming connections action is supported for now */
6659358e 6200 if (cp->action != 0x01) {
9df74653
JH		 6201 err = cmd->cmd_complete(cmd,
6202 MGMT_STATUS_INVALID_PARAMS);
5a154e6f 6203 mgmt_pending_remove(cmd);
6659358e
JH		 6204 goto unlock;
6205 }
6206
6207 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
6208 cp->addr.type);
6209 if (err)
6210 goto unlock;
a397407f 6211
5a154e6f 6212 __hci_update_page_scan(&req);
a397407f 6213
6659358e
JH		 6214 goto added;
6215 }
6216
85813a7e 6217 addr_type = le_addr_type(cp->addr.type);
2faade53 6218
4b9e7e75 6219 if (cp->action == 0x02)
2faade53 6220 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 6221 else if (cp->action == 0x01)
6222 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 6223 else
a3451d27 6224 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 6225
9a0a8a8e
JP		 6226 /* Kernel internally uses conn_params with resolvable private
6227 * address, but Add Device allows only identity addresses.
6228 * Make sure it is enforced before calling
6229 * hci_conn_params_lookup.
6230 */
6231 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6232 err = cmd->cmd_complete(cmd, MGMT_STATUS_INVALID_PARAMS);
6233 mgmt_pending_remove(cmd);
6234 goto unlock;
6235 }
6236
bf5b3c8b
MH		 6237 /* If the connection parameters don't exist for this device,
6238 * they will be created and configured with defaults.
6239 */
5a154e6f 6240 if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type,
d06b50ce 6241 auto_conn) < 0) {
9df74653 6242 err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED);
5a154e6f 6243 mgmt_pending_remove(cmd);
2faade53
MH		 6244 goto unlock;
6245 }
6246
6659358e 6247added:
8afef092
MH		 6248 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
6249
5a154e6f
JH		 6250 err = hci_req_run(&req, add_device_complete);
6251 if (err < 0) {
6252 /* ENODATA means no HCI commands were needed (e.g. if
6253 * the adapter is powered off).
6254 */
9df74653
JH		 6255 if (err == -ENODATA)
6256 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
5a154e6f
JH		 6257 mgmt_pending_remove(cmd);
6258 }
2faade53
MH		 6259
6260unlock:
6261 hci_dev_unlock(hdev);
6262 return err;
6263}
6264
8afef092
MH		 6265static void device_removed(struct sock *sk, struct hci_dev *hdev,
6266 bdaddr_t *bdaddr, u8 type)
6267{
6268 struct mgmt_ev_device_removed ev;
6269
6270 bacpy(&ev.addr.bdaddr, bdaddr);
6271 ev.addr.type = type;
6272
6273 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
6274}
6275
1904a853 6276static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
51ef3ebe 6277{
3b0602cd 6278 struct mgmt_pending_cmd *cmd;
51ef3ebe
JH		 6279
6280 BT_DBG("status 0x%02x", status);
6281
6282 hci_dev_lock(hdev);
6283
333ae95d 6284 cmd = pending_find(MGMT_OP_REMOVE_DEVICE, hdev);
51ef3ebe
JH		 6285 if (!cmd)
6286 goto unlock;
6287
6288 cmd->cmd_complete(cmd, mgmt_status(status));
6289 mgmt_pending_remove(cmd);
6290
6291unlock:
6292 hci_dev_unlock(hdev);
6293}
6294
2faade53
MH		 6295static int remove_device(struct sock *sk, struct hci_dev *hdev,
6296 void *data, u16 len)
6297{
6298 struct mgmt_cp_remove_device *cp = data;
3b0602cd 6299 struct mgmt_pending_cmd *cmd;
51ef3ebe 6300 struct hci_request req;
2faade53
MH		 6301 int err;
6302
6303 BT_DBG("%s", hdev->name);
6304
51ef3ebe
JH		 6305 hci_req_init(&req, hdev);
6306
2faade53
MH		 6307 hci_dev_lock(hdev);
6308
51ef3ebe
JH		 6309 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len);
6310 if (!cmd) {
6311 err = -ENOMEM;
6312 goto unlock;
6313 }
6314
6315 cmd->cmd_complete = addr_cmd_complete;
6316
2faade53 6317 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 6318 struct hci_conn_params *params;
2faade53
MH		 6319 u8 addr_type;
6320
6659358e 6321 if (!bdaddr_type_is_valid(cp->addr.type)) {
9df74653
JH		 6322 err = cmd->cmd_complete(cmd,
6323 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6324 mgmt_pending_remove(cmd);
2faade53
MH		 6325 goto unlock;
6326 }
6327
6659358e
JH		 6328 if (cp->addr.type == BDADDR_BREDR) {
6329 err = hci_bdaddr_list_del(&hdev->whitelist,
6330 &cp->addr.bdaddr,
6331 cp->addr.type);
6332 if (err) {
9df74653
JH		 6333 err = cmd->cmd_complete(cmd,
6334 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6335 mgmt_pending_remove(cmd);
6659358e
JH		 6336 goto unlock;
6337 }
6338
51ef3ebe 6339 __hci_update_page_scan(&req);
a397407f 6340
6659358e
JH		 6341 device_removed(sk, hdev, &cp->addr.bdaddr,
6342 cp->addr.type);
6343 goto complete;
6344 }
6345
85813a7e 6346 addr_type = le_addr_type(cp->addr.type);
2faade53 6347
9a0a8a8e
JP		 6348 /* Kernel internally uses conn_params with resolvable private
6349 * address, but Remove Device allows only identity addresses.
6350 * Make sure it is enforced before calling
6351 * hci_conn_params_lookup.
6352 */
6353 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6354 err = cmd->cmd_complete(cmd,
6355 MGMT_STATUS_INVALID_PARAMS);
6356 mgmt_pending_remove(cmd);
6357 goto unlock;
6358 }
6359
c71593dd
JH		 6360 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
6361 addr_type);
6362 if (!params) {
9df74653
JH		 6363 err = cmd->cmd_complete(cmd,
6364 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6365 mgmt_pending_remove(cmd);
c71593dd
JH		 6366 goto unlock;
6367 }
6368
679d2b6f
JH		 6369 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
6370 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
9df74653
JH		 6371 err = cmd->cmd_complete(cmd,
6372 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6373 mgmt_pending_remove(cmd);
c71593dd
JH		 6374 goto unlock;
6375 }
6376
d1dbf12e 6377 list_del(&params->action);
c71593dd
JH		 6378 list_del(&params->list);
6379 kfree(params);
51ef3ebe 6380 __hci_update_background_scan(&req);
8afef092
MH		 6381
6382 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 6383 } else {
19de0825 6384 struct hci_conn_params *p, *tmp;
6659358e 6385 struct bdaddr_list *b, *btmp;
19de0825 6386
2faade53 6387 if (cp->addr.type) {
9df74653
JH		 6388 err = cmd->cmd_complete(cmd,
6389 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6390 mgmt_pending_remove(cmd);
2faade53
MH		 6391 goto unlock;
6392 }
6393
6659358e
JH		 6394 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
6395 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
6396 list_del(&b->list);
6397 kfree(b);
6398 }
6399
51ef3ebe 6400 __hci_update_page_scan(&req);
a397407f 6401
19de0825
JH		 6402 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
6403 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
6404 continue;
6405 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 6406 if (p->explicit_connect) {
6407 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
6408 continue;
6409 }
19de0825
JH		 6410 list_del(&p->action);
6411 list_del(&p->list);
6412 kfree(p);
6413 }
6414
6415 BT_DBG("All LE connection parameters were removed");
6416
51ef3ebe 6417 __hci_update_background_scan(&req);
2faade53
MH		 6418 }
6419
6659358e 6420complete:
51ef3ebe
JH		 6421 err = hci_req_run(&req, remove_device_complete);
6422 if (err < 0) {
6423 /* ENODATA means no HCI commands were needed (e.g. if
6424 * the adapter is powered off).
6425 */
9df74653
JH		 6426 if (err == -ENODATA)
6427 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
51ef3ebe
JH		 6428 mgmt_pending_remove(cmd);
6429 }
2faade53
MH		 6430
6431unlock:
6432 hci_dev_unlock(hdev);
6433 return err;
6434}
6435
a26f3dcf
JH		 6436static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
6437 u16 len)
6438{
6439 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 6440 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
6441 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 6442 u16 param_count, expected_len;
6443 int i;
6444
6445 if (!lmp_le_capable(hdev))
a69e8375
JH		 6446 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6447 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 6448
6449 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 6450 if (param_count > max_param_count) {
6451 BT_ERR("load_conn_param: too big param_count value %u",
6452 param_count);
a69e8375
JH		 6453 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6454 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 6455 }
a26f3dcf
JH		 6456
6457 expected_len = sizeof(*cp) + param_count *
6458 sizeof(struct mgmt_conn_param);
6459 if (expected_len != len) {
6460 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
6461 expected_len, len);
a69e8375
JH		 6462 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6463 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 6464 }
6465
6466 BT_DBG("%s param_count %u", hdev->name, param_count);
6467
6468 hci_dev_lock(hdev);
6469
6470 hci_conn_params_clear_disabled(hdev);
6471
6472 for (i = 0; i < param_count; i++) {
6473 struct mgmt_conn_param *param = &cp->params[i];
6474 struct hci_conn_params *hci_param;
6475 u16 min, max, latency, timeout;
6476 u8 addr_type;
6477
6478 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
6479 param->addr.type);
6480
6481 if (param->addr.type == BDADDR_LE_PUBLIC) {
6482 addr_type = ADDR_LE_DEV_PUBLIC;
6483 } else if (param->addr.type == BDADDR_LE_RANDOM) {
6484 addr_type = ADDR_LE_DEV_RANDOM;
6485 } else {
6486 BT_ERR("Ignoring invalid connection parameters");
6487 continue;
6488 }
6489
6490 min = le16_to_cpu(param->min_interval);
6491 max = le16_to_cpu(param->max_interval);
6492 latency = le16_to_cpu(param->latency);
6493 timeout = le16_to_cpu(param->timeout);
6494
6495 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
6496 min, max, latency, timeout);
6497
6498 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
6499 BT_ERR("Ignoring invalid connection parameters");
6500 continue;
6501 }
6502
6503 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
6504 addr_type);
6505 if (!hci_param) {
6506 BT_ERR("Failed to add connection parameters");
6507 continue;
6508 }
6509
6510 hci_param->conn_min_interval = min;
6511 hci_param->conn_max_interval = max;
6512 hci_param->conn_latency = latency;
6513 hci_param->supervision_timeout = timeout;
6514 }
6515
6516 hci_dev_unlock(hdev);
6517
2a1afb5a
JH		 6518 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
6519 NULL, 0);
a26f3dcf
JH		 6520}
6521
dbece37a
MH		 6522static int set_external_config(struct sock *sk, struct hci_dev *hdev,
6523 void *data, u16 len)
6524{
6525 struct mgmt_cp_set_external_config *cp = data;
6526 bool changed;
6527 int err;
6528
6529 BT_DBG("%s", hdev->name);
6530
6531 if (hdev_is_powered(hdev))
a69e8375
JH		 6532 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6533 MGMT_STATUS_REJECTED);
dbece37a
MH		 6534
6535 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 6536 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6537 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 6538
6539 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 6540 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6541 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 6542
6543 hci_dev_lock(hdev);
6544
6545 if (cp->config)
238be788 6546 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 6547 else
a69d8927 6548 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 6549
6550 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
6551 if (err < 0)
6552 goto unlock;
6553
6554 if (!changed)
6555 goto unlock;
6556
f4537c04
MH		 6557 err = new_options(hdev, sk);
6558
d7a5a11d 6559 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 6560 mgmt_index_removed(hdev);
d603b76b 6561
516018a9 6562 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 6563 hci_dev_set_flag(hdev, HCI_CONFIG);
6564 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 6565
6566 queue_work(hdev->req_workqueue, &hdev->power_on);
6567 } else {
5ea234d3 6568 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 6569 mgmt_index_added(hdev);
6570 }
dbece37a
MH		 6571 }
6572
6573unlock:
6574 hci_dev_unlock(hdev);
6575 return err;
6576}
6577
9713c17b
MH		 6578static int set_public_address(struct sock *sk, struct hci_dev *hdev,
6579 void *data, u16 len)
6580{
6581 struct mgmt_cp_set_public_address *cp = data;
6582 bool changed;
6583 int err;
6584
6585 BT_DBG("%s", hdev->name);
6586
6587 if (hdev_is_powered(hdev))
a69e8375
JH		 6588 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6589 MGMT_STATUS_REJECTED);
9713c17b
MH		 6590
6591 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 6592 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6593 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 6594
6595 if (!hdev->set_bdaddr)
a69e8375
JH		 6596 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6597 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 6598
6599 hci_dev_lock(hdev);
6600
6601 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
6602 bacpy(&hdev->public_addr, &cp->bdaddr);
6603
6604 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
6605 if (err < 0)
6606 goto unlock;
6607
6608 if (!changed)
6609 goto unlock;
6610
d7a5a11d 6611 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 6612 err = new_options(hdev, sk);
6613
6614 if (is_configured(hdev)) {
6615 mgmt_index_removed(hdev);
6616
a358dc11 6617 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 6618
a1536da2
MH		 6619 hci_dev_set_flag(hdev, HCI_CONFIG);
6620 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 6621
6622 queue_work(hdev->req_workqueue, &hdev->power_on);
6623 }
6624
6625unlock:
6626 hci_dev_unlock(hdev);
6627 return err;
6628}
6629
bea41609
MH		 6630static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6631 u8 data_len)
6632{
6633 eir[eir_len++] = sizeof(type) + data_len;
6634 eir[eir_len++] = type;
6635 memcpy(&eir[eir_len], data, data_len);
6636 eir_len += data_len;
6637
6638 return eir_len;
6639}
6640
40f66c05
JH		 6641static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
6642 u16 opcode, struct sk_buff *skb)
6643{
6644 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
6645 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
6646 u8 *h192, *r192, *h256, *r256;
6647 struct mgmt_pending_cmd *cmd;
6648 u16 eir_len;
6649 int err;
6650
6651 BT_DBG("%s status %u", hdev->name, status);
6652
6653 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
6654 if (!cmd)
6655 return;
6656
6657 mgmt_cp = cmd->param;
6658
6659 if (status) {
6660 status = mgmt_status(status);
6661 eir_len = 0;
6662
6663 h192 = NULL;
6664 r192 = NULL;
6665 h256 = NULL;
6666 r256 = NULL;
6667 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
6668 struct hci_rp_read_local_oob_data *rp;
6669
6670 if (skb->len != sizeof(*rp)) {
6671 status = MGMT_STATUS_FAILED;
6672 eir_len = 0;
6673 } else {
6674 status = MGMT_STATUS_SUCCESS;
6675 rp = (void *)skb->data;
6676
6677 eir_len = 5 + 18 + 18;
6678 h192 = rp->hash;
6679 r192 = rp->rand;
6680 h256 = NULL;
6681 r256 = NULL;
6682 }
6683 } else {
6684 struct hci_rp_read_local_oob_ext_data *rp;
6685
6686 if (skb->len != sizeof(*rp)) {
6687 status = MGMT_STATUS_FAILED;
6688 eir_len = 0;
6689 } else {
6690 status = MGMT_STATUS_SUCCESS;
6691 rp = (void *)skb->data;
6692
6693 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6694 eir_len = 5 + 18 + 18;
6695 h192 = NULL;
6696 r192 = NULL;
6697 } else {
6698 eir_len = 5 + 18 + 18 + 18 + 18;
6699 h192 = rp->hash192;
6700 r192 = rp->rand192;
6701 }
6702
6703 h256 = rp->hash256;
6704 r256 = rp->rand256;
6705 }
6706 }
6707
6708 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
6709 if (!mgmt_rp)
6710 goto done;
6711
6712 if (status)
6713 goto send_rsp;
6714
6715 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
6716 hdev->dev_class, 3);
6717
6718 if (h192 && r192) {
6719 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6720 EIR_SSP_HASH_C192, h192, 16);
6721 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6722 EIR_SSP_RAND_R192, r192, 16);
6723 }
6724
6725 if (h256 && r256) {
6726 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6727 EIR_SSP_HASH_C256, h256, 16);
6728 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6729 EIR_SSP_RAND_R256, r256, 16);
6730 }
6731
6732send_rsp:
6733 mgmt_rp->type = mgmt_cp->type;
6734 mgmt_rp->eir_len = cpu_to_le16(eir_len);
6735
6736 err = mgmt_cmd_complete(cmd->sk, hdev->id,
6737 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
6738 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
6739 if (err < 0 || status)
6740 goto done;
6741
6742 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
6743
6744 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6745 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
6746 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
6747done:
6748 kfree(mgmt_rp);
6749 mgmt_pending_remove(cmd);
6750}
6751
6752static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
6753 struct mgmt_cp_read_local_oob_ext_data *cp)
6754{
6755 struct mgmt_pending_cmd *cmd;
6756 struct hci_request req;
6757 int err;
6758
6759 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
6760 cp, sizeof(*cp));
6761 if (!cmd)
6762 return -ENOMEM;
6763
6764 hci_req_init(&req, hdev);
6765
6766 if (bredr_sc_enabled(hdev))
6767 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
6768 else
6769 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
6770
6771 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
6772 if (err < 0) {
6773 mgmt_pending_remove(cmd);
6774 return err;
6775 }
6776
6777 return 0;
6778}
6779
4f0f155c
MH		 6780static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
6781 void *data, u16 data_len)
6782{
6783 struct mgmt_cp_read_local_oob_ext_data *cp = data;
6784 struct mgmt_rp_read_local_oob_ext_data *rp;
6785 size_t rp_len;
6786 u16 eir_len;
0821a2c5 6787 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 6788 int err;
6789
6790 BT_DBG("%s", hdev->name);
6791
57b0d3e8
MH		 6792 if (hdev_is_powered(hdev)) {
6793 switch (cp->type) {
6794 case BIT(BDADDR_BREDR):
6795 status = mgmt_bredr_support(hdev);
6796 if (status)
6797 eir_len = 0;
6798 else
6799 eir_len = 5;
6800 break;
6801 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6802 status = mgmt_le_support(hdev);
6803 if (status)
6804 eir_len = 0;
6805 else
6806 eir_len = 9 + 3 + 18 + 18 + 3;
6807 break;
6808 default:
6809 status = MGMT_STATUS_INVALID_PARAMS;
6810 eir_len = 0;
6811 break;
6812 }
6813 } else {
6814 status = MGMT_STATUS_NOT_POWERED;
6815 eir_len = 0;
4f0f155c
MH		 6816 }
6817
4f0f155c
MH		 6818 rp_len = sizeof(*rp) + eir_len;
6819 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 6820 if (!rp)
4f0f155c 6821 return -ENOMEM;
efcd8c98 6822
57b0d3e8
MH		 6823 if (status)
6824 goto complete;
6825
efcd8c98 6826 hci_dev_lock(hdev);
4f0f155c
MH		 6827
6828 eir_len = 0;
6829 switch (cp->type) {
6830 case BIT(BDADDR_BREDR):
40f66c05
JH		 6831 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
6832 err = read_local_ssp_oob_req(hdev, sk, cp);
6833 hci_dev_unlock(hdev);
6834 if (!err)
6835 goto done;
6836
6837 status = MGMT_STATUS_FAILED;
6838 goto complete;
6839 } else {
6840 eir_len = eir_append_data(rp->eir, eir_len,
6841 EIR_CLASS_OF_DEV,
6842 hdev->dev_class, 3);
6843 }
4f0f155c
MH		 6844 break;
6845 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 6846 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
6847 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 6848 hci_dev_unlock(hdev);
57b0d3e8
MH		 6849 status = MGMT_STATUS_FAILED;
6850 goto complete;
0821a2c5
MH		 6851 }
6852
e213568a
MH		 6853 /* This should return the active RPA, but since the RPA
6854 * is only programmed on demand, it is really hard to fill
6855 * this in at the moment. For now disallow retrieving
6856 * local out-of-band data when privacy is in use.
6857 *
6858 * Returning the identity address will not help here since
6859 * pairing happens before the identity resolving key is
6860 * known and thus the connection establishment happens
6861 * based on the RPA and not the identity address.
6862 */
4f0f155c 6863 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 6864 hci_dev_unlock(hdev);
6865 status = MGMT_STATUS_REJECTED;
6866 goto complete;
6867 }
6868
6869 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
6870 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
6871 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
6872 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 6873 memcpy(addr, &hdev->static_addr, 6);
6874 addr[6] = 0x01;
6875 } else {
6876 memcpy(addr, &hdev->bdaddr, 6);
6877 addr[6] = 0x00;
6878 }
6879
6880 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
6881 addr, sizeof(addr));
6882
6883 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
6884 role = 0x02;
6885 else
6886 role = 0x01;
6887
6888 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
6889 &role, sizeof(role));
6890
5082a599
MH		 6891 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
6892 eir_len = eir_append_data(rp->eir, eir_len,
6893 EIR_LE_SC_CONFIRM,
6894 hash, sizeof(hash));
0821a2c5 6895
5082a599
MH		 6896 eir_len = eir_append_data(rp->eir, eir_len,
6897 EIR_LE_SC_RANDOM,
6898 rand, sizeof(rand));
6899 }
0821a2c5 6900
4f0f155c
MH		 6901 flags = get_adv_discov_flags(hdev);
6902
6903 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
6904 flags |= LE_AD_NO_BREDR;
6905
6906 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
6907 &flags, sizeof(flags));
6908 break;
6909 }
6910
4f0f155c
MH		 6911 hci_dev_unlock(hdev);
6912
72000df2
MH		 6913 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
6914
57b0d3e8
MH		 6915 status = MGMT_STATUS_SUCCESS;
6916
6917complete:
efcd8c98
MH		 6918 rp->type = cp->type;
6919 rp->eir_len = cpu_to_le16(eir_len);
6920
4f0f155c 6921 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 6922 status, rp, sizeof(*rp) + eir_len);
6923 if (err < 0 || status)
72000df2
MH		 6924 goto done;
6925
6926 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6927 rp, sizeof(*rp) + eir_len,
6928 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 6929
0821a2c5 6930done:
4f0f155c
MH		 6931 kfree(rp);
6932
6933 return err;
6934}
6935
089fa8c0
AU		 6936static u32 get_supported_adv_flags(struct hci_dev *hdev)
6937{
6938 u32 flags = 0;
6939
6940 flags |= MGMT_ADV_FLAG_CONNECTABLE;
6941 flags |= MGMT_ADV_FLAG_DISCOV;
6942 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
6943 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
6944
6945 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
6946 flags |= MGMT_ADV_FLAG_TX_POWER;
6947
6948 return flags;
6949}
6950
d3d5305b
MH		 6951static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
6952 void *data, u16 data_len)
6953{
6954 struct mgmt_rp_read_adv_features *rp;
6955 size_t rp_len;
286e0c83 6956 int err, i;
24b4f38f 6957 bool instance;
286e0c83 6958 struct adv_info *adv_instance;
089fa8c0 6959 u32 supported_flags;
d3d5305b
MH		 6960
6961 BT_DBG("%s", hdev->name);
6962
089fa8c0
AU		 6963 if (!lmp_le_capable(hdev))
6964 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6965 MGMT_STATUS_REJECTED);
6966
d3d5305b
MH		 6967 hci_dev_lock(hdev);
6968
6969 rp_len = sizeof(*rp);
24b4f38f 6970
24b4f38f
AU		 6971 instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
6972 if (instance)
286e0c83 6973 rp_len += hdev->adv_instance_cnt;
24b4f38f 6974
d3d5305b
MH		 6975 rp = kmalloc(rp_len, GFP_ATOMIC);
6976 if (!rp) {
6977 hci_dev_unlock(hdev);
6978 return -ENOMEM;
6979 }
6980
089fa8c0
AU		 6981 supported_flags = get_supported_adv_flags(hdev);
6982
6983 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 6984 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
6985 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 6986 rp->max_instances = HCI_MAX_ADV_INSTANCES;
24b4f38f 6987
24b4f38f 6988 if (instance) {
286e0c83
FG		 6989 i = 0;
6990 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
6991 if (i >= hdev->adv_instance_cnt)
6992 break;
6993
6994 rp->instance[i] = adv_instance->instance;
6995 i++;
6996 }
6997 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f
AU		 6998 } else {
6999 rp->num_instances = 0;
7000 }
d3d5305b
MH		 7001
7002 hci_dev_unlock(hdev);
7003
7004 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
7005 MGMT_STATUS_SUCCESS, rp, rp_len);
7006
7007 kfree(rp);
7008
7009 return err;
7010}
7011
4117ed70 7012static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
b44133ff 7013 u8 len, bool is_adv_data)
24b4f38f 7014{
4117ed70 7015 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 7016 int i, cur_len;
b44133ff 7017 bool flags_managed = false;
5507e358 7018 bool tx_power_managed = false;
67e0c0cd
AU		 7019 u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
7020 MGMT_ADV_FLAG_MANAGED_FLAGS;
24b4f38f 7021
807ec772 7022 if (is_adv_data && (adv_flags & flags_params)) {
b44133ff
AU		 7023 flags_managed = true;
7024 max_len -= 3;
7025 }
24b4f38f 7026
5507e358
AU		 7027 if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
7028 tx_power_managed = true;
7029 max_len -= 3;
7030 }
7031
4117ed70 7032 if (len > max_len)
24b4f38f
AU		 7033 return false;
7034
4117ed70
AU		 7035 /* Make sure that the data is correctly formatted. */
7036 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
7037 cur_len = data[i];
24b4f38f 7038
b44133ff
AU		 7039 if (flags_managed && data[i + 1] == EIR_FLAGS)
7040 return false;
7041
5507e358
AU		 7042 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
7043 return false;
7044
24b4f38f
AU		 7045 /* If the current field length would exceed the total data
7046 * length, then it's invalid.
7047 */
4117ed70 7048 if (i + cur_len >= len)
24b4f38f
AU		 7049 return false;
7050 }
7051
7052 return true;
7053}
7054
24b4f38f
AU		 7055static void add_advertising_complete(struct hci_dev *hdev, u8 status,
7056 u16 opcode)
7057{
7058 struct mgmt_pending_cmd *cmd;
fffd38bc 7059 struct mgmt_cp_add_advertising *cp;
24b4f38f 7060 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 7061 struct adv_info *adv_instance, *n;
7062 u8 instance;
24b4f38f
AU		 7063
7064 BT_DBG("status %d", status);
7065
7066 hci_dev_lock(hdev);
7067
7068 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
7069
fffd38bc 7070 if (status)
24b4f38f 7071 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
fffd38bc
FG		 7072
7073 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
7074 if (!adv_instance->pending)
7075 continue;
7076
7077 if (!status) {
7078 adv_instance->pending = false;
7079 continue;
7080 }
7081
7082 instance = adv_instance->instance;
7083
7084 if (hdev->cur_adv_instance == instance)
7085 cancel_adv_timeout(hdev);
7086
7087 hci_remove_adv_instance(hdev, instance);
7088 advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 7089 }
7090
7091 if (!cmd)
7092 goto unlock;
7093
fffd38bc
FG		 7094 cp = cmd->param;
7095 rp.instance = cp->instance;
24b4f38f
AU		 7096
7097 if (status)
7098 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
7099 mgmt_status(status));
7100 else
7101 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
7102 mgmt_status(status), &rp, sizeof(rp));
7103
7104 mgmt_pending_remove(cmd);
7105
7106unlock:
7107 hci_dev_unlock(hdev);
7108}
7109
5d900e46 7110void mgmt_adv_timeout_expired(struct hci_dev *hdev)
912098a6 7111{
847818d9
FG		 7112 u8 instance;
7113 struct hci_request req;
7114
5d900e46 7115 hdev->adv_instance_timeout = 0;
912098a6 7116
847818d9
FG		 7117 instance = get_current_adv_instance(hdev);
7118 if (instance == 0x00)
7119 return;
7120
912098a6 7121 hci_dev_lock(hdev);
847818d9
FG		 7122 hci_req_init(&req, hdev);
7123
7124 clear_adv_instance(hdev, &req, instance, false);
7125
7126 if (list_empty(&hdev->adv_instances))
7127 disable_advertising(&req);
7128
7129 if (!skb_queue_empty(&req.cmd_q))
7130 hci_req_run(&req, NULL);
7131
912098a6
AU		 7132 hci_dev_unlock(hdev);
7133}
7134
24b4f38f
AU		 7135static int add_advertising(struct sock *sk, struct hci_dev *hdev,
7136 void *data, u16 data_len)
7137{
7138 struct mgmt_cp_add_advertising *cp = data;
7139 struct mgmt_rp_add_advertising rp;
7140 u32 flags;
089fa8c0 7141 u32 supported_flags;
24b4f38f 7142 u8 status;
fffd38bc
FG		 7143 u16 timeout, duration;
7144 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
7145 u8 schedule_instance = 0;
7146 struct adv_info *next_instance;
24b4f38f
AU		 7147 int err;
7148 struct mgmt_pending_cmd *cmd;
7149 struct hci_request req;
7150
7151 BT_DBG("%s", hdev->name);
7152
7153 status = mgmt_le_support(hdev);
7154 if (status)
7155 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7156 status);
7157
7158 flags = __le32_to_cpu(cp->flags);
912098a6 7159 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 7160 duration = __le16_to_cpu(cp->duration);
24b4f38f 7161
fffd38bc
FG		 7162 /* The current implementation only supports a subset of the specified
7163 * flags.
089fa8c0
AU		 7164 */
7165 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 7166 if (flags & ~supported_flags)
24b4f38f
AU		 7167 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7168 MGMT_STATUS_INVALID_PARAMS);
7169
7170 hci_dev_lock(hdev);
7171
912098a6
AU		 7172 if (timeout && !hdev_is_powered(hdev)) {
7173 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7174 MGMT_STATUS_REJECTED);
7175 goto unlock;
7176 }
7177
24b4f38f 7178 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 7179 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 7180 pending_find(MGMT_OP_SET_LE, hdev)) {
7181 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7182 MGMT_STATUS_BUSY);
7183 goto unlock;
7184 }
7185
b44133ff 7186 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
4117ed70 7187 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
b44133ff 7188 cp->scan_rsp_len, false)) {
24b4f38f
AU		 7189 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7190 MGMT_STATUS_INVALID_PARAMS);
7191 goto unlock;
7192 }
7193
fffd38bc
FG		 7194 err = hci_add_adv_instance(hdev, cp->instance, flags,
7195 cp->adv_data_len, cp->data,
7196 cp->scan_rsp_len,
7197 cp->data + cp->adv_data_len,
7198 timeout, duration);
7199 if (err < 0) {
7200 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7201 MGMT_STATUS_FAILED);
7202 goto unlock;
7203 }
24b4f38f 7204
fffd38bc
FG		 7205 /* Only trigger an advertising added event if a new instance was
7206 * actually added.
7207 */
7208 if (hdev->adv_instance_cnt > prev_instance_cnt)
7209 advertising_added(sk, hdev, cp->instance);
912098a6 7210
fffd38bc 7211 hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE);
912098a6 7212
fffd38bc
FG		 7213 if (hdev->cur_adv_instance == cp->instance) {
7214 /* If the currently advertised instance is being changed then
7215 * cancel the current advertising and schedule the next
7216 * instance. If there is only one instance then the overridden
7217 * advertising data will be visible right away.
7218 */
7219 cancel_adv_timeout(hdev);
912098a6 7220
fffd38bc
FG		 7221 next_instance = hci_get_next_instance(hdev, cp->instance);
7222 if (next_instance)
7223 schedule_instance = next_instance->instance;
7224 } else if (!hdev->adv_instance_timeout) {
7225 /* Immediately advertise the new instance if no other
7226 * instance is currently being advertised.
7227 */
7228 schedule_instance = cp->instance;
7229 }
24b4f38f 7230
fffd38bc
FG		 7231 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
7232 * there is no instance to be advertised then we have no HCI
7233 * communication to make. Simply return.
24b4f38f
AU		 7234 */
7235 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 7236 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7237 !schedule_instance) {
7238 rp.instance = cp->instance;
24b4f38f
AU		 7239 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7240 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7241 goto unlock;
7242 }
7243
7244 /* We're good to go, update advertising data, parameters, and start
7245 * advertising.
7246 */
7247 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
7248 data_len);
7249 if (!cmd) {
7250 err = -ENOMEM;
7251 goto unlock;
7252 }
7253
7254 hci_req_init(&req, hdev);
7255
fffd38bc
FG		 7256 err = schedule_adv_instance(&req, schedule_instance, true);
7257
7258 if (!err)
7259 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 7260
24b4f38f
AU		 7261 if (err < 0)
7262 mgmt_pending_remove(cmd);
7263
7264unlock:
7265 hci_dev_unlock(hdev);
7266
7267 return err;
7268}
7269
da929335
AU		 7270static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
7271 u16 opcode)
7272{
7273 struct mgmt_pending_cmd *cmd;
01948331 7274 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 7275 struct mgmt_rp_remove_advertising rp;
7276
7277 BT_DBG("status %d", status);
7278
7279 hci_dev_lock(hdev);
7280
7281 /* A failure status here only means that we failed to disable
7282 * advertising. Otherwise, the advertising instance has been removed,
7283 * so report success.
7284 */
7285 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
7286 if (!cmd)
7287 goto unlock;
7288
01948331
FG		 7289 cp = cmd->param;
7290 rp.instance = cp->instance;
da929335
AU		 7291
7292 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
7293 &rp, sizeof(rp));
7294 mgmt_pending_remove(cmd);
7295
7296unlock:
7297 hci_dev_unlock(hdev);
7298}
7299
7300static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
7301 void *data, u16 data_len)
7302{
7303 struct mgmt_cp_remove_advertising *cp = data;
7304 struct mgmt_rp_remove_advertising rp;
da929335
AU		 7305 struct mgmt_pending_cmd *cmd;
7306 struct hci_request req;
952497b1 7307 int err;
da929335
AU		 7308
7309 BT_DBG("%s", hdev->name);
7310
da929335
AU		 7311 hci_dev_lock(hdev);
7312
952497b1 7313 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 7314 err = mgmt_cmd_status(sk, hdev->id,
7315 MGMT_OP_REMOVE_ADVERTISING,
7316 MGMT_STATUS_INVALID_PARAMS);
7317 goto unlock;
7318 }
7319
da929335
AU		 7320 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7321 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7322 pending_find(MGMT_OP_SET_LE, hdev)) {
7323 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7324 MGMT_STATUS_BUSY);
7325 goto unlock;
7326 }
7327
7328 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
7329 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7330 MGMT_STATUS_INVALID_PARAMS);
7331 goto unlock;
7332 }
7333
01948331 7334 hci_req_init(&req, hdev);
da929335 7335
01948331 7336 clear_adv_instance(hdev, &req, cp->instance, true);
da929335 7337
01948331
FG		 7338 if (list_empty(&hdev->adv_instances))
7339 disable_advertising(&req);
da929335 7340
01948331
FG		 7341 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
7342 * flag is set or the device isn't powered then we have no HCI
7343 * communication to make. Simply return.
da929335 7344 */
01948331
FG		 7345 if (skb_queue_empty(&req.cmd_q) ||
7346 !hdev_is_powered(hdev) ||
da929335 7347 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 7348 rp.instance = cp->instance;
da929335
AU		 7349 err = mgmt_cmd_complete(sk, hdev->id,
7350 MGMT_OP_REMOVE_ADVERTISING,
7351 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7352 goto unlock;
7353 }
7354
7355 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
7356 data_len);
7357 if (!cmd) {
7358 err = -ENOMEM;
7359 goto unlock;
7360 }
7361
da929335
AU		 7362 err = hci_req_run(&req, remove_advertising_complete);
7363 if (err < 0)
7364 mgmt_pending_remove(cmd);
7365
7366unlock:
7367 hci_dev_unlock(hdev);
7368
7369 return err;
7370}
7371
6d785aa3 7372static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 7373 { NULL }, /* 0x0000 (no command) */
b9a245fb 7374 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 7375 HCI_MGMT_NO_HDEV |
7376 HCI_MGMT_UNTRUSTED },
b9a245fb 7377 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 7378 HCI_MGMT_NO_HDEV |
7379 HCI_MGMT_UNTRUSTED },
b9a245fb 7380 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 7381 HCI_MGMT_NO_HDEV |
7382 HCI_MGMT_UNTRUSTED },
7383 { read_controller_info, MGMT_READ_INFO_SIZE,
7384 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 7385 { set_powered, MGMT_SETTING_SIZE },
7386 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
7387 { set_connectable, MGMT_SETTING_SIZE },
7388 { set_fast_connectable, MGMT_SETTING_SIZE },
7389 { set_bondable, MGMT_SETTING_SIZE },
7390 { set_link_security, MGMT_SETTING_SIZE },
7391 { set_ssp, MGMT_SETTING_SIZE },
7392 { set_hs, MGMT_SETTING_SIZE },
7393 { set_le, MGMT_SETTING_SIZE },
7394 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
7395 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
7396 { add_uuid, MGMT_ADD_UUID_SIZE },
7397 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 7398 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
7399 HCI_MGMT_VAR_LEN },
7400 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
7401 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7402 { disconnect, MGMT_DISCONNECT_SIZE },
7403 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
7404 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
7405 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
7406 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
7407 { pair_device, MGMT_PAIR_DEVICE_SIZE },
7408 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
7409 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
7410 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
7411 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
7412 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
7413 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 7414 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
7415 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
7416 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7417 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
7418 { start_discovery, MGMT_START_DISCOVERY_SIZE },
7419 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
7420 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
7421 { block_device, MGMT_BLOCK_DEVICE_SIZE },
7422 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
7423 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
7424 { set_advertising, MGMT_SETTING_SIZE },
7425 { set_bredr, MGMT_SETTING_SIZE },
7426 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
7427 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
7428 { set_secure_conn, MGMT_SETTING_SIZE },
7429 { set_debug_keys, MGMT_SETTING_SIZE },
7430 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 7431 { load_irks, MGMT_LOAD_IRKS_SIZE,
7432 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7433 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
7434 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
7435 { add_device, MGMT_ADD_DEVICE_SIZE },
7436 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 7437 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
7438 HCI_MGMT_VAR_LEN },
7439 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 7440 HCI_MGMT_NO_HDEV |
7441 HCI_MGMT_UNTRUSTED },
b9a245fb 7442 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 7443 HCI_MGMT_UNCONFIGURED |
7444 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 7445 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
7446 HCI_MGMT_UNCONFIGURED },
7447 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
7448 HCI_MGMT_UNCONFIGURED },
7449 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
7450 HCI_MGMT_VAR_LEN },
4f0f155c 7451 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 7452 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 7453 HCI_MGMT_NO_HDEV |
7454 HCI_MGMT_UNTRUSTED },
d3d5305b 7455 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 7456 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
7457 HCI_MGMT_VAR_LEN },
da929335 7458 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
0f4e68cf
JH		 7459};
7460
bf6b56db 7461void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 7462{
ced85549 7463 struct mgmt_ev_ext_index ev;
bb4b2a9a 7464
0602a8ad
MH		 7465 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7466 return;
7467
f9207338
MH		 7468 switch (hdev->dev_type) {
7469 case HCI_BREDR:
7470 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7471 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
7472 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7473 ev.type = 0x01;
f9207338
MH		 7474 } else {
7475 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
7476 HCI_MGMT_INDEX_EVENTS);
ced85549 7477 ev.type = 0x00;
f9207338
MH		 7478 }
7479 break;
ced85549
MH		 7480 case HCI_AMP:
7481 ev.type = 0x02;
7482 break;
7483 default:
7484 return;
f9207338 7485 }
ced85549
MH		 7486
7487 ev.bus = hdev->bus;
7488
7489 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
7490 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 7491}
7492
bf6b56db 7493void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 7494{
ced85549 7495 struct mgmt_ev_ext_index ev;
5f159032 7496 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 7497
0602a8ad
MH		 7498 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7499 return;
7500
f9207338
MH		 7501 switch (hdev->dev_type) {
7502 case HCI_BREDR:
7503 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 7504
f9207338
MH		 7505 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7506 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
7507 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7508 ev.type = 0x01;
f9207338
MH		 7509 } else {
7510 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
7511 HCI_MGMT_INDEX_EVENTS);
ced85549 7512 ev.type = 0x00;
f9207338
MH		 7513 }
7514 break;
ced85549
MH		 7515 case HCI_AMP:
7516 ev.type = 0x02;
7517 break;
7518 default:
7519 return;
f9207338 7520 }
ced85549
MH		 7521
7522 ev.bus = hdev->bus;
7523
7524 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
7525 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 7526}
7527
6046dc3e 7528/* This function requires the caller holds hdev->lock */
2cf22218 7529static void restart_le_actions(struct hci_request *req)
6046dc3e 7530{
2cf22218 7531 struct hci_dev *hdev = req->hdev;
6046dc3e
AG		 7532 struct hci_conn_params *p;
7533
7534 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 7535 /* Needed for AUTO_OFF case where might not "really"
7536 * have been powered off.
7537 */
7538 list_del_init(&p->action);
7539
7540 switch (p->auto_connect) {
4b9e7e75 7541 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 7542 case HCI_AUTO_CONN_ALWAYS:
7543 list_add(&p->action, &hdev->pend_le_conns);
7544 break;
7545 case HCI_AUTO_CONN_REPORT:
7546 list_add(&p->action, &hdev->pend_le_reports);
7547 break;
7548 default:
7549 break;
c83ed19d 7550 }
6046dc3e 7551 }
c83ed19d 7552
2cf22218 7553 __hci_update_background_scan(req);
6046dc3e
AG		 7554}
7555
1904a853 7556static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
229ab39c
JH		 7557{
7558 struct cmd_lookup match = { NULL, hdev };
7559
7560 BT_DBG("status 0x%02x", status);
7561
162a3bac
MH		 7562 if (!status) {
7563 /* Register the available SMP channels (BR/EDR and LE) only
7564 * when successfully powering on the controller. This late
7565 * registration is required so that LE SMP can clearly
7566 * decide if the public address or static address is used.
7567 */
7568 smp_register(hdev);
7569 }
7570
229ab39c
JH		 7571 hci_dev_lock(hdev);
7572
7573 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7574
7575 new_settings(hdev, match.sk);
7576
7577 hci_dev_unlock(hdev);
7578
7579 if (match.sk)
7580 sock_put(match.sk);
7581}
7582
70da6243 7583static int powered_update_hci(struct hci_dev *hdev)
5add6af8 7584{
890ea898 7585 struct hci_request req;
320b3bf7 7586 struct adv_info *adv_instance;
70da6243 7587 u8 link_sec;
5add6af8 7588
890ea898
JH		 7589 hci_req_init(&req, hdev);
7590
d7a5a11d 7591 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
70da6243 7592 !lmp_host_ssp_capable(hdev)) {
574ea3c7 7593 u8 mode = 0x01;
5e5282bb 7594
574ea3c7
MH		 7595 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
7596
7597 if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
7598 u8 support = 0x01;
5add6af8 7599
574ea3c7
MH		 7600 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
7601 sizeof(support), &support);
7602 }
ec6f99b8
JH		 7603 }
7604
d7a5a11d 7605 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
c73eee91 7606 lmp_bredr_capable(hdev)) {
70da6243 7607 struct hci_cp_write_le_host_supported cp;
f0ff92fb 7608
32226e4f
MH		 7609 cp.le = 0x01;
7610 cp.simul = 0x00;
3d1cbdd6 7611
70da6243
JH		 7612 /* Check first if we already have the right
7613 * host state (host features set)
7614 */
7615 if (cp.le != lmp_host_le_capable(hdev) ||
7616 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 7617 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
7618 sizeof(cp), &cp);
70da6243 7619 }
3d1cbdd6 7620
d13eafce 7621 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 7622 /* Make sure the controller has a good default for
7623 * advertising data. This also applies to the case
7624 * where BR/EDR was toggled during the AUTO_OFF phase.
7625 */
320b3bf7
FG		 7626 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7627 (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7628 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) {
5947f4bc 7629 update_adv_data(&req);
f14d8f64
MH		 7630 update_scan_rsp_data(&req);
7631 }
441ad2d0 7632
320b3bf7
FG		 7633 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7634 hdev->cur_adv_instance == 0x00 &&
7635 !list_empty(&hdev->adv_instances)) {
7636 adv_instance = list_first_entry(&hdev->adv_instances,
7637 struct adv_info, list);
7638 hdev->cur_adv_instance = adv_instance->instance;
7639 }
7640
7641 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
bba3aa55 7642 enable_advertising(&req);
320b3bf7
FG		 7643 else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7644 hdev->cur_adv_instance)
7645 schedule_adv_instance(&req, hdev->cur_adv_instance,
7646 true);
2cf22218
JH		 7647
7648 restart_le_actions(&req);
eeca6f89
JH		 7649 }
7650
d7a5a11d 7651 link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
70da6243 7652 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 7653 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
7654 sizeof(link_sec), &link_sec);
562fcc24 7655
70da6243 7656 if (lmp_bredr_capable(hdev)) {
d7a5a11d 7657 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
406ef2a6
JH		 7658 write_fast_connectable(&req, true);
7659 else
7660 write_fast_connectable(&req, false);
1d2dc5b7 7661 __hci_update_page_scan(&req);
890ea898 7662 update_class(&req);
13928971 7663 update_name(&req);
890ea898 7664 update_eir(&req);
70da6243 7665 }
562fcc24 7666
229ab39c 7667 return hci_req_run(&req, powered_complete);
70da6243 7668}
562fcc24 7669
70da6243
JH		 7670int mgmt_powered(struct hci_dev *hdev, u8 powered)
7671{
7672 struct cmd_lookup match = { NULL, hdev };
9845904f 7673 u8 status, zero_cod[] = { 0, 0, 0 };
70da6243 7674 int err;
f0ff92fb 7675
d7a5a11d 7676 if (!hci_dev_test_flag(hdev, HCI_MGMT))
70da6243
JH		 7677 return 0;
7678
70da6243 7679 if (powered) {
229ab39c
JH		 7680 if (powered_update_hci(hdev) == 0)
7681 return 0;
fe038884 7682
229ab39c
JH		 7683 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
7684 &match);
7685 goto new_settings;
b24752fe
JH		 7686 }
7687
229ab39c 7688 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 7689
7690 /* If the power off is because of hdev unregistration let
7691 * use the appropriate INVALID_INDEX status. Otherwise use
7692 * NOT_POWERED. We cover both scenarios here since later in
7693 * mgmt_index_removed() any hci_conn callbacks will have already
7694 * been triggered, potentially causing misleading DISCONNECTED
7695 * status responses.
7696 */
d7a5a11d 7697 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 7698 status = MGMT_STATUS_INVALID_INDEX;
7699 else
7700 status = MGMT_STATUS_NOT_POWERED;
7701
7702 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c
JH		 7703
7704 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
f6b7712e
MH		 7705 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7706 zero_cod, sizeof(zero_cod), NULL);
229ab39c
JH		 7707
7708new_settings:
beadb2bd 7709 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 7710
7711 if (match.sk)
7712 sock_put(match.sk);
7713
7bb895d6 7714 return err;
5add6af8 7715}
73f22f62 7716
3eec705e 7717void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 7718{
3b0602cd 7719 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 7720 u8 status;
7721
333ae95d 7722 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 7723 if (!cmd)
3eec705e 7724 return;
96570ffc
JH		 7725
7726 if (err == -ERFKILL)
7727 status = MGMT_STATUS_RFKILLED;
7728 else
7729 status = MGMT_STATUS_FAILED;
7730
a69e8375 7731 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 7732
7733 mgmt_pending_remove(cmd);
96570ffc
JH		 7734}
7735
d1967ff8
MH		 7736void mgmt_discoverable_timeout(struct hci_dev *hdev)
7737{
7738 struct hci_request req;
d1967ff8
MH		 7739
7740 hci_dev_lock(hdev);
7741
7742 /* When discoverable timeout triggers, then just make sure
7743 * the limited discoverable flag is cleared. Even in the case
7744 * of a timeout triggered from general discoverable, it is
7745 * safe to unconditionally clear the flag.
7746 */
a358dc11
MH		 7747 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
7748 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
d1967ff8
MH		 7749
7750 hci_req_init(&req, hdev);
d7a5a11d 7751 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4b580614
JH		 7752 u8 scan = SCAN_PAGE;
7753 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
7754 sizeof(scan), &scan);
7755 }
d1967ff8 7756 update_class(&req);
24b4f38f
AU		 7757
7758 /* Advertising instances don't use the global discoverable setting, so
7759 * only update AD if advertising was enabled using Set Advertising.
7760 */
7761 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7762 update_adv_data(&req);
7763
d1967ff8
MH		 7764 hci_req_run(&req, NULL);
7765
7766 hdev->discov_timeout = 0;
7767
9a43e25f
JH		 7768 new_settings(hdev, NULL);
7769
d1967ff8
MH		 7770 hci_dev_unlock(hdev);
7771}
7772
dc4a5ee2
MH		 7773void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
7774 bool persistent)
55ed8ca1 7775{
86742e1e 7776 struct mgmt_ev_new_link_key ev;
55ed8ca1 7777
a492cd52 7778 memset(&ev, 0, sizeof(ev));
55ed8ca1 7779
a492cd52 7780 ev.store_hint = persistent;
d753fdc4 7781 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 7782 ev.key.addr.type = BDADDR_BREDR;
a492cd52 7783 ev.key.type = key->type;
9b3b4460 7784 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 7785 ev.key.pin_len = key->pin_len;
55ed8ca1 7786
dc4a5ee2 7787 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 7788}
f7520543 7789
d7b25450
JH		 7790static u8 mgmt_ltk_type(struct smp_ltk *ltk)
7791{
23fb8de3
JH		 7792 switch (ltk->type) {
7793 case SMP_LTK:
7794 case SMP_LTK_SLAVE:
7795 if (ltk->authenticated)
7796 return MGMT_LTK_AUTHENTICATED;
7797 return MGMT_LTK_UNAUTHENTICATED;
7798 case SMP_LTK_P256:
7799 if (ltk->authenticated)
7800 return MGMT_LTK_P256_AUTH;
7801 return MGMT_LTK_P256_UNAUTH;
7802 case SMP_LTK_P256_DEBUG:
7803 return MGMT_LTK_P256_DEBUG;
7804 }
d7b25450
JH		 7805
7806 return MGMT_LTK_UNAUTHENTICATED;
7807}
7808
53ac6ab6 7809void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 7810{
7811 struct mgmt_ev_new_long_term_key ev;
7812
7813 memset(&ev, 0, sizeof(ev));
7814
5192d301 7815 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7816 * without providing an identity resolving key don't require
5192d301
MH		 7817 * to store long term keys. Their addresses will change the
7818 * next time around.
7819 *
7820 * Only when a remote device provides an identity address
7821 * make sure the long term key is stored. If the remote
7822 * identity is known, the long term keys are internally
7823 * mapped to the identity address. So allow static random
7824 * and public addresses here.
7825 */
ba74b666
JH		 7826 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7827 (key->bdaddr.b[5] & 0xc0) != 0xc0)
7828 ev.store_hint = 0x00;
7829 else
53ac6ab6 7830 ev.store_hint = persistent;
ba74b666 7831
346af67b 7832 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 7833 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 7834 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 7835 ev.key.enc_size = key->enc_size;
7836 ev.key.ediv = key->ediv;
fe39c7b2 7837 ev.key.rand = key->rand;
346af67b 7838
2ceba539 7839 if (key->type == SMP_LTK)
346af67b
VCG		 7840 ev.key.master = 1;
7841
1fc62c52
JH		 7842 /* Make sure we copy only the significant bytes based on the
7843 * encryption key size, and set the rest of the value to zeroes.
7844 */
cb92205b 7845 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 7846 memset(ev.key.val + key->enc_size, 0,
7847 sizeof(ev.key.val) - key->enc_size);
346af67b 7848
083368f7 7849 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 7850}
7851
cad20c27 7852void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
95fbac8a
JH		 7853{
7854 struct mgmt_ev_new_irk ev;
7855
7856 memset(&ev, 0, sizeof(ev));
7857
cad20c27 7858 ev.store_hint = persistent;
bab6d1e5 7859
95fbac8a
JH		 7860 bacpy(&ev.rpa, &irk->rpa);
7861 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
7862 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
7863 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
7864
7865 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
7866}
7867
53ac6ab6
MH		 7868void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
7869 bool persistent)
7ee4ea36
MH		 7870{
7871 struct mgmt_ev_new_csrk ev;
7872
7873 memset(&ev, 0, sizeof(ev));
7874
7875 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7876 * without providing an identity resolving key don't require
7ee4ea36
MH		 7877 * to store signature resolving keys. Their addresses will change
7878 * the next time around.
7879 *
7880 * Only when a remote device provides an identity address
7881 * make sure the signature resolving key is stored. So allow
7882 * static random and public addresses here.
7883 */
7884 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7885 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
7886 ev.store_hint = 0x00;
7887 else
53ac6ab6 7888 ev.store_hint = persistent;
7ee4ea36
MH		 7889
7890 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
7891 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 7892 ev.key.type = csrk->type;
7ee4ea36
MH		 7893 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
7894
7895 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
7896}
7897
ffb5a827 7898void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 7899 u8 bdaddr_type, u8 store_hint, u16 min_interval,
7900 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 7901{
7902 struct mgmt_ev_new_conn_param ev;
7903
c103aea6
JH		 7904 if (!hci_is_identity_address(bdaddr, bdaddr_type))
7905 return;
7906
ffb5a827
AG		 7907 memset(&ev, 0, sizeof(ev));
7908 bacpy(&ev.addr.bdaddr, bdaddr);
7909 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 7910 ev.store_hint = store_hint;
ffb5a827
AG		 7911 ev.min_interval = cpu_to_le16(min_interval);
7912 ev.max_interval = cpu_to_le16(max_interval);
7913 ev.latency = cpu_to_le16(latency);
7914 ev.timeout = cpu_to_le16(timeout);
7915
7916 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
7917}
7918
48ec92fa
AA		 7919void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
7920 u32 flags, u8 *name, u8 name_len)
f7520543 7921{
b644ba33
JH		 7922 char buf[512];
7923 struct mgmt_ev_device_connected *ev = (void *) buf;
7924 u16 eir_len = 0;
f7520543 7925
48ec92fa
AA		 7926 bacpy(&ev->addr.bdaddr, &conn->dst);
7927 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 7928
c95f0ba7 7929 ev->flags = __cpu_to_le32(flags);
08c79b61 7930
fd45ada9
AA		 7931 /* We must ensure that the EIR Data fields are ordered and
7932 * unique. Keep it simple for now and avoid the problem by not
7933 * adding any BR/EDR data to the LE adv.
7934 */
7935 if (conn->le_adv_data_len > 0) {
7936 memcpy(&ev->eir[eir_len],
7937 conn->le_adv_data, conn->le_adv_data_len);
7938 eir_len = conn->le_adv_data_len;
7939 } else {
7940 if (name_len > 0)
7941 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
7942 name, name_len);
b644ba33 7943
ddbea5cf 7944 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 7945 eir_len = eir_append_data(ev->eir, eir_len,
7946 EIR_CLASS_OF_DEV,
7947 conn->dev_class, 3);
7948 }
b644ba33 7949
eb55ef07 7950 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 7951
ecd90ae7
MH		 7952 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
7953 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 7954}
7955
3b0602cd 7956static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 7957{
8962ee74 7958 struct sock **sk = data;
8962ee74 7959
f5818c22 7960 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 7961
7962 *sk = cmd->sk;
7963 sock_hold(*sk);
7964
a664b5bc 7965 mgmt_pending_remove(cmd);
8962ee74
JH		 7966}
7967
3b0602cd 7968static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 7969{
b1078ad0 7970 struct hci_dev *hdev = data;
124f6e35 7971 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 7972
b1078ad0
JH		 7973 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
7974
d8b7b1e4 7975 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 7976 mgmt_pending_remove(cmd);
7977}
7978
84c61d92
JH		 7979bool mgmt_powering_down(struct hci_dev *hdev)
7980{
3b0602cd 7981 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 7982 struct mgmt_mode *cp;
7983
333ae95d 7984 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 7985 if (!cmd)
7986 return false;
7987
7988 cp = cmd->param;
7989 if (!cp->val)
7990 return true;
7991
7992 return false;
7993}
7994
9b80ec5e 7995void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 7996 u8 link_type, u8 addr_type, u8 reason,
7997 bool mgmt_connected)
f7520543 7998{
f0d6a0ea 7999 struct mgmt_ev_device_disconnected ev;
8962ee74 8000 struct sock *sk = NULL;
8962ee74 8001
84c61d92
JH		 8002 /* The connection is still in hci_conn_hash so test for 1
8003 * instead of 0 to know if this is the last one.
8004 */
8005 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8006 cancel_delayed_work(&hdev->power_off);
8007 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 8008 }
8009
12d4a3b2
JH		 8010 if (!mgmt_connected)
8011 return;
8012
57eb776f
AG		 8013 if (link_type != ACL_LINK && link_type != LE_LINK)
8014 return;
8015
744cf19e 8016 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 8017
f0d6a0ea
MA		 8018 bacpy(&ev.addr.bdaddr, bdaddr);
8019 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8020 ev.reason = reason;
f7520543 8021
9b80ec5e 8022 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 8023
8024 if (sk)
d97dcb66 8025 sock_put(sk);
8962ee74 8026
124f6e35 8027 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 8028 hdev);
8962ee74
JH		 8029}
8030
7892924c
MH		 8031void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
8032 u8 link_type, u8 addr_type, u8 status)
8962ee74 8033{
3655bba8
AG		 8034 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
8035 struct mgmt_cp_disconnect *cp;
3b0602cd 8036 struct mgmt_pending_cmd *cmd;
8962ee74 8037
36a75f1b
JD		 8038 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
8039 hdev);
8040
333ae95d 8041 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 8042 if (!cmd)
7892924c 8043 return;
8962ee74 8044
3655bba8
AG		 8045 cp = cmd->param;
8046
8047 if (bacmp(bdaddr, &cp->addr.bdaddr))
8048 return;
8049
8050 if (cp->addr.type != bdaddr_type)
8051 return;
8052
f5818c22 8053 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8054 mgmt_pending_remove(cmd);
f7520543 8055}
17d5c04c 8056
445608d0
MH		 8057void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8058 u8 addr_type, u8 status)
17d5c04c
JH		 8059{
8060 struct mgmt_ev_connect_failed ev;
c9910d0f 8061
84c61d92
JH		 8062 /* The connection is still in hci_conn_hash so test for 1
8063 * instead of 0 to know if this is the last one.
8064 */
8065 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8066 cancel_delayed_work(&hdev->power_off);
8067 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 8068 }
17d5c04c 8069
4c659c39 8070 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8071 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 8072 ev.status = mgmt_status(status);
17d5c04c 8073
445608d0 8074 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 8075}
980e1a53 8076
ce0e4a0d 8077void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 8078{
8079 struct mgmt_ev_pin_code_request ev;
8080
d8457698 8081 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 8082 ev.addr.type = BDADDR_BREDR;
a770bb5a 8083 ev.secure = secure;
980e1a53 8084
ce0e4a0d 8085 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 8086}
8087
e669cf80
MH		 8088void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8089 u8 status)
980e1a53 8090{
3b0602cd 8091 struct mgmt_pending_cmd *cmd;
980e1a53 8092
333ae95d 8093 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 8094 if (!cmd)
e669cf80 8095 return;
980e1a53 8096
7776d1d8 8097 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8098 mgmt_pending_remove(cmd);
980e1a53
JH		 8099}
8100
3eb38528
MH		 8101void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8102 u8 status)
980e1a53 8103{
3b0602cd 8104 struct mgmt_pending_cmd *cmd;
980e1a53 8105
333ae95d 8106 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 8107 if (!cmd)
3eb38528 8108 return;
980e1a53 8109
7776d1d8 8110 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8111 mgmt_pending_remove(cmd);
980e1a53 8112}
a5c29683 8113
744cf19e 8114int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 8115 u8 link_type, u8 addr_type, u32 value,
04124681 8116 u8 confirm_hint)
a5c29683
JH		 8117{
8118 struct mgmt_ev_user_confirm_request ev;
8119
744cf19e 8120 BT_DBG("%s", hdev->name);
a5c29683 8121
272d90df 8122 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8123 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 8124 ev.confirm_hint = confirm_hint;
39adbffe 8125 ev.value = cpu_to_le32(value);
a5c29683 8126
744cf19e 8127 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 8128 NULL);
a5c29683
JH		 8129}
8130
272d90df 8131int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 8132 u8 link_type, u8 addr_type)
604086b7
BG		 8133{
8134 struct mgmt_ev_user_passkey_request ev;
8135
8136 BT_DBG("%s", hdev->name);
8137
272d90df 8138 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8139 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 8140
8141 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 8142 NULL);
604086b7
BG		 8143}
8144
0df4c185 8145static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 8146 u8 link_type, u8 addr_type, u8 status,
8147 u8 opcode)
a5c29683 8148{
3b0602cd 8149 struct mgmt_pending_cmd *cmd;
a5c29683 8150
333ae95d 8151 cmd = pending_find(opcode, hdev);
a5c29683
JH		 8152 if (!cmd)
8153 return -ENOENT;
8154
7776d1d8 8155 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8156 mgmt_pending_remove(cmd);
a5c29683 8157
7776d1d8 8158 return 0;
a5c29683
JH		 8159}
8160
744cf19e 8161int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8162 u8 link_type, u8 addr_type, u8 status)
a5c29683 8163{
272d90df 8164 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8165 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 8166}
8167
272d90df 8168int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8169 u8 link_type, u8 addr_type, u8 status)
a5c29683 8170{
272d90df 8171 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8172 status,
8173 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 8174}
2a611692 8175
604086b7 8176int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8177 u8 link_type, u8 addr_type, u8 status)
604086b7 8178{
272d90df 8179 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8180 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 8181}
8182
272d90df 8183int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8184 u8 link_type, u8 addr_type, u8 status)
604086b7 8185{
272d90df 8186 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8187 status,
8188 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 8189}
8190
92a25256
JH		 8191int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
8192 u8 link_type, u8 addr_type, u32 passkey,
8193 u8 entered)
8194{
8195 struct mgmt_ev_passkey_notify ev;
8196
8197 BT_DBG("%s", hdev->name);
8198
8199 bacpy(&ev.addr.bdaddr, bdaddr);
8200 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8201 ev.passkey = __cpu_to_le32(passkey);
8202 ev.entered = entered;
8203
8204 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
8205}
8206
e1e930f5 8207void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 8208{
8209 struct mgmt_ev_auth_failed ev;
3b0602cd 8210 struct mgmt_pending_cmd *cmd;
e1e930f5 8211 u8 status = mgmt_status(hci_status);
2a611692 8212
e1e930f5
JH		 8213 bacpy(&ev.addr.bdaddr, &conn->dst);
8214 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
8215 ev.status = status;
2a611692 8216
e1e930f5
JH		 8217 cmd = find_pairing(conn);
8218
8219 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
8220 cmd ? cmd->sk : NULL);
8221
a511b35b
JH		 8222 if (cmd) {
8223 cmd->cmd_complete(cmd, status);
8224 mgmt_pending_remove(cmd);
8225 }
2a611692 8226}
b312b161 8227
464996ae 8228void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 8229{
8230 struct cmd_lookup match = { NULL, hdev };
464996ae 8231 bool changed;
33ef95ed
JH		 8232
8233 if (status) {
8234 u8 mgmt_err = mgmt_status(status);
8235 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 8236 cmd_status_rsp, &mgmt_err);
464996ae 8237 return;
33ef95ed
JH		 8238 }
8239
464996ae 8240 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 8241 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 8242 else
a69d8927 8243 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 8244
33ef95ed 8245 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 8246 &match);
33ef95ed 8247
47990ea0 8248 if (changed)
464996ae 8249 new_settings(hdev, match.sk);
33ef95ed
JH		 8250
8251 if (match.sk)
8252 sock_put(match.sk);
33ef95ed
JH		 8253}
8254
890ea898 8255static void clear_eir(struct hci_request *req)
cacaf52f 8256{
890ea898 8257 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 8258 struct hci_cp_write_eir cp;
8259
976eb20e 8260 if (!lmp_ext_inq_capable(hdev))
890ea898 8261 return;
cacaf52f 8262
c80da27e
JH		 8263 memset(hdev->eir, 0, sizeof(hdev->eir));
8264
cacaf52f
JH		 8265 memset(&cp, 0, sizeof(cp));
8266
890ea898 8267 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 8268}
8269
3e248560 8270void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 8271{
8272 struct cmd_lookup match = { NULL, hdev };
890ea898 8273 struct hci_request req;
c0ecddc2 8274 bool changed = false;
ed2c4ee3
JH		 8275
8276 if (status) {
8277 u8 mgmt_err = mgmt_status(status);
c0ecddc2 8278
a69d8927
MH		 8279 if (enable && hci_dev_test_and_clear_flag(hdev,
8280 HCI_SSP_ENABLED)) {
a358dc11 8281 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 8282 new_settings(hdev, NULL);
9ecb3e24 8283 }
c0ecddc2 8284
04124681
GP		 8285 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
8286 &mgmt_err);
3e248560 8287 return;
c0ecddc2
JH		 8288 }
8289
8290 if (enable) {
238be788 8291 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 8292 } else {
a69d8927 8293 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 8294 if (!changed)
a69d8927
MH		 8295 changed = hci_dev_test_and_clear_flag(hdev,
8296 HCI_HS_ENABLED);
9ecb3e24 8297 else
a358dc11 8298 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 8299 }
8300
8301 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
8302
c0ecddc2 8303 if (changed)
3e248560 8304 new_settings(hdev, match.sk);
ed2c4ee3 8305
5fc6ebb1 8306 if (match.sk)
ed2c4ee3
JH		 8307 sock_put(match.sk);
8308
890ea898
JH		 8309 hci_req_init(&req, hdev);
8310
d7a5a11d
MH		 8311 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
8312 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 8313 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
8314 sizeof(enable), &enable);
890ea898 8315 update_eir(&req);
3769972b 8316 } else {
890ea898 8317 clear_eir(&req);
3769972b 8318 }
890ea898
JH		 8319
8320 hci_req_run(&req, NULL);
ed2c4ee3
JH		 8321}
8322
3b0602cd 8323static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 8324{
8325 struct cmd_lookup *match = data;
8326
90e70454
JH		 8327 if (match->sk == NULL) {
8328 match->sk = cmd->sk;
8329 sock_hold(match->sk);
8330 }
90e70454
JH		 8331}
8332
4e1b0245
MH		 8333void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
8334 u8 status)
7f9a903c 8335{
90e70454 8336 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 8337
92da6097
JH		 8338 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
8339 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
8340 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 8341
8342 if (!status)
f6b7712e
MH		 8343 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
8344 dev_class, 3, NULL);
90e70454
JH		 8345
8346 if (match.sk)
8347 sock_put(match.sk);
7f9a903c
MH		 8348}
8349
7667da34 8350void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 8351{
b312b161 8352 struct mgmt_cp_set_local_name ev;
3b0602cd 8353 struct mgmt_pending_cmd *cmd;
28cc7bde 8354
13928971 8355 if (status)
7667da34 8356 return;
b312b161
JH		 8357
8358 memset(&ev, 0, sizeof(ev));
8359 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 8360 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 8361
333ae95d 8362 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 8363 if (!cmd) {
8364 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 8365
13928971
JH		 8366 /* If this is a HCI command related to powering on the
8367 * HCI dev don't send any mgmt signals.
8368 */
333ae95d 8369 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 8370 return;
890ea898 8371 }
b312b161 8372
f6b7712e
MH		 8373 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
8374 cmd ? cmd->sk : NULL);
b312b161 8375}
c35938b2 8376
799ce93d
JP		 8377static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
8378{
8379 int i;
8380
8381 for (i = 0; i < uuid_count; i++) {
8382 if (!memcmp(uuid, uuids[i], 16))
8383 return true;
8384 }
8385
8386 return false;
8387}
8388
b487b9ce
MH		 8389static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
8390{
799ce93d
JP		 8391 u16 parsed = 0;
8392
8393 while (parsed < eir_len) {
8394 u8 field_len = eir[0];
8395 u8 uuid[16];
8396 int i;
8397
8398 if (field_len == 0)
8399 break;
8400
8401 if (eir_len - parsed < field_len + 1)
8402 break;
8403
8404 switch (eir[1]) {
8405 case EIR_UUID16_ALL:
8406 case EIR_UUID16_SOME:
8407 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 8408 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8409 uuid[13] = eir[i + 3];
8410 uuid[12] = eir[i + 2];
8411 if (has_uuid(uuid, uuid_count, uuids))
8412 return true;
8413 }
8414 break;
8415 case EIR_UUID32_ALL:
8416 case EIR_UUID32_SOME:
8417 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 8418 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8419 uuid[15] = eir[i + 5];
8420 uuid[14] = eir[i + 4];
8421 uuid[13] = eir[i + 3];
8422 uuid[12] = eir[i + 2];
8423 if (has_uuid(uuid, uuid_count, uuids))
8424 return true;
8425 }
8426 break;
8427 case EIR_UUID128_ALL:
8428 case EIR_UUID128_SOME:
8429 for (i = 0; i + 17 <= field_len; i += 16) {
8430 memcpy(uuid, eir + i + 2, 16);
8431 if (has_uuid(uuid, uuid_count, uuids))
8432 return true;
8433 }
8434 break;
8435 }
8436
8437 parsed += field_len + 1;
8438 eir += field_len + 1;
8439 }
8440
b487b9ce
MH		 8441 return false;
8442}
8443
4b0e0ced
JP		 8444static void restart_le_scan(struct hci_dev *hdev)
8445{
8446 /* If controller is not scanning we are done. */
d7a5a11d 8447 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 8448 return;
8449
8450 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
8451 hdev->discovery.scan_start +
8452 hdev->discovery.scan_duration))
8453 return;
8454
8455 queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
8456 DISCOV_LE_RESTART_DELAY);
8457}
8458
48f86b7f
JP		 8459static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
8460 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 8461{
48f86b7f
JP		 8462 /* If a RSSI threshold has been specified, and
8463 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
8464 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
8465 * is set, let it through for further processing, as we might need to
8466 * restart the scan.
efb2513f
MH		 8467 *
8468 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
8469 * the results are also dropped.
bda157a4
MH		 8470 */
8471 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 8472 (rssi == HCI_RSSI_INVALID ||
8473 (rssi < hdev->discovery.rssi &&
8474 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 8475 return false;
efb2513f 8476
2976cdeb
JP		 8477 if (hdev->discovery.uuid_count != 0) {
8478 /* If a list of UUIDs is provided in filter, results with no
8479 * matching UUID should be dropped.
b487b9ce 8480 */
2976cdeb
JP		 8481 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
8482 hdev->discovery.uuids) &&
8483 !eir_has_uuids(scan_rsp, scan_rsp_len,
8484 hdev->discovery.uuid_count,
8485 hdev->discovery.uuids))
8486 return false;
b487b9ce 8487 }
5d2e9fad 8488
2976cdeb
JP		 8489 /* If duplicate filtering does not report RSSI changes, then restart
8490 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 8491 */
2976cdeb
JP		 8492 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
8493 restart_le_scan(hdev);
8494
8495 /* Validate RSSI value against the RSSI threshold once more. */
8496 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8497 rssi < hdev->discovery.rssi)
8498 return false;
8499 }
48f86b7f
JP		 8500
8501 return true;
8502}
8503
8504void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8505 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
8506 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8507{
8508 char buf[512];
8509 struct mgmt_ev_device_found *ev = (void *)buf;
8510 size_t ev_size;
8511
8512 /* Don't send events for a non-kernel initiated discovery. With
8513 * LE one exception is if we have pend_le_reports > 0 in which
8514 * case we're doing passive scanning and want these events.
8515 */
8516 if (!hci_discovery_active(hdev)) {
8517 if (link_type == ACL_LINK)
8518 return;
8519 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
8520 return;
8521 }
8522
82f8b651 8523 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 8524 /* We are using service discovery */
8525 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
8526 scan_rsp_len))
8527 return;
8528 }
8529
8530 /* Make sure that the buffer is big enough. The 5 extra bytes
8531 * are for the potential CoD field.
8532 */
8533 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 8534 return;
8535
48f86b7f
JP		 8536 memset(buf, 0, sizeof(buf));
8537
8538 /* In case of device discovery with BR/EDR devices (pre 1.2), the
8539 * RSSI value was reported as 0 when not available. This behavior
8540 * is kept when using device discovery. This is required for full
8541 * backwards compatibility with the API.
8542 *
8543 * However when using service discovery, the value 127 will be
8544 * returned when the RSSI is not available.
8545 */
8546 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
8547 link_type == ACL_LINK)
8548 rssi = 0;
8549
8550 bacpy(&ev->addr.bdaddr, bdaddr);
8551 ev->addr.type = link_to_bdaddr(link_type, addr_type);
8552 ev->rssi = rssi;
8553 ev->flags = cpu_to_le32(flags);
8554
8555 if (eir_len > 0)
8556 /* Copy EIR or advertising data into event */
8557 memcpy(ev->eir, eir, eir_len);
8558
8559 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
8560 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
8561 dev_class, 3);
8562
8563 if (scan_rsp_len > 0)
8564 /* Append scan response data to event */
8565 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
8566
5d2e9fad
JH		 8567 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
8568 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 8569
901801b9 8570 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 8571}
a88a9652 8572
9cf12aee
MH		 8573void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8574 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 8575{
b644ba33
JH		 8576 struct mgmt_ev_device_found *ev;
8577 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
8578 u16 eir_len;
a88a9652 8579
b644ba33 8580 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 8581
b644ba33
JH		 8582 memset(buf, 0, sizeof(buf));
8583
8584 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 8585 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 8586 ev->rssi = rssi;
8587
8588 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 8589 name_len);
b644ba33 8590
eb55ef07 8591 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 8592
9cf12aee 8593 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 8594}
314b2381 8595
2f1e063b 8596void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 8597{
f963e8e9 8598 struct mgmt_ev_discovering ev;
164a6e78 8599
343fb145
AG		 8600 BT_DBG("%s discovering %u", hdev->name, discovering);
8601
f963e8e9
JH		 8602 memset(&ev, 0, sizeof(ev));
8603 ev.type = hdev->discovery.type;
8604 ev.discovering = discovering;
8605
2f1e063b 8606 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 8607}
5e762444 8608
1904a853 8609static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5976e608
MH		 8610{
8611 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 8612}
8613
8614void mgmt_reenable_advertising(struct hci_dev *hdev)
8615{
8616 struct hci_request req;
eb6f95f9 8617 u8 instance;
5976e608 8618
24b4f38f
AU		 8619 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
8620 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
5976e608
MH		 8621 return;
8622
eb6f95f9
FG		 8623 instance = get_current_adv_instance(hdev);
8624
5976e608 8625 hci_req_init(&req, hdev);
eb6f95f9
FG		 8626
8627 if (instance) {
8628 schedule_adv_instance(&req, instance, true);
8629 } else {
8630 update_adv_data(&req);
8631 update_scan_rsp_data(&req);
8632 enable_advertising(&req);
8633 }
8634
0ec5ae84 8635 hci_req_run(&req, adv_enable_complete);
5976e608 8636}
6d785aa3
JH		 8637
8638static struct hci_mgmt_chan chan = {
8639 .channel = HCI_CHANNEL_CONTROL,
8640 .handler_count = ARRAY_SIZE(mgmt_handlers),
8641 .handlers = mgmt_handlers,
88b94ce9 8642 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 8643};
8644
8645int mgmt_init(void)
8646{
8647 return hci_mgmt_chan_register(&chan);
8648}
8649
8650void mgmt_exit(void)
8651{
8652 hci_mgmt_chan_unregister(&chan);
8653}
Linux kernel - Deliverables
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