Merge tag 'v3.10.55' into update
[GitHub/mt8127/android_kernel_alcatel_ttab.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>
32#include <net/bluetooth/mgmt.h>
5fe57d9e 33#include <net/bluetooth/smp.h>
0381101f 34
d7b7e796 35bool enable_hs;
d7b7e796 36
2da9c55c 37#define MGMT_VERSION 1
3810285c 38#define MGMT_REVISION 3
02d98129 39
e70bb2e8
JH
40static const u16 mgmt_commands[] = {
41 MGMT_OP_READ_INDEX_LIST,
42 MGMT_OP_READ_INFO,
43 MGMT_OP_SET_POWERED,
44 MGMT_OP_SET_DISCOVERABLE,
45 MGMT_OP_SET_CONNECTABLE,
46 MGMT_OP_SET_FAST_CONNECTABLE,
47 MGMT_OP_SET_PAIRABLE,
48 MGMT_OP_SET_LINK_SECURITY,
49 MGMT_OP_SET_SSP,
50 MGMT_OP_SET_HS,
51 MGMT_OP_SET_LE,
52 MGMT_OP_SET_DEV_CLASS,
53 MGMT_OP_SET_LOCAL_NAME,
54 MGMT_OP_ADD_UUID,
55 MGMT_OP_REMOVE_UUID,
56 MGMT_OP_LOAD_LINK_KEYS,
57 MGMT_OP_LOAD_LONG_TERM_KEYS,
58 MGMT_OP_DISCONNECT,
59 MGMT_OP_GET_CONNECTIONS,
60 MGMT_OP_PIN_CODE_REPLY,
61 MGMT_OP_PIN_CODE_NEG_REPLY,
62 MGMT_OP_SET_IO_CAPABILITY,
63 MGMT_OP_PAIR_DEVICE,
64 MGMT_OP_CANCEL_PAIR_DEVICE,
65 MGMT_OP_UNPAIR_DEVICE,
66 MGMT_OP_USER_CONFIRM_REPLY,
67 MGMT_OP_USER_CONFIRM_NEG_REPLY,
68 MGMT_OP_USER_PASSKEY_REPLY,
69 MGMT_OP_USER_PASSKEY_NEG_REPLY,
70 MGMT_OP_READ_LOCAL_OOB_DATA,
71 MGMT_OP_ADD_REMOTE_OOB_DATA,
72 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
73 MGMT_OP_START_DISCOVERY,
74 MGMT_OP_STOP_DISCOVERY,
75 MGMT_OP_CONFIRM_NAME,
76 MGMT_OP_BLOCK_DEVICE,
77 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 78 MGMT_OP_SET_DEVICE_ID,
e70bb2e8
JH
79};
80
81static const u16 mgmt_events[] = {
82 MGMT_EV_CONTROLLER_ERROR,
83 MGMT_EV_INDEX_ADDED,
84 MGMT_EV_INDEX_REMOVED,
85 MGMT_EV_NEW_SETTINGS,
86 MGMT_EV_CLASS_OF_DEV_CHANGED,
87 MGMT_EV_LOCAL_NAME_CHANGED,
88 MGMT_EV_NEW_LINK_KEY,
89 MGMT_EV_NEW_LONG_TERM_KEY,
90 MGMT_EV_DEVICE_CONNECTED,
91 MGMT_EV_DEVICE_DISCONNECTED,
92 MGMT_EV_CONNECT_FAILED,
93 MGMT_EV_PIN_CODE_REQUEST,
94 MGMT_EV_USER_CONFIRM_REQUEST,
95 MGMT_EV_USER_PASSKEY_REQUEST,
96 MGMT_EV_AUTH_FAILED,
97 MGMT_EV_DEVICE_FOUND,
98 MGMT_EV_DISCOVERING,
99 MGMT_EV_DEVICE_BLOCKED,
100 MGMT_EV_DEVICE_UNBLOCKED,
101 MGMT_EV_DEVICE_UNPAIRED,
92a25256 102 MGMT_EV_PASSKEY_NOTIFY,
e70bb2e8
JH
103};
104
3fd24153
AG
105/*
106 * These LE scan and inquiry parameters were chosen according to LE General
107 * Discovery Procedure specification.
108 */
3fd24153
AG
109#define LE_SCAN_WIN 0x12
110#define LE_SCAN_INT 0x12
b6c7515a
AG
111#define LE_SCAN_TIMEOUT_LE_ONLY msecs_to_jiffies(10240)
112#define LE_SCAN_TIMEOUT_BREDR_LE msecs_to_jiffies(5120)
3fd24153 113
e8777525 114#define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */
5e0452c0 115#define INQUIRY_LEN_BREDR_LE 0x04 /* TGAP(100)/2 */
2519a1fc 116
17b02e62 117#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 118
4b34ee78
JH
119#define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \
120 !test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
121
eec8d2bc
JH
122struct pending_cmd {
123 struct list_head list;
fc2f4b13 124 u16 opcode;
eec8d2bc 125 int index;
c68fb7ff 126 void *param;
eec8d2bc 127 struct sock *sk;
e9a416b5 128 void *user_data;
eec8d2bc
JH
129};
130
ca69b795
JH
131/* HCI to MGMT error code conversion table */
132static u8 mgmt_status_table[] = {
133 MGMT_STATUS_SUCCESS,
134 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
135 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
136 MGMT_STATUS_FAILED, /* Hardware Failure */
137 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
138 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
139 MGMT_STATUS_NOT_PAIRED, /* PIN or Key Missing */
140 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
141 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
142 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
143 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
144 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
145 MGMT_STATUS_BUSY, /* Command Disallowed */
146 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
147 MGMT_STATUS_REJECTED, /* Rejected Security */
148 MGMT_STATUS_REJECTED, /* Rejected Personal */
149 MGMT_STATUS_TIMEOUT, /* Host Timeout */
150 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
151 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
152 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
153 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
154 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
155 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
156 MGMT_STATUS_BUSY, /* Repeated Attempts */
157 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
158 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
159 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
160 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
161 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
162 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
163 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
164 MGMT_STATUS_FAILED, /* Unspecified Error */
165 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
166 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
167 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
168 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
169 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
170 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
171 MGMT_STATUS_FAILED, /* Unit Link Key Used */
172 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
173 MGMT_STATUS_TIMEOUT, /* Instant Passed */
174 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
175 MGMT_STATUS_FAILED, /* Transaction Collision */
176 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
177 MGMT_STATUS_REJECTED, /* QoS Rejected */
178 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
179 MGMT_STATUS_REJECTED, /* Insufficient Security */
180 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
181 MGMT_STATUS_BUSY, /* Role Switch Pending */
182 MGMT_STATUS_FAILED, /* Slot Violation */
183 MGMT_STATUS_FAILED, /* Role Switch Failed */
184 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
185 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
186 MGMT_STATUS_BUSY, /* Host Busy Pairing */
187 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
188 MGMT_STATUS_BUSY, /* Controller Busy */
189 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
190 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
191 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
192 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
193 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
194};
195
bb4b2a9a
AE
196bool mgmt_valid_hdev(struct hci_dev *hdev)
197{
198 return hdev->dev_type == HCI_BREDR;
199}
200
ca69b795
JH
201static u8 mgmt_status(u8 hci_status)
202{
203 if (hci_status < ARRAY_SIZE(mgmt_status_table))
204 return mgmt_status_table[hci_status];
205
206 return MGMT_STATUS_FAILED;
207}
208
4e51eae9 209static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
f7b64e69
JH
210{
211 struct sk_buff *skb;
212 struct mgmt_hdr *hdr;
213 struct mgmt_ev_cmd_status *ev;
56b7d137 214 int err;
f7b64e69 215
34eb525c 216 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
f7b64e69 217
790eff44 218 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL);
f7b64e69
JH
219 if (!skb)
220 return -ENOMEM;
221
222 hdr = (void *) skb_put(skb, sizeof(*hdr));
223
612dfce9 224 hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_STATUS);
4e51eae9 225 hdr->index = cpu_to_le16(index);
f7b64e69
JH
226 hdr->len = cpu_to_le16(sizeof(*ev));
227
228 ev = (void *) skb_put(skb, sizeof(*ev));
229 ev->status = status;
eb55ef07 230 ev->opcode = cpu_to_le16(cmd);
f7b64e69 231
56b7d137
GP
232 err = sock_queue_rcv_skb(sk, skb);
233 if (err < 0)
f7b64e69
JH
234 kfree_skb(skb);
235
56b7d137 236 return err;
f7b64e69
JH
237}
238
aee9b218 239static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
04124681 240 void *rp, size_t rp_len)
02d98129
JH
241{
242 struct sk_buff *skb;
243 struct mgmt_hdr *hdr;
244 struct mgmt_ev_cmd_complete *ev;
56b7d137 245 int err;
02d98129
JH
246
247 BT_DBG("sock %p", sk);
248
790eff44 249 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL);
02d98129
JH
250 if (!skb)
251 return -ENOMEM;
252
253 hdr = (void *) skb_put(skb, sizeof(*hdr));
02d98129 254
612dfce9 255 hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_COMPLETE);
4e51eae9 256 hdr->index = cpu_to_le16(index);
a38528f1 257 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
02d98129 258
a38528f1 259 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
eb55ef07 260 ev->opcode = cpu_to_le16(cmd);
aee9b218 261 ev->status = status;
8020c16a
SJ
262
263 if (rp)
264 memcpy(ev->data, rp, rp_len);
02d98129 265
56b7d137
GP
266 err = sock_queue_rcv_skb(sk, skb);
267 if (err < 0)
02d98129
JH
268 kfree_skb(skb);
269
e5f0e151 270 return err;
02d98129
JH
271}
272
04124681
GP
273static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
274 u16 data_len)
a38528f1
JH
275{
276 struct mgmt_rp_read_version rp;
277
278 BT_DBG("sock %p", sk);
279
280 rp.version = MGMT_VERSION;
eb55ef07 281 rp.revision = __constant_cpu_to_le16(MGMT_REVISION);
a38528f1 282
aee9b218 283 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
04124681 284 sizeof(rp));
a38528f1
JH
285}
286
04124681
GP
287static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
288 u16 data_len)
e70bb2e8
JH
289{
290 struct mgmt_rp_read_commands *rp;
eb55ef07
MH
291 const u16 num_commands = ARRAY_SIZE(mgmt_commands);
292 const u16 num_events = ARRAY_SIZE(mgmt_events);
2e3c35ea 293 __le16 *opcode;
e70bb2e8
JH
294 size_t rp_size;
295 int i, err;
296
297 BT_DBG("sock %p", sk);
298
299 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
300
301 rp = kmalloc(rp_size, GFP_KERNEL);
302 if (!rp)
303 return -ENOMEM;
304
eb55ef07
MH
305 rp->num_commands = __constant_cpu_to_le16(num_commands);
306 rp->num_events = __constant_cpu_to_le16(num_events);
e70bb2e8
JH
307
308 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
309 put_unaligned_le16(mgmt_commands[i], opcode);
310
311 for (i = 0; i < num_events; i++, opcode++)
312 put_unaligned_le16(mgmt_events[i], opcode);
313
aee9b218 314 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
04124681 315 rp_size);
e70bb2e8
JH
316 kfree(rp);
317
318 return err;
319}
320
04124681
GP
321static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
322 u16 data_len)
faba42eb 323{
faba42eb 324 struct mgmt_rp_read_index_list *rp;
8035ded4 325 struct hci_dev *d;
a38528f1 326 size_t rp_len;
faba42eb 327 u16 count;
476e44cb 328 int err;
faba42eb
JH
329
330 BT_DBG("sock %p", sk);
331
332 read_lock(&hci_dev_list_lock);
333
334 count = 0;
bb4b2a9a
AE
335 list_for_each_entry(d, &hci_dev_list, list) {
336 if (!mgmt_valid_hdev(d))
337 continue;
338
faba42eb
JH
339 count++;
340 }
341
a38528f1
JH
342 rp_len = sizeof(*rp) + (2 * count);
343 rp = kmalloc(rp_len, GFP_ATOMIC);
344 if (!rp) {
b2c60d42 345 read_unlock(&hci_dev_list_lock);
faba42eb 346 return -ENOMEM;
b2c60d42 347 }
faba42eb 348
476e44cb 349 count = 0;
8035ded4 350 list_for_each_entry(d, &hci_dev_list, list) {
a8b2d5c2 351 if (test_bit(HCI_SETUP, &d->dev_flags))
ab81cbf9
JH
352 continue;
353
bb4b2a9a
AE
354 if (!mgmt_valid_hdev(d))
355 continue;
356
476e44cb 357 rp->index[count++] = cpu_to_le16(d->id);
faba42eb
JH
358 BT_DBG("Added hci%u", d->id);
359 }
360
476e44cb
JH
361 rp->num_controllers = cpu_to_le16(count);
362 rp_len = sizeof(*rp) + (2 * count);
363
faba42eb
JH
364 read_unlock(&hci_dev_list_lock);
365
aee9b218 366 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
04124681 367 rp_len);
faba42eb 368
a38528f1
JH
369 kfree(rp);
370
371 return err;
faba42eb
JH
372}
373
69ab39ea
JH
374static u32 get_supported_settings(struct hci_dev *hdev)
375{
376 u32 settings = 0;
377
378 settings |= MGMT_SETTING_POWERED;
69ab39ea
JH
379 settings |= MGMT_SETTING_PAIRABLE;
380
9a1a1996 381 if (lmp_ssp_capable(hdev))
69ab39ea
JH
382 settings |= MGMT_SETTING_SSP;
383
ed3fa31f 384 if (lmp_bredr_capable(hdev)) {
33c525c0 385 settings |= MGMT_SETTING_CONNECTABLE;
1a47aee8
JH
386 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
387 settings |= MGMT_SETTING_FAST_CONNECTABLE;
33c525c0 388 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea
JH
389 settings |= MGMT_SETTING_BREDR;
390 settings |= MGMT_SETTING_LINK_SECURITY;
391 }
392
d7b7e796
MH
393 if (enable_hs)
394 settings |= MGMT_SETTING_HS;
395
c383ddc4 396 if (lmp_le_capable(hdev))
9d42820f 397 settings |= MGMT_SETTING_LE;
69ab39ea
JH
398
399 return settings;
400}
401
402static u32 get_current_settings(struct hci_dev *hdev)
403{
404 u32 settings = 0;
405
f1f0eb02 406 if (hdev_is_powered(hdev))
f0d4b78a
MH
407 settings |= MGMT_SETTING_POWERED;
408
5e5282bb 409 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
69ab39ea
JH
410 settings |= MGMT_SETTING_CONNECTABLE;
411
1a4d3c4b
JH
412 if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
413 settings |= MGMT_SETTING_FAST_CONNECTABLE;
414
5e5282bb 415 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
69ab39ea
JH
416 settings |= MGMT_SETTING_DISCOVERABLE;
417
a8b2d5c2 418 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags))
69ab39ea
JH
419 settings |= MGMT_SETTING_PAIRABLE;
420
ed3fa31f 421 if (lmp_bredr_capable(hdev))
69ab39ea
JH
422 settings |= MGMT_SETTING_BREDR;
423
06199cf8 424 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
69ab39ea
JH
425 settings |= MGMT_SETTING_LE;
426
47990ea0 427 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
69ab39ea
JH
428 settings |= MGMT_SETTING_LINK_SECURITY;
429
84bde9d6 430 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
69ab39ea
JH
431 settings |= MGMT_SETTING_SSP;
432
6d80dfd0
JH
433 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
434 settings |= MGMT_SETTING_HS;
435
69ab39ea
JH
436 return settings;
437}
438
ef580372
JH
439#define PNP_INFO_SVCLASS_ID 0x1200
440
213202ed
JH
441static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
442{
443 u8 *ptr = data, *uuids_start = NULL;
444 struct bt_uuid *uuid;
445
446 if (len < 4)
447 return ptr;
448
449 list_for_each_entry(uuid, &hdev->uuids, list) {
450 u16 uuid16;
451
452 if (uuid->size != 16)
453 continue;
454
455 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
456 if (uuid16 < 0x1100)
457 continue;
458
459 if (uuid16 == PNP_INFO_SVCLASS_ID)
460 continue;
461
462 if (!uuids_start) {
463 uuids_start = ptr;
464 uuids_start[0] = 1;
465 uuids_start[1] = EIR_UUID16_ALL;
466 ptr += 2;
467 }
468
469 /* Stop if not enough space to put next UUID */
470 if ((ptr - data) + sizeof(u16) > len) {
471 uuids_start[1] = EIR_UUID16_SOME;
472 break;
473 }
474
475 *ptr++ = (uuid16 & 0x00ff);
476 *ptr++ = (uuid16 & 0xff00) >> 8;
477 uuids_start[0] += sizeof(uuid16);
478 }
479
480 return ptr;
481}
482
cdf1963f
JH
483static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
484{
485 u8 *ptr = data, *uuids_start = NULL;
486 struct bt_uuid *uuid;
487
488 if (len < 6)
489 return ptr;
490
491 list_for_each_entry(uuid, &hdev->uuids, list) {
492 if (uuid->size != 32)
493 continue;
494
495 if (!uuids_start) {
496 uuids_start = ptr;
497 uuids_start[0] = 1;
498 uuids_start[1] = EIR_UUID32_ALL;
499 ptr += 2;
500 }
501
502 /* Stop if not enough space to put next UUID */
503 if ((ptr - data) + sizeof(u32) > len) {
504 uuids_start[1] = EIR_UUID32_SOME;
505 break;
506 }
507
508 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
509 ptr += sizeof(u32);
510 uuids_start[0] += sizeof(u32);
511 }
512
513 return ptr;
514}
515
c00d575b
JH
516static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
517{
518 u8 *ptr = data, *uuids_start = NULL;
519 struct bt_uuid *uuid;
520
521 if (len < 18)
522 return ptr;
523
524 list_for_each_entry(uuid, &hdev->uuids, list) {
525 if (uuid->size != 128)
526 continue;
527
528 if (!uuids_start) {
529 uuids_start = ptr;
530 uuids_start[0] = 1;
531 uuids_start[1] = EIR_UUID128_ALL;
532 ptr += 2;
533 }
534
535 /* Stop if not enough space to put next UUID */
536 if ((ptr - data) + 16 > len) {
537 uuids_start[1] = EIR_UUID128_SOME;
538 break;
539 }
540
541 memcpy(ptr, uuid->uuid, 16);
542 ptr += 16;
543 uuids_start[0] += 16;
544 }
545
546 return ptr;
547}
548
ef580372
JH
549static void create_eir(struct hci_dev *hdev, u8 *data)
550{
551 u8 *ptr = data;
ef580372
JH
552 size_t name_len;
553
554 name_len = strlen(hdev->dev_name);
555
556 if (name_len > 0) {
557 /* EIR Data type */
558 if (name_len > 48) {
559 name_len = 48;
560 ptr[1] = EIR_NAME_SHORT;
561 } else
562 ptr[1] = EIR_NAME_COMPLETE;
563
564 /* EIR Data length */
565 ptr[0] = name_len + 1;
566
567 memcpy(ptr + 2, hdev->dev_name, name_len);
568
ef580372
JH
569 ptr += (name_len + 2);
570 }
571
bbaf444a 572 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH
573 ptr[0] = 2;
574 ptr[1] = EIR_TX_POWER;
575 ptr[2] = (u8) hdev->inq_tx_power;
576
91c4e9b1
MH
577 ptr += 3;
578 }
579
2b9be137
MH
580 if (hdev->devid_source > 0) {
581 ptr[0] = 9;
582 ptr[1] = EIR_DEVICE_ID;
583
584 put_unaligned_le16(hdev->devid_source, ptr + 2);
585 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
586 put_unaligned_le16(hdev->devid_product, ptr + 6);
587 put_unaligned_le16(hdev->devid_version, ptr + 8);
588
2b9be137
MH
589 ptr += 10;
590 }
591
213202ed 592 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 593 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 594 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH
595}
596
890ea898 597static void update_eir(struct hci_request *req)
ef580372 598{
890ea898 599 struct hci_dev *hdev = req->hdev;
ef580372
JH
600 struct hci_cp_write_eir cp;
601
504c8dcd 602 if (!hdev_is_powered(hdev))
890ea898 603 return;
7770c4aa 604
976eb20e 605 if (!lmp_ext_inq_capable(hdev))
890ea898 606 return;
ef580372 607
84bde9d6 608 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 609 return;
ef580372 610
a8b2d5c2 611 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 612 return;
ef580372
JH
613
614 memset(&cp, 0, sizeof(cp));
615
616 create_eir(hdev, cp.data);
617
618 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 619 return;
ef580372
JH
620
621 memcpy(hdev->eir, cp.data, sizeof(cp.data));
622
890ea898 623 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH
624}
625
626static u8 get_service_classes(struct hci_dev *hdev)
627{
628 struct bt_uuid *uuid;
629 u8 val = 0;
630
631 list_for_each_entry(uuid, &hdev->uuids, list)
632 val |= uuid->svc_hint;
633
634 return val;
635}
636
890ea898 637static void update_class(struct hci_request *req)
ef580372 638{
890ea898 639 struct hci_dev *hdev = req->hdev;
ef580372
JH
640 u8 cod[3];
641
642 BT_DBG("%s", hdev->name);
643
504c8dcd 644 if (!hdev_is_powered(hdev))
890ea898 645 return;
7770c4aa 646
a8b2d5c2 647 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 648 return;
ef580372
JH
649
650 cod[0] = hdev->minor_class;
651 cod[1] = hdev->major_class;
652 cod[2] = get_service_classes(hdev);
653
654 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 655 return;
ef580372 656
890ea898 657 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH
658}
659
7d78525d
JH
660static void service_cache_off(struct work_struct *work)
661{
662 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 663 service_cache.work);
890ea898 664 struct hci_request req;
7d78525d 665
a8b2d5c2 666 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
7d78525d
JH
667 return;
668
890ea898
JH
669 hci_req_init(&req, hdev);
670
7d78525d
JH
671 hci_dev_lock(hdev);
672
890ea898
JH
673 update_eir(&req);
674 update_class(&req);
7d78525d
JH
675
676 hci_dev_unlock(hdev);
890ea898
JH
677
678 hci_req_run(&req, NULL);
7d78525d
JH
679}
680
6a919082 681static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 682{
4f87da80 683 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
6a919082
JH
684 return;
685
4f87da80 686 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
7d78525d 687
4f87da80
JH
688 /* Non-mgmt controlled devices get this bit set
689 * implicitly so that pairing works for them, however
690 * for mgmt we require user-space to explicitly enable
691 * it
692 */
693 clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
7d78525d
JH
694}
695
0f4e68cf 696static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 697 void *data, u16 data_len)
0381101f 698{
a38528f1 699 struct mgmt_rp_read_info rp;
f7b64e69 700
bdb6d971 701 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 702
09fd0de5 703 hci_dev_lock(hdev);
f7b64e69 704
dc4fe30b
JH
705 memset(&rp, 0, sizeof(rp));
706
69ab39ea 707 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 708
69ab39ea 709 rp.version = hdev->hci_ver;
eb55ef07 710 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH
711
712 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
713 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 714
a38528f1 715 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 716
dc4fe30b 717 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 718 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 719
09fd0de5 720 hci_dev_unlock(hdev);
0381101f 721
bdb6d971 722 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
04124681 723 sizeof(rp));
0381101f
JH
724}
725
eec8d2bc
JH
726static void mgmt_pending_free(struct pending_cmd *cmd)
727{
728 sock_put(cmd->sk);
c68fb7ff 729 kfree(cmd->param);
eec8d2bc
JH
730 kfree(cmd);
731}
732
366a0336 733static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
04124681
GP
734 struct hci_dev *hdev, void *data,
735 u16 len)
eec8d2bc
JH
736{
737 struct pending_cmd *cmd;
738
12b94565 739 cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
eec8d2bc 740 if (!cmd)
366a0336 741 return NULL;
eec8d2bc
JH
742
743 cmd->opcode = opcode;
2e58ef3e 744 cmd->index = hdev->id;
eec8d2bc 745
12b94565 746 cmd->param = kmalloc(len, GFP_KERNEL);
c68fb7ff 747 if (!cmd->param) {
eec8d2bc 748 kfree(cmd);
366a0336 749 return NULL;
eec8d2bc
JH
750 }
751
8fce6357
SJ
752 if (data)
753 memcpy(cmd->param, data, len);
eec8d2bc
JH
754
755 cmd->sk = sk;
756 sock_hold(sk);
757
2e58ef3e 758 list_add(&cmd->list, &hdev->mgmt_pending);
eec8d2bc 759
366a0336 760 return cmd;
eec8d2bc
JH
761}
762
744cf19e 763static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
8fc9ced3
GP
764 void (*cb)(struct pending_cmd *cmd,
765 void *data),
04124681 766 void *data)
eec8d2bc 767{
a3d09356 768 struct pending_cmd *cmd, *tmp;
eec8d2bc 769
a3d09356 770 list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
b24752fe 771 if (opcode > 0 && cmd->opcode != opcode)
eec8d2bc
JH
772 continue;
773
eec8d2bc
JH
774 cb(cmd, data);
775 }
776}
777
2e58ef3e 778static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
eec8d2bc 779{
8035ded4 780 struct pending_cmd *cmd;
eec8d2bc 781
2e58ef3e 782 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2aeabcbe
JH
783 if (cmd->opcode == opcode)
784 return cmd;
eec8d2bc
JH
785 }
786
787 return NULL;
788}
789
a664b5bc 790static void mgmt_pending_remove(struct pending_cmd *cmd)
73f22f62 791{
73f22f62
JH
792 list_del(&cmd->list);
793 mgmt_pending_free(cmd);
794}
795
69ab39ea 796static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 797{
69ab39ea 798 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 799
aee9b218 800 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
04124681 801 sizeof(settings));
8680570b
JH
802}
803
bdb6d971 804static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 805 u16 len)
eec8d2bc 806{
650f726d 807 struct mgmt_mode *cp = data;
366a0336 808 struct pending_cmd *cmd;
4b34ee78 809 int err;
eec8d2bc 810
bdb6d971 811 BT_DBG("request for %s", hdev->name);
eec8d2bc 812
a7e80f25
JH
813 if (cp->val != 0x00 && cp->val != 0x01)
814 return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
815 MGMT_STATUS_INVALID_PARAMS);
816
09fd0de5 817 hci_dev_lock(hdev);
eec8d2bc 818
f0d4b78a
MH
819 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
820 cancel_delayed_work(&hdev->power_off);
821
822 if (cp->val) {
a1d70450
JH
823 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
824 data, len);
825 err = mgmt_powered(hdev, 1);
f0d4b78a
MH
826 goto failed;
827 }
828 }
829
4b34ee78 830 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 831 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH
832 goto failed;
833 }
834
2e58ef3e 835 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
bdb6d971 836 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
04124681 837 MGMT_STATUS_BUSY);
eec8d2bc
JH
838 goto failed;
839 }
840
2e58ef3e 841 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH
842 if (!cmd) {
843 err = -ENOMEM;
eec8d2bc 844 goto failed;
366a0336 845 }
eec8d2bc 846
72a734ec 847 if (cp->val)
19202573 848 queue_work(hdev->req_workqueue, &hdev->power_on);
eec8d2bc 849 else
19202573 850 queue_work(hdev->req_workqueue, &hdev->power_off.work);
eec8d2bc 851
366a0336 852 err = 0;
eec8d2bc
JH
853
854failed:
09fd0de5 855 hci_dev_unlock(hdev);
366a0336 856 return err;
eec8d2bc
JH
857}
858
04124681
GP
859static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
860 struct sock *skip_sk)
beadb2bd
JH
861{
862 struct sk_buff *skb;
863 struct mgmt_hdr *hdr;
864
790eff44 865 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
beadb2bd
JH
866 if (!skb)
867 return -ENOMEM;
868
869 hdr = (void *) skb_put(skb, sizeof(*hdr));
870 hdr->opcode = cpu_to_le16(event);
871 if (hdev)
872 hdr->index = cpu_to_le16(hdev->id);
873 else
612dfce9 874 hdr->index = __constant_cpu_to_le16(MGMT_INDEX_NONE);
beadb2bd
JH
875 hdr->len = cpu_to_le16(data_len);
876
877 if (data)
878 memcpy(skb_put(skb, data_len), data, data_len);
879
97e0bdeb
MH
880 /* Time stamp */
881 __net_timestamp(skb);
882
beadb2bd
JH
883 hci_send_to_control(skb, skip_sk);
884 kfree_skb(skb);
885
886 return 0;
887}
888
889static int new_settings(struct hci_dev *hdev, struct sock *skip)
890{
891 __le32 ev;
892
893 ev = cpu_to_le32(get_current_settings(hdev));
894
895 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
896}
897
bdb6d971 898static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 899 u16 len)
73f22f62 900{
650f726d 901 struct mgmt_cp_set_discoverable *cp = data;
366a0336 902 struct pending_cmd *cmd;
5e5282bb 903 u16 timeout;
73f22f62
JH
904 u8 scan;
905 int err;
906
bdb6d971 907 BT_DBG("request for %s", hdev->name);
73f22f62 908
33c525c0
JH
909 if (!lmp_bredr_capable(hdev))
910 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
911 MGMT_STATUS_NOT_SUPPORTED);
912
a7e80f25
JH
913 if (cp->val != 0x00 && cp->val != 0x01)
914 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
915 MGMT_STATUS_INVALID_PARAMS);
916
1f350c87 917 timeout = __le16_to_cpu(cp->timeout);
24c54a90 918 if (!cp->val && timeout > 0)
bdb6d971 919 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 920 MGMT_STATUS_INVALID_PARAMS);
73f22f62 921
09fd0de5 922 hci_dev_lock(hdev);
73f22f62 923
5e5282bb 924 if (!hdev_is_powered(hdev) && timeout > 0) {
bdb6d971 925 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 926 MGMT_STATUS_NOT_POWERED);
73f22f62
JH
927 goto failed;
928 }
929
2e58ef3e 930 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 931 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 932 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 933 MGMT_STATUS_BUSY);
73f22f62
JH
934 goto failed;
935 }
936
5e5282bb 937 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
bdb6d971 938 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 939 MGMT_STATUS_REJECTED);
5e5282bb
JH
940 goto failed;
941 }
942
943 if (!hdev_is_powered(hdev)) {
0224d2fa
JH
944 bool changed = false;
945
946 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
947 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
948 changed = true;
949 }
950
5e5282bb 951 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH
952 if (err < 0)
953 goto failed;
954
955 if (changed)
956 err = new_settings(hdev, sk);
957
5e5282bb
JH
958 goto failed;
959 }
960
961 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
955638ec
MH
962 if (hdev->discov_timeout > 0) {
963 cancel_delayed_work(&hdev->discov_off);
964 hdev->discov_timeout = 0;
965 }
966
967 if (cp->val && timeout > 0) {
968 hdev->discov_timeout = timeout;
969 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
970 msecs_to_jiffies(hdev->discov_timeout * 1000));
971 }
972
69ab39ea 973 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH
974 goto failed;
975 }
976
2e58ef3e 977 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH
978 if (!cmd) {
979 err = -ENOMEM;
73f22f62 980 goto failed;
366a0336 981 }
73f22f62
JH
982
983 scan = SCAN_PAGE;
984
72a734ec 985 if (cp->val)
73f22f62 986 scan |= SCAN_INQUIRY;
16ab91ab 987 else
e0f9309f 988 cancel_delayed_work(&hdev->discov_off);
73f22f62
JH
989
990 err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
991 if (err < 0)
a664b5bc 992 mgmt_pending_remove(cmd);
73f22f62 993
16ab91ab 994 if (cp->val)
5e5282bb 995 hdev->discov_timeout = timeout;
16ab91ab 996
73f22f62 997failed:
09fd0de5 998 hci_dev_unlock(hdev);
73f22f62
JH
999 return err;
1000}
1001
406d7804
JH
1002static void write_fast_connectable(struct hci_request *req, bool enable)
1003{
bd98b996 1004 struct hci_dev *hdev = req->hdev;
406d7804
JH
1005 struct hci_cp_write_page_scan_activity acp;
1006 u8 type;
1007
4c01f8b8
JH
1008 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
1009 return;
1010
406d7804
JH
1011 if (enable) {
1012 type = PAGE_SCAN_TYPE_INTERLACED;
1013
1014 /* 160 msec page scan interval */
1015 acp.interval = __constant_cpu_to_le16(0x0100);
1016 } else {
1017 type = PAGE_SCAN_TYPE_STANDARD; /* default */
1018
1019 /* default 1.28 sec page scan */
1020 acp.interval = __constant_cpu_to_le16(0x0800);
1021 }
1022
1023 acp.window = __constant_cpu_to_le16(0x0012);
1024
bd98b996
JH
1025 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
1026 __cpu_to_le16(hdev->page_scan_window) != acp.window)
1027 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
1028 sizeof(acp), &acp);
1029
1030 if (hdev->page_scan_type != type)
1031 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH
1032}
1033
2b76f453
JH
1034static void set_connectable_complete(struct hci_dev *hdev, u8 status)
1035{
1036 struct pending_cmd *cmd;
1037
1038 BT_DBG("status 0x%02x", status);
1039
1040 hci_dev_lock(hdev);
1041
1042 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1043 if (!cmd)
1044 goto unlock;
1045
1046 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1047
1048 mgmt_pending_remove(cmd);
1049
1050unlock:
1051 hci_dev_unlock(hdev);
1052}
1053
bdb6d971 1054static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1055 u16 len)
9fbcbb45 1056{
650f726d 1057 struct mgmt_mode *cp = data;
366a0336 1058 struct pending_cmd *cmd;
2b76f453 1059 struct hci_request req;
9fbcbb45
JH
1060 u8 scan;
1061 int err;
1062
bdb6d971 1063 BT_DBG("request for %s", hdev->name);
9fbcbb45 1064
33c525c0
JH
1065 if (!lmp_bredr_capable(hdev))
1066 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1067 MGMT_STATUS_NOT_SUPPORTED);
1068
a7e80f25
JH
1069 if (cp->val != 0x00 && cp->val != 0x01)
1070 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1071 MGMT_STATUS_INVALID_PARAMS);
1072
09fd0de5 1073 hci_dev_lock(hdev);
9fbcbb45 1074
4b34ee78 1075 if (!hdev_is_powered(hdev)) {
0224d2fa
JH
1076 bool changed = false;
1077
1078 if (!!cp->val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
1079 changed = true;
1080
6bf0e469 1081 if (cp->val) {
5e5282bb 1082 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
6bf0e469 1083 } else {
5e5282bb
JH
1084 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1085 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1086 }
0224d2fa 1087
5e5282bb 1088 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
0224d2fa
JH
1089 if (err < 0)
1090 goto failed;
1091
1092 if (changed)
1093 err = new_settings(hdev, sk);
1094
9fbcbb45
JH
1095 goto failed;
1096 }
1097
2e58ef3e 1098 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1099 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1100 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
04124681 1101 MGMT_STATUS_BUSY);
9fbcbb45
JH
1102 goto failed;
1103 }
1104
5e5282bb 1105 if (!!cp->val == test_bit(HCI_PSCAN, &hdev->flags)) {
69ab39ea 1106 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
9fbcbb45
JH
1107 goto failed;
1108 }
1109
2e58ef3e 1110 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH
1111 if (!cmd) {
1112 err = -ENOMEM;
9fbcbb45 1113 goto failed;
366a0336 1114 }
9fbcbb45 1115
6bf0e469 1116 if (cp->val) {
9fbcbb45 1117 scan = SCAN_PAGE;
6bf0e469 1118 } else {
9fbcbb45
JH
1119 scan = 0;
1120
df2c6c5e 1121 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8ce8e2b5 1122 hdev->discov_timeout > 0)
df2c6c5e
JH
1123 cancel_delayed_work(&hdev->discov_off);
1124 }
1125
2b76f453
JH
1126 hci_req_init(&req, hdev);
1127
1128 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1129
4c01f8b8
JH
1130 /* If we're going from non-connectable to connectable or
1131 * vice-versa when fast connectable is enabled ensure that fast
1132 * connectable gets disabled. write_fast_connectable won't do
1133 * anything if the page scan parameters are already what they
1134 * should be.
1135 */
1136 if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
e36a3769
JH
1137 write_fast_connectable(&req, false);
1138
2b76f453 1139 err = hci_req_run(&req, set_connectable_complete);
9fbcbb45 1140 if (err < 0)
a664b5bc 1141 mgmt_pending_remove(cmd);
9fbcbb45
JH
1142
1143failed:
09fd0de5 1144 hci_dev_unlock(hdev);
9fbcbb45
JH
1145 return err;
1146}
1147
bdb6d971 1148static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1149 u16 len)
c542a06c 1150{
650f726d 1151 struct mgmt_mode *cp = data;
c542a06c
JH
1152 int err;
1153
bdb6d971 1154 BT_DBG("request for %s", hdev->name);
c542a06c 1155
a7e80f25
JH
1156 if (cp->val != 0x00 && cp->val != 0x01)
1157 return cmd_status(sk, hdev->id, MGMT_OP_SET_PAIRABLE,
1158 MGMT_STATUS_INVALID_PARAMS);
1159
09fd0de5 1160 hci_dev_lock(hdev);
c542a06c
JH
1161
1162 if (cp->val)
a8b2d5c2 1163 set_bit(HCI_PAIRABLE, &hdev->dev_flags);
c542a06c 1164 else
a8b2d5c2 1165 clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
c542a06c 1166
69ab39ea 1167 err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev);
c542a06c
JH
1168 if (err < 0)
1169 goto failed;
1170
beadb2bd 1171 err = new_settings(hdev, sk);
c542a06c
JH
1172
1173failed:
09fd0de5 1174 hci_dev_unlock(hdev);
c542a06c
JH
1175 return err;
1176}
1177
04124681
GP
1178static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1179 u16 len)
33ef95ed
JH
1180{
1181 struct mgmt_mode *cp = data;
1182 struct pending_cmd *cmd;
816a11d5 1183 u8 val;
33ef95ed
JH
1184 int err;
1185
bdb6d971 1186 BT_DBG("request for %s", hdev->name);
33ef95ed 1187
33c525c0
JH
1188 if (!lmp_bredr_capable(hdev))
1189 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1190 MGMT_STATUS_NOT_SUPPORTED);
1191
a7e80f25
JH
1192 if (cp->val != 0x00 && cp->val != 0x01)
1193 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1194 MGMT_STATUS_INVALID_PARAMS);
1195
33ef95ed
JH
1196 hci_dev_lock(hdev);
1197
4b34ee78 1198 if (!hdev_is_powered(hdev)) {
47990ea0
JH
1199 bool changed = false;
1200
1201 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
8ce8e2b5 1202 &hdev->dev_flags)) {
47990ea0
JH
1203 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1204 changed = true;
1205 }
1206
1207 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1208 if (err < 0)
1209 goto failed;
1210
1211 if (changed)
1212 err = new_settings(hdev, sk);
1213
33ef95ed
JH
1214 goto failed;
1215 }
1216
1217 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
bdb6d971 1218 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
04124681 1219 MGMT_STATUS_BUSY);
33ef95ed
JH
1220 goto failed;
1221 }
1222
1223 val = !!cp->val;
1224
1225 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1226 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1227 goto failed;
1228 }
1229
1230 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1231 if (!cmd) {
1232 err = -ENOMEM;
1233 goto failed;
1234 }
1235
1236 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1237 if (err < 0) {
1238 mgmt_pending_remove(cmd);
1239 goto failed;
1240 }
1241
1242failed:
1243 hci_dev_unlock(hdev);
33ef95ed
JH
1244 return err;
1245}
1246
bdb6d971 1247static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH
1248{
1249 struct mgmt_mode *cp = data;
1250 struct pending_cmd *cmd;
816a11d5 1251 u8 val;
ed2c4ee3
JH
1252 int err;
1253
bdb6d971 1254 BT_DBG("request for %s", hdev->name);
ed2c4ee3 1255
13ecd8b6
JH
1256 if (!lmp_ssp_capable(hdev))
1257 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1258 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 1259
a7e80f25
JH
1260 if (cp->val != 0x00 && cp->val != 0x01)
1261 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1262 MGMT_STATUS_INVALID_PARAMS);
1263
13ecd8b6 1264 hci_dev_lock(hdev);
6c8f12c1 1265
c0ecddc2
JH
1266 val = !!cp->val;
1267
4b34ee78 1268 if (!hdev_is_powered(hdev)) {
c0ecddc2
JH
1269 bool changed = false;
1270
1271 if (val != test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
1272 change_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
1273 changed = true;
1274 }
1275
1276 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1277 if (err < 0)
1278 goto failed;
1279
1280 if (changed)
1281 err = new_settings(hdev, sk);
1282
ed2c4ee3
JH
1283 goto failed;
1284 }
1285
1286 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) {
d97dcb66
SJ
1287 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1288 MGMT_STATUS_BUSY);
ed2c4ee3
JH
1289 goto failed;
1290 }
1291
ed2c4ee3
JH
1292 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) == val) {
1293 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1294 goto failed;
1295 }
1296
1297 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
1298 if (!cmd) {
1299 err = -ENOMEM;
1300 goto failed;
1301 }
1302
1303 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(val), &val);
1304 if (err < 0) {
1305 mgmt_pending_remove(cmd);
1306 goto failed;
1307 }
1308
1309failed:
1310 hci_dev_unlock(hdev);
ed2c4ee3
JH
1311 return err;
1312}
1313
bdb6d971 1314static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH
1315{
1316 struct mgmt_mode *cp = data;
6d80dfd0 1317
bdb6d971 1318 BT_DBG("request for %s", hdev->name);
6d80dfd0 1319
bdb6d971
JH
1320 if (!enable_hs)
1321 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
04124681 1322 MGMT_STATUS_NOT_SUPPORTED);
6d80dfd0 1323
a7e80f25
JH
1324 if (cp->val != 0x00 && cp->val != 0x01)
1325 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1326 MGMT_STATUS_INVALID_PARAMS);
1327
6d80dfd0
JH
1328 if (cp->val)
1329 set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
1330 else
1331 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
1332
bdb6d971 1333 return send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
6d80dfd0
JH
1334}
1335
bdb6d971 1336static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH
1337{
1338 struct mgmt_mode *cp = data;
1339 struct hci_cp_write_le_host_supported hci_cp;
1340 struct pending_cmd *cmd;
06199cf8 1341 int err;
0b60eba1 1342 u8 val, enabled;
06199cf8 1343
bdb6d971 1344 BT_DBG("request for %s", hdev->name);
06199cf8 1345
13ecd8b6
JH
1346 if (!lmp_le_capable(hdev))
1347 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1348 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 1349
a7e80f25
JH
1350 if (cp->val != 0x00 && cp->val != 0x01)
1351 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1352 MGMT_STATUS_INVALID_PARAMS);
1353
c73eee91
JH
1354 /* LE-only devices do not allow toggling LE on/off */
1355 if (!lmp_bredr_capable(hdev))
1356 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1357 MGMT_STATUS_REJECTED);
1358
13ecd8b6 1359 hci_dev_lock(hdev);
06199cf8
JH
1360
1361 val = !!cp->val;
ffa88e02 1362 enabled = lmp_host_le_capable(hdev);
06199cf8 1363
0b60eba1 1364 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH
1365 bool changed = false;
1366
1367 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
1368 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1369 changed = true;
1370 }
1371
1372 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1373 if (err < 0)
1de028ce 1374 goto unlock;
06199cf8
JH
1375
1376 if (changed)
1377 err = new_settings(hdev, sk);
1378
1de028ce 1379 goto unlock;
06199cf8
JH
1380 }
1381
1382 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
bdb6d971 1383 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
04124681 1384 MGMT_STATUS_BUSY);
1de028ce 1385 goto unlock;
06199cf8
JH
1386 }
1387
1388 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
1389 if (!cmd) {
1390 err = -ENOMEM;
1de028ce 1391 goto unlock;
06199cf8
JH
1392 }
1393
1394 memset(&hci_cp, 0, sizeof(hci_cp));
1395
1396 if (val) {
1397 hci_cp.le = val;
ffa88e02 1398 hci_cp.simul = lmp_le_br_capable(hdev);
06199cf8
JH
1399 }
1400
04124681
GP
1401 err = hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
1402 &hci_cp);
0c01bc48 1403 if (err < 0)
06199cf8 1404 mgmt_pending_remove(cmd);
06199cf8 1405
1de028ce
JH
1406unlock:
1407 hci_dev_unlock(hdev);
06199cf8
JH
1408 return err;
1409}
1410
0cab9c80
JH
1411/* This is a helper function to test for pending mgmt commands that can
1412 * cause CoD or EIR HCI commands. We can only allow one such pending
1413 * mgmt command at a time since otherwise we cannot easily track what
1414 * the current values are, will be, and based on that calculate if a new
1415 * HCI command needs to be sent and if yes with what value.
1416 */
1417static bool pending_eir_or_class(struct hci_dev *hdev)
1418{
1419 struct pending_cmd *cmd;
1420
1421 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
1422 switch (cmd->opcode) {
1423 case MGMT_OP_ADD_UUID:
1424 case MGMT_OP_REMOVE_UUID:
1425 case MGMT_OP_SET_DEV_CLASS:
1426 case MGMT_OP_SET_POWERED:
1427 return true;
1428 }
1429 }
1430
1431 return false;
1432}
1433
83be8eca
JH
1434static const u8 bluetooth_base_uuid[] = {
1435 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
1436 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1437};
1438
1439static u8 get_uuid_size(const u8 *uuid)
1440{
1441 u32 val;
1442
1443 if (memcmp(uuid, bluetooth_base_uuid, 12))
1444 return 128;
1445
1446 val = get_unaligned_le32(&uuid[12]);
1447 if (val > 0xffff)
1448 return 32;
1449
1450 return 16;
1451}
1452
92da6097
JH
1453static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
1454{
1455 struct pending_cmd *cmd;
1456
1457 hci_dev_lock(hdev);
1458
1459 cmd = mgmt_pending_find(mgmt_op, hdev);
1460 if (!cmd)
1461 goto unlock;
1462
1463 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
1464 hdev->dev_class, 3);
1465
1466 mgmt_pending_remove(cmd);
1467
1468unlock:
1469 hci_dev_unlock(hdev);
1470}
1471
1472static void add_uuid_complete(struct hci_dev *hdev, u8 status)
1473{
1474 BT_DBG("status 0x%02x", status);
1475
1476 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
1477}
1478
bdb6d971 1479static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 1480{
650f726d 1481 struct mgmt_cp_add_uuid *cp = data;
90e70454 1482 struct pending_cmd *cmd;
890ea898 1483 struct hci_request req;
2aeb9a1a 1484 struct bt_uuid *uuid;
2aeb9a1a
JH
1485 int err;
1486
bdb6d971 1487 BT_DBG("request for %s", hdev->name);
2aeb9a1a 1488
09fd0de5 1489 hci_dev_lock(hdev);
2aeb9a1a 1490
0cab9c80 1491 if (pending_eir_or_class(hdev)) {
bdb6d971 1492 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
04124681 1493 MGMT_STATUS_BUSY);
c95f0ba7
JH
1494 goto failed;
1495 }
1496
92c4c204 1497 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH
1498 if (!uuid) {
1499 err = -ENOMEM;
1500 goto failed;
1501 }
1502
1503 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 1504 uuid->svc_hint = cp->svc_hint;
83be8eca 1505 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 1506
de66aa63 1507 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 1508
890ea898 1509 hci_req_init(&req, hdev);
1aff6f09 1510
890ea898
JH
1511 update_class(&req);
1512 update_eir(&req);
1513
92da6097
JH
1514 err = hci_req_run(&req, add_uuid_complete);
1515 if (err < 0) {
1516 if (err != -ENODATA)
1517 goto failed;
80a1e1db 1518
bdb6d971 1519 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
04124681 1520 hdev->dev_class, 3);
90e70454
JH
1521 goto failed;
1522 }
1523
1524 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 1525 if (!cmd) {
90e70454 1526 err = -ENOMEM;
890ea898
JH
1527 goto failed;
1528 }
1529
1530 err = 0;
2aeb9a1a
JH
1531
1532failed:
09fd0de5 1533 hci_dev_unlock(hdev);
2aeb9a1a
JH
1534 return err;
1535}
1536
24b78d0f
JH
1537static bool enable_service_cache(struct hci_dev *hdev)
1538{
1539 if (!hdev_is_powered(hdev))
1540 return false;
1541
1542 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
46818ed5
JH
1543 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
1544 CACHE_TIMEOUT);
24b78d0f
JH
1545 return true;
1546 }
1547
1548 return false;
1549}
1550
92da6097
JH
1551static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
1552{
1553 BT_DBG("status 0x%02x", status);
1554
1555 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
1556}
1557
bdb6d971 1558static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 1559 u16 len)
2aeb9a1a 1560{
650f726d 1561 struct mgmt_cp_remove_uuid *cp = data;
90e70454 1562 struct pending_cmd *cmd;
056341c8 1563 struct bt_uuid *match, *tmp;
2aeb9a1a 1564 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 1565 struct hci_request req;
2aeb9a1a
JH
1566 int err, found;
1567
bdb6d971 1568 BT_DBG("request for %s", hdev->name);
2aeb9a1a 1569
09fd0de5 1570 hci_dev_lock(hdev);
2aeb9a1a 1571
0cab9c80 1572 if (pending_eir_or_class(hdev)) {
bdb6d971 1573 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 1574 MGMT_STATUS_BUSY);
c95f0ba7
JH
1575 goto unlock;
1576 }
1577
2aeb9a1a
JH
1578 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
1579 err = hci_uuids_clear(hdev);
4004b6d9 1580
24b78d0f 1581 if (enable_service_cache(hdev)) {
bdb6d971 1582 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 1583 0, hdev->dev_class, 3);
24b78d0f
JH
1584 goto unlock;
1585 }
4004b6d9 1586
9246a869 1587 goto update_class;
2aeb9a1a
JH
1588 }
1589
1590 found = 0;
1591
056341c8 1592 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH
1593 if (memcmp(match->uuid, cp->uuid, 16) != 0)
1594 continue;
1595
1596 list_del(&match->list);
482049f7 1597 kfree(match);
2aeb9a1a
JH
1598 found++;
1599 }
1600
1601 if (found == 0) {
bdb6d971 1602 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 1603 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH
1604 goto unlock;
1605 }
1606
9246a869 1607update_class:
890ea898 1608 hci_req_init(&req, hdev);
1aff6f09 1609
890ea898
JH
1610 update_class(&req);
1611 update_eir(&req);
1612
92da6097
JH
1613 err = hci_req_run(&req, remove_uuid_complete);
1614 if (err < 0) {
1615 if (err != -ENODATA)
1616 goto unlock;
80a1e1db 1617
bdb6d971 1618 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
04124681 1619 hdev->dev_class, 3);
90e70454
JH
1620 goto unlock;
1621 }
1622
1623 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 1624 if (!cmd) {
90e70454 1625 err = -ENOMEM;
890ea898
JH
1626 goto unlock;
1627 }
1628
1629 err = 0;
2aeb9a1a
JH
1630
1631unlock:
09fd0de5 1632 hci_dev_unlock(hdev);
2aeb9a1a
JH
1633 return err;
1634}
1635
92da6097
JH
1636static void set_class_complete(struct hci_dev *hdev, u8 status)
1637{
1638 BT_DBG("status 0x%02x", status);
1639
1640 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
1641}
1642
bdb6d971 1643static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1644 u16 len)
1aff6f09 1645{
650f726d 1646 struct mgmt_cp_set_dev_class *cp = data;
90e70454 1647 struct pending_cmd *cmd;
890ea898 1648 struct hci_request req;
1aff6f09
JH
1649 int err;
1650
bdb6d971 1651 BT_DBG("request for %s", hdev->name);
1aff6f09 1652
13ecd8b6
JH
1653 if (!lmp_bredr_capable(hdev))
1654 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
1655 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 1656
0cab9c80 1657 hci_dev_lock(hdev);
ee98f473 1658
0cab9c80
JH
1659 if (pending_eir_or_class(hdev)) {
1660 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
1661 MGMT_STATUS_BUSY);
1662 goto unlock;
1663 }
c95f0ba7 1664
0cab9c80
JH
1665 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
1666 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
1667 MGMT_STATUS_INVALID_PARAMS);
1668 goto unlock;
1669 }
575b3a02 1670
932f5ff5
JH
1671 hdev->major_class = cp->major;
1672 hdev->minor_class = cp->minor;
1673
b5235a65 1674 if (!hdev_is_powered(hdev)) {
bdb6d971 1675 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 1676 hdev->dev_class, 3);
b5235a65
JH
1677 goto unlock;
1678 }
1679
890ea898
JH
1680 hci_req_init(&req, hdev);
1681
a8b2d5c2 1682 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
7d78525d
JH
1683 hci_dev_unlock(hdev);
1684 cancel_delayed_work_sync(&hdev->service_cache);
1685 hci_dev_lock(hdev);
890ea898 1686 update_eir(&req);
7d78525d 1687 }
14c0b608 1688
890ea898
JH
1689 update_class(&req);
1690
92da6097
JH
1691 err = hci_req_run(&req, set_class_complete);
1692 if (err < 0) {
1693 if (err != -ENODATA)
1694 goto unlock;
1aff6f09 1695
bdb6d971 1696 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 1697 hdev->dev_class, 3);
90e70454
JH
1698 goto unlock;
1699 }
1700
1701 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 1702 if (!cmd) {
90e70454 1703 err = -ENOMEM;
890ea898
JH
1704 goto unlock;
1705 }
1706
1707 err = 0;
1aff6f09 1708
b5235a65 1709unlock:
09fd0de5 1710 hci_dev_unlock(hdev);
1aff6f09
JH
1711 return err;
1712}
1713
bdb6d971 1714static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 1715 u16 len)
55ed8ca1 1716{
650f726d 1717 struct mgmt_cp_load_link_keys *cp = data;
4e51eae9 1718 u16 key_count, expected_len;
a492cd52 1719 int i;
55ed8ca1 1720
1f350c87 1721 key_count = __le16_to_cpu(cp->key_count);
55ed8ca1 1722
86742e1e
JH
1723 expected_len = sizeof(*cp) + key_count *
1724 sizeof(struct mgmt_link_key_info);
a492cd52 1725 if (expected_len != len) {
86742e1e 1726 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
8ce8e2b5 1727 len, expected_len);
bdb6d971 1728 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
04124681 1729 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH
1730 }
1731
4ae14301
JH
1732 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
1733 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
1734 MGMT_STATUS_INVALID_PARAMS);
1735
bdb6d971 1736 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 1737 key_count);
55ed8ca1 1738
4ee71b20
JH
1739 for (i = 0; i < key_count; i++) {
1740 struct mgmt_link_key_info *key = &cp->keys[i];
1741
1742 if (key->addr.type != BDADDR_BREDR)
1743 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
1744 MGMT_STATUS_INVALID_PARAMS);
1745 }
1746
09fd0de5 1747 hci_dev_lock(hdev);
55ed8ca1
JH
1748
1749 hci_link_keys_clear(hdev);
1750
a8b2d5c2 1751 set_bit(HCI_LINK_KEYS, &hdev->dev_flags);
55ed8ca1
JH
1752
1753 if (cp->debug_keys)
a8b2d5c2 1754 set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
55ed8ca1 1755 else
a8b2d5c2 1756 clear_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
55ed8ca1 1757
a492cd52 1758 for (i = 0; i < key_count; i++) {
86742e1e 1759 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 1760
d753fdc4 1761 hci_add_link_key(hdev, NULL, 0, &key->addr.bdaddr, key->val,
04124681 1762 key->type, key->pin_len);
55ed8ca1
JH
1763 }
1764
bdb6d971 1765 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 1766
09fd0de5 1767 hci_dev_unlock(hdev);
55ed8ca1 1768
a492cd52 1769 return 0;
55ed8ca1
JH
1770}
1771
b1078ad0 1772static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 1773 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH
1774{
1775 struct mgmt_ev_device_unpaired ev;
1776
1777 bacpy(&ev.addr.bdaddr, bdaddr);
1778 ev.addr.type = addr_type;
1779
1780 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 1781 skip_sk);
b1078ad0
JH
1782}
1783
bdb6d971 1784static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1785 u16 len)
55ed8ca1 1786{
124f6e35
JH
1787 struct mgmt_cp_unpair_device *cp = data;
1788 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH
1789 struct hci_cp_disconnect dc;
1790 struct pending_cmd *cmd;
55ed8ca1 1791 struct hci_conn *conn;
55ed8ca1
JH
1792 int err;
1793
a8a1d19e 1794 memset(&rp, 0, sizeof(rp));
124f6e35
JH
1795 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
1796 rp.addr.type = cp->addr.type;
a8a1d19e 1797
4ee71b20
JH
1798 if (!bdaddr_type_is_valid(cp->addr.type))
1799 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
1800 MGMT_STATUS_INVALID_PARAMS,
1801 &rp, sizeof(rp));
1802
118da70b
JH
1803 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
1804 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
1805 MGMT_STATUS_INVALID_PARAMS,
1806 &rp, sizeof(rp));
1807
4ee71b20
JH
1808 hci_dev_lock(hdev);
1809
86a8cfc6 1810 if (!hdev_is_powered(hdev)) {
bdb6d971 1811 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 1812 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
86a8cfc6
JH
1813 goto unlock;
1814 }
1815
591f47f3 1816 if (cp->addr.type == BDADDR_BREDR)
124f6e35
JH
1817 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
1818 else
1819 err = hci_remove_ltk(hdev, &cp->addr.bdaddr);
b0dbfb46 1820
55ed8ca1 1821 if (err < 0) {
bdb6d971 1822 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 1823 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH
1824 goto unlock;
1825 }
1826
86a8cfc6 1827 if (cp->disconnect) {
591f47f3 1828 if (cp->addr.type == BDADDR_BREDR)
86a8cfc6 1829 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
8ce8e2b5 1830 &cp->addr.bdaddr);
86a8cfc6
JH
1831 else
1832 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
8ce8e2b5 1833 &cp->addr.bdaddr);
86a8cfc6
JH
1834 } else {
1835 conn = NULL;
1836 }
124f6e35 1837
a8a1d19e 1838 if (!conn) {
bdb6d971 1839 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 1840 &rp, sizeof(rp));
b1078ad0 1841 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH
1842 goto unlock;
1843 }
55ed8ca1 1844
124f6e35 1845 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 1846 sizeof(*cp));
a8a1d19e
JH
1847 if (!cmd) {
1848 err = -ENOMEM;
1849 goto unlock;
55ed8ca1
JH
1850 }
1851
eb55ef07 1852 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH
1853 dc.reason = 0x13; /* Remote User Terminated Connection */
1854 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1855 if (err < 0)
1856 mgmt_pending_remove(cmd);
1857
55ed8ca1 1858unlock:
09fd0de5 1859 hci_dev_unlock(hdev);
55ed8ca1
JH
1860 return err;
1861}
1862
bdb6d971 1863static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1864 u16 len)
8962ee74 1865{
650f726d 1866 struct mgmt_cp_disconnect *cp = data;
06a63b19 1867 struct mgmt_rp_disconnect rp;
8962ee74 1868 struct hci_cp_disconnect dc;
366a0336 1869 struct pending_cmd *cmd;
8962ee74 1870 struct hci_conn *conn;
8962ee74
JH
1871 int err;
1872
1873 BT_DBG("");
1874
06a63b19
JH
1875 memset(&rp, 0, sizeof(rp));
1876 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
1877 rp.addr.type = cp->addr.type;
1878
4ee71b20 1879 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH
1880 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
1881 MGMT_STATUS_INVALID_PARAMS,
1882 &rp, sizeof(rp));
4ee71b20 1883
09fd0de5 1884 hci_dev_lock(hdev);
8962ee74
JH
1885
1886 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH
1887 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
1888 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH
1889 goto failed;
1890 }
1891
2e58ef3e 1892 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH
1893 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
1894 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH
1895 goto failed;
1896 }
1897
591f47f3 1898 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP
1899 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
1900 &cp->addr.bdaddr);
88c3df13
JH
1901 else
1902 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 1903
f960727e 1904 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH
1905 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
1906 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH
1907 goto failed;
1908 }
1909
2e58ef3e 1910 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH
1911 if (!cmd) {
1912 err = -ENOMEM;
8962ee74 1913 goto failed;
366a0336 1914 }
8962ee74 1915
eb55ef07 1916 dc.handle = cpu_to_le16(conn->handle);
3701f944 1917 dc.reason = HCI_ERROR_REMOTE_USER_TERM;
8962ee74
JH
1918
1919 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1920 if (err < 0)
a664b5bc 1921 mgmt_pending_remove(cmd);
8962ee74
JH
1922
1923failed:
09fd0de5 1924 hci_dev_unlock(hdev);
8962ee74
JH
1925 return err;
1926}
1927
57c1477c 1928static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH
1929{
1930 switch (link_type) {
1931 case LE_LINK:
48264f06
JH
1932 switch (addr_type) {
1933 case ADDR_LE_DEV_PUBLIC:
591f47f3 1934 return BDADDR_LE_PUBLIC;
0ed09148 1935
48264f06 1936 default:
0ed09148 1937 /* Fallback to LE Random address type */
591f47f3 1938 return BDADDR_LE_RANDOM;
48264f06 1939 }
0ed09148 1940
4c659c39 1941 default:
0ed09148 1942 /* Fallback to BR/EDR type */
591f47f3 1943 return BDADDR_BREDR;
4c659c39
JH
1944 }
1945}
1946
04124681
GP
1947static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
1948 u16 data_len)
2784eb41 1949{
2784eb41 1950 struct mgmt_rp_get_connections *rp;
8035ded4 1951 struct hci_conn *c;
a38528f1 1952 size_t rp_len;
60fc5fb6
JH
1953 int err;
1954 u16 i;
2784eb41
JH
1955
1956 BT_DBG("");
1957
09fd0de5 1958 hci_dev_lock(hdev);
2784eb41 1959
5f97c1df 1960 if (!hdev_is_powered(hdev)) {
bdb6d971 1961 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 1962 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH
1963 goto unlock;
1964 }
1965
60fc5fb6 1966 i = 0;
b644ba33
JH
1967 list_for_each_entry(c, &hdev->conn_hash.list, list) {
1968 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 1969 i++;
2784eb41
JH
1970 }
1971
60fc5fb6 1972 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 1973 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 1974 if (!rp) {
2784eb41
JH
1975 err = -ENOMEM;
1976 goto unlock;
1977 }
1978
2784eb41 1979 i = 0;
4c659c39 1980 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH
1981 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
1982 continue;
4c659c39 1983 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 1984 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 1985 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH
1986 continue;
1987 i++;
1988 }
1989
eb55ef07 1990 rp->conn_count = cpu_to_le16(i);
60fc5fb6 1991
4c659c39
JH
1992 /* Recalculate length in case of filtered SCO connections, etc */
1993 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 1994
bdb6d971 1995 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 1996 rp_len);
2784eb41 1997
a38528f1 1998 kfree(rp);
5f97c1df
JH
1999
2000unlock:
09fd0de5 2001 hci_dev_unlock(hdev);
2784eb41
JH
2002 return err;
2003}
2004
bdb6d971 2005static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2006 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR
2007{
2008 struct pending_cmd *cmd;
2009 int err;
2010
2e58ef3e 2011 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2012 sizeof(*cp));
96d97a67
WR
2013 if (!cmd)
2014 return -ENOMEM;
2015
d8457698 2016 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2017 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR
2018 if (err < 0)
2019 mgmt_pending_remove(cmd);
2020
2021 return err;
2022}
2023
bdb6d971 2024static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2025 u16 len)
980e1a53 2026{
96d97a67 2027 struct hci_conn *conn;
650f726d 2028 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2029 struct hci_cp_pin_code_reply reply;
366a0336 2030 struct pending_cmd *cmd;
980e1a53
JH
2031 int err;
2032
2033 BT_DBG("");
2034
09fd0de5 2035 hci_dev_lock(hdev);
980e1a53 2036
4b34ee78 2037 if (!hdev_is_powered(hdev)) {
bdb6d971 2038 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2039 MGMT_STATUS_NOT_POWERED);
980e1a53
JH
2040 goto failed;
2041 }
2042
d8457698 2043 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2044 if (!conn) {
bdb6d971 2045 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2046 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR
2047 goto failed;
2048 }
2049
2050 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH
2051 struct mgmt_cp_pin_code_neg_reply ncp;
2052
2053 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR
2054
2055 BT_ERR("PIN code is not 16 bytes long");
2056
bdb6d971 2057 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2058 if (err >= 0)
bdb6d971 2059 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2060 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR
2061
2062 goto failed;
2063 }
2064
00abfe44 2065 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH
2066 if (!cmd) {
2067 err = -ENOMEM;
980e1a53 2068 goto failed;
366a0336 2069 }
980e1a53 2070
d8457698 2071 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2072 reply.pin_len = cp->pin_len;
24718ca5 2073 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH
2074
2075 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2076 if (err < 0)
a664b5bc 2077 mgmt_pending_remove(cmd);
980e1a53
JH
2078
2079failed:
09fd0de5 2080 hci_dev_unlock(hdev);
980e1a53
JH
2081 return err;
2082}
2083
04124681
GP
2084static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
2085 u16 len)
17fa4b9d 2086{
650f726d 2087 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH
2088
2089 BT_DBG("");
2090
09fd0de5 2091 hci_dev_lock(hdev);
17fa4b9d
JH
2092
2093 hdev->io_capability = cp->io_capability;
2094
2095 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 2096 hdev->io_capability);
17fa4b9d 2097
09fd0de5 2098 hci_dev_unlock(hdev);
17fa4b9d 2099
04124681
GP
2100 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
2101 0);
17fa4b9d
JH
2102}
2103
6039aa73 2104static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH
2105{
2106 struct hci_dev *hdev = conn->hdev;
8035ded4 2107 struct pending_cmd *cmd;
e9a416b5 2108
2e58ef3e 2109 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH
2110 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
2111 continue;
2112
e9a416b5
JH
2113 if (cmd->user_data != conn)
2114 continue;
2115
2116 return cmd;
2117 }
2118
2119 return NULL;
2120}
2121
2122static void pairing_complete(struct pending_cmd *cmd, u8 status)
2123{
2124 struct mgmt_rp_pair_device rp;
2125 struct hci_conn *conn = cmd->user_data;
2126
ba4e564f 2127 bacpy(&rp.addr.bdaddr, &conn->dst);
57c1477c 2128 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 2129
aee9b218 2130 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 2131 &rp, sizeof(rp));
e9a416b5
JH
2132
2133 /* So we don't get further callbacks for this connection */
2134 conn->connect_cfm_cb = NULL;
2135 conn->security_cfm_cb = NULL;
2136 conn->disconn_cfm_cb = NULL;
2137
76a68ba0 2138 hci_conn_drop(conn);
e9a416b5 2139
a664b5bc 2140 mgmt_pending_remove(cmd);
e9a416b5
JH
2141}
2142
2143static void pairing_complete_cb(struct hci_conn *conn, u8 status)
2144{
2145 struct pending_cmd *cmd;
2146
2147 BT_DBG("status %u", status);
2148
2149 cmd = find_pairing(conn);
56e5cb86 2150 if (!cmd)
e9a416b5 2151 BT_DBG("Unable to find a pending command");
56e5cb86 2152 else
e211326c 2153 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH
2154}
2155
4c47d739
VA
2156static void le_connect_complete_cb(struct hci_conn *conn, u8 status)
2157{
2158 struct pending_cmd *cmd;
2159
2160 BT_DBG("status %u", status);
2161
2162 if (!status)
2163 return;
2164
2165 cmd = find_pairing(conn);
2166 if (!cmd)
2167 BT_DBG("Unable to find a pending command");
2168 else
2169 pairing_complete(cmd, mgmt_status(status));
2170}
2171
bdb6d971 2172static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2173 u16 len)
e9a416b5 2174{
650f726d 2175 struct mgmt_cp_pair_device *cp = data;
1425acb7 2176 struct mgmt_rp_pair_device rp;
e9a416b5
JH
2177 struct pending_cmd *cmd;
2178 u8 sec_level, auth_type;
2179 struct hci_conn *conn;
e9a416b5
JH
2180 int err;
2181
2182 BT_DBG("");
2183
f950a30e
SJ
2184 memset(&rp, 0, sizeof(rp));
2185 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2186 rp.addr.type = cp->addr.type;
2187
4ee71b20
JH
2188 if (!bdaddr_type_is_valid(cp->addr.type))
2189 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2190 MGMT_STATUS_INVALID_PARAMS,
2191 &rp, sizeof(rp));
2192
09fd0de5 2193 hci_dev_lock(hdev);
e9a416b5 2194
5f97c1df 2195 if (!hdev_is_powered(hdev)) {
f950a30e
SJ
2196 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2197 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH
2198 goto unlock;
2199 }
2200
c908df36
VCG
2201 sec_level = BT_SECURITY_MEDIUM;
2202 if (cp->io_cap == 0x03)
e9a416b5 2203 auth_type = HCI_AT_DEDICATED_BONDING;
c908df36 2204 else
e9a416b5 2205 auth_type = HCI_AT_DEDICATED_BONDING_MITM;
e9a416b5 2206
591f47f3 2207 if (cp->addr.type == BDADDR_BREDR)
6fa3eb70 2208 conn = hci_connect(hdev, ACL_LINK, 0, &cp->addr.bdaddr,
b12f62cf 2209 cp->addr.type, sec_level, auth_type);
7a512d01 2210 else
6fa3eb70 2211 conn = hci_connect(hdev, LE_LINK, 0, &cp->addr.bdaddr,
b12f62cf 2212 cp->addr.type, sec_level, auth_type);
7a512d01 2213
30e76272 2214 if (IS_ERR(conn)) {
489dc48e
AK
2215 int status;
2216
2217 if (PTR_ERR(conn) == -EBUSY)
2218 status = MGMT_STATUS_BUSY;
2219 else
2220 status = MGMT_STATUS_CONNECT_FAILED;
2221
bdb6d971 2222 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 2223 status, &rp,
04124681 2224 sizeof(rp));
e9a416b5
JH
2225 goto unlock;
2226 }
2227
2228 if (conn->connect_cfm_cb) {
76a68ba0 2229 hci_conn_drop(conn);
bdb6d971 2230 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 2231 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH
2232 goto unlock;
2233 }
2234
2e58ef3e 2235 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH
2236 if (!cmd) {
2237 err = -ENOMEM;
76a68ba0 2238 hci_conn_drop(conn);
e9a416b5
JH
2239 goto unlock;
2240 }
2241
7a512d01 2242 /* For LE, just connecting isn't a proof that the pairing finished */
591f47f3 2243 if (cp->addr.type == BDADDR_BREDR)
7a512d01 2244 conn->connect_cfm_cb = pairing_complete_cb;
4c47d739
VA
2245 else
2246 conn->connect_cfm_cb = le_connect_complete_cb;
7a512d01 2247
e9a416b5
JH
2248 conn->security_cfm_cb = pairing_complete_cb;
2249 conn->disconn_cfm_cb = pairing_complete_cb;
2250 conn->io_capability = cp->io_cap;
2251 cmd->user_data = conn;
2252
2253 if (conn->state == BT_CONNECTED &&
8ce8e2b5 2254 hci_conn_security(conn, sec_level, auth_type))
e9a416b5
JH
2255 pairing_complete(cmd, 0);
2256
2257 err = 0;
2258
2259unlock:
09fd0de5 2260 hci_dev_unlock(hdev);
e9a416b5
JH
2261 return err;
2262}
2263
04124681
GP
2264static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
2265 u16 len)
28424707 2266{
0f4e68cf 2267 struct mgmt_addr_info *addr = data;
28424707
JH
2268 struct pending_cmd *cmd;
2269 struct hci_conn *conn;
2270 int err;
2271
2272 BT_DBG("");
2273
28424707
JH
2274 hci_dev_lock(hdev);
2275
5f97c1df 2276 if (!hdev_is_powered(hdev)) {
bdb6d971 2277 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 2278 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH
2279 goto unlock;
2280 }
2281
28424707
JH
2282 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
2283 if (!cmd) {
bdb6d971 2284 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 2285 MGMT_STATUS_INVALID_PARAMS);
28424707
JH
2286 goto unlock;
2287 }
2288
2289 conn = cmd->user_data;
2290
2291 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 2292 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 2293 MGMT_STATUS_INVALID_PARAMS);
28424707
JH
2294 goto unlock;
2295 }
2296
2297 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
2298
bdb6d971 2299 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 2300 addr, sizeof(*addr));
28424707
JH
2301unlock:
2302 hci_dev_unlock(hdev);
28424707
JH
2303 return err;
2304}
2305
bdb6d971 2306static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 2307 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 2308 u16 hci_op, __le32 passkey)
a5c29683 2309{
a5c29683 2310 struct pending_cmd *cmd;
0df4c185 2311 struct hci_conn *conn;
a5c29683
JH
2312 int err;
2313
09fd0de5 2314 hci_dev_lock(hdev);
08ba5382 2315
4b34ee78 2316 if (!hdev_is_powered(hdev)) {
feb94d3d
JH
2317 err = cmd_complete(sk, hdev->id, mgmt_op,
2318 MGMT_STATUS_NOT_POWERED, addr,
2319 sizeof(*addr));
0df4c185 2320 goto done;
a5c29683
JH
2321 }
2322
1707c60e
JH
2323 if (addr->type == BDADDR_BREDR)
2324 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 2325 else
1707c60e 2326 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH
2327
2328 if (!conn) {
feb94d3d
JH
2329 err = cmd_complete(sk, hdev->id, mgmt_op,
2330 MGMT_STATUS_NOT_CONNECTED, addr,
2331 sizeof(*addr));
272d90df
JH
2332 goto done;
2333 }
47c15e2b 2334
1707c60e 2335 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
f2f90dd3
JH
2336 /* Continue with pairing via SMP. The hdev lock must be
2337 * released as SMP may try to recquire it for crypto
2338 * purposes.
2339 */
2340 hci_dev_unlock(hdev);
5fe57d9e 2341 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
f2f90dd3 2342 hci_dev_lock(hdev);
5fe57d9e
BG
2343
2344 if (!err)
feb94d3d
JH
2345 err = cmd_complete(sk, hdev->id, mgmt_op,
2346 MGMT_STATUS_SUCCESS, addr,
2347 sizeof(*addr));
5fe57d9e 2348 else
feb94d3d
JH
2349 err = cmd_complete(sk, hdev->id, mgmt_op,
2350 MGMT_STATUS_FAILED, addr,
2351 sizeof(*addr));
47c15e2b 2352
47c15e2b
BG
2353 goto done;
2354 }
2355
1707c60e 2356 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH
2357 if (!cmd) {
2358 err = -ENOMEM;
0df4c185 2359 goto done;
a5c29683
JH
2360 }
2361
0df4c185 2362 /* Continue with pairing via HCI */
604086b7
BG
2363 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
2364 struct hci_cp_user_passkey_reply cp;
2365
1707c60e 2366 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG
2367 cp.passkey = passkey;
2368 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
2369 } else
1707c60e
JH
2370 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
2371 &addr->bdaddr);
604086b7 2372
a664b5bc
JH
2373 if (err < 0)
2374 mgmt_pending_remove(cmd);
a5c29683 2375
0df4c185 2376done:
09fd0de5 2377 hci_dev_unlock(hdev);
a5c29683
JH
2378 return err;
2379}
2380
afeb019d
JK
2381static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
2382 void *data, u16 len)
2383{
2384 struct mgmt_cp_pin_code_neg_reply *cp = data;
2385
2386 BT_DBG("");
2387
1707c60e 2388 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK
2389 MGMT_OP_PIN_CODE_NEG_REPLY,
2390 HCI_OP_PIN_CODE_NEG_REPLY, 0);
2391}
2392
04124681
GP
2393static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2394 u16 len)
0df4c185 2395{
650f726d 2396 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG
2397
2398 BT_DBG("");
2399
2400 if (len != sizeof(*cp))
bdb6d971 2401 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 2402 MGMT_STATUS_INVALID_PARAMS);
0df4c185 2403
1707c60e 2404 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP
2405 MGMT_OP_USER_CONFIRM_REPLY,
2406 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG
2407}
2408
bdb6d971 2409static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2410 void *data, u16 len)
0df4c185 2411{
c9c2659f 2412 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG
2413
2414 BT_DBG("");
2415
1707c60e 2416 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP
2417 MGMT_OP_USER_CONFIRM_NEG_REPLY,
2418 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG
2419}
2420
04124681
GP
2421static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2422 u16 len)
604086b7 2423{
650f726d 2424 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG
2425
2426 BT_DBG("");
2427
1707c60e 2428 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP
2429 MGMT_OP_USER_PASSKEY_REPLY,
2430 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG
2431}
2432
bdb6d971 2433static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2434 void *data, u16 len)
604086b7 2435{
650f726d 2436 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG
2437
2438 BT_DBG("");
2439
1707c60e 2440 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP
2441 MGMT_OP_USER_PASSKEY_NEG_REPLY,
2442 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG
2443}
2444
13928971 2445static void update_name(struct hci_request *req)
2b4bf397 2446{
13928971 2447 struct hci_dev *hdev = req->hdev;
2b4bf397
JH
2448 struct hci_cp_write_local_name cp;
2449
13928971 2450 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 2451
890ea898 2452 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH
2453}
2454
13928971
JH
2455static void set_name_complete(struct hci_dev *hdev, u8 status)
2456{
2457 struct mgmt_cp_set_local_name *cp;
2458 struct pending_cmd *cmd;
2459
2460 BT_DBG("status 0x%02x", status);
2461
2462 hci_dev_lock(hdev);
2463
2464 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
2465 if (!cmd)
2466 goto unlock;
2467
2468 cp = cmd->param;
2469
2470 if (status)
2471 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
2472 mgmt_status(status));
2473 else
2474 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2475 cp, sizeof(*cp));
2476
2477 mgmt_pending_remove(cmd);
2478
2479unlock:
2480 hci_dev_unlock(hdev);
2481}
2482
bdb6d971 2483static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2484 u16 len)
b312b161 2485{
2b4bf397 2486 struct mgmt_cp_set_local_name *cp = data;
b312b161 2487 struct pending_cmd *cmd;
890ea898 2488 struct hci_request req;
b312b161
JH
2489 int err;
2490
2491 BT_DBG("");
2492
09fd0de5 2493 hci_dev_lock(hdev);
b312b161 2494
b3f2ca94
JH
2495 /* If the old values are the same as the new ones just return a
2496 * direct command complete event.
2497 */
2498 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
2499 !memcmp(hdev->short_name, cp->short_name,
2500 sizeof(hdev->short_name))) {
2501 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2502 data, len);
2503 goto failed;
2504 }
2505
2b4bf397 2506 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 2507
b5235a65 2508 if (!hdev_is_powered(hdev)) {
2b4bf397 2509 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH
2510
2511 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 2512 data, len);
28cc7bde
JH
2513 if (err < 0)
2514 goto failed;
2515
2516 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 2517 sk);
28cc7bde 2518
b5235a65
JH
2519 goto failed;
2520 }
2521
28cc7bde 2522 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH
2523 if (!cmd) {
2524 err = -ENOMEM;
2525 goto failed;
2526 }
2527
13928971
JH
2528 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
2529
890ea898 2530 hci_req_init(&req, hdev);
3f985050
JH
2531
2532 if (lmp_bredr_capable(hdev)) {
2533 update_name(&req);
2534 update_eir(&req);
2535 }
2536
2537 if (lmp_le_capable(hdev))
2538 hci_update_ad(&req);
2539
13928971 2540 err = hci_req_run(&req, set_name_complete);
b312b161
JH
2541 if (err < 0)
2542 mgmt_pending_remove(cmd);
2543
2544failed:
09fd0de5 2545 hci_dev_unlock(hdev);
b312b161
JH
2546 return err;
2547}
2548
0f4e68cf 2549static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 2550 void *data, u16 data_len)
c35938b2 2551{
c35938b2
SJ
2552 struct pending_cmd *cmd;
2553 int err;
2554
bdb6d971 2555 BT_DBG("%s", hdev->name);
c35938b2 2556
09fd0de5 2557 hci_dev_lock(hdev);
c35938b2 2558
4b34ee78 2559 if (!hdev_is_powered(hdev)) {
bdb6d971 2560 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 2561 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ
2562 goto unlock;
2563 }
2564
9a1a1996 2565 if (!lmp_ssp_capable(hdev)) {
bdb6d971 2566 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 2567 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ
2568 goto unlock;
2569 }
2570
2e58ef3e 2571 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 2572 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 2573 MGMT_STATUS_BUSY);
c35938b2
SJ
2574 goto unlock;
2575 }
2576
2e58ef3e 2577 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ
2578 if (!cmd) {
2579 err = -ENOMEM;
2580 goto unlock;
2581 }
2582
2583 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
2584 if (err < 0)
2585 mgmt_pending_remove(cmd);
2586
2587unlock:
09fd0de5 2588 hci_dev_unlock(hdev);
c35938b2
SJ
2589 return err;
2590}
2591
bdb6d971 2592static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 2593 void *data, u16 len)
2763eda6 2594{
650f726d 2595 struct mgmt_cp_add_remote_oob_data *cp = data;
bf1e3541 2596 u8 status;
2763eda6
SJ
2597 int err;
2598
bdb6d971 2599 BT_DBG("%s ", hdev->name);
2763eda6 2600
09fd0de5 2601 hci_dev_lock(hdev);
2763eda6 2602
664ce4cc 2603 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, cp->hash,
04124681 2604 cp->randomizer);
2763eda6 2605 if (err < 0)
bf1e3541 2606 status = MGMT_STATUS_FAILED;
2763eda6 2607 else
a6785be2 2608 status = MGMT_STATUS_SUCCESS;
bf1e3541 2609
bdb6d971 2610 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, status,
04124681 2611 &cp->addr, sizeof(cp->addr));
2763eda6 2612
09fd0de5 2613 hci_dev_unlock(hdev);
2763eda6
SJ
2614 return err;
2615}
2616
bdb6d971 2617static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 2618 void *data, u16 len)
2763eda6 2619{
650f726d 2620 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 2621 u8 status;
2763eda6
SJ
2622 int err;
2623
bdb6d971 2624 BT_DBG("%s", hdev->name);
2763eda6 2625
09fd0de5 2626 hci_dev_lock(hdev);
2763eda6 2627
664ce4cc 2628 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2763eda6 2629 if (err < 0)
bf1e3541 2630 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 2631 else
a6785be2 2632 status = MGMT_STATUS_SUCCESS;
bf1e3541 2633
bdb6d971 2634 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 2635 status, &cp->addr, sizeof(cp->addr));
2763eda6 2636
09fd0de5 2637 hci_dev_unlock(hdev);
2763eda6
SJ
2638 return err;
2639}
2640
5e0452c0
AG
2641int mgmt_interleaved_discovery(struct hci_dev *hdev)
2642{
2643 int err;
2644
2645 BT_DBG("%s", hdev->name);
2646
2647 hci_dev_lock(hdev);
2648
2649 err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR_LE);
2650 if (err < 0)
2651 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2652
2653 hci_dev_unlock(hdev);
2654
2655 return err;
2656}
2657
bdb6d971 2658static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 2659 void *data, u16 len)
14a53664 2660{
650f726d 2661 struct mgmt_cp_start_discovery *cp = data;
14a53664 2662 struct pending_cmd *cmd;
14a53664
JH
2663 int err;
2664
bdb6d971 2665 BT_DBG("%s", hdev->name);
14a53664 2666
09fd0de5 2667 hci_dev_lock(hdev);
14a53664 2668
4b34ee78 2669 if (!hdev_is_powered(hdev)) {
bdb6d971 2670 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 2671 MGMT_STATUS_NOT_POWERED);
bd2d1334
JH
2672 goto failed;
2673 }
2674
642be6c7
AG
2675 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
2676 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
2677 MGMT_STATUS_BUSY);
2678 goto failed;
2679 }
2680
ff9ef578 2681 if (hdev->discovery.state != DISCOVERY_STOPPED) {
bdb6d971 2682 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 2683 MGMT_STATUS_BUSY);
ff9ef578
JH
2684 goto failed;
2685 }
2686
2e58ef3e 2687 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH
2688 if (!cmd) {
2689 err = -ENOMEM;
2690 goto failed;
2691 }
2692
4aab14e5
AG
2693 hdev->discovery.type = cp->type;
2694
2695 switch (hdev->discovery.type) {
f39799f5 2696 case DISCOV_TYPE_BREDR:
04106755
JH
2697 if (!lmp_bredr_capable(hdev)) {
2698 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
2699 MGMT_STATUS_NOT_SUPPORTED);
2700 mgmt_pending_remove(cmd);
2701 goto failed;
2702 }
2703
2704 err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR);
f39799f5
AG
2705 break;
2706
2707 case DISCOV_TYPE_LE:
757aee0f 2708 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
04106755
JH
2709 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
2710 MGMT_STATUS_NOT_SUPPORTED);
2711 mgmt_pending_remove(cmd);
2712 goto failed;
2713 }
2714
5df480b5 2715 err = hci_le_scan(hdev, LE_SCAN_ACTIVE, LE_SCAN_INT,
04106755 2716 LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY);
f39799f5
AG
2717 break;
2718
5e0452c0 2719 case DISCOV_TYPE_INTERLEAVED:
04106755
JH
2720 if (!lmp_host_le_capable(hdev) || !lmp_bredr_capable(hdev)) {
2721 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
2722 MGMT_STATUS_NOT_SUPPORTED);
2723 mgmt_pending_remove(cmd);
2724 goto failed;
2725 }
2726
5df480b5
AG
2727 err = hci_le_scan(hdev, LE_SCAN_ACTIVE, LE_SCAN_INT,
2728 LE_SCAN_WIN, LE_SCAN_TIMEOUT_BREDR_LE);
5e0452c0
AG
2729 break;
2730
f39799f5 2731 default:
04106755
JH
2732 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
2733 MGMT_STATUS_INVALID_PARAMS);
2734 mgmt_pending_remove(cmd);
2735 goto failed;
f39799f5 2736 }
3fd24153 2737
14a53664
JH
2738 if (err < 0)
2739 mgmt_pending_remove(cmd);
ff9ef578
JH
2740 else
2741 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH
2742
2743failed:
09fd0de5 2744 hci_dev_unlock(hdev);
14a53664
JH
2745 return err;
2746}
2747
bdb6d971 2748static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2749 u16 len)
14a53664 2750{
d930650b 2751 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 2752 struct pending_cmd *cmd;
30dc78e1
JH
2753 struct hci_cp_remote_name_req_cancel cp;
2754 struct inquiry_entry *e;
14a53664
JH
2755 int err;
2756
bdb6d971 2757 BT_DBG("%s", hdev->name);
14a53664 2758
09fd0de5 2759 hci_dev_lock(hdev);
14a53664 2760
30dc78e1 2761 if (!hci_discovery_active(hdev)) {
bdb6d971 2762 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP
2763 MGMT_STATUS_REJECTED, &mgmt_cp->type,
2764 sizeof(mgmt_cp->type));
d930650b
JH
2765 goto unlock;
2766 }
2767
2768 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 2769 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP
2770 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
2771 sizeof(mgmt_cp->type));
30dc78e1 2772 goto unlock;
ff9ef578
JH
2773 }
2774
2e58ef3e 2775 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH
2776 if (!cmd) {
2777 err = -ENOMEM;
30dc78e1
JH
2778 goto unlock;
2779 }
2780
e0d9727e
AG
2781 switch (hdev->discovery.state) {
2782 case DISCOVERY_FINDING:
c9ecc48e
AG
2783 if (test_bit(HCI_INQUIRY, &hdev->flags))
2784 err = hci_cancel_inquiry(hdev);
2785 else
2786 err = hci_cancel_le_scan(hdev);
2787
e0d9727e
AG
2788 break;
2789
2790 case DISCOVERY_RESOLVING:
2791 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
8ce8e2b5 2792 NAME_PENDING);
e0d9727e 2793 if (!e) {
30dc78e1 2794 mgmt_pending_remove(cmd);
e0d9727e
AG
2795 err = cmd_complete(sk, hdev->id,
2796 MGMT_OP_STOP_DISCOVERY, 0,
2797 &mgmt_cp->type,
2798 sizeof(mgmt_cp->type));
2799 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2800 goto unlock;
2801 }
30dc78e1 2802
e0d9727e
AG
2803 bacpy(&cp.bdaddr, &e->data.bdaddr);
2804 err = hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ_CANCEL,
2805 sizeof(cp), &cp);
2806
2807 break;
2808
2809 default:
2810 BT_DBG("unknown discovery state %u", hdev->discovery.state);
2811 err = -EFAULT;
14a53664
JH
2812 }
2813
14a53664
JH
2814 if (err < 0)
2815 mgmt_pending_remove(cmd);
ff9ef578
JH
2816 else
2817 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
14a53664 2818
30dc78e1 2819unlock:
09fd0de5 2820 hci_dev_unlock(hdev);
14a53664
JH
2821 return err;
2822}
2823
bdb6d971 2824static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2825 u16 len)
561aafbc 2826{
650f726d 2827 struct mgmt_cp_confirm_name *cp = data;
561aafbc 2828 struct inquiry_entry *e;
561aafbc
JH
2829 int err;
2830
bdb6d971 2831 BT_DBG("%s", hdev->name);
561aafbc 2832
561aafbc
JH
2833 hci_dev_lock(hdev);
2834
30dc78e1 2835 if (!hci_discovery_active(hdev)) {
bdb6d971 2836 err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
04124681 2837 MGMT_STATUS_FAILED);
30dc78e1
JH
2838 goto failed;
2839 }
2840
a198e7b1 2841 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 2842 if (!e) {
bdb6d971 2843 err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
04124681 2844 MGMT_STATUS_INVALID_PARAMS);
561aafbc
JH
2845 goto failed;
2846 }
2847
2848 if (cp->name_known) {
2849 e->name_state = NAME_KNOWN;
2850 list_del(&e->list);
2851 } else {
2852 e->name_state = NAME_NEEDED;
a3d4e20a 2853 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH
2854 }
2855
e384662b
JH
2856 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
2857 sizeof(cp->addr));
561aafbc
JH
2858
2859failed:
2860 hci_dev_unlock(hdev);
561aafbc
JH
2861 return err;
2862}
2863
bdb6d971 2864static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2865 u16 len)
7fbec224 2866{
650f726d 2867 struct mgmt_cp_block_device *cp = data;
f0eeea8b 2868 u8 status;
7fbec224
AJ
2869 int err;
2870
bdb6d971 2871 BT_DBG("%s", hdev->name);
7fbec224 2872
4ee71b20 2873 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH
2874 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
2875 MGMT_STATUS_INVALID_PARAMS,
2876 &cp->addr, sizeof(cp->addr));
4ee71b20 2877
09fd0de5 2878 hci_dev_lock(hdev);
5e762444 2879
88c1fe4b 2880 err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
7fbec224 2881 if (err < 0)
f0eeea8b 2882 status = MGMT_STATUS_FAILED;
7fbec224 2883 else
a6785be2 2884 status = MGMT_STATUS_SUCCESS;
f0eeea8b 2885
bdb6d971 2886 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 2887 &cp->addr, sizeof(cp->addr));
5e762444 2888
09fd0de5 2889 hci_dev_unlock(hdev);
7fbec224
AJ
2890
2891 return err;
2892}
2893
bdb6d971 2894static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2895 u16 len)
7fbec224 2896{
650f726d 2897 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 2898 u8 status;
7fbec224
AJ
2899 int err;
2900
bdb6d971 2901 BT_DBG("%s", hdev->name);
7fbec224 2902
4ee71b20 2903 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH
2904 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
2905 MGMT_STATUS_INVALID_PARAMS,
2906 &cp->addr, sizeof(cp->addr));
4ee71b20 2907
09fd0de5 2908 hci_dev_lock(hdev);
5e762444 2909
88c1fe4b 2910 err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
7fbec224 2911 if (err < 0)
f0eeea8b 2912 status = MGMT_STATUS_INVALID_PARAMS;
7fbec224 2913 else
a6785be2 2914 status = MGMT_STATUS_SUCCESS;
f0eeea8b 2915
bdb6d971 2916 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 2917 &cp->addr, sizeof(cp->addr));
5e762444 2918
09fd0de5 2919 hci_dev_unlock(hdev);
7fbec224
AJ
2920
2921 return err;
2922}
2923
cdbaccca
MH
2924static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
2925 u16 len)
2926{
2927 struct mgmt_cp_set_device_id *cp = data;
890ea898 2928 struct hci_request req;
cdbaccca 2929 int err;
c72d4b8a 2930 __u16 source;
cdbaccca
MH
2931
2932 BT_DBG("%s", hdev->name);
2933
c72d4b8a
SJ
2934 source = __le16_to_cpu(cp->source);
2935
2936 if (source > 0x0002)
2937 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
2938 MGMT_STATUS_INVALID_PARAMS);
2939
cdbaccca
MH
2940 hci_dev_lock(hdev);
2941
c72d4b8a 2942 hdev->devid_source = source;
cdbaccca
MH
2943 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
2944 hdev->devid_product = __le16_to_cpu(cp->product);
2945 hdev->devid_version = __le16_to_cpu(cp->version);
2946
2947 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
2948
890ea898
JH
2949 hci_req_init(&req, hdev);
2950 update_eir(&req);
2951 hci_req_run(&req, NULL);
cdbaccca
MH
2952
2953 hci_dev_unlock(hdev);
2954
2955 return err;
2956}
2957
33e38b3e
JH
2958static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
2959{
2960 struct pending_cmd *cmd;
2961
2962 BT_DBG("status 0x%02x", status);
2963
2964 hci_dev_lock(hdev);
2965
2966 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
2967 if (!cmd)
2968 goto unlock;
2969
2970 if (status) {
2971 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
2972 mgmt_status(status));
2973 } else {
1a4d3c4b
JH
2974 struct mgmt_mode *cp = cmd->param;
2975
2976 if (cp->val)
2977 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
2978 else
2979 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
2980
33e38b3e
JH
2981 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
2982 new_settings(hdev, cmd->sk);
2983 }
2984
2985 mgmt_pending_remove(cmd);
2986
2987unlock:
2988 hci_dev_unlock(hdev);
2989}
2990
bdb6d971 2991static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 2992 void *data, u16 len)
f6422ec6 2993{
650f726d 2994 struct mgmt_mode *cp = data;
33e38b3e
JH
2995 struct pending_cmd *cmd;
2996 struct hci_request req;
f6422ec6
AJ
2997 int err;
2998
bdb6d971 2999 BT_DBG("%s", hdev->name);
f6422ec6 3000
1a47aee8 3001 if (!lmp_bredr_capable(hdev) || hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH
3002 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
3003 MGMT_STATUS_NOT_SUPPORTED);
3004
a7e80f25
JH
3005 if (cp->val != 0x00 && cp->val != 0x01)
3006 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
3007 MGMT_STATUS_INVALID_PARAMS);
3008
5400c044 3009 if (!hdev_is_powered(hdev))
bdb6d971 3010 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 3011 MGMT_STATUS_NOT_POWERED);
5400c044
JH
3012
3013 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 3014 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 3015 MGMT_STATUS_REJECTED);
f6422ec6
AJ
3016
3017 hci_dev_lock(hdev);
3018
05cbf29f
JH
3019 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
3020 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
3021 MGMT_STATUS_BUSY);
3022 goto unlock;
3023 }
3024
1a4d3c4b
JH
3025 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
3026 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
3027 hdev);
3028 goto unlock;
3029 }
3030
33e38b3e
JH
3031 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
3032 data, len);
3033 if (!cmd) {
3034 err = -ENOMEM;
3035 goto unlock;
f6422ec6
AJ
3036 }
3037
33e38b3e
JH
3038 hci_req_init(&req, hdev);
3039
406d7804 3040 write_fast_connectable(&req, cp->val);
33e38b3e
JH
3041
3042 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 3043 if (err < 0) {
bdb6d971 3044 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 3045 MGMT_STATUS_FAILED);
33e38b3e 3046 mgmt_pending_remove(cmd);
f6422ec6
AJ
3047 }
3048
33e38b3e 3049unlock:
f6422ec6 3050 hci_dev_unlock(hdev);
33e38b3e 3051
f6422ec6
AJ
3052 return err;
3053}
3054
3f706b72
JH
3055static bool ltk_is_valid(struct mgmt_ltk_info *key)
3056{
44b20d33
JH
3057 if (key->authenticated != 0x00 && key->authenticated != 0x01)
3058 return false;
3f706b72
JH
3059 if (key->master != 0x00 && key->master != 0x01)
3060 return false;
4ee71b20
JH
3061 if (!bdaddr_type_is_le(key->addr.type))
3062 return false;
3f706b72
JH
3063 return true;
3064}
3065
bdb6d971 3066static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 3067 void *cp_data, u16 len)
346af67b 3068{
346af67b
VCG
3069 struct mgmt_cp_load_long_term_keys *cp = cp_data;
3070 u16 key_count, expected_len;
715a5bf2 3071 int i, err;
346af67b 3072
1f350c87 3073 key_count = __le16_to_cpu(cp->key_count);
346af67b
VCG
3074
3075 expected_len = sizeof(*cp) + key_count *
3076 sizeof(struct mgmt_ltk_info);
3077 if (expected_len != len) {
3078 BT_ERR("load_keys: expected %u bytes, got %u bytes",
8ce8e2b5 3079 len, expected_len);
bdb6d971 3080 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 3081 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG
3082 }
3083
bdb6d971 3084 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 3085
54ad6d8a
JH
3086 for (i = 0; i < key_count; i++) {
3087 struct mgmt_ltk_info *key = &cp->keys[i];
3088
3f706b72 3089 if (!ltk_is_valid(key))
54ad6d8a
JH
3090 return cmd_status(sk, hdev->id,
3091 MGMT_OP_LOAD_LONG_TERM_KEYS,
3092 MGMT_STATUS_INVALID_PARAMS);
3093 }
3094
346af67b
VCG
3095 hci_dev_lock(hdev);
3096
3097 hci_smp_ltks_clear(hdev);
3098
3099 for (i = 0; i < key_count; i++) {
3100 struct mgmt_ltk_info *key = &cp->keys[i];
3101 u8 type;
3102
3103 if (key->master)
3104 type = HCI_SMP_LTK;
3105 else
3106 type = HCI_SMP_LTK_SLAVE;
3107
4596fde5 3108 hci_add_ltk(hdev, &key->addr.bdaddr,
378b5b7e 3109 bdaddr_to_le(key->addr.type),
04124681
GP
3110 type, 0, key->authenticated, key->val,
3111 key->enc_size, key->ediv, key->rand);
346af67b
VCG
3112 }
3113
715a5bf2
JH
3114 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
3115 NULL, 0);
3116
346af67b 3117 hci_dev_unlock(hdev);
346af67b 3118
715a5bf2 3119 return err;
346af67b
VCG
3120}
3121
2e3c35ea 3122static const struct mgmt_handler {
04124681
GP
3123 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
3124 u16 data_len);
be22b54e
JH
3125 bool var_len;
3126 size_t data_len;
0f4e68cf
JH
3127} mgmt_handlers[] = {
3128 { NULL }, /* 0x0000 (no command) */
be22b54e
JH
3129 { read_version, false, MGMT_READ_VERSION_SIZE },
3130 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
3131 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
3132 { read_controller_info, false, MGMT_READ_INFO_SIZE },
3133 { set_powered, false, MGMT_SETTING_SIZE },
3134 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
3135 { set_connectable, false, MGMT_SETTING_SIZE },
3136 { set_fast_connectable, false, MGMT_SETTING_SIZE },
3137 { set_pairable, false, MGMT_SETTING_SIZE },
3138 { set_link_security, false, MGMT_SETTING_SIZE },
3139 { set_ssp, false, MGMT_SETTING_SIZE },
3140 { set_hs, false, MGMT_SETTING_SIZE },
3141 { set_le, false, MGMT_SETTING_SIZE },
3142 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
3143 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
3144 { add_uuid, false, MGMT_ADD_UUID_SIZE },
3145 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
3146 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
3147 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
3148 { disconnect, false, MGMT_DISCONNECT_SIZE },
3149 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
3150 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
3151 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
3152 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
3153 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
3154 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
3155 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
3156 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
3157 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
3158 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
3159 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
3160 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
3161 { add_remote_oob_data, false, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
3162 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
3163 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
3164 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
3165 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
3166 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
3167 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 3168 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
0f4e68cf
JH
3169};
3170
3171
0381101f
JH
3172int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
3173{
650f726d
VCG
3174 void *buf;
3175 u8 *cp;
0381101f 3176 struct mgmt_hdr *hdr;
4e51eae9 3177 u16 opcode, index, len;
bdb6d971 3178 struct hci_dev *hdev = NULL;
2e3c35ea 3179 const struct mgmt_handler *handler;
0381101f
JH
3180 int err;
3181
3182 BT_DBG("got %zu bytes", msglen);
3183
3184 if (msglen < sizeof(*hdr))
3185 return -EINVAL;
3186
e63a15ec 3187 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH
3188 if (!buf)
3189 return -ENOMEM;
3190
3191 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
3192 err = -EFAULT;
3193 goto done;
3194 }
3195
650f726d 3196 hdr = buf;
1f350c87
MH
3197 opcode = __le16_to_cpu(hdr->opcode);
3198 index = __le16_to_cpu(hdr->index);
3199 len = __le16_to_cpu(hdr->len);
0381101f
JH
3200
3201 if (len != msglen - sizeof(*hdr)) {
3202 err = -EINVAL;
3203 goto done;
3204 }
3205
0f4e68cf 3206 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH
3207 hdev = hci_dev_get(index);
3208 if (!hdev) {
3209 err = cmd_status(sk, index, opcode,
04124681 3210 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH
3211 goto done;
3212 }
3213 }
3214
0f4e68cf 3215 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 3216 mgmt_handlers[opcode].func == NULL) {
0381101f 3217 BT_DBG("Unknown op %u", opcode);
ca69b795 3218 err = cmd_status(sk, index, opcode,
04124681 3219 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH
3220 goto done;
3221 }
3222
3223 if ((hdev && opcode < MGMT_OP_READ_INFO) ||
8ce8e2b5 3224 (!hdev && opcode >= MGMT_OP_READ_INFO)) {
0f4e68cf 3225 err = cmd_status(sk, index, opcode,
04124681 3226 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 3227 goto done;
0381101f
JH
3228 }
3229
be22b54e
JH
3230 handler = &mgmt_handlers[opcode];
3231
3232 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 3233 (!handler->var_len && len != handler->data_len)) {
be22b54e 3234 err = cmd_status(sk, index, opcode,
04124681 3235 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH
3236 goto done;
3237 }
3238
0f4e68cf
JH
3239 if (hdev)
3240 mgmt_init_hdev(sk, hdev);
3241
3242 cp = buf + sizeof(*hdr);
3243
be22b54e 3244 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH
3245 if (err < 0)
3246 goto done;
3247
0381101f
JH
3248 err = msglen;
3249
3250done:
bdb6d971
JH
3251 if (hdev)
3252 hci_dev_put(hdev);
3253
0381101f
JH
3254 kfree(buf);
3255 return err;
3256}
c71e97bf 3257
b24752fe
JH
3258static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
3259{
3260 u8 *status = data;
3261
3262 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
3263 mgmt_pending_remove(cmd);
3264}
3265
744cf19e 3266int mgmt_index_added(struct hci_dev *hdev)
c71e97bf 3267{
bb4b2a9a
AE
3268 if (!mgmt_valid_hdev(hdev))
3269 return -ENOTSUPP;
3270
744cf19e 3271 return mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH
3272}
3273
744cf19e 3274int mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 3275{
5f159032 3276 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 3277
bb4b2a9a
AE
3278 if (!mgmt_valid_hdev(hdev))
3279 return -ENOTSUPP;
3280
744cf19e 3281 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 3282
744cf19e 3283 return mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH
3284}
3285
73f22f62 3286struct cmd_lookup {
eec8d2bc 3287 struct sock *sk;
69ab39ea 3288 struct hci_dev *hdev;
90e70454 3289 u8 mgmt_status;
eec8d2bc
JH
3290};
3291
69ab39ea 3292static void settings_rsp(struct pending_cmd *cmd, void *data)
eec8d2bc 3293{
73f22f62 3294 struct cmd_lookup *match = data;
eec8d2bc 3295
69ab39ea 3296 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
eec8d2bc
JH
3297
3298 list_del(&cmd->list);
3299
3300 if (match->sk == NULL) {
3301 match->sk = cmd->sk;
3302 sock_hold(match->sk);
3303 }
3304
3305 mgmt_pending_free(cmd);
c71e97bf 3306}
5add6af8 3307
890ea898 3308static void set_bredr_scan(struct hci_request *req)
7f0ae647 3309{
890ea898 3310 struct hci_dev *hdev = req->hdev;
7f0ae647
JH
3311 u8 scan = 0;
3312
4c01f8b8
JH
3313 /* Ensure that fast connectable is disabled. This function will
3314 * not do anything if the page scan parameters are already what
3315 * they should be.
3316 */
3317 write_fast_connectable(req, false);
3318
7f0ae647
JH
3319 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
3320 scan |= SCAN_PAGE;
3321 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
3322 scan |= SCAN_INQUIRY;
3323
890ea898
JH
3324 if (scan)
3325 hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
7f0ae647
JH
3326}
3327
229ab39c
JH
3328static void powered_complete(struct hci_dev *hdev, u8 status)
3329{
3330 struct cmd_lookup match = { NULL, hdev };
3331
3332 BT_DBG("status 0x%02x", status);
3333
3334 hci_dev_lock(hdev);
3335
3336 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
3337
3338 new_settings(hdev, match.sk);
3339
3340 hci_dev_unlock(hdev);
3341
3342 if (match.sk)
3343 sock_put(match.sk);
3344}
3345
70da6243 3346static int powered_update_hci(struct hci_dev *hdev)
5add6af8 3347{
890ea898 3348 struct hci_request req;
70da6243 3349 u8 link_sec;
5add6af8 3350
890ea898
JH
3351 hci_req_init(&req, hdev);
3352
70da6243
JH
3353 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
3354 !lmp_host_ssp_capable(hdev)) {
3355 u8 ssp = 1;
5e5282bb 3356
890ea898 3357 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 3358 }
5add6af8 3359
c73eee91
JH
3360 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
3361 lmp_bredr_capable(hdev)) {
70da6243 3362 struct hci_cp_write_le_host_supported cp;
f0ff92fb 3363
70da6243
JH
3364 cp.le = 1;
3365 cp.simul = lmp_le_br_capable(hdev);
3d1cbdd6 3366
70da6243
JH
3367 /* Check first if we already have the right
3368 * host state (host features set)
3369 */
3370 if (cp.le != lmp_host_le_capable(hdev) ||
3371 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH
3372 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
3373 sizeof(cp), &cp);
70da6243 3374 }
3d1cbdd6 3375
70da6243
JH
3376 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
3377 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH
3378 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
3379 sizeof(link_sec), &link_sec);
562fcc24 3380
70da6243 3381 if (lmp_bredr_capable(hdev)) {
890ea898
JH
3382 set_bredr_scan(&req);
3383 update_class(&req);
13928971 3384 update_name(&req);
890ea898 3385 update_eir(&req);
70da6243 3386 }
562fcc24 3387
229ab39c 3388 return hci_req_run(&req, powered_complete);
70da6243 3389}
562fcc24 3390
70da6243
JH
3391int mgmt_powered(struct hci_dev *hdev, u8 powered)
3392{
3393 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH
3394 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
3395 u8 zero_cod[] = { 0, 0, 0 };
70da6243 3396 int err;
f0ff92fb 3397
70da6243
JH
3398 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3399 return 0;
3400
70da6243 3401 if (powered) {
229ab39c
JH
3402 if (powered_update_hci(hdev) == 0)
3403 return 0;
fe038884 3404
229ab39c
JH
3405 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
3406 &match);
3407 goto new_settings;
b24752fe
JH
3408 }
3409
229ab39c
JH
3410 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
3411 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
3412
3413 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
3414 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
3415 zero_cod, sizeof(zero_cod), NULL);
3416
3417new_settings:
beadb2bd 3418 err = new_settings(hdev, match.sk);
eec8d2bc
JH
3419
3420 if (match.sk)
3421 sock_put(match.sk);
3422
7bb895d6 3423 return err;
5add6af8 3424}
73f22f62 3425
96570ffc
JH
3426int mgmt_set_powered_failed(struct hci_dev *hdev, int err)
3427{
3428 struct pending_cmd *cmd;
3429 u8 status;
3430
3431 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
3432 if (!cmd)
3433 return -ENOENT;
3434
3435 if (err == -ERFKILL)
3436 status = MGMT_STATUS_RFKILLED;
3437 else
3438 status = MGMT_STATUS_FAILED;
3439
3440 err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
3441
3442 mgmt_pending_remove(cmd);
3443
3444 return err;
3445}
3446
744cf19e 3447int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
73f22f62 3448{
76a7f3a4 3449 struct cmd_lookup match = { NULL, hdev };
5e5282bb
JH
3450 bool changed = false;
3451 int err = 0;
73f22f62 3452
5e5282bb
JH
3453 if (discoverable) {
3454 if (!test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
3455 changed = true;
3456 } else {
3457 if (test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
3458 changed = true;
3459 }
73f22f62 3460
ed9b5f2f 3461 mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, settings_rsp,
04124681 3462 &match);
ed9b5f2f 3463
beadb2bd
JH
3464 if (changed)
3465 err = new_settings(hdev, match.sk);
5e5282bb 3466
73f22f62
JH
3467 if (match.sk)
3468 sock_put(match.sk);
3469
7bb895d6 3470 return err;
73f22f62 3471}
9fbcbb45 3472
744cf19e 3473int mgmt_connectable(struct hci_dev *hdev, u8 connectable)
9fbcbb45 3474{
2b76f453 3475 struct pending_cmd *cmd;
5e5282bb
JH
3476 bool changed = false;
3477 int err = 0;
9fbcbb45 3478
5e5282bb
JH
3479 if (connectable) {
3480 if (!test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags))
3481 changed = true;
3482 } else {
3483 if (test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags))
3484 changed = true;
3485 }
9fbcbb45 3486
2b76f453 3487 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
ed9b5f2f 3488
beadb2bd 3489 if (changed)
2b76f453 3490 err = new_settings(hdev, cmd ? cmd->sk : NULL);
9fbcbb45 3491
7bb895d6 3492 return err;
9fbcbb45 3493}
55ed8ca1 3494
744cf19e 3495int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status)
2d7cee58 3496{
ca69b795
JH
3497 u8 mgmt_err = mgmt_status(status);
3498
2d7cee58 3499 if (scan & SCAN_PAGE)
744cf19e 3500 mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev,
04124681 3501 cmd_status_rsp, &mgmt_err);
2d7cee58
JH
3502
3503 if (scan & SCAN_INQUIRY)
744cf19e 3504 mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev,
04124681 3505 cmd_status_rsp, &mgmt_err);
2d7cee58
JH
3506
3507 return 0;
3508}
3509
53168e5b
CC
3510int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
3511 bool persistent)
55ed8ca1 3512{
86742e1e 3513 struct mgmt_ev_new_link_key ev;
55ed8ca1 3514
a492cd52 3515 memset(&ev, 0, sizeof(ev));
55ed8ca1 3516
a492cd52 3517 ev.store_hint = persistent;
d753fdc4 3518 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 3519 ev.key.addr.type = BDADDR_BREDR;
a492cd52 3520 ev.key.type = key->type;
9b3b4460 3521 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 3522 ev.key.pin_len = key->pin_len;
55ed8ca1 3523
744cf19e 3524 return mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 3525}
f7520543 3526
346af67b
VCG
3527int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent)
3528{
3529 struct mgmt_ev_new_long_term_key ev;
3530
3531 memset(&ev, 0, sizeof(ev));
3532
3533 ev.store_hint = persistent;
3534 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 3535 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
346af67b
VCG
3536 ev.key.authenticated = key->authenticated;
3537 ev.key.enc_size = key->enc_size;
3538 ev.key.ediv = key->ediv;
3539
3540 if (key->type == HCI_SMP_LTK)
3541 ev.key.master = 1;
3542
3543 memcpy(ev.key.rand, key->rand, sizeof(key->rand));
3544 memcpy(ev.key.val, key->val, sizeof(key->val));
3545
04124681
GP
3546 return mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev),
3547 NULL);
346af67b
VCG
3548}
3549
afc747a6 3550int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681
GP
3551 u8 addr_type, u32 flags, u8 *name, u8 name_len,
3552 u8 *dev_class)
f7520543 3553{
b644ba33
JH
3554 char buf[512];
3555 struct mgmt_ev_device_connected *ev = (void *) buf;
3556 u16 eir_len = 0;
f7520543 3557
b644ba33 3558 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 3559 ev->addr.type = link_to_bdaddr(link_type, addr_type);
f7520543 3560
c95f0ba7 3561 ev->flags = __cpu_to_le32(flags);
08c79b61 3562
b644ba33
JH
3563 if (name_len > 0)
3564 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
04124681 3565 name, name_len);
b644ba33
JH
3566
3567 if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
53156385 3568 eir_len = eir_append_data(ev->eir, eir_len,
04124681 3569 EIR_CLASS_OF_DEV, dev_class, 3);
b644ba33 3570
eb55ef07 3571 ev->eir_len = cpu_to_le16(eir_len);
b644ba33
JH
3572
3573 return mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
04124681 3574 sizeof(*ev) + eir_len, NULL);
f7520543
JH
3575}
3576
8962ee74
JH
3577static void disconnect_rsp(struct pending_cmd *cmd, void *data)
3578{
c68fb7ff 3579 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 3580 struct sock **sk = data;
a38528f1 3581 struct mgmt_rp_disconnect rp;
8962ee74 3582
88c3df13
JH
3583 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3584 rp.addr.type = cp->addr.type;
8962ee74 3585
aee9b218 3586 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 3587 sizeof(rp));
8962ee74
JH
3588
3589 *sk = cmd->sk;
3590 sock_hold(*sk);
3591
a664b5bc 3592 mgmt_pending_remove(cmd);
8962ee74
JH
3593}
3594
124f6e35 3595static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 3596{
b1078ad0 3597 struct hci_dev *hdev = data;
124f6e35
JH
3598 struct mgmt_cp_unpair_device *cp = cmd->param;
3599 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH
3600
3601 memset(&rp, 0, sizeof(rp));
124f6e35
JH
3602 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3603 rp.addr.type = cp->addr.type;
a8a1d19e 3604
b1078ad0
JH
3605 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
3606
aee9b218 3607 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH
3608
3609 mgmt_pending_remove(cmd);
3610}
3611
afc747a6 3612int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
f0d6a0ea 3613 u8 link_type, u8 addr_type, u8 reason)
f7520543 3614{
f0d6a0ea 3615 struct mgmt_ev_device_disconnected ev;
8962ee74
JH
3616 struct sock *sk = NULL;
3617 int err;
3618
744cf19e 3619 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 3620
f0d6a0ea
MA
3621 bacpy(&ev.addr.bdaddr, bdaddr);
3622 ev.addr.type = link_to_bdaddr(link_type, addr_type);
3623 ev.reason = reason;
f7520543 3624
afc747a6 3625 err = mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev),
04124681 3626 sk);
8962ee74
JH
3627
3628 if (sk)
d97dcb66 3629 sock_put(sk);
8962ee74 3630
124f6e35 3631 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 3632 hdev);
a8a1d19e 3633
8962ee74
JH
3634 return err;
3635}
3636
88c3df13 3637int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3638 u8 link_type, u8 addr_type, u8 status)
8962ee74 3639{
88c3df13 3640 struct mgmt_rp_disconnect rp;
8962ee74
JH
3641 struct pending_cmd *cmd;
3642 int err;
3643
36a75f1b
JD
3644 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
3645 hdev);
3646
2e58ef3e 3647 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74
JH
3648 if (!cmd)
3649 return -ENOENT;
3650
88c3df13 3651 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 3652 rp.addr.type = link_to_bdaddr(link_type, addr_type);
37d9ef76 3653
88c3df13 3654 err = cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
04124681 3655 mgmt_status(status), &rp, sizeof(rp));
8962ee74 3656
a664b5bc 3657 mgmt_pending_remove(cmd);
8962ee74
JH
3658
3659 return err;
f7520543 3660}
17d5c04c 3661
48264f06 3662int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 3663 u8 addr_type, u8 status)
17d5c04c
JH
3664{
3665 struct mgmt_ev_connect_failed ev;
3666
4c659c39 3667 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 3668 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 3669 ev.status = mgmt_status(status);
17d5c04c 3670
744cf19e 3671 return mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 3672}
980e1a53 3673
744cf19e 3674int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH
3675{
3676 struct mgmt_ev_pin_code_request ev;
3677
d8457698 3678 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 3679 ev.addr.type = BDADDR_BREDR;
a770bb5a 3680 ev.secure = secure;
980e1a53 3681
744cf19e 3682 return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev),
04124681 3683 NULL);
980e1a53
JH
3684}
3685
744cf19e 3686int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3687 u8 status)
980e1a53
JH
3688{
3689 struct pending_cmd *cmd;
ac56fb13 3690 struct mgmt_rp_pin_code_reply rp;
980e1a53
JH
3691 int err;
3692
2e58ef3e 3693 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53
JH
3694 if (!cmd)
3695 return -ENOENT;
3696
d8457698 3697 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 3698 rp.addr.type = BDADDR_BREDR;
ac56fb13 3699
aee9b218 3700 err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 3701 mgmt_status(status), &rp, sizeof(rp));
980e1a53 3702
a664b5bc 3703 mgmt_pending_remove(cmd);
980e1a53
JH
3704
3705 return err;
3706}
3707
744cf19e 3708int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3709 u8 status)
980e1a53
JH
3710{
3711 struct pending_cmd *cmd;
ac56fb13 3712 struct mgmt_rp_pin_code_reply rp;
980e1a53
JH
3713 int err;
3714
2e58ef3e 3715 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53
JH
3716 if (!cmd)
3717 return -ENOENT;
3718
d8457698 3719 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 3720 rp.addr.type = BDADDR_BREDR;
ac56fb13 3721
aee9b218 3722 err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
04124681 3723 mgmt_status(status), &rp, sizeof(rp));
980e1a53 3724
a664b5bc 3725 mgmt_pending_remove(cmd);
980e1a53
JH
3726
3727 return err;
3728}
a5c29683 3729
744cf19e 3730int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681
GP
3731 u8 link_type, u8 addr_type, __le32 value,
3732 u8 confirm_hint)
a5c29683
JH
3733{
3734 struct mgmt_ev_user_confirm_request ev;
3735
744cf19e 3736 BT_DBG("%s", hdev->name);
a5c29683 3737
272d90df 3738 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 3739 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 3740 ev.confirm_hint = confirm_hint;
78e8098e 3741 ev.value = value;
a5c29683 3742
744cf19e 3743 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 3744 NULL);
a5c29683
JH
3745}
3746
272d90df 3747int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 3748 u8 link_type, u8 addr_type)
604086b7
BG
3749{
3750 struct mgmt_ev_user_passkey_request ev;
3751
3752 BT_DBG("%s", hdev->name);
3753
272d90df 3754 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 3755 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG
3756
3757 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 3758 NULL);
604086b7
BG
3759}
3760
0df4c185 3761static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP
3762 u8 link_type, u8 addr_type, u8 status,
3763 u8 opcode)
a5c29683
JH
3764{
3765 struct pending_cmd *cmd;
3766 struct mgmt_rp_user_confirm_reply rp;
3767 int err;
3768
2e58ef3e 3769 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH
3770 if (!cmd)
3771 return -ENOENT;
3772
272d90df 3773 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 3774 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 3775 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 3776 &rp, sizeof(rp));
a5c29683 3777
a664b5bc 3778 mgmt_pending_remove(cmd);
a5c29683
JH
3779
3780 return err;
3781}
3782
744cf19e 3783int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3784 u8 link_type, u8 addr_type, u8 status)
a5c29683 3785{
272d90df 3786 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 3787 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH
3788}
3789
272d90df 3790int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3791 u8 link_type, u8 addr_type, u8 status)
a5c29683 3792{
272d90df 3793 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP
3794 status,
3795 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 3796}
2a611692 3797
604086b7 3798int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3799 u8 link_type, u8 addr_type, u8 status)
604086b7 3800{
272d90df 3801 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 3802 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG
3803}
3804
272d90df 3805int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3806 u8 link_type, u8 addr_type, u8 status)
604086b7 3807{
272d90df 3808 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP
3809 status,
3810 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG
3811}
3812
92a25256
JH
3813int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
3814 u8 link_type, u8 addr_type, u32 passkey,
3815 u8 entered)
3816{
3817 struct mgmt_ev_passkey_notify ev;
3818
3819 BT_DBG("%s", hdev->name);
3820
3821 bacpy(&ev.addr.bdaddr, bdaddr);
3822 ev.addr.type = link_to_bdaddr(link_type, addr_type);
3823 ev.passkey = __cpu_to_le32(passkey);
3824 ev.entered = entered;
3825
3826 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
3827}
3828
bab73cb6 3829int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 3830 u8 addr_type, u8 status)
2a611692
JH
3831{
3832 struct mgmt_ev_auth_failed ev;
3833
bab73cb6 3834 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 3835 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 3836 ev.status = mgmt_status(status);
2a611692 3837
744cf19e 3838 return mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL);
2a611692 3839}
b312b161 3840
33ef95ed
JH
3841int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
3842{
3843 struct cmd_lookup match = { NULL, hdev };
47990ea0
JH
3844 bool changed = false;
3845 int err = 0;
33ef95ed
JH
3846
3847 if (status) {
3848 u8 mgmt_err = mgmt_status(status);
3849 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 3850 cmd_status_rsp, &mgmt_err);
33ef95ed
JH
3851 return 0;
3852 }
3853
47990ea0
JH
3854 if (test_bit(HCI_AUTH, &hdev->flags)) {
3855 if (!test_and_set_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
3856 changed = true;
3857 } else {
3858 if (test_and_clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
3859 changed = true;
3860 }
3861
33ef95ed 3862 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 3863 &match);
33ef95ed 3864
47990ea0
JH
3865 if (changed)
3866 err = new_settings(hdev, match.sk);
33ef95ed
JH
3867
3868 if (match.sk)
3869 sock_put(match.sk);
3870
3871 return err;
3872}
3873
890ea898 3874static void clear_eir(struct hci_request *req)
cacaf52f 3875{
890ea898 3876 struct hci_dev *hdev = req->hdev;
cacaf52f
JH
3877 struct hci_cp_write_eir cp;
3878
976eb20e 3879 if (!lmp_ext_inq_capable(hdev))
890ea898 3880 return;
cacaf52f 3881
c80da27e
JH
3882 memset(hdev->eir, 0, sizeof(hdev->eir));
3883
cacaf52f
JH
3884 memset(&cp, 0, sizeof(cp));
3885
890ea898 3886 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH
3887}
3888
c0ecddc2 3889int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH
3890{
3891 struct cmd_lookup match = { NULL, hdev };
890ea898 3892 struct hci_request req;
c0ecddc2
JH
3893 bool changed = false;
3894 int err = 0;
ed2c4ee3
JH
3895
3896 if (status) {
3897 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH
3898
3899 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
04124681 3900 &hdev->dev_flags))
c0ecddc2
JH
3901 err = new_settings(hdev, NULL);
3902
04124681
GP
3903 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
3904 &mgmt_err);
c0ecddc2
JH
3905
3906 return err;
3907 }
3908
3909 if (enable) {
3910 if (!test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
3911 changed = true;
3912 } else {
3913 if (test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
3914 changed = true;
ed2c4ee3
JH
3915 }
3916
3917 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
3918
c0ecddc2
JH
3919 if (changed)
3920 err = new_settings(hdev, match.sk);
ed2c4ee3 3921
5fc6ebb1 3922 if (match.sk)
ed2c4ee3
JH
3923 sock_put(match.sk);
3924
890ea898
JH
3925 hci_req_init(&req, hdev);
3926
5fc6ebb1 3927 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 3928 update_eir(&req);
5fc6ebb1 3929 else
890ea898
JH
3930 clear_eir(&req);
3931
3932 hci_req_run(&req, NULL);
cacaf52f 3933
ed2c4ee3
JH
3934 return err;
3935}
3936
92da6097 3937static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH
3938{
3939 struct cmd_lookup *match = data;
3940
90e70454
JH
3941 if (match->sk == NULL) {
3942 match->sk = cmd->sk;
3943 sock_hold(match->sk);
3944 }
90e70454
JH
3945}
3946
7f9a903c 3947int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
04124681 3948 u8 status)
7f9a903c 3949{
90e70454
JH
3950 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
3951 int err = 0;
7f9a903c 3952
92da6097
JH
3953 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
3954 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
3955 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH
3956
3957 if (!status)
04124681
GP
3958 err = mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class,
3959 3, NULL);
90e70454
JH
3960
3961 if (match.sk)
3962 sock_put(match.sk);
7f9a903c
MH
3963
3964 return err;
3965}
3966
744cf19e 3967int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 3968{
b312b161 3969 struct mgmt_cp_set_local_name ev;
13928971 3970 struct pending_cmd *cmd;
28cc7bde 3971
13928971
JH
3972 if (status)
3973 return 0;
b312b161
JH
3974
3975 memset(&ev, 0, sizeof(ev));
3976 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 3977 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 3978
2e58ef3e 3979 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH
3980 if (!cmd) {
3981 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 3982
13928971
JH
3983 /* If this is a HCI command related to powering on the
3984 * HCI dev don't send any mgmt signals.
3985 */
3986 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
3987 return 0;
890ea898 3988 }
b312b161 3989
13928971
JH
3990 return mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
3991 cmd ? cmd->sk : NULL);
b312b161 3992}
c35938b2 3993
744cf19e 3994int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
04124681 3995 u8 *randomizer, u8 status)
c35938b2
SJ
3996{
3997 struct pending_cmd *cmd;
3998 int err;
3999
744cf19e 4000 BT_DBG("%s status %u", hdev->name, status);
c35938b2 4001
2e58ef3e 4002 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2
SJ
4003 if (!cmd)
4004 return -ENOENT;
4005
4006 if (status) {
04124681
GP
4007 err = cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
4008 mgmt_status(status));
c35938b2
SJ
4009 } else {
4010 struct mgmt_rp_read_local_oob_data rp;
4011
4012 memcpy(rp.hash, hash, sizeof(rp.hash));
4013 memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer));
4014
744cf19e 4015 err = cmd_complete(cmd->sk, hdev->id,
04124681
GP
4016 MGMT_OP_READ_LOCAL_OOB_DATA, 0, &rp,
4017 sizeof(rp));
c35938b2
SJ
4018 }
4019
4020 mgmt_pending_remove(cmd);
4021
4022 return err;
4023}
e17acd40 4024
06199cf8
JH
4025int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
4026{
4027 struct cmd_lookup match = { NULL, hdev };
4028 bool changed = false;
4029 int err = 0;
4030
4031 if (status) {
4032 u8 mgmt_err = mgmt_status(status);
4033
4034 if (enable && test_and_clear_bit(HCI_LE_ENABLED,
04124681 4035 &hdev->dev_flags))
d97dcb66 4036 err = new_settings(hdev, NULL);
06199cf8 4037
d97dcb66
SJ
4038 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
4039 &mgmt_err);
06199cf8
JH
4040
4041 return err;
4042 }
4043
4044 if (enable) {
4045 if (!test_and_set_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4046 changed = true;
4047 } else {
4048 if (test_and_clear_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4049 changed = true;
4050 }
4051
4052 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
4053
4054 if (changed)
4055 err = new_settings(hdev, match.sk);
4056
4057 if (match.sk)
4058 sock_put(match.sk);
4059
4060 return err;
4061}
4062
48264f06 4063int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681
GP
4064 u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, u8
4065 ssp, u8 *eir, u16 eir_len)
e17acd40 4066{
e319d2e7
JH
4067 char buf[512];
4068 struct mgmt_ev_device_found *ev = (void *) buf;
1dc06093 4069 size_t ev_size;
e17acd40 4070
1dc06093
JH
4071 /* Leave 5 bytes for a potential CoD field */
4072 if (sizeof(*ev) + eir_len + 5 > sizeof(buf))
7d262f86
AG
4073 return -EINVAL;
4074
1dc06093
JH
4075 memset(buf, 0, sizeof(buf));
4076
e319d2e7 4077 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 4078 ev->addr.type = link_to_bdaddr(link_type, addr_type);
e319d2e7 4079 ev->rssi = rssi;
9a395a80 4080 if (cfm_name)
612dfce9 4081 ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME);
388fc8fa 4082 if (!ssp)
612dfce9 4083 ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING);
e17acd40 4084
1dc06093 4085 if (eir_len > 0)
e319d2e7 4086 memcpy(ev->eir, eir, eir_len);
e17acd40 4087
1dc06093
JH
4088 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
4089 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 4090 dev_class, 3);
1dc06093 4091
eb55ef07 4092 ev->eir_len = cpu_to_le16(eir_len);
1dc06093 4093 ev_size = sizeof(*ev) + eir_len;
f8523598 4094
e319d2e7 4095 return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 4096}
a88a9652 4097
b644ba33 4098int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
04124681 4099 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 4100{
b644ba33
JH
4101 struct mgmt_ev_device_found *ev;
4102 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
4103 u16 eir_len;
a88a9652 4104
b644ba33 4105 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 4106
b644ba33
JH
4107 memset(buf, 0, sizeof(buf));
4108
4109 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 4110 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH
4111 ev->rssi = rssi;
4112
4113 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 4114 name_len);
b644ba33 4115
eb55ef07 4116 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 4117
053c7e0c 4118 return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev,
04124681 4119 sizeof(*ev) + eir_len, NULL);
a88a9652 4120}
314b2381 4121
7a135109 4122int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
164a6e78
JH
4123{
4124 struct pending_cmd *cmd;
f808e166 4125 u8 type;
164a6e78
JH
4126 int err;
4127
203159d4
AG
4128 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4129
2e58ef3e 4130 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78
JH
4131 if (!cmd)
4132 return -ENOENT;
4133
f808e166
JH
4134 type = hdev->discovery.type;
4135
4136 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
04124681 4137 &type, sizeof(type));
164a6e78
JH
4138 mgmt_pending_remove(cmd);
4139
4140 return err;
4141}
4142
e6d465cb
AG
4143int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
4144{
4145 struct pending_cmd *cmd;
4146 int err;
4147
4148 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
4149 if (!cmd)
4150 return -ENOENT;
4151
d930650b 4152 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
04124681 4153 &hdev->discovery.type, sizeof(hdev->discovery.type));
164a6e78
JH
4154 mgmt_pending_remove(cmd);
4155
4156 return err;
4157}
4158
744cf19e 4159int mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 4160{
f963e8e9 4161 struct mgmt_ev_discovering ev;
164a6e78
JH
4162 struct pending_cmd *cmd;
4163
343fb145
AG
4164 BT_DBG("%s discovering %u", hdev->name, discovering);
4165
164a6e78 4166 if (discovering)
2e58ef3e 4167 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78 4168 else
2e58ef3e 4169 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
164a6e78
JH
4170
4171 if (cmd != NULL) {
f808e166
JH
4172 u8 type = hdev->discovery.type;
4173
04124681
GP
4174 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
4175 sizeof(type));
164a6e78
JH
4176 mgmt_pending_remove(cmd);
4177 }
4178
f963e8e9
JH
4179 memset(&ev, 0, sizeof(ev));
4180 ev.type = hdev->discovery.type;
4181 ev.discovering = discovering;
4182
4183 return mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 4184}
5e762444 4185
88c1fe4b 4186int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
5e762444
AJ
4187{
4188 struct pending_cmd *cmd;
4189 struct mgmt_ev_device_blocked ev;
4190
2e58ef3e 4191 cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev);
5e762444 4192
88c1fe4b
JH
4193 bacpy(&ev.addr.bdaddr, bdaddr);
4194 ev.addr.type = type;
5e762444 4195
744cf19e 4196 return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev),
04124681 4197 cmd ? cmd->sk : NULL);
5e762444
AJ
4198}
4199
88c1fe4b 4200int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
5e762444
AJ
4201{
4202 struct pending_cmd *cmd;
4203 struct mgmt_ev_device_unblocked ev;
4204
2e58ef3e 4205 cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev);
5e762444 4206
88c1fe4b
JH
4207 bacpy(&ev.addr.bdaddr, bdaddr);
4208 ev.addr.type = type;
5e762444 4209
744cf19e 4210 return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev),
04124681 4211 cmd ? cmd->sk : NULL);
5e762444 4212}
d7b7e796
MH
4213
4214module_param(enable_hs, bool, 0644);
4215MODULE_PARM_DESC(enable_hs, "Enable High Speed support");