2 BlueZ - Bluetooth protocol stack for Linux
4 Copyright (C) 2010 Nokia Corporation
5 Copyright (C) 2011-2012 Intel Corporation
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;
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.
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.
25 /* Bluetooth HCI Management interface */
27 #include <linux/module.h>
28 #include <asm/unaligned.h>
30 #include <net/bluetooth/bluetooth.h>
31 #include <net/bluetooth/hci_core.h>
32 #include <net/bluetooth/hci_sock.h>
33 #include <net/bluetooth/l2cap.h>
34 #include <net/bluetooth/mgmt.h>
36 #include "hci_request.h"
38 #include "mgmt_util.h"
40 #define MGMT_VERSION 1
41 #define MGMT_REVISION 11
43 static const u16 mgmt_commands[] = {
44 MGMT_OP_READ_INDEX_LIST,
47 MGMT_OP_SET_DISCOVERABLE,
48 MGMT_OP_SET_CONNECTABLE,
49 MGMT_OP_SET_FAST_CONNECTABLE,
51 MGMT_OP_SET_LINK_SECURITY,
55 MGMT_OP_SET_DEV_CLASS,
56 MGMT_OP_SET_LOCAL_NAME,
59 MGMT_OP_LOAD_LINK_KEYS,
60 MGMT_OP_LOAD_LONG_TERM_KEYS,
62 MGMT_OP_GET_CONNECTIONS,
63 MGMT_OP_PIN_CODE_REPLY,
64 MGMT_OP_PIN_CODE_NEG_REPLY,
65 MGMT_OP_SET_IO_CAPABILITY,
67 MGMT_OP_CANCEL_PAIR_DEVICE,
68 MGMT_OP_UNPAIR_DEVICE,
69 MGMT_OP_USER_CONFIRM_REPLY,
70 MGMT_OP_USER_CONFIRM_NEG_REPLY,
71 MGMT_OP_USER_PASSKEY_REPLY,
72 MGMT_OP_USER_PASSKEY_NEG_REPLY,
73 MGMT_OP_READ_LOCAL_OOB_DATA,
74 MGMT_OP_ADD_REMOTE_OOB_DATA,
75 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
76 MGMT_OP_START_DISCOVERY,
77 MGMT_OP_STOP_DISCOVERY,
80 MGMT_OP_UNBLOCK_DEVICE,
81 MGMT_OP_SET_DEVICE_ID,
82 MGMT_OP_SET_ADVERTISING,
84 MGMT_OP_SET_STATIC_ADDRESS,
85 MGMT_OP_SET_SCAN_PARAMS,
86 MGMT_OP_SET_SECURE_CONN,
87 MGMT_OP_SET_DEBUG_KEYS,
90 MGMT_OP_GET_CONN_INFO,
91 MGMT_OP_GET_CLOCK_INFO,
93 MGMT_OP_REMOVE_DEVICE,
94 MGMT_OP_LOAD_CONN_PARAM,
95 MGMT_OP_READ_UNCONF_INDEX_LIST,
96 MGMT_OP_READ_CONFIG_INFO,
97 MGMT_OP_SET_EXTERNAL_CONFIG,
98 MGMT_OP_SET_PUBLIC_ADDRESS,
99 MGMT_OP_START_SERVICE_DISCOVERY,
100 MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
101 MGMT_OP_READ_EXT_INDEX_LIST,
102 MGMT_OP_READ_ADV_FEATURES,
103 MGMT_OP_ADD_ADVERTISING,
104 MGMT_OP_REMOVE_ADVERTISING,
105 MGMT_OP_GET_ADV_SIZE_INFO,
106 MGMT_OP_START_LIMITED_DISCOVERY,
109 static const u16 mgmt_events[] = {
110 MGMT_EV_CONTROLLER_ERROR,
112 MGMT_EV_INDEX_REMOVED,
113 MGMT_EV_NEW_SETTINGS,
114 MGMT_EV_CLASS_OF_DEV_CHANGED,
115 MGMT_EV_LOCAL_NAME_CHANGED,
116 MGMT_EV_NEW_LINK_KEY,
117 MGMT_EV_NEW_LONG_TERM_KEY,
118 MGMT_EV_DEVICE_CONNECTED,
119 MGMT_EV_DEVICE_DISCONNECTED,
120 MGMT_EV_CONNECT_FAILED,
121 MGMT_EV_PIN_CODE_REQUEST,
122 MGMT_EV_USER_CONFIRM_REQUEST,
123 MGMT_EV_USER_PASSKEY_REQUEST,
125 MGMT_EV_DEVICE_FOUND,
127 MGMT_EV_DEVICE_BLOCKED,
128 MGMT_EV_DEVICE_UNBLOCKED,
129 MGMT_EV_DEVICE_UNPAIRED,
130 MGMT_EV_PASSKEY_NOTIFY,
133 MGMT_EV_DEVICE_ADDED,
134 MGMT_EV_DEVICE_REMOVED,
135 MGMT_EV_NEW_CONN_PARAM,
136 MGMT_EV_UNCONF_INDEX_ADDED,
137 MGMT_EV_UNCONF_INDEX_REMOVED,
138 MGMT_EV_NEW_CONFIG_OPTIONS,
139 MGMT_EV_EXT_INDEX_ADDED,
140 MGMT_EV_EXT_INDEX_REMOVED,
141 MGMT_EV_LOCAL_OOB_DATA_UPDATED,
142 MGMT_EV_ADVERTISING_ADDED,
143 MGMT_EV_ADVERTISING_REMOVED,
146 static const u16 mgmt_untrusted_commands[] = {
147 MGMT_OP_READ_INDEX_LIST,
149 MGMT_OP_READ_UNCONF_INDEX_LIST,
150 MGMT_OP_READ_CONFIG_INFO,
151 MGMT_OP_READ_EXT_INDEX_LIST,
154 static const u16 mgmt_untrusted_events[] = {
156 MGMT_EV_INDEX_REMOVED,
157 MGMT_EV_NEW_SETTINGS,
158 MGMT_EV_CLASS_OF_DEV_CHANGED,
159 MGMT_EV_LOCAL_NAME_CHANGED,
160 MGMT_EV_UNCONF_INDEX_ADDED,
161 MGMT_EV_UNCONF_INDEX_REMOVED,
162 MGMT_EV_NEW_CONFIG_OPTIONS,
163 MGMT_EV_EXT_INDEX_ADDED,
164 MGMT_EV_EXT_INDEX_REMOVED,
167 #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
169 #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
170 "\x00\x00\x00\x00\x00\x00\x00\x00"
172 /* HCI to MGMT error code conversion table */
173 static u8 mgmt_status_table[] = {
175 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
176 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
177 MGMT_STATUS_FAILED, /* Hardware Failure */
178 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
179 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
180 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
181 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
182 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
183 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
184 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
185 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
186 MGMT_STATUS_BUSY, /* Command Disallowed */
187 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
188 MGMT_STATUS_REJECTED, /* Rejected Security */
189 MGMT_STATUS_REJECTED, /* Rejected Personal */
190 MGMT_STATUS_TIMEOUT, /* Host Timeout */
191 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
192 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
193 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
194 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
195 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
196 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
197 MGMT_STATUS_BUSY, /* Repeated Attempts */
198 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
199 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
200 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
201 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
202 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
203 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
204 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
205 MGMT_STATUS_FAILED, /* Unspecified Error */
206 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
207 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
208 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
209 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
210 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
211 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
212 MGMT_STATUS_FAILED, /* Unit Link Key Used */
213 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
214 MGMT_STATUS_TIMEOUT, /* Instant Passed */
215 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
216 MGMT_STATUS_FAILED, /* Transaction Collision */
217 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
218 MGMT_STATUS_REJECTED, /* QoS Rejected */
219 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
220 MGMT_STATUS_REJECTED, /* Insufficient Security */
221 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
222 MGMT_STATUS_BUSY, /* Role Switch Pending */
223 MGMT_STATUS_FAILED, /* Slot Violation */
224 MGMT_STATUS_FAILED, /* Role Switch Failed */
225 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
226 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
227 MGMT_STATUS_BUSY, /* Host Busy Pairing */
228 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
229 MGMT_STATUS_BUSY, /* Controller Busy */
230 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
231 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
232 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
233 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
234 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
237 static u8 mgmt_status(u8 hci_status)
239 if (hci_status < ARRAY_SIZE(mgmt_status_table))
240 return mgmt_status_table[hci_status];
242 return MGMT_STATUS_FAILED;
245 static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
248 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
252 static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
253 u16 len, int flag, struct sock *skip_sk)
255 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
259 static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
260 u16 len, struct sock *skip_sk)
262 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
263 HCI_MGMT_GENERIC_EVENTS, skip_sk);
266 static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
267 struct sock *skip_sk)
269 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
270 HCI_SOCK_TRUSTED, skip_sk);
273 static u8 le_addr_type(u8 mgmt_addr_type)
275 if (mgmt_addr_type == BDADDR_LE_PUBLIC)
276 return ADDR_LE_DEV_PUBLIC;
278 return ADDR_LE_DEV_RANDOM;
281 static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
284 struct mgmt_rp_read_version rp;
286 BT_DBG("sock %p", sk);
288 rp.version = MGMT_VERSION;
289 rp.revision = cpu_to_le16(MGMT_REVISION);
291 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
295 static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
298 struct mgmt_rp_read_commands *rp;
299 u16 num_commands, num_events;
303 BT_DBG("sock %p", sk);
305 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
306 num_commands = ARRAY_SIZE(mgmt_commands);
307 num_events = ARRAY_SIZE(mgmt_events);
309 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
310 num_events = ARRAY_SIZE(mgmt_untrusted_events);
313 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
315 rp = kmalloc(rp_size, GFP_KERNEL);
319 rp->num_commands = cpu_to_le16(num_commands);
320 rp->num_events = cpu_to_le16(num_events);
322 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
323 __le16 *opcode = rp->opcodes;
325 for (i = 0; i < num_commands; i++, opcode++)
326 put_unaligned_le16(mgmt_commands[i], opcode);
328 for (i = 0; i < num_events; i++, opcode++)
329 put_unaligned_le16(mgmt_events[i], opcode);
331 __le16 *opcode = rp->opcodes;
333 for (i = 0; i < num_commands; i++, opcode++)
334 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
336 for (i = 0; i < num_events; i++, opcode++)
337 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
340 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
347 static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
350 struct mgmt_rp_read_index_list *rp;
356 BT_DBG("sock %p", sk);
358 read_lock(&hci_dev_list_lock);
361 list_for_each_entry(d, &hci_dev_list, list) {
362 if (d->dev_type == HCI_BREDR &&
363 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
367 rp_len = sizeof(*rp) + (2 * count);
368 rp = kmalloc(rp_len, GFP_ATOMIC);
370 read_unlock(&hci_dev_list_lock);
375 list_for_each_entry(d, &hci_dev_list, list) {
376 if (hci_dev_test_flag(d, HCI_SETUP) ||
377 hci_dev_test_flag(d, HCI_CONFIG) ||
378 hci_dev_test_flag(d, HCI_USER_CHANNEL))
381 /* Devices marked as raw-only are neither configured
382 * nor unconfigured controllers.
384 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
387 if (d->dev_type == HCI_BREDR &&
388 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
389 rp->index[count++] = cpu_to_le16(d->id);
390 BT_DBG("Added hci%u", d->id);
394 rp->num_controllers = cpu_to_le16(count);
395 rp_len = sizeof(*rp) + (2 * count);
397 read_unlock(&hci_dev_list_lock);
399 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
407 static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
408 void *data, u16 data_len)
410 struct mgmt_rp_read_unconf_index_list *rp;
416 BT_DBG("sock %p", sk);
418 read_lock(&hci_dev_list_lock);
421 list_for_each_entry(d, &hci_dev_list, list) {
422 if (d->dev_type == HCI_BREDR &&
423 hci_dev_test_flag(d, HCI_UNCONFIGURED))
427 rp_len = sizeof(*rp) + (2 * count);
428 rp = kmalloc(rp_len, GFP_ATOMIC);
430 read_unlock(&hci_dev_list_lock);
435 list_for_each_entry(d, &hci_dev_list, list) {
436 if (hci_dev_test_flag(d, HCI_SETUP) ||
437 hci_dev_test_flag(d, HCI_CONFIG) ||
438 hci_dev_test_flag(d, HCI_USER_CHANNEL))
441 /* Devices marked as raw-only are neither configured
442 * nor unconfigured controllers.
444 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
447 if (d->dev_type == HCI_BREDR &&
448 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
449 rp->index[count++] = cpu_to_le16(d->id);
450 BT_DBG("Added hci%u", d->id);
454 rp->num_controllers = cpu_to_le16(count);
455 rp_len = sizeof(*rp) + (2 * count);
457 read_unlock(&hci_dev_list_lock);
459 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
460 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
467 static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
468 void *data, u16 data_len)
470 struct mgmt_rp_read_ext_index_list *rp;
476 BT_DBG("sock %p", sk);
478 read_lock(&hci_dev_list_lock);
481 list_for_each_entry(d, &hci_dev_list, list) {
482 if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
486 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
487 rp = kmalloc(rp_len, GFP_ATOMIC);
489 read_unlock(&hci_dev_list_lock);
494 list_for_each_entry(d, &hci_dev_list, list) {
495 if (hci_dev_test_flag(d, HCI_SETUP) ||
496 hci_dev_test_flag(d, HCI_CONFIG) ||
497 hci_dev_test_flag(d, HCI_USER_CHANNEL))
500 /* Devices marked as raw-only are neither configured
501 * nor unconfigured controllers.
503 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
506 if (d->dev_type == HCI_BREDR) {
507 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
508 rp->entry[count].type = 0x01;
510 rp->entry[count].type = 0x00;
511 } else if (d->dev_type == HCI_AMP) {
512 rp->entry[count].type = 0x02;
517 rp->entry[count].bus = d->bus;
518 rp->entry[count++].index = cpu_to_le16(d->id);
519 BT_DBG("Added hci%u", d->id);
522 rp->num_controllers = cpu_to_le16(count);
523 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
525 read_unlock(&hci_dev_list_lock);
527 /* If this command is called at least once, then all the
528 * default index and unconfigured index events are disabled
529 * and from now on only extended index events are used.
531 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
532 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
533 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
535 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
536 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
543 static bool is_configured(struct hci_dev *hdev)
545 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
546 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
549 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
550 !bacmp(&hdev->public_addr, BDADDR_ANY))
556 static __le32 get_missing_options(struct hci_dev *hdev)
560 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
561 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
562 options |= MGMT_OPTION_EXTERNAL_CONFIG;
564 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
565 !bacmp(&hdev->public_addr, BDADDR_ANY))
566 options |= MGMT_OPTION_PUBLIC_ADDRESS;
568 return cpu_to_le32(options);
571 static int new_options(struct hci_dev *hdev, struct sock *skip)
573 __le32 options = get_missing_options(hdev);
575 return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
576 sizeof(options), skip);
579 static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
581 __le32 options = get_missing_options(hdev);
583 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
587 static int read_config_info(struct sock *sk, struct hci_dev *hdev,
588 void *data, u16 data_len)
590 struct mgmt_rp_read_config_info rp;
593 BT_DBG("sock %p %s", sk, hdev->name);
597 memset(&rp, 0, sizeof(rp));
598 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
600 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
601 options |= MGMT_OPTION_EXTERNAL_CONFIG;
603 if (hdev->set_bdaddr)
604 options |= MGMT_OPTION_PUBLIC_ADDRESS;
606 rp.supported_options = cpu_to_le32(options);
607 rp.missing_options = get_missing_options(hdev);
609 hci_dev_unlock(hdev);
611 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
615 static u32 get_supported_settings(struct hci_dev *hdev)
619 settings |= MGMT_SETTING_POWERED;
620 settings |= MGMT_SETTING_BONDABLE;
621 settings |= MGMT_SETTING_DEBUG_KEYS;
622 settings |= MGMT_SETTING_CONNECTABLE;
623 settings |= MGMT_SETTING_DISCOVERABLE;
625 if (lmp_bredr_capable(hdev)) {
626 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
627 settings |= MGMT_SETTING_FAST_CONNECTABLE;
628 settings |= MGMT_SETTING_BREDR;
629 settings |= MGMT_SETTING_LINK_SECURITY;
631 if (lmp_ssp_capable(hdev)) {
632 settings |= MGMT_SETTING_SSP;
633 settings |= MGMT_SETTING_HS;
636 if (lmp_sc_capable(hdev))
637 settings |= MGMT_SETTING_SECURE_CONN;
640 if (lmp_le_capable(hdev)) {
641 settings |= MGMT_SETTING_LE;
642 settings |= MGMT_SETTING_ADVERTISING;
643 settings |= MGMT_SETTING_SECURE_CONN;
644 settings |= MGMT_SETTING_PRIVACY;
645 settings |= MGMT_SETTING_STATIC_ADDRESS;
648 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
650 settings |= MGMT_SETTING_CONFIGURATION;
655 static u32 get_current_settings(struct hci_dev *hdev)
659 if (hdev_is_powered(hdev))
660 settings |= MGMT_SETTING_POWERED;
662 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
663 settings |= MGMT_SETTING_CONNECTABLE;
665 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
666 settings |= MGMT_SETTING_FAST_CONNECTABLE;
668 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
669 settings |= MGMT_SETTING_DISCOVERABLE;
671 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
672 settings |= MGMT_SETTING_BONDABLE;
674 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
675 settings |= MGMT_SETTING_BREDR;
677 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
678 settings |= MGMT_SETTING_LE;
680 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
681 settings |= MGMT_SETTING_LINK_SECURITY;
683 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
684 settings |= MGMT_SETTING_SSP;
686 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
687 settings |= MGMT_SETTING_HS;
689 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
690 settings |= MGMT_SETTING_ADVERTISING;
692 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
693 settings |= MGMT_SETTING_SECURE_CONN;
695 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
696 settings |= MGMT_SETTING_DEBUG_KEYS;
698 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
699 settings |= MGMT_SETTING_PRIVACY;
701 /* The current setting for static address has two purposes. The
702 * first is to indicate if the static address will be used and
703 * the second is to indicate if it is actually set.
705 * This means if the static address is not configured, this flag
706 * will never be set. If the address is configured, then if the
707 * address is actually used decides if the flag is set or not.
709 * For single mode LE only controllers and dual-mode controllers
710 * with BR/EDR disabled, the existence of the static address will
713 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
714 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
715 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
716 if (bacmp(&hdev->static_addr, BDADDR_ANY))
717 settings |= MGMT_SETTING_STATIC_ADDRESS;
723 static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
725 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
728 static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
729 struct hci_dev *hdev,
732 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
735 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev)
737 struct mgmt_pending_cmd *cmd;
739 /* If there's a pending mgmt command the flags will not yet have
740 * their final values, so check for this first.
742 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
744 struct mgmt_mode *cp = cmd->param;
746 return LE_AD_GENERAL;
747 else if (cp->val == 0x02)
748 return LE_AD_LIMITED;
750 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
751 return LE_AD_LIMITED;
752 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
753 return LE_AD_GENERAL;
759 bool mgmt_get_connectable(struct hci_dev *hdev)
761 struct mgmt_pending_cmd *cmd;
763 /* If there's a pending mgmt command the flag will not yet have
764 * it's final value, so check for this first.
766 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
768 struct mgmt_mode *cp = cmd->param;
773 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
776 static void service_cache_off(struct work_struct *work)
778 struct hci_dev *hdev = container_of(work, struct hci_dev,
780 struct hci_request req;
782 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
785 hci_req_init(&req, hdev);
789 __hci_req_update_eir(&req);
790 __hci_req_update_class(&req);
792 hci_dev_unlock(hdev);
794 hci_req_run(&req, NULL);
797 static void rpa_expired(struct work_struct *work)
799 struct hci_dev *hdev = container_of(work, struct hci_dev,
801 struct hci_request req;
805 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
807 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
810 /* The generation of a new RPA and programming it into the
811 * controller happens in the hci_req_enable_advertising()
814 hci_req_init(&req, hdev);
815 __hci_req_enable_advertising(&req);
816 hci_req_run(&req, NULL);
819 static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
821 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
824 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
825 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
827 /* Non-mgmt controlled devices get this bit set
828 * implicitly so that pairing works for them, however
829 * for mgmt we require user-space to explicitly enable
832 hci_dev_clear_flag(hdev, HCI_BONDABLE);
835 static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
836 void *data, u16 data_len)
838 struct mgmt_rp_read_info rp;
840 BT_DBG("sock %p %s", sk, hdev->name);
844 memset(&rp, 0, sizeof(rp));
846 bacpy(&rp.bdaddr, &hdev->bdaddr);
848 rp.version = hdev->hci_ver;
849 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
851 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
852 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
854 memcpy(rp.dev_class, hdev->dev_class, 3);
856 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
857 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
859 hci_dev_unlock(hdev);
861 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
865 static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
867 __le32 settings = cpu_to_le32(get_current_settings(hdev));
869 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
873 static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
875 BT_DBG("%s status 0x%02x", hdev->name, status);
877 if (hci_conn_count(hdev) == 0) {
878 cancel_delayed_work(&hdev->power_off);
879 queue_work(hdev->req_workqueue, &hdev->power_off.work);
883 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, u8 instance)
885 struct mgmt_ev_advertising_added ev;
887 ev.instance = instance;
889 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
892 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
895 struct mgmt_ev_advertising_removed ev;
897 ev.instance = instance;
899 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
902 static void cancel_adv_timeout(struct hci_dev *hdev)
904 if (hdev->adv_instance_timeout) {
905 hdev->adv_instance_timeout = 0;
906 cancel_delayed_work(&hdev->adv_instance_expire);
910 static int clean_up_hci_state(struct hci_dev *hdev)
912 struct hci_request req;
913 struct hci_conn *conn;
917 hci_req_init(&req, hdev);
919 if (test_bit(HCI_ISCAN, &hdev->flags) ||
920 test_bit(HCI_PSCAN, &hdev->flags)) {
922 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
925 hci_req_clear_adv_instance(hdev, NULL, 0x00, false);
927 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
928 __hci_req_disable_advertising(&req);
930 discov_stopped = hci_req_stop_discovery(&req);
932 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
933 /* 0x15 == Terminated due to Power Off */
934 __hci_abort_conn(&req, conn, 0x15);
937 err = hci_req_run(&req, clean_up_hci_complete);
938 if (!err && discov_stopped)
939 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
944 static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
947 struct mgmt_mode *cp = data;
948 struct mgmt_pending_cmd *cmd;
951 BT_DBG("request for %s", hdev->name);
953 if (cp->val != 0x00 && cp->val != 0x01)
954 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
955 MGMT_STATUS_INVALID_PARAMS);
959 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
960 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
965 if (!!cp->val == hdev_is_powered(hdev)) {
966 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
970 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
977 queue_work(hdev->req_workqueue, &hdev->power_on);
980 /* Disconnect connections, stop scans, etc */
981 err = clean_up_hci_state(hdev);
983 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
984 HCI_POWER_OFF_TIMEOUT);
986 /* ENODATA means there were no HCI commands queued */
987 if (err == -ENODATA) {
988 cancel_delayed_work(&hdev->power_off);
989 queue_work(hdev->req_workqueue, &hdev->power_off.work);
995 hci_dev_unlock(hdev);
999 static int new_settings(struct hci_dev *hdev, struct sock *skip)
1001 __le32 ev = cpu_to_le32(get_current_settings(hdev));
1003 return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1007 int mgmt_new_settings(struct hci_dev *hdev)
1009 return new_settings(hdev, NULL);
1014 struct hci_dev *hdev;
1018 static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
1020 struct cmd_lookup *match = data;
1022 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1024 list_del(&cmd->list);
1026 if (match->sk == NULL) {
1027 match->sk = cmd->sk;
1028 sock_hold(match->sk);
1031 mgmt_pending_free(cmd);
1034 static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
1038 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1039 mgmt_pending_remove(cmd);
1042 static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
1044 if (cmd->cmd_complete) {
1047 cmd->cmd_complete(cmd, *status);
1048 mgmt_pending_remove(cmd);
1053 cmd_status_rsp(cmd, data);
1056 static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
1058 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1059 cmd->param, cmd->param_len);
1062 static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
1064 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1065 cmd->param, sizeof(struct mgmt_addr_info));
1068 static u8 mgmt_bredr_support(struct hci_dev *hdev)
1070 if (!lmp_bredr_capable(hdev))
1071 return MGMT_STATUS_NOT_SUPPORTED;
1072 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1073 return MGMT_STATUS_REJECTED;
1075 return MGMT_STATUS_SUCCESS;
1078 static u8 mgmt_le_support(struct hci_dev *hdev)
1080 if (!lmp_le_capable(hdev))
1081 return MGMT_STATUS_NOT_SUPPORTED;
1082 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
1083 return MGMT_STATUS_REJECTED;
1085 return MGMT_STATUS_SUCCESS;
1088 void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status)
1090 struct mgmt_pending_cmd *cmd;
1092 BT_DBG("status 0x%02x", status);
1096 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1101 u8 mgmt_err = mgmt_status(status);
1102 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1103 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1107 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1108 hdev->discov_timeout > 0) {
1109 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1110 queue_delayed_work(hdev->req_workqueue, &hdev->discov_off, to);
1113 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1114 new_settings(hdev, cmd->sk);
1117 mgmt_pending_remove(cmd);
1120 hci_dev_unlock(hdev);
1123 static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
1126 struct mgmt_cp_set_discoverable *cp = data;
1127 struct mgmt_pending_cmd *cmd;
1131 BT_DBG("request for %s", hdev->name);
1133 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1134 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1135 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1136 MGMT_STATUS_REJECTED);
1138 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
1139 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1140 MGMT_STATUS_INVALID_PARAMS);
1142 timeout = __le16_to_cpu(cp->timeout);
1144 /* Disabling discoverable requires that no timeout is set,
1145 * and enabling limited discoverable requires a timeout.
1147 if ((cp->val == 0x00 && timeout > 0) ||
1148 (cp->val == 0x02 && timeout == 0))
1149 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1150 MGMT_STATUS_INVALID_PARAMS);
1154 if (!hdev_is_powered(hdev) && timeout > 0) {
1155 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1156 MGMT_STATUS_NOT_POWERED);
1160 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1161 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
1162 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1167 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
1168 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1169 MGMT_STATUS_REJECTED);
1173 if (!hdev_is_powered(hdev)) {
1174 bool changed = false;
1176 /* Setting limited discoverable when powered off is
1177 * not a valid operation since it requires a timeout
1178 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1180 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
1181 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
1185 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1190 err = new_settings(hdev, sk);
1195 /* If the current mode is the same, then just update the timeout
1196 * value with the new value. And if only the timeout gets updated,
1197 * then no need for any HCI transactions.
1199 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1200 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1201 HCI_LIMITED_DISCOVERABLE)) {
1202 cancel_delayed_work(&hdev->discov_off);
1203 hdev->discov_timeout = timeout;
1205 if (cp->val && hdev->discov_timeout > 0) {
1206 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1207 queue_delayed_work(hdev->req_workqueue,
1208 &hdev->discov_off, to);
1211 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1215 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
1221 /* Cancel any potential discoverable timeout that might be
1222 * still active and store new timeout value. The arming of
1223 * the timeout happens in the complete handler.
1225 cancel_delayed_work(&hdev->discov_off);
1226 hdev->discov_timeout = timeout;
1229 hci_dev_set_flag(hdev, HCI_DISCOVERABLE);
1231 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
1233 /* Limited discoverable mode */
1234 if (cp->val == 0x02)
1235 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1237 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1239 queue_work(hdev->req_workqueue, &hdev->discoverable_update);
1243 hci_dev_unlock(hdev);
1247 void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status)
1249 struct mgmt_pending_cmd *cmd;
1251 BT_DBG("status 0x%02x", status);
1255 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1260 u8 mgmt_err = mgmt_status(status);
1261 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1265 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1266 new_settings(hdev, cmd->sk);
1269 mgmt_pending_remove(cmd);
1272 hci_dev_unlock(hdev);
1275 static int set_connectable_update_settings(struct hci_dev *hdev,
1276 struct sock *sk, u8 val)
1278 bool changed = false;
1281 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
1285 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
1287 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
1288 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
1291 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1296 hci_req_update_scan(hdev);
1297 hci_update_background_scan(hdev);
1298 return new_settings(hdev, sk);
1304 static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
1307 struct mgmt_mode *cp = data;
1308 struct mgmt_pending_cmd *cmd;
1311 BT_DBG("request for %s", hdev->name);
1313 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1314 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1315 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1316 MGMT_STATUS_REJECTED);
1318 if (cp->val != 0x00 && cp->val != 0x01)
1319 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1320 MGMT_STATUS_INVALID_PARAMS);
1324 if (!hdev_is_powered(hdev)) {
1325 err = set_connectable_update_settings(hdev, sk, cp->val);
1329 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1330 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
1331 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1336 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
1343 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
1345 if (hdev->discov_timeout > 0)
1346 cancel_delayed_work(&hdev->discov_off);
1348 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1349 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
1350 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
1353 queue_work(hdev->req_workqueue, &hdev->connectable_update);
1357 hci_dev_unlock(hdev);
1361 static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
1364 struct mgmt_mode *cp = data;
1368 BT_DBG("request for %s", hdev->name);
1370 if (cp->val != 0x00 && cp->val != 0x01)
1371 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
1372 MGMT_STATUS_INVALID_PARAMS);
1377 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
1379 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
1381 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
1386 err = new_settings(hdev, sk);
1389 hci_dev_unlock(hdev);
1393 static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1396 struct mgmt_mode *cp = data;
1397 struct mgmt_pending_cmd *cmd;
1401 BT_DBG("request for %s", hdev->name);
1403 status = mgmt_bredr_support(hdev);
1405 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1408 if (cp->val != 0x00 && cp->val != 0x01)
1409 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1410 MGMT_STATUS_INVALID_PARAMS);
1414 if (!hdev_is_powered(hdev)) {
1415 bool changed = false;
1417 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
1418 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
1422 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1427 err = new_settings(hdev, sk);
1432 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
1433 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1440 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1441 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1445 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1451 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1453 mgmt_pending_remove(cmd);
1458 hci_dev_unlock(hdev);
1462 static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
1464 struct mgmt_mode *cp = data;
1465 struct mgmt_pending_cmd *cmd;
1469 BT_DBG("request for %s", hdev->name);
1471 status = mgmt_bredr_support(hdev);
1473 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
1475 if (!lmp_ssp_capable(hdev))
1476 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1477 MGMT_STATUS_NOT_SUPPORTED);
1479 if (cp->val != 0x00 && cp->val != 0x01)
1480 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1481 MGMT_STATUS_INVALID_PARAMS);
1485 if (!hdev_is_powered(hdev)) {
1489 changed = !hci_dev_test_and_set_flag(hdev,
1492 changed = hci_dev_test_and_clear_flag(hdev,
1495 changed = hci_dev_test_and_clear_flag(hdev,
1498 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
1501 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1506 err = new_settings(hdev, sk);
1511 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
1512 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1517 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
1518 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1522 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
1528 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
1529 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
1530 sizeof(cp->val), &cp->val);
1532 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
1534 mgmt_pending_remove(cmd);
1539 hci_dev_unlock(hdev);
1543 static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
1545 struct mgmt_mode *cp = data;
1550 BT_DBG("request for %s", hdev->name);
1552 status = mgmt_bredr_support(hdev);
1554 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
1556 if (!lmp_ssp_capable(hdev))
1557 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1558 MGMT_STATUS_NOT_SUPPORTED);
1560 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
1561 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1562 MGMT_STATUS_REJECTED);
1564 if (cp->val != 0x00 && cp->val != 0x01)
1565 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1566 MGMT_STATUS_INVALID_PARAMS);
1570 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
1571 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1577 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
1579 if (hdev_is_powered(hdev)) {
1580 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1581 MGMT_STATUS_REJECTED);
1585 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
1588 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
1593 err = new_settings(hdev, sk);
1596 hci_dev_unlock(hdev);
1600 static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1602 struct cmd_lookup match = { NULL, hdev };
1607 u8 mgmt_err = mgmt_status(status);
1609 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
1614 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
1616 new_settings(hdev, match.sk);
1621 /* Make sure the controller has a good default for
1622 * advertising data. Restrict the update to when LE
1623 * has actually been enabled. During power on, the
1624 * update in powered_update_hci will take care of it.
1626 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
1627 struct hci_request req;
1629 hci_req_init(&req, hdev);
1630 __hci_req_update_adv_data(&req, 0x00);
1631 __hci_req_update_scan_rsp_data(&req, 0x00);
1632 hci_req_run(&req, NULL);
1633 hci_update_background_scan(hdev);
1637 hci_dev_unlock(hdev);
1640 static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
1642 struct mgmt_mode *cp = data;
1643 struct hci_cp_write_le_host_supported hci_cp;
1644 struct mgmt_pending_cmd *cmd;
1645 struct hci_request req;
1649 BT_DBG("request for %s", hdev->name);
1651 if (!lmp_le_capable(hdev))
1652 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1653 MGMT_STATUS_NOT_SUPPORTED);
1655 if (cp->val != 0x00 && cp->val != 0x01)
1656 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1657 MGMT_STATUS_INVALID_PARAMS);
1659 /* Bluetooth single mode LE only controllers or dual-mode
1660 * controllers configured as LE only devices, do not allow
1661 * switching LE off. These have either LE enabled explicitly
1662 * or BR/EDR has been previously switched off.
1664 * When trying to enable an already enabled LE, then gracefully
1665 * send a positive response. Trying to disable it however will
1666 * result into rejection.
1668 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
1669 if (cp->val == 0x01)
1670 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1672 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1673 MGMT_STATUS_REJECTED);
1679 enabled = lmp_host_le_capable(hdev);
1682 hci_req_clear_adv_instance(hdev, NULL, 0x00, true);
1684 if (!hdev_is_powered(hdev) || val == enabled) {
1685 bool changed = false;
1687 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
1688 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
1692 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
1693 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
1697 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1702 err = new_settings(hdev, sk);
1707 if (pending_find(MGMT_OP_SET_LE, hdev) ||
1708 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
1709 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1714 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
1720 hci_req_init(&req, hdev);
1722 memset(&hci_cp, 0, sizeof(hci_cp));
1726 hci_cp.simul = 0x00;
1728 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
1729 __hci_req_disable_advertising(&req);
1732 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
1735 err = hci_req_run(&req, le_enable_complete);
1737 mgmt_pending_remove(cmd);
1740 hci_dev_unlock(hdev);
1744 /* This is a helper function to test for pending mgmt commands that can
1745 * cause CoD or EIR HCI commands. We can only allow one such pending
1746 * mgmt command at a time since otherwise we cannot easily track what
1747 * the current values are, will be, and based on that calculate if a new
1748 * HCI command needs to be sent and if yes with what value.
1750 static bool pending_eir_or_class(struct hci_dev *hdev)
1752 struct mgmt_pending_cmd *cmd;
1754 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
1755 switch (cmd->opcode) {
1756 case MGMT_OP_ADD_UUID:
1757 case MGMT_OP_REMOVE_UUID:
1758 case MGMT_OP_SET_DEV_CLASS:
1759 case MGMT_OP_SET_POWERED:
1767 static const u8 bluetooth_base_uuid[] = {
1768 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
1769 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1772 static u8 get_uuid_size(const u8 *uuid)
1776 if (memcmp(uuid, bluetooth_base_uuid, 12))
1779 val = get_unaligned_le32(&uuid[12]);
1786 static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
1788 struct mgmt_pending_cmd *cmd;
1792 cmd = pending_find(mgmt_op, hdev);
1796 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
1797 mgmt_status(status), hdev->dev_class, 3);
1799 mgmt_pending_remove(cmd);
1802 hci_dev_unlock(hdev);
1805 static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1807 BT_DBG("status 0x%02x", status);
1809 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
1812 static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
1814 struct mgmt_cp_add_uuid *cp = data;
1815 struct mgmt_pending_cmd *cmd;
1816 struct hci_request req;
1817 struct bt_uuid *uuid;
1820 BT_DBG("request for %s", hdev->name);
1824 if (pending_eir_or_class(hdev)) {
1825 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
1830 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
1836 memcpy(uuid->uuid, cp->uuid, 16);
1837 uuid->svc_hint = cp->svc_hint;
1838 uuid->size = get_uuid_size(cp->uuid);
1840 list_add_tail(&uuid->list, &hdev->uuids);
1842 hci_req_init(&req, hdev);
1844 __hci_req_update_class(&req);
1845 __hci_req_update_eir(&req);
1847 err = hci_req_run(&req, add_uuid_complete);
1849 if (err != -ENODATA)
1852 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
1853 hdev->dev_class, 3);
1857 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
1866 hci_dev_unlock(hdev);
1870 static bool enable_service_cache(struct hci_dev *hdev)
1872 if (!hdev_is_powered(hdev))
1875 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
1876 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
1884 static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1886 BT_DBG("status 0x%02x", status);
1888 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
1891 static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
1894 struct mgmt_cp_remove_uuid *cp = data;
1895 struct mgmt_pending_cmd *cmd;
1896 struct bt_uuid *match, *tmp;
1897 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
1898 struct hci_request req;
1901 BT_DBG("request for %s", hdev->name);
1905 if (pending_eir_or_class(hdev)) {
1906 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1911 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
1912 hci_uuids_clear(hdev);
1914 if (enable_service_cache(hdev)) {
1915 err = mgmt_cmd_complete(sk, hdev->id,
1916 MGMT_OP_REMOVE_UUID,
1917 0, hdev->dev_class, 3);
1926 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
1927 if (memcmp(match->uuid, cp->uuid, 16) != 0)
1930 list_del(&match->list);
1936 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1937 MGMT_STATUS_INVALID_PARAMS);
1942 hci_req_init(&req, hdev);
1944 __hci_req_update_class(&req);
1945 __hci_req_update_eir(&req);
1947 err = hci_req_run(&req, remove_uuid_complete);
1949 if (err != -ENODATA)
1952 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
1953 hdev->dev_class, 3);
1957 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
1966 hci_dev_unlock(hdev);
1970 static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1972 BT_DBG("status 0x%02x", status);
1974 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
1977 static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
1980 struct mgmt_cp_set_dev_class *cp = data;
1981 struct mgmt_pending_cmd *cmd;
1982 struct hci_request req;
1985 BT_DBG("request for %s", hdev->name);
1987 if (!lmp_bredr_capable(hdev))
1988 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
1989 MGMT_STATUS_NOT_SUPPORTED);
1993 if (pending_eir_or_class(hdev)) {
1994 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
1999 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2000 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2001 MGMT_STATUS_INVALID_PARAMS);
2005 hdev->major_class = cp->major;
2006 hdev->minor_class = cp->minor;
2008 if (!hdev_is_powered(hdev)) {
2009 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2010 hdev->dev_class, 3);
2014 hci_req_init(&req, hdev);
2016 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
2017 hci_dev_unlock(hdev);
2018 cancel_delayed_work_sync(&hdev->service_cache);
2020 __hci_req_update_eir(&req);
2023 __hci_req_update_class(&req);
2025 err = hci_req_run(&req, set_class_complete);
2027 if (err != -ENODATA)
2030 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2031 hdev->dev_class, 3);
2035 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
2044 hci_dev_unlock(hdev);
2048 static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
2051 struct mgmt_cp_load_link_keys *cp = data;
2052 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2053 sizeof(struct mgmt_link_key_info));
2054 u16 key_count, expected_len;
2058 BT_DBG("request for %s", hdev->name);
2060 if (!lmp_bredr_capable(hdev))
2061 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2062 MGMT_STATUS_NOT_SUPPORTED);
2064 key_count = __le16_to_cpu(cp->key_count);
2065 if (key_count > max_key_count) {
2066 BT_ERR("load_link_keys: too big key_count value %u",
2068 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2069 MGMT_STATUS_INVALID_PARAMS);
2072 expected_len = sizeof(*cp) + key_count *
2073 sizeof(struct mgmt_link_key_info);
2074 if (expected_len != len) {
2075 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2077 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2078 MGMT_STATUS_INVALID_PARAMS);
2081 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2082 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2083 MGMT_STATUS_INVALID_PARAMS);
2085 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
2088 for (i = 0; i < key_count; i++) {
2089 struct mgmt_link_key_info *key = &cp->keys[i];
2091 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
2092 return mgmt_cmd_status(sk, hdev->id,
2093 MGMT_OP_LOAD_LINK_KEYS,
2094 MGMT_STATUS_INVALID_PARAMS);
2099 hci_link_keys_clear(hdev);
2102 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
2104 changed = hci_dev_test_and_clear_flag(hdev,
2105 HCI_KEEP_DEBUG_KEYS);
2108 new_settings(hdev, NULL);
2110 for (i = 0; i < key_count; i++) {
2111 struct mgmt_link_key_info *key = &cp->keys[i];
2113 /* Always ignore debug keys and require a new pairing if
2114 * the user wants to use them.
2116 if (key->type == HCI_LK_DEBUG_COMBINATION)
2119 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2120 key->type, key->pin_len, NULL);
2123 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
2125 hci_dev_unlock(hdev);
2130 static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
2131 u8 addr_type, struct sock *skip_sk)
2133 struct mgmt_ev_device_unpaired ev;
2135 bacpy(&ev.addr.bdaddr, bdaddr);
2136 ev.addr.type = addr_type;
2138 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
2142 static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
2145 struct mgmt_cp_unpair_device *cp = data;
2146 struct mgmt_rp_unpair_device rp;
2147 struct hci_conn_params *params;
2148 struct mgmt_pending_cmd *cmd;
2149 struct hci_conn *conn;
2153 memset(&rp, 0, sizeof(rp));
2154 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2155 rp.addr.type = cp->addr.type;
2157 if (!bdaddr_type_is_valid(cp->addr.type))
2158 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2159 MGMT_STATUS_INVALID_PARAMS,
2162 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2163 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2164 MGMT_STATUS_INVALID_PARAMS,
2169 if (!hdev_is_powered(hdev)) {
2170 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2171 MGMT_STATUS_NOT_POWERED, &rp,
2176 if (cp->addr.type == BDADDR_BREDR) {
2177 /* If disconnection is requested, then look up the
2178 * connection. If the remote device is connected, it
2179 * will be later used to terminate the link.
2181 * Setting it to NULL explicitly will cause no
2182 * termination of the link.
2185 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2190 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
2192 err = mgmt_cmd_complete(sk, hdev->id,
2193 MGMT_OP_UNPAIR_DEVICE,
2194 MGMT_STATUS_NOT_PAIRED, &rp,
2202 /* LE address type */
2203 addr_type = le_addr_type(cp->addr.type);
2205 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2207 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2209 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2210 MGMT_STATUS_NOT_PAIRED, &rp,
2215 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type);
2217 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2221 /* Abort any ongoing SMP pairing */
2222 smp_cancel_pairing(conn);
2224 /* Defer clearing up the connection parameters until closing to
2225 * give a chance of keeping them if a repairing happens.
2227 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
2229 /* Disable auto-connection parameters if present */
2230 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type);
2232 if (params->explicit_connect)
2233 params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
2235 params->auto_connect = HCI_AUTO_CONN_DISABLED;
2238 /* If disconnection is not requested, then clear the connection
2239 * variable so that the link is not terminated.
2241 if (!cp->disconnect)
2245 /* If the connection variable is set, then termination of the
2246 * link is requested.
2249 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
2251 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
2255 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
2262 cmd->cmd_complete = addr_cmd_complete;
2264 err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
2266 mgmt_pending_remove(cmd);
2269 hci_dev_unlock(hdev);
2273 static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
2276 struct mgmt_cp_disconnect *cp = data;
2277 struct mgmt_rp_disconnect rp;
2278 struct mgmt_pending_cmd *cmd;
2279 struct hci_conn *conn;
2284 memset(&rp, 0, sizeof(rp));
2285 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2286 rp.addr.type = cp->addr.type;
2288 if (!bdaddr_type_is_valid(cp->addr.type))
2289 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2290 MGMT_STATUS_INVALID_PARAMS,
2295 if (!test_bit(HCI_UP, &hdev->flags)) {
2296 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2297 MGMT_STATUS_NOT_POWERED, &rp,
2302 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
2303 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2304 MGMT_STATUS_BUSY, &rp, sizeof(rp));
2308 if (cp->addr.type == BDADDR_BREDR)
2309 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2312 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
2313 le_addr_type(cp->addr.type));
2315 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
2316 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2317 MGMT_STATUS_NOT_CONNECTED, &rp,
2322 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
2328 cmd->cmd_complete = generic_cmd_complete;
2330 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
2332 mgmt_pending_remove(cmd);
2335 hci_dev_unlock(hdev);
2339 static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
2341 switch (link_type) {
2343 switch (addr_type) {
2344 case ADDR_LE_DEV_PUBLIC:
2345 return BDADDR_LE_PUBLIC;
2348 /* Fallback to LE Random address type */
2349 return BDADDR_LE_RANDOM;
2353 /* Fallback to BR/EDR type */
2354 return BDADDR_BREDR;
2358 static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2361 struct mgmt_rp_get_connections *rp;
2371 if (!hdev_is_powered(hdev)) {
2372 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
2373 MGMT_STATUS_NOT_POWERED);
2378 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2379 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2383 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2384 rp = kmalloc(rp_len, GFP_KERNEL);
2391 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2392 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2394 bacpy(&rp->addr[i].bdaddr, &c->dst);
2395 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
2396 if (c->type == SCO_LINK || c->type == ESCO_LINK)
2401 rp->conn_count = cpu_to_le16(i);
2403 /* Recalculate length in case of filtered SCO connections, etc */
2404 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2406 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
2412 hci_dev_unlock(hdev);
2416 static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
2417 struct mgmt_cp_pin_code_neg_reply *cp)
2419 struct mgmt_pending_cmd *cmd;
2422 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
2427 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2428 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
2430 mgmt_pending_remove(cmd);
2435 static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2438 struct hci_conn *conn;
2439 struct mgmt_cp_pin_code_reply *cp = data;
2440 struct hci_cp_pin_code_reply reply;
2441 struct mgmt_pending_cmd *cmd;
2448 if (!hdev_is_powered(hdev)) {
2449 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2450 MGMT_STATUS_NOT_POWERED);
2454 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
2456 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2457 MGMT_STATUS_NOT_CONNECTED);
2461 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
2462 struct mgmt_cp_pin_code_neg_reply ncp;
2464 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
2466 BT_ERR("PIN code is not 16 bytes long");
2468 err = send_pin_code_neg_reply(sk, hdev, &ncp);
2470 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2471 MGMT_STATUS_INVALID_PARAMS);
2476 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
2482 cmd->cmd_complete = addr_cmd_complete;
2484 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
2485 reply.pin_len = cp->pin_len;
2486 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
2488 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2490 mgmt_pending_remove(cmd);
2493 hci_dev_unlock(hdev);
2497 static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
2500 struct mgmt_cp_set_io_capability *cp = data;
2504 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2505 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
2506 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
2510 hdev->io_capability = cp->io_capability;
2512 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
2513 hdev->io_capability);
2515 hci_dev_unlock(hdev);
2517 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
2521 static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
2523 struct hci_dev *hdev = conn->hdev;
2524 struct mgmt_pending_cmd *cmd;
2526 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2527 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
2530 if (cmd->user_data != conn)
2539 static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
2541 struct mgmt_rp_pair_device rp;
2542 struct hci_conn *conn = cmd->user_data;
2545 bacpy(&rp.addr.bdaddr, &conn->dst);
2546 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
2548 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
2549 status, &rp, sizeof(rp));
2551 /* So we don't get further callbacks for this connection */
2552 conn->connect_cfm_cb = NULL;
2553 conn->security_cfm_cb = NULL;
2554 conn->disconn_cfm_cb = NULL;
2556 hci_conn_drop(conn);
2558 /* The device is paired so there is no need to remove
2559 * its connection parameters anymore.
2561 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
2568 void mgmt_smp_complete(struct hci_conn *conn, bool complete)
2570 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
2571 struct mgmt_pending_cmd *cmd;
2573 cmd = find_pairing(conn);
2575 cmd->cmd_complete(cmd, status);
2576 mgmt_pending_remove(cmd);
2580 static void pairing_complete_cb(struct hci_conn *conn, u8 status)
2582 struct mgmt_pending_cmd *cmd;
2584 BT_DBG("status %u", status);
2586 cmd = find_pairing(conn);
2588 BT_DBG("Unable to find a pending command");
2592 cmd->cmd_complete(cmd, mgmt_status(status));
2593 mgmt_pending_remove(cmd);
2596 static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
2598 struct mgmt_pending_cmd *cmd;
2600 BT_DBG("status %u", status);
2605 cmd = find_pairing(conn);
2607 BT_DBG("Unable to find a pending command");
2611 cmd->cmd_complete(cmd, mgmt_status(status));
2612 mgmt_pending_remove(cmd);
2615 static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
2618 struct mgmt_cp_pair_device *cp = data;
2619 struct mgmt_rp_pair_device rp;
2620 struct mgmt_pending_cmd *cmd;
2621 u8 sec_level, auth_type;
2622 struct hci_conn *conn;
2627 memset(&rp, 0, sizeof(rp));
2628 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2629 rp.addr.type = cp->addr.type;
2631 if (!bdaddr_type_is_valid(cp->addr.type))
2632 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2633 MGMT_STATUS_INVALID_PARAMS,
2636 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2637 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2638 MGMT_STATUS_INVALID_PARAMS,
2643 if (!hdev_is_powered(hdev)) {
2644 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2645 MGMT_STATUS_NOT_POWERED, &rp,
2650 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
2651 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2652 MGMT_STATUS_ALREADY_PAIRED, &rp,
2657 sec_level = BT_SECURITY_MEDIUM;
2658 auth_type = HCI_AT_DEDICATED_BONDING;
2660 if (cp->addr.type == BDADDR_BREDR) {
2661 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
2664 u8 addr_type = le_addr_type(cp->addr.type);
2665 struct hci_conn_params *p;
2667 /* When pairing a new device, it is expected to remember
2668 * this device for future connections. Adding the connection
2669 * parameter information ahead of time allows tracking
2670 * of the slave preferred values and will speed up any
2671 * further connection establishment.
2673 * If connection parameters already exist, then they
2674 * will be kept and this function does nothing.
2676 p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
2678 if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
2679 p->auto_connect = HCI_AUTO_CONN_DISABLED;
2681 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
2682 addr_type, sec_level,
2683 HCI_LE_CONN_TIMEOUT);
2689 if (PTR_ERR(conn) == -EBUSY)
2690 status = MGMT_STATUS_BUSY;
2691 else if (PTR_ERR(conn) == -EOPNOTSUPP)
2692 status = MGMT_STATUS_NOT_SUPPORTED;
2693 else if (PTR_ERR(conn) == -ECONNREFUSED)
2694 status = MGMT_STATUS_REJECTED;
2696 status = MGMT_STATUS_CONNECT_FAILED;
2698 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2699 status, &rp, sizeof(rp));
2703 if (conn->connect_cfm_cb) {
2704 hci_conn_drop(conn);
2705 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2706 MGMT_STATUS_BUSY, &rp, sizeof(rp));
2710 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
2713 hci_conn_drop(conn);
2717 cmd->cmd_complete = pairing_complete;
2719 /* For LE, just connecting isn't a proof that the pairing finished */
2720 if (cp->addr.type == BDADDR_BREDR) {
2721 conn->connect_cfm_cb = pairing_complete_cb;
2722 conn->security_cfm_cb = pairing_complete_cb;
2723 conn->disconn_cfm_cb = pairing_complete_cb;
2725 conn->connect_cfm_cb = le_pairing_complete_cb;
2726 conn->security_cfm_cb = le_pairing_complete_cb;
2727 conn->disconn_cfm_cb = le_pairing_complete_cb;
2730 conn->io_capability = cp->io_cap;
2731 cmd->user_data = hci_conn_get(conn);
2733 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
2734 hci_conn_security(conn, sec_level, auth_type, true)) {
2735 cmd->cmd_complete(cmd, 0);
2736 mgmt_pending_remove(cmd);
2742 hci_dev_unlock(hdev);
2746 static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
2749 struct mgmt_addr_info *addr = data;
2750 struct mgmt_pending_cmd *cmd;
2751 struct hci_conn *conn;
2758 if (!hdev_is_powered(hdev)) {
2759 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2760 MGMT_STATUS_NOT_POWERED);
2764 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
2766 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2767 MGMT_STATUS_INVALID_PARAMS);
2771 conn = cmd->user_data;
2773 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
2774 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2775 MGMT_STATUS_INVALID_PARAMS);
2779 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
2780 mgmt_pending_remove(cmd);
2782 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
2783 addr, sizeof(*addr));
2785 hci_dev_unlock(hdev);
2789 static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
2790 struct mgmt_addr_info *addr, u16 mgmt_op,
2791 u16 hci_op, __le32 passkey)
2793 struct mgmt_pending_cmd *cmd;
2794 struct hci_conn *conn;
2799 if (!hdev_is_powered(hdev)) {
2800 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2801 MGMT_STATUS_NOT_POWERED, addr,
2806 if (addr->type == BDADDR_BREDR)
2807 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
2809 conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr,
2810 le_addr_type(addr->type));
2813 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2814 MGMT_STATUS_NOT_CONNECTED, addr,
2819 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
2820 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
2822 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2823 MGMT_STATUS_SUCCESS, addr,
2826 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2827 MGMT_STATUS_FAILED, addr,
2833 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
2839 cmd->cmd_complete = addr_cmd_complete;
2841 /* Continue with pairing via HCI */
2842 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
2843 struct hci_cp_user_passkey_reply cp;
2845 bacpy(&cp.bdaddr, &addr->bdaddr);
2846 cp.passkey = passkey;
2847 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
2849 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
2853 mgmt_pending_remove(cmd);
2856 hci_dev_unlock(hdev);
2860 static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
2861 void *data, u16 len)
2863 struct mgmt_cp_pin_code_neg_reply *cp = data;
2867 return user_pairing_resp(sk, hdev, &cp->addr,
2868 MGMT_OP_PIN_CODE_NEG_REPLY,
2869 HCI_OP_PIN_CODE_NEG_REPLY, 0);
2872 static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2875 struct mgmt_cp_user_confirm_reply *cp = data;
2879 if (len != sizeof(*cp))
2880 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
2881 MGMT_STATUS_INVALID_PARAMS);
2883 return user_pairing_resp(sk, hdev, &cp->addr,
2884 MGMT_OP_USER_CONFIRM_REPLY,
2885 HCI_OP_USER_CONFIRM_REPLY, 0);
2888 static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
2889 void *data, u16 len)
2891 struct mgmt_cp_user_confirm_neg_reply *cp = data;
2895 return user_pairing_resp(sk, hdev, &cp->addr,
2896 MGMT_OP_USER_CONFIRM_NEG_REPLY,
2897 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
2900 static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2903 struct mgmt_cp_user_passkey_reply *cp = data;
2907 return user_pairing_resp(sk, hdev, &cp->addr,
2908 MGMT_OP_USER_PASSKEY_REPLY,
2909 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
2912 static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
2913 void *data, u16 len)
2915 struct mgmt_cp_user_passkey_neg_reply *cp = data;
2919 return user_pairing_resp(sk, hdev, &cp->addr,
2920 MGMT_OP_USER_PASSKEY_NEG_REPLY,
2921 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
2924 static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
2926 struct mgmt_cp_set_local_name *cp;
2927 struct mgmt_pending_cmd *cmd;
2929 BT_DBG("status 0x%02x", status);
2933 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
2940 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
2941 mgmt_status(status));
2943 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2946 mgmt_pending_remove(cmd);
2949 hci_dev_unlock(hdev);
2952 static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
2955 struct mgmt_cp_set_local_name *cp = data;
2956 struct mgmt_pending_cmd *cmd;
2957 struct hci_request req;
2964 /* If the old values are the same as the new ones just return a
2965 * direct command complete event.
2967 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
2968 !memcmp(hdev->short_name, cp->short_name,
2969 sizeof(hdev->short_name))) {
2970 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2975 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
2977 if (!hdev_is_powered(hdev)) {
2978 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
2980 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2985 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
2991 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
2997 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
2999 hci_req_init(&req, hdev);
3001 if (lmp_bredr_capable(hdev)) {
3002 __hci_req_update_name(&req);
3003 __hci_req_update_eir(&req);
3006 /* The name is stored in the scan response data and so
3007 * no need to udpate the advertising data here.
3009 if (lmp_le_capable(hdev))
3010 __hci_req_update_scan_rsp_data(&req, hdev->cur_adv_instance);
3012 err = hci_req_run(&req, set_name_complete);
3014 mgmt_pending_remove(cmd);
3017 hci_dev_unlock(hdev);
3021 static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3022 u16 opcode, struct sk_buff *skb)
3024 struct mgmt_rp_read_local_oob_data mgmt_rp;
3025 size_t rp_size = sizeof(mgmt_rp);
3026 struct mgmt_pending_cmd *cmd;
3028 BT_DBG("%s status %u", hdev->name, status);
3030 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3034 if (status || !skb) {
3035 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3036 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3040 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3042 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3043 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3045 if (skb->len < sizeof(*rp)) {
3046 mgmt_cmd_status(cmd->sk, hdev->id,
3047 MGMT_OP_READ_LOCAL_OOB_DATA,
3048 MGMT_STATUS_FAILED);
3052 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3053 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3055 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3057 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3059 if (skb->len < sizeof(*rp)) {
3060 mgmt_cmd_status(cmd->sk, hdev->id,
3061 MGMT_OP_READ_LOCAL_OOB_DATA,
3062 MGMT_STATUS_FAILED);
3066 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3067 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3069 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3070 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3073 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3074 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3077 mgmt_pending_remove(cmd);
3080 static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
3081 void *data, u16 data_len)
3083 struct mgmt_pending_cmd *cmd;
3084 struct hci_request req;
3087 BT_DBG("%s", hdev->name);
3091 if (!hdev_is_powered(hdev)) {
3092 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3093 MGMT_STATUS_NOT_POWERED);
3097 if (!lmp_ssp_capable(hdev)) {
3098 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3099 MGMT_STATUS_NOT_SUPPORTED);
3103 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
3104 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3109 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
3115 hci_req_init(&req, hdev);
3117 if (bredr_sc_enabled(hdev))
3118 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
3120 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3122 err = hci_req_run_skb(&req, read_local_oob_data_complete);
3124 mgmt_pending_remove(cmd);
3127 hci_dev_unlock(hdev);
3131 static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
3132 void *data, u16 len)
3134 struct mgmt_addr_info *addr = data;
3137 BT_DBG("%s ", hdev->name);
3139 if (!bdaddr_type_is_valid(addr->type))
3140 return mgmt_cmd_complete(sk, hdev->id,
3141 MGMT_OP_ADD_REMOTE_OOB_DATA,
3142 MGMT_STATUS_INVALID_PARAMS,
3143 addr, sizeof(*addr));
3147 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3148 struct mgmt_cp_add_remote_oob_data *cp = data;
3151 if (cp->addr.type != BDADDR_BREDR) {
3152 err = mgmt_cmd_complete(sk, hdev->id,
3153 MGMT_OP_ADD_REMOTE_OOB_DATA,
3154 MGMT_STATUS_INVALID_PARAMS,
3155 &cp->addr, sizeof(cp->addr));
3159 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
3160 cp->addr.type, cp->hash,
3161 cp->rand, NULL, NULL);
3163 status = MGMT_STATUS_FAILED;
3165 status = MGMT_STATUS_SUCCESS;
3167 err = mgmt_cmd_complete(sk, hdev->id,
3168 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
3169 &cp->addr, sizeof(cp->addr));
3170 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3171 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
3172 u8 *rand192, *hash192, *rand256, *hash256;
3175 if (bdaddr_type_is_le(cp->addr.type)) {
3176 /* Enforce zero-valued 192-bit parameters as
3177 * long as legacy SMP OOB isn't implemented.
3179 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
3180 memcmp(cp->hash192, ZERO_KEY, 16)) {
3181 err = mgmt_cmd_complete(sk, hdev->id,
3182 MGMT_OP_ADD_REMOTE_OOB_DATA,
3183 MGMT_STATUS_INVALID_PARAMS,
3184 addr, sizeof(*addr));
3191 /* In case one of the P-192 values is set to zero,
3192 * then just disable OOB data for P-192.
3194 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
3195 !memcmp(cp->hash192, ZERO_KEY, 16)) {
3199 rand192 = cp->rand192;
3200 hash192 = cp->hash192;
3204 /* In case one of the P-256 values is set to zero, then just
3205 * disable OOB data for P-256.
3207 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
3208 !memcmp(cp->hash256, ZERO_KEY, 16)) {
3212 rand256 = cp->rand256;
3213 hash256 = cp->hash256;
3216 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
3217 cp->addr.type, hash192, rand192,
3220 status = MGMT_STATUS_FAILED;
3222 status = MGMT_STATUS_SUCCESS;
3224 err = mgmt_cmd_complete(sk, hdev->id,
3225 MGMT_OP_ADD_REMOTE_OOB_DATA,
3226 status, &cp->addr, sizeof(cp->addr));
3228 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3229 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3230 MGMT_STATUS_INVALID_PARAMS);
3234 hci_dev_unlock(hdev);
3238 static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
3239 void *data, u16 len)
3241 struct mgmt_cp_remove_remote_oob_data *cp = data;
3245 BT_DBG("%s", hdev->name);
3247 if (cp->addr.type != BDADDR_BREDR)
3248 return mgmt_cmd_complete(sk, hdev->id,
3249 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3250 MGMT_STATUS_INVALID_PARAMS,
3251 &cp->addr, sizeof(cp->addr));
3255 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
3256 hci_remote_oob_data_clear(hdev);
3257 status = MGMT_STATUS_SUCCESS;
3261 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
3263 status = MGMT_STATUS_INVALID_PARAMS;
3265 status = MGMT_STATUS_SUCCESS;
3268 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3269 status, &cp->addr, sizeof(cp->addr));
3271 hci_dev_unlock(hdev);
3275 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status)
3277 struct mgmt_pending_cmd *cmd;
3279 BT_DBG("status %d", status);
3283 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
3285 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
3288 cmd = pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev);
3291 cmd->cmd_complete(cmd, mgmt_status(status));
3292 mgmt_pending_remove(cmd);
3295 hci_dev_unlock(hdev);
3298 static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
3299 uint8_t *mgmt_status)
3302 case DISCOV_TYPE_LE:
3303 *mgmt_status = mgmt_le_support(hdev);
3307 case DISCOV_TYPE_INTERLEAVED:
3308 *mgmt_status = mgmt_le_support(hdev);
3311 /* Intentional fall-through */
3312 case DISCOV_TYPE_BREDR:
3313 *mgmt_status = mgmt_bredr_support(hdev);
3318 *mgmt_status = MGMT_STATUS_INVALID_PARAMS;
3325 static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
3326 u16 op, void *data, u16 len)
3328 struct mgmt_cp_start_discovery *cp = data;
3329 struct mgmt_pending_cmd *cmd;
3333 BT_DBG("%s", hdev->name);
3337 if (!hdev_is_powered(hdev)) {
3338 err = mgmt_cmd_complete(sk, hdev->id, op,
3339 MGMT_STATUS_NOT_POWERED,
3340 &cp->type, sizeof(cp->type));
3344 if (hdev->discovery.state != DISCOVERY_STOPPED ||
3345 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
3346 err = mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_BUSY,
3347 &cp->type, sizeof(cp->type));
3351 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
3352 err = mgmt_cmd_complete(sk, hdev->id, op, status,
3353 &cp->type, sizeof(cp->type));
3357 /* Clear the discovery filter first to free any previously
3358 * allocated memory for the UUID list.
3360 hci_discovery_filter_clear(hdev);
3362 hdev->discovery.type = cp->type;
3363 hdev->discovery.report_invalid_rssi = false;
3364 if (op == MGMT_OP_START_LIMITED_DISCOVERY)
3365 hdev->discovery.limited = true;
3367 hdev->discovery.limited = false;
3369 cmd = mgmt_pending_add(sk, op, hdev, data, len);
3375 cmd->cmd_complete = generic_cmd_complete;
3377 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
3378 queue_work(hdev->req_workqueue, &hdev->discov_update);
3382 hci_dev_unlock(hdev);
3386 static int start_discovery(struct sock *sk, struct hci_dev *hdev,
3387 void *data, u16 len)
3389 return start_discovery_internal(sk, hdev, MGMT_OP_START_DISCOVERY,
3393 static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev,
3394 void *data, u16 len)
3396 return start_discovery_internal(sk, hdev,
3397 MGMT_OP_START_LIMITED_DISCOVERY,
3401 static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
3404 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
3408 static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
3409 void *data, u16 len)
3411 struct mgmt_cp_start_service_discovery *cp = data;
3412 struct mgmt_pending_cmd *cmd;
3413 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
3414 u16 uuid_count, expected_len;
3418 BT_DBG("%s", hdev->name);
3422 if (!hdev_is_powered(hdev)) {
3423 err = mgmt_cmd_complete(sk, hdev->id,
3424 MGMT_OP_START_SERVICE_DISCOVERY,
3425 MGMT_STATUS_NOT_POWERED,
3426 &cp->type, sizeof(cp->type));
3430 if (hdev->discovery.state != DISCOVERY_STOPPED ||
3431 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
3432 err = mgmt_cmd_complete(sk, hdev->id,
3433 MGMT_OP_START_SERVICE_DISCOVERY,
3434 MGMT_STATUS_BUSY, &cp->type,
3439 uuid_count = __le16_to_cpu(cp->uuid_count);
3440 if (uuid_count > max_uuid_count) {
3441 BT_ERR("service_discovery: too big uuid_count value %u",
3443 err = mgmt_cmd_complete(sk, hdev->id,
3444 MGMT_OP_START_SERVICE_DISCOVERY,
3445 MGMT_STATUS_INVALID_PARAMS, &cp->type,
3450 expected_len = sizeof(*cp) + uuid_count * 16;
3451 if (expected_len != len) {
3452 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
3454 err = mgmt_cmd_complete(sk, hdev->id,
3455 MGMT_OP_START_SERVICE_DISCOVERY,
3456 MGMT_STATUS_INVALID_PARAMS, &cp->type,
3461 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
3462 err = mgmt_cmd_complete(sk, hdev->id,
3463 MGMT_OP_START_SERVICE_DISCOVERY,
3464 status, &cp->type, sizeof(cp->type));
3468 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
3475 cmd->cmd_complete = service_discovery_cmd_complete;
3477 /* Clear the discovery filter first to free any previously
3478 * allocated memory for the UUID list.
3480 hci_discovery_filter_clear(hdev);
3482 hdev->discovery.result_filtering = true;
3483 hdev->discovery.type = cp->type;
3484 hdev->discovery.rssi = cp->rssi;
3485 hdev->discovery.uuid_count = uuid_count;
3487 if (uuid_count > 0) {
3488 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
3490 if (!hdev->discovery.uuids) {
3491 err = mgmt_cmd_complete(sk, hdev->id,
3492 MGMT_OP_START_SERVICE_DISCOVERY,
3494 &cp->type, sizeof(cp->type));
3495 mgmt_pending_remove(cmd);
3500 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
3501 queue_work(hdev->req_workqueue, &hdev->discov_update);
3505 hci_dev_unlock(hdev);
3509 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status)
3511 struct mgmt_pending_cmd *cmd;
3513 BT_DBG("status %d", status);
3517 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3519 cmd->cmd_complete(cmd, mgmt_status(status));
3520 mgmt_pending_remove(cmd);
3523 hci_dev_unlock(hdev);
3526 static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
3529 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3530 struct mgmt_pending_cmd *cmd;
3533 BT_DBG("%s", hdev->name);
3537 if (!hci_discovery_active(hdev)) {
3538 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
3539 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3540 sizeof(mgmt_cp->type));
3544 if (hdev->discovery.type != mgmt_cp->type) {
3545 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
3546 MGMT_STATUS_INVALID_PARAMS,
3547 &mgmt_cp->type, sizeof(mgmt_cp->type));
3551 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
3557 cmd->cmd_complete = generic_cmd_complete;
3559 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
3560 queue_work(hdev->req_workqueue, &hdev->discov_update);
3564 hci_dev_unlock(hdev);
3568 static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
3571 struct mgmt_cp_confirm_name *cp = data;
3572 struct inquiry_entry *e;
3575 BT_DBG("%s", hdev->name);
3579 if (!hci_discovery_active(hdev)) {
3580 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3581 MGMT_STATUS_FAILED, &cp->addr,
3586 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
3588 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3589 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3594 if (cp->name_known) {
3595 e->name_state = NAME_KNOWN;
3598 e->name_state = NAME_NEEDED;
3599 hci_inquiry_cache_update_resolve(hdev, e);
3602 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
3603 &cp->addr, sizeof(cp->addr));
3606 hci_dev_unlock(hdev);
3610 static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
3613 struct mgmt_cp_block_device *cp = data;
3617 BT_DBG("%s", hdev->name);
3619 if (!bdaddr_type_is_valid(cp->addr.type))
3620 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
3621 MGMT_STATUS_INVALID_PARAMS,
3622 &cp->addr, sizeof(cp->addr));
3626 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
3629 status = MGMT_STATUS_FAILED;
3633 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3635 status = MGMT_STATUS_SUCCESS;
3638 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
3639 &cp->addr, sizeof(cp->addr));
3641 hci_dev_unlock(hdev);
3646 static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
3649 struct mgmt_cp_unblock_device *cp = data;
3653 BT_DBG("%s", hdev->name);
3655 if (!bdaddr_type_is_valid(cp->addr.type))
3656 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
3657 MGMT_STATUS_INVALID_PARAMS,
3658 &cp->addr, sizeof(cp->addr));
3662 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
3665 status = MGMT_STATUS_INVALID_PARAMS;
3669 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3671 status = MGMT_STATUS_SUCCESS;
3674 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
3675 &cp->addr, sizeof(cp->addr));
3677 hci_dev_unlock(hdev);
3682 static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
3685 struct mgmt_cp_set_device_id *cp = data;
3686 struct hci_request req;
3690 BT_DBG("%s", hdev->name);
3692 source = __le16_to_cpu(cp->source);
3694 if (source > 0x0002)
3695 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
3696 MGMT_STATUS_INVALID_PARAMS);
3700 hdev->devid_source = source;
3701 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
3702 hdev->devid_product = __le16_to_cpu(cp->product);
3703 hdev->devid_version = __le16_to_cpu(cp->version);
3705 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
3708 hci_req_init(&req, hdev);
3709 __hci_req_update_eir(&req);
3710 hci_req_run(&req, NULL);
3712 hci_dev_unlock(hdev);
3717 static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
3720 BT_DBG("status %d", status);
3723 static void set_advertising_complete(struct hci_dev *hdev, u8 status,
3726 struct cmd_lookup match = { NULL, hdev };
3727 struct hci_request req;
3729 struct adv_info *adv_instance;
3735 u8 mgmt_err = mgmt_status(status);
3737 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
3738 cmd_status_rsp, &mgmt_err);
3742 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
3743 hci_dev_set_flag(hdev, HCI_ADVERTISING);
3745 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
3747 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
3750 new_settings(hdev, match.sk);
3755 /* If "Set Advertising" was just disabled and instance advertising was
3756 * set up earlier, then re-enable multi-instance advertising.
3758 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
3759 list_empty(&hdev->adv_instances))
3762 instance = hdev->cur_adv_instance;
3764 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
3765 struct adv_info, list);
3769 instance = adv_instance->instance;
3772 hci_req_init(&req, hdev);
3774 err = __hci_req_schedule_adv_instance(&req, instance, true);
3777 err = hci_req_run(&req, enable_advertising_instance);
3780 BT_ERR("Failed to re-configure advertising");
3783 hci_dev_unlock(hdev);
3786 static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
3789 struct mgmt_mode *cp = data;
3790 struct mgmt_pending_cmd *cmd;
3791 struct hci_request req;
3795 BT_DBG("request for %s", hdev->name);
3797 status = mgmt_le_support(hdev);
3799 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3802 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
3803 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3804 MGMT_STATUS_INVALID_PARAMS);
3810 /* The following conditions are ones which mean that we should
3811 * not do any HCI communication but directly send a mgmt
3812 * response to user space (after toggling the flag if
3815 if (!hdev_is_powered(hdev) ||
3816 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
3817 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
3818 hci_conn_num(hdev, LE_LINK) > 0 ||
3819 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
3820 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
3824 hdev->cur_adv_instance = 0x00;
3825 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
3826 if (cp->val == 0x02)
3827 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
3829 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
3831 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
3832 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
3835 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
3840 err = new_settings(hdev, sk);
3845 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
3846 pending_find(MGMT_OP_SET_LE, hdev)) {
3847 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3852 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
3858 hci_req_init(&req, hdev);
3860 if (cp->val == 0x02)
3861 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
3863 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
3865 cancel_adv_timeout(hdev);
3868 /* Switch to instance "0" for the Set Advertising setting.
3869 * We cannot use update_[adv|scan_rsp]_data() here as the
3870 * HCI_ADVERTISING flag is not yet set.
3872 hdev->cur_adv_instance = 0x00;
3873 __hci_req_update_adv_data(&req, 0x00);
3874 __hci_req_update_scan_rsp_data(&req, 0x00);
3875 __hci_req_enable_advertising(&req);
3877 __hci_req_disable_advertising(&req);
3880 err = hci_req_run(&req, set_advertising_complete);
3882 mgmt_pending_remove(cmd);
3885 hci_dev_unlock(hdev);
3889 static int set_static_address(struct sock *sk, struct hci_dev *hdev,
3890 void *data, u16 len)
3892 struct mgmt_cp_set_static_address *cp = data;
3895 BT_DBG("%s", hdev->name);
3897 if (!lmp_le_capable(hdev))
3898 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
3899 MGMT_STATUS_NOT_SUPPORTED);
3901 if (hdev_is_powered(hdev))
3902 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
3903 MGMT_STATUS_REJECTED);
3905 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
3906 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
3907 return mgmt_cmd_status(sk, hdev->id,
3908 MGMT_OP_SET_STATIC_ADDRESS,
3909 MGMT_STATUS_INVALID_PARAMS);
3911 /* Two most significant bits shall be set */
3912 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
3913 return mgmt_cmd_status(sk, hdev->id,
3914 MGMT_OP_SET_STATIC_ADDRESS,
3915 MGMT_STATUS_INVALID_PARAMS);
3920 bacpy(&hdev->static_addr, &cp->bdaddr);
3922 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
3926 err = new_settings(hdev, sk);
3929 hci_dev_unlock(hdev);
3933 static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
3934 void *data, u16 len)
3936 struct mgmt_cp_set_scan_params *cp = data;
3937 __u16 interval, window;
3940 BT_DBG("%s", hdev->name);
3942 if (!lmp_le_capable(hdev))
3943 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3944 MGMT_STATUS_NOT_SUPPORTED);
3946 interval = __le16_to_cpu(cp->interval);
3948 if (interval < 0x0004 || interval > 0x4000)
3949 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3950 MGMT_STATUS_INVALID_PARAMS);
3952 window = __le16_to_cpu(cp->window);
3954 if (window < 0x0004 || window > 0x4000)
3955 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3956 MGMT_STATUS_INVALID_PARAMS);
3958 if (window > interval)
3959 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3960 MGMT_STATUS_INVALID_PARAMS);
3964 hdev->le_scan_interval = interval;
3965 hdev->le_scan_window = window;
3967 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
3970 /* If background scan is running, restart it so new parameters are
3973 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
3974 hdev->discovery.state == DISCOVERY_STOPPED) {
3975 struct hci_request req;
3977 hci_req_init(&req, hdev);
3979 hci_req_add_le_scan_disable(&req);
3980 hci_req_add_le_passive_scan(&req);
3982 hci_req_run(&req, NULL);
3985 hci_dev_unlock(hdev);
3990 static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
3993 struct mgmt_pending_cmd *cmd;
3995 BT_DBG("status 0x%02x", status);
3999 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4004 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4005 mgmt_status(status));
4007 struct mgmt_mode *cp = cmd->param;
4010 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
4012 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
4014 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4015 new_settings(hdev, cmd->sk);
4018 mgmt_pending_remove(cmd);
4021 hci_dev_unlock(hdev);
4024 static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
4025 void *data, u16 len)
4027 struct mgmt_mode *cp = data;
4028 struct mgmt_pending_cmd *cmd;
4029 struct hci_request req;
4032 BT_DBG("%s", hdev->name);
4034 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
4035 hdev->hci_ver < BLUETOOTH_VER_1_2)
4036 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4037 MGMT_STATUS_NOT_SUPPORTED);
4039 if (cp->val != 0x00 && cp->val != 0x01)
4040 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4041 MGMT_STATUS_INVALID_PARAMS);
4045 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4046 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4051 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
4052 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4057 if (!hdev_is_powered(hdev)) {
4058 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
4059 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4061 new_settings(hdev, sk);
4065 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4072 hci_req_init(&req, hdev);
4074 __hci_req_write_fast_connectable(&req, cp->val);
4076 err = hci_req_run(&req, fast_connectable_complete);
4078 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4079 MGMT_STATUS_FAILED);
4080 mgmt_pending_remove(cmd);
4084 hci_dev_unlock(hdev);
4089 static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
4091 struct mgmt_pending_cmd *cmd;
4093 BT_DBG("status 0x%02x", status);
4097 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
4102 u8 mgmt_err = mgmt_status(status);
4104 /* We need to restore the flag if related HCI commands
4107 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
4109 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4111 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4112 new_settings(hdev, cmd->sk);
4115 mgmt_pending_remove(cmd);
4118 hci_dev_unlock(hdev);
4121 static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4123 struct mgmt_mode *cp = data;
4124 struct mgmt_pending_cmd *cmd;
4125 struct hci_request req;
4128 BT_DBG("request for %s", hdev->name);
4130 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4131 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4132 MGMT_STATUS_NOT_SUPPORTED);
4134 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
4135 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4136 MGMT_STATUS_REJECTED);
4138 if (cp->val != 0x00 && cp->val != 0x01)
4139 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4140 MGMT_STATUS_INVALID_PARAMS);
4144 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4145 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4149 if (!hdev_is_powered(hdev)) {
4151 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
4152 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
4153 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
4154 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
4155 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
4158 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
4160 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4164 err = new_settings(hdev, sk);
4168 /* Reject disabling when powered on */
4170 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4171 MGMT_STATUS_REJECTED);
4174 /* When configuring a dual-mode controller to operate
4175 * with LE only and using a static address, then switching
4176 * BR/EDR back on is not allowed.
4178 * Dual-mode controllers shall operate with the public
4179 * address as its identity address for BR/EDR and LE. So
4180 * reject the attempt to create an invalid configuration.
4182 * The same restrictions applies when secure connections
4183 * has been enabled. For BR/EDR this is a controller feature
4184 * while for LE it is a host stack feature. This means that
4185 * switching BR/EDR back on when secure connections has been
4186 * enabled is not a supported transaction.
4188 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
4189 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
4190 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
4191 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4192 MGMT_STATUS_REJECTED);
4197 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
4198 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4203 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4209 /* We need to flip the bit already here so that
4210 * hci_req_update_adv_data generates the correct flags.
4212 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
4214 hci_req_init(&req, hdev);
4216 __hci_req_write_fast_connectable(&req, false);
4217 __hci_req_update_scan(&req);
4219 /* Since only the advertising data flags will change, there
4220 * is no need to update the scan response data.
4222 __hci_req_update_adv_data(&req, hdev->cur_adv_instance);
4224 err = hci_req_run(&req, set_bredr_complete);
4226 mgmt_pending_remove(cmd);
4229 hci_dev_unlock(hdev);
4233 static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
4235 struct mgmt_pending_cmd *cmd;
4236 struct mgmt_mode *cp;
4238 BT_DBG("%s status %u", hdev->name, status);
4242 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
4247 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
4248 mgmt_status(status));
4256 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
4257 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
4260 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
4261 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
4264 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
4265 hci_dev_set_flag(hdev, HCI_SC_ONLY);
4269 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
4270 new_settings(hdev, cmd->sk);
4273 mgmt_pending_remove(cmd);
4275 hci_dev_unlock(hdev);
4278 static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4279 void *data, u16 len)
4281 struct mgmt_mode *cp = data;
4282 struct mgmt_pending_cmd *cmd;
4283 struct hci_request req;
4287 BT_DBG("request for %s", hdev->name);
4289 if (!lmp_sc_capable(hdev) &&
4290 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
4291 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4292 MGMT_STATUS_NOT_SUPPORTED);
4294 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
4295 lmp_sc_capable(hdev) &&
4296 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
4297 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4298 MGMT_STATUS_REJECTED);
4300 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4301 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4302 MGMT_STATUS_INVALID_PARAMS);
4306 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
4307 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4311 changed = !hci_dev_test_and_set_flag(hdev,
4313 if (cp->val == 0x02)
4314 hci_dev_set_flag(hdev, HCI_SC_ONLY);
4316 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
4318 changed = hci_dev_test_and_clear_flag(hdev,
4320 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
4323 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4328 err = new_settings(hdev, sk);
4333 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4334 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4341 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
4342 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
4343 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4347 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4353 hci_req_init(&req, hdev);
4354 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
4355 err = hci_req_run(&req, sc_enable_complete);
4357 mgmt_pending_remove(cmd);
4362 hci_dev_unlock(hdev);
4366 static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4367 void *data, u16 len)
4369 struct mgmt_mode *cp = data;
4370 bool changed, use_changed;
4373 BT_DBG("request for %s", hdev->name);
4375 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4376 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4377 MGMT_STATUS_INVALID_PARAMS);
4382 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4384 changed = hci_dev_test_and_clear_flag(hdev,
4385 HCI_KEEP_DEBUG_KEYS);
4387 if (cp->val == 0x02)
4388 use_changed = !hci_dev_test_and_set_flag(hdev,
4389 HCI_USE_DEBUG_KEYS);
4391 use_changed = hci_dev_test_and_clear_flag(hdev,
4392 HCI_USE_DEBUG_KEYS);
4394 if (hdev_is_powered(hdev) && use_changed &&
4395 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
4396 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4397 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4398 sizeof(mode), &mode);
4401 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4406 err = new_settings(hdev, sk);
4409 hci_dev_unlock(hdev);
4413 static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4416 struct mgmt_cp_set_privacy *cp = cp_data;
4420 BT_DBG("request for %s", hdev->name);
4422 if (!lmp_le_capable(hdev))
4423 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4424 MGMT_STATUS_NOT_SUPPORTED);
4426 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4427 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4428 MGMT_STATUS_INVALID_PARAMS);
4430 if (hdev_is_powered(hdev))
4431 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4432 MGMT_STATUS_REJECTED);
4436 /* If user space supports this command it is also expected to
4437 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4439 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
4442 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
4443 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4444 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
4446 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
4447 memset(hdev->irk, 0, sizeof(hdev->irk));
4448 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
4451 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4456 err = new_settings(hdev, sk);
4459 hci_dev_unlock(hdev);
4463 static bool irk_is_valid(struct mgmt_irk_info *irk)
4465 switch (irk->addr.type) {
4466 case BDADDR_LE_PUBLIC:
4469 case BDADDR_LE_RANDOM:
4470 /* Two most significant bits shall be set */
4471 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4479 static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4482 struct mgmt_cp_load_irks *cp = cp_data;
4483 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4484 sizeof(struct mgmt_irk_info));
4485 u16 irk_count, expected_len;
4488 BT_DBG("request for %s", hdev->name);
4490 if (!lmp_le_capable(hdev))
4491 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4492 MGMT_STATUS_NOT_SUPPORTED);
4494 irk_count = __le16_to_cpu(cp->irk_count);
4495 if (irk_count > max_irk_count) {
4496 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4497 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4498 MGMT_STATUS_INVALID_PARAMS);
4501 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4502 if (expected_len != len) {
4503 BT_ERR("load_irks: expected %u bytes, got %u bytes",
4505 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4506 MGMT_STATUS_INVALID_PARAMS);
4509 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4511 for (i = 0; i < irk_count; i++) {
4512 struct mgmt_irk_info *key = &cp->irks[i];
4514 if (!irk_is_valid(key))
4515 return mgmt_cmd_status(sk, hdev->id,
4517 MGMT_STATUS_INVALID_PARAMS);
4522 hci_smp_irks_clear(hdev);
4524 for (i = 0; i < irk_count; i++) {
4525 struct mgmt_irk_info *irk = &cp->irks[i];
4527 hci_add_irk(hdev, &irk->addr.bdaddr,
4528 le_addr_type(irk->addr.type), irk->val,
4532 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
4534 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4536 hci_dev_unlock(hdev);
4541 static bool ltk_is_valid(struct mgmt_ltk_info *key)
4543 if (key->master != 0x00 && key->master != 0x01)
4546 switch (key->addr.type) {
4547 case BDADDR_LE_PUBLIC:
4550 case BDADDR_LE_RANDOM:
4551 /* Two most significant bits shall be set */
4552 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4560 static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
4561 void *cp_data, u16 len)
4563 struct mgmt_cp_load_long_term_keys *cp = cp_data;
4564 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4565 sizeof(struct mgmt_ltk_info));
4566 u16 key_count, expected_len;
4569 BT_DBG("request for %s", hdev->name);
4571 if (!lmp_le_capable(hdev))
4572 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4573 MGMT_STATUS_NOT_SUPPORTED);
4575 key_count = __le16_to_cpu(cp->key_count);
4576 if (key_count > max_key_count) {
4577 BT_ERR("load_ltks: too big key_count value %u", key_count);
4578 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4579 MGMT_STATUS_INVALID_PARAMS);
4582 expected_len = sizeof(*cp) + key_count *
4583 sizeof(struct mgmt_ltk_info);
4584 if (expected_len != len) {
4585 BT_ERR("load_keys: expected %u bytes, got %u bytes",
4587 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4588 MGMT_STATUS_INVALID_PARAMS);
4591 BT_DBG("%s key_count %u", hdev->name, key_count);
4593 for (i = 0; i < key_count; i++) {
4594 struct mgmt_ltk_info *key = &cp->keys[i];
4596 if (!ltk_is_valid(key))
4597 return mgmt_cmd_status(sk, hdev->id,
4598 MGMT_OP_LOAD_LONG_TERM_KEYS,
4599 MGMT_STATUS_INVALID_PARAMS);
4604 hci_smp_ltks_clear(hdev);
4606 for (i = 0; i < key_count; i++) {
4607 struct mgmt_ltk_info *key = &cp->keys[i];
4608 u8 type, authenticated;
4610 switch (key->type) {
4611 case MGMT_LTK_UNAUTHENTICATED:
4612 authenticated = 0x00;
4613 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4615 case MGMT_LTK_AUTHENTICATED:
4616 authenticated = 0x01;
4617 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4619 case MGMT_LTK_P256_UNAUTH:
4620 authenticated = 0x00;
4621 type = SMP_LTK_P256;
4623 case MGMT_LTK_P256_AUTH:
4624 authenticated = 0x01;
4625 type = SMP_LTK_P256;
4627 case MGMT_LTK_P256_DEBUG:
4628 authenticated = 0x00;
4629 type = SMP_LTK_P256_DEBUG;
4634 hci_add_ltk(hdev, &key->addr.bdaddr,
4635 le_addr_type(key->addr.type), type, authenticated,
4636 key->val, key->enc_size, key->ediv, key->rand);
4639 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4642 hci_dev_unlock(hdev);
4647 static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
4649 struct hci_conn *conn = cmd->user_data;
4650 struct mgmt_rp_get_conn_info rp;
4653 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
4655 if (status == MGMT_STATUS_SUCCESS) {
4656 rp.rssi = conn->rssi;
4657 rp.tx_power = conn->tx_power;
4658 rp.max_tx_power = conn->max_tx_power;
4660 rp.rssi = HCI_RSSI_INVALID;
4661 rp.tx_power = HCI_TX_POWER_INVALID;
4662 rp.max_tx_power = HCI_TX_POWER_INVALID;
4665 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4666 status, &rp, sizeof(rp));
4668 hci_conn_drop(conn);
4674 static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
4677 struct hci_cp_read_rssi *cp;
4678 struct mgmt_pending_cmd *cmd;
4679 struct hci_conn *conn;
4683 BT_DBG("status 0x%02x", hci_status);
4687 /* Commands sent in request are either Read RSSI or Read Transmit Power
4688 * Level so we check which one was last sent to retrieve connection
4689 * handle. Both commands have handle as first parameter so it's safe to
4690 * cast data on the same command struct.
4692 * First command sent is always Read RSSI and we fail only if it fails.
4693 * In other case we simply override error to indicate success as we
4694 * already remembered if TX power value is actually valid.
4696 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4698 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
4699 status = MGMT_STATUS_SUCCESS;
4701 status = mgmt_status(hci_status);
4705 BT_ERR("invalid sent_cmd in conn_info response");
4709 handle = __le16_to_cpu(cp->handle);
4710 conn = hci_conn_hash_lookup_handle(hdev, handle);
4712 BT_ERR("unknown handle (%d) in conn_info response", handle);
4716 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
4720 cmd->cmd_complete(cmd, status);
4721 mgmt_pending_remove(cmd);
4724 hci_dev_unlock(hdev);
4727 static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
4730 struct mgmt_cp_get_conn_info *cp = data;
4731 struct mgmt_rp_get_conn_info rp;
4732 struct hci_conn *conn;
4733 unsigned long conn_info_age;
4736 BT_DBG("%s", hdev->name);
4738 memset(&rp, 0, sizeof(rp));
4739 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4740 rp.addr.type = cp->addr.type;
4742 if (!bdaddr_type_is_valid(cp->addr.type))
4743 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4744 MGMT_STATUS_INVALID_PARAMS,
4749 if (!hdev_is_powered(hdev)) {
4750 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4751 MGMT_STATUS_NOT_POWERED, &rp,
4756 if (cp->addr.type == BDADDR_BREDR)
4757 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4760 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
4762 if (!conn || conn->state != BT_CONNECTED) {
4763 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4764 MGMT_STATUS_NOT_CONNECTED, &rp,
4769 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
4770 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4771 MGMT_STATUS_BUSY, &rp, sizeof(rp));
4775 /* To avoid client trying to guess when to poll again for information we
4776 * calculate conn info age as random value between min/max set in hdev.
4778 conn_info_age = hdev->conn_info_min_age +
4779 prandom_u32_max(hdev->conn_info_max_age -
4780 hdev->conn_info_min_age);
4782 /* Query controller to refresh cached values if they are too old or were
4785 if (time_after(jiffies, conn->conn_info_timestamp +
4786 msecs_to_jiffies(conn_info_age)) ||
4787 !conn->conn_info_timestamp) {
4788 struct hci_request req;
4789 struct hci_cp_read_tx_power req_txp_cp;
4790 struct hci_cp_read_rssi req_rssi_cp;
4791 struct mgmt_pending_cmd *cmd;
4793 hci_req_init(&req, hdev);
4794 req_rssi_cp.handle = cpu_to_le16(conn->handle);
4795 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
4798 /* For LE links TX power does not change thus we don't need to
4799 * query for it once value is known.
4801 if (!bdaddr_type_is_le(cp->addr.type) ||
4802 conn->tx_power == HCI_TX_POWER_INVALID) {
4803 req_txp_cp.handle = cpu_to_le16(conn->handle);
4804 req_txp_cp.type = 0x00;
4805 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4806 sizeof(req_txp_cp), &req_txp_cp);
4809 /* Max TX power needs to be read only once per connection */
4810 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
4811 req_txp_cp.handle = cpu_to_le16(conn->handle);
4812 req_txp_cp.type = 0x01;
4813 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4814 sizeof(req_txp_cp), &req_txp_cp);
4817 err = hci_req_run(&req, conn_info_refresh_complete);
4821 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
4828 hci_conn_hold(conn);
4829 cmd->user_data = hci_conn_get(conn);
4830 cmd->cmd_complete = conn_info_cmd_complete;
4832 conn->conn_info_timestamp = jiffies;
4834 /* Cache is valid, just reply with values cached in hci_conn */
4835 rp.rssi = conn->rssi;
4836 rp.tx_power = conn->tx_power;
4837 rp.max_tx_power = conn->max_tx_power;
4839 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4840 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
4844 hci_dev_unlock(hdev);
4848 static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
4850 struct hci_conn *conn = cmd->user_data;
4851 struct mgmt_rp_get_clock_info rp;
4852 struct hci_dev *hdev;
4855 memset(&rp, 0, sizeof(rp));
4856 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
4861 hdev = hci_dev_get(cmd->index);
4863 rp.local_clock = cpu_to_le32(hdev->clock);
4868 rp.piconet_clock = cpu_to_le32(conn->clock);
4869 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
4873 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
4877 hci_conn_drop(conn);
4884 static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
4886 struct hci_cp_read_clock *hci_cp;
4887 struct mgmt_pending_cmd *cmd;
4888 struct hci_conn *conn;
4890 BT_DBG("%s status %u", hdev->name, status);
4894 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
4898 if (hci_cp->which) {
4899 u16 handle = __le16_to_cpu(hci_cp->handle);
4900 conn = hci_conn_hash_lookup_handle(hdev, handle);
4905 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
4909 cmd->cmd_complete(cmd, mgmt_status(status));
4910 mgmt_pending_remove(cmd);
4913 hci_dev_unlock(hdev);
4916 static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
4919 struct mgmt_cp_get_clock_info *cp = data;
4920 struct mgmt_rp_get_clock_info rp;
4921 struct hci_cp_read_clock hci_cp;
4922 struct mgmt_pending_cmd *cmd;
4923 struct hci_request req;
4924 struct hci_conn *conn;
4927 BT_DBG("%s", hdev->name);
4929 memset(&rp, 0, sizeof(rp));
4930 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4931 rp.addr.type = cp->addr.type;
4933 if (cp->addr.type != BDADDR_BREDR)
4934 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
4935 MGMT_STATUS_INVALID_PARAMS,
4940 if (!hdev_is_powered(hdev)) {
4941 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
4942 MGMT_STATUS_NOT_POWERED, &rp,
4947 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4948 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4950 if (!conn || conn->state != BT_CONNECTED) {
4951 err = mgmt_cmd_complete(sk, hdev->id,
4952 MGMT_OP_GET_CLOCK_INFO,
4953 MGMT_STATUS_NOT_CONNECTED,
4961 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
4967 cmd->cmd_complete = clock_info_cmd_complete;
4969 hci_req_init(&req, hdev);
4971 memset(&hci_cp, 0, sizeof(hci_cp));
4972 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
4975 hci_conn_hold(conn);
4976 cmd->user_data = hci_conn_get(conn);
4978 hci_cp.handle = cpu_to_le16(conn->handle);
4979 hci_cp.which = 0x01; /* Piconet clock */
4980 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
4983 err = hci_req_run(&req, get_clock_info_complete);
4985 mgmt_pending_remove(cmd);
4988 hci_dev_unlock(hdev);
4992 static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
4994 struct hci_conn *conn;
4996 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
5000 if (conn->dst_type != type)
5003 if (conn->state != BT_CONNECTED)
5009 /* This function requires the caller holds hdev->lock */
5010 static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
5011 u8 addr_type, u8 auto_connect)
5013 struct hci_conn_params *params;
5015 params = hci_conn_params_add(hdev, addr, addr_type);
5019 if (params->auto_connect == auto_connect)
5022 list_del_init(¶ms->action);
5024 switch (auto_connect) {
5025 case HCI_AUTO_CONN_DISABLED:
5026 case HCI_AUTO_CONN_LINK_LOSS:
5027 /* If auto connect is being disabled when we're trying to
5028 * connect to device, keep connecting.
5030 if (params->explicit_connect)
5031 list_add(¶ms->action, &hdev->pend_le_conns);
5033 case HCI_AUTO_CONN_REPORT:
5034 if (params->explicit_connect)
5035 list_add(¶ms->action, &hdev->pend_le_conns);
5037 list_add(¶ms->action, &hdev->pend_le_reports);
5039 case HCI_AUTO_CONN_DIRECT:
5040 case HCI_AUTO_CONN_ALWAYS:
5041 if (!is_connected(hdev, addr, addr_type))
5042 list_add(¶ms->action, &hdev->pend_le_conns);
5046 params->auto_connect = auto_connect;
5048 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
5054 static void device_added(struct sock *sk, struct hci_dev *hdev,
5055 bdaddr_t *bdaddr, u8 type, u8 action)
5057 struct mgmt_ev_device_added ev;
5059 bacpy(&ev.addr.bdaddr, bdaddr);
5060 ev.addr.type = type;
5063 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5066 static int add_device(struct sock *sk, struct hci_dev *hdev,
5067 void *data, u16 len)
5069 struct mgmt_cp_add_device *cp = data;
5070 u8 auto_conn, addr_type;
5073 BT_DBG("%s", hdev->name);
5075 if (!bdaddr_type_is_valid(cp->addr.type) ||
5076 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5077 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5078 MGMT_STATUS_INVALID_PARAMS,
5079 &cp->addr, sizeof(cp->addr));
5081 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
5082 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5083 MGMT_STATUS_INVALID_PARAMS,
5084 &cp->addr, sizeof(cp->addr));
5088 if (cp->addr.type == BDADDR_BREDR) {
5089 /* Only incoming connections action is supported for now */
5090 if (cp->action != 0x01) {
5091 err = mgmt_cmd_complete(sk, hdev->id,
5093 MGMT_STATUS_INVALID_PARAMS,
5094 &cp->addr, sizeof(cp->addr));
5098 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5103 hci_req_update_scan(hdev);
5108 addr_type = le_addr_type(cp->addr.type);
5110 if (cp->action == 0x02)
5111 auto_conn = HCI_AUTO_CONN_ALWAYS;
5112 else if (cp->action == 0x01)
5113 auto_conn = HCI_AUTO_CONN_DIRECT;
5115 auto_conn = HCI_AUTO_CONN_REPORT;
5117 /* Kernel internally uses conn_params with resolvable private
5118 * address, but Add Device allows only identity addresses.
5119 * Make sure it is enforced before calling
5120 * hci_conn_params_lookup.
5122 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
5123 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5124 MGMT_STATUS_INVALID_PARAMS,
5125 &cp->addr, sizeof(cp->addr));
5129 /* If the connection parameters don't exist for this device,
5130 * they will be created and configured with defaults.
5132 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5134 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5135 MGMT_STATUS_FAILED, &cp->addr,
5140 hci_update_background_scan(hdev);
5143 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5145 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5146 MGMT_STATUS_SUCCESS, &cp->addr,
5150 hci_dev_unlock(hdev);
5154 static void device_removed(struct sock *sk, struct hci_dev *hdev,
5155 bdaddr_t *bdaddr, u8 type)
5157 struct mgmt_ev_device_removed ev;
5159 bacpy(&ev.addr.bdaddr, bdaddr);
5160 ev.addr.type = type;
5162 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5165 static int remove_device(struct sock *sk, struct hci_dev *hdev,
5166 void *data, u16 len)
5168 struct mgmt_cp_remove_device *cp = data;
5171 BT_DBG("%s", hdev->name);
5175 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5176 struct hci_conn_params *params;
5179 if (!bdaddr_type_is_valid(cp->addr.type)) {
5180 err = mgmt_cmd_complete(sk, hdev->id,
5181 MGMT_OP_REMOVE_DEVICE,
5182 MGMT_STATUS_INVALID_PARAMS,
5183 &cp->addr, sizeof(cp->addr));
5187 if (cp->addr.type == BDADDR_BREDR) {
5188 err = hci_bdaddr_list_del(&hdev->whitelist,
5192 err = mgmt_cmd_complete(sk, hdev->id,
5193 MGMT_OP_REMOVE_DEVICE,
5194 MGMT_STATUS_INVALID_PARAMS,
5200 hci_req_update_scan(hdev);
5202 device_removed(sk, hdev, &cp->addr.bdaddr,
5207 addr_type = le_addr_type(cp->addr.type);
5209 /* Kernel internally uses conn_params with resolvable private
5210 * address, but Remove Device allows only identity addresses.
5211 * Make sure it is enforced before calling
5212 * hci_conn_params_lookup.
5214 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
5215 err = mgmt_cmd_complete(sk, hdev->id,
5216 MGMT_OP_REMOVE_DEVICE,
5217 MGMT_STATUS_INVALID_PARAMS,
5218 &cp->addr, sizeof(cp->addr));
5222 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5225 err = mgmt_cmd_complete(sk, hdev->id,
5226 MGMT_OP_REMOVE_DEVICE,
5227 MGMT_STATUS_INVALID_PARAMS,
5228 &cp->addr, sizeof(cp->addr));
5232 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
5233 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
5234 err = mgmt_cmd_complete(sk, hdev->id,
5235 MGMT_OP_REMOVE_DEVICE,
5236 MGMT_STATUS_INVALID_PARAMS,
5237 &cp->addr, sizeof(cp->addr));
5241 list_del(¶ms->action);
5242 list_del(¶ms->list);
5244 hci_update_background_scan(hdev);
5246 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
5248 struct hci_conn_params *p, *tmp;
5249 struct bdaddr_list *b, *btmp;
5251 if (cp->addr.type) {
5252 err = mgmt_cmd_complete(sk, hdev->id,
5253 MGMT_OP_REMOVE_DEVICE,
5254 MGMT_STATUS_INVALID_PARAMS,
5255 &cp->addr, sizeof(cp->addr));
5259 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5260 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5265 hci_req_update_scan(hdev);
5267 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5268 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5270 device_removed(sk, hdev, &p->addr, p->addr_type);
5271 if (p->explicit_connect) {
5272 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
5275 list_del(&p->action);
5280 BT_DBG("All LE connection parameters were removed");
5282 hci_update_background_scan(hdev);
5286 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5287 MGMT_STATUS_SUCCESS, &cp->addr,
5290 hci_dev_unlock(hdev);
5294 static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5297 struct mgmt_cp_load_conn_param *cp = data;
5298 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5299 sizeof(struct mgmt_conn_param));
5300 u16 param_count, expected_len;
5303 if (!lmp_le_capable(hdev))
5304 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5305 MGMT_STATUS_NOT_SUPPORTED);
5307 param_count = __le16_to_cpu(cp->param_count);
5308 if (param_count > max_param_count) {
5309 BT_ERR("load_conn_param: too big param_count value %u",
5311 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5312 MGMT_STATUS_INVALID_PARAMS);
5315 expected_len = sizeof(*cp) + param_count *
5316 sizeof(struct mgmt_conn_param);
5317 if (expected_len != len) {
5318 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5320 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5321 MGMT_STATUS_INVALID_PARAMS);
5324 BT_DBG("%s param_count %u", hdev->name, param_count);
5328 hci_conn_params_clear_disabled(hdev);
5330 for (i = 0; i < param_count; i++) {
5331 struct mgmt_conn_param *param = &cp->params[i];
5332 struct hci_conn_params *hci_param;
5333 u16 min, max, latency, timeout;
5336 BT_DBG("Adding %pMR (type %u)", ¶m->addr.bdaddr,
5339 if (param->addr.type == BDADDR_LE_PUBLIC) {
5340 addr_type = ADDR_LE_DEV_PUBLIC;
5341 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5342 addr_type = ADDR_LE_DEV_RANDOM;
5344 BT_ERR("Ignoring invalid connection parameters");
5348 min = le16_to_cpu(param->min_interval);
5349 max = le16_to_cpu(param->max_interval);
5350 latency = le16_to_cpu(param->latency);
5351 timeout = le16_to_cpu(param->timeout);
5353 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5354 min, max, latency, timeout);
5356 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5357 BT_ERR("Ignoring invalid connection parameters");
5361 hci_param = hci_conn_params_add(hdev, ¶m->addr.bdaddr,
5364 BT_ERR("Failed to add connection parameters");
5368 hci_param->conn_min_interval = min;
5369 hci_param->conn_max_interval = max;
5370 hci_param->conn_latency = latency;
5371 hci_param->supervision_timeout = timeout;
5374 hci_dev_unlock(hdev);
5376 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
5380 static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5381 void *data, u16 len)
5383 struct mgmt_cp_set_external_config *cp = data;
5387 BT_DBG("%s", hdev->name);
5389 if (hdev_is_powered(hdev))
5390 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5391 MGMT_STATUS_REJECTED);
5393 if (cp->config != 0x00 && cp->config != 0x01)
5394 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5395 MGMT_STATUS_INVALID_PARAMS);
5397 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5398 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5399 MGMT_STATUS_NOT_SUPPORTED);
5404 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
5406 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
5408 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5415 err = new_options(hdev, sk);
5417 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
5418 mgmt_index_removed(hdev);
5420 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
5421 hci_dev_set_flag(hdev, HCI_CONFIG);
5422 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
5424 queue_work(hdev->req_workqueue, &hdev->power_on);
5426 set_bit(HCI_RAW, &hdev->flags);
5427 mgmt_index_added(hdev);
5432 hci_dev_unlock(hdev);
5436 static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5437 void *data, u16 len)
5439 struct mgmt_cp_set_public_address *cp = data;
5443 BT_DBG("%s", hdev->name);
5445 if (hdev_is_powered(hdev))
5446 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5447 MGMT_STATUS_REJECTED);
5449 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5450 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5451 MGMT_STATUS_INVALID_PARAMS);
5453 if (!hdev->set_bdaddr)
5454 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5455 MGMT_STATUS_NOT_SUPPORTED);
5459 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5460 bacpy(&hdev->public_addr, &cp->bdaddr);
5462 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5469 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
5470 err = new_options(hdev, sk);
5472 if (is_configured(hdev)) {
5473 mgmt_index_removed(hdev);
5475 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
5477 hci_dev_set_flag(hdev, HCI_CONFIG);
5478 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
5480 queue_work(hdev->req_workqueue, &hdev->power_on);
5484 hci_dev_unlock(hdev);
5488 static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
5491 eir[eir_len++] = sizeof(type) + data_len;
5492 eir[eir_len++] = type;
5493 memcpy(&eir[eir_len], data, data_len);
5494 eir_len += data_len;
5499 static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
5500 u16 opcode, struct sk_buff *skb)
5502 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
5503 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
5504 u8 *h192, *r192, *h256, *r256;
5505 struct mgmt_pending_cmd *cmd;
5509 BT_DBG("%s status %u", hdev->name, status);
5511 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
5515 mgmt_cp = cmd->param;
5518 status = mgmt_status(status);
5525 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
5526 struct hci_rp_read_local_oob_data *rp;
5528 if (skb->len != sizeof(*rp)) {
5529 status = MGMT_STATUS_FAILED;
5532 status = MGMT_STATUS_SUCCESS;
5533 rp = (void *)skb->data;
5535 eir_len = 5 + 18 + 18;
5542 struct hci_rp_read_local_oob_ext_data *rp;
5544 if (skb->len != sizeof(*rp)) {
5545 status = MGMT_STATUS_FAILED;
5548 status = MGMT_STATUS_SUCCESS;
5549 rp = (void *)skb->data;
5551 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
5552 eir_len = 5 + 18 + 18;
5556 eir_len = 5 + 18 + 18 + 18 + 18;
5566 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
5573 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
5574 hdev->dev_class, 3);
5577 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5578 EIR_SSP_HASH_C192, h192, 16);
5579 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5580 EIR_SSP_RAND_R192, r192, 16);
5584 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5585 EIR_SSP_HASH_C256, h256, 16);
5586 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5587 EIR_SSP_RAND_R256, r256, 16);
5591 mgmt_rp->type = mgmt_cp->type;
5592 mgmt_rp->eir_len = cpu_to_le16(eir_len);
5594 err = mgmt_cmd_complete(cmd->sk, hdev->id,
5595 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
5596 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
5597 if (err < 0 || status)
5600 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
5602 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
5603 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
5604 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
5607 mgmt_pending_remove(cmd);
5610 static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
5611 struct mgmt_cp_read_local_oob_ext_data *cp)
5613 struct mgmt_pending_cmd *cmd;
5614 struct hci_request req;
5617 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
5622 hci_req_init(&req, hdev);
5624 if (bredr_sc_enabled(hdev))
5625 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
5627 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
5629 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
5631 mgmt_pending_remove(cmd);
5638 static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
5639 void *data, u16 data_len)
5641 struct mgmt_cp_read_local_oob_ext_data *cp = data;
5642 struct mgmt_rp_read_local_oob_ext_data *rp;
5645 u8 status, flags, role, addr[7], hash[16], rand[16];
5648 BT_DBG("%s", hdev->name);
5650 if (hdev_is_powered(hdev)) {
5652 case BIT(BDADDR_BREDR):
5653 status = mgmt_bredr_support(hdev);
5659 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5660 status = mgmt_le_support(hdev);
5664 eir_len = 9 + 3 + 18 + 18 + 3;
5667 status = MGMT_STATUS_INVALID_PARAMS;
5672 status = MGMT_STATUS_NOT_POWERED;
5676 rp_len = sizeof(*rp) + eir_len;
5677 rp = kmalloc(rp_len, GFP_ATOMIC);
5688 case BIT(BDADDR_BREDR):
5689 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
5690 err = read_local_ssp_oob_req(hdev, sk, cp);
5691 hci_dev_unlock(hdev);
5695 status = MGMT_STATUS_FAILED;
5698 eir_len = eir_append_data(rp->eir, eir_len,
5700 hdev->dev_class, 3);
5703 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5704 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5705 smp_generate_oob(hdev, hash, rand) < 0) {
5706 hci_dev_unlock(hdev);
5707 status = MGMT_STATUS_FAILED;
5711 /* This should return the active RPA, but since the RPA
5712 * is only programmed on demand, it is really hard to fill
5713 * this in at the moment. For now disallow retrieving
5714 * local out-of-band data when privacy is in use.
5716 * Returning the identity address will not help here since
5717 * pairing happens before the identity resolving key is
5718 * known and thus the connection establishment happens
5719 * based on the RPA and not the identity address.
5721 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
5722 hci_dev_unlock(hdev);
5723 status = MGMT_STATUS_REJECTED;
5727 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
5728 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
5729 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
5730 bacmp(&hdev->static_addr, BDADDR_ANY))) {
5731 memcpy(addr, &hdev->static_addr, 6);
5734 memcpy(addr, &hdev->bdaddr, 6);
5738 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
5739 addr, sizeof(addr));
5741 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
5746 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
5747 &role, sizeof(role));
5749 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
5750 eir_len = eir_append_data(rp->eir, eir_len,
5752 hash, sizeof(hash));
5754 eir_len = eir_append_data(rp->eir, eir_len,
5756 rand, sizeof(rand));
5759 flags = mgmt_get_adv_discov_flags(hdev);
5761 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
5762 flags |= LE_AD_NO_BREDR;
5764 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
5765 &flags, sizeof(flags));
5769 hci_dev_unlock(hdev);
5771 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
5773 status = MGMT_STATUS_SUCCESS;
5776 rp->type = cp->type;
5777 rp->eir_len = cpu_to_le16(eir_len);
5779 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
5780 status, rp, sizeof(*rp) + eir_len);
5781 if (err < 0 || status)
5784 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
5785 rp, sizeof(*rp) + eir_len,
5786 HCI_MGMT_OOB_DATA_EVENTS, sk);
5794 static u32 get_supported_adv_flags(struct hci_dev *hdev)
5798 flags |= MGMT_ADV_FLAG_CONNECTABLE;
5799 flags |= MGMT_ADV_FLAG_DISCOV;
5800 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
5801 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
5803 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
5804 flags |= MGMT_ADV_FLAG_TX_POWER;
5809 static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
5810 void *data, u16 data_len)
5812 struct mgmt_rp_read_adv_features *rp;
5815 struct adv_info *adv_instance;
5816 u32 supported_flags;
5819 BT_DBG("%s", hdev->name);
5821 if (!lmp_le_capable(hdev))
5822 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
5823 MGMT_STATUS_REJECTED);
5827 rp_len = sizeof(*rp) + hdev->adv_instance_cnt;
5828 rp = kmalloc(rp_len, GFP_ATOMIC);
5830 hci_dev_unlock(hdev);
5834 supported_flags = get_supported_adv_flags(hdev);
5836 rp->supported_flags = cpu_to_le32(supported_flags);
5837 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
5838 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
5839 rp->max_instances = HCI_MAX_ADV_INSTANCES;
5840 rp->num_instances = hdev->adv_instance_cnt;
5842 instance = rp->instance;
5843 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
5844 *instance = adv_instance->instance;
5848 hci_dev_unlock(hdev);
5850 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
5851 MGMT_STATUS_SUCCESS, rp, rp_len);
5858 static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
5859 u8 len, bool is_adv_data)
5861 u8 max_len = HCI_MAX_AD_LENGTH;
5863 bool flags_managed = false;
5864 bool tx_power_managed = false;
5867 if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
5868 MGMT_ADV_FLAG_LIMITED_DISCOV |
5869 MGMT_ADV_FLAG_MANAGED_FLAGS)) {
5870 flags_managed = true;
5874 if (adv_flags & MGMT_ADV_FLAG_TX_POWER) {
5875 tx_power_managed = true;
5883 /* Make sure that the data is correctly formatted. */
5884 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
5887 if (flags_managed && data[i + 1] == EIR_FLAGS)
5890 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
5893 /* If the current field length would exceed the total data
5894 * length, then it's invalid.
5896 if (i + cur_len >= len)
5903 static void add_advertising_complete(struct hci_dev *hdev, u8 status,
5906 struct mgmt_pending_cmd *cmd;
5907 struct mgmt_cp_add_advertising *cp;
5908 struct mgmt_rp_add_advertising rp;
5909 struct adv_info *adv_instance, *n;
5912 BT_DBG("status %d", status);
5916 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
5918 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
5919 if (!adv_instance->pending)
5923 adv_instance->pending = false;
5927 instance = adv_instance->instance;
5929 if (hdev->cur_adv_instance == instance)
5930 cancel_adv_timeout(hdev);
5932 hci_remove_adv_instance(hdev, instance);
5933 mgmt_advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
5940 rp.instance = cp->instance;
5943 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5944 mgmt_status(status));
5946 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
5947 mgmt_status(status), &rp, sizeof(rp));
5949 mgmt_pending_remove(cmd);
5952 hci_dev_unlock(hdev);
5955 static int add_advertising(struct sock *sk, struct hci_dev *hdev,
5956 void *data, u16 data_len)
5958 struct mgmt_cp_add_advertising *cp = data;
5959 struct mgmt_rp_add_advertising rp;
5961 u32 supported_flags;
5963 u16 timeout, duration;
5964 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
5965 u8 schedule_instance = 0;
5966 struct adv_info *next_instance;
5968 struct mgmt_pending_cmd *cmd;
5969 struct hci_request req;
5971 BT_DBG("%s", hdev->name);
5973 status = mgmt_le_support(hdev);
5975 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5978 if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
5979 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5980 MGMT_STATUS_INVALID_PARAMS);
5982 flags = __le32_to_cpu(cp->flags);
5983 timeout = __le16_to_cpu(cp->timeout);
5984 duration = __le16_to_cpu(cp->duration);
5986 /* The current implementation only supports a subset of the specified
5989 supported_flags = get_supported_adv_flags(hdev);
5990 if (flags & ~supported_flags)
5991 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5992 MGMT_STATUS_INVALID_PARAMS);
5996 if (timeout && !hdev_is_powered(hdev)) {
5997 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
5998 MGMT_STATUS_REJECTED);
6002 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
6003 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
6004 pending_find(MGMT_OP_SET_LE, hdev)) {
6005 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6010 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
6011 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
6012 cp->scan_rsp_len, false)) {
6013 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6014 MGMT_STATUS_INVALID_PARAMS);
6018 err = hci_add_adv_instance(hdev, cp->instance, flags,
6019 cp->adv_data_len, cp->data,
6021 cp->data + cp->adv_data_len,
6024 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6025 MGMT_STATUS_FAILED);
6029 /* Only trigger an advertising added event if a new instance was
6032 if (hdev->adv_instance_cnt > prev_instance_cnt)
6033 mgmt_advertising_added(sk, hdev, cp->instance);
6035 if (hdev->cur_adv_instance == cp->instance) {
6036 /* If the currently advertised instance is being changed then
6037 * cancel the current advertising and schedule the next
6038 * instance. If there is only one instance then the overridden
6039 * advertising data will be visible right away.
6041 cancel_adv_timeout(hdev);
6043 next_instance = hci_get_next_instance(hdev, cp->instance);
6045 schedule_instance = next_instance->instance;
6046 } else if (!hdev->adv_instance_timeout) {
6047 /* Immediately advertise the new instance if no other
6048 * instance is currently being advertised.
6050 schedule_instance = cp->instance;
6053 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
6054 * there is no instance to be advertised then we have no HCI
6055 * communication to make. Simply return.
6057 if (!hdev_is_powered(hdev) ||
6058 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
6059 !schedule_instance) {
6060 rp.instance = cp->instance;
6061 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6062 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6066 /* We're good to go, update advertising data, parameters, and start
6069 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
6076 hci_req_init(&req, hdev);
6078 err = __hci_req_schedule_adv_instance(&req, schedule_instance, true);
6081 err = hci_req_run(&req, add_advertising_complete);
6084 mgmt_pending_remove(cmd);
6087 hci_dev_unlock(hdev);
6092 static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
6095 struct mgmt_pending_cmd *cmd;
6096 struct mgmt_cp_remove_advertising *cp;
6097 struct mgmt_rp_remove_advertising rp;
6099 BT_DBG("status %d", status);
6103 /* A failure status here only means that we failed to disable
6104 * advertising. Otherwise, the advertising instance has been removed,
6105 * so report success.
6107 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
6112 rp.instance = cp->instance;
6114 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
6116 mgmt_pending_remove(cmd);
6119 hci_dev_unlock(hdev);
6122 static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
6123 void *data, u16 data_len)
6125 struct mgmt_cp_remove_advertising *cp = data;
6126 struct mgmt_rp_remove_advertising rp;
6127 struct mgmt_pending_cmd *cmd;
6128 struct hci_request req;
6131 BT_DBG("%s", hdev->name);
6135 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
6136 err = mgmt_cmd_status(sk, hdev->id,
6137 MGMT_OP_REMOVE_ADVERTISING,
6138 MGMT_STATUS_INVALID_PARAMS);
6142 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
6143 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
6144 pending_find(MGMT_OP_SET_LE, hdev)) {
6145 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
6150 if (list_empty(&hdev->adv_instances)) {
6151 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
6152 MGMT_STATUS_INVALID_PARAMS);
6156 hci_req_init(&req, hdev);
6158 hci_req_clear_adv_instance(hdev, &req, cp->instance, true);
6160 if (list_empty(&hdev->adv_instances))
6161 __hci_req_disable_advertising(&req);
6163 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
6164 * flag is set or the device isn't powered then we have no HCI
6165 * communication to make. Simply return.
6167 if (skb_queue_empty(&req.cmd_q) ||
6168 !hdev_is_powered(hdev) ||
6169 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
6170 rp.instance = cp->instance;
6171 err = mgmt_cmd_complete(sk, hdev->id,
6172 MGMT_OP_REMOVE_ADVERTISING,
6173 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6177 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
6184 err = hci_req_run(&req, remove_advertising_complete);
6186 mgmt_pending_remove(cmd);
6189 hci_dev_unlock(hdev);
6194 static u8 tlv_data_max_len(u32 adv_flags, bool is_adv_data)
6196 u8 max_len = HCI_MAX_AD_LENGTH;
6199 if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
6200 MGMT_ADV_FLAG_LIMITED_DISCOV |
6201 MGMT_ADV_FLAG_MANAGED_FLAGS))
6204 if (adv_flags & MGMT_ADV_FLAG_TX_POWER)
6211 static int get_adv_size_info(struct sock *sk, struct hci_dev *hdev,
6212 void *data, u16 data_len)
6214 struct mgmt_cp_get_adv_size_info *cp = data;
6215 struct mgmt_rp_get_adv_size_info rp;
6216 u32 flags, supported_flags;
6219 BT_DBG("%s", hdev->name);
6221 if (!lmp_le_capable(hdev))
6222 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6223 MGMT_STATUS_REJECTED);
6225 if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
6226 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6227 MGMT_STATUS_INVALID_PARAMS);
6229 flags = __le32_to_cpu(cp->flags);
6231 /* The current implementation only supports a subset of the specified
6234 supported_flags = get_supported_adv_flags(hdev);
6235 if (flags & ~supported_flags)
6236 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6237 MGMT_STATUS_INVALID_PARAMS);
6239 rp.instance = cp->instance;
6240 rp.flags = cp->flags;
6241 rp.max_adv_data_len = tlv_data_max_len(flags, true);
6242 rp.max_scan_rsp_len = tlv_data_max_len(flags, false);
6244 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6245 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6250 static const struct hci_mgmt_handler mgmt_handlers[] = {
6251 { NULL }, /* 0x0000 (no command) */
6252 { read_version, MGMT_READ_VERSION_SIZE,
6254 HCI_MGMT_UNTRUSTED },
6255 { read_commands, MGMT_READ_COMMANDS_SIZE,
6257 HCI_MGMT_UNTRUSTED },
6258 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
6260 HCI_MGMT_UNTRUSTED },
6261 { read_controller_info, MGMT_READ_INFO_SIZE,
6262 HCI_MGMT_UNTRUSTED },
6263 { set_powered, MGMT_SETTING_SIZE },
6264 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
6265 { set_connectable, MGMT_SETTING_SIZE },
6266 { set_fast_connectable, MGMT_SETTING_SIZE },
6267 { set_bondable, MGMT_SETTING_SIZE },
6268 { set_link_security, MGMT_SETTING_SIZE },
6269 { set_ssp, MGMT_SETTING_SIZE },
6270 { set_hs, MGMT_SETTING_SIZE },
6271 { set_le, MGMT_SETTING_SIZE },
6272 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
6273 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
6274 { add_uuid, MGMT_ADD_UUID_SIZE },
6275 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
6276 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
6278 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
6280 { disconnect, MGMT_DISCONNECT_SIZE },
6281 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
6282 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
6283 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
6284 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
6285 { pair_device, MGMT_PAIR_DEVICE_SIZE },
6286 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
6287 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
6288 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
6289 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
6290 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
6291 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
6292 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
6293 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
6295 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
6296 { start_discovery, MGMT_START_DISCOVERY_SIZE },
6297 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
6298 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
6299 { block_device, MGMT_BLOCK_DEVICE_SIZE },
6300 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
6301 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
6302 { set_advertising, MGMT_SETTING_SIZE },
6303 { set_bredr, MGMT_SETTING_SIZE },
6304 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
6305 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
6306 { set_secure_conn, MGMT_SETTING_SIZE },
6307 { set_debug_keys, MGMT_SETTING_SIZE },
6308 { set_privacy, MGMT_SET_PRIVACY_SIZE },
6309 { load_irks, MGMT_LOAD_IRKS_SIZE,
6311 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
6312 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
6313 { add_device, MGMT_ADD_DEVICE_SIZE },
6314 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
6315 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
6317 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
6319 HCI_MGMT_UNTRUSTED },
6320 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
6321 HCI_MGMT_UNCONFIGURED |
6322 HCI_MGMT_UNTRUSTED },
6323 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
6324 HCI_MGMT_UNCONFIGURED },
6325 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
6326 HCI_MGMT_UNCONFIGURED },
6327 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
6329 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
6330 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
6332 HCI_MGMT_UNTRUSTED },
6333 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
6334 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
6336 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
6337 { get_adv_size_info, MGMT_GET_ADV_SIZE_INFO_SIZE },
6338 { start_limited_discovery, MGMT_START_DISCOVERY_SIZE },
6341 void mgmt_index_added(struct hci_dev *hdev)
6343 struct mgmt_ev_ext_index ev;
6345 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
6348 switch (hdev->dev_type) {
6350 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
6351 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
6352 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
6355 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
6356 HCI_MGMT_INDEX_EVENTS);
6369 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
6370 HCI_MGMT_EXT_INDEX_EVENTS);
6373 void mgmt_index_removed(struct hci_dev *hdev)
6375 struct mgmt_ev_ext_index ev;
6376 u8 status = MGMT_STATUS_INVALID_INDEX;
6378 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
6381 switch (hdev->dev_type) {
6383 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
6385 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
6386 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
6387 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
6390 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
6391 HCI_MGMT_INDEX_EVENTS);
6404 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
6405 HCI_MGMT_EXT_INDEX_EVENTS);
6408 /* This function requires the caller holds hdev->lock */
6409 static void restart_le_actions(struct hci_dev *hdev)
6411 struct hci_conn_params *p;
6413 list_for_each_entry(p, &hdev->le_conn_params, list) {
6414 /* Needed for AUTO_OFF case where might not "really"
6415 * have been powered off.
6417 list_del_init(&p->action);
6419 switch (p->auto_connect) {
6420 case HCI_AUTO_CONN_DIRECT:
6421 case HCI_AUTO_CONN_ALWAYS:
6422 list_add(&p->action, &hdev->pend_le_conns);
6424 case HCI_AUTO_CONN_REPORT:
6425 list_add(&p->action, &hdev->pend_le_reports);
6433 void mgmt_power_on(struct hci_dev *hdev, int err)
6435 struct cmd_lookup match = { NULL, hdev };
6437 BT_DBG("err %d", err);
6442 restart_le_actions(hdev);
6443 hci_update_background_scan(hdev);
6446 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6448 new_settings(hdev, match.sk);
6453 hci_dev_unlock(hdev);
6456 void __mgmt_power_off(struct hci_dev *hdev)
6458 struct cmd_lookup match = { NULL, hdev };
6459 u8 status, zero_cod[] = { 0, 0, 0 };
6461 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6463 /* If the power off is because of hdev unregistration let
6464 * use the appropriate INVALID_INDEX status. Otherwise use
6465 * NOT_POWERED. We cover both scenarios here since later in
6466 * mgmt_index_removed() any hci_conn callbacks will have already
6467 * been triggered, potentially causing misleading DISCONNECTED
6470 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
6471 status = MGMT_STATUS_INVALID_INDEX;
6473 status = MGMT_STATUS_NOT_POWERED;
6475 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
6477 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
6478 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6479 zero_cod, sizeof(zero_cod), NULL);
6481 new_settings(hdev, match.sk);
6487 void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
6489 struct mgmt_pending_cmd *cmd;
6492 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
6496 if (err == -ERFKILL)
6497 status = MGMT_STATUS_RFKILLED;
6499 status = MGMT_STATUS_FAILED;
6501 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
6503 mgmt_pending_remove(cmd);
6506 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6509 struct mgmt_ev_new_link_key ev;
6511 memset(&ev, 0, sizeof(ev));
6513 ev.store_hint = persistent;
6514 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
6515 ev.key.addr.type = BDADDR_BREDR;
6516 ev.key.type = key->type;
6517 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
6518 ev.key.pin_len = key->pin_len;
6520 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
6523 static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6525 switch (ltk->type) {
6528 if (ltk->authenticated)
6529 return MGMT_LTK_AUTHENTICATED;
6530 return MGMT_LTK_UNAUTHENTICATED;
6532 if (ltk->authenticated)
6533 return MGMT_LTK_P256_AUTH;
6534 return MGMT_LTK_P256_UNAUTH;
6535 case SMP_LTK_P256_DEBUG:
6536 return MGMT_LTK_P256_DEBUG;
6539 return MGMT_LTK_UNAUTHENTICATED;
6542 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
6544 struct mgmt_ev_new_long_term_key ev;
6546 memset(&ev, 0, sizeof(ev));
6548 /* Devices using resolvable or non-resolvable random addresses
6549 * without providing an identity resolving key don't require
6550 * to store long term keys. Their addresses will change the
6553 * Only when a remote device provides an identity address
6554 * make sure the long term key is stored. If the remote
6555 * identity is known, the long term keys are internally
6556 * mapped to the identity address. So allow static random
6557 * and public addresses here.
6559 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6560 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6561 ev.store_hint = 0x00;
6563 ev.store_hint = persistent;
6565 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
6566 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
6567 ev.key.type = mgmt_ltk_type(key);
6568 ev.key.enc_size = key->enc_size;
6569 ev.key.ediv = key->ediv;
6570 ev.key.rand = key->rand;
6572 if (key->type == SMP_LTK)
6575 /* Make sure we copy only the significant bytes based on the
6576 * encryption key size, and set the rest of the value to zeroes.
6578 memcpy(ev.key.val, key->val, key->enc_size);
6579 memset(ev.key.val + key->enc_size, 0,
6580 sizeof(ev.key.val) - key->enc_size);
6582 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
6585 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
6587 struct mgmt_ev_new_irk ev;
6589 memset(&ev, 0, sizeof(ev));
6591 ev.store_hint = persistent;
6593 bacpy(&ev.rpa, &irk->rpa);
6594 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6595 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6596 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6598 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6601 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6604 struct mgmt_ev_new_csrk ev;
6606 memset(&ev, 0, sizeof(ev));
6608 /* Devices using resolvable or non-resolvable random addresses
6609 * without providing an identity resolving key don't require
6610 * to store signature resolving keys. Their addresses will change
6611 * the next time around.
6613 * Only when a remote device provides an identity address
6614 * make sure the signature resolving key is stored. So allow
6615 * static random and public addresses here.
6617 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6618 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6619 ev.store_hint = 0x00;
6621 ev.store_hint = persistent;
6623 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6624 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6625 ev.key.type = csrk->type;
6626 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6628 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6631 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
6632 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6633 u16 max_interval, u16 latency, u16 timeout)
6635 struct mgmt_ev_new_conn_param ev;
6637 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6640 memset(&ev, 0, sizeof(ev));
6641 bacpy(&ev.addr.bdaddr, bdaddr);
6642 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
6643 ev.store_hint = store_hint;
6644 ev.min_interval = cpu_to_le16(min_interval);
6645 ev.max_interval = cpu_to_le16(max_interval);
6646 ev.latency = cpu_to_le16(latency);
6647 ev.timeout = cpu_to_le16(timeout);
6649 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6652 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
6653 u32 flags, u8 *name, u8 name_len)
6656 struct mgmt_ev_device_connected *ev = (void *) buf;
6659 bacpy(&ev->addr.bdaddr, &conn->dst);
6660 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6662 ev->flags = __cpu_to_le32(flags);
6664 /* We must ensure that the EIR Data fields are ordered and
6665 * unique. Keep it simple for now and avoid the problem by not
6666 * adding any BR/EDR data to the LE adv.
6668 if (conn->le_adv_data_len > 0) {
6669 memcpy(&ev->eir[eir_len],
6670 conn->le_adv_data, conn->le_adv_data_len);
6671 eir_len = conn->le_adv_data_len;
6674 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
6677 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
6678 eir_len = eir_append_data(ev->eir, eir_len,
6680 conn->dev_class, 3);
6683 ev->eir_len = cpu_to_le16(eir_len);
6685 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6686 sizeof(*ev) + eir_len, NULL);
6689 static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
6691 struct sock **sk = data;
6693 cmd->cmd_complete(cmd, 0);
6698 mgmt_pending_remove(cmd);
6701 static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
6703 struct hci_dev *hdev = data;
6704 struct mgmt_cp_unpair_device *cp = cmd->param;
6706 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6708 cmd->cmd_complete(cmd, 0);
6709 mgmt_pending_remove(cmd);
6712 bool mgmt_powering_down(struct hci_dev *hdev)
6714 struct mgmt_pending_cmd *cmd;
6715 struct mgmt_mode *cp;
6717 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
6728 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
6729 u8 link_type, u8 addr_type, u8 reason,
6730 bool mgmt_connected)
6732 struct mgmt_ev_device_disconnected ev;
6733 struct sock *sk = NULL;
6735 /* The connection is still in hci_conn_hash so test for 1
6736 * instead of 0 to know if this is the last one.
6738 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6739 cancel_delayed_work(&hdev->power_off);
6740 queue_work(hdev->req_workqueue, &hdev->power_off.work);
6743 if (!mgmt_connected)
6746 if (link_type != ACL_LINK && link_type != LE_LINK)
6749 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
6751 bacpy(&ev.addr.bdaddr, bdaddr);
6752 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6755 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
6760 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6764 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6765 u8 link_type, u8 addr_type, u8 status)
6767 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6768 struct mgmt_cp_disconnect *cp;
6769 struct mgmt_pending_cmd *cmd;
6771 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6774 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
6780 if (bacmp(bdaddr, &cp->addr.bdaddr))
6783 if (cp->addr.type != bdaddr_type)
6786 cmd->cmd_complete(cmd, mgmt_status(status));
6787 mgmt_pending_remove(cmd);
6790 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6791 u8 addr_type, u8 status)
6793 struct mgmt_ev_connect_failed ev;
6795 /* The connection is still in hci_conn_hash so test for 1
6796 * instead of 0 to know if this is the last one.
6798 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6799 cancel_delayed_work(&hdev->power_off);
6800 queue_work(hdev->req_workqueue, &hdev->power_off.work);
6803 bacpy(&ev.addr.bdaddr, bdaddr);
6804 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6805 ev.status = mgmt_status(status);
6807 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
6810 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
6812 struct mgmt_ev_pin_code_request ev;
6814 bacpy(&ev.addr.bdaddr, bdaddr);
6815 ev.addr.type = BDADDR_BREDR;
6818 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
6821 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6824 struct mgmt_pending_cmd *cmd;
6826 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
6830 cmd->cmd_complete(cmd, mgmt_status(status));
6831 mgmt_pending_remove(cmd);
6834 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6837 struct mgmt_pending_cmd *cmd;
6839 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
6843 cmd->cmd_complete(cmd, mgmt_status(status));
6844 mgmt_pending_remove(cmd);
6847 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
6848 u8 link_type, u8 addr_type, u32 value,
6851 struct mgmt_ev_user_confirm_request ev;
6853 BT_DBG("%s", hdev->name);
6855 bacpy(&ev.addr.bdaddr, bdaddr);
6856 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6857 ev.confirm_hint = confirm_hint;
6858 ev.value = cpu_to_le32(value);
6860 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
6864 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
6865 u8 link_type, u8 addr_type)
6867 struct mgmt_ev_user_passkey_request ev;
6869 BT_DBG("%s", hdev->name);
6871 bacpy(&ev.addr.bdaddr, bdaddr);
6872 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6874 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
6878 static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6879 u8 link_type, u8 addr_type, u8 status,
6882 struct mgmt_pending_cmd *cmd;
6884 cmd = pending_find(opcode, hdev);
6888 cmd->cmd_complete(cmd, mgmt_status(status));
6889 mgmt_pending_remove(cmd);
6894 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6895 u8 link_type, u8 addr_type, u8 status)
6897 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
6898 status, MGMT_OP_USER_CONFIRM_REPLY);
6901 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6902 u8 link_type, u8 addr_type, u8 status)
6904 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
6906 MGMT_OP_USER_CONFIRM_NEG_REPLY);
6909 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6910 u8 link_type, u8 addr_type, u8 status)
6912 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
6913 status, MGMT_OP_USER_PASSKEY_REPLY);
6916 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6917 u8 link_type, u8 addr_type, u8 status)
6919 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
6921 MGMT_OP_USER_PASSKEY_NEG_REPLY);
6924 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6925 u8 link_type, u8 addr_type, u32 passkey,
6928 struct mgmt_ev_passkey_notify ev;
6930 BT_DBG("%s", hdev->name);
6932 bacpy(&ev.addr.bdaddr, bdaddr);
6933 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6934 ev.passkey = __cpu_to_le32(passkey);
6935 ev.entered = entered;
6937 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6940 void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
6942 struct mgmt_ev_auth_failed ev;
6943 struct mgmt_pending_cmd *cmd;
6944 u8 status = mgmt_status(hci_status);
6946 bacpy(&ev.addr.bdaddr, &conn->dst);
6947 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6950 cmd = find_pairing(conn);
6952 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
6953 cmd ? cmd->sk : NULL);
6956 cmd->cmd_complete(cmd, status);
6957 mgmt_pending_remove(cmd);
6961 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
6963 struct cmd_lookup match = { NULL, hdev };
6967 u8 mgmt_err = mgmt_status(status);
6968 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
6969 cmd_status_rsp, &mgmt_err);
6973 if (test_bit(HCI_AUTH, &hdev->flags))
6974 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
6976 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
6978 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
6982 new_settings(hdev, match.sk);
6988 static void clear_eir(struct hci_request *req)
6990 struct hci_dev *hdev = req->hdev;
6991 struct hci_cp_write_eir cp;
6993 if (!lmp_ext_inq_capable(hdev))
6996 memset(hdev->eir, 0, sizeof(hdev->eir));
6998 memset(&cp, 0, sizeof(cp));
7000 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
7003 void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
7005 struct cmd_lookup match = { NULL, hdev };
7006 struct hci_request req;
7007 bool changed = false;
7010 u8 mgmt_err = mgmt_status(status);
7012 if (enable && hci_dev_test_and_clear_flag(hdev,
7014 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
7015 new_settings(hdev, NULL);
7018 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
7024 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
7026 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
7028 changed = hci_dev_test_and_clear_flag(hdev,
7031 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
7034 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
7037 new_settings(hdev, match.sk);
7042 hci_req_init(&req, hdev);
7044 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
7045 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
7046 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
7047 sizeof(enable), &enable);
7048 __hci_req_update_eir(&req);
7053 hci_req_run(&req, NULL);
7056 static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
7058 struct cmd_lookup *match = data;
7060 if (match->sk == NULL) {
7061 match->sk = cmd->sk;
7062 sock_hold(match->sk);
7066 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
7069 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7071 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
7072 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
7073 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
7076 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7077 dev_class, 3, NULL);
7083 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
7085 struct mgmt_cp_set_local_name ev;
7086 struct mgmt_pending_cmd *cmd;
7091 memset(&ev, 0, sizeof(ev));
7092 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
7093 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
7095 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
7097 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
7099 /* If this is a HCI command related to powering on the
7100 * HCI dev don't send any mgmt signals.
7102 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7106 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
7107 cmd ? cmd->sk : NULL);
7110 static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
7114 for (i = 0; i < uuid_count; i++) {
7115 if (!memcmp(uuid, uuids[i], 16))
7122 static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
7126 while (parsed < eir_len) {
7127 u8 field_len = eir[0];
7134 if (eir_len - parsed < field_len + 1)
7138 case EIR_UUID16_ALL:
7139 case EIR_UUID16_SOME:
7140 for (i = 0; i + 3 <= field_len; i += 2) {
7141 memcpy(uuid, bluetooth_base_uuid, 16);
7142 uuid[13] = eir[i + 3];
7143 uuid[12] = eir[i + 2];
7144 if (has_uuid(uuid, uuid_count, uuids))
7148 case EIR_UUID32_ALL:
7149 case EIR_UUID32_SOME:
7150 for (i = 0; i + 5 <= field_len; i += 4) {
7151 memcpy(uuid, bluetooth_base_uuid, 16);
7152 uuid[15] = eir[i + 5];
7153 uuid[14] = eir[i + 4];
7154 uuid[13] = eir[i + 3];
7155 uuid[12] = eir[i + 2];
7156 if (has_uuid(uuid, uuid_count, uuids))
7160 case EIR_UUID128_ALL:
7161 case EIR_UUID128_SOME:
7162 for (i = 0; i + 17 <= field_len; i += 16) {
7163 memcpy(uuid, eir + i + 2, 16);
7164 if (has_uuid(uuid, uuid_count, uuids))
7170 parsed += field_len + 1;
7171 eir += field_len + 1;
7177 static void restart_le_scan(struct hci_dev *hdev)
7179 /* If controller is not scanning we are done. */
7180 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
7183 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
7184 hdev->discovery.scan_start +
7185 hdev->discovery.scan_duration))
7188 queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart,
7189 DISCOV_LE_RESTART_DELAY);
7192 static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
7193 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
7195 /* If a RSSI threshold has been specified, and
7196 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
7197 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
7198 * is set, let it through for further processing, as we might need to
7201 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
7202 * the results are also dropped.
7204 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
7205 (rssi == HCI_RSSI_INVALID ||
7206 (rssi < hdev->discovery.rssi &&
7207 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
7210 if (hdev->discovery.uuid_count != 0) {
7211 /* If a list of UUIDs is provided in filter, results with no
7212 * matching UUID should be dropped.
7214 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
7215 hdev->discovery.uuids) &&
7216 !eir_has_uuids(scan_rsp, scan_rsp_len,
7217 hdev->discovery.uuid_count,
7218 hdev->discovery.uuids))
7222 /* If duplicate filtering does not report RSSI changes, then restart
7223 * scanning to ensure updated result with updated RSSI values.
7225 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
7226 restart_le_scan(hdev);
7228 /* Validate RSSI value against the RSSI threshold once more. */
7229 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
7230 rssi < hdev->discovery.rssi)
7237 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7238 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
7239 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
7242 struct mgmt_ev_device_found *ev = (void *)buf;
7245 /* Don't send events for a non-kernel initiated discovery. With
7246 * LE one exception is if we have pend_le_reports > 0 in which
7247 * case we're doing passive scanning and want these events.
7249 if (!hci_discovery_active(hdev)) {
7250 if (link_type == ACL_LINK)
7252 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
7256 if (hdev->discovery.result_filtering) {
7257 /* We are using service discovery */
7258 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
7263 if (hdev->discovery.limited) {
7264 /* Check for limited discoverable bit */
7266 if (!(dev_class[1] & 0x20))
7269 u8 *flags = eir_get_data(eir, eir_len, EIR_FLAGS, NULL);
7270 if (!flags || !(flags[0] & LE_AD_LIMITED))
7275 /* Make sure that the buffer is big enough. The 5 extra bytes
7276 * are for the potential CoD field.
7278 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
7281 memset(buf, 0, sizeof(buf));
7283 /* In case of device discovery with BR/EDR devices (pre 1.2), the
7284 * RSSI value was reported as 0 when not available. This behavior
7285 * is kept when using device discovery. This is required for full
7286 * backwards compatibility with the API.
7288 * However when using service discovery, the value 127 will be
7289 * returned when the RSSI is not available.
7291 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
7292 link_type == ACL_LINK)
7295 bacpy(&ev->addr.bdaddr, bdaddr);
7296 ev->addr.type = link_to_bdaddr(link_type, addr_type);
7298 ev->flags = cpu_to_le32(flags);
7301 /* Copy EIR or advertising data into event */
7302 memcpy(ev->eir, eir, eir_len);
7304 if (dev_class && !eir_get_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
7306 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
7309 if (scan_rsp_len > 0)
7310 /* Append scan response data to event */
7311 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
7313 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
7314 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
7316 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
7319 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7320 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
7322 struct mgmt_ev_device_found *ev;
7323 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
7326 ev = (struct mgmt_ev_device_found *) buf;
7328 memset(buf, 0, sizeof(buf));
7330 bacpy(&ev->addr.bdaddr, bdaddr);
7331 ev->addr.type = link_to_bdaddr(link_type, addr_type);
7334 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
7337 ev->eir_len = cpu_to_le16(eir_len);
7339 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
7342 void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
7344 struct mgmt_ev_discovering ev;
7346 BT_DBG("%s discovering %u", hdev->name, discovering);
7348 memset(&ev, 0, sizeof(ev));
7349 ev.type = hdev->discovery.type;
7350 ev.discovering = discovering;
7352 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
7355 static struct hci_mgmt_chan chan = {
7356 .channel = HCI_CHANNEL_CONTROL,
7357 .handler_count = ARRAY_SIZE(mgmt_handlers),
7358 .handlers = mgmt_handlers,
7359 .hdev_init = mgmt_init_hdev,
7364 return hci_mgmt_chan_register(&chan);
7367 void mgmt_exit(void)
7369 hci_mgmt_chan_unregister(&chan);